19f464c52Smaya//----------------------------------------------------------------------------- 29f464c52Smaya// COMPILE-TIME OPTIONS FOR DEAR IMGUI 39f464c52Smaya// Runtime options (clipboard callbacks, enabling various features, etc.) can generally be set via the ImGuiIO structure. 49f464c52Smaya// You can use ImGui::SetAllocatorFunctions() before calling ImGui::CreateContext() to rewire memory allocation functions. 59f464c52Smaya//----------------------------------------------------------------------------- 69f464c52Smaya// A) You may edit imconfig.h (and not overwrite it when updating imgui, or maintain a patch/branch with your modifications to imconfig.h) 79f464c52Smaya// B) or add configuration directives in your own file and compile with #define IMGUI_USER_CONFIG "myfilename.h" 89f464c52Smaya// If you do so you need to make sure that configuration settings are defined consistently _everywhere_ dear imgui is used, which include 99f464c52Smaya// the imgui*.cpp files but also _any_ of your code that uses imgui. This is because some compile-time options have an affect on data structures. 109f464c52Smaya// Defining those options in imconfig.h will ensure every compilation unit gets to see the same data structure layouts. 119f464c52Smaya// Call IMGUI_CHECKVERSION() from your .cpp files to verify that the data structures your files are using are matching the ones imgui.cpp is using. 129f464c52Smaya//----------------------------------------------------------------------------- 139f464c52Smaya 149f464c52Smaya#pragma once 159f464c52Smaya 169f464c52Smaya// Have each embedded of ImGui define this symbol : 179f464c52Smayastruct ImGuiContext; 189f464c52Smayaextern thread_local ImGuiContext* __MesaImGui; 199f464c52Smaya#define GImGui __MesaImGui 209f464c52Smaya 219f464c52Smaya//---- Define assertion handler. Defaults to calling assert(). 229f464c52Smaya//#define IM_ASSERT(_EXPR) MyAssert(_EXPR) 239f464c52Smaya//#define IM_ASSERT(_EXPR) ((void)(_EXPR)) // Disable asserts 249f464c52Smaya 259f464c52Smaya//---- Define attributes of all API symbols declarations, e.g. for DLL under Windows. 269f464c52Smaya//#define IMGUI_API __declspec( dllexport ) 279f464c52Smaya//#define IMGUI_API __declspec( dllimport ) 289f464c52Smaya 299f464c52Smaya//---- Don't define obsolete functions/enums names. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names. 309f464c52Smaya//#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS 319f464c52Smaya 329f464c52Smaya//---- Don't implement demo windows functionality (ShowDemoWindow()/ShowStyleEditor()/ShowUserGuide() methods will be empty) 339f464c52Smaya//---- It is very strongly recommended to NOT disable the demo windows during development. Please read the comments in imgui_demo.cpp. 349f464c52Smaya//#define IMGUI_DISABLE_DEMO_WINDOWS 359f464c52Smaya 369f464c52Smaya//---- Don't implement some functions to reduce linkage requirements. 379f464c52Smaya//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc. 389f464c52Smaya//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] Don't implement default IME handler. Won't use and link with ImmGetContext/ImmSetCompositionWindow. 399f464c52Smaya//#define IMGUI_DISABLE_WIN32_FUNCTIONS // [Win32] Won't use and link with any Win32 function. 409f464c52Smaya//#define IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself if you don't want to link with vsnprintf. 419f464c52Smaya//#define IMGUI_DISABLE_MATH_FUNCTIONS // Don't implement ImFabs/ImSqrt/ImPow/ImFmod/ImCos/ImSin/ImAcos/ImAtan2 wrapper so you can implement them yourself. Declare your prototypes in imconfig.h. 429f464c52Smaya//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions(). 439f464c52Smaya 449f464c52Smaya//---- Include imgui_user.h at the end of imgui.h as a convenience 459f464c52Smaya//#define IMGUI_INCLUDE_IMGUI_USER_H 469f464c52Smaya 479f464c52Smaya//---- Pack colors to BGRA8 instead of RGBA8 (to avoid converting from one to another) 489f464c52Smaya//#define IMGUI_USE_BGRA_PACKED_COLOR 499f464c52Smaya 509f464c52Smaya//---- Avoid multiple STB libraries implementations, or redefine path/filenames to prioritize another version 519f464c52Smaya// By default the embedded implementations are declared static and not available outside of imgui cpp files. 529f464c52Smaya//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h" 539f464c52Smaya//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h" 549f464c52Smaya//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION 559f464c52Smaya//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION 569f464c52Smaya 579f464c52Smaya//---- Define constructor and implicit cast operators to convert back<>forth between your math types and ImVec2/ImVec4. 589f464c52Smaya// This will be inlined as part of ImVec2 and ImVec4 class declarations. 599f464c52Smaya/* 609f464c52Smaya#define IM_VEC2_CLASS_EXTRA \ 619f464c52Smaya ImVec2(const MyVec2& f) { x = f.x; y = f.y; } \ 629f464c52Smaya operator MyVec2() const { return MyVec2(x,y); } 639f464c52Smaya 649f464c52Smaya#define IM_VEC4_CLASS_EXTRA \ 659f464c52Smaya ImVec4(const MyVec4& f) { x = f.x; y = f.y; z = f.z; w = f.w; } \ 669f464c52Smaya operator MyVec4() const { return MyVec4(x,y,z,w); } 679f464c52Smaya*/ 689f464c52Smaya 699f464c52Smaya//---- Use 32-bit vertex indices (default is 16-bit) to allow meshes with more than 64K vertices. Render function needs to support it. 709f464c52Smaya//#define ImDrawIdx unsigned int 719f464c52Smaya 729f464c52Smaya//---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files. 739f464c52Smaya/* 749f464c52Smayanamespace ImGui 759f464c52Smaya{ 769f464c52Smaya void MyFunction(const char* name, const MyMatrix44& v); 779f464c52Smaya} 789f464c52Smaya*/ 79