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treemenu: Implement height-for-width properly

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This commit is contained in:
Benjamin Otte 2013-11-21 16:24:27 +01:00
parent 9d7a442b8b
commit 46ed450a29
1 changed files with 53 additions and 0 deletions
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53
gtk/gtktreemenu.c
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@ -73,6 +73,14 @@ static void gtk_tree_menu_get_preferred_width (GtkWidget
static void gtk_tree_menu_get_preferred_height (GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
static void gtk_tree_menu_get_preferred_width_for_height (GtkWidget *widget,
gint for_height,
gint *minimum_size,
gint *natural_size);
static void gtk_tree_menu_get_preferred_height_for_width (GtkWidget *widget,
gint for_width,
gint *minimum_size,
gint *natural_size);
/* GtkCellLayoutIface */
static void gtk_tree_menu_cell_layout_init (GtkCellLayoutIface *iface);
@ -227,6 +235,8 @@ _gtk_tree_menu_class_init (GtkTreeMenuClass *class)
widget_class->get_preferred_width = gtk_tree_menu_get_preferred_width;
widget_class->get_preferred_height = gtk_tree_menu_get_preferred_height;
widget_class->get_preferred_width_for_height = gtk_tree_menu_get_preferred_width_for_height;
widget_class->get_preferred_height_for_width = gtk_tree_menu_get_preferred_height_for_width;
/*
* GtkTreeMenu::menu-activate:
@ -617,6 +627,49 @@ gtk_tree_menu_get_preferred_height (GtkWidget *widget,
g_signal_handler_unblock (priv->context, priv->size_changed_id);
}
static void
gtk_tree_menu_get_preferred_width_for_height (GtkWidget *widget,
gint for_height,
gint *minimum_size,
gint *natural_size)
{
GtkTreeMenu *menu = GTK_TREE_MENU (widget);
GtkTreeMenuPrivate *priv = menu->priv;
/* We leave the requesting work up to the cellviews which operate in the same
* context, reserving space for the submenu indicator if any of the items have
* submenus ensures that every cellview will receive the same allocated width.
*
* Since GtkMenu does hieght-for-width correctly, we know that the width of
* every cell will be requested before the height-for-widths are requested.
*/
g_signal_handler_block (priv->context, priv->size_changed_id);
sync_reserve_submenu_size (menu);
GTK_WIDGET_CLASS (_gtk_tree_menu_parent_class)->get_preferred_width_for_height (widget, for_height, minimum_size, natural_size);
g_signal_handler_unblock (priv->context, priv->size_changed_id);
}
static void
gtk_tree_menu_get_preferred_height_for_width (GtkWidget *widget,
gint for_width,
gint *minimum_size,
gint *natural_size)
{
GtkTreeMenu *menu = GTK_TREE_MENU (widget);
GtkTreeMenuPrivate *priv = menu->priv;
g_signal_handler_block (priv->context, priv->size_changed_id);
sync_reserve_submenu_size (menu);
GTK_WIDGET_CLASS (_gtk_tree_menu_parent_class)->get_preferred_height_for_width (widget, for_width, minimum_size, natural_size);
g_signal_handler_unblock (priv->context, priv->size_changed_id);
}
/****************************************************************
* GtkCellLayoutIface *
****************************************************************/