From ed7f14da5187297ee4fd1e57bb5d4d0f637f3abe Mon Sep 17 00:00:00 2001
From: Cosimo Cecchi <cosimo@endlessm.com>
Date: Thu, 29 Aug 2013 15:56:47 -0700
Subject: topbar: implement window dragging

Similar to how GtkToolbar does it.

[endlessm/eos-sdk#178]
---
 endless/eostopbar.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'endless/eostopbar.c')

diff --git a/endless/eostopbar.c b/endless/eostopbar.c
index 94cdb8e..4d6f42a 100644
--- a/endless/eostopbar.c
+++ b/endless/eostopbar.c
@@ -55,6 +55,32 @@ enum {
 
 static guint top_bar_signals[LAST_SIGNAL] = { 0 };
 
+static gboolean
+eos_top_bar_button_press_event (GtkWidget *widget,
+                                GdkEventButton *event)
+{
+  GtkWidget *window;
+
+  /* ignore right clicks */
+  if (gdk_event_triggers_context_menu ((GdkEvent *) event))
+    return FALSE;
+
+  /* ignore double clicks, etc */
+  if (event->type != GDK_BUTTON_PRESS)
+    return FALSE;
+
+  window = gtk_widget_get_toplevel (widget);
+  if (!window)
+    return FALSE;
+
+  gtk_window_begin_move_drag (GTK_WINDOW (window),
+                              event->button,
+                              event->x_root,
+                              event->y_root,
+                              event->time);
+  return TRUE;
+}
+
 static void
 eos_top_bar_get_preferred_height (GtkWidget *widget,
                                   int *minimum,
@@ -98,6 +124,7 @@ eos_top_bar_class_init (EosTopBarClass *klass)
 
   g_type_class_add_private (klass, sizeof (EosTopBarPrivate));
 
+  widget_class->button_press_event = eos_top_bar_button_press_event;
   widget_class->get_preferred_height = eos_top_bar_get_preferred_height;
   widget_class->draw = eos_top_bar_draw;
 
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