Use Cairo for background rendering
This commit is contained in:
parent
861fa81d85
commit
55edb549a5
6 changed files with 169 additions and 72 deletions
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@ -1,6 +1,7 @@
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{-# LANGUAGE ExistentialQuantification, TypeFamilies, StandaloneDeriving, FlexibleContexts #-}
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module Phi.Widget ( Display
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module Phi.Widget ( Display(..)
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, withDisplay
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, Widget(..)
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, WidgetClass(..)
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, WidgetState(..)
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@ -11,7 +12,6 @@ module Phi.Widget ( Display
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, handleMessageWidgets
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) where
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import Control.Concurrent
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import Control.Monad
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import Data.Traversable
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@ -23,7 +23,14 @@ import Graphics.Rendering.Cairo
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import Phi.Phi
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type Display = MVar Graphics.X11.Xlib.Display
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newtype Display = Display Graphics.X11.Xlib.Display
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withDisplay :: Display -> (Graphics.X11.Xlib.Display -> IO a) -> IO a
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withDisplay (Display disp) f = do
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Graphics.X11.Xlib.lockDisplay disp
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a <- f disp
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Graphics.X11.Xlib.unlockDisplay disp
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return a
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class Show a => WidgetClass a where
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@ -1,4 +1,4 @@
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{-# LANGUAGE DeriveDataTypeable, TypeFamilies #-}
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{-# LANGUAGE TypeFamilies, DeriveDataTypeable #-}
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module Phi.Widgets.Clock ( ClockConfig(..)
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, defaultClockConfig
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@ -36,21 +36,28 @@ defaultClockConfig = ClockConfig "%R" (0, 0, 0, 1) 0 50
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data Clock = Clock ClockConfig deriving Show
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data ClockState = ClockState ZonedTime deriving Show
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data ClockMessage = UpdateTime ZonedTime deriving (Show, Typeable)
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instance WidgetClass Clock where
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type WidgetData Clock = ()
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type WidgetData Clock = ClockState
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initWidget (Clock _) phi _ = do
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forkIO $ forever $ do
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time <- getZonedTime
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sendMessage phi $ UpdateTime time
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sendMessage phi Repaint
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threadDelay $ ceiling $ 1000000*(max 1 $ 60 - (todSec . localTimeOfDay . zonedTimeToLocalTime $ time))
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return ()
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time <- getZonedTime
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return $ ClockState time
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minSize (Clock config ) = clockSize config
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render (Clock config) _ w h = do
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render (Clock config) (ClockState time) w h = do
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time <- liftIO getZonedTime
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let (r, g, b, a) = fontColor config
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str = formatTime defaultTimeLocale (clockFormat config) time
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@ -73,6 +80,11 @@ instance WidgetClass Clock where
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moveTo (((fromIntegral w)/scalef - textWidth')/2) (((fromIntegral h)/scalef - textHeight')/2)
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showLayout layout
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handleMessage _ priv m = case (fromMessage m) of
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Just (UpdateTime time) -> ClockState time
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_ -> priv
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clock :: ClockConfig -> Widget
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clock config = do
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Widget $ Clock config
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55
lib/Phi/Widgets/Taskbar.hs
Normal file
55
lib/Phi/Widgets/Taskbar.hs
Normal file
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@ -0,0 +1,55 @@
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{-# LANGUAGE TypeFamilies #-}
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module Phi.Widgets.Taskbar ( TaskbarConfig(..)
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, defaultTaskbarConfig
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, taskbar
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) where
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import Control.Concurrent
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import Control.Monad
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import Data.Typeable
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import Data.Time.LocalTime
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import Data.Time.Format
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import Graphics.Rendering.Cairo
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import Graphics.Rendering.Pango.Cairo
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import Graphics.Rendering.Pango.Enums (PangoRectangle(..))
