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Currently, the implementation headers don't include the imgui.h header. Which means that the compilation will fail if the implementation header was included before the imgui.h header in the compilation unit. For instance, a compilation unit with the following will work: #include "imgui.h" #include "imgui_impl_glfw.h" #include "imgui_impl_opengl3.h" But a compilation unit with the following will fail because IMGUI_IMPL_API and possibly other symbols will not be defined: #include "imgui_impl_glfw.h" #include "imgui_impl_opengl3.h" #include "imgui.h" This patch includes imgui.h in the implementation headers to make inclusions order-invariant, which is a recommended practice.
37 lines
2.3 KiB
C
37 lines
2.3 KiB
C
// dear imgui: Platform Binding for GLUT/FreeGLUT
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// This needs to be used along with a Renderer (e.g. OpenGL2)
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// !!! GLUT/FreeGLUT IS OBSOLETE SOFTWARE. Using GLUT is not recommended unless you really miss the 90's. !!!
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// !!! If someone or something is teaching you GLUT in 2020, you are being abused. Please show some resistance. !!!
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// !!! Nowadays, prefer using GLFW or SDL instead!
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// Issues:
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// [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
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// [ ] Platform: Missing mouse cursor shape/visibility support.
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// [ ] Platform: Missing clipboard support (not supported by Glut).
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// [ ] Platform: Missing gamepad support.
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// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
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// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
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// https://github.com/ocornut/imgui
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#pragma once
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#include "imgui.h"
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IMGUI_IMPL_API bool ImGui_ImplGLUT_Init();
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IMGUI_IMPL_API void ImGui_ImplGLUT_InstallFuncs();
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IMGUI_IMPL_API void ImGui_ImplGLUT_Shutdown();
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IMGUI_IMPL_API void ImGui_ImplGLUT_NewFrame();
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// You can call ImGui_ImplGLUT_InstallFuncs() to get all those functions installed automatically,
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// or call them yourself from your own GLUT handlers. We are using the same weird names as GLUT for consistency..
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//---------------------------------------- GLUT name --------------------------------------------- Decent Name ---------
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IMGUI_IMPL_API void ImGui_ImplGLUT_ReshapeFunc(int w, int h); // ~ ResizeFunc
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IMGUI_IMPL_API void ImGui_ImplGLUT_MotionFunc(int x, int y); // ~ MouseMoveFunc
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IMGUI_IMPL_API void ImGui_ImplGLUT_MouseFunc(int button, int state, int x, int y); // ~ MouseButtonFunc
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IMGUI_IMPL_API void ImGui_ImplGLUT_MouseWheelFunc(int button, int dir, int x, int y); // ~ MouseWheelFunc
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IMGUI_IMPL_API void ImGui_ImplGLUT_KeyboardFunc(unsigned char c, int x, int y); // ~ CharPressedFunc
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IMGUI_IMPL_API void ImGui_ImplGLUT_KeyboardUpFunc(unsigned char c, int x, int y); // ~ CharReleasedFunc
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IMGUI_IMPL_API void ImGui_ImplGLUT_SpecialFunc(int key, int x, int y); // ~ KeyPressedFunc
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IMGUI_IMPL_API void ImGui_ImplGLUT_SpecialUpFunc(int key, int x, int y); // ~ KeyReleasedFunc
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