[gimp] app: add a utility function that returns the "constrain" modifier

[Michael Natterer <mitch src gnome org>]

commit f4141d69428cf9584abd3d8066c49003e5b5c60b
Author: Michael Natterer <mitch gimp org>
Date:   Thu Oct 6 16:42:42 2011 +0200

    app: add a utility function that returns the "constrain" modifier

 app/widgets/gimpwidgets-utils.c |   10 ++++++++++
 app/widgets/gimpwidgets-utils.h |    1 +
 2 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/app/widgets/gimpwidgets-utils.c b/app/widgets/gimpwidgets-utils.c
index 4fd6b8d..b499c6a 100644
--- a/app/widgets/gimpwidgets-utils.c
+++ b/app/widgets/gimpwidgets-utils.c
@@ -697,6 +697,16 @@ gimp_get_toggle_behavior_mask (void)
                                        GDK_MODIFIER_INTENT_MODIFY_SELECTION);
 }
 
+GdkModifierType
+gimp_get_constrain_behavior_mask (void)
+{
+  GdkDisplay *display = gdk_display_get_default ();
+
+  /* use the modify selection modifier */
+  return gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
+                                       GDK_MODIFIER_INTENT_MODIFY_SELECTION);
+}
+
 /**
  * gimp_get_screen_resolution:
  * @screen: a #GdkScreen or %NULL
diff --git a/app/widgets/gimpwidgets-utils.h b/app/widgets/gimpwidgets-utils.h
index 894860f..6385250 100644
--- a/app/widgets/gimpwidgets-utils.h
+++ b/app/widgets/gimpwidgets-utils.h
@@ -63,6 +63,7 @@ GdkModifierType   gimp_replace_virtual_modifiers   (GdkModifierType       modifi
 GdkModifierType   gimp_get_extend_selection_mask   (void);
 GdkModifierType   gimp_get_modify_selection_mask   (void);
 GdkModifierType   gimp_get_toggle_behavior_mask    (void);
+GdkModifierType   gimp_get_constrain_behavior_mask (void);
 
 void              gimp_get_screen_resolution       (GdkScreen            *screen,
                                                     gdouble              *xres,