forked from AuroraMiddleware/gtk
d97cdbdf53
2008-06-21 Johan Dahlin <jdahlin@async.com.br> * *.[ch]: Include "config.h" instead of <config.h> Command used: find -name \*.[ch]|xargs perl -p -i -e 's/^#include <config.h>/#include "config.h"/g' Rubberstamped by Mitch and Tim svn path=/trunk/; revision=20669
4688 lines
146 KiB
C
4688 lines
146 KiB
C
/* GAIL - The GNOME Accessibility Implementation Library
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* Copyright 2001, 2002, 2003 Sun Microsystems Inc.
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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#include "config.h"
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#include <string.h>
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#include <gtk/gtk.h>
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#ifdef GDK_WINDOWING_X11
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#include <gdk/x11/gdkx.h>
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#endif
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#include "gailtreeview.h"
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#include "gailrenderercell.h"
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#include "gailbooleancell.h"
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#include "gailcontainercell.h"
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#include "gailtextcell.h"
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#include "gailcellparent.h"
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#include "gail-private-macros.h"
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typedef struct _GailTreeViewRowInfo GailTreeViewRowInfo;
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typedef struct _GailTreeViewCellInfo GailTreeViewCellInfo;
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static void gail_tree_view_class_init (GailTreeViewClass *klass);
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static void gail_tree_view_init (GailTreeView *view);
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static void gail_tree_view_real_initialize (AtkObject *obj,
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gpointer data);
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static void gail_tree_view_real_notify_gtk (GObject *obj,
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GParamSpec *pspec);
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static void gail_tree_view_finalize (GObject *object);
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static void gail_tree_view_connect_widget_destroyed
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(GtkAccessible *accessible);
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static void gail_tree_view_destroyed (GtkWidget *widget,
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GtkAccessible *accessible);
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/* atkobject.h */
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static gint gail_tree_view_get_n_children (AtkObject *obj);
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static AtkObject* gail_tree_view_ref_child (AtkObject *obj,
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gint i);
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static AtkStateSet* gail_tree_view_ref_state_set (AtkObject *obj);
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/* atkcomponent.h */
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static void atk_component_interface_init (AtkComponentIface *iface);
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static AtkObject* gail_tree_view_ref_accessible_at_point
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(AtkComponent *component,
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gint x,
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gint y,
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AtkCoordType coord_type);
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/* atktable.h */
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static void atk_table_interface_init (AtkTableIface *iface);
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static gint gail_tree_view_get_index_at (AtkTable *table,
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gint row,
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gint column);
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static gint gail_tree_view_get_column_at_index
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(AtkTable *table,
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gint index);
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static gint gail_tree_view_get_row_at_index (AtkTable *table,
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gint index);
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static AtkObject* gail_tree_view_table_ref_at (AtkTable *table,
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gint row,
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gint column);
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static gint gail_tree_view_get_n_rows (AtkTable *table);
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static gint gail_tree_view_get_n_columns (AtkTable *table);
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static gint get_n_actual_columns (GtkTreeView *tree_view);
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static gboolean gail_tree_view_is_row_selected (AtkTable *table,
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gint row);
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static gboolean gail_tree_view_is_selected (AtkTable *table,
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gint row,
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gint column);
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static gint gail_tree_view_get_selected_rows
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(AtkTable *table,
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gint **selected);
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static gboolean gail_tree_view_add_row_selection
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(AtkTable *table,
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gint row);
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static gboolean gail_tree_view_remove_row_selection
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(AtkTable *table,
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gint row);
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static AtkObject* gail_tree_view_get_row_header (AtkTable *table,
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gint row);
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static AtkObject* gail_tree_view_get_column_header
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(AtkTable *table,
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gint column);
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static void gail_tree_view_set_row_header (AtkTable *table,
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gint row,
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AtkObject *header);
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static void gail_tree_view_set_column_header
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(AtkTable *table,
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gint column,
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AtkObject *header);
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static AtkObject*
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gail_tree_view_get_caption (AtkTable *table);
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static void gail_tree_view_set_caption (AtkTable *table,
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AtkObject *caption);
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static AtkObject* gail_tree_view_get_summary (AtkTable *table);
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static void gail_tree_view_set_summary (AtkTable *table,
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AtkObject *accessible);
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static G_CONST_RETURN gchar*
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gail_tree_view_get_row_description
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(AtkTable *table,
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gint row);
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static void gail_tree_view_set_row_description
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(AtkTable *table,
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gint row,
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const gchar *description);
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static G_CONST_RETURN gchar*
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gail_tree_view_get_column_description
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(AtkTable *table,
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gint column);
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static void gail_tree_view_set_column_description
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(AtkTable *table,
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gint column,
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const gchar *description);
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static void set_row_data (AtkTable *table,
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gint row,
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AtkObject *header,
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const gchar *description,
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gboolean is_header);
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static GailTreeViewRowInfo*
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get_row_info (AtkTable *table,
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gint row);
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/* atkselection.h */
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static void atk_selection_interface_init (AtkSelectionIface *iface);
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static gboolean gail_tree_view_add_selection (AtkSelection *selection,
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gint i);
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static gboolean gail_tree_view_clear_selection (AtkSelection *selection);
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static AtkObject* gail_tree_view_ref_selection (AtkSelection *selection,
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gint i);
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static gint gail_tree_view_get_selection_count
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(AtkSelection *selection);
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static gboolean gail_tree_view_is_child_selected
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(AtkSelection *selection,
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gint i);
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/* gailcellparent.h */
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static void gail_cell_parent_interface_init (GailCellParentIface *iface);
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static void gail_tree_view_get_cell_extents (GailCellParent *parent,
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GailCell *cell,
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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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AtkCoordType coord_type);
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static void gail_tree_view_get_cell_area (GailCellParent *parent,
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GailCell *cell,
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GdkRectangle *cell_rect);
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static gboolean gail_tree_view_grab_cell_focus (GailCellParent *parent,
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GailCell *cell);
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/* signal handling */
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static gboolean gail_tree_view_expand_row_gtk (GtkTreeView *tree_view,
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GtkTreeIter *iter,
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GtkTreePath *path);
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static gint idle_expand_row (gpointer data);
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static gboolean gail_tree_view_collapse_row_gtk (GtkTreeView *tree_view,
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GtkTreeIter *iter,
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GtkTreePath *path);
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static void gail_tree_view_size_allocate_gtk (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gail_tree_view_set_scroll_adjustments
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(GtkWidget *widget,
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GtkAdjustment *hadj,
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GtkAdjustment *vadj);
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static void gail_tree_view_changed_gtk (GtkTreeSelection *selection,
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gpointer data);
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static void columns_changed (GtkTreeView *tree_view);
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static void cursor_changed (GtkTreeView *tree_view);
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static gint idle_cursor_changed (gpointer data);
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static void focus_in (GtkWidget *widget);
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static void focus_out (GtkWidget *widget);
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static void model_row_changed (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer user_data);
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static void column_visibility_changed (GObject *object,
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GParamSpec *param,
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gpointer user_data);
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static void column_destroy (GtkObject *obj);
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static void model_row_inserted (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer user_data);
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static void model_row_deleted (GtkTreeModel *tree_model,
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GtkTreePath *path,
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gpointer user_data);
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static void destroy_count_func (GtkTreeView *tree_view,
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GtkTreePath *path,
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gint count,
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gpointer user_data);
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static void model_rows_reordered (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gint *new_order,
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gpointer user_data);
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static void adjustment_changed (GtkAdjustment *adjustment,
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GtkTreeView *tree_view);
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/* Misc */
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static void set_iter_nth_row (GtkTreeView *tree_view,
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GtkTreeIter *iter,
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gint row);
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static gint get_row_from_tree_path (GtkTreeView *tree_view,
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GtkTreePath *path);
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static GtkTreeViewColumn* get_column (GtkTreeView *tree_view,
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gint in_col);
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static gint get_actual_column_number (GtkTreeView *tree_view,
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gint visible_column);
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static gint get_visible_column_number (GtkTreeView *tree_view,
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gint actual_column);
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static void iterate_thru_children (GtkTreeView *tree_view,
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GtkTreeModel *tree_model,
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GtkTreePath *tree_path,
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GtkTreePath *orig,
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gint *count,
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gint depth);
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static GtkTreeIter* return_iter_nth_row (GtkTreeView *tree_view,
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GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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gint increment,
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gint row);
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static void free_row_info (GArray *array,
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gint array_idx,
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gboolean shift);
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static void clean_cell_info (GailTreeView *tree_view,
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GList *list);
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static void clean_rows (GailTreeView *tree_view);
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static void clean_cols (GailTreeView *tree_view,
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GtkTreeViewColumn *tv_col);
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static void traverse_cells (GailTreeView *tree_view,
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GtkTreePath *tree_path,
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gboolean set_stale,
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gboolean inc_row);
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static gboolean update_cell_value (GailRendererCell *renderer_cell,
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GailTreeView *gailview,
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gboolean emit_change_signal);
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static void set_cell_visibility (GtkTreeView *tree_view,
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GailCell *cell,
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GtkTreeViewColumn *tv_col,
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GtkTreePath *tree_path,
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gboolean emit_signal);
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static gboolean is_cell_showing (GtkTreeView *tree_view,
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GdkRectangle *cell_rect);
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static void set_expand_state (GtkTreeView *tree_view,
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GtkTreeModel *tree_model,
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GailTreeView *gailview,
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GtkTreePath *tree_path,
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gboolean set_on_ancestor);
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static void add_cell_actions (GailCell *cell,
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gboolean editable);
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static void toggle_cell_expanded (GailCell *cell);
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static void toggle_cell_toggled (GailCell *cell);
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static void edit_cell (GailCell *cell);
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static void activate_cell (GailCell *cell);
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static void cell_destroyed (gpointer data);
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#if 0
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static void cell_info_remove (GailTreeView *tree_view,
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GailCell *cell);
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#endif
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static void cell_info_get_index (GtkTreeView *tree_view,
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GailTreeViewCellInfo *info,
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gint *index);
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static void cell_info_new (GailTreeView *gailview,
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GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeViewColumn *tv_col,
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GailCell *cell);
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static GailCell* find_cell (GailTreeView *gailview,
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gint index);
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static void refresh_cell_index (GailCell *cell);
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static void get_selected_rows (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data);
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static void connect_model_signals (GtkTreeView *view,
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GailTreeView *gailview);
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static void disconnect_model_signals (GailTreeView *gailview);
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static void clear_cached_data (GailTreeView *view);
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static gint get_column_number (GtkTreeView *tree_view,
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GtkTreeViewColumn *column,
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gboolean visible);
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static gint get_focus_index (GtkTreeView *tree_view);
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static gint get_index (GtkTreeView *tree_view,
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GtkTreePath *path,
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gint actual_column);
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static void count_rows (GtkTreeModel *model,
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GtkTreeIter *iter,
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GtkTreePath *end_path,
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gint *count,
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gint level,
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gint depth);
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static gboolean get_next_node_with_child_at_depth
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(GtkTreeModel *model,
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GtkTreeIter *iter,
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GtkTreePath **path,
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gint level,
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gint depth);
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static gboolean get_next_node_with_child (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreePath **return_path);
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static gboolean get_tree_path_from_row_index (GtkTreeModel *model,
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gint row_index,
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GtkTreePath **tree_path);
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static gint get_row_count (GtkTreeModel *model);
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static gboolean get_path_column_from_index (GtkTreeView *tree_view,
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gint index,
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GtkTreePath **path,
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GtkTreeViewColumn **column);
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static void set_cell_expandable (GailCell *cell);
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static GailTreeViewCellInfo* find_cell_info (GailTreeView *view,
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GailCell *cell,
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GList** list,
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gboolean live_only);
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static AtkObject * get_header_from_column (GtkTreeViewColumn *tv_col);
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static gboolean idle_garbage_collect_cell_data (gpointer data);
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static gboolean garbage_collect_cell_data (gpointer data);
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static GQuark quark_column_desc_object = 0;
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static GQuark quark_column_header_object = 0;
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static gboolean editing = FALSE;
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static const gchar* hadjustment = "hadjustment";
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static const gchar* vadjustment = "vadjustment";
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struct _GailTreeViewRowInfo
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{
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GtkTreeRowReference *row_ref;
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gchar *description;
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AtkObject *header;
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};
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struct _GailTreeViewCellInfo
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{
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GailCell *cell;
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GtkTreeRowReference *cell_row_ref;
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GtkTreeViewColumn *cell_col_ref;
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GailTreeView *view;
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gboolean in_use;
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};
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G_DEFINE_TYPE_WITH_CODE (GailTreeView, gail_tree_view, GAIL_TYPE_CONTAINER,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_TABLE, atk_table_interface_init)
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G_IMPLEMENT_INTERFACE (ATK_TYPE_SELECTION, atk_selection_interface_init)
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G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_interface_init)
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G_IMPLEMENT_INTERFACE (GAIL_TYPE_CELL_PARENT, gail_cell_parent_interface_init))
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static void
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gail_tree_view_class_init (GailTreeViewClass *klass)
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{
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AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GtkAccessibleClass *accessible_class;
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GailWidgetClass *widget_class;
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GailContainerClass *container_class;
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accessible_class = (GtkAccessibleClass*)klass;
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widget_class = (GailWidgetClass*)klass;
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container_class = (GailContainerClass*)klass;
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class->get_n_children = gail_tree_view_get_n_children;
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class->ref_child = gail_tree_view_ref_child;
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class->ref_state_set = gail_tree_view_ref_state_set;
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class->initialize = gail_tree_view_real_initialize;
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widget_class->notify_gtk = gail_tree_view_real_notify_gtk;
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accessible_class->connect_widget_destroyed = gail_tree_view_connect_widget_destroyed;
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/*
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* The children of a GtkTreeView are the buttons at the top of the columns
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* we do not represent these as children so we do not want to report
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* children added or deleted when these changed.
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*/
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container_class->add_gtk = NULL;
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container_class->remove_gtk = NULL;
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gobject_class->finalize = gail_tree_view_finalize;
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quark_column_desc_object = g_quark_from_static_string ("gtk-column-object");
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quark_column_header_object = g_quark_from_static_string ("gtk-header-object");
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}
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static void
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gail_tree_view_init (GailTreeView *view)
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{
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}
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static void
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gail_tree_view_real_initialize (AtkObject *obj,
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gpointer data)
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{
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GailTreeView *view;
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GtkTreeView *tree_view;
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GtkTreeModel *tree_model;
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GtkAdjustment *adj;
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GList *tv_cols, *tmp_list;
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GtkWidget *widget;
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ATK_OBJECT_CLASS (gail_tree_view_parent_class)->initialize (obj, data);
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view = GAIL_TREE_VIEW (obj);
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view->caption = NULL;
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view->summary = NULL;
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view->row_data = NULL;
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view->col_data = NULL;
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view->cell_data = NULL;
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view->focus_cell = NULL;
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view->old_hadj = NULL;
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view->old_vadj = NULL;
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view->idle_expand_id = 0;
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view->idle_expand_path = NULL;
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view->n_children_deleted = 0;
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widget = GTK_WIDGET (data);
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g_signal_connect_after (widget,
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"row-collapsed",
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G_CALLBACK (gail_tree_view_collapse_row_gtk),
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NULL);
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g_signal_connect (widget,
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"row-expanded",
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G_CALLBACK (gail_tree_view_expand_row_gtk),
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NULL);
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g_signal_connect (widget,
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"size-allocate",
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G_CALLBACK (gail_tree_view_size_allocate_gtk),
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NULL);
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tree_view = GTK_TREE_VIEW (widget);
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
|
|
/* Set up signal handling */
|
|
|
|
g_signal_connect_data (gtk_tree_view_get_selection (tree_view),
|
|
"changed",
|
|
(GCallback) gail_tree_view_changed_gtk,
|
|
obj, NULL, 0);
|
|
|
|
g_signal_connect_data (tree_view, "columns-changed",
|
|
(GCallback) columns_changed, NULL, NULL, 0);
|
|
g_signal_connect_data (tree_view, "cursor-changed",
|
|
(GCallback) cursor_changed, NULL, NULL, 0);
|
|
g_signal_connect_data (GTK_WIDGET (tree_view), "focus-in-event",
|
|
(GCallback) focus_in, NULL, NULL, 0);
|
|
g_signal_connect_data (GTK_WIDGET (tree_view), "focus-out-event",
|
|
(GCallback) focus_out, NULL, NULL, 0);
|
|
|
|
view->tree_model = tree_model;
|
|
if (tree_model)
|
|
{
|
|
g_object_add_weak_pointer (G_OBJECT (view->tree_model), (gpointer *)&view->tree_model);
|
|
connect_model_signals (tree_view, view);
|
|
|
|
if (GTK_IS_TREE_STORE (tree_model))
|
|
obj->role = ATK_ROLE_TREE_TABLE;
|
|
else
|
|
obj->role = ATK_ROLE_TABLE;
|
|
}
|
|
else
|
|
{
|
|
obj->role = ATK_ROLE_UNKNOWN;
|
|
}
|
|
|
|
/* adjustment callbacks */
|
|
|
|
g_object_get (tree_view, hadjustment, &adj, NULL);
|
|
view->old_hadj = adj;
|
|
g_object_add_weak_pointer (G_OBJECT (view->old_hadj), (gpointer *)&view->old_hadj);
|
|
g_signal_connect (adj,
|
|
"value_changed",
|
|
G_CALLBACK (adjustment_changed),
|
|
tree_view);
|
|
|
|
g_object_get (tree_view, vadjustment, &adj, NULL);
|
|
view->old_vadj = adj;
|
|
g_object_add_weak_pointer (G_OBJECT (view->old_vadj), (gpointer *)&view->old_vadj);
|
|
g_signal_connect (adj,
|
|
"value_changed",
|
|
G_CALLBACK (adjustment_changed),
|
|
tree_view);
|
|
g_signal_connect_after (widget,
|
|
"set_scroll_adjustments",
|
|
G_CALLBACK (gail_tree_view_set_scroll_adjustments),
|
|
NULL);
|
|
|
|
view->col_data = g_array_sized_new (FALSE, TRUE,
|
|
sizeof(GtkTreeViewColumn *), 0);
|
|
|
|
tv_cols = gtk_tree_view_get_columns (tree_view);
|
|
|
|
for (tmp_list = tv_cols; tmp_list; tmp_list = tmp_list->next)
|
|
{
|
|
g_signal_connect_data (tmp_list->data, "notify::visible",
|
|
(GCallback)column_visibility_changed,
|
|
tree_view, NULL, FALSE);
|
|
g_signal_connect_data (tmp_list->data, "destroy",
|
|
(GCallback)column_destroy,
|
|
NULL, NULL, FALSE);
|
|
g_array_append_val (view->col_data, tmp_list->data);
|
|
}
|
|
|
|
gtk_tree_view_set_destroy_count_func (tree_view,
|
|
destroy_count_func,
|
|
NULL, NULL);
|
|
g_list_free (tv_cols);
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_real_notify_gtk (GObject *obj,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkWidget *widget;
|
|
AtkObject* atk_obj;
|
|
GtkTreeView *tree_view;
|
|
GailTreeView *gailview;
|
|
GtkAdjustment *adj;
|
|
|
|
widget = GTK_WIDGET (obj);
|
|
atk_obj = gtk_widget_get_accessible (widget);
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
gailview = GAIL_TREE_VIEW (atk_obj);
|
|
|
|
if (strcmp (pspec->name, "model") == 0)
|
|
{
|
|
GtkTreeModel *tree_model;
|
|
AtkRole role;
|
|
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
if (gailview->tree_model)
|
|
disconnect_model_signals (gailview);
|
|
clear_cached_data (gailview);
|
|
gailview->tree_model = tree_model;
|
|
/*
|
|
* if there is no model the GtkTreeView is probably being destroyed
|
|
*/
|
|
if (tree_model)
|
|
{
|
|
g_object_add_weak_pointer (G_OBJECT (gailview->tree_model), (gpointer *)&gailview->tree_model);
|
|
connect_model_signals (tree_view, gailview);
|
|
|
|
if (GTK_IS_TREE_STORE (tree_model))
|
|
role = ATK_ROLE_TREE_TABLE;
|
|
else
|
|
role = ATK_ROLE_TABLE;
|
|
}
|
|
else
|
|
{
|
|
role = ATK_ROLE_UNKNOWN;
|
|
}
|
|
atk_object_set_role (atk_obj, role);
|
|
g_object_freeze_notify (G_OBJECT (atk_obj));
|
|
g_signal_emit_by_name (atk_obj, "model_changed");
|
|
g_signal_emit_by_name (atk_obj, "visible_data_changed");
|
|
g_object_thaw_notify (G_OBJECT (atk_obj));
|
|
}
|
|
else if (strcmp (pspec->name, hadjustment) == 0)
|
|
{
|
|
g_object_get (tree_view, hadjustment, &adj, NULL);
|
|
g_signal_handlers_disconnect_by_func (gailview->old_hadj,
|
|
(gpointer) adjustment_changed,
|
|
widget);
|
|
gailview->old_hadj = adj;
|
|
g_object_add_weak_pointer (G_OBJECT (gailview->old_hadj), (gpointer *)&gailview->old_hadj);
|
|
g_signal_connect (adj,
|
|
"value_changed",
|
|
G_CALLBACK (adjustment_changed),
|
|
tree_view);
|
|
}
|
|
else if (strcmp (pspec->name, vadjustment) == 0)
|
|
{
|
|
g_object_get (tree_view, vadjustment, &adj, NULL);
|
|
g_signal_handlers_disconnect_by_func (gailview->old_vadj,
|
|
(gpointer) adjustment_changed,
|
|
widget);
|
|
gailview->old_vadj = adj;
|
|
g_object_add_weak_pointer (G_OBJECT (gailview->old_hadj), (gpointer *)&gailview->old_vadj);
|
|
g_signal_connect (adj,
|
|
"value_changed",
|
|
G_CALLBACK (adjustment_changed),
|
|
tree_view);
|
|
}
|
|
else
|
|
GAIL_WIDGET_CLASS (gail_tree_view_parent_class)->notify_gtk (obj, pspec);
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_finalize (GObject *object)
|
|
{
|
|
GailTreeView *view = GAIL_TREE_VIEW (object);
|
|
|
|
clear_cached_data (view);
|
|
|
|
/* remove any idle handlers still pending */
|
|
if (view->idle_garbage_collect_id)
|
|
g_source_remove (view->idle_garbage_collect_id);
|
|
if (view->idle_cursor_changed_id)
|
|
g_source_remove (view->idle_cursor_changed_id);
|
|
if (view->idle_expand_id)
|
|
g_source_remove (view->idle_expand_id);
|
|
|
|
if (view->caption)
|
|
g_object_unref (view->caption);
|
|
if (view->summary)
|
|
g_object_unref (view->summary);
|
|
|
|
if (view->tree_model)
|
|
disconnect_model_signals (view);
|
|
|
|
if (view->col_data)
|
|
{
|
|
GArray *array = view->col_data;
|
|
|
|
/*
|
|
* No need to free the contents of the array since it
|
|
* just contains pointers to the GtkTreeViewColumn
|
|
* objects that are in the GtkTreeView.
