diff options
Diffstat (limited to 'src/imgui/examples/example_win32_opengl3')
4 files changed, 486 insertions, 0 deletions
diff --git a/src/imgui/examples/example_win32_opengl3/build_win32.bat b/src/imgui/examples/example_win32_opengl3/build_win32.bat new file mode 100644 index 0000000..48df080 --- /dev/null +++ b/src/imgui/examples/example_win32_opengl3/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +@set OUT_DIR=Debug +@set OUT_EXE=example_win32_opengl3 +@set INCLUDES=/I..\.. /I..\..\backends +@set SOURCES=main.cpp ..\..\backends\imgui_impl_opengl3.cpp ..\..\backends\imgui_impl_win32.cpp ..\..\imgui*.cpp +@set LIBS=opengl32.lib +mkdir %OUT_DIR% +cl /nologo /Zi /MD /utf-8 %INCLUDES% /D UNICODE /D _UNICODE %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% diff --git a/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj b/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj new file mode 100644 index 0000000..98fc38f --- /dev/null +++ b/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj @@ -0,0 +1,176 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup Label="ProjectConfigurations"> + <ProjectConfiguration Include="Debug|Win32"> + <Configuration>Debug</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Debug|x64"> + <Configuration>Debug</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Release|Win32"> + <Configuration>Release</Configuration> + <Platform>Win32</Platform> + </ProjectConfiguration> + <ProjectConfiguration Include="Release|x64"> + <Configuration>Release</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> + </ItemGroup> + <PropertyGroup Label="Globals"> + <ProjectGuid>{C624E5FF-D4FE-4D35-9164-B8A91864F98E}</ProjectGuid> + <RootNamespace>example_win32_opengl2</RootNamespace> + <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <UseDebugLibraries>true</UseDebugLibraries> + <CharacterSet>Unicode</CharacterSet> + <PlatformToolset>v140</PlatformToolset> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <UseDebugLibraries>true</UseDebugLibraries> + <CharacterSet>Unicode</CharacterSet> + <PlatformToolset>v140</PlatformToolset> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <UseDebugLibraries>false</UseDebugLibraries> + <WholeProgramOptimization>true</WholeProgramOptimization> + <CharacterSet>Unicode</CharacterSet> + <PlatformToolset>v140</PlatformToolset> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <UseDebugLibraries>false</UseDebugLibraries> + <WholeProgramOptimization>true</WholeProgramOptimization> + <CharacterSet>Unicode</CharacterSet> + <PlatformToolset>v140</PlatformToolset> + </PropertyGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" /> + <ImportGroup Label="ExtensionSettings"> + </ImportGroup> + <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + </ImportGroup> + <PropertyGroup Label="UserMacros" /> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <OutDir>$(ProjectDir)$(Configuration)\</OutDir> + <IntDir>$(ProjectDir)$(Configuration)\</IntDir> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> + <OutDir>$(ProjectDir)$(Configuration)\</OutDir> + <IntDir>$(ProjectDir)$(Configuration)\</IntDir> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <OutDir>$(ProjectDir)$(Configuration)\</OutDir> + <IntDir>$(ProjectDir)$(Configuration)\</IntDir> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'"> + <OutDir>$(ProjectDir)$(Configuration)\</OutDir> + <IntDir>$(ProjectDir)$(Configuration)\</IntDir> + </PropertyGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> + <ClCompile> + <WarningLevel>Level4</WarningLevel> + <Optimization>Disabled</Optimization> + <AdditionalIncludeDirectories>..\..;..\..\backends;</AdditionalIncludeDirectories> + <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions> + </ClCompile> + <Link> + <GenerateDebugInformation>true</GenerateDebugInformation> + <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> + <AdditionalDependencies>opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> + <ClCompile> + <WarningLevel>Level4</WarningLevel> + <Optimization>Disabled</Optimization> + <AdditionalIncludeDirectories>..\..;..\..