Paste text from clipboard.

glabels/LabelModel.cpp

@@ -28,7 +28,9 @@
 #include <QtDebug>
 
 #include "LabelModelObject.h"
+#include "LabelModelTextObject.h"
 #include "Region.h"
+#include "Size.h"
 #include "XmlLabelCreator.h"
 #include "XmlLabelParser.h"
 
@@ -1370,11 +1372,11 @@ namespace glabels
 		}
 		else if ( mimeData->hasImage() )
 		{
-			// TODO: return true
+			return true;
 		}
 		else if ( mimeData->hasText() )
 		{
-			// TODO: return true
+			return true;
 		}
 		return false;
 	}
@@ -1390,6 +1392,7 @@ namespace glabels
 
 		if ( mimeData->hasFormat( MIME_TYPE ) )
 		{
+			// Native objects
 			QByteArray buffer = mimeData->data( MIME_TYPE );
 			QList <LabelModelObject*> objects = XmlLabelParser::deserializeObjects( buffer );
 
@@ -1402,11 +1405,18 @@ namespace glabels
 		}
 		else if ( mimeData->hasImage() )
 		{
+			// Create object from clipboard image
 			// TODO: create an image object from image
 		}
 		else if ( mimeData->hasText() )
 		{
-			// TODO: create a text object from text
+			// Create object from clipboard text
+			LabelModelTextObject* object = new LabelModelTextObject();
+			object->setText( mimeData->text() );
+			object->setSize( object->naturalSize() );
+			object->setPosition( (w()-object->w())/2.0, (h()-object->h())/2.0 );
+			addObject( object );
+			selectObject( object );
 		}
 	}
 

glabels/LabelModelImageObject.cpp

@@ -120,9 +120,9 @@ namespace glabels
 
 
 	///
-	/// Image originalSize Property Getter (assumes 72 DPI, i.e. 1pixel == 1pt)
+	/// naturalSize Property Getter (assumes 72 DPI, i.e. 1pixel == 1pt)
 	///
-	Size LabelModelImageObject::originalSize() const
+	Size LabelModelImageObject::naturalSize() const
 	{
 		Size size( Distance::pt(72), Distance::pt(72) );
 

glabels/LabelModelImageObject.h

@@ -63,9 +63,9 @@ namespace glabels
 		virtual void setFilenameNode( const TextNode& value );
 
 		//
-		// Image Property: originalSize
+		// Property: naturalSize
 		//
-		virtual Size originalSize() const;
+		virtual Size naturalSize() const;
 	
 
 		///////////////////////////////////////////////////////////////

glabels/LabelModelObject.cpp

@@ -370,6 +370,16 @@ namespace glabels
 	}
 		
 
+	///
+	/// Virtual Natural Size Property Default Getter
+	/// (Overridden by concrete class)
+	///
+	Size LabelModelObject::naturalSize() const
+	{
+		return Size( Distance::pt(0), Distance::pt(0) );
+	}
+
+
 	///
 	/// Virtual Text Property Default Getter
 	/// (Overridden by concrete class)
@@ -590,16 +600,6 @@ namespace glabels
 	}
 		
 
-	///
-	/// Virtual Original Size Property Default Getter
-	/// (Overridden by concrete class)
-	///
-	Size LabelModelObject::originalSize() const
-	{
-		return Size( Distance::pt(0), Distance::pt(0) );
-	}
-
-
 	///
 	/// Virtual Line Width Property Default Getter
 	/// (Overridden by concrete class)

glabels/LabelModelObject.h

@@ -163,6 +163,12 @@ namespace glabels
 		void setShadowColorNode( const ColorNode& value );
 		
 
+		//
+		// Natural Size Property (read-only)
+		//
+		virtual Size naturalSize() const;
+
+
 		///////////////////////////////////////////////////////////////
 		// Text Properties Virtual Interface
 		///////////////////////////////////////////////////////////////
@@ -247,11 +253,6 @@ namespace glabels
 		virtual TextNode filenameNode() const;
 		virtual void setFilenameNode( const TextNode &value );
 
