On Thursday 05 September 2002 08:58, Mullin Yu wrote:
The call to gtk_init is only needed once, at the top of the program (in main).
Once that's been done, you should call gtk_main (from main). This sets up
the library and takes control of your program's flow of execution, and calls
your code as and when needed.
Once gtk_main is running, all you should need to do is call gtk_window_new
and gtk_window_show to create new windows. But you might want to have a look
at gtk_dialog_run as well, plus the documentation for the "Main loop and
events" in the GTK+ docs for a more general overview.
Good luck
Dave
> > Hi all,
>
> I saw from the tutorial that we can write a simple GTK application like the
> following:
>
> #include <gtk/gtk.h>
>
> int main( int argc,
> char *argv[] )
> {
> GtkWidget *window;
>
> gtk_init (&argc, &argv);
>
> window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
> gtk_widget_show (window);
>
> gtk_main ();
>
> return 0;
> }
>
> But now, I want to put it inside a function that will call to pop up a
> window. What should I do? What should I need to pass as argc and argv[]?
>
> .......
> .......
>
> function test()
> {
> // some logic are here
> //
> //
>
> int returnCode;
>
> returnCode = openDialog(NULL, NULL);
>
> }
>
>
> int openDialog( int argc,
> char *argv[] )
> {
> GtkWidget *window;
>
> gtk_init (&argc, &argv);
>
> window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
> gtk_widget_show (window);
>
> gtk_main ();
>
> return 0;
> }
>
> Thanks!
>
> Best regards,
> Mullin
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