text-object.h

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// -*- C++ -*-

/*
 * GChemPaint libray
 * text-object.h
 *
 * Copyright (C) 2002-2009 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * 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 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCHEMPAINT_TEXT_OBJECT_H
#define GCHEMPAINT_TEXT_OBJECT_H

#include <gcu/object.h>
#include <gcu/macros.h>
#include <gccv/structs.h>
#include <gccv/text-client.h>
#include <gccv/text-tag.h>
#include <pango/pango-layout.h>
#include <string>

namespace gccv {
        class Text;
}

namespace gcp {

class TextEditor;

class TextObject: public gcu::Object, public gccv::TextClient
{
public:
        TextObject (gcu::TypeId Type);
        TextObject (double x, double y, gcu::TypeId Type);
        virtual ~TextObject ();

        void GetSize (double& x, double& y) {x = m_length; y = m_height;}
        xmlNodePtr SaveSelected ();
        void LoadSelected (xmlNodePtr node);
        virtual bool OnChanged (bool save) = 0;
        bool SaveNode (xmlDocPtr xml, xmlNodePtr node) const;
        bool Load (xmlNodePtr node);
        void Move (double x, double y, double z = 0);
        bool IsLocked () {return m_bLoading;}
        void GetSelectionBounds (unsigned &start, unsigned &end) {start = m_StartSel; end = m_EndSel;}
        std::string GetBuffer () {return m_buf;}
        virtual std::string GetProperty (unsigned property) const;

        // virtual methods for the gccv:TextClient interface
        void SelectionChanged (unsigned start, unsigned end);
        void TextChanged (unsigned pos);

protected:
        double m_x;
        double m_y;
        double m_length;
        double m_height;
        int m_ascent;
        int m_InsertOffset;
        std::string m_buf;
        bool m_bLoading;
        unsigned m_StartSel;
        unsigned m_EndSel;
        bool m_RealSave;

//GCU_PROT_PROP (GtkAnchorType, Anchor)
GCU_PROT_PROP (gccv::TextTagList, TagList)


GCU_PROP (TextEditor*, Editor)

GCU_PROT_PROP (gccv::Text*, TextItem)
};

}       // namespace gcp

#endif  //GCHEMPAINT_TEXT_OBJECT_H