Automatically dereference struct fields

This is an experiment to see if we can avoid having to call unsafe_load() all
the time.

demo/demo.jl

@@ -15,8 +15,8 @@ function official_demo(; engine=nothing)
 
     # Enable docking and multi-viewport
     io = CImGui.GetIO()
-    io.ConfigFlags = unsafe_load(io.ConfigFlags) | CImGui.ImGuiConfigFlags_DockingEnable
-    io.ConfigFlags = unsafe_load(io.ConfigFlags) | CImGui.ImGuiConfigFlags_ViewportsEnable
+    io.ConfigFlags = io.ConfigFlags | CImGui.ImGuiConfigFlags_DockingEnable
+    io.ConfigFlags = io.ConfigFlags | CImGui.ImGuiConfigFlags_ViewportsEnable
 
     # Setup Dear ImGui style
     CImGui.StyleColorsDark()
@@ -30,7 +30,7 @@ function official_demo(; engine=nothing)
     # - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling `CImGui.Build()`/`GetTexDataAsXXXX()``, which `ImGui_ImplXXXX_NewFrame` below will call.
     # - Read 'fonts/README.txt' for more instructions and details.
     fonts_dir = joinpath(@__DIR__, "..", "fonts")
-    fonts = unsafe_load(CImGui.GetIO().Fonts)
+    fonts = CImGui.GetIO().Fonts
     # default_font = CImGui.AddFontDefault(fonts)
     # CImGui.AddFontFromFileTTF(fonts, joinpath(fonts_dir, "Cousine-Regular.ttf"), 15)
     # CImGui.AddFontFromFileTTF(fonts, joinpath(fonts_dir, "DroidSans.ttf"), 16)
@@ -65,7 +65,7 @@ function official_demo(; engine=nothing)
 
             CImGui.SameLine()
             CImGui.Text("counter = $counter")
-            CImGui.Text(@sprintf("Application average %.3f ms/frame (%.1f FPS)", 1000 / unsafe_load(CImGui.GetIO().Framerate), unsafe_load(CImGui.GetIO().Framerate)))
+            CImGui.Text(@sprintf("Application average %.3f ms/frame (%.1f FPS)", 1000 / CImGui.GetIO().Framerate, CImGui.GetIO().Framerate))
 
             CImGui.End()
         end

examples/app_constrained_resize.jl

@@ -9,14 +9,14 @@ Create a window with custom resize constraints.
 """
 global function ShowExampleAppConstrainedResize(p_open::Ref{Bool})
     function Square(data::Ptr{ImGuiSizeCallbackData})::Cvoid
-        desired_size = unsafe_load(data.DesiredSize)
+        desired_size = data.DesiredSize
         max_size = max(desired_size.x, desired_size.y)
         data.DesiredSize = ImVec2(max_size, max_size)
     end
 
     function Step(data::Ptr{ImGuiSizeCallbackData})::Cvoid
-        desired_size = data.DesiredSize |> unsafe_load
-        step::Cfloat = data.UserData |> unsafe_load |> Int
+        desired_size = data.DesiredSize
+        step::Cfloat = data.UserData |> Int
         size_x = trunc(desired_size.x / step + 0.5) * step
         size_y = trunc(desired_size.y / step + 0.5) * step
         data.DesiredSize = ImVec2(size_x, size_y)

examples/app_custom_rendering.jl

@@ -81,8 +81,8 @@ function ShowExampleAppCustomRendering(p_open::Ref{Bool})
 
         adding_preview = false
         CImGui.InvisibleButton("canvas", canvas_size)
-        mouse_x = unsafe_load(CImGui.GetIO().MousePos.x)
-        mouse_y = unsafe_load(CImGui.GetIO().MousePos.y)
+        mouse_x = CImGui.GetIO().MousePos.x
+        mouse_y = CImGui.GetIO().MousePos.y
         mouse_pos_in_canvas = ImVec2(mouse_x - canvas_pos.x, mouse_y - canvas_pos.y)
         if adding_line
             adding_preview = true

