annotate src/clickablelabel.h @ 633:db62a0cb3037

* Added setting to specify that diff command should be run once for each selected file, rather than passing all file names to diff command (p4merge doesn't like being given many files)

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    EasyMercurial

    Based on HgExplorer by Jari Korhonen
    Copyright (c) 2010 Jari Korhonen
    Copyright (c) 2012 Chris Cannam
    Copyright (c) 2012 Queen Mary, University of London
    
    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.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _CLICKABLE_LABEL_H_
#define _CLICKABLE_LABEL_H_

#include "squeezedlabel.h"

#include <QMouseEvent>

class ClickableLabel : public SqueezedLabel
{
    Q_OBJECT

    Q_PROPERTY(bool mouseUnderline READ mouseUnderline WRITE setMouseUnderline)

public:
    ClickableLabel(const QString &text, QWidget *parent = 0) :
        SqueezedLabel(text, parent),
	m_naturalText(text)
    { }

    ClickableLabel(QWidget *parent = 0) :
	SqueezedLabel(parent)
    { }

    ~ClickableLabel()
    { }

    void setText(const QString &t) {
	m_naturalText = t;
	SqueezedLabel::setText(t);
    }

    bool mouseUnderline() const {
	return m_mouseUnderline;
    }

    void setMouseUnderline(bool mu) {
	m_mouseUnderline = mu;
	if (mu) {
	    setTextFormat(Qt::RichText);
	    setCursor(Qt::PointingHandCursor);
	}
    }

signals:
    void clicked();

protected:
    virtual void enterEvent(QEvent *) {
	if (m_mouseUnderline) {
	    SqueezedLabel::setText(tr("<u>%1</u>").arg(m_naturalText));
	}
    }

    virtual void leaveEvent(QEvent *) {
	if (m_mouseUnderline) {
	    SqueezedLabel::setText(m_naturalText);
	}
    }

    virtual void mousePressEvent(QMouseEvent *ev) {
        if (ev->button() == Qt::LeftButton) {
            emit clicked();
        } else {
            SqueezedLabel::mousePressEvent(ev);
        }
    }

private:
    bool m_mouseUnderline;
    QString m_naturalText;
};

#endif