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-rw-r--r--lib/Phi/Widgets/Taskbar.hs214
1 files changed, 129 insertions, 85 deletions
diff --git a/lib/Phi/Widgets/Taskbar.hs b/lib/Phi/Widgets/Taskbar.hs
index 4377224..caa7599 100644
--- a/lib/Phi/Widgets/Taskbar.hs
+++ b/lib/Phi/Widgets/Taskbar.hs
@@ -122,6 +122,7 @@ data TaskbarState = TaskbarState { taskbarActiveWindow :: !Window
, taskbarWindows :: ![Window]
, taskbarWindowStates :: !(M.Map Window WindowState)
, taskbarWindowIcons :: !(M.Map Window [(Int, Surface)])
+ , taskbarWindowScreens :: !(M.Map Window Xlib.Rectangle)
} deriving Show
data WindowState = WindowState { windowTitle :: !String
@@ -129,7 +130,7 @@ data WindowState = WindowState { windowTitle :: !String
, windowVisible :: !Bool
} deriving (Show, Eq)
-data TaskbarMessage = WindowListUpdate [Xlib.Window] (M.Map Window WindowState) (M.Map Window [(Int, Surface)])
+data TaskbarMessage = WindowListUpdate [Xlib.Window] (M.Map Window WindowState) (M.Map Window [(Int, Surface)]) (M.Map Window Xlib.Rectangle)
| DesktopCountUpdate Int
| CurrentDesktopUpdate Int
| ActiveWindowUpdate Window
@@ -141,7 +142,7 @@ instance WidgetClass Taskbar where
initWidget (Taskbar _) phi dispvar = do
forkIO $ taskbarRunner phi dispvar
- return $ TaskbarState 0 0 (-1) [] M.empty M.empty
+ return $ TaskbarState 0 0 (-1) [] M.empty M.empty M.empty
minSize _ = 0
@@ -153,9 +154,11 @@ instance WidgetClass Taskbar where
, taskbarWindows = windows
, taskbarWindowStates = windowStates
, taskbarWindowIcons = windowIcons
- } w h = do
- let desktopNumbers = take desktopCount [0..]
- desktops = map (\desktop -> (desktop, filter (fromMaybe False . fmap (windowOnDesktop desktop) . flip M.lookup windowStates) windows)) desktopNumbers
+ , taskbarWindowScreens = windowScreens
+ } w h screen = do
+ let screenWindows = filter ((== Just screen) . flip M.lookup windowScreens) windows
+ desktopNumbers = take desktopCount [0..]
+ desktops = map (\desktop -> (desktop, filter (fromMaybe False . fmap (windowOnDesktop desktop) . flip M.lookup windowStates) screenWindows)) desktopNumbers
windowCount = sum $ map (length . snd) $ desktops
dstyle d = fmap (if d == currentDesktop then snd else fst) $ desktopStyle config
dlabelwidth d = fromMaybe 0 $ fmap desktopLabelWidth $ dstyle d
@@ -166,75 +169,73 @@ instance WidgetClass Taskbar where
dwidth d = fromMaybe 0 $ fmap (\ds@DesktopStyle {desktopBorder = border}
-> (borderH $ margin border) + 2*(borderWidth border) + (borderH $ padding border)
+ dlabelwidth d + gap d ds) $ dstyle d
-
- when (windowCount /= 0) $ do
- let desktopsWidth = sum $ map dwidth desktopNumbers
- windowWidth = min (taskMaxSize config) ((w - desktopsWidth) `div` windowCount)
+ desktopsWidth = sum $ map dwidth desktopNumbers
+ windowWidth = if windowCount == 0 then 0 else min (taskMaxSize config) ((w - desktopsWidth) `div` windowCount)
+
+ flip (flip foldM_ 0) desktops $ \nwindows (desktop, desktopWindows) -> do
+ let dstyle' = dstyle desktop
+ dx = dleftwidth desktop + (sum $ map dwidth $ take desktop [0..]) + nwindows*windowWidth
+
+ case dstyle' of
+ Just ds -> do
+ let (r, g, b, a) = desktopColor ds
+ save
+ drawBorder (desktopBorder ds) (dx - dleftwidth desktop) 0 (dwidth desktop + windowWidth * length desktopWindows) h
+ clip
+
+ setSourceRGBA r g b a
+ renderText (desktopFont ds) (fromIntegral (dx - dlabelwidth desktop - gap desktop ds)) 0 (dlabelwidth desktop) h $ show (desktop+1)
+
+ restore
+ _ -> return ()
- flip (flip foldM_ 0) desktops $ \nwindows (desktop, desktopWindows) -> do
- let dstyle' = dstyle desktop
- dx = dleftwidth desktop + (sum $ map dwidth $ take desktop [0..]) + nwindows*windowWidth
+ forM_ (zip [0..] desktopWindows) $ \(i, window) -> do
+ 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
+ x = dx + i*windowWidth
- case dstyle' of
- Just ds -> do
- let (r, g, b, a) = desktopColor ds
