Seems GtkSizeGroup has to be modified to cache and modify natural sizes. See attached picture for details.
Ciao, Mathias -- Mathias Hasselmann <[EMAIL PROTECTED]> Openismus GmbH: http://www.openismus.com/ Personal Site: http://taschenorakel.de/
<<inline: extended-layout-and-size-groups.png>>
#include <gtk/gtk.h> #include <math.h> static void size_group_toggled_cb (GtkToggleButton *button, GtkSizeGroup *group) { if (gtk_toggle_button_get_active (button)) gtk_size_group_set_mode (group, GTK_SIZE_GROUP_HORIZONTAL); else gtk_size_group_set_mode (group, GTK_SIZE_GROUP_NONE); } static void ellipsize_toggled_cb (GtkToggleButton *button, GtkWidget *vbox) { GList *rows, *cells, *iter; PangoEllipsizeMode mode; if (gtk_toggle_button_get_active (button)) mode = PANGO_ELLIPSIZE_END; else mode = PANGO_ELLIPSIZE_NONE; rows = gtk_container_get_children (GTK_CONTAINER (vbox)); for (iter = rows; iter; iter = iter->next) { if (!GTK_IS_CONTAINER (iter->data)) break; cells = gtk_container_get_children (iter->data); if (cells && GTK_IS_LABEL (cells->data)) gtk_label_set_ellipsize (cells->data, mode); g_list_free (cells); } g_list_free (rows); } int main (int argc, char *argv[]) { GtkWidget *window, *vbox, *button; GtkSizeGroup *groups[2]; gint x, y; gtk_init (&argc, &argv); for (x = 0; x < G_N_ELEMENTS (groups); ++x) groups[x] = gtk_size_group_new (GTK_SIZE_GROUP_NONE); vbox = gtk_vbox_new (FALSE, 6); gtk_container_set_border_width (GTK_CONTAINER (vbox), 6); for (y = 0; y < 4; ++y) { GtkWidget *hbox = gtk_hbox_new (FALSE, 6); for (x = 0; x < 2; ++x) { gchar *text = g_strdup_printf ("Label #%.0f.%d", pow(10, y), x + 1); GtkWidget *label = gtk_label_new (text); g_free (text); if (!x) gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END); else gtk_box_pack_start (GTK_BOX (hbox), gtk_vseparator_new (), FALSE, TRUE, 0); gtk_box_pack_start (GTK_BOX (hbox), label, 1 == x, TRUE, 0); gtk_size_group_add_widget (groups[x], label); } gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0); } gtk_box_pack_start (GTK_BOX (vbox), gtk_hseparator_new (), FALSE, TRUE, 0); for (x = 0; x < G_N_ELEMENTS (groups); ++x) { gchar *text = g_strdup_printf ("Size Group #%d", x + 1); button = gtk_check_button_new_with_label (text); gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, TRUE, 0); g_free (text); g_signal_connect (button, "toggled", G_CALLBACK (size_group_toggled_cb), groups[x]); } button = gtk_check_button_new_with_label ("Ellipsize"); gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, TRUE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE); g_signal_connect (button, "toggled", G_CALLBACK (ellipsize_toggled_cb), vbox); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_container_add (GTK_CONTAINER (window), vbox); gtk_widget_show_all (window); g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL); gtk_main (); return 0; }
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