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/***************************************************************************
* Copyright (C) 2011 by Glad Deschrijver *
* <glad.deschrijver@gmail.com> *
* *
* This program 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. *
* *
* This program 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 this program; if not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#include "printpreviewdialog.h"
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
#include <QtPrintSupport/QPrintPreviewWidget>
#include <QtWidgets/QVBoxLayout>
#else
#include <QtGui/QPrintPreviewWidget>
#include <QtGui/QVBoxLayout>
#endif
#include "action.h"
#include "globallocale.h"
#include "icon.h"
#include "standardaction.h"
#include "toolbar.h"
#include "zoomaction.h"
PrintPreviewDialog::PrintPreviewDialog(QPrinter *printer, QWidget *parent)
: QDialog(parent)
{
m_initialized = false;
QVBoxLayout *mainLayout = new QVBoxLayout;
m_printPreviewWidget = new QPrintPreviewWidget(printer, this);
connect(m_printPreviewWidget, SIGNAL(paintRequested(QPrinter*)), this, SIGNAL(paintRequested(QPrinter*)));
connect(m_printPreviewWidget, SIGNAL(previewChanged()), this, SLOT(updateZoomFactor()));
ToolBar *toolBar = new ToolBar(QLatin1String("printpreview_toolbar"), this);
Action *action = new Action(Icon(QLatin1String("zoom-fit-width")), tr("Fit &width"), this, QLatin1String("printpreview_fit_width"));
connect(action, SIGNAL(triggered()), m_printPreviewWidget, SLOT(fitToWidth()));
toolBar->addAction(action);
action = new Action(Icon(QLatin1String("zoom-fit-best")), tr("Fit p&age"), this, QLatin1String("printpreview_fit_page"));
connect(action, SIGNAL(triggered()), m_printPreviewWidget, SLOT(fitInView()));
toolBar->addAction(action);
m_zoomToAction = new ZoomAction(Icon(QLatin1String("zoom-original")), tr("&Zoom"), this, QLatin1String("printpreview_zoom_to"));
connect(m_zoomToAction, SIGNAL(zoomFactorAdded(qreal)), this, SLOT(setZoomFactor(qreal)));
toolBar->addAction(m_zoomToAction);
toolBar->addAction(StandardAction::zoomIn(this, SLOT(zoomIn()), this));
toolBar->addAction(StandardAction::zoomOut(this, SLOT(zoomOut()), this));
action = new Action(Icon(QLatin1String("document-print")), tr("&Print"), this, QLatin1String("printpreview_print"));
connect(action, SIGNAL(triggered()), this, SLOT(print()));
toolBar->addAction(action);
action = new Action(Icon(QLatin1String("window-close")), tr("&Close"), this, QLatin1String("printpreview_close"));
connect(action, SIGNAL(triggered()), this, SLOT(reject()));
toolBar->addAction(action);
mainLayout->addWidget(toolBar);
mainLayout->addWidget(m_printPreviewWidget);
setLayout(mainLayout);
m_zoomToAction->setZoomFactor(1.0);
}
void PrintPreviewDialog::setVisible(bool visible)
{
// this will make the dialog get a decent default size
if (visible && !m_initialized)
{
m_printPreviewWidget->updatePreview();
m_initialized = true;
}
QDialog::setVisible(visible);
}
void PrintPreviewDialog::setZoomFactor(qreal zoomFactor)
{
m_printPreviewWidget->setZoomFactor(zoomFactor);
}
void PrintPreviewDialog::updateZoomFactor()
{
disconnect(m_zoomToAction, SIGNAL(zoomFactorAdded(qreal)), this, SLOT(setZoomFactor(qreal)));
m_zoomToAction->setZoomFactor(m_printPreviewWidget->zoomFactor());
connect(m_zoomToAction, SIGNAL(zoomFactorAdded(qreal)), this, SLOT(setZoomFactor(qreal)));
}
void PrintPreviewDialog::zoomIn()
{
const qreal zoomFactor = m_printPreviewWidget->zoomFactor();
m_zoomToAction->setZoomFactor(zoomFactor + (zoomFactor > 0.99 ?
(zoomFactor > 1.99 ? 0.5 : 0.2) : 0.1));
}
void PrintPreviewDialog::zoomOut()
{
const qreal zoomFactor = m_printPreviewWidget->zoomFactor();
m_zoomToAction->setZoomFactor(zoomFactor - (zoomFactor > 1.01 ?
(zoomFactor > 2.01 ? 0.5 : 0.2) : 0.1));
}
void PrintPreviewDialog::print()
{
m_printPreviewWidget->print();
accept();
}
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