453 lines
No EOL
21 KiB
C++
453 lines
No EOL
21 KiB
C++
#include "main.h"
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#include <data.h>
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#include <util.hpp>
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#include <assets/assets.h>
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#include <filesystem>
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#include <options.hpp>
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#include "ui_backend.hpp"
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#include "thirdparty/CLI11.hpp"
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void MainLoop::Init() {
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#ifdef PORTALS
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g_set_application_name("Looper");
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#endif
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// Our state
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show_demo_window = false;
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FileBrowser fileDialog(false, ImGuiFileBrowserFlags_NoTitleBar|ImGuiFileBrowserFlags_NoMove|ImGuiFileBrowserFlags_NoResize);
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fileDialog.SetPwd(path(userdir) / path("Music"));
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fileDialog.SetWindowSize(window_width, window_height);
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//fileDialog.SetWindowPos(0, 0);
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position = 0.0;
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prefs_window = false;
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theme_editor = false;
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stopped = true;
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about_window = false;
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string lang;
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{
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Json::Value config;
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std::ifstream stream;
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stream.open(path(prefPath) / "config.json");
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if (stream.is_open()) {
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stream >> config;
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if (config.isMember("theme_name")) {
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path themePath = theme->themeDir / config["theme_name"].asString();
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if (exists(themePath)) {
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delete theme;
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theme = new Theme(themePath);
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}
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}
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if (config.isMember("accent_color")) {
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if (config["accent_color"].isNumeric()) {
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accent_color.x = config["accent_color"].asFloat() / 360.0;
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} else {
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Json::Value accentColor = config["accent_color"];
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accent_color = ImVec4(accentColor["h"].asFloat(), accentColor["s"].asFloat(), accentColor["v"].asFloat(), accentColor["a"].asFloat());
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}
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}
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if (config.isMember("demo_window")) {
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show_demo_window = config["demo_window"].asBool();
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}
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if (config.isMember("vsync")) {
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vsync = config["vsync"].asBool();
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}
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if (config.isMember("framerate")) {
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framerate = config["framerate"].asUInt();
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}
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if (config.isMember("lang")) {
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Json::Value langValue;
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if (langValue.isNull()) {
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lang = DEFAULT_LANG;
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} else {
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lang = config["lang"].asString();
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}
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SET_LANG(lang.c_str());
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}
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stream.close();
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}
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if (is_empty(Theme::themeDir)) {
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path lightPath = Theme::themeDir / "light.toml";
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path darkPath = Theme::themeDir / "dark.toml";
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string builtinDescription = _TRS_CTX("Built-in themes | Theme default strings | name", "(built-in)");
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if (!exists(lightPath)) {
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Theme light(false);
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ThemeStrings &strings = light.strings["fallback"];
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strings.name = _TRS_CTX("Built-in light theme | Theme default strings | name", "Default light");
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strings.description = builtinDescription;
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light.strings[CURRENT_LANGUAGE] = strings;
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light.Save(lightPath);
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}
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if (!exists(darkPath)) {
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Theme dark(true);
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ThemeStrings &strings = dark.strings["fallback"];
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strings.name = _TRS_CTX("Built-in dark theme | Theme default strings | name", "Default dark");
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strings.description = builtinDescription;
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dark.strings[CURRENT_LANGUAGE] = strings;
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dark.Save(darkPath);
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}
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delete theme;
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theme = new Theme(darkPath);
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}
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}
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theme->Apply(accent_color);
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}
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void MainLoop::Drop(std::string file) {
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LoadFile(file);
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}
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void MainLoop::GuiFunction() {
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position = playback->GetPosition();
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length = playback->GetLength();
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// Set the window title if the file changed, or playback stopped.
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if (playback->handle_signals(PlaybackSignalFileChanged|PlaybackSignalStopped)) {
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auto file_maybe = playback->get_current_file();
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if (file_maybe.has_value()) {
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auto file = file_maybe.value();
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std::filesystem::path fpath(file);
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std::string name = fpath.stem().string();
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SetWindowTitle((name + std::string(" - Looper")).c_str());
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} else {
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SetWindowTitle("Looper");
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}
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}
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bool lengthKnown = length > 0.0;
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auto dockid = ImGui::DockSpaceOverViewport(nullptr, ImGuiDockNodeFlags_PassthruCentralNode|ImGuiDockNodeFlags_AutoHideTabBar);
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// 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
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if (show_demo_window)
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ImGui::ShowDemoWindow(&show_demo_window);
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if (ImGui::BeginMainMenuBar()) {
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if (ImGui::BeginMenu(_TRI_CTX(ICON_FK_FILE, "Main menu", "File"))) {
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if (ImGui::MenuItem(_TRI_CTX(ICON_FK_FOLDER_OPEN, "Main menu | File", "Open"))) {
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// Set translatable strings here so that they are in the correct language even when it changes at runtime.
