[sawfish] Quit on manager selection clear.

[Christopher Bratusek <chrisb src gnome org>]

commit 632f1bd0f514e9f7702366fca2ff4310393c6a71
Author: Timo Korvola <tkorvola iki fi>
Date:   Thu Dec 23 14:23:20 2010 +0200

    Quit on manager selection clear.
    
    Also added a stub for handling selection requests.

 src/display.c |    1 +
 src/events.c  |   19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 0 deletions(-)
---
diff --git a/src/display.c b/src/display.c
index cfaa092..1181bbf 100644
--- a/src/display.c
+++ b/src/display.c
@@ -490,6 +490,7 @@ sys_kill (void)
     if(!batch_mode_p ())
     {
 	XSetInputFocus (dpy, PointerRoot, 0, last_event_time);
+	XSelectInput (dpy, root_window, 0);
 	XDestroyWindow (dpy, no_focus_window);
 	XCloseDisplay (dpy);
     }
diff --git a/src/events.c b/src/events.c
index a1943df..03b7886 100644
--- a/src/events.c
+++ b/src/events.c
@@ -1277,6 +1277,23 @@ mapping_notify (XEvent *ev)
 }
 
 static void
+selection_clear (XEvent *ev)
+{
+    XSelectionClearEvent *scev = &ev->xselectionclear;
+    if (scev->selection == xa_wm_sn && scev->window == no_focus_window)
+	Fquit ();
+}
+
+static void
+selection_request (XEvent *ev)
+{
+    XSelectionRequestEvent *srev = &ev->xselectionrequest;
+    if (srev->selection == xa_wm_sn)
+    {
+    }
+}
+
+static void
 shape_notify (XEvent *ev)
 {
     XShapeEvent *sev = (XShapeEvent *)ev;
@@ -1761,6 +1778,8 @@ events_init (void)
     event_handlers[ReparentNotify] = reparent_notify;
     event_handlers[CreateNotify] = create_notify;
     event_handlers[CirculateNotify] = circulate_notify;
+    event_handlers[SelectionClear] = selection_clear;
+    event_handlers[SelectionRequest] = selection_request;
     event_handlers[MappingNotify] = mapping_notify;
 
 #ifdef DEBUG