Initial porting of some core files from VALA/gtk+ to C++/Qt.

2013-10-14 22:19:24 -04:00
parent 96d46a6bd5
commit 27e791212d
22 changed files with 4393 additions and 0 deletions
@@ -0,0 +1,483 @@
+/*  LabelModelItem.h
+ *
+ *  Copyright (C) 2013  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of qtLabels.
+ *
+ *  qtLabels 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.
+ *
+ *  qtLabels 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 qtLabels.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef qtlabels_LabelModelItem_h
+#define qtlabels_LabelModelItem_h
+
+#include <QObject>
+#include <QTransform>
+#include <QFont>
+#include <QPainter>
+
+#include "ColorNode.h"
+#include "TextNode.h"
+#include "BarcodeStyle.h"
+#include "LabelRegion.h"
+#include "MergeRecord.h"
+
+
+namespace qtLabels
+{
+
+	class LabelModelItem : public QObject
+	{
+		Q_OBJECT
+
+		///////////////////////////////////////////////////////////////
+		// Lifecycle Methods
+		///////////////////////////////////////////////////////////////
+	public:
+		LabelModelItem();
+		virtual ~LabelModelItem() {}
+
+
+		///////////////////////////////////////////////////////////////
+		// Signals
+		///////////////////////////////////////////////////////////////
+	signals:
+		void moved();
+		void changed();
+
+
+		///////////////////////////////////////////////////////////////
+		// Common Properties
+		///////////////////////////////////////////////////////////////
+	public:
+		/*
+		 * Selected Property.
+		 */
+		Q_PROPERTY( bool selected READ is_selected WRITE select RESET unselect )
+
+		bool is_selected( void ) { return m_selected_flag; }
+		void select( bool value = true ) { m_selected_flag = value; }
+		void unselect( void ) { m_selected_flag = false; }
+
+
+		/*
+		 * x0 Property ( x coordinate of origin )
+		 */
+		Q_PROPERTY( double x0 READ x0 WRITE x0 );
+
+		double x0( void ) { return m_x0; }
+		void x0( double value )
+		{
+			if ( m_x0 != value ) { m_x0 = value; emit moved(); }
+		}
+		
+
+		/*
+		 * y0 Property ( y coordinate of origin )
+		 */
+		Q_PROPERTY( double y0 READ y0 WRITE y0 );
+
+		double y0( void ) { return m_y0; }
+		void y0( double value )
+		{
+			if ( m_y0 != value ) { m_y0 = value; emit moved(); }
+		}
+		
+
+		/*
+		 * w Property ( width of bounding box )
+		 */
+		Q_PROPERTY( double w  READ w  WRITE w );
+
+		double w( void ) { return m_w; }
+		void w( double value )
+		{
+			if ( m_w != value ) { m_w = value; emit moved(); }
+		}
+		
+
+		/*
+		 * h Property ( height of bounding box )
+		 */
+		Q_PROPERTY( double h  READ h  WRITE h );
+
+		double h( void ) { return m_h; }
+		void h( double value )
+		{
+			if ( m_h != value ) { m_h = value; emit moved(); }
+		}
+
+
+		/*
+		 * Transformation Matrix Property
+		 */
+		Q_PROPERTY( QTransform matrix READ matrix WRITE matrix );
+
+		QTransform matrix( void ) { return m_matrix; }
+		void matrix( const QTransform &value )
+		{
+			if ( m_matrix != value ) { m_matrix = value; emit changed(); }
+		}
+
+
+		/*
+		 * Shadow State Property
+		 */
+		Q_PROPERTY( bool shadow READ shadow WRITE shadow );
+
+		bool shadow( void ) { return m_shadow_state; }
+		void shadow( bool value )
+		{
+			if ( m_shadow_state != value ) { m_shadow_state = value; emit changed(); }
+		}
+
+
+		/*
+		 * Shadow x Offset Property
+		 */
+		Q_PROPERTY( double shadow_x READ shadow_x WRITE shadow_x );
+
+		double shadow_x( void ) { return m_shadow_x; }
+		void shadow_x( double value )
+		{
+			if ( m_shadow_x != value ) { m_shadow_x = value; emit changed(); }
+		}
+		
+
+		/*
+		 * Shadow y Offset Property
+		 */
+		Q_PROPERTY( double shadow_y READ shadow_y WRITE shadow_y );
+
+		double shadow_y( void ) { return m_shadow_y; }
+		void shadow_y( double value )
+		{
+			if ( m_shadow_y != value ) { m_shadow_y = value; emit changed(); }
+		}
+		
+
+		/*
+		 * Shadow opacity Property
+		 */
+		Q_PROPERTY( double shadow_opacity READ shadow_opacity WRITE shadow_opacity );
+
+		double shadow_opacity( void ) { return m_shadow_opacity; }
+		void shadow_opacity( double value )
+		{
+			if ( m_shadow_opacity != value ) { m_shadow_opacity = value; emit changed(); }
+		}
+		
+
+		/*
+		 * Shadow Color Property
+		 */
+		Q_PROPERTY( ColorNode shadow_color_node READ shadow_color_node WRITE shadow_color_node );
+
