Fix typos and use nullptr in backends. Amend 506f7e0

backends/imgui_impl_dx10.cpp

@@ -595,7 +595,7 @@ void ImGui_ImplDX10_NewFrame()
 // If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
 //--------------------------------------------------------------------------------------------------------
 
-// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
+// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
 struct ImGui_ImplDX10_ViewportData
 {
     IDXGISwapChain*         SwapChain;
@@ -612,7 +612,7 @@ static void ImGui_ImplDX10_CreateWindow(ImGuiViewport* viewport)
     viewport->RendererUserData = vd;
 
     // PlatformHandleRaw should always be a HWND, whereas PlatformHandle might be a higher-level handle (e.g. GLFWWindow*, SDL_Window*).
-    // Some backends will leave PlatformHandleRaw NULL, in which case we assume PlatformHandle will contain the HWND.
+    // Some backends will leave PlatformHandleRaw == 0, in which case we assume PlatformHandle will contain the HWND.
     HWND hwnd = viewport->PlatformHandleRaw ? (HWND)viewport->PlatformHandleRaw : (HWND)viewport->PlatformHandle;
     IM_ASSERT(hwnd != 0);
 
@@ -646,7 +646,7 @@ static void ImGui_ImplDX10_CreateWindow(ImGuiViewport* viewport)
 
 static void ImGui_ImplDX10_DestroyWindow(ImGuiViewport* viewport)
 {
-    // The main viewport (owned by the application) will always have RendererUserData == NULL here since we didn't create the data for it.
+    // The main viewport (owned by the application) will always have RendererUserData == 0 here since we didn't create the data for it.
     if (ImGui_ImplDX10_ViewportData* vd = (ImGui_ImplDX10_ViewportData*)viewport->RendererUserData)
     {
         if (vd->SwapChain)

backends/imgui_impl_dx11.cpp

@@ -612,7 +612,7 @@ void ImGui_ImplDX11_NewFrame()
 // If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
 //--------------------------------------------------------------------------------------------------------
 
-// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
+// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
 struct ImGui_ImplDX11_ViewportData
 {
     IDXGISwapChain*                 SwapChain;
@@ -629,7 +629,7 @@ static void ImGui_ImplDX11_CreateWindow(ImGuiViewport* viewport)
     viewport->RendererUserData = vd;
 
     // PlatformHandleRaw should always be a HWND, whereas PlatformHandle might be a higher-level handle (e.g. GLFWWindow*, SDL_Window*).
-    // Some backends will leave PlatformHandleRaw NULL, in which case we assume PlatformHandle will contain the HWND.
+    // Some backends will leave PlatformHandleRaw == 0, in which case we assume PlatformHandle will contain the HWND.
     HWND hwnd = viewport->PlatformHandleRaw ? (HWND)viewport->PlatformHandleRaw : (HWND)viewport->PlatformHandle;
     IM_ASSERT(hwnd != 0);
 

backends/imgui_impl_dx12.cpp

@@ -847,7 +847,7 @@ static void ImGui_ImplDX12_CreateWindow(ImGuiViewport* viewport)
     viewport->RendererUserData = vd;
 
     // PlatformHandleRaw should always be a HWND, whereas PlatformHandle might be a higher-level handle (e.g. GLFWWindow*, SDL_Window*).
-    // Some backends will leave PlatformHandleRaw NULL, in which case we assume PlatformHandle will contain the HWND.
+    // Some backends will leave PlatformHandleRaw == 0, in which case we assume PlatformHandle will contain the HWND.
     HWND hwnd = viewport->PlatformHandleRaw ? (HWND)viewport->PlatformHandleRaw : (HWND)viewport->PlatformHandle;
     IM_ASSERT(hwnd != 0);
 
@@ -962,7 +962,7 @@ static void ImGui_WaitForPendingOperations(ImGui_ImplDX12_ViewportData* vd)
 
 static void ImGui_ImplDX12_DestroyWindow(ImGuiViewport* viewport)
 {
-    // The main viewport (owned by the application) will always have RendererUserData == NULL since we didn't create the data for it.
+    // The main viewport (owned by the application) will always have RendererUserData == 0 since we didn't create the data for it.
     ImGui_ImplDX12_Data* bd = ImGui_ImplDX12_GetBackendData();
     if (ImGui_ImplDX12_ViewportData* vd = (ImGui_ImplDX12_ViewportData*)viewport->RendererUserData)
     {

backends/imgui_impl_dx9.cpp

@@ -404,7 +404,7 @@ void ImGui_ImplDX9_NewFrame()
 // If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
 //--------------------------------------------------------------------------------------------------------
 
-// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
+// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
 struct ImGui_ImplDX9_ViewportData
 {
     IDirect3DSwapChain9*    SwapChain;
@@ -421,7 +421,7 @@ static void ImGui_ImplDX9_CreateWindow(ImGuiViewport* viewport)
     viewport->RendererUserData = vd;
 
