Added hex editor and basic pattern parsing/highlighting

source/window.cpp

@@ -0,0 +1,136 @@
+#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();
+    }
+
+}