Paolo Costabel wrote:
You need to call
while( g_main_iteration (FALSE));
to update the progress bar. The gtk_progress_bar_set_fraction queues
draw requests that are then executed
inside gtk main event loop. Be careful that calling g_main_iteration
also processes user messages, so if the user
clicks on something, the corresponding code will be executed inside the
while. This may cause unwanted effects.
You can use:
gdk_window_process_all_updates ();
To process only expose events.
But it's probably better to use g_main_iteration (FALSE) in
conjunction with:
gdk_window_set_transient_for () & gdk_window_set_modal_hint () to
ensure that your progress bar is always on top and that your parent
window doesn't accept user input during your operation.
Cheers,
-Tristan
http://developer.gnome.org/doc/API/2.0/gdk/gdk-Windows.html#gdk-window-process-all-updates
http://developer.gnome.org/doc/API/2.0/gdk/gdk-Windows.html#gdk-window-set-transient-for
http://developer.gnome.org/doc/API/2.0/gdk/gdk-Windows.html#gdk-window-set-modal-hint
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