60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
#pragma once
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#include <RmlUi/Core/Input.h>
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#include <RmlUi/Core/SystemInterface.h>
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#include <RmlUi/Core/Types.h>
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#include <GLFW/glfw3.h>
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class SystemInterface_GLFW : public Rml::SystemInterface {
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public:
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SystemInterface_GLFW();
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~SystemInterface_GLFW();
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// Optionally, provide or change the window to be used for setting the mouse cursors and clipboard text.
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void SetWindow(GLFWwindow* window);
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// -- Inherited from Rml::SystemInterface --
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double GetElapsedTime() override;
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void SetMouseCursor(const Rml::String& cursor_name) override;
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void SetClipboardText(const Rml::String& text) override;
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void GetClipboardText(Rml::String& text) override;
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private:
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GLFWwindow* window = nullptr;
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GLFWcursor* cursor_pointer = nullptr;
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GLFWcursor* cursor_cross = nullptr;
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GLFWcursor* cursor_text = nullptr;
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GLFWcursor* cursor_move = nullptr;
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GLFWcursor* cursor_resize = nullptr;
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GLFWcursor* cursor_unavailable = nullptr;
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};
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/**
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Optional helper functions for the GLFW plaform.
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*/
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namespace RmlGLFW {
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// The following optional functions are intended to be called from their respective GLFW callback functions. The functions expect arguments passed
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// directly from GLFW, in addition to the RmlUi context to apply the input or sizing event on. The input callbacks return true if the event is
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// propagating, i.e. was not handled by the context.
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bool ProcessKeyCallback(Rml::Context* context, int key, int action, int mods);
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bool ProcessCharCallback(Rml::Context* context, unsigned int codepoint);
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bool ProcessCursorEnterCallback(Rml::Context* context, int entered);
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bool ProcessCursorPosCallback(Rml::Context* context, GLFWwindow* window, double xpos, double ypos, int mods);
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bool ProcessMouseButtonCallback(Rml::Context* context, int button, int action, int mods);
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bool ProcessScrollCallback(Rml::Context* context, double yoffset, int mods);
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void ProcessFramebufferSizeCallback(Rml::Context* context, int width, int height);
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void ProcessContentScaleCallback(Rml::Context* context, float xscale);
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// Converts the GLFW key to RmlUi key.
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Rml::Input::KeyIdentifier ConvertKey(int glfw_key);
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// Converts the GLFW key modifiers to RmlUi key modifiers.
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int ConvertKeyModifiers(int glfw_mods);
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} // namespace RmlGLFW
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