143 lines
4.3 KiB
C++
143 lines
4.3 KiB
C++
/*
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* Copyright 2011-2018 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
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*/
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#ifndef IMGUI_H_HEADER_GUARD
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#define IMGUI_H_HEADER_GUARD
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#include <bgfx/bgfx.h>
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#include <ocornut-imgui/imgui.h>
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#include <iconfontheaders/icons_kenney.h>
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#include <iconfontheaders/icons_font_awesome.h>
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#define IMGUI_MBUT_LEFT 0x01
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#define IMGUI_MBUT_RIGHT 0x02
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#define IMGUI_MBUT_MIDDLE 0x04
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inline uint32_t imguiRGBA(uint8_t _r, uint8_t _g, uint8_t _b, uint8_t _a = 255)
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{
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return 0
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| (uint32_t(_r) << 0)
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| (uint32_t(_g) << 8)
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| (uint32_t(_b) << 16)
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| (uint32_t(_a) << 24)
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;
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}
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namespace bx { struct AllocatorI; }
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void imguiCreate(float _fontSize = 18.0f, bx::AllocatorI* _allocator = NULL);
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void imguiDestroy();
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void imguiBeginFrame(int32_t _mx, int32_t _my, uint8_t _button, int32_t _scroll, uint16_t _width, uint16_t _height, char _inputChar = 0, bgfx::ViewId _view = 255);
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void imguiEndFrame();
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namespace entry { class AppI; }
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void showExampleDialog(entry::AppI* _app, const char* _errorText = NULL);
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namespace ImGui
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{
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#define IMGUI_FLAGS_NONE UINT8_C(0x00)
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#define IMGUI_FLAGS_ALPHA_BLEND UINT8_C(0x01)
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// Helper function for passing bgfx::TextureHandle to ImGui::Image.
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inline void Image(bgfx::TextureHandle _handle
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, uint8_t _flags
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, uint8_t _mip
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, const ImVec2& _size
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, const ImVec2& _uv0 = ImVec2(0.0f, 0.0f)
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, const ImVec2& _uv1 = ImVec2(1.0f, 1.0f)
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, const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f)
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, const ImVec4& _borderCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f)
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)
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{
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union { struct { bgfx::TextureHandle handle; uint8_t flags; uint8_t mip; } s; ImTextureID ptr; } texture;
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texture.s.handle = _handle;
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texture.s.flags = _flags;
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texture.s.mip = _mip;
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Image(texture.ptr, _size, _uv0, _uv1, _tintCol, _borderCol);
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}
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// Helper function for passing bgfx::TextureHandle to ImGui::Image.
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inline void Image(bgfx::TextureHandle _handle
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, const ImVec2& _size
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, const ImVec2& _uv0 = ImVec2(0.0f, 0.0f)
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, const ImVec2& _uv1 = ImVec2(1.0f, 1.0f)
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, const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f)
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, const ImVec4& _borderCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f)
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)
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{
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Image(_handle, IMGUI_FLAGS_ALPHA_BLEND, 0, _size, _uv0, _uv1, _tintCol, _borderCol);
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}
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// Helper function for passing bgfx::TextureHandle to ImGui::ImageButton.
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inline bool ImageButton(bgfx::TextureHandle _handle
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, uint8_t _flags
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, uint8_t _mip
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, const ImVec2& _size
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, const ImVec2& _uv0 = ImVec2(0.0f, 0.0f)
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, const ImVec2& _uv1 = ImVec2(1.0f, 1.0f)
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, int _framePadding = -1
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, const ImVec4& _bgCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f)
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, const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f)
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)
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{
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union { struct { bgfx::TextureHandle handle; uint8_t flags; uint8_t mip; } s; ImTextureID ptr; } texture;
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texture.s.handle = _handle;
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texture.s.flags = _flags;
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texture.s.mip = _mip;
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return ImageButton(texture.ptr, _size, _uv0, _uv1, _framePadding, _bgCol, _tintCol);
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}
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// Helper function for passing bgfx::TextureHandle to ImGui::ImageButton.
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inline bool ImageButton(bgfx::TextureHandle _handle
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, const ImVec2& _size
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, const ImVec2& _uv0 = ImVec2(0.0f, 0.0f)
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, const ImVec2& _uv1 = ImVec2(1.0f, 1.0f)
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, int _framePadding = -1
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, const ImVec4& _bgCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f)
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, const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f)
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)
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{
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return ImageButton(_handle, IMGUI_FLAGS_ALPHA_BLEND, 0, _size, _uv0, _uv1, _framePadding, _bgCol, _tintCol);
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}
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inline void NextLine()
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{
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SetCursorPosY(GetCursorPosY() + GetTextLineHeightWithSpacing() );
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}
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inline bool TabButton(const char* _text, float _width, bool _active)
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{
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int32_t count = 1;
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if (_active)
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{
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(1.0f, 0.75f, 0.0f, 0.78f) );
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ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(0.0f, 0.0f, 0.0f, 1.0f ) );
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count = 2;
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}
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else
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{
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.5f, 0.5f, 0.5f, 0.7f) );
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}
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bool retval = ImGui::Button(_text, ImVec2(_width, 20.0f) );
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ImGui::PopStyleColor(count);
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return retval;
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}
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inline bool MouseOverArea()
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{
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return false
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|| ImGui::IsAnyItemHovered()
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|| ImGui::IsWindowHovered(ImGuiHoveredFlags_AnyWindow)
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;
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}
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} // namespace ImGui
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#endif // IMGUI_H_HEADER_GUARD
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