forked from osmocom/wireshark
83 lines
1.7 KiB
C++
83 lines
1.7 KiB
C++
/* elided_label.cpp
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <ui/qt/widgets/elided_label.h>
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#include <ui/qt/utils/color_utils.h>
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#include <QFontMetrics>
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#include <QResizeEvent>
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ElidedLabel::ElidedLabel(QWidget *parent) :
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QLabel(parent),
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small_text_(false)
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{
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QFontMetrics fm(font());
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setMinimumWidth(fm.height() * 5); // em-widths
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}
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void ElidedLabel::setUrl(const QString &url)
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{
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url_ = url;
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updateText();
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}
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bool ElidedLabel::event(QEvent *event)
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{
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switch (event->type()) {
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case QEvent::ApplicationPaletteChange:
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updateText();
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break;
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default:
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break;
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}
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return QLabel::event(event);
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}
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void ElidedLabel::resizeEvent(QResizeEvent *)
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{
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updateText();
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}
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void ElidedLabel::updateText()
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{
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// XXX We should probably move text drawing to PaintEvent to match
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// LabelStack.
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int fudged_width = small_text_ ? width() * 1.2 : width();
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QString elided_text = fontMetrics().elidedText(full_text_, Qt::ElideMiddle, fudged_width);
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QString label_text = small_text_ ? "<small><i>" : "<i>";
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if (url_.length() > 0) {
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label_text.prepend(ColorUtils::themeLinkStyle());
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label_text.append(QString("<a href=\"%1\">%2</a>")
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.arg(url_)
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.arg(elided_text)
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);
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} else {
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label_text += elided_text;
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}
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label_text += small_text_ ? "</i></small>" : "</i>";
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QLabel::setText(label_text);
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}
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void ElidedLabel::clear()
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{
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full_text_.clear();
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url_.clear();
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setToolTip("");
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updateText();
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}
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void ElidedLabel::setText(const QString &text)
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{
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full_text_ = text;
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updateText();
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}
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