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-rw-r--r--lib/Phi/Widgets/Taskbar.hs103
1 files changed, 78 insertions, 25 deletions
diff --git a/lib/Phi/Widgets/Taskbar.hs b/lib/Phi/Widgets/Taskbar.hs
index d7907a0..3f3b3c2 100644
--- a/lib/Phi/Widgets/Taskbar.hs
+++ b/lib/Phi/Widgets/Taskbar.hs
@@ -1,6 +1,10 @@
-{-# LANGUAGE TypeFamilies, DeriveDataTypeable #-}
+{-# LANGUAGE TypeFamilies, DeriveDataTypeable, TypeSynonymInstances #-}
-module Phi.Widgets.Taskbar ( TaskbarConfig(..)
+module Phi.Widgets.Taskbar ( IconStyle
+ , idIconStyle
+ , desaturateIconStyle
+ , TaskStyle(..)
+ , TaskbarConfig(..)
, defaultTaskbarConfig
, taskbar
) where
@@ -41,19 +45,62 @@ import Phi.Widget
import Phi.X11.Atoms
-data TaskbarConfig = TaskbarConfig { taskbarFont :: !String
- , taskMaxSize :: !Int
+type IconStyle = Surface -> Render ()
+instance Show IconStyle where
+ show _ = "IconStyle"
+
+idIconStyle :: IconStyle
+idIconStyle = flip withPatternForSurface setSource
+
+desaturateIconStyle :: Double -> IconStyle
+desaturateIconStyle v icon = do
+ w <- imageSurfaceGetWidth icon
+ h <- imageSurfaceGetHeight icon
+
+ renderWithSimilarSurface ContentColorAlpha w h $ \surface1 -> do
+ renderWithSimilarSurface ContentColor w h $ \surface2 -> do
+ renderWith surface1 $ do
+ renderWith surface2 $ do
+ withPatternForSurface icon setSource
+ paint
+
+ setOperator OperatorHslSaturation
+ setSourceRGBA 0 0 0 (1-v)
+ paint
+
+ withPatternForSurface surface2 setSource
+ paint
+
+ setOperator OperatorDestIn
+ withPatternForSurface icon setSource
+ paint
+
+ withPatternForSurface surface1 setSource
+
+data TaskStyle = TaskStyle { taskFont :: !String
+ , taskColor :: !Color
+ , taskBorder :: !BorderConfig
+ , taskIconStyle :: !IconStyle
+ } deriving Show
+
+data TaskbarConfig = TaskbarConfig { taskMaxSize :: !Int
, showDesktops :: !Bool
- , taskBorder :: !BorderConfig
- , activeTaskBorder :: !BorderConfig
+ , normalTaskStyle :: !TaskStyle
+ , activeTaskStyle :: !TaskStyle
} deriving Show
+defaultStyle :: TaskStyle
+defaultStyle = TaskStyle { taskFont = "Sans 8"
+ , taskColor = (0, 0, 0, 1)
+ , taskBorder = defaultBorderConfig
+ , taskIconStyle = idIconStyle
+ }
+
defaultTaskbarConfig :: TaskbarConfig
-defaultTaskbarConfig = TaskbarConfig { taskbarFont = "Sans 7"
- , taskMaxSize = 150
+defaultTaskbarConfig = TaskbarConfig { taskMaxSize = 150
, showDesktops = False
- , taskBorder = defaultBorderConfig
- , activeTaskBorder = defaultBorderConfig { borderColor = (1, 1, 1, 1) }
+ , normalTaskStyle = defaultStyle
+ , activeTaskStyle = defaultStyle {taskBorder = defaultBorderConfig { borderColor = (1, 1, 1, 1) }}
}
data Taskbar = Taskbar TaskbarConfig deriving Show
@@ -90,35 +137,41 @@ instance WidgetClass Taskbar where
minSize _ = 0
weight _ = 1
- render (Taskbar config) TaskbarState {taskbarActiveWindow = activeWindow, taskbarDesktopCount = desktopCount, taskbarWindows = windows, taskbarWindowStates = windowStates, taskbarWindowIcons = windowIcons} w h = do
+ render (Taskbar config) TaskbarState { taskbarActiveWindow = activeWindow
+ , taskbarDesktopCount = desktopCount
+ , taskbarWindows = windows
+ , taskbarWindowStates = windowStates
+ , taskbarWindowIcons = windowIcons
+ } w h = do
let desktopWindows = map (\desktop -> (desktop, filter (fromMaybe False . fmap (windowOnDesktop desktop) . flip M.lookup windowStates) windows)) $ take desktopCount [0..]
