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Diffstat (limited to 'XMonad/Layout/ImageButtonDecoration.hs')
| -rw-r--r-- | XMonad/Layout/ImageButtonDecoration.hs | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/XMonad/Layout/ImageButtonDecoration.hs b/XMonad/Layout/ImageButtonDecoration.hs new file mode 100644 index 0000000..5e30044 --- /dev/null +++ b/XMonad/Layout/ImageButtonDecoration.hs @@ -0,0 +1,182 @@ +{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-} +---------------------------------------------------------------------------- +-- | +-- Module : XMonad.Layout.ImageButtonDecoration +-- Copyright : (c) Jan Vornberger 2009 +-- Alejandro Serrano 2010 +-- License : BSD3-style (see LICENSE) +-- +-- Maintainer : trupill@gmail.com +-- Stability : unstable +-- Portability : not portable +-- +-- A decoration that includes small image buttons on both ends which invoke +-- various actions when clicked on: Show a window menu (see +-- "XMonad.Actions.WindowMenu"), minimize, maximize or close the window. +-- +-- Note: For maximizing and minimizing to actually work, you will need +-- to integrate "XMonad.Layout.Maximize" and "XMonad.Layout.Minimize" into your +-- setup. See the documentation of those modules for more information. +-- +----------------------------------------------------------------------------- + +-- This module is mostly derived from "XMonad.Layout.DecorationAddons" +-- and "XMonad.Layout.ButtonDecoration" + +module XMonad.Layout.ImageButtonDecoration + ( -- * Usage: + -- $usage + imageButtonDeco + , defaultThemeWithImageButtons + , imageTitleBarButtonHandler + ) where + +import XMonad +import XMonad.Layout.Decoration +import XMonad.Layout.DecorationAddons +import XMonad.Util.Image + +import XMonad.Actions.WindowMenu +import XMonad.Layout.Minimize +import XMonad.Layout.Maximize + +-- $usage +-- You can use this module with the following in your +-- @~\/.xmonad\/xmonad.hs@: +-- +-- > import XMonad.Layout.ImageButtonDecoration +-- +-- Then edit your @layoutHook@ by adding the ImageButtonDecoration to +-- your layout: +-- +-- > myL = imageButtonDeco shrinkText defaultThemeWithImageButtons (layoutHook defaultConfig) +-- > main = xmonad defaultConfig { layoutHook = myL } +-- + +-- The buttons' dimension and placements + +buttonSize :: Int +buttonSize = 10 + +menuButtonOffset :: Int +menuButtonOffset = 4 + +minimizeButtonOffset :: Int +minimizeButtonOffset = 32 + +maximizeButtonOffset :: Int +maximizeButtonOffset = 18 + +closeButtonOffset :: Int +closeButtonOffset = 4 + + +-- The images in a 0-1 scale to make +-- it easier to visualize + +convertToBool' :: [Int] -> [Bool] +convertToBool' = map (\x -> x == 1) + +convertToBool :: [[Int]] -> [[Bool]] +convertToBool = map convertToBool' + +menuButton' :: [[Int]] +menuButton' = [[0,0,0,0,1,1,0,0,0,0], + [0,0,0,1,1,1,1,0,0,0], + [0,0,1,1,0,0,1,1,0,0], + [0,1,1,0,0,0,0,1,1,0], + [1,1,0,0,1,1,0,0,1,1], + [1,1,0,0,1,1,0,0,1,1], + [0,1,1,0,0,0,0,1,1,0], + [0,0,1,1,0,0,1,1,0,0], + [0,0,0,1,1,1,1,0,0,0], + [0,0,0,0,1,1,0,0,0,0]] + +menuButton :: [[Bool]] +menuButton = convertToBool menuButton' + +miniButton' :: [[Int]] +miniButton' = [[0,0,0,0,0,0,0,0,0,0], + [0,0,0,0,0,0,0,0,0,0], + [0,0,0,0,0,0,0,0,0,0], + [0,0,0,0,0,0,0,0,0,0], + [0,0,0,0,0,0,0,0,0,0], + [0,0,0,0,0,0,0,0,0,0], + [0,0,0,0,0,0,0,0,0,0], + [0,0,0,0,0,0,0,0,0,0], + [1,1,1,1,1,1,1,1,1,1], + [1,1,1,1,1,1,1,1,1,1]] + +miniButton :: [[Bool]] +miniButton = convertToBool miniButton' + +maxiButton' :: [[Int]] +maxiButton' = [[1,1,1,1,1,1,1,1,1,1], + [1,1,1,1,1,1,1,1,1,1], + [1,1,0,0,0,0,0,0,1,1], + [1,1,0,0,0,0,0,0,1,1], + [1,1,0,0,0,0,0,0,1,1], + [1,1,0,0,0,0,0,0,1,1], + [1,1,0,0,0,0,0,0,1,1], + [1,1,0,0,0,0,0,0,1,1], + [1,1,1,1,1,1,1,1,1,1], + [1,1,1,1,1,1,1,1,1,1]] + +maxiButton :: [[Bool]] +maxiButton = convertToBool maxiButton' + +closeButton' :: [[Int]] +closeButton' = [[1,1,0,0,0,0,0,0,1,1], + [1,1,1,0,0,0,0,1,1,1], + [0,1,1,1,0,0,1,1,1,0], + [0,0,1,1,1,1,1,1,0,0], + [0,0,0,1,1,1,1,0,0,0], + [0,0,0,1,1,1,1,0,0,0], + [0,0,1,1,1,1,1,1,0,0], + [0,1,1,1,0,0,1,1,1,0], + [1,1,1,0,0,0,0,1,1,1], + [1,1,0,0,0,0,0,0,1,1]] + + +closeButton :: [[Bool]] +closeButton = convertToBool closeButton' + +-- | A function intended to be plugged into the 'decorationCatchClicksHook' of a decoration. +-- It will intercept clicks on the buttons of the decoration and invoke the associated action. +-- To actually see the buttons, you will need to use a theme that includes them. +-- See 'defaultThemeWithImageButtons' below. +imageTitleBarButtonHandler :: Window -> Int -> Int -> X Bool +imageTitleBarButtonHandler mainw distFromLeft distFromRight = do + let action = if (fi distFromLeft >= menuButtonOffset && + fi distFromLeft <= menuButtonOffset + buttonSize) + then focus mainw >> windowMenu >> return True + else if (fi distFromRight >= closeButtonOffset && + fi distFromRight <= closeButtonOffset + buttonSize) + then focus mainw >> kill >> return True + else if (fi distFromRight >= maximizeButtonOffset && + fi distFromRight <= maximizeButtonOffset + buttonSize) + then focus mainw >> sendMessage (maximizeRestore mainw) >> return True + else if (fi distFromRight >= minimizeButtonOffset && + fi distFromRight <= minimizeButtonOffset + buttonSize) + then focus mainw >> sendMessage (MinimizeWin mainw) >> return True + else return False + action + +defaultThemeWithImageButtons :: Theme +defaultThemeWithImageButtons = defaultTheme { + windowTitleIcons = [ (menuButton, CenterLeft 3), + (closeButton, CenterRight 3), + (maxiButton, CenterRight 18), + (miniButton, CenterRight 33) ] + } + +imageButtonDeco :: (Eq a, Shrinker s) => s -> Theme + -> l a -> ModifiedLayout (Decoration ImageButtonDecoration s) l a +imageButtonDeco s c = decoration s c $ NFD True + +data ImageButtonDecoration a = NFD Bool deriving (Show, Read) + +instance Eq a => DecorationStyle ImageButtonDecoration a where + describeDeco _ = "ImageButtonDeco" + decorationCatchClicksHook _ mainw dFL dFR = imageTitleBarButtonHandler mainw dFL dFR + decorationAfterDraggingHook _ (mainw, _) decoWin = focus mainw >> handleScreenCrossing mainw decoWin >> return () |