mirror of
https://github.com/rgleichman/glance.git
synced 2024-11-22 23:28:34 +03:00
Put code in gui/Main.hs. Use Cairo for graphics.
This commit is contained in:
Robbie Gleichman
parent
42eafa4ba6
commit
7f55169766
@ -78,8 +78,9 @@ executable glance-gui
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, text
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, transformers
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, old-time
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, containers
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default-language: Haskell2010
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Other-modules: Drag
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Other-modules:
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test-suite glance-test
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type: exitcode-stdio-1.0
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226
gui/Drag.hs
226
gui/Drag.hs
@ -1,226 +0,0 @@
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{-# LANGUAGE OverloadedStrings, OverloadedLabels, FlexibleContexts #-}
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{-# LANGUAGE NamedFieldPuns #-}
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{-# LANGUAGE PartialTypeSignatures #-}
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module Drag (mainDrag) where
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import Control.Concurrent
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import Control.Monad
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import Control.Monad (when)
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import Control.Monad.Trans.Reader (runReaderT)
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import Data.IORef
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import Data.GI.Base
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import qualified GI.Cairo as GI.Cairo
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import qualified GI.GLib as GLib
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import qualified GI.Gdk as Gdk
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import qualified GI.GdkPixbuf as GP
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import qualified GI.Gio as Gio
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import qualified GI.Gtk as Gtk
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import Foreign.Ptr (castPtr)
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import Graphics.Rendering.Cairo
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import Graphics.Rendering.Cairo.Internal (Render(runRender))
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import Graphics.Rendering.Cairo.Types (Cairo(Cairo))
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data AppState = AppState
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{ _asMovingNode :: Maybe Gtk.ListBox
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, _asOutBtn :: Maybe Gtk.Button
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, _asEdges :: [(Gtk.Button, Gtk.Button)]
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}
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renderCairo c r = withManagedPtr c $ \pointer ->
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runReaderT (runRender r) (Cairo (castPtr pointer))
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-- TODO Add type signature
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getXandY event =
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(\x y -> (x, y)) <$> get event #x <*> get event #y
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-- updateCanvas :: WidgetClass widget => widget -> PangoLayout -> Render ()
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drawLine (fromX, fromY) (toX, toY) = do
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setSourceRGB 0 1 0
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setLineWidth 5
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moveTo fromX fromY
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lineTo toX toY
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stroke
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updateBackground canvas state = do
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width <- realToFrac <$> (liftIO $ Gtk.widgetGetAllocatedWidth canvas)
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height <- realToFrac <$> (liftIO $ Gtk.widgetGetAllocatedHeight canvas)
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-- TODO This should be moved into the setup phase
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setSourceRGB 0 0 0
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paint
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(btnX, btnY) <- liftIO $ do
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mMoveBtn <- _asMovingNode <$> readIORef state
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case mMoveBtn of
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Nothing -> pure (0, 0)
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Just btn -> (do
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btnAlloc <- Gtk.widgetGetAllocation btn
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(\(x, y) -> (realToFrac x, realToFrac y)) <$> getXandY btnAlloc)
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--drawLine (0, 0) (width, height)
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drawLine (0, 0) (btnX, btnY)
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--drawLine (width, 0) (btnX, btnY)
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-- setSourceRGB 0 1 0
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-- setLineWidth 5
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-- moveTo 0 0
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-- lineTo width height
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-- stroke
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startApp :: Gtk.Application -> IO ()
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startApp app = do
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state <- newIORef (AppState{_asMovingNode=Nothing, _asOutBtn=Nothing, _asEdges=[]})
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window <- new Gtk.ApplicationWindow
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[ #application := app
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, #title := "Glance"
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, #defaultWidth := 500
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, #defaultHeight := 500
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, #borderWidth := 0
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]
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overlay <- new Gtk.Overlay []
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backgroundArea <- new Gtk.DrawingArea []
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layout <- new Gtk.Layout []
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Gtk.widgetAddEvents layout
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[ Gdk.EventMaskPointerMotionMask
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, Gdk.EventMaskButtonPressMask]
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#add window overlay
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#add overlay backgroundArea
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#addOverlay overlay layout
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geometry <- new Gdk.Geometry [ #minWidth := 500, #minHeight := 500]
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-- screen <- get window #screen
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-- rgbaVisual <- #getRgbaVisual screen
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-- #setVisual window rgbaVisual
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-- No noticable change with setting this to GLib.PRIORITY_DEFAULT
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-- GLib.timeoutAdd GLib.PRIORITY_LOW 10 (#queueDraw backgroundArea >> pure True)
