/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */ /* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include "config.h" #include #include #include #undef GTK_DISABLE_DEPRECATED #include "gtknotebook.h" #include "gtkmain.h" #include "gtkmenu.h" #include "gtkmenuitem.h" #include "gtklabel.h" #include "gtkintl.h" #include "gtkmarshalers.h" #include "gtkbindings.h" #include "gtkprivate.h" #include "gtkdnd.h" #include "gtkbuildable.h" #include "gtkalias.h" #define SCROLL_DELAY_FACTOR 5 #define SCROLL_THRESHOLD 12 #define DND_THRESHOLD_MULTIPLIER 4 #define FRAMES_PER_SECOND 45 #define MSECS_BETWEEN_UPDATES (1000 / FRAMES_PER_SECOND) enum { SWITCH_PAGE, FOCUS_TAB, SELECT_PAGE, CHANGE_CURRENT_PAGE, MOVE_FOCUS_OUT, REORDER_TAB, PAGE_REORDERED, PAGE_REMOVED, PAGE_ADDED, CREATE_WINDOW, LAST_SIGNAL }; enum { STEP_PREV, STEP_NEXT }; typedef enum { ARROW_NONE, ARROW_LEFT_BEFORE, ARROW_RIGHT_BEFORE, ARROW_LEFT_AFTER, ARROW_RIGHT_AFTER } GtkNotebookArrow; typedef enum { POINTER_BEFORE, POINTER_AFTER, POINTER_BETWEEN } GtkNotebookPointerPosition; typedef enum { DRAG_OPERATION_NONE, DRAG_OPERATION_REORDER, DRAG_OPERATION_DETACH } GtkNotebookDragOperation; #define ARROW_IS_LEFT(arrow) ((arrow) == ARROW_LEFT_BEFORE || (arrow) == ARROW_LEFT_AFTER) #define ARROW_IS_BEFORE(arrow) ((arrow) == ARROW_LEFT_BEFORE || (arrow) == ARROW_RIGHT_BEFORE) enum { PROP_0, PROP_TAB_POS, PROP_SHOW_TABS, PROP_SHOW_BORDER, PROP_SCROLLABLE, PROP_TAB_BORDER, PROP_TAB_HBORDER, PROP_TAB_VBORDER, PROP_PAGE, PROP_ENABLE_POPUP, PROP_GROUP_ID, PROP_GROUP, PROP_GROUP_NAME, PROP_HOMOGENEOUS }; enum { CHILD_PROP_0, CHILD_PROP_TAB_LABEL, CHILD_PROP_MENU_LABEL, CHILD_PROP_POSITION, CHILD_PROP_TAB_EXPAND, CHILD_PROP_TAB_FILL, CHILD_PROP_TAB_PACK, CHILD_PROP_REORDERABLE, CHILD_PROP_DETACHABLE }; enum { ACTION_WIDGET_START, ACTION_WIDGET_END, N_ACTION_WIDGETS }; #define GTK_NOTEBOOK_PAGE(_glist_) ((GtkNotebookPage *)((GList *)(_glist_))->data) /* some useful defines for calculating coords */ #define PAGE_LEFT_X(_page_) (((GtkNotebookPage *) (_page_))->allocation.x) #define PAGE_RIGHT_X(_page_) (((GtkNotebookPage *) (_page_))->allocation.x + ((GtkNotebookPage *) (_page_))->allocation.width) #define PAGE_MIDDLE_X(_page_) (((GtkNotebookPage *) (_page_))->allocation.x + ((GtkNotebookPage *) (_page_))->allocation.width / 2) #define PAGE_TOP_Y(_page_) (((GtkNotebookPage *) (_page_))->allocation.y) #define PAGE_BOTTOM_Y(_page_) (((GtkNotebookPage *) (_page_))->allocation.y + ((GtkNotebookPage *) (_page_))->allocation.height) #define PAGE_MIDDLE_Y(_page_) (((GtkNotebookPage *) (_page_))->allocation.y + ((GtkNotebookPage *) (_page_))->allocation.height / 2) #define NOTEBOOK_IS_TAB_LABEL_PARENT(_notebook_,_page_) (((GtkNotebookPage *) (_page_))->tab_label->parent == ((GtkWidget *) (_notebook_))) struct _GtkNotebookPage { GtkWidget *child; GtkWidget *tab_label; GtkWidget *menu_label; GtkWidget *last_focus_child; /* Last descendant of the page that had focus */ guint default_menu : 1; /* If true, we create the menu label ourself */ guint default_tab : 1; /* If true, we create the tab label ourself */ guint expand : 1; guint fill : 1; guint pack : 1; guint reorderable : 1; guint detachable : 1; /* if true, the tab label was visible on last allocation; we track this so * that we know to redraw the tab area if a tab label was hidden then shown * without changing position */ guint tab_allocated_visible : 1; GtkRequisition requisition; GtkAllocation allocation; gulong mnemonic_activate_signal; gulong notify_visible_handler; }; #define GTK_NOTEBOOK_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_NOTEBOOK, GtkNotebookPrivate)) typedef struct _GtkNotebookPrivate GtkNotebookPrivate; struct _GtkNotebookPrivate { gpointer group; gint mouse_x; gint mouse_y; gint pressed_button; guint dnd_timer; guint switch_tab_timer; gint drag_begin_x; gint drag_begin_y; gint drag_offset_x; gint drag_offset_y; GtkWidget *dnd_window; GtkTargetList *source_targets; GtkNotebookDragOperation operation; GdkWindow *drag_window; gint drag_window_x; gint drag_window_y; GtkNotebookPage *detached_tab; guint32 timestamp; GtkWidget *action_widget[N_ACTION_WIDGETS]; guint during_reorder : 1; guint during_detach : 1; guint has_scrolled : 1; }; static const GtkTargetEntry notebook_targets [] = { { "GTK_NOTEBOOK_TAB", GTK_TARGET_SAME_APP, 0 }, }; #ifdef G_DISABLE_CHECKS #define CHECK_FIND_CHILD(notebook, child) \ gtk_notebook_find_child (notebook, child, G_STRLOC) #else #define CHECK_FIND_CHILD(notebook, child) \ gtk_notebook_find_child (notebook, child, NULL) #endif /*** GtkNotebook Methods ***/ static gboolean gtk_notebook_select_page (GtkNotebook *notebook, gboolean move_focus); static gboolean gtk_notebook_focus_tab (GtkNotebook *notebook, GtkNotebookTab type); static gboolean gtk_notebook_change_current_page (GtkNotebook *notebook, gint offset); static void gtk_notebook_move_focus_out (GtkNotebook *notebook, GtkDirectionType direction_type); static gboolean gtk_notebook_reorder_tab (GtkNotebook *notebook, GtkDirectionType direction_type, gboolean move_to_last); static void gtk_notebook_remove_tab_label (GtkNotebook *notebook, GtkNotebookPage *page); /*** GtkObject Methods ***/ static void gtk_notebook_destroy (GtkObject *object); static void gtk_notebook_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_notebook_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); /*** GtkWidget Methods ***/ static void gtk_notebook_map (GtkWidget *widget); static void gtk_notebook_unmap (GtkWidget *widget); static void gtk_notebook_realize (GtkWidget *widget); static void gtk_notebook_unrealize (GtkWidget *widget); static void gtk_notebook_size_request (GtkWidget *widget, GtkRequisition *requisition); static void gtk_notebook_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static gint gtk_notebook_expose (GtkWidget *widget, GdkEventExpose *event); static gboolean gtk_notebook_scroll (GtkWidget *widget, GdkEventScroll *event); static gint gtk_notebook_button_press (GtkWidget *widget, GdkEventButton *event); static gint gtk_notebook_button_release (GtkWidget *widget, GdkEventButton *event); static gboolean gtk_notebook_popup_menu (GtkWidget *widget); static gint gtk_notebook_leave_notify (GtkWidget *widget, GdkEventCrossing *event); static gint gtk_notebook_motion_notify (GtkWidget *widget, GdkEventMotion *event); static gint gtk_notebook_focus_in (GtkWidget *widget, GdkEventFocus *event); static gint gtk_notebook_focus_out (GtkWidget *widget, GdkEventFocus *event); static void gtk_notebook_grab_notify (GtkWidget *widget, gboolean was_grabbed); static void gtk_notebook_state_changed (GtkWidget *widget, GtkStateType previous_state); static void gtk_notebook_draw_focus (GtkWidget *widget, GdkEventExpose *event); static gint gtk_notebook_focus (GtkWidget *widget, GtkDirectionType direction); static void gtk_notebook_style_set (GtkWidget *widget, GtkStyle *previous); /*** Drag and drop Methods ***/ static void gtk_notebook_drag_begin (GtkWidget *widget, GdkDragContext *context); static void gtk_notebook_drag_end (GtkWidget *widget, GdkDragContext *context); static gboolean gtk_notebook_drag_failed (GtkWidget *widget, GdkDragContext *context, GtkDragResult result, gpointer data); static gboolean gtk_notebook_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static void gtk_notebook_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time); static gboolean gtk_notebook_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static void gtk_notebook_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *data, guint info, guint time); static void gtk_notebook_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *data, guint info, guint time); /*** GtkContainer Methods ***/ static void gtk_notebook_set_child_property (GtkContainer *container, GtkWidget *child, guint property_id, const GValue *value, GParamSpec *pspec); static void gtk_notebook_get_child_property (GtkContainer *container, GtkWidget *child, guint property_id, GValue *value, GParamSpec *pspec); static void gtk_notebook_add (GtkContainer *container, GtkWidget *widget); static void gtk_notebook_remove (GtkContainer *container, GtkWidget *widget); static void gtk_notebook_set_focus_child (GtkContainer *container, GtkWidget *child); static GType gtk_notebook_child_type (GtkContainer *container); static void gtk_notebook_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data); /*** GtkNotebook Methods ***/ static gint gtk_notebook_real_insert_page (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label, GtkWidget *menu_label, gint position); static GtkNotebook *gtk_notebook_create_window (GtkNotebook *notebook, GtkWidget *page, gint x, gint y); /*** GtkNotebook Private Functions ***/ static void gtk_notebook_redraw_tabs (GtkNotebook *notebook); static void gtk_notebook_redraw_arrows (GtkNotebook *notebook); static void gtk_notebook_real_remove (GtkNotebook *notebook, GList *list); static void gtk_notebook_update_labels (GtkNotebook *notebook); static gint gtk_notebook_timer (GtkNotebook *notebook); static void gtk_notebook_set_scroll_timer (GtkNotebook *notebook); static gint gtk_notebook_page_compare (gconstpointer a, gconstpointer b); static GList* gtk_notebook_find_child (GtkNotebook *notebook, GtkWidget *child, const gchar *function); static gint gtk_notebook_real_page_position (GtkNotebook *notebook, GList *list); static GList * gtk_notebook_search_page (GtkNotebook *notebook, GList *list, gint direction, gboolean find_visible); static void gtk_notebook_child_reordered (GtkNotebook *notebook, GtkNotebookPage *page); /*** GtkNotebook Drawing Functions ***/ static void gtk_notebook_paint (GtkWidget *widget, GdkRectangle *area); static void gtk_notebook_draw_tab (GtkNotebook *notebook, GtkNotebookPage *page, GdkRectangle *area); static void gtk_notebook_draw_arrow (GtkNotebook *notebook, GtkNotebookArrow arrow); /*** GtkNotebook Size Allocate Functions ***/ static void gtk_notebook_pages_allocate (GtkNotebook *notebook); static gboolean gtk_notebook_page_allocate (GtkNotebook *notebook, GtkNotebookPage *page); static void gtk_notebook_calc_tabs (GtkNotebook *notebook, GList *start, GList **end, gint *tab_space, guint direction); /*** GtkNotebook Page Switch Methods ***/ static void gtk_notebook_real_switch_page (GtkNotebook *notebook, GtkNotebookPage *child, guint page_num); /*** GtkNotebook Page Switch Functions ***/ static void gtk_notebook_switch_page (GtkNotebook *notebook, GtkNotebookPage *page); static gint gtk_notebook_page_select (GtkNotebook *notebook, gboolean move_focus); static void gtk_notebook_switch_focus_tab (GtkNotebook *notebook, GList *new_child); static void gtk_notebook_menu_switch_page (GtkWidget *widget, GtkNotebookPage *page); /*** GtkNotebook Menu Functions ***/ static void gtk_notebook_menu_item_create (GtkNotebook *notebook, GList *list); static void gtk_notebook_menu_label_unparent (GtkWidget *widget, gpointer data); static void gtk_notebook_menu_detacher (GtkWidget *widget, GtkMenu *menu); /*** GtkNotebook Private Setters ***/ static void gtk_notebook_set_homogeneous_tabs_internal (GtkNotebook *notebook, gboolean homogeneous); static void gtk_notebook_set_tab_border_internal (GtkNotebook *notebook, guint border_width); static void gtk_notebook_set_tab_hborder_internal (GtkNotebook *notebook, guint tab_hborder); static void gtk_notebook_set_tab_vborder_internal (GtkNotebook *notebook, guint tab_vborder); static void gtk_notebook_update_tab_states (GtkNotebook *notebook); static gboolean gtk_notebook_mnemonic_activate_switch_page (GtkWidget *child, gboolean overload, gpointer data); static gboolean focus_tabs_in (GtkNotebook *notebook); static gboolean focus_child_in (GtkNotebook *notebook, GtkDirectionType direction); static void stop_scrolling (GtkNotebook *notebook); static void do_detach_tab (GtkNotebook *from, GtkNotebook *to, GtkWidget *child, gint x, gint y); /* GtkBuildable */ static void gtk_notebook_buildable_init (GtkBuildableIface *iface); static void gtk_notebook_buildable_add_child (GtkBuildable *buildable, GtkBuilder *builder, GObject *child, const gchar *type); static GtkNotebookWindowCreationFunc window_creation_hook = NULL; static gpointer window_creation_hook_data; static GDestroyNotify window_creation_hook_destroy = NULL; static guint notebook_signals[LAST_SIGNAL] = { 0 }; G_DEFINE_TYPE_WITH_CODE (GtkNotebook, gtk_notebook, GTK_TYPE_CONTAINER, G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, gtk_notebook_buildable_init)) static void add_tab_bindings (GtkBindingSet *binding_set, GdkModifierType modifiers, GtkDirectionType direction) { gtk_binding_entry_add_signal (binding_set, GDK_Tab, modifiers, "move_focus_out", 1, GTK_TYPE_DIRECTION_TYPE, direction); gtk_binding_entry_add_signal (binding_set, GDK_KP_Tab, modifiers, "move_focus_out", 1, GTK_TYPE_DIRECTION_TYPE, direction); } static void add_arrow_bindings (GtkBindingSet *binding_set, guint keysym, GtkDirectionType direction) { guint keypad_keysym = keysym - GDK_Left + GDK_KP_Left; gtk_binding_entry_add_signal (binding_set, keysym, GDK_CONTROL_MASK, "move_focus_out", 1, GTK_TYPE_DIRECTION_TYPE, direction); gtk_binding_entry_add_signal (binding_set, keypad_keysym, GDK_CONTROL_MASK, "move_focus_out", 1, GTK_TYPE_DIRECTION_TYPE, direction); } static void add_reorder_bindings (GtkBindingSet *binding_set, guint keysym, GtkDirectionType direction, gboolean move_to_last) { guint keypad_keysym = keysym - GDK_Left + GDK_KP_Left; gtk_binding_entry_add_signal (binding_set, keysym, GDK_MOD1_MASK, "reorder_tab", 2, GTK_TYPE_DIRECTION_TYPE, direction, G_TYPE_BOOLEAN, move_to_last); gtk_binding_entry_add_signal (binding_set, keypad_keysym, GDK_MOD1_MASK, "reorder_tab", 2, GTK_TYPE_DIRECTION_TYPE, direction, G_TYPE_BOOLEAN, move_to_last); } static gboolean gtk_object_handled_accumulator (GSignalInvocationHint *ihint, GValue *return_accu, const GValue *handler_return, gpointer dummy) { gboolean continue_emission; GObject *object; object = g_value_get_object (handler_return); g_value_set_object (return_accu, object); continue_emission = !object; return continue_emission; } static void gtk_notebook_class_init (GtkNotebookClass *class) { GObjectClass *gobject_class = G_OBJECT_CLASS (class); GtkObjectClass *object_class = GTK_OBJECT_CLASS (class); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); GtkContainerClass *container_class = GTK_CONTAINER_CLASS (class); GtkBindingSet *binding_set; gobject_class->set_property = gtk_notebook_set_property; gobject_class->get_property = gtk_notebook_get_property; object_class->destroy = gtk_notebook_destroy; widget_class->map = gtk_notebook_map; widget_class->unmap = gtk_notebook_unmap; widget_class->realize = gtk_notebook_realize; widget_class->unrealize = gtk_notebook_unrealize; widget_class->size_request = gtk_notebook_size_request; widget_class->size_allocate = gtk_notebook_size_allocate; widget_class->expose_event = gtk_notebook_expose; widget_class->scroll_event = gtk_notebook_scroll; widget_class->button_press_event = gtk_notebook_button_press; widget_class->button_release_event = gtk_notebook_button_release; widget_class->popup_menu = gtk_notebook_popup_menu; widget_class->leave_notify_event = gtk_notebook_leave_notify; widget_class->motion_notify_event = gtk_notebook_motion_notify; widget_class->grab_notify = gtk_notebook_grab_notify; widget_class->state_changed = gtk_notebook_state_changed; widget_class->focus_in_event = gtk_notebook_focus_in; widget_class->focus_out_event = gtk_notebook_focus_out; widget_class->focus = gtk_notebook_focus; widget_class->style_set = gtk_notebook_style_set; widget_class->drag_begin = gtk_notebook_drag_begin; widget_class->drag_end = gtk_notebook_drag_end; widget_class->drag_motion = gtk_notebook_drag_motion; widget_class->drag_leave = gtk_notebook_drag_leave; widget_class->drag_drop = gtk_notebook_drag_drop; widget_class->drag_data_get = gtk_notebook_drag_data_get; widget_class->drag_data_received = gtk_notebook_drag_data_received; container_class->add = gtk_notebook_add; container_class->remove = gtk_notebook_remove; container_class->forall = gtk_notebook_forall; container_class->set_focus_child = gtk_notebook_set_focus_child; container_class->get_child_property = gtk_notebook_get_child_property; container_class->set_child_property = gtk_notebook_set_child_property; container_class->child_type = gtk_notebook_child_type; class->switch_page = gtk_notebook_real_switch_page; class->insert_page = gtk_notebook_real_insert_page; class->focus_tab = gtk_notebook_focus_tab; class->select_page = gtk_notebook_select_page; class->change_current_page = gtk_notebook_change_current_page; class->move_focus_out = gtk_notebook_move_focus_out; class->reorder_tab = gtk_notebook_reorder_tab; class->create_window = gtk_notebook_create_window; g_object_class_install_property (gobject_class, PROP_PAGE, g_param_spec_int ("page", P_("Page"), P_("The index of the current page"), -1, G_MAXINT, -1, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_TAB_POS, g_param_spec_enum ("tab-pos", P_("Tab Position"), P_("Which side of the notebook holds the tabs"), GTK_TYPE_POSITION_TYPE, GTK_POS_TOP, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_TAB_BORDER, g_param_spec_uint ("tab-border", P_("Tab Border"), P_("Width of the border around the tab labels"), 0, G_MAXUINT, 2, GTK_PARAM_WRITABLE)); g_object_class_install_property (gobject_class, PROP_TAB_HBORDER, g_param_spec_uint ("tab-hborder", P_("Horizontal Tab Border"), P_("Width of the horizontal border of tab labels"), 0, G_MAXUINT, 2, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_TAB_VBORDER, g_param_spec_uint ("tab-vborder", P_("Vertical Tab Border"), P_("Width of the vertical border of tab labels"), 0, G_MAXUINT, 2, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_SHOW_TABS, g_param_spec_boolean ("show-tabs", P_("Show Tabs"), P_("Whether tabs should be shown or not"), TRUE, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_SHOW_BORDER, g_param_spec_boolean ("show-border", P_("Show Border"), P_("Whether the border should be shown or not"), TRUE, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_SCROLLABLE, g_param_spec_boolean ("scrollable", P_("Scrollable"), P_("If TRUE, scroll arrows are added if there are too many tabs to fit"), FALSE, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_ENABLE_POPUP, g_param_spec_boolean ("enable-popup", P_("Enable Popup"), P_("If TRUE, pressing the right mouse button on the notebook pops up a menu that you can use to go to a page"), FALSE, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_HOMOGENEOUS, g_param_spec_boolean ("homogeneous", P_("Homogeneous"), P_("Whether tabs should have homogeneous sizes"), FALSE, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_GROUP_ID, g_param_spec_int ("group-id", P_("Group ID"), P_("Group ID for tabs drag and drop"), -1, G_MAXINT, -1, GTK_PARAM_READWRITE|G_PARAM_DEPRECATED)); /** * GtkNotebook:group: * * Group for tabs drag and drop. * * Since: 2.12 * * Deprecated: 2.24: Use #GtkNotebook:group-name instead */ g_object_class_install_property (gobject_class, PROP_GROUP, g_param_spec_pointer ("group", P_("Group"), P_("Group for tabs drag and drop"), GTK_PARAM_READWRITE|G_PARAM_DEPRECATED)); /** * GtkNotebook:group-name: * * Group name for tabs drag and drop. * * Since: 2.24 */ g_object_class_install_property (gobject_class, PROP_GROUP_NAME, g_param_spec_string ("group-name", P_("Group Name"), P_("Group name for tabs drag and drop"), NULL, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_TAB_LABEL, g_param_spec_string ("tab-label", P_("Tab label"), P_("The string displayed on the child's tab label"), NULL, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_MENU_LABEL, g_param_spec_string ("menu-label", P_("Menu label"), P_("The string displayed in the child's menu entry"), NULL, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_POSITION, g_param_spec_int ("position", P_("Position"), P_("The index of the child in the parent"), -1, G_MAXINT, 0, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_TAB_EXPAND, g_param_spec_boolean ("tab-expand", P_("Tab expand"), P_("Whether to expand the child's tab or not"), FALSE, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_TAB_FILL, g_param_spec_boolean ("tab-fill", P_("Tab fill"), P_("Whether the child's tab should fill the allocated area or not"), TRUE, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_TAB_PACK, g_param_spec_enum ("tab-pack", P_("Tab pack type"), P_("A GtkPackType indicating whether the child is packed with reference to the start or end of the parent"), GTK_TYPE_PACK_TYPE, GTK_PACK_START, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_REORDERABLE, g_param_spec_boolean ("reorderable", P_("Tab reorderable"), P_("Whether the tab is reorderable by user action or not"), FALSE, GTK_PARAM_READWRITE)); gtk_container_class_install_child_property (container_class, CHILD_PROP_DETACHABLE, g_param_spec_boolean ("detachable", P_("Tab detachable"), P_("Whether the tab is detachable"), FALSE, GTK_PARAM_READWRITE)); /** * GtkNotebook:has-secondary-backward-stepper: * * The "has-secondary-backward-stepper" property determines whether * a second backward arrow button is displayed on the opposite end * of the tab area. * * Since: 2.4 */ gtk_widget_class_install_style_property (widget_class, g_param_spec_boolean ("has-secondary-backward-stepper", P_("Secondary backward stepper"), P_("Display a second backward arrow button on the opposite end of the tab area"), FALSE, GTK_PARAM_READABLE)); /** * GtkNotebook:has-secondary-forward-stepper: * * The "has-secondary-forward-stepper" property determines whether * a second forward arrow button is displayed on the opposite end * of the tab area. * * Since: 2.4 */ gtk_widget_class_install_style_property (widget_class, g_param_spec_boolean ("has-secondary-forward-stepper", P_("Secondary forward stepper"), P_("Display a second forward arrow button on the opposite end of the tab area"), FALSE, GTK_PARAM_READABLE)); /** * GtkNotebook:has-backward-stepper: * * The "has-backward-stepper" property determines whether * the standard backward arrow button is displayed. * * Since: 2.4 */ gtk_widget_class_install_style_property (widget_class, g_param_spec_boolean ("has-backward-stepper", P_("Backward stepper"), P_("Display the standard backward arrow button"), TRUE, GTK_PARAM_READABLE)); /** * GtkNotebook:has-forward-stepper: * * The "has-forward-stepper" property determines whether * the standard forward arrow button is displayed. * * Since: 2.4 */ gtk_widget_class_install_style_property (widget_class, g_param_spec_boolean ("has-forward-stepper", P_("Forward stepper"), P_("Display the standard forward arrow button"), TRUE, GTK_PARAM_READABLE)); /** * GtkNotebook:tab-overlap: * * The "tab-overlap" property defines size of tab overlap * area. * * Since: 2.10 */ gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("tab-overlap", P_("Tab overlap"), P_("Size of tab overlap area"), G_MININT, G_MAXINT, 2, GTK_PARAM_READABLE)); /** * GtkNotebook:tab-curvature: * * The "tab-curvature" property defines size of tab curvature. * * Since: 2.10 */ gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("tab-curvature", P_("Tab curvature"), P_("Size of tab curvature"), 0, G_MAXINT, 1, GTK_PARAM_READABLE)); /** * GtkNotebook:arrow-spacing: * * The "arrow-spacing" property defines the spacing between the scroll * arrows and the tabs. * * Since: 2.10 */ gtk_widget_class_install_style_property (widget_class, g_param_spec_int ("arrow-spacing", P_("Arrow spacing"), P_("Scroll arrow spacing"), 0, G_MAXINT, 0, GTK_PARAM_READABLE)); notebook_signals[SWITCH_PAGE] = g_signal_new (I_("switch-page"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkNotebookClass, switch_page), NULL, NULL, _gtk_marshal_VOID__POINTER_UINT, G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_UINT); notebook_signals[FOCUS_TAB] = g_signal_new (I_("focus-tab"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkNotebookClass, focus_tab), NULL, NULL, _gtk_marshal_BOOLEAN__ENUM, G_TYPE_BOOLEAN, 1, GTK_TYPE_NOTEBOOK_TAB); notebook_signals[SELECT_PAGE] = g_signal_new (I_("select-page"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkNotebookClass, select_page), NULL, NULL, _gtk_marshal_BOOLEAN__BOOLEAN, G_TYPE_BOOLEAN, 1, G_TYPE_BOOLEAN); notebook_signals[CHANGE_CURRENT_PAGE] = g_signal_new (I_("change-current-page"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkNotebookClass, change_current_page), NULL, NULL, _gtk_marshal_BOOLEAN__INT, G_TYPE_BOOLEAN, 1, G_TYPE_INT); notebook_signals[MOVE_FOCUS_OUT] = g_signal_new (I_("move-focus-out"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkNotebookClass, move_focus_out), NULL, NULL, _gtk_marshal_VOID__ENUM, G_TYPE_NONE, 1, GTK_TYPE_DIRECTION_TYPE); notebook_signals[REORDER_TAB] = g_signal_new (I_("reorder-tab"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkNotebookClass, reorder_tab), NULL, NULL, _gtk_marshal_BOOLEAN__ENUM_BOOLEAN, G_TYPE_BOOLEAN, 2, GTK_TYPE_DIRECTION_TYPE, G_TYPE_BOOLEAN); /** * GtkNotebook::page-reordered: * @notebook: the #GtkNotebook * @child: the child #GtkWidget affected * @page_num: the new page number for @child * * the ::page-reordered signal is emitted in the notebook * right after a page has been reordered. * * Since: 2.10 **/ notebook_signals[PAGE_REORDERED] = g_signal_new (I_("page-reordered"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL, _gtk_marshal_VOID__OBJECT_UINT, G_TYPE_NONE, 2, GTK_TYPE_WIDGET, G_TYPE_UINT); /** * GtkNotebook::page-removed: * @notebook: the #GtkNotebook * @child: the child #GtkWidget affected * @page_num: the @child page number * * the ::page-removed signal is emitted in the notebook * right after a page is removed from the notebook. * * Since: 2.10 **/ notebook_signals[PAGE_REMOVED] = g_signal_new (I_("page-removed"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL, _gtk_marshal_VOID__OBJECT_UINT, G_TYPE_NONE, 2, GTK_TYPE_WIDGET, G_TYPE_UINT); /** * GtkNotebook::page-added: * @notebook: the #GtkNotebook * @child: the child #GtkWidget affected * @page_num: the new page number for @child * * the ::page-added signal is emitted in the notebook * right after a page is added to the notebook. * * Since: 2.10 **/ notebook_signals[PAGE_ADDED] = g_signal_new (I_("page-added"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, 0, NULL, NULL, _gtk_marshal_VOID__OBJECT_UINT, G_TYPE_NONE, 2, GTK_TYPE_WIDGET, G_TYPE_UINT); /** * GtkNotebook::create-window: * @notebook: the #GtkNotebook emitting the signal * @page: the tab of @notebook that is being detached * @x: the X coordinate where the drop happens * @y: the Y coordinate where the drop happens * * The ::create-window signal is emitted when a detachable * tab is dropped on the root window. * * A handler for this signal can create a window containing * a notebook where the tab will be attached. It is also * responsible for moving/resizing the window and adding the * necessary properties to the notebook (e.g. the * #GtkNotebook:group ). * * The default handler uses the global window creation hook, * if one has been set with gtk_notebook_set_window_creation_hook(). * * Returns: (transfer none): a #GtkNotebook that @page should be * added to, or %NULL. * * Since: 2.12 */ notebook_signals[CREATE_WINDOW] = g_signal_new (I_("create-window"), G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GtkNotebookClass, create_window), gtk_object_handled_accumulator, NULL, _gtk_marshal_OBJECT__OBJECT_INT_INT, GTK_TYPE_NOTEBOOK, 3, GTK_TYPE_WIDGET, G_TYPE_INT, G_TYPE_INT); binding_set = gtk_binding_set_by_class (class); gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "select-page", 1, G_TYPE_BOOLEAN, FALSE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Space, 0, "select-page", 1, G_TYPE_BOOLEAN, FALSE); gtk_binding_entry_add_signal (binding_set, GDK_Home, 0, "focus-tab", 1, GTK_TYPE_NOTEBOOK_TAB, GTK_NOTEBOOK_TAB_FIRST); gtk_binding_entry_add_signal (binding_set, GDK_KP_Home, 0, "focus-tab", 1, GTK_TYPE_NOTEBOOK_TAB, GTK_NOTEBOOK_TAB_FIRST); gtk_binding_entry_add_signal (binding_set, GDK_End, 0, "focus-tab", 1, GTK_TYPE_NOTEBOOK_TAB, GTK_NOTEBOOK_TAB_LAST); gtk_binding_entry_add_signal (binding_set, GDK_KP_End, 0, "focus-tab", 1, GTK_TYPE_NOTEBOOK_TAB, GTK_NOTEBOOK_TAB_LAST); gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_CONTROL_MASK, "change-current-page", 1, G_TYPE_INT, -1); gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_CONTROL_MASK, "change-current-page", 1, G_TYPE_INT, 1); gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_CONTROL_MASK | GDK_MOD1_MASK, "change-current-page", 1, G_TYPE_INT, -1); gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_CONTROL_MASK | GDK_MOD1_MASK, "change-current-page", 1, G_TYPE_INT, 1); add_arrow_bindings (binding_set, GDK_Up, GTK_DIR_UP); add_arrow_bindings (binding_set, GDK_Down, GTK_DIR_DOWN); add_arrow_bindings (binding_set, GDK_Left, GTK_DIR_LEFT); add_arrow_bindings (binding_set, GDK_Right, GTK_DIR_RIGHT); add_reorder_bindings (binding_set, GDK_Up, GTK_DIR_UP, FALSE); add_reorder_bindings (binding_set, GDK_Down, GTK_DIR_DOWN, FALSE); add_reorder_bindings (binding_set, GDK_Left, GTK_DIR_LEFT, FALSE); add_reorder_bindings (binding_set, GDK_Right, GTK_DIR_RIGHT, FALSE); add_reorder_bindings (binding_set, GDK_Home, GTK_DIR_LEFT, TRUE); add_reorder_bindings (binding_set, GDK_Home, GTK_DIR_UP, TRUE); add_reorder_bindings (binding_set, GDK_End, GTK_DIR_RIGHT, TRUE); add_reorder_bindings (binding_set, GDK_End, GTK_DIR_DOWN, TRUE); add_tab_bindings (binding_set, GDK_CONTROL_MASK, GTK_DIR_TAB_FORWARD); add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD); g_type_class_add_private (class, sizeof (GtkNotebookPrivate)); } static void gtk_notebook_init (GtkNotebook *notebook) { GtkNotebookPrivate *priv; gtk_widget_set_can_focus (GTK_WIDGET (notebook), TRUE); gtk_widget_set_has_window (GTK_WIDGET (notebook), FALSE); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); notebook->cur_page = NULL; notebook->children = NULL; notebook->first_tab = NULL; notebook->focus_tab = NULL; notebook->event_window = NULL; notebook->menu = NULL; notebook->tab_hborder = 2; notebook->tab_vborder = 2; notebook->show_tabs = TRUE; notebook->show_border = TRUE; notebook->tab_pos = GTK_POS_TOP; notebook->scrollable = FALSE; notebook->in_child = 0; notebook->click_child = 0; notebook->button = 0; notebook->need_timer = 0; notebook->child_has_focus = FALSE; notebook->have_visible_child = FALSE; notebook->focus_out = FALSE; notebook->has_before_previous = 1; notebook->has_before_next = 0; notebook->has_after_previous = 0; notebook->has_after_next = 1; priv->group = NULL; priv->pressed_button = -1; priv->dnd_timer = 0; priv->switch_tab_timer = 0; priv->source_targets = gtk_target_list_new (notebook_targets, G_N_ELEMENTS (notebook_targets)); priv->operation = DRAG_OPERATION_NONE; priv->detached_tab = NULL; priv->during_detach = FALSE; priv->has_scrolled = FALSE; gtk_drag_dest_set (GTK_WIDGET (notebook), 0, notebook_targets, G_N_ELEMENTS (notebook_targets), GDK_ACTION_MOVE); g_signal_connect (G_OBJECT (notebook), "drag-failed", G_CALLBACK (gtk_notebook_drag_failed), NULL); gtk_drag_dest_set_track_motion (GTK_WIDGET (notebook), TRUE); } static void gtk_notebook_buildable_init (GtkBuildableIface *iface) { iface->add_child = gtk_notebook_buildable_add_child; } static void gtk_notebook_buildable_add_child (GtkBuildable *buildable, GtkBuilder *builder, GObject *child, const gchar *type) { GtkNotebook *notebook = GTK_NOTEBOOK (buildable); if (type && strcmp (type, "tab") == 0) { GtkWidget * page; page = gtk_notebook_get_nth_page (notebook, -1); /* To set the tab label widget, we must have already a child * inside the tab container. */ g_assert (page != NULL); gtk_notebook_set_tab_label (notebook, page, GTK_WIDGET (child)); } else if (type && strcmp (type, "action-start") == 0) { gtk_notebook_set_action_widget (notebook, GTK_WIDGET (child), GTK_PACK_START); } else if (type && strcmp (type, "action-end") == 0) { gtk_notebook_set_action_widget (notebook, GTK_WIDGET (child), GTK_PACK_END); } else if (!type) gtk_notebook_append_page (notebook, GTK_WIDGET (child), NULL); else GTK_BUILDER_WARN_INVALID_CHILD_TYPE (notebook, type); } static gboolean gtk_notebook_select_page (GtkNotebook *notebook, gboolean move_focus) { if (gtk_widget_is_focus (GTK_WIDGET (notebook)) && notebook->show_tabs) { gtk_notebook_page_select (notebook, move_focus); return TRUE; } else return FALSE; } static gboolean gtk_notebook_focus_tab (GtkNotebook *notebook, GtkNotebookTab type) { GList *list; if (gtk_widget_is_focus (GTK_WIDGET (notebook)) && notebook->show_tabs) { switch (type) { case GTK_NOTEBOOK_TAB_FIRST: list = gtk_notebook_search_page (notebook, NULL, STEP_NEXT, TRUE); if (list) gtk_notebook_switch_focus_tab (notebook, list); break; case GTK_NOTEBOOK_TAB_LAST: list = gtk_notebook_search_page (notebook, NULL, STEP_PREV, TRUE); if (list) gtk_notebook_switch_focus_tab (notebook, list); break; } return TRUE; } else return FALSE; } static gboolean gtk_notebook_change_current_page (GtkNotebook *notebook, gint offset) { GList *current = NULL; if (!notebook->show_tabs) return FALSE; if (notebook->cur_page) current = g_list_find (notebook->children, notebook->cur_page); while (offset != 0) { current = gtk_notebook_search_page (notebook, current, offset < 0 ? STEP_PREV : STEP_NEXT, TRUE); if (!current) { gboolean wrap_around; g_object_get (gtk_widget_get_settings (GTK_WIDGET (notebook)), "gtk-keynav-wrap-around", &wrap_around, NULL); if (wrap_around) current = gtk_notebook_search_page (notebook, NULL, offset < 0 ? STEP_PREV : STEP_NEXT, TRUE); else break; } offset += offset < 0 ? 1 : -1; } if (current) gtk_notebook_switch_page (notebook, current->data); else gtk_widget_error_bell (GTK_WIDGET (notebook)); return TRUE; } static GtkDirectionType get_effective_direction (GtkNotebook *notebook, GtkDirectionType direction) { /* Remap the directions into the effective direction it would be for a * GTK_POS_TOP notebook */ #define D(rest) GTK_DIR_##rest static const GtkDirectionType translate_direction[2][4][6] = { /* LEFT */ {{ D(TAB_FORWARD), D(TAB_BACKWARD), D(LEFT), D(RIGHT), D(UP), D(DOWN) }, /* RIGHT */ { D(TAB_BACKWARD), D(TAB_FORWARD), D(LEFT), D(RIGHT), D(DOWN), D(UP) }, /* TOP */ { D(TAB_FORWARD), D(TAB_BACKWARD), D(UP), D(DOWN), D(LEFT), D(RIGHT) }, /* BOTTOM */ { D(TAB_BACKWARD), D(TAB_FORWARD), D(DOWN), D(UP), D(LEFT), D(RIGHT) }}, /* LEFT */ {{ D(TAB_BACKWARD), D(TAB_FORWARD), D(LEFT), D(RIGHT), D(DOWN), D(UP) }, /* RIGHT */ { D(TAB_FORWARD), D(TAB_BACKWARD), D(LEFT), D(RIGHT), D(UP), D(DOWN) }, /* TOP */ { D(TAB_FORWARD), D(TAB_BACKWARD), D(UP), D(DOWN), D(RIGHT), D(LEFT) }, /* BOTTOM */ { D(TAB_BACKWARD), D(TAB_FORWARD), D(DOWN), D(UP), D(RIGHT), D(LEFT) }}, }; #undef D int text_dir = gtk_widget_get_direction (GTK_WIDGET (notebook)) == GTK_TEXT_DIR_RTL ? 1 : 0; return translate_direction[text_dir][notebook->tab_pos][direction]; } static gint get_effective_tab_pos (GtkNotebook *notebook) { if (gtk_widget_get_direction (GTK_WIDGET (notebook)) == GTK_TEXT_DIR_RTL) { switch (notebook->tab_pos) { case GTK_POS_LEFT: return GTK_POS_RIGHT; case GTK_POS_RIGHT: return GTK_POS_LEFT; default: ; } } return notebook->tab_pos; } static gint get_tab_gap_pos (GtkNotebook *notebook) { gint tab_pos = get_effective_tab_pos (notebook); gint gap_side = GTK_POS_BOTTOM; switch (tab_pos) { case GTK_POS_TOP: gap_side = GTK_POS_BOTTOM; break; case GTK_POS_BOTTOM: gap_side = GTK_POS_TOP; break; case GTK_POS_LEFT: gap_side = GTK_POS_RIGHT; break; case GTK_POS_RIGHT: gap_side = GTK_POS_LEFT; break; } return gap_side; } static void gtk_notebook_move_focus_out (GtkNotebook *notebook, GtkDirectionType direction_type) { GtkDirectionType effective_direction = get_effective_direction (notebook, direction_type); GtkWidget *toplevel; if (GTK_CONTAINER (notebook)->focus_child && effective_direction == GTK_DIR_UP) if (focus_tabs_in (notebook)) return; if (gtk_widget_is_focus (GTK_WIDGET (notebook)) && effective_direction == GTK_DIR_DOWN) if (focus_child_in (notebook, GTK_DIR_TAB_FORWARD)) return; /* At this point, we know we should be focusing out of the notebook entirely. We * do this by setting a flag, then propagating the focus motion to the notebook. */ toplevel = gtk_widget_get_toplevel (GTK_WIDGET (notebook)); if (!gtk_widget_is_toplevel (toplevel)) return; g_object_ref (notebook); notebook->focus_out = TRUE; g_signal_emit_by_name (toplevel, "move-focus", direction_type); notebook->focus_out = FALSE; g_object_unref (notebook); } static gint reorder_tab (GtkNotebook *notebook, GList *position, GList *tab) { GList *elem; if (position == tab) return g_list_position (notebook->children, tab); /* check that we aren't inserting the tab in the * same relative position, taking packing into account */ elem = (position) ? position->prev : g_list_last (notebook->children); while (elem && elem != tab && GTK_NOTEBOOK_PAGE (elem)->pack != GTK_NOTEBOOK_PAGE (tab)->pack) elem = elem->prev; if (elem == tab) return g_list_position (notebook->children, tab); /* now actually reorder the tab */ if (notebook->first_tab == tab) notebook->first_tab = gtk_notebook_search_page (notebook, notebook->first_tab, STEP_NEXT, TRUE); notebook->children = g_list_remove_link (notebook->children, tab); if (!position) elem = g_list_last (notebook->children); else { elem = position->prev; position->prev = tab; } if (elem) elem->next = tab; else notebook->children = tab; tab->prev = elem; tab->next = position; return g_list_position (notebook->children, tab); } static gboolean gtk_notebook_reorder_tab (GtkNotebook *notebook, GtkDirectionType direction_type, gboolean move_to_last) { GtkDirectionType effective_direction = get_effective_direction (notebook, direction_type); GtkNotebookPage *page; GList *last, *child; gint page_num; if (!gtk_widget_is_focus (GTK_WIDGET (notebook)) || !notebook->show_tabs) return FALSE; if (!notebook->cur_page || !notebook->cur_page->reorderable) return FALSE; if (effective_direction != GTK_DIR_LEFT && effective_direction != GTK_DIR_RIGHT) return FALSE; if (move_to_last) { child = notebook->focus_tab; do { last = child; child = gtk_notebook_search_page (notebook, last, (effective_direction == GTK_DIR_RIGHT) ? STEP_NEXT : STEP_PREV, TRUE); } while (child && GTK_NOTEBOOK_PAGE (last)->pack == GTK_NOTEBOOK_PAGE (child)->pack); child = last; } else child = gtk_notebook_search_page (notebook, notebook->focus_tab, (effective_direction == GTK_DIR_RIGHT) ? STEP_NEXT : STEP_PREV, TRUE); if (!child || child->data == notebook->cur_page) return FALSE; page = child->data; if (page->pack == notebook->cur_page->pack) { if (effective_direction == GTK_DIR_RIGHT) page_num = reorder_tab (notebook, (page->pack == GTK_PACK_START) ? child->next : child, notebook->focus_tab); else page_num = reorder_tab (notebook, (page->pack == GTK_PACK_START) ? child : child->next, notebook->focus_tab); gtk_notebook_pages_allocate (notebook); g_signal_emit (notebook, notebook_signals[PAGE_REORDERED], 0, ((GtkNotebookPage *) notebook->focus_tab->data)->child, page_num); return TRUE; } return FALSE; } /** * gtk_notebook_new: * * Creates a new #GtkNotebook widget with no pages. * Return value: the newly created #GtkNotebook **/ GtkWidget* gtk_notebook_new (void) { return g_object_new (GTK_TYPE_NOTEBOOK, NULL); } /* Private GtkObject Methods : * * gtk_notebook_destroy * gtk_notebook_set_arg * gtk_notebook_get_arg */ static void gtk_notebook_destroy (GtkObject *object) { GtkNotebook *notebook = GTK_NOTEBOOK (object); GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); if (priv->action_widget[GTK_PACK_START]) { gtk_widget_unparent (priv->action_widget[GTK_PACK_START]); priv->action_widget[GTK_PACK_START] = NULL; } if (priv->action_widget[GTK_PACK_END]) { gtk_widget_unparent (priv->action_widget[GTK_PACK_END]); priv->action_widget[GTK_PACK_END] = NULL; } if (notebook->menu) gtk_notebook_popup_disable (notebook); if (priv->source_targets) { gtk_target_list_unref (priv->source_targets); priv->source_targets = NULL; } if (priv->switch_tab_timer) { g_source_remove (priv->switch_tab_timer); priv->switch_tab_timer = 0; } GTK_OBJECT_CLASS (gtk_notebook_parent_class)->destroy (object); } static void gtk_notebook_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkNotebook *notebook; notebook = GTK_NOTEBOOK (object); switch (prop_id) { case PROP_SHOW_TABS: gtk_notebook_set_show_tabs (notebook, g_value_get_boolean (value)); break; case PROP_SHOW_BORDER: gtk_notebook_set_show_border (notebook, g_value_get_boolean (value)); break; case PROP_SCROLLABLE: gtk_notebook_set_scrollable (notebook, g_value_get_boolean (value)); break; case PROP_ENABLE_POPUP: if (g_value_get_boolean (value)) gtk_notebook_popup_enable (notebook); else gtk_notebook_popup_disable (notebook); break; case PROP_HOMOGENEOUS: gtk_notebook_set_homogeneous_tabs_internal (notebook, g_value_get_boolean (value)); break; case PROP_PAGE: gtk_notebook_set_current_page (notebook, g_value_get_int (value)); break; case PROP_TAB_POS: gtk_notebook_set_tab_pos (notebook, g_value_get_enum (value)); break; case PROP_TAB_BORDER: gtk_notebook_set_tab_border_internal (notebook, g_value_get_uint (value)); break; case PROP_TAB_HBORDER: gtk_notebook_set_tab_hborder_internal (notebook, g_value_get_uint (value)); break; case PROP_TAB_VBORDER: gtk_notebook_set_tab_vborder_internal (notebook, g_value_get_uint (value)); break; case PROP_GROUP_ID: gtk_notebook_set_group_id (notebook, g_value_get_int (value)); break; case PROP_GROUP: gtk_notebook_set_group (notebook, g_value_get_pointer (value)); break; case PROP_GROUP_NAME: gtk_notebook_set_group_name (notebook, g_value_get_string (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_notebook_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkNotebook *notebook; GtkNotebookPrivate *priv; notebook = GTK_NOTEBOOK (object); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); switch (prop_id) { case PROP_SHOW_TABS: g_value_set_boolean (value, notebook->show_tabs); break; case PROP_SHOW_BORDER: g_value_set_boolean (value, notebook->show_border); break; case PROP_SCROLLABLE: g_value_set_boolean (value, notebook->scrollable); break; case PROP_ENABLE_POPUP: g_value_set_boolean (value, notebook->menu != NULL); break; case PROP_HOMOGENEOUS: g_value_set_boolean (value, notebook->homogeneous); break; case PROP_PAGE: g_value_set_int (value, gtk_notebook_get_current_page (notebook)); break; case PROP_TAB_POS: g_value_set_enum (value, notebook->tab_pos); break; case PROP_TAB_HBORDER: g_value_set_uint (value, notebook->tab_hborder); break; case PROP_TAB_VBORDER: g_value_set_uint (value, notebook->tab_vborder); break; case PROP_GROUP_ID: g_value_set_int (value, gtk_notebook_get_group_id (notebook)); break; case PROP_GROUP: g_value_set_pointer (value, priv->group); break; case PROP_GROUP_NAME: g_value_set_string (value, gtk_notebook_get_group_name (notebook)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } /* Private GtkWidget Methods : * * gtk_notebook_map * gtk_notebook_unmap * gtk_notebook_realize * gtk_notebook_size_request * gtk_notebook_size_allocate * gtk_notebook_expose * gtk_notebook_scroll * gtk_notebook_button_press * gtk_notebook_button_release * gtk_notebook_popup_menu * gtk_notebook_leave_notify * gtk_notebook_motion_notify * gtk_notebook_focus_in * gtk_notebook_focus_out * gtk_notebook_draw_focus * gtk_notebook_style_set * gtk_notebook_drag_begin * gtk_notebook_drag_end * gtk_notebook_drag_failed * gtk_notebook_drag_motion * gtk_notebook_drag_drop * gtk_notebook_drag_data_get * gtk_notebook_drag_data_received */ static gboolean gtk_notebook_get_event_window_position (GtkNotebook *notebook, GdkRectangle *rectangle) { GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); GtkWidget *widget = GTK_WIDGET (notebook); gint border_width = GTK_CONTAINER (notebook)->border_width; GtkNotebookPage *visible_page = NULL; GList *tmp_list; gint tab_pos = get_effective_tab_pos (notebook); gboolean is_rtl; gint i; for (tmp_list = notebook->children; tmp_list; tmp_list = tmp_list->next) { GtkNotebookPage *page = tmp_list->data; if (gtk_widget_get_visible (page->child)) { visible_page = page; break; } } if (notebook->show_tabs && visible_page) { if (rectangle) { is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; rectangle->x = widget->allocation.x + border_width; rectangle->y = widget->allocation.y + border_width; switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: rectangle->width = widget->allocation.width - 2 * border_width; rectangle->height = visible_page->requisition.height; if (tab_pos == GTK_POS_BOTTOM) rectangle->y += widget->allocation.height - 2 * border_width - rectangle->height; for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i] && gtk_widget_get_visible (priv->action_widget[i])) { rectangle->width -= priv->action_widget[i]->allocation.width; if ((!is_rtl && i == ACTION_WIDGET_START) || (is_rtl && i == ACTION_WIDGET_END)) rectangle->x += priv->action_widget[i]->allocation.width; } } break; case GTK_POS_LEFT: case GTK_POS_RIGHT: rectangle->width = visible_page->requisition.width; rectangle->height = widget->allocation.height - 2 * border_width; if (tab_pos == GTK_POS_RIGHT) rectangle->x += widget->allocation.width - 2 * border_width - rectangle->width; for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i] && gtk_widget_get_visible (priv->action_widget[i])) { rectangle->height -= priv->action_widget[i]->allocation.height; if (i == ACTION_WIDGET_START) rectangle->y += priv->action_widget[i]->allocation.height; } } break; } } return TRUE; } else { if (rectangle) { rectangle->x = rectangle->y = 0; rectangle->width = rectangle->height = 10; } } return FALSE; } static void gtk_notebook_map (GtkWidget *widget) { GtkNotebookPrivate *priv; GtkNotebook *notebook; GtkNotebookPage *page; GList *children; gint i; gtk_widget_set_mapped (widget, TRUE); notebook = GTK_NOTEBOOK (widget); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); if (notebook->cur_page && gtk_widget_get_visible (notebook->cur_page->child) && !gtk_widget_get_mapped (notebook->cur_page->child)) gtk_widget_map (notebook->cur_page->child); for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i] && gtk_widget_get_visible (priv->action_widget[i]) && GTK_WIDGET_CHILD_VISIBLE (priv->action_widget[i]) && !gtk_widget_get_mapped (priv->action_widget[i])) gtk_widget_map (priv->action_widget[i]); } if (notebook->scrollable) gtk_notebook_pages_allocate (notebook); else { children = notebook->children; while (children) { page = children->data; children = children->next; if (page->tab_label && gtk_widget_get_visible (page->tab_label) && !gtk_widget_get_mapped (page->tab_label)) gtk_widget_map (page->tab_label); } } if (gtk_notebook_get_event_window_position (notebook, NULL)) gdk_window_show_unraised (notebook->event_window); } static void gtk_notebook_unmap (GtkWidget *widget) { stop_scrolling (GTK_NOTEBOOK (widget)); gtk_widget_set_mapped (widget, FALSE); gdk_window_hide (GTK_NOTEBOOK (widget)->event_window); GTK_WIDGET_CLASS (gtk_notebook_parent_class)->unmap (widget); } static void gtk_notebook_realize (GtkWidget *widget) { GtkNotebook *notebook; GdkWindowAttr attributes; gint attributes_mask; GdkRectangle event_window_pos; notebook = GTK_NOTEBOOK (widget); gtk_widget_set_realized (widget, TRUE); gtk_notebook_get_event_window_position (notebook, &event_window_pos); widget->window = gtk_widget_get_parent_window (widget); g_object_ref (widget->window); attributes.window_type = GDK_WINDOW_CHILD; attributes.x = event_window_pos.x; attributes.y = event_window_pos.y; attributes.width = event_window_pos.width; attributes.height = event_window_pos.height; attributes.wclass = GDK_INPUT_ONLY; attributes.event_mask = gtk_widget_get_events (widget); attributes.event_mask |= (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK | GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_SCROLL_MASK); attributes_mask = GDK_WA_X | GDK_WA_Y; notebook->event_window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (notebook->event_window, notebook); widget->style = gtk_style_attach (widget->style, widget->window); } static void gtk_notebook_unrealize (GtkWidget *widget) { GtkNotebook *notebook; GtkNotebookPrivate *priv; notebook = GTK_NOTEBOOK (widget); priv = GTK_NOTEBOOK_GET_PRIVATE (widget); gdk_window_set_user_data (notebook->event_window, NULL); gdk_window_destroy (notebook->event_window); notebook->event_window = NULL; if (priv->drag_window) { gdk_window_set_user_data (priv->drag_window, NULL); gdk_window_destroy (priv->drag_window); priv->drag_window = NULL; } GTK_WIDGET_CLASS (gtk_notebook_parent_class)->unrealize (widget); } static void gtk_notebook_size_request (GtkWidget *widget, GtkRequisition *requisition) { GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (widget); GtkNotebook *notebook = GTK_NOTEBOOK (widget); GtkNotebookPage *page; GList *children; GtkRequisition child_requisition; GtkRequisition action_widget_requisition[2] = { { 0 }, { 0 } }; gboolean switch_page = FALSE; gint vis_pages; gint focus_width; gint tab_overlap; gint tab_curvature; gint arrow_spacing; gint scroll_arrow_hlength; gint