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authorjao <jao@gnu.org>2022-09-11 02:27:56 +0100
committerjao <jao@gnu.org>2022-09-11 02:28:18 +0100
commitd0f547be5380ec14cc334b15a530ba869668581a (patch)
tree764bb33481073aff0f924df9dbce6375f5581995 /src
parent65f2bb18a372fc32a95c9887ba7a4006dc4ea24a (diff)
downloadxmobar-d0f547be5380ec14cc334b15a530ba869668581a.tar.gz
xmobar-d0f547be5380ec14cc334b15a530ba869668581a.tar.bz2
cairo: alpha (still pseudo, via xrender)
Diffstat (limited to 'src')
-rw-r--r--src/Xmobar/X11/CairoDraw.hs19
-rw-r--r--src/Xmobar/X11/Draw.hs11
-rw-r--r--src/Xmobar/X11/MinXft.hsc113
-rw-r--r--src/Xmobar/X11/XRender.hsc138
-rw-r--r--src/Xmobar/X11/XlibDraw.hs5
5 files changed, 160 insertions, 126 deletions
diff --git a/src/Xmobar/X11/CairoDraw.hs b/src/Xmobar/X11/CairoDraw.hs
index 464dfa3..32adac2 100644
--- a/src/Xmobar/X11/CairoDraw.hs
+++ b/src/Xmobar/X11/CairoDraw.hs
@@ -53,8 +53,9 @@ segmentMarkup :: Config -> Segment -> String
segmentMarkup conf (Text txt, info, idx, _actions) =
let fnt = fixXft $ indexedFont conf idx
(fg, bg) = colorComponents conf (tColorsString info)
- attrs = [P.FontDescr fnt, P.FontForeground fg, P.FontBackground bg]
- in P.markSpan attrs $ P.escapeMarkup txt
+ attrs = [P.FontDescr fnt, P.FontForeground fg]
+ attrs' = if bg == bgColor conf then attrs else P.FontBackground bg:attrs
+ in P.markSpan attrs' $ P.escapeMarkup txt
segmentMarkup _ _ = ""
withLayoutInfo :: P.PangoContext -> Double -> Config -> Segment -> IO LayoutInfo
@@ -86,21 +87,21 @@ renderLayout surface maxoff (off, actions) (segment, lyt, lwidth, voff) =
setSourceColor :: RGBS.Colour Double -> C.Render ()
setSourceColor = RGBS.uncurryRGB C.setSourceRGB . SRGB.toSRGB
-background :: Config -> SRGB.Colour Double -> C.Render ()
-background conf colour = do
- setSourceColor colour
- C.paintWithAlpha $ (fromIntegral (alpha conf)) / 255.0
-
readColourName :: String -> IO (RGBS.Colour Double)
readColourName str = do
case CNames.readColourName str of
Just c -> return c
Nothing -> return $ SRGB.sRGB24read str
+background :: Config -> SRGB.Colour Double -> C.Render ()
+background conf colour = do
+ setSourceColor colour
+ C.paintWithAlpha $ (fromIntegral (alpha conf)) / 255.0
+
renderBackground :: Config -> Surface -> IO ()
renderBackground conf surface = do
- col <- readColourName (bgColor conf)
- C.renderWith surface (background conf col)
+ when (alpha conf >= 255)
+ (readColourName (bgColor conf) >>= C.renderWith surface . background conf)
drawRect :: String -> Double -> (Double, Double, Double, Double) -> C.Render()
drawRect name wd (x0, y0, x1, y1) = do
diff --git a/src/Xmobar/X11/Draw.hs b/src/Xmobar/X11/Draw.hs
index ea7fa95..643ec13 100644
--- a/src/Xmobar/X11/Draw.hs
+++ b/src/Xmobar/X11/Draw.hs
@@ -24,9 +24,11 @@ import Control.Monad.Reader
import Graphics.X11.Xlib hiding (Segment)
+import Xmobar.Config.Types
import Xmobar.Run.Parsers (Segment)
import Xmobar.Run.Actions (Action)
import Xmobar.X11.Types
+import Xmobar.X11.XRender (drawBackground)
#ifdef CAIRO
import Xmobar.X11.CairoDraw
@@ -45,10 +47,19 @@ drawInWin conf bound@(Rectangle _ _ wid ht) segments = do
r <- ask
let d = display r
w = window r
+
depth = defaultDepthOfScreen (defaultScreenOfDisplay d)
p <- liftIO $ createPixmap d w wid ht depth
gc <- liftIO $ createGC d w
