Link against system-cxx-std-lib for GHC 9.4+ (#197)

* Link against system-cxx-std-lib for GHC 9.4+

* Drop OS checks for linking with stdc++ when GHC < 9.4

.github/workflows/build.yaml

@@ -4,19 +4,19 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.4.0
       with:
           persist-credentials: false
           submodules: true
 
-    - uses: cachix/install-nix-action@v16
+    - uses: cachix/install-nix-action@v20
       with:
         nix_path: nixpkgs=channel:nixos-unstable
 
-    - uses: cachix/cachix-action@v10
+    - uses: cachix/cachix-action@v12
       with:
         name: hs-dear-imgui
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
 
-    - run: nix-build --version      
+    - run: nix-build --version
     - run: nix-build -A hsPkgs.dear-imgui.components.exes

ChangeLog.md

@@ -1,5 +1,58 @@
 # Changelog for dear-imgui
 
+## [2.2.0]
+
+- `imgui` updated to [1.89.9].
+- Update bounds for ghc-9.6.
+- Exposed `DearImGui.Raw.Context`.
+- Added `getCursorPos``.
+- Fix TabItem flags type.
+
+## [2.1.3]
+
+- Fixed off-by-1 in internal Text wrapper.
+- Fixed sliderFloat* Raw calls
+- Added `formatPtr` to Raw.dragFloat* and Raw.sliderFloat*
+
+## [2.1.2]
+
+- Fixed glfw example build flags.
+- Added `plotLines`.
+- Added `setNextItemOpen`.
+
+## [2.1.1]
+
+- Build flag fix for MacOS.
+
+## [2.1.0]
+
+- `imgui` updated to [1.88].
+    * Breaking: `ImGuiKeyModFlags` renamed to `ImGuiModFlags`.
+
+## [2.0.0]
+
+- `String` arguments replaced with `Text`.
+  * Upgrading to `text-2` recommended to reap the UTF-8 benefits.
+
+## [1.5.0]
+
+- Added table wrappers.
+- Added popup wrappers.
+- Added `selectableWith`/`SelectableOptions` to expose optional arguments.
+- Fix GHC-9.2 compatibility.
+
+## [1.4.0]
+
+- `imgui` updated to [1.87].
+- Added `DearImGui.Vulkan.vulkanAddTexture`.
+- Added `DearImGui.GLFW.glfwCursorPosCallback`.
+  * Apps that don't install backend callbacks, *must* call it themselves.
+- Added flags `use-wchar32` (default on) and `disable-obsolete` (default off).
+
+## [1.3.1]
+
+- `imgui` updated to [1.86].
+
 ## [1.3.0]
 
 - Added `DearImGui.FontAtlas` and related `DearImGui.Raw.Font.*` bits.
@@ -7,7 +60,7 @@
 
 ## [1.2.2]
 
-- `imgui` updated to 1.85.
+- `imgui` updated to [1.85].
 
 ## [1.2.1]
 
@@ -29,7 +82,7 @@
 
 ## [1.1.0]
 
-- `imgui` updated to 1.84.2.
+- `imgui` updated to [1.84.2].
 - Removed unused Window argument from SDL `newFrame` to match 1.84.
 - Added GLFW backend callbacks.
 - Added more withXXX wrappers.
@@ -44,7 +97,7 @@
 
 ## [1.0.0]
 
-Initial Hackage release based on 1.83.
+Initial Hackage release based on [1.83].
 
 [1.0.0]: https://github.com/haskell-game/dear-imgui.hs/tree/v1.0.0
 [1.0.1]: https://github.com/haskell-game/dear-imgui.hs/tree/v1.0.1
@@ -54,3 +107,19 @@ Initial Hackage release based on 1.83.
 [1.2.1]: https://github.com/haskell-game/dear-imgui.hs/tree/v1.2.1
 [1.2.2]: https://github.com/haskell-game/dear-imgui.hs/tree/v1.2.2
 [1.3.0]: https://github.com/haskell-game/dear-imgui.hs/tree/v1.3.0
+[1.3.1]: https://github.com/haskell-game/dear-imgui.hs/tree/v1.3.1
+[1.4.0]: https://github.com/haskell-game/dear-imgui.hs/tree/v1.4.0
+[1.5.0]: https://github.com/haskell-game/dear-imgui.hs/tree/v1.5.0
+[2.0.0]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.0.0
+[2.1.0]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.1.0
+[2.1.1]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.1.1
+[2.1.2]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.1.2
+[2.1.3]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.1.3
+[2.2.0]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.2.0
+
+[1.89.9]: https://github.com/ocornut/imgui/releases/tag/v1.89.9
+[1.87]: https://github.com/ocornut/imgui/releases/tag/v1.87
+[1.86]: https://github.com/ocornut/imgui/releases/tag/v1.86
+[1.85]: https://github.com/ocornut/imgui/releases/tag/v1.85
+[1.84.2]: https://github.com/ocornut/imgui/releases/tag/v1.84.2
+[1.83]: https://github.com/ocornut/imgui/releases/tag/v1.83

Main.hs

@@ -10,6 +10,7 @@ import Data.IORef
 import qualified Data.Vector as Vector
 import DearImGui
 import DearImGui.OpenGL3
+import DearImGui.Internal.Text (pack)
 import DearImGui.SDL
 import DearImGui.SDL.OpenGL
 import Control.Exception
@@ -78,10 +79,10 @@ loop window checked color slider r pos size' selected tab1Ref tab2Ref = do
   text "Hello!"
 
   beginTabBar "My tab bar" ImGuiTabBarFlags_Reorderable >>= whenTrue do
-    beginTabItem "Tab 1" tab1Ref ImGuiTabBarFlags_None >>= whenTrue do
+    beginTabItem "Tab 1" tab1Ref ImGuiTabItemFlags_None >>= whenTrue do
       text "Tab 1 is currently selected."
       endTabItem
-    beginTabItem "Tab 2" tab2Ref ImGuiTabBarFlags_None >>= whenTrue do
+    beginTabItem "Tab 2" tab2Ref ImGuiTabItemFlags_None >>= whenTrue do
       text "Tab 2 is selected now."
       endTabItem
     reOpen <- tabItemButton "ReopenTabs" ImGuiTabItemFlags_Trailing
@@ -134,18 +135,18 @@ loop window checked color slider r pos size' selected tab1Ref tab2Ref = do
 
   text "ListClipper"
   withChildOpen "##fixed" (ImVec2 0 200) True ImGuiWindowFlags_None do
-    let lotsOfItems = Vector.generate 50 (mappend "Item " . show)
+    let lotsOfItems = Vector.generate 50 (pack . mappend "Item " . show)
     withListClipper Nothing lotsOfItems text
 
   text "ListClipper, Haskell-powered"
   withChildOpen "##infinite" (ImVec2 0 200) True ImGuiWindowFlags_None do
-    let infiniteItems = map (mappend "Item " . show) [0 :: Int ..]
+    let infiniteItems = map (pack . mappend "Item " . show) [0 :: Int ..]
     withListClipper Nothing infiniteItems text
 
   text "Ethereal ListClipper"
   withChildOpen "##ethereal" (ImVec2 0 200) True ImGuiWindowFlags_None do
     withListClipper Nothing (ClipRange (0 :: Int) 1000) $
-      text . mappend "Item " . show
+      text . pack . mappend "Item " . show
 
   plotHistogram "A histogram" [ 10, 10, 20, 30, 90 ]
 

README.md

@@ -31,29 +31,30 @@ package dear-imgui
 With this done, the following module is the "Hello, World!" of ImGui:
 
 ``` haskell
-{-# language BlockArguments #-}
-{-# language LambdaCase #-}
 {-# language OverloadedStrings #-}
 
 module Main ( main ) where
 
-import Control.Exception
-import Control.Monad.IO.Class
-import Control.Monad.Managed
 import DearImGui
-import DearImGui.OpenGL2
+import DearImGui.OpenGL3
 import DearImGui.SDL
 import DearImGui.SDL.OpenGL
+
 import Graphics.GL
 import SDL
 
+import Control.Monad.Managed
+import Control.Monad.IO.Class ()
+import Control.Monad (when, unless)
+import Control.Exception (bracket, bracket_)
+
 main :: IO ()
 main = do
   -- Initialize SDL
   initializeAll
 
-  runManaged do
+  runManaged $ do
-    -- Create a window using SDL. As we're using OpenGL, we need to enable OpenGL too.
+    -- Create a window using SDL; as we're using OpenGL, we enable OpenGL too
     window <- do
       let title = "Hello, Dear ImGui!"
       let config = defaultWindow { windowGraphicsContext = OpenGLContext defaultOpenGL }
@@ -61,64 +62,59 @@ main = do
 
     -- Create an OpenGL context
     glContext <- managed $ bracket (glCreateContext window) glDeleteContext
-
     -- Create an ImGui context
     _ <- managed $ bracket createContext destroyContext
 
     -- Initialize ImGui's SDL2 backend
-    _ <- managed_ $ bracket_ (sdl2InitForOpenGL window glContext) sdl2Shutdown
+    managed_ $ bracket_ (sdl2InitForOpenGL window glContext) sdl2Shutdown
-
     -- Initialize ImGui's OpenGL backend
-    _ <- managed_ $ bracket_ openGL2Init openGL2Shutdown
+    managed_ $ bracket_ openGL3Init openGL3Shutdown
 
     liftIO $ mainLoop window
 
-
 mainLoop :: Window -> IO ()
-mainLoop window = unlessQuit do
+mainLoop window = unlessQuit $ do
   -- Tell ImGui we're starting a new frame
-  openGL2NewFrame
+  openGL3NewFrame
   sdl2NewFrame
   newFrame
 
   -- Build the GUI
-  withWindowOpen "Hello, ImGui!" do
+  withWindowOpen "Hello, ImGui!" $ do
     -- Add a text widget
     text "Hello, ImGui!"
 
     -- Add a button widget, and call 'putStrLn' when it's clicked
-    button "Clickety Click" >>= \case
+    button "Clickety Click" >>= \clicked ->
-      False -> return ()
+      when clicked $ putStrLn "Ow!"
-      True  -> putStrLn "Ow!"
 
   -- Show the ImGui demo window
   showDemoWindow
 
   -- Render
   glClear GL_COLOR_BUFFER_BIT
-
   render
-  openGL2RenderDrawData =<< getDrawData
+  openGL3RenderDrawData =<< getDrawData
 
   glSwapWindow window
-
   mainLoop window
-
   where
-    -- Process the event loop
+  -- Process the event loop
-    unlessQuit action = do
+  unlessQuit action = do
-      shouldQuit <- checkEvents
+    shouldQuit <- gotQuitEvent
-      if shouldQuit then pure () else action
+    unless shouldQuit action
 
-    checkEvents = do
+  gotQuitEvent = do
-      pollEventWithImGui >>= \case
+    ev <- pollEventWithImGui
-        Nothing ->
-          return False
-        Just event ->
-          (isQuit event ||) <$> checkEvents
 
-    isQuit event =
+    case ev of
-      SDL.eventPayload event == SDL.QuitEvent
+      Nothing ->
+        return False
+      Just event ->
+        (isQuit event ||) <$> gotQuitEvent
+
+  isQuit event =
+    eventPayload event == QuitEvent
 ```
 
 # Hacking

cabal.project

@@ -1,4 +1,4 @@
 packages: *.cabal
 package dear-imgui
-  flags: +sdl2 +glfw +opengl2 +opengl3 +vulkan +examples
+  flags: +sdl +glfw +opengl2 +opengl3 +vulkan +examples
   ghc-options: -Wall -Wcompat -fno-warn-unused-do-bind

dear-imgui.cabal

@@ -1,7 +1,7 @@
 cabal-version: 3.0
 
 name: dear-imgui
-version: 1.3.0
+version: 2.2.0
 author: Oliver Charles
 maintainer: ollie@ocharles.org.uk, aenor.realm@gmail.com
 license: BSD-3-Clause
@@ -24,7 +24,7 @@ extra-source-files:
   imgui/imconfig.h,
   imgui/LICENSE.txt
 
-common build-flags
+common exe-flags
   if flag(debug)
     if os(linux)
       ghc-options: -Wall -g -rtsopts -dcore-lint -debug
@@ -50,7 +50,6 @@ common build-flags
       ghc-options: -Wall -O2
       cc-options: -O2
 
-
 source-repository head
   type: git
   location: https://github.com/haskell-game/dear-imgui.hs
@@ -95,6 +94,15 @@ flag sdl
   manual:
     True
 
+flag sdl-renderer
+  description:
+    Enable SDL Renderer backend (requires the SDL_RenderGeometry function available in SDL 2.0.18+).
+    The sdl configuration flag must also be enabled when using this flag.
+  default:
+    False
+  manual:
+    True
+
 flag glfw
   description:
     Enable GLFW backend.
@@ -111,10 +119,37 @@ flag examples
   manual:
     True
 
+flag disable-obsolete
+  description:
+    Don't define obsolete functions/enums/behaviors. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names.
+  default:
+    False
+  manual:
+    True
+
+flag use-wchar32
+  description:
+    Use 32-bit for ImWchar (default is 16-bit) to support unicode planes 1-16. (e.g. point beyond 0xFFFF like emoticons, dingbats, symbols, shapes, ancient languages, etc...)
+  default:
+    True
+  manual:
+    True
+
+flag use-ImDrawIdx32
+  description:
+    Use 32-bit vertex indices (default is 16-bit) is one way to allow large meshes with more than 64K vertices.
+    Your renderer backend will need to support it (most example renderer backends support both 16/32-bit indices).
+    Another way to allow large meshes while keeping 16-bit indices is to handle ImDrawCmd::VtxOffset in your renderer.
+    Read about ImGuiBackendFlags_RendererHasVtxOffset for details.
+  default:
+    True
+  manual:
+    True
+
 common common
   build-depends:
       base
-        >= 4.12 && < 4.17
+        >= 4.12 && < 4.19
   default-language:
       Haskell2010
 
@@ -125,15 +160,16 @@ library
   exposed-modules:
     DearImGui
     DearImGui.FontAtlas
+    DearImGui.Internal.Text
     DearImGui.Raw
     DearImGui.Raw.DrawList
     DearImGui.Raw.Font
     DearImGui.Raw.Font.Config
     DearImGui.Raw.Font.GlyphRanges
-    DearImGui.Raw.ListClipper
     DearImGui.Raw.IO
+    DearImGui.Raw.ListClipper
+    DearImGui.Raw.Context
   other-modules:
-    DearImGui.Context
     DearImGui.Enums
     DearImGui.Structs
   cxx-options: -std=c++11
@@ -143,8 +179,10 @@ library
     imgui/imgui_draw.cpp
     imgui/imgui_tables.cpp
     imgui/imgui_widgets.cpp
-  extra-libraries:
+  if impl(ghc >= 9.4)
-    stdc++
+    build-depends: system-cxx-std-lib
+  else
+    extra-libraries: stdc++
   include-dirs:
     imgui
   build-depends:
@@ -156,6 +194,22 @@ library
     , StateVar
     , unliftio
     , vector
+    , text
+
+  if os(darwin)
+    ghc-options:
+      -optcxx-std=c++11
+
+  if flag(disable-obsolete)
+    cxx-options: -DIMGUI_DISABLE_OBSOLETE_FUNCTIONS
+
+  if flag(use-wchar32)
+    cxx-options: -DIMGUI_USE_WCHAR32
+    cpp-options: -DIMGUI_USE_WCHAR32
+
+  if flag(use-ImDrawIdx32)
+    cxx-options: "-DImDrawIdx=unsigned int"
+    cpp-options: "-DImDrawIdx=unsigned int"
 
   if flag(opengl2)
     exposed-modules:
@@ -200,7 +254,7 @@ library
     build-depends:
       sdl2
     cxx-sources:
-      imgui/backends/imgui_impl_sdl.cpp
+      imgui/backends/imgui_impl_sdl2.cpp
 
     if os(windows) || os(darwin)
       extra-libraries:
@@ -217,6 +271,12 @@ library
       exposed-modules:
         DearImGui.SDL.Vulkan
 