scroll_arrow_vlength; gtk_widget_style_get (widget, "focus-line-width", &focus_width, "tab-overlap", &tab_overlap, "tab-curvature", &tab_curvature, "arrow-spacing", &arrow_spacing, "scroll-arrow-hlength", &scroll_arrow_hlength, "scroll-arrow-vlength", &scroll_arrow_vlength, NULL); widget->requisition.width = 0; widget->requisition.height = 0; for (children = notebook->children, vis_pages = 0; children; children = children->next) { page = children->data; if (gtk_widget_get_visible (page->child)) { vis_pages++; gtk_widget_size_request (page->child, &child_requisition); widget->requisition.width = MAX (widget->requisition.width, child_requisition.width); widget->requisition.height = MAX (widget->requisition.height, child_requisition.height); if (notebook->menu && page->menu_label->parent && !gtk_widget_get_visible (page->menu_label->parent)) gtk_widget_show (page->menu_label->parent); } else { if (page == notebook->cur_page) switch_page = TRUE; if (notebook->menu && page->menu_label->parent && gtk_widget_get_visible (page->menu_label->parent)) gtk_widget_hide (page->menu_label->parent); } } if (notebook->show_border || notebook->show_tabs) { widget->requisition.width += widget->style->xthickness * 2; widget->requisition.height += widget->style->ythickness * 2; if (notebook->show_tabs) { gint tab_width = 0; gint tab_height = 0; gint tab_max = 0; gint padding; gint i; gint action_width = 0; gint action_height = 0; for (children = notebook->children; children; children = children->next) { page = children->data; if (gtk_widget_get_visible (page->child)) { if (!gtk_widget_get_visible (page->tab_label)) gtk_widget_show (page->tab_label); gtk_widget_size_request (page->tab_label, &child_requisition); page->requisition.width = child_requisition.width + 2 * widget->style->xthickness; page->requisition.height = child_requisition.height + 2 * widget->style->ythickness; switch (notebook->tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: page->requisition.height += 2 * (notebook->tab_vborder + focus_width); tab_height = MAX (tab_height, page->requisition.height); tab_max = MAX (tab_max, page->requisition.width); break; case GTK_POS_LEFT: case GTK_POS_RIGHT: page->requisition.width += 2 * (notebook->tab_hborder + focus_width); tab_width = MAX (tab_width, page->requisition.width); tab_max = MAX (tab_max, page->requisition.height); break; } } else if (gtk_widget_get_visible (page->tab_label)) gtk_widget_hide (page->tab_label); } children = notebook->children; if (vis_pages) { for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i]) { gtk_widget_size_request (priv->action_widget[i], &action_widget_requisition[i]); action_widget_requisition[i].width += widget->style->xthickness; action_widget_requisition[i].height += widget->style->ythickness; } } switch (notebook->tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: if (tab_height == 0) break; if (notebook->scrollable && vis_pages > 1 && widget->requisition.width < tab_width) tab_height = MAX (tab_height, scroll_arrow_hlength); tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_START].height); tab_height = MAX (tab_height, action_widget_requisition[ACTION_WIDGET_END].height); padding = 2 * (tab_curvature + focus_width + notebook->tab_hborder) - tab_overlap; tab_max += padding; while (children) { page = children->data; children = children->next; if (!gtk_widget_get_visible (page->child)) continue; if (notebook->homogeneous) page->requisition.width = tab_max; else page->requisition.width += padding; tab_width += page->requisition.width; page->requisition.height = tab_height; } if (notebook->scrollable && vis_pages > 1 && widget->requisition.width < tab_width) tab_width = tab_max + 2 * (scroll_arrow_hlength + arrow_spacing); action_width += action_widget_requisition[ACTION_WIDGET_START].width; action_width += action_widget_requisition[ACTION_WIDGET_END].width; if (notebook->homogeneous && !notebook->scrollable) widget->requisition.width = MAX (widget->requisition.width, vis_pages * tab_max + tab_overlap + action_width); else widget->requisition.width = MAX (widget->requisition.width, tab_width + tab_overlap + action_width); widget->requisition.height += tab_height; break; case GTK_POS_LEFT: case GTK_POS_RIGHT: if (tab_width == 0) break; if (notebook->scrollable && vis_pages > 1 && widget->requisition.height < tab_height) tab_width = MAX (tab_width, arrow_spacing + 2 * scroll_arrow_vlength); tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_START].width); tab_width = MAX (tab_width, action_widget_requisition[ACTION_WIDGET_END].width); padding = 2 * (tab_curvature + focus_width + notebook->tab_vborder) - tab_overlap; tab_max += padding; while (children) { page = children->data; children = children->next; if (!gtk_widget_get_visible (page->child)) continue; page->requisition.width = tab_width; if (notebook->homogeneous) page->requisition.height = tab_max; else page->requisition.height += padding; tab_height += page->requisition.height; } if (notebook->scrollable && vis_pages > 1 && widget->requisition.height < tab_height) tab_height = tab_max + (2 * scroll_arrow_vlength + arrow_spacing); action_height += action_widget_requisition[ACTION_WIDGET_START].height; action_height += action_widget_requisition[ACTION_WIDGET_END].height; if (notebook->homogeneous && !notebook->scrollable) widget->requisition.height = MAX (widget->requisition.height, vis_pages * tab_max + tab_overlap + action_height); else widget->requisition.height = MAX (widget->requisition.height, tab_height + tab_overlap + action_height); if (!notebook->homogeneous || notebook->scrollable) vis_pages = 1; widget->requisition.height = MAX (widget->requisition.height, vis_pages * tab_max + tab_overlap); widget->requisition.width += tab_width; break; } } } else { for (children = notebook->children; children; children = children->next) { page = children->data; if (page->tab_label && gtk_widget_get_visible (page->tab_label)) gtk_widget_hide (page->tab_label); } } } widget->requisition.width += GTK_CONTAINER (widget)->border_width * 2; widget->requisition.height += GTK_CONTAINER (widget)->border_width * 2; if (switch_page) { if (vis_pages) { for (children = notebook->children; children; children = children->next) { page = children->data; if (gtk_widget_get_visible (page->child)) { gtk_notebook_switch_page (notebook, page); break; } } } else if (gtk_widget_get_visible (widget)) { widget->requisition.width = GTK_CONTAINER (widget)->border_width * 2; widget->requisition.height= GTK_CONTAINER (widget)->border_width * 2; } } if (vis_pages && !notebook->cur_page) { children = gtk_notebook_search_page (notebook, NULL, STEP_NEXT, TRUE); if (children) { notebook->first_tab = children; gtk_notebook_switch_page (notebook, GTK_NOTEBOOK_PAGE (children)); } } } static void gtk_notebook_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (widget); GtkNotebook *notebook = GTK_NOTEBOOK (widget); gint tab_pos = get_effective_tab_pos (notebook); gboolean is_rtl; gint focus_width; gtk_widget_style_get (widget, "focus-line-width", &focus_width, NULL); widget->allocation = *allocation; if (gtk_widget_get_realized (widget)) { GdkRectangle position; if (gtk_notebook_get_event_window_position (notebook, &position)) { gdk_window_move_resize (notebook->event_window, position.x, position.y, position.width, position.height); if (gtk_widget_get_mapped (GTK_WIDGET (notebook))) gdk_window_show_unraised (notebook->event_window); } else gdk_window_hide (notebook->event_window); } if (notebook->children) { gint border_width = GTK_CONTAINER (widget)->border_width; GtkNotebookPage *page; GtkAllocation child_allocation; GList *children; gint i; child_allocation.x = widget->allocation.x + border_width; child_allocation.y = widget->allocation.y + border_width; child_allocation.width = MAX (1, allocation->width - border_width * 2); child_allocation.height = MAX (1, allocation->height - border_width * 2); if (notebook->show_tabs || notebook->show_border) { child_allocation.x += widget->style->xthickness; child_allocation.y += widget->style->ythickness; child_allocation.width = MAX (1, child_allocation.width - widget->style->xthickness * 2); child_allocation.height = MAX (1, child_allocation.height - widget->style->ythickness * 2); if (notebook->show_tabs && notebook->children && notebook->cur_page) { switch (tab_pos) { case GTK_POS_TOP: child_allocation.y += notebook->cur_page->requisition.height; case GTK_POS_BOTTOM: child_allocation.height = MAX (1, child_allocation.height - notebook->cur_page->requisition.height); break; case GTK_POS_LEFT: child_allocation.x += notebook->cur_page->requisition.width; case GTK_POS_RIGHT: child_allocation.width = MAX (1, child_allocation.width - notebook->cur_page->requisition.width); break; } for (i = 0; i < N_ACTION_WIDGETS; i++) { GtkAllocation widget_allocation; if (!priv->action_widget[i]) continue; widget_allocation.x = widget->allocation.x + border_width; widget_allocation.y = widget->allocation.y + border_width; is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; switch (tab_pos) { case GTK_POS_BOTTOM: widget_allocation.y += widget->allocation.height - 2 * border_width - notebook->cur_page->requisition.height; /* fall through */ case GTK_POS_TOP: widget_allocation.width = priv->action_widget[i]->requisition.width; widget_allocation.height = notebook->cur_page->requisition.height - widget->style->ythickness; if ((i == ACTION_WIDGET_START && is_rtl) || (i == ACTION_WIDGET_END && !is_rtl)) widget_allocation.x += widget->allocation.width - 2 * border_width - priv->action_widget[i]->requisition.width; if (tab_pos == GTK_POS_TOP) /* no fall through */ widget_allocation.y += 2 * focus_width; break; case GTK_POS_RIGHT: widget_allocation.x += widget->allocation.width - 2 * border_width - notebook->cur_page->requisition.width; /* fall through */ case GTK_POS_LEFT: widget_allocation.height = priv->action_widget[i]->requisition.height; widget_allocation.width = notebook->cur_page->requisition.width - widget->style->xthickness; if (i == ACTION_WIDGET_END) widget_allocation.y += widget->allocation.height - 2 * border_width - priv->action_widget[i]->requisition.height; if (tab_pos == GTK_POS_LEFT) /* no fall through */ widget_allocation.x += 2 * focus_width; break; } gtk_widget_size_allocate (priv->action_widget[i], &widget_allocation); } } } children = notebook->children; while (children) { page = children->data; children = children->next; if (gtk_widget_get_visible (page->child)) gtk_widget_size_allocate (page->child, &child_allocation); } gtk_notebook_pages_allocate (notebook); } } static gint gtk_notebook_expose (GtkWidget *widget, GdkEventExpose *event) { GtkNotebook *notebook; GtkNotebookPrivate *priv; gint i; notebook = GTK_NOTEBOOK (widget); priv = GTK_NOTEBOOK_GET_PRIVATE (widget); if (event->window == priv->drag_window) { GdkRectangle area = { 0, }; cairo_t *cr; /* FIXME: This is a workaround to make tabs reordering work better * with engines with rounded tabs. If the drag window background * isn't set, the rounded corners would be black. * * Ideally, these corners should be made transparent, Either by using * ARGB visuals or shape windows. */ cr = gdk_cairo_create (priv->drag_window); gdk_cairo_set_source_color (cr, &widget->style->bg [GTK_STATE_NORMAL]); cairo_paint (cr); cairo_destroy (cr); area.width = gdk_window_get_width (priv->drag_window); area.height = gdk_window_get_height (priv->drag_window); gtk_notebook_draw_tab (notebook, notebook->cur_page, &area); gtk_notebook_draw_focus (widget, event); gtk_container_propagate_expose (GTK_CONTAINER (notebook), notebook->cur_page->tab_label, event); } else if (gtk_widget_is_drawable (widget)) { gtk_notebook_paint (widget, &event->area); if (notebook->show_tabs) { GtkNotebookPage *page; GList *pages; gtk_notebook_draw_focus (widget, event); pages = notebook->children; while (pages) { page = GTK_NOTEBOOK_PAGE (pages); pages = pages->next; if (page->tab_label->window == event->window && gtk_widget_is_drawable (page->tab_label)) gtk_container_propagate_expose (GTK_CONTAINER (notebook), page->tab_label, event); } } if (notebook->cur_page) gtk_container_propagate_expose (GTK_CONTAINER (notebook), notebook->cur_page->child, event); if (notebook->show_tabs) { for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i] && gtk_widget_is_drawable (priv->action_widget[i])) gtk_container_propagate_expose (GTK_CONTAINER (notebook), priv->action_widget[i], event); } } } return FALSE; } static gboolean gtk_notebook_show_arrows (GtkNotebook *notebook) { gboolean show_arrow = FALSE; GList *children; if (!notebook->scrollable) return FALSE; children = notebook->children; while (children) { GtkNotebookPage *page = children->data; if (page->tab_label && !gtk_widget_get_child_visible (page->tab_label)) show_arrow = TRUE; children = children->next; } return show_arrow; } static void gtk_notebook_get_arrow_rect (GtkNotebook *notebook, GdkRectangle *rectangle, GtkNotebookArrow arrow) { GdkRectangle event_window_pos; gboolean before = ARROW_IS_BEFORE (arrow); gboolean left = ARROW_IS_LEFT (arrow); if (gtk_notebook_get_event_window_position (notebook, &event_window_pos)) { gint scroll_arrow_hlength; gint scroll_arrow_vlength; gtk_widget_style_get (GTK_WIDGET (notebook), "scroll-arrow-hlength", &scroll_arrow_hlength, "scroll-arrow-vlength", &scroll_arrow_vlength, NULL); switch (notebook->tab_pos) { case GTK_POS_LEFT: case GTK_POS_RIGHT: rectangle->width = scroll_arrow_vlength; rectangle->height = scroll_arrow_vlength; if ((before && (notebook->has_before_previous != notebook->has_before_next)) || (!before && (notebook->has_after_previous != notebook->has_after_next))) rectangle->x = event_window_pos.x + (event_window_pos.width - rectangle->width) / 2; else if (left) rectangle->x = event_window_pos.x + event_window_pos.width / 2 - rectangle->width; else rectangle->x = event_window_pos.x + event_window_pos.width / 2; rectangle->y = event_window_pos.y; if (!before) rectangle->y += event_window_pos.height - rectangle->height; break; case GTK_POS_TOP: case GTK_POS_BOTTOM: rectangle->width = scroll_arrow_hlength; rectangle->height = scroll_arrow_hlength; if (before) { if (left || !notebook->has_before_previous) rectangle->x = event_window_pos.x; else rectangle->x = event_window_pos.x + rectangle->width; } else { if (!left || !notebook->has_after_next) rectangle->x = event_window_pos.x + event_window_pos.width - rectangle->width; else rectangle->x = event_window_pos.x + event_window_pos.width - 2 * rectangle->width; } rectangle->y = event_window_pos.y + (event_window_pos.height - rectangle->height) / 2; break; } } } static GtkNotebookArrow gtk_notebook_get_arrow (GtkNotebook *notebook, gint x, gint y) { GdkRectangle arrow_rect; GdkRectangle event_window_pos; gint i; gint x0, y0; GtkNotebookArrow arrow[4]; arrow[0] = notebook->has_before_previous ? ARROW_LEFT_BEFORE : ARROW_NONE; arrow[1] = notebook->has_before_next ? ARROW_RIGHT_BEFORE : ARROW_NONE; arrow[2] = notebook->has_after_previous ? ARROW_LEFT_AFTER : ARROW_NONE; arrow[3] = notebook->has_after_next ? ARROW_RIGHT_AFTER : ARROW_NONE; if (gtk_notebook_show_arrows (notebook)) { gtk_notebook_get_event_window_position (notebook, &event_window_pos); for (i = 0; i < 4; i++) { if (arrow[i] == ARROW_NONE) continue; gtk_notebook_get_arrow_rect (notebook, &arrow_rect, arrow[i]); x0 = x - arrow_rect.x; y0 = y - arrow_rect.y; if (y0 >= 0 && y0 < arrow_rect.height && x0 >= 0 && x0 < arrow_rect.width) return arrow[i]; } } return ARROW_NONE; } static void gtk_notebook_do_arrow (GtkNotebook *notebook, GtkNotebookArrow arrow) { GtkWidget *widget = GTK_WIDGET (notebook); gboolean is_rtl, left; is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; left = (ARROW_IS_LEFT (arrow) && !is_rtl) || (!ARROW_IS_LEFT (arrow) && is_rtl); if (!notebook->focus_tab || gtk_notebook_search_page (notebook, notebook->focus_tab, left ? STEP_PREV : STEP_NEXT, TRUE)) { gtk_notebook_change_current_page (notebook, left ? -1 : 1); gtk_widget_grab_focus (widget); } } static gboolean gtk_notebook_arrow_button_press (GtkNotebook *notebook, GtkNotebookArrow arrow, gint button) { GtkWidget *widget = GTK_WIDGET (notebook); gboolean is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; gboolean left = (ARROW_IS_LEFT (arrow) && !is_rtl) || (!ARROW_IS_LEFT (arrow) && is_rtl); if (!gtk_widget_has_focus (widget)) gtk_widget_grab_focus (widget); notebook->button = button; notebook->click_child = arrow; if (button == 1) { gtk_notebook_do_arrow (notebook, arrow); gtk_notebook_set_scroll_timer (notebook); } else if (button == 2) gtk_notebook_page_select (notebook, TRUE); else if (button == 3) gtk_notebook_switch_focus_tab (notebook, gtk_notebook_search_page (notebook, NULL, left ? STEP_NEXT : STEP_PREV, TRUE)); gtk_notebook_redraw_arrows (notebook); return TRUE; } static gboolean get_widget_coordinates (GtkWidget *widget, GdkEvent *event, gint *x, gint *y) { GdkWindow *window = ((GdkEventAny *)event)->window; gdouble tx, ty; if (!gdk_event_get_coords (event, &tx, &ty)) return FALSE; while (window && window != widget->window) { gint window_x, window_y; gdk_window_get_position (window, &window_x, &window_y); tx += window_x; ty += window_y; window = gdk_window_get_parent (window); } if (window) { *x = tx; *y = ty; return TRUE; } else return FALSE; } static gboolean gtk_notebook_scroll (GtkWidget *widget, GdkEventScroll *event) { GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (widget); GtkNotebook *notebook = GTK_NOTEBOOK (widget); GtkWidget *child, *event_widget; gint i; if (!notebook->cur_page) return FALSE; child = notebook->cur_page->child; event_widget = gtk_get_event_widget ((GdkEvent *)event); /* ignore scroll events from the content of the page */ if (!event_widget || gtk_widget_is_ancestor (event_widget, child) || event_widget == child) return FALSE; /* nor from the action area */ for (i = 0; i < 2; i++) { if (event_widget == priv->action_widget[i] || (priv->action_widget[i] && gtk_widget_is_ancestor (event_widget, priv->action_widget[i]))) return FALSE; } switch (event->direction) { case GDK_SCROLL_RIGHT: case GDK_SCROLL_DOWN: gtk_notebook_next_page (notebook); break; case GDK_SCROLL_LEFT: case GDK_SCROLL_UP: gtk_notebook_prev_page (notebook); break; } return TRUE; } static GList* get_tab_at_pos (GtkNotebook *notebook, gint x, gint y) { GtkNotebookPage *page; GList *children = notebook->children; while (children) { page = children->data; if (gtk_widget_get_visible (page->child) && page->tab_label && gtk_widget_get_mapped (page->tab_label) && (x >= page->allocation.x) && (y >= page->allocation.y) && (x <= (page->allocation.x + page->allocation.width)) && (y <= (page->allocation.y + page->allocation.height))) return children; children = children->next; } return NULL; } static gboolean gtk_notebook_button_press (GtkWidget *widget, GdkEventButton *event) { GtkNotebook *notebook = GTK_NOTEBOOK (widget); GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); GtkNotebookPage *page; GList *tab; GtkNotebookArrow arrow; gint x, y; if (event->type != GDK_BUTTON_PRESS || !notebook->children || notebook->button) return FALSE; if (!get_widget_coordinates (widget, (GdkEvent *)event, &x, &y)) return FALSE; arrow = gtk_notebook_get_arrow (notebook, x, y); if (arrow) return gtk_notebook_arrow_button_press (notebook, arrow, event->button); if (notebook->menu && _gtk_button_event_triggers_context_menu (event)) { gtk_menu_popup (GTK_MENU (notebook->menu), NULL, NULL, NULL, NULL, 3, event->time); return TRUE; } if (event->button != 1) return FALSE; notebook->button = event->button; if ((tab = get_tab_at_pos (notebook, x, y)) != NULL) { gboolean page_changed, was_focus; page = tab->data; page_changed = page != notebook->cur_page; was_focus = gtk_widget_is_focus (widget); gtk_notebook_switch_focus_tab (notebook, tab); gtk_widget_grab_focus (widget); if (page_changed && !was_focus) gtk_widget_child_focus (page->child, GTK_DIR_TAB_FORWARD); /* save press to possibly begin a drag */ if (page->reorderable || page->detachable) { priv->during_detach = FALSE; priv->during_reorder = FALSE; priv->pressed_button = event->button; priv->mouse_x = x; priv->mouse_y = y; priv->drag_begin_x = priv->mouse_x; priv->drag_begin_y = priv->mouse_y; priv->drag_offset_x = priv->drag_begin_x - page->allocation.x; priv->drag_offset_y = priv->drag_begin_y - page->allocation.y; } } return TRUE; } static void popup_position_func (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data) { GtkNotebook *notebook = data; GtkWidget *w; GtkRequisition requisition; if (notebook->focus_tab) { GtkNotebookPage *page; page = notebook->focus_tab->data; w = page->tab_label; } else { w = GTK_WIDGET (notebook); } gdk_window_get_origin (w->window, x, y); gtk_widget_size_request (GTK_WIDGET (menu), &requisition); if (gtk_widget_get_direction (w) == GTK_TEXT_DIR_RTL) *x += w->allocation.x + w->allocation.width - requisition.width; else *x += w->allocation.x; *y += w->allocation.y + w->allocation.height; *push_in = FALSE; } static gboolean gtk_notebook_popup_menu (GtkWidget *widget) { GtkNotebook *notebook = GTK_NOTEBOOK (widget); if (notebook->menu) { gtk_menu_popup (GTK_MENU (notebook->menu), NULL, NULL, popup_position_func, notebook, 0, gtk_get_current_event_time ()); gtk_menu_shell_select_first (GTK_MENU_SHELL (notebook->menu), FALSE); return TRUE; } return FALSE; } static void stop_scrolling (GtkNotebook *notebook) { if (notebook->timer) { g_source_remove (notebook->timer); notebook->timer = 0; notebook->need_timer = FALSE; } notebook->click_child = 0; notebook->button = 0; gtk_notebook_redraw_arrows (notebook); } static GList* get_drop_position (GtkNotebook *notebook, guint pack) { GtkNotebookPrivate *priv; GList *children, *last_child; GtkNotebookPage *page; gboolean is_rtl; gint x, y; priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); x = priv->mouse_x; y = priv->mouse_y; is_rtl = gtk_widget_get_direction ((GtkWidget *) notebook) == GTK_TEXT_DIR_RTL; children = notebook->children; last_child = NULL; while (children) { page = children->data; if ((priv->operation != DRAG_OPERATION_REORDER || page != notebook->cur_page) && gtk_widget_get_visible (page->child) && page->tab_label && gtk_widget_get_mapped (page->tab_label) && page->pack == pack) { switch (notebook->tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: if (!is_rtl) { if ((page->pack == GTK_PACK_START && PAGE_MIDDLE_X (page) > x) || (page->pack == GTK_PACK_END && PAGE_MIDDLE_X (page) < x)) return children; } else { if ((page->pack == GTK_PACK_START && PAGE_MIDDLE_X (page) < x) || (page->pack == GTK_PACK_END && PAGE_MIDDLE_X (page) > x)) return children; } break; case GTK_POS_LEFT: case GTK_POS_RIGHT: if ((page->pack == GTK_PACK_START && PAGE_MIDDLE_Y (page) > y) || (page->pack == GTK_PACK_END && PAGE_MIDDLE_Y (page) < y)) return children; break; } last_child = children->next; } children = children->next; } return last_child; } static void show_drag_window (GtkNotebook *notebook, GtkNotebookPrivate *priv, GtkNotebookPage *page) { GtkWidget *widget = GTK_WIDGET (notebook); if (!priv->drag_window) { GdkWindowAttr attributes; guint attributes_mask; attributes.x = page->allocation.x; attributes.y = page->allocation.y; attributes.width = page->allocation.width; attributes.height = page->allocation.height; attributes.window_type = GDK_WINDOW_CHILD; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (widget); attributes.colormap = gtk_widget_get_colormap (widget); attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; priv->drag_window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (priv->drag_window, widget); } g_object_ref (page->tab_label); gtk_widget_unparent (page->tab_label); gtk_widget_set_parent_window (page->tab_label, priv->drag_window); gtk_widget_set_parent (page->tab_label, widget); g_object_unref (page->tab_label); gdk_window_show (priv->drag_window); /* the grab will dissapear when the window is hidden */ gdk_pointer_grab (priv->drag_window, FALSE, GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, NULL, NULL, GDK_CURRENT_TIME); } /* This function undoes the reparenting that happens both when drag_window * is shown for reordering and when the DnD icon is shown for detaching */ static void hide_drag_window (GtkNotebook *notebook, GtkNotebookPrivate *priv, GtkNotebookPage *page) { GtkWidget *widget = GTK_WIDGET (notebook); GtkWidget *parent = page->tab_label->parent; if (page->tab_label->window != widget->window || !NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page)) { g_object_ref (page->tab_label); if (GTK_IS_WINDOW (parent)) { /* parent widget is the drag window */ gtk_container_remove (GTK_CONTAINER (parent), page->tab_label); } else gtk_widget_unparent (page->tab_label); gtk_widget_set_parent (page->tab_label, widget); g_object_unref (page->tab_label); } if (priv->drag_window && gdk_window_is_visible (priv->drag_window)) gdk_window_hide (priv->drag_window); } static void gtk_notebook_stop_reorder (GtkNotebook *notebook) { GtkNotebookPrivate *priv; GtkNotebookPage *page; priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); if (priv->operation == DRAG_OPERATION_DETACH) page = priv->detached_tab; else page = notebook->cur_page; if (!page || !page->tab_label) return; priv->pressed_button = -1; if (page->reorderable || page->detachable) { if (priv->during_reorder) { gint old_page_num, page_num; GList *element; element = get_drop_position (notebook, page->pack); old_page_num = g_list_position (notebook->children, notebook->focus_tab); page_num = reorder_tab (notebook, element, notebook->focus_tab); gtk_notebook_child_reordered (notebook, page); if (priv->has_scrolled || old_page_num != page_num) g_signal_emit (notebook, notebook_signals[PAGE_REORDERED], 0, page->child, page_num); priv->has_scrolled = FALSE; priv->during_reorder = FALSE; } hide_drag_window (notebook, priv, page); priv->operation = DRAG_OPERATION_NONE; gtk_notebook_pages_allocate (notebook); if (priv->dnd_timer) { g_source_remove (priv->dnd_timer); priv->dnd_timer = 0; } } } static gint gtk_notebook_button_release (GtkWidget *widget, GdkEventButton *event) { GtkNotebook *notebook; GtkNotebookPrivate *priv; GtkNotebookPage *page; if (event->type != GDK_BUTTON_RELEASE) return FALSE; notebook = GTK_NOTEBOOK (widget); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); page = notebook->cur_page; if (!priv->during_detach && page->reorderable && event->button == priv->pressed_button) gtk_notebook_stop_reorder (notebook); if (event->button == notebook->button) { stop_scrolling (notebook); return TRUE; } else return FALSE; } static gint gtk_notebook_leave_notify (GtkWidget *widget, GdkEventCrossing *event) { GtkNotebook *notebook = GTK_NOTEBOOK (widget); gint x, y; if (!get_widget_coordinates (widget, (GdkEvent *)event, &x, &y)) return FALSE; if (notebook->in_child) { notebook->in_child = 0; gtk_notebook_redraw_arrows (notebook); } return TRUE; } static GtkNotebookPointerPosition get_pointer_position (GtkNotebook *notebook) { GtkWidget *widget = (GtkWidget *) notebook; GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); gint wx, wy, width, height; gboolean is_rtl; if (!notebook->scrollable) return POINTER_BETWEEN; gdk_window_get_position (notebook->event_window, &wx, &wy); width = gdk_window_get_width (notebook->event_window); height = gdk_window_get_height (notebook->event_window); if (notebook->tab_pos == GTK_POS_TOP || notebook->tab_pos == GTK_POS_BOTTOM) { gint x; is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; x = priv->mouse_x - wx; if (x > width - SCROLL_THRESHOLD) return (is_rtl) ? POINTER_BEFORE : POINTER_AFTER; else if (x < SCROLL_THRESHOLD) return (is_rtl) ? POINTER_AFTER : POINTER_BEFORE; else return POINTER_BETWEEN; } else { gint y; y = priv->mouse_y - wy; if (y > height - SCROLL_THRESHOLD) return POINTER_AFTER; else if (y < SCROLL_THRESHOLD) return POINTER_BEFORE; else return POINTER_BETWEEN; } } static gboolean scroll_notebook_timer (gpointer data) { GtkNotebook *notebook = (GtkNotebook *) data; GtkNotebookPrivate *priv; GtkNotebookPointerPosition pointer_position; GList *element, *first_tab; priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); pointer_position = get_pointer_position (notebook); element = get_drop_position (notebook, notebook->cur_page->pack); reorder_tab (notebook, element, notebook->focus_tab); first_tab = gtk_notebook_search_page (notebook, notebook->first_tab, (pointer_position == POINTER_BEFORE) ? STEP_PREV : STEP_NEXT, TRUE); if (first_tab) { notebook->first_tab = first_tab; gtk_notebook_pages_allocate (notebook); gdk_window_move_resize (priv->drag_window, priv->drag_window_x, priv->drag_window_y, notebook->cur_page->allocation.width, notebook->cur_page->allocation.height); gdk_window_raise (priv->drag_window); } return TRUE; } static gboolean check_threshold (GtkNotebook *notebook, gint current_x, gint current_y) { GtkWidget *widget; gint dnd_threshold; GdkRectangle rectangle = { 0, }; /* shut up gcc */ GtkSettings *settings; widget = GTK_WIDGET (notebook); settings = gtk_widget_get_settings (GTK_WIDGET (notebook)); g_object_get (G_OBJECT (settings), "gtk-dnd-drag-threshold", &dnd_threshold, NULL); /* we want a large threshold */ dnd_threshold *= DND_THRESHOLD_MULTIPLIER; gdk_window_get_position (notebook->event_window, &rectangle.x, &rectangle.y); rectangle.width = gdk_window_get_width (notebook->event_window); rectangle.height = gdk_window_get_height (notebook->event_window); rectangle.x -= dnd_threshold; rectangle.width += 2 * dnd_threshold; rectangle.y -= dnd_threshold; rectangle.height += 2 * dnd_threshold; return (current_x < rectangle.x || current_x > rectangle.x + rectangle.width || current_y < rectangle.y || current_y > rectangle.y + rectangle.height); } static gint gtk_notebook_motion_notify (GtkWidget *widget, GdkEventMotion *event) { GtkNotebook *notebook = GTK_NOTEBOOK (widget); GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); GtkNotebookPage *page; GtkNotebookArrow arrow; GtkNotebookPointerPosition pointer_position; GtkSettings *settings; guint timeout; gint x_win, y_win; page = notebook->cur_page; if (!page) return FALSE; if (!(event->state & GDK_BUTTON1_MASK) && priv->pressed_button != -1) { gtk_notebook_stop_reorder (notebook); stop_scrolling (notebook); } if (event->time < priv->timestamp + MSECS_BETWEEN_UPDATES) return FALSE; priv->timestamp = event->time; /* While animating the move, event->x is relative to the flying tab * (priv->drag_window has a pointer grab), but we need coordinates relative to * the notebook widget. */ gdk_window_get_origin (widget->window, &x_win, &y_win); priv->mouse_x = event->x_root - x_win; priv->mouse_y = event->y_root - y_win; arrow = gtk_notebook_get_arrow (notebook, priv->mouse_x, priv->mouse_y); if (arrow != notebook->in_child) { notebook->in_child = arrow; gtk_notebook_redraw_arrows (notebook); } if (priv->pressed_button == -1) return FALSE; if (page->detachable && check_threshold (notebook, priv->mouse_x, priv->mouse_y)) { priv->detached_tab = notebook->cur_page; priv->during_detach = TRUE; gtk_drag_begin (widget, priv->source_targets, GDK_ACTION_MOVE, priv->pressed_button, (GdkEvent*) event); return TRUE; } if (page->reorderable && (priv->during_reorder || gtk_drag_check_threshold (widget, priv->drag_begin_x, priv->drag_begin_y, priv->mouse_x, priv->mouse_y))) { priv->during_reorder = TRUE; pointer_position = get_pointer_position (notebook); if (event->window == priv->drag_window && pointer_position != POINTER_BETWEEN && gtk_notebook_show_arrows (notebook)) { /* scroll tabs */ if (!priv->dnd_timer) { priv->has_scrolled = TRUE; settings = gtk_widget_get_settings (GTK_WIDGET (notebook)); g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL); priv->dnd_timer = gdk_threads_add_timeout (timeout * SCROLL_DELAY_FACTOR, scroll_notebook_timer, (gpointer) notebook); } } else { if (priv->dnd_timer) { g_source_remove (priv->dnd_timer); priv->dnd_timer = 0; } } if (event->window == priv->drag_window || priv->operation != DRAG_OPERATION_REORDER) { /* the drag operation is beginning, create the window */ if (priv->operation != DRAG_OPERATION_REORDER) { priv->operation = DRAG_OPERATION_REORDER; show_drag_window (notebook, priv, page); } gtk_notebook_pages_allocate (notebook); gdk_window_move_resize (priv->drag_window, priv->drag_window_x, priv->drag_window_y, page->allocation.width, page->allocation.height); } } return TRUE; } static void gtk_notebook_grab_notify (GtkWidget *widget, gboolean was_grabbed) { GtkNotebook *notebook = GTK_NOTEBOOK (widget); if (!was_grabbed) { gtk_notebook_stop_reorder (notebook); stop_scrolling (notebook); } } static void gtk_notebook_state_changed (GtkWidget *widget, GtkStateType previous_state) { if (!gtk_widget_is_sensitive (widget)) stop_scrolling (GTK_NOTEBOOK (widget)); } static gint gtk_notebook_focus_in (GtkWidget *widget, GdkEventFocus *event) { gtk_notebook_redraw_tabs (GTK_NOTEBOOK (widget)); return FALSE; } static gint gtk_notebook_focus_out (GtkWidget *widget, GdkEventFocus *event) { gtk_notebook_redraw_tabs (GTK_NOTEBOOK (widget)); return FALSE; } static void gtk_notebook_draw_focus (GtkWidget *widget, GdkEventExpose *event) { GtkNotebook *notebook = GTK_NOTEBOOK (widget); if (gtk_widget_has_focus (widget) && gtk_widget_is_drawable (widget) && notebook->show_tabs && notebook->cur_page && notebook->cur_page->tab_label->window == event->window) { GtkNotebookPage *page; page = notebook->cur_page; if (gtk_widget_intersect (page->tab_label, &event->area, NULL)) { GdkRectangle area; gint focus_width; gtk_widget_style_get (widget, "focus-line-width", &focus_width, NULL); area.x = page->tab_label->allocation.x - focus_width; area.y = page->tab_label->allocation.y - focus_width; area.width = page->tab_label->allocation.width + 2 * focus_width; area.height = page->tab_label->allocation.height + 2 * focus_width; gtk_paint_focus (widget->style, event->window, gtk_widget_get_state (widget), NULL, widget, "tab", area.x, area.y, area.width, area.height); } } } static void gtk_notebook_style_set (GtkWidget *widget, GtkStyle *previous) { GtkNotebook *notebook; gboolean has_before_previous; gboolean has_before_next; gboolean has_after_previous; gboolean has_after_next; notebook = GTK_NOTEBOOK (widget); gtk_widget_style_get (widget, "has-backward-stepper", &has_before_previous, "has-secondary-forward-stepper", &has_before_next, "has-secondary-backward-stepper", &has_after_previous, "has-forward-stepper", &has_after_next, NULL); notebook->has_before_previous = has_before_previous; notebook->has_before_next = has_before_next; notebook->has_after_previous = has_after_previous; notebook->has_after_next = has_after_next; GTK_WIDGET_CLASS (gtk_notebook_parent_class)->style_set (widget, previous); } static gboolean on_drag_icon_expose (GtkWidget *widget, GdkEventExpose *event, gpointer data) { GtkWidget *notebook, *child = GTK_WIDGET (data); GtkRequisition requisition; gint gap_pos; notebook = GTK_WIDGET (data); child = GTK_BIN (widget)->child; gtk_widget_size_request (widget, &requisition); gap_pos = get_tab_gap_pos (GTK_NOTEBOOK (notebook)); gtk_paint_extension (notebook->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_OUT, NULL, widget, "tab", 0, 0, requisition.width, requisition.height, gap_pos); if (child) gtk_container_propagate_expose (GTK_CONTAINER (widget), child, event); return TRUE; } static void gtk_notebook_drag_begin (GtkWidget *widget, GdkDragContext *context) { GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (widget); GtkNotebook *notebook = (GtkNotebook*) widget; GtkWidget *tab_label; if (priv->dnd_timer) { g_source_remove (priv->dnd_timer); priv->dnd_timer = 0; } priv->operation = DRAG_OPERATION_DETACH; gtk_notebook_pages_allocate (notebook); tab_label = priv->detached_tab->tab_label; hide_drag_window (notebook, priv, notebook->cur_page); g_object_ref (tab_label); gtk_widget_unparent (tab_label); priv->dnd_window = gtk_window_new (GTK_WINDOW_POPUP); gtk_window_set_screen (GTK_WINDOW (priv->dnd_window), gtk_widget_get_screen (widget)); gtk_widget_set_colormap (priv->dnd_window, gtk_widget_get_colormap (widget)); gtk_container_add (GTK_CONTAINER (priv->dnd_window), tab_label); gtk_widget_set_size_request (priv->dnd_window, priv->detached_tab->allocation.width, priv->detached_tab->allocation.height); g_object_unref (tab_label); g_signal_connect (G_OBJECT (priv->dnd_window), "expose-event", G_CALLBACK (on_drag_icon_expose), notebook); gtk_drag_set_icon_widget (context, priv->dnd_window, -2, -2); } static void gtk_notebook_drag_end (GtkWidget *widget, GdkDragContext *context) { GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (widget); gtk_notebook_stop_reorder (GTK_NOTEBOOK (widget)); if (priv->detached_tab) gtk_notebook_switch_page (GTK_NOTEBOOK (widget), priv->detached_tab); GTK_BIN (priv->dnd_window)->child = NULL; gtk_widget_destroy (priv->dnd_window); priv->dnd_window = NULL; priv->operation = DRAG_OPERATION_NONE; } static GtkNotebook * gtk_notebook_create_window (GtkNotebook *notebook, GtkWidget *page, gint x, gint y) { if (window_creation_hook) return (* window_creation_hook) (notebook, page, x, y, window_creation_hook_data); return NULL; } static gboolean gtk_notebook_drag_failed (GtkWidget *widget, GdkDragContext *context, GtkDragResult result, gpointer data) { if (result == GTK_DRAG_RESULT_NO_TARGET) { GtkNotebookPrivate *priv; GtkNotebook *notebook, *dest_notebook = NULL; GdkDisplay *display; gint x, y; notebook = GTK_NOTEBOOK (widget); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); display = gtk_widget_get_display (widget); gdk_display_get_pointer (display, NULL, &x, &y, NULL); g_signal_emit (notebook, notebook_signals[CREATE_WINDOW], 0, priv->detached_tab->child, x, y, &dest_notebook); if (dest_notebook) do_detach_tab (notebook, dest_notebook, priv->detached_tab->child, 0, 0); return TRUE; } return FALSE; } static gboolean gtk_notebook_switch_tab_timeout (gpointer data) { GtkNotebook *notebook; GtkNotebookPrivate *priv; GList *tab; gint x, y; notebook = GTK_NOTEBOOK (data); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); priv->switch_tab_timer = 0; x = priv->mouse_x; y = priv->mouse_y; if ((tab = get_tab_at_pos (notebook, x, y)) != NULL) { /* FIXME: hack, we don't want the * focus to move fom the source widget */ notebook->child_has_focus = FALSE; gtk_notebook_switch_focus_tab (notebook, tab); } return FALSE; } static gboolean gtk_notebook_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { GtkNotebook *notebook; GtkNotebookPrivate *priv; GdkRectangle position; GtkSettings *settings; GtkNotebookArrow arrow; guint timeout; GdkAtom target, tab_target; notebook = GTK_NOTEBOOK (widget); arrow = gtk_notebook_get_arrow (notebook, x + widget->allocation.x, y + widget->allocation.y); if (arrow) { notebook->click_child = arrow; gtk_notebook_set_scroll_timer (notebook); gdk_drag_status (context, 0, time); return TRUE; } stop_scrolling (notebook); target = gtk_drag_dest_find_target (widget, context, NULL); tab_target = gdk_atom_intern_static_string ("GTK_NOTEBOOK_TAB"); if (target == tab_target) { gpointer widget_group, source_widget_group; GtkWidget *source_widget; source_widget = gtk_drag_get_source_widget (context); g_assert (source_widget); widget_group = gtk_notebook_get_group (notebook); source_widget_group = gtk_notebook_get_group (GTK_NOTEBOOK (source_widget)); if (widget_group && source_widget_group && widget_group == source_widget_group && !(widget == GTK_NOTEBOOK (source_widget)->cur_page->child || gtk_widget_is_ancestor (widget, GTK_NOTEBOOK (source_widget)->cur_page->child))) { gdk_drag_status (context, GDK_ACTION_MOVE, time); return TRUE; } else { /* it's a tab, but doesn't share * ID with this notebook */ gdk_drag_status (context, 0, time); } } priv = GTK_NOTEBOOK_GET_PRIVATE (widget); x += widget->allocation.x; y += widget->allocation.y; if (gtk_notebook_get_event_window_position (notebook, &position) && x >= position.x && x <= position.x + position.width && y >= position.y && y <= position.y + position.height) { priv->mouse_x = x; priv->mouse_y = y; if (!priv->switch_tab_timer) { settings = gtk_widget_get_settings (widget); g_object_get (settings, "gtk-timeout-expand", &timeout, NULL); priv->switch_tab_timer = gdk_threads_add_timeout (timeout, gtk_notebook_switch_tab_timeout, widget); } } else { if (priv->switch_tab_timer) { g_source_remove (priv->switch_tab_timer); priv->switch_tab_timer = 0; } } return (target == tab_target) ? TRUE : FALSE; } static void gtk_notebook_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time) { GtkNotebookPrivate *priv; priv = GTK_NOTEBOOK_GET_PRIVATE (widget); if (priv->switch_tab_timer) { g_source_remove (priv->switch_tab_timer); priv->switch_tab_timer = 0; } stop_scrolling (GTK_NOTEBOOK (widget)); } static gboolean gtk_notebook_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { GdkAtom target, tab_target; target = gtk_drag_dest_find_target (widget, context, NULL); tab_target = gdk_atom_intern_static_string ("GTK_NOTEBOOK_TAB"); if (target == tab_target) { gtk_drag_get_data (widget, context, target, time); return TRUE; } return FALSE; } static void do_detach_tab (GtkNotebook *from, GtkNotebook *to, GtkWidget *child, gint x, gint y) { GtkNotebookPrivate *priv; GtkWidget *tab_label, *menu_label; gboolean tab_expand, tab_fill, reorderable, detachable; GList *element; guint tab_pack; gint page_num; menu_label = gtk_notebook_get_menu_label (from, child); if (menu_label) g_object_ref (menu_label); tab_label = gtk_notebook_get_tab_label (from, child); if (tab_label) g_object_ref (tab_label); g_object_ref (child); gtk_container_child_get (GTK_CONTAINER (from), child, "tab-expand", &tab_expand, "tab-fill", &tab_fill, "tab-pack", &tab_pack, "reorderable", &reorderable, "detachable", &detachable, NULL); gtk_container_remove (GTK_CONTAINER (from), child); priv = GTK_NOTEBOOK_GET_PRIVATE (to); priv->mouse_x = x + GTK_WIDGET (to)->allocation.x; priv->mouse_y = y + GTK_WIDGET (to)->allocation.y; element = get_drop_position (to, tab_pack); page_num = g_list_position (to->children, element); gtk_notebook_insert_page_menu (to, child, tab_label, menu_label, page_num); gtk_container_child_set (GTK_CONTAINER (to), child, "tab-pack", tab_pack, "tab-expand", tab_expand, "tab-fill", tab_fill, "reorderable", reorderable, "detachable", detachable, NULL); if (child) g_object_unref (child); if (tab_label) g_object_unref (tab_label); if (menu_label) g_object_unref (menu_label); gtk_notebook_set_current_page (to, page_num); } static void gtk_notebook_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *data, guint info, guint time) { GtkNotebookPrivate *priv; if (data->target == gdk_atom_intern_static_string ("GTK_NOTEBOOK_TAB")) { priv = GTK_NOTEBOOK_GET_PRIVATE (widget); gtk_selection_data_set (data, data->target, 8, (void*) &priv->detached_tab->child, sizeof (gpointer)); } } static void gtk_notebook_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *data, guint info, guint time) { GtkNotebook *notebook; GtkWidget *source_widget; GtkWidget **child; notebook = GTK_NOTEBOOK (widget); source_widget = gtk_drag_get_source_widget (context); if (source_widget && data->target == gdk_atom_intern_static_string ("GTK_NOTEBOOK_TAB")) { child = (void*) data->data; do_detach_tab (GTK_NOTEBOOK (source_widget), notebook, *child, x, y); gtk_drag_finish (context, TRUE, FALSE, time); } else gtk_drag_finish (context, FALSE, FALSE, time); } /* Private GtkContainer Methods : * * gtk_notebook_set_child_arg * gtk_notebook_get_child_arg * gtk_notebook_add * gtk_notebook_remove * gtk_notebook_focus * gtk_notebook_set_focus_child * gtk_notebook_child_type * gtk_notebook_forall */ static void gtk_notebook_set_child_property (GtkContainer *container, GtkWidget *child, guint property_id, const GValue *value, GParamSpec *pspec) { gboolean expand; gboolean fill; GtkPackType pack_type; /* not finding child's page is valid for menus or labels */ if (!gtk_notebook_find_child (GTK_NOTEBOOK (container), child, NULL)) return; switch (property_id) { case CHILD_PROP_TAB_LABEL: /* a NULL pointer indicates a default_tab setting, otherwise * we need to set the associated label */ gtk_notebook_set_tab_label_text (GTK_NOTEBOOK (container), child, g_value_get_string (value)); break; case CHILD_PROP_MENU_LABEL: gtk_notebook_set_menu_label_text (GTK_NOTEBOOK (container), child, g_value_get_string (value)); break; case CHILD_PROP_POSITION: gtk_notebook_reorder_child (GTK_NOTEBOOK (container), child, g_value_get_int (value)); break; case CHILD_PROP_TAB_EXPAND: gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (container), child, &expand, &fill, &pack_type); gtk_notebook_set_tab_label_packing (GTK_NOTEBOOK (container), child, g_value_get_boolean (value), fill, pack_type); break; case CHILD_PROP_TAB_FILL: gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (container), child, &expand, &fill, &pack_type); gtk_notebook_set_tab_label_packing (GTK_NOTEBOOK (container), child, expand, g_value_get_boolean (value), pack_type); break; case CHILD_PROP_TAB_PACK: gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (container), child, &expand, &fill, &pack_type); gtk_notebook_set_tab_label_packing (GTK_NOTEBOOK (container), child, expand, fill, g_value_get_enum (value)); break; case CHILD_PROP_REORDERABLE: gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (container), child, g_value_get_boolean (value)); break; case CHILD_PROP_DETACHABLE: gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (container), child, g_value_get_boolean (value)); break; default: GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec); break; } } static void gtk_notebook_get_child_property (GtkContainer *container, GtkWidget *child, guint property_id, GValue *value, GParamSpec *pspec) { GList *list; GtkNotebook *notebook; GtkWidget *label; gboolean expand; gboolean fill; GtkPackType pack_type; notebook = GTK_NOTEBOOK (container); /* not finding child's page is valid for menus or labels */ list = gtk_notebook_find_child (notebook, child, NULL); if (!list) { /* nothing to set on labels or menus */ g_param_value_set_default (pspec, value); return; } switch (property_id) { case CHILD_PROP_TAB_LABEL: label = gtk_notebook_get_tab_label (notebook, child); if (GTK_IS_LABEL (label)) g_value_set_string (value, GTK_LABEL (label)->label); else g_value_set_string (value, NULL); break; case CHILD_PROP_MENU_LABEL: label = gtk_notebook_get_menu_label (notebook, child); if (GTK_IS_LABEL (label)) g_value_set_string (value, GTK_LABEL (label)->label); else g_value_set_string (value, NULL); break; case CHILD_PROP_POSITION: g_value_set_int (value, g_list_position (notebook->children, list)); break; case CHILD_PROP_TAB_EXPAND: gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (container), child, &expand, NULL, NULL); g_value_set_boolean (value, expand); break; case CHILD_PROP_TAB_FILL: gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (container), child, NULL, &fill, NULL); g_value_set_boolean (value, fill); break; case CHILD_PROP_TAB_PACK: gtk_notebook_query_tab_label_packing (GTK_NOTEBOOK (container), child, NULL, NULL, &pack_type); g_value_set_enum (value, pack_type); break; case CHILD_PROP_REORDERABLE: g_value_set_boolean (value, gtk_notebook_get_tab_reorderable (GTK_NOTEBOOK (container), child)); break; case CHILD_PROP_DETACHABLE: g_value_set_boolean (value, gtk_notebook_get_tab_detachable (GTK_NOTEBOOK (container), child)); break; default: GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec); break; } } static void gtk_notebook_add (GtkContainer *container, GtkWidget *widget) { gtk_notebook_insert_page_menu (GTK_NOTEBOOK (container), widget, NULL, NULL, -1); } static void gtk_notebook_remove (GtkContainer *container, GtkWidget *widget) { GtkNotebook *notebook; GtkNotebookPage *page; GList *children; gint page_num = 0; notebook = GTK_NOTEBOOK (container); children = notebook->children; while (children) { page = children->data; if (page->child == widget) break; page_num++; children = children->next; } if (children == NULL) return; g_object_ref (widget); gtk_notebook_real_remove (notebook, children); g_signal_emit (notebook, notebook_signals[PAGE_REMOVED], 0, widget, page_num); g_object_unref (widget); } static gboolean focus_tabs_in (GtkNotebook *notebook) { if (notebook->show_tabs && notebook->cur_page) { gtk_widget_grab_focus (GTK_WIDGET (notebook)); gtk_notebook_switch_focus_tab (notebook, g_list_find (notebook->children, notebook->cur_page)); return TRUE; } else return FALSE; } static gboolean focus_tabs_move (GtkNotebook *notebook, GtkDirectionType direction, gint search_direction) { GList *new_page; new_page = gtk_notebook_search_page (notebook, notebook->focus_tab, search_direction, TRUE); if (!new_page) { gboolean wrap_around; g_object_get (gtk_widget_get_settings (GTK_WIDGET (notebook)), "gtk-keynav-wrap-around", &wrap_around, NULL); if (wrap_around) new_page = gtk_notebook_search_page (notebook, NULL, search_direction, TRUE); } if (new_page) gtk_notebook_switch_focus_tab (notebook, new_page); else gtk_widget_error_bell (GTK_WIDGET (notebook)); return TRUE; } static gboolean focus_child_in (GtkNotebook *notebook, GtkDirectionType direction) { if (notebook->cur_page) return