diff options
Diffstat (limited to 'gtk/a11y/gtktreeviewaccessible.c')
| -rw-r--r-- | gtk/a11y/gtktreeviewaccessible.c | 2084 |
1 files changed, 0 insertions, 2084 deletions
diff --git a/gtk/a11y/gtktreeviewaccessible.c b/gtk/a11y/gtktreeviewaccessible.c deleted file mode 100644 index 5566939f8e..0000000000 --- a/gtk/a11y/gtktreeviewaccessible.c +++ /dev/null @@ -1,2084 +0,0 @@ -/* GTK+ - accessibility implementations - * Copyright 2001, 2002, 2003 Sun Microsystems Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "config.h" - -#include <gtk/gtk.h> - -#include "gtktreeprivate.h" -#include "gtkwidgetprivate.h" - -#include "gtktreeviewaccessibleprivate.h" - -#include "gtkrenderercellaccessible.h" -#include "gtkbooleancellaccessible.h" -#include "gtkimagecellaccessible.h" -#include "gtkcontainercellaccessible.h" -#include "gtktextcellaccessible.h" -#include "gtkcellaccessibleparent.h" -#include "gtkcellaccessibleprivate.h" - -typedef struct -{ - GHashTable *cell_infos; -} GtkTreeViewAccessiblePrivate; - -typedef struct _GtkTreeViewAccessibleCellInfo GtkTreeViewAccessibleCellInfo; -struct _GtkTreeViewAccessibleCellInfo -{ - GtkCellAccessible *cell; - GtkTreeRBTree *tree; - GtkTreeRBNode *node; - GtkTreeViewColumn *cell_col_ref; - GtkTreeViewAccessible *view; -}; - -/* Misc */ - -static int cell_info_get_index (GtkTreeView *tree_view, - GtkTreeViewAccessibleCellInfo *info); -static gboolean is_cell_showing (GtkTreeView *tree_view, - GdkRectangle *cell_rect); - -static void cell_info_new (GtkTreeViewAccessible *accessible, - GtkTreeRBTree *tree, - GtkTreeRBNode *node, - GtkTreeViewColumn *tv_col, - GtkCellAccessible *cell); -static int get_column_number (GtkTreeView *tree_view, - GtkTreeViewColumn *column); - -static gboolean get_rbtree_column_from_index (GtkTreeView *tree_view, - int index, - GtkTreeRBTree **tree, - GtkTreeRBNode **node, - GtkTreeViewColumn **column); - -static GtkTreeViewAccessibleCellInfo* find_cell_info (GtkTreeViewAccessible *view, - GtkCellAccessible *cell); -static AtkObject * get_header_from_column (GtkTreeViewColumn *tv_col); - - -static void atk_table_interface_init (AtkTableIface *iface); -static void atk_selection_interface_init (AtkSelectionIface *iface); -static void atk_component_interface_init (AtkComponentIface *iface); -static void gtk_cell_accessible_parent_interface_init (GtkCellAccessibleParentIface *iface); - -G_DEFINE_TYPE_WITH_CODE (GtkTreeViewAccessible, gtk_tree_view_accessible, GTK_TYPE_WIDGET_ACCESSIBLE, - G_ADD_PRIVATE (GtkTreeViewAccessible) - G_IMPLEMENT_INTERFACE (ATK_TYPE_TABLE, atk_table_interface_init) - G_IMPLEMENT_INTERFACE (ATK_TYPE_SELECTION, atk_selection_interface_init) - G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_interface_init) - G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_ACCESSIBLE_PARENT, gtk_cell_accessible_parent_interface_init)) - - -static GQuark -gtk_tree_view_accessible_get_data_quark (void) -{ - static GQuark quark = 0; - - if (G_UNLIKELY (quark == 0)) - quark = g_quark_from_static_string ("gtk-tree-view-accessible-data"); - - return quark; -} - -static void -cell_info_free (GtkTreeViewAccessibleCellInfo *cell_info) -{ - gtk_accessible_set_widget (GTK_ACCESSIBLE (cell_info->cell), NULL); - g_object_unref (cell_info->cell); - - g_free (cell_info); -} - -static GtkTreePath * -cell_info_get_path (GtkTreeViewAccessibleCellInfo *cell_info) -{ - return _gtk_tree_path_new_from_rbtree (cell_info->tree, cell_info->node); -} - -static guint -cell_info_hash (gconstpointer info) -{ - const GtkTreeViewAccessibleCellInfo *cell_info = info; - guint node, col; - - node = GPOINTER_TO_UINT (cell_info->node); - col = GPOINTER_TO_UINT (cell_info->cell_col_ref); - - return ((node << sizeof (guint) / 2) | (node >> sizeof (guint) / 2)) ^ col; -} - -static gboolean -cell_info_equal (gconstpointer a, gconstpointer b) -{ - const GtkTreeViewAccessibleCellInfo *cell_info_a = a; - const GtkTreeViewAccessibleCellInfo *cell_info_b = b; - - return cell_info_a->node == cell_info_b->node && - cell_info_a->cell_col_ref == cell_info_b->cell_col_ref; -} - -static void -gtk_tree_view_accessible_initialize (AtkObject *obj, - gpointer data) -{ - GtkTreeViewAccessible *self = GTK_TREE_VIEW_ACCESSIBLE (obj); - GtkTreeViewAccessiblePrivate *priv = gtk_tree_view_accessible_get_instance_private (self); - GtkTreeView *tree_view = data; - GtkTreeModel *tree_model; - - ATK_OBJECT_CLASS (gtk_tree_view_accessible_parent_class)->initialize (obj, data); - - priv->cell_infos = g_hash_table_new_full (cell_info_hash, cell_info_equal, - NULL, - (GDestroyNotify) cell_info_free); - - tree_model = gtk_tree_view_get_model (tree_view); - - if (tree_model != NULL) - { - AtkRole role; - - if ((gtk_tree_model_get_flags (tree_model) & GTK_TREE_MODEL_LIST_ONLY) != 0) - role = ATK_ROLE_TABLE; - else - role = ATK_ROLE_TREE_TABLE; - - atk_object_set_role (obj, role); - } -} - -static void -gtk_tree_view_accessible_finalize (GObject *object) -{ - GtkTreeViewAccessible *self = GTK_TREE_VIEW_ACCESSIBLE (object); - GtkTreeViewAccessiblePrivate *priv = gtk_tree_view_accessible_get_instance_private (self); - - g_clear_pointer (&priv->cell_infos, g_hash_table_unref); - - G_OBJECT_CLASS (gtk_tree_view_accessible_parent_class)->finalize (object); -} - -void -gtk_tree_view_accessible_update_model (GtkTreeViewAccessible *self, - GtkTreeModel *model) -{ - GtkTreeViewAccessiblePrivate *priv = gtk_tree_view_accessible_get_instance_private (self); - - g_return_if_fail (GTK_IS_TREE_VIEW_ACCESSIBLE (self)); - g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model)); - - g_hash_table_remove_all (priv->cell_infos); - - if (model != NULL) - { - AtkObject *object = ATK_OBJECT (self); - AtkRole role; - - if ((gtk_tree_model_get_flags (model) & GTK_TREE_MODEL_LIST_ONLY) != 0) - role = ATK_ROLE_TABLE; - else - role = ATK_ROLE_TREE_TABLE; - - atk_object_set_role (object, role); - - g_object_freeze_notify (G_OBJECT (self)); - g_signal_emit_by_name (self, "model-changed"); - g_signal_emit_by_name (self, "visible-data-changed"); - g_object_thaw_notify (G_OBJECT (self)); - } -} - -static void -gtk_tree_view_accessible_widget_unset (GtkAccessible *gtkaccessible) -{ - GtkTreeViewAccessible *self = GTK_TREE_VIEW_ACCESSIBLE (gtkaccessible); - GtkTreeViewAccessiblePrivate *priv = gtk_tree_view_accessible_get_instance_private (self); - - g_hash_table_remove_all (priv->cell_infos); - - GTK_ACCESSIBLE_CLASS (gtk_tree_view_accessible_parent_class)->widget_unset (gtkaccessible); -} - -static int -get_n_rows (GtkTreeView *tree_view) -{ - GtkTreeRBTree *tree; - - tree = _gtk_tree_view_get_rbtree (tree_view); - - if (tree == NULL) - return 0; - - return tree->root->total_count; -} - -static int -get_n_columns (GtkTreeView *tree_view) -{ - guint i, visible_columns; - - visible_columns = 0; - - for (i = 0; i < gtk_tree_view_get_n_columns (tree_view); i++) - { - GtkTreeViewColumn *column = gtk_tree_view_get_column (tree_view, i); - - if (gtk_tree_view_column_get_visible (column)) - visible_columns++; - } - - return visible_columns; -} - -static int -gtk_tree_view_accessible_get_n_children (AtkObject *obj) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj)); - if (widget == NULL) - return 0; - - tree_view = GTK_TREE_VIEW (widget); - return (get_n_rows (tree_view) + 1) * get_n_columns (tree_view); -} - -static GtkTreeViewColumn * -get_visible_column (GtkTreeView *tree_view, - guint id) -{ - guint i; - - for (i = 0; i < gtk_tree_view_get_n_columns (tree_view); i++) - { - GtkTreeViewColumn *column = gtk_tree_view_get_column (tree_view, i); - - if (!gtk_tree_view_column_get_visible (column)) - continue; - - if (id == 0) - return column; - - id--; - } - - g_return_val_if_reached (NULL); -} - -static void -set_cell_data (GtkTreeView *treeview, - GtkTreeViewAccessible *accessible, - GtkCellAccessible *cell) -{ - GtkTreeViewAccessibleCellInfo *cell_info; - gboolean is_expander, is_expanded; - GtkTreeModel *model; - GtkTreeIter iter; - GtkTreePath *path; - - cell_info = find_cell_info (accessible, cell); - if (!cell_info) - return; - - model = gtk_tree_view_get_model (treeview); - - if (GTK_TREE_RBNODE_FLAG_SET (cell_info->node, GTK_TREE_RBNODE_IS_PARENT) && - cell_info->cell_col_ref == gtk_tree_view_get_expander_column (treeview)) - { - is_expander = TRUE; - is_expanded = cell_info->node->children != NULL; - } - else - { - is_expander = FALSE; - is_expanded = FALSE; - } - - path = cell_info_get_path (cell_info); - if (path == NULL || - !gtk_tree_model_get_iter (model, &iter, path)) - { - /* We only track valid cells, this should never happen */ - g_return_if_reached (); - } - gtk_tree_path_free (path); - - gtk_tree_view_column_cell_set_cell_data (cell_info->cell_col_ref, - model, - &iter, - is_expander, - is_expanded); -} - -static GtkCellAccessible * -peek_cell (GtkTreeViewAccessible *self, - GtkTreeRBTree *tree, - GtkTreeRBNode *node, - GtkTreeViewColumn *column) -{ - GtkTreeViewAccessiblePrivate *priv = gtk_tree_view_accessible_get_instance_private (self); - GtkTreeViewAccessibleCellInfo lookup, *cell_info; - - lookup.tree = tree; - lookup.node = node; - lookup.cell_col_ref = column; - - cell_info = g_hash_table_lookup (priv->cell_infos, &lookup); - if (cell_info == NULL) - return NULL; - - return cell_info->cell; -} - -static GtkCellAccessible * -create_cell_accessible_for_renderer (GtkCellRenderer *renderer, - GtkWidget *widget, - AtkObject *parent) -{ - GtkCellAccessible *cell; - - cell = GTK_CELL_ACCESSIBLE (gtk_renderer_cell_accessible_new (renderer)); - - _gtk_cell_accessible_initialize (cell, widget, parent); - - return cell; -} - -static GtkCellAccessible * -create_cell_accessible (GtkTreeView *treeview, - GtkTreeViewAccessible *accessible, - GtkTreeViewColumn *column) -{ - GList *renderer_list; - GList *l; - GtkCellAccessible *cell; - - renderer_list = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column)); - - /* If there is exactly one renderer in the list (which is a - * common case), shortcut and don't make a container - */ - if (g_list_length (renderer_list) == 1) - { - cell = create_cell_accessible_for_renderer (renderer_list->data, GTK_WIDGET (treeview), ATK_OBJECT (accessible)); - } - else - { - GtkContainerCellAccessible *container; - - container = gtk_container_cell_accessible_new (); - _gtk_cell_accessible_initialize (GTK_CELL_ACCESSIBLE (container), GTK_WIDGET (treeview), ATK_OBJECT (accessible)); - - for (l = renderer_list; l; l = l->next) - { - cell = create_cell_accessible_for_renderer (l->data, GTK_WIDGET (treeview), ATK_OBJECT (container)); - gtk_container_cell_accessible_add_child (container, cell); - } - - cell = GTK_CELL_ACCESSIBLE (container); - } - - g_list_free (renderer_list); - - return cell; -} - -static GtkCellAccessible * -create_cell (GtkTreeView *treeview, - GtkTreeViewAccessible *accessible, - GtkTreeRBTree *tree, - GtkTreeRBNode *node, - GtkTreeViewColumn *column) -{ - GtkCellAccessible *cell; - - cell = create_cell_accessible (treeview, accessible, column); - cell_info_new (accessible, tree, node, column, cell); - - set_cell_data (treeview, accessible, cell); - _gtk_cell_accessible_update_cache (cell, FALSE); - - return cell; -} - -static AtkObject * -gtk_tree_view_accessible_ref_child (AtkObject *obj, - int i) -{ - GtkWidget *widget; - GtkTreeViewAccessible *accessible; - GtkCellAccessible *cell; - GtkTreeView *tree_view; - GtkTreeViewColumn *tv_col; - GtkTreeRBTree *tree; - GtkTreeRBNode *node; - AtkObject *child; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj)); - if (widget == NULL) - return NULL; - - if (i >= gtk_tree_view_accessible_get_n_children (obj)) - return NULL; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (obj); - tree_view = GTK_TREE_VIEW (widget); - if (i < get_n_columns (tree_view)) - { - tv_col = get_visible_column (tree_view, i); - child = get_header_from_column (tv_col); - if (child) - g_object_ref (child); - return child; - } - - /* Find the RBTree and GtkTreeViewColumn for the index */ - if (!get_rbtree_column_from_index (tree_view, i, &tree, &node, &tv_col)) - return NULL; - - cell = peek_cell (accessible, tree, node, tv_col); - if (cell == NULL) - cell = create_cell (tree_view, accessible, tree, node, tv_col); - - return (AtkObject *) g_object_ref (cell); -} - -static AtkStateSet* -gtk_tree_view_accessible_ref_state_set (AtkObject *obj) -{ - AtkStateSet *state_set; - GtkWidget *widget; - - state_set = ATK_OBJECT_CLASS (gtk_tree_view_accessible_parent_class)->ref_state_set (obj); - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj)); - - if (widget != NULL) - atk_state_set_add_state (state_set, ATK_STATE_MANAGES_DESCENDANTS); - - return state_set; -} - -static void -gtk_tree_view_accessible_class_init (GtkTreeViewAccessibleClass *klass) -{ - AtkObjectClass *class = ATK_OBJECT_CLASS (klass); - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - GtkAccessibleClass *accessible_class = (GtkAccessibleClass*)klass; - - class->get_n_children = gtk_tree_view_accessible_get_n_children; - class->ref_child = gtk_tree_view_accessible_ref_child; - class->ref_state_set = gtk_tree_view_accessible_ref_state_set; - class->initialize = gtk_tree_view_accessible_initialize; - - accessible_class->widget_unset = gtk_tree_view_accessible_widget_unset; - - gobject_class->finalize = gtk_tree_view_accessible_finalize; -} - -static void -gtk_tree_view_accessible_init (GtkTreeViewAccessible *view) -{ -} - -/* atkcomponent.h */ - -static AtkObject * -gtk_tree_view_accessible_ref_accessible_at_point (AtkComponent *component, - int x, - int y, - AtkCoordType coord_type) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - GtkTreePath *path; - GtkTreeViewColumn *column; - int x_pos, y_pos; - int bx, by; - GtkCellAccessible *cell; - GtkTreeRBTree *tree; - GtkTreeRBNode *node; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component)); - if (widget == NULL) - return NULL; - - tree_view = GTK_TREE_VIEW (widget); - - atk_component_get_extents (component, &x_pos, &y_pos, NULL, NULL, coord_type); - gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, x, y, &bx, &by); - if (!gtk_tree_view_get_path_at_pos (tree_view, - bx - x_pos, by - y_pos, - &path, &column, NULL, NULL)) - return NULL; - - if (_gtk_tree_view_find_node (tree_view, path, &tree, &node)) - { - gtk_tree_path_free (path); - return NULL; - } - - cell = peek_cell (GTK_TREE_VIEW_ACCESSIBLE (component), tree, node, column); - if (cell == NULL) - cell = create_cell (tree_view, GTK_TREE_VIEW_ACCESSIBLE (component), tree, node, column); - - return (AtkObject *) g_object_ref (cell); -} - -static void -atk_component_interface_init (AtkComponentIface *iface) -{ - iface->ref_accessible_at_point = gtk_tree_view_accessible_ref_accessible_at_point; -} - -/* atktable.h */ - -static int -gtk_tree_view_accessible_get_index_at (AtkTable *table, - int row, - int column) -{ - GtkWidget *widget; - int n_cols, n_rows; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - return -1; - - 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; - - return (row + 1) * n_cols + column; -} - -static int -gtk_tree_view_accessible_get_column_at_index (AtkTable *table, - int index) -{ - GtkWidget *widget; - int n_columns; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - return -1; - - if (index >= gtk_tree_view_accessible_get_n_children (ATK_OBJECT (table))) - return -1; - - n_columns = get_n_columns (GTK_TREE_VIEW (widget)); - - /* checked by the n_children() check above */ - g_assert (n_columns > 0); - - return index % n_columns; -} - -static int -gtk_tree_view_accessible_get_row_at_index (AtkTable *table, - int index) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - return -1; - - tree_view = GTK_TREE_VIEW (widget); - - index /= get_n_columns (tree_view); - index--; - if (index >= get_n_rows (tree_view)) - return -1; - - return index; -} - -static AtkObject * -gtk_tree_view_accessible_table_ref_at (AtkTable *table, - int row, - int column) -{ - int index; - - index = gtk_tree_view_accessible_get_index_at (table, row, column); - if (index == -1) - return NULL; - - return gtk_tree_view_accessible_ref_child (ATK_OBJECT (table), index); -} - -static int -gtk_tree_view_accessible_get_n_rows (AtkTable *table) -{ - GtkWidget *widget; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - return 0; - - return get_n_rows (GTK_TREE_VIEW (widget)); -} - -static int -gtk_tree_view_accessible_get_n_columns (AtkTable *table) -{ - GtkWidget *widget; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - return 0; - - return get_n_columns (GTK_TREE_VIEW (widget)); -} - -static gboolean -gtk_tree_view_accessible_is_row_selected (AtkTable *table, - int row) -{ - GtkWidget *widget; - GtkTreeRBTree *tree; - GtkTreeRBNode *node; - - if (row < 0) - return FALSE; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - return FALSE; - - if (!gtk_tree_rbtree_find_index (_gtk_tree_view_get_rbtree (GTK_TREE_VIEW (widget)), - row, - &tree, - &node)) - return FALSE; - - return GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED); -} - -static gboolean -gtk_tree_view_accessible_is_selected (AtkTable *table, - int row, - int column) -{ - return gtk_tree_view_accessible_is_row_selected (table, row); -} - -typedef struct { - GArray *array; - GtkTreeView *treeview; -} SelectedRowsData; - -static void -get_selected_rows (GtkTreeModel *model, - GtkTreePath *path, - GtkTreeIter *iter, - gpointer datap) -{ - SelectedRowsData *data = datap; - GtkTreeRBTree *tree; - GtkTreeRBNode *node; - int id; - - if (_gtk_tree_view_find_node (data->treeview, - path, - &tree, &node)) - { - g_assert_not_reached (); - } - - id = gtk_tree_rbtree_node_get_index (tree, node); - - g_array_append_val (data->array, id); -} - -static int -gtk_tree_view_accessible_get_selected_rows (AtkTable *table, - int **rows_selected) -{ - SelectedRowsData data; - GtkWidget *widget; - int n_rows; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - { - if (rows_selected != NULL) - *rows_selected = NULL; - return 0; - } - - data.treeview = GTK_TREE_VIEW (widget); - data.array = g_array_new (FALSE, FALSE, sizeof (int)); - - gtk_tree_selection_selected_foreach (gtk_tree_view_get_selection (data.treeview), - get_selected_rows, - &data); - - n_rows = data.array->len; - if (rows_selected) - *rows_selected = (int *) g_array_free (data.array, FALSE); - else - g_array_free (data.array, TRUE); - - return n_rows; -} - -static gboolean -gtk_tree_view_accessible_add_row_selection (AtkTable *table, - int row) -{ - GtkTreeView *treeview; - GtkTreePath *path; - GtkTreeRBTree *tree; - GtkTreeRBNode *node; - - if (row < 0) - return FALSE; - - treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (table))); - if (treeview == NULL) - return FALSE; - - if (!gtk_tree_rbtree_find_index (_gtk_tree_view_get_rbtree (treeview), - row, - &tree, - &node)) - return FALSE; - - if (GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED)) - return FALSE; - - path = _gtk_tree_path_new_from_rbtree (tree, node); - gtk_tree_selection_select_path (gtk_tree_view_get_selection (treeview), path); - gtk_tree_path_free (path); - - return TRUE; -} - -static gboolean -gtk_tree_view_accessible_remove_row_selection (AtkTable *table, - int row) -{ - GtkTreeView *treeview; - GtkTreePath *path; - GtkTreeRBTree *tree; - GtkTreeRBNode *node; - - if (row < 0) - return FALSE; - - treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (table))); - if (treeview == NULL) - return FALSE; - - if (!gtk_tree_rbtree_find_index (_gtk_tree_view_get_rbtree (treeview), - row, - &tree, - &node)) - return FALSE; - - if (!GTK_TREE_RBNODE_FLAG_SET (node, GTK_TREE_RBNODE_IS_SELECTED)) - return FALSE; - - path = _gtk_tree_path_new_from_rbtree (tree, node); - gtk_tree_selection_unselect_path (gtk_tree_view_get_selection (treeview), path); - gtk_tree_path_free (path); - - return TRUE; -} - -static AtkObject * -gtk_tree_view_accessible_get_column_header (AtkTable *table, - int in_col) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - GtkTreeViewColumn *tv_col; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - return NULL; - - tree_view = GTK_TREE_VIEW (widget); - if (in_col < 0 || in_col >= get_n_columns (tree_view)) - return NULL; - - tv_col = get_visible_column (tree_view, in_col); - return get_header_from_column (tv_col); -} - -static const char * -gtk_tree_view_accessible_get_column_description (AtkTable *table, - int in_col) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - GtkTreeViewColumn *tv_col; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (table)); - if (widget == NULL) - return NULL; - - tree_view = GTK_TREE_VIEW (widget); - if (in_col < 0 || in_col >= get_n_columns (tree_view)) - return NULL; - - tv_col = get_visible_column (tree_view, in_col); - return gtk_tree_view_column_get_title (tv_col); -} - -static void -atk_table_interface_init (AtkTableIface *iface) -{ - iface->ref_at = gtk_tree_view_accessible_table_ref_at; - iface->get_n_rows = gtk_tree_view_accessible_get_n_rows; - iface->get_n_columns = gtk_tree_view_accessible_get_n_columns; - iface->get_index_at = gtk_tree_view_accessible_get_index_at; - iface->get_column_at_index = gtk_tree_view_accessible_get_column_at_index; - iface->get_row_at_index = gtk_tree_view_accessible_get_row_at_index; - iface->is_row_selected = gtk_tree_view_accessible_is_row_selected; - iface->is_selected = gtk_tree_view_accessible_is_selected; - iface->get_selected_rows = gtk_tree_view_accessible_get_selected_rows; - iface->add_row_selection = gtk_tree_view_accessible_add_row_selection; - iface->remove_row_selection = gtk_tree_view_accessible_remove_row_selection; - iface->get_column_extent_at = NULL; - iface->get_row_extent_at = NULL; - iface->get_column_header = gtk_tree_view_accessible_get_column_header; - iface->get_column_description = gtk_tree_view_accessible_get_column_description; -} - -/* atkselection.h */ - -static gboolean -gtk_tree_view_accessible_add_selection (AtkSelection *selection, - int i) -{ - AtkTable *table; - int n_columns; - int row; - - table = ATK_TABLE (selection); - n_columns = gtk_tree_view_accessible_get_n_columns (table); - if (n_columns != 1) - return FALSE; - - row = gtk_tree_view_accessible_get_row_at_index (table, i); - return gtk_tree_view_accessible_add_row_selection (table, row); -} - -static gboolean -gtk_tree_view_accessible_clear_selection (AtkSelection *selection) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - GtkTreeSelection *tree_selection; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection)); - if (widget == NULL) - 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 * -gtk_tree_view_accessible_ref_selection (AtkSelection *selection, - int i) -{ - AtkTable *table; - int row; - int n_selected; - int n_columns; - int *selected; - - table = ATK_TABLE (selection); - n_columns = gtk_tree_view_accessible_get_n_columns (table); - n_selected = gtk_tree_view_accessible_get_selected_rows (table, &selected); - if (n_columns == 0 || i >= n_columns * n_selected) - return NULL; - - row = selected[i / n_columns]; - g_free (selected); - - return gtk_tree_view_accessible_table_ref_at (table, row, i % n_columns); -} - -static int -gtk_tree_view_accessible_get_selection_count (AtkSelection *selection) -{ - AtkTable *table; - int n_selected; - - table = ATK_TABLE (selection); - n_selected = gtk_tree_view_accessible_get_selected_rows (table, NULL); - if (n_selected > 0) - n_selected *= gtk_tree_view_accessible_get_n_columns (table); - return n_selected; -} - -static gboolean -gtk_tree_view_accessible_is_child_selected (AtkSelection *selection, - int i) -{ - GtkWidget *widget; - int row; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection)); - if (widget == NULL) - return FALSE; - - row = gtk_tree_view_accessible_get_row_at_index (ATK_TABLE (selection), i); - - return gtk_tree_view_accessible_is_row_selected (ATK_TABLE (selection), row); -} - -static void atk_selection_interface_init (AtkSelectionIface *iface) -{ - iface->add_selection = gtk_tree_view_accessible_add_selection; - iface->clear_selection = gtk_tree_view_accessible_clear_selection; - iface->ref_selection = gtk_tree_view_accessible_ref_selection; - iface->get_selection_count = gtk_tree_view_accessible_get_selection_count; - iface->is_child_selected = gtk_tree_view_accessible_is_child_selected; -} - -#define EXTRA_EXPANDER_PADDING 4 - -static void -gtk_tree_view_accessible_get_cell_area (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell, - GdkRectangle *cell_rect) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - GtkTreeViewColumn *tv_col; - GtkTreePath *path; - AtkObject *parent_cell; - GtkTreeViewAccessibleCellInfo *cell_info; - GtkCellAccessible *top_cell; - - /* Default value. */ - cell_rect->x = 0; - cell_rect->y = 0; - cell_rect->width = 0; - cell_rect->height = 0; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)); - if (widget == NULL) - return; - - tree_view = GTK_TREE_VIEW (widget); - parent_cell = atk_object_get_parent (ATK_OBJECT (cell)); - if (parent_cell != ATK_OBJECT (parent)) - top_cell = GTK_CELL_ACCESSIBLE (parent_cell); - else - top_cell = cell; - cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), top_cell); - if (!cell_info) - return; - path = cell_info_get_path (cell_info); - tv_col = cell_info->cell_col_ref; - if (path) - { - GtkTreeViewColumn *expander_column; - - 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) - { - /* Values from gtktreeview.c ... */ -#define _TREE_VIEW_EXPANDER_SIZE 16 -#define _TREE_VIEW_HORIZONTAL_SEPARATOR 4 - int expander_size = _TREE_VIEW_EXPANDER_SIZE + (_TREE_VIEW_HORIZONTAL_SEPARATOR / 2); - cell_rect->x += expander_size + EXTRA_EXPANDER_PADDING; - cell_rect->width -= expander_size + EXTRA_EXPANDER_PADDING; - } - - 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) - { - int cell_index; - gboolean found; - int cell_start; - int cell_width; - GList *renderers; - GtkCellRenderer *renderer; - - cell_index = atk_object_get_index_in_parent (ATK_OBJECT (cell)); - renderers = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (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 void -gtk_tree_view_accessible_get_cell_extents (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell, - int *x, - int *y, - int *width, - int *height, - AtkCoordType coord_type) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - GdkRectangle cell_rect; - int w_x, w_y; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)); - if (widget == NULL) - return; - - tree_view = GTK_TREE_VIEW (widget); - gtk_tree_view_accessible_get_cell_area (parent, cell, &cell_rect); - gtk_tree_view_convert_widget_to_bin_window_coords (tree_view, - 0, 0, - &w_x, &w_y); - - *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; - } -} - -static gboolean -gtk_tree_view_accessible_grab_cell_focus (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - GtkTreeViewColumn *tv_col; - GtkTreePath *path; - AtkObject *parent_cell; - AtkObject *cell_object; - GtkTreeViewAccessibleCellInfo *cell_info; - GtkCellRenderer *renderer = NULL; - GtkWidget *toplevel; - int index; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)); - if (widget == NULL) - return FALSE; - - tree_view = GTK_TREE_VIEW (widget); - - cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell); - if (!cell_info) - return 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)) - { - /* GtkCellAccessible is in a GtkContainerCellAccessible. - * The GtkTreeViewColumn has multiple renderers; - * find the corresponding one. - */ - GList *renderers; - - renderers = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (tv_col)); - index = atk_object_get_index_in_parent (cell_object); - renderer = g_list_nth_data (renderers, index); - g_list_free (renderers); - } - path = cell_info_get_path (cell_info); - if (path) - { - 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 (gtk_widget_get_root (widget)); - if (GTK_IS_WINDOW (toplevel)) - { - G_GNUC_BEGIN_IGNORE_DEPRECATIONS - gtk_window_present (GTK_WINDOW (toplevel)); - G_GNUC_END_IGNORE_DEPRECATIONS - } - - return TRUE; - } - else - return FALSE; -} - -static int -gtk_tree_view_accessible_get_child_index (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell) -{ - GtkTreeViewAccessibleCellInfo *cell_info; - GtkTreeView *tree_view; - - cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell); - if (!cell_info) - return -1; - - tree_view = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent))); - - return cell_info_get_index (tree_view, cell_info); -} - -static GtkCellRendererState -gtk_tree_view_accessible_get_renderer_state (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell) -{ - GtkTreeViewAccessibleCellInfo *cell_info; - GtkTreeView *treeview; - GtkCellRendererState flags; - - cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell); - if (!cell_info) - return 0; - - flags = 0; - - if (GTK_TREE_RBNODE_FLAG_SET (cell_info->node, GTK_TREE_RBNODE_IS_SELECTED)) - flags |= GTK_CELL_RENDERER_SELECTED; - - if (GTK_TREE_RBNODE_FLAG_SET (cell_info->node, GTK_TREE_RBNODE_IS_PRELIT)) - flags |= GTK_CELL_RENDERER_PRELIT; - - if (gtk_tree_view_column_get_sort_indicator (cell_info->cell_col_ref)) - flags |= GTK_CELL_RENDERER_SORTED; - - treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent))); - - if (cell_info->cell_col_ref == gtk_tree_view_get_expander_column (treeview)) - { - if (GTK_TREE_RBNODE_FLAG_SET (cell_info->node, GTK_TREE_RBNODE_IS_PARENT)) - flags |= GTK_CELL_RENDERER_EXPANDABLE; - - if (cell_info->node->children) - flags |= GTK_CELL_RENDERER_EXPANDED; - } - - if (gtk_widget_has_focus (GTK_WIDGET (treeview))) - { - GtkTreeViewColumn *column; - GtkTreePath *path; - GtkTreeRBTree *tree; - GtkTreeRBNode *node = NULL; - - gtk_tree_view_get_cursor (treeview, &path, &column); - if (path) - { - _gtk_tree_view_find_node (treeview, path, &tree, &node); - gtk_tree_path_free (path); - } - else - tree = NULL; - - if (cell_info->cell_col_ref == column - && cell_info->tree == tree - && cell_info->node == node) - flags |= GTK_CELL_RENDERER_FOCUSED; - } - - return flags; -} - -static void -gtk_tree_view_accessible_expand_collapse (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell) -{ - GtkTreeViewAccessibleCellInfo *cell_info; - GtkTreeView *treeview; - GtkTreePath *path; - - treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent))); - - cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell); - if (!cell_info || - cell_info->cell_col_ref != gtk_tree_view_get_expander_column (treeview)) - return; - - path = cell_info_get_path (cell_info); - - if (cell_info->node->children) - gtk_tree_view_collapse_row (treeview, path); - else - gtk_tree_view_expand_row (treeview, path, FALSE); - - gtk_tree_path_free (path); -} - -static void -gtk_tree_view_accessible_activate (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell) -{ - GtkTreeViewAccessibleCellInfo *cell_info; - GtkTreeView *treeview; - GtkTreePath *path; - - treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent))); - - cell_info = find_cell_info (GTK_TREE_VIEW_ACCESSIBLE (parent), cell); - if (!cell_info) - return; - - path = cell_info_get_path (cell_info); - - gtk_tree_view_row_activated (treeview, path, cell_info->cell_col_ref); - - gtk_tree_path_free (path); -} - -static void -gtk_tree_view_accessible_edit (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell) -{ - GtkTreeView *treeview; - - if (!gtk_tree_view_accessible_grab_cell_focus (parent, cell)) - return; - - treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent))); - - g_signal_emit_by_name (treeview, - "real-select-cursor-row", - TRUE); -} - -static void -gtk_tree_view_accessible_update_relationset (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell, - AtkRelationSet *relationset) -{ - GtkTreeViewAccessibleCellInfo *cell_info; - GtkTreeViewAccessible *accessible; - GtkTreeViewColumn *column; - GtkTreeView *treeview; - AtkRelation *relation; - GtkTreeRBTree *tree; - GtkTreeRBNode *node; - AtkObject *object; - - /* Don't set relations on cells that aren't direct descendants of the treeview. - * So only set it on the container, not on the renderer accessibles */ - if (atk_object_get_parent (ATK_OBJECT (cell)) != ATK_OBJECT (parent)) - return; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (parent); - cell_info = find_cell_info (accessible, cell); - if (!cell_info) - return; - - /* only set parent/child rows on the expander column */ - treeview = GTK_TREE_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (parent))); - column = gtk_tree_view_get_expander_column (treeview); - if (column != cell_info->cell_col_ref) - return; - - /* Update CHILD_OF relation to parent cell */ - relation = atk_relation_set_get_relation_by_type (relationset, ATK_RELATION_NODE_CHILD_OF); - if (relation) - atk_relation_set_remove (relationset, relation); - - if (cell_info->tree->parent_tree) - { - object = ATK_OBJECT (peek_cell (accessible, cell_info->tree->parent_tree, cell_info->tree->parent_node, column)); - if (object == NULL) - object = ATK_OBJECT (create_cell (treeview, accessible, cell_info->tree->parent_tree, cell_info->tree->parent_node, column)); - } - else - object = ATK_OBJECT (accessible); - - atk_relation_set_add_relation_by_type (relationset, ATK_RELATION_NODE_CHILD_OF, object); - - /* Update PARENT_OF relation for all child cells */ - relation = atk_relation_set_get_relation_by_type (relationset, ATK_RELATION_NODE_PARENT_OF); - if (relation) - atk_relation_set_remove (relationset, relation); - - tree = cell_info->node->children; - if (tree) - { - for (node = gtk_tree_rbtree_first (tree); - node != NULL; - node = gtk_tree_rbtree_next (tree, node)) - { - object = ATK_OBJECT (peek_cell (accessible, tree, node, column)); - if (object == NULL) - object = ATK_OBJECT (create_cell (treeview, accessible, tree, node, column)); - - atk_relation_set_add_relation_by_type (relationset, ATK_RELATION_NODE_PARENT_OF, ATK_OBJECT (object)); - } - } -} - -static void -gtk_tree_view_accessible_get_cell_position (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell, - int *row, - int *column) -{ - GtkWidget *widget; - GtkTreeView *tree_view; - GtkTreeViewAccessibleCellInfo *cell_info; - GtkTreeViewAccessible *accessible; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)); - if (widget == NULL) - return; - - tree_view = GTK_TREE_VIEW (widget); - accessible = GTK_TREE_VIEW_ACCESSIBLE (parent); - cell_info = find_cell_info (accessible, cell); - if (!cell_info) - return; - - if (row) - (*row) = gtk_tree_rbtree_node_get_index (cell_info->tree, cell_info->node); - if (column) - (*column) = get_column_number (tree_view, cell_info->cell_col_ref); -} - -static GPtrArray * -gtk_tree_view_accessible_get_column_header_cells (GtkCellAccessibleParent *parent, - GtkCellAccessible *cell) -{ - GtkWidget *widget; - GtkTreeViewAccessibleCellInfo *cell_info; - GtkTreeViewAccessible *accessible; - GPtrArray *array; - - widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent)); - if (widget == NULL) - return NULL; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (parent); - cell_info = find_cell_info (accessible, cell); - if (!cell_info) - return NULL; - - array = g_ptr_array_new_full (1, g_object_unref); - g_ptr_array_add (array, g_object_ref (get_header_from_column ( (cell_info->cell_col_ref)))); - return array; -} - -static void -gtk_cell_accessible_parent_interface_init (GtkCellAccessibleParentIface *iface) -{ - iface->get_cell_extents = gtk_tree_view_accessible_get_cell_extents; - iface->get_cell_area = gtk_tree_view_accessible_get_cell_area; - iface->grab_focus = gtk_tree_view_accessible_grab_cell_focus; - iface->get_child_index = gtk_tree_view_accessible_get_child_index; - iface->get_renderer_state = gtk_tree_view_accessible_get_renderer_state; - iface->expand_collapse = gtk_tree_view_accessible_expand_collapse; - iface->activate = gtk_tree_view_accessible_activate; - iface->edit = gtk_tree_view_accessible_edit; - iface->update_relationset = gtk_tree_view_accessible_update_relationset; - iface->get_cell_position = gtk_tree_view_accessible_get_cell_position; - iface->get_column_header_cells = gtk_tree_view_accessible_get_column_header_cells; -} - -void -_gtk_tree_view_accessible_reorder (GtkTreeView *treeview) -{ - GtkTreeViewAccessible *accessible; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (treeview))); - if (accessible == NULL) - return; - - g_signal_emit_by_name (accessible, "row-reordered"); -} - -static gboolean -is_cell_showing (GtkTreeView *tree_view, - GdkRectangle *cell_rect) -{ - GdkRectangle rect, *visible_rect; - GdkRectangle rect1, *tree_cell_rect; - int bx, by; - 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->y = cell_rect->y; - 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_convert_tree_to_bin_window_coords (tree_view, visible_rect->x, - visible_rect->y, &bx, &by); - - if (((tree_cell_rect->x + tree_cell_rect->width) < bx) || - ((tree_cell_rect->y + tree_cell_rect->height) < by) || - (tree_cell_rect->x > (bx + visible_rect->width)) || - (tree_cell_rect->y > (by + visible_rect->height))) - is_showing = FALSE; - else - is_showing = TRUE; - - return is_showing; -} - -/* Misc Private */ - -static int -cell_info_get_index (GtkTreeView *tree_view, - GtkTreeViewAccessibleCellInfo *info) -{ - int index; - - index = gtk_tree_rbtree_node_get_index (info->tree, info->node) + 1; - index *= get_n_columns (tree_view); - index += get_column_number (tree_view, info->cell_col_ref); - - return index; -} - -static void -cell_info_new (GtkTreeViewAccessible *self, - GtkTreeRBTree *tree, - GtkTreeRBNode *node, - GtkTreeViewColumn *tv_col, - GtkCellAccessible *cell) -{ - GtkTreeViewAccessiblePrivate *priv = gtk_tree_view_accessible_get_instance_private (self); - GtkTreeViewAccessibleCellInfo *cell_info; - - cell_info = g_new (GtkTreeViewAccessibleCellInfo, 1); - - cell_info->view = self; - cell_info->tree = tree; - cell_info->node = node; - cell_info->cell_col_ref = tv_col; - cell_info->cell = cell; - - g_object_set_qdata (G_OBJECT (cell), - gtk_tree_view_accessible_get_data_quark (), - cell_info); - - g_hash_table_replace (priv->cell_infos, cell_info, cell_info); -} - -/* Returns the column number of the specified GtkTreeViewColumn - * The column must be visible. - */ -static int -get_column_number (GtkTreeView *treeview, - GtkTreeViewColumn *column) -{ - GtkTreeViewColumn *cur; - guint i, number; - - number = 0; - - for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++) - { - cur = gtk_tree_view_get_column (treeview, i); - - if (!gtk_tree_view_column_get_visible (cur)) - continue; - - if (cur == column) - break; - - number++; - } - - g_return_val_if_fail (i < gtk_tree_view_get_n_columns (treeview), 0); - - return number; -} - -static gboolean -get_rbtree_column_from_index (GtkTreeView *tree_view, - int