examples/app_simple_overlay.jl

@@ -13,8 +13,8 @@ function ShowExampleAppSimpleOverlay(p_open::Ref{Bool})
     io = CImGui.GetIO()
     @cstatic corner=Cint(0) begin
         if corner != -1
-            window_pos_x = corner & 1 != 0 ? unsafe_load(io.DisplaySize).x - DISTANCE : DISTANCE
-            window_pos_y = corner & 2 != 0 ? unsafe_load(io.DisplaySize).y - DISTANCE : DISTANCE
+            window_pos_x = corner & 1 != 0 ? io.DisplaySize.x - DISTANCE : DISTANCE
+            window_pos_y = corner & 2 != 0 ? io.DisplaySize.y - DISTANCE : DISTANCE
             window_pos = (window_pos_x, window_pos_y)
             window_pos_pivot = (corner & 1 != 0 ? 1.0 : 0.0, corner & 2 != 0 ? 1.0 : 0.0)
             CImGui.SetNextWindowPos(window_pos, CImGui.ImGuiCond_Always, window_pos_pivot)
@@ -28,7 +28,7 @@ function ShowExampleAppSimpleOverlay(p_open::Ref{Bool})
             CImGui.Text("Simple overlay\n in the corner of the screen.\n (right-click to change position)")
             CImGui.Separator()
             if CImGui.IsMousePosValid()
-                CImGui.Text(@sprintf("Mouse Position: (%.1f,%.1f)", unsafe_load(io.MousePos).x, unsafe_load(io.MousePos).y))
+                CImGui.Text(@sprintf("Mouse Position: (%.1f,%.1f)", io.MousePos.x, io.MousePos.y))
             else
                 CImGui.Text("Mouse Position: <invalid>")
             end

examples/demo.jl

@@ -15,8 +15,8 @@ function julia_demo(; engine=nothing)
 
     # enable docking and multi-viewport
     io = CImGui.GetIO()
-    io.ConfigFlags = unsafe_load(io.ConfigFlags) | CImGui.ImGuiConfigFlags_DockingEnable
-    io.ConfigFlags = unsafe_load(io.ConfigFlags) | CImGui.ImGuiConfigFlags_ViewportsEnable
+    io.ConfigFlags = io.ConfigFlags | CImGui.ImGuiConfigFlags_DockingEnable
+    io.ConfigFlags = io.ConfigFlags | CImGui.ImGuiConfigFlags_ViewportsEnable
 
     # setup Dear ImGui style
     CImGui.StyleColorsDark()
@@ -25,7 +25,7 @@ function julia_demo(; engine=nothing)
 
     # When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     style = Ptr{ImGuiStyle}(CImGui.GetStyle())
-    if unsafe_load(io.ConfigFlags) & ImGuiConfigFlags_ViewportsEnable == ImGuiConfigFlags_ViewportsEnable
+    if io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable == ImGuiConfigFlags_ViewportsEnable
         style.WindowRounding = 5.0f0
         col = CImGui.c_get(style.Colors, CImGui.ImGuiCol_WindowBg)
         CImGui.c_set!(style.Colors, CImGui.ImGuiCol_WindowBg, ImVec4(col.x, col.y, col.z, 1.0f0))
@@ -38,7 +38,7 @@ function julia_demo(; engine=nothing)
     # - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling `CImGui.Build()`/`GetTexDataAsXXXX()``, which `ImGui_ImplXXXX_NewFrame` below will call.
     # - Read 'fonts/README.txt' for more instructions and details.
     fonts_dir = joinpath(@__DIR__, "..", "fonts")
-    fonts = unsafe_load(CImGui.GetIO().Fonts)
+    fonts = CImGui.GetIO().Fonts
     # default_font = CImGui.AddFontDefault(fonts)
     # CImGui.AddFontFromFileTTF(fonts, joinpath(fonts_dir, "Cousine-Regular.ttf"), 15)
     # CImGui.AddFontFromFileTTF(fonts, joinpath(fonts_dir, "DroidSans.ttf"), 16)

