1 /* clickable_label.cpp
2  *
3  * Taken from https://wiki.qt.io/Clickable_QLabel and adapted for usage
4  *
5  * Wireshark - Network traffic analyzer
6  * By Gerald Combs <gerald@wireshark.org>
7  * Copyright 1998 Gerald Combs
8  *
9  * SPDX-License-Identifier: GPL-2.0-or-later
10  */
11 
12 #include <ui/qt/widgets/clickable_label.h>
13 
14 #include <QMouseEvent>
15 
ClickableLabel(QWidget * parent)16 ClickableLabel::ClickableLabel(QWidget* parent)
17     : QLabel(parent)
18 {
19     setMinimumWidth(0);
20     setText(QString());
21 
22     setStyleSheet(QString(
23                       "QLabel {"
24                       "  margin-left: 0.5em;"
25                       " }"
26                       ));
27 }
28 
mouseReleaseEvent(QMouseEvent * event)29 void ClickableLabel::mouseReleaseEvent(QMouseEvent * event)
30 {
31     /* It has to be ensured, that if the user clicks on the label and then moves away out of
32      * the scope of the widget, the event does not fire. Otherwise this behavior differs from
33      * the way, the toolbar buttons work for instance */
34     if (event->pos().x() < 0 || event->pos().x() > size().width())
35         return;
36     if (event->pos().y() < 0 || event->pos().y() > size().height())
37         return;
38 
39     emit clicked();
40 }
41 
mousePressEvent(QMouseEvent * event)42 void ClickableLabel::mousePressEvent(QMouseEvent *event)
43 {
44     if (event->button() == Qt::LeftButton)
45         emit clickedAt(QPoint(event->globalPos()), Qt::LeftButton);
46 }
47 
contextMenuEvent(QContextMenuEvent * event)48 void ClickableLabel::contextMenuEvent(QContextMenuEvent *event)
49 {
50     emit clickedAt(QPoint(event->globalPos()), Qt::RightButton);
51 }
52