From 7cd1a62cf81826a72dc9a4ae6adc3b40dbd646da Mon Sep 17 00:00:00 2001 From: Spencer Janssen Date: Fri, 16 Nov 2007 22:57:20 +0100 Subject: Move XMonad.Util.Font to fix haddock generation darcs-hash:20071116215720-a5988-b4f40df339aeed5736edcb35b1a85424403d947d.gz --- XMonad/Util/Font.cpphs | 159 ++++++++++++++++++++++++++++++++++++++++++++++++ XMonad/Util/Font.hs | 161 ------------------------------------------------- 2 files changed, 159 insertions(+), 161 deletions(-) create mode 100644 XMonad/Util/Font.cpphs delete mode 100644 XMonad/Util/Font.hs diff --git a/XMonad/Util/Font.cpphs b/XMonad/Util/Font.cpphs new file mode 100644 index 0000000..56fe43e --- /dev/null +++ b/XMonad/Util/Font.cpphs @@ -0,0 +1,159 @@ +---------------------------------------------------------------------------- +-- | +-- Module : XMonad.Util.Font +-- Copyright : (c) 2007 Andrea Rossato +-- License : BSD-style (see xmonad/LICENSE) +-- +-- Maintainer : andrea.rossato@unibz.it +-- Stability : unstable +-- Portability : unportable +-- +-- A module for abstracting a font facility over Core fonts and Xft +-- +----------------------------------------------------------------------------- + +module XMonad.Util.Font ( + -- * Usage: + -- $usage + XMonadFont(..) + , initXMF + , releaseXMF + , initCoreFont + , releaseCoreFont + , Align (..) + , stringPosition + , textWidthXMF + , textExtentsXMF + , printStringXMF + , stringToPixel + ) where + + +import Graphics.X11.Xlib +import Control.Monad.Reader +import XMonad +import Foreign +import XMonad.Operations + +#ifdef XFT +import Data.List +import Graphics.X11.Xft +import Graphics.X11.Xrender +#endif + +-- Hide the Core Font/Xft switching here +data XMonadFont = Core FontStruct +#ifdef XFT + | Xft XftFont +#endif + +-- $usage +-- See Tabbed or Prompt for usage examples + +-- | Get the Pixel value for a named color: if an invalid name is +-- given the black pixel will be returned. +stringToPixel :: String -> X Pixel +stringToPixel s = do + d <- asks display + io $ catch (getIt d) (fallBack d) + where getIt d = initColor d s + fallBack d = const $ return $ blackPixel d (defaultScreen d) + + +-- | Given a fontname returns the font structure. If the font name is +-- not valid the default font will be loaded and returned. +initCoreFont :: String -> X FontStruct +initCoreFont s = do + d <- asks display + io $ catch (getIt d) (fallBack d) + where getIt d = loadQueryFont d s + fallBack d = const $ loadQueryFont d "-misc-fixed-*-*-*-*-10-*-*-*-*-*-*-*" + +releaseCoreFont :: FontStruct -> X () +releaseCoreFont fs = do + d <- asks display + io $ freeFont d fs + +-- | When initXMF gets a font name that starts with 'xft:' it switchs to the Xft backend +-- Example: 'xft: Sans-10' +initXMF :: String -> X XMonadFont +initXMF s = +#ifdef XFT + if xftPrefix `isPrefixOf` s then + do + dpy <- asks display + xftdraw <- io $ xftFontOpen dpy (defaultScreenOfDisplay dpy) (drop (length xftPrefix) s) + return (Xft xftdraw) + else +#endif + (initCoreFont s >>= (return . Core)) +#ifdef XFT + where xftPrefix = "xft:" +#endif + +releaseXMF :: XMonadFont -> X () +releaseXMF (Core fs) = releaseCoreFont fs +#ifdef XFT +releaseXMF (Xft xftfont) = do + dpy <- asks display + io $ xftFontClose dpy xftfont +#endif + +textWidthXMF :: Display -> XMonadFont -> String -> IO Int +textWidthXMF _ (Core fs) s = return $ fi $ textWidth