examples/demo_helper.jl

@@ -23,7 +23,7 @@ function ShowUserGuide()
     CImGui.BulletText("Click and drag on any empty space to move window.")
     CImGui.BulletText("TAB/SHIFT+TAB to cycle through keyboard editable fields.")
     CImGui.BulletText("CTRL+Click on a slider or drag box to input value as text.")
-    unsafe_load(CImGui.GetIO().FontAllowUserScaling) && CImGui.BulletText("CTRL+Mouse Wheel to zoom window contents.")
+    CImGui.GetIO().FontAllowUserScaling && CImGui.BulletText("CTRL+Mouse Wheel to zoom window contents.")
     CImGui.BulletText("Mouse Wheel to scroll.")
     CImGui.BulletText("While editing text:\n")
     CImGui.Indent()
@@ -63,43 +63,43 @@ function ShowAboutWindow(p_open::Ref{Bool})
         CImGui.Separator()
         CImGui.Text("sizeof(size_t): $(sizeof(Csize_t)), sizeof(ImDrawIdx): $(sizeof(CImGui.ImDrawIdx)), sizeof(ImDrawVert): $(sizeof(CImGui.ImDrawVert))")
         CImGui.Separator()
-        CImGui.Text(@sprintf("io.BackendPlatformName: %s", unsafe_load(io.BackendPlatformName) != C_NULL ? unsafe_string(unsafe_load(io.BackendPlatformName)) : "NULL"))
-        CImGui.Text(@sprintf("io.BackendRendererName: %s", unsafe_load(io.BackendRendererName) != C_NULL ? unsafe_string(unsafe_load(io.BackendRendererName)) : "NULL"))
-        CImGui.Text(@sprintf("io.ConfigFlags: 0x%08X", unsafe_load(io.ConfigFlags)))
-        unsafe_load(io.ConfigFlags) & CImGui.ImGuiConfigFlags_NavEnableKeyboard    != 0 && CImGui.Text(" NavEnableKeyboard")
-        unsafe_load(io.ConfigFlags) & CImGui.ImGuiConfigFlags_NavEnableGamepad     != 0 && CImGui.Text(" NavEnableGamepad")
-        unsafe_load(io.ConfigFlags) & CImGui.ImGuiConfigFlags_NavEnableSetMousePos != 0 && CImGui.Text(" NavEnableSetMousePos")
-        unsafe_load(io.ConfigFlags) & CImGui.ImGuiConfigFlags_NavNoCaptureKeyboard != 0 && CImGui.Text(" NavNoCaptureKeyboard")
-        unsafe_load(io.ConfigFlags) & CImGui.ImGuiConfigFlags_NoMouse              != 0 && CImGui.Text(" NoMouse")
-        unsafe_load(io.ConfigFlags) & CImGui.ImGuiConfigFlags_NoMouseCursorChange  != 0 && CImGui.Text(" NoMouseCursorChange")
-        unsafe_load(io.MouseDrawCursor)                   && CImGui.Text("io.MouseDrawCursor")
-        unsafe_load(io.ConfigMacOSXBehaviors)             && CImGui.Text("io.ConfigMacOSXBehaviors")
-        unsafe_load(io.ConfigInputTextCursorBlink)        && CImGui.Text("io.ConfigInputTextCursorBlink")
-        unsafe_load(io.ConfigWindowsResizeFromEdges)      && CImGui.Text("io.ConfigWindowsResizeFromEdges")
-        unsafe_load(io.ConfigWindowsMoveFromTitleBarOnly) && CImGui.Text("io.ConfigWindowsMoveFromTitleBarOnly")
-        CImGui.Text(@sprintf("io.BackendFlags: 0x%08X", unsafe_load(io.BackendFlags)))
-        unsafe_load(io.BackendFlags) & ImGuiBackendFlags_HasGamepad      != 0  && CImGui.Text(" HasGamepad")
-        unsafe_load(io.BackendFlags) & ImGuiBackendFlags_HasMouseCursors != 0  && CImGui.Text(" HasMouseCursors")
-        unsafe_load(io.BackendFlags) & ImGuiBackendFlags_HasSetMousePos  != 0  && CImGui.Text(" HasSetMousePos")
+        CImGui.Text(@sprintf("io.BackendPlatformName: %s", io.BackendPlatformName != C_NULL ? unsafe_string(io.BackendPlatformName) : "NULL"))
+        CImGui.Text(@sprintf("io.BackendRendererName: %s", io.BackendRendererName != C_NULL ? unsafe_string(io.BackendRendererName) : "NULL"))
+        CImGui.Text(@sprintf("io.ConfigFlags: 0x%08X", io.ConfigFlags))
+        io.ConfigFlags & CImGui.ImGuiConfigFlags_NavEnableKeyboard    != 0 && CImGui.Text(" NavEnableKeyboard")
+        io.ConfigFlags & CImGui.ImGuiConfigFlags_NavEnableGamepad     != 0 && CImGui.Text(" NavEnableGamepad")
+        io.ConfigFlags & CImGui.ImGuiConfigFlags_NavEnableSetMousePos != 0 && CImGui.Text(" NavEnableSetMousePos")
+        io.ConfigFlags & CImGui.ImGuiConfigFlags_NavNoCaptureKeyboard != 0 && CImGui.Text(" NavNoCaptureKeyboard")
+        io.ConfigFlags & CImGui.ImGuiConfigFlags_NoMouse              != 0 && CImGui.Text(" NoMouse")
+        io.ConfigFlags & CImGui.ImGuiConfigFlags_NoMouseCursorChange  != 0 && CImGui.Text(" NoMouseCursorChange")
+        io.MouseDrawCursor                   && CImGui.Text("io.MouseDrawCursor")
+        io.ConfigMacOSXBehaviors             && CImGui.Text("io.ConfigMacOSXBehaviors")
+        io.ConfigInputTextCursorBlink        && CImGui.Text("io.ConfigInputTextCursorBlink")
+        io.ConfigWindowsResizeFromEdges      && CImGui.Text("io.ConfigWindowsResizeFromEdges")
+        io.ConfigWindowsMoveFromTitleBarOnly && CImGui.Text("io.ConfigWindowsMoveFromTitleBarOnly")
+        CImGui.Text(@sprintf("io.BackendFlags: 0x%08X", io.BackendFlags))
+        io.BackendFlags & ImGuiBackendFlags_HasGamepad      != 0  && CImGui.Text(" HasGamepad")
+        io.BackendFlags & ImGuiBackendFlags_HasMouseCursors != 0  && CImGui.Text(" HasMouseCursors")
+        io.BackendFlags & ImGuiBackendFlags_HasSetMousePos  != 0  && CImGui.Text(" HasSetMousePos")
         CImGui.Separator()
         # CImGui.Text("io.Fonts: %d fonts, Flags: 0x%08X, TexSize: %d,%d", io.Fonts->Fonts.Size, io.Fonts->Flags, io.Fonts->TexWidth, io.Fonts->TexHeight);
-        CImGui.Text(@sprintf("io.DisplaySize: %.2f,%.2f", unsafe_load(io.DisplaySize).x, unsafe_load(io.DisplaySize).y))
-        CImGui.Text(@sprintf("io.DisplayFramebufferScale: %.2f,%.2f", unsafe_load(io.DisplayFramebufferScale).x, unsafe_load(io.DisplayFramebufferScale).y))
+        CImGui.Text(@sprintf("io.DisplaySize: %.2f,%.2f", io.DisplaySize.x, io.DisplaySize.y))
+        CImGui.Text(@sprintf("io.DisplayFramebufferScale: %.2f,%.2f", io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y))
         CImGui.Separator()
 
