/* gtktreeprivate.h
* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*/
#ifndef __GTK_TREE_PRIVATE_H__
#define __GTK_TREE_PRIVATE_H__
G_BEGIN_DECLS
#include <gtk/gtktreeview.h>
#include <gtk/gtktreeselection.h>
#include <gtk/gtkrbtree.h>
#define TREE_VIEW_DRAG_WIDTH 6
typedef enum
{
GTK_TREE_VIEW_IS_LIST = 1 << 0,
GTK_TREE_VIEW_SHOW_EXPANDERS = 1 << 1,
GTK_TREE_VIEW_IN_COLUMN_RESIZE = 1 << 2,
GTK_TREE_VIEW_ARROW_PRELIT = 1 << 3,
GTK_TREE_VIEW_HEADERS_VISIBLE = 1 << 4,
GTK_TREE_VIEW_DRAW_KEYFOCUS = 1 << 5,
GTK_TREE_VIEW_MODEL_SETUP = 1 << 6,
GTK_TREE_VIEW_IN_COLUMN_DRAG = 1 << 7
} GtkTreeViewFlags;
typedef enum
{
GTK_TREE_SELECT_MODE_TOGGLE = 1 << 0,
GTK_TREE_SELECT_MODE_EXTEND = 1 << 1
}
GtkTreeSelectMode;
enum
{
DRAG_COLUMN_WINDOW_STATE_UNSET = 0,
DRAG_COLUMN_WINDOW_STATE_ORIGINAL = 1,
DRAG_COLUMN_WINDOW_STATE_ARROW = 2,
DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT = 3,
DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT = 4
};
enum
{
RUBBER_BAND_OFF = 0,
RUBBER_BAND_MAYBE_START = 1,
RUBBER_BAND_ACTIVE = 2
};
#define GTK_TREE_VIEW_SET_FLAG(tree_view, flag) G_STMT_START{ (tree_view->priv->flags|=flag); }G_STMT_END
#define GTK_TREE_VIEW_UNSET_FLAG(tree_view, flag) G_STMT_START{ (tree_view->priv->flags&=~(flag)); }G_STMT_END
#define GTK_TREE_VIEW_FLAG_SET(tree_view, flag) ((tree_view->priv->flags&flag)==flag)
#define TREE_VIEW_HEADER_HEIGHT(tree_view) (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE)?tree_view->priv->header_height:0)
#define TREE_VIEW_COLUMN_REQUESTED_WIDTH(column) (CLAMP (column->requested_width, (column->min_width!=-1)?column->min_width:column->requested_width, (column->max_width!=-1)?column->max_width:column->requested_width))
#define TREE_VIEW_DRAW_EXPANDERS(tree_view) (!GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST)&>K_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS))
/* This lovely little value is used to determine how far away from the title bar
* you can move the mouse and still have a column drag work.
*/
#define TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER(tree_view) (10*TREE_VIEW_HEADER_HEIGHT(tree_view))
typedef struct _GtkTreeViewColumnReorder GtkTreeViewColumnReorder;
struct _GtkTreeViewColumnReorder
{
gint left_align;
gint right_align;
GtkTreeViewColumn *left_column;
GtkTreeViewColumn *right_column;
};
struct _GtkTreeViewPrivate
{
GtkTreeModel *model;
guint flags;
/* tree information */
GtkRBTree *tree;
/* Container info */
GList *children;
gint width;
gint height;
/* Adjustments */
GtkAdjustment *hadjustment;
GtkAdjustment *vadjustment;
/* Sub windows */
GdkWindow *bin_window;
GdkWindow *header_window;
/* Scroll position state keeping */
GtkTreeRowReference *top_row;
gint top_row_dy;
/* dy == y pos of top_row + top_row_dy */
/* we cache it for simplicity of the code */
gint dy;
guint presize_handler_timer;
guint validate_rows_timer;
guint scroll_sync_timer;
/* Indentation and expander layout */
gint expander_size;
GtkTreeViewColumn *expander_column;
gint level_indentation;
/* Key navigation (focus), selection */
gint cursor_offset;
GtkTreeRowReference *anchor;
GtkTreeRowReference *cursor;
GtkTreeViewColumn *focus_column;
/* Current pressed node, previously pressed, prelight */
GtkRBNode *button_pressed_node;
GtkRBTree *button_pressed_tree;
gint pressed_button;
gint press_start_x;
gint press_start_y;
gint event_last_x;
gint event_last_y;
guint last_button_time;
gint last_button_x;
gint last_button_y;
GtkRBNode *prelight_node;
GtkRBTree *prelight_tree;
/* Cell Editing */
GtkTreeViewColumn *edited_column;
/* The node that's currently being collapsed or expanded */
GtkRBNode *expanded_collapsed_node;
GtkRBTree *expanded_collapsed_tree;
guint expand_collapse_timeout;
/* Auto expand/collapse timeout in hover mode */
guint auto_expand_timeout;
/* Selection information */
GtkTreeSelection *selection;
/* Header information */
gint n_columns;
GList *columns;
gint header_height;
GtkTreeViewColumnDropFunc column_drop_func;
gpointer column_drop_func_data;
GDestroyNotify column_drop_func_data_destroy;
GList *column_drag_info;
GtkTreeViewColumnReorder *cur_reorder;
gint prev_width_before_expander;
