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https://github.com/Drezil/dear-imgui.hs.git
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1 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| 36a38f774a |
7
.github/workflows/build.yaml
vendored
7
.github/workflows/build.yaml
vendored
@ -13,9 +13,4 @@ jobs:
|
||||
with:
|
||||
nix_path: nixpkgs=channel:nixos-unstable
|
||||
|
||||
- uses: cachix/cachix-action@v8
|
||||
with:
|
||||
name: hs-dear-imgui
|
||||
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
|
||||
|
||||
- run: nix-build -A hsPkgs.dear-imgui.components.exes
|
||||
- run: nix-build -A hsPkgs.dear-imgui.components.exes --option trusted-public-keys "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=" --option substituters "https://hydra.iohk.io https://iohk.cachix.org https://cache.nixos.org/"
|
||||
|
||||
1
.gitignore
vendored
1
.gitignore
vendored
@ -21,4 +21,3 @@ cabal.project.local
|
||||
cabal.project.local~
|
||||
.HTF/
|
||||
.ghc.environment.*
|
||||
/imgui.ini
|
||||
|
||||
88
Main.hs
88
Main.hs
@ -1,15 +1,13 @@
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE DuplicateRecordFields #-}
|
||||
{-# LANGUAGE LambdaCase #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
|
||||
module Main (main) where
|
||||
|
||||
import Control.Monad
|
||||
import Data.IORef
|
||||
import DearImGui
|
||||
import DearImGui.OpenGL3
|
||||
import DearImGui.OpenGL
|
||||
import DearImGui.SDL
|
||||
import DearImGui.SDL.OpenGL
|
||||
import Control.Exception
|
||||
@ -24,40 +22,22 @@ main = do
|
||||
bracket (glCreateContext w) glDeleteContext \glContext ->
|
||||
bracket createContext destroyContext \_imguiContext ->
|
||||
bracket_ (sdl2InitForOpenGL w glContext) sdl2Shutdown $
|
||||
bracket_ openGL3Init openGL3Shutdown do
|
||||
bracket_ openGL2Init openGL2Shutdown do
|
||||
checkVersion
|
||||
styleColorsLight
|
||||
|
||||
checked <- newIORef False
|
||||
color <- newIORef $ ImVec3 1 0 0
|
||||
slider <- newIORef (0.42, 0, 0.314)
|
||||
r <- newIORef 4
|
||||
pos <- newIORef $ ImVec2 64 64
|
||||
size' <- newIORef $ ImVec2 512 512
|
||||
selected <- newIORef 4
|
||||
tab1 <- newIORef True
|
||||
tab2 <- newIORef True
|
||||
loop w checked color slider r pos size' selected tab1 tab2
|
||||
slider <- newIORef 0.42
|
||||
loop w checked color slider
|
||||
|
||||
openGL3Shutdown
|
||||
openGL2Shutdown
|
||||
|
||||
|
||||
loop
|
||||
:: Window
|
||||
-> IORef Bool
|
||||
-> IORef ImVec3
|
||||
-> IORef (Float, Float, Float)
|
||||
-> IORef Int
|
||||
-> IORef ImVec2
|
||||
-> IORef ImVec2
|
||||
-> IORef Int
|
||||
-> IORef Bool
|
||||
-> IORef Bool
|
||||
-> IO ()
|
||||
loop w checked color slider r pos size' selected tab1Ref tab2Ref = do
|
||||
loop :: Window -> IORef Bool -> IORef ImVec3 -> IORef Float -> IO ()
|
||||
loop w checked color slider = do
|
||||
quit <- pollEvents
|
||||
|
||||
openGL3NewFrame
|
||||
openGL2NewFrame
|
||||
sdl2NewFrame w
|
||||
newFrame
|
||||
|
||||
@ -66,34 +46,9 @@ loop w checked color slider r pos size' selected tab1Ref tab2Ref = do
|
||||
-- showAboutWindow
|
||||
-- showUserGuide
|
||||
|
||||
setNextWindowPos pos ImGuiCond_Once Nothing
|
||||
setNextWindowSize size' ImGuiCond_Once
|
||||
-- Works, but will make the window contents illegible without doing something more involved.
|
||||
-- setNextWindowContentSize size'
|
||||
-- setNextWindowSizeConstraints size' size'
|
||||
setNextWindowCollapsed False ImGuiCond_Once
|
||||
|
||||
setNextWindowBgAlpha 0.42
|
||||
|
||||
begin Begin{ name = "My Window", isOpen = Nothing }
|
||||
|
||||
begin "My Window"
|
||||
text "Hello!"
|
||||
|
||||
beginTabBar "My tab bar" ImGuiTabBarFlags_Reorderable >>= whenTrue do
|
||||
beginTabItem "Tab 1" tab1Ref ImGuiTabBarFlags_None >>= whenTrue do
|
||||
text "Tab 1 is currently selected."
|
||||
endTabItem
|
||||
beginTabItem "Tab 2" tab2Ref ImGuiTabBarFlags_None >>= whenTrue do
|
||||
text "Tab 2 is selected now."
|
||||
endTabItem
|
||||
reOpen <- tabItemButton "ReopenTabs" ImGuiTabItemFlags_Trailing
|
||||
when reOpen do
|
||||
writeIORef tab1Ref True
|
||||
writeIORef tab2Ref True
|
||||
endTabBar
|
||||
|
||||
listBox "Items" r [ "A", "B", "C" ]
|
||||
|
||||
button "Click me" >>= \case
|
||||
True -> openPopup "Button Popup"
|
||||
False -> return ()
|
||||
@ -111,42 +66,27 @@ loop w checked color slider r pos size' selected tab1Ref tab2Ref = do
|
||||
True -> putStrLn "Oh hi Mark"
|
||||
False -> return ()
|
||||
|
||||
sameLine >> arrowButton "Arrow" ImGuiDir_Up
|
||||
sameLine >> arrowButton "Arrow" ImGuiDirUp
|
||||
|
||||
sameLine >> checkbox Checkbox{ label = "Check!", checked = toStateVar checked } >>= \case
|
||||
sameLine >> checkbox "Check!" checked >>= \case
|
||||
True -> readIORef checked >>= print
|
||||
False -> return ()
|
||||
|
||||
separator
|
||||
|
||||
dragFloat3 "Slider" slider 0.1 0.0 1.0
|
||||
sliderFloat "Slider" slider 0.0 1.0
|
||||
|
||||
progressBar 0.314 (Just "Pi")
|
||||
|
||||
beginChild "Child"
|
||||
|
||||
beginCombo "Label" "Preview" >>= whenTrue do
|
||||
selectable "Testing 1"
|
||||
selectable "Testing 2"
|
||||
endCombo
|
||||
|
||||
combo "Simple" selected [ "1", "2", "3" ]
|
||||
|
||||
endChild
|
||||
|
||||
plotHistogram "A histogram" [ 10, 10, 20, 30, 90 ]
|
||||
|
||||
colorPicker3 "Test" color
|
||||
|
||||
treeNode "Tree Node 1" >>= whenTrue do
|
||||
treeNode "Tree Node 2" >>= whenTrue do
|
||||
treePop
|
||||
|
||||
treeNode "Tree Node 3" >>= whenTrue do
|
||||
treePop
|
||||
|
||||
treePop
|
||||
|
||||
beginMainMenuBar >>= whenTrue do
|
||||
beginMenu "Hello" >>= whenTrue do
|
||||
menuItem "Hello"
|
||||
@ -163,11 +103,11 @@ loop w checked color slider r pos size' selected tab1Ref tab2Ref = do
|
||||
render
|
||||
|
||||
glClear GL_COLOR_BUFFER_BIT
|
||||
openGL3RenderDrawData =<< getDrawData
|
||||
openGL2RenderDrawData =<< getDrawData
|
||||
|
||||
glSwapWindow w
|
||||
|
||||
if quit then return () else loop w checked color slider r pos size' selected tab1Ref tab2Ref
|
||||
if quit then return () else loop w checked color slider
|
||||
|
||||
where
|
||||
|
||||
|
||||
@ -41,7 +41,7 @@ import Control.Exception
|
||||
import Control.Monad.IO.Class
|
||||
import Control.Monad.Managed
|
||||
import DearImGui
|
||||
import DearImGui.OpenGL2
|
||||
import DearImGui.OpenGL
|
||||
import DearImGui.SDL
|
||||
import DearImGui.SDL.OpenGL
|
||||
import Graphics.GL
|
||||
|
||||
@ -1,3 +1,3 @@
|
||||
packages: *.cabal
|
||||
package dear-imgui
|
||||
flags: +sdl2 +glfw +opengl2 +opengl3 +vulkan
|
||||
flags: +sdl2 +opengl +vulkan
|
||||
|
||||
136
dear-imgui.cabal
136
dear-imgui.cabal
@ -2,20 +2,10 @@ cabal-version: 3.0
|
||||
name: dear-imgui
|
||||
version: 1.0.0
|
||||
build-type: Simple
|
||||
data-files:
|
||||
imgui/imgui.h
|
||||
|
||||
flag opengl2
|
||||
flag opengl
|
||||
description:
|
||||
Enable OpenGL 2 backend.
|
||||
default:
|
||||
False
|
||||
manual:
|
||||
False
|
||||
|
||||
flag opengl3
|
||||
description:
|
||||
Enable OpenGL 3 backend.
|
||||
Enable OpenGL backend.