liftIO $ setGraphicsExposures d gc False
+
+#if defined(XFT) || defined(CAIRO)
+ let conf = config r
+ alph = alpha conf
+ when (alph < 255)
+ (liftIO $ drawBackground d p (bgColor conf) alph (Rectangle 0 0 wid ht))
+#endif
+
#ifdef CAIRO
res <- drawInPixmap p wid ht segments
#else
diff --git a/src/Xmobar/X11/MinXft.hsc b/src/Xmobar/X11/MinXft.hsc
index e593da0..e485488 100644
--- a/src/Xmobar/X11/MinXft.hsc
+++ b/src/Xmobar/X11/MinXft.hsc
@@ -1,7 +1,7 @@
------------------------------------------------------------------------------
-- |
-- Module: MinXft
--- Copyright: (c) 2012, 2014, 2015, 2017 Jose Antonio Ortega Ruiz
+-- Copyright: (c) 2012, 2014, 2015, 2017, 2022 Jose Antonio Ortega Ruiz
-- (c) Clemens Fruhwirth <clemens@endorphin.org> 2007
-- License: BSD3-style (see LICENSE)
--
@@ -28,7 +28,6 @@ module Xmobar.X11.MinXft ( AXftColor
, withAXftDraw
, drawXftString
, drawXftString'
- , drawBackground
, drawXftRect
, openAXftFont
, closeAXftFont
@@ -47,7 +46,6 @@ where
import Graphics.X11
import Graphics.X11.Xlib.Types
import Graphics.X11.Xrender
-import Graphics.X11.Xlib.Extras (xGetWindowProperty, xFree)
import Foreign
import Foreign.C.Types
@@ -55,8 +53,6 @@ import Foreign.C.String
import Codec.Binary.UTF8.String as UTF8
import Data.Char (ord)
-import Control.Monad (when)
-
#include <X11/Xft/Xft.h>
-- Color Handling
@@ -224,110 +220,3 @@ drawXftRect :: (Integral a3, Integral a2, Integral a1, Integral a) =>
AXftDraw -> AXftColor -> a -> a1 -> a2 -> a3 -> IO ()
drawXftRect draw color x y width height =
cXftDrawRect draw color (fi x) (fi y) (fi width) (fi height)
-
-#include <X11/extensions/Xrender.h>
-
-type Picture = XID
-type PictOp = CInt
-
-data XRenderPictFormat
-data XRenderPictureAttributes = XRenderPictureAttributes
-
--- foreign import ccall unsafe "X11/extensions/Xrender.h XRenderFillRectangle"
- -- xRenderFillRectangle :: Display -> PictOp -> Picture -> Ptr XRenderColor -> CInt -> CInt -> CUInt -> CUInt -> IO ()
-foreign import ccall unsafe "X11/extensions/Xrender.h XRenderComposite"
- xRenderComposite :: Display -> PictOp -> Picture -> Picture -> Picture -> CInt -> CInt -> CInt -> CInt -> CInt -> CInt -> CUInt -> CUInt -> IO ()
-foreign import ccall unsafe "X11/extensions/Xrender.h XRenderCreateSolidFill"
- xRenderCreateSolidFill :: Display -> Ptr XRenderColor -> IO Picture
-foreign import ccall unsafe "X11/extensions/Xrender.h XRenderFreePicture"
- xRenderFreePicture :: Display -> Picture -> IO ()
-foreign import ccall unsafe "string.h" memset :: Ptr a -> CInt -> CSize -> IO ()
-foreign import ccall unsafe "X11/extensions/Xrender.h XRenderFindStandardFormat"
- xRenderFindStandardFormat :: Display -> CInt -> IO (Ptr XRenderPictFormat)
-foreign import ccall unsafe "X11/extensions/Xrender.h XRenderCreatePicture"
- xRenderCreatePicture :: Display -> Drawable -> Ptr XRenderPictFormat -> CULong -> Ptr XRenderPictureAttributes -> IO Picture
-
-
--- Attributes not supported
-instance Storable XRenderPictureAttributes where
- sizeOf _ = #{size XRenderPictureAttributes}
- alignment _ = alignment (undefined :: CInt)
- peek _ = return XRenderPictureAttributes
- poke p XRenderPictureAttributes =
- memset p 0 #{size XRenderPictureAttributes}
-
--- | Convenience function, gives us an XRender handle to a traditional
--- Pixmap. Don't let it escape.
