qTox/elidelabel.cpp

/*
    Copyright (C) 2013 by Maxim Biro <nurupo.contributions@gmail.com>
    
    This file is part of Tox Qt GUI.
    
    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 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 COPYING file for more details.
*/

#include "elidelabel.h"

#include <QPainter>
#include <QEvent>

ElideLabel::ElideLabel(QWidget *parent) :
    QLabel(parent), _textElide(false), _textElideMode(Qt::ElideNone), _showToolTipOnElide(false)
{
}

void ElideLabel::paintEvent(QPaintEvent *event)
{
    QFrame::paintEvent(event);
    QPainter p(this);
    QFontMetrics metrics(font());
    if ((metrics.width(text()) > contentsRect().width()) && textElide()) {
        QString elidedText = fontMetrics().elidedText(text(), textElideMode(), rect().width());
        p.drawText(rect(), alignment(), elidedText);
    } else {
        QLabel::paintEvent(event);
    }
}

bool ElideLabel::event(QEvent *event)
{
    if (event->type() == QEvent::ToolTip) {
        QFontMetrics metrics(font());
        if ((metrics.width(text()) > contentsRect().width()) && textElide() && showToolTipOnElide()) {
            setToolTip(text());
        } else {
            setToolTip("");
        }
    }

    return QLabel::event(event);
}

void ElideLabel::setTextElide(bool set)
{
    _textElide = set;
}

bool ElideLabel::textElide() const
{
    return _textElide;
}

void ElideLabel::setTextElideMode(Qt::TextElideMode mode)
{
    _textElideMode = mode;
}

Qt::TextElideMode ElideLabel::textElideMode() const
{
    return _textElideMode;
}

void ElideLabel::setShowToolTipOnElide(bool show)
{
    _showToolTipOnElide = show;
}

bool ElideLabel::showToolTipOnElide()
{
    return _showToolTipOnElide;
}