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, 82 insertions, 0 deletions

diff --git a/scribus/styles/stylecontext.h b/scribus/styles/stylecontext.h
new file mode 100644
index 0000000..a81b30f
--- /dev/null
+++ b/scribus/styles/stylecontext.h
@@ -0,0 +1,82 @@
+/*
+ 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.
+ */
+/***************************************************************************
+*                                                                         *
+*   This program 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 2 of the License, or     *
+*   (at your option) any later version.                                   *
+*                                                                         *
+***************************************************************************/
+
+
+#ifndef STYLECONTEXT_H
+#define STYLECONTEXT_H
+
+#include <cassert>
+#include <QString>
+#include <QList>
+#include "scribusapi.h"
+#include "observable.h"
+
+class Style;
+
+
+/**
+ Style inheritance works with names. A StyleContext finds the Style to a given name.
+ If there are changes to the Styles contained in a StyleContext, you have to call
+ invalidate() to increase the version info. Styles using this StyleContext will then
+ update their cached values the next time they are used.
+ */
+class SCRIBUS_API StyleContext : public Observable<StyleContext> {
+	
+public:
+	StyleContext() 
+	: m_version(0), m_cnt(0)
+	{
+//		qDebug() << QString("constr. %1 /%2").arg(reinterpret_cast<uint>(this),16).arg(m_level);
+	}
+
+	StyleContext(const StyleContext& o) 
+	: m_version(o.m_version), m_cnt(0)
+	{
+//		qDebug() << QString("constr. cp %1 /%2").arg(reinterpret_cast<uint>(this),16).arg(m_level);
+	}
+
+
+	StyleContext& operator= (const StyleContext& o)
+	{
+		m_version = o.m_version;
+		m_cnt = 0;
+		return *this;
+	}
+
+
+	int version() const  { return m_version; }
+	
+	virtual bool contextContained(const StyleContext* context) const { return context == this; }
+	virtual bool checkConsistency() const { return true; }
+	virtual const Style* resolve(const QString& name) const = 0;
+	virtual ~StyleContext() 
+	{
+//		qDebug(QString("destr. %1").arg(reinterpret_cast<uint>(this),16));
+	}
+
+	void invalidate(); 
+	
+	bool connect(QObject* receiver, const char *member ) const;
+	bool disconnect(QObject* receiver, const char *member=0 ) const;
+	
+	
+protected:
+	int m_version;
+	mutable int m_cnt;
+};
+
+Q_DECLARE_METATYPE(StyleContext*);
+
+#endif