+    if flag(sdl-renderer)
+      exposed-modules:
+        DearImGui.SDL.Renderer
+      cxx-sources:
+        imgui/backends/imgui_impl_sdlrenderer2.cpp
+
   if flag(glfw)
     exposed-modules:
       DearImGui.GLFW
@@ -248,7 +308,7 @@ library dear-imgui-generator
     , DearImGui.Generator.Types
   build-depends:
       template-haskell
-        >= 2.15 && < 2.19
+        >= 2.15 && < 2.21
     , containers
        ^>= 0.6.2.1
     , directory
@@ -258,22 +318,22 @@ library dear-imgui-generator
     , inline-c
         >= 0.9.0.0 && < 0.10
     , megaparsec
-        >= 9.0 && < 9.3
+        >= 9.0 && < 9.4
     , parser-combinators
         >= 1.2.0 && < 1.4
     , scientific
         >= 0.3.6.2 && < 0.3.8
     , text
-        >= 1.2.4 && < 1.3
+        >= 1.2.4 && < 2.1
     , th-lift
         >= 0.7 && < 0.9
     , transformers
-        >= 0.5.6 && < 0.6
+        >= 0.5.6 && < 0.7
     , unordered-containers
         >= 0.2.11 && < 0.3
 
 executable test
-  import: common, build-flags
+  import: common, exe-flags
   main-is: Main.hs
   default-language: Haskell2010
   if (!flag(examples) || !flag(sdl) || !flag(opengl2))
@@ -282,17 +342,17 @@ executable test
     build-depends: base, sdl2, gl, dear-imgui, vector
 
 executable glfw
-  import: common, build-flags
+  import: common, exe-flags
   main-is: Main.hs
   hs-source-dirs: examples/glfw
   default-language: Haskell2010
   if (!flag(examples) || !flag(glfw) || !flag(opengl2))
     buildable: False
   else
-    build-depends: base, GLFW-b, gl, dear-imgui, managed
+    build-depends: base, GLFW-b, gl, dear-imgui, managed, text
 
 executable readme
-  import: common, build-flags
+  import: common, exe-flags
   main-is: Readme.hs
   hs-source-dirs: examples
   build-depends: sdl2, gl, dear-imgui, managed
@@ -300,7 +360,7 @@ executable readme
     buildable: False
 
 executable fonts
-  import: common, build-flags
+  import: common, exe-flags
   main-is: Main.hs
   hs-source-dirs: examples/fonts
   build-depends: sdl2, gl, dear-imgui, managed
@@ -308,15 +368,23 @@ executable fonts
     buildable: False
 
 executable image
-  import: common, build-flags
+  import: common, exe-flags
   main-is: Image.hs
   hs-source-dirs: examples/sdl
   build-depends: sdl2, gl, dear-imgui, managed, vector
-  if (!flag(examples) || !flag(sdl) || !flag(opengl2))
+  if (!flag(examples) || !flag(sdl) || !flag(opengl3))
+    buildable: False
+
+executable sdlrenderer
+  import: common, exe-flags
+  main-is: Renderer.hs
+  hs-source-dirs: examples/sdl
+  build-depends: sdl2, dear-imgui, managed, text
+  if (!flag(examples) || !flag(sdl) || !flag(sdl-renderer))
     buildable: False
 
 executable vulkan
-  import: common, build-flags
+  import: common, exe-flags
   main-is: Main.hs
   other-modules: Attachments, Backend, Input, Util
   hs-source-dirs: examples/vulkan
@@ -327,26 +395,29 @@ executable vulkan
     build-depends:
         dear-imgui
       , bytestring
-          >= 0.10.10.0 && < 0.12
+          >= 0.10.10.0 && < 0.13
       , containers
-         ^>= 0.6.2.1
+          >= 0.6.2.1 && < 0.7
       , logging-effect
-         ^>= 1.3.12
+          >= 1.3.12 && < 1.5
       , resourcet
-         ^>= 1.2.4.2
+          >= 1.2.4.2 && < 1.3
       , sdl2
-         ^>= 2.5.3.0
+          >= 2.5.3.0 && < 2.6
-      , text-short
+      , text
-         ^>= 0.1.3
+          >= 1.2.4 && < 2.1
       , transformers
-         ^>= 0.5.6.2
+          >= 0.5.6 && < 0.7
       , unliftio
-          >= 0.2.13 && < 0.2.19
+          >= 0.2.13 && < 0.3
       , unliftio-core
-         ^>= 0.2.0.1
+          >= 0.2.0.1 && < 0.3
       , vector
-         ^>= 0.12.1.2
+         >= 0.12.1.2 && < 0.14
       , vulkan
-         ^>= 3.9
+         >= 3.12
       , vulkan-utils
-         ^>= 0.4.1
+         >= 0.5
+      , VulkanMemoryAllocator
+         >= 0.7.1
+      , JuicyPixels

examples/Readme.hs

@@ -1,29 +1,30 @@
 -- NOTE: If this is file is edited, please also copy and paste it into
 -- README.md.
 
-{-# language BlockArguments #-}
-{-# language LambdaCase #-}
 {-# language OverloadedStrings #-}
 
 module Main ( main ) where
 
-import Control.Exception
-import Control.Monad.IO.Class
-import Control.Monad.Managed
 import DearImGui
-import DearImGui.OpenGL2
+import DearImGui.OpenGL3
 import DearImGui.SDL
 import DearImGui.SDL.OpenGL
+
 import Graphics.GL
 import SDL
 
+import Control.Monad.Managed
+import Control.Monad.IO.Class ()
+import Control.Monad (when, unless)
+import Control.Exception (bracket, bracket_)
+
 main :: IO ()
 main = do
   -- Initialize SDL
   initializeAll
 
-  runManaged do
+  runManaged $ do
-    -- Create a window using SDL. As we're using OpenGL, we need to enable OpenGL too.
+    -- Create a window using SDL; as we're using OpenGL, we enable OpenGL too
     window <- do
       let title = "Hello, Dear ImGui!"
       let config = defaultWindow { windowGraphicsContext = OpenGLContext defaultOpenGL }
@@ -31,61 +32,56 @@ main = do
 
     -- Create an OpenGL context
     glContext <- managed $ bracket (glCreateContext window) glDeleteContext
-
     -- Create an ImGui context
     _ <- managed $ bracket createContext destroyContext
 
     -- Initialize ImGui's SDL2 backend
-    _ <- managed_ $ bracket_ (sdl2InitForOpenGL window glContext) sdl2Shutdown
+    managed_ $ bracket_ (sdl2InitForOpenGL window glContext) sdl2Shutdown
-
     -- Initialize ImGui's OpenGL backend
-    _ <- managed_ $ bracket_ openGL2Init openGL2Shutdown
+    managed_ $ bracket_ openGL3Init openGL3Shutdown
 
     liftIO $ mainLoop window
 
-
 mainLoop :: Window -> IO ()
-mainLoop window = unlessQuit do
+mainLoop window = unlessQuit $ do
   -- Tell ImGui we're starting a new frame
-  openGL2NewFrame
+  openGL3NewFrame
   sdl2NewFrame
   newFrame
 
   -- Build the GUI
-  withWindowOpen "Hello, ImGui!" do
+  withWindowOpen "Hello, ImGui!" $ do
     -- Add a text widget
     text "Hello, ImGui!"
 
     -- Add a button widget, and call 'putStrLn' when it's clicked
-    button "Clickety Click" >>= \case
+    button "Clickety Click" >>= \clicked ->
-      False -> return ()
+      when clicked $ putStrLn "Ow!"
-      True  -> putStrLn "Ow!"
 
   -- Show the ImGui demo window
   showDemoWindow
 
   -- Render
   glClear GL_COLOR_BUFFER_BIT
-
   render
-  openGL2RenderDrawData =<< getDrawData
+  openGL3RenderDrawData =<< getDrawData
 
   glSwapWindow window
-
   mainLoop window
-
   where
-    -- Process the event loop
+  -- Process the event loop
-    unlessQuit action = do
+  unlessQuit action = do
-      shouldQuit <- checkEvents
+    shouldQuit <- gotQuitEvent
-      if shouldQuit then pure () else action
+    unless shouldQuit action
 
-    checkEvents = do
+  gotQuitEvent = do
-      pollEventWithImGui >>= \case
+    ev <- pollEventWithImGui
-        Nothing ->
-          return False
-        Just event ->
-          (isQuit event ||) <$> checkEvents
 
-    isQuit event =
+    case ev of
-      SDL.eventPayload event == SDL.QuitEvent
+      Nothing ->
+        return False
+      Just event ->
+        (isQuit event ||) <$> gotQuitEvent
+
+  isQuit event =
+    eventPayload event == QuitEvent

examples/glfw/Main.hs

@@ -1,6 +1,7 @@
 {-# language BlockArguments #-}
 {-# language LambdaCase #-}
 {-# language OverloadedStrings #-}
+{-# language RecordWildCards #-}
 
 module Main ( main ) where
 
@@ -8,6 +9,12 @@ import Control.Exception
 import Control.Monad
 import Control.Monad.IO.Class
 import Control.Monad.Managed
+import Data.Bits ((.|.))
+import Data.IORef
+import Data.List (sortBy)
+import Data.Foldable (traverse_)
+import Data.Text (Text, pack)
+
 import DearImGui
 import DearImGui.OpenGL2
 import DearImGui.GLFW
@@ -40,14 +47,23 @@ main = do
         -- Initialize ImGui's OpenGL backend
         _ <- managed_ $ bracket_ openGL2Init openGL2Shutdown
 
-        liftIO $ mainLoop win
+        tableRef <- liftIO $ newIORef
+          [ (1,  "foo")
+          , (2,  "bar")
+          , (3,  "baz")
+          , (10, "spam")
+          , (11, "spam")
+          , (12, "spam")
+          ]
+
+        liftIO $ mainLoop win tableRef
       Nothing -> do
         error "GLFW createWindow failed"
 
   GLFW.terminate
 
-mainLoop :: Window -> IO ()
+mainLoop :: Window -> IORef [(Integer, Text)] -> IO ()
-mainLoop win = do
+mainLoop win tableRef = do
   -- Process the event loop
   GLFW.pollEvents
   close <- GLFW.windowShouldClose win
@@ -64,12 +80,18 @@ mainLoop win = do
       text "Hello, ImGui!"
 
       -- Add a button widget, and call 'putStrLn' when it's clicked
-      button "Clickety Click" >>= \case
+      clicking <- button "Clickety Click"
-        False -> return ()
+      when clicking $
-        True  -> putStrLn "Ow!"
+        putStrLn "Ow!"
+      itemContextPopup do
+        text "pop!"
+        button "ok" >>= \clicked ->
+          when clicked $
+            closeCurrentPopup
 
-    -- Show the ImGui demo window
+      newLine
-    showDemoWindow
+
+      mkTable tableRef
 
     -- Render
     glClear GL_COLOR_BUFFER_BIT
@@ -79,4 +101,41 @@ mainLoop win = do
 
     GLFW.swapBuffers win
 
-    mainLoop win
+    mainLoop win tableRef
+
+mkTable :: IORef [(Integer, Text)] -> IO ()
+mkTable tableRef =
+  withTableOpen sortable "MyTable" 3 $ do
+    tableSetupColumn "Hello"
+    tableSetupColumnWith defTableColumnOptions "World"
+
+    withSortableTable \isDirty sortSpecs ->
+      when (isDirty && not (null sortSpecs)) do
+        -- XXX: do your sorting & cache it. Dont sort every frame.
+        putStrLn "So dirty!"
+        print sortSpecs
+        modifyIORef' tableRef . sortBy $
+          foldMap mkCompare sortSpecs
+
+    tableHeadersRow
+    readIORef tableRef >>=
+      traverse_ \(ix, title) -> do
+        tableNextRow
+        tableNextColumn $ text (pack $ show ix)
+        tableNextColumn $ text title
+        tableNextColumn $ void (button "♥")
+  where
+    mkCompare TableSortingSpecs{..} a b =
+      let
+        dir = if tableSortingReverse then flip else id
+      in
+        case tableSortingColumn of
+          0 -> dir compare (fst a) (fst b)
+          1 -> dir compare (snd a) (snd b)
+          _ -> EQ
+
+    sortable = defTableOptions
+      { tableFlags =
+          ImGuiTableFlags_Sortable .|.
+          ImGuiTableFlags_SortMulti
+      }