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fileDialog.SetTitle(_TR_CTX("File dialog title", "Open..."));
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fileDialog.SetTypeFilters(_TR_CTX("File dialog filter name", "Audio files"), { ".wav", ".ogg", ".mp3", ".qoa", ".flac", ".xm", ".mod"});
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fileDialog.Open();
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}
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if (ImGui::MenuItem(_TRI_CTX(ICON_FK_WINDOW_CLOSE, "Main menu | File", "Quit"))) {
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done = true;
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}
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ImGui::EndMenu();
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}
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if (ImGui::BeginMenu(_TRI_CTX(ICON_FK_SCISSORS,"Main menu", "Edit"))) {
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if (ImGui::MenuItem(_TRI_CTX(ICON_FK_COG, "Main menu | Edit", "Preferences..."))) {
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prefs_window = true;
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}
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ImGui::EndMenu();
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}
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#ifdef DEBUG
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if (ImGui::BeginMenu(_TRI_CTX(ICON_FK_COG, "Main menu (in debug builds)", "Debug"))) {
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if (ImGui::MenuItem(_TR_CTX("Main menu | Debug", "Show ImGui Demo Window"), nullptr, show_demo_window)) {
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show_demo_window = !show_demo_window;
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}
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ImGui::EndMenu();
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}
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#endif
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if (ImGui::BeginMenu(_TRI_CTX(ICON_FK_INFO_CIRCLE, "Main menu", "Help"))) {
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if (ImGui::MenuItem(_TRI_CTX(ICON_FK_INFO, "Main menu | Help", "About"), nullptr, about_window)) {
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about_window = !about_window;
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}
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ImGui::EndMenu();
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}
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ImGui::EndMainMenuBar();
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}
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ImGui::SetNextWindowDockID(dockid);
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ImGui::Begin(_TRI_CTX(ICON_FK_PLAY, "Main window title", "Player"), nullptr, 0);
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{
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ImGui::SetCursorPosY(ImGui::GetWindowHeight() - ImGui::GetFrameHeightWithSpacing() - ImGui::GetFrameHeight() - ImGui::GetStyle().WindowPadding.y);
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if (ImGui::Button(playback->IsPaused() ? ICON_FK_PLAY "##Pause" : ICON_FK_PAUSE "##Pause")) {
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playback->Pause();
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}
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ImGui::SameLine();
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if (ImGui::Button(ICON_FK_REFRESH "##Restart")) {
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playback->Seek(0.0);
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}
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ImGui::SameLine();
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const int NEXT_SLIDER_COUNT = 1;
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ImGui::SetNextItemWidth(-(ImGui::GetFontSize() * (1 + (8 * NEXT_SLIDER_COUNT))) - ((ImGui::GetStyle().ItemSpacing.x + ImGui::GetStyle().FramePadding.x) * (NEXT_SLIDER_COUNT + 1)));
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if (lengthKnown) {
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uint8_t components = TimeToComponentCount(playback->GetLength());
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string time_str = TimeToString(position, components);
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if (ImGui::SliderFloat("##Seek", &position, 0.0f, playback->GetLength(), time_str.c_str(), ImGuiSliderFlags_NoRoundToFormat))
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playback->Seek(position);
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} else {
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ImGui::TextUnformatted("");
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}
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ImGui::SameLine();
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if (ImGui::Button(ICON_FK_STOP "##Stop")) {
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playback->Stop();
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}
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ImGui::SameLine();
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ImGui::SetNextItemWidth(ImGui::GetFontSize() * 8);
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if (ImGui::SliderFloat("##Volume", &playback->volume, 0.0, 100.0, ICON_FK_VOLUME_UP ": %.0f%%")) {
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playback->Update();
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}
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const float items = 3.0f;
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const float between_items = items - 1.0f;
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ImGui::PushItemWidth((ImGui::GetWindowWidth() / items) - (ImGui::GetStyle().ItemSpacing.x / (items / between_items)) - ((ImGui::GetStyle().WindowPadding.x / items) * 2.0f));
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if (ImGui::SliderFloat("##Speed", &playback->speed, 0.25, 4.0, _TR_CTX("Playback controls | slider", "Speed: %.2fx"), ImGuiSliderFlags_Logarithmic)) {
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playback->Update();
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}
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ImGui::SameLine();
