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115 lines
3.5 KiB
115 lines
3.5 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UBDOCUMENTNAVIGATOR_H
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#define UBDOCUMENTNAVIGATOR_H
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#include <QResizeEvent>
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#include <QGraphicsView>
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#include <QGraphicsScene>
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#include <QMouseEvent>
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#include <QThread>
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#include "document/UBDocumentProxy.h"
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#include "document/UBDocumentContainer.h"
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#include "UBThumbnailWidget.h"
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#define NO_PAGESELECTED -1
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class UBDocumentNavigator : public QGraphicsView
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{
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Q_OBJECT
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public:
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UBDocumentNavigator(QWidget* parent=0, const char* name="documentNavigator");
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~UBDocumentNavigator();
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void setNbColumns(int nbColumns);
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int nbColumns();
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void setThumbnailMinWidth(int width);
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int thumbnailMinWidth();
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void clearSelection();
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UBSceneThumbnailNavigPixmap* clickedThumbnail(const QPoint pos) const;
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public slots:
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void onScrollToSelectedPage(int index);// { if (mCrntItem) centerOn(mCrntItem); }
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void generateThumbnails(UBDocumentContainer* source);
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void insertThumbnail(int index);
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void updateThumbnail(int index);
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void removeThumbnail(int index);
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void moveThumbnail(int from, int to);
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void longPressTimeout();
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void mousePressAndHoldEvent();
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protected:
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virtual void resizeEvent(QResizeEvent *event);
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virtual void mousePressEvent(QMouseEvent *event);
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virtual void mouseReleaseEvent(QMouseEvent *event);
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virtual void dragEnterEvent(QDragEnterEvent* event);
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virtual void dragMoveEvent(QDragMoveEvent* event);
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virtual void dropEvent(QDropEvent* event);
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virtual void keyPressEvent(QKeyEvent *event);
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signals:
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void mousePressAndHoldEventRequired();
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void moveThumbnailRequired(int from, int to);
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private:
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void refreshScene();
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int border();
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/** The scene */
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QGraphicsScene* mScene;
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/** The current selected item */
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//UBSceneThumbnailNavigPixmap* mCrntItem;
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/** The list of current thumbnails with labels*/
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QList<UBImgTextThumbnailElement> mThumbsWithLabels;
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/** The current number of columns */
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int mNbColumns;
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/** The current thumbnails width */
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int mThumbnailWidth;
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/** The current thumbnails minimum width */
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int mThumbnailMinWidth;
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/** The selected thumbnail */
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UBSceneThumbnailNavigPixmap* mSelectedThumbnail;
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UBSceneThumbnailNavigPixmap* mLastClickedThumbnail;
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UBSceneThumbnailNavigPixmap* mDropSource;
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UBSceneThumbnailNavigPixmap* mDropTarget;
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QGraphicsRectItem *mDropBar;
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int mLongPressInterval;
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QTimer mLongPressTimer;
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QPoint mLastPressedMousePos;
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};
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#endif // UBDOCUMENTNAVIGATOR_H
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