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surfaceRef <- newIORef (Nothing)
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_ <- on backgroundArea #draw (\context -> do
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mSurface <- readIORef surfaceRef
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surface <- case mSurface of
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Nothing -> do
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(width, height) <- #getSize window
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surf <- createImageSurface
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FormatARGB32
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(fromIntegral width)
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(fromIntegral height)
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writeIORef surfaceRef $ Just $ surf
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pure surf
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Just surface -> pure surface
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renderCairo context (updateBackground backgroundArea state)
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-- #showAll backgroundArea
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pure True)
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-- #add scrolledWindow layout
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-- #addOverlay overlay layout
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let
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motionCallback eventMotion
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= do
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mMoveNode <- _asMovingNode <$> readIORef state
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case mMoveNode of
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Nothing -> pure ()
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Just node -> (do
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(x, y) <- getXandY eventMotion
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btnWidth <- Gtk.widgetGetAllocatedWidth node
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btnHeight <- Gtk.widgetGetAllocatedHeight node
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Gtk.layoutMove
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layout
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node
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((truncate x) - (btnWidth `div` 2))
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((truncate y) - (btnHeight `div` 2))
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-- #queueDraw backgroundArea
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pure ()
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)
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pure False
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_ <- on layout #motionNotifyEvent motionCallback
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let
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moveBtnClicked node
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= do
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putStrLn "Move button clicked"
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mMoveNode <- _asMovingNode <$> readIORef state
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case mMoveNode of
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Just _ ->
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Gtk.widgetQueueDraw backgroundArea
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_ -> pure ()
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modifyIORef state
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(\s@AppState{_asMovingNode}
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-> case _asMovingNode of
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Nothing -> s{_asMovingNode=Just node}
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_ -> s{_asMovingNode=Nothing}
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)
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-- nodeWidth <- Gtk.widgetGetAllocatedWidth node
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-- nodeHeight <- Gtk.widgetGetAllocatedHeight node
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-- nodeAlloc <- Gtk.widgetGetAllocation node
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-- (x, y) <- getXandY nodeAlloc
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-- layoutWidth <- Gtk.getLayoutWidth layout
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-- layoutHeight <- Gtk.getLayoutHeight layout
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-- Gtk.setLayoutWidth layout (max layoutWidth (fromIntegral (x + nodeWidth)))
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-- Gtk.setLayoutHeight
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-- layout
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-- (max layoutHeight (fromIntegral (y + nodeHeight)))
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-- buttonPressEvent and buttonReleaseEvent don't seem to be triggered by the
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-- mneumonic.
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_ <- on layout #buttonPressEvent $ \ eventButton ->
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do
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putStrLn "layout clicked"
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mouseBtn <- get eventButton #button
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-- button 3 is usally right mouse button
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(when (mouseBtn == 3)
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(do
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(x, y) <- getXandY eventButton
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moveBtn <- new
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Gtk.Button [ #label := "_Move", #useUnderline := True ]
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outBtn <- new
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Gtk.Button [ #label := "_Out", #useUnderline := True ]
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inBtn <- new
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Gtk.Button [ #label := "_In", #useUnderline := True ]
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-- Gtk.widgetAddEvents newBtn
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-- [ Gdk.EventMaskButtonPressMask]
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listBox <- new Gtk.ListBox []
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#add listBox inBtn
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#add listBox moveBtn
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#add listBox outBtn
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(#showAll listBox)
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(listBoxWidth, _) <- Gtk.widgetGetPreferredWidth listBox
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(listBoxHeight, _) <- Gtk.widgetGetPreferredHeight listBox
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Gtk.layoutPut
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layout
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listBox
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((truncate x) - (listBoxWidth `div` 2))
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((truncate y) - (listBoxHeight `div` 2))
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_ <- on moveBtn #clicked (moveBtnClicked listBox)
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-- Uncomment to stop right clicking on buttons from
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-- creating new buttons at (0, 0). But buttonPressEvent
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-- and buttonReleaseEvent don't seem to be triggered by
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-- the mneumonic.
