Make taskbar more styleable
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9945e23251
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2 changed files with 89 additions and 27 deletions
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@ -1,6 +1,10 @@
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{-# LANGUAGE TypeFamilies, DeriveDataTypeable #-}
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{-# LANGUAGE TypeFamilies, DeriveDataTypeable, TypeSynonymInstances #-}
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module Phi.Widgets.Taskbar ( TaskbarConfig(..)
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module Phi.Widgets.Taskbar ( IconStyle
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, idIconStyle
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, desaturateIconStyle
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, TaskStyle(..)
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, TaskbarConfig(..)
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, defaultTaskbarConfig
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, taskbar
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) where
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@ -41,19 +45,62 @@ import Phi.Widget
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import Phi.X11.Atoms
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data TaskbarConfig = TaskbarConfig { taskbarFont :: !String
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, taskMaxSize :: !Int
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, showDesktops :: !Bool
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type IconStyle = Surface -> Render ()
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instance Show IconStyle where
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show _ = "IconStyle"
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idIconStyle :: IconStyle
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idIconStyle = flip withPatternForSurface setSource
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desaturateIconStyle :: Double -> IconStyle
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desaturateIconStyle v icon = do
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w <- imageSurfaceGetWidth icon
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h <- imageSurfaceGetHeight icon
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renderWithSimilarSurface ContentColorAlpha w h $ \surface1 -> do
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renderWithSimilarSurface ContentColor w h $ \surface2 -> do
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renderWith surface1 $ do
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renderWith surface2 $ do
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withPatternForSurface icon setSource
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paint
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setOperator OperatorHslSaturation
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setSourceRGBA 0 0 0 (1-v)
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paint
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withPatternForSurface surface2 setSource
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paint
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setOperator OperatorDestIn
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withPatternForSurface icon setSource
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paint
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withPatternForSurface surface1 setSource
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data TaskStyle = TaskStyle { taskFont :: !String
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, taskColor :: !Color
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, taskBorder :: !BorderConfig
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, activeTaskBorder :: !BorderConfig
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, taskIconStyle :: !IconStyle
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} deriving Show
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defaultTaskbarConfig :: TaskbarConfig
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defaultTaskbarConfig = TaskbarConfig { taskbarFont = "Sans 7"
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, taskMaxSize = 150
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, showDesktops = False
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data TaskbarConfig = TaskbarConfig { taskMaxSize :: !Int
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, showDesktops :: !Bool
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, normalTaskStyle :: !TaskStyle
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, activeTaskStyle :: !TaskStyle
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} deriving Show
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defaultStyle :: TaskStyle
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defaultStyle = TaskStyle { taskFont = "Sans 8"
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, taskColor = (0, 0, 0, 1)
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, taskBorder = defaultBorderConfig
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, activeTaskBorder = defaultBorderConfig { borderColor = (1, 1, 1, 1) }
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, taskIconStyle = idIconStyle
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}
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defaultTaskbarConfig :: TaskbarConfig
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defaultTaskbarConfig = TaskbarConfig { taskMaxSize = 150
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, showDesktops = False
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, normalTaskStyle = defaultStyle
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, activeTaskStyle = defaultStyle {taskBorder = defaultBorderConfig { borderColor = (1, 1, 1, 1) }}
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}
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data Taskbar = Taskbar TaskbarConfig deriving Show
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@ -90,35 +137,41 @@ instance WidgetClass Taskbar where
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minSize _ = 0
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weight _ = 1
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render (Taskbar config) TaskbarState {taskbarActiveWindow = activeWindow, taskbarDesktopCount = desktopCount, taskbarWindows = windows, taskbarWindowStates = windowStates, taskbarWindowIcons = windowIcons} w h = do
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render (Taskbar config) TaskbarState { taskbarActiveWindow = activeWindow
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, taskbarDesktopCount = desktopCount
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, taskbarWindows = windows
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, taskbarWindowStates = windowStates
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, taskbarWindowIcons = windowIcons
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} w h = do
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let desktopWindows = map (\desktop -> (desktop, filter (fromMaybe False . fmap (windowOnDesktop desktop) . flip M.lookup windowStates) windows)) $ take desktopCount [0..]
