295 lines
No EOL
12 KiB
C++
295 lines
No EOL
12 KiB
C++
#include "main_window.hpp"
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#include <gtkmm.h>
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#include "my_slider.hpp"
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#include <filesystem>
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#include <util.hpp>
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void MainWindow::set_song_loaded(bool loaded) {
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bool unloaded = !loaded;
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seek_bar.set_sensitive(loaded);
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pause_btn.set_sensitive(loaded);
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restart_btn.set_sensitive(loaded);
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stop_btn.set_sensitive(loaded);
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}
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void MainWindow::update_file(optional<std::string> new_file) {
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playback_file = new_file;
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bool song_loaded = new_file.has_value();
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set_song_loaded(song_loaded);
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if (song_loaded) {
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length = playback->GetLength();
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length_component_count = TimeToComponentCount(length);
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length_label.set_text(TimeToString(length, length_component_count).c_str());
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std::filesystem::path file_path(new_file.value());
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song_name = file_path.stem().string();
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set_title((song_name + std::string(" - Looper")).c_str());
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seek_bar.set_range(0, length);
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} else {
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length = 0;
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length_component_count = 2;
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length_label.set_text("00:00");
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song_name = "";
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set_title("Looper");
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seek_bar.set_value(0.0);
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}
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bool length_valid = length > 0;
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seek_bar.set_visible(length_valid);
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seek_indeterminate.set_visible(!length_valid);
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time_label.set_visible(length_valid);
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length_label.set_visible(length_valid);
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}
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struct signals_split_by_expected {
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uint16_t expected;
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uint16_t unexpected;
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inline uint16_t all_signals() {
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return expected|unexpected;
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}
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inline uint16_t filter(uint16_t signal) {
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return all_signals() & signal;
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}
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inline bool emitted(uint16_t signal) {
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return filter(signal) != 0;
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}
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inline uint16_t filter_expected(uint16_t signal) {
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return expected & signal;
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}
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inline uint16_t filter_unexpected(uint16_t signal) {
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return unexpected & signal;
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}
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inline bool signal_expected(uint16_t signal) {
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return filter_expected(signal) == filter(signal);
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}
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inline bool signal_unexpected(uint16_t signal) {
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return filter_unexpected(signal) == filter(signal);
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}
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signals_split_by_expected(uint16_t expected, uint16_t unexpected)
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: expected(expected)
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, unexpected(unexpected)
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{}
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};
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bool MainWindow::update() {
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uint16_t signals_expected_and_emitted = playback->handle_signals(expected_signals);
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uint16_t unexpected_signals = PlaybackSignalNone;
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expected_signals &= ~signals_expected_and_emitted;
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auto handle_signal = [this,signals_expected_and_emitted,&unexpected_signals](uint16_t signals) {
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uint16_t output = signals_expected_and_emitted & signals;
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uint16_t unexpected_output = PlaybackSignalNone;
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uint16_t remaining_signals = signals & ~output;
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if (remaining_signals != PlaybackSignalNone) {
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unexpected_output |= playback->handle_signals(remaining_signals);
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}
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unexpected_signals |= unexpected_output;
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return signals_split_by_expected(output, unexpected_output);
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};
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auto signals_handleable = handle_signal(PlaybackSignalFileChanged|PlaybackSignalErrorOccurred|PlaybackSignalPaused|PlaybackSignalResumed|PlaybackSignalPitchChanged|PlaybackSignalSeeked|PlaybackSignalSpeedChanged|PlaybackSignalStarted|PlaybackSignalStopped|PlaybackSignalTempoChanged);
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if (signals_handleable.emitted(PlaybackSignalFileChanged)) {
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auto new_file = playback->get_current_file();
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if (new_file != playback_file) {
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update_file(new_file);
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}
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}
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bool disambiguate_running = false;
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bool stopped = signals_handleable.emitted(PlaybackSignalStopped);
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bool started = signals_handleable.emitted(PlaybackSignalStarted);
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if (stopped && started) {
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disambiguate_running = true;
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started = playback->get_current_file().has_value();
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stopped = !started;
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}
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if (stopped) {
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update_file({});
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}
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double position = playback->GetPosition();
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if (!signals_handleable.emitted(PlaybackSignalSeeked) || signals_handleable.signal_unexpected(PlaybackSignalSeeked)) {
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seek_bar.set_value(position);
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}
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time_label.set_text(TimeToString(position, length_component_count));
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pause_btn.set_icon_name(playback->IsPaused() ? "media-playback-start-symbolic" : "media-playback-pause-symbolic");
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if (signals_handleable.signal_unexpected(PlaybackSignalPitchChanged)) {
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pitch_slider.set_value(playback->pitch);
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}
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if (signals_handleable.signal_unexpected(PlaybackSignalSpeedChanged)) {
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speed_slider.set_value(playback->speed);
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}
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if (signals_handleable.signal_unexpected(PlaybackSignalTempoChanged)) {
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tempo_slider.set_value(playback->tempo);
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}
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if (!running) {
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timer_stopped = true;
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g_mutex_lock(timer_mutex);
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g_cond_signal(timer_stopped_condition);
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g_mutex_unlock(timer_mutex);
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return false;
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} else {
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return true;
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}
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}
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void MainWindow::expect_signal(uint16_t signal) {
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expected_signals |= signal;
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}
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MainWindow::MainWindow(Playback *playback)
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: playback(playback),
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open_dialog("Open some music...")