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if (ImGui::SliderFloat("##Tempo", &playback->tempo, 0.25, 4.0, _TR_CTX("Playback controls | slider", "Tempo: %.2fx"), ImGuiSliderFlags_Logarithmic)) {
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playback->Update();
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}
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ImGui::SameLine();
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if (ImGui::SliderFloat("##Pitch", &playback->pitch, 0.25, 4.0, _TR_CTX("Playback controls | slider", "Pitch: %.2fx"), ImGuiSliderFlags_Logarithmic)) {
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playback->Update();
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}
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ImGui::PopItemWidth();
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}
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ImGui::End();
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if (prefs_window) {
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ImGui::SetNextWindowDockID(dockid);
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ImGui::Begin(_TRI_CTX(ICON_FK_COG, "Window title, window opened by menu item", "Preferences..."), &prefs_window);
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{
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static std::string set_backend_name = cur_backend->get_name();
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static std::string set_backend_id = cur_backend->get_id();
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if (ImGui::BeginCombo("UI backend", set_backend_name.c_str())) {
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for (auto &backend : backends) {
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bool is_current = set_backend_id == backend->get_id();
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if (ImGui::Selectable(backend->get_name().c_str(), &is_current)) {
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set_backend_id = backend->get_id();
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set_backend_name = backend->get_name();
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Looper::Options::set_option("ui.backend", set_backend_id);
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}
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if (is_current) {
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ImGui::SetItemDefaultFocus();
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}
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}
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ImGui::EndCombo();
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}
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if (ImGui::Checkbox(_TR_CTX("Preference | VSync checkbox", "Enable VSync"), &vsync)) {
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SDL_GL_SetSwapInterval(vsync ? 1 : 0);
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}
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ImGui::SameLine();
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ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - ImGui::GetStyle().WindowPadding.x);
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ImGui::SliderInt("##Framerate", &framerate, 10, 480, _TR_CTX("Preferences | Framerate slider", "Max framerate without VSync: %d"));
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if (ImGui::Button(_TRI_CTX(ICON_FK_MAGIC, "Preference | Related non-preference button", "Theme Editor"), ImVec2(ImGui::GetWindowWidth() - (ImGui::GetStyle().WindowPadding.x * 2.0f), 0))) {
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theme_editor = true;
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}
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static bool override_lang = lang != DEFAULT_LANG;
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if (ImGui::Checkbox(_TR_CTX("Preference | override enable checkbox", "Override language"), &override_lang)) {
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if (!override_lang) {
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lang = DEFAULT_LANG;
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SET_LANG(lang.c_str());
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}
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}
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if (override_lang) {
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ImGui::SameLine();
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ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - (ImGui::GetFontSize()) - ((ImGui::GetStyle().ItemSpacing.x + (ImGui::GetStyle().FramePadding.x * 2.0f))) - (ImGui::GetStyle().WindowPadding.x));
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ImGui::InputText("##LanguageOverrideTextBox", &lang);
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ImGui::SameLine();
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if (ImGui::Button(ICON_FK_CHECK)) {
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SET_LANG(lang.c_str());
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}
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}
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static string filter = "";
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ImGui::Text(_TR_CTX("Preference | Theme selector | Filter label", "Filter:")); ImGui::SameLine();
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ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - ImGui::GetStyle().WindowPadding.x);
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ImGui::InputText("##FilterInput", &filter);
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ImGui::Text(_TR_CTX("Preferences | Theme selector | Selector label", "Select a theme..."));
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ImVec2 ChildSize = ImVec2(ImGui::GetWindowWidth() - (ImGui::GetStyle().WindowPadding.x * 2.0f), -ImGui::GetFrameHeightWithSpacing());
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if (ImGui::BeginChildFrame(ImGui::GetID("##ThemesContainer"), ChildSize)) {
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ImVec2 TableSize = ImVec2(0, 0);
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if (ImGui::BeginTable("##Themes", 2, ImGuiTableFlags_SizingFixedFit|ImGuiTableFlags_NoSavedSettings|ImGuiTableFlags_ScrollY, TableSize)) {
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// Text in TableSetupColumn calls not translated because they're not visible to the user.
