added optional optional dependencies in the detailed description

[etc/awesome.git] / util / init.lua

diff --git a/util/init.lua b/util/init.lua
index 06db0d4bc0acc8c00b8c5f30d0a2df1dc4e1deb0..70d8e52aa717f27b493a73557a4e3ab100a29413 100644 (file)
--- a/util/init.lua
+++ b/util/init.lua
@@ -38,10 +38,7 @@ function util.menu_clients_current_tags(menu, args)
     -- Final list of menu items.
     local cls_t = {}
 
-    if cls_tags == nil
-    then
-        return nil
-    end
+    if cls_tags == nil then return nil end
 
     -- For each selected tag get all clients of that tag and add them to
     -- the menu. A click on a menu item will raise that client.
@@ -63,17 +60,11 @@ function util.menu_clients_current_tags(menu, args)
     end
 
     -- No clients? Then quit.
-    if #cls_t <= 0
-    then
-        return nil
-    end
+    if #cls_t <= 0 then return nil end
 
     -- menu may contain some predefined values, otherwise start with a
     -- fresh menu.
-    if not menu
-    then
-        menu = {}
-    end
+    if not menu then menu = {} end
 
     -- Set the list of items and show the menu.
     menu.items = cls_t
@@ -83,32 +74,37 @@ function util.menu_clients_current_tags(menu, args)
 end
 
 -- Magnify a client: Set it to "float" and resize it.
+local magnified_client = nil
 function util.magnify_client(c)
-    if not awful.client.floating.get(c) then
-        awful.client.floating.set(c, true)
-
-        local mg = screen[mouse.screen].geometry
-        local tag = awful.tag.selected(mouse.screen)
-        local mwfact = awful.tag.getmwfact(tag)
-        local g = {}
-        g.width = math.sqrt(mwfact) * mg.width
-        g.height = math.sqrt(mwfact) * mg.height
-        g.x = mg.x + (mg.width - g.width) / 2
-        g.y = mg.y + (mg.height - g.height) / 2
-        c:geometry(g)
+    if c and not awful.client.floating.get(c) then
+        util.mc(c)
+        magnified_client = c
     else
         awful.client.floating.set(c, false)
+        magnified_client = nil
     end
 end
 
+-- https://github.com/copycat-killer/lain/issues/195
+function util.mc(c)
+    c = c or magnified_client
+    if not c then return end
+    awful.client.floating.set(c, true)
+    local mg = screen[mouse.screen].geometry
+    local tag = awful.tag.selected(mouse.screen)
+    local mwfact = awful.tag.getmwfact(tag)
+    local g = {}
+    g.width = math.sqrt(mwfact) * mg.width
+    g.height = math.sqrt(mwfact) * mg.height
+    g.x = mg.x + (mg.width - g.width) / 2
+    g.y = mg.y + (mg.height - g.height) / 2
+    c:geometry(g)
+end
+
 -- Read the nice value of pid from /proc.
 local function get_nice_value(pid)
     local n = first_line('/proc/' .. pid .. '/stat')
-    if n == nil
-    then
-        -- This should not happen. But I don't want to crash, either.
-        return 0
-    end
+    if not n then return 0 end
 
     -- Remove pid and tcomm. This is necessary because tcomm may contain
     -- nasty stuff such as whitespace or additional parentheses...
@@ -155,7 +151,7 @@ function util.tag_view_nonempty(direction, sc)
    local s = sc or mouse.screen or 1
    local scr = screen[s]
 
-   for i = 1, #tags[s] do
+   for i = 1, #awful.tag.gettags(s) do
        awful.tag.viewidx(direction,s)
        if #awful.client.visible(s) > 0 then
            return
@@ -191,7 +187,19 @@ function util.rename_tag(mypromptbox)
     end)
 end
 
--- Delete current tag (if empty)
+-- Move current tag
+-- pos in {-1, 1} <-> {previous, next} tag position
+function util.move_tag(pos)
+    local tag = awful.tag.selected(mouse.screen)
+    local idx = awful.tag.getidx(tag)
+    if tonumber(pos) <= -1 then
+        awful.tag.move(idx - 1, tag)
+    else
+        awful.tag.move(idx + 1, tag)
+    end
+end
+
+-- Remove current tag (if empty)
 -- Any rule set on the tag shall be broken
 function util.remove_tag()
     local tag = awful.tag.selected(mouse.screen)
@@ -207,4 +215,20 @@ function util.useless_gaps_resize(thatmuch)
     awful.layout.arrange(mouse.screen)
 end
 
+-- On the fly global border change
+function util.global_border_resize(thatmuch)
+    beautiful.global_border_width = tonumber(beautiful.global_border_width) + thatmuch
+    awful.layout.arrange(mouse.screen)
+end
+
+-- Check if an element exist on a table
+function util.element_in_table(element, tbl)
+    for _, i in pairs(tbl) do
+        if i == element then
+            return true
+        end
+    end
+    return false
+end
+
 return setmetatable(util, { __index = wrequire })