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/*******************************************************************************
* Copyright (C) 2008 by Konstantin Heil <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
*******************************************************************************/
#ifndef TOOLTIPMANAGER_H
#define TOOLTIPMANAGER_H
#include <KFileItem>
#include <QObject>
#include <QRect>
class DolphinFileMetaDataWidget;
class KToolTipWidget;
class QTimer;
class QWindow;
/**
* @brief Manages the tooltips for an item view.
*
* When hovering an item, a tooltip is shown after
* a short timeout. The tooltip is hidden again when the
* viewport is hovered or the item view has been left.
*/
class ToolTipManager : public QObject
{
Q_OBJECT
public:
enum class HideBehavior {
Instantly,
Later
};
explicit ToolTipManager(QWidget* parent);
~ToolTipManager() override;
/**
* Triggers the showing of the tooltip for the item \p item
* where the item has the maximum boundaries of \p itemRect.
* The tooltip manager takes care that the tooltip is shown
* slightly delayed and with a proper \p transientParent.
*/
void showToolTip(const KFileItem& item, const QRectF& itemRect, QWindow *transientParent);
/**
* Hides the currently shown tooltip.
*/
void hideToolTip(const HideBehavior behavior = HideBehavior::Later);
signals:
/**
* Is emitted when the user clicks a tag or a link
* in the metadata widget.
*/
void urlActivated(const QUrl& url);
private slots:
void startContentRetrieval();
void setPreviewPix(const KFileItem& item, const QPixmap& pix);
void previewFailed();
void slotMetaDataRequestFinished();
void showToolTip();
private:
/// Timeout from requesting a tooltip until the tooltip
/// should be shown
QTimer* m_showToolTipTimer;
/// Timeout from requesting a tooltip until the retrieving of
/// the tooltip content like preview and meta data gets started.
QTimer* m_contentRetrievalTimer;
/// Transient parent of the tooltip, mandatory on Wayland.
QWindow* m_transientParent;
QScopedPointer<KToolTipWidget> m_tooltipWidget;
QScopedPointer<DolphinFileMetaDataWidget> m_fileMetaDataWidget;
bool m_toolTipRequested;
bool m_metaDataRequested;
bool m_appliedWaitCursor;
int m_margin;
KFileItem m_item;
QRect m_itemRect;
};
#endif
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