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149 lines
4.6 KiB
149 lines
4.6 KiB
/*
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* Copyright (c) 2005 Boudewijn Rempt <boud@valdyas.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _KIS_PART_LAYER_
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#define _KIS_PART_LAYER_
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#include <tqrect.h>
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#include <KoDocument.h>
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#include <KoDocumentChild.h>
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#include "kis_paint_layer.h"
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#include "kis_types.h"
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#include "kis_doc.h"
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#include "kis_part_layer_iface.h"
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#include "kis_view.h"
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#include "kis_layer_visitor.h"
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class KoFrame;
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class KoDocument;
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/**
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* The child document is responsible for saving and loading the embedded layers.
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*/
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class KisChildDoc : public KoDocumentChild
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{
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public:
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KisChildDoc ( KisDoc * kisDoc, const TQRect& rect, KoDocument * childDoc );
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KisChildDoc ( KisDoc * kisDdoc );
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virtual ~KisChildDoc();
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KisDoc * parent() const { return m_doc; }
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void setPartLayer (KisPartLayerSP layer) { m_partLayer = layer; }
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KisPartLayerSP partLayer() const { return m_partLayer; }
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protected:
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KisDoc * m_doc;
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KisPartLayerSP m_partLayer;
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};
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/**
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* A PartLayer is a layer that contains a KOffice Part like a KWord document
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* or a KSpread spreadsheet. Or whatever. A Karbon drawing.
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*
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* The part is rendered into an RBGA8 paint device so we can composite it with
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* the other layers.
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*
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* When it is activated (see activate()), it draws a rectangle around itself on the kisdoc,
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* whereas when it is deactivated (deactivate()), it removes that rectangle and commits
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* the child to the paint device.
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*
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* Embedded parts should get loaded and saved to the Native Chalk Fileformat natively.
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*/
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class KisPartLayerImpl : public KisPartLayer {
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Q_OBJECT
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typedef KisPartLayer super;
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public:
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KisPartLayerImpl(KisImageSP img, KisChildDoc * doc);
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virtual ~KisPartLayerImpl();
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virtual KisLayerSP clone() const;
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/// Called when the layer is made active
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virtual void activate() {}
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/// Called when another layer is made inactive
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virtual void deactivate() {}
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/// Returns the childDoc so that we can access the doc from other places, if need be (KisDoc)
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virtual KisChildDoc* childDoc() const { return m_doc; }
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void setDocType(const TQString& type) { m_docType = type; }
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TQString docType() const { return m_docType; }
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virtual void setX(TQ_INT32 x);
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virtual void setY(TQ_INT32 y);
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virtual TQ_INT32 x() const { return m_doc->geometry() . x(); }
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virtual TQ_INT32 y() const { return m_doc->geometry() . y(); } //m_paintLayer->y(); }
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virtual TQRect extent() const { return m_doc->geometry(); }
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virtual TQRect exactBounds() const { return m_doc->geometry(); }
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virtual TQImage createThumbnail(TQ_INT32 w, TQ_INT32 h);
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virtual bool accept(KisLayerVisitor& visitor) {
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return visitor.visit(this);
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}
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virtual KisPaintDeviceSP prepareProjection(KisPaintDeviceSP projection, const TQRect& r);
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virtual void paintSelection(TQImage &img, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h);
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virtual bool saveToXML(TQDomDocument doc, TQDomElement elem);
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private slots:
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/// Repaints our device with the data from the embedded part
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//void repaint();
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/// When we activate the embedding, we clear ourselves
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void childActivated(KoDocumentChild* child);
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void childDeactivated(bool activated);
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private:
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// KisPaintLayerSP m_paintLayer;
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KisPaintDeviceSP m_cache;
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KoFrame * m_frame; // The widget that holds the editable view of the embedded part
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KisChildDoc * m_doc; // The sub-document
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TQString m_docType;
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bool m_activated;
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};
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/**
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* Visitor that connects all partlayers in an image to a KisView's signals
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*/
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class KisConnectPartLayerVisitor : public KisLayerVisitor {
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KisImageSP m_img;
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KisView* m_view;
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bool m_connect; // connects, or disconnects signals
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public:
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KisConnectPartLayerVisitor(KisImageSP img, KisView* view, bool mode);
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virtual ~KisConnectPartLayerVisitor() {}
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virtual bool visit(KisPaintLayer *layer);
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virtual bool visit(KisGroupLayer *layer);
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virtual bool visit(KisPartLayer *layer);
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virtual bool visit(KisAdjustmentLayer *layer);
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};
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#endif // _KIS_PART_LAYER_
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