mirror of
https://bitbucket.org/smil3y/kde-extraapps.git
synced 2025-02-24 10:52:53 +00:00
129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
/*
|
|
* Copyright 2008 by Alessandro Diaferia <alediaferia@gmail.com>
|
|
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef PREVIEWWIDGET_H
|
|
#define PREVIEWWIDGET_H
|
|
|
|
#include <QGraphicsWidget>
|
|
#include <QStyleOptionViewItem>
|
|
#include <QWeakPointer>
|
|
|
|
#include <KFileItemDelegate>
|
|
#include <KUrl>
|
|
|
|
namespace Plasma{
|
|
class ScrollBar;
|
|
class FrameSvg;
|
|
class Svg;
|
|
}
|
|
|
|
class QStyleOptionViewItemV4;
|
|
class KUrl;
|
|
class QGraphicsSceneWheelEvent;
|
|
class QGraphicsSceneResizeEvent;
|
|
class KFileItem;
|
|
class QPropertyAnimation;
|
|
|
|
class PreviewWidget : public QGraphicsWidget
|
|
{
|
|
Q_OBJECT
|
|
Q_PROPERTY(qreal animationValue READ animationValue WRITE expandingSlot)
|
|
|
|
public:
|
|
PreviewWidget(QGraphicsItem *parent);
|
|
~PreviewWidget();
|
|
|
|
void paint( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0 );
|
|
|
|
/**
|
|
* Call this method whenever the item list changes.
|
|
* This method takes care of updating the view.
|
|
*/
|
|
void setItemsList(const QList<QUrl> &);
|
|
|
|
QSize iconSize() const;
|
|
int bottomBorderHeight() const;
|
|
static int suggestedWidth();
|
|
|
|
QList<QUrl> previews();
|
|
|
|
qreal animationValue() const;
|
|
|
|
static const int s_spacing = 2;
|
|
static const int s_logoSize = 27;
|
|
static const int s_topBorder = s_logoSize + 8;
|
|
|
|
public slots:
|
|
void animateHeight(bool isExpanding);
|
|
void expandingSlot(qreal progress);
|
|
void addItem(const QUrl &);
|
|
void removeItem(int index);
|
|
|
|
protected:
|
|
void layoutItems();
|
|
void lookForPreview();
|
|
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
|
|
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
|
|
void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
|
|
void wheelEvent(QGraphicsSceneWheelEvent *event);
|
|
void updateSelectedItems(const QPoint &);
|
|
void updateHoveredItems(const QPoint &);
|
|
void dropEvent(QGraphicsSceneDragDropEvent *);
|
|
void resizeEvent(QGraphicsSceneResizeEvent *event);
|
|
void mousePressEvent(QGraphicsSceneMouseEvent *event);
|
|
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
|
|
|
|
/**
|
|
* Draws an open/close arrow in the top right corner.
|
|
*/
|
|
void drawOpenCloseArrow(QPainter *);
|
|
|
|
private slots:
|
|
virtual void setPreview(const KFileItem &, const QPixmap &);
|
|
virtual void scrolled(int);
|
|
void setupOptionViewItem();
|
|
void calculateRects();
|
|
void updateMargins();
|
|
|
|
signals:
|
|
void fileOpenRequested(const KUrl &);
|
|
void urlsDropped(const KUrl::List &);
|
|
|
|
private:
|
|
Plasma::ScrollBar *m_scrollBar;
|
|
KFileItemDelegate m_delegate;
|
|
QRect m_itemsRect;
|
|
QVector<QRect> m_items;
|
|
QMap<KUrl, QPixmap> m_previews;
|
|
int m_selectedIndex;
|
|
int m_hoveredIndex;
|
|
QStyleOptionViewItemV4 m_option;
|
|
QRect m_previewRect;
|
|
bool m_layoutIsValid;
|
|
Plasma::FrameSvg *m_panel;
|
|
Plasma::FrameSvg *m_hoverSvg;
|
|
Plasma::Svg *m_logo;
|
|
KUrl m_hoveredUrl;
|
|
QList<QUrl> m_previewHistory;
|
|
QPoint m_clicked;
|
|
bool m_closeStatus; // defines whether the widget should be drawn open or close
|
|
QRect m_arrowRect;
|
|
int m_animationHeight;
|
|
QWeakPointer<QPropertyAnimation> m_animation;
|
|
};
|
|
|
|
#endif
|