[gimp/metadata-browser] libgimpwidgets: don't hardcode GDK_MOD2_MASK for extended clicked

[Roman Joost <romanofski src gnome org>]

commit bfcd349620dc0d076ec4e623badd4cd6d5b8cacb
Author: Michael Natterer <mitch gimp org>
Date:   Sun Oct 9 23:59:40 2011 +0200

    libgimpwidgets: don't hardcode GDK_MOD2_MASK for extended clicked
    
    Instead, check for all sorts of modifiers from the new
    gtk_widget_get_modifier_mask(), which are always right
    on the current platform.

 libgimpwidgets/gimpbutton.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/libgimpwidgets/gimpbutton.c b/libgimpwidgets/gimpbutton.c
index 92e9f7c..ccc8987 100644
--- a/libgimpwidgets/gimpbutton.c
+++ b/libgimpwidgets/gimpbutton.c
@@ -26,6 +26,7 @@
 #include "gimpwidgetstypes.h"
 
 #include "gimpbutton.h"
+#include "gimp3migration.h"
 
 
 /**
@@ -144,7 +145,13 @@ static void
 gimp_button_clicked (GtkButton *button)
 {
   if (GIMP_BUTTON (button)->press_state &
-      (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK | GDK_MOD2_MASK))
+      (GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK |
+       gtk_widget_get_modifier_mask (GTK_WIDGET (button),
+                                     GDK_MODIFIER_INTENT_PRIMARY_ACCELERATOR) |
+       gtk_widget_get_modifier_mask (GTK_WIDGET (button),
+                                     GDK_MODIFIER_INTENT_EXTEND_SELECTION) |
+       gtk_widget_get_modifier_mask (GTK_WIDGET (button),
+                                     GDK_MODIFIER_INTENT_MODIFY_SELECTION)))
     {
       g_signal_stop_emission_by_name (button, "clicked");