[gimp/metadata-browser] app: compress motion events up to the first release event

[Roman Joost <romanofski src gnome org>]

commit e9c3ac78dfd15cb03a39b5139dd7c6f8dbc96a7d
Author: Massimo Valentini <mvalentini src gnome org>
Date:   Sun Jun 24 13:23:11 2012 +0200

    app: compress motion events up to the first release event
    
    I'm not sure if it'd be better to compress only sequence
    of contiguous motion events, thinking to the case of anticipating
    a motion event before a modifier key press/release.

 app/display/gimpdisplayshell-tool-events.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/app/display/gimpdisplayshell-tool-events.c b/app/display/gimpdisplayshell-tool-events.c
index ae46e8b..6b8df80 100644
--- a/app/display/gimpdisplayshell-tool-events.c
+++ b/app/display/gimpdisplayshell-tool-events.c
@@ -944,6 +944,9 @@ gimp_display_shell_canvas_tool_events (GtkWidget        *canvas,
               }
           }
 
+        if (compressed_motion)
+          gdk_event_free (compressed_motion);
+
         return_val = TRUE;
       }
       break;
@@ -1794,6 +1797,17 @@ gimp_display_shell_compress_motion (GimpDisplayShell *shell)
 
           last_motion = event;
         }
+      else if ((gtk_get_event_widget (event) == shell->canvas) &&
+               (event->any.type == GDK_BUTTON_RELEASE))
+        {
+          requeued_events = g_list_prepend (requeued_events, event);
+
+          while (gdk_events_pending ())
+            if ((event = gdk_event_get ()))
+              requeued_events = g_list_prepend (requeued_events, event);
+
+          break;
+        }
       else
         {
           requeued_events = g_list_prepend (requeued_events, event);