Hi:
I get the following error when I try to use frames to pack widgets. It is
just a test application I wrote to learn GTK/GNOME programming:
Gtk-CRITICAL **: file gtkbin.c: line 217 (gtk_bin_add): assertion
`bin->child == NULL' failed.
Below is the code I used. It's mostly from this book that I bought.
Thanks.
-D
In the main function ...
// create the toolbar
gnome_app_create_toolbar(GNOME_APP(topLevelWindow), toolBar);
// create source frame
frame = makeFrame();
gtk_container_add(GTK_CONTAINER(topLevelWindow), frame);
gtk_widget_show(topLevelWindow);
gtk_main();
exit(0);
}
.....
This the function that creates the frame.
GtkWidget *makeFrame(void) {
GtkWidget *box;
GtkWidget *frame;
GtkWidget *label;
box = gtk_vbox_new(FALSE, 0);
gtk_widget_show(box);
label = gtk_label_new("Test Label");
gtk_widget_show(label);
gtk_container_add(GTK_CONTAINER(box), label);
label = gtk_label_new("Another Label");
gtk_widget_show(label);
gtk_container_add(GTK_CONTAINER(box), label);
frame = gtk_frame_new("Just a label");
gtk_widget_show(frame);
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);
gtk_container_add(GTK_CONTAINER(frame), box);
return (frame);
}
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