Mainwindow.cpp

#include "mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :

QWidget(parent), timer(QTime::currentTime()), record(false)

{

QString notes = "Q1W2ER4T5Y6UI8O9P[-]=,K.ZAXSCVFBGNHM";

bar = new QMenuBar;

bar->setFixedHeight(25);

QMenu* menu_file = new QMenu("&Файл");

menu_file->addAction("&Открыть запись",this,SLOT(openFile()),Qt::CTRL+Qt::Key_O);

menu_file->addAction("&Сохранить запись",this,SLOT(saveFile()),Qt::CTRL+Qt::Key_S);

menu_file->addSeparator();

menu_file->addAction("&Выход",qApp,SLOT(quit()),Qt::CTRL+Qt::Key_Q);

bar->addMenu(menu_file);

bar->addAction("&Разработчик",this,SLOT(about_dev()));

list_piano = new QList<PianoButton*>;

PianoButton* temp;

for(int i=0;i<2;++i)

{

temp = new PianoButton(0,notes.mid(i*12+0,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+1,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+2,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+3,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+4,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+5,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+6,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+7,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+8,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+9,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+10,1));

list_piano->append(temp);

temp = new PianoButton(0,notes.mid(i*12+11,1));

list_piano->append(temp);

}

PianoButton* btn;

for(int i=0;i<list_piano->count();++i)

{

btn = list_piano->at(i);

connect(this,SIGNAL(press(QKeyEvent*)),btn,SLOT(onPress(QKeyEvent*)));

connect(this,SIGNAL(press(QKeyEvent*,QTime)),btn,SLOT(onPress(QKeyEvent*,QTime)));

connect(this,&MainWindow::release,btn,&PianoButton::onRelease);

connect(this,&MainWindow::restart,btn,&PianoButton::onRestart);

connect(this,&MainWindow::play,btn,&PianoButton::onReplyRecord);

connect(this,&MainWindow::stop,btn,&PianoButton::onStopRecord);

list_piano->at(i)->effect->setSource(QUrl::fromLocalFile(":/sounds/"+QString::number(i)+".wav"));

}

tools = new QToolBar;

tools->addAction("Запись",this,SLOT(onRecord()));

tools->addAction("Стоп запись",this,SLOT(onStopRecord()));

tools->addAction("Проиграть",this,SIGNAL(play()));

QGridLayout* grid = new QGridLayout;

grid->setMargin(5);

grid->setSpacing(5);

for(int i=0;i<2;++i)

{

grid->addWidget(list_piano->at(i*12+0),1,i*7+0,1,1);

grid->addWidget(list_piano->at(i*12+1),0,i*7+0,1,2,Qt::AlignHCenter);

grid->addWidget(list_piano->at(i*12+2),1,i*7+1,1,1);

grid->addWidget(list_piano->at(i*12+3),0,i*7+1,1,2,Qt::AlignHCenter);

grid->addWidget(list_piano->at(i*12+4),1,i*7+2,1,1);

grid->addWidget(list_piano->at(i*12+5),1,i*7+3,1,1);

grid->addWidget(list_piano->at(i*12+6),0,i*7+3,1,2,Qt::AlignHCenter);

grid->addWidget(list_piano->at(i*12+7),1,i*7+4,1,1);

grid->addWidget(list_piano->at(i*12+8),0,i*7+4,1,2,Qt::AlignHCenter);

grid->addWidget(list_piano->at(i*12+9),1,i*7+5,1,1);

grid->addWidget(list_piano->at(i*12+10),0,i*7+5,1,2,Qt::AlignHCenter);

grid->addWidget(list_piano->at(i*12+11),1,i*7+6,1,1);

}

QVBoxLayout* vlayo = new QVBoxLayout;

vlayo->setMargin(5);

vlayo->setSpacing(5);

vlayo->addWidget(bar);

vlayo->addWidget(tools);

vlayo->addLayout(grid);

this->setLayout(vlayo);

}

void MainWindow::keyPressEvent(QKeyEvent *event)

{

if(record)

{

emit press(event,QTime::currentTime());

} else

{

emit press(event);

}

}

void MainWindow::keyReleaseEvent(QKeyEvent *event)

{

emit release(event);

}

void MainWindow::onRecord()

{

timer = QTime::currentTime();

emit restart(timer);

record = true;

}

void MainWindow::onStopRecord()

{

record = false;

emit stop();

}

void MainWindow::openFile()

{

QString str = QFileDialog::getOpenFileName(this,"Открыть запись",QString(),"My melody files (*.mym)");

if(!str.isEmpty())

{

QFile file(str);

QTextStream stream(&file);

if(file.open(QIODevice::ReadOnly))

{

while(!stream.atEnd())

{

QStringList list = stream.readLine().split(';',QString::SkipEmptyParts);

// qDebug() << list;

list_piano->at(list.at(0).toInt())->start = QTime::fromString(list.at(1),"hh:mm:ss.zzz");

list_piano->at(list.at(0).toInt())->que->clear();

for(int i=2;i<list.count();++i)

{

list_piano->at(list.at(0).toInt())->que->enqueue(QTime::fromString(list.at(i),"hh:mm:ss.zzz"));

}

}

}

file.close();

}

}

void MainWindow::saveFile()

{

QString str = QFileDialog::getSaveFileName(this,"Сохранить запись",QString(),"My melody files (*.mym)");

if(!str.isEmpty())

{

QFile file(str);

QTextStream stream(&file);

if(file.open(QIODevice::WriteOnly))

{

for(int i=0;i<list_piano->count();++i)

{

QQueue<QTime> temp = *list_piano->at(i)->que;

if(temp.count()>0)

{

stream << QString::number(i)+";";

stream << list_piano->at(i)->start.toString("hh:mm:ss.zzz")+";";

while(!temp.isEmpty())

{

stream << temp.dequeue().toString("hh:mm:ss.zzz")+";";

}

stream << "\n";

}

}

}

file.close();

}

}

void MainWindow::about_dev(){

QMessageBox::information(this,"Разработчик","Резанов Богдан КИТ-83");

}