catmeow/looper
catmeow/looper
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looper/main.cpp
Zachary Hall ad7f2ae105 Rename to Looper
2024-01-21 15:21:18 -08:00

463 lines
22 KiB
C++
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#include "main.h"
#include "assets.h"
#include "thirdparty/CLI11.hpp"
string PadZeros(string input, size_t required_length) {
return std::string(required_length - std::min(required_length, input.length()), '0') + input;
}
uint8_t TimeToComponentCount(double time_code) {
int seconds = (int)time_code;
int minutes = seconds / 60;
seconds -= minutes * 60;
int hours = minutes / 60;
minutes -= hours * 60;
if (hours > 0) {
return 3;
} else if (minutes > 0) {
return 2;
} else {
return 1;
}
}
string TimeToString(double time_code, uint8_t min_components = 1) {
uint8_t components = std::max(TimeToComponentCount(time_code), min_components);
int seconds = (int)time_code;
int minutes = seconds / 60;
seconds -= minutes * 60;
int hours = minutes / 60;
minutes -= hours * 60;
string output = PadZeros(std::to_string(seconds), components < 2 ? 1 : 2);
if (components >= 2) {
output = PadZeros(std::to_string(minutes), components == 2 ? 1 : 2) + ":" + output;
}
if (components >= 3) {
output = PadZeros(std::to_string(hours), components == 3 ? 1 : 2) + ":" + output;
}
return output;
}
void MainLoop::Init() {
#ifdef PORTALS
g_set_application_name("Looper");
#endif
// Our state
show_demo_window = false;
FileBrowser fileDialog(false, ImGuiFileBrowserFlags_NoTitleBar|ImGuiFileBrowserFlags_NoMove|ImGuiFileBrowserFlags_NoResize);
fileDialog.SetPwd(path(userdir) / path("Music"));
fileDialog.SetWindowSize(window_width, window_height);
//fileDialog.SetWindowPos(0, 0);
playback = new Playback();
position = 0.0;
prefs_window = false;
theme_editor = false;
stopped = true;
about_window = false;
string lang;
{
Json::Value config;
std::ifstream stream;
stream.open(path(prefPath) / "config.json");
if (stream.is_open()) {
stream >> config;
if (config.isMember("theme_name")) {
path themePath = theme->themeDir / config["theme_name"].asString();
if (exists(themePath)) {
delete theme;
theme = new Theme(themePath);
}
}
if (config.isMember("accent_color")) {
if (config["accent_color"].isNumeric()) {
accent_color.x = config["accent_color"].asFloat() / 360.0;
} else {
Json::Value accentColor = config["accent_color"];
accent_color = ImVec4(accentColor["h"].asFloat(), accentColor["s"].asFloat(), accentColor["v"].asFloat(), accentColor["a"].asFloat());
}
}
if (config.isMember("demo_window")) {
show_demo_window = config["demo_window"].asBool();
}
if (config.isMember("vsync")) {
vsync = config["vsync"].asBool();
}
if (config.isMember("framerate")) {
framerate = config["framerate"].asUInt();
}
if (config.isMember("lang")) {
Json::Value langValue;
if (langValue.isNull()) {
lang = DEFAULT_LANG;
} else {
lang = config["lang"].asString();
}
SET_LANG(lang.c_str());
}
stream.close();
}
if (is_empty(Theme::themeDir)) {
path lightPath = Theme::themeDir / "light.toml";
path darkPath = Theme::themeDir / "dark.toml";
string builtinDescription = _TRS_CTX("Built-in themes | Theme default strings | name", "(built-in)");
if (!exists(lightPath)) {
Theme light(false);
ThemeStrings &strings = light.strings["fallback"];
strings.name = _TRS_CTX("Built-in light theme | Theme default strings | name", "Default light");
strings.description = builtinDescription;
light.strings[CURRENT_LANGUAGE] = strings;
light.Save(lightPath);
}
if (!exists(darkPath)) {
Theme dark(true);