-withRenderPicture :: Display -> Drawable -> (Picture -> IO a) -> IO ()
-withRenderPicture d p f = do
- format <- xRenderFindStandardFormat d 1 -- PictStandardRGB24
- alloca $ \attr -> do
- pic <- xRenderCreatePicture d p format 0 attr
- f pic
- xRenderFreePicture d pic
-
--- | Convenience function, gives us an XRender picture that is a solid
--- fill of color 'c'. Don't let it escape.
-withRenderFill :: Display -> XRenderColor -> (Picture -> IO a) -> IO ()
-withRenderFill d c f = do
- pic <- with c (xRenderCreateSolidFill d)
- f pic
- xRenderFreePicture d pic
-
--- | Drawing the background to a pixmap and taking into account
--- transparency
-drawBackground :: Display -> Drawable -> String -> Int -> Rectangle -> IO ()
-drawBackground d p bgc alpha (Rectangle x y wid ht) = do
- let render opt bg pic m =
- xRenderComposite d opt bg m pic
- (fromIntegral x) (fromIntegral y) 0 0
- 0 0 (fromIntegral wid) (fromIntegral ht)
- withRenderPicture d p $ \pic -> do
- -- Handle background color
- bgcolor <- parseRenderColor d bgc
- withRenderFill d bgcolor $ \bgfill ->
- withRenderFill d
- (XRenderColor 0 0 0 (257 * alpha))
- (render pictOpSrc bgfill pic)
- -- Handle transparency
- internAtom d "_XROOTPMAP_ID" False >>= \xid ->
- let xroot = defaultRootWindow d in
- alloca $ \x1 ->
- alloca $ \x2 ->
- alloca $ \x3 ->
- alloca $ \x4 ->
- alloca $ \pprop -> do
- xGetWindowProperty d xroot xid 0 1 False 20 x1 x2 x3 x4 pprop
- prop <- peek pprop
- when (prop /= nullPtr) $ do
- rootbg <- peek (castPtr prop) :: IO Pixmap
- xFree prop
- withRenderPicture d rootbg $ \bgpic ->
- withRenderFill d (XRenderColor 0 0 0 (0xFFFF - 257 * alpha))
- (render pictOpAdd bgpic pic)
-
--- | Parses color into XRender color (allocation not necessary!)