fs s +#ifdef XFT +textWidthXMF dpy (Xft xftdraw) s = do + gi <- xftTextExtents dpy xftdraw s + return $ xglyphinfo_width gi +#endif + +textExtentsXMF :: Display -> XMonadFont -> String -> IO (FontDirection,Int32,Int32,CharStruct) +textExtentsXMF _ (Core fs) s = return $ textExtents fs s +#ifdef XFT +textExtentsXMF _ (Xft xftfont) _ = do + ascent <- xftfont_ascent xftfont + descent <- xftfont_descent xftfont + return (error "Font direction touched", fi ascent, fi descent, error "Font overall size touched") +#endif + +-- | String position +data Align = AlignCenter | AlignRight | AlignLeft + +-- | Return the string x and y 'Position' in a 'Rectangle', given a +-- 'FontStruct' and the 'Align'ment +stringPosition :: XMonadFont -> Rectangle -> Align -> String -> X (Position,Position) +stringPosition fs (Rectangle _ _ w h) al s = do + dpy <- asks display + width <- io $ textWidthXMF dpy fs s + (_,a,d,_) <- io $ textExtentsXMF dpy fs s + let y = fi $ ((h - fi (a + d)) `div` 2) + fi a; + x = case al of + AlignCenter -> fi (w `div` 2) - fi (width `div` 2) + AlignLeft -> 1 + AlignRight -> fi (w - (fi width + 1)); + return (x,y) + + +printStringXMF :: Display -> Drawable -> XMonadFont -> GC -> String -> String + -> Position -> Position -> String -> X () +printStringXMF d p (Core fs) gc fc bc x y s = do + io $ setFont d gc $ fontFromFontStruct fs + [fc',bc'] <- mapM stringToPixel [fc,bc] + io $ setForeground d gc fc' + io $ setBackground d gc bc' + io $ drawImageString d p gc x y s + +#ifdef XFT +printStringXMF dpy drw (Xft font) _ fc _ x y s = do + let screen = defaultScreenOfDisplay dpy; + colormap = defaultColormapOfScreen screen; + visual = defaultVisualOfScreen screen; + io $ withXftDraw dpy drw visual colormap $ + \draw -> withXftColorName dpy visual colormap fc $ + \color -> xftDrawString draw color font x y s +#endif + + +-- | Short-hand for 'fromIntegral' +fi :: (Integral a, Num b) => a -> b +fi = fromIntegral diff --git a/XMonad/Util/Font.hs b/XMonad/Util/Font.hs deleted file mode 100644 index b244fb5..0000000 --- a/XMonad/Util/Font.hs +++ /dev/null @@ -1,161 +0,0 @@ -{-# LANGUAGE CPP #-} - ----------------------------------------------------------------------------- --- | --- Module : XMonad.Util.Font --- Copyright : (c) 2007 Andrea Rossato --- License : BSD-style (see xmonad/LICENSE) --- --- Maintainer : andrea.rossato@unibz.it --- Stability : unstable --- Portability : unportable --- --- A module for abstracting a font facility over Core fonts and Xft --- ------------------------------------------------------------------------------ - -module XMonad.Util.Font ( - -- * Usage: - -- $usage - XMonadFont(..) - , initXMF - , releaseXMF - , initCoreFont - , releaseCoreFont - , Align (..) - , stringPosition - , textWidthXMF - , textExtentsXMF - , printStringXMF - , stringToPixel - ) where - - -import Graphics.X11.Xlib -import Control.Monad.Reader -import XMonad -import Foreign -import XMonad.Operations - -#ifdef XFT -import Data.List -import Graphics.X11.Xft -import Graphics.X11.Xrender -#endif - --- Hide the Core Font/Xft switching here -data XMonadFont = Core FontStruct -#ifdef XFT - | Xft XftFont -#endif - --- $usage --- See Tabbed or Prompt for usage examples - --- | Get the Pixel value for a named color: if an invalid name is --- given the black pixel will be returned. -stringToPixel :: String -> X