 b2539ba480
			
		
	
	b2539ba480
	
	
	
		
			
			Wed Feb 20 16:44:05 2002 Jonathan Blandford <jrb@redhat.com> * gtk/gtktreeview.c (gtk_tree_view_scroll_to_cell): delay scrolling until we try to draw the window. * gtk/gtktreeview.c (validate_visible_area): Implement scroll_to_cell.
		
			
				
	
	
		
			342 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			342 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* gtktreeprivate.h
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|  * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@redhat.com>
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|  *
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|  * This library is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Library General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of the License, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Library General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Library General Public
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|  * License along with this library; if not, write to the
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|  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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|  * Boston, MA 02111-1307, USA.
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|  */
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| 
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| #ifndef __GTK_TREE_PRIVATE_H__
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| #define __GTK_TREE_PRIVATE_H__
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| 
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif /* __cplusplus */
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| 
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| #include <gtk/gtktreeview.h>
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| #include <gtk/gtktreeselection.h>
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| #include <gtk/gtkrbtree.h>
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|   
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| #define TREE_VIEW_DRAG_WIDTH 6
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| 
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| typedef enum
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| {
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|   GTK_TREE_VIEW_IS_LIST = 1 << 0,
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|   GTK_TREE_VIEW_SHOW_EXPANDERS = 1 << 1,
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|   GTK_TREE_VIEW_IN_COLUMN_RESIZE = 1 << 2,
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|   GTK_TREE_VIEW_ARROW_PRELIT = 1 << 3,
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|   GTK_TREE_VIEW_HEADERS_VISIBLE = 1 << 4,
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|   GTK_TREE_VIEW_DRAW_KEYFOCUS = 1 << 5,
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|   GTK_TREE_VIEW_MODEL_SETUP = 1 << 6,
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|   GTK_TREE_VIEW_IN_COLUMN_DRAG = 1 << 7
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| } GtkTreeViewFlags;
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| 
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| enum
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| {
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|   DRAG_COLUMN_WINDOW_STATE_UNSET = 0,
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|   DRAG_COLUMN_WINDOW_STATE_ORIGINAL = 1,
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|   DRAG_COLUMN_WINDOW_STATE_ARROW = 2,
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|   DRAG_COLUMN_WINDOW_STATE_ARROW_LEFT = 3,
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|   DRAG_COLUMN_WINDOW_STATE_ARROW_RIGHT = 4
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| };
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|   
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| #define GTK_TREE_VIEW_SET_FLAG(tree_view, flag)   G_STMT_START{ (tree_view->priv->flags|=flag); }G_STMT_END
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| #define GTK_TREE_VIEW_UNSET_FLAG(tree_view, flag) G_STMT_START{ (tree_view->priv->flags&=~(flag)); }G_STMT_END
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| #define GTK_TREE_VIEW_FLAG_SET(tree_view, flag)   ((tree_view->priv->flags&flag)==flag)
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| #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)
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| #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))
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| #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))
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| 
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|  /* This lovely little value is used to determine how far away from the title bar
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|   * you can move the mouse and still have a column drag work.
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|   */
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| #define TREE_VIEW_COLUMN_DRAG_DEAD_MULTIPLIER(tree_view) (10*TREE_VIEW_HEADER_HEIGHT(tree_view))
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| 
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| typedef void (*GtkTreeViewSearchDialogPositionFunc) (GtkTreeView *tree_view,
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| 						     GtkWidget   *search_dialog);
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| 
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| typedef struct _GtkTreeViewColumnReorder GtkTreeViewColumnReorder;
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| struct _GtkTreeViewColumnReorder
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| {
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|   gint left_align;
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|   gint right_align;
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|   GtkTreeViewColumn *left_column;
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|   GtkTreeViewColumn *right_column;
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| };
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| 
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| struct _GtkTreeViewPrivate
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| {
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|   GtkTreeModel *model;
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| 
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|   guint flags;
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|   /* tree information */
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|   GtkRBTree *tree;
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| 
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|   GtkRBNode *button_pressed_node;
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|   GtkRBTree *button_pressed_tree;
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| 
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|   GList *children;
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|   gint width;
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|   gint height;
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|   gint expander_size;
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| 
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|   GtkAdjustment *hadjustment;
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|   GtkAdjustment *vadjustment;
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| 
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|   GdkWindow *bin_window;
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|   GdkWindow *header_window;
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|   GdkWindow *drag_window;
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|   GdkWindow *drag_highlight_window;
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|   GtkTreeViewColumn *drag_column;
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| 
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|   GtkTreeRowReference *last_single_clicked;
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|   GtkTreeRowReference *last_single_clicked_2;
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| 
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|   /* bin_window offset */
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|   GtkTreeRowReference *top_row;
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|   gint top_row_dy;
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|   /* dy == y pos of top_row + top_row_dy */
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|   /* we cache it for simplicity of the code */
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|   gint dy;
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|   gint drag_column_x;
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| 
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|   GtkTreeViewColumn *expander_column;
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|   GtkTreeViewColumn *edited_column;
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|   guint presize_handler_timer;
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|   guint validate_rows_timer;
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| 
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|   /* Focus code */
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|   GtkTreeViewColumn *focus_column;
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| 
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|   /* Selection stuff */
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|   GtkTreeRowReference *anchor;
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|   GtkTreeRowReference *cursor;
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| 
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|   /* Column Resizing */
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|   gint drag_pos;
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|   gint x_drag;
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| 
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|   /* Prelight information */
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|   GtkRBNode *prelight_node;
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|   GtkRBTree *prelight_tree;
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| 