-parseRenderColor :: Display -> String -> IO XRenderColor
-parseRenderColor d c = do
- let colormap = defaultColormap d (defaultScreen d)
- Color _ red green blue _ <- parseColor d colormap c
- return $ XRenderColor (fromIntegral red) (fromIntegral green) (fromIntegral blue) 0xFFFF
-
-pictOpSrc, pictOpAdd :: PictOp
-pictOpSrc = 1
-pictOpAdd = 12
-
--- pictOpMinimum = 0
--- pictOpClear = 0
--- pictOpDst = 2
--- pictOpOver = 3
--- pictOpOverReverse = 4
--- pictOpIn = 5
--- pictOpInReverse = 6
--- pictOpOut = 7
--- pictOpOutReverse = 8
--- pictOpAtop = 9
--- pictOpAtopReverse = 10
--- pictOpXor = 11
--- pictOpSaturate = 13
--- pictOpMaximum = 13
diff --git a/src/Xmobar/X11/XRender.hsc b/src/Xmobar/X11/XRender.hsc
new file mode 100644
index 0000000..5ad0391
--- /dev/null
+++ b/src/Xmobar/X11/XRender.hsc
@@ -0,0 +1,138 @@
+------------------------------------------------------------------------------
+-- |
+-- Module: Xmobar.X11.XRender
+-- Copyright: (c) 2012, 2014, 2015, 2017, 2022 Jose Antonio Ortega Ruiz
+-- (c) Clemens Fruhwirth <clemens@endorphin.org> 2007
+-- License: BSD3-style (see LICENSE)
+--
+-- Maintainer: jao@gnu.org
+-- Stability: unstable
+-- Portability: unportable
+-- Created: Sun Sep 11, 2022 01:27
+--
+--
+-- A couple of utilities imported from libxrender to allow alpha blending of
+-- an image backgrond.
+--
+------------------------------------------------------------------------------
+
+{-# LANGUAGE ForeignFunctionInterface, EmptyDataDecls #-}
+
+module Xmobar.X11.XRender (drawBackground) where
+
+import Graphics.X11
+import Graphics.X11.Xrender
+import Graphics.X11.Xlib.Extras (xGetWindowProperty, xFree)
+import Control.Monad (when)
+
+import Foreign
+import Foreign.C.Types
+
+#include <X11/extensions/Xrender.h>
+
+type Picture = XID
+type PictOp = CInt
+
+data XRenderPictFormat
+data XRenderPictureAttributes = XRenderPictureAttributes
+
+-- foreign import ccall unsafe "X11/extensions/Xrender.h XRenderFillRectangle"
+-- xRenderFillRectangle :: Display -> PictOp -> Picture -> Ptr XRenderColor -> CInt -> CInt -> CUInt -> CUInt -> IO ()
+foreign import ccall unsafe "X11/extensions/Xrender.h XRenderComposite"
+ xRenderComposite :: Display -> PictOp -> Picture -> Picture -> Picture -> CInt -> CInt -> CInt -> CInt -> CInt -> CInt -> CUInt -> CUInt -> IO ()
+foreign import ccall unsafe "X11/extensions/Xrender.h XRenderCreateSolidFill"
+ xRenderCreateSolidFill :: Display -> Ptr XRenderColor -> IO Picture
+foreign import ccall unsafe "X11/extensions/Xrender.h XRenderFreePicture"
+ xRenderFreePicture :: Display -> Picture -> IO ()
+foreign import ccall unsafe "string.h" memset :: Ptr a -> CInt -> CSize -> IO ()
+foreign import ccall unsafe "X11/extensions/Xrender.h XRenderFindStandardFormat"
+ xRenderFindStandardFormat :: Display -> CInt -> IO (Ptr XRenderPictFormat)
+foreign import ccall unsafe "X11/extensions/Xrender.h XRenderCreatePicture"
+ xRenderCreatePicture :: Display -> Drawable -> Ptr XRenderPictFormat -> CULong -> Ptr XRenderPictureAttributes -> IO Picture
+
+-- Attributes not supported
+instance Storable XRenderPictureAttributes where
+ sizeOf _ = #{size XRenderPictureAttributes}
+ alignment _ = alignment (undefined :: CInt)
+ peek _ = return XRenderPictureAttributes
+ poke p XRenderPictureAttributes =
+ memset p 0 #{size XRenderPictureAttributes}
+
+-- | Convenience function, gives us an XRender handle to a traditional
+-- Pixmap. Don't let it escape.
+withRenderPicture :: Display -> Drawable -> (Picture -> IO a) -> IO ()
+withRenderPicture d p f = do
+ format <- xRenderFindStandardFormat d 1 -- PictStandardRGB24
+ alloca $ \attr -> do
+ pic <- xRenderCreatePicture d p format 0 attr
+ f pic
+ xRenderFreePicture d pic
+
+-- | Convenience function, gives us an XRender picture that is a solid
+-- fill of color 'c'. Don't let it escape.
