client: when redrawing a window, set the mouse focus on this window if

it has been performed on this window.

awesome.1.txt

@@ -154,6 +154,9 @@ Misc
 *Mod4 \+ Shift \+ i*::
     Print the client class and instance.
 
+*Mod4 \+ Shift \+ r*::
+    Redraw the focused window.
+
 CUSTOMIZATION
 -------------
 *awesome* is customized by creating a custom '$XDG_CONFIG_HOME/awesome/rc.lua' file.

awesomerc.lua.in

@@ -224,6 +224,7 @@ keybinding({ modkey, "Control" }, "Return", function () client.focus:swap(awful.
 keybinding({ modkey }, "o", awful.client.movetoscreen):add()
 keybinding({ modkey }, "Tab", awful.client.focus.history.previous):add()
 keybinding({ modkey }, "u", awful.client.urgent.jumpto):add()
+keybinding({ modkey, "Shift" }, "r", function () client.focus:redraw() end):add()
 
 -- Layout manipulation
 keybinding({ modkey }, "l", function () awful.tag.incmwfact(0.05) end):add()

client.c

@@ -1068,8 +1068,17 @@ static int
 luaA_client_redraw(lua_State *L)
 {
     client_t **c = luaA_checkudata(L, 1, "client");
+
     xcb_unmap_window(globalconf.connection, (*c)->win);
     xcb_map_window(globalconf.connection, (*c)->win);
+
+    /* Set the focus on the current window if the redraw has been
+       performed on the window where the pointer is currently on
+       because after the unmapping/mapping, the focus is lost */
+    if(globalconf.screen_focus->client_focus == *c)
+        xcb_set_input_focus(globalconf.connection, XCB_INPUT_FOCUS_POINTER_ROOT,
+                            (*c)->win, XCB_CURRENT_TIME);
+    
     return 0;
 }