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{
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open_dialog.set_transient_for(*this);
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open_dialog.set_modal(true);
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open_dialog.signal_response().connect([this](int response) {
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if (response == Gtk::ResponseType::OK) {
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this->expect_signal(PlaybackSignalStarted|PlaybackSignalFileChanged);
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this->playback->Start(this->open_dialog.get_file().get()->get_path());
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}
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open_dialog.set_visible(false);
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});
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open_dialog.add_button("_Cancel", Gtk::ResponseType::CANCEL);
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open_dialog.add_button("_Open", Gtk::ResponseType::OK);
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auto filter_text = Gtk::FileFilter::create();
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filter_text->set_name("Music files");
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filter_text->add_mime_type("audio/*");
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open_dialog.add_filter(filter_text);
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set_title("Looper");
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set_icon_name("looper");
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set_default_size(400, 400);
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openBtn.set_label("Open...");
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openBtn.set_icon_name("folder-open-symbolic");
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openBtn.signal_clicked().connect([this]() {
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this->open_dialog.present();
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});
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topToolbar.set_orientation(Gtk::Orientation::HORIZONTAL);
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running = true;
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timer_stopped = false;
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timer_stopped_condition = (GCond*)malloc(sizeof(GCond));
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timer_mutex = (GMutex*)malloc(sizeof(GMutex));
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g_cond_init(timer_stopped_condition);
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g_mutex_init(timer_mutex);
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top_box.set_orientation(Gtk::Orientation::HORIZONTAL);
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bottom_box.set_orientation(Gtk::Orientation::HORIZONTAL);
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main_box.set_orientation(Gtk::Orientation::VERTICAL);
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//main_box.set_valign(Gtk::Align::END);
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main_box.set_vexpand(true);
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top_box.insert_at_end(main_box);
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bottom_box.insert_at_end(main_box);
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pause_btn.signal_clicked().connect([this]() {
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this->expect_signal((this->playback->IsPaused() ? PlaybackSignalResumed : PlaybackSignalPaused));
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this->playback->Pause();
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});
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pause_btn.insert_at_end(top_box);
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restart_btn.set_icon_name("view-refresh-symbolic");
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restart_btn.signal_clicked().connect([this]() {
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this->expect_signal(PlaybackSignalSeeked);
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this->playback->Seek(0.0);
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});
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restart_btn.insert_at_end(top_box);
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time_label.insert_at_end(top_box);
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seek_indeterminate.set_text("");
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seek_indeterminate.set_hexpand(true);
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seek_indeterminate.insert_at_end(top_box);
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seek_bar.signal_value_changed().connect([this]() {
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this->expect_signal(PlaybackSignalSeeked);
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this->playback->Seek(seek_bar.get_value());
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});
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seek_bar.set_hexpand();
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seek_bar.insert_at_end(top_box);
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length_label.insert_at_end(top_box);
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stop_btn.signal_clicked().connect([this]() {
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this->expect_signal(PlaybackSignalStopped);
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this->playback->Stop();
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});
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stop_btn.set_icon_name("media-playback-stop-symbolic");
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stop_btn.insert_at_end(top_box);
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volume_slider.set_min_value(0.0);
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volume_slider.set_max_value(100.0);
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volume_slider.set_digits_after_decimal(0);
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volume_slider.set_suffix("%");
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volume_slider.set_prefix("Volume: ");
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volume_slider.value_changed.connect([this](double value) {
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this->playback->volume = value;
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this->playback->Update();
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});
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volume_slider.insert_at_end(top_box);
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speed_slider.set_hexpand();
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speed_slider.set_digits_after_decimal(2);
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speed_slider.set_prefix("Speed: ");
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speed_slider.set_suffix("x");
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speed_slider.set_max_value(playback->MaxSpeed);