|
|
*/
|
|
g_array_free (array, TRUE);
|
|
}
|
|
|
|
G_OBJECT_CLASS (gail_tree_view_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_connect_widget_destroyed (GtkAccessible *accessible)
|
|
{
|
|
if (accessible->widget)
|
|
{
|
|
g_signal_connect_after (accessible->widget,
|
|
"destroy",
|
|
G_CALLBACK (gail_tree_view_destroyed),
|
|
accessible);
|
|
}
|
|
GTK_ACCESSIBLE_CLASS (gail_tree_view_parent_class)->connect_widget_destroyed (accessible);
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_destroyed (GtkWidget *widget,
|
|
GtkAccessible *accessible)
|
|
{
|
|
GtkAdjustment *adj;
|
|
GailTreeView *gailview;
|
|
|
|
gail_return_if_fail (GTK_IS_TREE_VIEW (widget));
|
|
|
|
gailview = GAIL_TREE_VIEW (accessible);
|
|
adj = gailview->old_hadj;
|
|
if (adj)
|
|
g_signal_handlers_disconnect_by_func (adj,
|
|
(gpointer) adjustment_changed,
|
|
widget);
|
|
adj = gailview->old_vadj;
|
|
if (adj)
|
|
g_signal_handlers_disconnect_by_func (adj,
|
|
(gpointer) adjustment_changed,
|
|
widget);
|
|
if (gailview->tree_model)
|
|
{
|
|
disconnect_model_signals (gailview);
|
|
gailview->tree_model = NULL;
|
|
}
|
|
if (gailview->focus_cell)
|
|
{
|
|
g_object_unref (gailview->focus_cell);
|
|
gailview->focus_cell = NULL;
|
|
}
|
|
if (gailview->idle_expand_id)
|
|
{
|
|
g_source_remove (gailview->idle_expand_id);
|
|
gailview->idle_expand_id = 0;
|
|
}
|
|
}
|
|
|
|
gint
|
|
get_focus_index (GtkTreeView *tree_view)
|
|
{
|
|
GtkTreePath *focus_path;
|
|
GtkTreeViewColumn *focus_column;
|
|
gint index;
|
|
|
|
gtk_tree_view_get_cursor (tree_view, &focus_path, &focus_column);
|
|
if (focus_path && focus_column)
|
|
{
|
|
|
|
index = get_index (tree_view, focus_path,
|
|
get_column_number (tree_view, focus_column, FALSE));
|
|
}
|
|
else
|
|
index = -1;
|
|
|
|
if (focus_path)
|
|
gtk_tree_path_free (focus_path);
|
|
|
|
return index;
|
|
}
|
|
|
|
AtkObject *
|
|
gail_tree_view_ref_focus_cell (GtkTreeView *tree_view)
|
|
{
|
|
/*
|
|
* This function returns a reference to the accessible object for the cell
|
|
* in the treeview which has focus, if a cell has focus.
|
|
*/
|
|
AtkObject *focus_cell = NULL;
|
|
AtkObject *atk_obj;
|
|
gint focus_index;
|
|
|
|
focus_index = get_focus_index (tree_view);
|
|
if (focus_index >= 0)
|
|
{
|
|
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
|
|
focus_cell = atk_object_ref_accessible_child (atk_obj, focus_index);
|
|
}
|
|
|
|
return focus_cell;
|
|
}
|
|
|
|
/* atkobject.h */
|
|
|
|
static gint
|
|
gail_tree_view_get_n_children (AtkObject *obj)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
gint n_rows, n_cols;
|
|
|
|
gail_return_val_if_fail (GAIL_IS_TREE_VIEW (obj), 0);
|
|
|
|
widget = GTK_ACCESSIBLE (obj)->widget;
|
|
if (widget == NULL)
|
|
/*
|
|
* State is defunct
|
|
*/
|
|
return 0;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
|
|
/*
|
|
* We get the total number of rows including those which are collapsed
|
|
*/
|
|
n_rows = get_row_count (tree_model);
|
|
/*
|
|
* We get the total number of columns including those which are not visible
|
|
*/
|
|
n_cols = get_n_actual_columns (tree_view);
|
|
return (n_rows * n_cols);
|
|
}
|
|
|
|
static AtkObject*
|
|
gail_tree_view_ref_child (AtkObject *obj,
|
|
gint i)
|
|
{
|
|
GtkWidget *widget;
|
|
GailTreeView *gailview;
|
|
GailCell *cell;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
GtkCellRenderer *renderer;
|
|
GtkTreeIter iter;
|
|
GtkTreeViewColumn *tv_col;
|
|
GtkTreeSelection *selection;
|
|
GtkTreePath *path;
|
|
AtkRegistry *default_registry;
|
|
AtkObjectFactory *factory;
|
|
AtkObject *child;
|
|
AtkObject *parent;
|
|
GtkTreeViewColumn *expander_tv;
|
|
GList *renderer_list;
|
|
GList *l;
|
|
GailContainerCell *container = NULL;
|
|
GailRendererCell *renderer_cell;
|
|
gboolean is_expander, is_expanded, retval;
|
|
gboolean editable = FALSE;
|
|
gint focus_index;
|
|
|
|
g_return_val_if_fail (GAIL_IS_TREE_VIEW (obj), NULL);
|
|
g_return_val_if_fail (i >= 0, NULL);
|
|
|
|
widget = GTK_ACCESSIBLE (obj)->widget;
|
|
if (widget == NULL)
|
|
/*
|
|
* State is defunct
|
|
*/
|
|
return NULL;
|
|
|
|
if (i >= gail_tree_view_get_n_children (obj))
|
|
return NULL;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
if (i < get_n_actual_columns (tree_view))
|
|
{
|
|
tv_col = gtk_tree_view_get_column (tree_view, i);
|
|
child = get_header_from_column (tv_col);
|
|
if (child)
|
|
g_object_ref (child);
|
|
return child;
|
|
}
|
|
|
|
gailview = GAIL_TREE_VIEW (obj);
|
|
/*
|
|
* Check whether the child is cached
|
|
*/
|
|
cell = find_cell (gailview, i);
|
|
if (cell)
|
|
{
|
|
g_object_ref (cell);
|
|
return ATK_OBJECT (cell);
|
|
}
|
|
|
|
if (gailview->focus_cell == NULL)
|
|
focus_index = get_focus_index (tree_view);
|
|
else
|
|
focus_index = -1;
|
|
/*
|
|
* Find the TreePath and GtkTreeViewColumn for the index
|
|
*/
|
|
if (!get_path_column_from_index (tree_view, i, &path, &tv_col))
|
|
return NULL;
|
|
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
retval = gtk_tree_model_get_iter (tree_model, &iter, path);
|
|
gail_return_val_if_fail (retval, NULL);
|
|
|
|
expander_tv = gtk_tree_view_get_expander_column (tree_view);
|
|
is_expander = FALSE;
|
|
is_expanded = FALSE;
|
|
if (gtk_tree_model_iter_has_child (tree_model, &iter))
|
|
{
|
|
if (expander_tv == tv_col)
|
|
{
|
|
is_expander = TRUE;
|
|
is_expanded = gtk_tree_view_row_expanded (tree_view, path);
|
|
}
|
|
}
|
|
gtk_tree_view_column_cell_set_cell_data (tv_col, tree_model, &iter,
|
|
is_expander, is_expanded);
|
|
|
|
renderer_list = gtk_tree_view_column_get_cell_renderers (tv_col);
|
|
|
|
/* If there are more than one renderer in the list, make a container */
|
|
|
|
if (renderer_list && renderer_list->next)
|
|
{
|
|
GailCell *container_cell;
|
|
|
|
container = gail_container_cell_new ();
|
|
gail_return_val_if_fail (container, NULL);
|
|
|
|
container_cell = GAIL_CELL (container);
|
|
gail_cell_initialise (container_cell,
|
|
widget, ATK_OBJECT (gailview),
|
|
i);
|
|
/*
|
|
* The GailTreeViewCellInfo structure for the container will be before
|
|
* the ones for the cells so that the first one we find for a position
|
|
* will be for the container
|
|
*/
|
|
cell_info_new (gailview, tree_model, path, tv_col, container_cell);
|
|
container_cell->refresh_index = refresh_cell_index;
|
|
parent = ATK_OBJECT (container);
|
|
}
|
|
else
|
|
parent = ATK_OBJECT (gailview);
|
|
|
|
child = NULL;
|
|
|
|
/*
|
|
* Now we make a fake cell_renderer if there is no cell in renderer_list
|
|
*/
|
|
|
|
if (renderer_list == NULL)
|
|
{
|
|
GtkCellRenderer *fake_renderer;
|
|
fake_renderer = g_object_new (GTK_TYPE_CELL_RENDERER_TEXT, NULL);
|
|
default_registry = atk_get_default_registry ();
|
|
factory = atk_registry_get_factory (default_registry,
|
|
GTK_OBJECT_TYPE (fake_renderer));
|
|
child = atk_object_factory_create_accessible (factory,
|
|
G_OBJECT (fake_renderer));
|
|
gail_return_val_if_fail (GAIL_IS_RENDERER_CELL (child), NULL);
|
|
cell = GAIL_CELL (child);
|
|
renderer_cell = GAIL_RENDERER_CELL (child);
|
|
renderer_cell->renderer = fake_renderer;
|
|
|
|
/* Create the GailTreeViewCellInfo structure for this cell */
|
|
cell_info_new (gailview, tree_model, path, tv_col, cell);
|
|
|
|
gail_cell_initialise (cell,
|
|
widget, parent,
|
|
i);
|
|
|
|
cell->refresh_index = refresh_cell_index;
|
|
|
|
/* set state if it is expandable */
|
|
if (is_expander)
|
|
{
|
|
set_cell_expandable (cell);
|
|
if (is_expanded)
|
|
gail_cell_add_state (cell,
|
|
ATK_STATE_EXPANDED,
|
|
FALSE);
|
|
}
|
|
} else {
|
|
for (l = renderer_list; l; l = l->next)
|
|
{
|
|
renderer = GTK_CELL_RENDERER (l->data);
|
|
|
|
if (GTK_IS_CELL_RENDERER_TEXT (renderer))
|
|
g_object_get (G_OBJECT (renderer), "editable", &editable, NULL);
|
|
|
|
default_registry = atk_get_default_registry ();
|
|
factory = atk_registry_get_factory (default_registry,
|
|
GTK_OBJECT_TYPE (renderer));
|
|
child = atk_object_factory_create_accessible (factory,
|
|
G_OBJECT (renderer));
|
|
gail_return_val_if_fail (GAIL_IS_RENDERER_CELL (child), NULL);
|
|
cell = GAIL_CELL (child);
|
|
renderer_cell = GAIL_RENDERER_CELL (child);
|
|
|
|
/* Create the GailTreeViewCellInfo structure for this cell */
|
|
cell_info_new (gailview, tree_model, path, tv_col, cell);
|
|
|
|
gail_cell_initialise (cell,
|
|
widget, parent,
|
|
i);
|
|
|
|
if (container)
|
|
gail_container_cell_add_child (container, cell);
|
|
else
|
|
cell->refresh_index = refresh_cell_index;
|
|
|
|
update_cell_value (renderer_cell, gailview, FALSE);
|
|
/* Add the actions appropriate for this cell */
|
|
add_cell_actions (cell, editable);
|
|
|
|
/* set state if it is expandable */
|
|
if (is_expander)
|
|
{
|
|
set_cell_expandable (cell);
|
|
if (is_expanded)
|
|
gail_cell_add_state (cell,
|
|
ATK_STATE_EXPANDED,
|
|
FALSE);
|
|
}
|
|
/*
|
|
* If the column is visible, sets the cell's state
|
|
*/
|
|
if (gtk_tree_view_column_get_visible (tv_col))
|
|
set_cell_visibility (tree_view, cell, tv_col, path, FALSE);
|
|
/*
|
|
* If the row is selected, all cells on the row are selected
|
|
*/
|
|
selection = gtk_tree_view_get_selection (tree_view);
|
|
|
|
if (gtk_tree_selection_path_is_selected (selection, path))
|
|
gail_cell_add_state (cell, ATK_STATE_SELECTED, FALSE);
|
|
|
|
gail_cell_add_state (cell, ATK_STATE_FOCUSABLE, FALSE);
|
|
if (focus_index == i)
|
|
{
|
|
gailview->focus_cell = g_object_ref (cell);
|
|
gail_cell_add_state (cell, ATK_STATE_FOCUSED, FALSE);
|
|
g_signal_emit_by_name (gailview,
|
|
"active-descendant-changed",
|
|
cell);
|
|
}
|
|
}
|
|
g_list_free (renderer_list);
|
|
if (container)
|
|
child = ATK_OBJECT (container);
|
|
}
|
|
|
|
if (expander_tv == tv_col)
|
|
{
|
|
AtkRelationSet *relation_set;
|
|
AtkObject *accessible_array[1];
|
|
AtkRelation* relation;
|
|
AtkObject *parent_node;
|
|
|
|
relation_set = atk_object_ref_relation_set (ATK_OBJECT (child));
|
|
|
|
gtk_tree_path_up (path);
|
|
if (gtk_tree_path_get_depth (path) == 0)
|
|
parent_node = obj;
|
|
else
|
|
{
|
|
gint parent_index;
|
|
gint n_columns;
|
|
|
|
n_columns = get_n_actual_columns (tree_view);
|
|
parent_index = get_index (tree_view, path, i % n_columns);
|
|
parent_node = atk_object_ref_accessible_child (obj, parent_index);
|
|
}
|
|
accessible_array[0] = parent_node;
|
|
relation = atk_relation_new (accessible_array, 1,
|
|
ATK_RELATION_NODE_CHILD_OF);
|
|
atk_relation_set_add (relation_set, relation);
|
|
g_object_unref (relation);
|
|
g_object_unref (relation_set);
|
|
}
|
|
gtk_tree_path_free (path);
|
|
|
|
/*
|
|
* We do not increase the reference count here; when g_object_unref() is
|
|
* called for the cell then cell_destroyed() is called and
|
|
* this removes the cell from the cache.
