static void selection_changed_cb (GtkTreeSelection *selection,
gpointer data);
-static void columns_changed (GtkTreeView *tree_view);
static void cursor_changed (GtkTreeView *tree_view,
GtkTreeViewAccessible *accessible);
static gboolean focus_in (GtkWidget *widget);
static gboolean focus_out (GtkWidget *widget);
-static void column_visibility_changed
- (GObject *object,
- GParamSpec *param,
- gpointer user_data);
static void destroy_count_func (GtkTreeView *tree_view,
GtkTreePath *path,
gint count,
GtkTreeViewAccessible *accessible;
GtkTreeView *tree_view;
GtkTreeModel *tree_model;
- GList *tv_cols, *tmp_list;
GtkWidget *widget;
GtkTreeSelection *selection;
ATK_OBJECT_CLASS (_gtk_tree_view_accessible_parent_class)->initialize (obj, data);
accessible = GTK_TREE_VIEW_ACCESSIBLE (obj);
- accessible->col_data = NULL;
accessible->focus_cell = NULL;
accessible->old_hadj = NULL;
accessible->old_vadj = NULL;
g_signal_connect (selection, "changed",
G_CALLBACK (selection_changed_cb), obj);
- g_signal_connect (tree_view, "columns-changed",
- G_CALLBACK (columns_changed), NULL);
g_signal_connect (tree_view, "cursor-changed",
G_CALLBACK (cursor_changed), accessible);
g_signal_connect (tree_view, "focus-in-event",
G_CALLBACK (focus_out), NULL);
accessible->tree_model = tree_model;
- accessible->n_cols = 0;
if (tree_model)
{
g_object_add_weak_pointer (G_OBJECT (accessible->tree_model), (gpointer *)&accessible->tree_model);
g_signal_connect (widget, "notify::vadjustment",
G_CALLBACK (vadjustment_set_cb), accessible);
- accessible->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)
- {
- accessible->n_cols++;
- g_signal_connect (tmp_list->data, "notify::visible",
- G_CALLBACK (column_visibility_changed), tree_view);
- g_array_append_val (accessible->col_data, tmp_list->data);
- }
- g_list_free (tv_cols);
-
gtk_tree_view_set_destroy_count_func (tree_view,
destroy_count_func,
NULL, NULL);
if (accessible->cell_infos)
g_hash_table_destroy (accessible->cell_infos);
- if (accessible->col_data)
- {
- GArray *array = accessible->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 (_gtk_tree_view_accessible_parent_class)->finalize (object);
}
g_signal_emit_by_name (accessible, "selection-changed");
}
-static void
-columns_changed (GtkTreeView *tree_view)
-{
- AtkObject *atk_obj;
- GtkTreeViewAccessible *accessible;
- GList *tv_cols, *tmp_list;
- gboolean column_found;
- gboolean move_found = FALSE;
- gint column_count = 0;
- gint i;
-
- atk_obj = gtk_widget_get_accessible (GTK_WIDGET(tree_view));
- accessible = GTK_TREE_VIEW_ACCESSIBLE (atk_obj);
-
- /* This function must determine if the change is an add, delete
- * or a move based upon its cache of TreeViewColumns in
- * accessible->col_data
- */
- tv_cols = gtk_tree_view_get_columns (tree_view);
- accessible->n_cols = g_list_length (tv_cols);
-
- /* check for adds or moves */
- for (tmp_list = tv_cols; tmp_list; tmp_list = tmp_list->next)
- {
- column_found = FALSE;
-
- for (i = 0; i < accessible->col_data->len; i++)
- {
-
- if ((GtkTreeViewColumn *)tmp_list->data ==
- (GtkTreeViewColumn *)g_array_index (accessible->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)
- {
- /* 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 row;
-
- /* Generate column-inserted signal */
- g_signal_emit_by_name (atk_obj, "column-inserted", column_count, 1);
-
- /* Generate children-changed signals */
- for (row = 0; row < get_n_rows (tree_view); row++)
- {
- /* Pass NULL as the child object, i.e. 4th argument */
- g_signal_emit_by_name (atk_obj, "children-changed::add",
- ((row * accessible->n_cols) + column_count), NULL, NULL);
- }
- }
-
- column_count++;
- }
-
- /* check for deletes */
- for (i = 0; i < accessible->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 (accessible->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 row;
-
- clean_cols (accessible,
- (GtkTreeViewColumn *)g_array_index (accessible->col_data,
- GtkTreeViewColumn *, i));
-
- /* Generate column-deleted signal */
- g_signal_emit_by_name (atk_obj, "column-deleted", i, 1);
-
- /* Generate children-changed signals */
- for (row = 0; row < get_n_rows (tree_view); row++)
- {
- /* Pass NULL as the child object, 4th argument */
- g_signal_emit_by_name (atk_obj, "children-changed::remove",
- ((row * accessible->n_cols) + column_count), NULL, NULL);
