You have to "realize" the widget before fetching the size.
2008/9/3 Lazy Fox <[EMAIL PROTECTED]>:
> /* How to get the widget's size before it has been shown?
> *
> * There are two "printf" statements below. I want to get the widget's size
> at the first printf.
> * How to do this?
> */
> #include <gtk/gtk.h>
>
> int main( int argc, char *argv[] )
> {
> GtkWidget *window;
> gtk_init (&argc, &argv);
>
> window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
> printf("width=%d \n", window->allocation.width); // return 1
> gtk_widget_show (window);
> printf("width=%d \n", window->allocation.width); // return 200
> gtk_main ();
> return 0;
> }
>
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>
>
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