On Tue, 2003-11-18 at 11:14, [EMAIL PROTECTED] wrote: > Hi everybody, > I have a little pb with gtk_drawing_area. I read tutorial and API > documentation but i don't find the answer : why i obtain this error message > when using the code below ?
because the window field of the GtkWidget is valid only when the widget is "realized". You need to connect a signal handled to the "realized" signal and get the colormap from within this signal handler. Mathieu > > *************Code********************* > GtkWidget *ZoneDessin; > GdkColormap *colormap; > > ZoneDessin = gtk_drawing_area_new(); > colormap = gdk_window_get_colormap(ZoneDessin->window); > > *************Error*********************** > Gdk-CRITICAL **: file gdkdraw.c: line 244 (gdk_drawable_get_colormap): > assertion `GDK_IS_COLORMAP (colormap)' failed > > Thanks, Luc. > > > > _______________________________________________ > gtk-list mailing list > [EMAIL PROTECTED] > http://mail.gnome.org/mailman/listinfo/gtk-list -- Mathieu Lacage <[EMAIL PROTECTED]> _______________________________________________ gtk-list mailing list [EMAIL PROTECTED] http://mail.gnome.org/mailman/listinfo/gtk-list
