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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef TOOLTIP_H
#define TOOLTIP_H
#include "../utils_global.h"
#include <QSharedPointer>
#include <QObject>
#include <QTimer>
#include <QRect>
#include <QFont>
/*
* In its current form QToolTip is not extensible. So this is an attempt to provide a more
* flexible and customizable tooltip mechanism for Creator. Part of the code here is duplicated
* from QToolTip. This includes a private Qt header and the non-exported class QTipLabel, which
* here serves as a base tip class. Please notice that Qt relies on this particular class name in
* order to correctly apply the native styles for tooltips. Therefore the QTipLabel name should
* not be changed.
*/
QT_BEGIN_NAMESPACE
class QPoint;
class QVariant;
class QWidget;
QT_END_NAMESPACE
namespace Utils {
namespace Internal { class QTipLabel; }
class QTCREATOR_UTILS_EXPORT ToolTip : public QObject
{
Q_OBJECT
protected:
ToolTip();
public:
~ToolTip();
enum {
ColorContent = 0,
TextContent = 1,
WidgetContent = 42
};
bool eventFilter(QObject *o, QEvent *event);
static ToolTip *instance();
static void show(const QPoint &pos, const QString &content, QWidget *w = 0, const QRect &rect = QRect());
static void show(const QPoint &pos, const QColor &color, QWidget *w = 0, const QRect &rect = QRect());
static void show(const QPoint &pos, QWidget *content, QWidget *w = 0, const QRect &rect = QRect());
static void move(const QPoint &pos, QWidget *w);
static void hide();
static bool isVisible();
// Helper to 'pin' (show as real window) a tooltip shown
// using WidgetContent
static bool pinToolTip(QWidget *w, QWidget *parent);
private:
void showInternal(const QPoint &pos, const QVariant &content, int typeId, QWidget *w, const QRect &rect);
void hideTipImmediately();
bool acceptShow(const QVariant &content, int typeId, const QPoint &pos, QWidget *w, const QRect &rect);
void setUp(const QPoint &pos, QWidget *w, const QRect &rect);
bool tipChanged(const QPoint &pos, const QVariant &content, int typeId, QWidget *w) const;
void setTipRect(QWidget *w, const QRect &rect);
void placeTip(const QPoint &pos, QWidget *w);
void showTip();
void hideTipWithDelay();
Internal::QTipLabel *m_tip;
QWidget *m_widget;
QRect m_rect;
QTimer m_showTimer;
QTimer m_hideDelayTimer;
};
} // namespace Utils
#endif // TOOLTIP_H
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