From f57f42d2e86d3c44b662ea0f587fb74d3f85ff4b Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Tue, 7 Feb 2017 17:13:29 +0100
Subject: Add functionality for desktop renaming.

---
 bindings.lua  | 19 ++++++++++++++-----
 desktop.lua   |  1 +
 pager.lua     |  6 ++++++
 rc.lua        |  2 +-
 workspace.lua | 14 +++++++++++---
 5 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/bindings.lua b/bindings.lua
index 455a5fd..be43176 100644
--- a/bindings.lua
+++ b/bindings.lua
@@ -68,8 +68,6 @@ function M.create(workspace)
         awful.key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1)         end),
         awful.key({ modkey, "Control" }, "l",     function () awful.tag.incncol(-1)         end),
 
-        awful.key({ modkey, "Control" }, "n", awful.client.restore),
-
         -- Prompt
         awful.key({ modkey },            "r",     function () mypromptbox[mouse.screen]:run() end),
 
@@ -79,7 +77,19 @@ function M.create(workspace)
                       mypromptbox[mouse.screen].widget,
                       awful.util.eval, nil,
                       awful.util.getdir("cache") .. "/history_eval")
-                  end)
+                  end),
+
+        awful.key({ modkey }, "n",
+            function()
+                awful.prompt.run({ prompt = "Rename desktop: " },
+                                 mypromptbox[mouse.screen].widget,
+                                 function(input)
+                                     if input then
+                                         local cur_desk = workspace.screen_state[mouse.screen].desktop
+                                         workspace:rename_desktop(cur_desk, input)
+                                     end
+                                 end)
+            end)
     )
 
     -- Bind all key numbers to tags.
@@ -117,7 +127,7 @@ function M.create(workspace)
                       function ()
                             local screen = mouse.screen
                             if workspace.desktops[i] == nil then
-                                workspace:add_desktop("Desktop " .. i, 10)
+                                workspace:add_desktop(i, "Desktop " .. i, 10)
                             end
                             workspace:view(screen, i)
                       end),
@@ -137,7 +147,6 @@ function M.create(workspace)
         awful.key({ modkey, "Control" }, "space",  awful.client.floating.toggle                     ),
         awful.key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end),
         awful.key({ modkey,           }, "o",      awful.client.movetoscreen                        ),
-        awful.key({ modkey,           }, "t",      function (c) c.ontop = not c.ontop            end),
         awful.key({ modkey,           }, "m",
             function (c)
                 c.maximized_horizontal = not c.maximized_horizontal
diff --git a/desktop.lua b/desktop.lua
index d714dc9..38c890b 100644
--- a/desktop.lua
+++ b/desktop.lua
@@ -25,6 +25,7 @@ local function desktop_new(idx, name, nb_pages, layout)
     local ret = object()
 
     ret:add_signal("page:view")
+    ret:add_signal("desktop:name")
 
     ret.show = desktop_show
 
diff --git a/pager.lua b/pager.lua
index 1cef725..d2e67d4 100644
--- a/pager.lua
+++ b/pager.lua
@@ -114,6 +114,12 @@ local function pager_set_desktop(self, desktop)
     local title_fg = beautiful.fg_focus or "#000000"
     local title_container = wibox.widget.background(title, title_bg)
     title_container:set_fg(title_fg)
+
+    self.desktop:connect_signal("desktop:name",
+        function(desktop, name)
+            title:set_text(name)
+        end)
+
     self:add(title_container)
 
     for i = 1, nb_pages do
diff --git a/rc.lua b/rc.lua
index eaf9de0..1cfaebe 100644
--- a/rc.lua
+++ b/rc.lua
@@ -55,7 +55,7 @@ local layouts =
 
 -- {{{ Tags
 workspace = workspace.Workspace:new(layouts)
-workspace:add_desktop("main", 10)
+workspace:add_desktop(1, "main", 10)
 -- }}}
 
 -- Menubar configuration
diff --git a/workspace.lua b/workspace.lua
index 537345d..0ac91c3 100644
--- a/workspace.lua
+++ b/workspace.lua
@@ -6,12 +6,17 @@ local object = require("gears.object")
 
 local Workspace = {}
 
-function Workspace:add_desktop(name, nb_pages)
-    idx = #self.desktops + 1
+function Workspace:add_desktop(idx, name, nb_pages)
     self.desktops[idx] = desktop.new(idx, name, nb_pages, self.layouts[1])
     return idx
 end
 
+function Workspace:rename_desktop(idx, name)
+    local desk = self.desktops[idx]
+    desk.name = name
+    desk:emit_signal("desktop:name", name)    
+end
+
 function Workspace:_apply_state()
     orig_focus = mouse.screen
 
@@ -105,7 +110,10 @@ end
 
 function Workspace:move_client(client, desk, page)
     print("move to " .. desk .. "/" .. page)
-    awful.client.movetotag(self.desktops[desk].pages[page], client)
+    local dst_page = self.desktops[desk].pages[page]
+    local dst_screen = awful.tag.getscreen(dst_page)
+    awful.client.movetoscreen(client, dst_screen)
+    awful.client.movetotag(dst_page, client)
 end
 
 function Workspace:new(layouts)
-- 
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