source: src/UIElements/Menu/Qt4/QMenu_tooltip.hpp@ 86c013

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Last change on this file since 86c013 was 86c013, checked in by Frederik Heber <heber@…>, 10 years ago

QMenu extended for tooltips, but not working yet.

  • somehow no QHelpEvents are triggered that would cause display of tooltips for QActions as menuitems.
  • Property mode set to 100644
File size: 1.0 KB
Line 
1/*
2 * QMenu_tooltip.hpp
3 *
4 * Created on: Sep 8, 2014
5 * Author: heber
6 */
7
8#ifndef QMENU_TOOLTIP_HPP_
9#define QMENU_TOOLTIP_HPP_
10
11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16#include <QEvent>
17#include <QHelpEvent>
18#include <QMenu>
19#include <QToolTip>
20#include <iostream>
21
22/** Derived from QMenu to override default behavior of not showing tooltip event.
23 *
24 * This was taken from http://qt-project.org/faq/answer/how_can_i_add_tooltips_to_actions_in_menus
25 * in order to show tooltips for the Actions.
26 */
27class QMenu_tooltip : public QMenu
28{
29 Q_OBJECT
30public:
31 QMenu_tooltip(const QString &_title) :
32 QMenu(_title)
33 {}
34 bool event (QEvent * e)
35 {
36 if (e->type() == QEvent::ToolTip) {
37 const QHelpEvent *helpEvent = static_cast <QHelpEvent *>(e);
38 // call QToolTip::showText on that QAction's tooltip.
39 QToolTip::showText(helpEvent->globalPos(), activeAction()->toolTip());
40 } else {
41 QToolTip::hideText();
42 }
43 return QMenu::event(e);
44 }
45};
46
47
48#endif /* QMENU_TOOLTIP_HPP_ */
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