\backends;</AdditionalIncludeDirectories> + <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions> + </ClCompile> + <Link> + <GenerateDebugInformation>true</GenerateDebugInformation> + <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> + <AdditionalDependencies>opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> + <ClCompile> + <WarningLevel>Level4</WarningLevel> + <Optimization>MaxSpeed</Optimization> + <FunctionLevelLinking>true</FunctionLevelLinking> + <IntrinsicFunctions>true</IntrinsicFunctions> + <AdditionalIncludeDirectories>..\..;..\..\backends;</AdditionalIncludeDirectories> + <BufferSecurityCheck>false</BufferSecurityCheck> + <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions> + </ClCompile> + <Link> + <GenerateDebugInformation>true</GenerateDebugInformation> + <EnableCOMDATFolding>true</EnableCOMDATFolding> + <OptimizeReferences>true</OptimizeReferences> + <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> + <AdditionalDependencies>opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'"> + <ClCompile> + <WarningLevel>Level4</WarningLevel> + <Optimization>MaxSpeed</Optimization> + <FunctionLevelLinking>true</FunctionLevelLinking> + <IntrinsicFunctions>true</IntrinsicFunctions> + <AdditionalIncludeDirectories>..\..;..\..\backends;</AdditionalIncludeDirectories> + <BufferSecurityCheck>false</BufferSecurityCheck> + <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions> + </ClCompile> + <Link> + <GenerateDebugInformation>true</GenerateDebugInformation> + <EnableCOMDATFolding>true</EnableCOMDATFolding> + <OptimizeReferences>true</OptimizeReferences> + <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories> + <AdditionalDependencies>opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + </Link> + </ItemDefinitionGroup> + <ItemGroup> + <ClCompile Include="..\..\imgui.cpp" /> + <ClCompile Include="..\..\imgui_demo.cpp" /> + <ClCompile Include="..\..\imgui_draw.cpp" /> + <ClCompile Include="..\..\imgui_tables.cpp" /> + <ClCompile Include="..\..\imgui_widgets.cpp" /> + <ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp" /> + <ClCompile Include="..\..\backends\imgui_impl_win32.cpp" /> + <ClCompile Include="main.cpp" /> + </ItemGroup> + <ItemGroup> + <ClInclude Include="..\..\imconfig.h" /> + <ClInclude Include="..\..\imgui.h" /> + <ClInclude Include="..\..\imgui_internal.h" /> + <ClInclude Include="..\..\backends\imgui_impl_opengl3.h" /> + <ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h" /> + <ClInclude Include="..\..\backends\imgui_impl_win32.h" /> + </ItemGroup> + <ItemGroup> + <None Include="..\..\misc\natvis\imgui.natvis" /> + <None Include="..\README.txt" /> + </ItemGroup> + <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" /> + <ImportGroup Label="ExtensionTargets"> + </ImportGroup> +</Project>
\ No newline at end of file diff --git a/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj.filters b/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj.filters new file mode 100644 index 0000000..47ed299 --- /dev/null +++ b/src/imgui/examples/example_win32_opengl3/example_win32_opengl3.vcxproj.filters @@ -0,0 +1,64 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <ItemGroup> + <Filter Include="sources"> + <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier> + <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions> + </Filter> + <Filter Include="imgui"> + <UniqueIdentifier>{a82cba23-9de0-45c2-b1e3-2eb1666702de}</UniqueIdentifier> + </Filter> + </ItemGroup> + <ItemGroup> + <ClCompile Include="main.cpp"> + <Filter>sources</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_demo.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_draw.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_widgets.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\backends\imgui_impl_win32.cpp"> + <Filter>sources</Filter> + </ClCompile> + <ClCompile Include="..\..\imgui_tables.cpp"> + <Filter>imgui</Filter> + </ClCompile> + <ClCompile Include="..\..\backends\imgui_impl_opengl3.cpp"> + <Filter>sources</Filter> + </ClCompile> + </ItemGroup> + <ItemGroup> + <ClInclude Include="..\..\imconfig.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\..\imgui.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\..\imgui_internal.h"> + <Filter>imgui</Filter> + </ClInclude> + <ClInclude Include="..\..\backends\imgui_impl_win32.h"> + <Filter>sources</Filter> + </ClInclude> + <ClInclude Include="..\..\backends\imgui_impl_opengl3.h"> + <Filter>sources</Filter> + </ClInclude> + <ClInclude Include="..\..\backends\imgui_impl_opengl3_loader.h"> + <Filter>sources</Filter> + </ClInclude> + </ItemGroup> + <ItemGroup> + <None Include="..\README.txt" /> + <None Include="..\..\misc\natvis\imgui.natvis"> + <Filter>sources</Filter> + </None> + </ItemGroup> +</Project>
