Thanks, John, that works great!
cheers,
richard
On Sep 27, 2006, at 1:01 PM, John Cupitt wrote:
> On 9/27/06, Richard Boaz <riboaz@xxxxxxxxx> wrote:
>> Below is a small program demonstrating my problem.
>
> Here's a working version of your prog. The main problem was that you
> were setting the position hint after showing the dialog. So when the
> WM was selecting a position, there was no position hint set by you.
>
> I noticed a couple of other minor things, though I guess you know
> these anyway and this is just a test prog:
>
> - use gtk_window_set_default_size() to set the start size for your
> main window
>
> - best to let the WM position the main window for you, rather than
> setting the CENTER hint (that's mostly for things like splash screens
> I think)
>
> - the dialog should be positioned with GTK_WIN_POS_CENTER_ON_PARENT
>
> - you need to use gtk_window_set_transient_for() to get the WM to
> preserve your main window / dialog stacking order ... this is
> especially important on win32
>
> -----------------
> #include <gtk/gtk.h>
>
> int nums[3] = { 0, 1, 2 };
>
> void
> doDialogue (GtkButton * but, int *action)
> {
> static GtkWidget *dialogue;
> GtkWidget *button;
>
> switch (*action)
> {
> case 0: // make and realize dialogue widget
> if (!dialogue)
> {
> dialogue = gtk_window_new (GTK_WINDOW_TOPLEVEL);
> gtk_window_set_transient_for (GTK_WINDOW (dialogue),
> GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (but))));
> gtk_window_set_position (GTK_WINDOW (dialogue),
> GTK_WIN_POS_CENTER_ON_PARENT);
> g_signal_connect (dialogue, "destroy", G_CALLBACK
> (doDialogue),
> &nums[2]);
> button = gtk_button_new_with_label ("Cancel");
> g_signal_connect ((button), "clicked", G_CALLBACK
> (doDialogue),
> &nums[1]);
> gtk_container_add (GTK_CONTAINER (dialogue), button);
> gtk_widget_show_all (dialogue);
> }
> gtk_widget_show (dialogue);
> break;
>
> case 1: // hide the dialogue
> gtk_widget_hide (dialogue);
> break;
>
> case 2: // dialogue has been destroyed, record
> dialogue = NULL;
> break;
> }
> }
>
> int
> main (int argc, char **argv)
> {
> GtkWidget *mainWin, *button;
>
> gtk_init (&argc, &argv);
> mainWin = gtk_window_new (GTK_WINDOW_TOPLEVEL);
> g_signal_connect (mainWin, "destroy", G_CALLBACK (gtk_main_quit),
> NULL);
> button = gtk_button_new_with_label ("Dialogue");
> g_signal_connect ((button), "clicked", G_CALLBACK (doDialogue),
> &nums[0]);
> gtk_container_add (GTK_CONTAINER (mainWin), button);
>
> gtk_window_set_default_size ( GTK_WINDOW (mainWin), 250, 250);
> gtk_widget_show_all (mainWin);
>
> gtk_main ();
> }
> ---------------------
>
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