RetroShare/retroshare-gui/src/gui/common/ElidedLabel.h
2021-01-29 10:50:34 +01:00

91 lines
3.6 KiB
C++

/*******************************************************************************
* gui/common/ElidedLabel.h *
* *
* Copyright (C) 2012, Retroshare Team <retroshare.project@gmail.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
// Inspired from Qt examples set
#ifndef ELIDEDLABEL_H
#define ELIDEDLABEL_H
#include <QLabel>
#include <QRect>
#include <QResizeEvent>
#include <QString>
#include <QWidget>
class ElidedLabel : public QLabel
{
Q_OBJECT
Q_PROPERTY(QString text READ text WRITE setText)
Q_PROPERTY(bool isElided READ isElided)
Q_PROPERTY(bool isOnlyPlainText READ isOnlyPlainText WRITE setOnlyPlainText)
Q_PROPERTY(QColor textColor READ textColor WRITE setTextColor)
public:
explicit ElidedLabel(const QString &text, QWidget *parent = 0);
ElidedLabel(QWidget *parent = 0);
const QString & text() const { return mContent; }
bool isElided() const { return mElided; }
bool isOnlyPlainText() const { return mOnlyPlainText; }
QColor textColor() const { return mTextColor; }
void setTextColor(const QColor &color);
/**
* @brief paintElidedLine: Draw elided(…) line to a painter.
* @param painter: wher to paint line. If null, only calculate rectElision.
* painter pen have to be setted before. This doesn't paint background.
* @param plainText: Plain text to paint.
* @param cr: Area where to paint. If too close, text is elided.
* @param font: Font to use to pain text.
* @param alignment: Which alignement to use for text.
* @param wordWrap: If it elide by char or by word.
* @param drawRoundRect: If rounded rect around … is need. To notice user he can click on it.
* @param rectElision: Where elision occurs. To manage click. Can be omitted.
* @return If text need to be elided.
*/
static bool paintElidedLine( QPainter* painter, QString plainText
, const QRect& cr, QFont font
, Qt::Alignment alignment,bool wordWrap
, bool drawRoundedRect,QRect* rectElision = nullptr);
public slots:
void setText(const QString &text);
void setOnlyPlainText(const bool &value);
void clear();
protected:
void paintEvent(QPaintEvent *event);
void mousePressEvent(QMouseEvent *ev);
signals:
void elisionChanged(bool elided);
void clicked(QPoint pos);
private:
bool mElided;
bool mOnlyPlainText;
QString mContent;
QRect mRectElision;
QColor mTextColor;
};
#endif // ELIDEDLABEL_H