MVP

- BeginPopupContextItem
- BeginPopupContextWindow
- BeginPopupContextVoid

For #132

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "imgui"]
 	path = imgui
 	url = https://github.com/ocornut/imgui
+[submodule "implot"]
+	path = implot
+	url = https://github.com/epezent/implot.git

ChangeLog.md

@@ -1,5 +1,17 @@
 # Changelog for dear-imgui
 
+## [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 +19,7 @@
 
 ## [1.2.2]
 
-- `imgui` updated to 1.85.
+- `imgui` updated to [1.85].
 
 ## [1.2.1]
 
@@ -29,7 +41,7 @@
 
 ## [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 +56,7 @@
 
 ## [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 +66,11 @@ 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
+
+[1.87]: 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

dear-imgui.cabal

@@ -1,7 +1,7 @@
 cabal-version: 3.0
 
 name: dear-imgui
-version: 1.3.0
+version: 1.4.0
 author: Oliver Charles
 maintainer: ollie@ocharles.org.uk, aenor.realm@gmail.com
 license: BSD-3-Clause
@@ -22,9 +22,11 @@ extra-source-files:
   imgui/backends/*.h,
   imgui/backends/*.mm,
   imgui/imconfig.h,
-  imgui/LICENSE.txt
+  imgui/LICENSE.txt,
+  implot/*.h,
+  implot/LICENSE
 
-common build-flags
+common exe-flags
   if flag(debug)
     if os(linux)
       ghc-options: -Wall -g -rtsopts -dcore-lint -debug
@@ -50,7 +52,6 @@ common build-flags
       ghc-options: -Wall -O2
       cc-options: -O2
 
-
 source-repository head
   type: git
   location: https://github.com/haskell-game/dear-imgui.hs
@@ -111,6 +112,22 @@ 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
+
 common common
   build-depends:
       base
@@ -125,6 +142,7 @@ library
   exposed-modules:
     DearImGui
     DearImGui.FontAtlas
+    DearImGui.Plot
     DearImGui.Raw
     DearImGui.Raw.DrawList
     DearImGui.Raw.Font
@@ -132,6 +150,7 @@ library
     DearImGui.Raw.Font.GlyphRanges
     DearImGui.Raw.ListClipper
     DearImGui.Raw.IO
+    DearImGui.Raw.Plot
   other-modules:
     DearImGui.Context
     DearImGui.Enums
@@ -143,10 +162,14 @@ library
     imgui/imgui_draw.cpp
     imgui/imgui_tables.cpp
     imgui/imgui_widgets.cpp
+    implot/implot.cpp
+    implot/implot_demo.cpp
+    implot/implot_items.cpp
   extra-libraries:
     stdc++
   include-dirs:
     imgui
+    implot
   build-depends:
       dear-imgui-generator
     , containers
@@ -157,6 +180,13 @@ library
     , unliftio
     , vector
 
+  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(opengl2)
     exposed-modules:
       DearImGui.OpenGL2
@@ -273,7 +303,7 @@ library dear-imgui-generator
         >= 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))
@@ -282,7 +312,7 @@ 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
@@ -292,7 +322,7 @@ executable glfw
     build-depends: base, GLFW-b, gl, dear-imgui, managed
 
 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 +330,7 @@ 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
@@ -308,7 +338,7 @@ 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
@@ -316,7 +346,7 @@ executable image
     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
@@ -350,3 +380,5 @@ executable vulkan
          ^>= 3.9
       , vulkan-utils
          ^>= 0.4.1
+      , VulkanMemoryAllocator
+      , JuicyPixels

examples/glfw/Main.hs

@@ -64,9 +64,14 @@ mainLoop win = do
       text "Hello, ImGui!"
 