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ImGui::TableSetupColumn("Name", ImGuiTableColumnFlags_WidthStretch);
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ImGui::TableSetupColumn("Remove", 0);
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for (auto themePath : Theme::availableThemes) {
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string themeStem = themePath.stem().string();
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if (themeStem.starts_with(filter)) {
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ImGui::TableNextRow();
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ImGui::TableSetColumnIndex(0);
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const bool is_selected = themePath == theme->file_path;
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if (ImGui::Selectable((theme->themeStrings[themePath].name + string(" (") + string(themeStem) + string(")")).c_str(), is_selected, 0)) {
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delete theme;
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theme = new Theme(themePath);
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theme->Apply(accent_color);
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break;
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}
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if (is_selected) {
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ImGui::SetItemDefaultFocus();
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} else {
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ImGui::TableSetColumnIndex(1);
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if (ImGui::SmallButton((string(ICON_FK_WINDOW_CLOSE "##") + themeStem).c_str())) {
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std::filesystem::remove(themePath);
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Theme::updateAvailableThemes();
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break;
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}
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}
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}
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}
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ImGui::EndTable();
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}
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}
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ImGui::EndChildFrame();
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ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - (ImGui::GetStyle().WindowPadding.x * 2));
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ImGui::ColorEdit4("##AccentColor", &accent_color.x, ImGuiColorEditFlags_InputHSV|ImGuiColorEditFlags_DisplayHSV|ImGuiColorEditFlags_Float);
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theme->Apply(accent_color);
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}
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ImGui::End();
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}
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if (about_window) {
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ImGui::SetNextWindowDockID(dockid);
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if (ImGui::Begin(_TRI_CTX(ICON_FK_INFO, "Window title, window opened by menu item", "About and Licenses"), &about_window)) {
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ImGui::PushFont(title);
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static const string APP_NAME_STR = _TR_CTX("Application name.", "Looper");
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ImGui::SetCursorPosX((ImGui::GetWindowWidth() - ImGui::GetFont()->CalcTextSizeA(ImGui::GetFontSize(), FLT_MAX, 0.0f, APP_NAME_STR.c_str()).x) / 2.0f);
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ImGui::Text(APP_NAME_STR.c_str());
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ImGui::PopFont();
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static const string VER_STRING = _TR_CTX("Version string format specifier", "Version ") + string(TAG) + _TRS_CTX("Suffix to the version string in the about window, if needed", " ");
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ImGui::SetCursorPosX((ImGui::GetWindowWidth() - ImGui::GetFont()->CalcTextSizeA(ImGui::GetFontSize(), FLT_MAX, 0.0f, VER_STRING.c_str()).x) / 2.0f);
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ImGui::Text(VER_STRING.c_str());
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ImGui::NewLine();
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static vector<LicenseData> projects = {
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LicenseData(APP_NAME_STR, "MIT"),
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LicenseData(_TR_CTX("Library name", "SDL Mixer X"), "Zlib"),
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LicenseData(_TR_CTX("Library name", "CLI11"), "BSD-3-Clause"),
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LicenseData(_TR_CTX("Library name", "JsonCpp"), "MIT"),
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LicenseData(_TR_CTX("Library name", "SoundTouch"), "LGPL-2.1-only"),
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LicenseData(_TR_CTX("Library name", "libintl"), "LGPL-2.1-only"),
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LicenseData(_TR_CTX("Library name", "Dear ImGui"), "MIT"),
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LicenseData(_TR_CTX("Library name", "imgui-filebrowser"), "MIT"),
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#ifdef PORTALS
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LicenseData(_TR_CTX("Library name", "libportal"), "LGPL-3.0-only"), // Only include the license if it applies.
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#endif
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LicenseData(_TR_CTX("Library name", "Noto Sans"), "OFL-1.1-RFN"),
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LicenseData(_TR_CTX("Library name", "Fork Awesome"), "OFL-1.1-RFN"),
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LicenseData(_TR_CTX("Library name", "IconFontCppHeaders"), "Zlib"),
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LicenseData(_TR_CTX("Library name", "TOML++"), "MIT")
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};
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// Do this in an inner scope so that 'i' isn't accidentally used outside it,
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// and so that 'i' can refer to another variable such as in a for loop.
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{
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int i = 0;
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// Use a variable instead of hardcoding so that a #ifdef can change the indices later on.
