Files
cantata/widgets/textbrowser.h
2012-06-11 11:07:34 +00:00

85 lines
2.0 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef TEXTBROWSER_H
#define TEXTBROWSER_H
#include <QtGui/QTextBrowser>
#include <QtGui/QImage>
#include <QtCore/QDebug>
class TextBrowser : public QTextBrowser
{
public:
TextBrowser(QWidget *p)
: QTextBrowser(p)
, drawImage(false) {
orig=font().pointSize();
}
virtual ~TextBrowser() {
}
void setZoom(int diff) {
if (diff) {
zoomIn(diff);
}
}
int zoom() const {
return font().pointSize()-orig;
}
void setImage(const QImage &img) {
if (drawImage && (!img.isNull() || (img.isNull()!=image.isNull()))) {
image=img;
viewport()->update();
}
}
void enableImage(bool e) {
if (e!=drawImage) {
drawImage=e;
if (!drawImage) {
image=QImage();
}
if (e) {
viewport()->setAutoFillBackground(false);
}
viewport()->update();
}
}
bool imageEnabled() {
return drawImage;
}
void paintEvent(QPaintEvent *e);
private:
int orig;
QImage image;
bool drawImage;
};
#endif