wireshark/ui/qt/widgets/clickable_label.cpp

56 lines
1.5 KiB
C++

/* clickable_label.cpp
*
* Taken from https://wiki.qt.io/Clickable_QLabel and adapted for usage
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <ui/qt/widgets/clickable_label.h>
#include <QMouseEvent>
ClickableLabel::ClickableLabel(QWidget* parent)
: QLabel(parent)
{
setMinimumWidth(0);
setText(QString());
setStyleSheet(QString(
"QLabel {"
" margin-left: 0.5em;"
" }"
));
}
void ClickableLabel::mouseReleaseEvent(QMouseEvent * event)
{
/* It has to be ensured, that if the user clicks on the label and then moves away out of
* the scope of the widget, the event does not fire. Otherwise this behavior differs from
* the way, the toolbar buttons work for instance */
if (event->pos().x() < 0 || event->pos().x() > size().width())
return;
if (event->pos().y() < 0 || event->pos().y() > size().height())
return;
emit clicked();
}
void ClickableLabel::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton)
#if QT_VERSION >= QT_VERSION_CHECK(6, 0 ,0)
emit clickedAt(event->globalPosition().toPoint(), Qt::LeftButton);
#else
emit clickedAt(event->globalPos(), Qt::LeftButton);
#endif
}
void ClickableLabel::contextMenuEvent(QContextMenuEvent *event)
{
emit clickedAt(QPoint(event->globalPos()), Qt::RightButton);
}