diff --git a/glance.cabal b/glance.cabal index 0a4c2ad..19d2201 100644 --- a/glance.cabal +++ b/glance.cabal @@ -67,11 +67,17 @@ executable glance-gui -Widentities -Wpartial-fields build-depends: base + , gi-glib , gi-gtk , gi-gdk + , gi-cairo + , gi-gdkpixbuf + , cairo , haskell-gi-base , gi-gio , text + , transformers + , old-time default-language: Haskell2010 Other-modules: Drag diff --git a/gui/Clock.hs b/gui/Clock.hs new file mode 100644 index 0000000..89e6050 --- /dev/null +++ b/gui/Clock.hs @@ -0,0 +1,438 @@ +{-# LANGUAGE OverloadedLabels #-} +{-# LANGUAGE OverloadedStrings #-} + +-- original author: +-- Mirco "MacSlow" Mueller +-- +-- created: +-- 10.1.2006 (or so) +-- +-- http://www.gnu.org/licenses/licenses.html#GPL +-- +-- ported to Haskell (gtk2hs) by: +-- Duncan Coutts +-- +-- ported to haskell-gi from the gtk2hs port by: +-- Iñaki García Etxebarria +-- + +import Control.Monad (when) +import Control.Monad.Trans.Reader (runReaderT) +import Data.Maybe (isJust) +import Data.IORef +import System.Time + +import Data.GI.Base + +import qualified GI.Cairo as GI.Cairo +import qualified GI.GLib as GLib +import qualified GI.Gdk as Gdk +import qualified GI.GdkPixbuf as GP +import qualified GI.Gtk as Gtk + +import Graphics.Rendering.Cairo +import Graphics.Rendering.Cairo.Internal (Render(runRender)) +import Graphics.Rendering.Cairo.Types (Cairo(Cairo)) +import Foreign.Ptr (castPtr) + +drawClockBackground :: Bool -> Int -> Int -> Render () +drawClockBackground quality width height = do + save + scale (fromIntegral width) (fromIntegral height) + + save + setOperator OperatorOver + when quality drawDropShadow + drawClockFace quality + restore + + translate 0.5 0.5 + scale 0.4 0.4 + setSourceRGB 0.16 0.18 0.19 + setLineWidth (1.5/60) + setLineCap LineCapRound + setLineJoin LineJoinRound + drawHourMarks + + restore + +drawClockHands :: Bool -> Int -> Int -> Render () +drawClockHands quality width height = do + save + scale (fromIntegral width) (fromIntegral height) + + translate 0.5 0.5 + scale 0.4 0.4 + setSourceRGB 0.16 0.18 0.19 + setLineWidth (1.5/60) + setLineCap LineCapRound + setLineJoin LineJoinRound + + time <- liftIO (getClockTime >>= toCalendarTime) + let hours = fromIntegral (if ctHour time >= 12 + then ctHour time - 12 + else ctHour time) + minutes = fromIntegral (ctMin time) + seconds = fromIntegral (ctSec time) + + drawHourHand quality hours minutes seconds + drawMinuteHand quality minutes seconds + drawSecondHand quality seconds + + restore + +drawClockForeground :: Bool -> Int -> Int -> Render () +drawClockForeground quality width height = do + scale (fromIntegral width) (fromIntegral height) + + save + translate 0.5 0.5 + scale 0.4 0.4 + setSourceRGB 0.16 0.18 0.19 + setLineWidth (1.5/60) + setLineCap LineCapRound + setLineJoin LineJoinRound + + when quality drawInnerShadow + when quality drawReflection + drawFrame quality + restore + +drawDropShadow = + withRadialPattern 0.55 0.55 0.25 0.5 0.5 0.525 $ \pattern -> do + patternAddColorStopRGBA pattern 0 0 0 0 0.811 + patternAddColorStopRGBA pattern 0.64 0.345 0.345 0.345 0.317 + patternAddColorStopRGBA pattern 0.84 0.713 0.713 0.713 0.137 + patternAddColorStopRGBA pattern 1 1 1 1 0 + patternSetFilter pattern FilterFast + setSource pattern + arc 0.5 0.5 (142/150) 0 (pi*2) + fill + +drawClockFace True = + withLinearPattern 0.5 0 0.5 1 $ \pattern -> do + patternAddColorStopRGB pattern 0 0.91 0.96 0.93 + patternAddColorStopRGB pattern 1 0.65 0.68 0.68 + patternSetFilter pattern FilterFast + setSource pattern + translate 0.5 0.5 + arc 0 0 (60/150) 0 (pi*2) + fill +drawClockFace False = do + setSourceRGB 0.78 0.82 0.805 + translate 0.5 0.5 + arc 0 0 (60/150) 0 (pi*2) + fill + +drawHourMarks = do + save + forM_ ([1..12] :: [Integer]) $ \_ -> do + rotate (pi/6) + moveTo (4.5/6) 0 + lineTo (5.0/6) 0 + stroke + restore + +forM_ = flip mapM_ + +drawHourHand quality hours minutes seconds = do + save + rotate (-pi/2) + setLineCap LineCapSquare + setLineJoin LineJoinMiter + rotate ( (pi/6) * hours + + (pi/360) * minutes + + (pi/21600) * seconds) + + -- hour hand's shadow + when quality $ do + setLineWidth (1.75/60) + setOperator OperatorAtop + setSourceRGBA 0.16 0.18 0.19 0.125 + moveTo (-2/15 + 0.025) 0.025 + lineTo (7/15 + 0.025) 0.025 + stroke + + -- the hand itself + setLineWidth (1/60) + setOperator OperatorOver + setSourceRGB 0.16 0.18 0.19 + moveTo (-2/15) 0 + lineTo (7/15) 0 + stroke + restore + +drawMinuteHand quality minutes seconds = do + save + rotate (-pi/2) + setLineCap LineCapSquare + setLineJoin LineJoinMiter + rotate ( (pi/30) * minutes + + (pi/1800) * seconds) + + -- minute hand's shadow + when quality $ do + setLineWidth (1.75/60) + setOperator OperatorAtop + setSourceRGBA 0.16 0.18 0.19 0.125 + moveTo (-16/75 - 0.025) (-0.025) + lineTo (2/3 - 0.025) (-0.025) + stroke + + -- the minute hand itself + setLineWidth (1/60) + setOperator OperatorOver + setSourceRGB 0.16 0.18 0.19 + moveTo (-16/75) 0 + lineTo (2/3) 0 + stroke + restore + +drawSecondHand quality seconds = do + save + rotate (-pi/2) + setLineCap LineCapSquare + setLineJoin LineJoinMiter + rotate (seconds * pi/30); + + -- shadow of second hand-part + when quality $ do + setOperator OperatorAtop + setSourceRGBA 0.16 0.18 0.19 0.125 + setLineWidth (1.3125 / 60) + moveTo (-1.5/5 + 0.025) 0.025 + lineTo (3/5 + 0.025) 0.025 + stroke + + -- second hand + setOperator OperatorOver + setSourceRGB 0.39 0.58 0.77 + setLineWidth (0.75/60) + moveTo (-1.5/5) 0 + lineTo (3/5) 0 + stroke + + arc 0 0 (1/20) 0 (pi*2) + fill + arc (63/100) 0 (1/35) 0 (pi*2) + stroke + setLineWidth (1/100) + moveTo (10/15) 0 + lineTo (12/15) 0 + stroke + setSourceRGB 0.31 0.31 0.31 + arc 0 0 (1/25) 0 (pi*2) + fill + restore + +drawInnerShadow = do + save + setOperator OperatorOver + arc 0 0 (142/150) 0 (pi*2) + clip + withRadialPattern 0.3 0.3 0.1 0 0 0.95 $ \pattern -> do + patternAddColorStopRGBA pattern 0 1 1 1 0 + patternAddColorStopRGBA pattern 0.64 0.713 0.713 0.713 0.137 + patternAddColorStopRGBA pattern 0.84 0.345 0.345 0.345 0.317 + patternAddColorStopRGBA pattern 1 0 0 0 0.811 + patternSetFilter pattern FilterFast + setSource pattern + arc 0 0 (142/150) 0 (pi*2) + fill + restore + +drawReflection = do + save + arc 0 0 (142/150) 0 (pi*2) + clip + rotate (-75 * pi/180) + setSourceRGBA 0.87 0.9 0.95 0.25 + moveTo (-1) (-1) + lineTo 1 (-1) + lineTo 1 1 + curveTo 1 0.15 (-0.15) (-1) (-1) (-1) + fill + moveTo (-1) (-1) + lineTo (-1) 1 + lineTo 1 1 + curveTo (-0.5) 1 (-1) 0.5 (-1) (-1) + fill + restore + +drawFrame True = do + save + withRadialPattern (-0.1) (-0.1) 0.8 0 0 1.5 $ \pattern -> do + patternAddColorStopRGB pattern 0 0.4 0.4 0.4 + patternAddColorStopRGB pattern 0.2 0.95 0.95 0.95 + patternSetFilter pattern FilterFast + setSource pattern + setLineWidth (10/75) + arc 0 0 (142/150) 0 (pi*2) + stroke + + withRadialPattern (-0.1) (-0.1) 0.8 0 0 1.5 $ \pattern -> do + patternAddColorStopRGB pattern 0 0.9 0.9 0.9 + patternAddColorStopRGB pattern 0.2 0.35 0.35 0.35 + patternSetFilter pattern FilterFast + setSource pattern + setLineWidth (10/75) + arc 0 0 (150/150) 0 (pi*2) + stroke + restore +drawFrame False = do + save + setSourceRGB 0 0 0 + setLineWidth (10/75) + arc 0 0 1 0 (pi*2) + stroke + restore + +initialSize :: Int +initialSize = 256 + +-- | This function bridges gi-cairo with the hand-written cairo +-- package. It takes a `GI.Cairo.Context` (as it appears in gi-cairo), +-- and a `Render` action (as in the cairo lib), and renders the +-- `Render` action into the given context. +renderWithContext :: GI.Cairo.Context -> Render () -> IO () +renderWithContext ct r = withManagedPtr ct $ \p -> + runReaderT (runRender r) (Cairo (castPtr p)) + +main :: IO () +main = do + _ <- Gtk.init Nothing + + window <- new Gtk.Window + [ #decorated := False + , #resizable := True + , #windowPosition := Gtk.WindowPositionCenterAlways + , #appPaintable := True + , #icon :=> GP.pixbufNewFromFile "cairo-clock-icon.png" + , #title := "Haskell-gi Cairo Clock" + , #defaultWidth := fromIntegral