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74 lines
2.4 KiB
Haskell
74 lines
2.4 KiB
Haskell
{- |
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Module : XMonad.Util.XPaste
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Author : Jérémy Bobbio
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Copyright : (C) 2008
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License : BSD3
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Maintainer : <gwern0@gmail.com>
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Stability : unstable
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Portability : unportable
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A module for sending key presses to windows. This modules provides generalized
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and specialized functions for this task.
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-}
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module XMonad.Util.XPaste where
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import XMonad (io, theRoot, withDisplay, X ())
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import Graphics.X11
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import Graphics.X11.Xlib.Extras (none, setEventType, setKeyEvent)
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import Control.Monad.Reader (asks)
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import XMonad.Operations (withFocused)
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import Data.Char (isUpper)
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import Graphics.X11.Xlib.Misc (stringToKeysym)
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import XMonad.Util.XSelection (getSelection)
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{- $usage
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Import this module into your xmonad.hs as usual:
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> import XMonad.Util.XPaste
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And use the functions. They all return "X ()", and so are appropriate for use as keybindings.
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Example:
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> , ((m, xK_d), pasteString "foo bar") ]
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Don't expect too much of the functions; they probably don't work on complex
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texts.
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-}
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-- | Paste the current X mouse selection. Note that this uses 'getSelection' from "XMonad.Util.XSelection" and so is heir to its flaws.
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pasteSelection :: X ()
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pasteSelection = getSelection >>= pasteString
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-- | Send a string to the window with current focus. This function correctly handles capitalization.
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pasteString :: String -> X ()
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pasteString = mapM_ (\x -> if isUpper x then pasteChar shiftMask x else pasteChar 0 x)
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{- | Send a character to the current window. This is more low-level.
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Remember that you must handle the case of capitalization appropriately. That is, from the window's perspective:
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> pasteChar mod2Mask 'F' ~> "f"
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You would want to do something like:
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> pasteChar shiftMask 'F'
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-}
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pasteChar :: KeyMask -> Char -> X ()
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pasteChar m c = pasteKey m $ stringToKeysym [c]
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pasteKey :: KeyMask -> KeySym -> X ()
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pasteKey = (withFocused .) . pasteKeyWindow
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pasteKeyWindow :: KeyMask -> KeySym -> Window -> X ()
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pasteKeyWindow mods key w = withDisplay $ \d -> do
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rootw <- asks theRoot
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keycode <- io $ keysymToKeycode d key
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io $ allocaXEvent $ \ev -> do
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setEventType ev keyPress
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setKeyEvent ev w rootw none mods keycode True
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sendEvent d w True keyPressMask ev
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setEventType ev keyRelease
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sendEvent d w True keyReleaseMask ev |