[gimp] Use gtk_widget_get_toplevel() to get to a display's "iconified" state

[Michael Natterer <mitch src gnome org>]

commit 639c42742989d7ab570d34863ac52b67593ab346
Author: Michael Natterer <mitch gimp org>
Date:   Wed Sep 23 15:14:53 2009 +0200

    Use gtk_widget_get_toplevel() to get to a display's "iconified" state
    
    Don't assume that shell->window is the toplevel GdkWindow, go thorugh
    gtk_widget_get_toplevel() instead.

 app/display/gimpdisplay-foreach.c       |    5 +++--
 app/display/gimpdisplayshell-progress.c |    5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/app/display/gimpdisplay-foreach.c b/app/display/gimpdisplay-foreach.c
index 1abbec4..661f6b1 100644
--- a/app/display/gimpdisplay-foreach.c
+++ b/app/display/gimpdisplay-foreach.c
@@ -246,8 +246,9 @@ gimp_displays_get_num_visible (Gimp *gimp)
 
       if (GTK_WIDGET_DRAWABLE (display->shell))
         {
-          GdkWindow      *window = gtk_widget_get_window (display->shell);
-          GdkWindowState  state  = gdk_window_get_state (window);
+          GtkWidget      *toplevel = gtk_widget_get_toplevel (display->shell);
+          GdkWindow      *window   = gtk_widget_get_window (toplevel);
+          GdkWindowState  state    = gdk_window_get_state (window);
 
           if ((state & (GDK_WINDOW_STATE_WITHDRAWN |
                         GDK_WINDOW_STATE_ICONIFIED)) == 0)
diff --git a/app/display/gimpdisplayshell-progress.c b/app/display/gimpdisplayshell-progress.c
index 1397e74..79aecc2 100644
--- a/app/display/gimpdisplayshell-progress.c
+++ b/app/display/gimpdisplayshell-progress.c
@@ -162,10 +162,11 @@ gimp_display_shell_progress_message (GimpProgress        *progress,
 static gboolean
 gimp_display_shell_is_iconified (GimpDisplayShell *shell)
 {
-  GtkWidget *widget = GTK_WIDGET (shell);
+  GtkWidget *widget   = GTK_WIDGET (shell);
+  GtkWidget *toplevel = gtk_widget_get_toplevel (widget);
 
   return (GTK_WIDGET_DRAWABLE (widget) &&
-          gdk_window_get_state (gtk_widget_get_window (widget)) ==
+          gdk_window_get_state (gtk_widget_get_window (toplevel)) ==
           GDK_WINDOW_STATE_ICONIFIED);
 }