53 lines
3.9 KiB
C
53 lines
3.9 KiB
C
// dear imgui: Platform Backend for GLFW
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// This needs to be used along with a Renderer (e.g. OpenGL3, Vulkan, WebGPU..)
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// (Info: GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan graphics context creation, etc.)
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// (Requires: GLFW 3.1+. Prefer GLFW 3.3+ for full feature support.)
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// Implemented features:
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// [X] Platform: Clipboard support.
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// [X] Platform: Mouse support. Can discriminate Mouse/TouchScreen/Pen (Windows only).
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// [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy GLFW_KEY_* values will also be supported unless IMGUI_DISABLE_OBSOLETE_KEYIO is set]
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// [X] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
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// [x] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange' (note: the resizing cursors requires GLFW 3.4+).
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// [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
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// Issues:
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// [ ] Platform: Multi-viewport support: ParentViewportID not honored, and so io.ConfigViewportsNoDefaultParent has no effect (minor).
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
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// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
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// Read online: https://github.com/ocornut/imgui/tree/master/docs
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#pragma once
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#include "imgui.h" // IMGUI_IMPL_API
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struct GLFWwindow;
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struct GLFWmonitor;
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IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForOpenGL(GLFWwindow* window, bool install_callbacks);
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IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForVulkan(GLFWwindow* window, bool install_callbacks);
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IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForOther(GLFWwindow* window, bool install_callbacks);
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IMGUI_IMPL_API void ImGui_ImplGlfw_Shutdown();
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IMGUI_IMPL_API void ImGui_ImplGlfw_NewFrame();
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// GLFW callbacks install
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// - When calling Init with 'install_callbacks=true': ImGui_ImplGlfw_InstallCallbacks() is called. GLFW callbacks will be installed for you. They will chain-call user's previously installed callbacks, if any.
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// - When calling Init with 'install_callbacks=false': GLFW callbacks won't be installed. You will need to call individual function yourself from your own GLFW callbacks.
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IMGUI_IMPL_API void ImGui_ImplGlfw_InstallCallbacks(GLFWwindow* window);
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IMGUI_IMPL_API void ImGui_ImplGlfw_RestoreCallbacks(GLFWwindow* window);
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// GFLW callbacks options:
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// - Set 'chain_for_all_windows=true' to enable chaining callbacks for all windows (including secondary viewports created by backends or by user)
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IMGUI_IMPL_API void ImGui_ImplGlfw_SetCallbacksChainForAllWindows(bool chain_for_all_windows);
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// GLFW callbacks (individual callbacks to call yourself if you didn't install callbacks)
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IMGUI_IMPL_API void ImGui_ImplGlfw_WindowFocusCallback(GLFWwindow* window, int focused); // Since 1.84
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IMGUI_IMPL_API void ImGui_ImplGlfw_CursorEnterCallback(GLFWwindow* window, int entered); // Since 1.84
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IMGUI_IMPL_API void ImGui_ImplGlfw_CursorPosCallback(GLFWwindow* window, double x, double y); // Since 1.87
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IMGUI_IMPL_API void ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods);
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IMGUI_IMPL_API void ImGui_ImplGlfw_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset);
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IMGUI_IMPL_API void ImGui_ImplGlfw_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods);
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IMGUI_IMPL_API void ImGui_ImplGlfw_CharCallback(GLFWwindow* window, unsigned int c);
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IMGUI_IMPL_API void ImGui_ImplGlfw_MonitorCallback(GLFWmonitor* monitor, int event);
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