       -- Add a button widget, and call 'putStrLn' when it's clicked
-      button "Clickety Click" >>= \case
-        False -> return ()
-        True  -> putStrLn "Ow!"
+      clicking <- button "Clickety Click"
+      when clicking $
+        putStrLn "Ow!"
+      itemContextPopup do
+        text "pop!"
+        button "ok" >>= \clicked ->
+          when clicked $
+            closeCurrentPopup
 
     -- Show the ImGui demo window
     showDemoWindow

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.Zero      as Vulkan
+import qualified Vulkan.Exception      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 = do
+gui :: MonadUnliftIO m => (ImGui.Raw.ImVec2, Ptr ()) ->  m ImGui.DrawData
+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
@@ -275,6 +305,80 @@ 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 +412,96 @@ 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
-    _ <- ImGui.Vulkan.vulkanCreateFontsTexture fontUploadCommandBuffer
-    endCommandBuffer fontUploadCommandBuffer
+    beginCommandBuffer oneshotCommandBuffer
+    _ <- ImGui.Vulkan.vulkanCreateFontsTexture oneshotCommandBuffer
+
+    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 +541,7 @@ 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

@@ -74,9 +74,15 @@ headers = $( do
   basicHeaders <- TH.runIO do
     headersPath  <- canonicalizePath ( takeDirectory currentPath <> "/../../imgui/imgui.h" )
     headersSource <- Text.readFile headersPath
-    tokens <- case tokenise headersSource of
+    tokensImGui <- case tokenise headersSource of
       Left  err  -> error ( "Couldn't tokenise Dear ImGui headers:\n\n" <> show err )
       Right toks -> pure toks
+    headersPath  <- canonicalizePath ( takeDirectory currentPath <> "/../../implot/implot.h" )
+    headersSource <- Text.readFile headersPath
+    tokensImPlot <- case tokenise headersSource of
+      Left  err  -> error ( "Couldn't tokenise Dear ImPlot headers:\n\n" <> show err )
+      Right toks -> pure toks
+    let tokens = tokensImGui<>tokensImPlot
     case Megaparsec.parse Parser.headers "" tokens of
       Left  err -> do
         let

generator/DearImGui/Generator/Parser.hs

@@ -146,6 +146,8 @@ headers = do
 
   _ <- skipManyTill anySingle ( namedSection "Viewports" )
 
+  _ <- skipManyTill anySingle ( namedSection "Platform Dependent Interfaces" ) -- XXX: since 1.87
+
   _ <- skipManyTill anySingle ( namedSection "Obsolete functions and types" )
 
   let
@@ -254,13 +256,21 @@ 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
-      case mbVal of
+        EnumState{enumValues} <- get
+        integerExpression enumValues
+
+      countVal <- case mbVal of
         Nothing -> currEnumTag <$> get
         Just ct -> pure ct
+
+      modify' ( \ st -> st { enumValues = HashMap.insert idName countVal ( enumValues st ) } )
+      pure countVal
+
     value :: StateT EnumState m ( Text, Integer )
     value = do
       name <- identifier
@@ -271,13 +281,16 @@ patternNameAndValue enumName =
     patternRHS =
       ( do
         reservedSymbol '='
-        try integerExpression <|> try disjunction
+        EnumState{enumValues} <- get
+        try disjunction <|> try (integerExpression enumValues)
       )
       <|> ( currEnumTag <$> 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 +340,53 @@ 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 = try integerPower <|> integer
-
-integerPower :: MonadParsec e [ Tok ] m => m Integer
-integerPower = do
-  a <- integer
-  _ <- symbol "<<"
-  i <- integer
-  pure ( a `shiftL` fromIntegral i )
-
-integer :: forall e m. MonadParsec e [ Tok ] m => m Integer
-integer =
-  option id mkSign <*>
-    token
-      ( \ case {
-        Number i suff
-          | Just  _  <- toBoundedInteger @Int64 i
-          , Right i' <- floatingOrInteger @Float @Integer i
-          , not ( Text.any ( (== 'f' ) . toLower ) suff )
-          -> Just i';
-         _ -> Nothing
-        }
-      )
-      mempty
-    <?> "integer"
+integerExpression :: MonadParsec e [ Tok ] m => HashMap Text Integer -> m Integer
+integerExpression enums = try integerPower <|> try integerAdd <|> try integerSub <|> integer
   where
-    mkSign :: m ( Integer -> Integer )
-    mkSign = ( symbol "+" $> id ) <|> ( symbol "-" $> negate )
+    integerPower :: MonadParsec e [ Tok ] m => m Integer
+    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 =

src/DearImGui.hs

@@ -190,6 +190,9 @@ module DearImGui
 
     -- ** Selectables
   , selectable
+  , selectableWith
+  , SelectableOptions(..)
+  , defSelectableOptions
 