examples/sdl/Renderer.hs

@@ -0,0 +1,146 @@
+{-# language BlockArguments #-}
+{-# language LambdaCase #-}
+{-# language OverloadedStrings #-}
+
+-- | Port of [example_sdl2_sdlrenderer2](https://github.com/ocornut/imgui/blob/54c1bdecebf3c9bb9259c07c5f5666bb4bd5c3ea/examples/example_sdl2_sdlrenderer2/main.cpp).
+--
+-- Minor differences:
+-- - No changing of the clear color via @ImGui::ColorEdit3@ as a Haskell binding
+-- doesn't yet exist for this function.
+-- - No high DPI renderer scaling as this seems to be in flux [upstream](https://github.com/ocornut/imgui/issues/6065)
+
+module Main ( main ) where
+
+import Control.Exception (bracket, bracket_)
+import Control.Monad.IO.Class (MonadIO(liftIO))
+import Control.Monad.Managed (managed, managed_, runManaged)
+import Data.IORef (IORef, newIORef)
+import Data.Text (pack)
+import DearImGui
+import DearImGui.SDL (pollEventWithImGui, sdl2NewFrame, sdl2Shutdown)
+import DearImGui.SDL.Renderer
+  ( sdl2InitForSDLRenderer, sdlRendererInit, sdlRendererNewFrame, sdlRendererRenderDrawData
+  , sdlRendererShutdown
+  )
+import SDL (V4(V4), ($=), ($~), get)
+import Text.Printf (printf)
+import qualified SDL
+
+
+main :: IO ()
+main = do
+  -- Initialize SDL2
+  SDL.initializeAll
+
+  runManaged do
+    -- Create a window using SDL2
+    window <- do
+      let title = "ImGui + SDL2 Renderer"
+      let config = SDL.defaultWindow
+            { SDL.windowInitialSize = SDL.V2 1280 720
+            , SDL.windowResizable = True
+            , SDL.windowPosition = SDL.Centered
+            }
+      managed $ bracket (SDL.createWindow title config) SDL.destroyWindow
+
+    -- Create an SDL2 renderer
+    renderer <- managed do
+      bracket
+        (SDL.createRenderer window (-1) SDL.defaultRenderer)
+        SDL.destroyRenderer
+
+    -- Create an ImGui context
+    _ <- managed $ bracket createContext destroyContext
+
+    -- Initialize ImGui's SDL2 backend
+    _ <- managed_ do
+      bracket_ (sdl2InitForSDLRenderer window renderer) sdl2Shutdown
+
+    -- Initialize ImGui's SDL2 renderer backend
+    _ <- managed_ $ bracket_ (sdlRendererInit renderer) sdlRendererShutdown
+
+    liftIO $ mainLoop renderer
+
+
+mainLoop :: SDL.Renderer -> IO ()
+mainLoop renderer = do
+  refs <- newRefs
+  go refs
+  where
+  go refs = unlessQuit do
+    -- Tell ImGui we're starting a new frame
+    sdlRendererNewFrame
+    sdl2NewFrame
+    newFrame
+
+    -- Show the ImGui demo window
+    get (refsShowDemoWindow refs) >>= \case
+      False -> pure ()
+      True -> showDemoWindow
+
+    withWindowOpen "Hello, world!" do
+      text "This is some useful text."
+      _ <- checkbox "Demo Window" $ refsShowDemoWindow refs
+      _ <- checkbox "Another Window" $ refsShowAnotherWindow refs
+      _ <- sliderFloat "float" (refsFloat refs) 0 1
+
+      button "Button" >>= \case
+        False -> pure ()
+        True -> refsCounter refs $~ succ
+      sameLine
+      counter <- get $ refsCounter refs
+      text $ "counter = " <> pack (show counter)
+
+      fr <- framerate
+      text
+        $ pack
+        $ printf "Application average %.3f ms/frame (%.1f FPS)" (1000 / fr) fr
+
+    get (refsShowAnotherWindow refs) >>= \case
+      False -> pure ()
+      True ->
+        withCloseableWindow "Another Window" (refsShowAnotherWindow refs) do
+          text "Hello from another window!"
+          button "Close Me" >>= \case
+            False -> pure ()
+            True -> refsShowAnotherWindow refs $= False
+
+    -- Render
+    SDL.rendererDrawColor renderer $= V4 0 0 0 255
+    SDL.clear renderer
+    render
+    sdlRendererRenderDrawData =<< getDrawData
+    SDL.present renderer
+
+    go refs
+
+  -- Process the event loop
+  unlessQuit action = do
+    shouldQuit <- checkEvents
+    if shouldQuit then pure () else action
+
+  checkEvents = do
+    pollEventWithImGui >>= \case
+      Nothing ->
+        return False
+      Just event ->
+        (isQuit event ||) <$> checkEvents
+
+  isQuit event =
+    SDL.eventPayload event == SDL.QuitEvent
+
+
+data Refs = Refs
+  { refsShowDemoWindow :: IORef Bool
+  , refsShowAnotherWindow :: IORef Bool
+  , refsFloat :: IORef Float
+  , refsCounter :: IORef Int
+  }
+
+newRefs :: IO Refs
+newRefs =
+  Refs
+    <$> newIORef True
+    <*> newIORef False
+    <*> newIORef 0
+    <*> newIORef 0

examples/vulkan/Backend.hs

@@ -44,7 +44,7 @@ import Data.Traversable
 import Data.Word
   ( Word32 )
 import Foreign.C.String
-  ( CString )
+  ( peekCString )
 import Foreign.C.Types
   ( CInt )
 import Foreign.Ptr
@@ -53,8 +53,6 @@ import Foreign.Ptr
 -- bytestring
 import Data.ByteString
   ( ByteString )
-import qualified Data.ByteString.Short as ShortByteString
-  ( packCString )
 
 -- containers
 import qualified Data.Map.Strict as Map
@@ -77,11 +75,13 @@ import qualified SDL
 import qualified SDL.Raw
 import qualified SDL.Video.Vulkan
 
--- text-short
+-- text
-import Data.Text.Short
+import Data.Text
-  ( ShortText )
+  ( Text )
-import qualified Data.Text.Short as ShortText
+import qualified Data.Text as Text
-  ( intercalate, pack, fromShortByteString, toByteString, unpack )
+  ( intercalate, pack, unpack )
+import Data.Text.Encoding
+  ( encodeUtf8 )
 
 -- transformers
 import Control.Monad.IO.Class
@@ -118,7 +118,7 @@ import Attachments
 
 --------------------------------------------------------------------------------
 
-type LogMessage = WithSeverity ShortText
+type LogMessage = WithSeverity Text
 class    ( MonadUnliftIO m, MonadResource m, MonadLog LogMessage m ) => MonadVulkan m
 instance ( MonadUnliftIO m, MonadResource m, MonadLog LogMessage m ) => MonadVulkan m
 
@@ -127,9 +127,9 @@ instance ( MonadUnliftIO m, MonadResource m, MonadLog LogMessage m ) => MonadVul
 
 logHandler :: MonadIO m => LogMessage -> m ()
 logHandler ( WithSeverity sev mess )
-  = liftIO . putStrLn . ShortText.unpack $ showSeverity sev <> " " <> mess
+  = liftIO . putStrLn . Text.unpack $ showSeverity sev <> " " <> mess
 
-showSeverity :: Severity -> ShortText
+showSeverity :: Severity -> Text
 showSeverity Emergency     = "! PANIC !"
 showSeverity Alert         = "! ALERT !"
 showSeverity Critical      = "! CRIT !"
@@ -190,9 +190,9 @@ initialiseVulkanContext instanceType appName ( VulkanRequirements { instanceRequ
   device <- logDebug "Creating logical device" *>
     Vulkan.Utils.createDeviceFromRequirements swapchainDeviceRequirements [] physicalDevice deviceCreateInfo
   queue  <- Vulkan.getDeviceQueue device ( fromIntegral queueFamily ) 0
-  
+
   pure ( VulkanContext { .. } )
-  
+
 
 
 vulkanInstanceInfo
@@ -206,7 +206,7 @@ vulkanInstanceInfo appName = do
   let
     validationLayer :: Maybe ValidationLayerName
     validationLayer
-      = coerce 
+      = coerce
       . foldMap
         (  (  Vulkan.layerName :: Vulkan.LayerProperties -> ByteString )
         >>> \case
@@ -244,7 +244,7 @@ vulkanInstanceInfo appName = do
 
   case validationLayer of
     Nothing -> logInfo "Validation layer unavailable. Is the Vulkan SDK installed?"
-    Just _  -> logInfo ( "Enabled validation layers " <> ShortText.pack ( show enabledLayers ) )
+    Just _  -> logInfo ( "Enabled validation layers " <> Text.pack ( show enabledLayers ) )
 
   pure createInfo
 
@@ -305,26 +305,23 @@ initialiseWindow ( WindowInfo { height, width, windowName, mouseMode } ) = do
   void ( SDL.setMouseLocationMode mouseMode )
   window           <- logDebug "Creating SDL window"           *> createWindow width height windowName
   neededExtensions <- logDebug "Loading needed extensions"     *> SDL.Video.Vulkan.vkGetInstanceExtensions window
-  extensionNames   <- traverse ( liftIO . peekCString ) neededExtensions
+  extensionNames   <- traverse ( liftIO . fmap fromString . peekCString ) neededExtensions
-  logInfo $ "Needed instance extensions are: " <> ShortText.intercalate ", " extensionNames
+  logInfo $ "Needed instance extensions are: " <> Text.intercalate ", " extensionNames
-  pure ( window, map ShortText.toByteString extensionNames )
+  pure ( window, map encodeUtf8 extensionNames )
-
-peekCString :: CString -> IO ShortText
-peekCString = fmap ( fromMaybe "???" . ShortText.fromShortByteString ) . ShortByteString.packCString
 
 data WindowInfo
   = WindowInfo
   { width      :: CInt
   , height     :: CInt
-  , windowName :: ShortText
+  , windowName :: Text
   , mouseMode  :: SDL.LocationMode
   }
 
-createWindow :: MonadVulkan m => CInt -> CInt -> ShortText -> m SDL.Window
+createWindow :: MonadVulkan m => CInt -> CInt -> Text -> m SDL.Window
 createWindow x y title =
   snd <$> ResourceT.allocate
     ( SDL.createWindow
-              ( fromString ( ShortText.unpack title ) )
+              ( fromString ( Text.unpack title ) )
               SDL.defaultWindow
                 { SDL.windowGraphicsContext = SDL.VulkanContext
                 , SDL.windowInitialSize     = SDL.V2 x y
@@ -374,11 +371,10 @@ chooseSwapchainFormat
 
       case sortOn ( Down . score ) ( Boxed.Vector.toList surfaceFormats ) of
         [] -> error "No formats found."
-        ( best : _ )
+        Vulkan.SurfaceFormatKHR{format=Vulkan.FORMAT_UNDEFINED} : _rest ->
-          | Vulkan.FORMAT_UNDEFINED <- ( Vulkan.format :: Vulkan.SurfaceFormatKHR -> Vulkan.Format ) best
+          pure preferredFormat
-            -> pure preferredFormat
+        best : _rest
-          | otherwise
+          -> pure best
-            -> pure best
 
     where
       match :: Eq a => a -> a -> Int
@@ -405,21 +401,14 @@ createSwapchain physicalDevice device surface surfaceFormat imageUsage imageCoun
 
   surfaceCapabilities <- Vulkan.getPhysicalDeviceSurfaceCapabilitiesKHR physicalDevice ( Vulkan.SurfaceKHR surface )
 
-  ( _, presentModes ) <- Vulkan.getPhysicalDeviceSurfacePresentModesKHR physicalDevice ( Vulkan.SurfaceKHR surface )
-  
   let
     presentMode :: Vulkan.PresentModeKHR
-    presentMode 
+    presentMode =
-      | Vulkan.PRESENT_MODE_MAILBOX_KHR `elem` presentModes
+      Vulkan.PRESENT_MODE_FIFO_KHR -- run at presentation rate
-      = Vulkan.PRESENT_MODE_MAILBOX_KHR
+      -- Vulkan.PRESENT_MODE_MAILBOX_KHR -- max-FPS alternative for benchmarks, input lag debugging, etc.
-      | otherwise
-      = Vulkan.PRESENT_MODE_FIFO_KHR
 
-    currentExtent :: Vulkan.Extent2D
+    Vulkan.SurfaceCapabilitiesKHR{currentExtent, currentTransform} = surfaceCapabilities
-    currentExtent = ( Vulkan.currentExtent :: Vulkan.SurfaceCapabilitiesKHR -> Vulkan.Extent2D ) surfaceCapabilities
+    Vulkan.SurfaceFormatKHR{format=fmt, colorSpace=csp} = surfaceFormat
-
-    currentTransform :: Vulkan.SurfaceTransformFlagBitsKHR
-    currentTransform = ( Vulkan.currentTransform :: Vulkan.SurfaceCapabilitiesKHR -> Vulkan.SurfaceTransformFlagBitsKHR ) surfaceCapabilities
 
     swapchainCreateInfo :: Vulkan.SwapchainCreateInfoKHR '[]
     swapchainCreateInfo =
@@ -428,8 +417,8 @@ createSwapchain physicalDevice device surface surfaceFormat imageUsage imageCoun
         , Vulkan.flags                 = Vulkan.zero
         , Vulkan.surface               = Vulkan.SurfaceKHR surface
         , Vulkan.minImageCount         = imageCount
-        , Vulkan.imageFormat           = ( Vulkan.format     :: Vulkan.SurfaceFormatKHR -> Vulkan.Format        ) surfaceFormat
+        , Vulkan.imageFormat           = fmt
-        , Vulkan.imageColorSpace       = ( Vulkan.colorSpace :: Vulkan.SurfaceFormatKHR -> Vulkan.ColorSpaceKHR ) surfaceFormat
+        , Vulkan.imageColorSpace       = csp
         , Vulkan.imageExtent           = currentExtent
         , Vulkan.imageArrayLayers      = 1
         , Vulkan.imageUsage            = imageUsage
@@ -494,7 +483,7 @@ simpleRenderPass dev attachments = Vulkan.withRenderPass dev createInfo Nothing
         { Vulkan.next         = ()
         , Vulkan.flags        = Vulkan.zero
         , Vulkan.attachments  = Boxed.Vector.fromList attachmentDescriptions
-        , Vulkan.subpasses    = Boxed.Vector.singleton subpass 
+        , Vulkan.subpasses    = Boxed.Vector.singleton subpass
         , Vulkan.dependencies = Boxed.Vector.fromList [ dependency1, dependency2 ]
         }
 
@@ -591,7 +580,7 @@ createFramebuffer
   -> Vulkan.Extent2D
   -> f Vulkan.ImageView
   -> m ( ResourceT.ReleaseKey, Vulkan.Framebuffer )
-createFramebuffer dev renderPass extent attachments = Vulkan.withFramebuffer dev createInfo Nothing ResourceT.allocate
+createFramebuffer dev renderPass Vulkan.Extent2D{width, height} attachments = Vulkan.withFramebuffer dev createInfo Nothing ResourceT.allocate
   where
     createInfo :: Vulkan.FramebufferCreateInfo '[]
     createInfo =
@@ -600,8 +589,8 @@ createFramebuffer dev renderPass extent attachments = Vulkan.withFramebuffer dev
         , Vulkan.flags       = Vulkan.zero
         , Vulkan.renderPass  = renderPass
         , Vulkan.attachments = Boxed.Vector.fromList . toList $ attachments
-        , Vulkan.width       = ( Vulkan.width  :: Vulkan.Extent2D -> Word32 ) extent
+        , Vulkan.width       = width
-        , Vulkan.height      = ( Vulkan.height :: Vulkan.Extent2D -> Word32 ) extent
+        , Vulkan.height      = height
         , Vulkan.layers      = 1
         }
 

examples/vulkan/Main.hs

@@ -24,7 +24,9 @@ import Control.Arrow
 import Control.Exception
   ( throw )
 import Control.Monad
-  ( unless, void )
+  ( unless, void, when )
+import Data.Bits
+  ( (.|.) )
 import Data.Foldable
   ( traverse_ )
 import Data.String
@@ -62,11 +64,13 @@ import qualified Data.Vector as Boxed
   ( Vector )
 import qualified Data.Vector as Boxed.Vector
   ( (!), head, singleton, unzip )
+import qualified Data.Vector.Storable as Storable.Vector
 
 -- vulkan
 import qualified Vulkan
-import qualified Vulkan.Exception as Vulkan
+import qualified Vulkan.Exception      as Vulkan
-import qualified Vulkan.Zero      as Vulkan
+import qualified Vulkan.Zero           as Vulkan
+import qualified VulkanMemoryAllocator as VMA
 
 -- dear-imgui
 import Attachments
@@ -76,6 +80,13 @@ import qualified DearImGui            as ImGui
 import qualified DearImGui.Vulkan     as ImGui.Vulkan
 import qualified DearImGui.SDL        as ImGui.SDL
 import qualified DearImGui.SDL.Vulkan as ImGui.SDL.Vulkan
+import Util (vmaVulkanFunctions)
+import Foreign (Ptr, castPtr, copyBytes, with, withForeignPtr, wordPtrToPtr)
+import qualified DearImGui.Raw as ImGui.Raw
+import UnliftIO (MonadUnliftIO)
+import qualified Vulkan.CStruct.Extends as Vulkan
+
+import qualified Codec.Picture as Picture
 
 --------------------------------------------------------------------------------
 
@@ -83,8 +94,8 @@ type Handler    = LogMessage -> ResourceT IO ()
 deriving via ( ReaderT Handler (ResourceT IO) )
   instance MonadResource ( LoggingT LogMessage (ResourceT IO) )
 
