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/*
* Copyright (C) 2016 Colomban Wendling <cwendling@hypra.fr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SN_COMPAT_GTK_3_22_H
#define SN_COMPAT_GTK_3_22_H
#include <gtk/gtk.h>
#include "sn-compat-gtk.h"
#if ! GTK_CHECK_VERSION (3, 22, 0)
G_BEGIN_DECLS
static inline void
sn_compat_gtk_menu_popup_at_widget_position_func (GtkMenu *menu,
gint *x,
gint *y,
gboolean *push_in,
gpointer widget)
{
GtkAllocation widget_alloc;
GtkRequisition menu_req;
GdkWindow *window;
GdkScreen *screen;
gint monitor_num;
GdkRectangle monitor;
gtk_widget_get_allocation (widget, &widget_alloc);
gtk_widget_get_preferred_size (GTK_WIDGET (menu), &menu_req, NULL);
window = gtk_widget_get_window (widget);
gdk_window_get_origin (window, x, y);
*x += widget_alloc.x;
*y += widget_alloc.y;
screen = gtk_widget_get_screen (widget);
monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y);
gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
/* put the menu on the left if we can't put it on the right */
if (*x + menu_req.width > monitor.x + monitor.width)
*x -= menu_req.width - widget_alloc.width;
/* and push it back in if all else failed */
if (*x < monitor.x)
*x = monitor.x;
/* put the menu above if we can't put it below */
if (*y + widget_alloc.height + menu_req.height > monitor.y + monitor.height)
*y -= menu_req.height;
else
*y += widget_alloc.height;
}
/* WARNING: Only supports anchoring the menu northwest to the widget
* southwest. */
static inline void
sn_compat_gtk_menu_popup_at_widget (GtkMenu *menu,
GtkWidget *widget,
GdkGravity widget_anchor,
GdkGravity menu_anchor,
const GdkEvent *trigger_event)
{
guint button = 0;
g_warn_if_fail (widget_anchor == GDK_GRAVITY_SOUTH_WEST);
g_warn_if_fail (menu_anchor == GDK_GRAVITY_NORTH_WEST);
if (! trigger_event)
trigger_event = gtk_get_current_event ();
g_return_if_fail (trigger_event != NULL);
gdk_event_get_button (trigger_event, &button);
gtk_menu_popup (menu, NULL, NULL,
sn_compat_gtk_menu_popup_at_widget_position_func,
widget, button, gdk_event_get_time (trigger_event));
}
#define gtk_menu_popup_at_widget sn_compat_gtk_menu_popup_at_widget
G_END_DECLS
#endif /* GTK version */
#endif
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