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a11y: Split out cell creation function

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This commit is contained in:
Benjamin Otte 2012-02-11 04:36:40 +01:00
parent 315ac9413b
commit bf8d9ceb2f
1 changed files with 91 additions and 80 deletions
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171
gtk/a11y/gtktreeviewaccessible.c
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@ -365,6 +365,94 @@ peek_cell (GtkTreeViewAccessible *accessible,
return cell_info->cell;
}
static GtkCellAccessible *
create_cell (GtkTreeView *treeview,
GtkTreeViewAccessible *accessible,
GtkRBTree *tree,
GtkRBNode *node,
GtkTreeViewColumn *column)
{
GtkCellRenderer *renderer;
AtkObject *parent;
GList *renderer_list;
GList *l;
GtkContainerCellAccessible *container = NULL;
GtkCellAccessible *cell;
renderer_list = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
/* If there is not exactly one renderer in the list,
* make a container
*/
if (renderer_list == NULL || renderer_list->next)
{
GtkCellAccessible *container_cell;
container = _gtk_container_cell_accessible_new ();
container_cell = GTK_CELL_ACCESSIBLE (container);
_gtk_cell_accessible_initialise (container_cell, GTK_WIDGET (treeview), ATK_OBJECT (accessible));
/* The GtkTreeViewAccessibleCellInfo 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 (accessible, tree, node, column, container_cell);
parent = ATK_OBJECT (container);
}
else
parent = ATK_OBJECT (accessible);
cell = NULL;
for (l = renderer_list; l; l = l->next)
{
renderer = GTK_CELL_RENDERER (l->data);
cell = GTK_CELL_ACCESSIBLE (_gtk_renderer_cell_accessible_new (renderer));
/* Create the GtkTreeViewAccessibleCellInfo for this cell */
if (parent == ATK_OBJECT (accessible))
cell_info_new (accessible, tree, node, column, cell);
_gtk_cell_accessible_initialise (cell, GTK_WIDGET (treeview), parent);
if (container)
_gtk_container_cell_accessible_add_child (container, cell);
}
g_list_free (renderer_list);
if (container)
cell = GTK_CELL_ACCESSIBLE (container);
set_cell_data (treeview, accessible, cell);
_gtk_cell_accessible_update_cache (cell);
if (gtk_tree_view_get_expander_column (treeview) == column)
{
AtkRelationSet *relation_set;
AtkRelation* relation;
AtkObject *parent_node;
relation_set = atk_object_ref_relation_set (ATK_OBJECT (cell));
if (tree->parent_tree)
{
parent_node = ATK_OBJECT (peek_cell (accessible, tree->parent_tree, tree->parent_node, column));
if (parent_node == NULL)
parent_node = ATK_OBJECT (create_cell (treeview, accessible, tree->parent_tree, tree->parent_node, column));
}
else
parent_node = ATK_OBJECT (accessible);
relation = atk_relation_new (&parent_node, 1, ATK_RELATION_NODE_CHILD_OF);
atk_relation_set_add (relation_set, relation);
atk_object_add_relationship (parent_node, ATK_RELATION_NODE_PARENT_OF, ATK_OBJECT (cell));
g_object_unref (relation);
g_object_unref (relation_set);
}
return cell;
}
static AtkObject *
gtk_tree_view_accessible_ref_child (AtkObject *obj,
gint i)
@ -373,15 +461,10 @@ gtk_tree_view_accessible_ref_child (AtkObject *obj,
GtkTreeViewAccessible *accessible;
GtkCellAccessible *cell;
GtkTreeView *tree_view;
GtkCellRenderer *renderer;
GtkTreeViewColumn *tv_col;
GtkRBTree *tree;
GtkRBNode *node;
AtkObject *child;
AtkObject *parent;
GList *renderer_list;
GList *l;
GtkContainerCellAccessible *container = NULL;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
@ -406,82 +489,10 @@ gtk_tree_view_accessible_ref_child (AtkObject *obj,
return NULL;
cell = peek_cell (accessible, tree, node, tv_col);
if (cell)
if (cell == NULL)
cell = create_cell (tree_view, accessible, tree, node, tv_col);
return g_object_ref (cell);
renderer_list = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (tv_col));
/* If there is not exactly one renderer in the list,
* make a container
*/
if (renderer_list == NULL || renderer_list->next)
{
GtkCellAccessible *container_cell;
container = _gtk_container_cell_accessible_new ();
container_cell = GTK_CELL_ACCESSIBLE (container);
_gtk_cell_accessible_initialise (container_cell, widget, ATK_OBJECT (accessible));
/* The GtkTreeViewAccessibleCellInfo 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 (accessible, tree, node, tv_col, container_cell);
parent = ATK_OBJECT (container);
}
else
parent = ATK_OBJECT (accessible);
child = NULL;
for (l = renderer_list; l; l = l->next)
{
renderer = GTK_CELL_RENDERER (l->data);
child = _gtk_renderer_cell_accessible_new (renderer);
cell = GTK_CELL_ACCESSIBLE (child);
/* Create the GtkTreeViewAccessibleCellInfo for this cell */
if (parent == ATK_OBJECT (accessible))
cell_info_new (accessible, tree, node, tv_col, cell);
_gtk_cell_accessible_initialise (cell, widget, parent);
if (container)
_gtk_container_cell_accessible_add_child (container, cell);
}
g_list_free (renderer_list);
if (container)
child = ATK_OBJECT (container);
set_cell_data (tree_view, accessible, GTK_CELL_ACCESSIBLE (child));
_gtk_cell_accessible_update_cache (GTK_CELL_ACCESSIBLE (child));
if (gtk_tree_view_get_expander_column (tree_view) == tv_col)
{
AtkRelationSet *relation_set;
AtkRelation* relation;
AtkObject *parent_node;
relation_set = atk_object_ref_relation_set (ATK_OBJECT (child));
if (tree->parent_tree)
{
/* XXX: force creation here */
parent_node = ATK_OBJECT (peek_cell (accessible, tree->parent_tree, tree->parent_node, tv_col));
}
else
parent_node = obj;
relation = atk_relation_new (&parent_node, 1, ATK_RELATION_NODE_CHILD_OF);
atk_relation_set_add (relation_set, relation);
atk_object_add_relationship (parent_node, ATK_RELATION_NODE_PARENT_OF, child);
g_object_unref (relation);
g_object_unref (relation_set);
}
return child;
}
static AtkStateSet*