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/*
* Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM)
*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard 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, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBBOARDTHUMBNAILSVIEW_H
#define UBBOARDTHUMBNAILSVIEW_H
#include <QResizeEvent>
#include <QGraphicsView>
#include <QGraphicsScene>
#include <QMouseEvent>
#include "document/UBDocumentContainer.h"
#include "UBThumbnailWidget.h"
class UBBoardThumbnailsView : public QGraphicsView
{
Q_OBJECT
public:
UBBoardThumbnailsView(QWidget* parent=0, const char* name="UBBoardThumbnailsView");
public slots:
void ensureVisibleThumbnail(int index);
void centerOnThumbnail(int index);
void clearThumbnails();
void initThumbnails(UBDocumentContainer* source);
void addThumbnail(UBDocumentContainer* source, int i);
void moveThumbnail(int from, int to);
void removeThumbnail(int i);
void updateThumbnails();
void longPressTimeout();
void mousePressAndHoldEvent(QPoint pos);
protected:
virtual void resizeEvent(QResizeEvent *event);
virtual void dragEnterEvent(QDragEnterEvent* event);
virtual void dragMoveEvent(QDragMoveEvent* event);
virtual void dropEvent(QDropEvent* event);
virtual void mousePressEvent(QMouseEvent *event);
virtual void mouseMoveEvent(QMouseEvent *event);
virtual void mouseReleaseEvent(QMouseEvent *event);
signals:
void mousePressAndHoldEventRequired(QPoint pos);
void moveThumbnailRequired(int from, int to);
private:
UBDraggableThumbnailView* createThumbnail(UBDocumentContainer* source, int i);
void updateThumbnailsPos();
QList<UBDraggableThumbnailView*> mThumbnails;
int mThumbnailWidth;
const int mThumbnailMinWidth;
const int mMargin;
UBDraggableThumbnailView* mDropSource;
UBDraggableThumbnailView* mDropTarget;
QGraphicsRectItem *mDropBar;
int mLongPressInterval;
QTimer mLongPressTimer;
QPoint mLastPressedMousePos;
};
#endif // UBBOARDTHUMBNAILSVIEW_H