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--
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-- _ <- on newBtn #buttonPressEvent (\_btn -> moveBtnClicked
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-- newBtn >> pure True)
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(#showAll listBox)
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pure ()))
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pure False
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#showAll window
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pure ()
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mainDrag :: IO ()
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mainDrag = do
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app <- new Gtk.Application []
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_ <- on app #activate (startApp app)
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status <- Gio.applicationRun app Nothing
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putStrLn ("Application status is " <> show status)
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pure ()
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@ -1,212 +0,0 @@
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{-# LANGUAGE OverloadedStrings, OverloadedLabels, FlexibleContexts #-}
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{-# LANGUAGE NamedFieldPuns #-}
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{-# LANGUAGE PartialTypeSignatures #-}
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module Drag (mainDrag) where
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import Control.Concurrent
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import Control.Monad
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import Control.Monad (when)
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import Control.Monad.Trans.Reader (runReaderT)
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import Data.IORef
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import Data.GI.Base
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import qualified GI.Cairo as GI.Cairo
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import qualified GI.GLib as GLib
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import qualified GI.Gdk as Gdk
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import qualified GI.GdkPixbuf as GP
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import qualified GI.Gio as Gio
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import qualified GI.Gtk as Gtk
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import Foreign.Ptr (castPtr)
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import Graphics.Rendering.Cairo
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import Graphics.Rendering.Cairo.Internal (Render(runRender))
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import Graphics.Rendering.Cairo.Types (Cairo(Cairo))
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data AppState = AppState
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{ _asMoveBtn :: Maybe Gtk.Button
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}
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renderCairo c r = withManagedPtr c $ \pointer ->
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runReaderT (runRender r) (Cairo (castPtr pointer))
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-- TODO Add type signature
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getXandY event =
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(\x y -> (x, y)) <$> get event #x <*> get event #y
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-- updateCanvas :: WidgetClass widget => widget -> PangoLayout -> Render ()
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drawLine (fromX, fromY) (toX, toY) = do
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setSourceRGB 0 1 0
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setLineWidth 5
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moveTo fromX fromY
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lineTo toX toY
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stroke
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updateCanvas canvas state = do
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width <- realToFrac <$> (liftIO $ Gtk.widgetGetAllocatedWidth canvas)
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height <- realToFrac <$> (liftIO $ Gtk.widgetGetAllocatedHeight canvas)
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-- setSourceRGB 0 0 0
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-- paint
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(btnX, btnY) <- liftIO $ do
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mMoveBtn <- _asMoveBtn <$> readIORef state
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case mMoveBtn of
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Nothing -> pure (0, 0)
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Just btn -> (do
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btnAlloc <- Gtk.widgetGetAllocation btn
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(\(x, y) -> (realToFrac x, realToFrac y)) <$> getXandY btnAlloc)
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--drawLine (0, 0) (width, height)
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drawLine (0, 0) (btnX, btnY)
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--drawLine (width, 0) (btnX, btnY)
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-- setSourceRGB 0 1 0
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-- setLineWidth 5
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-- moveTo 0 0
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-- lineTo width height
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-- stroke
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startApp :: Gtk.Application -> IO ()
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startApp app = do
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state <- newIORef (AppState{_asMoveBtn=Nothing})
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window <- new Gtk.ApplicationWindow
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[ #application := app
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, #title := "Glance"
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, #defaultWidth := 500
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, #defaultHeight := 500
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, #borderWidth := 0
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]
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-- scrolledWindow <- new Gtk.ScrolledWindow [#minContentWidth := 800, #minContentHeight := 800]
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-- #add window scrolledWindow
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-- Gtk.overlayAddOverlay overlay scrolledWindow
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overlay <- new Gtk.Overlay []
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backgroundArea <- new Gtk.DrawingArea []
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layout <- new Gtk.Layout []
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Gtk.widgetAddEvents layout
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[ Gdk.EventMaskPointerMotionMask
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, Gdk.EventMaskButtonPressMask]
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#add window overlay
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#add overlay backgroundArea
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#addOverlay overlay layout
