add scratchpad to awesome

1 files changed, 54 insertions, 0 deletions

diff --git a/programs/dotfiles/awesome/scratch.lua b/programs/dotfiles/awesome/scratch.lua
new file mode 100644
index 0000000..aa1fd1e
--- /dev/null
+++ b/programs/dotfiles/awesome/scratch.lua
@@ -0,0 +1,54 @@
+local client = client
+
+local awful = require("awful")
+local util = require("awful.util")
+
+local scratch = {}
+
+local function activate(c)
+    local ctag = awful.tag.selected(c.screen)
+    ctags = {ctag}
+    for k,tag in pairs(c:tags()) do
+        if tag ~= ctag then table.insert(ctags, tag) end
+    end
+    c:tags(ctags)
+    c:raise()
+    client.focus = c
+end
+
+local function deactivate(c)
+    local ctag = awful.tag.selected(c.screen)
+    ctags = {}
+    for k,tag in pairs(c:tags()) do
+        if tag ~= ctag then table.insert(ctags, tag) end
+    end
+    c:tags(ctags)
+end
+
+function scratch.raise(cmd, rule)
+    local rule = rule or { instance = "scratch" }
+    local function match(c) return awful.rules.match(c, rule) end
+
+    local clients = client.get()
+    local findex = util.table.hasitem(clients, client.focus) or 1
+    local start = util.cycle(#clients, findex + 1)
+
+    for c in awful.client.iterate(match, start) do
+        activate(c)
+        return
+    end
+    
+    util.spawn(cmd)
+end
+
+function scratch.toggle(cmd, rule)
+    local rule = rule or { instance = "scratch" }
+
+    if client.focus and awful.rules.match(client.focus, rule) then
+        deactivate(client.focus)
+    else
+        scratch.raise(cmd)
+    end
+end
+
+return scratch