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LOAD_LICENSE(projects[i], looper); i++;
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LOAD_LICENSE(projects[i], sdl_mixer_x); i++;
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LOAD_LICENSE(projects[i], cli11); i++;
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LOAD_LICENSE(projects[i], jsoncpp); i++;
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LOAD_LICENSE(projects[i], soundtouch); i++;
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LOAD_LICENSE(projects[i], libintl); i++;
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LOAD_LICENSE(projects[i], imgui); i++;
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LOAD_LICENSE(projects[i], imgui_filebrowser); i++;
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#ifdef PORTALS
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LOAD_LICENSE(projects[i], libportal); i++;
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#endif
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LOAD_LICENSE(projects[i], notosans); i++;
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LOAD_LICENSE(projects[i], forkawesome); i++;
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LOAD_LICENSE(projects[i], icnfntcpphdrs); i++;
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LOAD_LICENSE(projects[i], tomlplusplus); i++;
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}
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// Left
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static LicenseData selected = projects[0];
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{
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ImGui::BeginGroup();
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ImGui::TextUnformatted(_TR_CTX("Project selector label.", "Project"));
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// Next string is internal.
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ImGui::BeginChild("project selector", ImVec2(150, 0), true);
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for (auto project : projects)
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{
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if (ImGui::Selectable(project.Project.c_str(), selected.Project == project.Project))
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selected = project;
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}
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ImGui::EndChild();
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ImGui::EndGroup();
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}
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ImGui::SameLine();
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// Right
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{
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ImGui::BeginGroup();
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ImGui::TextUnformatted(_TR_CTX("License viewer label", "License"));
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// Next string is internal.
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ImGui::BeginChild("license view", ImVec2(0, 0), true); // *don't* leave room for the nonexistant line below us!
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ImGui::Text(_TR_CTX("License viewer | information above license - string 1: selected project, string 2: SPDX license identifier", "%s: %s"), selected.Project.c_str(), selected.Spdx.c_str());
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ImGui::Separator();
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ImGui::TextWrapped("%s", selected.LicenseContents.c_str());
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ImGui::EndChild();
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ImGui::EndGroup();
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}
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}
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ImGui::End();
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}
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// Display the theme editor.
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if (theme_editor) {
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Theme::ShowEditor(&theme_editor, theme, dockid, window_width, window_height);
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// Immediately apply any changes made in the theme editor.
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theme->Apply(accent_color);
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}
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if (fileDialog.IsOpened()) {
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// Make the fallback file dialog fill the window.
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fileDialog.SetWindowSize(window_width, window_height);
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fileDialog.SetWindowPos(0, 0);
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}
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// Display the file dialog
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fileDialog.Display();
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// Load a new file when it has been selected.
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if (fileDialog.HasSelected()) {
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playback->Start(fileDialog.GetSelected().string());
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// Make sure to not load the file unnecessarily.
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fileDialog.ClearSelected();
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}
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}
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void MainLoop::LoadFile(std::string file) {
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playback->Start(file);
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}
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void MainLoop::Deinit() {
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delete playback;
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{
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Json::Value config;
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std::ofstream stream;
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stream.open(path(prefPath) / "config.json");
|
|
path themePath(theme->file_path);
|
|
themePath = themePath.filename();
|
|
if (!themePath.empty()) {
|
|
config["theme_name"] = themePath.filename().string();
|
|
}
|
|
{
|
|
Json::Value accentColor;
|
|
accentColor["h"] = accent_color.x;
|
|
accentColor["s"] = accent_color.y;
|
|
accentColor["v"] = accent_color.z;
|
|
accentColor["a"] = accent_color.w;
|
|
config["accent_color"] = accentColor;
|
|
}
|
|
config["demo_window"] = show_demo_window;
|
|
config["vsync"] = vsync;
|
|
config["framerate"] = framerate;
|
|
if (lang == DEFAULT_LANG) {
|
|
config["lang"] = Json::Value::nullSingleton();
|
|
} else {
|
|
config["lang"] = lang;
|
|
}
|
|
stream << config;
|
|
stream.close();
|
|
}
|
|
}
|
|
MainLoop::MainLoop() : RendererBackend() {
|
|
for (auto &kv : UIBackend::backends) {
|
|
backends.push_back(kv.second);
|
|
}
|
|
cur_backend = UIBackend::get_backend(UI_BACKEND()).value_or(UIBackend::get_first_backend());
|
|
}
|
|
std::string ImGuiUIBackend::get_id() {
|
|
return "imgui";
|
|
}
|
|
std::string ImGuiUIBackend::get_name() {
|
|
return "Dear ImGui frontend";
|
|
}
|
|
// Main code
|
|
int ImGuiUIBackend::run(std::vector<std::string> realArgs, int argc, char** argv)
|
|
{
|
|
int possible_error = UIBackend::run(realArgs, argc, argv);
|
|
if (possible_error != 0) {
|
|
return possible_error;
|
|
}
|
|
MainLoop loop;
|
|
loop.playback = playback;
|
|
loop.args = args;
|
|
return loop.Run();
|
|
} |