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geometry <- new Gdk.Geometry [ #minWidth := 500, #minHeight := 500]
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-- screen <- get window #screen
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-- rgbaVisual <- #getRgbaVisual screen
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-- #setVisual window rgbaVisual
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-- No noticable change with setting this to GLib.PRIORITY_DEFAULT
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GLib.timeoutAdd GLib.PRIORITY_LOW 200 (#queueDraw backgroundArea >> pure True)
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surfaceRef <- newIORef (Nothing)
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_ <- on backgroundArea #draw (\context -> do
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mSurface <- readIORef surfaceRef
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surface <- case mSurface of
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Nothing -> do
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(width, height) <- #getSize window
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surf <- createImageSurface
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FormatARGB32
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(fromIntegral width)
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(fromIntegral height)
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writeIORef surfaceRef $ Just $ surf
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pure surf
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Just surface -> pure surface
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renderCairo context (updateCanvas backgroundArea state)
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-- #showAll backgroundArea
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pure True)
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-- #add scrolledWindow layout
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-- #addOverlay overlay layout
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let
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motionCallback eventMotion
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= do
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mMoveBtn <- _asMoveBtn <$> readIORef state
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case mMoveBtn of
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Nothing -> pure ()
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Just btn -> (do
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(x, y) <- getXandY eventMotion
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btnWidth <- Gtk.widgetGetAllocatedWidth btn
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btnHeight <- Gtk.widgetGetAllocatedHeight btn
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Gtk.layoutMove
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layout
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btn
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((truncate x) - (btnWidth `div` 2))
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((truncate y) - (btnHeight `div` 2))
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-- #queueDraw backgroundArea
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pure ()
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)
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pure False
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_ <- on layout #motionNotifyEvent motionCallback
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let
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btnClicked btn
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= do
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putStrLn "Button clicked"
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modifyIORef state
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(\s@AppState{_asMoveBtn}
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-> case _asMoveBtn of
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Nothing -> s{_asMoveBtn=Just btn}
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_ -> s{_asMoveBtn=Nothing}
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)
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btnWidth <- Gtk.widgetGetAllocatedWidth btn
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btnHeight <- Gtk.widgetGetAllocatedHeight btn
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btnAlloc <- Gtk.widgetGetAllocation btn
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(x, y) <- getXandY btnAlloc
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layoutWidth <- Gtk.getLayoutWidth layout
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layoutHeight <- Gtk.getLayoutHeight layout
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Gtk.setLayoutWidth layout (max layoutWidth (fromIntegral (x + btnWidth)))
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Gtk.setLayoutHeight
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layout
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(max layoutHeight (fromIntegral (y + btnHeight)))
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-- Gtk.widgetQueueDraw backgroundArea
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|
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-- buttonPressEvent and buttonReleaseEvent don't seem to be triggered by the
|
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-- mneumonic.
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_ <- on layout #buttonPressEvent $ \ eventButton ->
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do
|
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putStrLn "layout clicked"
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mouseBtn <- get eventButton #button
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-- button 3 is usally right mouse button
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(when (mouseBtn == 3)
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(do
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(x, y) <- getXandY eventButton
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newBtn <- new
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Gtk.Button [ #label := "_Node", #useUnderline := True ]
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-- Gtk.widgetAddEvents newBtn
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-- [ Gdk.EventMaskButtonPressMask]
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(#show newBtn)
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(btnWidth, _) <- Gtk.widgetGetPreferredWidth newBtn
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(btnHeight, _) <- Gtk.widgetGetPreferredHeight newBtn
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Gtk.layoutPut
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layout
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newBtn
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((truncate x) - (btnWidth `div` 2))
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((truncate y) - (btnHeight `div` 2))
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_ <- on newBtn #clicked (btnClicked newBtn)
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-- Uncomment to stop right clicking on buttons from
|
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-- creating new buttons at (0, 0). But buttonPressEvent
|
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-- and buttonReleaseEvent don't seem to be triggered by
|
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-- the mneumonic.