+withRenderFill :: Display -> XRenderColor -> (Picture -> IO a) -> IO ()
+withRenderFill d c f = do
+ pic <- with c (xRenderCreateSolidFill d)
+ f pic
+ xRenderFreePicture d pic
+
+-- | Drawing the background to a pixmap and taking into account
+-- transparency
+drawBackground :: Display -> Drawable -> String -> Int -> Rectangle -> IO ()
+drawBackground d p bgc alpha (Rectangle x y wid ht) = do
+ let render opt bg pic m =
+ xRenderComposite d opt bg m pic
+ (fromIntegral x) (fromIntegral y) 0 0
+ 0 0 (fromIntegral wid) (fromIntegral ht)
+ withRenderPicture d p $ \pic -> do
+ -- Handle background color
+ bgcolor <- parseRenderColor d bgc
+ withRenderFill d bgcolor $ \bgfill ->
+ withRenderFill d
+ (XRenderColor 0 0 0 (257 * alpha))
+ (render pictOpSrc bgfill pic)
+ -- Handle transparency
+ internAtom d "_XROOTPMAP_ID" False >>= \xid ->
+ let xroot = defaultRootWindow d in
+ alloca $ \x1 ->
+ alloca $ \x2 ->
+ alloca $ \x3 ->
+ alloca $ \x4 ->
+ alloca $ \pprop -> do
+ xGetWindowProperty d xroot xid 0 1 False 20 x1 x2 x3 x4 pprop
+ prop <- peek pprop
+ when (prop /= nullPtr) $ do
+ rootbg <- peek (castPtr prop) :: IO Pixmap
+ xFree prop
+ withRenderPicture d rootbg $ \bgpic ->
+ withRenderFill d (XRenderColor 0 0 0 (0xFFFF - 257 * alpha))
+ (render pictOpAdd bgpic pic)
+
+-- | Parses color into XRender color (allocation not necessary!)
+parseRenderColor :: Display -> String -> IO XRenderColor
+parseRenderColor d c = do
+ let colormap = defaultColormap d (defaultScreen d)
+ Color _ red green blue _ <- parseColor d colormap c
+ return $ XRenderColor (fromIntegral red)
+ (fromIntegral green)
+ (fromIntegral blue)
+ 0xFFFF
+
+pictOpSrc, pictOpAdd :: PictOp
+pictOpSrc = 1
+pictOpAdd = 12
+
+-- pictOpMinimum = 0
+-- pictOpClear = 0
+-- pictOpDst = 2
+-- pictOpOver = 3
+-- pictOpOverReverse = 4
+-- pictOpIn = 5
+-- pictOpInReverse = 6
+-- pictOpOut = 7
+-- pictOpOutReverse = 8
+-- pictOpAtop = 9
+-- pictOpAtopReverse = 10
+-- pictOpXor = 11
+-- pictOpSaturate = 13
+-- pictOpMaximum = 13
diff --git a/src/Xmobar/X11/XlibDraw.hs b/src/Xmobar/X11/XlibDraw.hs
index 5525b70..9483c16 100644
--- a/src/Xmobar/X11/XlibDraw.hs
+++ b/src/Xmobar/X11/XlibDraw.hs
@@ -63,11 +63,6 @@ drawInPixmap gc p wid ht ~[left,center,right] = do
getWidth (Hspace s,cl,i,_) = return (Hspace s,cl,i,fi s)
fillBackground clr = setForeground d gc clr >> fillRectangle d p gc 0 0 wid ht
-#if XFT
- when (alpha c /= 255)
- (liftIO $ drawBackground d p (bgColor c) (alpha c) (Rectangle 0 0 wid ht))
-#endif
-
withColors d [bgColor c, borderColor c] $ \[bgcolor, bdcolor] -> do
#if XFT
when (alpha c == 255) $ liftIO (fillBackground bgcolor)