+		ColorNode shadow_color_node( void ) { return m_shadow_color_node; }
+		void shadow_color_node( const ColorNode &value )
+		{
+			if ( m_shadow_color_node != value ) { m_shadow_color_node = value; emit changed(); }
+		}
+		
+
+		///////////////////////////////////////////////////////////////
+		// Text Properties Virtual Interface
+		///////////////////////////////////////////////////////////////
+	public:
+		/*
+		 * Virtual Text Property: font_family
+		 */
+		Q_PROPERTY( QString font_family READ font_family WRITE font_family );
+
+		virtual QString font_family( void ) { return ""; }
+		virtual void font_family( const QString &value ) { }
+
+
+		/*
+		 * Virtual Text Property: font_size
+		 */
+		Q_PROPERTY( double font_size READ font_size WRITE font_size );
+
+		virtual double font_size( void ) { return 0; }
+		virtual void font_size( double value ) { }
+
+
+		/*
+		 * Virtual Text Property: font_weight
+		 */
+		Q_PROPERTY( QFont::Weight font_weight READ font_weight WRITE font_weight );
+
+		virtual QFont::Weight font_weight( void ) { return QFont::Normal; }
+		virtual void font_weight( QFont::Weight value ) { }
+
+
+		/*
+		 * Virtual Text Property: font_italic_flag
+		 */
+		Q_PROPERTY( bool font_italic_flag READ font_italic_flag WRITE font_italic_flag );
+
+		virtual bool font_italic_flag( void ) { return false; }
+		virtual void font_italic_flag( bool value ) { }
+
+
+		/*
+		 * Virtual Text Property: font_underline_flag
+		 */
+		Q_PROPERTY( bool font_underline_flag READ font_underline_flag WRITE font_underline_flag );
+
+		virtual bool font_underline_flag( void ) { return false; }
+		virtual void font_underline_flag( bool value ) { }
+
+
+		/*
+		 * Virtual Text Property: font_color_node
+		 */
+		Q_PROPERTY( ColorNode font_color_node READ font_color_node WRITE font_color_node );
+
+		virtual ColorNode font_color_node( void ) { return ColorNode( Color::none() ); }
+		virtual void font_color_node( const ColorNode &value ) { }
+		
+
+		/*
+		 * Virtual Text Property: text_halign
+		 */
+		Q_PROPERTY( Qt::Alignment text_halign READ text_halign WRITE text_halign );
+
+		virtual Qt::Alignment text_halign( void ) { return Qt::AlignLeft; }
+		virtual void text_halign( Qt::Alignment value ) { }
+
+
+		/*
+		 * Virtual Text Property: text_valign
+		 */
+		Q_PROPERTY( Qt::Alignment text_valign READ text_valign WRITE text_valign );
+
+		virtual Qt::Alignment text_valign( void ) { return Qt::AlignTop; }
+		virtual void text_valign( Qt::Alignment value ) { }
+
+
+		/*
+		 * Virtual Text Property: text_line_spacing
+		 */
+		Q_PROPERTY( double text_line_spacing READ text_line_spacing WRITE text_line_spacing );
+
+		virtual double text_line_spacing( void ) { return 0; }
+		virtual void text_line_spacing( double value ) { }
+
+
+		///////////////////////////////////////////////////////////////
+		// Image Properties Virtual Interface
+		///////////////////////////////////////////////////////////////
+	public:
+		/*
+		 * Virtual Image Property: filename_node
+		 */
+		Q_PROPERTY( TextNode filename_node READ filename_node WRITE filename_node );
+
+		virtual TextNode filename_node( void ) { return TextNode(); }
+		virtual void filename_node( const TextNode &value ) { }
+		
+
+		///////////////////////////////////////////////////////////////
+		// Shape Properties Virtual Interface
+		///////////////////////////////////////////////////////////////
+	public:
+		/*
+		 * Virtual Shape Property: line_width
+		 */
+		Q_PROPERTY( double line_width READ line_width WRITE line_width );
+
+		virtual double line_width( void ) { return 0; }
+		virtual void line_width( double value ) { }
+
+
+		/*
+		 * Virtual Shape Property: line_color_node
+		 */
+		Q_PROPERTY( ColorNode line_color_node READ line_color_node WRITE line_color_node );
+
+		virtual ColorNode line_color_node( void ) { return ColorNode( Color::none() ); }
+		virtual void line_color_node( const ColorNode &value ) { }
+		
+
+		/*
+		 * Virtual Shape Property: fill_color_node
+		 */
+		Q_PROPERTY( ColorNode fill_color_node READ fill_color_node WRITE fill_color_node );
+
+		virtual ColorNode fill_color_node( void ) { return ColorNode( Color::none() ); }
+		virtual void fill_color_node( const ColorNode &value ) { }
+		
+
+		///////////////////////////////////////////////////////////////
+		// Barcode Properties Virtual Interface