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|   /* The node that's currently being collapsed or expanded */
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|   GtkRBNode *expanded_collapsed_node;
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|   GtkRBTree *expanded_collapsed_tree;
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|   guint expand_collapse_timeout;
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| 
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|   /* Selection information */
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|   GtkTreeSelection *selection;
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| 
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|   /* Header information */
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|   gint n_columns;
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|   GList *columns;
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|   gint header_height;
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| 
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|   GtkTreeViewColumnDropFunc column_drop_func;
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|   gpointer column_drop_func_data;
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|   GtkDestroyNotify column_drop_func_data_destroy;
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|   GList *column_drag_info;
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|   GtkTreeViewColumnReorder *cur_reorder;
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| 
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|   /* ATK Hack */
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|   GtkTreeDestroyCountFunc destroy_count_func;
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|   gpointer destroy_count_data;
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|   GtkDestroyNotify destroy_count_destroy;
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| 
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|   /* Scroll timeout (e.g. during dnd) */
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|   guint scroll_timeout;
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| 
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|   /* Row drag-and-drop */
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|   GtkTreeRowReference *drag_dest_row;
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|   GtkTreeViewDropPosition drag_dest_pos;
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|   guint open_dest_timeout;
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| 
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|   gint pressed_button;
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|   gint press_start_x;
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|   gint press_start_y;
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| 
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|   /* Scroll-to functionality when unrealized */
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|   GtkTreeRowReference *scroll_to_path;
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|   GtkTreeViewColumn *scroll_to_column;
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|   gfloat scroll_to_row_align;
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|   gfloat scroll_to_col_align;
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|   guint scroll_to_use_align : 1;
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| 
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|   guint reorderable : 1;
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|   guint header_has_focus : 1;
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|   guint drag_column_window_state : 3;
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|   /* hint to display rows in alternating colors */
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|   guint has_rules : 1;
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|   guint mark_rows_col_dirty : 1;
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|   
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|   /* interactive search */
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|   guint enable_search : 1;
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|   guint disable_popdown : 1;
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|   gint search_column;
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|   GtkTreeViewSearchDialogPositionFunc search_dialog_position_func;
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|   GtkTreeViewSearchEqualFunc search_equal_func;
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|   gpointer search_user_data;
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|   GtkDestroyNotify search_destroy;
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| };
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| 
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| #ifdef __GNUC__
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| 
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| #define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
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|      if (!(expr))                                                       \
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|        {                                                                \
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|          g_log (G_LOG_DOMAIN,                                           \
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|                 G_LOG_LEVEL_CRITICAL,                                   \
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| 		"file %s: line %d (%s): assertion `%s' failed.\n"       \
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| 	        "There is a disparity between the internal view of the GtkTreeView,\n"    \
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| 		"and the GtkTreeModel.  This generally means that the model has changed\n"\
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| 		"without letting the view know.  Any display from now on is likely to\n"  \
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| 		"be incorrect.\n",                                                        \
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|                 __FILE__,                                               \
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|                 __LINE__,                                               \
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|                 __PRETTY_FUNCTION__,                                    \
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|                 #expr);                                                 \
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|          return ret;                                                    \
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|        };                               }G_STMT_END
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| 
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| #define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{          \
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|      if (!(expr))                                                       \
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|        {                                                                \
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|          g_log (G_LOG_DOMAIN,                                           \
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|                 G_LOG_LEVEL_CRITICAL,                                   \
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| 		"file %s: line %d (%s): assertion `%s' failed.\n"       \
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| 	        "There is a disparity between the internal view of the GtkTreeView,\n"    \
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| 		"and the GtkTreeModel.  This generally means that the model has changed\n"\
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| 		"without letting the view know.  Any display from now on is likely to\n"  \
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| 		"be incorrect.\n",                                                        \
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|                 __FILE__,                                               \
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|                 __LINE__,                                               \
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|                 __PRETTY_FUNCTION__,                                    \
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|                 #expr);                                                 \
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|          return;                                                        \
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|        };                               }G_STMT_END
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| 
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| #else
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| 
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| #define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
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|      if (!(expr))                                                       \
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|        {                                                                \
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|          g_log (G_LOG_DOMAIN,                                           \
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|                 G_LOG_LEVEL_CRITICAL,                                   \
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| 		"file %s: line %d: assertion `%s' failed.\n"       \
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| 	        "There is a disparity between the internal view of the GtkTreeView,\n"    \
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| 		"and the GtkTreeModel.  This generally means that the model has changed\n"\
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| 		"without letting the view know.  Any display from now on is likely to\n"  \