|
||||
default:
|
||||
True
|
||||
manual:
|
||||
@ -37,33 +27,16 @@ flag sdl
|
||||
manual:
|
||||
False
|
||||
|
||||
flag glfw
|
||||
description:
|
||||
Enable GLFW backend.
|
||||
default:
|
||||
False
|
||||
manual:
|
||||
True
|
||||
|
||||
common common
|
||||
build-depends:
|
||||
base
|
||||
>= 4.12 && < 4.17
|
||||
library
|
||||
exposed-modules:
|
||||
DearImGui
|
||||
DearImGui.Context
|
||||
hs-source-dirs:
|
||||
src
|
||||
default-language:
|
||||
Haskell2010
|
||||
ghc-options:
|
||||
-Wall
|
||||
|
||||
library
|
||||
import: common
|
||||
hs-source-dirs:
|
||||
src
|
||||
exposed-modules:
|
||||
DearImGui
|
||||
other-modules:
|
||||
DearImGui.Context
|
||||
DearImGui.Enums
|
||||
DearImGui.Structs
|
||||
cxx-sources:
|
||||
imgui/imgui.cpp
|
||||
imgui/imgui_demo.cpp
|
||||
@ -77,36 +50,27 @@ library
|
||||
include-dirs:
|
||||
imgui
|
||||
build-depends:
|
||||
dear-imgui-generator
|
||||
base
|
||||
, containers
|
||||
, managed
|
||||
, inline-c
|
||||
, inline-c-cpp
|
||||
, StateVar
|
||||
|
||||
if flag(opengl2)
|
||||
if flag(opengl)
|
||||
exposed-modules:
|
||||
DearImGui.OpenGL2
|
||||
DearImGui.OpenGL
|
||||
cxx-sources:
|
||||
imgui/backends/imgui_impl_opengl2.cpp
|
||||
build-depends:
|
||||
gl
|
||||
|
||||
if flag(opengl3)
|
||||
exposed-modules:
|
||||
DearImGui.OpenGL3
|
||||
cxx-sources:
|
||||
imgui/backends/imgui_impl_opengl3.cpp
|
||||
if os(windows)
|
||||
buildable:
|
||||
False
|
||||
extra-libraries:
|
||||
opengl32
|
||||
else
|
||||
if os(darwin)
|
||||
buildable:
|
||||
False
|
||||
frameworks:
|
||||
OpenGL
|
||||
else
|
||||
pkgconfig-depends:
|
||||
glew
|
||||
extra-libraries:
|
||||
GL
|
||||
|
||||
if flag(vulkan)
|
||||
exposed-modules:
|
||||
@ -144,7 +108,7 @@ library
|
||||
pkgconfig-depends:
|
||||
sdl2
|
||||
|
||||
if flag(opengl2) || flag(opengl3)
|
||||
if flag(opengl)
|
||||
exposed-modules:
|
||||
DearImGui.SDL.OpenGL
|
||||
|
||||
@ -152,84 +116,30 @@ library
|
||||
exposed-modules:
|
||||
DearImGui.SDL.Vulkan
|
||||
|
||||
if flag(glfw)
|
||||
exposed-modules:
|
||||
DearImGui.GLFW
|
||||
build-depends:
|
||||
GLFW-b
|
||||
cxx-sources:
|
||||
imgui/backends/imgui_impl_glfw.cpp
|
||||
|
||||
if os(linux) || os(darwin)
|
||||
pkgconfig-depends:
|
||||
glfw3
|
||||
|
||||
if flag(opengl2) || flag(opengl3)
|
||||
exposed-modules:
|
||||
DearImGui.GLFW.OpenGL
|
||||
|
||||
if flag(vulkan)
|
||||
exposed-modules:
|
||||
DearImGui.GLFW.Vulkan
|
||||
|
||||
library dear-imgui-generator
|
||||
import: common
|
||||
hs-source-dirs: generator
|
||||
exposed-modules:
|
||||
DearImGui.Generator
|
||||
, DearImGui.Generator.Parser
|
||||
, DearImGui.Generator.Tokeniser
|
||||
, DearImGui.Generator.Types
|
||||
build-depends:
|
||||
template-haskell
|
||||
>= 2.15 && < 2.19
|
||||
, directory
|
||||
>= 1.3 && < 1.4
|
||||
, filepath
|
||||
>= 1.4 && < 1.5
|
||||
, megaparsec
|
||||
>= 9.0 && < 9.1
|
||||
, parser-combinators
|
||||
>= 1.2.0 && < 1.3
|
||||
, scientific
|
||||
>= 0.3.6.2 && < 0.3.7
|
||||
, text
|
||||
>= 1.2.4 && < 1.3
|
||||
, th-lift
|
||||
>= 0.7 && < 0.9
|
||||
, transformers
|
||||
>= 0.5.6 && < 0.6
|
||||
, unordered-containers
|
||||
>= 0.2.11 && < 0.2.14
|
||||
|
||||
executable test
|
||||
import: common
|
||||
main-is: Main.hs
|
||||
default-language: Haskell2010
|
||||
build-depends: base, sdl2, gl, dear-imgui
|
||||
ghc-options: -Wall
|
||||
|
||||
executable glfw
|
||||
main-is: Main.hs
|
||||
hs-source-dirs: examples/glfw
|
||||
default-language: Haskell2010
|
||||
build-depends: base, GLFW-b, gl, dear-imgui, managed
|
||||
ghc-options: -Wall
|
||||
|
||||
executable readme
|
||||
import: common
|
||||
main-is: Readme.hs
|
||||
hs-source-dirs: examples
|
||||
build-depends: sdl2, gl, dear-imgui, managed
|
||||
default-language: Haskell2010
|
||||
build-depends: base, sdl2, gl, dear-imgui, managed
|
||||
ghc-options: -Wall
|
||||
|
||||
executable vulkan
|
||||
import: common
|
||||
main-is: Main.hs
|
||||
other-modules: Attachments, Backend, Input, Util
|
||||
hs-source-dirs: examples/vulkan
|
||||
default-language: Haskell2010
|
||||
build-depends:
|
||||
dear-imgui
|
||||
, base
|
||||
>= 4.13 && < 4.16
|
||||
, bytestring
|
||||
>= 0.10.10.0 && < 0.12
|
||||
, containers
|
||||
|
||||
14
default.nix
14
default.nix
@ -20,18 +20,4 @@ in pkgs.haskell-nix.project {
|
||||
name = "dear-imgui";
|
||||
src = ./.;
|
||||
};
|
||||
modules = [ {
|
||||
# This library needs libXext to build, but doesn't explicitly state it in
|
||||
# its .cabal file.
|
||||
packages.bindings-GLFW.components.library.libs =
|
||||
pkgs.lib.mkForce (
|
||||
pkgs.lib.optionals pkgs.stdenv.isDarwin (with pkgs.darwin.apple_sdk.frameworks; [ AGL Cocoa OpenGL IOKit Kernel CoreVideo pkgs.darwin.CF ]) ++
|
||||
pkgs.lib.optionals (!pkgs.stdenv.isDarwin) (with pkgs.xorg; [ libXext libXi libXrandr libXxf86vm libXcursor libXinerama pkgs.libGL ])
|
||||
);
|
||||
|
||||
# Depends on libX11 but doesn't state it in the .cabal file.
|
||||
packages.GLFW-b.components.library.libs =
|
||||
with pkgs.xorg;
|
||||
pkgs.lib.mkForce [ libX11 ];
|
||||
} ];
|
||||
}
|
||||
|
||||
@ -11,7 +11,7 @@ import Control.Exception
|
||||
import Control.Monad.IO.Class
|
||||
import Control.Monad.Managed
|
||||
import DearImGui
|
||||
import DearImGui.OpenGL2
|
||||
import DearImGui.OpenGL
|
||||
import DearImGui.SDL
|
||||
import DearImGui.SDL.OpenGL
|
||||
import Graphics.GL
|
||||
@ -55,7 +55,7 @@ mainLoop w = do
|
||||
newFrame
|
||||
|
||||
-- Build the GUI
|
||||
bracket_ (begin Begin{ name = "Hello, ImGui!", isOpen = Nothing }) end do
|
||||
bracket_ (begin "Hello, ImGui!") end do
|
||||
-- Add a text widget
|
||||
text "Hello, ImGui!"