initialSize + , #defaultHeight := fromIntegral initialSize + ] + + geometry <- new Gdk.Geometry [ #minWidth := 32 + , #minHeight := 32 + , #maxWidth := 512 + , #maxHeight := 512 ] + #setGeometryHints window (Just window) (Just geometry) + [Gdk.WindowHintsMinSize, Gdk.WindowHintsMaxSize] + + screen <- window `get` #screen + visual <- #getRgbaVisual screen + #setVisual window visual + + on window #keyPressEvent $ \event -> do + name <- event `get` #keyval >>= Gdk.keyvalName + when (name == Just "Escape") Gtk.mainQuit + return False + + on window #buttonPressEvent $ \event -> do + button <- event `get` #button + time <- event `get` #time + x <- event `get` #xRoot + y <- event `get` #yRoot + case button of + 1 -> do + #beginMoveDrag window 1 (round x) (round y) time + return True + 3 -> do + #beginResizeDrag window Gdk.WindowEdgeSouthEast 3 + (round x) (round y) time + return True + _ -> return False + + GLib.timeoutAdd GLib.PRIORITY_DEFAULT 1000 + (#queueDraw window >> return True) + + backgroundRef <- newIORef (Just undefined) + foregroundRef <- newIORef (Just undefined) + + let redrawStaticLayers = do + (width32, height32) <- #getSize window + let (width, height) = (fromIntegral width32, fromIntegral height32) + background <- createImageSurface FormatARGB32 width height + foreground <- createImageSurface FormatARGB32 width height + let clear = do + save + setOperator OperatorClear + paint + restore + renderWith background $ do + clear + drawClockBackground True width height + renderWith foreground $ do + clear + drawClockForeground True width height + writeIORef backgroundRef (Just background) + writeIORef foregroundRef (Just foreground) + + on window #realize redrawStaticLayers + + sizeRef <- newIORef (initialSize, initialSize) + timeoutHandlerRef <- newIORef Nothing + on window #configureEvent $ \event -> do + w <- fromIntegral <$> event `get` #width + h <- fromIntegral <$> event `get` #height + + size <- readIORef sizeRef + writeIORef sizeRef (w,h) + when (size /= (w,h)) $ do + + background <- readIORef backgroundRef + foreground <- readIORef foregroundRef + maybe (return ()) surfaceFinish background + maybe (return ()) surfaceFinish foreground + + writeIORef backgroundRef Nothing + writeIORef foregroundRef Nothing + + timeoutHandler <- readIORef timeoutHandlerRef + _ <- maybe (return True) GLib.sourceRemove timeoutHandler + + handler <- GLib.timeoutAdd GLib.PRIORITY_DEFAULT_IDLE 300 + (do + writeIORef timeoutHandlerRef Nothing + redrawStaticLayers + #queueDraw window + return False + ) + writeIORef timeoutHandlerRef (Just handler) + + return False + + on window #draw $ \context -> do + width <- fromIntegral <$> #getAllocatedWidth window + height <- fromIntegral <$> #getAllocatedHeight window + + background <- readIORef backgroundRef + foreground <- readIORef foregroundRef + + renderWithContext context $ do + save + setOperator OperatorSource + setSourceRGBA 0 0 0 0 + paint + restore + + case background of + Nothing -> drawClockBackground False width height + Just background -> do + setSourceSurface background 0 0 + paint + + drawClockHands (isJust background) width height + + case foreground of + Nothing -> drawClockForeground False width height + Just foreground -> do + setSourceSurface foreground 0 0 + paint + + return True + + #showAll window + + Gtk.main diff --git a/gui/LICENSE b/gui/LICENSE new file mode 100644 index 0000000..73337ca --- /dev/null +++ b/gui/LICENSE @@ -0,0 +1,470 @@ +The haskell-gi library and included works are provided under the terms of the +GNU Library General Public License (LGPL) version 2.1 with the following +exception: + +Static linking of applications or any other source to the haskell-gi library +does not constitute a modified or derivative work and does not require the +author(s) to provide source code for said work, to link against the shared +haskell-gi libraries, or to link their applications against a user-supplied +version of haskell-gi. 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