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List: gtk-app-devel
Subject: Re: Trouble with vbox allocation.
From: Angelo Cano <acano () systec ! com>
Date: 2001-03-29 16:53:56
[Download RAW message or body]
On Wed, Mar 28, 2001 at 10:43:39AM +0200, Lecomte Jean François wrote:
>
> Hi there,
>
> i've one vbox which contains many other small widgets...
>
> But at the end, size requested by all these widgets exceeded the 32767 max
> size of the widget container.
>
> And obviously the (x,y) position of some of these widgets at the end of
> the list step over this limit.
>
> I just want to make these widgets scrollable in a viewport, could you
> tell me how to avoid this trouble.
>
> Any suggestion ?
> Any examples ?
GtkLayout doesn't have that size limitation:
/* GtkLayout acting as a big GtkVBox */
#include <gtk/gtk.h>
GtkWidget *layout;
gint x = 0;
gint y = 0;
void add_to_layout (GtkWidget *widget)
{
GtkRequisition req;
gtk_widget_size_request (widget, &req);
gtk_layout_put (GTK_LAYOUT (layout), widget, x, 0);
x += req.width;
y = MAX (y, req.height);
gtk_layout_set_size (GTK_LAYOUT (layout), x, y);
}
int main (int argc, char *argv[])
{
GtkWidget *window, *scrolled_window, *button;
gint i;
gchar *label;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_widget_set_usize (window, 400, 200);
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_container_add (GTK_CONTAINER (window), scrolled_window);
layout = gtk_layout_new (NULL, NULL);
gtk_container_add (GTK_CONTAINER (scrolled_window), layout);
for (i = 0; i < 1000; i++) {
label = g_strdup_printf ("button %d", i);
button = gtk_button_new_with_label (label);
g_free (label);
add_to_layout (button);
}
g_print ("width: %d height: %d\n", x, y);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
>
> Thanks
>
> --
> --
> J-François LECOMTE IDEALX S.A.S.
>
>
> _______________________________________________
> gtk-app-devel-list mailing list
> gtk-app-devel-list@gnome.org
> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
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