|
||||
|
||||
|
||||
@ -1,82 +0,0 @@
|
||||
{-# language BlockArguments #-}
|
||||
{-# language LambdaCase #-}
|
||||
{-# language OverloadedStrings #-}
|
||||
|
||||
module Main ( main ) where
|
||||
|
||||
import Control.Exception
|
||||
import Control.Monad
|
||||
import Control.Monad.IO.Class
|
||||
import Control.Monad.Managed
|
||||
import DearImGui
|
||||
import DearImGui.OpenGL2
|
||||
import DearImGui.GLFW
|
||||
import DearImGui.GLFW.OpenGL
|
||||
import Graphics.GL
|
||||
import Graphics.UI.GLFW (Window)
|
||||
import qualified Graphics.UI.GLFW as GLFW
|
||||
|
||||
main :: IO ()
|
||||
main = do
|
||||
initialised <- GLFW.init
|
||||
unless initialised $ error "GLFW init failed"
|
||||
|
||||
runManaged $ do
|
||||
mwin <- managed $ bracket
|
||||
(GLFW.createWindow 800 600 "Hello, Dear ImGui!" Nothing Nothing)
|
||||
(maybe (return ()) GLFW.destroyWindow)
|
||||
case mwin of
|
||||
Just win -> do
|
||||
liftIO $ do
|
||||
GLFW.makeContextCurrent (Just win)
|
||||
GLFW.swapInterval 1
|
||||
|
||||
-- Create an ImGui context
|
||||
_ <- managed $ bracket createContext destroyContext
|
||||
|
||||
-- Initialize ImGui's GLFW backend
|
||||
_ <- managed_ $ bracket_ (glfwInitForOpenGL win True) glfwShutdown
|
||||
|
||||
-- Initialize ImGui's OpenGL backend
|
||||
_ <- managed_ $ bracket_ openGL2Init openGL2Shutdown
|
||||
|
||||
liftIO $ mainLoop win
|
||||
Nothing -> do
|
||||
error "GLFW createWindow failed"
|
||||
|
||||
GLFW.terminate
|
||||
|
||||
mainLoop :: Window -> IO ()
|
||||
mainLoop win = do
|
||||
-- Process the event loop
|
||||
GLFW.pollEvents
|
||||
close <- GLFW.windowShouldClose win
|
||||
unless close do
|
||||
|
||||
-- Tell ImGui we're starting a new frame
|
||||
openGL2NewFrame
|
||||
glfwNewFrame
|
||||
newFrame
|
||||
|
||||
-- Build the GUI
|
||||
bracket_ (begin Begin{ name = "Hello, ImGui!", isOpen = Nothing }) end do
|
||||
-- Add a text widget
|
||||
text "Hello, ImGui!"
|
||||
|
||||
-- Add a button widget, and call 'putStrLn' when it's clicked
|
||||
button "Clickety Click" >>= \case
|
||||
False -> return ()
|
||||
True -> putStrLn "Ow!"
|
||||
|
||||
-- Show the ImGui demo window
|
||||
showDemoWindow
|
||||
|
||||
-- Render
|
||||
glClear GL_COLOR_BUFFER_BIT
|
||||
|
||||
render
|
||||
openGL2RenderDrawData =<< getDrawData
|
||||
|
||||
GLFW.swapBuffers win
|
||||
|
||||
mainLoop win
|
||||
@ -1,159 +0,0 @@
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE CPP #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE RecordWildCards #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
|
||||
module DearImGui.Generator
|
||||
( declareEnumerations )
|
||||
where
|
||||
|
||||
-- base
|
||||
import Data.Coerce
|
||||
( coerce )
|
||||
import Data.Bits
|
||||
( Bits )
|
||||
import Data.Foldable
|
||||
( toList )
|
||||
import Data.Traversable
|
||||
( for )
|
||||
import Foreign.Storable
|
||||
( Storable )
|
||||
|
||||
-- directory
|
||||
import System.Directory
|
||||
( canonicalizePath )
|
||||
|
||||
-- filepath
|
||||
import System.FilePath
|
||||
( takeDirectory )
|
||||
|
||||
-- megaparsec
|
||||
import qualified Text.Megaparsec as Megaparsec
|
||||
( ParseErrorBundle(bundleErrors), parse, parseErrorPretty )
|
||||
|
||||
-- template-haskell
|
||||
import qualified Language.Haskell.TH as TH
|
||||
import qualified Language.Haskell.TH.Syntax as TH
|
||||
|
||||
-- text
|
||||
import qualified Data.Text as Text
|
||||
( isInfixOf, null, unpack, unlines )
|
||||
import qualified Data.Text.IO as Text
|
||||
( readFile )
|
||||
|
||||
-- dear-imgui-generator
|
||||
import qualified DearImGui.Generator.Parser as Parser
|
||||
( headers )
|
||||
import DearImGui.Generator.Tokeniser
|
||||
( tokenise )
|
||||
import DearImGui.Generator.Types
|
||||
( Comment(..), Enumeration(..), Headers(..) )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Obtaining parsed header data.
|
||||
|
||||
headers :: Headers
|
||||
headers = $( do
|
||||
currentPath <- TH.loc_filename <$> TH.location
|
||||
TH.lift =<< TH.runIO do
|
||||
headersPath <- canonicalizePath ( takeDirectory currentPath <> "/../../imgui/imgui.h" )
|
||||
headersSource <- Text.readFile headersPath
|
||||
tokens <- case tokenise headersSource of
|
||||
Left err -> error ( "Couldn't tokenise Dear ImGui headers:\n\n" <> show err )
|
||||
Right toks -> pure toks
|
||||
case Megaparsec.parse Parser.headers "" tokens of
|
||||
Left err -> error $
|
||||
"Couldn't parse Dear ImGui headers:\n\n" <>
|
||||
( unlines ( map Megaparsec.parseErrorPretty . toList $ Megaparsec.bundleErrors err ) )
|
||||
Right res -> pure res
|
||||
)
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Generating TH splices.
|
||||
|
||||
declareEnumerations :: TH.Name -> TH.Name -> TH.Q [ TH.Dec ]
|
||||
declareEnumerations finiteEnumName countName = do
|
||||
concat <$> mapM ( declareEnumeration finiteEnumName countName ) ( enums headers )
|
||||
|
||||
declareEnumeration :: TH.Name -> TH.Name -> Enumeration -> TH.Q [ TH.Dec ]
|
||||
declareEnumeration finiteEnumName countName ( Enumeration {..} ) = do
|
||||
let
|
||||
enumNameStr :: String
|
||||
enumNameStr = Text.unpack enumName
|
||||
isFlagEnum :: Bool
|
||||
isFlagEnum = "Flags" `Text.isInfixOf` enumName
|
||||
tyName <- TH.newName enumNameStr
|
||||
|
||||
conName <- TH.newName enumNameStr
|
||||
let
|
||||
newtypeCon :: TH.Q TH.Con
|
||||
newtypeCon =
|
||||
TH.normalC conName
|
||||
[ TH.bangType
|
||||
( TH.bang TH.noSourceUnpackedness TH.noSourceStrictness )
|
||||
( TH.conT enumType )
|
||||
]
|
||||
classes :: [ TH.Q TH.Type ]
|
||||
classes
|
||||
| isFlagEnum
|
||||
= map TH.conT [ ''Eq, ''Ord, ''Storable, ''Bits ]
|
||||
| otherwise
|
||||
= map TH.conT [ ''Eq, ''Ord, ''Storable ]
|
||||
derivClause :: TH.Q TH.DerivClause
|
||||
derivClause = TH.derivClause ( Just TH.NewtypeStrategy ) classes
|
||||
newtypeDecl <-
|
||||
#if MIN_VERSION_base(4,16,0)
|
||||
( if null docs
|
||||
then TH.newtypeD
|
||||
else
|
||||
\ ctx name bndrs kd con derivs ->
|
||||
TH.newtypeD_doc ctx name ( fmap pure bndrs ) ( fmap pure kd ) ( con, "", [] ) derivs
|
||||
( Text.unpack . Text.unlines . coerce $ docs )
|
||||
)
|
||||
#else
|
||||
TH.newtypeD
|
||||
#endif
|
||||
( pure [] ) tyName [] Nothing newtypeCon [ derivClause ]
|
||||
|
||||
mbAddFiniteEnumInst <-
|
||||
if hasExplicitCount
|
||||
then do
|
||||
finiteEnumInst <-
|
||||
TH.instanceD ( pure [] ) ( TH.appT ( TH.conT finiteEnumName ) ( TH.conT tyName ) )
|
||||
[ TH.tySynInstD ( TH.TySynEqn Nothing
|
||||
<$> TH.appT ( TH.conT countName ) ( TH.conT tyName )
|
||||
<*> TH.litT ( TH.numTyLit enumSize )
|
||||
)
|
||||
]
|
||||
pure ( finiteEnumInst : )
|
||||
else pure id
|
||||
|
||||
synonyms <- for patterns \ ( patternName, patternValue, CommentText patDoc ) -> do
|
||||
let
|
||||
patNameStr :: String
|
||||
patNameStr = Text.unpack patternName
|
||||
patName <- TH.newName patNameStr
|
||||
patSynSig <- TH.patSynSigD patName ( TH.conT tyName )
|
||||
pat <-
|
||||
#if MIN_VERSION_base(4,16,0)
|
||||
( if Text.null patDoc
|
||||
then TH.patSynD
|
||||
else
|
||||
\ nm args dir pat ->
|
||||
TH.patSynD_doc nm args dir pat
|
||||
( Text.unpack patDoc ) []
|
||||
)
|
||||
#else
|
||||
TH.patSynD
|
||||
#endif
|
||||
patName ( TH.prefixPatSyn [] ) TH.implBidir
|
||||
( TH.conP conName [ TH.litP $ TH.integerL patternValue ] )
|
||||
pure ( patSynSig, pat )
|
||||
|
||||
pure ( newtypeDecl : mbAddFiniteEnumInst ( unpairs synonyms ) )
|
||||
|
||||
unpairs :: [ ( a, a ) ] -> [ a ]
|
||||
unpairs [] = []
|
||||
unpairs ( ( x, y ) : as ) = x : y : unpairs as
|
||||
@ -1,392 +0,0 @@
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE DerivingStrategies #-}
|
||||
{-# LANGUAGE DuplicateRecordFields #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE LambdaCase #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE RecordWildCards #-}
|
||||
{-# LANGUAGE ScopedTypeVariables #-}
|
||||
{-# LANGUAGE TemplateHaskellQuotes #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
{-# LANGUAGE ViewPatterns #-}
|
||||
|
||||
module DearImGui.Generator.Parser
|
||||
( CustomParseError(..)