     -- ** List Boxes
   , listBox
@@ -234,19 +237,46 @@ module DearImGui
   , Raw.endTooltip
 
     -- * Popups/Modals
+
+    -- ** Generic
   , withPopup
   , withPopupOpen
   , beginPopup
+  , Raw.endPopup
 
+    -- ** Modal
   , withPopupModal
   , withPopupModalOpen
   , beginPopupModal
 
-  , Raw.endPopup
+    -- ** Item context
+  , itemContextPopup
+  , withPopupContextItemOpen
+  , withPopupContextItem
+  , beginPopupContextItem
 
+    -- ** Window context
+  , windowContextPopup
+  , withPopupContextWindowOpen
+  , withPopupContextWindow
+  , beginPopupContextWindow
+
+    -- ** Void context
+  , voidContextPopup
+  , withPopupContextVoidOpen
+  , withPopupContextVoid
+  , beginPopupContextVoid
+
+    -- ** Manual
   , openPopup
+  , openPopupOnItemClick
   , Raw.closeCurrentPopup
 
+    -- ** Queries
+  , isCurrentPopupOpen
+  , isAnyPopupOpen
+  , isAnyLevelPopupOpen
+
     -- * Item/Widgets Utilities
   , Raw.isItemHovered
   , Raw.wantCaptureMouse
@@ -264,6 +294,9 @@ module DearImGui
   , Raw.getForegroundDrawList
   , Raw.imCol32
 
+    -- * Plotting
+  , module DearImGui.Plot
+
     -- * Types
   , module DearImGui.Enums
   , module DearImGui.Structs
@@ -285,6 +318,7 @@ import System.IO
 -- dear-imgui
 import DearImGui.Enums
 import DearImGui.Structs
+import DearImGui.Plot
 import qualified DearImGui.Raw as Raw
 import qualified DearImGui.Raw.Font as Raw.Font
 import qualified DearImGui.Raw.ListClipper as Raw.ListClipper
@@ -1257,10 +1291,25 @@ treePush label = liftIO do
   withCString label Raw.treePush
 
 
--- | Wraps @ImGui::Selectable()@.
+-- | Wraps @ImGui::Selectable()@ with default options.
 selectable :: MonadIO m => String -> m Bool
-selectable label = liftIO do
-  withCString label Raw.selectable
+selectable = selectableWith defSelectableOptions
+
+data SelectableOptions = SelectableOptions
+                       { selected :: Bool
+                       , flags :: ImGuiSelectableFlags
+                       , size :: ImVec2
+                       } deriving Show
+
+defSelectableOptions :: SelectableOptions
+defSelectableOptions = SelectableOptions False (ImGuiSelectableFlags 0) (ImVec2 0 0)
+
+-- | Wraps @ImGui::Selectable()@ with explicit options.
+selectableWith :: MonadIO m => SelectableOptions -> String -> m Bool
+selectableWith (SelectableOptions selected flags size) label = liftIO do
+  with size $ \sizePtr ->
+    withCString label $ \labelPtr -> 
+      Raw.selectable labelPtr (bool 0 1 selected) flags sizePtr
 
 
 listBox :: (MonadIO m, HasGetter ref Int, HasSetter ref Int) => String -> ref -> [String] -> m Bool
@@ -1479,6 +1528,52 @@ withPopupModalOpen :: MonadUnliftIO m => String -> m () -> m ()
 withPopupModalOpen popupId action =
   withPopupModal popupId (`when` action)
 