ThemeStrings &strings = dark.strings["fallback"];
strings.name = _TRS_CTX("Built-in dark theme | Theme default strings | name", "Default dark");
strings.description = builtinDescription;
dark.strings[CURRENT_LANGUAGE] = strings;
dark.Save(darkPath);
}
delete theme;
theme = new Theme(darkPath);
}
}
theme->Apply(accent_color);
CLI::App app{"An audio player that can play files that need special handling to loop seamlessly."};
std::string filename = "";
app.allow_extras();
double new_speed = 1.0;
double new_tempo = 1.0;
double new_pitch = 1.0;
app.add_option("-s,--speed", new_speed, "Set the initial speed of the playback.")->default_val(1.0);
app.add_option("-t,--tempo", new_tempo, "Set the initial tempo of the playback.")->default_val(1.0);
app.add_option("-p,--pitch", new_pitch, "Set the initial pitch of the playback.")->default_val(1.0);
try {
app.parse(args);
} catch (const CLI::ParseError &e) {
exit(app.exit(e));
}
playback->speed = new_speed;
playback->tempo = new_tempo;
playback->pitch = new_pitch;
args = app.remaining();
if (args.size() > 0) {
LoadFile(args[0]);
}
}
void MainLoop::Drop(std::string file) {
LoadFile(file);
}
void MainLoop::GuiFunction() {
position = playback->GetPosition();
auto dockid = ImGui::DockSpaceOverViewport(nullptr, ImGuiDockNodeFlags_PassthruCentralNode|ImGuiDockNodeFlags_AutoHideTabBar);
// 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!).
if (show_demo_window)
ImGui::ShowDemoWindow(&show_demo_window);
if (ImGui::BeginMainMenuBar()) {
if (ImGui::BeginMenu(_TRI_CTX(ICON_FK_FILE, "Main menu", "File"))) {
if (ImGui::MenuItem(_TRI_CTX(ICON_FK_FOLDER_OPEN, "Main menu | File", "Open"))) {
// Set translatable strings here so that they are in the correct language even when it changes at runtime.
fileDialog.SetTitle(_TR_CTX("File dialog title", "Open..."));
fileDialog.SetTypeFilters(_TR_CTX("File dialog filter name", "Audio files"), { ".wav", ".ogg", ".mp3", ".qoa", ".flac", ".xm", ".mod"});
fileDialog.Open();
}
if (ImGui::MenuItem(_TRI_CTX(ICON_FK_WINDOW_CLOSE, "Main menu | File", "Quit"))) {
done = true;
}
ImGui::EndMenu();
}
if (ImGui::BeginMenu(_TRI_CTX(ICON_FK_SCISSORS,"Main menu", "Edit"))) {
if (ImGui::MenuItem(_TRI_CTX(ICON_FK_COG, "Main menu | Edit", "Preferences..."))) {
prefs_window = true;
}
ImGui::EndMenu();
}
#ifdef DEBUG
if (ImGui::BeginMenu(_TRI_CTX(ICON_FK_COG, "Main menu (in debug builds)", "Debug"))) {
if (ImGui::MenuItem(_TR_CTX("Main menu | Debug", "Show ImGui Demo Window"), nullptr, show_demo_window)) {
show_demo_window = !show_demo_window;
}
ImGui::EndMenu();
}
#endif
if (ImGui::BeginMenu(_TRI_CTX(ICON_FK_INFO_CIRCLE, "Main menu", "Help"))) {
if (ImGui::MenuItem(_TRI_CTX(ICON_FK_INFO, "Main menu | Help", "About"), nullptr, about_window)) {
about_window = !about_window;
}
ImGui::EndMenu();
}
ImGui::EndMainMenuBar();
}
ImGui::SetNextWindowDockID(dockid);
ImGui::Begin(_TRI_CTX(ICON_FK_PLAY, "Main window title", "Player"), nullptr, 0);
{
ImGui::SetCursorPosY(ImGui::GetWindowHeight() - ImGui::GetFrameHeightWithSpacing() - ImGui::GetFrameHeight() - ImGui::GetStyle().WindowPadding.y);
if (ImGui::Button(playback->IsPaused() ? ICON_FK_PLAY "##Pause" : ICON_FK_PAUSE "##Pause")) {
playback->Pause();
}
ImGui::SameLine();
if (ImGui::Button(ICON_FK_REFRESH "##Restart")) {
playback->Seek(0.0);
}
ImGui::SameLine();
const int NEXT_SLIDER_COUNT = 1;
ImGui::SetNextItemWidth(-(ImGui::GetFontSize() * (1 + (8 * NEXT_SLIDER_COUNT))) - ((ImGui::GetStyle().ItemSpacing.x + ImGui::GetStyle().FramePadding.x) * (NEXT_SLIDER_COUNT + 1)));