|
||||
, headers
|
||||
)
|
||||
where
|
||||
|
||||
-- base
|
||||
import Control.Applicative
|
||||
( (<|>), many, optional, some )
|
||||
import Control.Monad
|
||||
( void )
|
||||
import Data.Bits
|
||||
( Bits(shiftL) )
|
||||
import Data.Char
|
||||
( isSpace, toLower )
|
||||
import Data.Either
|
||||
( partitionEithers )
|
||||
import Data.Functor
|
||||
( ($>) )
|
||||
import Data.Int
|
||||
( Int64 )
|
||||
import Data.Maybe
|
||||
( catMaybes, fromMaybe )
|
||||
import Foreign.C.Types
|
||||
( CInt )
|
||||
|
||||
-- template-haskell
|
||||
import qualified Language.Haskell.TH as TH
|
||||
( Name )
|
||||
|
||||
-- megaparsec
|
||||
import Text.Megaparsec
|
||||
( MonadParsec(..), ShowErrorComponent(..)
|
||||
, (<?>), anySingle, customFailure, single
|
||||
)
|
||||
|
||||
-- parser-combinators
|
||||
import Control.Applicative.Combinators
|
||||
( manyTill, option, sepBy1, skipManyTill )
|
||||
|
||||
-- scientific
|
||||
import Data.Scientific
|
||||
( floatingOrInteger, toBoundedInteger )
|
||||
|
||||
-- text
|
||||
import Data.Text
|
||||
( Text )
|
||||
import qualified Data.Text as Text
|
||||
( all, any, breakOn, drop, dropWhile, dropWhileEnd
|
||||
, length, stripPrefix, unlines, unpack
|
||||
)
|
||||
|
||||
-- transformers
|
||||
import Control.Monad.Trans.State.Strict
|
||||
( StateT(..)
|
||||
, get, modify'
|
||||
)
|
||||
|
||||
-- unordered-containers
|
||||
import Data.HashMap.Strict
|
||||
( HashMap )
|
||||
import qualified Data.HashMap.Strict as HashMap
|
||||
( fromList, insert, lookup )
|
||||
|
||||
-- dear-imgui-generator
|
||||
import DearImGui.Generator.Tokeniser
|
||||
( Tok(..) )
|
||||
import DearImGui.Generator.Types
|
||||
( Comment(..), Enumeration(..), Headers(..) )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Parse error type.
|
||||
|
||||
data CustomParseError
|
||||
= Couldn'tLookupEnumValues
|
||||
{ enumName :: !Text
|
||||
, problems :: ![Text]
|
||||
}
|
||||
| MissingForwardDeclaration
|
||||
{ enumName :: !Text }
|
||||
| UnexpectedSection
|
||||
{ sectionName :: !Text
|
||||
, problem :: ![Text]
|
||||
}
|
||||
deriving stock ( Show, Eq, Ord )
|
||||
|
||||
instance ShowErrorComponent CustomParseError where
|
||||
showErrorComponent ( Couldn'tLookupEnumValues { enumName, problems } ) = Text.unpack $
|
||||
"Couldn't lookup the following values in enum " <> enumName <> ":\n"
|
||||
<> Text.unlines ( map ( " - " <> ) problems )
|
||||
showErrorComponent ( MissingForwardDeclaration { enumName } ) = Text.unpack $
|
||||
"Missing forward declaration for enum named " <> enumName
|
||||
showErrorComponent ( UnexpectedSection { sectionName, problem } ) = Text.unpack $
|
||||
"Unexpected section name.\n\
|
||||
\Expected: " <> sectionName <> "\n\
|
||||
\ Actual: " <> Text.unlines ( map ( " " <> ) problem )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Parsing headers.
|
||||
|
||||
headers :: MonadParsec CustomParseError [Tok] m => m Headers
|
||||
headers = do
|
||||
_ <- skipManyTill anySingle ( namedSection "Header mess" )
|
||||
_ <- skipManyTill anySingle ( namedSection "Forward declarations" )
|
||||
( _structNames, enumNamesAndTypes ) <- forwardDeclarations
|
||||
_ <- skipManyTill anySingle ( namedSection "Dear ImGui end-user API functions" )
|
||||
_ <- skipManyTill anySingle ( namedSection "Flags & Enumerations" )
|
||||
( _defines, enums ) <- partitionEithers <$>
|
||||
manyTill
|
||||
( ( Left <$> try ignoreDefine )
|
||||
<|> ( Right <$> enumeration enumNamesAndTypes )
|
||||
)
|
||||
( namedSection "Helpers: Memory allocations macros, ImVector<>" )
|
||||
_ <- skipManyTill anySingle ( namedSection "ImGuiStyle" )
|
||||
_ <- skipManyTill anySingle ( namedSection "ImGuiIO" )
|
||||
_ <- skipManyTill anySingle ( namedSection "Misc data structures" )
|
||||
_ <- skipManyTill anySingle ( namedSection "Obsolete functions" )
|
||||
_ <- skipManyTill anySingle ( namedSection "Helpers" )
|
||||
_ <- skipManyTill anySingle ( namedSection "Drawing API" )
|
||||
_ <- skipManyTill anySingle ( namedSection "Font API" )
|
||||
|
||||
pure ( Headers { enums } )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Parsing forward declarations.
|
||||
|
||||
forwardDeclarations
|
||||
:: MonadParsec CustomParseError [Tok] m
|
||||
=> m ( HashMap Text Comment, HashMap Text ( TH.Name, Comment ) )
|
||||
forwardDeclarations = do
|
||||
_ <- many comment
|
||||
structs <- many do
|
||||
keyword "struct"
|
||||
structName <- identifier
|
||||
reservedSymbol ';'
|
||||
doc <- comment
|
||||
pure ( structName, doc )
|
||||
_ <- many comment
|
||||
enums <- many do
|
||||
keyword "typedef"
|
||||
ty <- enumTypeName
|
||||
enumName <- identifier
|
||||
reservedSymbol ';'
|
||||
doc <- commentText <$> comment
|
||||
pure ( enumName, ( ty, CommentText <$> Text.drop 2 . snd $ Text.breakOn "//" doc ) )
|
||||
-- Stopping after simple structs and enums for now.
|
||||
pure ( HashMap.fromList structs, HashMap.fromList enums )
|
||||
|
||||
enumTypeName :: MonadParsec e [Tok] m => m TH.Name
|
||||
enumTypeName = keyword "int" $> ''CInt
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Parsing enumerations.
|
||||
|
||||
data EnumState = EnumState
|
||||
{ enumValues :: HashMap Text Integer
|
||||
, currEnumTag :: Integer
|
||||
, enumSize :: Integer
|
||||
, hasExplicitCount :: Bool
|
||||
}
|
||||
|
||||
enumeration :: MonadParsec CustomParseError [Tok] m => HashMap Text ( TH.Name, Comment ) -> m Enumeration
|
||||
enumeration enumNamesAndTypes = do
|
||||
inlineDocs <- many comment
|
||||
keyword "enum"
|
||||
fullEnumName <- identifier
|
||||
let
|
||||
enumName :: Text
|
||||
enumName = Text.dropWhileEnd ( == '_' ) fullEnumName
|
||||
( enumType, forwardDoc ) <- case HashMap.lookup enumName enumNamesAndTypes of
|
||||
Just res -> pure res
|
||||
Nothing -> customFailure ( MissingForwardDeclaration { enumName } )
|
||||
let
|
||||
docs :: [Comment]
|
||||
docs = forwardDoc : CommentText "" : inlineDocs
|
||||
reservedSymbol '{'
|
||||
( patterns, EnumState { enumSize, hasExplicitCount } ) <-
|
||||
( `runStateT` EnumState { enumValues = mempty, currEnumTag = 0, enumSize = 0, hasExplicitCount = False } ) $
|
||||
catMaybes
|
||||
<$> many
|
||||
( some ignoredPatternContent $> Nothing
|
||||
<|> enumerationPattern fullEnumName
|
||||
)
|
||||
reservedSymbol '}'
|
||||
reservedSymbol ';'
|
||||
pure ( Enumeration { .. } )
|
||||
|
||||
ignoredPatternContent :: MonadParsec e [Tok] m => m ()
|
||||
ignoredPatternContent = void ( try comment ) <|> cppConditional
|
||||
|
||||
enumerationPattern
|
||||
:: MonadParsec CustomParseError [ Tok ] m
|
||||
=> Text
|
||||
-> StateT EnumState m ( Maybe ( Text, Integer, Comment ) )
|
||||
enumerationPattern enumName = do
|
||||
mbPatNameVal <- patternNameAndValue enumName
|
||||
_ <- optional $ reservedSymbol ','
|
||||
comm <- fromMaybe ( CommentText "" ) <$> optional comment
|
||||
pure $
|
||||
case mbPatNameVal of
|
||||
Nothing -> Nothing
|
||||
Just ( patName, patValue ) -> Just ( patName, patValue, comm )
|
||||
|
||||
patternNameAndValue
|
||||
:: forall m
|
||||
. MonadParsec CustomParseError [ Tok ] m
|
||||
=> Text
|
||||
-> StateT EnumState m ( Maybe ( Text, Integer ) )
|
||||
patternNameAndValue enumName =
|
||||
try do
|
||||
sz <- count
|
||||
modify' ( ( \ st -> st { enumSize = sz, hasExplicitCount = True } ) :: EnumState -> EnumState )
|
||||
pure Nothing
|
||||
<|> do
|
||||
pat@( _, val ) <- value
|
||||
modify' ( \ st -> st { enumSize = ( enumSize :: EnumState -> Integer ) st + 1, currEnumTag = val + 1} )
|
||||
pure ( Just pat )
|
||||
where
|
||||
count :: StateT EnumState m Integer
|
||||
count = do
|
||||
_ <- single ( Identifier $ enumName <> "COUNT" )
|
||||
mbVal <- optional do
|
||||
_ <- reservedSymbol '='
|
||||
integerExpression
|
||||
case mbVal of
|
||||
Nothing -> currEnumTag <$> get
|
||||
Just ct -> pure ct
|
||||
value :: StateT EnumState m ( Text, Integer )
|
||||
value = do
|
||||
name <- identifier
|
||||
val <- patternRHS
|
||||
modify' ( \ st -> st { enumValues = HashMap.insert name val ( enumValues st ) } )
|
||||
pure ( name, val )
|
||||
patternRHS :: StateT EnumState m Integer
|
||||
patternRHS =
|
||||
( do
|
||||
reservedSymbol '='
|
||||
try integerExpression <|> try disjunction
|
||||
)
|
||||
<|> ( currEnumTag <$> get )
|
||||
|
||||
disjunction :: StateT EnumState m Integer
|
||||
disjunction = do
|
||||
( summands :: [Text] ) <- identifier `sepBy1` symbol "|"
|
||||
valsMap <- enumValues <$> get
|
||||
let
|
||||
res :: Either [ Text ] Integer
|
||||
res = foldr
|
||||
( \ summand errsOrVal -> case HashMap.lookup summand valsMap of
|
||||
Nothing -> case errsOrVal of { Right _ -> Left [ summand ]; Left errs -> Left ( summand : errs ) }
|
||||
Just v -> case errsOrVal of { Right v' -> Right ( v + v' ); Left errs -> Left errs }
|
||||
)
|
||||
( Right 0 )
|
||||
summands
|
||||
case res of
|
||||
Left problems -> customFailure ( Couldn'tLookupEnumValues { enumName, problems } )
|
||||
Right v -> pure v
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Simple token parsers.