|
|
*/
|
|
return child;
|
|
}
|
|
|
|
static AtkStateSet*
|
|
gail_tree_view_ref_state_set (AtkObject *obj)
|
|
{
|
|
AtkStateSet *state_set;
|
|
GtkWidget *widget;
|
|
|
|
state_set = ATK_OBJECT_CLASS (gail_tree_view_parent_class)->ref_state_set (obj);
|
|
widget = GTK_ACCESSIBLE (obj)->widget;
|
|
|
|
if (widget != NULL)
|
|
atk_state_set_add_state (state_set, ATK_STATE_MANAGES_DESCENDANTS);
|
|
|
|
return state_set;
|
|
}
|
|
|
|
/* atkcomponent.h */
|
|
|
|
static void
|
|
atk_component_interface_init (AtkComponentIface *iface)
|
|
{
|
|
iface->ref_accessible_at_point = gail_tree_view_ref_accessible_at_point;
|
|
}
|
|
|
|
static AtkObject*
|
|
gail_tree_view_ref_accessible_at_point (AtkComponent *component,
|
|
gint x,
|
|
gint y,
|
|
AtkCoordType coord_type)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreePath *path;
|
|
GtkTreeViewColumn *tv_column;
|
|
gint x_pos, y_pos;
|
|
gboolean ret_val;
|
|
|
|
widget = GTK_ACCESSIBLE (component)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return NULL;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
|
|
atk_component_get_extents (component, &x_pos, &y_pos, NULL, NULL, coord_type);
|
|
ret_val = gtk_tree_view_get_path_at_pos (tree_view,
|
|
x - x_pos, y - y_pos,
|
|
&path, &tv_column, NULL, NULL);
|
|
if (ret_val)
|
|
{
|
|
gint index, column;
|
|
|
|
column = get_column_number (tree_view, tv_column, FALSE);
|
|
index = get_index (tree_view, path, column);
|
|
gtk_tree_path_free (path);
|
|
|
|
return gail_tree_view_ref_child (ATK_OBJECT (component), index);
|
|
}
|
|
else
|
|
{
|
|
g_warning ("gail_tree_view_ref_accessible_at_point: gtk_tree_view_get_path_at_pos () failed\n");
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* atktable.h */
|
|
|
|
static void
|
|
atk_table_interface_init (AtkTableIface *iface)
|
|
{
|
|
iface->ref_at = gail_tree_view_table_ref_at;
|
|
iface->get_n_rows = gail_tree_view_get_n_rows;
|
|
iface->get_n_columns = gail_tree_view_get_n_columns;
|
|
iface->get_index_at = gail_tree_view_get_index_at;
|
|
iface->get_column_at_index = gail_tree_view_get_column_at_index;
|
|
iface->get_row_at_index = gail_tree_view_get_row_at_index;
|
|
iface->is_row_selected = gail_tree_view_is_row_selected;
|
|
iface->is_selected = gail_tree_view_is_selected;
|
|
iface->get_selected_rows = gail_tree_view_get_selected_rows;
|
|
iface->add_row_selection = gail_tree_view_add_row_selection;
|
|
iface->remove_row_selection = gail_tree_view_remove_row_selection;
|
|
iface->get_column_extent_at = NULL;
|
|
iface->get_row_extent_at = NULL;
|
|
iface->get_row_header = gail_tree_view_get_row_header;
|
|
iface->set_row_header = gail_tree_view_set_row_header;
|
|
iface->get_column_header = gail_tree_view_get_column_header;
|
|
iface->set_column_header = gail_tree_view_set_column_header;
|
|
iface->get_caption = gail_tree_view_get_caption;
|
|
iface->set_caption = gail_tree_view_set_caption;
|
|
iface->get_summary = gail_tree_view_get_summary;
|
|
iface->set_summary = gail_tree_view_set_summary;
|
|
iface->get_row_description = gail_tree_view_get_row_description;
|
|
iface->set_row_description = gail_tree_view_set_row_description;
|
|
iface->get_column_description = gail_tree_view_get_column_description;
|
|
iface->set_column_description = gail_tree_view_set_column_description;
|
|
}
|
|
|
|
static gint
|
|
gail_tree_view_get_index_at (AtkTable *table,
|
|
gint row,
|
|
gint column)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
gint actual_column;
|
|
gint n_cols, n_rows;
|
|
GtkTreeIter iter;
|
|
GtkTreePath *path;
|
|
gint index;
|
|
|
|
n_cols = atk_table_get_n_columns (table);
|
|
n_rows = atk_table_get_n_rows (table);
|
|
|
|
if (row >= n_rows ||
|
|
column >= n_cols)
|
|
return -1;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return -1;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
actual_column = get_actual_column_number (tree_view, column);
|
|
|
|
set_iter_nth_row (tree_view, &iter, row);
|
|
path = gtk_tree_model_get_path (gtk_tree_view_get_model (tree_view), &iter);
|
|
|
|
index = get_index (tree_view, path, actual_column);
|
|
gtk_tree_path_free (path);
|
|
|
|
return index;
|
|
}
|
|
|
|
static gint
|
|
gail_tree_view_get_column_at_index (AtkTable *table,
|
|
gint index)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
gint n_columns;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return -1;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
n_columns = get_n_actual_columns (tree_view);
|
|
|
|
if (n_columns == 0)
|
|
return 0;
|
|
index = index % n_columns;
|
|
|
|
return get_visible_column_number (tree_view, index);
|
|
}
|
|
|
|
static gint
|
|
gail_tree_view_get_row_at_index (AtkTable *table,
|
|
gint index)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreePath *path;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return -1;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
if (get_path_column_from_index (tree_view, index, &path, NULL))
|
|
{
|
|
gint row = get_row_from_tree_path (tree_view, path);
|
|
gtk_tree_path_free (path);
|
|
return row;
|
|
}
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
static AtkObject*
|
|
gail_tree_view_table_ref_at (AtkTable *table,
|
|
gint row,
|
|
gint column)
|
|
{
|
|
gint index;
|
|
|
|
index = gail_tree_view_get_index_at (table, row, column);
|
|
if (index == -1)
|
|
return NULL;
|
|
|
|
return gail_tree_view_ref_child (ATK_OBJECT (table), index);
|
|
}
|
|
|
|
static gint
|
|
gail_tree_view_get_n_rows (AtkTable *table)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
gint n_rows;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return 0;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
|
|
if (gtk_tree_model_get_flags (tree_model) & GTK_TREE_MODEL_LIST_ONLY)
|
|
/*
|
|
* If working with a LIST store, then this is a faster way
|
|
* to get the number of rows.
|
|
*/
|
|
n_rows = gtk_tree_model_iter_n_children (tree_model, NULL);
|
|
else
|
|
{
|
|
GtkTreePath *root_tree;
|
|
|
|
n_rows = 0;
|
|
root_tree = gtk_tree_path_new_root ();
|
|
iterate_thru_children (tree_view, tree_model,
|
|
root_tree, NULL, &n_rows, 0);
|
|
gtk_tree_path_free (root_tree);
|
|
}
|
|
|
|
return n_rows;
|
|
}
|
|
|
|
/*
|
|
* The function get_n_actual_columns returns the number of columns in the
|
|
* GtkTreeView. i.e. it include both visible and non-visible columns.
|
|
*/
|
|
static gint
|
|
get_n_actual_columns (GtkTreeView *tree_view)
|
|
{
|
|
GList *columns;
|
|
gint n_cols;
|
|
|
|
columns = gtk_tree_view_get_columns (tree_view);
|
|
n_cols = g_list_length (columns);
|
|
g_list_free (columns);
|
|
return n_cols;
|
|
}
|
|
|
|
static gint
|
|
gail_tree_view_get_n_columns (AtkTable *table)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeViewColumn *tv_col;
|
|
gint n_cols = 0;
|
|
gint i = 0;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return 0;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tv_col = gtk_tree_view_get_column (tree_view, i);
|
|
|
|
while (tv_col != NULL)
|
|
{
|
|
if (gtk_tree_view_column_get_visible (tv_col))
|
|
n_cols++;
|
|
|
|
i++;
|
|
tv_col = gtk_tree_view_get_column (tree_view, i);
|
|
}
|
|
|
|
return n_cols;
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_is_row_selected (AtkTable *table,
|
|
gint row)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeSelection *selection;
|
|
GtkTreeIter iter;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return FALSE;
|
|
|
|
if (row < 0)
|
|
return FALSE;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
|
|
selection = gtk_tree_view_get_selection (tree_view);
|
|
|
|
set_iter_nth_row (tree_view, &iter, row);
|
|
|
|
return gtk_tree_selection_iter_is_selected (selection, &iter);
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_is_selected (AtkTable *table,
|
|
gint row,
|
|
gint column)
|
|
{
|
|
return gail_tree_view_is_row_selected (table, row);
|
|
}
|
|
|
|
static gint
|
|
gail_tree_view_get_selected_rows (AtkTable *table,
|
|
gint **rows_selected)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
GtkTreeIter iter;
|
|
GtkTreeSelection *selection;
|
|
GtkTreePath *tree_path;
|
|
gint ret_val = 0;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return 0;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
|
|
selection = gtk_tree_view_get_selection (tree_view);
|
|
|
|
switch (selection->type)
|
|
{
|
|
case GTK_SELECTION_SINGLE:
|
|
case GTK_SELECTION_BROWSE:
|
|
if (gtk_tree_selection_get_selected (selection, &tree_model, &iter))
|
|
{
|
|
gint row;
|
|
|
|
if (rows_selected)
|
|
{
|
|
*rows_selected = (gint *)g_malloc (sizeof(gint));
|
|
tree_path = gtk_tree_model_get_path (tree_model, &iter);
|
|
row = get_row_from_tree_path (tree_view, tree_path);
|
|
gtk_tree_path_free (tree_path);
|
|
|
|
/* shouldn't ever happen */
|
|
g_return_val_if_fail (row != -1, 0);
|
|
|
|
*rows_selected[0] = row;
|
|
}
|
|
ret_val = 1;
|
|
}
|
|
break;
|
|
case GTK_SELECTION_MULTIPLE:
|
|
{
|
|
GPtrArray *array = g_ptr_array_new();
|
|
|
|
gtk_tree_selection_selected_foreach (selection,
|
|
get_selected_rows,
|
|
array);
|
|
ret_val = array->len;
|
|
|
|
if (rows_selected && ret_val)
|
|
{
|
|
gint i;
|
|
*rows_selected = (gint *) g_malloc (ret_val * sizeof (gint));
|
|
|
|
for (i = 0; i < ret_val; i++)
|
|
{
|
|
gint row;
|
|
|
|
tree_path = (GtkTreePath *) g_ptr_array_index (array, i);
|
|
row = get_row_from_tree_path (tree_view, tree_path);
|
|
gtk_tree_path_free (tree_path);
|
|
(*rows_selected)[i] = row;
|
|
}
|
|
}
|
|
g_ptr_array_free (array, FALSE);
|
|
}
|
|
break;
|
|
case GTK_SELECTION_NONE:
|
|
break;
|
|
}
|
|
return ret_val;
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_add_row_selection (AtkTable *table,
|
|
gint row)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
GtkTreeSelection *selection;
|
|
GtkTreePath *tree_path;
|
|
GtkTreeIter iter_to_row;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return FALSE;
|
|
|
|
if (!gail_tree_view_is_row_selected (table, row))
|
|
{
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
selection = gtk_tree_view_get_selection (tree_view);
|
|
|
|
if (gtk_tree_model_get_flags (tree_model) & GTK_TREE_MODEL_LIST_ONLY)
|
|
{
|
|
tree_path = gtk_tree_path_new ();
|
|
gtk_tree_path_append_index (tree_path, row);
|
|
gtk_tree_selection_select_path (selection,tree_path);
|
|
gtk_tree_path_free (tree_path);
|
|
}
|
|
else
|
|
{
|
|
set_iter_nth_row (tree_view, &iter_to_row, row);
|
|
if (&iter_to_row != NULL)
|
|
gtk_tree_selection_select_iter (selection, &iter_to_row);
|
|
else
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return gail_tree_view_is_row_selected (table, row);
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_remove_row_selection (AtkTable *table,
|
|
gint row)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeSelection *selection;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return FALSE;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
|
|
selection = gtk_tree_view_get_selection (tree_view);
|
|
|
|
if (gail_tree_view_is_row_selected (table, row))
|
|
{
|
|
gtk_tree_selection_unselect_all (selection);
|
|
return TRUE;
|
|
}
|
|
else return FALSE;
|
|
}
|
|
|
|
static AtkObject*
|
|
gail_tree_view_get_row_header (AtkTable *table,
|
|
gint row)
|
|
{
|
|
GailTreeViewRowInfo *row_info;
|
|
|
|
row_info = get_row_info (table, row);
|
|
if (row_info)
|
|
return row_info->header;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_set_row_header (AtkTable *table,
|
|
gint row,
|
|
AtkObject *header)
|
|
{
|
|
set_row_data (table, row, header, NULL, TRUE);
|
|
}
|
|
|
|
static AtkObject*
|
|
gail_tree_view_get_column_header (AtkTable *table,
|
|
gint in_col)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeViewColumn *tv_col;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return NULL;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tv_col = get_column (tree_view, in_col);
|
|
return get_header_from_column (tv_col);
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_set_column_header (AtkTable *table,
|
|
gint in_col,
|
|
AtkObject *header)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeViewColumn *tv_col;
|
|
AtkObject *rc;
|
|
AtkPropertyValues values = { NULL };
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tv_col = get_column (tree_view, in_col);
|
|
if (tv_col == NULL)
|
|
return;
|
|
|
|
rc = g_object_get_qdata (G_OBJECT (tv_col),
|
|
quark_column_header_object);
|
|
if (rc)
|
|
g_object_unref (rc);
|
|
|
|
g_object_set_qdata (G_OBJECT (tv_col),
|
|
quark_column_header_object,
|
|
header);
|
|
if (header)
|
|
g_object_ref (header);
|
|
g_value_init (&values.new_value, G_TYPE_INT);
|
|
g_value_set_int (&values.new_value, in_col);
|
|
|
|
values.property_name = "accessible-table-column-header";
|
|
g_signal_emit_by_name (table,
|
|
"property_change::accessible-table-column-header",
|
|
&values, NULL);
|
|
}
|
|
|
|
static AtkObject*
|
|
gail_tree_view_get_caption (AtkTable *table)
|
|
{
|
|
GailTreeView* obj = GAIL_TREE_VIEW (table);
|
|
|
|
return obj->caption;
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_set_caption (AtkTable *table,
|
|
AtkObject *caption)
|
|
{
|
|
GailTreeView* obj = GAIL_TREE_VIEW (table);
|
|
AtkPropertyValues values = { NULL };
|
|
AtkObject *old_caption;
|
|
|
|
old_caption = obj->caption;
|
|
obj->caption = caption;
|
|
if (obj->caption)
|
|
g_object_ref (obj->caption);
|
|
g_value_init (&values.old_value, G_TYPE_POINTER);
|
|
g_value_set_pointer (&values.old_value, old_caption);
|
|
g_value_init (&values.new_value, G_TYPE_POINTER);
|
|
g_value_set_pointer (&values.new_value, obj->caption);
|
|
|
|
values.property_name = "accessible-table-caption-object";
|
|
g_signal_emit_by_name (table,
|
|
"property_change::accessible-table-caption-object",
|
|
&values, NULL);
|
|
if (old_caption)
|
|
g_object_unref (old_caption);
|
|
}
|
|
|
|
static G_CONST_RETURN gchar*
|
|
gail_tree_view_get_column_description (AtkTable *table,
|
|
gint in_col)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeViewColumn *tv_col;
|
|
gchar *rc;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return NULL;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tv_col = get_column (tree_view, in_col);
|
|
if (tv_col == NULL)
|
|
return NULL;
|
|
|
|
rc = g_object_get_qdata (G_OBJECT (tv_col),
|
|
quark_column_desc_object);
|
|
|
|
if (rc != NULL)
|
|
return rc;
|
|
else
|
|
{
|
|
gchar *title_text;
|
|
|
|
g_object_get (tv_col, "title", &title_text, NULL);
|
|
return title_text;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_set_column_description (AtkTable *table,
|
|
gint in_col,
|
|
const gchar *description)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeViewColumn *tv_col;
|
|
AtkPropertyValues values = { NULL };
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tv_col = get_column (tree_view, in_col);
|
|
if (tv_col == NULL)
|
|
return;
|
|
|
|
g_object_set_qdata (G_OBJECT (tv_col),
|
|
quark_column_desc_object,
|
|
g_strdup (description));
|
|
g_value_init (&values.new_value, G_TYPE_INT);
|
|
g_value_set_int (&values.new_value, in_col);
|
|
|
|
values.property_name = "accessible-table-column-description";
|
|
g_signal_emit_by_name (table,
|
|
"property_change::accessible-table-column-description",
|
|
&values, NULL);
|
|
}
|
|
|
|
static G_CONST_RETURN gchar*
|
|
gail_tree_view_get_row_description (AtkTable *table,
|
|
gint row)
|
|
{
|
|
GailTreeViewRowInfo *row_info;
|
|
|
|
row_info = get_row_info (table, row);
|
|
if (row_info)
|
|
return row_info->description;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_set_row_description (AtkTable *table,
|
|
gint row,
|
|
const gchar *description)
|
|
{
|
|
set_row_data (table, row, NULL, description, FALSE);
|
|
}
|
|
|
|
static AtkObject*
|
|
gail_tree_view_get_summary (AtkTable *table)
|
|
{
|
|
GailTreeView* obj = GAIL_TREE_VIEW (table);
|
|
|
|
return obj->summary;
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_set_summary (AtkTable *table,
|
|
AtkObject *accessible)
|
|
{
|
|
GailTreeView* obj = GAIL_TREE_VIEW (table);
|
|
AtkPropertyValues values = { NULL };
|
|
AtkObject *old_summary;
|
|
|
|
old_summary = obj->summary;
|
|
obj->summary = accessible;
|
|
if (obj->summary)
|
|
g_object_ref (obj->summary);
|
|
g_value_init (&values.old_value, G_TYPE_POINTER);
|
|
g_value_set_pointer (&values.old_value, old_summary);
|
|
g_value_init (&values.new_value, G_TYPE_POINTER);
|
|
g_value_set_pointer (&values.new_value, obj->summary);
|
|
|
|
values.property_name = "accessible-table-summary";
|
|
g_signal_emit_by_name (table,
|
|
"property_change::accessible-table-ummary",
|
|
&values, NULL);
|
|
if (old_summary)
|
|
g_object_unref (old_summary);
|
|
}
|
|
|
|
static void
|
|
set_row_data (AtkTable *table,
|
|
gint row,
|
|
AtkObject *header,
|
|
const gchar *description,
|
|
gboolean is_header)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
GailTreeView* obj = GAIL_TREE_VIEW (table);
|
|
GailTreeViewRowInfo* row_info;
|
|
GtkTreePath *path;
|
|
GtkTreeIter iter;
|
|
GArray *array;
|
|
gboolean found = FALSE;
|
|
gint i;
|
|
AtkPropertyValues values = { NULL };
|
|
gchar *signal_name;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
|
|
set_iter_nth_row (tree_view, &iter, row);
|
|
path = gtk_tree_model_get_path (tree_model, &iter);
|
|
|
|
if (obj->row_data == NULL)
|
|
obj->row_data = g_array_sized_new (FALSE, TRUE,
|
|
sizeof(GailTreeViewRowInfo *), 0);
|
|
|
|
array = obj->row_data;
|
|
|
|
for (i = 0; i < array->len; i++)
|
|
{
|
|
GtkTreePath *row_path;
|
|
|
|
row_info = g_array_index (array, GailTreeViewRowInfo*, i);
|
|
row_path = gtk_tree_row_reference_get_path (row_info->row_ref);
|
|
|
|
if (row_path != NULL)
|
|
{
|
|
if (path && gtk_tree_path_compare (row_path, path) == 0)
|
|
found = TRUE;
|
|
|
|
gtk_tree_path_free (row_path);
|
|
|
|
if (found)
|
|
{
|
|
if (is_header)
|
|
{
|
|
if (row_info->header)
|
|
g_object_unref (row_info->header);
|
|
row_info->header = header;
|
|
if (row_info->header)
|
|
g_object_ref (row_info->header);
|
|
}
|
|
else
|
|
{
|
|
g_free (row_info->description);
|
|
row_info->description = g_strdup (description);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
/* if not found */
|
|
row_info = g_malloc (sizeof(GailTreeViewRowInfo));
|
|
row_info->row_ref = gtk_tree_row_reference_new (tree_model, path);
|
|
if (is_header)
|
|
{
|
|
row_info->header = header;
|
|
if (row_info->header)
|
|
g_object_ref (row_info->header);
|
|
row_info->description = NULL;
|
|
}
|
|
else
|
|
{
|
|
row_info->header = NULL;
|
|
row_info->description = g_strdup (description);
|
|
}
|
|
g_array_append_val (array, row_info);
|
|
}
|
|
g_value_init (&values.new_value, G_TYPE_INT);
|
|
g_value_set_int (&values.new_value, row);
|
|
|
|
if (is_header)
|
|
{
|
|