uint8_t components = TimeToComponentCount(playback->GetLength());
string time_str = TimeToString(position, components);
if (ImGui::SliderFloat("##Seek", &position, 0.0f, playback->GetLength(), time_str.c_str(), ImGuiSliderFlags_NoRoundToFormat))
playback->Seek(position);
ImGui::SameLine();
if (ImGui::Button(ICON_FK_STOP "##Stop")) {
playback->Stop();
}
ImGui::SameLine();
ImGui::SetNextItemWidth(ImGui::GetFontSize() * 8);
if (ImGui::SliderFloat("##Volume", &playback->volume, 0.0, 100.0, ICON_FK_VOLUME_UP ": %.0f%%")) {
playback->Update();
}
const float items = 3.0f;
const float between_items = items - 1.0f;
ImGui::PushItemWidth((ImGui::GetWindowWidth() / items) - (ImGui::GetStyle().ItemSpacing.x / (items / between_items)) - ((ImGui::GetStyle().WindowPadding.x / items) * 2.0f));
if (ImGui::SliderFloat("##Speed", &playback->speed, 0.25, 4.0, _TR_CTX("Playback controls | slider", "Speed: %.2fx"), ImGuiSliderFlags_Logarithmic)) {
playback->Update();
}
ImGui::SameLine();
if (ImGui::SliderFloat("##Tempo", &playback->tempo, 0.25, 4.0, _TR_CTX("Playback controls | slider", "Tempo: %.2fx"), ImGuiSliderFlags_Logarithmic)) {
playback->Update();
}
ImGui::SameLine();
if (ImGui::SliderFloat("##Pitch", &playback->pitch, 0.25, 4.0, _TR_CTX("Playback controls | slider", "Pitch: %.2fx"), ImGuiSliderFlags_Logarithmic)) {
playback->Update();
}
ImGui::PopItemWidth();
}
ImGui::End();
if (prefs_window) {
ImGui::SetNextWindowDockID(dockid);
ImGui::Begin(_TRI_CTX(ICON_FK_COG, "Window title, window opened by menu item", "Preferences..."), &prefs_window);
{
if (ImGui::Checkbox(_TR_CTX("Preference | VSync checkbox", "Enable VSync"), &vsync)) {
SDL_GL_SetSwapInterval(vsync ? 1 : 0);
}
ImGui::SameLine();
ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - ImGui::GetStyle().WindowPadding.x);
ImGui::SliderInt("##Framerate", &framerate, 10, 480, _TR_CTX("Preferences | Framerate slider", "Max framerate without VSync: %d"));
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))) {
theme_editor = true;
}
static bool override_lang = lang != DEFAULT_LANG;
if (ImGui::Checkbox(_TR_CTX("Preference | override enable checkbox", "Override language"), &override_lang)) {
if (!override_lang) {
lang = DEFAULT_LANG;
SET_LANG(lang.c_str());
}
}
if (override_lang) {
ImGui::SameLine();
ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - (ImGui::GetFontSize()) - ((ImGui::GetStyle().ItemSpacing.x + (ImGui::GetStyle().FramePadding.x * 2.0f))) - (ImGui::GetStyle().WindowPadding.x));
ImGui::InputText("##LanguageOverrideTextBox", &lang);
ImGui::SameLine();
if (ImGui::Button(ICON_FK_CHECK)) {
SET_LANG(lang.c_str());
}
}
static string filter = "";
ImGui::Text(_TR_CTX("Preference | Theme selector | Filter label", "Filter:")); ImGui::SameLine();
ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - ImGui::GetStyle().WindowPadding.x);
ImGui::InputText("##FilterInput", &filter);
ImGui::Text(_TR_CTX("Preferences | Theme selector | Selector label", "Select a theme..."));
ImVec2 ChildSize = ImVec2(ImGui::GetWindowWidth() - (ImGui::GetStyle().WindowPadding.x * 2.0f), -ImGui::GetFrameHeightWithSpacing());
if (ImGui::BeginChildFrame(ImGui::GetID("##ThemesContainer"), ChildSize)) {
ImVec2 TableSize = ImVec2(0, 0);
if (ImGui::BeginTable("##Themes", 2, ImGuiTableFlags_SizingFixedFit|ImGuiTableFlags_NoSavedSettings|ImGuiTableFlags_ScrollY, TableSize)) {
// Text in TableSetupColumn calls not translated because they're not visible to the user.