-gui :: MonadIO m => m ImGui.DrawData
+gui :: MonadUnliftIO m => (ImGui.Raw.ImVec2, Ptr ()) ->  m ImGui.DrawData
-gui = do
+gui texture = do
   -- Prepare frame
   ImGui.Vulkan.vulkanNewFrame
   ImGui.SDL.sdl2NewFrame
@@ -92,6 +103,25 @@ gui = do
 
   -- Run your windows
   ImGui.showDemoWindow
+  ImGui.withWindowOpen "Vulkan demo" do
+    clicked <- liftIO do
+      with (fst texture) \sizePtr ->
+        with (ImGui.Raw.ImVec2 0 0) \uv0Ptr ->
+          with (ImGui.Raw.ImVec2 1 1) \uv1Ptr ->
+            with (ImGui.Raw.ImVec4 1 1 1 1) \tintColPtr ->
+              with (ImGui.Raw.ImVec4 1 1 1 1) \bgColPtr ->
+                ImGui.Raw.imageButton
+                  (snd texture)
+                  sizePtr
+                  uv0Ptr
+                  uv1Ptr
+                  (-1)
+                  bgColPtr
+                  tintColPtr
+
+    when clicked $
+      ImGui.text "clicky click!"
+
 
   -- Process ImGui state into draw commands
   ImGui.render
@@ -171,9 +201,7 @@ app = do
   surfaceCapabilities <- Vulkan.getPhysicalDeviceSurfaceCapabilitiesKHR physicalDevice ( Vulkan.SurfaceKHR surface )
 
   let
-    minImageCount, maxImageCount, imageCount :: Word32
+    Vulkan.SurfaceCapabilitiesKHR{minImageCount, maxImageCount} = surfaceCapabilities
-    minImageCount = ( Vulkan.minImageCount :: Vulkan.SurfaceCapabilitiesKHR -> Word32 ) surfaceCapabilities
-    maxImageCount = ( Vulkan.maxImageCount :: Vulkan.SurfaceCapabilitiesKHR -> Word32 ) surfaceCapabilities
     imageCount
       | maxImageCount == 0 =   minImageCount + 1
       | otherwise          = ( minImageCount + 1 ) `min` maxImageCount
@@ -183,31 +211,30 @@ app = do
 
     swapchainResources :: Maybe SwapchainResources -> m ( m (), SwapchainResources )
     swapchainResources mbOldResources = do
-      ( surfaceFormat, imGuiRenderPass ) <- case mbOldResources of
+      ( colFmt, surfaceFormat, imGuiRenderPass ) <- case mbOldResources of
         Nothing -> do
           logDebug "Choosing swapchain format & color space"
           surfaceFormat <- chooseSwapchainFormat preferredFormat physicalDevice surface
-          let
+          let Vulkan.SurfaceFormatKHR{format=colFmt} = surfaceFormat
-            colFmt :: Vulkan.Format
-            colFmt = ( Vulkan.format :: Vulkan.SurfaceFormatKHR -> Vulkan.Format ) surfaceFormat
           logDebug "Creating Dear ImGui render pass"
           ( _, imGuiRenderPass ) <-
             simpleRenderPass device
               ( noAttachments
                 { colorAttachments = Boxed.Vector.singleton $ presentableColorAttachmentDescription colFmt }
               )
-          pure ( surfaceFormat, imGuiRenderPass )
+          pure ( colFmt, surfaceFormat, imGuiRenderPass )
-        Just oldResources -> pure ( surfaceFormat oldResources, imGuiRenderPass oldResources )
+        Just oldResources -> do
-
+          let surFmt = surfaceFormat oldResources
-      let
+          let Vulkan.SurfaceFormatKHR{format=colFmt} = surFmt
-        colFmt :: Vulkan.Format
+          pure ( colFmt, surFmt, imGuiRenderPass oldResources )
-        colFmt = ( Vulkan.format :: Vulkan.SurfaceFormatKHR -> Vulkan.Format ) surfaceFormat
 
       logDebug "Creating swapchain"
       ( swapchainKey, swapchain, swapchainExtent ) <-
         createSwapchain
-          physicalDevice device
+          physicalDevice
-          surface surfaceFormat
+          device
+          surface
+          surfaceFormat
           surfaceUsage
           imageCount
           ( swapchain <$> mbOldResources )
@@ -275,6 +302,80 @@ app = do
   logDebug "Allocating command buffers"
   commandBuffers <- snd <$> allocatePrimaryCommandBuffers device commandPool imageCount
 
+  logDebug "Allocating VMA"
+  (_key, vma) <- VMA.withAllocator
+    Vulkan.zero
+      { VMA.instance'       = Vulkan.instanceHandle instance'
+      , VMA.device          = Vulkan.deviceHandle device
+      , VMA.physicalDevice  = Vulkan.physicalDeviceHandle physicalDevice
+      , VMA.vulkanFunctions = Just $ vmaVulkanFunctions device instance'
+      }
+    ResourceT.allocate
+
+  logDebug "Loading image data"
+  picture <- liftIO (Picture.readImage "Example.png") >>= either error (pure . Picture.convertRGBA8)
+
+  logDebug "Allocating image"
+  let textureWidth = Picture.imageWidth picture
+  let textureHeight = Picture.imageHeight picture
+
+  (_key, (image, _imageAllocation, _imageAllocationInfo)) <- VMA.withImage
+    vma
+    ( Vulkan.zero
+        { Vulkan.imageType     = Vulkan.IMAGE_TYPE_2D
+        , Vulkan.mipLevels     = 1
+        , Vulkan.arrayLayers   = 1
+        , Vulkan.format        = Vulkan.FORMAT_R8G8B8A8_SRGB
+        , Vulkan.extent        = Vulkan.Extent3D (fromIntegral textureWidth) (fromIntegral textureHeight) 1
+        , Vulkan.tiling        = Vulkan.IMAGE_TILING_OPTIMAL
+        , Vulkan.initialLayout = Vulkan.IMAGE_LAYOUT_UNDEFINED
+        , Vulkan.usage         = Vulkan.IMAGE_USAGE_SAMPLED_BIT .|. Vulkan.IMAGE_USAGE_TRANSFER_DST_BIT
+        , Vulkan.sharingMode   = Vulkan.SHARING_MODE_EXCLUSIVE
+        , Vulkan.samples       = Vulkan.SAMPLE_COUNT_1_BIT
+        }
+    )
+    ( Vulkan.zero
+        { VMA.flags         = Vulkan.zero
+        , VMA.usage         = VMA.MEMORY_USAGE_GPU_ONLY
+        , VMA.requiredFlags = Vulkan.MEMORY_PROPERTY_DEVICE_LOCAL_BIT
+        }
+    )
+    ResourceT.allocate
+
+  let (pictureF, pictureSize) = Storable.Vector.unsafeToForeignPtr0 (Picture.imageData picture)
+
+  let stageBufferCI = Vulkan.zero
+        { Vulkan.size        = fromIntegral pictureSize
+        , Vulkan.usage       = Vulkan.BUFFER_USAGE_TRANSFER_SRC_BIT
+        , Vulkan.sharingMode = Vulkan.SHARING_MODE_EXCLUSIVE
+        }
+  let stageAllocationCI = Vulkan.zero
+        { VMA.flags         = VMA.ALLOCATION_CREATE_MAPPED_BIT
+        , VMA.usage         = VMA.MEMORY_USAGE_CPU_TO_GPU
+        , VMA.requiredFlags = Vulkan.MEMORY_PROPERTY_HOST_VISIBLE_BIT
+        }
+
+  (stageKey, (stage, stageAllocation, stageAllocationInfo)) <- VMA.withBuffer
+    vma
+    stageBufferCI
+    stageAllocationCI
+    ResourceT.allocate
+
+  liftIO $ withForeignPtr pictureF \srcPtr ->
+    copyBytes (VMA.mappedData stageAllocationInfo) (castPtr srcPtr) pictureSize
+
+  VMA.flushAllocation vma stageAllocation 0 Vulkan.WHOLE_SIZE
+
+  logDebug "Allocating sampler"
+  (_key, sampler) <- Vulkan.withSampler device Vulkan.zero Nothing ResourceT.allocate
+  logDebug "Allocating image view"
+  (_key, imageView) <- createImageView
+    device
+    image
+    Vulkan.IMAGE_VIEW_TYPE_2D
+    Vulkan.FORMAT_R8G8B8A8_SRGB
+    Vulkan.IMAGE_ASPECT_COLOR_BIT
+
   -------------------------------------------
   -- Initialise Dear ImGui.
 
@@ -308,23 +409,96 @@ app = do
     logDebug "Creating fence"
     ( fenceKey, fence ) <- createFence device
     logDebug "Allocating one-shot command buffer"
-    ( fontUploadCommandBufferKey, fontUploadCommandBuffer ) <-
+    ( oneshotCommandBufferKey, oneshotCommandBuffer ) <-
       second Boxed.Vector.head <$>
         allocatePrimaryCommandBuffers device commandPool 1
 
     logDebug "Recording one-shot commands"
-    beginCommandBuffer fontUploadCommandBuffer
+    beginCommandBuffer oneshotCommandBuffer
-    _ <- ImGui.Vulkan.vulkanCreateFontsTexture fontUploadCommandBuffer
+    _ <- ImGui.Vulkan.vulkanCreateFontsTexture oneshotCommandBuffer
-    endCommandBuffer fontUploadCommandBuffer
+
+    logDebug "Uploading texture"
+    let textureSubresource = Vulkan.ImageSubresourceRange
+          { Vulkan.aspectMask     = Vulkan.IMAGE_ASPECT_COLOR_BIT
+          , Vulkan.baseMipLevel   = 0
+          , Vulkan.levelCount     = 1
+          , Vulkan.baseArrayLayer = 0
+          , Vulkan.layerCount     = 1
+          }
+
+    let uploadBarrier = Vulkan.zero
+          { Vulkan.srcAccessMask       = Vulkan.zero
+          , Vulkan.dstAccessMask       = Vulkan.ACCESS_TRANSFER_WRITE_BIT
+          , Vulkan.oldLayout           = Vulkan.IMAGE_LAYOUT_UNDEFINED
+          , Vulkan.newLayout           = Vulkan.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
+          , Vulkan.srcQueueFamilyIndex = Vulkan.QUEUE_FAMILY_IGNORED
+          , Vulkan.dstQueueFamilyIndex = Vulkan.QUEUE_FAMILY_IGNORED
+          , Vulkan.image               = image
+          , Vulkan.subresourceRange    = textureSubresource
+          } :: Vulkan.ImageMemoryBarrier '[]
+    Vulkan.cmdPipelineBarrier
+      oneshotCommandBuffer
+      Vulkan.PIPELINE_STAGE_TOP_OF_PIPE_BIT
+      Vulkan.PIPELINE_STAGE_TRANSFER_BIT
+      Vulkan.zero
+      mempty
+      mempty
+      (Boxed.Vector.singleton $ Vulkan.SomeStruct uploadBarrier)
+
+    Vulkan.cmdCopyBufferToImage oneshotCommandBuffer stage image Vulkan.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL $
+      Boxed.Vector.singleton Vulkan.BufferImageCopy
+        { Vulkan.bufferOffset      = 0
+        , Vulkan.bufferRowLength   = Vulkan.zero
+        , Vulkan.bufferImageHeight = Vulkan.zero
+        , Vulkan.imageSubresource = Vulkan.ImageSubresourceLayers
+            { aspectMask     = Vulkan.IMAGE_ASPECT_COLOR_BIT
+            , mipLevel       = 0
+            , baseArrayLayer = 0
+            , layerCount     = 1
+            }
+        , Vulkan.imageOffset = Vulkan.zero
+        , Vulkan.imageExtent = Vulkan.Extent3D
+            { width  = fromIntegral textureWidth
+            , height = fromIntegral textureHeight
+            , depth  = 1
+            }
+        }
+
+    logDebug "Transitioning texture"
+    let transitionBarrier = Vulkan.zero
+          { Vulkan.srcAccessMask       = Vulkan.ACCESS_TRANSFER_WRITE_BIT
+          , Vulkan.dstAccessMask       = Vulkan.ACCESS_SHADER_READ_BIT
+          , Vulkan.oldLayout           = Vulkan.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL
+          , Vulkan.newLayout           = Vulkan.IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
+          , Vulkan.srcQueueFamilyIndex = Vulkan.QUEUE_FAMILY_IGNORED
+          , Vulkan.dstQueueFamilyIndex = Vulkan.QUEUE_FAMILY_IGNORED
+          , Vulkan.image               = image
+          , Vulkan.subresourceRange    = textureSubresource
+          } :: Vulkan.ImageMemoryBarrier '[]
+    Vulkan.cmdPipelineBarrier
+      oneshotCommandBuffer
+      Vulkan.PIPELINE_STAGE_TRANSFER_BIT
+      Vulkan.PIPELINE_STAGE_FRAGMENT_SHADER_BIT
+      Vulkan.zero
+      mempty
+      mempty
+      (Boxed.Vector.singleton $ Vulkan.SomeStruct transitionBarrier)
+
+    endCommandBuffer oneshotCommandBuffer
 
     logDebug "Submitting one-shot commands"
-    submitCommandBuffer queue fontUploadCommandBuffer [] [] ( Just fence )
+    submitCommandBuffer queue oneshotCommandBuffer [] [] ( Just fence )
     waitForFences device ( WaitAll [ fence ] )
 
     logDebug "Finished uploading font objects"
     logDebug "Cleaning up one-shot commands"
     ImGui.Vulkan.vulkanDestroyFontUploadObjects
-    traverse_ ResourceT.release [ fenceKey, fontUploadCommandBufferKey ]
+    traverse_ ResourceT.release [ fenceKey, oneshotCommandBufferKey, stageKey ]
+
+    logDebug "Adding imgui texture"
+    Vulkan.DescriptorSet ds <- ImGui.Vulkan.vulkanAddTexture sampler imageView Vulkan.IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
+    let textureSize = ImGui.Raw.ImVec2 (fromIntegral textureWidth) (fromIntegral textureHeight)
+    let texture = (textureSize, wordPtrToPtr $ fromIntegral ds)
 
     let
       mainLoop :: AppState m -> m ()
@@ -364,7 +538,7 @@ app = do
                   beginCommandBuffer commandBuffer
                   cmdBeginRenderPass commandBuffer imGuiRenderPass framebuffer clearValues swapchainExtent
 
-                  drawData <- gui
+                  drawData <- gui texture
                   ImGui.Vulkan.vulkanRenderDrawData drawData commandBuffer Nothing
 
                   cmdEndRenderPass commandBuffer

examples/vulkan/Util.hs

@@ -1,4 +1,7 @@
 {-# LANGUAGE BlockArguments      #-}
+{-# LANGUAGE CPP                 #-}
+{-# LANGUAGE NamedFieldPuns      #-}
+{-# LANGUAGE RecordWildCards     #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 
 module Util where
@@ -12,6 +15,10 @@ import Data.Functor.Identity
   ( Identity(..) )
 import Data.Traversable
   ( for )
+#if MIN_VERSION_VulkanMemoryAllocator(0,8,0)
+import Foreign
+  ( castFunPtr )
+#endif
 
 -- transformers
 import Control.Monad.Trans.State.Strict
@@ -19,6 +26,16 @@ import Control.Monad.Trans.State.Strict
 import Control.Monad.Trans.Writer.Strict
   ( runWriter, tell )
 