-        window_padding = unsafe_load(style.WindowPadding)
+        window_padding = style.WindowPadding
         CImGui.Text(@sprintf("style.WindowPadding: %.2f,%.2f", window_padding.x, window_padding.y))
-        CImGui.Text(@sprintf("style.WindowBorderSize: %.2f", unsafe_load(style.WindowBorderSize)))
+        CImGui.Text(@sprintf("style.WindowBorderSize: %.2f", style.WindowBorderSize))
 
-        frame_padding = unsafe_load(style.FramePadding)
+        frame_padding = style.FramePadding
         CImGui.Text(@sprintf("style.FramePadding: %.2f,%.2f", frame_padding.x, frame_padding.y))
-        CImGui.Text(@sprintf("style.FrameRounding: %.2f", unsafe_load(style.FrameRounding)))
-        CImGui.Text(@sprintf("style.FrameBorderSize: %.2f", unsafe_load(style.FrameBorderSize)))
+        CImGui.Text(@sprintf("style.FrameRounding: %.2f", style.FrameRounding))
+        CImGui.Text(@sprintf("style.FrameBorderSize: %.2f", style.FrameBorderSize))
 
-        item_spacing = unsafe_load(style.ItemSpacing)
+        item_spacing = style.ItemSpacing
         CImGui.Text(@sprintf("style.ItemSpacing: %.2f,%.2f", item_spacing.x, item_spacing.y))
 
-        item_inner_spacing = unsafe_load(style.ItemInnerSpacing)
+        item_inner_spacing = style.ItemInnerSpacing
         CImGui.Text(@sprintf("style.ItemInnerSpacing: %.2f,%.2f", item_inner_spacing.x, item_inner_spacing.y))
 
         copy_to_clipboard && CImGui.LogFinish()

examples/demo_misc.jl

@@ -24,19 +24,19 @@ function ShowDemoWindowMisc()
     if CImGui.CollapsingHeader("Inputs, Navigation & Focus")
         io = CImGui.GetIO()
 
-        CImGui.Text("WantCaptureMouse: $(unsafe_load(io.WantCaptureMouse))")
-        CImGui.Text("WantCaptureKeyboard: $(unsafe_load(io.WantCaptureKeyboard))")
-        CImGui.Text("WantTextInput: $(unsafe_load(io.WantTextInput))")
-        CImGui.Text("WantSetMousePos: $(unsafe_load(io.WantSetMousePos))")
-        CImGui.Text("NavActive: $(unsafe_load(io.NavActive)), NavVisible: $(unsafe_load(io.NavVisible))")
+        CImGui.Text("WantCaptureMouse: $(io.WantCaptureMouse)")
+        CImGui.Text("WantCaptureKeyboard: $(io.WantCaptureKeyboard)")
+        CImGui.Text("WantTextInput: $(io.WantTextInput)")
+        CImGui.Text("WantSetMousePos: $(io.WantSetMousePos)")
+        CImGui.Text("NavActive: $(io.NavActive), NavVisible: $(io.NavVisible)")
 