|
||||
|
||||
comment :: MonadParsec e [ Tok ] m => m Comment
|
||||
comment = CommentText <$>
|
||||
token ( \ case { Comment comm -> Just comm; _ -> Nothing } ) mempty
|
||||
<?> "comment"
|
||||
|
||||
keyword :: MonadParsec e [ Tok ] m => Text -> m ()
|
||||
keyword kw = token ( \ case { Keyword kw' | kw == kw' -> Just (); _ -> Nothing } ) mempty
|
||||
<?> ( Text.unpack kw <> " (keyword)" )
|
||||
|
||||
identifier :: MonadParsec e [ Tok ] m => m Text
|
||||
identifier = token ( \ case { Identifier i -> Just i; _ -> Nothing } ) mempty
|
||||
<?> "identifier"
|
||||
|
||||
{-
|
||||
prefixedIdentifier :: MonadParsec e [ Tok ] m => Text -> m Text
|
||||
prefixedIdentifier prefix =
|
||||
token
|
||||
( \ case
|
||||
{ Identifier i -> Text.dropWhile ( == '_' ) <$> Text.stripPrefix prefix i
|
||||
; _ -> Nothing
|
||||
}
|
||||
) mempty
|
||||
-}
|
||||
|
||||
reservedSymbol :: MonadParsec e [ Tok ] m => Char -> m ()
|
||||
reservedSymbol s = token ( \ case { ReservedSymbol s' | s == s' -> Just (); _ -> Nothing } ) mempty
|
||||
<?> ( [s] <> " (reserved symbol)" )
|
||||
|
||||
symbol :: MonadParsec e [ Tok ] m => Text -> m ()
|
||||
symbol s = token ( \ case { Symbolic s' | s == s' -> Just (); _ -> Nothing } ) mempty
|
||||
<?> ( Text.unpack s <> " (symbol)" )
|
||||
|
||||
integerExpression :: MonadParsec e [ Tok ] m => m Integer
|
||||
integerExpression = try integerPower <|> integer
|
||||
|
||||
integerPower :: MonadParsec e [ Tok ] m => m Integer
|
||||
integerPower = do
|
||||
a <- integer
|
||||
_ <- symbol "<<"
|
||||
i <- integer
|
||||
pure ( a `shiftL` fromIntegral i )
|
||||
|
||||
integer :: forall e m. MonadParsec e [ Tok ] m => m Integer
|
||||
integer =
|
||||
option id mkSign <*>
|
||||
token
|
||||
( \ case {
|
||||
Number i suff
|
||||
| Just _ <- toBoundedInteger @Int64 i
|
||||
, Right i' <- floatingOrInteger @Float @Integer i
|
||||
, not ( Text.any ( (== 'f' ) . toLower ) suff )
|
||||
-> Just i';
|
||||
_ -> Nothing
|
||||
}
|
||||
)
|
||||
mempty
|
||||
<?> "integer"
|
||||
where
|
||||
mkSign :: m ( Integer -> Integer )
|
||||
mkSign = ( symbol "+" $> id ) <|> ( symbol "-" $> negate )
|
||||
|
||||
section :: MonadParsec e [ Tok ] m => m [Text]
|
||||
section =
|
||||
do
|
||||
sectionText <- try do
|
||||
separator
|
||||
token
|
||||
( \ case
|
||||
{ Comment txt -> fmap ( Text.dropWhile isSpace )
|
||||
. Text.stripPrefix "[SECTION]"
|
||||
. Text.dropWhile isSpace
|
||||
$ txt
|
||||
; _ -> Nothing
|
||||
}
|
||||
) mempty
|
||||
rest <- endOfSectionHeader
|
||||
pure ( sectionText : filter ( not . Text.all ( \ c -> c == '-' || isSpace c ) ) rest )
|
||||
<?> "section"
|
||||
|
||||
separator :: MonadParsec e [ Tok ] m => m ()
|
||||
separator = token
|
||||
( \ case
|
||||
{ Comment hyphens | Text.length hyphens > 10 && Text.all ( == '-') hyphens -> Just ()
|
||||
; _ -> Nothing
|
||||
}
|
||||
) mempty
|
||||
<?> "separator"
|
||||
|
||||
endOfSectionHeader :: MonadParsec e [ Tok ] m => m [Text]
|
||||
endOfSectionHeader = try ( (:) <$> ( commentText <$> comment ) <*> endOfSectionHeader )
|
||||
<|> ( separator $> [] )
|
||||
|
||||
namedSection :: MonadParsec CustomParseError [ Tok ] m => Text -> m ()
|
||||
namedSection sectionName =
|
||||
do
|
||||
sectionTexts <- section
|
||||
case sectionTexts of
|
||||
sectionText : _
|
||||
| Just _ <- Text.stripPrefix sectionName sectionText
|
||||
-> pure ()
|
||||
_ -> customFailure ( UnexpectedSection { sectionName, problem = sectionTexts } )
|
||||
<?> ( "section named " <> Text.unpack sectionName )
|
||||
|
||||
cppDirective :: MonadParsec e [Tok] m => ( Text -> Maybe a ) -> m a
|
||||
cppDirective f = token ( \case { BeginCPP a -> f a; _ -> Nothing } ) mempty
|
||||
|
||||
cppConditional :: MonadParsec e [Tok] m => m ()
|
||||
cppConditional = do
|
||||
void $ cppDirective ( \case { "ifdef" -> Just True; "ifndef" -> Just False; _ -> Nothing } )
|
||||
-- assumes no nesting
|
||||
void $ skipManyTill anySingle ( cppDirective ( \case { "endif" -> Just (); _ -> Nothing } ) )
|
||||
void $ skipManyTill anySingle ( single EndCPPLine )
|
||||
|
||||
ignoreDefine :: MonadParsec e [Tok] m => m ()
|
||||
ignoreDefine = do
|
||||
void $ many comment
|
||||
void $ cppDirective ( \case { "define" -> Just (); _ -> Nothing } )
|
||||
void $ skipManyTill anySingle ( single EndCPPLine )
|
||||
@ -1,197 +0,0 @@
|
||||
{-# LANGUAGE DerivingStrategies #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE FlexibleInstances #-}
|
||||
{-# LANGUAGE LambdaCase #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
{-# LANGUAGE ViewPatterns #-}
|
||||
|
||||
module DearImGui.Generator.Tokeniser where
|
||||
|
||||
-- base
|
||||
import Control.Arrow
|
||||
( first, second )
|
||||
import Control.Applicative
|
||||
( (<|>), some )
|
||||
import Data.Char
|
||||
( isAlpha, isAlphaNum, isDigit, isPunctuation, isSpace, isSymbol, toLower )
|
||||
import Data.Function
|
||||
( (&) )
|
||||
import Data.Functor
|
||||
( ($>) )
|
||||
import Data.Monoid
|
||||
( Sum(..) )
|
||||
|
||||
-- megaparsec
|
||||
import Text.Megaparsec
|
||||
( MonadParsec, VisualStream(..)