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windowCount = sum $ map (length . snd) $ desktopWindows
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when (windowCount /= 0) $ do
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let windowWidth = min (taskMaxSize config) (w `div` windowCount)
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forM_ (zip [0..] $ join $ map snd desktopWindows) $ \(i, window) -> do
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let border = if window == activeWindow then activeTaskBorder config else taskBorder config
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leftBorder = (borderLeft $ margin border) + (borderWidth border) + (borderLeft $ padding border)
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rightBorder = (borderRight $ margin border) + (borderWidth border) + (borderRight $ padding border)
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h' = h - (borderV $ margin border)
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let style = (if window == activeWindow then activeTaskStyle else normalTaskStyle) config
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(r, g, b, a) = taskColor style
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leftBorder = (borderLeft $ margin $ taskBorder style) + (borderWidth $ taskBorder style) + (borderLeft $ padding $ taskBorder style)
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rightBorder = (borderRight $ margin $ taskBorder style) + (borderWidth $ taskBorder style) + (borderRight $ padding $ taskBorder style)
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h' = h - (borderV $ margin $ taskBorder style)
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mstate = M.lookup window windowStates
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micons = M.lookup window windowIcons
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case (mstate, micons) of
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(Just state, Just icons) -> do
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save
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drawBorder border (i*windowWidth) 0 windowWidth h
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drawBorder (taskBorder style) (i*windowWidth) 0 windowWidth h
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clip
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setSourceRGB 1 1 1
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renderText config (fromIntegral (i*windowWidth + leftBorder + h' + 3)) 0 (windowWidth - leftBorder - h' - 3 - rightBorder) h $ windowTitle state
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setSourceRGBA r g b a
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renderText style (fromIntegral (i*windowWidth + leftBorder + h' + 3)) 0 (windowWidth - leftBorder - h' - 3 - rightBorder) h $ windowTitle state
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restore
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case bestIcon h' icons of
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Just icon -> withPatternForSurface icon $ \pattern -> do
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Just icon -> do
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save
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translate (fromIntegral $ i*windowWidth + leftBorder) (fromIntegral $ borderTop $ margin border)
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translate (fromIntegral $ i*windowWidth + leftBorder) (fromIntegral $ borderTop $ margin $ taskBorder style)
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imageW <- imageSurfaceGetWidth icon
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imageH <- imageSurfaceGetHeight icon
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@ -128,7 +181,7 @@ instance WidgetClass Taskbar where
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when (imageH < imageW) $
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translate 0 $ (fromIntegral (imageW-imageH))/2
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setSource pattern
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taskIconStyle style icon
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paint
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restore
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@ -144,11 +197,11 @@ instance WidgetClass Taskbar where
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_ -> priv
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renderText :: TaskbarConfig -> Int -> Int -> Int -> Int -> String -> Render ()
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renderText config x y w h text = do
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renderText :: TaskStyle -> Int -> Int -> Int -> Int -> String -> Render ()
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renderText style x y w h text = do
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layout <- createLayout ""
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(_, PangoRectangle _ _ textWidth textHeight) <- liftIO $ do
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layoutSetMarkup layout $ "<span font='" ++ (taskbarFont config) ++ "'>" ++ (escapeMarkup text) ++ "</span>"
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layoutSetMarkup layout $ "<span font='" ++ (taskFont style) ++ "'>" ++ (escapeMarkup text) ++ "</span>"
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layoutSetWidth layout $ Just $ fromIntegral w
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layoutSetEllipsize layout EllipsizeEnd
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13
src/Phi.hs
13
src/Phi.hs
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@ -12,9 +12,18 @@ main = do
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runPhi defaultXConfig defaultPanelConfig { panelPosition = Bottom }
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[theTaskbar, brightBorder [theClock]]
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where
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theTaskbar = taskbar defaultTaskbarConfig { taskBorder = BorderConfig (BorderWidth 2 4 2 4) 1 (BorderWidth 0 5 0 5) (0.9, 0.9, 0.9, 0.65) (0.45, 0.45, 0.45, 0.8) 5 0
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, activeTaskBorder = BorderConfig (BorderWidth 2 4 2 4) 1 (BorderWidth 0 5 0 5) (1, 1, 1, 0.65) (0, 0, 0, 0.8) 5 0
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normalTaskBorder = BorderConfig (BorderWidth 2 4 2 4) 1 (BorderWidth 0 5 0 5) (0.9, 0.9, 0.9, 0.65) (0.45, 0.45, 0.45, 0.8) 5 0
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activeTaskBorder = normalTaskBorder {borderColor = (1, 1, 1, 0.65), backgroundColor = (0, 0, 0, 0.8)}
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taskStyle = TaskStyle { taskFont = "Sans 7"
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, taskColor = (1, 1, 1, 1)
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, taskBorder = normalTaskBorder
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, taskIconStyle = idIconStyle
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}
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theTaskbar = taskbar defaultTaskbarConfig { normalTaskStyle = taskStyle {taskIconStyle = desaturateIconStyle 0.7}
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, activeTaskStyle = taskStyle {taskBorder = activeTaskBorder}
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}
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theClock = clock defaultClockConfig { clockFormat = "<span font='Sans 8'>%R</span>\n<span font='Sans 6'>%A %d %B</span>"
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, lineSpacing = (-2)
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, clockSize = 75
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