+beginPopupContextItem :: MonadIO m => Maybe String -> ImGuiPopupFlags -> m Bool
+beginPopupContextItem itemId flags = liftIO do
+  withCStringOrNull itemId \popupIdPtr ->
+    Raw.beginPopupContextItem popupIdPtr flags
+
+withPopupContextItem :: MonadUnliftIO m => Maybe String -> ImGuiPopupFlags -> (Bool -> m a) -> m a
+withPopupContextItem popupId flags = bracket (beginPopupContextItem popupId flags) (`when` Raw.endPopup)
+
+withPopupContextItemOpen :: MonadUnliftIO m => Maybe String -> ImGuiPopupFlags -> m () -> m ()
+withPopupContextItemOpen popupId flags action = withPopupContextItem popupId flags (`when` action)
+
+-- | Attach item context popup to right mouse button click on a last item.
+itemContextPopup :: MonadUnliftIO m => m () -> m ()
+itemContextPopup = withPopupContextItemOpen Nothing ImGuiPopupFlags_MouseButtonRight
+
+beginPopupContextWindow :: MonadIO m => Maybe String -> ImGuiPopupFlags -> m Bool
+beginPopupContextWindow popupId flags = liftIO do
+  withCStringOrNull popupId \popupIdPtr ->
+    Raw.beginPopupContextWindow popupIdPtr flags
+
+withPopupContextWindow :: MonadUnliftIO m => Maybe String -> ImGuiPopupFlags -> (Bool -> m a) -> m a
+withPopupContextWindow popupId flags = bracket (beginPopupContextWindow popupId flags) (`when` Raw.endPopup)
+
+withPopupContextWindowOpen :: MonadUnliftIO m => Maybe String -> ImGuiPopupFlags -> m () -> m ()
+withPopupContextWindowOpen popupId flags action = withPopupContextWindow popupId flags (`when` action)
+
+-- | Attach item context popup to right mouse button click on a current window.
+windowContextPopup :: MonadUnliftIO m => m () -> m ()
+windowContextPopup = withPopupContextWindowOpen Nothing ImGuiPopupFlags_MouseButtonRight
+
+beginPopupContextVoid :: MonadIO m => Maybe String -> ImGuiPopupFlags -> m Bool
+beginPopupContextVoid popupId flags = liftIO do
+  withCStringOrNull popupId \popupIdPtr ->
+    Raw.beginPopupContextVoid popupIdPtr flags
+
+withPopupContextVoid :: MonadUnliftIO m => Maybe String -> ImGuiPopupFlags -> (Bool -> m a) -> m a
+withPopupContextVoid popupId flags = bracket (beginPopupContextVoid popupId flags) (`when` Raw.endPopup)
+
+withPopupContextVoidOpen :: MonadUnliftIO m => Maybe String -> ImGuiPopupFlags -> m () -> m ()
+withPopupContextVoidOpen popupId flags action = withPopupContextVoid popupId flags (`when` action)
+
+-- | Attach item context popup to right mouse button click outside of any windows.
+voidContextPopup :: MonadUnliftIO m => m () -> m ()
+voidContextPopup = withPopupContextWindowOpen Nothing ImGuiPopupFlags_MouseButtonRight
+
+
 -- | Call to mark popup as open (don't call every frame!).
 --
 -- Wraps @ImGui::OpenPopup()@
@@ -1486,6 +1581,37 @@ openPopup :: MonadIO m => String -> m ()
 openPopup popupId = liftIO do
   withCString popupId Raw.openPopup
 
+-- | Opens a defined popup (i.e. defined with 'withPopup') on defined action.
+--
+-- Example:
+--
+-- > openPopupOnItemClick "myPopup" ImGuiPopupFlags_MouseButtonRight
+--
+-- Wraps @ImGui::OpenPopup()@
+openPopupOnItemClick :: MonadIO m => String -> ImGuiPopupFlags -> m ()
+openPopupOnItemClick popupId flags = liftIO do
+  withCString popupId $ \idPtr ->
+    Raw.openPopupOnItemClick idPtr flags
+
+-- | Check if the popup is open at the current 'beginPopup' level of the popup stack.
+isCurrentPopupOpen :: MonadIO m => String -> m Bool
+isCurrentPopupOpen popupId = liftIO do
+  withCString popupId $ \idPtr ->
+    Raw.isPopupOpen idPtr ImGuiPopupFlags_None
+
+-- | Check if *any* popup is open at the current 'beginPopup' level of the popup stack.
+isAnyPopupOpen :: MonadIO m => String -> m Bool
+isAnyPopupOpen popupId = liftIO do
+  withCString popupId $ \idPtr ->
+    Raw.isPopupOpen idPtr ImGuiPopupFlags_AnyPopupId
+
+-- | Check if *any* popup is open at any level of the popup stack.
+isAnyLevelPopupOpen :: MonadIO m => String -> m Bool
+isAnyLevelPopupOpen popupId = liftIO do
+  withCString popupId $ \idPtr ->
+    Raw.isPopupOpen idPtr $
+      ImGuiPopupFlags_AnyPopupId .|. ImGuiPopupFlags_AnyPopupLevel
+
 
