121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
#include <cmath>
|
|
|
|
#include "frame.h"
|
|
|
|
#include <imgui_impl_glfw.h>
|
|
#include <imgui_impl_opengl2.h>
|
|
|
|
#include <libreborn/log.h>
|
|
#include <libreborn/glfw.h>
|
|
#include <libreborn/util.h>
|
|
|
|
// Init/Cleanup
|
|
Frame::Frame(const char *title, const int width, const int height) {
|
|
// Create Window
|
|
init_glfw();
|
|
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 1);
|
|
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
|
|
window = create_glfw_window(title, width, height);
|
|
|
|
// Load OpenGL
|
|
gladLoadGL(glfwGetProcAddress);
|
|
|
|
// Disable V-Sync
|
|
// (On Wayland, This Fixes Issues With The Clipboard)
|
|
glfwSwapInterval(0);
|
|
|
|
// Setup ImGui Context
|
|
IMGUI_CHECKVERSION();
|
|
ImGui::CreateContext();
|
|
ImGuiIO &io = ImGui::GetIO();
|
|
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
|
|
io.IniFilename = nullptr;
|
|
io.LogFilename = nullptr;
|
|
|
|
// Setup Platform/Renderer Backends
|
|
ImGui_ImplGlfw_InitForOpenGL(window, true);
|
|
ImGui_ImplOpenGL2_Init();
|
|
}
|
|
Frame::~Frame() {
|
|
// Shutdown ImGui
|
|
ImGui_ImplOpenGL2_Shutdown();
|
|
ImGui_ImplGlfw_Shutdown();
|
|
ImGui::DestroyContext();
|
|
// Cleanup GLFW
|
|
cleanup_glfw(window);
|
|
}
|
|
|
|
// Run Loop
|
|
int Frame::run() {
|
|
int ret = 0;
|
|
while (!glfwWindowShouldClose(window) && ret == 0) {
|
|
glfwPollEvents();
|
|
// Update Style
|
|
static float last_scale = -1.0f;
|
|
float scale;
|
|
get_glfw_scale(window, &scale, nullptr);
|
|
if (scale != last_scale) {
|
|
last_scale = scale;
|
|
setup_style(scale);
|
|
}
|
|
// Start Frame
|
|
ImGui_ImplOpenGL2_NewFrame();
|
|
ImGui_ImplGlfw_NewFrame();
|
|
ImGui::NewFrame();
|
|
// Main Window
|
|
ImGui::SetNextWindowPos({0, 0});
|
|
int width, height;
|
|
glfwGetFramebufferSize(window, &width, &height);
|
|
ImGui::SetNextWindowSize({float(width), float(height)});
|
|
if (ImGui::Begin("###Frame", nullptr, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoScrollWithMouse)) {
|
|
ret = render();
|
|
}
|
|
ImGui::End();
|
|
// Render To OpenGL
|
|
ImGui::Render();
|
|
ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData());
|
|
glfwSwapBuffers(window);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
// Style
|
|
EMBEDDED_RESOURCE(Roboto_Medium_ttf);
|
|
EMBEDDED_RESOURCE(Cousine_Regular_ttf);
|
|
void Frame::setup_style(const float scale) {
|
|
// Fonts
|
|
const ImGuiIO &io = ImGui::GetIO();
|
|
io.Fonts->Clear();
|
|
ImFontConfig font_cfg;
|
|
font_cfg.FontDataOwnedByAtlas = false;
|
|
io.Fonts->AddFontFromMemoryTTF(Roboto_Medium_ttf, int(Roboto_Medium_ttf_len), std::floor(20.0f * scale), &font_cfg);
|
|
monospace = io.Fonts->AddFontFromMemoryTTF(Cousine_Regular_ttf, int(Cousine_Regular_ttf_len), std::floor(18.0f * scale), &font_cfg);
|
|
// Style
|
|
ImGuiStyle &style = ImGui::GetStyle();
|
|
style = ImGuiStyle();
|
|
style.WindowBorderSize = 0;
|
|
ImGui::StyleColorsDark(&style);
|
|
style.ScaleAllSizes(scale);
|
|
patch_colors(style);
|
|
}
|
|
|
|
// Right-Aligned Buttons
|
|
void Frame::draw_right_aligned_buttons(const std::vector<const char *> &buttons, const std::function<void(int, bool)> &callback) {
|
|
// Calculate Position
|
|
const ImGuiStyle &style = ImGui::GetStyle();
|
|
float width_needed = 0;
|
|
for (const char *text : buttons) {
|
|
if (width_needed > 0) {
|
|
width_needed += style.ItemSpacing.x;
|
|
}
|
|
width_needed += ImGui::CalcTextSize(text).x + style.FramePadding.x * 2.0f;
|
|
}
|
|
ImGui::SetCursorPosX(ImGui::GetCursorPosX() + ImGui::GetContentRegionAvail().x - width_needed);
|
|
// Draw
|
|
for (std::vector<const char *>::size_type id = 0; id < buttons.size(); id++) {
|
|
if (id > 0) {
|
|
ImGui::SameLine();
|
|
}
|
|
callback(int(id), ImGui::Button(buttons[id]));
|
|
}
|
|
} |