94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
#include "SDL.hpp"
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#ifdef _WIN32
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#include "D3D.hpp"
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#include <windows.h>
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#include <imgui_impl_dx11.h>
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#endif
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#include <imgui_impl_sdl2.h>
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#include <imgui.h>
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#include <string>
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#include <iostream>
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namespace Li::Gui {
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SDL::SDL(std::string windowTitle, int windowWidth, int windowHeight) {
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if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0)
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{
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std::cout << "Error: " << SDL_GetError() << std::endl;
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return;
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}
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#ifdef SDL_HINT_IME_SHOW_UI
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SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");
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#endif
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SDL_WindowFlags windowFlags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
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this->window = SDL_CreateWindow(windowTitle.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, windowWidth, windowHeight, windowFlags);
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SDL_VERSION(&this->wmInfo.version);
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SDL_GetWindowWMInfo(this->window, &this->wmInfo);
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#ifdef _WIN32
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HWND hwnd = (HWND)this->wmInfo.info.win.window;
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this->renderer = new D3D(hwnd);
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#endif
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO();
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io.IniFilename = nullptr;
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
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ImGui::StyleColorsDark();
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#ifdef _WIN32
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ImGui_ImplSDL2_InitForD3D(this->window);
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this->renderer->InitImgui();
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#endif
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isExiting = false;
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}
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bool SDL::IsExiting() {
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return this->isExiting;
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}
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void SDL::PollEvent() {
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SDL_Event event;
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while (SDL_PollEvent(&event))
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{
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ImGui_ImplSDL2_ProcessEvent(&event);
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if (event.type == SDL_QUIT)
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this->isExiting = true;
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if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
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this->isExiting = true;
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if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window))
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{
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// Release all outstanding references to the swap chain's buffers before resizing.
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#ifdef _WIN32
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D3D* d3d = (D3D*)this->renderer;
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d3d->Resize();
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#endif
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}
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}
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}
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void SDL::NewFrame() {
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this->renderer->ImGuiNewFrame();
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ImGui_ImplSDL2_NewFrame();
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ImGui::NewFrame();
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}
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void SDL::Render() {
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ImGui::Render();
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ImVec4 clearColor = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
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this->renderer->Render(clearColor);
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}
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SDL::~SDL() {
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#ifdef _WIN32
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ImGui_ImplDX11_Shutdown();
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#endif
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ImGui_ImplSDL2_Shutdown();
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ImGui::DestroyContext();
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delete renderer;
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SDL_DestroyWindow(this->window);
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SDL_Quit();
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}
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} |