Branch 1.3.5 tree to 1.4.x tree, goodbye 1.3.x

git-svn-id: svn://scribus.net/branches/Version14x/Scribus@17163 11d20701-8431-0410-a711-e3c959e3b870

1 files changed, 161 insertions, 0 deletions

diff --git a/scribus/text/sctext_shared.cpp b/scribus/text/sctext_shared.cpp
new file mode 100644
index 0000000..15394c1
--- /dev/null
+++ b/scribus/text/sctext_shared.cpp
@@ -0,0 +1,161 @@
+/*
+For general Scribus (>=1.3.2) copyright and licensing information please refer
+to the COPYING file provided with the program. Following this notice may exist
+a copyright and/or license notice that predates the release of Scribus 1.3.2
+for which a new license (GPL+exception) is in place.
+*/
+
+#include <cassert>  //added to make Fedora-5 happy
+
+//#include <QDebug>
+
+#include "fpoint.h"
+#include "scfonts.h"
+#include "scribus.h"
+#include "scribusdoc.h"
+#include "sctext_shared.h"
+#include "util.h"
+
+ScText_Shared::ScText_Shared(const StyleContext* pstyles) : QList<ScText*>(), 
+	defaultStyle(), 
+	pstyleContext(NULL),
+	refs(1), len(0), cursorPosition(0), trailingStyle()
+{
+	pstyleContext.setDefaultStyle( & defaultStyle );
+	defaultStyle.setContext( pstyles );
+	trailingStyle.setContext( &pstyleContext );
+//		defaultStyle.charStyle().setContext( cstyles );
+//		qDebug() << QString("ScText_Shared() %1 %2 %3 %4").arg(reinterpret_cast<uint>(this)).arg(reinterpret_cast<uint>(&defaultStyle)).arg(reinterpret_cast<uint>(pstyles)).arg(reinterpret_cast<uint>(cstyles));
+}
+		
+
+ScText_Shared::ScText_Shared(const ScText_Shared& other) : QList<ScText*>(), 
+	defaultStyle(other.defaultStyle), 
+	pstyleContext(other.pstyleContext),
+	refs(1), len(0), cursorPosition(other.cursorPosition),
+	trailingStyle(other.trailingStyle)
+{
+	pstyleContext.setDefaultStyle( &defaultStyle );
+	trailingStyle.setContext( &pstyleContext );
+	QListIterator<ScText*> it( other );
+	ScText* elem;
+	while ( it.hasNext() ) {
+		elem = it.next();
+		ScText* elem2 = new ScText(*elem);
+		append(elem2);
+		if (elem2->parstyle) {
+			elem2->parstyle->setContext( & pstyleContext);
+//				elem2->parstyle->charStyle().setContext( defaultStyle.charStyleContext() );
+			replaceCharStyleContextInParagraph(count()-1, elem2->parstyle->charStyleContext());
+		}
+	}
+	len = count();
+	replaceCharStyleContextInParagraph(len,  trailingStyle.charStyleContext() );
+//		qDebug() << QString("ScText_Shared(%2) %1").arg(reinterpret_cast<uint>(this)).arg(reinterpret_cast<uint>(&other));
+}
+
+void ScText_Shared::clear()
+{
+	while(!this->isEmpty())
+		delete this->takeFirst(); 
+	QList<ScText*>::clear();
+	cursorPosition = 0;
+}
+
+ScText_Shared& ScText_Shared::operator= (const ScText_Shared& other) 
+{
+	if (this != &other) 
+	{
+		defaultStyle   = other.defaultStyle;
+		trailingStyle  = other.trailingStyle;
+		pstyleContext  = other.pstyleContext;
+		pstyleContext.setDefaultStyle( &defaultStyle );
+		defaultStyle.setContext( other.defaultStyle.context() );
+		trailingStyle.setContext( &pstyleContext );
+		clear();
+		QListIterator<ScText*> it( other );
+		ScText* elem;
+		while ( it.hasNext() ) {
+			elem = it.next();
+			ScText* elem2 = new ScText(*elem);
+			append(elem2);
+			if (elem2->parstyle) {
+				elem2->parstyle->setContext( & pstyleContext );
+//					qDebug() << QString("StoryText::copy: * %1 align=%2").arg(elem2->parstyle->parent())
+//						   .arg(elem2->parstyle->alignment())
+//						   .arg((uint)elem2->parstyle->context()));
+					//				elem2->parstyle->charStyle().setContext( defaultStyle.charStyleContext());
+				replaceCharStyleContextInParagraph(count()-1, elem2->parstyle->charStyleContext());
+			}
+		}
+		len = count();
+		cursorPosition = other.cursorPosition;
+		pstyleContext.invalidate();
+//			qDebug() << QString("StoryText::copy: %1 align=%2 %3").arg(trailingStyle.parentStyle()->name())
+//				   .arg(trailingStyle.alignment()).arg((uint)trailingStyle.context());
+		replaceCharStyleContextInParagraph(len,  trailingStyle.charStyleContext());
+	}
+//			qDebug() << QString("ScText_Shared: %1 = %2").arg(reinterpret_cast<uint>(this)).arg(reinterpret_cast<uint>(&other));
+	return *this;
+}
+
+ScText_Shared::~ScText_Shared() 
+{
+//		qDebug() << QString("~ScText_Shared() %1").arg(reinterpret_cast<uint>(this));
+	while(!this->isEmpty())
+		delete this->takeFirst(); 
+}
+
+/**
+	A char's stylecontext is the containing paragraph's style, 
+	This routines makes sure that all charstyles look for defaults
+	in the parstyle first.
+	*/
+void ScText_Shared::replaceCharStyleContextInParagraph(int pos, const StyleContext* newContext)
+{
+	assert (pos >= 0);
+	assert (pos <= size());
+	
+	if (pos < size())
+		value(pos)->setContext(newContext);
+	for (int i=pos-1; i >=0 ; --i ) 
+	{
+		if ( (at(i)->ch) == SpecialChars::PARSEP)
+			break;
+		value(i)->setContext(newContext);
+	}
+#ifndef NDEBUG // skip assertions if we aren't debugging
+	// we are done here but will do a sanity check:
+	// assert that all chars point to the following parstyle
+	QListIterator<ScText*> it( *this );
+	const StyleContext* lastContext = NULL;
+	while ( it.hasNext() ) {
+		ScText* elem = it.next();
+		assert( elem );
+		if ( elem->ch.isNull() ) 
+		{
+			// nothing, see code in removeParSep
+		}
+		else if (elem->ch == SpecialChars::PARSEP)
+		{
+			assert( elem->parstyle );
+			if ( lastContext )
+			{
+				assert( lastContext == elem->parstyle->charStyleContext() );
+			}
+			lastContext = NULL;
+		}
+		else if (lastContext == NULL)
+		{
+			lastContext = elem->context();
+		}
+		else 
+		{
+			assert( lastContext == elem->context() );
+		}
+	}
+	if ( lastContext )
+		assert( lastContext == trailingStyle.charStyleContext() );
+#endif
+}
+