values.property_name = "accessible-table-row-header";
|
|
signal_name = "property_change::accessible-table-row-header";
|
|
}
|
|
else
|
|
{
|
|
values.property_name = "accessible-table-row-description";
|
|
signal_name = "property-change::accessible-table-row-description";
|
|
}
|
|
g_signal_emit_by_name (table,
|
|
signal_name,
|
|
&values, NULL);
|
|
|
|
gtk_tree_path_free (path);
|
|
}
|
|
|
|
|
|
static GailTreeViewRowInfo*
|
|
get_row_info (AtkTable *table,
|
|
gint row)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
GailTreeView* obj = GAIL_TREE_VIEW (table);
|
|
GtkTreePath *path;
|
|
GtkTreeIter iter;
|
|
GArray *array;
|
|
GailTreeViewRowInfo *rc = NULL;
|
|
|
|
widget = GTK_ACCESSIBLE (table)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return NULL;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
|
|
set_iter_nth_row (tree_view, &iter, row);
|
|
path = gtk_tree_model_get_path (tree_model, &iter);
|
|
array = obj->row_data;
|
|
|
|
if (array != NULL)
|
|
{
|
|
GailTreeViewRowInfo *row_info;
|
|
GtkTreePath *row_path;
|
|
gint i;
|
|
|
|
for (i = 0; i < array->len; i++)
|
|
{
|
|
row_info = g_array_index (array, GailTreeViewRowInfo*, i);
|
|
row_path = gtk_tree_row_reference_get_path (row_info->row_ref);
|
|
if (row_path != NULL)
|
|
{
|
|
if (path && gtk_tree_path_compare (row_path, path) == 0)
|
|
rc = row_info;
|
|
|
|
gtk_tree_path_free (row_path);
|
|
|
|
if (rc != NULL)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
gtk_tree_path_free (path);
|
|
return rc;
|
|
}
|
|
/* atkselection.h */
|
|
|
|
static void atk_selection_interface_init (AtkSelectionIface *iface)
|
|
{
|
|
iface->add_selection = gail_tree_view_add_selection;
|
|
iface->clear_selection = gail_tree_view_clear_selection;
|
|
iface->ref_selection = gail_tree_view_ref_selection;
|
|
iface->get_selection_count = gail_tree_view_get_selection_count;
|
|
iface->is_child_selected = gail_tree_view_is_child_selected;
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_add_selection (AtkSelection *selection,
|
|
gint i)
|
|
{
|
|
AtkTable *table;
|
|
gint n_columns;
|
|
gint row;
|
|
|
|
table = ATK_TABLE (selection);
|
|
n_columns = gail_tree_view_get_n_columns (table);
|
|
if (n_columns != 1)
|
|
return FALSE;
|
|
|
|
row = gail_tree_view_get_row_at_index (table, i);
|
|
return gail_tree_view_add_row_selection (table, row);
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_clear_selection (AtkSelection *selection)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeSelection *tree_selection;
|
|
|
|
widget = GTK_ACCESSIBLE (selection)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return FALSE;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
|
|
tree_selection = gtk_tree_view_get_selection (tree_view);
|
|
gtk_tree_selection_unselect_all (tree_selection);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static AtkObject*
|
|
gail_tree_view_ref_selection (AtkSelection *selection,
|
|
gint i)
|
|
{
|
|
AtkTable *table;
|
|
gint row;
|
|
gint n_selected;
|
|
gint n_columns;
|
|
gint *selected;
|
|
|
|
table = ATK_TABLE (selection);
|
|
n_columns = gail_tree_view_get_n_columns (table);
|
|
n_selected = gail_tree_view_get_selected_rows (table, &selected);
|
|
if (i >= n_columns * n_selected)
|
|
return NULL;
|
|
|
|
row = selected[i / n_columns];
|
|
g_free (selected);
|
|
|
|
return gail_tree_view_table_ref_at (table, row, i % n_columns);
|
|
}
|
|
|
|
static gint
|
|
gail_tree_view_get_selection_count (AtkSelection *selection)
|
|
{
|
|
AtkTable *table;
|
|
gint n_selected;
|
|
|
|
table = ATK_TABLE (selection);
|
|
n_selected = gail_tree_view_get_selected_rows (table, NULL);
|
|
if (n_selected > 0)
|
|
n_selected *= gail_tree_view_get_n_columns (table);
|
|
return n_selected;
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_is_child_selected (AtkSelection *selection,
|
|
gint i)
|
|
{
|
|
GtkWidget *widget;
|
|
gint row;
|
|
|
|
widget = GTK_ACCESSIBLE (selection)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return FALSE;
|
|
|
|
row = atk_table_get_row_at_index (ATK_TABLE (selection), i);
|
|
|
|
return gail_tree_view_is_row_selected (ATK_TABLE (selection), row);
|
|
}
|
|
|
|
|
|
static void gail_cell_parent_interface_init (GailCellParentIface *iface)
|
|
{
|
|
iface->get_cell_extents = gail_tree_view_get_cell_extents;
|
|
iface->get_cell_area = gail_tree_view_get_cell_area;
|
|
iface->grab_focus = gail_tree_view_grab_cell_focus;
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_get_cell_extents (GailCellParent *parent,
|
|
GailCell *cell,
|
|
gint *x,
|
|
gint *y,
|
|
gint *width,
|
|
gint *height,
|
|
AtkCoordType coord_type)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GdkWindow *bin_window;
|
|
GdkRectangle cell_rect;
|
|
gint w_x, w_y;
|
|
|
|
widget = GTK_ACCESSIBLE (parent)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
gail_tree_view_get_cell_area (parent, cell, &cell_rect);
|
|
bin_window = gtk_tree_view_get_bin_window (tree_view);
|
|
gdk_window_get_origin (bin_window, &w_x, &w_y);
|
|
|
|
if (coord_type == ATK_XY_WINDOW)
|
|
{
|
|
GdkWindow *window;
|
|
gint x_toplevel, y_toplevel;
|
|
|
|
window = gdk_window_get_toplevel (bin_window);
|
|
gdk_window_get_origin (window, &x_toplevel, &y_toplevel);
|
|
|
|
w_x -= x_toplevel;
|
|
w_y -= y_toplevel;
|
|
}
|
|
|
|
*width = cell_rect.width;
|
|
*height = cell_rect.height;
|
|
if (is_cell_showing (tree_view, &cell_rect))
|
|
{
|
|
*x = cell_rect.x + w_x;
|
|
*y = cell_rect.y + w_y;
|
|
}
|
|
else
|
|
{
|
|
*x = G_MININT;
|
|
*y = G_MININT;
|
|
}
|
|
}
|
|
|
|
#define EXTRA_EXPANDER_PADDING 4
|
|
|
|
static void
|
|
gail_tree_view_get_cell_area (GailCellParent *parent,
|
|
GailCell *cell,
|
|
GdkRectangle *cell_rect)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeViewColumn *tv_col;
|
|
GtkTreePath *path;
|
|
AtkObject *parent_cell;
|
|
GailTreeViewCellInfo *cell_info;
|
|
GailCell *top_cell;
|
|
|
|
widget = GTK_ACCESSIBLE (parent)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
parent_cell = atk_object_get_parent (ATK_OBJECT (cell));
|
|
if (parent_cell != ATK_OBJECT (parent))
|
|
{
|
|
/*
|
|
* GailCell is in a GailContainerCell
|
|
*/
|
|
top_cell = GAIL_CELL (parent_cell);
|
|
}
|
|
else
|
|
{
|
|
top_cell = cell;
|
|
}
|
|
cell_info = find_cell_info (GAIL_TREE_VIEW (parent), top_cell, NULL, TRUE);
|
|
gail_return_if_fail (cell_info);
|
|
gail_return_if_fail (cell_info->cell_col_ref);
|
|
gail_return_if_fail (cell_info->cell_row_ref);
|
|
path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
tv_col = cell_info->cell_col_ref;
|
|
if (path && cell_info->in_use)
|
|
{
|
|
GtkTreeViewColumn *expander_column;
|
|
gint focus_line_width;
|
|
|
|
gtk_tree_view_get_cell_area (tree_view, path, tv_col, cell_rect);
|
|
expander_column = gtk_tree_view_get_expander_column (tree_view);
|
|
if (expander_column == tv_col)
|
|
{
|
|
gint expander_size;
|
|
|
|
gtk_widget_style_get (widget,
|
|
"expander_size", &expander_size,
|
|
NULL);
|
|
|
|
cell_rect->x += expander_size + EXTRA_EXPANDER_PADDING;
|
|
cell_rect->width -= expander_size + EXTRA_EXPANDER_PADDING;
|
|
}
|
|
gtk_widget_style_get (widget,
|
|
"focus-line-width", &focus_line_width,
|
|
NULL);
|
|
|
|
cell_rect->x += focus_line_width;
|
|
cell_rect->width -= 2 * focus_line_width;
|
|
|
|
gtk_tree_path_free (path);
|
|
|
|
/*
|
|
* A column has more than one renderer so we find the position and width
|
|
* of each.
|
|
*/
|
|
if (top_cell != cell)
|
|
{
|
|
gint cell_index;
|
|
gboolean found;
|
|
gint cell_start;
|
|
gint cell_width;
|
|
GList *renderers;
|
|
GtkCellRenderer *renderer;
|
|
|
|
cell_index = atk_object_get_index_in_parent (ATK_OBJECT (cell));
|
|
renderers = gtk_tree_view_column_get_cell_renderers (tv_col);
|
|
renderer = g_list_nth_data (renderers, cell_index);
|
|
|
|
found = gtk_tree_view_column_cell_get_position (tv_col, renderer, &cell_start, &cell_width);
|
|
if (found)
|
|
{
|
|
cell_rect->x += cell_start;
|
|
cell_rect->width = cell_width;
|
|
}
|
|
g_list_free (renderers);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_grab_cell_focus (GailCellParent *parent,
|
|
GailCell *cell)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeViewColumn *tv_col;
|
|
GtkTreePath *path;
|
|
AtkObject *parent_cell;
|
|
AtkObject *cell_object;
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkCellRenderer *renderer = NULL;
|
|
GtkWidget *toplevel;
|
|
gint index;
|
|
|
|
widget = GTK_ACCESSIBLE (parent)->widget;
|
|
if (widget == NULL)
|
|
/* State is defunct */
|
|
return FALSE;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
|
|
cell_info = find_cell_info (GAIL_TREE_VIEW (parent), cell, NULL, TRUE);
|
|
gail_return_val_if_fail (cell_info, FALSE);
|
|
gail_return_val_if_fail (cell_info->cell_col_ref, FALSE);
|
|
gail_return_val_if_fail (cell_info->cell_row_ref, FALSE);
|
|
cell_object = ATK_OBJECT (cell);
|
|
parent_cell = atk_object_get_parent (cell_object);
|
|
tv_col = cell_info->cell_col_ref;
|
|
if (parent_cell != ATK_OBJECT (parent))
|
|
{
|
|
/*
|
|
* GailCell is in a GailContainerCell.
|
|
* The GtkTreeViewColumn has multiple renderers;
|
|
* find the corresponding one.
|
|
*/
|
|
GList *renderers;
|
|
|
|
renderers = gtk_tree_view_column_get_cell_renderers (tv_col);
|
|
if (cell_info->in_use) {
|
|
index = atk_object_get_index_in_parent (cell_object);
|
|
renderer = g_list_nth_data (renderers, index);
|
|
}
|
|
g_list_free (renderers);
|
|
}
|
|
path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
if (path && cell_info->in_use)
|
|
{
|
|
if (renderer)
|
|
gtk_tree_view_set_cursor_on_cell (tree_view, path, tv_col, renderer, FALSE);
|
|
else
|
|
gtk_tree_view_set_cursor (tree_view, path, tv_col, FALSE);
|
|
|
|
gtk_tree_path_free (path);
|
|
gtk_widget_grab_focus (widget);
|
|
toplevel = gtk_widget_get_toplevel (widget);
|
|
if (GTK_WIDGET_TOPLEVEL (toplevel))
|
|
{
|
|
#ifdef GDK_WINDOWING_X11
|
|
gtk_window_present_with_time (GTK_WINDOW (toplevel), gdk_x11_get_server_time (widget->window));
|
|
#else
|
|
gtk_window_present (GTK_WINDOW (toplevel));
|
|
#endif
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
/* signal handling */
|
|
|
|
static gboolean
|
|
gail_tree_view_expand_row_gtk (GtkTreeView *tree_view,
|
|
GtkTreeIter *iter,
|
|
GtkTreePath *path)
|
|
{
|
|
AtkObject *atk_obj;
|
|
GailTreeView *gailview;
|
|
|
|
g_assert (GTK_IS_TREE_VIEW (tree_view));
|
|
|
|
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
|
|
|
|
g_assert (GAIL_IS_TREE_VIEW (atk_obj));
|
|
|
|
gailview = GAIL_TREE_VIEW (atk_obj);
|
|
|
|
/*
|
|
* The visible rectangle has not been updated when this signal is emitted
|
|
* so we process the signal when the GTK processing is completed
|
|
*/
|
|
/* this seems wrong since it overwrites any other pending expand handlers... */
|
|
gailview->idle_expand_path = gtk_tree_path_copy (path);
|
|
if (gailview->idle_expand_id)
|
|
g_source_remove (gailview->idle_expand_id);
|
|
gailview->idle_expand_id = gdk_threads_add_idle (idle_expand_row, gailview);
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
idle_expand_row (gpointer data)
|
|
{
|
|
GailTreeView *gailview = data;
|
|
GtkTreePath *path;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeIter iter;
|
|
GtkTreeModel *tree_model;
|
|
gint n_inserted, row;
|
|
|
|
gailview->idle_expand_id = 0;
|
|
|
|
path = gailview->idle_expand_path;
|
|
tree_view = GTK_TREE_VIEW (GTK_ACCESSIBLE (gailview)->widget);
|
|
|
|
g_assert (GTK_IS_TREE_VIEW (tree_view));
|
|
|
|
tree_model = gtk_tree_view_get_model(tree_view);
|
|
if (!tree_model)
|
|
return FALSE;
|
|
|
|
if (!path || !gtk_tree_model_get_iter (tree_model, &iter, path))
|
|
return FALSE;
|
|
|
|
/*
|
|
* Update visibility of cells below expansion row
|
|
*/
|
|
traverse_cells (gailview, path, FALSE, FALSE);
|
|
/*
|
|
* Figure out number of visible children, the following test
|
|
* should not fail
|
|
*/
|
|
if (gtk_tree_model_iter_has_child (tree_model, &iter))
|
|
{
|
|
GtkTreePath *path_copy;
|
|
|
|
/*
|
|
* By passing path into this function, we find the number of
|
|
* visible children of path.
|
|
*/
|
|
path_copy = gtk_tree_path_copy (path);
|
|
gtk_tree_path_append_index(path_copy, 0);
|
|
|
|
n_inserted = 0;
|
|
iterate_thru_children (tree_view, tree_model,
|
|
path_copy, NULL, &n_inserted, 0);
|
|
gtk_tree_path_free (path_copy);
|
|
}
|
|
else
|
|
{
|
|
/* We can get here if the row expanded callback deleted the row */
|
|
return FALSE;
|
|
}
|
|
|
|
/* Set expand state */
|
|
set_expand_state (tree_view, tree_model, gailview, path, TRUE);
|
|
|
|
row = get_row_from_tree_path (tree_view, path);
|
|
|
|
/* shouldn't ever happen */
|
|
if (row == -1)
|
|
g_assert_not_reached ();
|
|
|
|
/* Must add 1 because the "added rows" are below the row being expanded */
|
|
row += 1;
|
|
|
|
g_signal_emit_by_name (gailview, "row_inserted", row, n_inserted);
|
|
|
|
gailview->idle_expand_path = NULL;
|
|
|
|
gtk_tree_path_free (path);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gail_tree_view_collapse_row_gtk (GtkTreeView *tree_view,
|
|
GtkTreeIter *iter,
|
|
GtkTreePath *path)
|
|
{
|
|
GtkTreeModel *tree_model;
|
|
AtkObject *atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
|
|
GailTreeView *gailview = GAIL_TREE_VIEW (atk_obj);
|
|
gint row;
|
|
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
|
|
clean_rows (gailview);
|
|
|
|
/*
|
|
* Update visibility of cells below collapsed row
|
|
*/
|
|
traverse_cells (gailview, path, FALSE, FALSE);
|
|
/* Set collapse state */
|
|
set_expand_state (tree_view, tree_model, gailview, path, FALSE);
|
|
|
|
gail_return_val_if_fail (gailview->n_children_deleted, FALSE);
|
|
row = get_row_from_tree_path (tree_view, path);
|
|
gail_return_val_if_fail (row != -1, FALSE);
|
|
g_signal_emit_by_name (atk_obj, "row_deleted", row,
|
|
gailview->n_children_deleted);
|
|
gailview->n_children_deleted = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_size_allocate_gtk (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
AtkObject *atk_obj = gtk_widget_get_accessible (widget);
|
|
GailTreeView *gailview = GAIL_TREE_VIEW (atk_obj);
|
|
|
|
/*
|
|
* If the size allocation changes, the visibility of cells may change so
|
|
* update the cells visibility.
|
|
*/
|
|
traverse_cells (gailview, NULL, FALSE, FALSE);
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_set_scroll_adjustments (GtkWidget *widget,
|
|
GtkAdjustment *hadj,
|
|
GtkAdjustment *vadj)
|
|
{
|
|
AtkObject *atk_obj = gtk_widget_get_accessible (widget);
|
|
GailTreeView *gailview = GAIL_TREE_VIEW (atk_obj);
|
|
GtkAdjustment *adj;
|
|
|
|
g_object_get (widget, hadjustment, &adj, NULL);
|
|
if (gailview->old_hadj != adj)
|
|
{
|
|
g_signal_handlers_disconnect_by_func (gailview->old_hadj,
|
|
(gpointer) adjustment_changed,
|
|
widget);
|
|
gailview->old_hadj = adj;
|
|
g_object_add_weak_pointer (G_OBJECT (gailview->old_hadj), (gpointer *)&gailview->old_hadj);
|
|
g_signal_connect (adj,
|
|
"value_changed",
|
|
G_CALLBACK (adjustment_changed),
|
|
widget);
|
|
}
|
|
g_object_get (widget, vadjustment, &adj, NULL);
|
|
if (gailview->old_vadj != adj)
|
|
{
|
|
g_signal_handlers_disconnect_by_func (gailview->old_vadj,
|
|
(gpointer) adjustment_changed,
|
|
widget);
|
|
gailview->old_vadj = adj;
|
|
g_object_add_weak_pointer (G_OBJECT (gailview->old_vadj), (gpointer *)&gailview->old_vadj);
|
|
g_signal_connect (adj,
|
|
"value_changed",
|
|
G_CALLBACK (adjustment_changed),
|
|
widget);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gail_tree_view_changed_gtk (GtkTreeSelection *selection,
|
|
gpointer data)
|
|
{
|
|
GailTreeView *gailview;
|
|
GtkTreeView *tree_view;
|
|
GtkWidget *widget;
|
|
GList *cell_list;
|
|
GList *l;
|
|
GailTreeViewCellInfo *info;
|
|
GtkTreeSelection *tree_selection;
|
|
GtkTreePath *path;
|
|
|
|
gailview = GAIL_TREE_VIEW (data);
|
|
cell_list = gailview->cell_data;
|
|
widget = GTK_ACCESSIBLE (gailview)->widget;
|
|
if (widget == NULL)
|
|
/*
|
|
* destroy signal emitted for widget
|
|
*/
|
|
return;
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
|
|
tree_selection = gtk_tree_view_get_selection (tree_view);
|
|
|
|
for (l = cell_list; l; l = l->next)
|
|
{
|
|
info = (GailTreeViewCellInfo *) (l->data);
|
|
|
|
if (info->in_use)
|
|
{
|
|
gail_cell_remove_state (info->cell, ATK_STATE_SELECTED, TRUE);
|
|
|
|
path = gtk_tree_row_reference_get_path (info->cell_row_ref);
|
|
if (path && gtk_tree_selection_path_is_selected (tree_selection, path))
|
|
gail_cell_add_state (info->cell, ATK_STATE_SELECTED, TRUE);
|
|
gtk_tree_path_free (path);
|
|
}
|
|
}
|
|
if (GTK_WIDGET_REALIZED (widget))
|
|
g_signal_emit_by_name (gailview, "selection_changed");
|
|
}
|
|
|
|
static void
|
|
columns_changed (GtkTreeView *tree_view)
|
|
{
|
|
AtkObject *atk_obj = gtk_widget_get_accessible (GTK_WIDGET(tree_view));
|
|
GailTreeView *gailview = GAIL_TREE_VIEW (atk_obj);
|
|
GList *tv_cols, *tmp_list;
|
|
gboolean column_found;
|
|
gboolean move_found = FALSE;
|
|
gboolean stale_set = FALSE;
|
|
gint column_count = 0;
|
|
gint i;
|
|
|
|
/*
|
|
* This function must determine if the change is an add, delete or
|
|
* a move based upon its cache of TreeViewColumns in
|
|
* gailview->col_data
|
|
*/
|
|
tv_cols = gtk_tree_view_get_columns (tree_view);
|
|
|
|
/* check for adds or moves */
|
|
for (tmp_list = tv_cols; tmp_list; tmp_list = tmp_list->next)
|
|
{
|
|
column_found = FALSE;
|
|
|
|
for (i = 0; i < gailview->col_data->len; i++)
|
|
{
|
|
|
|
if ((GtkTreeViewColumn *)tmp_list->data ==
|
|
(GtkTreeViewColumn *)g_array_index (gailview->col_data,
|
|
GtkTreeViewColumn *, i))
|
|
{
|
|
column_found = TRUE;
|
|
|
|
/* If the column isn't in the same position, a move happened */
|
|
if (!move_found && i != column_count)
|
|
{
|
|
if (!stale_set)
|
|
{
|
|
/* Set all rows to ATK_STATE_STALE */
|
|
traverse_cells (gailview, NULL, TRUE, FALSE);
|
|
stale_set = TRUE;
|
|
}
|
|
|
|
/* Just emit one column reordered signal when a move happens */
|
|
g_signal_emit_by_name (atk_obj, "column_reordered");
|
|
move_found = TRUE;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If column_found is FALSE, then an insert happened for column
|
|
* number column_count
|
|
*/
|
|
if (!column_found)
|
|
{
|
|
gint n_cols, n_rows, row;
|
|
|
|
if (!stale_set)
|
|
{
|
|
/* Set all rows to ATK_STATE_STALE */
|
|
traverse_cells (gailview, NULL, TRUE, FALSE);
|
|
stale_set = TRUE;
|
|
}
|
|
|
|
/* Generate column-inserted signal */
|
|
g_signal_emit_by_name (atk_obj, "column_inserted", column_count, 1);
|
|
|
|
/* Generate children-changed signals */
|
|
n_rows = get_row_count (gtk_tree_view_get_model (tree_view));
|
|
n_cols = get_n_actual_columns (tree_view);
|
|
for (row = 0; row < n_rows; row++)
|
|
{
|
|
/*
|
|
* Pass NULL as the child object, i.e. 4th argument.
