Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/ui/qt/widgets/clickable_label.cpp b/ui/qt/widgets/clickable_label.cpp
new file mode 100644
index 0000000..731281c
--- /dev/null
+++ b/ui/qt/widgets/clickable_label.cpp
@@ -0,0 +1,55 @@
+/* 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);
+}