+ case (mstate, micons) of
+ (Just state, Just icons) -> do
save
- drawBorder (desktopBorder ds) (dx - dleftwidth desktop) 0 (dwidth desktop + windowWidth * length desktopWindows) h
+ drawBorder (taskBorder style) x 0 windowWidth h
clip
setSourceRGBA r g b a
- renderText (desktopFont ds) (fromIntegral (dx - dlabelwidth desktop - gap desktop ds)) 0 (dlabelwidth desktop) h $ show (desktop+1)
+ renderText (taskFont style) (fromIntegral (x + leftBorder + h' + 3)) 0 (windowWidth - leftBorder - h' - 3 - rightBorder) h $ windowTitle state
restore
- _ -> return ()
-
- forM_ (zip [0..] desktopWindows) $ \(i, window) -> do
- 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
- x = dx + i*windowWidth
-
- case (mstate, micons) of
- (Just state, Just icons) -> do
- save
- drawBorder (taskBorder style) x 0 windowWidth h
- clip
-
- setSourceRGBA r g b a
- renderText (taskFont style) (fromIntegral (x + leftBorder + h' + 3)) 0 (windowWidth - leftBorder - h' - 3 - rightBorder) h $ windowTitle state
-
- restore
-
- case bestIcon h' icons of
- Just icon -> do
- save
- translate (fromIntegral $ x + leftBorder) (fromIntegral $ borderTop $ margin $ taskBorder style)
- imageW <- imageSurfaceGetWidth icon
- imageH <- imageSurfaceGetHeight icon
-
- let scalef = (fromIntegral h')/(fromIntegral $ max imageW imageH)
- scale scalef scalef
-
- when (imageH < imageW) $
- translate 0 $ (fromIntegral (imageW-imageH))/2
-
- taskIconStyle style icon
- paint
- restore
-
- Nothing -> return ()
- _ -> return ()
-
- return $ nwindows + length desktopWindows
+ case bestIcon h' icons of
+ Just icon -> do
+ save
+ translate (fromIntegral $ x + leftBorder) (fromIntegral $ borderTop $ margin $ taskBorder style)
+ imageW <- imageSurfaceGetWidth icon
+ imageH <- imageSurfaceGetHeight icon
+
+ let scalef = (fromIntegral h')/(fromIntegral $ max imageW imageH)
+ scale scalef scalef
+
+ when (imageH < imageW) $
+ translate 0 $ (fromIntegral (imageW-imageH))/2
+
+ taskIconStyle style icon
+ paint
+ restore
+
+ Nothing -> return ()
+
+ _ -> return ()
+
+ return $ nwindows + length desktopWindows
handleMessage _ priv m = case (fromMessage m) of
- Just (WindowListUpdate windows windowStates icons) -> priv {taskbarWindows = windows, taskbarWindowStates = windowStates, taskbarWindowIcons = icons}
+ Just (WindowListUpdate windows windowStates icons screens) -> priv {taskbarWindows = windows, taskbarWindowStates = windowStates, taskbarWindowIcons = icons, taskbarWindowScreens = screens}
Just (DesktopCountUpdate count) -> priv {taskbarDesktopCount = count}
Just (CurrentDesktopUpdate current) -> priv {taskbarCurrentDesktop = current}
Just (ActiveWindowUpdate window) -> priv {taskbarActiveWindow = window}
@@ -267,29 +268,31 @@ windowOnDesktop desktop state = (windowVisible state) && (desktop == windowDeskt
taskbarRunner :: Phi -> Display -> IO ()
taskbarRunner phi dispvar = do
- (windows, states, icons) <- liftIO $ withDisplay dispvar $ \disp -> do
- (windows, states, icons) <- getWindowStates disp (getAtoms dispvar) [] M.empty M.empty
+ let screens = getScreens dispvar
+ (windows, states, icons, windowScreens) <- liftIO $ withDisplay dispvar $ \disp -> do
+ (windows, states, icons, windowScreens) <- getWindowStates disp screens (getAtoms dispvar) [] M.empty M.empty M.empty
desktopCount <- getDesktopCount disp (getAtoms dispvar)
current <- getCurrentDesktop disp (getAtoms dispvar)
activeWindow <- getActiveWindow disp (getAtoms dispvar)
- sendMessage phi $ WindowListUpdate windows states icons
+ sendMessage phi $ WindowListUpdate windows states icons windowScreens
sendMessage phi $ DesktopCountUpdate desktopCount
sendMessage phi $ CurrentDesktopUpdate current
sendMessage phi $ ActiveWindowUpdate activeWindow
- return (windows, states, icons)
+ return (windows, states, icons, windowScreens)
sendMessage phi Repaint