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| 		"be incorrect.\n",                                                        \
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|                 __FILE__,                                               \
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|                 __LINE__,                                               \
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|                 #expr);                                                 \
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|          return ret;                                                    \
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|        };                               }G_STMT_END
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| 
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| #define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{          \
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|      if (!(expr))                                                       \
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|        {                                                                \
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|          g_log (G_LOG_DOMAIN,                                           \
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|                 G_LOG_LEVEL_CRITICAL,                                   \
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| 		"file %s: line %d: assertion '%s' failed.\n"            \
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| 	        "There is a disparity between the internal view of the GtkTreeView,\n"    \
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| 		"and the GtkTreeModel.  This generally means that the model has changed\n"\
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| 		"without letting the view know.  Any display from now on is likely to\n"  \
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| 		"be incorrect.\n",                                                        \
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|                 __FILE__,                                               \
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|                 __LINE__,                                               \
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|                 #expr);                                                 \
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|          return;                                                        \
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|        };                               }G_STMT_END
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| #endif
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| 
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| 
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| /* functions that shouldn't be exported */
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| void         _gtk_tree_selection_internal_select_node (GtkTreeSelection  *selection,
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| 						       GtkRBNode         *node,
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| 						       GtkRBTree         *tree,
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| 						       GtkTreePath       *path,
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| 						       GdkModifierType    state);
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| gboolean     _gtk_tree_view_find_node                 (GtkTreeView       *tree_view,
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| 						       GtkTreePath       *path,
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| 						       GtkRBTree        **tree,
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| 						       GtkRBNode        **node);
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| GtkTreePath *_gtk_tree_view_find_path                 (GtkTreeView       *tree_view,
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| 						       GtkRBTree         *tree,
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| 						       GtkRBNode         *node);
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| void         _gtk_tree_view_child_move_resize         (GtkTreeView       *tree_view,
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| 						       GtkWidget         *widget,
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| 						       gint               x,
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| 						       gint               y,
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| 						       gint               width,
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| 						       gint               height);
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| void         _gtk_tree_view_queue_draw_node           (GtkTreeView       *tree_view,
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| 						       GtkRBTree         *tree,
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| 						       GtkRBNode         *node,
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| 						       GdkRectangle      *clip_rect);
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| 
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| void _gtk_tree_view_column_realize_button   (GtkTreeViewColumn *column);
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| void _gtk_tree_view_column_unrealize_button (GtkTreeViewColumn *column);
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| void _gtk_tree_view_column_set_tree_view    (GtkTreeViewColumn *column,
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| 					     GtkTreeView       *tree_view);
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| void _gtk_tree_view_column_unset_tree_view  (GtkTreeViewColumn *column);
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| void _gtk_tree_view_column_set_width        (GtkTreeViewColumn *column,
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| 					     gint               width);
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| void _gtk_tree_view_column_start_drag       (GtkTreeView       *tree_view,
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| 					     GtkTreeViewColumn *column);
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| gboolean _gtk_tree_view_column_cell_event   (GtkTreeViewColumn  *tree_column,
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| 					     GtkCellEditable   **editable_widget,
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| 					     GdkEvent           *event,
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| 					     gchar              *path_string,
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| 					     GdkRectangle       *background_area,
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| 					     GdkRectangle       *cell_area,
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| 					     guint               flags);
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| void _gtk_tree_view_column_start_editing (GtkTreeViewColumn *tree_column,
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| 					  GtkCellEditable   *editable_widget);
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| void _gtk_tree_view_column_stop_editing  (GtkTreeViewColumn *tree_column);
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| void _gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view);					 
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| 
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| GtkTreeSelection* _gtk_tree_selection_new                (void);
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| GtkTreeSelection* _gtk_tree_selection_new_with_tree_view (GtkTreeView      *tree_view);
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| void              _gtk_tree_selection_set_tree_view      (GtkTreeSelection *selection,
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|                                                           GtkTreeView      *tree_view);
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| 
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| void		  _gtk_tree_view_column_cell_render      (GtkTreeViewColumn *tree_column,
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| 							  GdkWindow         *window,
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| 							  GdkRectangle      *background_area,
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| 							  GdkRectangle      *cell_area,
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| 							  GdkRectangle      *expose_area,
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| 							  guint              flags);
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| gboolean	  _gtk_tree_view_column_cell_focus       (GtkTreeViewColumn *tree_column,
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| 							  gint               direction);
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| void		  _gtk_tree_view_column_cell_draw_focus  (GtkTreeViewColumn *tree_column,
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| 							  GdkWindow         *window,
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| 							  GdkRectangle      *background_area,
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| 							  GdkRectangle      *cell_area,
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| 							  GdkRectangle      *expose_area,
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| 							  guint              flags);
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| void		  _gtk_tree_view_column_cell_set_dirty	 (GtkTreeViewColumn *tree_column,
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| 							  gboolean           install_handler);
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| 
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| 
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| #ifdef __cplusplus
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| }
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| #endif /* __cplusplus */
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| 
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| 
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| #endif /* __GTK_TREE_PRIVATE_H__ */
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| 
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