|
|
*/
|
|
g_signal_emit_by_name (atk_obj, "children_changed::add",
|
|
((row * n_cols) + column_count), NULL, NULL);
|
|
}
|
|
}
|
|
|
|
column_count++;
|
|
}
|
|
|
|
/* check for deletes */
|
|
for (i = 0; i < gailview->col_data->len; i++)
|
|
{
|
|
column_found = FALSE;
|
|
|
|
for (tmp_list = tv_cols; tmp_list; tmp_list = tmp_list->next)
|
|
{
|
|
if ((GtkTreeViewColumn *)tmp_list->data ==
|
|
(GtkTreeViewColumn *)g_array_index (gailview->col_data,
|
|
GtkTreeViewColumn *, i))
|
|
{
|
|
column_found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If column_found is FALSE, then a delete happened for column
|
|
* number i
|
|
*/
|
|
if (!column_found)
|
|
{
|
|
gint n_rows, n_cols, row;
|
|
|
|
clean_cols (gailview,
|
|
(GtkTreeViewColumn *)g_array_index (gailview->col_data,
|
|
GtkTreeViewColumn *, i));
|
|
|
|
if (!stale_set)
|
|
{
|
|
/* Set all rows to ATK_STATE_STALE */
|
|
traverse_cells (gailview, NULL, TRUE, FALSE);
|
|
stale_set = TRUE;
|
|
}
|
|
|
|
/* Generate column-deleted signal */
|
|
g_signal_emit_by_name (atk_obj, "column_deleted", i, 1);
|
|
|
|
/* Generate children-changed signals */
|
|
n_rows = get_row_count (gtk_tree_view_get_model (tree_view));
|
|
n_cols = get_n_actual_columns (tree_view);
|
|
for (row = 0; row < n_rows; row++)
|
|
{
|
|
/*
|
|
* Pass NULL as the child object, 4th argument.
|
|
*/
|
|
g_signal_emit_by_name (atk_obj, "children_changed::remove",
|
|
((row * n_cols) + column_count), NULL, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* rebuild the array */
|
|
|
|
g_array_free (gailview->col_data, TRUE);
|
|
gailview->col_data = g_array_sized_new (FALSE, TRUE,
|
|
sizeof(GtkTreeViewColumn *), 0);
|
|
|
|
for (tmp_list = tv_cols; tmp_list; tmp_list = tmp_list->next)
|
|
g_array_append_val (gailview->col_data, tmp_list->data);
|
|
g_list_free (tv_cols);
|
|
}
|
|
|
|
static void
|
|
cursor_changed (GtkTreeView *tree_view)
|
|
{
|
|
GailTreeView *gailview;
|
|
|
|
gailview = GAIL_TREE_VIEW (gtk_widget_get_accessible (GTK_WIDGET (tree_view)));
|
|
if (gailview->idle_cursor_changed_id != 0)
|
|
return;
|
|
|
|
/*
|
|
* We notify the focus change in a idle handler so that the processing
|
|
* of the cursor change is completed when the focus handler is called.
|
|
* This will allow actions to be called in the focus handler
|
|
*/
|
|
gailview->idle_cursor_changed_id = gdk_threads_add_idle (idle_cursor_changed, gailview);
|
|
}
|
|
|
|
static gint
|
|
idle_cursor_changed (gpointer data)
|
|
{
|
|
GailTreeView *gail_tree_view = GAIL_TREE_VIEW (data);
|
|
GtkTreeView *tree_view;
|
|
GtkWidget *widget;
|
|
AtkObject *cell;
|
|
|
|
gail_tree_view->idle_cursor_changed_id = 0;
|
|
|
|
widget = GTK_ACCESSIBLE (gail_tree_view)->widget;
|
|
/*
|
|
* Widget has been deleted
|
|
*/
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
|
|
cell = gail_tree_view_ref_focus_cell (tree_view);
|
|
if (cell)
|
|
{
|
|
if (cell != gail_tree_view->focus_cell)
|
|
{
|
|
if (gail_tree_view->focus_cell)
|
|
{
|
|
gail_cell_remove_state (GAIL_CELL (gail_tree_view->focus_cell), ATK_STATE_ACTIVE, FALSE);
|
|
gail_cell_remove_state (GAIL_CELL (gail_tree_view->focus_cell), ATK_STATE_FOCUSED, FALSE);
|
|
g_object_unref (gail_tree_view->focus_cell);
|
|
}
|
|
gail_tree_view->focus_cell = cell;
|
|
|
|
if (GTK_WIDGET_HAS_FOCUS (widget))
|
|
{
|
|
gail_cell_add_state (GAIL_CELL (cell), ATK_STATE_ACTIVE, FALSE);
|
|
gail_cell_add_state (GAIL_CELL (cell), ATK_STATE_FOCUSED, FALSE);
|
|
}
|
|
g_signal_emit_by_name (gail_tree_view,
|
|
"active-descendant-changed",
|
|
cell);
|
|
}
|
|
else
|
|
g_object_unref (cell);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
focus_in (GtkWidget *widget)
|
|
{
|
|
GtkTreeView *tree_view;
|
|
GailTreeView *gail_tree_view;
|
|
AtkStateSet *state_set;
|
|
AtkObject *cell;
|
|
|
|
tree_view = GTK_TREE_VIEW (widget);
|
|
gail_tree_view = GAIL_TREE_VIEW (gtk_widget_get_accessible (widget));
|
|
|
|
if (gail_tree_view->focus_cell == NULL)
|
|
{
|
|
cell = gail_tree_view_ref_focus_cell (tree_view);
|
|
if (cell)
|
|
{
|
|
state_set = atk_object_ref_state_set (cell);
|
|
if (state_set)
|
|
{
|
|
if (!atk_state_set_contains_state (state_set, ATK_STATE_FOCUSED))
|
|
{
|
|
gail_cell_add_state (GAIL_CELL (cell), ATK_STATE_ACTIVE, FALSE);
|
|
gail_tree_view->focus_cell = cell;
|
|
gail_cell_add_state (GAIL_CELL (cell), ATK_STATE_FOCUSED, FALSE);
|
|
g_signal_emit_by_name (gail_tree_view,
|
|
"active-descendant-changed",
|
|
cell);
|
|
}
|
|
g_object_unref (state_set);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
focus_out (GtkWidget *widget)
|
|
{
|
|
GailTreeView *gail_tree_view;
|
|
|
|
gail_tree_view = GAIL_TREE_VIEW (gtk_widget_get_accessible (widget));
|
|
if (gail_tree_view->focus_cell)
|
|
{
|
|
gail_cell_remove_state (GAIL_CELL (gail_tree_view->focus_cell), ATK_STATE_ACTIVE, FALSE);
|
|
gail_cell_remove_state (GAIL_CELL (gail_tree_view->focus_cell), ATK_STATE_FOCUSED, FALSE);
|
|
g_object_unref (gail_tree_view->focus_cell);
|
|
gail_tree_view->focus_cell = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
model_row_changed (GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
GtkTreeIter *iter,
|
|
gpointer user_data)
|
|
{
|
|
GtkTreeView *tree_view = GTK_TREE_VIEW(user_data);
|
|
GailTreeView *gailview;
|
|
GtkTreePath *cell_path;
|
|
GList *l;
|
|
GailTreeViewCellInfo *cell_info;
|
|
|
|
gailview = GAIL_TREE_VIEW (gtk_widget_get_accessible (GTK_WIDGET (tree_view)));
|
|
|
|
/* Loop through our cached cells */
|
|
/* Must loop through them all */
|
|
for (l = gailview->cell_data; l; l = l->next)
|
|
{
|
|
cell_info = (GailTreeViewCellInfo *) l->data;
|
|
if (cell_info->in_use)
|
|
{
|
|
cell_path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
|
|
if (cell_path != NULL)
|
|
{
|
|
if (path && gtk_tree_path_compare (cell_path, path) == 0)
|
|
{
|
|
if (GAIL_IS_RENDERER_CELL (cell_info->cell))
|
|
{
|
|
update_cell_value (GAIL_RENDERER_CELL (cell_info->cell),
|
|
gailview, TRUE);
|
|
}
|
|
}
|
|
gtk_tree_path_free (cell_path);
|
|
}
|
|
}
|
|
}
|
|
g_signal_emit_by_name (gailview, "visible-data-changed");
|
|
}
|
|
|
|
static void
|
|
column_visibility_changed (GObject *object,
|
|
GParamSpec *pspec,
|
|
gpointer user_data)
|
|
{
|
|
if (strcmp (pspec->name, "visible") == 0)
|
|
{
|
|
/*
|
|
* A column has been made visible or invisible
|
|
*
|
|
* We update our cache of cells and emit model_changed signal
|
|
*/
|
|
GtkTreeView *tree_view = (GtkTreeView *)user_data;
|
|
GailTreeView *gailview;
|
|
GList *l;
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkTreeViewColumn *this_col = GTK_TREE_VIEW_COLUMN (object);
|
|
GtkTreeViewColumn *tv_col;
|
|
|
|
gailview = GAIL_TREE_VIEW (gtk_widget_get_accessible (GTK_WIDGET (tree_view))
|
|
);
|
|
g_signal_emit_by_name (gailview, "model_changed");
|
|
|
|
for (l = gailview->cell_data; l; l = l->next)
|
|
{
|
|
cell_info = (GailTreeViewCellInfo *) l->data;
|
|
if (cell_info->in_use)
|
|
{
|
|
tv_col = cell_info->cell_col_ref;
|
|
if (tv_col == this_col)
|
|
{
|
|
GtkTreePath *row_path;
|
|
row_path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
if (GAIL_IS_RENDERER_CELL (cell_info->cell))
|
|
{
|
|
if (gtk_tree_view_column_get_visible (tv_col))
|
|
set_cell_visibility (tree_view,
|
|
cell_info->cell,
|
|
tv_col, row_path, FALSE);
|
|
else
|
|
{
|
|
gail_cell_remove_state (cell_info->cell,
|
|
ATK_STATE_VISIBLE, TRUE);
|
|
gail_cell_remove_state (cell_info->cell,
|
|
ATK_STATE_SHOWING, TRUE);
|
|
}
|
|
}
|
|
gtk_tree_path_free (row_path);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This is the signal handler for the "destroy" signal for a GtkTreeViewColumn
|
|
*
|
|
* We check whether we have stored column description or column header
|
|
* and if so we get rid of it.
|
|
*/
|
|
static void
|
|
column_destroy (GtkObject *obj)
|
|
{
|
|
GtkTreeViewColumn *tv_col = GTK_TREE_VIEW_COLUMN (obj);
|
|
AtkObject *header;
|
|
gchar *desc;
|
|
|
|
header = g_object_get_qdata (G_OBJECT (tv_col),
|
|
quark_column_header_object);
|
|
if (header)
|
|
g_object_unref (header);
|
|
desc = g_object_get_qdata (G_OBJECT (tv_col),
|
|
quark_column_desc_object);
|
|
g_free (desc);
|
|
}
|
|
|
|
static void
|
|
model_row_inserted (GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
GtkTreeIter *iter,
|
|
gpointer user_data)
|
|
{
|
|
GtkTreeView *tree_view = (GtkTreeView *)user_data;
|
|
GtkTreePath *path_copy;
|
|
AtkObject *atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
|
|
GailTreeView *gailview = GAIL_TREE_VIEW (atk_obj);
|
|
gint row, n_inserted, child_row;
|
|
|
|
if (gailview->idle_expand_id)
|
|
{
|
|
g_source_remove (gailview->idle_expand_id);
|
|
gailview->idle_expand_id = 0;
|
|
|
|
/* don't do this if the insertion precedes the idle path, since it will now be invalid */
|
|
if (path && gailview->idle_expand_path &&
|
|
(gtk_tree_path_compare (path, gailview->idle_expand_path) > 0))
|
|
set_expand_state (tree_view, tree_model, gailview, gailview->idle_expand_path, FALSE);
|
|
if (gailview->idle_expand_path)
|
|
gtk_tree_path_free (gailview->idle_expand_path);
|
|
}
|
|
/* Check to see if row is visible */
|
|
row = get_row_from_tree_path (tree_view, path);
|
|
|
|
/*
|
|
* A row insert is not necessarily visible. For example,
|
|
* a row can be draged & dropped into another row, which
|
|
* causes an insert on the model that isn't visible in the
|
|
* view. Only generate a signal if the inserted row is
|
|
* visible.
|
|
*/
|
|
if (row != -1)
|
|
{
|
|
GtkTreeIter iter;
|
|
gint n_cols, col;
|
|
|
|
gtk_tree_model_get_iter (tree_model, &iter, path);
|
|
|
|
/* Figure out number of visible children. */
|
|
if (gtk_tree_model_iter_has_child (tree_model, &iter))
|
|
{
|
|
/*
|
|
* By passing path into this function, we find the number of
|
|
* visible children of path.
|
|
*/
|
|
n_inserted = 0;
|
|
iterate_thru_children (tree_view, tree_model,
|
|
path, NULL, &n_inserted, 0);
|
|
|
|
/* Must add one to include the row that is being added */
|
|
n_inserted++;
|
|
}
|
|
else
|
|
n_inserted = 1;
|
|
|
|
/* Set rows below the inserted row to ATK_STATE_STALE */
|
|
traverse_cells (gailview, path, TRUE, TRUE);
|
|
|
|
/* Generate row-inserted signal */
|
|
g_signal_emit_by_name (atk_obj, "row_inserted", row, n_inserted);
|
|
|
|
/* Generate children-changed signals */
|
|
n_cols = gail_tree_view_get_n_columns (ATK_TABLE (atk_obj));
|
|
for (child_row = row; child_row < (row + n_inserted); child_row++)
|
|
{
|
|
for (col = 0; col < n_cols; col++)
|
|
{
|
|
/*
|
|
* Pass NULL as the child object, i.e. 4th argument
|
|
*/
|
|
g_signal_emit_by_name (atk_obj, "children_changed::add",
|
|
((row * n_cols) + col), NULL, NULL);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* The row has been inserted inside another row. This can
|
|
* cause a row that previously couldn't be expanded to now
|
|
* be expandable.
|
|
*/
|
|
path_copy = gtk_tree_path_copy (path);
|
|
gtk_tree_path_up (path_copy);
|
|
set_expand_state (tree_view, tree_model, gailview, path_copy, TRUE);
|
|
gtk_tree_path_free (path_copy);
|
|
}
|
|
}
|
|
|
|
static void
|
|
model_row_deleted (GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
gpointer user_data)
|
|
{
|
|
GtkTreeView *tree_view;
|
|
GtkTreePath *path_copy;
|
|
AtkObject *atk_obj;
|
|
GailTreeView *gailview;
|
|
gint row;
|
|
|
|
tree_view = (GtkTreeView *)user_data;
|
|
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
|
|
gailview = GAIL_TREE_VIEW (atk_obj);
|
|
|
|
if (gailview->idle_expand_id)
|
|
{
|
|
g_source_remove (gailview->idle_expand_id);
|
|
gtk_tree_path_free (gailview->idle_expand_path);
|
|
gailview->idle_expand_id = 0;
|
|
}
|
|
/* Check to see if row is visible */
|
|
clean_rows (gailview);
|
|
|
|
/* Set rows at or below the specified row to ATK_STATE_STALE */
|
|
traverse_cells (gailview, path, TRUE, TRUE);
|
|
|
|
/*
|
|
* If deleting a row with a depth > 1, then this may affect the
|
|
* expansion/contraction of its parent(s). Make sure this is
|
|
* handled.
|
|
*/
|
|
if (gtk_tree_path_get_depth (path) > 1)
|
|
{
|
|
path_copy = gtk_tree_path_copy (path);
|
|
gtk_tree_path_up (path_copy);
|
|
set_expand_state (tree_view, tree_model, gailview, path_copy, TRUE);
|
|
gtk_tree_path_free (path_copy);
|
|
}
|
|
row = get_row_from_tree_path (tree_view, path);
|
|
/*
|
|
* If the row which is deleted is not visible because it is a child of
|
|
* a collapsed row then row will be -1
|
|
*/
|
|
if (row > 0)
|
|
g_signal_emit_by_name (atk_obj, "row_deleted", row,
|
|
gailview->n_children_deleted + 1);
|
|
gailview->n_children_deleted = 0;
|
|
}
|
|
|
|
/*
|
|
* This function gets called when a row is deleted or when rows are
|
|
* removed from the view due to a collapse event. Note that the
|
|
* count is the number of visible *children* of the deleted row,
|
|
* so it does not include the row being deleted.
|
|
*
|
|
* As this function is called before the rows are removed we just note the
|
|
* number of rows and then deal with it when we get a notification that
|
|
* rows were deleted or collapsed.