+-- vulkan
+import qualified Vulkan
+#if MIN_VERSION_VulkanMemoryAllocator(0,8,0)
+import qualified Vulkan.Dynamic as VkDynamic
+#endif
+import Vulkan.Zero (zero)
+
+-- VulkanMemoryAllocator
+import qualified VulkanMemoryAllocator as VMA
+
 ---------------------------------------------------------------
 
 iunzipWith
@@ -38,3 +55,19 @@ ifor i0 upd ta f = (`evalState` i0) . getCompose $ result
   where
     result :: Compose (State i) f (t b)
     result = for ta \ a -> ( coerce ( \ i -> ( f i a, upd i ) ) )
+
+vmaVulkanFunctions
+  :: Vulkan.Device
+  -> Vulkan.Instance
+  -> VMA.VulkanFunctions
+#if MIN_VERSION_VulkanMemoryAllocator(0,8,0)
+vmaVulkanFunctions Vulkan.Device{deviceCmds} Vulkan.Instance{instanceCmds} =
+  zero
+    { VMA.vkGetInstanceProcAddr =
+        castFunPtr $ VkDynamic.pVkGetInstanceProcAddr instanceCmds
+    , VMA.vkGetDeviceProcAddr =
+        castFunPtr $ VkDynamic.pVkGetDeviceProcAddr deviceCmds
+    }
+#else
+vmaVulkanFunctions _device _instance = zero
+#endif

generator/DearImGui/Generator.hs

@@ -24,6 +24,10 @@ import Data.Traversable
   ( for )
 import Foreign.Storable
   ( Storable )
+#if MIN_VERSION_template_haskell(2,18,0)
+import Data.Coerce
+  ( coerce )
+#endif
 
 -- containers
 import Data.Map.Strict
@@ -171,7 +175,7 @@ declareEnumeration finiteEnumName countName ( Enumeration {..} ) = do
         else
           \ nm args dir pat ->
           TH.patSynD_doc nm args dir pat
-            ( Just $ Text.unpack patDoc ) []
+            ( Just $ Text.unpack _patDoc ) []
       )
 #else
       TH.patSynD

generator/DearImGui/Generator/Parser.hs

@@ -60,7 +60,7 @@ import Data.Text
   ( Text )
 import qualified Data.Text as Text
   ( all, any, breakOn, drop, dropWhile, dropWhileEnd
-  , length, stripPrefix, unlines, unpack
+  , length, stripPrefix, unlines, unpack, pack
   )
 
 -- transformers
@@ -81,6 +81,8 @@ import DearImGui.Generator.Tokeniser
 import DearImGui.Generator.Types
   ( Comment(..), Enumeration(..), Headers(..) )
 
+import qualified Text.Show as Text
+
 --------------------------------------------------------------------------------
 -- Parse error type.
 
@@ -90,7 +92,9 @@ data CustomParseError
     , problems :: ![Text]
     }
   | MissingForwardDeclaration
-    { enumName :: !Text }
+    { enumName :: !Text
+    , library :: HashMap Text ( TH.Name, Comment )
+    }
   | UnexpectedSection
     { sectionName :: !Text
     , problem     :: ![Text]
@@ -101,8 +105,9 @@ 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 $
+  showErrorComponent ( MissingForwardDeclaration { enumName, library } ) = Text.unpack $
-    "Missing forward declaration for enum named " <> enumName
+    "Missing forward declaration for enum named " <> enumName <> "\n"
+    <> "In Library: " <> Text.pack ( Text.show library)
   showErrorComponent ( UnexpectedSection { sectionName, problem } ) = Text.unpack $
     "Unexpected section name.\n\
     \Expected: " <> sectionName <> "\n\
@@ -124,6 +129,7 @@ headers = do
   ( _defines, basicEnums ) <- partitionEithers <$>
     manyTill
       (   ( Left  <$> try ignoreDefine )
+      <|> ( Left  <$> try cppConditional )
       <|> ( Right <$> enumeration enumNamesAndTypes )
       )
       ( namedSection "Helpers: Memory allocations macros, ImVector<>" )
@@ -134,7 +140,7 @@ headers = do
 
   _ <- skipManyTill anySingle ( namedSection "Misc data structures" )
 
-  _ <- skipManyTill anySingle ( namedSection "Helpers (ImGuiOnceUponAFrame, ImGuiTextFilter, ImGuiTextBuffer, ImGuiStorage, ImGuiListClipper, ImColor)" )
+  _ <- skipManyTill anySingle ( namedSection "Helpers (ImGuiOnceUponAFrame, ImGuiTextFilter, ImGuiTextBuffer, ImGuiStorage, ImGuiListClipper, Math Operators, ImColor)" )
 
   _ <- skipManyTill anySingle ( namedSection "Drawing API (ImDrawCmd, ImDrawIdx, ImDrawVert, ImDrawChannel, ImDrawListSplitter, ImDrawListFlags, ImDrawList, ImDrawData)" )
   skipManyTill anySingle ( try . lookAhead $ many comment *> keyword "enum" )
@@ -146,6 +152,8 @@ headers = do
 
   _ <- skipManyTill anySingle ( namedSection "Viewports" )
 
+  _ <- skipManyTill anySingle ( namedSection "Platform Dependent Interfaces" ) -- XXX: since 1.87
+
   _ <- skipManyTill anySingle ( namedSection "Obsolete functions and types" )
 
   let
@@ -169,14 +177,24 @@ forwardDeclarations = do
     pure ( structName, doc )
   _ <- many comment
   enums <- many do
+    keyword "enum"
+    enumName <- identifier
+    symbol ":"
+    ty <- cTypeName
+    reservedSymbol ';'
+    doc <- commentText <$> comment
+    pure ( enumName, ( ty, CommentText <$> Text.drop 2 . snd $ Text.breakOn "//" doc ) )
+  _ <- many comment
+  typedefs <- many do
     keyword "typedef"
     ty <- cTypeName
     enumName <- identifier
     reservedSymbol ';'
     doc <- commentText <$> comment
+    _ <- many comment
     pure ( enumName, ( ty, CommentText <$> Text.drop 2 . snd $ Text.breakOn "//" doc ) )
   -- Stopping after simple structs and enums for now.
-  pure ( HashMap.fromList structs, HashMap.fromList enums )
+  pure ( HashMap.fromList structs, HashMap.fromList (enums <> typedefs) )
 
 cTypeName :: MonadParsec e [Tok] m => m TH.Name
 cTypeName = keyword "int" $> ''CInt
@@ -198,6 +216,7 @@ enumeration enumNamesAndTypes = do
     keyword "enum"
     pure inlineDocs
   fullEnumName <- identifier
+  _ <- try $ (symbol ":" >> cTypeName >> pure ()) <|> pure ()
   let
     enumName :: Text
     enumName = Text.dropWhileEnd ( == '_' ) fullEnumName
@@ -205,7 +224,7 @@ enumeration enumNamesAndTypes = do
     enumTypeName = ()
   ( underlyingType, forwardDoc ) <- case HashMap.lookup enumName enumNamesAndTypes of
     Just res -> pure res
-    Nothing  -> customFailure ( MissingForwardDeclaration { enumName } )
+    Nothing  -> customFailure ( MissingForwardDeclaration { enumName, library=enumNamesAndTypes } )
   let
     docs :: [Comment]
     docs = forwardDoc : CommentText "" : inlineDocs
@@ -254,13 +273,21 @@ patternNameAndValue enumName =
   where
     count :: StateT EnumState m Integer
     count = do
-      _ <- single ( Identifier $ enumName <> "COUNT" )
+      let idName = enumName <> "COUNT"
+      _ <- single ( Identifier idName )
+
       mbVal <- optional do
         _ <- reservedSymbol '='
-        integerExpression
+        EnumState{enumValues} <- get
-      case mbVal of
+        integerExpression enumValues
+
+      countVal <- case mbVal of
         Nothing -> currEnumTag <$> get
         Just ct -> pure ct
+
+      modify' ( \ st -> st { enumValues = HashMap.insert idName countVal ( enumValues st ) } )
+      pure countVal
+
     value :: StateT EnumState m ( Text, Integer )
     value = do
       name <- identifier
@@ -271,13 +298,16 @@ patternNameAndValue enumName =
     patternRHS =
       ( do
         reservedSymbol '='
-        try integerExpression <|> try disjunction
+        EnumState{enumValues} <- get
+        try disjunction <|> try (integerExpression enumValues)
       )
       <|> ( currEnumTag <$> get )
 
     disjunction :: StateT EnumState m Integer
     disjunction = do
-      ( summands :: [Text] ) <- identifier `sepBy1` symbol "|"
+      initial <- identifier <* symbol "|"
+      ( rest :: [Text] ) <- identifier `sepBy1` symbol "|"
+      let summands = initial : rest
       valsMap <- enumValues <$> get
       let
         res :: Either [ Text ] Integer
@@ -327,34 +357,53 @@ 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 :: MonadParsec e [ Tok ] m => HashMap Text Integer -> m Integer
-integerExpression = try integerPower <|> integer
+integerExpression enums = try integerPower <|> try integerAdd <|> try integerSub <|> 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 )
+    integerPower :: MonadParsec e [ Tok ] m => m Integer
-    mkSign = ( symbol "+" $> id ) <|> ( symbol "-" $> negate )
+    integerPower = do
+      a <- integer
+      _ <- symbol "<<"
+      i <- integer
+      pure ( a `shiftL` fromIntegral i )
+
+    integerAdd :: MonadParsec e [ Tok ] m => m Integer
+    integerAdd = do
+      a <- integer
+      _ <- symbol "+"
+      i <- integer
+      pure ( a + i )
+
+    integerSub :: MonadParsec e [ Tok ] m => m Integer
+    integerSub = do
+      a <- integer
+      _ <- symbol "-"
+      i <- integer
+      pure ( a - 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'
+
+              Identifier name ->
+                HashMap.lookup name enums
+
+              _ ->
+                Nothing
+          )
+          mempty
+        <?> "integer"
+      where
+        mkSign :: m ( Integer -> Integer )
+        mkSign = ( symbol "+" $> id ) <|> ( symbol "-" $> negate )
 
 section :: MonadParsec e [ Tok ] m => m [Text]
 section =

imgui

@@ -1 +1 @@
-Subproject commit 55d35d8387c15bf0cfd71861df67af8cfbda7456
+Subproject commit c6e0284ac58b3f205c95365478888f7b53b077e2

src/DearImGui/FontAtlas.hs

@@ -119,6 +119,8 @@ import DearImGui.Raw.Font.Config (FontConfig(..))
 import qualified DearImGui.Raw.Font.Config as FontConfig
 import DearImGui.Raw.Font.GlyphRanges (GlyphRanges(..), GlyphRangesBuilder(..))
 import qualified DearImGui.Raw.Font.GlyphRanges as GlyphRanges
+import DearImGui.Internal.Text (Text)
+import qualified DearImGui.Internal.Text as Text
 
 import DearImGui.Structs (ImVec2(..), ImWchar)
 
@@ -332,10 +334,10 @@ addChar char =
     GlyphRanges.addChar builder char
 
 -- | UTF-8 string
-addText :: String -> RangesBuilderSetup
+addText :: Text -> RangesBuilderSetup
 addText str =
   RangesBuilderSetup \builder ->
-    withCString str (GlyphRanges.addText builder)
+    Text.withCString str (GlyphRanges.addText builder)
 
 -- | Existing ranges (as is)
 addRangesRaw :: GlyphRanges -> RangesBuilderSetup

src/DearImGui/GLFW.hs

@@ -23,6 +23,7 @@ module DearImGui.GLFW (
     -- $callbacks
   , glfwWindowFocusCallback
   , glfwCursorEnterCallback
+  , glfwCursorPosCallback
   , glfwMouseButtonCallback
   , glfwScrollCallback
   , glfwKeyCallback
@@ -108,6 +109,20 @@ glfwCursorEnterCallback window entered = liftIO do
   where
     windowPtr = castPtr $ unWindow window
 
+glfwCursorPosCallback :: MonadIO m => Window -> CDouble -> CDouble -> m ()
+glfwCursorPosCallback window x y = liftIO do
+  [C.exp| void {
+    ImGui_ImplGlfw_CursorPosCallback(
+      static_cast<GLFWwindow *>(
+        $(void * windowPtr)
+      ),
+      $(double x),
+      $(double y)
+    );
+  } |]
+  where
+    windowPtr = castPtr $ unWindow window
+
 glfwMouseButtonCallback :: MonadIO m => Window -> CInt -> CInt -> CInt -> m ()
 glfwMouseButtonCallback window button action mods = liftIO do
   [C.exp| void {

src/DearImGui/Internal/Text.hs

@@ -0,0 +1,76 @@
+{-# LANGUAGE CPP #-}
+
+module DearImGui.Internal.Text
+  ( withCString
+  , withCStringOrNull
+  , withCStringLen
+  , withCStringEnd
+  , peekCString
+
+  , Text
+  , pack
+  , unpack
+  ) where
+
+-- base
+import Foreign (nullPtr, plusPtr)
+import Foreign.C.String (CString)
+import qualified GHC.Foreign as Foreign
+import System.IO (utf8)
+
+-- text
+import Data.Text (Text, pack, unpack)
+import Data.Text.Foreign (withCStringLen)
+
+-- unliftio-core
+import UnliftIO (MonadUnliftIO, UnliftIO(..), withUnliftIO)
+
+#if MIN_VERSION_text(2,0,1)
+-- XXX: just wrap the provided combinator
+
+import qualified Data.Text.Foreign as Text
+
+withCString :: MonadUnliftIO m => Text -> (CString -> m a) -> m a
+withCString text action =
+  withUnliftIO $ \(UnliftIO unlift) ->
+    Text.withCString text $ \buf ->
+      unlift $ action buf
+
+#elif MIN_VERSION_text(2,0,0)
+-- XXX: the text is UTF-8, alas no withCString is available
+
+import Data.Text.Foreign (lengthWord8, unsafeCopyToPtr)
+import Data.Word (Word8)
+import Foreign (allocaBytes, castPtr, pokeByteOff)
+
+withCString :: MonadUnliftIO m => Text -> (CString -> m a) -> m a
+withCString t@(Text _arr _off len) action =
+  withUnliftIO $ \(UnliftIO unlift) ->
+    allocaBytes (len + 1) $ \buf -> do
+      unsafeCopyToPtr t buf
+      pokeByteOff buf len (0 :: Word8)
+      unlift $ action (castPtr buf)
+
+#else
+-- XXX: the text is UTF-16, let GHC do it
+
+withCString :: MonadUnliftIO m => Text -> (CString -> m a) -> m a
+withCString t action = do
+  withUnliftIO $ \(UnliftIO unlift) ->
+    Foreign.withCString utf8 (unpack t) $ \textPtr ->
+      unlift $ action textPtr
+
+#endif
+
+peekCString :: CString -> IO Text
+peekCString = fmap pack . Foreign.peekCString utf8
+
+withCStringOrNull :: Maybe Text -> (CString -> IO a) -> IO a
+withCStringOrNull Nothing k  = k nullPtr
+withCStringOrNull (Just s) k = withCString s k
+
+withCStringEnd :: MonadUnliftIO m => Text -> (CString -> CString -> m a) -> m a
+withCStringEnd t action =
+  withUnliftIO $ \(UnliftIO unlift) ->
+    withCStringLen t $ \(textPtr, size) ->
+      unlift $ action textPtr (textPtr `plusPtr` size)

src/DearImGui/Raw.hs

@@ -6,6 +6,7 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE PatternSynonyms #-}
 {-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE RecordWildCards #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE ViewPatterns #-}
 
