From 26de388c4cf24bcc14bbc169ca5d02f72b2984a4 Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Mon, 1 Dec 2008 15:43:16 +0100
Subject: [PATCH] client: add mouse_leave hook

Signed-off-by: Julien Danjou <julien@danjou.info>
---
 client.c  |  1 +
 event.c   | 26 +++++++++++++++++++-------
 hooks.c   | 16 +++++++++++++++-
 luaa.c    |  1 +
 structs.h |  2 ++
 5 files changed, 38 insertions(+), 8 deletions(-)

diff --git a/client.c b/client.c
index babddda95..243da82ff 100644
--- a/client.c
+++ b/client.c
@@ -445,6 +445,7 @@ client_manage(xcb_window_t w, xcb_get_geometry_reply_t *wgeom, int phys_screen,
         XCB_EVENT_MASK_STRUCTURE_NOTIFY
             | XCB_EVENT_MASK_PROPERTY_CHANGE
             | XCB_EVENT_MASK_ENTER_WINDOW
+            | XCB_EVENT_MASK_LEAVE_WINDOW
     };
 
 
diff --git a/event.c b/event.c
index 6c5804223..17ce7a7b9 100644
--- a/event.c
+++ b/event.c
@@ -459,17 +459,29 @@ event_handle_leavenotify(void *data __attribute__ ((unused)),
                          xcb_connection_t *connection,
                          xcb_leave_notify_event_t *ev)
 {
-    wibox_t *wibox = wibox_getbywin(ev->event);
+    wibox_t *wibox;
+    client_t *c = client_getbywin(ev->event);
 
-    if(wibox && wibox->mouse_over)
+    if(c)
     {
-        if(wibox->mouse_over->mouse_leave != LUA_REFNIL)
+        if(globalconf.hooks.mouse_leave != LUA_REFNIL)
         {
-            /* call mouse leave function on widget the mouse was over */
-            luaA_wibox_userdata_new(globalconf.L, wibox);
-            luaA_dofunction(globalconf.L, wibox->mouse_over->mouse_leave, 1, 0);
+            luaA_client_userdata_new(globalconf.L, c);
+            luaA_dofunction(globalconf.L, globalconf.hooks.mouse_leave, 1, 0);
+        }
+    }
+    else if((wibox = wibox_getbywin(ev->event)))
+    {
+        if(wibox->mouse_over)
+        {
+            if(wibox->mouse_over->mouse_leave != LUA_REFNIL)
+            {
+                /* call mouse leave function on widget the mouse was over */
+                luaA_wibox_userdata_new(globalconf.L, wibox);
+                luaA_dofunction(globalconf.L, wibox->mouse_over->mouse_leave, 1, 0);
+            }
+            wibox->mouse_over = NULL;
         }
-        wibox->mouse_over = NULL;
     }
 
     return 0;
diff --git a/hooks.c b/hooks.c
index 42611013c..f3826c1f6 100644
--- a/hooks.c
+++ b/hooks.c
@@ -83,7 +83,7 @@ luaA_hooks_unmanage(lua_State *L)
     HANDLE_HOOK(L, globalconf.hooks.unmanage);
 }
 
-/** Set the function called each time the mouse enter a new window. This
+/** Set the function called each time the mouse enter a window. This
  * function is called with the client object as argument.
  * \param L The Lua VM state.
  * \return The number of elements pushed on stack.
@@ -96,6 +96,19 @@ luaA_hooks_mouse_enter(lua_State *L)
     HANDLE_HOOK(L, globalconf.hooks.mouse_enter);
 }
 
+/** Set the function called each time the mouse leave a window. This
+ * function is called with the client object as argument.
+ * \param L The Lua VM state.
+ * \return The number of elements pushed on stack.
+ * \luastack
+ * \lparam A function to call each time a client gets mouse over it.
+ */
+static int
+luaA_hooks_mouse_leave(lua_State *L)
+{
+    HANDLE_HOOK(L, globalconf.hooks.mouse_leave);
+}
+
 /** Set the function called on each client list change.
  * This function is called without any argument.
  * \param L The Lua VM state.
@@ -215,6 +228,7 @@ const struct luaL_reg awesome_hooks_lib[] =
     { "manage", luaA_hooks_manage },
     { "unmanage", luaA_hooks_unmanage },
     { "mouse_enter", luaA_hooks_mouse_enter },
+    { "mouse_leave", luaA_hooks_mouse_leave },
     { "property", luaA_hooks_property },
     { "arrange", luaA_hooks_arrange },
     { "clients", luaA_hooks_clients },
diff --git a/luaa.c b/luaa.c
index 6022a3355..23cdb43b9 100644
--- a/luaa.c
+++ b/luaa.c
@@ -820,6 +820,7 @@ luaA_init(void)
     globalconf.hooks.focus = LUA_REFNIL;
     globalconf.hooks.unfocus = LUA_REFNIL;
     globalconf.hooks.mouse_enter = LUA_REFNIL;
+    globalconf.hooks.mouse_leave = LUA_REFNIL;
     globalconf.hooks.arrange = LUA_REFNIL;
     globalconf.hooks.clients = LUA_REFNIL;
     globalconf.hooks.tags = LUA_REFNIL;
diff --git a/structs.h b/structs.h
index 92ab082ec..f23b78727 100644
--- a/structs.h
+++ b/structs.h
@@ -350,6 +350,8 @@ struct awesome_t
         luaA_ref unfocus;
         /** Command to run when mouse enter a client */
         luaA_ref mouse_enter;
+        /** Command to run when mouse leave a client */
+        luaA_ref mouse_leave;
         /** Command to run on arrange */
         luaA_ref arrange;
         /** Command to run when client list changes */