windowCount = sum $ map (length . snd) $ desktopWindows
when (windowCount /= 0) $ do
let windowWidth = min (taskMaxSize config) (w `div` windowCount)
forM_ (zip [0..] $ join $ map snd desktopWindows) $ \(i, window) -> do
- let border = if window == activeWindow then activeTaskBorder config else taskBorder config
- leftBorder = (borderLeft $ margin border) + (borderWidth border) + (borderLeft $ padding border)
- rightBorder = (borderRight $ margin border) + (borderWidth border) + (borderRight $ padding border)
- h' = h - (borderV $ margin border)
+ let style = (if window == activeWindow then activeTaskStyle else normalTaskStyle) config
+ (r, g, b, a) = taskColor style
+ leftBorder = (borderLeft $ margin $ taskBorder style) + (borderWidth $ taskBorder style) + (borderLeft $ padding $ taskBorder style)
+ rightBorder = (borderRight $ margin $ taskBorder style) + (borderWidth $ taskBorder style) + (borderRight $ padding $ taskBorder style)
+ h' = h - (borderV $ margin $ taskBorder style)
mstate = M.lookup window windowStates
micons = M.lookup window windowIcons
case (mstate, micons) of
(Just state, Just icons) -> do
save
- drawBorder border (i*windowWidth) 0 windowWidth h
+ drawBorder (taskBorder style) (i*windowWidth) 0 windowWidth h
clip
- setSourceRGB 1 1 1
- renderText config (fromIntegral (i*windowWidth + leftBorder + h' + 3)) 0 (windowWidth - leftBorder - h' - 3 - rightBorder) h $ windowTitle state
+ setSourceRGBA r g b a
+ renderText style (fromIntegral (i*windowWidth + leftBorder + h' + 3)) 0 (windowWidth - leftBorder - h' - 3 - rightBorder) h $ windowTitle state
restore
case bestIcon h' icons of
- Just icon -> withPatternForSurface icon $ \pattern -> do
+ Just icon -> do
save
- translate (fromIntegral $ i*windowWidth + leftBorder) (fromIntegral $ borderTop $ margin border)
+ translate (fromIntegral $ i*windowWidth + leftBorder) (fromIntegral $ borderTop $ margin $ taskBorder style)
imageW <- imageSurfaceGetWidth icon
imageH <- imageSurfaceGetHeight icon
@@ -127,8 +180,8 @@ instance WidgetClass Taskbar where
when (imageH < imageW) $
translate 0 $ (fromIntegral (imageW-imageH))/2
-
- setSource pattern
+
+ taskIconStyle style icon
paint
restore
@@ -144,11 +197,11 @@ instance WidgetClass Taskbar where
_ -> priv
-renderText :: TaskbarConfig -> Int -> Int -> Int -> Int -> String -> Render ()
-renderText config x y w h text = do
+renderText :: TaskStyle -> Int -> Int -> Int -> Int -> String -> Render ()
+renderText style x y w h text = do
layout <- createLayout ""
(_, PangoRectangle _ _ textWidth textHeight) <- liftIO $ do
- layoutSetMarkup layout $ "<span font='" ++ (taskbarFont config) ++ "'>" ++ (escapeMarkup text) ++ "</span>"
+ layoutSetMarkup layout $ "<span font='" ++ (taskFont style) ++ "'>" ++ (escapeMarkup text) ++ "</span>"
layoutSetWidth layout $ Just $ fromIntegral w
layoutSetEllipsize layout EllipsizeEnd