|
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--
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-- _ <- on newBtn #buttonPressEvent (\_btn -> btnClicked
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-- newBtn >> pure True)
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(#show newBtn)
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pure ()))
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pure False
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#showAll window
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pure ()
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mainDrag :: IO ()
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mainDrag = do
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app <- new Gtk.Application []
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_ <- on app #activate (startApp app)
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status <- Gio.applicationRun app Nothing
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putStrLn ("Application status is " <> show status)
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pure ()
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173
gui/Main.hs
173
gui/Main.hs
@ -1,9 +1,172 @@
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{-# LANGUAGE OverloadedLabels #-}
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{-# LANGUAGE OverloadedLists #-}
|
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{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE OverloadedStrings, OverloadedLabels, FlexibleContexts #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
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{-# LANGUAGE PartialTypeSignatures #-}
|
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{-# LANGUAGE GADTs #-}
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|
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module Main (main) where
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|
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import Drag (mainDrag)
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import Control.Concurrent
|
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import Control.Monad
|
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import Control.Monad (when)
|
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import Control.Monad.Trans.Reader (runReaderT)
|
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import Data.IORef
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import qualified Data.IntMap as IntMap
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import Data.Maybe (fromJust)
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|
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import Data.GI.Base
|
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import qualified GI.Cairo as GI.Cairo
|
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import qualified GI.GLib as GLib
|
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import qualified GI.Gdk as Gdk
|
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import qualified GI.GdkPixbuf as GP
|
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import qualified GI.Gio as Gio
|
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import qualified GI.Gtk as Gtk
|
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|
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import Foreign.Ptr (castPtr)
|
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import Graphics.Rendering.Cairo
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import Graphics.Rendering.Cairo.Internal (Render(runRender))
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import Graphics.Rendering.Cairo.Types (Cairo(Cairo))
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-- | A graphical element that can be clicked
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data Element = Element
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{ _elPosition :: !(Int, Int) -- ^ (x, y) of top left corner
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, _elSize :: !(Int, Int) -- ^ (width, height)
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, _elZ :: Int -- ^ Depth. Higher values are drawn on top
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}
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||||
|
||||
data AppState = AppState
|
||||