- flip evalStateT (windows, states, icons) $ forever $ do
+ flip evalStateT (windows, states, icons, windowScreens) $ forever $ do
m <- receiveMessage phi
case (fromMessage m) of
- Just event@XExtras.PropertyEvent {} ->
- handlePropertyUpdate phi dispvar event
+ Just event ->
+ handleEvent phi dispvar event
_ ->
return ()
-handlePropertyUpdate :: Phi -> Display -> XExtras.Event -> StateT ([Window], M.Map Window WindowState, M.Map Window [(Int, Surface)]) IO ()
-handlePropertyUpdate phi dispvar XExtras.PropertyEvent {XExtras.ev_atom = atom, XExtras.ev_window = window} = do
+handleEvent :: Phi -> Display -> XExtras.Event -> StateT ([Window], M.Map Window WindowState, M.Map Window [(Int, Surface)], M.Map Window Xlib.Rectangle) IO ()
+handleEvent phi dispvar XExtras.PropertyEvent {XExtras.ev_atom = atom, XExtras.ev_window = window} = do
let atoms = getAtoms dispvar
+ let screens = getScreens dispvar
when (elem atom $ map ($ atoms) [ atom_NET_ACTIVE_WINDOW
, atom_NET_NUMBER_OF_DESKTOPS
@@ -317,23 +320,23 @@ handlePropertyUpdate phi dispvar XExtras.PropertyEvent {XExtras.ev_atom = atom,
sendMessage phi $ CurrentDesktopUpdate current
sendMessage phi Repaint
when (atom == atom_NET_CLIENT_LIST atoms) $ do
- (windows, windowStates, icons) <- get
- (windows', windowStates', icons') <- liftIO $ getWindowStates disp atoms windows windowStates icons
+ (windows, windowStates, icons, windowScreens) <- get
+ (windows', windowStates', icons', windowScreens') <- liftIO $ getWindowStates disp screens atoms windows windowStates icons windowScreens
when (windows /= windows') $ do
- sendMessage phi $ WindowListUpdate windows' windowStates' icons'
+ sendMessage phi $ WindowListUpdate windows' windowStates' icons' windowScreens'
sendMessage phi Repaint
- put (windows', windowStates', icons')
+ put (windows', windowStates', icons', windowScreens')
else do
- (windows, windowStates, icons) <- get
+ (windows, windowStates, icons, windowScreens) <- get
when (elem window windows) $ do
when (atom == atom_NET_WM_ICON atoms) $ do
icon <- liftIO $ getWindowIcons disp atoms window
let icons' = M.insert window icon icons
- sendMessage phi $ WindowListUpdate windows windowStates icons'
+ sendMessage phi $ WindowListUpdate windows windowStates icons' windowScreens
sendMessage phi Repaint
- put (windows, windowStates, icons')
+ put (windows, windowStates, icons', windowScreens)
when (atom /= atom_NET_WM_ICON atoms) $ do
let windowState = M.lookup window windowStates
@@ -341,14 +344,31 @@ handlePropertyUpdate phi dispvar XExtras.PropertyEvent {XExtras.ev_atom = atom,
when (windowState /= (Just windowState')) $ do
let windowStates' = M.insert window windowState' windowStates
- sendMessage phi $ WindowListUpdate windows windowStates' icons
+ sendMessage phi $ WindowListUpdate windows windowStates' icons windowScreens
sendMessage phi Repaint
- put (windows, windowStates', icons)
+ put (windows, windowStates', icons, windowScreens)
+
+handleEvent phi dispvar XExtras.ConfigureEvent {XExtras.ev_window = window} = do
+ let screens = getScreens dispvar
+
+ (windows, windowStates, icons, windowScreens) <- get
+ when (elem window windows) $ withDisplay dispvar $ \disp -> do
+ let screen = M.lookup window windowScreens
+ screen' <- liftIO $ getWindowScreen disp screens window
+ when (screen /= (Just screen')) $ do
+ let windowScreens' = M.insert window screen' windowScreens
+ sendMessage phi $ WindowListUpdate windows windowStates icons windowScreens'
+ sendMessage phi Repaint
+ put (windows, windowStates, icons, windowScreens')
+
+handleEvent _ _ _ = return ()
+
getDesktopCount :: Xlib.Display -> Atoms -> IO Int
getDesktopCount disp atoms =
liftM (fromIntegral . fromMaybe 0 . join . fmap listToMaybe) $ XExtras.getWindowProperty32 disp (atom_NET_NUMBER_OF_DESKTOPS atoms) $ Xlib.defaultRootWindow disp
+
getCurrentDesktop :: Xlib.Display -> Atoms -> IO Int