@@ -64,6 +65,8 @@ module DearImGui.Raw
   , setNextWindowSizeConstraints
   , setNextWindowCollapsed
   , setNextWindowBgAlpha
+  , beginDisabled
+  , endDisabled
 
     -- ** Child Windows
   , beginChild
@@ -89,6 +92,7 @@ module DearImGui.Raw
   , popItemWidth
   , beginGroup
   , endGroup
+  , getCursorPos
   , setCursorPos
   , getCursorScreenPos
   , alignTextToFramePadding
@@ -157,10 +161,34 @@ module DearImGui.Raw
   , colorPicker3
   , colorButton
 
+    -- * Tables
+  , beginTable
+  , endTable
+  , tableNextRow
+  , tableNextColumn
+  , tableSetColumnIndex
+
+  , tableSetupColumn
+  , tableSetupScrollFreeze
+  , tableHeadersRow
+  , tableHeader
+
+  , tableGetSortSpecs
+  , tableClearSortSpecsDirty
+
+  , tableGetColumnCount
+  , tableGetColumnIndex
+  , tableGetRowIndex
+  , tableGetColumnName
+  , tableGetColumnFlags
+  , tableSetColumnEnabled
+  , tableSetBgColor
+
     -- * Trees
   , treeNode
   , treePush
   , treePop
+  , setNextItemOpen
 
     -- ** Selectables
   , selectable
@@ -169,6 +197,7 @@ module DearImGui.Raw
   , listBox
 
     -- * Data Plotting
+  , plotLines
   , plotHistogram
 
     -- ** Menus
@@ -197,7 +226,12 @@ module DearImGui.Raw
   , beginPopupModal
   , endPopup
   , openPopup
+  , openPopupOnItemClick
   , closeCurrentPopup
+  , beginPopupContextItem
+  , beginPopupContextWindow
+  , beginPopupContextVoid
+  , isPopupOpen
 
     -- * ID stack/scopes
   , pushIDInt
@@ -217,6 +251,7 @@ module DearImGui.Raw
   , getBackgroundDrawList
   , getForegroundDrawList
   , imCol32
+  , framerate
 
     -- * Types
   , module DearImGui.Enums
@@ -233,7 +268,7 @@ import System.IO.Unsafe
   ( unsafePerformIO )
 
 -- dear-imgui
-import DearImGui.Context
+import DearImGui.Raw.Context
   ( imguiContext )
 import DearImGui.Enums
 import DearImGui.Structs
@@ -662,27 +697,27 @@ combo labelPtr iPtr itemsPtr itemsLen = liftIO do
 
 
 -- | Wraps @ImGui::DragFloat()@
-dragFloat :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CFloat -> m Bool
+dragFloat :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CFloat -> CString -> m Bool
-dragFloat descPtr floatPtr speed minValue maxValue = liftIO do
+dragFloat descPtr floatPtr speed minValue maxValue formatPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { DragFloat( $(char* descPtr), $(float* floatPtr), $(float speed), $(float minValue), $(float maxValue)) } |]
+  (0 /=) <$> [C.exp| bool { DragFloat( $(char* descPtr), $(float* floatPtr), $(float speed), $(float minValue), $(float maxValue), $(char* formatPtr)) } |]
 
 
 -- | Wraps @ImGui::DragFloat2()@
-dragFloat2 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CFloat -> m Bool
+dragFloat2 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CFloat -> CString -> m Bool
-dragFloat2 descPtr floatPtr speed minValue maxValue = liftIO do
+dragFloat2 descPtr floatPtr speed minValue maxValue formatPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { DragFloat2( $(char* descPtr), $(float* floatPtr), $(float speed), $(float minValue), $(float maxValue)) } |]
+  (0 /=) <$> [C.exp| bool { DragFloat2( $(char* descPtr), $(float* floatPtr), $(float speed), $(float minValue), $(float maxValue), $(char* formatPtr)) } |]
 
 
 -- | Wraps @ImGui::DragFloat3()@
-dragFloat3 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CFloat -> m Bool
+dragFloat3 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CFloat -> CString -> m Bool
-dragFloat3 descPtr floatPtr speed minValue maxValue = liftIO do
+dragFloat3 descPtr floatPtr speed minValue maxValue formatPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { DragFloat3( $(char* descPtr), $(float* floatPtr), $(float speed), $(float minValue), $(float maxValue)) } |]
+  (0 /=) <$> [C.exp| bool { DragFloat3( $(char* descPtr), $(float* floatPtr), $(float speed), $(float minValue), $(float maxValue), $(char* formatPtr)) } |]
 
 
 -- | Wraps @ImGui::DragFloat4()@
-dragFloat4 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CFloat -> m Bool
+dragFloat4 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CFloat -> CString -> m Bool
-dragFloat4 descPtr floatPtr speed minValue maxValue = liftIO do
+dragFloat4 descPtr floatPtr speed minValue maxValue formatPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { DragFloat4( $(char* descPtr), $(float* floatPtr), $(float speed), $(float minValue), $(float maxValue)) } |]
+  (0 /=) <$> [C.exp| bool { DragFloat4( $(char* descPtr), $(float* floatPtr), $(float speed), $(float minValue), $(float maxValue), $(char* formatPtr)) } |]
 
 
 -- | Wraps @ImGui::DragFloatRange2()@
@@ -822,27 +857,27 @@ dragScalarN labelPtr dataType dataPtr components vSpeed minPtr maxPtr formatPtr
     maxPtr_ = castPtr maxPtr
 
 -- | Wraps @ImGui::SliderFloat()@
-sliderFloat :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> m Bool
+sliderFloat :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CString -> m Bool
-sliderFloat descPtr floatPtr minValue maxValue = liftIO do
+sliderFloat descPtr floatPtr minValue maxValue formatPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { SliderFloat( $(char* descPtr), $(float* floatPtr), $(float minValue), $(float maxValue)) } |]
+  (0 /=) <$> [C.exp| bool { SliderFloat( $(char* descPtr), $(float* floatPtr), $(float minValue), $(float maxValue), $(char* formatPtr)) } |]
 
 
 -- | Wraps @ImGui::SliderFloat2()@
-sliderFloat2 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> m Bool
+sliderFloat2 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CString -> m Bool
-sliderFloat2 descPtr floatPtr minValue maxValue = liftIO do
+sliderFloat2 descPtr floatPtr minValue maxValue formatPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { SliderFloat2( $(char* descPtr), $(float* floatPtr), $(float minValue), $(float maxValue)) } |]
+  (0 /=) <$> [C.exp| bool { SliderFloat2( $(char* descPtr), $(float* floatPtr), $(float minValue), $(float maxValue), $(char* formatPtr)) } |]
 
 
 -- | Wraps @ImGui::SliderFloat3()@
-sliderFloat3 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> m Bool
+sliderFloat3 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CString -> m Bool
-sliderFloat3 descPtr floatPtr minValue maxValue = liftIO do
+sliderFloat3 descPtr floatPtr minValue maxValue formatPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { SliderFloat3( $(char* descPtr), $(float* floatPtr), $(float minValue), $(float maxValue)) } |]
+  (0 /=) <$> [C.exp| bool { SliderFloat3( $(char* descPtr), $(float* floatPtr), $(float minValue), $(float maxValue), $(char* formatPtr)) } |]
 
 
 -- | Wraps @ImGui::SliderFloat4()@
-sliderFloat4 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> m Bool
+sliderFloat4 :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CString -> m Bool
-sliderFloat4 descPtr floatPtr minValue maxValue = liftIO do
+sliderFloat4 descPtr floatPtr minValue maxValue formatPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { SliderFloat4( $(char* descPtr), $(float* floatPtr), $(float minValue), $(float maxValue)) } |]
+  (0 /=) <$> [C.exp| bool { SliderFloat4( $(char* descPtr), $(float* floatPtr), $(float minValue), $(float maxValue), $(char* formatPtr)) } |]
 
 -- | Wraps @ImGui::SliderAngle()@
 sliderAngle :: (MonadIO m) => CString -> Ptr CFloat -> CFloat -> CFloat -> CString -> ImGuiSliderFlags -> m Bool
@@ -1063,6 +1098,128 @@ colorButton descPtr refPtr = liftIO do
   (0 /=) <$> [C.exp| bool { ColorButton( $(char* descPtr), *$(ImVec4* refPtr) ) } |]
 
 
+-- | Wraps @ImGui::BeginTable()@.
+beginTable :: MonadIO m => CString -> CInt -> ImGuiTableFlags -> Ptr ImVec2 -> CFloat -> m Bool
+beginTable labelPtr column flags outerSizePtr innerWidth = liftIO do
+  (0 /=) <$> [C.exp| bool { BeginTable($(char* labelPtr), $(int column), $(ImGuiTableFlags flags), *$(ImVec2* outerSizePtr), $(float innerWidth)) } |]
+
+-- | Only call 'endTable' if 'beginTable' returns true!
+--
+-- Wraps @ImGui::EndTable()@.
+endTable :: MonadIO m => m ()
+endTable = liftIO do
+  [C.exp| void { EndTable() } |]
+
+-- | Wraps @ImGui::TableNextRow()@.
+--   append into the first cell of a new row.
+tableNextRow :: MonadIO m => ImGuiTableRowFlags -> CFloat -> m ()
+tableNextRow flags minRowHeight = liftIO do
+  [C.exp| void { TableNextRow($(ImGuiTableRowFlags flags), $(float minRowHeight)) } |]
+
+-- | Wraps @ImGui::TableNextColumn()@.
+--   append into the next column (or first column of next row if currently in
+--   last column). Return true when column is visible.
+tableNextColumn :: MonadIO m => m Bool
+tableNextColumn = liftIO do
+  (0 /=) <$> [C.exp| bool { TableNextColumn() } |]
+
+-- | Wraps @ImGui::TableSetColumnIndex()@.
+--   append into the specified column. Return true when column is visible.
+tableSetColumnIndex :: MonadIO m => CInt -> m Bool
+tableSetColumnIndex column= liftIO do
+  (0 /=) <$> [C.exp| bool { TableSetColumnIndex($(int column)) } |]
+
+-- | Wraps @ImGui::TableSetupColumn()@.
+tableSetupColumn :: MonadIO m => CString -> ImGuiTableColumnFlags -> CFloat -> ImGuiID-> m ()
+tableSetupColumn labelPtr flags initWidthOrWeight userId = liftIO do
+  [C.exp| void { TableSetupColumn($(char* labelPtr), $(ImGuiTableColumnFlags flags), $(float initWidthOrWeight), $(ImGuiID userId)) } |]
+
+-- | Wraps @ImGui::TableSetupScrollFreeze()@.
+tableSetupScrollFreeze :: MonadIO m => CInt -> CInt -> m ()
+tableSetupScrollFreeze cols rows = liftIO do
+  [C.exp| void { TableSetupScrollFreeze($(int cols), $(int rows)) } |]
+
+-- | Wraps @ImGui::TableHeadersRow()@.
+--   submit all headers cells based on data provided to 'tableSetupColumn'
+--   + submit context menu
+tableHeadersRow :: MonadIO m => m ()
+tableHeadersRow = liftIO do
+  [C.exp| void { TableHeadersRow() } |]
+
+-- | Wraps @ImGui::TableHeader()@.
+--   submit one header cell manually (rarely used)
+tableHeader :: MonadIO m => CString -> m ()
+tableHeader labelPtr = liftIO do
+  [C.exp| void { TableHeader($(char* labelPtr)) } |]
+
+-- | Wraps @ImGui::TableGetSortSpecs()@.
+--   Low-level-Function. Better use the wrapper that outomatically conform
+--   to the things described below
+--
+--   Tables: Sorting
+--   - Call TableGetSortSpecs() to retrieve latest sort specs for the table.
+--     NULL when not sorting.
+--   - When 'SpecsDirty == true' you should sort your data. It will be true when
+--     sorting specs have changed since last call, or the first time. Make sure
+--     to set 'SpecsDirty = false' after sorting, else you may wastefully sort
+--     your data every frame!
+--   - Lifetime: don't hold on this pointer over multiple frames or past any
+--     subsequent call to BeginTable().
+tableGetSortSpecs :: MonadIO m => m (Maybe (Ptr ImGuiTableSortSpecs))
+tableGetSortSpecs = liftIO do
+  ptr <- [C.exp| ImGuiTableSortSpecs* { TableGetSortSpecs() } |]
+  if ptr == nullPtr then
+    return Nothing
+  else
+    return $ Just ptr
+
+tableClearSortSpecsDirty :: MonadIO m => Ptr ImGuiTableSortSpecs -> m ()
+tableClearSortSpecsDirty specsPtr = liftIO do
+  [C.block| void {
+    $(ImGuiTableSortSpecs* specsPtr)->SpecsDirty = false;
+  } |]
+
+-- | Wraps @ImGui::TableGetColumnCount()@.
+tableGetColumnCount :: MonadIO m => m CInt
+tableGetColumnCount = liftIO do
+  [C.exp| int { TableGetColumnCount() } |]
+
+-- | Wraps @ImGui::TableGetColumnIndex()@.
+tableGetColumnIndex :: MonadIO m => m CInt
+tableGetColumnIndex = liftIO do
+  [C.exp| int { TableGetColumnIndex() } |]
+
+-- | Wraps @ImGui::TableGetRowIndex()@.
+tableGetRowIndex :: MonadIO m => m CInt
+tableGetRowIndex = liftIO do
+  [C.exp| int { TableGetRowIndex() } |]
+
+-- | Wraps @ImGui::TableGetColumnName
+--   'Nothing' returns the current column name
+tableGetColumnName :: MonadIO m => Maybe CInt -> m CString
+tableGetColumnName Nothing = tableGetColumnName (Just (-1))
+tableGetColumnName (Just column_n) = liftIO do
+  [C.exp| const char* { TableGetColumnName($(int column_n)) } |]
+
+-- | Wraps @ImGui::TableGetRowIndex()@.
+--   'Nothing' returns the current column flags
+tableGetColumnFlags :: MonadIO m => Maybe CInt -> m ImGuiTableColumnFlags
+tableGetColumnFlags Nothing = tableGetColumnFlags (Just (-1))
+tableGetColumnFlags (Just column_n) = liftIO do
+  [C.exp| ImGuiTableColumnFlags { TableGetColumnFlags($(int column_n)) } |]
+
+-- | Wraps @ImGui::TableSetColumnEnabled()@.
+tableSetColumnEnabled :: MonadIO m => CInt -> CBool -> m ()
+tableSetColumnEnabled column_n v = liftIO do
+  [C.exp| void { TableSetColumnEnabled($(int column_n), $(bool v)) } |]
+
+-- | Wraps @ImGui::TableSetBgColor()@.
+--   'Nothing' sets the current row/column color
+tableSetBgColor :: MonadIO m => ImGuiTableBgTarget -> ImU32 -> Maybe CInt -> m ()
+tableSetBgColor target color Nothing = tableSetBgColor target color (Just (-1))
+tableSetBgColor target color (Just column_n) = liftIO do
+  [C.exp| void { TableSetBgColor($(ImGuiTableBgTarget target), $(ImU32 color), $(int column_n)) } |]
+
 -- | Wraps @ImGui::TreeNode()@.
 treeNode :: (MonadIO m) => CString -> m Bool
 treeNode labelPtr = liftIO do
@@ -1081,10 +1238,22 @@ treePop = liftIO do
   [C.exp| void { TreePop() } |]
 