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speed_slider.set_min_value(playback->MinSpeed);
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speed_slider.set_value(playback->speed);
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speed_slider.value_changed.connect([this](double value) {
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this->expect_signal(PlaybackSignalSpeedChanged);
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this->playback->speed = value;
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this->playback->Update();
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});
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speed_slider.insert_at_end(bottom_box);
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tempo_slider.set_hexpand();
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tempo_slider.set_digits_after_decimal(2);
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tempo_slider.set_prefix("Tempo: ");
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tempo_slider.set_suffix("x");
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tempo_slider.set_max_value(playback->MaxTempo);
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tempo_slider.set_min_value(playback->MinTempo);
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tempo_slider.set_value(playback->tempo);
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tempo_slider.value_changed.connect([this](double value) {
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this->expect_signal(PlaybackSignalTempoChanged);
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this->playback->tempo = value;
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this->playback->Update();
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});
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tempo_slider.insert_at_end(bottom_box);
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pitch_slider.set_hexpand();
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pitch_slider.set_digits_after_decimal(2);
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pitch_slider.set_prefix("Pitch: ");
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pitch_slider.set_suffix("x");
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pitch_slider.set_max_value(playback->MaxPitch);
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pitch_slider.set_min_value(playback->MinPitch);
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pitch_slider.set_value(playback->pitch);
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pitch_slider.value_changed.connect([this](double value) {
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this->expect_signal(PlaybackSignalPitchChanged);
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this->playback->pitch = value;
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this->playback->Update();
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});
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pitch_slider.insert_at_end(bottom_box);
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dropSpaceLabel.set_text("Drop a music file here to play it...");
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dropSpaceLabel.set_can_focus(false);
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dropSpaceLabel.set_can_target(false);
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dropSpace.set_can_target(true);
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dropTarget = Gtk::DropTarget::create(G_TYPE_FILE, Gdk::DragAction::LINK);
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dropSpace.add_controller(dropTarget);
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dropSpace.set_child(dropSpaceLabel);
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dropSpace.set_vexpand(true);
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dropSpace.set_hexpand(true);
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dropSpace.set_vexpand_set();
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dropTarget->signal_drop().connect([this](const Glib::ValueBase &value, double a, double b) {
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auto obj = g_value_get_object(value.gobj());
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g_object_ref(obj);
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Gio::File file((GFile*)obj);
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this->expect_signal(PlaybackSignalStarted|PlaybackSignalFileChanged);
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this->playback->Start(file.get_path());
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return false;
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}, false);
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dropSpace.insert_at_start(main_box);
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topToolbar.insert_at_start(main_box);
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set_child(main_box);
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update_file(playback->get_current_file());
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pitch_slider.set_value(playback->pitch);
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speed_slider.set_value(playback->speed);
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tempo_slider.set_value(playback->tempo);
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volume_slider.set_value(playback->volume);
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optionsWindow.set_visible(false);
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optionsWindow.set_transient_for(*this);
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optionsWindow.set_hide_on_close(true);
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optionsWindow.set_modal();
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settingsBtn.set_icon_name("preferences-other-symbolic");
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settingsBtn.signal_clicked().connect([this]() {
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optionsWindow.present();
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});
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headerBar.pack_start(openBtn);
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headerBar.pack_end(settingsBtn);
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set_titlebar(headerBar);
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Glib::signal_timeout().connect(sigc::mem_fun(*this, &MainWindow::update), 20);
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}
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MainWindow::~MainWindow() {
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running = false;
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while (!timer_stopped) {
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g_cond_wait(timer_stopped_condition, timer_mutex);
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}
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free(timer_stopped_condition);
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free(timer_mutex);
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} |