Bug#276734: GDK icon window trouble

[Loïc Minier]

--llIrKcgUOe3dCx0c
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

Lo=EFc Minier <lool@dooz.org> - Sat, Oct 16, 2004:

> Attached is my modified file

 Here it is, sorry.

--=20
Lo=EFc Minier <lool@dooz.org>

--llIrKcgUOe3dCx0c
Content-Type: text/x-csrc; charset=us-ascii
Content-Disposition: attachment; filename="gdk.c"

#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include <X11/Xutil.h>

static GdkWindow *get_gdk_leader(GdkWindow *win){
    GdkAtom atom, type;
    gint len;
    guchar *data;
    GdkWindow *leader=NULL;

    atom=gdk_atom_intern("WM_CLIENT_LEADER", TRUE);
    type=gdk_atom_intern("WINDOW", TRUE);
    if(atom==GDK_NONE || type==GDK_NONE) return NULL;
    if(!gdk_property_get(win, atom, type, 0, 4, FALSE, NULL, NULL, &len, &data))
return NULL;
    if(len==4) leader=gdk_window_foreign_new(*(GdkNativeWindow *)data);
    g_free(data);
    return leader;
}

static GtkWidget *dockwin, *iconwin;

void openDockWindow() {
    GdkWindow *leader;
    XWMHints hints;

    if((dockwin=gtk_window_new(GTK_WINDOW_TOPLEVEL))==NULL) die("Couldn't create window");
    if((iconwin=gtk_window_new(GTK_WINDOW_TOPLEVEL))==NULL) die("Couldn't create window");
    gtk_widget_set_size_request(dockwin, 64, 64);
    gtk_widget_set_size_request(iconwin, 64, 64);
    gtk_widget_set_app_paintable(dockwin, TRUE);
    gtk_widget_set_app_paintable(iconwin, TRUE);

    // ... more setup here ...

    gtk_widget_realize(dockwin);
    gtk_widget_realize(iconwin);

    // ... more setup here ...

    if((leader=get_gdk_leader(dockwin->window))==NULL) die("Couldn't obtain Gdk leader window");
    gdk_window_reparent(iconwin->window, leader, 0, 0);
    gdk_window_set_icon(leader, iconwin->window, NULL, NULL);
    // Add the following 3 lines to make it work now:
    // hints.icon_window = GDK_WINDOW_XWINDOW(iconwin->window);
    // hints.flags = IconWindowHint;
    // XSetWMHints(GDK_DISPLAY(), GDK_WINDOW_XWINDOW(leader), &hints);
    gdk_window_unref(leader);

    // ... more setup here ...

    gtk_widget_show(iconwin);
    gtk_widget_show(dockwin);
    gdk_window_withdraw(dockwin->window);
}

--llIrKcgUOe3dCx0c--