|
|
*/
|
|
static void
|
|
destroy_count_func (GtkTreeView *tree_view,
|
|
GtkTreePath *path,
|
|
gint count,
|
|
gpointer user_data)
|
|
{
|
|
AtkObject *atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
|
|
GailTreeView *gailview = GAIL_TREE_VIEW (atk_obj);
|
|
|
|
gail_return_if_fail (gailview->n_children_deleted == 0);
|
|
gailview->n_children_deleted = count;
|
|
}
|
|
|
|
static void
|
|
model_rows_reordered (GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
GtkTreeIter *iter,
|
|
gint *new_order,
|
|
gpointer user_data)
|
|
{
|
|
GtkTreeView *tree_view = (GtkTreeView *)user_data;
|
|
AtkObject *atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
|
|
GailTreeView *gailview = GAIL_TREE_VIEW (atk_obj);
|
|
|
|
if (gailview->idle_expand_id)
|
|
{
|
|
g_source_remove (gailview->idle_expand_id);
|
|
gtk_tree_path_free (gailview->idle_expand_path);
|
|
gailview->idle_expand_id = 0;
|
|
}
|
|
traverse_cells (gailview, NULL, TRUE, FALSE);
|
|
|
|
g_signal_emit_by_name (atk_obj, "row_reordered");
|
|
}
|
|
|
|
static void
|
|
adjustment_changed (GtkAdjustment *adjustment,
|
|
GtkTreeView *tree_view)
|
|
{
|
|
AtkObject *atk_obj;
|
|
GailTreeView* obj;
|
|
|
|
/*
|
|
* The scrollbars have changed
|
|
*/
|
|
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
|
|
obj = GAIL_TREE_VIEW (atk_obj);
|
|
|
|
traverse_cells (obj, NULL, FALSE, FALSE);
|
|
}
|
|
|
|
static void
|
|
set_cell_visibility (GtkTreeView *tree_view,
|
|
GailCell *cell,
|
|
GtkTreeViewColumn *tv_col,
|
|
GtkTreePath *tree_path,
|
|
gboolean emit_signal)
|
|
{
|
|
GdkRectangle cell_rect;
|
|
|
|
/* Get these three values in tree coords */
|
|
if (GTK_WIDGET_REALIZED (GTK_WIDGET (tree_view)))
|
|
gtk_tree_view_get_cell_area (tree_view, tree_path, tv_col, &cell_rect);
|
|
else
|
|
cell_rect.height = 0;
|
|
|
|
if (cell_rect.height > 0)
|
|
{
|
|
/*
|
|
* The height will be zero for a cell for which an antecedent is not
|
|
* expanded
|
|
*/
|
|
gail_cell_add_state (cell, ATK_STATE_VISIBLE, emit_signal);
|
|
if (is_cell_showing (tree_view, &cell_rect))
|
|
gail_cell_add_state (cell, ATK_STATE_SHOWING, emit_signal);
|
|
else
|
|
gail_cell_remove_state (cell, ATK_STATE_SHOWING, emit_signal);
|
|
}
|
|
else
|
|
{
|
|
gail_cell_remove_state (cell, ATK_STATE_VISIBLE, emit_signal);
|
|
gail_cell_remove_state (cell, ATK_STATE_SHOWING, emit_signal);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
is_cell_showing (GtkTreeView *tree_view,
|
|
GdkRectangle *cell_rect)
|
|
{
|
|
GdkRectangle rect, *visible_rect;
|
|
GdkRectangle rect1, *tree_cell_rect;
|
|
gboolean is_showing;
|
|
/*
|
|
* A cell is considered "SHOWING" if any part of the cell is in the visible
|
|
* area. Other ways we could do this is by a cell's midpoint or if the cell
|
|
* is fully in the visible range. Since we have the cell_rect x,y,width,height
|
|
* of the cell, any of these is easy to compute.
|
|
*
|
|
* It is assumed that cell's rectangle is in widget coordinates so we
|
|
* must transform to tree cordinates.
|
|
*/
|
|
visible_rect = ▭
|
|
tree_cell_rect = &rect1;
|
|
tree_cell_rect->x = cell_rect->x;
|
|
tree_cell_rect->width = cell_rect->width;
|
|
tree_cell_rect->height = cell_rect->height;
|
|
|
|
gtk_tree_view_get_visible_rect (tree_view, visible_rect);
|
|
gtk_tree_view_widget_to_tree_coords (tree_view, cell_rect->x, cell_rect->y,
|
|
NULL, &(rect1.y));
|
|
|
|
if (((tree_cell_rect->x + tree_cell_rect->width) < visible_rect->x) ||
|
|
((tree_cell_rect->y + tree_cell_rect->height) < (visible_rect->y)) ||
|
|
(tree_cell_rect->x > (visible_rect->x + visible_rect->width)) ||
|
|
(tree_cell_rect->y > (visible_rect->y + visible_rect->height)))
|
|
is_showing = FALSE;
|
|
else
|
|
is_showing = TRUE;
|
|
|
|
return is_showing;
|
|
}
|
|
|
|
/* Misc Public */
|
|
|
|
/*
|
|
* This function is called when a cell's flyweight is created in
|
|
* gail_tree_view_table_ref_at with emit_change_signal set to FALSE
|
|
* and in model_row_changed() on receipt of "row-changed" signal when
|
|
* emit_change_signal is set to TRUE
|
|
*/
|
|
static gboolean
|
|
update_cell_value (GailRendererCell *renderer_cell,
|
|
GailTreeView *gailview,
|
|
gboolean emit_change_signal)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkTreeView *tree_view;
|
|
GtkTreeModel *tree_model;
|
|
GtkTreePath *path;
|
|
GtkTreeIter iter;
|
|
GList *renderers, *cur_renderer;
|
|
GParamSpec *spec;
|
|
GailRendererCellClass *gail_renderer_cell_class;
|
|
GtkCellRendererClass *gtk_cell_renderer_class;
|
|
GailCell *cell;
|
|
gchar **prop_list;
|
|
AtkObject *parent;
|
|
gboolean is_expander, is_expanded;
|
|
|
|
gail_renderer_cell_class = GAIL_RENDERER_CELL_GET_CLASS (renderer_cell);
|
|
if (renderer_cell->renderer)
|
|
gtk_cell_renderer_class = GTK_CELL_RENDERER_GET_CLASS (renderer_cell->renderer);
|
|
else
|
|
gtk_cell_renderer_class = NULL;
|
|
|
|
prop_list = gail_renderer_cell_class->property_list;
|
|
|
|
cell = GAIL_CELL (renderer_cell);
|
|
cell_info = find_cell_info (gailview, cell, NULL, TRUE);
|
|
gail_return_val_if_fail (cell_info, FALSE);
|
|
gail_return_val_if_fail (cell_info->cell_col_ref, FALSE);
|
|
gail_return_val_if_fail (cell_info->cell_row_ref, FALSE);
|
|
|
|
if (emit_change_signal && cell_info->in_use)
|
|
{
|
|
tree_view = GTK_TREE_VIEW (GTK_ACCESSIBLE (gailview)->widget);
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
if (path == NULL)
|
|
return FALSE;
|
|
|
|
gtk_tree_model_get_iter (tree_model, &iter, path);
|
|
is_expander = FALSE;
|
|
is_expanded = FALSE;
|
|
if (gtk_tree_model_iter_has_child (tree_model, &iter))
|
|
{
|
|
GtkTreeViewColumn *expander_tv;
|
|
|
|
expander_tv = gtk_tree_view_get_expander_column (tree_view);
|
|
if (expander_tv == cell_info->cell_col_ref)
|
|
{
|
|
is_expander = TRUE;
|
|
is_expanded = gtk_tree_view_row_expanded (tree_view, path);
|
|
}
|
|
}
|
|
gtk_tree_path_free (path);
|
|
gtk_tree_view_column_cell_set_cell_data (cell_info->cell_col_ref,
|
|
tree_model, &iter, is_expander, is_expanded);
|
|
}
|
|
renderers = gtk_tree_view_column_get_cell_renderers (cell_info->cell_col_ref);
|
|
gail_return_val_if_fail (renderers, FALSE);
|
|
|
|
/*
|
|
* If the cell is in a container, it's index is used to find the renderer
|
|
* in the list
|
|
*/
|
|
|
|
/*
|
|
* Otherwise, we assume that the cell is represented by the first renderer
|
|
* in the list
|
|
*/
|
|
|
|
if (cell_info->in_use) {
|
|
parent = atk_object_get_parent (ATK_OBJECT (cell));
|
|
if (!ATK_IS_OBJECT (cell)) g_on_error_query (NULL);
|
|
if (GAIL_IS_CONTAINER_CELL (parent))
|
|
cur_renderer = g_list_nth (renderers, cell->index);
|
|
else
|
|
cur_renderer = renderers;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
|
|
gail_return_val_if_fail (cur_renderer != NULL, FALSE);
|
|
|
|
if (gtk_cell_renderer_class)
|
|
{
|
|
while (*prop_list)
|
|
{
|
|
spec = g_object_class_find_property
|
|
(G_OBJECT_CLASS (gtk_cell_renderer_class), *prop_list);
|
|
|
|
if (spec != NULL)
|
|
{
|
|
GValue value = { 0, };
|
|
|
|
g_value_init (&value, spec->value_type);
|
|
g_object_get_property (cur_renderer->data, *prop_list, &value);
|
|
g_object_set_property (G_OBJECT (renderer_cell->renderer),
|
|
*prop_list, &value);
|
|
g_value_unset(&value);
|
|
}
|
|
else
|
|
g_warning ("Invalid property: %s\n", *prop_list);
|
|
prop_list++;
|
|
}
|
|
}
|
|
g_list_free (renderers);
|
|
return gail_renderer_cell_update_cache (renderer_cell, emit_change_signal);
|
|
}
|
|
|
|
static void
|
|
set_iter_nth_row (GtkTreeView *tree_view,
|
|
GtkTreeIter *iter,
|
|
gint row)
|
|
{
|
|
GtkTreeModel *tree_model;
|
|
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
gtk_tree_model_get_iter_root (tree_model, iter);
|
|
iter = return_iter_nth_row (tree_view, tree_model, iter, 0 , row);
|
|
}
|
|
|
|
static gint
|
|
get_row_from_tree_path (GtkTreeView *tree_view,
|
|
GtkTreePath *path)
|
|
{
|
|
GtkTreeModel *tree_model;
|
|
GtkTreePath *root_tree;
|
|
gint row;
|
|
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
|
|
if (gtk_tree_model_get_flags (tree_model) & GTK_TREE_MODEL_LIST_ONLY)
|
|
row = gtk_tree_path_get_indices (path)[0];
|
|
else
|
|
{
|
|
root_tree = gtk_tree_path_new_root ();
|
|
row = 0;
|
|
iterate_thru_children (tree_view, tree_model, root_tree, path, &row, 0);
|
|
gtk_tree_path_free (root_tree);
|
|
}
|
|
|
|
return row;
|
|
}
|
|
|
|
/* Misc Private */
|
|
|
|
/*
|
|
* Get the specified GtkTreeViewColumn in the GtkTreeView.
|
|
* Only visible columns are considered.
|
|
*/
|
|
static GtkTreeViewColumn*
|
|
get_column (GtkTreeView *tree_view,
|
|
gint in_col)
|
|
{
|
|
GtkTreeViewColumn *tv_col;
|
|
gint n_cols = -1;
|
|
gint i = 0;
|
|
|
|
if (in_col < 0)
|
|
{
|
|
g_warning ("Request for invalid column %d\n", in_col);
|
|
return NULL;
|
|
}
|
|
|
|
tv_col = gtk_tree_view_get_column (tree_view, i);
|
|
|
|
while (tv_col != NULL)
|
|
{
|
|
if (gtk_tree_view_column_get_visible (tv_col))
|
|
n_cols++;
|
|
if (in_col == n_cols)
|
|
break;
|
|
tv_col = gtk_tree_view_get_column (tree_view, ++i);
|
|
}
|
|
|
|
if (in_col != n_cols)
|
|
{
|
|
g_warning ("Request for invalid column %d\n", in_col);
|
|
return NULL;
|
|
}
|
|
return tv_col;
|
|
}
|
|
|
|
static gint
|
|
get_actual_column_number (GtkTreeView *tree_view,
|
|
gint visible_column)
|
|
{
|
|
GtkTreeViewColumn *tv_col;
|
|
gint actual_column = 0;
|
|
gint visible_columns = -1;
|
|
/*
|
|
* This function calculates the column number which corresponds to the
|
|
* specified visible column number
|
|
*/
|
|
tv_col = gtk_tree_view_get_column (tree_view, actual_column);
|
|
|
|
while (tv_col != NULL)
|
|
{
|
|
if (gtk_tree_view_column_get_visible (tv_col))
|
|
visible_columns++;
|
|
if (visible_columns == visible_column)
|
|
return actual_column;
|
|
tv_col = gtk_tree_view_get_column (tree_view, ++actual_column);
|
|
}
|
|
g_warning ("get_actual_column_number failed for %d\n", visible_column);
|
|
return -1;
|
|
}
|
|
|
|
static gint
|
|
get_visible_column_number (GtkTreeView *tree_view,
|
|
gint actual_column)
|
|
{
|
|
GtkTreeViewColumn *tv_col;
|
|
gint column = 0;
|
|
gint visible_columns = -1;
|
|
/*
|
|
* This function calculates the visible column number which corresponds to the
|
|
* specified actual column number
|
|
*/
|
|
tv_col = gtk_tree_view_get_column (tree_view, column);
|
|
|
|
while (tv_col != NULL)
|
|
{
|
|
if (gtk_tree_view_column_get_visible (tv_col))
|
|
{
|
|
visible_columns++;
|
|
if (actual_column == column)
|
|
return visible_columns;
|
|
}
|
|
else
|
|
if (actual_column == column)
|
|
return -1;
|
|
tv_col = gtk_tree_view_get_column (tree_view, ++column);
|
|
}
|
|
g_warning ("get_visible_column_number failed for %d\n", actual_column);
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Helper recursive function that returns GtkTreeIter pointer to nth row.
|
|
**/
|
|
static GtkTreeIter*
|
|
return_iter_nth_row(GtkTreeView *tree_view,
|
|
GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter,
|
|
gint increment,
|
|
gint row)
|
|
{
|
|
GtkTreePath *current_path = gtk_tree_model_get_path (tree_model, iter);
|
|
GtkTreeIter new_iter;
|
|
gboolean row_expanded;
|
|
|
|
if (increment == row) {
|
|
gtk_tree_path_free (current_path);
|
|
return iter;
|
|
}
|
|
|
|
row_expanded = gtk_tree_view_row_expanded (tree_view, current_path);
|
|
gtk_tree_path_free (current_path);
|
|
|
|
new_iter = *iter;
|
|
if ((row_expanded && gtk_tree_model_iter_children (tree_model, iter, &new_iter)) ||
|
|
(gtk_tree_model_iter_next (tree_model, iter)) ||
|
|
(gtk_tree_model_iter_parent (tree_model, iter, &new_iter) &&
|
|
(gtk_tree_model_iter_next (tree_model, iter))))
|
|
return return_iter_nth_row (tree_view, tree_model, iter,
|
|
++increment, row);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Recursively called until the row specified by orig is found.
|
|
*
|
|
* *count will be set to the visible row number of the child
|
|
* relative to the row that was initially passed in as tree_path.
|
|
*
|
|
* *count will be -1 if orig is not found as a child (a row that is
|
|
* not visible will not be found, e.g. if the row is inside a
|
|
* collapsed row). If NULL is passed in as orig, *count will
|
|
* be a count of the visible children.
|
|
*
|
|
* NOTE: the value for depth must be 0 when this recursive function
|
|
* is initially called, or it may not function as expected.
|
|
**/
|
|
static void
|
|
iterate_thru_children(GtkTreeView *tree_view,
|
|
GtkTreeModel *tree_model,
|
|
GtkTreePath *tree_path,
|
|
GtkTreePath *orig,
|
|
gint *count,
|
|
gint depth)
|
|
{
|
|
GtkTreeIter iter;
|
|
|
|
if (!gtk_tree_model_get_iter (tree_model, &iter, tree_path))
|
|
return;
|
|
|
|
if (tree_path && orig && !gtk_tree_path_compare (tree_path, orig))
|
|
/* Found it! */
|
|
return;
|
|
|
|
if (tree_path && orig && gtk_tree_path_compare (tree_path, orig) > 0)
|
|
{
|
|
/* Past it, so return -1 */
|
|
*count = -1;
|
|
return;
|
|
}
|
|
else if (gtk_tree_view_row_expanded (tree_view, tree_path) &&
|
|
gtk_tree_model_iter_has_child (tree_model, &iter))
|
|
{
|
|
(*count)++;
|
|
gtk_tree_path_append_index (tree_path, 0);
|
|
iterate_thru_children (tree_view, tree_model, tree_path,
|
|
orig, count, (depth + 1));
|
|
return;
|
|
}
|
|
else if (gtk_tree_model_iter_next (tree_model, &iter))
|
|
{
|
|
(*count)++;
|
|
tree_path = gtk_tree_model_get_path (tree_model, &iter);
|
|
if (tree_path)
|
|
{
|
|
iterate_thru_children (tree_view, tree_model, tree_path,
|
|
orig, count, depth);
|
|
gtk_tree_path_free (tree_path);
|
|
}
|
|
return;
|
|
}
|
|
else if (gtk_tree_path_up (tree_path))
|
|
{
|
|
GtkTreeIter temp_iter;
|
|
gboolean exit_loop = FALSE;
|
|
gint new_depth = depth - 1;
|
|
|
|
(*count)++;
|
|
|
|
/*
|
|
* Make sure that we back up until we find a row
|
|
* where gtk_tree_path_next does not return NULL.
|
|
*/
|
|
while (!exit_loop)
|
|
{
|
|
if (gtk_tree_path_get_depth (tree_path) == 0)
|
|
/* depth is now zero so */
|
|
return;
|
|
gtk_tree_path_next (tree_path);
|
|
|
|
/* Verify that the next row is a valid row! */
|
|
exit_loop = gtk_tree_model_get_iter (tree_model, &temp_iter, tree_path);
|
|
|
|
if (!exit_loop)
|
|
{
|
|
/* Keep going up until we find a row that has a valid next */
|
|
if (gtk_tree_path_get_depth(tree_path) > 1)
|
|
{
|
|
new_depth--;
|
|
gtk_tree_path_up (tree_path);
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* If depth is 1 and gtk_tree_model_get_iter returns FALSE,
|
|
* then we are at the last row, so just return.
|
|
*/
|
|
if (orig != NULL)
|
|
*count = -1;
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This guarantees that we will stop when we hit the end of the
|
|
* children.
|
|
*/
|
|
if (new_depth < 0)
|
|
return;
|
|
|
|
iterate_thru_children (tree_view, tree_model, tree_path,
|
|
orig, count, new_depth);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If it gets here, then the path wasn't found. Situations
|
|
* that would cause this would be if the path passed in is
|
|
* invalid or contained within the last row, but not visible
|
|
* because the last row is not expanded. If NULL was passed
|
|
* in then a row count is desired, so only set count to -1
|
|
* if orig is not NULL.