\ No newline at end of file diff --git a/src/imgui/examples/example_win32_opengl3/main.cpp b/src/imgui/examples/example_win32_opengl3/main.cpp new file mode 100644 index 0000000..594931d --- /dev/null +++ b/src/imgui/examples/example_win32_opengl3/main.cpp @@ -0,0 +1,238 @@ +// Dear ImGui: standalone example application for Win32 + OpenGL 3 + +// Learn about Dear ImGui: +// - FAQ https://dearimgui.com/faq +// - Getting Started https://dearimgui.com/getting-started +// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). +// - Introduction, links and more at the top of imgui.cpp + +// This is provided for completeness, however it is strongly recommended you use OpenGL with SDL or GLFW. + +#include "imgui.h" +#include "imgui_impl_opengl3.h" +#include "imgui_impl_win32.h" +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#include <GL/GL.h> +#include <tchar.h> + +// Data stored per platform window +struct WGL_WindowData { HDC hDC; }; + +// Data +static HGLRC g_hRC; +static WGL_WindowData g_MainWindow; +static int g_Width; +static int g_Height; + +// Forward declarations of helper functions +bool CreateDeviceWGL(HWND hWnd, WGL_WindowData* data); +void CleanupDeviceWGL(HWND hWnd, WGL_WindowData* data); +void ResetDeviceWGL(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + //ImGui_ImplWin32_EnableDpiAwareness(); + WNDCLASSEXW wc = { sizeof(wc), CS_OWNDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr }; + ::RegisterClassExW(&wc); + HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+OpenGL3 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr); + + // Initialize OpenGL + if (!CreateDeviceWGL(hwnd, &g_MainWindow)) + { + CleanupDeviceWGL(hwnd, &g_MainWindow); + ::DestroyWindow(hwnd); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + return 1; + } + wglMakeCurrent(g_MainWindow.hDC, g_hRC); + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer backends + ImGui_ImplWin32_InitForOpenGL(hwnd); + ImGui_ImplOpenGL3_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. + // - Read 'docs/FONTS.md' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != nullptr); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle messages (inputs, window resize, etc.) + // See the WndProc() function below for our to dispatch events to the Win32 backend. + MSG msg; + while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + if (msg.message == WM_QUIT) + done = true; + } + if (done) + break; + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, g_Width, g_Height); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + + // Present + ::SwapBuffers(g_MainWindow.hDC); + } + + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceWGL(hwnd, &g_MainWindow); + wglDeleteContext(g_hRC); + ::DestroyWindow(hwnd); + ::UnregisterClassW(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions +bool CreateDeviceWGL(HWND hWnd, WGL_WindowData* data) +{ + HDC hDc = ::GetDC(hWnd); + PIXELFORMATDESCRIPTOR pfd = { 0 }; + pfd.nSize = sizeof(pfd); + pfd.nVersion = 1; + pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; + pfd.iPixelType = PFD_TYPE_RGBA; + pfd.cColorBits = 32; + + const int pf = ::ChoosePixelFormat(hDc, &pfd); + if (pf == 0) + return false; + if (::SetPixelFormat(hDc, pf, &pfd) == FALSE) + return false; + ::ReleaseDC(hWnd, hDc); + + data->hDC = ::GetDC(hWnd); + if (!g_hRC) + g_hRC = wglCreateContext(data->hDC); + return true; +} + +void CleanupDeviceWGL(HWND hWnd, WGL_WindowData* data) +{ + wglMakeCurrent(nullptr, nullptr); + ::ReleaseDC(hWnd, data->hDC); +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (wParam != SIZE_MINIMIZED) + { + g_Width = LOWORD(lParam); + g_Height = HIWORD(lParam); + } + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProcW(hWnd, msg, wParam, lParam); +} |