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/***************************************************************************
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* Copyright (C) 2004-2005 by Albert Astals Cid *
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* tsdgeos@terra.es *
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* *
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* This program 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; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef MAPWIDGET_H
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#define MAPWIDGET_H
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#include <tqimage.h>
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#include <tqpoint.h>
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#include <tqwidget.h>
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class mapWidget : public QWidget
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{
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Q_OBJECT
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public:
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mapWidget(TQWidget *parent);
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void init(const TQString &path, int scrollBarWidth, int scrollBarHeight);
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void setMapMove(bool b);
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void setMapZoom(bool b);
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TQSize tqsizeHint() const;
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TQSize mapSize() const;
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public slots:
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void updateHPosition(int value);
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void updateVPosition(int value);
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void setOriginalImage();
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signals:
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void setMoveActionChecked(bool b);
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void setZoomActionChecked(bool b);
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void setMoveActionEnabled(bool b);
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void clicked(QRgb, const TQPoint&);
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void updatePosition(int X, int Y);
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void updateVisibleSize(int w, int h);
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void updateMaximumSize(int w, int h);
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protected:
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void mousePressEvent(TQMouseEvent *e);
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void mouseMoveEvent(TQMouseEvent *e);
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void mouseReleaseEvent(TQMouseEvent *e);
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void resizeEvent(TQResizeEvent *e);
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private:
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void emitMoveActionEnabled();
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TQImage *getCurrentImage();
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void updateShownImage();
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TQImage p_originalImage, p_zoomedImageShown;
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bool p_zooming, p_wantZoom, p_moving, p_wantMove;
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TQPoint p_initial, p_prev; // rubberbanding and moving
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int p_zoomX, p_zoomY, p_zoomW, p_zoomH;
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double p_lastFactorX, p_lastFactorY;
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// useful to not do that many updateShownImage
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TQSize p_oldSize;
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int p_oldZoomX, p_oldZoomY, p_oldZoomW, p_oldZoomH;
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int p_scrollBarWidth, p_scrollBarHeight;
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bool p_scrollBarsVisible;
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};
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#endif
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