[lua] Split screen.* out of awesome.*

Signed-off-by: Julien Danjou <julien@danjou.info>

awesomerc.lua.in

@@ -24,7 +24,7 @@ layouts = { "tile", "tileleft", "tilebottom", "tiletop", "max", "spiral", "dwind
 -- {{{ Tags
 -- Define tags table
 tags = {}
-for s = 1, awesome.screen_count() do
+for s = 1, screen.count() do
     -- Each screen has its own tag table
     tags[s] = {}
     -- Create 9 tags per screen
@@ -71,13 +71,13 @@ myiconbox:set("image", "@iconsdir@/awesome16.png")
 -- Create an iconbox widget which will contains an icon indicating which layout we're using.
 -- We need one layoutbox per screen.
 mylayoutbox = {}
-for s = 1, awesome.screen_count() do
+for s = 1, screen.count() do
     mylayoutbox[s] = widget.new({ type = "iconbox", name = "myiconbox", align = "right" })
     mylayoutbox[s]:set("image", "@iconsdir@/layouts/tilew.png")
 end
 
 -- Create a statusbar for each screen and add it
-for s = 1, awesome.screen_count() do
+for s = 1, screen.count() do
     mystatusbar = statusbar.new({ position = "top", name = "mystatusbar" .. s,
                                 fg = "lightblue", bg = "black" })
     -- Add widgets to the statusbar - order matters
@@ -118,7 +118,7 @@ client.mouse({ modkey }, 3, function (c) c:mouse_resize() end)
 -- Bind keyboard digits
 -- Compute the maximum number of digit we need, limited to 9
 keynumber = 0
-for s = 1, awesome.screen_count() do
+for s = 1, screen.count() do
    keynumber = math.min(9, math.max(#tags[s], keynumber));
 end
 

awful.lua

@@ -17,6 +17,7 @@ end
 -- Grab environment we need
 local ipairs = ipairs
 local awesome = awesome
+local screen = screen
 local client = client
 local tag = tag
 local mouse = mouse
@@ -77,16 +78,16 @@ function screen_focus(i)
     else
         s = mouse.screen_get()
     end
-    local count = awesome.screen_count()
+    local count = screen.count()
     s = s + i
     if s < 1 then
         s = count
     elseif s > count then
         s = 1
     end
-    awesome.screen_focus(s)
+    screen.focus(s)
     -- Move the mouse on the screen
-    local screen_coords = awesome.screen_coords_get(s)
+    local screen_coords = screen.coords_get(s)
     mouse.coords_set(screen_coords['x'], screen_coords['y'])
 end
 

lua.c

@@ -430,9 +430,6 @@ luaA_parserc(const char *rcfile)
         { "restart", luaA_restart },
         { "floating_placement_set", luaA_floating_placement_set },
         { "padding_set", luaA_padding_set },
-        { "screen_coords_get", luaA_screen_coords_get },
-        { "screen_count", luaA_screen_count },
-        { "screen_focus", luaA_screen_focus },
         { "key", luaA_key },
         { "mouse", luaA_mouse },
         { "resizehints_set", luaA_resizehints_set },
@@ -440,6 +437,12 @@ luaA_parserc(const char *rcfile)
         { "colors_set", luaA_colors_set },
         { NULL, NULL }
     };
+    static const struct luaL_reg awesome_screen_lib[] =
+    {
+        { "coords_get", luaA_screen_coords_get },
+        { "count", luaA_screen_count },
+        { "focus", luaA_screen_focus },
+    };
     static const struct luaL_reg awesome_hooks_lib[] =
     {
         { "focus", luaA_hooks_focus },
@@ -459,6 +462,9 @@ luaA_parserc(const char *rcfile)
     /* Export awesome lib */
     luaL_register(L, "awesome", awesome_lib);
 
+    /* Export screen lib */
+    luaL_register(L, "screen", awesome_screen_lib);
+
     /* Export hooks lib */
     luaL_register(L, "hooks", awesome_hooks_lib);