Applications: Move to Userland/Applications/

2025-07-26 12:37:45 +00:00 · 2021-01-12 12:05:23 +01:00 · 2021-01-12 12:05:23 +01:00 · dc28c07fa5
commit dc28c07fa5
parent aa939c4b4b
287 changed files with 1 additions and 1 deletions
--- a/Userland/Applications/Piano/main.cpp
+++ b/Userland/Applications/Piano/main.cpp
@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2019-2020, William McPherson <willmcpherson2@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "MainWidget.h"
+#include "TrackManager.h"
+#include <AK/Array.h>
+#include <LibAudio/ClientConnection.h>
+#include <LibAudio/WavWriter.h>
+#include <LibCore/EventLoop.h>
+#include <LibCore/File.h>
+#include <LibGUI/Action.h>
+#include <LibGUI/Application.h>
+#include <LibGUI/FilePicker.h>
+#include <LibGUI/Menu.h>
+#include <LibGUI/MenuBar.h>
+#include <LibGUI/MessageBox.h>
+#include <LibGUI/Window.h>
+#include <LibGfx/Bitmap.h>
+#include <LibThread/Thread.h>
+
+int main(int argc, char** argv)
+{
+    if (pledge("stdio thread rpath accept cpath wpath shared_buffer unix fattr", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
+    auto app = GUI::Application::construct(argc, argv);
+
+    if (pledge("stdio thread rpath accept cpath wpath shared_buffer unix", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
+    auto audio_client = Audio::ClientConnection::construct();
+    audio_client->handshake();
+
+    TrackManager track_manager;
+
+    auto app_icon = GUI::Icon::default_icon("app-piano");
+    auto window = GUI::Window::construct();
+    auto& main_widget = window->set_main_widget<MainWidget>(track_manager);
+    window->set_title("Piano");
+    window->resize(840, 600);
+    window->set_icon(app_icon.bitmap_for_size(16));
+    window->show();
+
+    Audio::WavWriter wav_writer;
+    Optional<String> save_path;
+    bool need_to_write_wav = false;
+
+    auto audio_thread = LibThread::Thread::construct([&] {
+        auto audio = Core::File::construct("/dev/audio");
+        if (!audio->open(Core::IODevice::WriteOnly)) {
+            dbgln("Can't open audio device: {}", audio->error_string());
+            return 1;
+        }
+
+        Array<Sample, sample_count> buffer;
+        while (!Core::EventLoop::current().was_exit_requested()) {
+            track_manager.fill_buffer(buffer);
+            audio->write(reinterpret_cast<u8*>(buffer.data()), buffer_size);
+            Core::EventLoop::current().post_event(main_widget, make<Core::CustomEvent>(0));
+            Core::EventLoop::wake();
+
+            if (need_to_write_wav) {
+                need_to_write_wav = false;
+                track_manager.reset();
+                track_manager.set_should_loop(false);
+                do {
+                    track_manager.fill_buffer(buffer);
+                    wav_writer.write_samples(reinterpret_cast<u8*>(buffer.data()), buffer_size);
+                } while (track_manager.time());
+                track_manager.reset();
+                track_manager.set_should_loop(true);
+                wav_writer.finalize();
+            }
+        }
+        return 0;
+    });
+    audio_thread->start();
+
+    auto menubar = GUI::MenuBar::construct();
+
+    auto& app_menu = menubar->add_menu("Piano");
+    app_menu.add_action(GUI::Action::create("Export", { Mod_Ctrl, Key_E }, [&](const GUI::Action&) {
+        save_path = GUI::FilePicker::get_save_filepath(window, "Untitled", "wav");
+        if (!save_path.has_value())
+            return;
+        wav_writer.set_file(save_path.value());
+        if (wav_writer.has_error()) {
+            GUI::MessageBox::show(window, String::formatted("Failed to export WAV file: {}", wav_writer.error_string()), "Error", GUI::MessageBox::Type::Error);
+            wav_writer.clear_error();
+            return;
+        }
+        need_to_write_wav = true;
+    }));
+    app_menu.add_separator();
+    app_menu.add_action(GUI::CommonActions::make_quit_action([](auto&) {
+        GUI::Application::the()->quit();
+        return;
+    }));
+
+    auto& edit_menu = menubar->add_menu("Edit");
+    main_widget.add_actions(edit_menu);
+
+    auto& help_menu = menubar->add_menu("Help");
+    help_menu.add_action(GUI::CommonActions::make_about_action("Piano", app_icon, window));
+
+    app->set_menubar(move(menubar));
+
+    return app->exec();
+}