[gimp] app: return from gimp_display_shell_space_pressed() immediately when...

[Jehan Pagès <jehanp src gnome org>]

commit 8aaf77ba1100f9b3dcc49569f48e1d98c9874af8
Author: Jehan <jehan girinstud io>
Date:   Fri Mar 16 19:32:10 2018 +0100

    app: return from gimp_display_shell_space_pressed() immediately when...
    
    ... scrolling in progress.
    In particular, this could happen while panning with mouse middle click
    and hitting space. This space should simply be ignored.

 app/display/gimpdisplayshell-tool-events.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/display/gimpdisplayshell-tool-events.c b/app/display/gimpdisplayshell-tool-events.c
index c72690f..da4d7ba 100644
--- a/app/display/gimpdisplayshell-tool-events.c
+++ b/app/display/gimpdisplayshell-tool-events.c
@@ -1580,7 +1580,7 @@ gimp_display_shell_space_pressed (GimpDisplayShell *shell,
 {
   Gimp *gimp = gimp_display_get_gimp (shell->display);
 
-  if (shell->space_release_pending)
+  if (shell->space_release_pending || shell->scrolling)
     return;
 
   if (! gimp_display_shell_keyboard_grab (shell, event))