add export feature and desktop file

1 files changed, 135 insertions, 0 deletions

diff --git a/mainwindow.cc b/mainwindow.cc
index dd687a2..0fdf38d 100644
--- a/mainwindow.cc
+++ b/mainwindow.cc
@@ -1,4 +1,7 @@
 #include <QtCore/QDebug>
+#include <QtGui/QFileDialog>
+#include <QtGui/QMessageBox>
+#include <QtSvg/QSvgGenerator>
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 
@@ -24,10 +27,15 @@ MainWindow::MainWindow(QWidget *parent) :
 	ui->paperReplayView->horizontalHeader()->setResizeMode(1, QHeaderView::Fixed);
 	ui->paperReplayView->setVisible(false);
 	Phonon::createPath(_media, _mediaOutput);
+	_media->setTickInterval(500);
 	ui->replaySlider->setMediaObject(_media);
 	ui->pauseButton->setVisible(false);
 	connect(_media, SIGNAL(stateChanged(Phonon::State,Phonon::State)),
 	        this, SLOT(handleMediaStateChange(Phonon::State)));
+	connect(_media, SIGNAL(totalTimeChanged(qint64)),
+	        this, SLOT(handleMediaTotalTimeChanged(qint64)));
+	connect(_media, SIGNAL(tick(qint64)),
+	        this, SLOT(handleMediaTick(qint64)));
 }
 
 MainWindow::~MainWindow()
@@ -73,6 +81,46 @@ void MainWindow::openNotebook(const QString &pen, const QString &notebook)
 	}
 }
 
+void MainWindow::exportCurrentPageAsPng(const QString &file)
+{
+	qDebug() << "Exporting current page" << ui->notebookView->curPage() << "to" << file;
+	QImage image = ui->notebookView->exportPage(ui->notebookView->curPage());
+	if (!image.save(file, "PNG")) {
+		QMessageBox::warning(this, tr("Export page"),
+		                     tr("Could not export current page to '%s'").arg(file));
+	}
+}
+
+void MainWindow::exportCurrentPageAsSvg(const QString &file)
+{
+	QSvgGenerator svg;
+	svg.setFileName(file);
+	svg.setSize(ui->notebookView->getCurPageSize());
+	svg.setViewBox(ui->notebookView->getCurPageTrim());
+	svg.setTitle(_curNotebookName + " p." + QString::number(ui->notebookView->curPage()));
+	svg.setDescription("Page " + QString::number(ui->notebookView->curPage()) + " of " + _curNotebookName + " from " + _curPenName);
+	qDebug() << "Exporting current page" << ui->notebookView->curPage() << "to" << file;
+	QPainter painter;
+	painter.begin(&svg);
+	ui->notebookView->renderPage(&painter, ui->notebookView->curPage());
+	painter.end();
+}
+
+void MainWindow::exportCurrentPaperReplayAsAac(const QString &file)
+{
+	QString src = _media->currentSource().fileName();
+	if (src.isEmpty()) {
+		QMessageBox::warning(this, tr("Export audio"),
+		                     tr("No audio file is selected"));
+		return;
+	}
+	qDebug() << "Exporting current audio" << src << "to" << file;
+	if (!QFile::copy(src, file)) {
+		QMessageBox::warning(this, tr("Export audio"),
+		                     tr("Could not export current audio to '%s'").arg(file));
+	}
+}
+
 void MainWindow::handleNotebookSelected(const QModelIndex &index)
 {
 	if (!index.isValid()) {
@@ -151,13 +199,100 @@ void MainWindow::handleMediaStateChange(Phonon::State state)
 			_media->seek(_pendingSeek);
 			_pendingSeek = 0;
 		}
+		ui->mediaPosLabel->setText(formatDuration(_media->currentTime()));
+		ui->mediaLenLabel->setText("/ " + formatDuration(_media->totalTime()));
 		break;
 	case Phonon::PausedState:
 		ui->playButton->setVisible(true);
 		ui->pauseButton->setVisible(false);
+		ui->mediaPosLabel->setText(formatDuration(_media->currentTime()));
+		ui->mediaLenLabel->setText("/ " + formatDuration(_media->totalTime()));
 		break;
 	default:
 		ui->playButton->setVisible(true);
 		ui->pauseButton->setVisible(false);
+		ui->mediaPosLabel->setText(QString());
+		ui->mediaLenLabel->setText(QString());
+		break;
+	}
+}
+
+void MainWindow::handleMediaTotalTimeChanged(qint64 time)
+{
+	ui->mediaLenLabel->setText("/ " + formatDuration(time));
+}
+
+void MainWindow::handleMediaTick(qint64 time)
+{
+	ui->mediaPosLabel->setText(formatDuration(time));
+}
+
+void MainWindow::handleExport()
+{
+	if (_curNotebookName == PAPER_REPLAY) {
+		QStringList filters;
+		filters << tr("Current audio as AAC (*.aac)");
+		QString filter;
+		QString fileName = QFileDialog::getSaveFileName(this, tr("Export page"), QString(),
+		                                                filters.join(";;"), &filter);
+		if (fileName.isEmpty()) return;
+		int filterIndex = filters.indexOf(filter);
+		switch (filterIndex) {
+		case 0:
+			if (!fileName.endsWith(".aac", Qt::CaseInsensitive)) {
+				fileName.append(".aac");
+			}
+			exportCurrentPaperReplayAsAac(fileName);
+			break;
+		}
+	} else if (!_curNotebookName.isEmpty()) {
+		QStringList filters;
+		filters << tr("Current page as PNG image (*.png)")
+		        << tr("Current page as SVG image (*.svg)")
+		        << tr("Current audio as AAC (*.aac)");
+		QString filter;
+		QString fileName = QFileDialog::getSaveFileName(this, tr("Export page"), QString(),
+		                                                filters.join(";;"), &filter);
+		if (fileName.isEmpty()) return;
+		int filterIndex = filters.indexOf(filter);
+		switch (filterIndex) {
+		case 0:
+			if (!fileName.endsWith(".png", Qt::CaseInsensitive)) {
+				fileName.append(".png");
+			}
+			exportCurrentPageAsPng(fileName);
+			break;
+		case 1:
+			if (!fileName.endsWith(".svg", Qt::CaseInsensitive)) {
+				fileName.append(".svg");
+			}
+			exportCurrentPageAsSvg(fileName);
+			break;
+		case 2:
+			if (!fileName.endsWith(".aac", Qt::CaseInsensitive)) {
+				fileName.append(".aac");
+			}
+			exportCurrentPaperReplayAsAac(fileName);
+			break;
+		}
+	} else {
+		QMessageBox::warning(this, tr("Export page"),
+		                     tr("Open a notebook or audio in order to export"));
+	}
+}
+
+QString MainWindow::formatDuration(qint64 time)
+{
+	int secs = time / 1000;
+	int mins = secs / 60;
+	secs %= 60;
+	int hours = mins / 60;
+	mins %= 60;
+
+	const QChar fill('0');
+	if (hours) {
+		return QString("%1:%2:%3").arg(hours).arg(mins, 2, 10, fill).arg(secs, 2, 10, fill);
+	} else {
+		return QString("%2:%3").arg(mins).arg(secs, 2, 10, fill);
 	}
 }