ImGui::TableSetupColumn("Name", ImGuiTableColumnFlags_WidthStretch);
ImGui::TableSetupColumn("Remove", 0);
for (auto themePath : Theme::availableThemes) {
string themeStem = themePath.stem().string();
if (themeStem.starts_with(filter)) {
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
const bool is_selected = themePath == theme->file_path;
if (ImGui::Selectable((theme->themeStrings[themePath].name + string(" (") + string(themeStem) + string(")")).c_str(), is_selected, 0)) {
delete theme;
theme = new Theme(themePath);
theme->Apply(accent_color);
break;
}
if (is_selected) {
ImGui::SetItemDefaultFocus();
} else {
ImGui::TableSetColumnIndex(1);
if (ImGui::SmallButton((string(ICON_FK_WINDOW_CLOSE "##") + themeStem).c_str())) {
std::filesystem::remove(themePath);
Theme::updateAvailableThemes();
break;
}
}
}
}
ImGui::EndTable();
}
}
ImGui::EndChildFrame();
ImGui::SetNextItemWidth(ImGui::GetWindowWidth() - (ImGui::GetStyle().WindowPadding.x * 2));
ImGui::ColorEdit4("##AccentColor", &accent_color.x, ImGuiColorEditFlags_InputHSV|ImGuiColorEditFlags_DisplayHSV|ImGuiColorEditFlags_Float);
theme->Apply(accent_color);
}
ImGui::End();
}
if (about_window) {
ImGui::SetNextWindowDockID(dockid);
if (ImGui::Begin(_TRI_CTX(ICON_FK_INFO, "Window title, window opened by menu item", "About and Licenses"), &about_window)) {
ImGui::PushFont(title);
static const string APP_NAME_STR = _TR_CTX("Application name.", "Looper");
ImGui::SetCursorPosX((ImGui::GetWindowWidth() - ImGui::GetFont()->CalcTextSizeA(ImGui::GetFontSize(), FLT_MAX, 0.0f, APP_NAME_STR.c_str()).x) / 2.0f);
ImGui::Text(APP_NAME_STR.c_str());
ImGui::PopFont();
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", " ");
ImGui::SetCursorPosX((ImGui::GetWindowWidth() - ImGui::GetFont()->CalcTextSizeA(ImGui::GetFontSize(), FLT_MAX, 0.0f, VER_STRING.c_str()).x) / 2.0f);
ImGui::Text(VER_STRING.c_str());
ImGui::NewLine();
static vector<LicenseData> projects = {
LicenseData(APP_NAME_STR, "MIT"),
LicenseData(_TR_CTX("Library name", "SDL Mixer X"), "Zlib"),
LicenseData(_TR_CTX("Library name", "CLI11"), "BSD-3-Clause"),
LicenseData(_TR_CTX("Library name", "JsonCpp"), "MIT"),
LicenseData(_TR_CTX("Library name", "SoundTouch"), "LGPL-2.1-only"),
LicenseData(_TR_CTX("Library name", "libintl"), "LGPL-2.1-only"),
LicenseData(_TR_CTX("Library name", "Dear ImGui"), "MIT"),
LicenseData(_TR_CTX("Library name", "imgui-filebrowser"), "MIT"),
#ifdef PORTALS
LicenseData(_TR_CTX("Library name", "libportal"), "LGPL-3.0-only"), // Only include the license if it applies.