- }
- }
- }
-
- traverse_cells (accessible, NULL, FALSE);
-
- /* rebuild the array */
- g_array_free (accessible->col_data, TRUE);
- accessible->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 (accessible->col_data, tmp_list->data);
- g_list_free (tv_cols);
-}
-
static void
cursor_changed (GtkTreeView *tree_view,
GtkTreeViewAccessible *accessible)
g_signal_emit_by_name (accessible, "visible-data-changed");
}
-static void
-column_visibility_changed (GObject *object,
- GParamSpec *pspec,
- gpointer user_data)
-{
- if (g_strcmp0 (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;
- GtkTreeViewAccessible *accessible;
- GtkTreeViewAccessibleCellInfo *cell_info;
- GtkTreeViewColumn *this_col = GTK_TREE_VIEW_COLUMN (object);
- GtkTreeViewColumn *tv_col;
- GHashTableIter iter;
-
- accessible = GTK_TREE_VIEW_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (tree_view))
-);
- g_signal_emit_by_name (accessible, "model-changed");
-
- g_hash_table_iter_init (&iter, accessible->cell_infos);
- while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&cell_info))
- {
- tv_col = cell_info->cell_col_ref;
- if (tv_col == this_col)
- {
- GtkTreePath *row_path;
- row_path = cell_info_get_path (cell_info);
- if (GTK_IS_RENDERER_CELL_ACCESSIBLE (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
- {
- _gtk_cell_accessible_remove_state (cell_info->cell, ATK_STATE_VISIBLE, TRUE);
- _gtk_cell_accessible_remove_state (cell_info->cell, ATK_STATE_SHOWING, TRUE);
- }
- }
- gtk_tree_path_free (row_path);
- }
- }
- }
-}
-
static void
model_row_inserted (GtkTreeModel *tree_model,
GtkTreePath *path,
}
/* 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.
+ * The column must be visible.
*/
static gint
-get_column_number (GtkTreeView *tree_view,
+get_column_number (GtkTreeView *treeview,
GtkTreeViewColumn *column)
{
- GtkTreeViewColumn *tv_column;
- gint ret_val;
- gint i;
- AtkObject *atk_obj;
- GtkTreeViewAccessible *accessible;
+ GtkTreeViewColumn *cur;
+ guint i, number;
- atk_obj = gtk_widget_get_accessible (GTK_WIDGET (tree_view));
- accessible = GTK_TREE_VIEW_ACCESSIBLE (atk_obj);
+ number = 0;
- ret_val = 0;
- for (i = 0; i < accessible->col_data->len; i++)
+ for (i = 0; i < gtk_tree_view_get_n_columns (treeview); i++)
{
- tv_column = g_array_index (accessible->col_data, GtkTreeViewColumn *, i);
- if (tv_column == column)
+ cur = gtk_tree_view_get_column (treeview, i);
+
+ if (!gtk_tree_view_column_get_visible (cur))
+ continue;
+
+ if (cur == column)
break;
- ret_val++;
+
+ number++;
}
- if (i == accessible->col_data->len)
- ret_val = -1;
- return ret_val;
+ g_return_val_if_fail (i < gtk_tree_view_get_n_columns (treeview), 0);
+
+ return number;
}
static gint
}
}
+/* NB: id is not checked, only columns < id are.
+ * This is important so the function works for notification of removal of a column */
+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;
+}
+
+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);
+ }
+
+ traverse_cells (accessible, NULL, FALSE);
+}
+
+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));
+}
+
+void
+_gtk_tree_view_accessible_do_remove_column (GtkTreeViewAccessible *accessible,
+ GtkTreeView *treeview,
+ GtkTreeViewColumn *column,
+ guint id)
+{
+ guint row, n_rows, n_cols;
+
+ clean_cols (accessible, column);
+
+ /* Generate column-deleted signal */
+ g_signal_emit_by_name (accessible, "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 (accessible, "children-changed::remove",
+ (row * n_cols) + id, NULL, NULL);
+ }
+
+ traverse_cells (accessible, NULL, FALSE);
+}
+
+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");
+
+ traverse_cells (GTK_TREE_VIEW_ACCESSIBLE (obj), NULL, FALSE);
+}
+
+void
+_gtk_tree_view_accessible_toggle_visibility (GtkTreeView *treeview,
+ GtkTreeViewColumn *column)
+{
+ AtkObject *obj;
+ guint id;
+
+ obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
+ if (obj == NULL)
+ return;
+
+ id = get_column_number (treeview, column);
+
+ if (gtk_tree_view_column_get_visible (column))
+ _gtk_tree_view_accessible_do_add_column (GTK_TREE_VIEW_ACCESSIBLE (obj),
+ treeview,
+ column,
+ id);
+ else
+ _gtk_tree_view_accessible_do_remove_column (GTK_TREE_VIEW_ACCESSIBLE (obj),
+ treeview,
+ column,
+ id);
+}
projects / gtk4.git / commitdiff