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import Graphics.Rendering.Pango.Layout
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import System.Locale
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import Phi.Phi
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import Phi.Types
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import Phi.Widget
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data TaskbarConfig = TaskbarConfig deriving Show
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defaultTaskbarConfig :: TaskbarConfig
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defaultTaskbarConfig = TaskbarConfig
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data Taskbar = Taskbar TaskbarConfig deriving Show
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data TaskbarState = TaskbarState deriving Show
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instance WidgetClass Taskbar where
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type WidgetData Taskbar = TaskbarState
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initWidget (Taskbar _) phi dispvar = do
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--withMVar dispvar $ \disp ->
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-- return ()
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return TaskbarState
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minSize _ = 0
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weight _ = 1
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render (Taskbar config) _ w h = do
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return ()
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taskbar :: TaskbarConfig -> Widget
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taskbar config = do
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Widget $ Taskbar config
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121
lib/Phi/X11.hs
121
lib/Phi/X11.hs
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@ -35,14 +35,12 @@ data XConfig = XConfig { phiXScreenInfo :: !(Display -> IO [Rectangle])
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}
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data PhiState = PhiState { phiPhi :: !Phi
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, phiRootPixmap :: !Pixmap
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, phiRootImage :: !Surface
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, phiPanels :: ![PanelState]
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}
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data PanelState = PanelState { panelWindow :: !Window
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, panelGC :: !GC
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, panelPixmap :: !Pixmap
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, panelSurface :: !Surface
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, panelBuffer :: !Surface
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, panelArea :: !Rectangle
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, panelScreenArea :: !Rectangle
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, panelWidgetStates :: ![Widget.WidgetState]
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@ -65,12 +63,12 @@ newtype PhiX a = PhiX (StateT PhiState PhiReader a)
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runPhiX :: PhiConfig -> PhiState -> PhiX a -> IO (a, PhiState)
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runPhiX config st (PhiX a) = runPhiReader config $ runStateT a st
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withMVarX :: MVar a -> (a -> PhiX b) -> PhiX b
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withMVarX m f = do
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a <- liftIO $ takeMVar m
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b <- f a
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liftIO $ putMVar m a
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return b
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withDisplayX :: Widget.Display -> (Display -> PhiX a) -> PhiX a
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withDisplayX (Widget.Display disp) f = do
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liftIO $ lockDisplay disp
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a <- f disp
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liftIO $ unlockDisplay disp
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return a
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defaultXConfig = XConfig { phiXScreenInfo = getScreenInfo
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}
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@ -78,19 +76,23 @@ defaultXConfig = XConfig { phiXScreenInfo = getScreenInfo
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runPhi :: XConfig -> Panel.PanelConfig -> [Widget.Widget] -> IO ()
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runPhi xconfig config widgets = do
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initThreads
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phi <- initPhi
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disp <- openDisplay []
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atoms <- initAtoms disp
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selectInput disp (defaultRootWindow disp) $ propertyChangeMask.|.structureNotifyMask
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runPhiX PhiConfig { phiXConfig = xconfig, phiPanelConfig = config, phiAtoms = atoms } PhiState { phiPhi = phi, phiRootPixmap = 0, phiPanels = [] } $ do
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updateRootPixmap disp
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bg <- createImageSurface FormatRGB24 1 1
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runPhiX PhiConfig { phiXConfig = xconfig, phiPanelConfig = config, phiAtoms = atoms } PhiState { phiPhi = phi, phiRootImage = bg, phiPanels = [] } $ do
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updateRootImage disp
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screens <- liftIO $ phiXScreenInfo xconfig disp
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dispvar <- liftIO $ newEmptyMVar
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let dispvar = Widget.Display disp
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widgetStates <- liftIO $ mapM (Widget.createWidgetState phi dispvar) widgets
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withDisplayX dispvar $ \disp -> do
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panels <- mapM (createPanel disp widgetStates) screens
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forM_ panels $ \panel -> do
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@ -101,8 +103,6 @@ runPhi xconfig config widgets = do
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updatePanels disp True
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liftIO $ putMVar dispvar disp
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liftIO $ forkIO $ receiveEvents phi dispvar
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forever $ do
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@ -116,28 +116,28 @@ handlePanel message panel@PanelState {panelWidgetStates = widgets} = panel {pane
