Added selection highlight layer to view.

glabels/Handles.h

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+/*  Handles.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_Handles_h
+#define glabels_Handles_h
+
+
+#include <QPainter>
+#include <QPainterPath>
+
+
+namespace glabels
+{
+
+	class LabelModelObject;
+
+
+	///
+	/// Handle Base Class
+	///
+	class Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	protected:
+		Handle( LabelModelObject* owner );
+	public:
+		virtual ~Handle();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const = 0;
+		virtual QPainterPath path( QPainter* painter ) const = 0;
+	protected:
+		void drawAt( QPainter* painter, double x, double y ) const;
+		QPainterPath pathAt( QPainter* painter, double x, double y ) const;
+
+
+		////////////////////////////
+		// Protected Data
+		////////////////////////////
+	protected:
+		LabelModelObject* mOwner;
+
+	};
+
+
+	///
+	/// HandleNorth Class
+	///
+	class HandleNorth : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleNorth( LabelModelObject* owner );
+		virtual ~HandleNorth();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleNorthEast Class
+	///
+	class HandleNorthEast : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleNorthEast( LabelModelObject* owner );
+		virtual ~HandleNorthEast();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleEast Class
+	///
+	class HandleEast : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleEast( LabelModelObject* owner );
+		virtual ~HandleEast();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleSouthEast Class
+	///
+	class HandleSouthEast : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleSouthEast( LabelModelObject* owner );
+		virtual ~HandleSouthEast();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleSouth Class
+	///
+	class HandleSouth : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleSouth( LabelModelObject* owner );
+		virtual ~HandleSouth();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleSouthWest Class
+	///
+	class HandleSouthWest : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleSouthWest( LabelModelObject* owner );
+		virtual ~HandleSouthWest();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleWest Class
+	///
+	class HandleWest : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleWest( LabelModelObject* owner );
+		virtual ~HandleWest();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleNorthWest Class
+	///
+	class HandleNorthWest : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleNorthWest( LabelModelObject* owner );
+		virtual ~HandleNorthWest();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleP1 Class
+	///
+	class HandleP1 : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleP1( LabelModelObject* owner );
+		virtual ~HandleP1();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+	///
+	/// HandleP2 Class
+	///
+	class HandleP2 : public Handle
+	{
+		////////////////////////////
+		// Lifecycle Methods
+		////////////////////////////
+	public:
+		HandleP2( LabelModelObject* owner );
+		virtual ~HandleP2();
+
+
+		////////////////////////////
+		// Drawing Methods
+		////////////////////////////
+	public:
+		virtual void  draw( QPainter* painter ) const;
+		virtual QPainterPath path( QPainter* painter ) const;
+	};
+
+
+}
+
+#endif // glabels_Handles_h