setting the wait mouse cursor during a longer load operation

[Stefan Kost <kost imn htwk-leipzig de>]

hi,

when loading a long file I would like to disabled events for the main-window and
set a wait mouse-coursor for it. That they way I've tried it.

GdkWindow *window;

gtk_widget_set_sensitive(GTK_WIDGET(self->private->main_window),FALSE);
// does not work -> (gdk_window_set_cursor): assertion `window != NULL' failed
window=gtk_window_get_transient_for(GTK_WINDOW(self->private->main_window));
gdk_window_set_cursor(window,gdk_cursor_new(GDK_WATCH));
... invoke the loading
gdk_window_set_cursor(window,NULL);
gtk_widget_set_sensitive(GTK_WIDGET(self->private->main_window),TRUE);

I manage to change the cursor for other windows (that are not mine!).
Hwen I got diffenrent mouse-cursors, then they neverr looked like the requested
ones.

Any ideas?

Stefan
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