{ _asMovingNode :: Maybe Int -- ^ _asElements key
|
||||
, _asEdges :: [(Element, Element)]
|
||||
, _asMouseXandY :: !(Double, Double)
|
||||
, _asElements :: IntMap.IntMap Element
|
||||
}
|
||||
|
||||
emptyAppState = AppState
|
||||
{ _asMovingNode = Nothing
|
||||
, _asEdges = []
|
||||
, _asMouseXandY = (0, 0)
|
||||
, _asElements = mempty
|
||||
}
|
||||
|
||||
renderCairo c r = withManagedPtr c $ \pointer ->
|
||||
runReaderT (runRender r) (Cairo (castPtr pointer))
|
||||
|
||||
-- TODO Add type signature
|
||||
getXandY event =
|
||||
(\x y -> (x, y)) <$> get event #x <*> get event #y
|
||||
|
||||
-- updateCanvas :: WidgetClass widget => widget -> PangoLayout -> Render ()
|
||||
drawLine (fromX, fromY) (toX, toY) = do
|
||||
setSourceRGB 0 1 0
|
||||
setLineWidth 5
|
||||
|
||||
moveTo fromX fromY
|
||||
lineTo toX toY
|
||||
stroke
|
||||
|
||||
drawCircle (x, y) = do
|
||||
-- setSourceRGB 1 0 0
|
||||
setLineWidth 1
|
||||
-- moveTo x y
|
||||
let radius = 20
|
||||
let tau = 2 * pi
|
||||
arc x y radius 0 tau
|
||||
stroke
|
||||
|
||||
updateBackground canvas state = do
|
||||
width <- realToFrac <$> (liftIO $ Gtk.widgetGetAllocatedWidth canvas)
|
||||
height <- realToFrac <$> (liftIO $ Gtk.widgetGetAllocatedHeight canvas)
|
||||
|
||||
-- TODO This should be moved into the setup phase
|
||||
setSourceRGB 0 0 0
|
||||
paint
|
||||
|
||||
stateVal <- liftIO $ readIORef state
|
||||
setSourceRGB 1 0 0
|
||||
drawCircle (_asMouseXandY stateVal)
|
||||
|
||||
startApp :: Gtk.Application -> IO ()
|
||||
startApp app = do
|
||||
state <- newIORef emptyAppState
|
||||
window <- new Gtk.ApplicationWindow
|
||||
[ #application := app
|
||||
, #title := "Glance"
|
||||
, #defaultWidth := 500
|
||||
, #defaultHeight := 500
|
||||
, #borderWidth := 0
|
||||
]
|
||||
backgroundArea <- new Gtk.DrawingArea []
|
||||
Gtk.widgetAddEvents backgroundArea
|
||||
[ Gdk.EventMaskPointerMotionMask
|
||||
, Gdk.EventMaskButtonPressMask]
|
||||
#add window backgroundArea
|
||||
|
||||
geometry <- new Gdk.Geometry [ #minWidth := 500, #minHeight := 500]
|
||||
|
||||
-- screen <- get window #screen
|
||||
-- rgbaVisual <- #getRgbaVisual screen
|
||||
-- #setVisual window rgbaVisual
|
||||
|
||||
-- No noticable change with setting this to GLib.PRIORITY_DEFAULT
|
||||
-- GLib.timeoutAdd GLib.PRIORITY_LOW 1 (#queueDraw backgroundArea >> pure True)
|
||||
|
||||
surfaceRef <- newIORef (Nothing)
|
||||
|
||||
_ <- on backgroundArea #draw (\context -> do
|
||||
mSurface <- readIORef surfaceRef
|
||||
surface <- case mSurface of
|
||||
Nothing -> do
|
||||
(width, height) <- #getSize window
|
||||
surf <- createImageSurface
|
||||
FormatARGB32
|
||||
(fromIntegral width)
|
||||
(fromIntegral height)
|
||||
writeIORef surfaceRef $ Just $ surf
|
||||
pure surf
|
||||
Just surface -> pure surface
|
||||
|
||||
renderCairo context (updateBackground backgroundArea state)
|
||||
pure True)
|
||||
|
||||
let
|
||||
timeoutCallback :: IO Bool
|
||||
timeoutCallback = do
|
||||
gdkWindow <- fromJust <$> #getWindow window
|
||||
display <- fmap fromJust Gdk.displayGetDefault -- TODO unsafe
|
||||
deviceManager <- fromJust <$> Gdk.displayGetDeviceManager display -- TODO deprecated
|
||||
device <- Gdk.deviceManagerGetClientPointer deviceManager
|
||||
gdkDevicePosition <- Gdk.windowGetDevicePositionDouble gdkWindow device
|
||||
let (_, x, y, _) = gdkDevicePosition
|
||||
print (x, y)
|
||||
#queueDraw backgroundArea
|
||||
pure True
|
||||
|
||||
GLib.timeoutAdd GLib.PRIORITY_LOW 1 (timeoutCallback)
|
||||
|
||||
let
|
||||
motionCallback eventMotion = do
|
||||
-- print "motion callback"
|
||||
mousePosition <- getXandY eventMotion
|
||||
-- print mousePosition
|
||||
modifyIORef' state
|
||||
(\s@AppState{_asMouseXandY}
|
||||
-> s{_asMouseXandY=mousePosition}
|
||||
)
|
||||
pure False
|
||||
_ <- on backgroundArea #motionNotifyEvent motionCallback
|
||||
|
||||
let
|
||||
backgroundPress _ = do
|
||||
putStrLn "backgroundPressed"
|
||||
pure True
|
||||
on backgroundArea #buttonPressEvent backgroundPress
|
||||
|
||||
#showAll window
|
||||
pure ()
|
||||
|
||||
main :: IO ()
|
||||
main = mainDrag
|
||||
main = do
|
||||
app <- new Gtk.Application []
|
||||
_ <- on app #activate (startApp app)
|
||||
status <- Gio.applicationRun app Nothing
|
||||
putStrLn ("Application status is " <> show status)
|
||||
pure ()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user