|
||||
, chunk, parseMaybe, satisfy, try
|
||||
)
|
||||
import Text.Megaparsec.Char.Lexer
|
||||
( hexadecimal, scientific )
|
||||
|
||||
-- parser-combinators
|
||||
import Control.Monad.Combinators
|
||||
( optional )
|
||||
|
||||
-- scientific
|
||||
import Data.Scientific
|
||||
( Scientific )
|
||||
|
||||
-- text
|
||||
import Data.Text
|
||||
( Text )
|
||||
import qualified Data.Text as Text
|
||||
( break, breakOn, cons, drop, dropWhile
|
||||
, head, last, length
|
||||
, pack, snoc, span, strip, tail, take
|
||||
, uncons, unpack
|
||||
)
|
||||
|
||||
-- unordered-containers
|
||||
import Data.HashSet
|
||||
( HashSet )
|
||||
import qualified Data.HashSet as HashSet
|
||||
( fromList, member )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
data TokeniserError
|
||||
= Couldn'tParseNumber { problem :: !Text }
|
||||
| UnhandledCase { unhandled :: !( Char, Text ) }
|
||||
deriving stock ( Eq, Ord, Show )
|
||||
|
||||
data Tok
|
||||
= Keyword !Text
|
||||
| ReservedSymbol !Char
|
||||
| Symbolic !Text
|
||||
| Identifier !Text
|
||||
| Comment !Text
|
||||
| Char !Char
|
||||
| String !Text
|
||||
| Number !Scientific !Text
|
||||
| BeginCPP !Text
|
||||
| EndCPPLine
|
||||
deriving stock ( Show, Eq, Ord )
|
||||
|
||||
showToken :: Tok -> String
|
||||
showToken = \case
|
||||
Keyword t -> Text.unpack t
|
||||
ReservedSymbol c -> [c]
|
||||
Symbolic t -> Text.unpack t
|
||||
Identifier t -> Text.unpack t
|
||||
Comment t -> Text.unpack t
|
||||
Char c -> [c]
|
||||
String t -> Text.unpack t
|
||||
Number s t -> show s <> Text.unpack t
|
||||
BeginCPP t -> "#" <> Text.unpack t
|
||||
EndCPPLine -> "EndCppLine"
|
||||
|
||||
tokenLength :: Tok -> Int
|
||||
tokenLength = \case
|
||||
Keyword t -> Text.length t
|
||||
ReservedSymbol _ -> 1
|
||||
Symbolic t -> Text.length t
|
||||
Identifier t -> Text.length t
|
||||
Comment t -> Text.length t
|
||||
Char _ -> 1
|
||||
String t -> Text.length t
|
||||
Number s t -> length ( show s ) + Text.length t
|
||||
BeginCPP t -> 1 + Text.length t
|
||||
EndCPPLine -> length ( "EndCPPLine" :: String )
|
||||
|
||||
instance VisualStream [Tok] where
|
||||
showTokens _ = foldMap showToken
|
||||
tokensLength _ = getSum . foldMap ( Sum . tokenLength )
|
||||
|
||||
keywords :: HashSet Text
|
||||
keywords = HashSet.fromList
|
||||
[ "auto", "break", "case", "char", "const", "continue", "default", "do", "double"
|
||||
, "else", "enum", "extern", "float", "for", "goto", "if", "inline", "int", "long"
|
||||
, "register", "restrict", "return", "short", "signed", "sizeof", "static", "struct"
|
||||
, "switch", "typedef", "union", "unsigned", "void", "volatile", "while"
|
||||
]
|
||||
|
||||
reservedSymbols :: HashSet Char
|
||||
reservedSymbols = HashSet.fromList [ '(', ')', '{', '}', ',', ';', '=', '#' ]
|
||||
|
||||
tokenise :: Text -> Either TokeniserError [ Tok ]
|
||||
tokenise ( Text.uncons -> Just ( c, cs ) )
|
||||
| isSpace c
|
||||
= tokenise ( Text.dropWhile isSpace cs )
|
||||
| isAlpha c || c == '_'
|
||||
, let
|
||||
this, rest :: Text
|
||||
( this, rest ) = first ( c `Text.cons` ) $ Text.span ( \ x -> isAlphaNum x || x == '_' ) cs
|
||||
= if this `HashSet.member` keywords
|
||||
then ( Keyword this : ) <$> tokenise rest
|
||||
else ( Identifier this : ) <$> tokenise rest
|
||||
| isDigit c
|
||||
, let
|
||||
this, rest :: Text
|
||||
( this, rest ) = continuePastExponent $ first ( c `Text.cons` ) $ Text.span ( \ x -> isAlphaNum x || x == '.' ) cs
|
||||
= case parseMaybe @() parseNumber this of
|
||||
Just numTok -> ( numTok : ) <$> tokenise rest
|
||||
Nothing -> Left ( Couldn'tParseNumber { problem = this } )
|
||||
| c == '\''
|
||||
, Just ( '\'', rest ) <- Text.uncons ( Text.drop 1 cs )
|
||||
= ( Char ( Text.head cs ) : ) <$> tokenise rest
|
||||
| c == '\"'
|
||||
, let
|
||||
this, rest :: Text
|
||||
( this, rest ) = second Text.tail $ Text.break ( == '"') cs
|
||||
= ( String this : ) <$> tokenise rest
|
||||
| c == '#'
|
||||
, let
|
||||
directive, line, rest :: Text
|
||||
( directive, ( line, rest ) )
|
||||
= cs
|
||||
& Text.break ( isSpace )
|
||||
& second ( Text.break ( `elem` [ '\n', '\r' ] ) )
|
||||
= do
|
||||
lineTokens <- tokenise line
|
||||
restTokens <- tokenise rest
|
||||
pure ( ( BeginCPP directive : lineTokens ) <> ( EndCPPLine : restTokens ) )
|
||||
| c `HashSet.member` reservedSymbols
|
||||
= ( ReservedSymbol c : ) <$> tokenise cs
|
||||
| c == '/'
|
||||
= case Text.take 1 cs of
|
||||
"/" ->
|
||||
let
|
||||
comm, rest :: Text
|
||||
( comm, rest ) = first Text.strip $ Text.break ( `elem` [ '\n', '\r' ] ) ( Text.drop 1 cs )
|
||||
in ( Comment comm : ) <$> tokenise rest
|
||||
"*" ->
|
||||
let
|
||||
comm, rest :: Text
|
||||
( comm, rest ) = Text.breakOn "*/" ( Text.drop 1 cs )
|
||||
in ( Comment comm : ) <$> tokenise rest
|
||||
_ ->
|
||||
let
|
||||
this, rest :: Text
|
||||
( this, rest ) = first ( c `Text.cons` ) $ Text.span ( \ x -> x /= '_' && ( isSymbol x || isPunctuation x ) ) cs
|
||||
in ( Symbolic this : ) <$> tokenise rest
|
||||
| isSymbol c || isPunctuation c
|
||||
, let
|
||||
this, rest :: Text
|
||||
( this, rest ) = first ( c `Text.cons` ) $ Text.span ( \ x -> x /= '_' && ( isSymbol x || isPunctuation x ) ) cs
|
||||
= ( Symbolic this : ) <$> tokenise rest
|
||||
| otherwise
|
||||
= Left $ UnhandledCase { unhandled = ( c, cs ) }
|
||||
tokenise _ = Right []
|
||||
|
||||
continuePastExponent :: ( Text, Text ) -> ( Text, Text )
|
||||
continuePastExponent ( this, rest )
|
||||
| toLower ( Text.last this ) `elem` [ 'e', 'p' ]
|
||||
, Just ( r, rs ) <- Text.uncons rest
|
||||
, r `elem` [ '+', '-' ]
|
||||
, ( this', rest' ) <- Text.span isAlphaNum rs
|
||||
= ( this `Text.snoc` r <> this', rest' )
|
||||
| otherwise
|
||||
= ( this, rest )
|
||||
|
||||
parseNumber :: MonadParsec e Text m => m Tok
|
||||
parseNumber = try ( chunk "0.f" $> Number 0 "f" ) <|> do
|
||||
value <- try ( chunk "0x" *> hexadecimal ) <|> scientific
|
||||
mbSuffix <- fmap ( maybe "" Text.pack ) . optional . some $ satisfy ( \ s -> toLower s `elem` ( "uflz" :: String ) )
|
||||
pure ( Number value mbSuffix )
|
||||
@ -1,42 +0,0 @@
|
||||
{-# LANGUAGE BangPatterns #-}
|
||||
{-# LANGUAGE DeriveLift #-}
|
||||
{-# LANGUAGE DerivingStrategies #-}
|
||||
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
|
||||
{-# LANGUAGE RecordWildCards #-}
|
||||
{-# LANGUAGE TemplateHaskellQuotes #-}
|
||||
|
||||
module DearImGui.Generator.Types where
|
||||
|
||||
-- template-haskell
|
||||
import qualified Language.Haskell.TH.Syntax as TH
|
||||
( Lift(..), Name(..) )
|
||||
|
||||
-- text
|
||||
import Data.Text
|
||||
( Text )
|
||||
|
||||
-- th-lift
|
||||
import Language.Haskell.TH.Lift
|
||||
() -- 'Lift' instance for Name
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
newtype Comment = CommentText { commentText :: Text }
|
||||
deriving stock ( Show, TH.Lift )
|
||||
deriving newtype ( Eq, Ord )
|
||||
|
||||
data Enumeration
|
||||
= Enumeration
|
||||
{ docs :: ![Comment]
|
||||
, enumName :: !Text
|
||||
, enumSize :: !Integer
|
||||
, enumType :: !TH.Name
|
||||
, hasExplicitCount :: !Bool
|
||||
, patterns :: [ ( Text, Integer, Comment ) ]
|
||||
}
|
||||
deriving stock ( Show, TH.Lift )
|
||||
|
||||
data Headers
|
||||
= Headers
|
||||
{ enums :: [ Enumeration ] }
|
||||
deriving stock ( Show, TH.Lift )