 withCStringOrNull :: Maybe String -> (Ptr CChar -> IO a) -> IO a
 withCStringOrNull Nothing k  = k nullPtr

src/DearImGui/Context.hs

@@ -43,3 +43,11 @@ imguiContext = mempty
       , ( TypeName "ImGuiListClipper", [t| ImGuiListClipper |] )
       ]
   }
+
+implotContext :: Context
+implotContext = mempty
+  { ctxTypesTable =
+    Map.fromList
+      [ ( TypeName "ImPlotContext", [t| ImPlotContext |] )
+      ]
+  }

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/Plot.hs

@@ -0,0 +1,71 @@
+{-# LANGUAGE BlockArguments #-}
+{-# LANGUAGE DuplicateRecordFields #-}
+{-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE LambdaCase #-}
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE PatternSynonyms #-}
+{-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE TemplateHaskell #-}
+
+{-|
+Module: DearImGui.Plot
+
+Main ImPlot module, exporting the functions to make plots happen in Gui.
+-}
+
+module DearImGui.Plot
+  ( -- * Context Creation and Access
+    Raw.Plot.PlotContext(..)
+  , Raw.Plot.createPlotContext
+  , Raw.Plot.destroyPlotContext
+  , Raw.Plot.getCurrentPlotContext
+  , Raw.Plot.setCurrentPlotContext
+
+    -- * Demo so you can play with all features
+  , Raw.Plot.showPlotDemoWindow
+  )
+  where
+
+-- base
+import Control.Monad
+  ( when )
+import Data.Bool
+import Data.Foldable
+  ( foldl' )
+import Foreign
+import Foreign.C
+import qualified GHC.Foreign as Foreign
+import System.IO
+  ( utf8 )
+
+-- dear-imgui
+import DearImGui.Enums
+import DearImGui.Structs
+import qualified DearImGui.Raw as Raw
+import qualified DearImGui.Raw.Plot as Raw.Plot
+import qualified DearImGui.Raw.Font as Raw.Font
+import qualified DearImGui.Raw.ListClipper as Raw.ListClipper
+
+-- managed
+import qualified Control.Monad.Managed as Managed
+
+-- StateVar
+import Data.StateVar
+  ( HasGetter(get), HasSetter, ($=!) )
+
+-- transformers
+import Control.Monad.IO.Class
+  ( MonadIO, liftIO )
+
+-- unliftio
+import UnliftIO (MonadUnliftIO)
+import UnliftIO.Exception (bracket, bracket_)
+
+-- vector
+import qualified Data.Vector as V
+import qualified Data.Vector.Storable as VS
+import qualified Data.Vector.Unboxed as VU
+

src/DearImGui/Raw.hs

@@ -197,7 +197,12 @@ module DearImGui.Raw
   , beginPopupModal
   , endPopup
   , openPopup
+  , openPopupOnItemClick
   , closeCurrentPopup
+  , beginPopupContextItem
+  , beginPopupContextWindow
+  , beginPopupContextVoid
+  , isPopupOpen
 
     -- * ID stack/scopes
   , pushIDInt
@@ -1081,10 +1086,17 @@ treePop = liftIO do
   [C.exp| void { TreePop() } |]
 
 
+-- -- | 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 labelPtr = liftIO do
-  (0 /=) <$> [C.exp| bool { Selectable($(char* labelPtr)) } |]
+selectable :: (MonadIO m) => CString -> CBool -> ImGuiSelectableFlags -> Ptr ImVec2 -> m Bool
+selectable labelPtr selected flags size = liftIO do
+  (0 /=) <$> [C.exp| bool { Selectable($(char* labelPtr), $(bool selected), $(ImGuiSelectableFlags flags), *$(ImVec2 *size)) } |]
+
 