 
+-- | Wraps @ImGui::SetNextItemOpen()@.
+setNextItemOpen :: (MonadIO m) => CBool -> m ()
+setNextItemOpen is_open = liftIO do
+  [C.exp| void { SetNextItemOpen($(bool is_open)) } |]
+
+-- -- | Wraps @ImGui::Selectable()@.
+-- selectable :: (MonadIO m) => CString -> m Bool
+-- selectable labelPtr = liftIO do
+--   (0 /=) <$> [C.exp| bool { Selectable($(char* labelPtr)) } |]
+
+
 -- | Wraps @ImGui::Selectable()@.
-selectable :: (MonadIO m) => CString -> m Bool
+selectable :: (MonadIO m) => CString -> CBool -> ImGuiSelectableFlags -> Ptr ImVec2 -> m Bool
-selectable labelPtr = liftIO do
+selectable labelPtr selected flags size = liftIO do
-  (0 /=) <$> [C.exp| bool { Selectable($(char* labelPtr)) } |]
+  (0 /=) <$> [C.exp| bool { Selectable($(char* labelPtr), $(bool selected), $(ImGuiSelectableFlags flags), *$(ImVec2 *size)) } |]
+
 
 
 -- | Wraps @ImGui::ListBox()@.
@@ -1092,6 +1261,10 @@ listBox :: (MonadIO m) => CString -> Ptr CInt -> Ptr CString -> CInt -> m Bool
 listBox labelPtr iPtr itemsPtr itemsLen = liftIO do
   (0 /=) <$> [C.exp| bool { ListBox($(char* labelPtr), $(int* iPtr), $(char** itemsPtr), $(int itemsLen)) }|]
 
+-- | Wraps @ImGui::PlotLines()@.
+plotLines :: (MonadIO m) => CString -> Ptr CFloat -> CInt -> m ()
+plotLines labelPtr valuesPtr valuesLen = liftIO do
+  [C.exp| void { PlotLines($(char* labelPtr), $(float* valuesPtr), $(int valuesLen)) } |]
 
 -- | Wraps @ImGui::PlotHistogram()@.
 plotHistogram :: (MonadIO m) => CString -> Ptr CFloat -> CInt -> m ()
@@ -1176,9 +1349,9 @@ endTabBar = liftIO do
 -- | Create a new tab. Returns @True@ if the tab is selected.
 --
 -- Wraps @ImGui::BeginTabItem@.
-beginTabItem :: (MonadIO m) => CString -> Ptr CBool -> ImGuiTabBarFlags -> m Bool
+beginTabItem :: (MonadIO m) => CString -> Ptr CBool -> ImGuiTabItemFlags -> m Bool
 beginTabItem namePtr refPtr flags = liftIO do
-  (0 /=) <$> [C.exp| bool { BeginTabItem($(char* namePtr), $(bool* refPtr), $(ImGuiTabBarFlags flags) ) } |]
+  (0 /=) <$> [C.exp| bool { BeginTabItem($(char* namePtr), $(bool* refPtr), $(ImGuiTabItemFlags flags) ) } |]
 
 
 -- | Finish appending elements to a tab. Only call if 'beginTabItem' returns @True@.
@@ -1253,6 +1426,16 @@ openPopup popupIdPtr = liftIO do
   [C.exp| void { OpenPopup($(char* popupIdPtr)) } |]
 
 
+-- | Open popup when clicked on last item.
+--
+-- Note: actually triggers on the mouse _released_ event to be consistent with popup behaviors.
+--
+-- Wraps @ImGui::OpenPopupOnItemClick()@
+openPopupOnItemClick :: (MonadIO m) => CString -> ImGuiPopupFlags-> m ()
+openPopupOnItemClick popupIdPtr flags = liftIO do
+  [C.exp| void { OpenPopupOnItemClick($(char* popupIdPtr), $(ImGuiPopupFlags flags)) } |]
+
+
 -- | Manually close the popup we have begin-ed into.
 --
 -- Wraps @ImGui::ClosePopup()@
@@ -1260,6 +1443,36 @@ closeCurrentPopup :: (MonadIO m) => m ()
 closeCurrentPopup = liftIO do
   [C.exp| void { CloseCurrentPopup() } |]
 
+-- | Open+begin popup when clicked on last item.
+--
+-- Use str_id==NULL to associate the popup to previous item.
+--
+-- If you want to use that on a non-interactive item such as 'text' you need to pass in an explicit ID here.
+beginPopupContextItem :: (MonadIO m) => CString -> ImGuiPopupFlags-> m Bool
+beginPopupContextItem popupIdPtr flags = liftIO do
+  (0 /=) <$> [C.exp| bool { BeginPopupContextItem($(char* popupIdPtr), $(ImGuiPopupFlags flags)) } |]
+
+-- | Open+begin popup when clicked on current window.
+beginPopupContextWindow :: (MonadIO m) => CString -> ImGuiPopupFlags-> m Bool
+beginPopupContextWindow popupIdPtr flags = liftIO do
+  (0 /=) <$> [C.exp| bool { BeginPopupContextWindow($(char* popupIdPtr), $(ImGuiPopupFlags flags)) } |]
+
+-- | Open+begin popup when clicked in void (where there are no windows).
+beginPopupContextVoid :: (MonadIO m) => CString -> ImGuiPopupFlags-> m Bool
+beginPopupContextVoid popupIdPtr flags = liftIO do
+  (0 /=) <$> [C.exp| bool { BeginPopupContextVoid($(char* popupIdPtr), $(ImGuiPopupFlags flags)) } |]
+
+-- | Query popup status
+--
+-- - return 'True' if the popup is open at the current 'beginPopup' level of the popup stack.
+-- - with 'ImGuiPopupFlags_AnyPopupId': return 'True' if any popup is open at the current 'beginPopup' level of the popup stack.
+-- - with 'ImGuiPopupFlags_AnyPopupId' | 'ImGuiPopupFlags_AnyPopupLevel': return 'True' if any popup is open.
+--
+-- Wraps @ImGui::IsPopupOpen()@
+isPopupOpen :: (MonadIO m) => CString -> ImGuiPopupFlags-> m Bool
+isPopupOpen popupIdPtr flags = liftIO do
+  (0 /=) <$> [C.exp| bool { IsPopupOpen($(char* popupIdPtr), $(ImGuiPopupFlags flags)) } |]
+
 
 -- | Is the last item hovered? (and usable, aka not blocked by a popup, etc.).
 --
@@ -1371,6 +1584,29 @@ setNextWindowBgAlpha alpha = liftIO do
   [C.exp| void { SetNextWindowBgAlpha($(float alpha)) } |]
 
 
+-- | Begin a block that may be disabled. This disables all user interactions
+-- and dims item visuals.
+--
+-- Always call a matching 'endDisabled' for each 'beginDisabled' call.
+--
+-- The boolean argument is only intended to facilitate use of boolean
+-- expressions. If you can avoid calling @beginDisabled 0@ altogether,
+-- that should be preferred.
+--
+-- Wraps @ImGui::BeginDisabled()@
+beginDisabled :: (MonadIO m) => CBool -> m ()
+beginDisabled disabled = liftIO do
+  [C.exp| void { BeginDisabled($(bool disabled)) } |]
+
+
+-- | Ends a block that may be disabled.
+--
+-- Wraps @ImGui::EndDisabled()@
+endDisabled :: (MonadIO m) => m ()
+endDisabled = liftIO do
+  [C.exp| void { EndDisabled() } |]
+
+
 -- | undo a sameLine or force a new line when in an horizontal-layout context.
 --
 -- Wraps @ImGui::NewLine()@
@@ -1462,6 +1698,20 @@ setCursorPos :: (MonadIO m) => Ptr ImVec2 -> m ()
 setCursorPos posPtr = liftIO do
   [C.exp| void { SetCursorPos(*$(ImVec2* posPtr)) } |]
 
+-- | Get cursor position in window-local coordinates.
+--
+-- Useful to overlap draw using 'setCursorPos'.
+--
+-- Wraps @ImGui::SetCursorPos()@
+getCursorPos :: (MonadIO m) => m ImVec2
+getCursorPos = liftIO do
+  C.withPtr_ \ptr ->
+    [C.block|
+      void {
+        *$(ImVec2 * ptr) = GetCursorPos();
+      }
+    |]
+
 -- | Cursor position in absolute coordinates.
 --
 -- Useful to work with 'DrawList' API.
@@ -1555,6 +1805,12 @@ wantCaptureKeyboard :: MonadIO m => m Bool
 wantCaptureKeyboard = liftIO do
   (0 /=) <$> [C.exp| bool { GetIO().WantCaptureKeyboard } |]
 
+-- | Estimate of application framerate (rolling average over 60 frames), in
+-- frame per second. Solely for convenience.
+framerate :: MonadIO m => m Float
+framerate = liftIO do
+  realToFrac <$> [C.exp| float { GetIO().Framerate } |]
+
 -- | This draw list will be the first rendering one.
 --
 -- Useful to quickly draw shapes/text behind dear imgui contents.

src/DearImGui/Raw/Context.hs

@@ -6,7 +6,7 @@
 {-# language PatternSynonyms #-}
 {-# language TemplateHaskell #-}
 
-module DearImGui.Context where
+module DearImGui.Raw.Context where
 
 -- containers
 import qualified Data.Map.Strict as Map
@@ -34,6 +34,7 @@ imguiContext = mempty
       , ( TypeName "ImVec3", [t| ImVec3 |] )
       , ( TypeName "ImVec4", [t| ImVec4 |] )
       , ( TypeName "ImU32", [t| ImU32 |] )
+      , ( TypeName "ImGuiID", [t| ImGuiID |] )
       , ( TypeName "ImWchar", [t| ImWchar |] )
       , ( TypeName "ImDrawList", [t| ImDrawList |] )
       , ( TypeName "ImGuiContext", [t| ImGuiContext |] )
@@ -41,5 +42,6 @@ imguiContext = mempty
       , ( TypeName "ImFontConfig", [t| ImFontConfig |] )
       , ( TypeName "ImFontGlyphRangesBuilder", [t| ImFontGlyphRangesBuilder |] )
       , ( TypeName "ImGuiListClipper", [t| ImGuiListClipper |] )
+      , ( TypeName "ImGuiTableSortSpecs", [t| ImGuiTableSortSpecs |] )
       ]
   }

src/DearImGui/Raw/DrawList.hs

@@ -115,7 +115,7 @@ import Foreign hiding (new)
 import Foreign.C
 
 -- dear-imgui
-import DearImGui.Context
+import DearImGui.Raw.Context
   ( imguiContext )
 import DearImGui.Enums
 import DearImGui.Structs

src/DearImGui/Raw/Font.hs

@@ -41,7 +41,7 @@ import Foreign ( Ptr, castPtr )
 import Foreign.C
 
 -- dear-imgui
-import DearImGui.Context
+import DearImGui.Raw.Context
   ( imguiContext )
 import DearImGui.Structs
 import DearImGui.Raw.Font.Config

src/DearImGui/Raw/Font/Config.hs

@@ -46,7 +46,7 @@ import Foreign ( Ptr )
 import Foreign.C
 
 -- dear-imgui
-import DearImGui.Context
+import DearImGui.Raw.Context
   ( imguiContext )
 import DearImGui.Structs
 import DearImGui.Raw.Font.GlyphRanges

src/DearImGui/Raw/Font/GlyphRanges.hs

@@ -75,7 +75,7 @@ import Foreign.C
 import System.IO.Unsafe (unsafePerformIO)
 
 -- dear-imgui
-import DearImGui.Context
+import DearImGui.Raw.Context
   ( imguiContext )
 import DearImGui.Structs
 

src/DearImGui/Raw/IO.hs

@@ -39,7 +39,7 @@ import Foreign.C
   )
 
 -- dear-imgui
-import DearImGui.Context
+import DearImGui.Raw.Context
   ( imguiContext )
 -- import DearImGui.Enums
 -- import DearImGui.Structs
@@ -120,14 +120,11 @@ setUserData ptr = liftIO do
 
 {- TODO:
 
-bool   WantCaptureMouse;         // Set when Dear ImGui will use mouse inputs, in this case do not dispatch them to your main game/application (either way, always pass on mouse inputs to imgui). (e.g. unclicked mouse is hovering over an imgui window, widget is active, mouse was clicked over an imgui window, etc.).
-bool   WantCaptureKeyboard;      // Set when Dear ImGui will use keyboard inputs, in this case do not dispatch them to your main game/application (either way, always pass keyboard inputs to imgui). (e.g. InputText active, or an imgui window is focused and navigation is enabled, etc.).
 bool   WantTextInput;            // Mobile/console: when set, you may display an on-screen keyboard. This is set by Dear ImGui when it wants textual keyboard input to happen (e.g. when a InputText widget is active).
 bool   WantSetMousePos;          // MousePos has been altered, backend should reposition mouse on next frame. Rarely used! Set only when ImGuiConfigFlags_NavEnableSetMousePos flag is enabled.
 bool   WantSaveIniSettings;      // When manual .ini load/save is active (io.IniFilename == NULL), this will be set to notify your application that you can call SaveIniSettingsToMemory() and save yourself. Important: clear io.WantSaveIniSettings yourself after saving!
 bool   NavActive;                // Keyboard/Gamepad navigation is currently allowed (will handle ImGuiKey_NavXXX events) = a window is focused and it doesn't use the ImGuiWindowFlags_NoNavInputs flag.
 bool   NavVisible;               // Keyboard/Gamepad navigation is visible and allowed (will handle ImGuiKey_NavXXX events).
-float  Framerate;                // Rough estimate of application framerate, in frame per second. Solely for convenience. Rolling average estimation based on io.DeltaTime over 120 frames.
 int    MetricsRenderVertices;    // Vertices output during last call to Render()
 int    MetricsRenderIndices;     // Indices output during last call to Render() = number of triangles * 3
 int    MetricsRenderWindows;     // Number of visible windows

src/DearImGui/Raw/ListClipper.hs

@@ -59,7 +59,7 @@ import Foreign.C
 import System.IO.Unsafe (unsafePerformIO)
 
 -- dear-imgui
-import DearImGui.Context
+import DearImGui.Raw.Context
   ( imguiContext )
 import DearImGui.Structs
   ( ImGuiListClipper )

src/DearImGui/SDL.hs

@@ -21,12 +21,14 @@ module DearImGui.SDL (
   , sdl2Shutdown
   , pollEventWithImGui
   , pollEventsWithImGui
+    -- *** Raw
+  , dispatchRawEvent
   )
   where
 
 -- base
 import Control.Monad
-  ( when )
+  ( void, when )
 import Foreign.Marshal.Alloc
   ( alloca )
 import Foreign.Ptr
@@ -42,6 +44,7 @@ import qualified Language.C.Inline.Cpp as Cpp
 import SDL
 import SDL.Raw.Enum as Raw
 import qualified SDL.Raw.Event as Raw
+import qualified SDL.Raw.Types as Raw
 
 -- transformers
 import Control.Monad.IO.Class
@@ -50,7 +53,7 @@ import Control.Monad.IO.Class
 