index, - GtkTreeRBTree **tree, - GtkTreeRBNode **node, - GtkTreeViewColumn **column) -{ - guint n_columns = get_n_columns (tree_view); - - if (n_columns == 0) - return FALSE; - /* First row is the column headers */ - index -= n_columns; - if (index < 0) - return FALSE; - - if (tree) - { - g_return_val_if_fail (node != NULL, FALSE); - - if (!gtk_tree_rbtree_find_index (_gtk_tree_view_get_rbtree (tree_view), - index / n_columns, - tree, - node)) - return FALSE; - } - - if (column) - { - *column = get_visible_column (tree_view, index % n_columns); - if (*column == NULL) - return FALSE; - } - return TRUE; -} - -static GtkTreeViewAccessibleCellInfo * -find_cell_info (GtkTreeViewAccessible *accessible, - GtkCellAccessible *cell) -{ - AtkObject *parent; - - parent = atk_object_get_parent (ATK_OBJECT (cell)); - while (parent != ATK_OBJECT (accessible)) - { - cell = GTK_CELL_ACCESSIBLE (parent); - parent = atk_object_get_parent (ATK_OBJECT (cell)); - } - - return g_object_get_qdata (G_OBJECT (cell), - gtk_tree_view_accessible_get_data_quark ()); -} - -static AtkObject * -get_header_from_column (GtkTreeViewColumn *tv_col) -{ - AtkObject *rc; - GtkWidget *header_widget; - - if (tv_col == NULL) - return NULL; - - header_widget = gtk_tree_view_column_get_button (tv_col); - - if (header_widget) - rc = gtk_widget_get_accessible (header_widget); - else - rc = NULL; - - return rc; -} - -void -_gtk_tree_view_accessible_add (GtkTreeView *treeview, - GtkTreeRBTree *tree, - GtkTreeRBNode *node) -{ - GtkTreeViewAccessible *accessible; - guint row, n_rows, n_cols, i; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (treeview))); - if (accessible == NULL) - return; - - if (node == NULL) - { - row = tree->parent_tree ? gtk_tree_rbtree_node_get_index (tree->parent_tree, tree->parent_node) : 0; - n_rows = tree->root->total_count; - } - else - { - row = gtk_tree_rbtree_node_get_index (tree, node); - n_rows = 1 + (node->children ? node->children->root->total_count : 0); - } - - g_signal_emit_by_name (accessible, "row-inserted", row, n_rows); - - n_cols = get_n_columns (treeview); - if (n_cols) - { - for (i = (row + 1) * n_cols; i < (row + n_rows + 1) * n_cols; i++) - { - /* Pass NULL as the child object, i.e. 4th argument */ - g_signal_emit_by_name (accessible, "children-changed::add", i, NULL, NULL); - } - } -} - -void -_gtk_tree_view_accessible_remove (GtkTreeView *treeview, - GtkTreeRBTree *tree, - GtkTreeRBNode *node) -{ - GtkTreeViewAccessibleCellInfo *cell_info; - GHashTableIter iter; - GtkTreeViewAccessible *accessible; - GtkTreeViewAccessiblePrivate *priv; - guint row, n_rows, n_cols, i; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (treeview))); - if (accessible == NULL) - return; - - priv = gtk_tree_view_accessible_get_instance_private (accessible); - - /* if this shows up in profiles, special-case node->children == NULL */ - - if (node == NULL) - { - row = tree->parent_tree ? gtk_tree_rbtree_node_get_index (tree->parent_tree, tree->parent_node) : 0; - n_rows = tree->root->total_count + 1; - } - else - { - row = gtk_tree_rbtree_node_get_index (tree, node); - n_rows = 1 + (node->children ? node->children->root->total_count : 0); - - tree = node->children; - } - - g_signal_emit_by_name (accessible, "row-deleted", row, n_rows); - - n_cols = get_n_columns (treeview); - if (n_cols) - { - for (i = (n_rows + row + 1) * n_cols - 1; i >= (row + 1) * n_cols; i--) - { - /* Pass NULL as the child object, i.e. 4th argument */ - g_signal_emit_by_name (accessible, "children-changed::remove", i, NULL, NULL); - } - - g_hash_table_iter_init (&iter, priv->cell_infos); - while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&cell_info)) - { - if (node == cell_info->node || - tree == cell_info->tree || - (tree && gtk_tree_rbtree_contains (tree, cell_info->tree))) - g_hash_table_iter_remove (&iter); - } - } -} - -void -_gtk_tree_view_accessible_changed (GtkTreeView *treeview, - GtkTreeRBTree *tree, - GtkTreeRBNode *node) -{ - GtkTreeViewAccessible *accessible; - guint i; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (treeview))); - if (accessible == NULL) - return; - - for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++) - { - GtkCellAccessible *cell = peek_cell (accessible, - tree, node, - gtk_tree_view_get_column (treeview, i)); - - if (cell == NULL) - continue; - - set_cell_data (treeview, accessible, cell); - _gtk_cell_accessible_update_cache (cell, TRUE); - } - - g_signal_emit_by_name (accessible, "visible-data-changed"); -} - -/* NB: id is not checked, only columns < id are. - * This is important so the function works for notification of removal of a column */ -static guint -to_visible_column_id (GtkTreeView *treeview, - guint id) -{ - guint i; - guint invisible; - - invisible = 0; - - for (i = 0; i < id; i++) - { - GtkTreeViewColumn *column = gtk_tree_view_get_column (treeview, i); - - if (!gtk_tree_view_column_get_visible (column)) - invisible++; - } - - return id - invisible; -} - -static void -gtk_tree_view_accessible_do_add_column (GtkTreeViewAccessible *accessible, - GtkTreeView *treeview, - GtkTreeViewColumn *column, - guint id) -{ - guint row, n_rows, n_cols; - - /* Generate column-inserted signal */ - g_signal_emit_by_name (accessible, "column-inserted", id, 1); - - n_rows = get_n_rows (treeview); - n_cols = get_n_columns (treeview); - - /* Generate children-changed signals */ - for (row = 0; row <= n_rows; row++) - { - /* Pass NULL as the child object, i.e. 4th argument */ - g_signal_emit_by_name (accessible, "children-changed::add", - (row * n_cols) + id, NULL, NULL); - } -} - -void -_gtk_tree_view_accessible_add_column (GtkTreeView *treeview, - GtkTreeViewColumn *column, - guint id) -{ - AtkObject *obj; - - if (!gtk_tree_view_column_get_visible (column)) - return; - - obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview)); - if (obj == NULL) - return; - - gtk_tree_view_accessible_do_add_column (GTK_TREE_VIEW_ACCESSIBLE (obj), - treeview, - column, - to_visible_column_id (treeview, id)); -} - -static void -gtk_tree_view_accessible_do_remove_column (GtkTreeViewAccessible *self, - GtkTreeView *treeview, - GtkTreeViewColumn *column, - guint id) -{ - GtkTreeViewAccessiblePrivate *priv = gtk_tree_view_accessible_get_instance_private (self); - GtkTreeViewAccessibleCellInfo *cell_info; - GHashTableIter iter; - gpointer value; - guint row, n_rows, n_cols; - - /* Clean column from cache */ - g_hash_table_iter_init (&iter, priv->cell_infos); - while (g_hash_table_iter_next (&iter, NULL, &value)) - { - cell_info = value; - if (cell_info->cell_col_ref == column) - g_hash_table_iter_remove (&iter); - } - - /* Generate column-deleted signal */ - g_signal_emit_by_name (self, "column-deleted", id, 1); - - n_rows = get_n_rows (treeview); - n_cols = get_n_columns (treeview); - - /* Generate children-changed signals */ - for (row = 0; row <= n_rows; row++) - { - /* Pass NULL as the child object, 4th argument */ - g_signal_emit_by_name (self, "children-changed::remove", - (row * n_cols) + id, NULL, NULL); - } -} - -void -_gtk_tree_view_accessible_remove_column (GtkTreeView *treeview, - GtkTreeViewColumn *column, - guint id) -{ - AtkObject *obj; - - if (!gtk_tree_view_column_get_visible (column)) - return; - - obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview)); - if (obj == NULL) - return; - - gtk_tree_view_accessible_do_remove_column (GTK_TREE_VIEW_ACCESSIBLE (obj), - treeview, - column, - to_visible_column_id (treeview, id)); -} - -void -_gtk_tree_view_accessible_reorder_column (GtkTreeView *treeview, - GtkTreeViewColumn *column) -{ - AtkObject *obj; - - obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview)); - if (obj == NULL) - return; - - g_signal_emit_by_name (obj, "column-reordered"); -} - -void -_gtk_tree_view_accessible_toggle_visibility (GtkTreeView *treeview, - GtkTreeViewColumn *column) -{ - AtkObject *obj; - guint i, id; - - obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview)); - if (obj == NULL) - return; - - if (gtk_tree_view_column_get_visible (column)) - { - id = get_column_number (treeview, column); - - gtk_tree_view_accessible_do_add_column (GTK_TREE_VIEW_ACCESSIBLE (obj), - treeview, - column, - id); - } - else - { - id = 0; - - for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++) - { - GtkTreeViewColumn *cur = gtk_tree_view_get_column (treeview, i); - - if (gtk_tree_view_column_get_visible (cur)) - id++; - - if (cur == column) - break; - } - - gtk_tree_view_accessible_do_remove_column (GTK_TREE_VIEW_ACCESSIBLE (obj), - treeview, - column, - id); - } -} - -static GtkTreeViewColumn * -get_effective_focus_column (GtkTreeView *treeview, - GtkTreeViewColumn *column) -{ - if (column == NULL && get_n_columns (treeview) > 0) - column = get_visible_column (treeview, 0); - - return column; -} - -void -_gtk_tree_view_accessible_update_focus_column (GtkTreeView *treeview, - GtkTreeViewColumn *old_focus, - GtkTreeViewColumn *new_focus) -{ - GtkTreeViewAccessible *accessible; - AtkObject *obj; - GtkTreeRBTree *cursor_tree; - GtkTreeRBNode *cursor_node; - GtkCellAccessible *cell; - - old_focus = get_effective_focus_column (treeview, old_focus); - new_focus = get_effective_focus_column (treeview, new_focus); - if (old_focus == new_focus) - return; - - obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview)); - if (obj == NULL) - return; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (obj); - - if (!_gtk_tree_view_get_cursor_node (treeview, &cursor_tree, &cursor_node)) - return; - - if (old_focus) - { - cell = peek_cell (accessible, cursor_tree, cursor_node, old_focus); - if (cell != NULL) - _gtk_cell_accessible_state_changed (cell, GTK_CELL_RENDERER_FOCUSED, 0); - } - - if (new_focus) - { - cell = peek_cell (accessible, cursor_tree, cursor_node, new_focus); - if (cell != NULL) - _gtk_cell_accessible_state_changed (cell, 0, GTK_CELL_RENDERER_FOCUSED); - else - cell = create_cell (treeview, accessible, cursor_tree, cursor_node, new_focus); - - g_signal_emit_by_name (accessible, "active-descendant-changed", cell); - } -} - -void -_gtk_tree_view_accessible_add_state (GtkTreeView *treeview, - GtkTreeRBTree *tree, - GtkTreeRBNode *node, - GtkCellRendererState state) -{ - GtkTreeViewAccessible *accessible; - GtkTreeViewColumn *single_column; - AtkObject *obj; - guint i; - - obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview)); - if (obj == NULL) - return; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (obj); - - if (state == GTK_CELL_RENDERER_FOCUSED) - { - single_column = get_effective_focus_column (treeview, _gtk_tree_view_get_focus_column (treeview)); - } - else if (state == GTK_CELL_RENDERER_EXPANDED || - state == GTK_CELL_RENDERER_EXPANDABLE) - { - single_column = gtk_tree_view_get_expander_column (treeview); - } - else - single_column = NULL; - - if (single_column) - { - GtkCellAccessible *cell = peek_cell (accessible, - tree, node, - single_column); - - if (cell != NULL) - _gtk_cell_accessible_state_changed (cell, state, 0); - - if (state == GTK_CELL_RENDERER_FOCUSED) - { - if (cell == NULL) - cell = create_cell (treeview, accessible, tree, node, single_column); - - g_signal_emit_by_name (accessible, "active-descendant-changed", cell); - } - } - else - { - for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++) - { - GtkCellAccessible *cell = peek_cell (accessible, - tree, node, - gtk_tree_view_get_column (treeview, i)); - - if (cell == NULL) - continue; - - _gtk_cell_accessible_state_changed (cell, state, 0); - } - } - - if (state == GTK_CELL_RENDERER_SELECTED) - g_signal_emit_by_name (accessible, "selection-changed"); -} - -void -_gtk_tree_view_accessible_remove_state (GtkTreeView *treeview, - GtkTreeRBTree *tree, - GtkTreeRBNode *node, - GtkCellRendererState state) -{ - GtkTreeViewAccessible *accessible; - GtkTreeViewColumn *single_column; - AtkObject *obj; - guint i; - - obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview)); - if (obj == NULL) - return; - - accessible = GTK_TREE_VIEW_ACCESSIBLE (obj); - - if (state == GTK_CELL_RENDERER_FOCUSED) - { - single_column = get_effective_focus_column (treeview, _gtk_tree_view_get_focus_column (treeview)); - } - else if (state == GTK_CELL_RENDERER_EXPANDED || - state == GTK_CELL_RENDERER_EXPANDABLE) - { - single_column = gtk_tree_view_get_expander_column (treeview); - } - else - single_column = NULL; - - if (single_column) - { - GtkCellAccessible *cell = peek_cell (accessible, - tree, node, - single_column); - - if (cell != NULL) - _gtk_cell_accessible_state_changed (cell, 0, state); - } - else - { - for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++) - { - GtkCellAccessible *cell = peek_cell (accessible, - tree, node, - gtk_tree_view_get_column (treeview, i)); - - if (cell == NULL) - continue; - - _gtk_cell_accessible_state_changed (cell, 0, state); - } - } - - if (state == GTK_CELL_RENDERER_SELECTED) - g_signal_emit_by_name (accessible, "selection-changed"); -} |