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/*
SPDX-FileCopyrightText: 2002 Shie Erlich <erlich@users.sourceforge.net>
SPDX-FileCopyrightText: 2002 Rafi Yanai <yanai@users.sourceforge.net>
SPDX-FileCopyrightText: 2004-2022 Krusader Krew <https://krusader.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "krsqueezedtextlabel.h"
// QtGui
#include <QDragEnterEvent>
#include <QPainter>
// QtWidgets
#include <QLabel>
#include <QToolTip>
#include <KStringHandler>
#include <KUrlMimeData>
#include "../compat.h"
KrSqueezedTextLabel::KrSqueezedTextLabel(QWidget *parent)
: KSqueezedTextLabel(parent)
, _index(-1)
, _length(-1)
{
setAutoFillBackground(true);
}
KrSqueezedTextLabel::~KrSqueezedTextLabel() = default;
void KrSqueezedTextLabel::mousePressEvent(QMouseEvent *e)
{
e->ignore();
emit clicked(e);
}
void KrSqueezedTextLabel::squeezeTextToLabel(qsizetype index, qsizetype length)
{
if (index == -1 || length == -1)
KSqueezedTextLabel::squeezeTextToLabel();
else {
QString sqtext = fullText;
QFontMetrics fm(fontMetrics());
int labelWidth = size().width();
int textWidth = fm.horizontalAdvance(sqtext);
if (textWidth > labelWidth) {
qsizetype avgCharSize = textWidth / sqtext.length();
qsizetype numOfExtraChars = (textWidth - labelWidth) / avgCharSize;
qsizetype delta;
// remove as much as possible from the left, and then from the right
if (index > 3) {
delta = qMin(index, numOfExtraChars);
numOfExtraChars -= delta;
sqtext.replace(0, delta, "...");
}
if (numOfExtraChars > 0 && ((int)sqtext.length() > length + 3)) {
delta = qMin(numOfExtraChars, (int)sqtext.length() - (length + 3));
sqtext.replace(sqtext.length() - delta, delta, "...");
}
QLabel::setText(sqtext);
setToolTip(QString());
setToolTip(fullText);
} else {
QLabel::setText(fullText);
setToolTip(QString());
QToolTip::hideText();
}
}
}
void KrSqueezedTextLabel::setText(const QString &text, qsizetype index, qsizetype length)
{
_index = index;
_length = length;
fullText = text;
KSqueezedTextLabel::setText(fullText);
squeezeTextToLabel(_index, _length);
}
void KrSqueezedTextLabel::paintEvent(QPaintEvent *e)
{
KSqueezedTextLabel::paintEvent(e);
}
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