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where
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widgets' = Widget.handleMessageWidgets message widgets
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handleMessage :: MVar Display -> Message -> PhiX ()
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handleMessage :: Widget.Display -> Message -> PhiX ()
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handleMessage dispvar m = do
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modify $ \state@PhiState {phiPanels = panels} -> state {phiPanels = map (handlePanel m) panels}
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case (fromMessage m) of
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Just Repaint -> withMVarX dispvar $ \disp ->
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Just Repaint -> withDisplayX dispvar $ \disp ->
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updatePanels disp True
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_ ->
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case (fromMessage m) of
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Just ExposeEvent {} -> withMVarX dispvar $ \disp ->
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Just ExposeEvent {} -> withDisplayX dispvar $ \disp ->
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updatePanels disp False
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Just event@PropertyEvent {} -> withMVarX dispvar $ \disp ->
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Just event@PropertyEvent {} -> withDisplayX dispvar $ \disp ->
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handlePropertyUpdate disp event
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_ ->
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return ()
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receiveEvents :: Phi -> MVar Display -> IO ()
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receiveEvents :: Phi -> Widget.Display -> IO ()
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receiveEvents phi dispvar = do
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connection <- withMVar dispvar $ return . Fd . connectionNumber
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connection <- Widget.withDisplay dispvar $ return . Fd . connectionNumber
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forever $ allocaXEvent $ \xevent -> do
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handled <- withMVar dispvar $ \disp -> do
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handled <- Widget.withDisplay dispvar $ \disp -> do
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pend <- pending disp
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if pend /= 0 then
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do
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@ -152,28 +152,38 @@ receiveEvents phi dispvar = do
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updatePanels :: Display -> Bool -> PhiX ()
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updatePanels disp redraw = do
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rootPixmap <- gets phiRootPixmap
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rootImage <- gets phiRootImage
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panels <- gets phiPanels
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panels' <- forM panels $ \panel -> do
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newPanel <- if not redraw then return panel else do
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let surface = panelSurface panel
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let buffer = panelBuffer panel
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area = panelArea panel
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layoutedWidgets = withDimension area $ Widget.layoutWidgets (panelWidgetStates panel) 0 0
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newPanel <- if not redraw then return panel else do
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let layoutedWidgets = withDimension area $ Widget.layoutWidgets (panelWidgetStates panel) 0 0
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panel' = panel { panelWidgetStates = layoutedWidgets }
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-- draw background
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liftIO $ withRectangle (panelArea panel) (copyArea disp rootPixmap (panelPixmap panel) (panelGC panel)) 0 0
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surfaceMarkDirty surface
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renderWith buffer $ do
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withPatternForSurface rootImage $ \pattern -> do
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save
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translate (-(fromIntegral $ rect_x area)) (-(fromIntegral $ rect_y area))
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setSource pattern
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paint
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restore
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Widget.renderWidgets layoutedWidgets
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renderWith surface $ Widget.renderWidgets layoutedWidgets
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surfaceFlush surface
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return panel'
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-- copy pixmap to window
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liftIO $ withDimension (panelArea panel) (copyArea disp (panelPixmap panel) (panelWindow panel) (panelGC panel) 0 0) 0 0
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let screen = defaultScreen disp
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visual = defaultVisual disp screen
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surface <- liftIO $ withDimension area $ Util.createXlibSurface disp (panelWindow newPanel) visual
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-- copy buffer to window
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renderWith surface $ withPatternForSurface buffer $ \pattern -> do
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setSource pattern
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paint
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surfaceFinish surface
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return newPanel
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modify $ \state -> state { phiPanels = panels' }
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@ -185,18 +195,39 @@ handlePropertyUpdate disp PropertyEvent { ev_atom = atom } = do
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panels <- gets phiPanels
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when (atom == atom_XROOTPMAP_ID atoms || atom == atom_XROOTMAP_ID atoms) $ do
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updateRootPixmap disp
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updateRootImage disp
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updatePanels disp True
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updateRootPixmap :: Display -> PhiX ()