         if CImGui.TreeNode("Keyboard, Mouse & Navigation State")
             if CImGui.IsMousePosValid()
-                CImGui.Text("Mouse pos: ($(unsafe_load(io.MousePos).x), $(unsafe_load(io.MousePos).y))")
+                CImGui.Text("Mouse pos: ($(io.MousePos.x), $(io.MousePos.y))")
             else
                 CImGui.Text("Mouse pos: <INVALID>")
             end
-            CImGui.Text("Mouse delta: ($(unsafe_load(io.MouseDelta).x), $(unsafe_load(io.MouseDelta).y))")
+            CImGui.Text("Mouse delta: ($(io.MouseDelta.x), $(io.MouseDelta.y))")
             CImGui.Text("Mouse down:")
             for i = 0:4
                 dur = CImGui.c_get(io.MouseDownDuration, i)
@@ -62,13 +62,13 @@ function ShowDemoWindowMisc()
                 CImGui.SameLine()
                 CImGui.Text("b$i")
             end
-            CImGui.Text(@sprintf("Mouse wheel: %.1f", unsafe_load(io.MouseWheel)))
+            CImGui.Text(@sprintf("Mouse wheel: %.1f", io.MouseWheel))
 
             key_range = CImGui.ImGuiKey_NamedKey_BEGIN:CImGui.ImGuiKey_NamedKey_END - 1
 
             CImGui.Text("Keys down:")
             for i = key_range
-                key_data = unsafe_load(CImGui.GetKeyData(CImGui.ImGuiKey(i)))
+                key_data = CImGui.GetKeyData(CImGui.ImGuiKey(i))
                 dur = key_data.DownDuration
                 dur ≥ 0 || continue
                 CImGui.SameLine()
@@ -87,7 +87,7 @@ function ShowDemoWindowMisc()
                 CImGui.SameLine()
                 CImGui.Text("$i")
             end
-            CImGui.Text(@sprintf("Keys mods: %s%s%s%s", unsafe_load(io.KeyCtrl) ? "CTRL " : "", unsafe_load(io.KeyShift) ? "SHIFT " : "", unsafe_load(io.KeyAlt) ? "ALT " : "", unsafe_load(io.KeySuper) ? "SUPER " : ""))
+            CImGui.Text(@sprintf("Keys mods: %s%s%s%s", io.KeyCtrl ? "CTRL " : "", io.KeyShift ? "SHIFT " : "", io.KeyAlt ? "ALT " : "", io.KeySuper ? "SUPER " : ""))
 
             navinput_range = CImGui.ImGuiKey_GamepadStart:CImGui.ImGuiKey_GamepadRStickDown
 
@@ -99,15 +99,15 @@ function ShowDemoWindowMisc()
             end
             CImGui.Text("NavInputs pressed:")
             for i = navinput_range
-                key_data = unsafe_load(CImGui.GetKeyData(CImGui.ImGuiKey(i)))
+                key_data = CImGui.GetKeyData(CImGui.ImGuiKey(i))
                 dur = key_data.DownDuration
                 dur == 0.0 || continue
                 CImGui.SameLine()
                 CImGui.Text("[$i]")
             end
             CImGui.Text("NavInputs duration:")
             for i = navinput_range
-                key_data = unsafe_load(CImGui.GetKeyData(CImGui.ImGuiKey(i)))
+                key_data = CImGui.GetKeyData(CImGui.ImGuiKey(i))
                 dur = key_data.DownDuration
                 dur ≥ 0.0 || continue
                 CImGui.SameLine()
@@ -199,7 +199,7 @@ function ShowDemoWindowMisc()
                 # you can request a lower or higher threshold using the second parameter of IsMouseDragging() and GetMouseDragDelta()
                 value_raw = CImGui.GetMouseDragDelta(0, 0.0)
                 value_with_lock_threshold = CImGui.GetMouseDragDelta(0)
-                mouse_delta = unsafe_load(io.MouseDelta)
+                mouse_delta = io.MouseDelta
                 CImGui.SameLine()
                 txt = @sprintf "Raw (%.1f, %.1f), WithLockThresold (%.1f, %.1f), MouseDelta (%.1f, %.1f)" value_raw.x value_raw.y value_with_lock_threshold.x value_with_lock_threshold.y mouse_delta.x mouse_delta.y
                 CImGui.Text(txt)