+		///////////////////////////////////////////////////////////////
+	public:
+		/*
+		 * Virtual Barcode Property: bc_data_node
+		 */
+		Q_PROPERTY( TextNode bc_data_node READ bc_data_node WRITE bc_data_node );
+
+		virtual TextNode bc_data_node( void ) { return TextNode(); }
+		virtual void bc_data_node( const TextNode &value ) { }
+		
+
+		/*
+		 * Virtual Barcode Property: bc_text_flag
+		 */
+		Q_PROPERTY( bool bc_text_flag READ bc_text_flag WRITE bc_text_flag );
+
+		virtual bool bc_text_flag( void ) { return false; }
+		virtual void bc_text_flag( bool value ) { }
+
+
+		/*
+		 * Virtual Barcode Property: bc_checksum_flag
+		 */
+		Q_PROPERTY( bool bc_checksum_flag READ bc_checksum_flag WRITE bc_checksum_flag );
+
+		virtual bool bc_checksum_flag( void ) { return false; }
+		virtual void bc_checksum_flag( bool value ) { }
+
+
+		/*
+		 * Virtual Barcode Property: bc_color_node
+		 */
+		Q_PROPERTY( ColorNode bc_color_node READ bc_color_node WRITE bc_color_node );
+
+		virtual ColorNode bc_color_node( void ) { return ColorNode( Color::none() ); }
+		virtual void bc_color_node( const ColorNode &value ) { }
+		
+
+		/*
+		 * Virtual Barcode Property: bc_style
+		 */
+		Q_PROPERTY( BarcodeStyle bc_style READ bc_style WRITE bc_style );
+
+		virtual BarcodeStyle bc_style( void ) { return BarcodeStyle(); }
+		virtual void bc_style( const BarcodeStyle &value ) { }
+		
+
+		/*
+		 * Virtual Barcode Property: bc_format_digits
+		 */
+		Q_PROPERTY( int bc_format_digits READ bc_format_digits WRITE bc_format_digits );
+
+		virtual int bc_format_digits( void ) { return false; }
+		virtual void bc_format_digits( int value ) { }
+
+
+		///////////////////////////////////////////////////////////////
+		// Capabilities (Overridden by concrete classes.)
+		///////////////////////////////////////////////////////////////
+	public:
+		virtual bool can_text()	{ return false;	}
+
+		virtual bool can_fill()	{ return false;	}
+
+		virtual bool can_line_color() {	return false; }
+
+		virtual bool can_line_width() {	return false; }
+
+
+		///////////////////////////////////////////////////////////////
+		// Position and Size methods
+		///////////////////////////////////////////////////////////////
+	public:
+		void set_position( double x0,
+				   double y0 );
+
+		void set_position_relative( double dx,
+					    double dy );
+
+		void set_size( double w,
+			       double h );
+
+		void set_size_honor_aspect( double w,
+					    double h );
+
+		void set_w_honor_aspect( double w );
+
+		void set_h_honor_aspect( double h );
+
+		LabelRegion get_extent();
+
+		void rotate( double theta_degs );
+
+		void flip_horiz();
+
+		void flip_vert();
+
+
+		///////////////////////////////////////////////////////////////
+		// Drawing Methods
+		///////////////////////////////////////////////////////////////
+	public:
+		void draw( QPainter &qp, bool in_editor, const MergeRecord &record );
+
+		void draw_selection_layer( QPainter &qp );
+
+	protected:
+		virtual void draw_object( QPainter &qp, bool in_editor, MergeRecord record ) = 0;
+
+		virtual void draw_shadow( QPainter &qp, bool in_editor, MergeRecord record ) = 0;
+
+
+		///////////////////////////////////////////////////////////////
+		// Text location Methods
+		///////////////////////////////////////////////////////////////
+	public:
+		bool is_located_at( QPainter &qp, double x_pixels, double y_pixels );
+
+		//Handle* handle_at(  QPainter &qp, double x_pixels, double y_pixels );
+
+	protected:
+		virtual bool is_object_located_at( QPainter &qp, double x, double y ) = 0;
+
+
+		///////////////////////////////////////////////////////////////
+		// Private Members
+		///////////////////////////////////////////////////////////////
+	private:
+		bool       m_selected_flag;
+
+		double     m_x0;
+		double     m_y0;
+		double     m_w;
+		double     m_h;
+
+		QTransform m_matrix;
+
+		bool       m_shadow_state;
+		double     m_shadow_x;
+		double     m_shadow_y;
+		double     m_shadow_opacity;
+		ColorNode  m_shadow_color_node;
+
+	};
+
+}
+
+#endif // qtlabels_LabelModelItem_h
+
+///////////////////////////////////////////////////////////////////////////////
+#if 0
+		protected List<Handle> handles;
+		protected Outline?     outline;
+
+		/**
+		 * Parent label
+		 */
+		public weak Label parent { get; set; }
+
+#endif