|
|
*/
|
|
if (orig != NULL)
|
|
*count = -1;
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
clean_cell_info (GailTreeView *gailview,
|
|
GList *list)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GObject *obj;
|
|
|
|
g_assert (GAIL_IS_TREE_VIEW (gailview));
|
|
|
|
cell_info = list->data;
|
|
|
|
if (cell_info->in_use) {
|
|
obj = G_OBJECT (cell_info->cell);
|
|
|
|
gail_cell_add_state (cell_info->cell, ATK_STATE_DEFUNCT, TRUE);
|
|
g_object_weak_unref (obj, (GWeakNotify) cell_destroyed, cell_info);
|
|
cell_info->in_use = FALSE;
|
|
if (!gailview->garbage_collection_pending) {
|
|
gailview->garbage_collection_pending = TRUE;
|
|
g_assert (gailview->idle_garbage_collect_id == 0);
|
|
gailview->idle_garbage_collect_id =
|
|
gdk_threads_add_idle (idle_garbage_collect_cell_data, gailview);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
clean_rows (GailTreeView *gailview)
|
|
{
|
|
GArray *array;
|
|
|
|
/* Clean GailTreeViewRowInfo data */
|
|
|
|
array = gailview->row_data;
|
|
if (array != NULL)
|
|
{
|
|
GailTreeViewRowInfo *row_info;
|
|
GtkTreePath *row_path;
|
|
gint i;
|
|
|
|
/*
|
|
* Loop backwards so that calls to free_row_info
|
|
* do not affect the index numbers
|
|
*/
|
|
for (i = (array->len - 1); i >= 0; i --)
|
|
{
|
|
row_info = g_array_index (array, GailTreeViewRowInfo*, i);
|
|
row_path = gtk_tree_row_reference_get_path (row_info->row_ref);
|
|
|
|
/* Remove any rows that have become invalid */
|
|
if (row_path == NULL)
|
|
free_row_info (array, i, TRUE);
|
|
else
|
|
gtk_tree_path_free (row_path);
|
|
}
|
|
}
|
|
|
|
/* Clean GailTreeViewCellInfo data */
|
|
|
|
if (gailview->cell_data != NULL)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkTreePath *row_path;
|
|
GList *cur_list;
|
|
GList *temp_list;
|
|
|
|
temp_list = gailview->cell_data;
|
|
|
|
/* Must loop through them all */
|
|
while (temp_list != NULL)
|
|
{
|
|
cur_list = temp_list;
|
|
cell_info = temp_list->data;
|
|
temp_list = temp_list->next;
|
|
row_path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
|
|
/*
|
|
* If the cell has become invalid because the row has been removed,
|
|
* then set the cell's state to ATK_STATE_DEFUNCT and remove the cell
|
|
* from gailview->cell_data. If row_path is NULL then the row has
|
|
* been removed.
|
|
*/
|
|
if (row_path == NULL)
|
|
{
|
|
clean_cell_info (gailview, cur_list);
|
|
}
|
|
else
|
|
{
|
|
gtk_tree_path_free (row_path);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
clean_cols (GailTreeView *gailview,
|
|
GtkTreeViewColumn *tv_col)
|
|
{
|
|
/* Clean GailTreeViewCellInfo data */
|
|
|
|
if (gailview->cell_data != NULL)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GList *cur_list, *temp_list;
|
|
|
|
temp_list = gailview->cell_data;
|
|
|
|
while (temp_list != NULL)
|
|
{
|
|
cur_list = temp_list;
|
|
cell_info = temp_list->data;
|
|
temp_list = temp_list->next;
|
|
|
|
/*
|
|
* If the cell has become invalid because the column tv_col
|
|
* has been removed, then set the cell's state to ATK_STATE_DEFUNCT
|
|
* and remove the cell from gailview->cell_data.
|
|
*/
|
|
if (cell_info->cell_col_ref == tv_col)
|
|
{
|
|
clean_cell_info (gailview, cur_list);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
idle_garbage_collect_cell_data (gpointer data)
|
|
{
|
|
GailTreeView *tree_view;
|
|
|
|
g_assert (GAIL_IS_TREE_VIEW (data));
|
|
tree_view = (GailTreeView *)data;
|
|
|
|
/* this is the idle handler (only one instance allowed), so
|
|
* we can safely delete it.
|
|
*/
|
|
tree_view->garbage_collection_pending = FALSE;
|
|
tree_view->idle_garbage_collect_id = 0;
|
|
|
|
tree_view->garbage_collection_pending = garbage_collect_cell_data (data);
|
|
|
|
/* N.B.: if for some reason another handler has re-enterantly been queued
|
|
* while this handler was being serviced, it has its own gsource, therefore this handler
|
|
* should always return FALSE.
|
|
*/
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
garbage_collect_cell_data (gpointer data)
|
|
{
|
|
GailTreeView *tree_view;
|
|
GList *temp_list;
|
|
GailTreeViewCellInfo *cell_info;
|
|
|
|
g_assert (GAIL_IS_TREE_VIEW (data));
|
|
tree_view = (GailTreeView *)data;
|
|
temp_list = g_list_copy (tree_view->cell_data);
|
|
|
|
tree_view->garbage_collection_pending = FALSE;
|
|
if (tree_view->idle_garbage_collect_id != 0)
|
|
{
|
|
g_source_remove (tree_view->idle_garbage_collect_id);
|
|
tree_view->idle_garbage_collect_id = 0;
|
|
}
|
|
|
|
/* Must loop through them all */
|
|
while (temp_list != NULL)
|
|
{
|
|
cell_info = temp_list->data;
|
|
if (!cell_info->in_use)
|
|
{
|
|
/* g_object_unref (cell_info->cell); */
|
|
tree_view->cell_data = g_list_remove (tree_view->cell_data,
|
|
cell_info);
|
|
if (cell_info->cell_row_ref)
|
|
gtk_tree_row_reference_free (cell_info->cell_row_ref);
|
|
g_free (cell_info);
|
|
}
|
|
temp_list = temp_list->next;
|
|
}
|
|
g_list_free (temp_list);
|
|
|
|
return tree_view->garbage_collection_pending;
|
|
}
|
|
|
|
/**
|
|
* If tree_path is passed in as NULL, then all cells are acted on.
|
|
* Otherwise, just act on those cells that are on a row greater than
|
|
* the specified tree_path. If inc_row is passed in as TRUE, then rows
|
|
* greater and equal to the specified tree_path are acted on.
|
|
*
|
|
* if set_stale is set the ATK_STATE_STALE is set on cells which are to be
|
|
* acted on.
|
|
*
|
|
* The function set_cell_visibility() is called on all cells to be
|
|
* acted on to update the visibility of the cell.
|
|
**/
|
|
static void
|
|
traverse_cells (GailTreeView *tree_view,
|
|
GtkTreePath *tree_path,
|
|
gboolean set_stale,
|
|
gboolean inc_row)
|
|
{
|
|
if (tree_view->cell_data != NULL)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkTreeView *gtk_tree_view;
|
|
GList *temp_list;
|
|
GtkWidget *widget;
|
|
|
|
g_assert (GTK_IS_ACCESSIBLE (tree_view));
|
|
|
|
widget = GTK_ACCESSIBLE (tree_view)->widget;
|
|
if (!widget)
|
|
/* Widget is being deleted */
|
|
return;
|
|
|
|
gtk_tree_view = GTK_TREE_VIEW (widget);
|
|
temp_list = tree_view->cell_data;
|
|
|
|
/* Must loop through them all */
|
|
while (temp_list != NULL)
|
|
{
|
|
GtkTreePath *row_path;
|
|
gboolean act_on_cell;
|
|
|
|
cell_info = temp_list->data;
|
|
temp_list = temp_list->next;
|
|
|
|
if (cell_info->in_use)
|
|
{
|
|
row_path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
g_assert (row_path != NULL);
|
|
if (tree_path == NULL)
|
|
act_on_cell = TRUE;
|
|
else
|
|
{
|
|
gint comparison;
|
|
|
|
comparison = gtk_tree_path_compare (row_path, tree_path);
|
|
if ((comparison > 0) ||
|
|
(comparison == 0 && inc_row))
|
|
act_on_cell = TRUE;
|
|
else
|
|
act_on_cell = FALSE;
|
|
}
|
|
if (!cell_info->in_use) g_warning ("warning: cell info destroyed during traversal");
|
|
if (act_on_cell && cell_info->in_use)
|
|
{
|
|
if (set_stale)
|
|
gail_cell_add_state (cell_info->cell, ATK_STATE_STALE, TRUE);
|
|
set_cell_visibility (gtk_tree_view,
|
|
cell_info->cell,
|
|
cell_info->cell_col_ref,
|
|
row_path, TRUE);
|
|
}
|
|
gtk_tree_path_free (row_path);
|
|
}
|
|
}
|
|
}
|
|
g_signal_emit_by_name (tree_view, "visible-data-changed");
|
|
}
|
|
|
|
static void
|
|
free_row_info (GArray *array,
|
|
gint array_idx,
|
|
gboolean shift)
|
|
{
|
|
GailTreeViewRowInfo* obj;
|
|
|
|
obj = g_array_index (array, GailTreeViewRowInfo*, array_idx);
|
|
|
|
g_free (obj->description);
|
|
if (obj->row_ref != NULL)
|
|
gtk_tree_row_reference_free (obj->row_ref);
|
|
if (obj->header)
|
|
g_object_unref (obj->header);
|
|
g_free (obj);
|
|
|
|
if (shift)
|
|
g_array_remove_index (array, array_idx);
|
|
}
|
|
|
|
/*
|
|
* If the tree_path passed in has children, then
|
|
* ATK_STATE_EXPANDABLE is set. If the row is expanded
|
|
* ATK_STATE_EXPANDED is turned on. If the row is
|
|
* collapsed, then ATK_STATE_EXPANDED is removed.
|
|
*
|
|
* If the tree_path passed in has no children, then
|
|
* ATK_STATE_EXPANDABLE and ATK_STATE_EXPANDED are removed.
|
|
*
|
|
* If set_on_ancestor is TRUE, then this function will also
|
|
* update all cells that are ancestors of the tree_path.
|
|
*/
|
|
static void
|
|
set_expand_state (GtkTreeView *tree_view,
|
|
GtkTreeModel *tree_model,
|
|
GailTreeView *gailview,
|
|
GtkTreePath *tree_path,
|
|
gboolean set_on_ancestor)
|
|
{
|
|
if (gailview->cell_data != NULL)
|
|
{
|
|
GtkTreeViewColumn *expander_tv;
|
|
GailTreeViewCellInfo *cell_info;
|
|
GList *temp_list;
|
|
GtkTreePath *cell_path;
|
|
GtkTreeIter iter;
|
|
gboolean found;
|
|
|
|
temp_list = gailview->cell_data;
|
|
|
|
while (temp_list != NULL)
|
|
{
|
|
cell_info = temp_list->data;
|
|
temp_list = temp_list->next;
|
|
if (cell_info->in_use)
|
|
{
|
|
cell_path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
found = FALSE;
|
|
|
|
if (cell_path != NULL)
|
|
{
|
|
GailCell *cell = GAIL_CELL (cell_info->cell);
|
|
|
|
expander_tv = gtk_tree_view_get_expander_column (tree_view);
|
|
|
|
/*
|
|
* Only set state for the cell that is in the column with the
|
|
* expander toggle
|
|
*/
|
|
if (expander_tv == cell_info->cell_col_ref)
|
|
{
|
|
if (tree_path && gtk_tree_path_compare (cell_path, tree_path) == 0)
|
|
found = TRUE;
|
|
else if (set_on_ancestor &&
|
|
gtk_tree_path_get_depth (cell_path) <
|
|
gtk_tree_path_get_depth (tree_path) &&
|
|
gtk_tree_path_is_ancestor (cell_path, tree_path) == 1)
|
|
/* Only set if set_on_ancestor was passed in as TRUE */
|
|
found = TRUE;
|
|
}
|
|
|
|
/*
|
|
* Set ATK_STATE_EXPANDABLE and ATK_STATE_EXPANDED
|
|
* for ancestors and found cells.
|
|
*/
|
|
if (found)
|
|
{
|
|
/*
|
|
* Must check against cell_path since cell_path
|
|
* can be equal to or an ancestor of tree_path.
|
|
*/
|
|
gtk_tree_model_get_iter (tree_model, &iter, cell_path);
|
|
|
|
/* Set or unset ATK_STATE_EXPANDABLE as appropriate */
|
|
if (gtk_tree_model_iter_has_child (tree_model, &iter))
|
|
{
|
|
set_cell_expandable (cell);
|
|
|
|
if (gtk_tree_view_row_expanded (tree_view, cell_path))
|
|
gail_cell_add_state (cell, ATK_STATE_EXPANDED, TRUE);
|
|
else
|
|
gail_cell_remove_state (cell,
|
|
ATK_STATE_EXPANDED, TRUE);
|
|
}
|
|
else
|
|
{
|
|
gail_cell_remove_state (cell,
|
|
ATK_STATE_EXPANDED, TRUE);
|
|
if (gail_cell_remove_state (cell,
|
|
ATK_STATE_EXPANDABLE, TRUE))
|
|
/* The state may have been propagated to the container cell */
|
|
if (!GAIL_IS_CONTAINER_CELL (cell))
|
|
gail_cell_remove_action_by_name (cell,
|
|
"expand or contract");
|
|
}
|
|
|
|
/*
|
|
* We assume that each cell in the cache once and
|
|
* a container cell is before its child cells so we are
|
|
* finished if set_on_ancestor is not set to TRUE.
|
|
*/
|
|
if (!set_on_ancestor)
|
|
break;
|
|
}
|
|
}
|
|
gtk_tree_path_free (cell_path);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
add_cell_actions (GailCell *cell,
|
|
gboolean editable)
|
|
{
|
|
if (GAIL_IS_BOOLEAN_CELL (cell))
|
|
gail_cell_add_action (cell,
|
|
"toggle",
|
|
"toggles the cell", /* action description */
|
|
NULL,
|
|
toggle_cell_toggled);
|
|
if (editable)
|
|
gail_cell_add_action (cell,
|
|
"edit",
|
|
"creates a widget in which the contents of the cell can be edited",
|
|
NULL,
|
|
edit_cell);
|
|
gail_cell_add_action (cell,
|
|
"activate",
|
|
"activate the cell",
|
|
NULL,
|
|
activate_cell);
|
|
}
|
|
|
|
static void
|
|
toggle_cell_expanded (GailCell *cell)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkTreeView *tree_view;
|
|
GtkTreePath *path;
|
|
AtkObject *parent;
|
|
AtkStateSet *stateset;
|
|
|
|
parent = atk_object_get_parent (ATK_OBJECT (cell));
|
|
if (GAIL_IS_CONTAINER_CELL (parent))
|
|
parent = atk_object_get_parent (parent);
|
|
|
|
cell_info = find_cell_info (GAIL_TREE_VIEW (parent), cell, NULL, TRUE);
|
|
gail_return_if_fail (cell_info);
|
|
gail_return_if_fail (cell_info->cell_col_ref);
|
|
gail_return_if_fail (cell_info->cell_row_ref);
|
|
|
|
tree_view = GTK_TREE_VIEW (GTK_ACCESSIBLE (parent)->widget);
|
|
path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
gail_return_if_fail (path);
|
|
|
|
stateset = atk_object_ref_state_set (ATK_OBJECT (cell));
|
|
if (atk_state_set_contains_state (stateset, ATK_STATE_EXPANDED))
|
|
gtk_tree_view_collapse_row (tree_view, path);
|
|
else
|
|
gtk_tree_view_expand_row (tree_view, path, TRUE);
|
|
g_object_unref (stateset);
|
|
gtk_tree_path_free (path);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
toggle_cell_toggled (GailCell *cell)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkTreeView *tree_view;
|
|
GtkTreePath *path;
|
|
gchar *pathstring;
|
|
GList *renderers, *cur_renderer;
|
|
AtkObject *parent;
|
|
gboolean is_container_cell = FALSE;
|
|
|
|
parent = atk_object_get_parent (ATK_OBJECT (cell));
|
|
if (GAIL_IS_CONTAINER_CELL (parent))
|
|
{
|
|
is_container_cell = TRUE;
|
|
parent = atk_object_get_parent (parent);
|
|
}
|
|
|
|
cell_info = find_cell_info (GAIL_TREE_VIEW (parent), cell, NULL, TRUE);
|
|
gail_return_if_fail (cell_info);
|
|
gail_return_if_fail (cell_info->cell_col_ref);
|
|
gail_return_if_fail (cell_info->cell_row_ref);
|
|
|
|
tree_view = GTK_TREE_VIEW (GTK_ACCESSIBLE (parent)->widget);
|
|
path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
gail_return_if_fail (path);
|
|
pathstring = gtk_tree_path_to_string (path);
|
|
|
|
renderers = gtk_tree_view_column_get_cell_renderers (cell_info->cell_col_ref);
|
|
gail_return_if_fail (renderers);
|
|
|
|
/*
|
|
* if the cell is in a container, it's index is used to find the
|
|
* renderer in the list
|
|
*/
|
|
|
|
if (is_container_cell)
|
|
cur_renderer = g_list_nth (renderers, cell->index);
|
|
else
|
|
/*
|
|
* Otherwise, we assume that the cell is represented by the first
|
|
* renderer in the list
|
|
*/
|
|
cur_renderer = renderers;
|
|
|
|
gail_return_if_fail (cur_renderer);
|
|
|
|
g_signal_emit_by_name (cur_renderer->data, "toggled", pathstring);
|
|
g_list_free (renderers);
|
|
g_free (pathstring);
|
|
gtk_tree_path_free (path);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
edit_cell (GailCell *cell)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkTreeView *tree_view;
|
|
GtkTreePath *path;
|
|
AtkObject *parent;
|
|
gboolean is_container_cell = FALSE;
|
|
|
|
editing = TRUE;
|
|
parent = atk_object_get_parent (ATK_OBJECT (cell));
|
|
if (GAIL_IS_CONTAINER_CELL (parent))
|
|
{
|
|
is_container_cell = TRUE;
|
|
parent = atk_object_get_parent (parent);
|
|
}
|
|
|
|
cell_info = find_cell_info (GAIL_TREE_VIEW (parent), cell, NULL, TRUE);
|
|
gail_return_if_fail (cell_info);
|
|
gail_return_if_fail (cell_info->cell_col_ref);
|
|
gail_return_if_fail (cell_info->cell_row_ref);
|
|
|
|
tree_view = GTK_TREE_VIEW (GTK_ACCESSIBLE (parent)->widget);
|
|
path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
gail_return_if_fail (path);
|
|
gtk_tree_view_set_cursor (tree_view, path, cell_info->cell_col_ref, TRUE);
|
|
gtk_tree_path_free (path);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
activate_cell (GailCell *cell)
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
GtkTreeView *tree_view;
|
|
GtkTreePath *path;
|
|
AtkObject *parent;
|
|
gboolean is_container_cell = FALSE;
|
|
|
|
editing = TRUE;
|
|
parent = atk_object_get_parent (ATK_OBJECT (cell));
|
|
if (GAIL_IS_CONTAINER_CELL (parent))
|
|
{
|
|
is_container_cell = TRUE;
|
|
parent = atk_object_get_parent (parent);
|
|
}
|
|
|
|
cell_info = find_cell_info (GAIL_TREE_VIEW (parent), cell, NULL, TRUE);
|
|
gail_return_if_fail (cell_info);
|
|
gail_return_if_fail (cell_info->cell_col_ref);
|
|
gail_return_if_fail (cell_info->cell_row_ref);
|
|
|
|
tree_view = GTK_TREE_VIEW (GTK_ACCESSIBLE (parent)->widget);
|
|