/* Interactive Header reordering */
GdkWindow *drag_window;
GdkWindow *drag_highlight_window;
GtkTreeViewColumn *drag_column;
gint drag_column_x;
/* Interactive Header Resizing */
gint drag_pos;
gint x_drag;
/* Non-interactive Header Resizing, expand flag support */
gint prev_width;
gint last_extra_space;
gint last_extra_space_per_column;
gint last_number_of_expand_columns;
/* ATK Hack */
GtkTreeDestroyCountFunc destroy_count_func;
gpointer destroy_count_data;
GDestroyNotify destroy_count_destroy;
/* Scroll timeout (e.g. during dnd, rubber banding) */
guint scroll_timeout;
/* Row drag-and-drop */
GtkTreeRowReference *drag_dest_row;
GtkTreeViewDropPosition drag_dest_pos;
guint open_dest_timeout;
/* Rubber banding */
gint rubber_band_status;
gint rubber_band_x;
gint rubber_band_y;
gint rubber_band_extend;
gint rubber_band_modify;
GtkRBNode *rubber_band_start_node;
GtkRBTree *rubber_band_start_tree;
GtkRBNode *rubber_band_end_node;
GtkRBTree *rubber_band_end_tree;
/* fixed height */
gint fixed_height;
/* Scroll-to functionality when unrealized */
GtkTreeRowReference *scroll_to_path;
GtkTreeViewColumn *scroll_to_column;
gfloat scroll_to_row_align;
gfloat scroll_to_col_align;
/* Interactive search */
gint selected_iter;
gint search_column;
GtkTreeViewSearchPositionFunc search_position_func;
GtkTreeViewSearchEqualFunc search_equal_func;
gpointer search_user_data;
GDestroyNotify search_destroy;
gpointer search_position_user_data;
GDestroyNotify search_position_destroy;
GtkWidget *search_window;
GtkWidget *search_entry;
guint search_entry_changed_id;
guint typeselect_flush_timeout;
/* Grid and tree lines */
GtkTreeViewGridLines grid_lines;
double grid_line_dashes[2];
int grid_line_width;
gboolean tree_lines_enabled;
double tree_line_dashes[2];
int tree_line_width;
/* Row separators */
GtkTreeViewRowSeparatorFunc row_separator_func;
gpointer row_separator_data;
GDestroyNotify row_separator_destroy;
/* Tooltip support */
gint tooltip_column;
/* Here comes the bitfield */
guint scroll_to_use_align : 1;
guint fixed_height_mode : 1;
guint fixed_height_check : 1;
guint reorderable : 1;
guint header_has_focus : 1;
guint drag_column_window_state : 3;
/* hint to display rows in alternating colors */
guint has_rules : 1;
guint mark_rows_col_dirty : 1;
/* for DnD */
guint empty_view_drop : 1;
guint modify_selection_pressed : 1;
guint extend_selection_pressed : 1;
guint init_hadjust_value : 1;
guint in_top_row_to_dy : 1;
/* interactive search */
guint enable_search : 1;
guint disable_popdown : 1;
guint search_custom_entry_set : 1;
guint hover_selection : 1;
guint hover_expand : 1;
guint imcontext_changed : 1;
guint rubber_banding_enable : 1;
guint in_grab : 1;
guint post_validation_flag : 1;
/* Whether our key press handler is to avoid sending an unhandled binding to the search entry */
guint search_entry_avoid_unhandled_binding : 1;
};
#ifdef __GNUC__
#define TREE_VIEW_INTERNAL_ASSERT(expr, ret) G_STMT_START{ \
if (!(expr)) \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"%s (%s): assertion `%s' failed.\n" \
"There is a disparity between the internal view of the GtkTreeView,\n" \
"and the GtkTreeModel. This generally means that the model has changed\n"\
"without letting the view know. Any display from now on is likely to\n" \
"be incorrect.\n", \
G_STRLOC, \
G_STRFUNC, \
#expr); \
return ret; \
}; }G_STMT_END
#define TREE_VIEW_INTERNAL_ASSERT_VOID(expr) G_STMT_START{ \
if (!(expr)) \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"%s (%s): assertion `%s' failed.\n" \
"There is a disparity between the internal view of the GtkTreeView,\n" \
"and the GtkTreeModel. This generally means that the model has changed\n"\
"without letting the view know. Any display from now on is likely to\n" \
"be incorrect.\n", \
G_STRLOC, \
G_STRFUNC, \
#expr); \
return; \
}; }G_STMT_END
#else
#define TREE_VIEW_INTERNAL_ASSERT(expr, ret) G_STMT_START{ \
if (!(expr)) \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"file %s: line %d: assertion `%s' failed.\n" \
"There is a disparity between the internal view of the GtkTreeView,\n" \
"and the GtkTreeModel. This generally means that the model has changed\n"\