#endif
LicenseData(_TR_CTX("Library name", "Noto Sans"), "OFL-1.1-RFN"),
LicenseData(_TR_CTX("Library name", "Fork Awesome"), "OFL-1.1-RFN"),
LicenseData(_TR_CTX("Library name", "IconFontCppHeaders"), "Zlib"),
LicenseData(_TR_CTX("Library name", "TOML++"), "MIT")
};
// Do this in an inner scope so that 'i' isn't accidentally used outside it,
// and so that 'i' can refer to another variable such as in a for loop.
{
int i = 0;
// Use a variable instead of hardcoding so that a #ifdef can change the indices later on.
LOAD_LICENSE(projects[i], looper); i++;
LOAD_LICENSE(projects[i], sdl_mixer_x); i++;
LOAD_LICENSE(projects[i], cli11); i++;
LOAD_LICENSE(projects[i], jsoncpp); i++;
LOAD_LICENSE(projects[i], soundtouch); i++;
LOAD_LICENSE(projects[i], libintl); i++;
LOAD_LICENSE(projects[i], imgui); i++;
LOAD_LICENSE(projects[i], imgui_filebrowser); i++;
#ifdef PORTALS
LOAD_LICENSE(projects[i], libportal); i++;
#endif
LOAD_LICENSE(projects[i], notosans); i++;
LOAD_LICENSE(projects[i], forkawesome); i++;
LOAD_LICENSE(projects[i], icnfntcpphdrs); i++;
LOAD_LICENSE(projects[i], tomlplusplus); i++;
}
// Left
static LicenseData selected = projects[0];
{
ImGui::BeginGroup();
ImGui::TextUnformatted(_TR_CTX("Project selector label.", "Project"));
// Next string is internal.
ImGui::BeginChild("project selector", ImVec2(150, 0), true);
for (auto project : projects)
{
if (ImGui::Selectable(project.Project.c_str(), selected.Project == project.Project))
selected = project;
}
ImGui::EndChild();
ImGui::EndGroup();
}
ImGui::SameLine();
// Right
{
ImGui::BeginGroup();
ImGui::TextUnformatted(_TR_CTX("License viewer label", "License"));
// Next string is internal.
ImGui::BeginChild("license view", ImVec2(0, 0), true); // *don't* leave room for the nonexistant line below us!
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());
ImGui::Separator();
ImGui::TextWrapped("%s", selected.LicenseContents.c_str());
ImGui::EndChild();
ImGui::EndGroup();
}
}
ImGui::End();
}
// Display the theme editor.
if (theme_editor) {
Theme::ShowEditor(&theme_editor, theme, dockid, window_width, window_height);
// Immediately apply any changes made in the theme editor.
theme->Apply(accent_color);
}
if (fileDialog.IsOpened()) {
// Make the fallback file dialog fill the window.
fileDialog.SetWindowSize(window_width, window_height);
fileDialog.SetWindowPos(0, 0);
}
// Display the file dialog
fileDialog.Display();
// Load a new file when it has been selected.
if (fileDialog.HasSelected()) {
LoadFile(fileDialog.GetSelected().string());
// Make sure to not load the file unnecessarily.
fileDialog.ClearSelected();
}
if (playback->IsStopped() && !stopped) {
// Update the window title to reflect that no file is playing.
SetWindowTitle(NAME);
}
}
void MainLoop::LoadFile(std::string file) {
playback->Start(file);
// Update the window title.
SetWindowTitle((file + std::string(" - ") + std::string(NAME)).c_str());
}
void MainLoop::Deinit() {
delete playback;
{
Json::Value config;
std::ofstream stream;
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() {
}
// Main code
int main(int argc, char** argv)
{
MainLoop loop;
vector<std::string> args;
for (int i = 1; i < argc; i++) {
args.push_back(std::string(argv[i]));
}
loop.args = args;
return loop.Run();
}
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