-		//
-		// Virtual Image Property: originalSize (read-only)
-		//
-		virtual Size originalSize() const;
-
 
 		///////////////////////////////////////////////////////////////
 		// Shape Properties Virtual Interface

glabels/LabelModelTextObject.cpp

@@ -28,6 +28,8 @@
 #include <QRegularExpression>
 #include <QtDebug>
 
+#include "Size.h"
+
 
 namespace glabels
 {
@@ -86,6 +88,8 @@ namespace glabels
 		mTextHAlign        = object->mTextHAlign;
 		mTextVAlign        = object->mTextVAlign;
 		mTextLineSpacing   = object->mTextLineSpacing;
+
+		update(); // Initialize cached editor layouts
 	}
 
 
@@ -343,6 +347,55 @@ namespace glabels
 	}
 
 
+	///
+	/// NaturalSize Property Getter
+	///
+	Size LabelModelTextObject::naturalSize() const
+	{
+		QFont font;
+		font.setFamily( mFontFamily );
+		font.setPointSizeF( mFontSize );
+		font.setWeight( mFontWeight );
+		font.setItalic( mFontItalicFlag );
+		font.setUnderline( mFontUnderlineFlag );
+
+		QTextOption textOption;
+		textOption.setAlignment( mTextHAlign );
+		textOption.setWrapMode( QTextOption::WordWrap );
+
+		QFontMetricsF fontMetrics( font );
+		double dy = fontMetrics.lineSpacing() * mTextLineSpacing;
+
+		QString displayText = mText.isEmpty() ? tr("Text") : mText;
+		QTextDocument document( displayText );
+
+		// Do layouts
+		double x = 0;
+		double y = 0;
+		QRectF boundingRect;
+		for ( int i = 0; i < document.blockCount(); i++ )
+		{
+			QTextLayout* layout = new QTextLayout( document.findBlockByNumber(i).text() );
+		
+			layout->setFont( font );
+			layout->setTextOption( textOption );
+			layout->setCacheEnabled(true);
+
+			layout->beginLayout();
+			for ( QTextLine l = layout->createLine(); l.isValid(); l = layout->createLine() )
+			{
+				l.setPosition( QPointF( x, y ) );
+				y += dy;
+			}
+			layout->endLayout();
+
+			boundingRect = layout->boundingRect().united( boundingRect );
+		}
+
+		return Size( boundingRect.width() + 2*marginPts, boundingRect.height() + 2*marginPts );
+	}
+
+
 	///
 	/// Can Text Capability Implementation
 	///

glabels/LabelModelTextObject.h

@@ -126,6 +126,12 @@ namespace glabels
 		virtual void setTextLineSpacing( double value );
 
 
+		//
+		// Property: naturalSize
+		//
+		virtual Size naturalSize() const;
+
+
 		///////////////////////////////////////////////////////////////
 		// Capability Implementations
 		///////////////////////////////////////////////////////////////

glabels/ObjectEditor.cpp

@@ -186,7 +186,7 @@ namespace glabels
 			sizeWSpin->setValue( mObject->w().inUnits(mUnits) );
 			sizeHSpin->setValue( mObject->h().inUnits(mUnits) );
 
-			Size originalSize = mObject->originalSize();
+			Size originalSize = mObject->naturalSize();
 			QString originalSizeString = QString( "%1:  %2 x %3 %4" )
 				.arg( tr("Original size") )
 				.arg( originalSize.w().inUnits(mUnits), 0, 'f', mSpinDigits )
@@ -662,7 +662,7 @@ namespace glabels
 
 	void ObjectEditor::onResetImageSize()
 	{
-		mObject->setSize( mObject->originalSize() );
+		mObject->setSize( mObject->naturalSize() );
 	}