Andreas,
I highly recommend that you go through the GTK+ tutorial first. This will
give you
some basic grounds on how GTK+ works. Just a few remarks here:
1. You probably want to use gtk_widget_show_all in your 'main' function,
rather
than just 'gtk_widget_show'.
2. If I understand you correctly, you are trying to create a button at
runtime
and add it to the window. If that's the case, then you create and add it
the
usual way. Then call gtk_widget_show(button) to make it visible.
3. Clearly, you don't need anything as complicated as
GtkWidget * window1 = gtk_widget_get_toplevel(GTK_WIDGET(button));
gtk_widget_queue_draw(lookup_widget(window1, "window1"));
for this task. If you call it too frequently, the second line above will
make your
CPU usage explode. Once again, the tutorial will do a good job for you.
Regards,
Nickolai
On 3/10/06, Andreas Kotowicz <[EMAIL PROTECTED]> wrote:
>
> I have a main.c like this:
>
> int
> main (int argc, char *argv[])
> {
> GtkWidget *window1;
> window1 = create_window1 ();
> gtk_widget_show (window1);
>
> gtk_main ();
> return 0;
> }
>
> and I have some callbacks in callbacks.c which modify some labels. now I
> want to create a button "clear" which deletes all user inputs and lets
> you start all over. so the simplest thing is probably to reinitialize
> the window and is widgets, right?
>
> unfortunately this doesn't work (in callbacks.c):
>
> void
> on_button4_clicked (GtkButton *button,
> gpointer user_data)
> {
> GtkWidget * window1 = gtk_widget_get_toplevel(GTK_WIDGET(button));
> gtk_widget_queue_draw(lookup_widget(window1, "window1"));
> }
>
> what am I doing wrong? or are there any better ways of doing this?
> I also tried doing a gtk_main_quit() followed by a gtk_main() but this
> didn't work either.
>
> cheers,
> Andreas
>
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>
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