84 lines
2.5 KiB
Objective-C
84 lines
2.5 KiB
Objective-C
// Object Viewer Qt - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2011 Dzmitry Kamiahin <dnk-88@tut.by>
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef LANDSCAPE_VIEW_H
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#define LANDSCAPE_VIEW_H
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// Project includes
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#include "landscape_editor_global.h"
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// Qt includes
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#include <QtGui/QGraphicsView>
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#include <QtGui/QWheelEvent>
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namespace LandscapeEditor
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{
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/**
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@class LandscapeView
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@brief Provides graphics view for viewing zone regions.
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@details Also provides zooming, panning and displaying grid
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*/
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class LANDSCAPE_EDITOR_EXPORT LandscapeView: public QGraphicsView
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{
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Q_OBJECT
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public:
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explicit LandscapeView(QWidget *parent = 0);
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virtual ~LandscapeView();
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//Set the current centerpoint in the
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void setCenter(const QPointF ¢erPoint);
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QPointF getCenter() const;
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bool isVisibleGrid() const;
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public Q_SLOTS:
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/// Enable/disable displaying grid.
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void setVisibleGrid(bool visible);
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/// Enable/disable displaying text(coord.) above each zone bricks.
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void setVisibleText(bool visible);
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private Q_SLOTS:
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protected:
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//Take over the interaction
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virtual void wheelEvent(QWheelEvent *event);
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virtual void mousePressEvent(QMouseEvent *event);
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virtual void mouseMoveEvent(QMouseEvent *event);
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virtual void mouseReleaseEvent(QMouseEvent *event);
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virtual void drawForeground(QPainter *painter, const QRectF &rect);
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virtual void resizeEvent(QResizeEvent *event);
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void drawGrid(QPainter *painter, const QRectF &rect);
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void drawZoneNames(QPainter *painter, const QRectF &rect);
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private:
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bool m_visibleGrid, m_visibleText;
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qreal m_maxView, m_minView, m_maxViewText;
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int m_cellSize;
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//Holds the current centerpoint for the view, used for panning and zooming
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QPointF m_currentCenterPoint;
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//From panning the view
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QPoint m_lastPanPoint;
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}; /* class LandscapeView */
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} /* namespace LandscapeEditor */
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#endif // LANDSCAPE_VIEW_H
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