 C.context (Cpp.cppCtx <> C.bsCtx)
 C.include "imgui.h"
-C.include "backends/imgui_impl_sdl.h"
+C.include "backends/imgui_impl_sdl2.h"
 C.include "SDL.h"
 Cpp.using "namespace ImGui"
 
@@ -77,11 +80,24 @@ pollEventWithImGui = liftIO do
     nEvents <- Raw.peepEvents evPtr 1 Raw.SDL_PEEKEVENT Raw.SDL_FIRSTEVENT Raw.SDL_LASTEVENT
 
     when (nEvents > 0) do
-      let evPtr' = castPtr evPtr :: Ptr ()
+      void $ dispatchRawEvent evPtr
-      [C.exp| void { ImGui_ImplSDL2_ProcessEvent((SDL_Event*) $(void* evPtr')) } |]
 
     pollEvent
 
+-- | Dispatch a raw 'Raw.Event' value to Dear ImGui.
+--
+-- You may want this function instead of 'pollEventWithImGui' if you do not use
+-- @sdl2@'s higher-level 'Event' type (e.g. your application has its own polling
+-- mechanism).
+--
+-- __It is your application's responsibility to both manage the input__
+-- __pointer's memory and to fill the memory location with a raw 'Raw.Event'__
+-- __value.__
+dispatchRawEvent :: MonadIO m => Ptr Raw.Event -> m Bool
+dispatchRawEvent evPtr = liftIO do
+  let evPtr' = castPtr evPtr :: Ptr ()
+  (0 /=) <$> [C.exp| bool { ImGui_ImplSDL2_ProcessEvent((const SDL_Event*) $(void* evPtr')) } |]
+
 -- | Like the SDL2 'pollEvents' function, while also dispatching the events to
 -- Dear ImGui. See 'pollEventWithImGui'.
 pollEventsWithImGui :: MonadIO m => m [Event]

src/DearImGui/SDL/OpenGL.hs

@@ -42,7 +42,7 @@ import Control.Monad.IO.Class
 C.context (Cpp.cppCtx <> C.bsCtx)
 C.include "imgui.h"
 C.include "backends/imgui_impl_opengl2.h"
-C.include "backends/imgui_impl_sdl.h"
+C.include "backends/imgui_impl_sdl2.h"
 C.include "SDL.h"
 C.include "SDL_opengl.h"
 Cpp.using "namespace ImGui"

src/DearImGui/SDL/Renderer.hs

@@ -0,0 +1,74 @@
+{-# LANGUAGE BlockArguments #-}
+{-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE PatternSynonyms #-}
+{-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE TemplateHaskell #-}
+
+{-|
+Module: DearImGUI.SDL.Renderer
+
+Initialising the SDL2 renderer backend for Dear ImGui.
+-}
+
+module DearImGui.SDL.Renderer
+  ( sdl2InitForSDLRenderer
+  , sdlRendererInit
+  , sdlRendererShutdown
+  , sdlRendererNewFrame
+  , sdlRendererRenderDrawData
+  )
+  where
+
+-- inline-c
+import qualified Language.C.Inline as C
+
+-- inline-c-cpp
+import qualified Language.C.Inline.Cpp as Cpp
+
+-- sdl2
+import SDL.Internal.Types
+  ( Renderer(..), Window(..) )
+
+-- transformers
+import Control.Monad.IO.Class
+  ( MonadIO, liftIO )
+
+-- DearImGui
+import DearImGui
+  ( DrawData(..) )
+
+
+C.context (Cpp.cppCtx <> C.bsCtx)
+C.include "imgui.h"
+C.include "backends/imgui_impl_sdlrenderer2.h"
+C.include "backends/imgui_impl_sdl2.h"
+C.include "SDL.h"
+Cpp.using "namespace ImGui"
+
+
+-- | Wraps @ImGui_ImplSDL2_InitForSDLRenderer@.
+sdl2InitForSDLRenderer :: MonadIO m => Window -> Renderer -> m Bool
+sdl2InitForSDLRenderer (Window windowPtr) (Renderer renderPtr) = liftIO do
+  (0 /=) <$> [C.exp| bool { ImGui_ImplSDL2_InitForSDLRenderer((SDL_Window*)$(void* windowPtr), (SDL_Renderer*)$(void* renderPtr)) } |]
+
+-- | Wraps @ImGui_ImplSDLRenderer2_Init@.
+sdlRendererInit :: MonadIO m => Renderer -> m Bool
+sdlRendererInit (Renderer renderPtr) = liftIO do
+  (0 /=) <$> [C.exp| bool { ImGui_ImplSDLRenderer2_Init((SDL_Renderer*)$(void* renderPtr)) } |]
+
+-- | Wraps @ImGui_ImplSDLRenderer2_Shutdown@.
+sdlRendererShutdown :: MonadIO m => m ()
+sdlRendererShutdown = liftIO do
+  [C.exp| void { ImGui_ImplSDLRenderer2_Shutdown(); } |]
+
+-- | Wraps @ImGui_ImplSDLRenderer2_NewFrame@.
+sdlRendererNewFrame :: MonadIO m => m ()
+sdlRendererNewFrame = liftIO do
+  [C.exp| void { ImGui_ImplSDLRenderer2_NewFrame(); } |]
+
+-- | Wraps @ImGui_ImplSDLRenderer2_RenderDrawData@.
+sdlRendererRenderDrawData :: MonadIO m => DrawData -> m ()
+sdlRendererRenderDrawData (DrawData ptr) = liftIO do
+  [C.exp| void { ImGui_ImplSDLRenderer2_RenderDrawData((ImDrawData*) $( void* ptr )) } |]

src/DearImGui/SDL/Vulkan.hs

@@ -33,7 +33,7 @@ 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_sdl.h"
+C.include "backends/imgui_impl_sdl2.h"
 C.include "SDL.h"
 C.include "SDL_vulkan.h"
 Cpp.using "namespace ImGui"

src/DearImGui/Structs.hs

@@ -1,13 +1,25 @@
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE RecordWildCards #-}
+{-# LANGUAGE CPP #-}
 
 module DearImGui.Structs where
 
 -- base
 import Data.Word
-  ( Word32, Word16 )
+  ( Word32
+#ifndef IMGUI_USE_WCHAR32
+  , Word16
+#endif
+  )
+
 import Foreign
-  ( Storable(..), castPtr, plusPtr )
+  ( Storable(..), castPtr, plusPtr, Ptr, Int16, nullPtr )
+import Foreign.C
+  ( CInt, CBool )
+
+import DearImGui.Enums
+import Data.Bits ((.&.))
 
 --------------------------------------------------------------------------------
 data ImVec2 = ImVec2 { x, y :: {-# unpack #-} !Float }
@@ -92,9 +104,111 @@ data ImDrawList
 -- | 'DearImGui.Raw.ListClipper.ListClipper' pointer tag.
 data ImGuiListClipper
 
+-- | A unique ID used by widgets (typically the result of hashing a stack of string)
+--   unsigned Integer (same as ImU32)
+type ImGuiID = ImU32
+
 -- | 32-bit unsigned integer (often used to store packed colors).
 type ImU32 = Word32
 
+type ImS16 = Int16
+
 -- | Single wide character (used mostly in glyph management)
+#ifdef IMGUI_USE_WCHAR32
+type ImWchar = Word32
+#else
 type ImWchar = Word16
--- FIXME: consider IMGUI_USE_WCHAR32
+#endif
+
+--------------------------------------------------------------------------------
+
+-- | Sorting specifications for a table (often handling sort specs for a single column, occasionally more)
+--   Obtained by calling TableGetSortSpecs().
+--   When @SpecsDirty == true@ you can sort your data. It will be true with sorting specs have changed since last call, or the first time.
+--   Make sure to set @SpecsDirty = false@ after sorting, else you may wastefully sort your data every frame!
+data ImGuiTableSortSpecs = ImGuiTableSortSpecs
+  { specs      :: Ptr ImGuiTableColumnSortSpecs
+  , specsCount :: CInt
+  , specsDirty :: CBool
+  } deriving (Show, Eq)
+
+instance Storable ImGuiTableSortSpecs where
+  sizeOf _ =
+    sizeOf (undefined :: Ptr ImGuiTableColumnSortSpecs) +
+    sizeOf (undefined :: CInt) +
+    sizeOf (undefined :: CBool)
+
+  alignment _ =
+    alignment nullPtr
+
+  poke ptr ImGuiTableSortSpecs{..} = do
+    let specsPtr = castPtr ptr
+    poke specsPtr specs
+
+    let specsCountPtr = castPtr $ specsPtr `plusPtr` sizeOf specs
+    poke specsCountPtr specsCount
+
+    let specsDirtyPtr = castPtr $ specsCountPtr `plusPtr` sizeOf specsCount
+    poke specsDirtyPtr specsDirty
+
+  peek ptr = do
+    let specsPtr = castPtr ptr
+    specs <- peek specsPtr
+
+    let specsCountPtr = castPtr $ specsPtr `plusPtr` sizeOf specs
+    specsCount <- peek specsCountPtr
+
+    let specsDirtyPtr = castPtr $ specsCountPtr `plusPtr` sizeOf specsCount
+    specsDirty <- peek specsDirtyPtr
+
+    pure ImGuiTableSortSpecs{..}
+
+-- | Sorting specification for one column of a table
+data ImGuiTableColumnSortSpecs = ImGuiTableColumnSortSpecs
+  { columnUserID  :: ImGuiID            -- ^ User id of the column (if specified by a TableSetupColumn() call)
+  , columnIndex   :: ImS16              -- ^ Index of the column
+  , sortOrder     :: ImS16              -- ^ Index within parent ImGuiTableSortSpecs (always stored in order starting from 0, tables sorted on a single criteria will always have a 0 here)
+  , sortDirection :: ImGuiSortDirection -- ^ 'ImGuiSortDirection_Ascending' or 'ImGuiSortDirection_Descending'
+  } deriving (Show, Eq)
+
+instance Storable ImGuiTableColumnSortSpecs where
+  sizeOf _ = 12
+  alignment _ = 4
+
+  poke ptr ImGuiTableColumnSortSpecs{..} = do
+    let columnUserIDPtr = castPtr ptr
+    poke columnUserIDPtr columnUserID
+
+    let columnIndexPtr = castPtr $ columnUserIDPtr `plusPtr` sizeOf columnUserID
+    poke columnIndexPtr columnIndex
+
+    let sortOrderPtr = castPtr $ columnIndexPtr `plusPtr` sizeOf columnIndex
+    poke sortOrderPtr sortOrder
+
+    let sortDirectionPtr = castPtr $ sortOrderPtr `plusPtr` sizeOf sortOrder
+    poke sortDirectionPtr sortDirection
+
+  peek ptr = do
+    let columnUserIDPtr = castPtr ptr
+    columnUserID <- peek columnUserIDPtr
+
+    let columnIndexPtr = castPtr $ columnUserIDPtr `plusPtr` sizeOf columnUserID
+    columnIndex <- peek columnIndexPtr
+
+    let sortOrderPtr = castPtr $ columnIndexPtr `plusPtr` sizeOf columnIndex
+    sortOrder <- peek sortOrderPtr
+
+    let sortDirectionPtr = castPtr $ sortOrderPtr `plusPtr` sizeOf sortOrder
+    sortDirection' <- peek sortDirectionPtr :: IO CInt
+    -- XXX: Specs struct uses trimmed field: @SortDirection : 8@
+    let sortDirection = case sortDirection' .&. 0xFF of
+          0 ->
+            ImGuiSortDirection_None
+          1 ->
+            ImGuiSortDirection_Ascending
+          2 ->
+            ImGuiSortDirection_Descending
+          _ ->
+            error $ "Unexpected value for ImGuiSortDirection: " <> show sortDirection
+
+    pure ImGuiTableColumnSortSpecs{..}

src/DearImGui/Vulkan.hs

@@ -19,6 +19,8 @@ module DearImGui.Vulkan
   , vulkanCreateFontsTexture
   , vulkanDestroyFontUploadObjects
   , vulkanSetMinImageCount
+
+  , vulkanAddTexture
   )
   where
 
@@ -32,7 +34,7 @@ import Foreign.Marshal.Alloc
 import Foreign.Ptr
   ( FunPtr, Ptr, freeHaskellFunPtr, nullPtr )
 import Foreign.Storable
-  ( Storable(poke) )
+  ( poke )
 
 -- inline-c
 import qualified Language.C.Inline as C
@@ -92,7 +94,7 @@ withVulkan initInfo renderPass action =
     ( \ ( _, initResult ) -> action initResult )
 
 -- | Wraps @ImGui_ImplVulkan_Init@.
--- 
+--
 -- Use 'vulkanShutdown' to clean up on shutdown.
 -- Prefer using 'withVulkan' when possible, as it automatically handles cleanup.
 vulkanInit :: MonadIO m => InitInfo -> Vulkan.RenderPass -> m (FunPtr (Vulkan.Result -> IO ()), Bool)
@@ -132,6 +134,8 @@ vulkanInit ( InitInfo {..} ) renderPass = do
           initInfo.MSAASamples = $(VkSampleCountFlagBits msaaSamples);
           initInfo.Allocator = $(VkAllocationCallbacks* callbacksPtr);
           initInfo.CheckVkResultFn = $( void (*checkResultFunPtr)(VkResult) );
+          initInfo.UseDynamicRendering = false;
+          // TODO: initInfo.ColorAttachmentFormat
           return ImGui_ImplVulkan_Init(&initInfo, $(VkRenderPass renderPass) );
         }|]
     pure ( checkResultFunPtr, initResult /= 0 )
@@ -184,3 +188,16 @@ vulkanDestroyFontUploadObjects = liftIO do
 vulkanSetMinImageCount :: MonadIO m => Word32 -> m ()
 vulkanSetMinImageCount minImageCount = liftIO do
   [C.exp| void { ImGui_ImplVulkan_SetMinImageCount($(uint32_t minImageCount)); } |]
+
+-- | Wraps @ImGui_ImplVulkan_AddTexture@.
+vulkanAddTexture :: MonadIO m => Vulkan.Sampler -> Vulkan.ImageView -> Vulkan.ImageLayout -> m Vulkan.DescriptorSet
+vulkanAddTexture sampler imageView imageLayout = liftIO do
+  [C.block|
+    VkDescriptorSet {
+      return ImGui_ImplVulkan_AddTexture(
+        $(VkSampler sampler),
+        $(VkImageView imageView),
+        $(VkImageLayout imageLayout)
+      );
+    }
+  |]

src/DearImGui/Vulkan/Types.hs

@@ -31,6 +31,10 @@ vulkanTypesTable = Map.fromList
   , ( C.TypeName "VkRenderPass"         , [t| Vulkan.RenderPass          |] )
   , ( C.TypeName "VkResult"             , [t| Vulkan.Result              |] )
   , ( C.TypeName "VkSampleCountFlagBits", [t| Vulkan.SampleCountFlagBits |] )
+  , ( C.TypeName "VkSampler"            , [t| Vulkan.Sampler             |] )
+  , ( C.TypeName "VkImageView"          , [t| Vulkan.ImageView           |] )
+  , ( C.TypeName "VkImageLayout"        , [t| Vulkan.ImageLayout         |] )
+  , ( C.TypeName "VkDescriptorSet"      , [t| Vulkan.DescriptorSet       |] )
   ]
 
 vulkanCtx :: C.Context