Differential D15066 Diff 40387 lib/squeezedlinklabel.cpp

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lib/squeezedlinklabel.cpp

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		1		/*
		2		Gwenview: an image viewer
		3		Copyright 2018 Henrik Fehlauer <rkflx@lab12.net>
		4
		5		This program is free software; you can redistribute it and/or
		6		modify it under the terms of the GNU General Public License
		7		as published by the Free Software Foundation; either version 2
		8		of the License, or (at your option) any later version.
		9
		10		This program is distributed in the hope that it will be useful,
		11		but WITHOUT ANY WARRANTY; without even the implied warranty of
		12		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		13		GNU General Public License for more details.
		14
		15		You should have received a copy of the GNU General Public License
		16		along with this program; if not, write to the Free Software
		17		Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
		18
		19		*/
		20
		21		#include "squeezedlinklabel.h"
		22
		23		#include <QDebug>
		24
		25		class SqueezedLinkLabelPrivate
		26		{
		27		public:
		28		QString fullText;
		29		QString linkTarget;
		30		SqueezedLinkLabel::LabelType labelType;
		31		};
		32
		33		SqueezedLinkLabel::SqueezedLinkLabel(QWidget *parent)
		34		: QLabel(parent),
		35		d(new SqueezedLinkLabelPrivate)
		36		{
		37		d->labelType = Link;
		38		}
		39
		40		QSize SqueezedLinkLabel::minimumSizeHint() const
		41		{
		42		return QSize(-1, QLabel::minimumSizeHint().height());
		43		}
		44
		45		QSize SqueezedLinkLabel::sizeHint() const
		46		{
		47		const int textWidth = fontMetrics().width(d->fullText);
		48		const int chromeWidth = width() - contentsRect().width(); // no support for indent and margin yet
		49		return QSize(textWidth + chromeWidth, QLabel::sizeHint().height());
		50		}
		51
		52		void SqueezedLinkLabel::setText(const QString& text, const QString& linkTarget, const LabelType& labelType)
		53		{
		54		d->fullText = text;
		55		d->linkTarget = linkTarget;
		56		d->labelType = labelType;
		57		squeezeTextToLabel();
		58		}
		59
		60		void SqueezedLinkLabel::resizeEvent(QResizeEvent*)
		61		{
		62		squeezeTextToLabel();
		63		}
		64
		65		void SqueezedLinkLabel::squeezeTextToLabel()
		66		{
		67		const int labelWidth = contentsRect().width();
		68		const int lineWidth = fontMetrics().width(d->fullText);
		69		QString text;
		70
		71		if (lineWidth > labelWidth) {
		72		text = fontMetrics().elidedText(d->fullText, Qt::ElideRight, labelWidth);
		73		setToolTip(d->fullText);
		74		} else {
		75		text = d->fullText;
		76		setToolTip(QString());
		77		}
		78
		79		if (d->labelType == Link) {
		80		text = QStringLiteral("<a href='%2'>%1</a>").arg(text, d->linkTarget);
		81		}
		82		QLabel::setText(text);
		83		}