RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 21:37:36 +00:00
Code Issues Activity Actions

Piano: Add Play/Pause, Forward and Back buttons

Browse source 
Piano now has a toolbar allowing the playback to be paused,
or to be stepped forward or back a note.
This commit is contained in:
JJ Roberts-White 2021-07-11 12:58:17 +10:00 • committed by Ali Mohammad Pur
parent 54c005754a
commit 74f1f2b5e2
10 changed files with 234 additions and 69 deletions
Download patch file Download diff file Expand all files Collapse all files

63
Userland/Applications/Piano/PlayerWidget.cpp Normal file
View file

@ -0,0 +1,63 @@
/*
* Copyright (c) 2021, JJ Roberts-White <computerfido@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "PlayerWidget.h"
#include "AudioPlayerLoop.h"
#include "Music.h"
#include "TrackManager.h"
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
PlayerWidget::PlayerWidget(TrackManager& manager, AudioPlayerLoop& loop)
: m_track_manager(manager)
, m_audio_loop(loop)
{
set_layout<GUI::HorizontalBoxLayout>();
set_fill_with_background_color(true);
m_play_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/play.png");
m_pause_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/pause.png");
m_back_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/go-back.png"); // Go back a note
m_next_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/go-forward.png"); // Advance a note
m_play_button = add<GUI::Button>();
m_play_button->set_icon(*m_pause_icon);
m_play_button->set_fixed_width(30);
m_play_button->set_tooltip("Play/Pause playback");
m_play_button->set_focus_policy(GUI::FocusPolicy::NoFocus);
m_play_button->on_click = [this](unsigned) {
m_audio_loop.toggle_paused();
if (m_audio_loop.is_playing()) {
m_play_button->set_icon(*m_pause_icon);
} else {
m_play_button->set_icon(*m_play_icon);
}
};
m_back_button = add<GUI::Button>();
m_back_button->set_icon(*m_back_icon);
m_back_button->set_fixed_width(30);
m_back_button->set_tooltip("Previous Note");
m_back_button->set_focus_policy(GUI::FocusPolicy::NoFocus);
m_back_button->on_click = [this](unsigned) {
m_track_manager.time_forward(-(sample_rate / (beats_per_minute / 60) / notes_per_beat));
};
m_next_button = add<GUI::Button>();
m_next_button->set_icon(*m_next_icon);
m_next_button->set_fixed_width(30);
m_next_button->set_tooltip("Next Note");
m_next_button->set_focus_policy(GUI::FocusPolicy::NoFocus);
m_next_button->on_click = [this](unsigned) {
m_track_manager.time_forward((sample_rate / (beats_per_minute / 60) / notes_per_beat));
};
}
PlayerWidget::~PlayerWidget()
{
}