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/***************************************************************************
* Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2014 *
* 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/>. *
***************************************************************************/
#ifndef KTIKZ_TIKZPREVIEW_H
#define KTIKZ_TIKZPREVIEW_H
#include <QtCore/QtGlobal>
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
#include <QtWidgets/QGraphicsView>
#else
#include <QtGui/QGraphicsView>
#endif
#include "tikzpreviewmessagewidget.h"
class QToolBar;
namespace Poppler
{
class Document;
}
class Action;
class ZoomAction;
class TikzPreviewMessageWidget;
class TikzPreviewRenderer;
class TikzPreview : public QGraphicsView
{
Q_OBJECT
public:
explicit TikzPreview(QWidget *parent = 0);
~TikzPreview();
virtual QSize sizeHint() const;
QList<QAction*> actions();
QToolBar *toolBar();
QImage renderToImage(double xres, double yres, int pageNumber);
QPixmap pixmap() const;
int currentPage() const;
int numberOfPages() const;
void emptyPreview();
void setProcessRunning(bool isRunning);
void setShowCoordinates(bool show);
void setCoordinatePrecision(int precision);
void setBackgroundColor(QColor color);
public Q_SLOTS:
void showPreview(const QImage &tikzImage, qreal zoomFactor = 1.0);
void pixmapUpdated(Poppler::Document *tikzPdfDoc, const QList<qreal> &tikzCoordinates = QList<qreal>());
void showErrorMessage(const QString &message);
Q_SIGNALS:
void showMouseCoordinates(qreal x, qreal y, int precisionX = 5, int precisionY = 5);
void generatePreview(Poppler::Document *tikzPdfDoc, qreal zoomFactor, int currentPage);
protected:
void contextMenuEvent(QContextMenuEvent *event);
void paintEvent(QPaintEvent *event);
void wheelEvent(QWheelEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
private Q_SLOTS:
void setZoomFactor(qreal zoomFactor);
void zoomIn();
void zoomOut();
void showPreviousPage();
void showNextPage();
private:
void createInformationLabel();
void createActions();
void showPdfPage();
void centerInfoLabel();
void setInfoLabelText(const QString &message, TikzPreviewMessageWidget::PixmapVisibility pixmapVisibility = TikzPreviewMessageWidget::PixmapNotVisible);
QGraphicsScene *m_tikzScene;
QGraphicsPixmapItem *m_tikzPixmapItem;
TikzPreviewRenderer *m_tikzPreviewRenderer;
bool m_processRunning;
QAction *m_zoomInAction;
QAction *m_zoomOutAction;
ZoomAction *m_zoomToAction;
QAction *m_pageSeparator;
Action *m_previousPageAction;
Action *m_nextPageAction;
TikzPreviewMessageWidget *m_infoWidget;
Poppler::Document *m_tikzPdfDoc;
int m_currentPage;
qreal m_zoomFactor;
qreal m_oldZoomFactor;
bool m_hasZoomed;
bool m_showCoordinates;
QList<qreal> m_tikzCoordinates;
int m_precision;
};
#endif
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