gtk_widget_child_focus (notebook->cur_page->child, direction); else return FALSE; } static gboolean focus_action_in (GtkNotebook *notebook, gint action, GtkDirectionType direction) { GtkNotebookPrivate *priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); if (priv->action_widget[action] && gtk_widget_get_visible (priv->action_widget[action])) return gtk_widget_child_focus (priv->action_widget[action], direction); else return FALSE; } /* Focus in the notebook can either be on the pages, or on * the tabs or on the action_widgets. */ static gint gtk_notebook_focus (GtkWidget *widget, GtkDirectionType direction) { GtkNotebookPrivate *priv; GtkWidget *old_focus_child; GtkNotebook *notebook; GtkDirectionType effective_direction; gint first_action; gint last_action; gboolean widget_is_focus; GtkContainer *container; container = GTK_CONTAINER (widget); notebook = GTK_NOTEBOOK (container); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); if (notebook->tab_pos == GTK_POS_TOP || notebook->tab_pos == GTK_POS_LEFT) { first_action = ACTION_WIDGET_START; last_action = ACTION_WIDGET_END; } else { first_action = ACTION_WIDGET_END; last_action = ACTION_WIDGET_START; } if (notebook->focus_out) { notebook->focus_out = FALSE; /* Clear this to catch the wrap-around case */ return FALSE; } widget_is_focus = gtk_widget_is_focus (widget); old_focus_child = container->focus_child; effective_direction = get_effective_direction (notebook, direction); if (old_focus_child) /* Focus on page child or action widget */ { if (gtk_widget_child_focus (old_focus_child, direction)) return TRUE; if (old_focus_child == priv->action_widget[ACTION_WIDGET_START]) { switch (effective_direction) { case GTK_DIR_DOWN: return focus_child_in (notebook, GTK_DIR_TAB_FORWARD); case GTK_DIR_RIGHT: return focus_tabs_in (notebook); case GTK_DIR_LEFT: return FALSE; case GTK_DIR_UP: return FALSE; default: switch (direction) { case GTK_DIR_TAB_FORWARD: if ((notebook->tab_pos == GTK_POS_RIGHT || notebook->tab_pos == GTK_POS_BOTTOM) && focus_child_in (notebook, direction)) return TRUE; return focus_tabs_in (notebook); case GTK_DIR_TAB_BACKWARD: return FALSE; default: g_assert_not_reached (); } } } else if (old_focus_child == priv->action_widget[ACTION_WIDGET_END]) { switch (effective_direction) { case GTK_DIR_DOWN: return focus_child_in (notebook, GTK_DIR_TAB_FORWARD); case GTK_DIR_RIGHT: return FALSE; case GTK_DIR_LEFT: return focus_tabs_in (notebook); case GTK_DIR_UP: return FALSE; default: switch (direction) { case GTK_DIR_TAB_FORWARD: return FALSE; case GTK_DIR_TAB_BACKWARD: if ((notebook->tab_pos == GTK_POS_TOP || notebook->tab_pos == GTK_POS_LEFT) && focus_child_in (notebook, direction)) return TRUE; return focus_tabs_in (notebook); default: g_assert_not_reached (); } } } else { switch (effective_direction) { case GTK_DIR_TAB_BACKWARD: case GTK_DIR_UP: /* Focus onto the tabs */ return focus_tabs_in (notebook); case GTK_DIR_DOWN: case GTK_DIR_LEFT: case GTK_DIR_RIGHT: return FALSE; case GTK_DIR_TAB_FORWARD: return focus_action_in (notebook, last_action, direction); } } } else if (widget_is_focus) /* Focus was on tabs */ { switch (effective_direction) { case GTK_DIR_TAB_BACKWARD: return focus_action_in (notebook, first_action, direction); case GTK_DIR_UP: return FALSE; case GTK_DIR_TAB_FORWARD: if (focus_child_in (notebook, GTK_DIR_TAB_FORWARD)) return TRUE; return focus_action_in (notebook, last_action, direction); case GTK_DIR_DOWN: /* We use TAB_FORWARD rather than direction so that we focus a more * predictable widget for the user; users may be using arrow focusing * in this situation even if they don't usually use arrow focusing. */ return focus_child_in (notebook, GTK_DIR_TAB_FORWARD); case GTK_DIR_LEFT: return focus_tabs_move (notebook, direction, STEP_PREV); case GTK_DIR_RIGHT: return focus_tabs_move (notebook, direction, STEP_NEXT); } } else /* Focus was not on widget */ { switch (effective_direction) { case GTK_DIR_TAB_FORWARD: case GTK_DIR_DOWN: if (focus_action_in (notebook, first_action, direction)) return TRUE; if (focus_tabs_in (notebook)) return TRUE; if (focus_action_in (notebook, last_action, direction)) return TRUE; if (focus_child_in (notebook, direction)) return TRUE; return FALSE; case GTK_DIR_TAB_BACKWARD: if (focus_action_in (notebook, last_action, direction)) return TRUE; if (focus_child_in (notebook, direction)) return TRUE; if (focus_tabs_in (notebook)) return TRUE; if (focus_action_in (notebook, first_action, direction)) return TRUE; case GTK_DIR_UP: case GTK_DIR_LEFT: case GTK_DIR_RIGHT: return focus_child_in (notebook, direction); } } g_assert_not_reached (); return FALSE; } static void gtk_notebook_set_focus_child (GtkContainer *container, GtkWidget *child) { GtkNotebook *notebook = GTK_NOTEBOOK (container); GtkWidget *page_child; GtkWidget *toplevel; /* If the old focus widget was within a page of the notebook, * (child may either be NULL or not in this case), record it * for future use if we switch to the page with a mnemonic. */ toplevel = gtk_widget_get_toplevel (GTK_WIDGET (container)); if (toplevel && gtk_widget_is_toplevel (toplevel)) { page_child = GTK_WINDOW (toplevel)->focus_widget; while (page_child) { if (page_child->parent == GTK_WIDGET (container)) { GList *list = gtk_notebook_find_child (notebook, page_child, NULL); if (list != NULL) { GtkNotebookPage *page = list->data; if (page->last_focus_child) g_object_remove_weak_pointer (G_OBJECT (page->last_focus_child), (gpointer *)&page->last_focus_child); page->last_focus_child = GTK_WINDOW (toplevel)->focus_widget; g_object_add_weak_pointer (G_OBJECT (page->last_focus_child), (gpointer *)&page->last_focus_child); break; } } page_child = page_child->parent; } } if (child) { g_return_if_fail (GTK_IS_WIDGET (child)); notebook->child_has_focus = TRUE; if (!notebook->focus_tab) { GList *children; GtkNotebookPage *page; children = notebook->children; while (children) { page = children->data; if (page->child == child || page->tab_label == child) gtk_notebook_switch_focus_tab (notebook, children); children = children->next; } } } else notebook->child_has_focus = FALSE; GTK_CONTAINER_CLASS (gtk_notebook_parent_class)->set_focus_child (container, child); } static void gtk_notebook_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data) { GtkNotebookPrivate *priv; GtkNotebook *notebook; GList *children; gint i; notebook = GTK_NOTEBOOK (container); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); children = notebook->children; while (children) { GtkNotebookPage *page; page = children->data; children = children->next; (* callback) (page->child, callback_data); if (include_internals) { if (page->tab_label) (* callback) (page->tab_label, callback_data); } } if (include_internals) { for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i]) (* callback) (priv->action_widget[i], callback_data); } } } static GType gtk_notebook_child_type (GtkContainer *container) { return GTK_TYPE_WIDGET; } /* Private GtkNotebook Methods: * * gtk_notebook_real_insert_page */ static void page_visible_cb (GtkWidget *page, GParamSpec *arg, gpointer data) { GtkNotebook *notebook = (GtkNotebook *) data; GList *list; GList *next = NULL; if (notebook->cur_page && notebook->cur_page->child == page && !gtk_widget_get_visible (page)) { list = g_list_find (notebook->children, notebook->cur_page); if (list) { next = gtk_notebook_search_page (notebook, list, STEP_NEXT, TRUE); if (!next) next = gtk_notebook_search_page (notebook, list, STEP_PREV, TRUE); } if (next) gtk_notebook_switch_page (notebook, GTK_NOTEBOOK_PAGE (next)); } } static gint gtk_notebook_real_insert_page (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label, GtkWidget *menu_label, gint position) { GtkNotebookPage *page; gint nchildren; gtk_widget_freeze_child_notify (child); page = g_slice_new0 (GtkNotebookPage); page->child = child; nchildren = g_list_length (notebook->children); if ((position < 0) || (position > nchildren)) position = nchildren; notebook->children = g_list_insert (notebook->children, page, position); if (!tab_label) { page->default_tab = TRUE; if (notebook->show_tabs) tab_label = gtk_label_new (NULL); } page->tab_label = tab_label; page->menu_label = menu_label; page->expand = FALSE; page->fill = TRUE; page->pack = GTK_PACK_START; if (!menu_label) page->default_menu = TRUE; else g_object_ref_sink (page->menu_label); if (notebook->menu) gtk_notebook_menu_item_create (notebook, g_list_find (notebook->children, page)); gtk_widget_set_parent (child, GTK_WIDGET (notebook)); if (tab_label) gtk_widget_set_parent (tab_label, GTK_WIDGET (notebook)); gtk_notebook_update_labels (notebook); if (!notebook->first_tab) notebook->first_tab = notebook->children; /* child visible will be turned on by switch_page below */ if (notebook->cur_page != page) gtk_widget_set_child_visible (child, FALSE); if (tab_label) { if (notebook->show_tabs && gtk_widget_get_visible (child)) gtk_widget_show (tab_label); else gtk_widget_hide (tab_label); page->mnemonic_activate_signal = g_signal_connect (tab_label, "mnemonic-activate", G_CALLBACK (gtk_notebook_mnemonic_activate_switch_page), notebook); } page->notify_visible_handler = g_signal_connect (child, "notify::visible", G_CALLBACK (page_visible_cb), notebook); g_signal_emit (notebook, notebook_signals[PAGE_ADDED], 0, child, position); if (!notebook->cur_page) { gtk_notebook_switch_page (notebook, page); /* focus_tab is set in the switch_page method */ gtk_notebook_switch_focus_tab (notebook, notebook->focus_tab); } gtk_notebook_update_tab_states (notebook); if (notebook->scrollable) gtk_notebook_redraw_arrows (notebook); gtk_widget_child_notify (child, "tab-expand"); gtk_widget_child_notify (child, "tab-fill"); gtk_widget_child_notify (child, "tab-pack"); gtk_widget_child_notify (child, "tab-label"); gtk_widget_child_notify (child, "menu-label"); gtk_widget_child_notify (child, "position"); gtk_widget_thaw_child_notify (child); /* The page-added handler might have reordered the pages, re-get the position */ return gtk_notebook_page_num (notebook, child); } /* Private GtkNotebook Functions: * * gtk_notebook_redraw_tabs * gtk_notebook_real_remove * gtk_notebook_update_labels * gtk_notebook_timer * gtk_notebook_set_scroll_timer * gtk_notebook_page_compare * gtk_notebook_real_page_position * gtk_notebook_search_page */ static void gtk_notebook_redraw_tabs (GtkNotebook *notebook) { GtkWidget *widget; GtkNotebookPage *page; GdkRectangle redraw_rect; gint border; gint tab_pos = get_effective_tab_pos (notebook); widget = GTK_WIDGET (notebook); border = GTK_CONTAINER (notebook)->border_width; if (!gtk_widget_get_mapped (widget) || !notebook->first_tab) return; page = notebook->first_tab->data; redraw_rect.x = border; redraw_rect.y = border; switch (tab_pos) { case GTK_POS_BOTTOM: redraw_rect.y = widget->allocation.height - border - page->allocation.height - widget->style->ythickness; if (page != notebook->cur_page) redraw_rect.y -= widget->style->ythickness; /* fall through */ case GTK_POS_TOP: redraw_rect.width = widget->allocation.width - 2 * border; redraw_rect.height = page->allocation.height + widget->style->ythickness; if (page != notebook->cur_page) redraw_rect.height += widget->style->ythickness; break; case GTK_POS_RIGHT: redraw_rect.x = widget->allocation.width - border - page->allocation.width - widget->style->xthickness; if (page != notebook->cur_page) redraw_rect.x -= widget->style->xthickness; /* fall through */ case GTK_POS_LEFT: redraw_rect.width = page->allocation.width + widget->style->xthickness; redraw_rect.height = widget->allocation.height - 2 * border; if (page != notebook->cur_page) redraw_rect.width += widget->style->xthickness; break; } redraw_rect.x += widget->allocation.x; redraw_rect.y += widget->allocation.y; gdk_window_invalidate_rect (widget->window, &redraw_rect, TRUE); } static void gtk_notebook_redraw_arrows (GtkNotebook *notebook) { if (gtk_widget_get_mapped (GTK_WIDGET (notebook)) && gtk_notebook_show_arrows (notebook)) { GdkRectangle rect; gint i; GtkNotebookArrow arrow[4]; arrow[0] = notebook->has_before_previous ? ARROW_LEFT_BEFORE : ARROW_NONE; arrow[1] = notebook->has_before_next ? ARROW_RIGHT_BEFORE : ARROW_NONE; arrow[2] = notebook->has_after_previous ? ARROW_LEFT_AFTER : ARROW_NONE; arrow[3] = notebook->has_after_next ? ARROW_RIGHT_AFTER : ARROW_NONE; for (i = 0; i < 4; i++) { if (arrow[i] == ARROW_NONE) continue; gtk_notebook_get_arrow_rect (notebook, &rect, arrow[i]); gdk_window_invalidate_rect (GTK_WIDGET (notebook)->window, &rect, FALSE); } } } static gboolean gtk_notebook_timer (GtkNotebook *notebook) { gboolean retval = FALSE; if (notebook->timer) { gtk_notebook_do_arrow (notebook, notebook->click_child); if (notebook->need_timer) { GtkSettings *settings; guint timeout; settings = gtk_widget_get_settings (GTK_WIDGET (notebook)); g_object_get (settings, "gtk-timeout-repeat", &timeout, NULL); notebook->need_timer = FALSE; notebook->timer = gdk_threads_add_timeout (timeout * SCROLL_DELAY_FACTOR, (GSourceFunc) gtk_notebook_timer, (gpointer) notebook); } else retval = TRUE; } return retval; } static void gtk_notebook_set_scroll_timer (GtkNotebook *notebook) { GtkWidget *widget = GTK_WIDGET (notebook); if (!notebook->timer) { GtkSettings *settings = gtk_widget_get_settings (widget); guint timeout; g_object_get (settings, "gtk-timeout-initial", &timeout, NULL); notebook->timer = gdk_threads_add_timeout (timeout, (GSourceFunc) gtk_notebook_timer, (gpointer) notebook); notebook->need_timer = TRUE; } } static gint gtk_notebook_page_compare (gconstpointer a, gconstpointer b) { return (((GtkNotebookPage *) a)->child != b); } static GList* gtk_notebook_find_child (GtkNotebook *notebook, GtkWidget *child, const gchar *function) { GList *list = g_list_find_custom (notebook->children, child, gtk_notebook_page_compare); #ifndef G_DISABLE_CHECKS if (!list && function) g_warning ("%s: unable to find child %p in notebook %p", function, child, notebook); #endif return list; } static void gtk_notebook_remove_tab_label (GtkNotebook *notebook, GtkNotebookPage *page) { if (page->tab_label) { if (page->mnemonic_activate_signal) g_signal_handler_disconnect (page->tab_label, page->mnemonic_activate_signal); page->mnemonic_activate_signal = 0; gtk_widget_set_state (page->tab_label, GTK_STATE_NORMAL); gtk_widget_unparent (page->tab_label); page->tab_label = NULL; } } static void gtk_notebook_real_remove (GtkNotebook *notebook, GList *list) { GtkNotebookPrivate *priv; GtkNotebookPage *page; GList * next_list; gint need_resize = FALSE; GtkWidget *tab_label; gboolean destroying; priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); destroying = GTK_OBJECT_FLAGS (notebook) & GTK_IN_DESTRUCTION; next_list = gtk_notebook_search_page (notebook, list, STEP_NEXT, TRUE); if (!next_list) next_list = gtk_notebook_search_page (notebook, list, STEP_PREV, TRUE); notebook->children = g_list_remove_link (notebook->children, list); if (notebook->cur_page == list->data) { notebook->cur_page = NULL; if (next_list && !destroying) gtk_notebook_switch_page (notebook, GTK_NOTEBOOK_PAGE (next_list)); } if (priv->detached_tab == list->data) priv->detached_tab = NULL; if (list == notebook->first_tab) notebook->first_tab = next_list; if (list == notebook->focus_tab && !destroying) gtk_notebook_switch_focus_tab (notebook, next_list); page = list->data; g_signal_handler_disconnect (page->child, page->notify_visible_handler); if (gtk_widget_get_visible (page->child) && gtk_widget_get_visible (GTK_WIDGET (notebook))) need_resize = TRUE; gtk_widget_unparent (page->child); tab_label = page->tab_label; if (tab_label) { g_object_ref (tab_label); gtk_notebook_remove_tab_label (notebook, page); if (destroying) gtk_widget_destroy (tab_label); g_object_unref (tab_label); } if (notebook->menu) { GtkWidget *parent = page->menu_label->parent; gtk_notebook_menu_label_unparent (parent, NULL); gtk_container_remove (GTK_CONTAINER (notebook->menu), parent); gtk_widget_queue_resize (notebook->menu); } if (!page->default_menu) g_object_unref (page->menu_label); g_list_free (list); if (page->last_focus_child) { g_object_remove_weak_pointer (G_OBJECT (page->last_focus_child), (gpointer *)&page->last_focus_child); page->last_focus_child = NULL; } g_slice_free (GtkNotebookPage, page); gtk_notebook_update_labels (notebook); if (need_resize) gtk_widget_queue_resize (GTK_WIDGET (notebook)); } static void gtk_notebook_update_labels (GtkNotebook *notebook) { GtkNotebookPage *page; GList *list; gchar string[32]; gint page_num = 1; if (!notebook->show_tabs && !notebook->menu) return; for (list = gtk_notebook_search_page (notebook, NULL, STEP_NEXT, FALSE); list; list = gtk_notebook_search_page (notebook, list, STEP_NEXT, FALSE)) { page = list->data; g_snprintf (string, sizeof(string), _("Page %u"), page_num++); if (notebook->show_tabs) { if (page->default_tab) { if (!page->tab_label) { page->tab_label = gtk_label_new (string); gtk_widget_set_parent (page->tab_label, GTK_WIDGET (notebook)); } else gtk_label_set_text (GTK_LABEL (page->tab_label), string); } if (gtk_widget_get_visible (page->child) && !gtk_widget_get_visible (page->tab_label)) gtk_widget_show (page->tab_label); else if (!gtk_widget_get_visible (page->child) && gtk_widget_get_visible (page->tab_label)) gtk_widget_hide (page->tab_label); } if (notebook->menu && page->default_menu) { if (GTK_IS_LABEL (page->tab_label)) gtk_label_set_text (GTK_LABEL (page->menu_label), GTK_LABEL (page->tab_label)->label); else gtk_label_set_text (GTK_LABEL (page->menu_label), string); } } } static gint gtk_notebook_real_page_position (GtkNotebook *notebook, GList *list) { GList *work; gint count_start; for (work = notebook->children, count_start = 0; work && work != list; work = work->next) if (GTK_NOTEBOOK_PAGE (work)->pack == GTK_PACK_START) count_start++; if (!work) return -1; if (GTK_NOTEBOOK_PAGE (list)->pack == GTK_PACK_START) return count_start; return (count_start + g_list_length (list) - 1); } static GList * gtk_notebook_search_page (GtkNotebook *notebook, GList *list, gint direction, gboolean find_visible) { GtkNotebookPage *page = NULL; GList *old_list = NULL; gint flag = 0; switch (direction) { case STEP_PREV: flag = GTK_PACK_END; break; case STEP_NEXT: flag = GTK_PACK_START; break; } if (list) page = list->data; if (!page || page->pack == flag) { if (list) { old_list = list; list = list->next; } else list = notebook->children; while (list) { page = list->data; if (page->pack == flag && (!find_visible || (gtk_widget_get_visible (page->child) && (!page->tab_label || NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page))))) return list; old_list = list; list = list->next; } list = old_list; } else { old_list = list; list = list->prev; } while (list) { page = list->data; if (page->pack != flag && (!find_visible || (gtk_widget_get_visible (page->child) && (!page->tab_label || NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page))))) return list; old_list = list; list = list->prev; } return NULL; } /* Private GtkNotebook Drawing Functions: * * gtk_notebook_paint * gtk_notebook_draw_tab * gtk_notebook_draw_arrow */ static void gtk_notebook_paint (GtkWidget *widget, GdkRectangle *area) { GtkNotebook *notebook; GtkNotebookPrivate *priv; GtkNotebookPage *page; GList *children; gboolean showarrow; gint width, height; gint x, y; gint border_width = GTK_CONTAINER (widget)->border_width; gint gap_x = 0, gap_width = 0, step = STEP_PREV; gboolean is_rtl; gint tab_pos; if (!gtk_widget_is_drawable (widget)) return; notebook = GTK_NOTEBOOK (widget); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; tab_pos = get_effective_tab_pos (notebook); if ((!notebook->show_tabs && !notebook->show_border) || !notebook->cur_page || !gtk_widget_get_visible (notebook->cur_page->child)) return; x = widget->allocation.x + border_width; y = widget->allocation.y + border_width; width = widget->allocation.width - border_width * 2; height = widget->allocation.height - border_width * 2; if (notebook->show_border && (!notebook->show_tabs || !notebook->children)) { gtk_paint_box (widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_OUT, area, widget, "notebook", x, y, width, height); return; } if (!notebook->first_tab) notebook->first_tab = notebook->children; if (!gtk_widget_get_mapped (notebook->cur_page->tab_label)) page = GTK_NOTEBOOK_PAGE (notebook->first_tab); else page = notebook->cur_page; switch (tab_pos) { case GTK_POS_TOP: y += page->allocation.height; /* fall thru */ case GTK_POS_BOTTOM: height -= page->allocation.height; break; case GTK_POS_LEFT: x += page->allocation.width; /* fall thru */ case GTK_POS_RIGHT: width -= page->allocation.width; break; } if (!NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, notebook->cur_page) || !gtk_widget_get_mapped (notebook->cur_page->tab_label)) { gap_x = 0; gap_width = 0; } else { switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: if (priv->operation == DRAG_OPERATION_REORDER) gap_x = priv->drag_window_x - widget->allocation.x - border_width; else gap_x = notebook->cur_page->allocation.x - widget->allocation.x - border_width; gap_width = notebook->cur_page->allocation.width; step = is_rtl ? STEP_NEXT : STEP_PREV; break; case GTK_POS_LEFT: case GTK_POS_RIGHT: if (priv->operation == DRAG_OPERATION_REORDER) gap_x = priv->drag_window_y - border_width - widget->allocation.y; else gap_x = notebook->cur_page->allocation.y - widget->allocation.y - border_width; gap_width = notebook->cur_page->allocation.height; step = STEP_PREV; break; } } gtk_paint_box_gap (widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_OUT, area, widget, "notebook", x, y, width, height, tab_pos, gap_x, gap_width); showarrow = FALSE; children = gtk_notebook_search_page (notebook, NULL, step, TRUE); while (children) { page = children->data; children = gtk_notebook_search_page (notebook, children, step, TRUE); if (!gtk_widget_get_visible (page->child)) continue; if (!gtk_widget_get_mapped (page->tab_label)) showarrow = TRUE; else if (page != notebook->cur_page) gtk_notebook_draw_tab (notebook, page, area); } if (showarrow && notebook->scrollable) { if (notebook->has_before_previous) gtk_notebook_draw_arrow (notebook, ARROW_LEFT_BEFORE); if (notebook->has_before_next) gtk_notebook_draw_arrow (notebook, ARROW_RIGHT_BEFORE); if (notebook->has_after_previous) gtk_notebook_draw_arrow (notebook, ARROW_LEFT_AFTER); if (notebook->has_after_next) gtk_notebook_draw_arrow (notebook, ARROW_RIGHT_AFTER); } gtk_notebook_draw_tab (notebook, notebook->cur_page, area); } static void gtk_notebook_draw_tab (GtkNotebook *notebook, GtkNotebookPage *page, GdkRectangle *area) { GtkNotebookPrivate *priv; GdkRectangle child_area; GdkRectangle page_area; GtkStateType state_type; GtkPositionType gap_side; GdkWindow *window; GtkWidget *widget; if (!NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) || !gtk_widget_get_mapped (page->tab_label) || (page->allocation.width == 0) || (page->allocation.height == 0)) return; widget = GTK_WIDGET (notebook); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); if (priv->operation == DRAG_OPERATION_REORDER && page == notebook->cur_page) window = priv->drag_window; else window = widget->window; page_area.x = page->allocation.x; page_area.y = page->allocation.y; page_area.width = page->allocation.width; page_area.height = page->allocation.height; if (gdk_rectangle_intersect (&page_area, area, &child_area)) { gap_side = get_tab_gap_pos (notebook); if (notebook->cur_page == page) state_type = GTK_STATE_NORMAL; else state_type = GTK_STATE_ACTIVE; gtk_paint_extension (widget->style, window, state_type, GTK_SHADOW_OUT, area, widget, "tab", page_area.x, page_area.y, page_area.width, page_area.height, gap_side); } } static void gtk_notebook_draw_arrow (GtkNotebook *notebook, GtkNotebookArrow nbarrow) { GtkStateType state_type; GtkShadowType shadow_type; GtkWidget *widget; GdkRectangle arrow_rect; GtkArrowType arrow; gboolean is_rtl, left; widget = GTK_WIDGET (notebook); if (gtk_widget_is_drawable (widget)) { gint scroll_arrow_hlength; gint scroll_arrow_vlength; gint arrow_size; gtk_notebook_get_arrow_rect (notebook, &arrow_rect, nbarrow); is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; left = (ARROW_IS_LEFT (nbarrow) && !is_rtl) || (!ARROW_IS_LEFT (nbarrow) && is_rtl); gtk_widget_style_get (widget, "scroll-arrow-hlength", &scroll_arrow_hlength, "scroll-arrow-vlength", &scroll_arrow_vlength, NULL); if (notebook->in_child == nbarrow) { if (notebook->click_child == nbarrow) state_type = GTK_STATE_ACTIVE; else state_type = GTK_STATE_PRELIGHT; } else state_type = gtk_widget_get_state (widget); if (notebook->click_child == nbarrow) shadow_type = GTK_SHADOW_IN; else shadow_type = GTK_SHADOW_OUT; if (notebook->focus_tab && !gtk_notebook_search_page (notebook, notebook->focus_tab, left ? STEP_PREV : STEP_NEXT, TRUE)) { shadow_type = GTK_SHADOW_ETCHED_IN; state_type = GTK_STATE_INSENSITIVE; } if (notebook->tab_pos == GTK_POS_LEFT || notebook->tab_pos == GTK_POS_RIGHT) { arrow = (ARROW_IS_LEFT (nbarrow) ? GTK_ARROW_UP : GTK_ARROW_DOWN); arrow_size = scroll_arrow_vlength; } else { arrow = (ARROW_IS_LEFT (nbarrow) ? GTK_ARROW_LEFT : GTK_ARROW_RIGHT); arrow_size = scroll_arrow_hlength; } gtk_paint_arrow (widget->style, widget->window, state_type, shadow_type, NULL, widget, "notebook", arrow, TRUE, arrow_rect.x, arrow_rect.y, arrow_size, arrow_size); } } /* Private GtkNotebook Size Allocate Functions: * * gtk_notebook_tab_space * gtk_notebook_calculate_shown_tabs * gtk_notebook_calculate_tabs_allocation * gtk_notebook_pages_allocate * gtk_notebook_page_allocate * gtk_notebook_calc_tabs */ static void gtk_notebook_tab_space (GtkNotebook *notebook, gboolean *show_arrows, gint *min, gint *max, gint *tab_space) { GtkNotebookPrivate *priv; GtkWidget *widget; GList *children; gint tab_pos = get_effective_tab_pos (notebook); gint tab_overlap; gint arrow_spacing; gint scroll_arrow_hlength; gint scroll_arrow_vlength; gboolean is_rtl; gint i; widget = GTK_WIDGET (notebook); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); children = notebook->children; is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL; gtk_widget_style_get (GTK_WIDGET (notebook), "arrow-spacing", &arrow_spacing, "scroll-arrow-hlength", &scroll_arrow_hlength, "scroll-arrow-vlength", &scroll_arrow_vlength, NULL); switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: *min = widget->allocation.x + GTK_CONTAINER (notebook)->border_width; *max = widget->allocation.x + widget->allocation.width - GTK_CONTAINER (notebook)->border_width; for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i]) { if ((i == ACTION_WIDGET_START && !is_rtl) || (i == ACTION_WIDGET_END && is_rtl)) *min += priv->action_widget[i]->allocation.width + widget->style->xthickness; else *max -= priv->action_widget[i]->allocation.width + widget->style->xthickness; } } while (children) { GtkNotebookPage *page; page = children->data; children = children->next; if (NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) && gtk_widget_get_visible (page->child)) *tab_space += page->requisition.width; } break; case GTK_POS_RIGHT: case GTK_POS_LEFT: *min = widget->allocation.y + GTK_CONTAINER (notebook)->border_width; *max = widget->allocation.y + widget->allocation.height - GTK_CONTAINER (notebook)->border_width; for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i]) { if (i == ACTION_WIDGET_START) *min += priv->action_widget[i]->allocation.height + widget->style->ythickness; else *max -= priv->action_widget[i]->allocation.height + widget->style->ythickness; } } while (children) { GtkNotebookPage *page; page = children->data; children = children->next; if (NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) && gtk_widget_get_visible (page->child)) *tab_space += page->requisition.height; } break; } if (!notebook->scrollable) *show_arrows = FALSE; else { gtk_widget_style_get (widget, "tab-overlap", &tab_overlap, NULL); switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: if (*tab_space > *max - *min - tab_overlap) { *show_arrows = TRUE; /* take arrows into account */ *tab_space = *max - *min - tab_overlap; if (notebook->has_after_previous) { *tab_space -= arrow_spacing + scroll_arrow_hlength; *max -= arrow_spacing + scroll_arrow_hlength; } if (notebook->has_after_next) { *tab_space -= arrow_spacing + scroll_arrow_hlength; *max -= arrow_spacing + scroll_arrow_hlength; } if (notebook->has_before_previous) { *tab_space -= arrow_spacing + scroll_arrow_hlength; *min += arrow_spacing + scroll_arrow_hlength; } if (notebook->has_before_next) { *tab_space -= arrow_spacing + scroll_arrow_hlength; *min += arrow_spacing + scroll_arrow_hlength; } } break; case GTK_POS_LEFT: case GTK_POS_RIGHT: if (*tab_space > *max - *min - tab_overlap) { *show_arrows = TRUE; /* take arrows into account */ *tab_space = *max - *min - tab_overlap; if (notebook->has_after_previous || notebook->has_after_next) { *tab_space -= arrow_spacing + scroll_arrow_vlength; *max -= arrow_spacing + scroll_arrow_vlength; } if (notebook->has_before_previous || notebook->has_before_next) { *tab_space -= arrow_spacing + scroll_arrow_vlength; *min += arrow_spacing + scroll_arrow_vlength; } } break; } } } static void gtk_notebook_calculate_shown_tabs (GtkNotebook *notebook, gboolean show_arrows, gint min, gint max, gint tab_space, GList **last_child, gint *n, gint *remaining_space) { GtkWidget *widget; GtkContainer *container; GList *children; GtkNotebookPage *page; gint tab_pos, tab_overlap; widget = GTK_WIDGET (notebook); container = GTK_CONTAINER (notebook); gtk_widget_style_get (widget, "tab-overlap", &tab_overlap, NULL); tab_pos = get_effective_tab_pos (notebook); if (show_arrows) /* first_tab <- focus_tab */ { *remaining_space = tab_space; if (NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, notebook->cur_page) && gtk_widget_get_visible (notebook->cur_page->child)) { gtk_notebook_calc_tabs (notebook, notebook->focus_tab, &(notebook->focus_tab), remaining_space, STEP_NEXT); } if (tab_space <= 0 || *remaining_space <= 0) { /* show 1 tab */ notebook->first_tab = notebook->focus_tab; *last_child = gtk_notebook_search_page (notebook, notebook->focus_tab, STEP_NEXT, TRUE); page = notebook->first_tab->data; *remaining_space = tab_space - page->requisition.width; *n = 1; } else { children = NULL; if (notebook->first_tab && notebook->first_tab != notebook->focus_tab) { /* Is first_tab really predecessor of focus_tab? */ page = notebook->first_tab->data; if (NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) && gtk_widget_get_visible (page->child)) for (children = notebook->focus_tab; children && children != notebook->first_tab; children = gtk_notebook_search_page (notebook, children, STEP_PREV, TRUE)); } if (!children) { if (NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, notebook->cur_page)) notebook->first_tab = notebook->focus_tab; else notebook->first_tab = gtk_notebook_search_page (notebook, notebook->focus_tab, STEP_NEXT, TRUE); } else /* calculate shown tabs counting backwards from the focus tab */ gtk_notebook_calc_tabs (notebook, gtk_notebook_search_page (notebook, notebook->focus_tab, STEP_PREV, TRUE), &(notebook->first_tab), remaining_space, STEP_PREV); if (*remaining_space < 0) { notebook->first_tab = gtk_notebook_search_page (notebook, notebook->first_tab, STEP_NEXT, TRUE); if (!notebook->first_tab) notebook->first_tab = notebook->focus_tab; *last_child = gtk_notebook_search_page (notebook, notebook->focus_tab, STEP_NEXT, TRUE); } else /* focus_tab -> end */ { if (!notebook->first_tab) notebook->first_tab = gtk_notebook_search_page (notebook, NULL, STEP_NEXT, TRUE); children = NULL; gtk_notebook_calc_tabs (notebook, gtk_notebook_search_page (notebook, notebook->focus_tab, STEP_NEXT, TRUE), &children, remaining_space, STEP_NEXT); if (*remaining_space <= 0) *last_child = children; else /* start <- first_tab */ { *last_child = NULL; children = NULL; gtk_notebook_calc_tabs (notebook, gtk_notebook_search_page (notebook, notebook->first_tab, STEP_PREV, TRUE), &children, remaining_space, STEP_PREV); if (*remaining_space == 0) notebook->first_tab = children; else notebook->first_tab = gtk_notebook_search_page(notebook, children, STEP_NEXT, TRUE); } } if (*remaining_space < 0) { /* calculate number of tabs */ *remaining_space = - (*remaining_space); *n = 0; for (children = notebook->first_tab; children && children != *last_child; children = gtk_notebook_search_page (notebook, children, STEP_NEXT, TRUE)) (*n)++; } else *remaining_space = 0; } /* unmap all non-visible tabs */ for (children = gtk_notebook_search_page (notebook, NULL, STEP_NEXT, TRUE); children && children != notebook->first_tab; children = gtk_notebook_search_page (notebook, children, STEP_NEXT, TRUE)) { page = children->data; if (page->tab_label && NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page)) gtk_widget_set_child_visible (page->tab_label, FALSE); } for (children = *last_child; children; children = gtk_notebook_search_page (notebook, children, STEP_NEXT, TRUE)) { page = children->data; if (page->tab_label && NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page)) gtk_widget_set_child_visible (page->tab_label, FALSE); } } else /* !show_arrows */ { gint c = 0; *n = 0; *remaining_space = max - min - tab_overlap - tab_space; children = notebook->children; notebook->first_tab = gtk_notebook_search_page (notebook, NULL, STEP_NEXT, TRUE); while (children) { page = children->data; children = children->next; if (!NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) || !gtk_widget_get_visible (page->child)) continue; c++; if (page->expand) (*n)++; } /* if notebook is homogeneous, all tabs are expanded */ if (notebook->homogeneous && *n) *n = c; } } static gboolean get_allocate_at_bottom (GtkWidget *widget, gint search_direction) { gboolean is_rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL); gboolean tab_pos = get_effective_tab_pos (GTK_NOTEBOOK (widget)); switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: if (!is_rtl) return (search_direction == STEP_PREV); else return (search_direction == STEP_NEXT); break; case GTK_POS_RIGHT: case GTK_POS_LEFT: return (search_direction == STEP_PREV); break; } return FALSE; } static void gtk_notebook_calculate_tabs_allocation (GtkNotebook *notebook, GList **children, GList *last_child, gboolean showarrow, gint direction, gint *remaining_space, gint *expanded_tabs, gint min, gint max) { GtkWidget *widget; GtkContainer *container; GtkNotebookPrivate *priv; GtkNotebookPage *page; gboolean allocate_at_bottom; gint tab_overlap, tab_pos, tab_extra_space; gint left_x, right_x, top_y, bottom_y, anchor; gint xthickness, ythickness; gboolean gap_left, packing_changed; GtkAllocation child_allocation = { 0, }; widget = GTK_WIDGET (notebook); container = GTK_CONTAINER (notebook); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); gtk_widget_style_get (widget, "tab-overlap", &tab_overlap, NULL); tab_pos = get_effective_tab_pos (notebook); allocate_at_bottom = get_allocate_at_bottom (widget, direction); anchor = 0; child_allocation.x = widget->allocation.x + container->border_width; child_allocation.y = widget->allocation.y + container->border_width; xthickness = widget->style->xthickness; ythickness = widget->style->ythickness; switch (tab_pos) { case GTK_POS_BOTTOM: child_allocation.y = widget->allocation.y + widget->allocation.height - notebook->cur_page->requisition.height - container->border_width; /* fall through */ case GTK_POS_TOP: child_allocation.x = (allocate_at_bottom) ? max : min; child_allocation.height = notebook->cur_page->requisition.height; anchor = child_allocation.x; break; case GTK_POS_RIGHT: child_allocation.x = widget->allocation.x + widget->allocation.width - notebook->cur_page->requisition.width - container->border_width; /* fall through */ case GTK_POS_LEFT: child_allocation.y = (allocate_at_bottom) ? max : min; child_allocation.width = notebook->cur_page->requisition.width; anchor = child_allocation.y; break; } left_x = CLAMP (priv->mouse_x - priv->drag_offset_x, min, max - notebook->cur_page->allocation.width); top_y = CLAMP (priv->mouse_y - priv->drag_offset_y, min, max - notebook->cur_page->allocation.height); right_x = left_x + notebook->cur_page->allocation.width; bottom_y = top_y + notebook->cur_page->allocation.height; gap_left = packing_changed = FALSE; while (*children && *children != last_child) { page = (*children)->data; if (direction == STEP_NEXT && page->pack != GTK_PACK_START) { if (!showarrow) break; else if (priv->operation == DRAG_OPERATION_REORDER) packing_changed = TRUE; } if (direction == STEP_NEXT) *children = gtk_notebook_search_page (notebook, *children, direction, TRUE); else { *children = (*children)->next; if (page->pack != GTK_PACK_END || !gtk_widget_get_visible (page->child)) continue; } if (!NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page)) continue; tab_extra_space = 0; if (*expanded_tabs && (showarrow || page->expand || notebook->homogeneous)) { tab_extra_space = *remaining_space / *expanded_tabs; *remaining_space -= tab_extra_space; (*expanded_tabs)--; } switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: child_allocation.width = page->requisition.width + tab_overlap + tab_extra_space; /* make sure that the reordered tab doesn't go past the last position */ if (priv->operation == DRAG_OPERATION_REORDER && !gap_left && packing_changed) { if (!allocate_at_bottom) { if ((notebook->cur_page->pack == GTK_PACK_START && left_x >= anchor) || (notebook->cur_page->pack == GTK_PACK_END && left_x < anchor)) { left_x = priv->drag_window_x = anchor; anchor += notebook->cur_page->allocation.width - tab_overlap; } } else { if ((notebook->cur_page->pack == GTK_PACK_START && right_x <= anchor) || (notebook->cur_page->pack == GTK_PACK_END && right_x > anchor)) { anchor -= notebook->cur_page->allocation.width; left_x = priv->drag_window_x = anchor; anchor += tab_overlap; } } gap_left = TRUE; } if (priv->operation == DRAG_OPERATION_REORDER && page == notebook->cur_page) { priv->drag_window_x = left_x; priv->drag_window_y = child_allocation.y; } else { if (allocate_at_bottom) anchor -= child_allocation.width; if (priv->operation == DRAG_OPERATION_REORDER && page->pack == notebook->cur_page->pack) { if (!allocate_at_bottom && left_x >= anchor && left_x <= anchor + child_allocation.width / 2) anchor += notebook->cur_page->allocation.width - tab_overlap; else if (allocate_at_bottom && right_x >= anchor + child_allocation.width / 2 && right_x <= anchor + child_allocation.width) anchor -= notebook->cur_page->allocation.width - tab_overlap; } child_allocation.x = anchor; } break; case GTK_POS_LEFT: case GTK_POS_RIGHT: child_allocation.height = page->requisition.height + tab_overlap + tab_extra_space; /* make sure that the reordered tab doesn't go past the last position */ if (priv->operation == DRAG_OPERATION_REORDER && !gap_left && packing_changed) { if (!allocate_at_bottom && ((notebook->cur_page->pack == GTK_PACK_START && top_y >= anchor) || (notebook->cur_page->pack == GTK_PACK_END && top_y < anchor))) { top_y = priv->drag_window_y = anchor; anchor += notebook->cur_page->allocation.height - tab_overlap; } gap_left = TRUE; } if (priv->operation == DRAG_OPERATION_REORDER && page == notebook->cur_page) { priv->drag_window_x = child_allocation.x; priv->drag_window_y = top_y; } else { if (allocate_at_bottom) anchor -= child_allocation.height; if (priv->operation == DRAG_OPERATION_REORDER && page->pack == notebook->cur_page->pack) { if (!allocate_at_bottom && top_y >= anchor && top_y <= anchor + child_allocation.height / 2) anchor += notebook->cur_page->allocation.height - tab_overlap; else if (allocate_at_bottom && bottom_y >= anchor + child_allocation.height / 2 && bottom_y <= anchor + child_allocation.height) anchor -= notebook->cur_page->allocation.height - tab_overlap; } child_allocation.y = anchor; } break; } page->allocation = child_allocation; if ((page == priv->detached_tab && priv->operation == DRAG_OPERATION_DETACH) || (page == notebook->cur_page && priv->operation == DRAG_OPERATION_REORDER)) { /* needs to be allocated at 0,0 * to be shown in the drag window */ page->allocation.x = 0; page->allocation.y = 0; } if (page != notebook->cur_page) { switch (tab_pos) { case GTK_POS_TOP: page->allocation.y += ythickness; /* fall through */ case GTK_POS_BOTTOM: page->allocation.height = MAX (1, page->allocation.height - ythickness); break; case GTK_POS_LEFT: page->allocation.x += xthickness; /* fall through */ case GTK_POS_RIGHT: page->allocation.width = MAX (1, page->allocation.width - xthickness); break; } } /* calculate whether to leave a gap based on reorder operation or not */ switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: if (priv->operation != DRAG_OPERATION_REORDER || (priv->operation == DRAG_OPERATION_REORDER && page != notebook->cur_page)) { if (priv->operation == DRAG_OPERATION_REORDER) { if (page->pack == notebook->cur_page->pack && !allocate_at_bottom && left_x > anchor + child_allocation.width / 2 && left_x <= anchor + child_allocation.width) anchor += notebook->cur_page->allocation.width - tab_overlap; else if (page->pack == notebook->cur_page->pack && allocate_at_bottom && right_x >= anchor && right_x <= anchor + child_allocation.width / 2) anchor -= notebook->cur_page->allocation.width - tab_overlap; } if (!allocate_at_bottom) anchor += child_allocation.width - tab_overlap; else anchor += tab_overlap; } break; case GTK_POS_LEFT: case GTK_POS_RIGHT: if (priv->operation != DRAG_OPERATION_REORDER || (priv->operation == DRAG_OPERATION_REORDER && page != notebook->cur_page)) { if (priv->operation == DRAG_OPERATION_REORDER) { if (page->pack == notebook->cur_page->pack && !allocate_at_bottom && top_y >= anchor + child_allocation.height / 2 && top_y <= anchor + child_allocation.height) anchor += notebook->cur_page->allocation.height - tab_overlap; else if (page->pack == notebook->cur_page->pack && allocate_at_bottom && bottom_y >= anchor && bottom_y <= anchor + child_allocation.height / 2) anchor -= notebook->cur_page->allocation.height - tab_overlap; } if (!allocate_at_bottom) anchor += child_allocation.height - tab_overlap; else anchor += tab_overlap; } break; } /* set child visible */ if (page->tab_label) gtk_widget_set_child_visible (page->tab_label, TRUE); } /* Don't move the current tab past the last position during tabs reordering */ if (children && priv->operation == DRAG_OPERATION_REORDER && ((direction == STEP_NEXT && notebook->cur_page->pack == GTK_PACK_START) || ((direction == STEP_PREV || packing_changed) && notebook->cur_page->pack == GTK_PACK_END))) { switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: if (allocate_at_bottom) anchor -= notebook->cur_page->allocation.width; if ((!allocate_at_bottom && priv->drag_window_x > anchor) || (allocate_at_bottom && priv->drag_window_x < anchor)) priv->drag_window_x = anchor; break; case GTK_POS_LEFT: case GTK_POS_RIGHT: if (allocate_at_bottom) anchor -= notebook->cur_page->allocation.height; if ((!allocate_at_bottom && priv->drag_window_y > anchor) || (allocate_at_bottom && priv->drag_window_y < anchor)) priv->drag_window_y = anchor; break; } } } static void gtk_notebook_pages_allocate (GtkNotebook *notebook) { GList *children = NULL; GList *last_child = NULL; gboolean showarrow = FALSE; gint tab_space, min, max, remaining_space; gint expanded_tabs, operation; gboolean tab_allocations_changed = FALSE; if (!notebook->show_tabs || !notebook->children || !notebook->cur_page) return; min = max = tab_space = remaining_space = 0; expanded_tabs = 1; gtk_notebook_tab_space (notebook, &showarrow, &min, &max, &tab_space); gtk_notebook_calculate_shown_tabs (notebook, showarrow, min, max, tab_space, &last_child, &expanded_tabs, &remaining_space); children = notebook->first_tab; gtk_notebook_calculate_tabs_allocation (notebook, &children, last_child, showarrow, STEP_NEXT, &remaining_space, &expanded_tabs, min, max); if (children && children != last_child) { children = notebook->children; gtk_notebook_calculate_tabs_allocation (notebook, &children, last_child, showarrow, STEP_PREV, &remaining_space, &expanded_tabs, min, max); } children = notebook->children; while (children) { if (gtk_notebook_page_allocate (notebook, GTK_NOTEBOOK_PAGE (children))) tab_allocations_changed = TRUE; children = children->next; } operation = GTK_NOTEBOOK_GET_PRIVATE (notebook)->operation; if (!notebook->first_tab) notebook->first_tab = notebook->children; if (tab_allocations_changed) gtk_notebook_redraw_tabs (notebook); } static gboolean gtk_notebook_page_allocate (GtkNotebook *notebook, GtkNotebookPage *page) { GtkWidget *widget = GTK_WIDGET (notebook); GtkAllocation child_allocation; GtkRequisition tab_requisition; gint xthickness; gint ythickness; gint padding; gint focus_width; gint tab_curvature; gint tab_pos = get_effective_tab_pos (notebook); gboolean tab_allocation_changed; gboolean was_visible = page->tab_allocated_visible; if (!page->tab_label || !gtk_widget_get_visible (page->tab_label) || !gtk_widget_get_child_visible (page->tab_label)) { page->tab_allocated_visible = FALSE; return was_visible; } xthickness = widget->style->xthickness; ythickness = widget->style->ythickness; gtk_widget_get_child_requisition (page->tab_label, &tab_requisition); gtk_widget_style_get (widget, "focus-line-width", &focus_width, "tab-curvature", &tab_curvature, NULL); switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: padding = tab_curvature + focus_width + notebook->tab_hborder; if (page->fill) { child_allocation.x = xthickness + focus_width + notebook->tab_hborder; child_allocation.width = MAX (1, page->allocation.width - 2 * child_allocation.x); child_allocation.x += page->allocation.x; } else { child_allocation.x = page->allocation.x + (page->allocation.width - tab_requisition.width) / 2; child_allocation.width = tab_requisition.width; } child_allocation.y = notebook->tab_vborder + focus_width + page->allocation.y; if (tab_pos == GTK_POS_TOP) child_allocation.y += ythickness; child_allocation.height = MAX (1, (page->allocation.height - ythickness - 2 * (notebook->tab_vborder + focus_width))); break; case GTK_POS_LEFT: case GTK_POS_RIGHT: padding = tab_curvature + focus_width + notebook->tab_vborder; if (page->fill) { child_allocation.y = ythickness + padding; child_allocation.height = MAX (1, (page->allocation.height - 2 * child_allocation.y)); child_allocation.y += page->allocation.y; } else { child_allocation.y = page->allocation.y + (page->allocation.height - tab_requisition.height) / 2; child_allocation.height = tab_requisition.height; } child_allocation.x = notebook->tab_hborder + focus_width + page->allocation.x; if (tab_pos == GTK_POS_LEFT) child_allocation.x += xthickness; child_allocation.width = MAX (1, (page->allocation.width - xthickness - 2 * (notebook->tab_hborder + focus_width))); break; } tab_allocation_changed = (child_allocation.x != page->tab_label->allocation.x || child_allocation.y != page->tab_label->allocation.y || child_allocation.width != page->tab_label->allocation.width || child_allocation.height != page->tab_label->allocation.height); gtk_widget_size_allocate (page->tab_label, &child_allocation); if (!was_visible) { page->tab_allocated_visible = TRUE; tab_allocation_changed = TRUE; } return tab_allocation_changed; } static void gtk_notebook_calc_tabs (GtkNotebook *notebook, GList *start, GList **end, gint *tab_space, guint direction) { GtkNotebookPage *page = NULL; GList *children; GList *last_list = NULL; GList *last_calculated_child = NULL; gboolean pack; gint tab_pos = get_effective_tab_pos (notebook); guint real_direction; if (!start) return; children = start; pack = GTK_NOTEBOOK_PAGE (start)->pack; if (pack == GTK_PACK_END) real_direction = (direction == STEP_PREV) ? STEP_NEXT : STEP_PREV; else real_direction = direction; while (1) { switch (tab_pos) { case GTK_POS_TOP: case GTK_POS_BOTTOM: while (children) { page = children->data; if (NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) && gtk_widget_get_visible (page->child)) { if (page->pack == pack) { *tab_space -= page->requisition.width; if (*tab_space < 0 || children == *end) { if (*tab_space < 0) { *tab_space = - (*tab_space + page->requisition.width); if (*tab_space == 0 && direction == STEP_PREV) children = last_calculated_child; *end = children; } return; } last_calculated_child = children; } last_list = children; } if (real_direction == STEP_NEXT) children = children->next; else children = children->prev; } break; case GTK_POS_LEFT: case GTK_POS_RIGHT: while (children) { page = children->data; if (NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) && gtk_widget_get_visible (page->child)) { if (page->pack == pack) { *tab_space -= page->requisition.height; if (*tab_space < 0 || children == *end) { if (*tab_space < 0) { *tab_space = - (*tab_space + page->requisition.height); if (*tab_space == 0 && direction == STEP_PREV) children = last_calculated_child; *end = children; } return; } last_calculated_child = children; } last_list = children; } if (real_direction == STEP_NEXT) children = children->next; else children = children->prev; } break; } if (real_direction == STEP_PREV) return; pack = (pack == GTK_PACK_END) ? GTK_PACK_START : GTK_PACK_END; real_direction = STEP_PREV; children = last_list; } } static void gtk_notebook_update_tab_states (GtkNotebook *notebook) { GList *list; for (list = notebook->children; list != NULL; list = list->next) { GtkNotebookPage *page = list->data; if (page->tab_label) { if (page == notebook->cur_page) gtk_widget_set_state (page->tab_label, GTK_STATE_NORMAL); else gtk_widget_set_state (page->tab_label, GTK_STATE_ACTIVE); } } } /* Private GtkNotebook Page Switch Methods: * * gtk_notebook_real_switch_page */ static void gtk_notebook_real_switch_page (GtkNotebook *notebook, GtkNotebookPage* child, guint page_num) { GList *list = gtk_notebook_find_child (notebook, GTK_WIDGET (child), NULL); GtkNotebookPage *page = GTK_NOTEBOOK_PAGE (list); gboolean child_has_focus; if (notebook->cur_page == page || !gtk_widget_get_visible (GTK_WIDGET (child))) return; /* save the value here, changing visibility changes focus */ child_has_focus = notebook->child_has_focus; if (notebook->cur_page) gtk_widget_set_child_visible (notebook->cur_page->child, FALSE); notebook->cur_page = page; if (!notebook->focus_tab || notebook->focus_tab->data != (gpointer) notebook->cur_page) notebook->focus_tab = g_list_find (notebook->children, notebook->cur_page); gtk_widget_set_child_visible (notebook->cur_page->child, TRUE); /* If the focus was on the previous page, move it to the first * element on the new page, if possible, or if not, to the * notebook itself. */ if (child_has_focus) { if (notebook->cur_page->last_focus_child && gtk_widget_is_ancestor (notebook->cur_page->last_focus_child, notebook->cur_page->child)) gtk_widget_grab_focus (notebook->cur_page->last_focus_child); else if (!gtk_widget_child_focus (notebook->cur_page->child, GTK_DIR_TAB_FORWARD)) gtk_widget_grab_focus (GTK_WIDGET (notebook)); } gtk_notebook_update_tab_states (notebook); gtk_widget_queue_resize (GTK_WIDGET (notebook)); g_object_notify (G_OBJECT (notebook), "page"); } /* Private GtkNotebook Page Switch Functions: * * gtk_notebook_switch_page * gtk_notebook_page_select * gtk_notebook_switch_focus_tab * gtk_notebook_menu_switch_page */ static void gtk_notebook_switch_page (GtkNotebook *notebook, GtkNotebookPage *page) { guint page_num; if (notebook->cur_page == page) return; page_num = g_list_index (notebook->children, page); g_signal_emit (notebook, notebook_signals[SWITCH_PAGE], 0, page->child, page_num); } static gint gtk_notebook_page_select (GtkNotebook *notebook, gboolean move_focus) { GtkNotebookPage *page; GtkDirectionType dir = GTK_DIR_DOWN; /* Quiet GCC */ gint tab_pos = get_effective_tab_pos (notebook); if (!notebook->focus_tab) return FALSE; page = notebook->focus_tab->data; gtk_notebook_switch_page (notebook, page); if (move_focus) { switch (tab_pos) { case GTK_POS_TOP: dir = GTK_DIR_DOWN; break; case GTK_POS_BOTTOM: dir = GTK_DIR_UP; break; case GTK_POS_LEFT: dir = GTK_DIR_RIGHT; break; case GTK_POS_RIGHT: dir = GTK_DIR_LEFT; break; } if (gtk_widget_child_focus (page->child, dir)) return TRUE; } return FALSE; } static void gtk_notebook_switch_focus_tab (GtkNotebook *notebook, GList *new_child) { GList *old_child; GtkNotebookPage *page; if (notebook->focus_tab == new_child) return; old_child = notebook->focus_tab; notebook->focus_tab = new_child; if (notebook->scrollable) gtk_notebook_redraw_arrows (notebook); if (!notebook->show_tabs || !notebook->focus_tab) return; page = notebook->focus_tab->data; if (gtk_widget_get_mapped (page->tab_label)) gtk_notebook_redraw_tabs (notebook); else gtk_notebook_pages_allocate (notebook); gtk_notebook_switch_page (notebook, page); } static void gtk_notebook_menu_switch_page (GtkWidget *widget, GtkNotebookPage *page) { GtkNotebook *notebook; GList *children; guint page_num; notebook = GTK_NOTEBOOK (gtk_menu_get_attach_widget (GTK_MENU (widget->parent))); if (notebook->cur_page == page) return; page_num = 0; children = notebook->children; while (children && children->data != page) { children = children->next; page_num++; } g_signal_emit (notebook, notebook_signals[SWITCH_PAGE], 0, page->child, page_num); } /* Private GtkNotebook Menu Functions: * * gtk_notebook_menu_item_create * gtk_notebook_menu_label_unparent * gtk_notebook_menu_detacher */ static void gtk_notebook_menu_item_create (GtkNotebook *notebook, GList *list) { GtkNotebookPage *page; GtkWidget *menu_item; page = list->data; if (page->default_menu) { if (GTK_IS_LABEL (page->tab_label)) page->menu_label = gtk_label_new (GTK_LABEL (page->tab_label)->label); else page->menu_label = gtk_label_new (""); gtk_misc_set_alignment (GTK_MISC (page->menu_label), 0.0, 0.5); } gtk_widget_show (page->menu_label); menu_item = gtk_menu_item_new (); gtk_container_add (GTK_CONTAINER (menu_item), page->menu_label); gtk_menu_shell_insert (GTK_MENU_SHELL (notebook->menu), menu_item, gtk_notebook_real_page_position (notebook, list)); g_signal_connect (menu_item, "activate", G_CALLBACK (gtk_notebook_menu_switch_page), page); if (gtk_widget_get_visible (page->child)) gtk_widget_show (menu_item); } static void gtk_notebook_menu_label_unparent (GtkWidget *widget, gpointer data) { gtk_widget_unparent (GTK_BIN (widget)->child); GTK_BIN (widget)->child = NULL; } static void gtk_notebook_menu_detacher (GtkWidget *widget, GtkMenu *menu) { GtkNotebook *notebook; notebook = GTK_NOTEBOOK (widget); g_return_if_fail (notebook->menu == (GtkWidget*) menu); notebook->menu = NULL; } /* Private GtkNotebook Setter Functions: * * gtk_notebook_set_homogeneous_tabs_internal * gtk_notebook_set_tab_border_internal * gtk_notebook_set_tab_hborder_internal * gtk_notebook_set_tab_vborder_internal */ static void gtk_notebook_set_homogeneous_tabs_internal (GtkNotebook *notebook, gboolean homogeneous) { if (homogeneous == notebook->homogeneous) return; notebook->homogeneous = homogeneous; gtk_widget_queue_resize (GTK_WIDGET (notebook)); g_object_notify (G_OBJECT (notebook), "homogeneous"); } static void gtk_notebook_set_tab_border_internal (GtkNotebook *notebook, guint border_width) { notebook->tab_hborder = border_width; notebook->tab_vborder = border_width; if (notebook->show_tabs && gtk_widget_get_visible (GTK_WIDGET (notebook))) gtk_widget_queue_resize (GTK_WIDGET (notebook)); g_object_freeze_notify (G_OBJECT (notebook)); g_object_notify (G_OBJECT (notebook), "tab-hborder"); g_object_notify (G_OBJECT (notebook), "tab-vborder"); g_object_thaw_notify (G_OBJECT (notebook)); } static void gtk_notebook_set_tab_hborder_internal (GtkNotebook *notebook, guint tab_hborder) { if (notebook->tab_hborder == tab_hborder) return; notebook->tab_hborder = tab_hborder; if (notebook->show_tabs && gtk_widget_get_visible (GTK_WIDGET (notebook))) gtk_widget_queue_resize (GTK_WIDGET (notebook)); g_object_notify (G_OBJECT (notebook), "tab-hborder"); } static void gtk_notebook_set_tab_vborder_internal (GtkNotebook *notebook, guint tab_vborder) { if (notebook->tab_vborder == tab_vborder) return; notebook->tab_vborder = tab_vborder; if (notebook->show_tabs && gtk_widget_get_visible (GTK_WIDGET (notebook))) gtk_widget_queue_resize (GTK_WIDGET (notebook)); g_object_notify (G_OBJECT (notebook), "tab-vborder"); } /* Public GtkNotebook Page Insert/Remove Methods : * * gtk_notebook_append_page * gtk_notebook_append_page_menu * gtk_notebook_prepend_page * gtk_notebook_prepend_page_menu * gtk_notebook_insert_page * gtk_notebook_insert_page_menu * gtk_notebook_remove_page */ /** * gtk_notebook_append_page: * @notebook: a #GtkNotebook * @child: the #GtkWidget to use as the contents of the page. * @tab_label: (allow-none): the #GtkWidget to be used as the label for the page, * or %NULL to use the default label, 'page N'. * * Appends a page to @notebook. * * Return value: the index (starting from 0) of the appended * page in the notebook, or -1 if function fails **/ gint gtk_notebook_append_page (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); g_return_val_if_fail (GTK_IS_WIDGET (child), -1); g_return_val_if_fail (tab_label == NULL || GTK_IS_WIDGET (tab_label), -1); return gtk_notebook_insert_page_menu (notebook, child, tab_label, NULL, -1); } /** * gtk_notebook_append_page_menu: * @notebook: a #GtkNotebook * @child: the #GtkWidget to use as the contents of the page. * @tab_label: (allow-none): the #GtkWidget to be used as the label for the page, * or %NULL to use the default label, 'page N'. * @menu_label: (allow-none): the widget to use as a label for the page-switch * menu, if that is enabled. If %NULL, and @tab_label * is a #GtkLabel or %NULL, then the menu label will be * a newly created label with the same text as @tab_label; * If @tab_label is not a #GtkLabel, @menu_label must be * specified if the page-switch menu is to be used. * * Appends a page to @notebook, specifying the widget to use as the * label in the popup menu. * * Return value: the index (starting from 0) of the appended * page in the notebook, or -1 if function fails **/ gint gtk_notebook_append_page_menu (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label, GtkWidget *menu_label) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); g_return_val_if_fail (GTK_IS_WIDGET (child), -1); g_return_val_if_fail (tab_label == NULL || GTK_IS_WIDGET (tab_label), -1); g_return_val_if_fail (menu_label == NULL || GTK_IS_WIDGET (menu_label), -1); return gtk_notebook_insert_page_menu (notebook, child, tab_label, menu_label, -1); } /** * gtk_notebook_prepend_page: * @notebook: a #GtkNotebook * @child: the #GtkWidget to use as the contents of the page. * @tab_label: (allow-none): the #GtkWidget to be used as the label for the page, * or %NULL to use the default label, 'page N'. * * Prepends a page to @notebook. * * Return value: the index (starting from 0) of the prepended * page in the notebook, or -1 if function fails **/ gint gtk_notebook_prepend_page (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); g_return_val_if_fail (GTK_IS_WIDGET (child), -1); g_return_val_if_fail (tab_label == NULL || GTK_IS_WIDGET (tab_label), -1); return gtk_notebook_insert_page_menu (notebook, child, tab_label, NULL, 0); } /** * gtk_notebook_prepend_page_menu: * @notebook: a #GtkNotebook * @child: the #GtkWidget to use as the contents of the page. * @tab_label: (allow-none): the #GtkWidget to be used as the label for the page, * or %NULL to use the default label, 'page N'. * @menu_label: (allow-none): the widget to use as a label for the page-switch * menu, if that is enabled. If %NULL, and @tab_label * is a #GtkLabel or %NULL, then the menu label will be * a newly created label with the same text as @tab_label; * If @tab_label is not a #GtkLabel, @menu_label must be * specified if the page-switch menu is to be used. * * Prepends a page to @notebook, specifying the widget to use as the * label in the popup menu. * * Return value: the index (starting from 0) of the prepended * page in the notebook, or -1 if function fails **/ gint gtk_notebook_prepend_page_menu (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label, GtkWidget *menu_label) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); g_return_val_if_fail (GTK_IS_WIDGET (child), -1); g_return_val_if_fail (tab_label == NULL || GTK_IS_WIDGET (tab_label), -1); g_return_val_if_fail (menu_label == NULL || GTK_IS_WIDGET (menu_label), -1); return gtk_notebook_insert_page_menu (notebook, child, tab_label, menu_label, 0); } /** * gtk_notebook_insert_page: * @notebook: a #GtkNotebook * @child: the #GtkWidget to use as the contents of the page. * @tab_label: (allow-none): the #GtkWidget to be used as the label for the page, * or %NULL to use the default label, 'page N'. * @position: the index (starting at 0) at which to insert the page, * or -1 to append the page after all other pages. * * Insert a page into @notebook at the given position. * * Return value: the index (starting from 0) of the inserted * page in the notebook, or -1 if function fails **/ gint gtk_notebook_insert_page (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label, gint position) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); g_return_val_if_fail (GTK_IS_WIDGET (child), -1); g_return_val_if_fail (tab_label == NULL || GTK_IS_WIDGET (tab_label), -1); return gtk_notebook_insert_page_menu (notebook, child, tab_label, NULL, position); } static gint gtk_notebook_page_compare_tab (gconstpointer a, gconstpointer b) { return (((GtkNotebookPage *) a)->tab_label != b); } static gboolean gtk_notebook_mnemonic_activate_switch_page (GtkWidget *child, gboolean overload, gpointer data) { GtkNotebook *notebook = GTK_NOTEBOOK (data); GList *list; list = g_list_find_custom (notebook->children, child, gtk_notebook_page_compare_tab); if (list) { GtkNotebookPage *page = list->data; gtk_widget_grab_focus (GTK_WIDGET (notebook)); /* Do this first to avoid focusing new page */ gtk_notebook_switch_page (notebook, page); focus_tabs_in (notebook); } return TRUE; } /** * gtk_notebook_insert_page_menu: * @notebook: a #GtkNotebook * @child: the #GtkWidget to use as the contents of the page. * @tab_label: (allow-none): the #GtkWidget to be used as the label for the page, * or %NULL to use the default label, 'page N'. * @menu_label: (allow-none): the widget to use as a label for the page-switch * menu, if that is enabled. If %NULL, and @tab_label * is a #GtkLabel or %NULL, then the menu label will be * a newly created label with the same text as @tab_label; * If @tab_label is not a #GtkLabel, @menu_label must be * specified if the page-switch menu is to be used. * @position: the index (starting at 0) at which to insert the page, * or -1 to append the page after all other pages. * * Insert a page into @notebook at the given position, specifying * the widget to use as the label in the popup menu. * * Return value: the index (starting from 0) of the inserted * page in the notebook **/ gint gtk_notebook_insert_page_menu (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label, GtkWidget *menu_label, gint position) { GtkNotebookClass *class; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); g_return_val_if_fail (GTK_IS_WIDGET (child), -1); g_return_val_if_fail (tab_label == NULL || GTK_IS_WIDGET (tab_label), -1); g_return_val_if_fail (menu_label == NULL || GTK_IS_WIDGET (menu_label), -1); class = GTK_NOTEBOOK_GET_CLASS (notebook); return (class->insert_page) (notebook, child, tab_label, menu_label, position); } /** * gtk_notebook_remove_page: * @notebook: a #GtkNotebook. * @page_num: the index of a notebook page, starting * from 0. If -1, the last page will * be removed. * * Removes a page from the notebook given its index * in the notebook. **/ void gtk_notebook_remove_page (GtkNotebook *notebook, gint page_num) { GList *list = NULL; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); if (page_num >= 0) list = g_list_nth (notebook->children, page_num); else list = g_list_last (notebook->children); if (list) gtk_container_remove (GTK_CONTAINER (notebook), ((GtkNotebookPage *) list->data)->child); } /* Public GtkNotebook Page Switch Methods : * gtk_notebook_get_current_page * gtk_notebook_page_num * gtk_notebook_set_current_page * gtk_notebook_next_page * gtk_notebook_prev_page */ /** * gtk_notebook_get_current_page: * @notebook: a #GtkNotebook * * Returns the page number of the current page. * * Return value: the index (starting from 0) of the current * page in the notebook. If the notebook has no pages, then * -1 will be returned. **/ gint gtk_notebook_get_current_page (GtkNotebook *notebook) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); if (!notebook->cur_page) return -1; return g_list_index (notebook->children, notebook->cur_page); } /** * gtk_notebook_get_nth_page: * @notebook: a #GtkNotebook * @page_num: the index of a page in the notebook, or -1 * to get the last page. * * Returns the child widget contained in page number @page_num. * * Return value: (transfer none): the child widget, or %NULL if @page_num is * out of bounds. **/ GtkWidget* gtk_notebook_get_nth_page (GtkNotebook *notebook, gint page_num) { GtkNotebookPage *page; GList *list; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL); if (page_num >= 0) list = g_list_nth (notebook->children, page_num); else list = g_list_last (notebook->children); if (list) { page = list->data; return page->child; } return NULL; } /** * gtk_notebook_get_n_pages: * @notebook: a #GtkNotebook * * Gets the number of pages in a notebook. * * Return value: the number of pages in the notebook. * * Since: 2.2 **/ gint gtk_notebook_get_n_pages (GtkNotebook *notebook) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), 0); return g_list_length (notebook->children); } /** * gtk_notebook_page_num: * @notebook: a #GtkNotebook * @child: a #GtkWidget * * Finds the index of the page which contains the given child * widget. * * Return value: the index of the page containing @child, or * -1 if @child is not in the notebook. **/ gint gtk_notebook_page_num (GtkNotebook *notebook, GtkWidget *child) { GList *children; gint num; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); num = 0; children = notebook->children; while (children) { GtkNotebookPage *page = children->data; if (page->child == child) return num; children = children->next; num++; } return -1; } /** * gtk_notebook_set_current_page: * @notebook: a #GtkNotebook * @page_num: index of the page to switch to, starting from 0. * If negative, the last page will be used. If greater * than the number of pages in the notebook, nothing * will be done. * * Switches to the page number @page_num. * * Note that due to historical reasons, GtkNotebook refuses * to switch to a page unless the child widget is visible. * Therefore, it is recommended to show child widgets before * adding them to a notebook. */ void gtk_notebook_set_current_page (GtkNotebook *notebook, gint page_num) { GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); if (page_num < 0) page_num = g_list_length (notebook->children) - 1; list = g_list_nth (notebook->children, page_num); if (list) gtk_notebook_switch_page (notebook, GTK_NOTEBOOK_PAGE (list)); } /** * gtk_notebook_next_page: * @notebook: a #GtkNotebook * * Switches to the next page. Nothing happens if the current page is * the last page. **/ void gtk_notebook_next_page (GtkNotebook *notebook) { GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); list = g_list_find (notebook->children, notebook->cur_page); if (!list) return; list = gtk_notebook_search_page (notebook, list, STEP_NEXT, TRUE); if (!list) return; gtk_notebook_switch_page (notebook, GTK_NOTEBOOK_PAGE (list)); } /** * gtk_notebook_prev_page: * @notebook: a #GtkNotebook * * Switches to the previous page. Nothing happens if the current page * is the first page. **/ void gtk_notebook_prev_page (GtkNotebook *notebook) { GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); list = g_list_find (notebook->children, notebook->cur_page); if (!list) return; list = gtk_notebook_search_page (notebook, list, STEP_PREV, TRUE); if (!list) return; gtk_notebook_switch_page (notebook, GTK_NOTEBOOK_PAGE (list)); } /* Public GtkNotebook/Tab Style Functions * * gtk_notebook_set_show_border * gtk_notebook_get_show_border * gtk_notebook_set_show_tabs * gtk_notebook_get_show_tabs * gtk_notebook_set_tab_pos * gtk_notebook_get_tab_pos * gtk_notebook_set_scrollable * gtk_notebook_get_scrollable * gtk_notebook_get_tab_hborder * gtk_notebook_get_tab_vborder */ /** * gtk_notebook_set_show_border: * @notebook: a #GtkNotebook * @show_border: %TRUE if a bevel should be drawn around the notebook. * * Sets whether a bevel will be drawn around the notebook pages. * This only has a visual effect when the tabs are not shown. * See gtk_notebook_set_show_tabs(). **/ void gtk_notebook_set_show_border (GtkNotebook *notebook, gboolean show_border) { g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); if (notebook->show_border != show_border) { notebook->show_border = show_border; if (gtk_widget_get_visible (GTK_WIDGET (notebook))) gtk_widget_queue_resize (GTK_WIDGET (notebook)); g_object_notify (G_OBJECT (notebook), "show-border"); } } /** * gtk_notebook_get_show_border: * @notebook: a #GtkNotebook * * Returns whether a bevel will be drawn around the notebook pages. See * gtk_notebook_set_show_border(). * * Return value: %TRUE if the bevel is drawn **/ gboolean gtk_notebook_get_show_border (GtkNotebook *notebook) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE); return notebook->show_border; } /** * gtk_notebook_set_show_tabs: * @notebook: a #GtkNotebook * @show_tabs: %TRUE if the tabs should be shown. * * Sets whether to show the tabs for the notebook or not. **/ void gtk_notebook_set_show_tabs (GtkNotebook *notebook, gboolean show_tabs) { GtkNotebookPrivate *priv; GtkNotebookPage *page; GList *children; gint i; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); show_tabs = show_tabs != FALSE; if (notebook->show_tabs == show_tabs) return; notebook->show_tabs = show_tabs; children = notebook->children; if (!show_tabs) { gtk_widget_set_can_focus (GTK_WIDGET (notebook), FALSE); while (children) { page = children->data; children = children->next; if (page->default_tab) { gtk_widget_destroy (page->tab_label); page->tab_label = NULL; } else gtk_widget_hide (page->tab_label); } } else { gtk_widget_set_can_focus (GTK_WIDGET (notebook), TRUE); gtk_notebook_update_labels (notebook); } for (i = 0; i < N_ACTION_WIDGETS; i++) { if (priv->action_widget[i]) gtk_widget_set_child_visible (priv->action_widget[i], show_tabs); } gtk_widget_queue_resize (GTK_WIDGET (notebook)); g_object_notify (G_OBJECT (notebook), "show-tabs"); } /** * gtk_notebook_get_show_tabs: * @notebook: a #GtkNotebook * * Returns whether the tabs of the notebook are shown. See * gtk_notebook_set_show_tabs(). * * Return value: %TRUE if the tabs are shown **/ gboolean gtk_notebook_get_show_tabs (GtkNotebook *notebook) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE); return notebook->show_tabs; } /** * gtk_notebook_set_tab_pos: * @notebook: a #GtkNotebook. * @pos: the edge to draw the tabs at. * * Sets the edge at which the tabs for switching pages in the * notebook are drawn. **/ void gtk_notebook_set_tab_pos (GtkNotebook *notebook, GtkPositionType pos) { g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); if (notebook->tab_pos != pos) { notebook->tab_pos = pos; if (gtk_widget_get_visible (GTK_WIDGET (notebook))) gtk_widget_queue_resize (GTK_WIDGET (notebook)); } g_object_notify (G_OBJECT (notebook), "tab-pos"); } /** * gtk_notebook_get_tab_pos: * @notebook: a #GtkNotebook * * Gets the edge at which the tabs for switching pages in the * notebook are drawn. * * Return value: the edge at which the tabs are drawn **/ GtkPositionType gtk_notebook_get_tab_pos (GtkNotebook *notebook) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), GTK_POS_TOP); return notebook->tab_pos; } /** * gtk_notebook_set_homogeneous_tabs: * @notebook: a #GtkNotebook * @homogeneous: %TRUE if all tabs should be the same size. * * Sets whether the tabs must have all the same size or not. **/ void gtk_notebook_set_homogeneous_tabs (GtkNotebook *notebook, gboolean homogeneous) { g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); gtk_notebook_set_homogeneous_tabs_internal (notebook, homogeneous); } /** * gtk_notebook_set_tab_border: * @notebook: a #GtkNotebook * @border_width: width of the border around the tab labels. * * Sets the width the border around the tab labels * in a notebook. This is equivalent to calling * gtk_notebook_set_tab_hborder (@notebook, @border_width) followed * by gtk_notebook_set_tab_vborder (@notebook, @border_width). **/ void gtk_notebook_set_tab_border (GtkNotebook *notebook, guint border_width) { g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); gtk_notebook_set_tab_border_internal (notebook, border_width); } /** * gtk_notebook_set_tab_hborder: * @notebook: a #GtkNotebook * @tab_hborder: width of the horizontal border of tab labels. * * Sets the width of the horizontal border of tab labels. **/ void gtk_notebook_set_tab_hborder (GtkNotebook *notebook, guint tab_hborder) { g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); gtk_notebook_set_tab_hborder_internal (notebook, tab_hborder); } /** * gtk_notebook_set_tab_vborder: * @notebook: a #GtkNotebook * @tab_vborder: width of the vertical border of tab labels. * * Sets the width of the vertical border of tab labels. **/ void gtk_notebook_set_tab_vborder (GtkNotebook *notebook, guint tab_vborder) { g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); gtk_notebook_set_tab_vborder_internal (notebook, tab_vborder); } /** * gtk_notebook_set_scrollable: * @notebook: a #GtkNotebook * @scrollable: %TRUE if scroll arrows should be added * * Sets whether the tab label area will have arrows for scrolling if * there are too many tabs to fit in the area. **/ void gtk_notebook_set_scrollable (GtkNotebook *notebook, gboolean scrollable) { g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); scrollable = (scrollable != FALSE); if (scrollable != notebook->scrollable) { notebook->scrollable = scrollable; if (gtk_widget_get_visible (GTK_WIDGET (notebook))) gtk_widget_queue_resize (GTK_WIDGET (notebook)); g_object_notify (G_OBJECT (notebook), "scrollable"); } } /** * gtk_notebook_get_scrollable: * @notebook: a #GtkNotebook * * Returns whether the tab label area has arrows for scrolling. See * gtk_notebook_set_scrollable(). * * Return value: %TRUE if arrows for scrolling are present **/ gboolean gtk_notebook_get_scrollable (GtkNotebook *notebook) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE); return notebook->scrollable; } /** * gtk_notebook_get_tab_hborder: * @notebook: a #GtkNotebook * * Returns the horizontal width of a tab border. * * Return value: horizontal width of a tab border * * Since: 2.22 */ guint16 gtk_notebook_get_tab_hborder (GtkNotebook *notebook) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE); return notebook->tab_hborder; } /** * gtk_notebook_get_tab_vborder: * @notebook: a #GtkNotebook * * Returns the vertical width of a tab border. * * Return value: vertical width of a tab border * * Since: 2.22 */ guint16 gtk_notebook_get_tab_vborder (GtkNotebook *notebook) { g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE); return notebook->tab_vborder; } /* Public GtkNotebook Popup Menu Methods: * * gtk_notebook_popup_enable * gtk_notebook_popup_disable */ /** * gtk_notebook_popup_enable: * @notebook: a #GtkNotebook * * Enables the popup menu: if the user clicks with the right mouse button on * the tab labels, a menu with all the pages will be popped up. **/ void gtk_notebook_popup_enable (GtkNotebook *notebook) { GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); if (notebook->menu) return; notebook->menu = gtk_menu_new (); for (list = gtk_notebook_search_page (notebook, NULL, STEP_NEXT, FALSE); list; list = gtk_notebook_search_page (notebook, list, STEP_NEXT, FALSE)) gtk_notebook_menu_item_create (notebook, list); gtk_notebook_update_labels (notebook); gtk_menu_attach_to_widget (GTK_MENU (notebook->menu), GTK_WIDGET (notebook), gtk_notebook_menu_detacher); g_object_notify (G_OBJECT (notebook), "enable-popup"); } /** * gtk_notebook_popup_disable: * @notebook: a #GtkNotebook * * Disables the popup menu. **/ void gtk_notebook_popup_disable (GtkNotebook *notebook) { g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); if (!notebook->menu) return; gtk_container_foreach (GTK_CONTAINER (notebook->menu), (GtkCallback) gtk_notebook_menu_label_unparent, NULL); gtk_widget_destroy (notebook->menu); g_object_notify (G_OBJECT (notebook), "enable-popup"); } /* Public GtkNotebook Page Properties Functions: * * gtk_notebook_get_tab_label * gtk_notebook_set_tab_label * gtk_notebook_set_tab_label_text * gtk_notebook_get_menu_label * gtk_notebook_set_menu_label * gtk_notebook_set_menu_label_text * gtk_notebook_set_tab_label_packing * gtk_notebook_query_tab_label_packing * gtk_notebook_get_tab_reorderable * gtk_notebook_set_tab_reorderable * gtk_notebook_get_tab_detachable * gtk_notebook_set_tab_detachable */ /** * gtk_notebook_get_tab_label: * @notebook: a #GtkNotebook * @child: the page * * Returns the tab label widget for the page @child. %NULL is returned * if @child is not in @notebook or if no tab label has specifically * been set for @child. * * Return value: (transfer none): the tab label **/ GtkWidget * gtk_notebook_get_tab_label (GtkNotebook *notebook, GtkWidget *child) { GList *list; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL); g_return_val_if_fail (GTK_IS_WIDGET (child), NULL); list = CHECK_FIND_CHILD (notebook, child); if (!list) return NULL; if (GTK_NOTEBOOK_PAGE (list)->default_tab) return NULL; return GTK_NOTEBOOK_PAGE (list)->tab_label; } /** * gtk_notebook_set_tab_label: * @notebook: a #GtkNotebook * @child: the page * @tab_label: (allow-none): the tab label widget to use, or %NULL for default tab * label. * * Changes the tab label for @child. If %NULL is specified * for @tab_label, then the page will have the label 'page N'. **/ void gtk_notebook_set_tab_label (GtkNotebook *notebook, GtkWidget *child, GtkWidget *tab_label) { GtkNotebookPage *page; GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); g_return_if_fail (GTK_IS_WIDGET (child)); list = CHECK_FIND_CHILD (notebook, child); if (!list) return; /* a NULL pointer indicates a default_tab setting, otherwise * we need to set the associated label */ page = list->data; if (page->tab_label == tab_label) return; gtk_notebook_remove_tab_label (notebook, page); if (tab_label) { page->default_tab = FALSE; page->tab_label = tab_label; gtk_widget_set_parent (page->tab_label, GTK_WIDGET (notebook)); } else { page->default_tab = TRUE; page->tab_label = NULL; if (notebook->show_tabs) { gchar string[32]; g_snprintf (string, sizeof(string), _("Page %u"), gtk_notebook_real_page_position (notebook, list)); page->tab_label = gtk_label_new (string); gtk_widget_set_parent (page->tab_label, GTK_WIDGET (notebook)); } } if (page->tab_label) page->mnemonic_activate_signal = g_signal_connect (page->tab_label, "mnemonic-activate", G_CALLBACK (gtk_notebook_mnemonic_activate_switch_page), notebook); if (notebook->show_tabs && gtk_widget_get_visible (child)) { gtk_widget_show (page->tab_label); gtk_widget_queue_resize (GTK_WIDGET (notebook)); } gtk_notebook_update_tab_states (notebook); gtk_widget_child_notify (child, "tab-label"); } /** * gtk_notebook_set_tab_label_text: * @notebook: a #GtkNotebook * @child: the page * @tab_text: the label text * * Creates a new label and sets it as the tab label for the page * containing @child. **/ void gtk_notebook_set_tab_label_text (GtkNotebook *notebook, GtkWidget *child, const gchar *tab_text) { GtkWidget *tab_label = NULL; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); if (tab_text) tab_label = gtk_label_new (tab_text); gtk_notebook_set_tab_label (notebook, child, tab_label); gtk_widget_child_notify (child, "tab-label"); } /** * gtk_notebook_get_tab_label_text: * @notebook: a #GtkNotebook * @child: a widget contained in a page of @notebook * * Retrieves the text of the tab label for the page containing * @child. * * Return value: the text of the tab label, or %NULL if the * tab label widget is not a #GtkLabel. The * string is owned by the widget and must not * be freed. **/ const gchar * gtk_notebook_get_tab_label_text (GtkNotebook *notebook, GtkWidget *child) { GtkWidget *tab_label; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL); g_return_val_if_fail (GTK_IS_WIDGET (child), NULL); tab_label = gtk_notebook_get_tab_label (notebook, child); if (GTK_IS_LABEL (tab_label)) return gtk_label_get_text (GTK_LABEL (tab_label)); else return NULL; } /** * gtk_notebook_get_menu_label: * @notebook: a #GtkNotebook * @child: a widget contained in a page of @notebook * * Retrieves the menu label widget of the page containing @child. * * Return value: (transfer none): the menu label, or %NULL if the * notebook page does not have a menu label other than the * default (the tab label). **/ GtkWidget* gtk_notebook_get_menu_label (GtkNotebook *notebook, GtkWidget *child) { GList *list; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL); g_return_val_if_fail (GTK_IS_WIDGET (child), NULL); list = CHECK_FIND_CHILD (notebook, child); if (!list) return NULL; if (GTK_NOTEBOOK_PAGE (list)->default_menu) return NULL; return GTK_NOTEBOOK_PAGE (list)->menu_label; } /** * gtk_notebook_set_menu_label: * @notebook: a #GtkNotebook * @child: the child widget * @menu_label: (allow-none): the menu label, or NULL for default * * Changes the menu label for the page containing @child. **/ void gtk_notebook_set_menu_label (GtkNotebook *notebook, GtkWidget *child, GtkWidget *menu_label) { GtkNotebookPage *page; GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); g_return_if_fail (GTK_IS_WIDGET (child)); list = CHECK_FIND_CHILD (notebook, child); if (!list) return; page = list->data; if (page->menu_label) { if (notebook->menu) gtk_container_remove (GTK_CONTAINER (notebook->menu), page->menu_label->parent); if (!page->default_menu) g_object_unref (page->menu_label); } if (menu_label) { page->menu_label = menu_label; g_object_ref_sink (page->menu_label); page->default_menu = FALSE; } else page->default_menu = TRUE; if (notebook->menu) gtk_notebook_menu_item_create (notebook, list); gtk_widget_child_notify (child, "menu-label"); } /** * gtk_notebook_set_menu_label_text: * @notebook: a #GtkNotebook * @child: the child widget * @menu_text: the label text * * Creates a new label and sets it as the menu label of @child. **/ void gtk_notebook_set_menu_label_text (GtkNotebook *notebook, GtkWidget *child, const gchar *menu_text) { GtkWidget *menu_label = NULL; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); if (menu_text) { menu_label = gtk_label_new (menu_text); gtk_misc_set_alignment (GTK_MISC (menu_label), 0.0, 0.5); } gtk_notebook_set_menu_label (notebook, child, menu_label); gtk_widget_child_notify (child, "menu-label"); } /** * gtk_notebook_get_menu_label_text: * @notebook: a #GtkNotebook * @child: the child widget of a page of the notebook. * * Retrieves the text of the menu label for the page containing * @child. * * Return value: the text of the tab label, or %NULL if the * widget does not have a menu label other than * the default menu label, or the menu label widget * is not a #GtkLabel. The string is owned by * the widget and must not be freed. **/ const gchar * gtk_notebook_get_menu_label_text (GtkNotebook *notebook, GtkWidget *child) { GtkWidget *menu_label; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL); g_return_val_if_fail (GTK_IS_WIDGET (child), NULL); menu_label = gtk_notebook_get_menu_label (notebook, child); if (GTK_IS_LABEL (menu_label)) return gtk_label_get_text (GTK_LABEL (menu_label)); else return NULL; } /* Helper function called when pages are reordered */ static void gtk_notebook_child_reordered (GtkNotebook *notebook, GtkNotebookPage *page) { if (notebook->menu) { GtkWidget *menu_item; menu_item = page->menu_label->parent; gtk_container_remove (GTK_CONTAINER (menu_item), page->menu_label); gtk_container_remove (GTK_CONTAINER (notebook->menu), menu_item); gtk_notebook_menu_item_create (notebook, g_list_find (notebook->children, page)); } gtk_notebook_update_tab_states (notebook); gtk_notebook_update_labels (notebook); } /** * gtk_notebook_set_tab_label_packing: * @notebook: a #GtkNotebook * @child: the child widget * @expand: whether to expand the tab label or not * @fill: whether the tab label should fill the allocated area or not * @pack_type: the position of the tab label * * Sets the packing parameters for the tab label of the page * containing @child. See gtk_box_pack_start() for the exact meaning * of the parameters. * * Deprecated: 2.20: Modify the #GtkNotebook:tab-expand and * #GtkNotebook:tab-fill child properties instead. * Modifying the packing of the tab label is a deprecated feature and * shouldn't be done anymore. **/ void gtk_notebook_set_tab_label_packing (GtkNotebook *notebook, GtkWidget *child, gboolean expand, gboolean fill, GtkPackType pack_type) { GtkNotebookPage *page; GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); g_return_if_fail (GTK_IS_WIDGET (child)); list = CHECK_FIND_CHILD (notebook, child); if (!list) return; page = list->data; expand = expand != FALSE; fill = fill != FALSE; if (page->pack == pack_type && page->expand == expand && page->fill == fill) return; gtk_widget_freeze_child_notify (child); page->expand = expand; gtk_widget_child_notify (child, "tab-expand"); page->fill = fill; gtk_widget_child_notify (child, "tab-fill"); if (page->pack != pack_type) { page->pack = pack_type; gtk_notebook_child_reordered (notebook, page); } gtk_widget_child_notify (child, "tab-pack"); gtk_widget_child_notify (child, "position"); if (notebook->show_tabs) gtk_notebook_pages_allocate (notebook); gtk_widget_thaw_child_notify (child); } /** * gtk_notebook_query_tab_label_packing: * @notebook: a #GtkNotebook * @child: the page * @expand: location to store the expand value (or NULL) * @fill: location to store the fill value (or NULL) * @pack_type: location to store the pack_type (or NULL) * * Query the packing attributes for the tab label of the page * containing @child. * * Deprecated: 2.20: Modify the #GtkNotebook:tab-expand and * #GtkNotebook:tab-fill child properties instead. **/ void gtk_notebook_query_tab_label_packing (GtkNotebook *notebook, GtkWidget *child, gboolean *expand, gboolean *fill, GtkPackType *pack_type) { GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); g_return_if_fail (GTK_IS_WIDGET (child)); list = CHECK_FIND_CHILD (notebook, child); if (!list) return; if (expand) *expand = GTK_NOTEBOOK_PAGE (list)->expand; if (fill) *fill = GTK_NOTEBOOK_PAGE (list)->fill; if (pack_type) *pack_type = GTK_NOTEBOOK_PAGE (list)->pack; } /** * gtk_notebook_reorder_child: * @notebook: a #GtkNotebook * @child: the child to move * @position: the new position, or -1 to move to the end * * Reorders the page containing @child, so that it appears in position * @position. If @position is greater than or equal to the number of * children in the list or negative, @child will be moved to the end * of the list. **/ void gtk_notebook_reorder_child (GtkNotebook *notebook, GtkWidget *child, gint position) { GList *list, *new_list; GtkNotebookPage *page; gint old_pos; gint max_pos; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); g_return_if_fail (GTK_IS_WIDGET (child)); list = CHECK_FIND_CHILD (notebook, child); if (!list) return; max_pos = g_list_length (notebook->children) - 1; if (position < 0 || position > max_pos) position = max_pos; old_pos = g_list_position (notebook->children, list); if (old_pos == position) return; page = list->data; notebook->children = g_list_delete_link (notebook->children, list); notebook->children = g_list_insert (notebook->children, page, position); new_list = g_list_nth (notebook->children, position); /* Fix up GList references in GtkNotebook structure */ if (notebook->first_tab == list) notebook->first_tab = new_list; if (notebook->focus_tab == list) notebook->focus_tab = new_list; gtk_widget_freeze_child_notify (child); /* Move around the menu items if necessary */ gtk_notebook_child_reordered (notebook, page); gtk_widget_child_notify (child, "tab-pack"); gtk_widget_child_notify (child, "position"); if (notebook->show_tabs) gtk_notebook_pages_allocate (notebook); gtk_widget_thaw_child_notify (child); g_signal_emit (notebook, notebook_signals[PAGE_REORDERED], 0, child, position); } /** * gtk_notebook_set_window_creation_hook: * @func: (allow-none): the #GtkNotebookWindowCreationFunc, or %NULL * @data: user data for @func * @destroy: (allow-none): Destroy notifier for @data, or %NULL * * Installs a global function used to create a window * when a detached tab is dropped in an empty area. * * Since: 2.10 * * Deprecated: 2.24: Use the #GtkNotebook::create-window signal instead **/ void gtk_notebook_set_window_creation_hook (GtkNotebookWindowCreationFunc func, gpointer data, GDestroyNotify destroy) { if (window_creation_hook_destroy) window_creation_hook_destroy (window_creation_hook_data); window_creation_hook = func; window_creation_hook_data = data; window_creation_hook_destroy = destroy; } /** * gtk_notebook_set_group_id: * @notebook: a #GtkNotebook * @group_id: a group identificator, or -1 to unset it * * Sets an group identificator for @notebook, notebooks sharing * the same group identificator will be able to exchange tabs * via drag and drop. A notebook with group identificator -1 will * not be able to exchange tabs with any other notebook. * * Since: 2.10 * Deprecated: 2.12: use gtk_notebook_set_group_name() instead. */ void gtk_notebook_set_group_id (GtkNotebook *notebook, gint group_id) { gpointer group; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); /* add 1 to get rid of the -1/NULL difference */ group = GINT_TO_POINTER (group_id + 1); gtk_notebook_set_group (notebook, group); } /** * gtk_notebook_set_group: * @notebook: a #GtkNotebook * @group: (allow-none): a pointer to identify the notebook group, or %NULL to unset it * * Sets a group identificator pointer for @notebook, notebooks sharing * the same group identificator pointer will be able to exchange tabs * via drag and drop. A notebook with a %NULL group identificator will * not be able to exchange tabs with any other notebook. * * Since: 2.12 * * Deprecated: 2.24: Use gtk_notebook_set_group_name() instead */ void gtk_notebook_set_group (GtkNotebook *notebook, gpointer group) { GtkNotebookPrivate *priv; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); if (priv->group != group) { priv->group = group; g_object_notify (G_OBJECT (notebook), "group"); } } /** * gtk_notebook_set_group_name: * @notebook: a #GtkNotebook * @name: (allow-none): the name of the notebook group, or %NULL to unset it * * Sets a group name for @notebook. * * Notebooks with the same name will be able to exchange tabs * via drag and drop. A notebook with a %NULL group name will * not be able to exchange tabs with any other notebook. * * Since: 2.24 */ void gtk_notebook_set_group_name (GtkNotebook *notebook, const gchar *group_name) { gpointer group; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); group = (gpointer)g_intern_string (group_name); gtk_notebook_set_group (notebook, group); g_object_notify (G_OBJECT (notebook), "group-name"); } /** * gtk_notebook_get_group_id: * @notebook: a #GtkNotebook * * Gets the current group identificator for @notebook. * * Return Value: the group identificator, or -1 if none is set. * * Since: 2.10 * Deprecated: 2.12: use gtk_notebook_get_group_name() instead. */ gint gtk_notebook_get_group_id (GtkNotebook *notebook) { GtkNotebookPrivate *priv; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), -1); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); /* substract 1 to get rid of the -1/NULL difference */ return GPOINTER_TO_INT (priv->group) - 1; } /** * gtk_notebook_get_group: * @notebook: a #GtkNotebook * * Gets the current group identificator pointer for @notebook. * * Return Value: (transfer none): the group identificator, * or %NULL if none is set. * * Since: 2.12 * * Deprecated: 2.24: Use gtk_notebook_get_group_name() instead **/ gpointer gtk_notebook_get_group (GtkNotebook *notebook) { GtkNotebookPrivate *priv; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); return priv->group; } /** * gtk_notebook_get_group_name: * @notebook: a #GtkNotebook * * Gets the current group name for @notebook. * * Note that this funtion can emphasis not be used * together with gtk_notebook_set_group() or * gtk_notebook_set_group_id(). * Return Value: (transfer none): the group name, * or %NULL if none is set. * * Since: 2.24 */ const gchar * gtk_notebook_get_group_name (GtkNotebook *notebook) { GtkNotebookPrivate *priv; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); return (const gchar *)priv->group; } /** * gtk_notebook_get_tab_reorderable: * @notebook: a #GtkNotebook * @child: a child #GtkWidget * * Gets whether the tab can be reordered via drag and drop or not. * * Return Value: %TRUE if the tab is reorderable. * * Since: 2.10 **/ gboolean gtk_notebook_get_tab_reorderable (GtkNotebook *notebook, GtkWidget *child) { GList *list; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE); g_return_val_if_fail (GTK_IS_WIDGET (child), FALSE); list = CHECK_FIND_CHILD (notebook, child); if (!list) return FALSE; return GTK_NOTEBOOK_PAGE (list)->reorderable; } /** * gtk_notebook_set_tab_reorderable: * @notebook: a #GtkNotebook * @child: a child #GtkWidget * @reorderable: whether the tab is reorderable or not. * * Sets whether the notebook tab can be reordered * via drag and drop or not. * * Since: 2.10 **/ void gtk_notebook_set_tab_reorderable (GtkNotebook *notebook, GtkWidget *child, gboolean reorderable) { GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); g_return_if_fail (GTK_IS_WIDGET (child)); list = CHECK_FIND_CHILD (notebook, child); if (!list) return; if (GTK_NOTEBOOK_PAGE (list)->reorderable != reorderable) { GTK_NOTEBOOK_PAGE (list)->reorderable = (reorderable == TRUE); gtk_widget_child_notify (child, "reorderable"); } } /** * gtk_notebook_get_tab_detachable: * @notebook: a #GtkNotebook * @child: a child #GtkWidget * * Returns whether the tab contents can be detached from @notebook. * * Return Value: TRUE if the tab is detachable. * * Since: 2.10 **/ gboolean gtk_notebook_get_tab_detachable (GtkNotebook *notebook, GtkWidget *child) { GList *list; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), FALSE); g_return_val_if_fail (GTK_IS_WIDGET (child), FALSE); list = CHECK_FIND_CHILD (notebook, child); if (!list) return FALSE; return GTK_NOTEBOOK_PAGE (list)->detachable; } /** * gtk_notebook_set_tab_detachable: * @notebook: a #GtkNotebook * @child: a child #GtkWidget * @detachable: whether the tab is detachable or not * * Sets whether the tab can be detached from @notebook to another * notebook or widget. * * Note that 2 notebooks must share a common group identificator * (see gtk_notebook_set_group_id ()) to allow automatic tabs * interchange between them. * * If you want a widget to interact with a notebook through DnD * (i.e.: accept dragged tabs from it) it must be set as a drop * destination and accept the target "GTK_NOTEBOOK_TAB". The notebook * will fill the selection with a GtkWidget** pointing to the child * widget that corresponds to the dropped tab. * |[ * static void * on_drop_zone_drag_data_received (GtkWidget *widget, * GdkDragContext *context, * gint x, * gint y, * GtkSelectionData *selection_data, * guint info, * guint time, * gpointer user_data) * { * GtkWidget *notebook; * GtkWidget **child; * * notebook = gtk_drag_get_source_widget (context); * child = (void*) selection_data->data; * * process_widget (*child); * gtk_container_remove (GTK_CONTAINER (notebook), *child); * } * ]| * * If you want a notebook to accept drags from other widgets, * you will have to set your own DnD code to do it. * * Since: 2.10 **/ void gtk_notebook_set_tab_detachable (GtkNotebook *notebook, GtkWidget *child, gboolean detachable) { GList *list; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); g_return_if_fail (GTK_IS_WIDGET (child)); list = CHECK_FIND_CHILD (notebook, child); if (!list) return; if (GTK_NOTEBOOK_PAGE (list)->detachable != detachable) { GTK_NOTEBOOK_PAGE (list)->detachable = (detachable == TRUE); gtk_widget_child_notify (child, "detachable"); } } /** * gtk_notebook_get_action_widget: * @notebook: a #GtkNotebook * @pack_type: pack type of the action widget to receive * * Gets one of the action widgets. See gtk_notebook_set_action_widget(). * * Returns: (transfer none): The action widget with the given @pack_type * or %NULL when this action widget has not been set * * Since: 2.20 */ GtkWidget* gtk_notebook_get_action_widget (GtkNotebook *notebook, GtkPackType pack_type) { GtkNotebookPrivate *priv; g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); return priv->action_widget[pack_type]; } /** * gtk_notebook_set_action_widget: * @notebook: a #GtkNotebook * @widget: a #GtkWidget * @pack_type: pack type of the action widget * * Sets @widget as one of the action widgets. Depending on the pack type * the widget will be placed before or after the tabs. You can use * a #GtkBox if you need to pack more than one widget on the same side. * * Note that action widgets are "internal" children of the notebook and thus * not included in the list returned from gtk_container_foreach(). * * Since: 2.20 */ void gtk_notebook_set_action_widget (GtkNotebook *notebook, GtkWidget *widget, GtkPackType pack_type) { GtkNotebookPrivate *priv; g_return_if_fail (GTK_IS_NOTEBOOK (notebook)); g_return_if_fail (!widget || GTK_IS_WIDGET (widget)); g_return_if_fail (!widget || widget->parent == NULL); priv = GTK_NOTEBOOK_GET_PRIVATE (notebook); if (priv->action_widget[pack_type]) gtk_widget_unparent (priv->action_widget[pack_type]); priv->action_widget[pack_type] = widget; if (widget) { gtk_widget_set_child_visible (widget, notebook->show_tabs); gtk_widget_set_parent (widget, GTK_WIDGET (notebook)); } gtk_widget_queue_resize (GTK_WIDGET (notebook)); } #define __GTK_NOTEBOOK_C__ #include "gtkaliasdef.c"