Pixel -stringToPixel s = do - d <- asks display - io $ catch (getIt d) (fallBack d) - where getIt d = initColor d s - fallBack d = const $ return $ blackPixel d (defaultScreen d) - - --- | Given a fontname returns the font structure. If the font name is --- not valid the default font will be loaded and returned. -initCoreFont :: String -> X FontStruct -initCoreFont s = do - d <- asks display - io $ catch (getIt d) (fallBack d) - where getIt d = loadQueryFont d s - fallBack d = const $ loadQueryFont d "-misc-fixed-*-*-*-*-10-*-*-*-*-*-*-*" - -releaseCoreFont :: FontStruct -> X () -releaseCoreFont fs = do - d <- asks display - io $ freeFont d fs - --- | When initXMF gets a font name that starts with 'xft:' it switchs to the Xft backend --- Example: 'xft: Sans-10' -initXMF :: String -> X XMonadFont -initXMF s = -#ifdef XFT - if xftPrefix `isPrefixOf` s then - do - dpy <- asks display - xftdraw <- io $ xftFontOpen dpy (defaultScreenOfDisplay dpy) (drop (length xftPrefix) s) - return (Xft xftdraw) - else -#endif - (initCoreFont s >>= (return . Core)) -#ifdef XFT - where xftPrefix = "xft:" -#endif - -releaseXMF :: XMonadFont -> X () -releaseXMF (Core fs) = releaseCoreFont fs -#ifdef XFT -releaseXMF (Xft xftfont) = do - dpy <- asks display - io $ xftFontClose dpy xftfont -#endif - -textWidthXMF :: Display -> XMonadFont -> String -> IO Int -textWidthXMF _ (Core fs) s = return $ fi $ textWidth fs s -#ifdef XFT -textWidthXMF dpy (Xft xftdraw) s = do - gi <- xftTextExtents dpy xftdraw s - return $ xglyphinfo_width gi -#endif - -textExtentsXMF :: Display -> XMonadFont -> String -> IO (FontDirection,Int32,Int32,CharStruct) -textExtentsXMF _ (Core fs) s = return $ textExtents fs s -#ifdef XFT -textExtentsXMF _ (Xft xftfont) _ = do - ascent <- xftfont_ascent xftfont - descent <- xftfont_descent xftfont - return (error "Font direction touched", fi ascent, fi descent, error "Font overall size touched") -#endif - --- | String position -data Align = AlignCenter | AlignRight | AlignLeft - --- | Return the string x and y 'Position' in a 'Rectangle', given a --- 'FontStruct' and the 'Align'ment -stringPosition :: XMonadFont -> Rectangle -> Align -> String -> X (Position,Position) -stringPosition fs (Rectangle _ _ w h) al s = do - dpy <- asks display - width <- io $ textWidthXMF dpy fs s - (_,a,d,_) <- io $ textExtentsXMF dpy fs s - let y = fi $ ((h - fi (a + d)) `div` 2) + fi a; - x = case al of - AlignCenter -> fi (w `div` 2) - fi (width `div` 2) - AlignLeft -> 1 - AlignRight -> fi (w - (fi width + 1)); - return (x,y) - - -printStringXMF :: Display -> Drawable -> XMonadFont -> GC -> String -> String - -> Position -> Position -> String -> X () -printStringXMF d p (Core fs) gc fc bc x y s = do - io $ setFont d gc $ fontFromFontStruct fs - [fc',bc'] <- mapM stringToPixel [fc,bc] - io $ setForeground d gc fc' - io $ setBackground d gc bc' - io $ drawImageString d p gc x y s - -#ifdef XFT -printStringXMF dpy drw (Xft font) _ fc _ x y s = do - let screen = defaultScreenOfDisplay dpy; - colormap = defaultColormapOfScreen screen; - visual = defaultVisualOfScreen screen; - io $ withXftDraw dpy drw visual colormap $ - \draw -> withXftColorName dpy visual colormap fc $ - \color -> xftDrawString draw color font x y s -#endif - - --- | Short-hand for 'fromIntegral' -fi :: (Integral a, Num b) => a -> b -fi = fromIntegral -- cgit v1.2.3