|
||||
@ -9,7 +9,7 @@ in
|
||||
# You might want some extra tools in the shell (optional).
|
||||
|
||||
# Some common tools can be added with the `tools` argument
|
||||
tools = { cabal = "3.2.0.0"; haskell-language-server = "latest"; };
|
||||
tools = { cabal = "3.2.0.0"; };
|
||||
|
||||
# Prevents cabal from choosing alternate plans, so that
|
||||
# *all* dependencies are provided by Nix.
|
||||
|
||||
838
src/DearImGui.hs
838
src/DearImGui.hs
File diff suppressed because it is too large
Load Diff
@ -1,39 +1,66 @@
|
||||
{-# language DerivingStrategies #-}
|
||||
{-# language DuplicateRecordFields #-}
|
||||
{-# language GeneralizedNewtypeDeriving #-}
|
||||
{-# language NamedFieldPuns #-}
|
||||
{-# language OverloadedStrings #-}
|
||||
{-# language PatternSynonyms #-}
|
||||
{-# language TemplateHaskell #-}
|
||||
|
||||
module DearImGui.Context where
|
||||
|
||||
-- containers
|
||||
import qualified Data.Map.Strict as Map
|
||||
|
||||
-- inline-c
|
||||
import Language.C.Inline.Context
|
||||
( Context(..) )
|
||||
import Language.C.Types
|
||||
( pattern TypeName )
|
||||
import Language.C.Inline.Context
|
||||
import qualified Data.Map.Strict as Map
|
||||
import Foreign
|
||||
|
||||
-- dear-imgui
|
||||
import DearImGui.Enums
|
||||
import DearImGui.Structs
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
data ImVec3 = ImVec3 { x, y, z :: {-# unpack #-} !Float }
|
||||
|
||||
|
||||
instance Storable ImVec3 where
|
||||
sizeOf ~ImVec3{x, y, z} = sizeOf x + sizeOf y + sizeOf z
|
||||
|
||||
alignment _ = 0
|
||||
|
||||
poke ptr ImVec3{ x, y, z } = do
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 0)) x
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 1)) y
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 2)) z
|
||||
|
||||
peek ptr = do
|
||||
x <- peek (castPtr ptr )
|
||||
y <- peek (castPtr ptr `plusPtr` (sizeOf x * 1))
|
||||
z <- peek (castPtr ptr `plusPtr` (sizeOf x * 2))
|
||||
return ImVec3{ x, y, z }
|
||||
|
||||
|
||||
data ImVec4 = ImVec4 { x, y, z, w :: {-# unpack #-} !Float }
|
||||
|
||||
|
||||
instance Storable ImVec4 where
|
||||
sizeOf ~ImVec4{x, y, z, w} = sizeOf x + sizeOf y + sizeOf z + sizeOf w
|
||||
|
||||
alignment _ = 0
|
||||
|
||||
poke ptr ImVec4{ x, y, z, w } = do
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 0)) x
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 1)) y
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 2)) z
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 3)) w
|
||||
|
||||
peek ptr = do
|
||||
x <- peek (castPtr ptr )
|
||||
y <- peek (castPtr ptr `plusPtr` (sizeOf x * 1))
|
||||
z <- peek (castPtr ptr `plusPtr` (sizeOf x * 2))
|
||||
w <- peek (castPtr ptr `plusPtr` (sizeOf x * 3))
|
||||
return ImVec4{ x, y, z, w }
|
||||
|
||||
|
||||
data ImGuiContext
|
||||
|
||||
|
||||
imguiContext :: Context
|
||||
imguiContext = mempty
|
||||
{ ctxTypesTable = Map.fromList
|
||||
[ ( TypeName "ImGuiCol" , [t| ImGuiCol |] )
|
||||
, ( TypeName "ImGuiCond", [t| ImGuiCond |] )
|
||||
, ( TypeName "ImGuiDir" , [t| ImGuiDir |] )
|
||||
, ( TypeName "ImGuiStyleVar" , [t| ImGuiStyleVar |] )
|
||||
, ( TypeName "ImGuiTabBarFlags" , [t| ImGuiTabBarFlags |] )
|
||||
, ( TypeName "ImGuiTabItemFlags", [t| ImGuiTabItemFlags |] )
|
||||
, ( TypeName "ImVec2", [t| ImVec2 |] )
|
||||
, ( TypeName "ImVec3", [t| ImVec3 |] )
|
||||
[ ( TypeName "ImVec3", [t| ImVec3 |] )
|
||||
, ( TypeName "ImVec4", [t| ImVec4 |] )
|
||||
, ( TypeName "ImGuiContext", [t| ImGuiContext |])
|
||||
]
|
||||
}
|
||||
|
||||
@ -1,34 +0,0 @@
|
||||
{-# LANGUAGE AllowAmbiguousTypes #-}
|
||||
{-# LANGUAGE DataKinds #-}
|
||||
{-# LANGUAGE DerivingStrategies #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
|
||||
{-# LANGUAGE MagicHash #-}
|
||||
{-# LANGUAGE PatternSynonyms #-}
|
||||
{-# LANGUAGE ScopedTypeVariables #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
{-# LANGUAGE TypeFamilies #-}
|
||||
|
||||
module DearImGui.Enums where
|
||||
|
||||
-- base
|
||||
import GHC.Exts
|
||||
( proxy# )
|
||||
import GHC.TypeNats
|
||||
( Nat, KnownNat, natVal' )
|
||||
import Numeric.Natural
|
||||
( Natural )
|
||||
|
||||
-- dear-imgui-generator
|
||||
import DearImGui.Generator
|
||||
( declareEnumerations )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
class KnownNat ( Count a ) => FiniteEnum a where
|
||||
type Count a :: Nat
|
||||
count :: Natural
|
||||
count = natVal' @( Count a ) proxy#
|
||||
|
||||
declareEnumerations ''FiniteEnum ''Count
|
||||
@ -1,51 +0,0 @@
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE PatternSynonyms #-}
|
||||
{-# LANGUAGE QuasiQuotes #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
|
||||
{-|
|
||||
Module: DearImGui.GLFW
|
||||
|
||||
GLFW specific functions backend for Dear ImGui.
|
||||
|
||||
Modules for initialising a backend with GLFW can be found under the corresponding backend,
|
||||
e.g. "DearImGui.GLFW.OpenGL".
|
||||
-}
|
||||
|
||||
module DearImGui.GLFW (
|
||||
-- ** GLFW
|
||||
glfwNewFrame
|
||||
, glfwShutdown
|
||||
)
|
||||
where
|
||||
|
||||
-- inline-c
|
||||
import qualified Language.C.Inline as C
|
||||
|
||||
-- inline-c-cpp
|
||||
import qualified Language.C.Inline.Cpp as Cpp
|
||||
|
||||
-- transformers
|
||||
import Control.Monad.IO.Class
|
||||
( MonadIO, liftIO )
|
||||
|
||||
|
||||
C.context (Cpp.cppCtx <> C.bsCtx)
|
||||
C.include "imgui.h"
|
||||
C.include "backends/imgui_impl_glfw.h"
|
||||
Cpp.using "namespace ImGui"
|
||||
|
||||
|
||||
-- | Wraps @ImGui_ImplGlfw_NewFrame@.
|
||||
glfwNewFrame :: MonadIO m => m ()
|
||||
glfwNewFrame = liftIO do
|
||||
[C.exp| void { ImGui_ImplGlfw_NewFrame(); } |]
|
||||
|
||||
|
||||
-- | Wraps @ImGui_ImplGlfw_Shutdown@.
|
||||
glfwShutdown :: MonadIO m => m ()
|
||||
glfwShutdown = liftIO do
|
||||
[C.exp| void { ImGui_ImplGlfw_Shutdown(); } |]
|
||||
@ -1,61 +0,0 @@
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE PatternSynonyms #-}
|
||||
{-# LANGUAGE QuasiQuotes #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
|
||||
{-|
|
||||
Module: DearImGUI.GLFW.OpenGL
|
||||
|
||||
Initialising the OpenGL backend for Dear ImGui using GLFW3.
|
||||
-}
|
||||
|
||||
module DearImGui.GLFW.OpenGL
|
||||
( glfwInitForOpenGL )
|
||||
where
|
||||
|
||||
-- base
|
||||
import Data.Bool
|
||||
( bool )
|
||||
import Foreign.C.Types
|
||||
( CBool )
|
||||
import Foreign.Ptr
|
||||
( Ptr )
|
||||
import Unsafe.Coerce
|
||||
( unsafeCoerce )
|
||||
|
||||
-- inline-c
|
||||
import qualified Language.C.Inline as C
|
||||
|
||||
-- inline-c-cpp
|
||||
import qualified Language.C.Inline.Cpp as Cpp
|
||||
|
||||
-- GLFW
|
||||
import Graphics.UI.GLFW
|
||||
( Window )
|
||||
|
||||
-- transformers
|
||||
import Control.Monad.IO.Class
|
||||
( MonadIO, liftIO )
|
||||
|
||||
|
||||
C.context (Cpp.cppCtx <> C.bsCtx)
|
||||
C.include "imgui.h"
|
||||
C.include "backends/imgui_impl_opengl2.h"
|
||||
C.include "backends/imgui_impl_glfw.h"
|
||||
C.include "GLFW/glfw3.h"
|
||||
Cpp.using "namespace ImGui"
|
||||
|
||||
|
||||
-- | Wraps @ImGui_ImplGlfw_InitForOpenGL@.