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updateRootPixmap disp = do
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updateRootImage :: Display -> PhiX ()
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updateRootImage disp = do
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atoms <- asks phiAtoms
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let screen = defaultScreen disp
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visual = defaultVisual disp screen
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rootwin = defaultRootWindow disp
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pixmap <- liftM (fromMaybe 0 . listToMaybe . join . catMaybes) $ forM [atom_XROOTPMAP_ID atoms, atom_XROOTMAP_ID atoms] $
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\atom -> liftIO $ rawGetWindowProperty 32 disp atom rootwin
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modify $ \state -> state { phiRootPixmap = pixmap }
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(_, _, _, rootWidth, rootHeight, _, _) <- liftIO $ getGeometry disp rootwin
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-- update surface size
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oldBg <- gets phiRootImage
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imageWidth <- liftM fromIntegral $ imageSurfaceGetWidth oldBg
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imageHeight <- liftM fromIntegral $ imageSurfaceGetHeight oldBg
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when (imageWidth /= rootWidth || imageHeight /= rootHeight) $ do
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surfaceFinish oldBg
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newBg <- liftIO $ createImageSurface FormatRGB24 (fromIntegral rootWidth) (fromIntegral rootHeight)
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modify $ \state -> state { phiRootImage = newBg }
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bg <- gets phiRootImage
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rootSurface <- liftIO $ Util.createXlibSurface disp pixmap visual (fromIntegral rootWidth) (fromIntegral rootHeight)
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renderWith bg $ withPatternForSurface rootSurface $ \pattern -> do
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setSource pattern
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paint
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surfaceFinish rootSurface
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createPanel :: Display -> [Widget.WidgetState] -> Rectangle -> PhiX PanelState
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@ -206,19 +237,11 @@ createPanel disp widgets screenRect = do
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let rect = panelBounds config screenRect
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win <- createPanelWindow disp rect
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gc <- liftIO $ createGC disp win
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let screen = defaultScreen disp
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depth = defaultDepth disp screen
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visual = defaultVisual disp screen
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pixmap <- liftIO $ withDimension rect (createPixmap disp win) depth
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surface <- liftIO $ withDimension rect $ Util.createXlibSurface disp pixmap visual
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buffer <- liftIO $ withDimension rect $ createImageSurface FormatRGB24
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return PanelState { panelWindow = win
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, panelGC = gc
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, panelPixmap = pixmap
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, panelSurface = surface
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, panelBuffer = buffer
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, panelArea = rect
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, panelScreenArea = screenRect
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, panelWidgetStates = widgets
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@ -13,7 +13,7 @@ build-type: Simple
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library
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build-depends: base >= 4, template-haskell, mtl, time, old-locale, X11, cairo, pango
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exposed-modules: Phi.Types, Phi.Phi, Phi.Panel, Phi.Widget, Phi.Border, Phi.X11,
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Phi.Widgets.Clock
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Phi.Widgets.Clock, Phi.Widgets.Taskbar
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other-modules: Phi.X11.Atoms, Phi.X11.AtomList, Phi.Bindings.Util
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hs-source-dirs: lib
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10
src/Phi.hs
10
src/Phi.hs
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@ -3,18 +3,18 @@ import Phi.Widget
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import Phi.Panel
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import Phi.Border
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import Phi.X11
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import Phi.Widgets.Clock
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import Phi.Widgets.Taskbar
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main :: IO ()
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main = do
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runPhi defaultXConfig defaultPanelConfig { panelPosition = Bottom }
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[border border1 [border border3 [], border border3 []], border border2 [], border brightBorder [theClock]]
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[theTaskbar, brightBorder [theClock]]
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where
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theTaskbar = taskbar defaultTaskbarConfig
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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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}
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brightBorder = BorderConfig (simpleBorderWidth 1) 1 (BorderWidth (-2) 3 0 3) (0.5, 0.5, 0.5, 0.65) (0.85, 0.85, 0.85, 0.8) 5 0
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border1 = BorderConfig (simpleBorderWidth 1) 1 (simpleBorderWidth 2) (1, 1, 1, 0.5) (0.25, 0.25, 0.25, 0.5) 7 2
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border2 = BorderConfig (simpleBorderWidth 1) 1 (simpleBorderWidth 2) (1, 1, 1, 0.5) (0.5, 0.0, 0.25, 0.5) 7 1
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border3 = BorderConfig (simpleBorderWidth 0) 1 (simpleBorderWidth 2) (1, 1, 1, 0.5) (0.0, 0.0, 0.5, 0.5) 3 1
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brightBorder = border $ BorderConfig (simpleBorderWidth 1) 1 (BorderWidth (-2) 3 0 3) (0.5, 0.5, 0.5, 0.65) (0.85, 0.85, 0.85, 0.8) 5 0
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