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/*
Copyright 2012-2013 Adam Reichold
This file is part of qpdfview.
qpdfview is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
qpdfview is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
*/
#include "annotationwidgets.h"
#include <QAction>
#include <QDesktopServices>
#include <QFileDialog>
#include <QGraphicsProxyWidget>
#include <QMenu>
#include <QMessageBox>
#include <QMutex>
#include <QUrl>
#if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
#include <poppler-qt6.h>
#elif QT_VERSION >= QT_VERSION_CHECK(5,0,0)
#include <poppler-qt5.h>
#else
#include <poppler-qt4.h>
#endif // QT_VERSION
#include <poppler-annotation.h>
#ifndef HAS_POPPLER_24
#define LOCK_ANNOTATION QMutexLocker mutexLocker(m_mutex);
#else
#define LOCK_ANNOTATION
#endif // HAS_POPPLER_24
namespace
{
bool hideOnEscape(QWidget* widget, QKeyEvent* event)
{
if(event->key() == Qt::Key_Escape)
{
widget->hide();
event->accept();
return true;
}
return false;
}
} // anonymous
namespace qpdfview
{
AnnotationWidget::AnnotationWidget(QMutex* mutex, Poppler::Annotation* annotation, QWidget* parent) : QPlainTextEdit(parent),
m_mutex(mutex),
m_annotation(annotation)
{
LOCK_ANNOTATION
setTabChangesFocus(true);
setPlainText(m_annotation->contents());
connect(this, SIGNAL(textChanged()), SLOT(on_textChanged()));
connect(this, SIGNAL(textChanged()), SIGNAL(wasModified()));
moveCursor(QTextCursor::End);
}
void AnnotationWidget::keyPressEvent(QKeyEvent* event)
{
if(!hideOnEscape(this, event))
{
QPlainTextEdit::keyPressEvent(event);
}
}
void AnnotationWidget::on_textChanged()
{
LOCK_ANNOTATION
m_annotation->setContents(toPlainText());
}
FileAttachmentAnnotationWidget::FileAttachmentAnnotationWidget(QMutex* mutex, Poppler::FileAttachmentAnnotation* annotation, QWidget* parent) : QToolButton(parent),
m_mutex(mutex),
m_annotation(annotation)
{
m_menu = new QMenu(this);
m_saveAction = m_menu->addAction(tr("Save..."));
m_saveAndOpenAction = m_menu->addAction(tr("Save and open..."));
setMenu(m_menu);
setPopupMode(QToolButton::InstantPopup);
setIcon(QIcon::fromTheme(QLatin1String("mail-attachment"), QIcon(QLatin1String(":icons/mail-attachment"))));
connect(m_menu, SIGNAL(aboutToShow()), SLOT(on_aboutToShow()));
connect(m_menu, SIGNAL(aboutToHide()), SLOT(on_aboutToHide()));
connect(m_saveAction, SIGNAL(triggered()), SLOT(on_save_triggered()));
connect(m_saveAndOpenAction, SIGNAL(triggered()), SLOT(on_saveAndOpen_triggered()));
}
void FileAttachmentAnnotationWidget::keyPressEvent(QKeyEvent *event)
{
if(!hideOnEscape(this, event))
{
QToolButton::keyPressEvent(event);
}
}
void FileAttachmentAnnotationWidget::on_aboutToShow()
{
graphicsProxyWidget()->setZValue(1.0);
}
void FileAttachmentAnnotationWidget::on_aboutToHide()
{
graphicsProxyWidget()->setZValue(0.0);
}
void FileAttachmentAnnotationWidget::on_save_triggered()
{
save(false);
}
void FileAttachmentAnnotationWidget::on_saveAndOpen_triggered()
{
save(true);
}
void FileAttachmentAnnotationWidget::save(bool open)
{
LOCK_ANNOTATION
Poppler::EmbeddedFile* embeddedFile = m_annotation->embeddedFile();
QString filePath = QFileDialog::getSaveFileName(0, tr("Save file attachment"), embeddedFile->name());
if(!filePath.isEmpty())
{
QFile file(filePath);
if(file.open(QIODevice::WriteOnly | QIODevice::Truncate))
{
file.write(embeddedFile->data());
file.close();
if(open)
{
if(!QDesktopServices::openUrl(QUrl::fromLocalFile(filePath)))
{
QMessageBox::warning(0, tr("Warning"), tr("Could not open file attachment saved to '%1'.").arg(filePath));
}
}
}
else
{
QMessageBox::warning(0, tr("Warning"), tr("Could not save file attachment to '%1'.").arg(filePath));
}
}
}
} // qpdfview
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