     // PlatformHandleRaw should always be a HWND, whereas PlatformHandle might be a higher-level handle (e.g. GLFWWindow*, SDL_Window*).
-    // Some backends will leave PlatformHandleRaw NULL, in which case we assume PlatformHandle will contain the HWND.
+    // Some backends will leave PlatformHandleRaw == 0, in which case we assume PlatformHandle will contain the HWND.
     HWND hwnd = viewport->PlatformHandleRaw ? (HWND)viewport->PlatformHandleRaw : (HWND)viewport->PlatformHandle;
     IM_ASSERT(hwnd != 0);
 
@@ -443,7 +443,7 @@ static void ImGui_ImplDX9_CreateWindow(ImGuiViewport* viewport)
 
 static void ImGui_ImplDX9_DestroyWindow(ImGuiViewport* viewport)
 {
-    // The main viewport (owned by the application) will always have RendererUserData == NULL since we didn't create the data for it.
+    // The main viewport (owned by the application) will always have RendererUserData == 0 since we didn't create the data for it.
     if (ImGui_ImplDX9_ViewportData* vd = (ImGui_ImplDX9_ViewportData*)viewport->RendererUserData)
     {
         if (vd->SwapChain)

backends/imgui_impl_glfw.cpp

@@ -886,7 +886,7 @@ static void ImGui_ImplGlfw_UpdateMonitors()
         int x, y;
         glfwGetMonitorPos(glfw_monitors[n], &x, &y);
         const GLFWvidmode* vid_mode = glfwGetVideoMode(glfw_monitors[n]);
-        if (vid_mode == NULL)
+        if (vid_mode == nullptr)
             continue; // Failed to get Video mode (e.g. Emscripten does not support this function)
         monitor.MainPos = monitor.WorkPos = ImVec2((float)x, (float)y);
         monitor.MainSize = monitor.WorkSize = ImVec2((float)vid_mode->width, (float)vid_mode->height);
@@ -944,7 +944,7 @@ void ImGui_ImplGlfw_NewFrame()
 // If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
 //--------------------------------------------------------------------------------------------------------
 
-// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
+// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
 struct ImGui_ImplGlfw_ViewportData
 {
     GLFWwindow* Window;

backends/imgui_impl_metal.mm

@@ -411,7 +411,7 @@ static void ImGui_ImplMetal_CreateWindow(ImGuiViewport* viewport)
     viewport->RendererUserData = data;
 
     // PlatformHandleRaw should always be a NSWindow*, whereas PlatformHandle might be a higher-level handle (e.g. GLFWWindow*, SDL_Window*).
-    // Some back-ends will leave PlatformHandleRaw NULL, in which case we assume PlatformHandle will contain the NSWindow*.
+    // Some back-ends will leave PlatformHandleRaw == 0, in which case we assume PlatformHandle will contain the NSWindow*.
     void* handle = viewport->PlatformHandleRaw ? viewport->PlatformHandleRaw : viewport->PlatformHandle;
     IM_ASSERT(handle != nullptr);
 
@@ -434,7 +434,7 @@ static void ImGui_ImplMetal_CreateWindow(ImGuiViewport* viewport)
 
 static void ImGui_ImplMetal_DestroyWindow(ImGuiViewport* viewport)
 {
-    // The main viewport (owned by the application) will always have RendererUserData == NULL since we didn't create the data for it.
+    // The main viewport (owned by the application) will always have RendererUserData == 0 since we didn't create the data for it.
     if (ImGuiViewportDataMetal* data = (ImGuiViewportDataMetal*)viewport->RendererUserData)
         IM_DELETE(data);
     viewport->RendererUserData = nullptr;

backends/imgui_impl_osx.mm

@@ -904,7 +904,7 @@ static void ImGui_ImplOSX_DestroyWindow(ImGuiViewport* viewport)
         data->Window = nil;
         IM_DELETE(data);
     }
-    viewport->PlatformUserData = viewport->PlatformHandle = viewport->PlatformHandleRaw = NULL;
+    viewport->PlatformUserData = viewport->PlatformHandle = viewport->PlatformHandleRaw = nullptr;
 }
 
 static void ImGui_ImplOSX_ShowWindow(ImGuiViewport* viewport)
@@ -1080,17 +1080,17 @@ static void ImGui_ImplOSX_ShutdownPlatformInterface()
     [NSNotificationCenter.defaultCenter removeObserver:bd->Observer
                                                   name:NSApplicationDidChangeScreenParametersNotification
                                                 object:nil];
-    bd->Observer = NULL;
-    bd->Window = NULL;
-    if (bd->Monitor != NULL)
+    bd->Observer = nullptr;
+    bd->Window = nullptr;
+    if (bd->Monitor != nullptr)
     {
         [NSEvent removeMonitor:bd->Monitor];
-        bd->Monitor = NULL;
+        bd->Monitor = nullptr;
     }
 
     ImGuiViewport* main_viewport = ImGui::GetMainViewport();
     ImGuiViewportDataOSX* data = (ImGuiViewportDataOSX*)main_viewport->PlatformUserData;
     IM_DELETE(data);
-    main_viewport->PlatformUserData = NULL;
+    main_viewport->PlatformUserData = nullptr;
     ImGui::DestroyPlatformWindows();
 }

backends/imgui_impl_sdl2.cpp

@@ -777,7 +777,7 @@ void ImGui_ImplSDL2_NewFrame()
 // If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
 //--------------------------------------------------------------------------------------------------------
 
-// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
+// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
 struct ImGui_ImplSDL2_ViewportData
 {
     SDL_Window*     Window;

backends/imgui_impl_sdl3.cpp

@@ -699,7 +699,7 @@ void ImGui_ImplSDL3_NewFrame()
 // If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
 //--------------------------------------------------------------------------------------------------------
 
-// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
+// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
 struct ImGui_ImplSDL3_ViewportData
 {
     SDL_Window*     Window;

backends/imgui_impl_vulkan.cpp

@@ -97,7 +97,7 @@ struct ImGui_ImplVulkanH_WindowRenderBuffers
 };
 
 // For multi-viewport support:
-// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
+// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
 struct ImGui_ImplVulkan_ViewportData
 {
     bool                                    WindowOwned;
@@ -1558,7 +1558,7 @@ static void ImGui_ImplVulkan_CreateWindow(ImGuiViewport* viewport)
 
 static void ImGui_ImplVulkan_DestroyWindow(ImGuiViewport* viewport)
 {
-    // The main viewport (owned by the application) will always have RendererUserData == NULL since we didn't create the data for it.
+    // The main viewport (owned by the application) will always have RendererUserData == 0 since we didn't create the data for it.
     ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData();
     if (ImGui_ImplVulkan_ViewportData* vd = (ImGui_ImplVulkan_ViewportData*)viewport->RendererUserData)
     {

backends/imgui_impl_win32.cpp

@@ -892,7 +892,7 @@ float ImGui_ImplWin32_GetDpiScaleForHwnd(void* hwnd)
 // If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
 //--------------------------------------------------------------------------------------------------------
 
-// Helper structure we store in the void* RenderUserData field of each ImGuiViewport to easily retrieve our backend data.
+// Helper structure we store in the void* RendererUserData field of each ImGuiViewport to easily retrieve our backend data.
 struct ImGui_ImplWin32_ViewportData
 {
     HWND    Hwnd;
@@ -1019,7 +1019,7 @@ static void ImGui_ImplWin32_SetWindowPos(ImGuiViewport* viewport, ImVec2 pos)
     IM_ASSERT(vd->Hwnd != 0);
     RECT rect = { (LONG)pos.x, (LONG)pos.y, (LONG)pos.x, (LONG)pos.y };
     ::AdjustWindowRectEx(&rect, vd->DwStyle, FALSE, vd->DwExStyle);
-    ::SetWindowPos(vd->Hwnd, NULL, rect.left, rect.top, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
+    ::SetWindowPos(vd->Hwnd, nullptr, rect.left, rect.top, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);
 }
 
 static ImVec2 ImGui_ImplWin32_GetWindowSize(ImGuiViewport* viewport)

examples/example_win32_directx11/main.cpp

@@ -279,7 +279,7 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
             //const int dpi = HIWORD(wParam);
             //printf("WM_DPICHANGED to %d (%.0f%%)\n", dpi, (float)dpi / 96.0f * 100.0f);
             const RECT* suggested_rect = (RECT*)lParam;
-            ::SetWindowPos(hWnd, NULL, suggested_rect->left, suggested_rect->top, suggested_rect->right - suggested_rect->left, suggested_rect->bottom - suggested_rect->top, SWP_NOZORDER | SWP_NOACTIVATE);
+            ::SetWindowPos(hWnd, nullptr, suggested_rect->left, suggested_rect->top, suggested_rect->right - suggested_rect->left, suggested_rect->bottom - suggested_rect->top, SWP_NOZORDER | SWP_NOACTIVATE);
         }
         break;
     }

examples/example_win32_directx12/main.cpp

@@ -221,7 +221,7 @@ int main(int, char**)
         if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
         {
             ImGui::UpdatePlatformWindows();
-            ImGui::RenderPlatformWindowsDefault(NULL, (void*)g_pd3dCommandList);
+            ImGui::RenderPlatformWindowsDefault(nullptr, (void*)g_pd3dCommandList);
         }
 
         g_pSwapChain->Present(1, 0); // Present with vsync

examples/example_win32_directx9/main.cpp

@@ -262,7 +262,7 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
             //const int dpi = HIWORD(wParam);
             //printf("WM_DPICHANGED to %d (%.0f%%)\n", dpi, (float)dpi / 96.0f * 100.0f);
             const RECT* suggested_rect = (RECT*)lParam;
-            ::SetWindowPos(hWnd, NULL, suggested_rect->left, suggested_rect->top, suggested_rect->right - suggested_rect->left, suggested_rect->bottom - suggested_rect->top, SWP_NOZORDER | SWP_NOACTIVATE);
+            ::SetWindowPos(hWnd, nullptr, suggested_rect->left, suggested_rect->top, suggested_rect->right - suggested_rect->left, suggested_rect->bottom - suggested_rect->top, SWP_NOZORDER | SWP_NOACTIVATE);
         }
         break;
     }