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133 lines
3.1 KiB
C++
133 lines
3.1 KiB
C++
/**
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* @file main.cpp
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* @brief Program entry point and main loop.
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*
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* Copyright (C) 2021 Clyne Sullivan
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*
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* Distributed under the GNU GPL v3 or later. You should have received a copy of
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* the GNU General Public License along with this program.
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* If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "imgui.h"
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#include "backends/imgui_impl_sdl.h"
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#include "backends/imgui_impl_opengl2.h"
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#include "config.h"
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#include "logview.h"
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#include "stmdsp.hpp"
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#include <chrono>
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#include <cmath>
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#include <string>
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#include <thread>
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extern ImFont *fontSans;
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extern ImFont *fontMono;
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bool guiInitialize();
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bool guiHandleEvents();
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void guiShutdown();
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void guiRender(void (*func)());
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void fileRenderMenu();
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void fileRenderDialog();
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void fileInit();
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void codeEditorInit();
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void codeRenderMenu();
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void codeRenderToolbar();
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void codeRenderWidgets();
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void deviceRenderDraw();
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void deviceRenderMenu();
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void deviceRenderToolbar();
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void deviceRenderWidgets();
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static LogView logView;
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void log(const std::string& str)
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{
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logView.AddLog(str);
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}
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static void renderWindow();
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int main(int, char **)
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{
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if (!guiInitialize())
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return -1;
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codeEditorInit();
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fileInit();
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while (1) {
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constexpr std::chrono::duration<double> fpsDelay (1. / 60.);
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const auto endTime = std::chrono::steady_clock::now() + fpsDelay;
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const bool isDone = guiHandleEvents();
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if (!isDone) {
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renderWindow();
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std::this_thread::sleep_until(endTime);
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} else {
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break;
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}
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}
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guiShutdown();
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return 0;
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}
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void renderWindow()
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{
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// Start the new window frame and render the menu bar.
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ImGui_ImplOpenGL2_NewFrame();
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ImGui_ImplSDL2_NewFrame();
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ImGui::NewFrame();
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if (ImGui::BeginMainMenuBar()) {
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fileRenderMenu();
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deviceRenderMenu();
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codeRenderMenu();
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ImGui::EndMainMenuBar();
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}
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// Begin the main view which the controls will be drawn onto.
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constexpr float LOGVIEW_HEIGHT = 200;
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constexpr ImVec2 WINDOW_POS (0, 22);
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constexpr ImVec2 WINDOW_SIZE (WINDOW_WIDTH, WINDOW_HEIGHT - 22 - LOGVIEW_HEIGHT);
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ImGui::SetNextWindowPos(WINDOW_POS);
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ImGui::SetNextWindowSize(WINDOW_SIZE);
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ImGui::Begin("main", nullptr,
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ImGuiWindowFlags_NoBackground | ImGuiWindowFlags_NoDecoration |
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ImGuiWindowFlags_NoBringToFrontOnFocus);
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// Render main controls (order is important).
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{
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ImGui::PushFont(fontSans);
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codeRenderToolbar();
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deviceRenderToolbar();
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fileRenderDialog();
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deviceRenderWidgets();
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ImGui::PopFont();
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ImGui::PushFont(fontMono);
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codeRenderWidgets();
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ImGui::SetNextWindowPos({0, WINDOW_HEIGHT - LOGVIEW_HEIGHT});
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ImGui::SetNextWindowSize({WINDOW_WIDTH, LOGVIEW_HEIGHT});
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logView.Draw("log", nullptr, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoBringToFrontOnFocus);
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ImGui::PopFont();
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}
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ImGui::End();
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deviceRenderDraw();
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// Draw everything to the screen.
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ImGui::Render();
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guiRender([] {
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ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData());
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});
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}
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