/* gtktoggletoolbutton.c * * Copyright (C) 2002 Anders Carlsson * Copyright (C) 2002 James Henstridge * * 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. */ #include "config.h" #include "gtktoggletoolbutton.h" #include "gtkcheckmenuitem.h" #include "gtklabel.h" #include "gtktogglebutton.h" #include "gtkstock.h" #include "gtkintl.h" #include "gtkradiotoolbutton.h" #include "gtktoggleaction.h" #include "gtkactivatable.h" #include "gtkprivate.h" #include "gtkalias.h" #define MENU_ID "gtk-toggle-tool-button-menu-id" enum { TOGGLED, LAST_SIGNAL }; enum { PROP_0, PROP_ACTIVE }; #define GTK_TOGGLE_TOOL_BUTTON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_TOGGLE_TOOL_BUTTON, GtkToggleToolButtonPrivate)) struct _GtkToggleToolButtonPrivate { guint active : 1; }; static void gtk_toggle_tool_button_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_toggle_tool_button_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static gboolean gtk_toggle_tool_button_create_menu_proxy (GtkToolItem *button); static void button_toggled (GtkWidget *widget, GtkToggleToolButton *button); static void menu_item_activated (GtkWidget *widget, GtkToggleToolButton *button); static void gtk_toggle_tool_button_activatable_interface_init (GtkActivatableIface *iface); static void gtk_toggle_tool_button_update (GtkActivatable *activatable, GtkAction *action, const gchar *property_name); static void gtk_toggle_tool_button_sync_action_properties (GtkActivatable *activatable, GtkAction *action); static GtkActivatableIface *parent_activatable_iface; static guint toggle_signals[LAST_SIGNAL] = { 0 }; G_DEFINE_TYPE_WITH_CODE (GtkToggleToolButton, gtk_toggle_tool_button, GTK_TYPE_TOOL_BUTTON, G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE, gtk_toggle_tool_button_activatable_interface_init)) static void gtk_toggle_tool_button_class_init (GtkToggleToolButtonClass *klass) { GObjectClass *object_class; GtkToolItemClass *toolitem_class; GtkToolButtonClass *toolbutton_class; object_class = (GObjectClass *)klass; toolitem_class = (GtkToolItemClass *)klass; toolbutton_class = (GtkToolButtonClass *)klass; object_class->set_property = gtk_toggle_tool_button_set_property; object_class->get_property = gtk_toggle_tool_button_get_property; toolitem_class->create_menu_proxy = gtk_toggle_tool_button_create_menu_proxy; toolbutton_class->button_type = GTK_TYPE_TOGGLE_BUTTON; /** * GtkToggleToolButton:active: * * If the toggle tool button should be pressed in or not. * * Since: 2.8 */ g_object_class_install_property (object_class, PROP_ACTIVE, g_param_spec_boolean ("active", P_("Active"), P_("If the toggle button should be pressed in or not"), FALSE, GTK_PARAM_READWRITE)); /** * GtkToggleToolButton::toggled: * @toggle_tool_button: the object that emitted the signal * * Emitted whenever the toggle tool button changes state. **/ toggle_signals[TOGGLED] = g_signal_new (I_("toggled"), G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GtkToggleToolButtonClass, toggled), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); g_type_class_add_private (object_class, sizeof (GtkToggleToolButtonPrivate)); } static void gtk_toggle_tool_button_init (GtkToggleToolButton *button) { GtkToolButton *tool_button = GTK_TOOL_BUTTON (button); GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (_gtk_tool_button_get_button (tool_button)); button->priv = GTK_TOGGLE_TOOL_BUTTON_GET_PRIVATE (button); /* If the real button is a radio button, it may have been * active at the time it was created. */ button->priv->active = gtk_toggle_button_get_active (toggle_button); g_signal_connect_object (toggle_button, "toggled", G_CALLBACK (button_toggled), button, 0); } static void gtk_toggle_tool_button_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkToggleToolButton *button = GTK_TOGGLE_TOOL_BUTTON (object); switch (prop_id) { case PROP_ACTIVE: gtk_toggle_tool_button_set_active (button, g_value_get_boolean (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_toggle_tool_button_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkToggleToolButton *button = GTK_TOGGLE_TOOL_BUTTON (object); switch (prop_id) { case PROP_ACTIVE: g_value_set_boolean (value, gtk_toggle_tool_button_get_active (button)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static gboolean gtk_toggle_tool_button_create_menu_proxy (GtkToolItem *item) { GtkToolButton *tool_button = GTK_TOOL_BUTTON (item); GtkToggleToolButton *toggle_tool_button = GTK_TOGGLE_TOOL_BUTTON (item); GtkWidget *menu_item = NULL; GtkStockItem stock_item; gboolean use_mnemonic = TRUE; const char *label; GtkWidget *label_widget; const gchar *label_text; const gchar *stock_id; if (_gtk_tool_item_create_menu_proxy (item)) return TRUE; label_widget = gtk_tool_button_get_label_widget (tool_button); label_text = gtk_tool_button_get_label (tool_button); stock_id = gtk_tool_button_get_stock_id (tool_button); if (GTK_IS_LABEL (label_widget)) { label = gtk_label_get_label (GTK_LABEL (label_widget)); use_mnemonic = gtk_label_get_use_underline (GTK_LABEL (label_widget)); } else if (label_text) { label = label_text; use_mnemonic = gtk_tool_button_get_use_underline (tool_button); } else if (stock_id && gtk_stock_lookup (stock_id, &stock_item)) { label = stock_item.label; } else { label = ""; } if (use_mnemonic) menu_item = gtk_check_menu_item_new_with_mnemonic (label); else menu_item = gtk_check_menu_item_new_with_label (label); gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item), toggle_tool_button->priv->active); if (GTK_IS_RADIO_TOOL_BUTTON (toggle_tool_button)) { gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (menu_item), TRUE); } g_signal_connect_closure_by_id (menu_item, g_signal_lookup ("activate", G_OBJECT_TYPE (menu_item)), 0, g_cclosure_new_object (G_CALLBACK (menu_item_activated), G_OBJECT (toggle_tool_button)), FALSE); gtk_tool_item_set_proxy_menu_item (item, MENU_ID, menu_item); return TRUE; } /* There are two activatable widgets, a toggle button and a menu item. * * If a widget is activated and the state of the tool button is the same as * the new state of the activated widget, then the other widget was the one * that was activated by the user and updated the tool button's state. * * If the state of the tool button is not the same as the new state of the * activated widget, then the activation was activated by the user, and the * widget needs to make sure the tool button is updated before the other * widget is activated. This will make sure the other widget a tool button * in a state that matches its own new state. */ static void menu_item_activated (GtkWidget *menu_item, GtkToggleToolButton *toggle_tool_button) { GtkToolButton *tool_button = GTK_TOOL_BUTTON (toggle_tool_button); gboolean menu_active = gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (menu_item)); if (toggle_tool_button->priv->active != menu_active) { toggle_tool_button->priv->active = menu_active; gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (_gtk_tool_button_get_button (tool_button)), toggle_tool_button->priv->active); g_object_notify (G_OBJECT (toggle_tool_button), "active"); g_signal_emit (toggle_tool_button, toggle_signals[TOGGLED], 0); } } static void button_toggled (GtkWidget *widget, GtkToggleToolButton *toggle_tool_button) { gboolean toggle_active = GTK_TOGGLE_BUTTON (widget)->active; if (toggle_tool_button->priv->active != toggle_active) { GtkWidget *menu_item; toggle_tool_button->priv->active = toggle_active; if ((menu_item = gtk_tool_item_get_proxy_menu_item (GTK_TOOL_ITEM (toggle_tool_button), MENU_ID))) { gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item), toggle_tool_button->priv->active); } g_object_notify (G_OBJECT (toggle_tool_button), "active"); g_signal_emit (toggle_tool_button, toggle_signals[TOGGLED], 0); } } static void gtk_toggle_tool_button_activatable_interface_init (GtkActivatableIface *iface) { parent_activatable_iface = g_type_interface_peek_parent (iface); iface->update = gtk_toggle_tool_button_update; iface->sync_action_properties = gtk_toggle_tool_button_sync_action_properties; } static void gtk_toggle_tool_button_update (GtkActivatable *activatable, GtkAction *action, const gchar *property_name) { GtkToggleToolButton *button; parent_activatable_iface->update (activatable, action, property_name); button = GTK_TOGGLE_TOOL_BUTTON (activatable); if (strcmp (property_name, "active") == 0) { gtk_action_block_activate (action); gtk_toggle_tool_button_set_active (button, gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action))); gtk_action_unblock_activate (action); } } static void gtk_toggle_tool_button_sync_action_properties (GtkActivatable *activatable, GtkAction *action) { GtkToggleToolButton *button; parent_activatable_iface->sync_action_properties (activatable, action); if (!GTK_IS_TOGGLE_ACTION (action)) return; button = GTK_TOGGLE_TOOL_BUTTON (activatable); gtk_action_block_activate (action); gtk_toggle_tool_button_set_active (button, gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action))); gtk_action_unblock_activate (action); } /** * gtk_toggle_tool_button_new: * * Returns a new #GtkToggleToolButton * * Return value: a newly created #GtkToggleToolButton * * Since: 2.4 **/ GtkToolItem * gtk_toggle_tool_button_new (void) { GtkToolButton *button; button = g_object_new (GTK_TYPE_TOGGLE_TOOL_BUTTON, NULL); return GTK_TOOL_ITEM (button); } /** * gtk_toggle_tool_button_new_from_stock: * @stock_id: the name of the stock item * * Creates a new #GtkToggleToolButton containing the image and text from a * stock item. Some stock ids have preprocessor macros like #GTK_STOCK_OK * and #GTK_STOCK_APPLY. * * It is an error if @stock_id is not a name of a stock item. * * Return value: A new #GtkToggleToolButton * * Since: 2.4 **/ GtkToolItem * gtk_toggle_tool_button_new_from_stock (const gchar *stock_id) { GtkToolButton *button; g_return_val_if_fail (stock_id != NULL, NULL); button = g_object_new (GTK_TYPE_TOGGLE_TOOL_BUTTON, "stock-id", stock_id, NULL); return GTK_TOOL_ITEM (button); } /** * gtk_toggle_tool_button_set_active: * @button: a #GtkToggleToolButton * @is_active: whether @button should be active * * Sets the status of the toggle tool button. Set to %TRUE if you * want the GtkToggleButton to be 'pressed in', and %FALSE to raise it. * This action causes the toggled signal to be emitted. * * Since: 2.4 **/ void gtk_toggle_tool_button_set_active (GtkToggleToolButton *button, gboolean is_active) { g_return_if_fail (GTK_IS_TOGGLE_TOOL_BUTTON (button)); is_active = is_active != FALSE; if (button->priv->active != is_active) gtk_button_clicked (GTK_BUTTON (_gtk_tool_button_get_button (GTK_TOOL_BUTTON (button)))); } /** * gtk_toggle_tool_button_get_active: * @button: a #GtkToggleToolButton * * Queries a #GtkToggleToolButton and returns its current state. * Returns %TRUE if the toggle button is pressed in and %FALSE if it is raised. * * Return value: %TRUE if the toggle tool button is pressed in, %FALSE if not * * Since: 2.4 **/ gboolean gtk_toggle_tool_button_get_active (GtkToggleToolButton *button) { g_return_val_if_fail (GTK_IS_TOGGLE_TOOL_BUTTON (button), FALSE); return button->priv->active; } #define __GTK_TOGGLE_TOOL_BUTTON_C__ #include "gtkaliasdef.c"