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tdegraphics/ksvg/impl/SVGTextElementImpl.cpp

123 lines
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/*
Copyright (C) 2001-2003 KSVG Team
This file is part of the KDE project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <Glyph.h>
#include "SVGRectImpl.h"
#include "SVGEventImpl.h"
#include "SVGDocumentImpl.h"
#include "SVGSVGElementImpl.h"
#include "SVGTextElementImpl.h"
#include "CanvasItem.h"
#include "KSVGCanvas.h"
using namespace KSVG;
SVGTextElementImpl::SVGTextElementImpl(DOM::ElementImpl *impl) : SVGTextPositioningElementImpl(impl), SVGTransformableImpl()
{
m_bboxX = 0;
m_bboxY = 0;
m_bboxWidth = 0;
m_bboxHeight = 0;
}
SVGTextElementImpl::~SVGTextElementImpl()
{
}
long SVGTextElementImpl::getNumberOfChars()
{
return text().length();
}
TQString SVGTextElementImpl::text()
{
// Otherwhise some js scripts which require a child, don't work (Niko)
if(!hasChildNodes())
{
DOM::Text impl = static_cast<DOM::Document *>(ownerDoc())->createTextNode(DOM::DOMString(""));
appendChild(impl);
}
return textDirectionAwareText();
}
SVGRectImpl *SVGTextElementImpl::getBBox()
{
SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect();
ret->setX(m_bboxX);
ret->setY(m_bboxY);
ret->setWidth(m_bboxWidth);
ret->setHeight(m_bboxHeight);
return ret;
}
void SVGTextElementImpl::createItem(KSVGCanvas *c )
{
if(!c)
c = ownerDoc()->canvas();
if(!m_item)
{
m_item = c->createText(this);
// Set up bbox before insert(), as that may render the item
TQRect rect = m_item->bbox();
m_bboxX = rect.x();
m_bboxY = rect.y();
m_bboxWidth = rect.width();
m_bboxHeight = rect.height();
c->insert(m_item);
}
}
bool SVGTextElementImpl::prepareMouseEvent(const TQPoint &p, const TQPoint &, SVGMouseEventImpl *mev)
{
// TODO : pointer-events should be stored here, not in SVGStylableImpl.
SVGStylableImpl *style = dynamic_cast<SVGStylableImpl *>(this);
if(!style || style->getPointerEvents() == PE_NONE)
return false;
bool test = false;
switch(style->getPointerEvents())
{
case PE_VISIBLE: test = style->getVisible(); break;
case PE_VISIBLE_PAINTED: test = style->getVisible() && (style->isStroked() || style->isFilled()) ; break;
case PE_VISIBLE_FILL: test = style->getVisible() && style->isFilled(); break;
case PE_VISIBLE_STROKE: test = style->getVisible() && style->isStroked(); break;
case PE_PAINTED: test = style->isStroked() || style->isFilled(); break;
case PE_FILL: test = style->isFilled(); break;
case PE_STROKE: test = style->isStroked(); break;
case PE_ALL:
default: test = true;
};
if(test)
{
if(m_item->bbox().contains(p))
{
mev->setTarget(dynamic_cast<SVGElementImpl *>(this));
return true;
}
}
return false;
}