Add compatibility for GTK 3.14

1 files changed, 102 insertions, 0 deletions

diff --git a/applets/notification_area/status-notifier/sn-compat-gtk-3.22.h b/applets/notification_area/status-notifier/sn-compat-gtk-3.22.h
new file mode 100644
index 00000000..1f05519b
--- /dev/null
+++ b/applets/notification_area/status-notifier/sn-compat-gtk-3.22.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2016 Colomban Wendling <[email protected]>
+ *
+ * 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