|
||||
glfwInitForOpenGL :: MonadIO m => Window -> Bool -> m Bool
|
||||
glfwInitForOpenGL window installCallbacks = liftIO do
|
||||
( 0 /= ) <$> [C.exp| bool { ImGui_ImplGlfw_InitForOpenGL((GLFWwindow*)$(void* windowPtr), $(bool cInstallCallbacks)) } |]
|
||||
where
|
||||
windowPtr :: Ptr ()
|
||||
windowPtr = unsafeCoerce window
|
||||
|
||||
cInstallCallbacks :: CBool
|
||||
cInstallCallbacks = bool 0 1 installCallbacks
|
||||
@ -1,60 +0,0 @@
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE PatternSynonyms #-}
|
||||
{-# LANGUAGE QuasiQuotes #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
|
||||
{-|
|
||||
Module: DearImGui.GLFW.Vulkan
|
||||
|
||||
Initialising the Vulkan backend for Dear ImGui using GLFW3.
|
||||
-}
|
||||
|
||||
module DearImGui.GLFW.Vulkan
|
||||
( glfwInitForVulkan )
|
||||
where
|
||||
|
||||
-- base
|
||||
import Data.Bool
|
||||
( bool )
|
||||
import Foreign.C.Types
|
||||
( CBool )
|
||||
import Foreign.Ptr
|
||||
( Ptr )
|
||||
import Unsafe.Coerce
|
||||
( unsafeCoerce )
|
||||
|
||||
-- inline-c
|
||||
import qualified Language.C.Inline as C
|
||||
|
||||
-- inline-c-cpp
|
||||
import qualified Language.C.Inline.Cpp as Cpp
|
||||
|
||||
-- GLFW
|
||||
import Graphics.UI.GLFW
|
||||
( Window )
|
||||
|
||||
-- transformers
|
||||
import Control.Monad.IO.Class ( MonadIO, liftIO )
|
||||
|
||||
|
||||
C.context Cpp.cppCtx
|
||||
C.include "imgui.h"
|
||||
C.include "backends/imgui_impl_vulkan.h"
|
||||
C.include "backends/imgui_impl_glfw.h"
|
||||
C.include "GLFW/glfw3.h"
|
||||
Cpp.using "namespace ImGui"
|
||||
|
||||
|
||||
-- | Wraps @ImGui_ImplGlfw_InitForVulkan@.
|
||||
glfwInitForVulkan :: MonadIO m => Window -> Bool -> m Bool
|
||||
glfwInitForVulkan window installCallbacks = liftIO do
|
||||
( 0 /= ) <$> [C.exp| bool { ImGui_ImplGlfw_InitForVulkan((GLFWwindow*)$(void* windowPtr), $(bool cInstallCallbacks)) } |]
|
||||
where
|
||||
windowPtr :: Ptr ()
|
||||
windowPtr = unsafeCoerce window
|
||||
|
||||
cInstallCallbacks :: CBool
|
||||
cInstallCallbacks = bool 0 1 installCallbacks
|
||||
@ -9,10 +9,10 @@
|
||||
{-|
|
||||
Module: DearImGui.OpenGL
|
||||
|
||||
OpenGL 2 backend for Dear ImGui.
|
||||
OpenGL backend for Dear ImGui.
|
||||
-}
|
||||
|
||||
module DearImGui.OpenGL2
|
||||
module DearImGui.OpenGL
|
||||
( openGL2Init
|
||||
, openGL2Shutdown
|
||||
, openGL2NewFrame
|
||||
@ -1,69 +0,0 @@
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE PatternSynonyms #-}
|
||||
{-# LANGUAGE QuasiQuotes #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
|
||||
{-|
|
||||
Module: DearImGui.OpenGL
|
||||
|
||||
OpenGL 3 backend for Dear ImGui.
|
||||
-}
|
||||
|
||||
module DearImGui.OpenGL3
|
||||
( openGL3Init
|
||||
, openGL3Shutdown
|
||||
, openGL3NewFrame
|
||||
, openGL3RenderDrawData
|
||||
)
|
||||
where
|
||||
|
||||
-- inline-c
|
||||
import qualified Language.C.Inline as C
|
||||
|
||||
-- inline-c-cpp
|
||||
import qualified Language.C.Inline.Cpp as Cpp
|
||||
|
||||
-- transformers
|
||||
import Control.Monad.IO.Class
|
||||
( MonadIO, liftIO )
|
||||
|
||||
-- DearImGui
|
||||
import DearImGui
|
||||
( DrawData(..) )
|
||||
|
||||
|
||||
C.context (Cpp.cppCtx <> C.bsCtx)
|
||||
C.include "imgui.h"
|
||||
C.include "GL/glew.h"
|
||||
C.include "backends/imgui_impl_opengl3.h"
|
||||
Cpp.using "namespace ImGui"
|
||||
|
||||
|
||||
-- | Wraps @ImGui_ImplOpenGL3_Init@.
|
||||
openGL3Init :: MonadIO m => m Bool
|
||||
openGL3Init = liftIO $
|
||||
( 0 /= ) <$> [C.block| bool {
|
||||
glewInit();
|
||||
return ImGui_ImplOpenGL3_Init();
|
||||
} |]
|
||||
|
||||
|
||||
-- | Wraps @ImGui_ImplOpenGL3_Shutdown@.
|
||||
openGL3Shutdown :: MonadIO m => m ()
|
||||
openGL3Shutdown = liftIO do
|
||||
[C.exp| void { ImGui_ImplOpenGL3_Shutdown(); } |]
|
||||
|
||||
|
||||
-- | Wraps @ImGui_ImplOpenGL3_NewFrame@.
|
||||
openGL3NewFrame :: MonadIO m => m ()
|
||||
openGL3NewFrame = liftIO do
|
||||
[C.exp| void { ImGui_ImplOpenGL3_NewFrame(); } |]
|
||||
|
||||
|
||||
-- | Wraps @ImGui_ImplOpenGL3_RenderDrawData@.
|
||||
openGL3RenderDrawData :: MonadIO m => DrawData -> m ()
|
||||
openGL3RenderDrawData (DrawData ptr) = liftIO do
|
||||
[C.exp| void { ImGui_ImplOpenGL3_RenderDrawData((ImDrawData*) $( void* ptr )) } |]
|
||||
@ -1,68 +0,0 @@
|
||||
{-# LANGUAGE DuplicateRecordFields #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
|
||||
module DearImGui.Structs where
|
||||
|
||||
-- base
|
||||
import Foreign
|
||||
( Storable(..), castPtr, plusPtr )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
data ImVec2 = ImVec2 { x, y :: {-# unpack #-} !Float }
|
||||
|
||||
|
||||
instance Storable ImVec2 where
|
||||
sizeOf ~ImVec2{x, y} = sizeOf x + sizeOf y
|
||||
|
||||
alignment _ = 0
|
||||
|
||||
poke ptr ImVec2{ x, y } = do
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 0)) x
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 1)) y
|
||||
|
||||
peek ptr = do
|
||||
x <- peek (castPtr ptr )
|
||||
y <- peek (castPtr ptr `plusPtr` (sizeOf x * 1))
|
||||
return ImVec2{ x, y }
|
||||
|
||||
|
||||
data ImVec3 = ImVec3 { x, y, z :: {-# unpack #-} !Float }
|
||||
|
||||
|
||||
instance Storable ImVec3 where
|
||||
sizeOf ~ImVec3{x, y, z} = sizeOf x + sizeOf y + sizeOf z
|
||||
|
||||
alignment _ = 0
|
||||
|
||||
poke ptr ImVec3{ x, y, z } = do
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 0)) x
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 1)) y
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 2)) z
|
||||
|
||||
peek ptr = do
|
||||
x <- peek (castPtr ptr )
|
||||
y <- peek (castPtr ptr `plusPtr` (sizeOf x * 1))
|
||||
z <- peek (castPtr ptr `plusPtr` (sizeOf x * 2))
|
||||
return ImVec3{ x, y, z }
|
||||
|
||||
|
||||
data ImVec4 = ImVec4 { x, y, z, w :: {-# unpack #-} !Float }
|
||||
|
||||
|
||||
instance Storable ImVec4 where
|
||||
sizeOf ~ImVec4{x, y, z, w} = sizeOf x + sizeOf y + sizeOf z + sizeOf w
|
||||
|
||||
alignment _ = 0
|
||||
|
||||
poke ptr ImVec4{ x, y, z, w } = do
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 0)) x
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 1)) y
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 2)) z
|
||||
poke (castPtr ptr `plusPtr` (sizeOf x * 3)) w
|
||||
|
||||
peek ptr = do
|
||||
x <- peek (castPtr ptr )
|
||||
y <- peek (castPtr ptr `plusPtr` (sizeOf x * 1))
|
||||
z <- peek (castPtr ptr `plusPtr` (sizeOf x * 2))
|
||||
w <- peek (castPtr ptr `plusPtr` (sizeOf x * 3))
|
||||
return ImVec4{ x, y, z, w }
|
||||
Reference in New Issue
Block a user