 
 -- | Wraps @ImGui::ListBox()@.
@@ -1253,6 +1265,16 @@ 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 +1282,36 @@ 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.).
 --

src/DearImGui/Raw/Plot.hs

@@ -0,0 +1,83 @@
+{-# LANGUAGE BlockArguments #-}
+{-# LANGUAGE DuplicateRecordFields #-}
+{-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE LambdaCase #-}
+{-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE PatternSynonyms #-}
+{-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE TemplateHaskell #-}
+{-# LANGUAGE ViewPatterns #-}
+
+{-|
+Module: DearImGui.Raw.Plot
+
+Main ImPlot Raw module.
+-}
+module DearImGui.Raw.Plot 
+  ( PlotContext(..)
+  , createPlotContext
+  , destroyPlotContext
+  , getCurrentPlotContext
+  , setCurrentPlotContext
+
+  , showPlotDemoWindow
+  ) where
+
+-- base
+import Control.Monad.IO.Class
+  ( MonadIO, liftIO )
+import Foreign
+import Foreign.C
+import System.IO.Unsafe
+  ( unsafePerformIO )
+
+-- dear-imgui
+import DearImGui.Context
+  ( imguiContext, implotContext )
+import DearImGui.Enums
+import DearImGui.Structs
+import DearImGui.Raw.DrawList (DrawList(..))
+
+-- inline-c
+import qualified Language.C.Inline as C
+
+-- inline-c-cpp
+import qualified Language.C.Inline.Cpp as Cpp
+
+C.context (Cpp.cppCtx <> C.bsCtx <> imguiContext <> implotContext)
+C.include "imgui.h"
+C.include "implot.h"
+Cpp.using "namespace ImPlot"
+
+
+-- | Wraps @ImPlotContext*@.
+newtype PlotContext = PlotContext (Ptr ImPlotContext)
+
+
+-- | Wraps @ImPlot::CreateContext()@.
+createPlotContext :: (MonadIO m) => m PlotContext
+createPlotContext = liftIO do
+  PlotContext <$> [C.exp| ImPlotContext* { CreateContext() } |]
+
+-- | Wraps @ImPlot::DestroyPlotContext()@.
+destroyPlotContext :: (MonadIO m) => PlotContext -> m ()
+destroyPlotContext (PlotContext contextPtr) = liftIO do
+  [C.exp| void { DestroyContext($(ImPlotContext* contextPtr)); } |]
+
+-- | Wraps @ImPlot::GetCurrentPlotContext()@.
+getCurrentPlotContext :: MonadIO m => m PlotContext
+getCurrentPlotContext = liftIO do
+  PlotContext <$> [C.exp| ImPlotContext* { GetCurrentContext() } |]
+
+
+-- | Wraps @ImPlot::SetCurrentPlotContext()@.
+setCurrentPlotContext :: MonadIO m => PlotContext -> m ()
+setCurrentPlotContext (PlotContext contextPtr) = liftIO do
+  [C.exp| void { SetCurrentContext($(ImPlotContext* contextPtr)) } |]
+
+-- | Create demo window. Demonstrate most ImGui features. Call this to learn
+-- about the library! Try to make it always available in your application!
+showPlotDemoWindow :: (MonadIO m) => m ()
+showPlotDemoWindow = liftIO do
+  [C.exp| void { ShowDemoWindow(); } |]

src/DearImGui/Structs.hs

@@ -1,11 +1,17 @@
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE NamedFieldPuns #-}
+{-# LANGUAGE CPP #-}
 
 module DearImGui.Structs where
 
 -- base
 import Data.Word
-  ( Word32, Word16 )
+  ( Word32
+#ifndef IMGUI_USE_WCHAR32
+  , Word16
+#endif
+  )
+
 import Foreign
   ( Storable(..), castPtr, plusPtr )
 
@@ -96,5 +102,28 @@ data ImGuiListClipper
 type ImU32 = Word32
 
 -- | 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
+
+--------------------------------------------------------------------------------
+
+-- | DearImPlot context handle
+data ImPlotContext
+
+-- |  Double precision version of ImVec2 used by ImPlot. Extensible by end users
+data ImPlotPoint
+
+-- | Range defined by a min/max value.
+data ImPlotRange
+
+-- | Combination of two range limits for X and Y axes. Also an AABB defined by Min()/Max().
+data ImPlotRect
+
+-- | Plot style structure
+data ImPlotStyle
+
+-- | Input mapping structure. Default values listed. See also MapInputDefault, MapInputReverse.
+data ImPlotInputMap

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
@@ -184,3 +186,16 @@ 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