Bug 761330: Gimp Drop Shadow window always opens...

...behind main window on windows

Windows requires that the process with the
foreground window explicitely allows long
lasting background processes showing their
windows as foreground/focused

app/plug-in/gimppluginmanager-call.c

@@ -22,6 +22,10 @@
 #include <gdk-pixbuf/gdk-pixbuf.h>
 #include <gegl.h>
 
+#ifdef G_OS_WIN32
+#include <windows.h>
+#endif
+
 #include "libgimpbase/gimpbase.h"
 #include "libgimpbase/gimpprotocol.h"
 #include "libgimpbase/gimpwire.h"
@@ -49,6 +53,14 @@
 #include "gimp-intl.h"
 
 
+static void
+gimp_allow_set_foreground_window (GimpPlugIn *plug_in)
+{
+#ifdef G_OS_WIN32
+  AllowSetForegroundWindow (GetProcessId (plug_in->pid));
+#endif
+}
+
 /*  public functions  */
 
 void
@@ -330,6 +342,7 @@ gimp_plug_in_manager_call_run_temp (GimpPlugInManager      *manager,
 
           return return_vals;
         }
+      gimp_allow_set_foreground_window (plug_in);
 
       g_free (proc_run.params);
 

plug-ins/script-fu/script-fu-interface.c

@@ -24,6 +24,8 @@
 
 #ifdef GDK_WINDOWING_QUARTZ
 #import <Cocoa/Cocoa.h>
+#elif defined (G_OS_WIN32)
+#include <windows.h>
 #endif
 
 #include "tinyscheme/scheme-private.h"
@@ -584,11 +586,20 @@ script_fu_interface (SFScript  *script,
   gtk_box_pack_start (GTK_BOX (vbox2), sf_interface->progress_label,
                       FALSE, FALSE, 0);
   gtk_widget_show (sf_interface->progress_label);
+#ifdef G_OS_WIN32
+    {
+      HWND foreground = GetForegroundWindow ();
+#endif
 
   gtk_widget_show (dialog);
 
   gtk_main ();
 
+#ifdef G_OS_WIN32
+      if (! GetForegroundWindow ())
+        SetForegroundWindow (foreground);
+    }
+#endif
   return sf_status;
 }