path = gtk_tree_row_reference_get_path (cell_info->cell_row_ref);
|
|
gail_return_if_fail (path);
|
|
gtk_tree_view_row_activated (tree_view, path, cell_info->cell_col_ref);
|
|
gtk_tree_path_free (path);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
cell_destroyed (gpointer data)
|
|
{
|
|
GailTreeViewCellInfo *cell_info = data;
|
|
|
|
gail_return_if_fail (cell_info);
|
|
if (cell_info->in_use) {
|
|
cell_info->in_use = FALSE;
|
|
|
|
g_assert (GAIL_IS_TREE_VIEW (cell_info->view));
|
|
if (!cell_info->view->garbage_collection_pending) {
|
|
cell_info->view->garbage_collection_pending = TRUE;
|
|
cell_info->view->idle_garbage_collect_id =
|
|
gdk_threads_add_idle (idle_garbage_collect_cell_data, cell_info->view);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
static void
|
|
cell_info_remove (GailTreeView *tree_view,
|
|
GailCell *cell)
|
|
{
|
|
GailTreeViewCellInfo *info;
|
|
GList *temp_list;
|
|
|
|
info = find_cell_info (tree_view, cell, &temp_list, FALSE);
|
|
if (info)
|
|
{
|
|
info->in_use = FALSE;
|
|
return;
|
|
}
|
|
g_warning ("No cell removed in cell_info_remove\n");
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
cell_info_get_index (GtkTreeView *tree_view,
|
|
GailTreeViewCellInfo *info,
|
|
gint *index)
|
|
{
|
|
GtkTreePath *path;
|
|
gint column_number;
|
|
|
|
path = gtk_tree_row_reference_get_path (info->cell_row_ref);
|
|
gail_return_if_fail (path);
|
|
|
|
column_number = get_column_number (tree_view, info->cell_col_ref, FALSE);
|
|
*index = get_index (tree_view, path, column_number);
|
|
gtk_tree_path_free (path);
|
|
}
|
|
|
|
static void
|
|
cell_info_new (GailTreeView *gailview,
|
|
GtkTreeModel *tree_model,
|
|
GtkTreePath *path,
|
|
GtkTreeViewColumn *tv_col,
|
|
GailCell *cell )
|
|
{
|
|
GailTreeViewCellInfo *cell_info;
|
|
|
|
g_assert (GAIL_IS_TREE_VIEW (gailview));
|
|
|
|
cell_info = g_new (GailTreeViewCellInfo, 1);
|
|
cell_info->cell_row_ref = gtk_tree_row_reference_new (tree_model, path);
|
|
|
|
cell_info->cell_col_ref = tv_col;
|
|
cell_info->cell = cell;
|
|
cell_info->in_use = TRUE; /* if we've created it, assume it's in use */
|
|
cell_info->view = gailview;
|
|
gailview->cell_data = g_list_append (gailview->cell_data, cell_info);
|
|
|
|
/* Setup weak reference notification */
|
|
|
|
g_object_weak_ref (G_OBJECT (cell),
|
|
(GWeakNotify) cell_destroyed,
|
|
cell_info);
|
|
}
|
|
|
|
static GailCell*
|
|
find_cell (GailTreeView *gailview,
|
|
gint index)
|
|
{
|
|
GailTreeViewCellInfo *info;
|
|
GtkTreeView *tree_view;
|
|
GList *cell_list;
|
|
GList *l;
|
|
gint real_index;
|
|
gboolean needs_cleaning = FALSE;
|
|
GailCell *retval = NULL;
|
|
|
|
tree_view = GTK_TREE_VIEW (GTK_ACCESSIBLE (gailview)->widget);
|
|
cell_list = gailview->cell_data;
|
|
|
|
for (l = cell_list; l; l = l->next)
|
|
{
|
|
info = (GailTreeViewCellInfo *) (l->data);
|
|
if (info->in_use)
|
|
{
|
|
cell_info_get_index (tree_view, info, &real_index);
|
|
if (index == real_index)
|
|
{
|
|
retval = info->cell;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
needs_cleaning = TRUE;
|
|
}
|
|
}
|
|
if (needs_cleaning)
|
|
garbage_collect_cell_data (gailview);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
refresh_cell_index (GailCell *cell)
|
|
{
|
|
GailTreeViewCellInfo *info;
|
|
AtkObject *parent;
|
|
GtkTreeView *tree_view;
|
|
gint index;
|
|
|
|
parent = atk_object_get_parent (ATK_OBJECT (cell));
|
|
gail_return_if_fail (GAIL_IS_TREE_VIEW (parent));
|
|
|
|
tree_view = GTK_TREE_VIEW (GTK_ACCESSIBLE (parent)->widget);
|
|
|
|
/* Find this cell in the GailTreeView's cache */
|
|
|
|
info = find_cell_info (GAIL_TREE_VIEW (parent), cell, NULL, TRUE);
|
|
gail_return_if_fail (info);
|
|
|
|
cell_info_get_index (tree_view, info, &index);
|
|
cell->index = index;
|
|
}
|
|
|
|
static void
|
|
get_selected_rows (GtkTreeModel *model,
|
|
GtkTreePath *path,
|
|
GtkTreeIter *iter,
|
|
gpointer data)
|
|
{
|
|
GPtrArray *array = (GPtrArray *)data;
|
|
|
|
g_ptr_array_add (array, gtk_tree_path_copy (path));
|
|
}
|
|
|
|
static void
|
|
connect_model_signals (GtkTreeView *view,
|
|
GailTreeView *gailview)
|
|
{
|
|
GObject *obj;
|
|
|
|
obj = G_OBJECT (gailview->tree_model);
|
|
g_signal_connect_data (obj, "row-changed",
|
|
(GCallback) model_row_changed, view, NULL, 0);
|
|
g_signal_connect_data (obj, "row-inserted",
|
|
(GCallback) model_row_inserted, view, NULL,
|
|
G_CONNECT_AFTER);
|
|
g_signal_connect_data (obj, "row-deleted",
|
|
(GCallback) model_row_deleted, view, NULL,
|
|
G_CONNECT_AFTER);
|
|
g_signal_connect_data (obj, "rows-reordered",
|
|
(GCallback) model_rows_reordered, view, NULL,
|
|
G_CONNECT_AFTER);
|
|
}
|
|
|
|
static void
|
|
disconnect_model_signals (GailTreeView *view)
|
|
{
|
|
GObject *obj;
|
|
GtkWidget *widget;
|
|
|
|
obj = G_OBJECT (view->tree_model);
|
|
widget = GTK_ACCESSIBLE (view)->widget;
|
|
g_signal_handlers_disconnect_by_func (obj, (gpointer) model_row_changed, widget);
|
|
g_signal_handlers_disconnect_by_func (obj, (gpointer) model_row_inserted, widget);
|
|
g_signal_handlers_disconnect_by_func (obj, (gpointer) model_row_deleted, widget);
|
|
g_signal_handlers_disconnect_by_func (obj, (gpointer) model_rows_reordered, widget);
|
|
}
|
|
|
|
static void
|
|
clear_cached_data (GailTreeView *view)
|
|
{
|
|
GList *temp_list;
|
|
|
|
if (view->row_data)
|
|
{
|
|
GArray *array = view->row_data;
|
|
gint i;
|
|
|
|
/*
|
|
* Since the third argument to free_row_info is FALSE, we don't remove
|
|
* the element. Therefore it is safe to loop forward.
|
|
*/
|
|
for (i = 0; i < array->len; i++)
|
|
free_row_info (array, i, FALSE);
|
|
|
|
g_array_free (array, TRUE);
|
|
|
|
view->row_data = NULL;
|
|
}
|
|
|
|
if (view->cell_data)
|
|
{
|
|
/* Must loop through them all */
|
|
for (temp_list = view->cell_data; temp_list; temp_list = temp_list->next)
|
|
{
|
|
clean_cell_info (view, temp_list);
|
|
}
|
|
}
|
|
garbage_collect_cell_data (view);
|
|
if (view->cell_data)
|
|
g_list_free (view->cell_data);
|
|
|
|
view->cell_data = NULL;
|
|
}
|
|
|
|
/*
|
|
* Returns the column number of the specified GtkTreeViewColumn
|
|
*
|
|
* If visible is set, the value returned will be the visible column number,
|
|
* i.e. suitable for use in AtkTable function. If visible is not set, the
|
|
* value returned is the actual column number, which is suitable for use in
|
|
* getting an index value.
|
|
*/
|
|
static gint
|
|
get_column_number (GtkTreeView *tree_view,
|
|
GtkTreeViewColumn *column,
|
|
gboolean visible)
|
|
{
|
|
GList *temp_list, *column_list;
|
|
GtkTreeViewColumn *tv_column;
|
|
gint ret_val;
|
|
|
|
column_list = gtk_tree_view_get_columns (tree_view);
|
|
ret_val = 0;
|
|
for (temp_list = column_list; temp_list; temp_list = temp_list->next)
|
|
{
|
|
tv_column = GTK_TREE_VIEW_COLUMN (temp_list->data);
|
|
if (tv_column == column)
|
|
break;
|
|
if (!visible || gtk_tree_view_column_get_visible (tv_column))
|
|
ret_val++;
|
|
}
|
|
if (temp_list == NULL)
|
|
{
|
|
ret_val = -1;
|
|
}
|
|
g_list_free (column_list);
|
|
return ret_val;
|
|
}
|
|
|
|
static gint
|
|
get_index (GtkTreeView *tree_view,
|
|
GtkTreePath *path,
|
|
gint actual_column)
|
|
{
|
|
gint depth = 0;
|
|
gint index = 1;
|
|
gint *indices = NULL;
|
|
|
|
|
|
if (path)
|
|
{
|
|
depth = gtk_tree_path_get_depth (path);
|
|
indices = gtk_tree_path_get_indices (path);
|
|
}
|
|
|
|
if (depth > 1)
|
|
{
|
|
GtkTreePath *copy_path;
|
|
GtkTreeModel *model;
|
|
|
|
model = gtk_tree_view_get_model (tree_view);
|
|
copy_path = gtk_tree_path_copy (path);
|
|
gtk_tree_path_up (copy_path);
|
|
count_rows (model, NULL, copy_path, &index, 0, depth);
|
|
gtk_tree_path_free (copy_path);
|
|
}
|
|
|
|
if (path)
|
|
index += indices[depth-1];
|
|
index *= get_n_actual_columns (tree_view);
|
|
index += actual_column;
|
|
return index;
|
|
}
|
|
|
|
/*
|
|
* The function count_rows counts the number of rows starting at iter and ending
|
|
* at end_path. The value of level is the depth of iter and the value of depth
|
|
* is the depth of end_path. Rows at depth before end_path are counted.
|
|
* This functions counts rows which are not visible because an ancestor is
|
|
* collapsed.
|
|
*/
|
|
static void
|
|
count_rows (GtkTreeModel *model,
|
|
GtkTreeIter *iter,
|
|
GtkTreePath *end_path,
|
|
gint *count,
|
|
gint level,
|
|
gint depth)
|
|
{
|
|
GtkTreeIter child_iter;
|
|
|
|
if (!model) return;
|
|
|
|
level++;
|
|
|
|
*count += gtk_tree_model_iter_n_children (model, iter);
|
|
|
|
#if 0
|
|
g_print ("count_rows : %d level: %d depth: %d\n", *count, level, depth);
|
|
if (iter != NULL)
|
|
g_print ("path: %s\n",
|
|
gtk_tree_path_to_string (gtk_tree_model_get_path (model, iter)));
|
|
#endif
|
|
|
|
if (level >= depth)
|
|
return;
|
|
|
|
if (gtk_tree_model_iter_children (model, &child_iter, iter))
|
|
{
|
|
gboolean ret_val = TRUE;
|
|
|
|
while (ret_val)
|
|
{
|
|
if (level == depth - 1)
|
|
{
|
|
GtkTreePath *iter_path;
|
|
gboolean finished = FALSE;
|
|
|
|
iter_path = gtk_tree_model_get_path (model, &child_iter);
|
|
if (end_path && gtk_tree_path_compare (iter_path, end_path) >= 0)
|
|
finished = TRUE;
|
|
gtk_tree_path_free (iter_path);
|
|
if (finished)
|
|
break;
|
|
}
|
|
if (gtk_tree_model_iter_has_child (model, &child_iter))
|
|
count_rows (model, &child_iter, end_path, count, level, depth);
|
|
ret_val = gtk_tree_model_iter_next (model, &child_iter);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Find the next node, which has children, at the specified depth below
|
|
* the specified iter. The level is the depth of the current iter.
|
|
* The position of the node is returned in path and the return value of TRUE
|
|
* means that a node was found.
|
|
*/
|
|
|
|
gboolean get_next_node_with_child_at_depth (GtkTreeModel *model,
|
|
GtkTreeIter *iter,
|
|
GtkTreePath **path,
|
|
gint level,
|
|
gint depth)
|
|
{
|
|
GtkTreeIter child_iter;
|
|
|
|
*path = NULL;
|
|
|
|
if (gtk_tree_model_iter_children (model, &child_iter, iter))
|
|
{
|
|
level++;
|
|
|
|
while (TRUE)
|
|
{
|
|
while (!gtk_tree_model_iter_has_child (model, &child_iter))
|
|
{
|
|
if (!gtk_tree_model_iter_next (model, &child_iter))
|
|
return FALSE;
|
|
}
|
|
|
|
if (level == depth)
|
|
/* We have found what we were looking for */
|
|
{
|
|
*path = gtk_tree_model_get_path (model, &child_iter);
|
|
return TRUE;
|
|
}
|
|
|
|
if (get_next_node_with_child_at_depth (model, &child_iter, path,
|
|
level, depth))
|
|
return TRUE;
|
|
|
|
if (!gtk_tree_model_iter_next (model, &child_iter))
|
|
return FALSE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Find the next node, which has children, at the same depth as
|
|
* the specified GtkTreePath.
|
|
*/
|
|
static gboolean
|
|
get_next_node_with_child (GtkTreeModel *model,
|
|
GtkTreePath *path,
|
|
GtkTreePath **return_path)
|
|
{
|
|
GtkTreeIter iter;
|
|
gint depth;
|
|
|
|
gtk_tree_model_get_iter (model, &iter, path);
|
|
|
|
while (gtk_tree_model_iter_next (model, &iter))
|
|
{
|
|
if (gtk_tree_model_iter_has_child (model, &iter))
|
|
{
|
|
*return_path = gtk_tree_model_get_path (model, &iter);
|
|
return TRUE;
|
|
}
|
|
}
|
|
depth = gtk_tree_path_get_depth (path);
|
|
while (gtk_tree_path_up (path))
|
|
{
|
|
if (gtk_tree_path_get_depth (path) == 0)
|
|
break;
|
|
|
|
gtk_tree_model_get_iter (model, &iter, path);
|
|
while (gtk_tree_model_iter_next (model, &iter))
|
|
if (get_next_node_with_child_at_depth (model, &iter, return_path,
|
|
gtk_tree_path_get_depth (path), depth))
|
|
return TRUE;
|
|
}
|
|
*return_path = NULL;
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
get_tree_path_from_row_index (GtkTreeModel *model,
|
|
gint row_index,
|
|
GtkTreePath **tree_path)
|
|
{
|
|
GtkTreeIter iter;
|
|
gint count;
|
|
gint depth;
|
|
|
|
count = gtk_tree_model_iter_n_children (model, NULL);
|
|
if (count > row_index)
|
|
{
|
|
if (gtk_tree_model_iter_nth_child (model, &iter, NULL, row_index))
|
|
{
|
|
*tree_path = gtk_tree_model_get_path (model, &iter);
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
else
|
|
row_index -= count;
|
|
|
|
depth = 0;
|
|
while (TRUE)
|
|
{
|
|
depth++;
|
|
|
|
if (get_next_node_with_child_at_depth (model, NULL, tree_path, 0, depth))
|
|
{
|
|
GtkTreePath *next_path;
|
|
|
|
while (TRUE)
|
|
{
|
|
gtk_tree_model_get_iter (model, &iter, *tree_path);
|
|
count = gtk_tree_model_iter_n_children (model, &iter);
|
|
if (count > row_index)
|
|
{
|
|
gtk_tree_path_append_index (*tree_path, row_index);
|
|
return TRUE;
|
|
}
|
|
else
|
|
row_index -= count;
|
|
|
|
if (!get_next_node_with_child (model, *tree_path, &next_path))
|
|
break;
|
|
|
|
gtk_tree_path_free (*tree_path);
|
|
*tree_path = next_path;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
g_warning ("Index value is too large\n");
|
|
gtk_tree_path_free (*tree_path);
|
|
*tree_path = NULL;
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function returns the number of rows, including those which are collapsed
|
|
*/
|
|
static gint
|
|
get_row_count (GtkTreeModel *model)
|
|
{
|
|
gint n_rows = 1;
|
|
|
|
count_rows (model, NULL, NULL, &n_rows, 0, G_MAXINT);
|
|
|
|
return n_rows;
|
|
}
|
|
|
|
static gboolean
|
|
get_path_column_from_index (GtkTreeView *tree_view,
|
|
gint index,
|
|
GtkTreePath **path,
|
|
GtkTreeViewColumn **column)
|
|
{
|
|
GtkTreeModel *tree_model;
|
|
gint n_columns;
|
|
|
|
tree_model = gtk_tree_view_get_model (tree_view);
|
|
n_columns = get_n_actual_columns (tree_view);
|
|
if (n_columns == 0)
|
|
return FALSE;
|
|
/* First row is the column headers */
|
|
index -= n_columns;
|
|
if (index < 0)
|
|
return FALSE;
|
|
|
|
if (path)
|
|
{
|
|
gint row_index;
|
|
gboolean retval;
|
|
|
|
row_index = index / n_columns;
|
|
retval = get_tree_path_from_row_index (tree_model, row_index, path);
|
|
gail_return_val_if_fail (retval, FALSE);
|
|
if (*path == NULL)
|
|
return FALSE;
|
|
}
|
|
|
|
if (column)
|
|
{
|
|
*column = gtk_tree_view_get_column (tree_view, index % n_columns);
|
|
if (*column == NULL)
|
|
{
|
|
if (path)
|
|
gtk_tree_path_free (*path);
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
set_cell_expandable (GailCell *cell)
|
|
{
|
|
if (gail_cell_add_state (cell,
|
|
ATK_STATE_EXPANDABLE,
|
|
FALSE))
|
|
gail_cell_add_action (cell,
|
|
"expand or contract", /* action name */
|
|
"expands or contracts the row in the tree view "
|
|
"containing this cell", /* description */
|
|
NULL, /* Keybinding */
|
|
toggle_cell_expanded);
|
|
}
|
|
|
|
static GailTreeViewCellInfo*
|
|
find_cell_info (GailTreeView *view,
|
|
GailCell *cell,
|
|
GList** list,
|
|
gboolean live_only)
|
|
{
|
|
GList *temp_list;
|
|
GailTreeViewCellInfo *cell_info;
|
|
|
|
for (temp_list = view->cell_data; temp_list; temp_list = temp_list->next)
|
|
{
|
|
cell_info = (GailTreeViewCellInfo *) temp_list->data;
|
|
if (cell_info->cell == cell && (!live_only || cell_info->in_use))
|
|
{
|
|
if (list)
|
|
*list = temp_list;
|
|
return cell_info;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static AtkObject *
|
|
get_header_from_column (GtkTreeViewColumn *tv_col)
|
|
{
|
|
AtkObject *rc;
|
|
GtkWidget *header_widget;
|
|
|
|
if (tv_col == NULL)
|
|
return NULL;
|
|
|
|
/* If the user has set a header object, use that */
|
|
|
|
rc = g_object_get_qdata (G_OBJECT (tv_col), quark_column_header_object);
|
|
|
|
if (rc == NULL)
|
|
{
|
|
/* If the user has not set a header object, grab the column */
|
|
/* header object defined by the GtkTreeView */
|
|
|
|
header_widget = tv_col->button;
|
|
|
|
if (header_widget)
|
|
{
|
|
rc = gtk_widget_get_accessible (header_widget);
|
|
}
|
|
else
|
|
rc = NULL;
|
|
}
|
|
return rc;
|
|
}
|