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added a utility function that positions a menu that pops up from a button

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2003-09-23  Sven Neumann  <sven@gimp.org>

	* app/widgets/gimpwidgets-utils.[ch]: added a utility function
	that positions a menu that pops up from a button widget.

	* app/display/gimpdisplayshell-callbacks.c
	* app/widgets/gimpdockable.c: use the new utility function instead
	of duplicating the code.
This commit is contained in:
Sven Neumann
2003-09-23 20:27:12 +00:00
committed by Sven Neumann
parent a46b9f3380
commit e0f2efdc29
5 changed files with 115 additions and 98 deletions
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72
app/widgets/gimpwidgets-utils.c
View File

@ -275,6 +275,78 @@ gimp_menu_position (GtkMenu *menu,
*y = MAX (*y, 0);
}
/**
* gimp_button_menu_position:
* @button: a button widget to popup the menu from
* @menu: the menu to position
* @position: the preferred popup direction for the menu (left or right)
* @x: return location for x coordinate
* @y: return location for y coordinate
*
* Utility function to position a menu that pops up from a button.
**/
void
gimp_button_menu_position (GtkWidget *button,
GtkMenu *menu,
GtkPositionType position,
gint *x,
gint *y)
{
GdkScreen *screen;
GtkRequisition menu_requisition;
g_return_if_fail (GTK_WIDGET_REALIZED (button));
g_return_if_fail (GTK_IS_MENU (menu));
g_return_if_fail (x != NULL);
g_return_if_fail (y != NULL);
if (gtk_widget_get_direction (button) == GTK_TEXT_DIR_RTL)
{
switch (position)
{
case GTK_POS_LEFT: position = GTK_POS_RIGHT; break;
case GTK_POS_RIGHT: position = GTK_POS_LEFT; break;
default:
break;
}
}
screen = gtk_widget_get_screen (GTK_WIDGET (menu));
gdk_window_get_origin (button->window, x, y);
gtk_widget_size_request (GTK_WIDGET (menu), &menu_requisition);
*x += button->allocation.x;
switch (position)
{
case GTK_POS_LEFT:
*x -= menu_requisition.width;
if (*x < 0)
*x += menu_requisition.width + button->allocation.width;
break;
case GTK_POS_RIGHT:
*x += button->allocation.width;
if (*x + menu_requisition.width > gdk_screen_get_width (screen))
*x -= button->allocation.width + menu_requisition.width;
break;
default:
g_warning ("gimp_button_menu_position: "
"unhandled position (%d)", position);
break;
}
*y += button->allocation.y + button->allocation.height / 2;
if (*y + menu_requisition.height > gdk_screen_get_height (screen))
*y -= menu_requisition.height;
if (*y < 0)
*y = 0;
}
void
gimp_table_attach_stock (GtkTable *table,
gint row,