Well, this will give you a bit more of an idea what's going on (or
not, as the case may be). I don't know why the raise/lower don't work
correctly in this case. Looks like either a bug in Fixed or the Canvas
to me.
--p
#include <gtk/gtk.h>
#include <gtk-canvas.h>
/*
compiled with :
gcc `gtk-config --cflags` gc.c -o t1 -lgtk-canvas `gtk-config --libs`'
*/
#define STYLE GTK_SHADOW_IN
GtkCanvasItem *i1, *i2;
gint
button_press_handler (GtkWidget *widget, GdkEventButton *ev)
{
if (ev->button == 1) {
gtk_canvas_item_raise_to_top (i2);
} else if (ev->button == 2) {
gtk_canvas_item_move (i1, -10, -10);
} else if (ev->button == 3) {
gtk_canvas_item_move (i1, 10, 10);
}
}
int
main (int argc, char *argv[])
{
GtkWidget *app;
GtkWidget *c;
GtkWidget *frame1;
GtkWidget *frame2;
GtkWidget *f1;
GtkWidget *f2;
GtkCanvasGroup *root;
int i;
gtk_init (&argc, &argv);
gtk_canvas_init();
app = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_widget_set_usize (GTK_WIDGET(app), 400,400);
c = gtk_canvas_new ();
gtk_container_add(GTK_CONTAINER(app),c);
gtk_widget_show(c);
gtk_widget_show(app);
frame1 = gtk_frame_new ("first");
gtk_widget_set_usize (GTK_WIDGET (frame1), 200,200);
frame2 = gtk_frame_new ("second");
gtk_widget_set_usize (GTK_WIDGET (frame2), 200,200);
root = gtk_canvas_root (GTK_CANVAS (c));
i1 = gtk_canvas_item_new (root, gtk_canvas_widget_get_type (),
"widget", frame1,
"x", (double)0,
"y", (double)0,
"width", (double)200,
"height", (double)200,
"anchor", GTK_ANCHOR_NW,
"size_pixels", FALSE, NULL);
i2 = gtk_canvas_item_new (root, gtk_canvas_widget_get_type (),
"widget", frame2,
"x", (double)50,
"y", (double)50,
"width", (double)200,
"height", (double)200,
"anchor", GTK_ANCHOR_NW,
"size_pixels", FALSE, NULL);
gtk_canvas_item_raise (i2, 1);
gtk_signal_connect (GTK_OBJECT(app), "button_press_event",
(GtkSignalFunc) button_press_handler,
0);
f1=gtk_fixed_new();
f2=gtk_fixed_new();
gtk_container_add(GTK_CONTAINER(frame1),f1);
gtk_container_add(GTK_CONTAINER(frame2),f2);
gtk_widget_show(f1);
gtk_widget_show(f2);
gtk_frame_set_shadow_type (GTK_FRAME (frame1), STYLE);
gtk_frame_set_shadow_type (GTK_FRAME (frame2), STYLE);
gtk_widget_show(frame1);
gtk_widget_show(frame2);
gtk_main();
}
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