Moved app/ to glabels/.

2014-07-06 12:22:06 -04:00
parent dfcc030318
commit cff463a23a
108 changed files with 1 additions and 1 deletions
@@ -0,0 +1,166 @@
+/*  View.h
+ *
+ *  Copyright (C) 2013  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt 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 gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef glabels_View_h
+#define glabels_View_h
+
+#include <QGraphicsView>
+
+#include "LabelRegion.h"
+
+class QGraphicsScene;
+class QGraphicsItemGroup;
+
+
+namespace glabels
+{
+	// Forward References
+	class LabelModel;
+	class LabelModelObject;
+
+
+	///
+	/// View Widget
+	///
+	class View : public QGraphicsView
+	{
+		Q_OBJECT
+
+		/////////////////////////////////////
+		// Lifecycle
+		/////////////////////////////////////
+	public:
+		View( QWidget *parent = 0 );
+
+
+		/////////////////////////////////////
+		// Signals
+		/////////////////////////////////////
+	signals:
+		void zoomChanged();
+		void pointerMoved( double x, double y );
+		void pointerExited();
+
+
+		/////////////////////////////////////
+		// Parameters
+		/////////////////////////////////////
+	public:
+		inline double zoom() const;
+
+
+		/////////////////////////////////////
+		// Model
+		/////////////////////////////////////
+	public:
+		void setModel( LabelModel* model );
+
+
+		/////////////////////////////////////
+		// Visibility operations
+		/////////////////////////////////////
+	public:
+		void setGridVisible( bool visibleFlag );
+		void setMarkupVisible( bool visibleFlag );
+
+
+		/////////////////////////////////////
+		// Zoom operations
+		/////////////////////////////////////
+	public:
+		void zoomIn();
+		void zoomOut();
+		void zoom1To1();
+		void zoomToFit();
+		bool isZoomMax() const;
+		bool isZoomMin() const;
+	private:
+		void setZoomReal( double zoom, bool zoomToFitFlag );
+
+
+		/////////////////////////////////////
+		// Event handlers
+		/////////////////////////////////////
+	protected:
+		void resizeEvent( QResizeEvent* event );
+		void mouseMoveEvent( QMouseEvent* event );
+		void mousePressEvent( QMouseEvent* event );
+		void mouseReleaseEvent( QMouseEvent* event );
+		void leaveEvent( QEvent* event );
+
+
+		/////////////////////////////////////
+		// Private methods
+		/////////////////////////////////////
+	private:
+		void clearLayer( QGraphicsItemGroup* layer );
+		void initLabelLayer();
+		void initGridLayer();
+		void initMarkupLayer();
+		void addObjectToObjectLayer( LabelModelObject* object );
+		void initForegroundLayer();
+		void initSelectRegionLayer();
+
+
+		/////////////////////////////////////
+		// Private data
+		/////////////////////////////////////
+	private:
+		enum State {
+			IdleState,
+			ArrowSelectRegionState
+		};
+
+		State               mState;
+
+		QGraphicsScene*     mScene;
+
+		QGraphicsItemGroup* mLabelLayer;
+		QGraphicsItemGroup* mGridLayer;
+		QGraphicsItemGroup* mMarkupLayer;
+		QGraphicsItemGroup* mObjectLayer;
+		QGraphicsItemGroup* mForegroundLayer;
+		QGraphicsItemGroup* mSelectRegionLayer;
+
+		QGraphicsRectItem*  mSelectRegionItem;
+		LabelRegion         mSelectRegion;
+
+		double              mZoom;
+		bool                mZoomToFitFlag;
+
+		LabelModel*         mModel;
+
+	};
+
+
+	/////////////////////////////////
+	// INLINE METHODS
+	/////////////////////////////////
+
+	inline double View::zoom() const
+	{
+		return mZoom;
+	}
+
+}
+
+
+
+#endif // glabels_View_h