"without letting the view know. Any display from now on is likely to\n" \
"be incorrect.\n", \
__FILE__, \
__LINE__, \
#expr); \
return ret; \
}; }G_STMT_END
#define TREE_VIEW_INTERNAL_ASSERT_VOID(expr) G_STMT_START{ \
if (!(expr)) \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"file %s: line %d: assertion '%s' failed.\n" \
"There is a disparity between the internal view of the GtkTreeView,\n" \
"and the GtkTreeModel. This generally means that the model has changed\n"\
"without letting the view know. Any display from now on is likely to\n" \
"be incorrect.\n", \
__FILE__, \
__LINE__, \
#expr); \
return; \
}; }G_STMT_END
#endif
/* functions that shouldn't be exported */
void _gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
GtkRBNode *node,
GtkRBTree *tree,
GtkTreePath *path,
GtkTreeSelectMode mode,
gboolean override_browse_mode);
void _gtk_tree_selection_emit_changed (GtkTreeSelection *selection);
gboolean _gtk_tree_view_find_node (GtkTreeView *tree_view,
GtkTreePath *path,
GtkRBTree **tree,
GtkRBNode **node);
GtkTreePath *_gtk_tree_view_find_path (GtkTreeView *tree_view,
GtkRBTree *tree,
GtkRBNode *node);
void _gtk_tree_view_child_move_resize (GtkTreeView *tree_view,
GtkWidget *widget,
gint x,
gint y,
gint width,
gint height);
void _gtk_tree_view_queue_draw_node (GtkTreeView *tree_view,
GtkRBTree *tree,
GtkRBNode *node,
const GdkRectangle *clip_rect);
void _gtk_tree_view_column_realize_button (GtkTreeViewColumn *column);
void _gtk_tree_view_column_unrealize_button (GtkTreeViewColumn *column);
void _gtk_tree_view_column_set_tree_view (GtkTreeViewColumn *column,
GtkTreeView *tree_view);
void _gtk_tree_view_column_unset_model (GtkTreeViewColumn *column,
GtkTreeModel *old_model);
void _gtk_tree_view_column_unset_tree_view (GtkTreeViewColumn *column);
void _gtk_tree_view_column_set_width (GtkTreeViewColumn *column,
gint width);
void _gtk_tree_view_column_start_drag (GtkTreeView *tree_view,
GtkTreeViewColumn *column);
gboolean _gtk_tree_view_column_cell_event (GtkTreeViewColumn *tree_column,
GtkCellEditable **editable_widget,
GdkEvent *event,
gchar *path_string,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
guint flags);
void _gtk_tree_view_column_start_editing (GtkTreeViewColumn *tree_column,
GtkCellEditable *editable_widget);
void _gtk_tree_view_column_stop_editing (GtkTreeViewColumn *tree_column);
void _gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view);
void _gtk_tree_view_column_autosize (GtkTreeView *tree_view,
GtkTreeViewColumn *column);
gboolean _gtk_tree_view_column_has_editable_cell (GtkTreeViewColumn *column);
GtkCellRenderer *_gtk_tree_view_column_get_edited_cell (GtkTreeViewColumn *column);
gint _gtk_tree_view_column_count_special_cells (GtkTreeViewColumn *column);
GtkCellRenderer *_gtk_tree_view_column_get_cell_at_pos (GtkTreeViewColumn *column,
gint x);
GtkTreeSelection* _gtk_tree_selection_new (void);
GtkTreeSelection* _gtk_tree_selection_new_with_tree_view (GtkTreeView *tree_view);
void _gtk_tree_selection_set_tree_view (GtkTreeSelection *selection,
GtkTreeView *tree_view);
gboolean _gtk_tree_selection_row_is_selectable (GtkTreeSelection *selection,
GtkRBNode *node,
GtkTreePath *path);
void _gtk_tree_view_column_cell_render (GtkTreeViewColumn *tree_column,
GdkWindow *window,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
const GdkRectangle *expose_area,
guint flags);
void _gtk_tree_view_column_get_focus_area (GtkTreeViewColumn *tree_column,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
GdkRectangle *focus_area);
gboolean _gtk_tree_view_column_cell_focus (GtkTreeViewColumn *tree_column,
gint direction,
gboolean left,
gboolean right);
void _gtk_tree_view_column_cell_draw_focus (GtkTreeViewColumn *tree_column,
GdkWindow *window,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
const GdkRectangle *expose_area,
guint flags);
void _gtk_tree_view_column_cell_set_dirty (GtkTreeViewColumn *tree_column,
gboolean install_handler);
void _gtk_tree_view_column_get_neighbor_sizes (GtkTreeViewColumn *column,
GtkCellRenderer *cell,
gint *left,
gint *right);
G_END_DECLS
#endif /* __GTK_TREE_PRIVATE_H__ */