getCurrentDesktop disp atoms =
liftM (fromIntegral . fromMaybe (-1) . join . fmap listToMaybe) $ XExtras.getWindowProperty32 disp (atom_NET_CURRENT_DESKTOP atoms) $ Xlib.defaultRootWindow disp
@@ -357,21 +377,24 @@ getActiveWindow :: Xlib.Display -> Atoms -> IO Window
getActiveWindow disp atoms =
liftM (fromIntegral . fromMaybe 0 . join . fmap listToMaybe) $ XExtras.getWindowProperty32 disp (atom_NET_ACTIVE_WINDOW atoms) $ Xlib.defaultRootWindow disp
-getWindowStates :: Xlib.Display -> Atoms -> [Window] -> M.Map Window WindowState -> M.Map Window [(Int, Surface)]
- -> IO ([Window], M.Map Window WindowState, M.Map Window [(Int, Surface)])
-getWindowStates disp atoms oldWindows windowStates windowIcons = do
+getWindowStates :: Xlib.Display -> [Xlib.Rectangle] -> Atoms -> [Window] -> M.Map Window WindowState -> M.Map Window [(Int, Surface)] -> M.Map Window Xlib.Rectangle
+ -> IO ([Window], M.Map Window WindowState, M.Map Window [(Int, Surface)], M.Map Window Xlib.Rectangle)
+getWindowStates disp screens atoms oldWindows windowStates windowIcons windowScreens = do
windows <- getWindowList disp atoms oldWindows
let windowStates' = map (\w -> (w, M.lookup w windowStates)) windows
windowIcons' = map (\w -> (w, M.lookup w windowIcons)) windows
+ windowScreens' = map (\w -> (w, M.lookup w windowScreens)) windows
newWindowStates <- mapM getWindowState' windowStates'
newWindowIcons <- mapM getWindowIcons' windowIcons'
+ newWindowScreens <- mapM getWindowScreen' windowScreens'
- return (windows, M.fromList newWindowStates, M.fromList newWindowIcons)
+ return (windows, M.fromList newWindowStates, M.fromList newWindowIcons, M.fromList newWindowScreens)
where
getWindowState' (window, Just windowState) = return (window, windowState)
getWindowState' (window, Nothing) = do
+ Xlib.selectInput disp window $ Xlib.propertyChangeMask .|. Xlib.structureNotifyMask
windowState <- getWindowState disp atoms window
return (window, windowState)
@@ -379,10 +402,15 @@ getWindowStates disp atoms oldWindows windowStates windowIcons = do
getWindowIcons' (window, Nothing) = do
icons <- getWindowIcons disp atoms window
return (window, icons)
+
+ getWindowScreen' (window, Just screen) = return (window, screen)
+ getWindowScreen' (window, Nothing) = do
+ screen <- getWindowScreen disp screens window
+ return (window, screen)
+
getWindowState :: Xlib.Display -> Atoms -> Window -> IO WindowState
getWindowState disp atoms window = do
- Xlib.selectInput disp window Xlib.propertyChangeMask
netwmname <- liftM (fmap (decode . map fromIntegral)) $ XExtras.getWindowProperty8 disp (atom_NET_WM_NAME atoms) window
wmname <- case netwmname of
Just name -> return name
@@ -399,6 +427,7 @@ getWindowState disp atoms window = do
getWindowIcons :: Xlib.Display -> Atoms -> Window -> IO [(Int, Surface)]
getWindowIcons disp atoms window = XExtras.getWindowProperty32 disp (atom_NET_WM_ICON atoms) window >>= readIcons . fromMaybe []
+
readIcons :: [CLong] -> IO [(Int, Surface)]
readIcons (width:height:iconData) = do
if ((fromIntegral $ length iconData) < (width*height)) then return [] else do
@@ -429,6 +458,21 @@ premultiply c = a .|. r .|. g .|. b
g = pm gmask
b = pm bmask
+
+getWindowScreen :: Xlib.Display -> [Xlib.Rectangle] -> Window -> IO Xlib.Rectangle
+getWindowScreen disp screens window = do
+ (_, _, _, width, height, _, _) <- Xlib.getGeometry disp window
+ (ret, x, y, _) <- Xlib.translateCoordinates disp window (Xlib.defaultRootWindow disp) 0 0
+
+ case ret of
+ True -> do
+ let windowRect = Xlib.Rectangle x y width height
+ screen = maximumBy (compare `on` unionArea windowRect) screens
+ return screen
+ False ->
+ return $ head screens
+
+
showWindow :: Xlib.Display -> Atoms -> Window -> IO Bool
showWindow disp atoms window = do
states <- liftM (map fromIntegral . fromMaybe []) $ XExtras.getWindowProperty32 disp (atom_NET_WM_STATE atoms) window