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mirror of synced 2024-11-25 16:20:23 +01:00
ImHex/source/window.cpp

136 lines
3.8 KiB
C++

#include "window.hpp"
#include <iostream>
#include "imgui.h"
#include "imgui_impl_glfw.h"
#include "imgui_impl_opengl3.h"
#include <glad/glad.h>
#include <GLFW/glfw3.h>
namespace hex {
Window::Window() {
this->initGLFW();
this->initImGui();
}
Window::~Window() {
this->deinitImGui();
this->deinitGLFW();
for (auto &view : this->m_views)
delete view;
}
void Window::loop() {
while (!glfwWindowShouldClose(this->m_window)) {
this->frameBegin();
for (auto &view : this->m_views)
view->createView();
this->frameEnd();
}
}
void Window::frameBegin() {
glfwPollEvents();
ImGui_ImplOpenGL3_NewFrame();
ImGui_ImplGlfw_NewFrame();
ImGui::NewFrame();
ImGuiWindowFlags windowFlags = ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoDocking;
ImGuiViewport* viewport = ImGui::GetMainViewport();
ImGui::SetNextWindowPos(viewport->GetWorkPos());
ImGui::SetNextWindowSize(viewport->GetWorkSize());
ImGui::SetNextWindowViewport(viewport->ID);
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
windowFlags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove;
windowFlags |= ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoNavFocus;
ImGui::Begin("DockSpace", nullptr, windowFlags);
ImGui::PopStyleVar(2);
ImGui::DockSpace(ImGui::GetID("MainDock"), ImVec2(0.0f, 0.0f), ImGuiDockNodeFlags_None);
ImGui::BeginMenuBar();
for (auto &view : this->m_views)
view->createMenu();
ImGui::EndMenuBar();
ImGui::End();
}
void Window::frameEnd() {
ImGui::Render();
int display_w, display_h;
glfwGetFramebufferSize(this->m_window, &display_w, &display_h);
glViewport(0, 0, display_w, display_h);
glClearColor(0.45f, 0.55f, 0.60f, 1.00f);
glClear(GL_COLOR_BUFFER_BIT);
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
glfwSwapBuffers(this->m_window);
}
static void glfw_error_callback(int error, const char* description)
{
fprintf(stderr, "Glfw Error %d: %s\n", error, description);
}
void Window::initGLFW() {
glfwSetErrorCallback(glfw_error_callback);
if (!glfwInit())
throw std::runtime_error("Failed to initialize GLFW!");
#ifdef __APPLE__
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#endif
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
this->m_window = glfwCreateWindow(1280, 720, "ImHex", nullptr, nullptr);
if (this->m_window == nullptr)
throw std::runtime_error("Failed to create window!");
glfwMakeContextCurrent(this->m_window);
glfwSwapInterval(1);
if (gladLoadGL() == 0)
throw std::runtime_error("Failed to initialize OpenGL loader!");
}
void Window::initImGui() {
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
ImGui::StyleColorsDark();
ImGui_ImplGlfw_InitForOpenGL(this->m_window, true);
ImGui_ImplOpenGL3_Init("#version 150");
}
void Window::deinitGLFW() {
glfwDestroyWindow(this->m_window);
glfwTerminate();
}
void Window::deinitImGui() {
ImGui_ImplOpenGL3_Shutdown();
ImGui_ImplGlfw_Shutdown();
ImGui::DestroyContext();
}
}