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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 <kcursor.h>
#include <tdepopupmenu.h>
#include <kxmlguifactory.h>
#include "ksvg_widget.moc"
#include "ksvg_plugin.h"
#include "SVGDocumentImpl.h"
#include "SVGSVGElementImpl.h"
KSVGWidget::KSVGWidget(KSVGPlugin *part, TQWidget *parent, const char *name)
: TQWidget(parent, name), m_part(part)
{
setMouseTracking(true);
setFocusPolicy(TQWidget::WheelFocus);
setBackgroundMode(NoBackground);
reset();
}
KSVGWidget::~KSVGWidget()
{
}
KSVGPlugin *KSVGWidget::part() const
{
return m_part;
}
void KSVGWidget::reset()
{
m_oldPanningPos.setX(0);
m_oldPanningPos.setY(0);
m_panningPos.setX(0);
m_panningPos.setY(0);
}
void KSVGWidget::paintEvent(TQPaintEvent *e)
{
emit redraw(e->rect());
}
KSVG::SVGMouseEventImpl *KSVGWidget::newMouseEvent(KSVG::SVGEvent::EventId id, TQMouseEvent *event)
{
DOM::AbstractView temp;
int clientX = event->x();
int clientY = event->y();
if(part()->docImpl() && part()->docImpl()->rootElement())
{
clientX = int(clientX / part()->docImpl()->rootElement()->currentScale());
clientY = int(clientY / part()->docImpl()->rootElement()->currentScale());
}
int button = 0;
if(event->stateAfter() & TQt::LeftButton)
button = 1;
else if(event->stateAfter() & TQt::MidButton)
button = 2;
else if(event->stateAfter() & TQt::RightButton)
button = 3;
KSVG::SVGMouseEventImpl *mev = new KSVG::SVGMouseEventImpl(id, // type
true, // canBubbleArg
true, // cancelableArg
temp, // view
0, // detail
event->globalX(), //screenXArg
event->globalY(), // screenYArg,
clientX, // clientXArg
clientY, // clientYArg
(event->state() & TQt::ControlButton), // ctrlKeyArg
(event->state() & TQt::AltButton), // altKeyArg
(event->state() & TQt::ShiftButton), // shiftKeyArg
(event->state() & TQt::MetaButton), // metaKeyArg
button, // buttonArg
0);
mev->ref();
return mev;
}
void KSVGWidget::mouseMoveEvent(TQMouseEvent *event)
{
if(event->state() & TQt::ControlButton && event->state() & TQt::LeftButton)
{
if(m_panningPos.isNull())
m_panningPos = event->pos();
else
part()->setPanPoint(m_oldPanningPos - (m_panningPos - event->pos()));
return;
}
else if(event->state() & TQt::ControlButton)
return;
KSVG::SVGMouseEventImpl *mev = newMouseEvent(KSVG::SVGEvent::MOUSEMOVE_EVENT, event);
if(part()->docImpl() && part()->docImpl()->rootElement())
part()->docImpl()->rootElement()->prepareMouseEvent(event->pos(), event->pos(), mev);
if(mev->target() && mev->url().string().isEmpty())
{
KSVG::SVGElementImpl *target = const_cast<KSVG::SVGElementImpl *>(mev->target());
KSVG::SVGStylableImpl *style = dynamic_cast<KSVG::SVGStylableImpl *>(target);
if(!style)
{
setCursor(KCursor::arrowCursor());
return;
}
switch(style->getCursor())
{
case KSVG::CURSOR_CROSSHAIR:
setCursor(KCursor::crossCursor());
break;
case KSVG::CURSOR_POINTER:
setCursor(KCursor::handCursor());
break;
case KSVG::CURSOR_MOVE:
setCursor(KCursor::sizeAllCursor());
break;
case KSVG::CURSOR_E_RESIZE:
case KSVG::CURSOR_W_RESIZE:
setCursor(KCursor::sizeHorCursor());
break;
case KSVG::CURSOR_N_RESIZE:
case KSVG::CURSOR_S_RESIZE:
setCursor(KCursor::sizeVerCursor());
break;
case KSVG::CURSOR_NW_RESIZE:
case KSVG::CURSOR_SE_RESIZE:
setCursor(KCursor::sizeFDiagCursor());
break;
case KSVG::CURSOR_NE_RESIZE:
case KSVG::CURSOR_SW_RESIZE:
setCursor(KCursor::sizeBDiagCursor());
break;
case KSVG::CURSOR_TEXT:
setCursor(KCursor::ibeamCursor());
break;
case KSVG::CURSOR_WAIT:
setCursor(KCursor::waitCursor());
break;
case KSVG::CURSOR_HELP:
setCursor(KCursor::whatsThisCursor());
break;
default:
setCursor(KCursor::arrowCursor());
}
}
else if(mev->url().string().isEmpty())
setCursor(KCursor::arrowCursor());
if(!mev->url().string().isEmpty())
setCursor(KCursor::handCursor());
mev->deref();
}
void KSVGWidget::mousePressEvent(TQMouseEvent *event)
{
if(event->state() & TQt::ControlButton)
return;
if(event->button() == TQt::RightButton)
{
if(part() && part()->factory())
{
TQPopupMenu *popup = static_cast<TQPopupMenu *>(part()->factory()->container("popupmenu", part()));
if(popup)
popup->popup(event->globalPos());
}
}
KSVG::SVGMouseEventImpl *mev = newMouseEvent(KSVG::SVGEvent::MOUSEDOWN_EVENT, event);
if(part()->docImpl() && part()->docImpl()->rootElement())
part()->docImpl()->rootElement()->prepareMouseEvent(event->pos(), event->pos(), mev);
mev->deref();
}
void KSVGWidget::mouseReleaseEvent(TQMouseEvent *event)
{
if(!m_panningPos.isNull())
{
m_oldPanningPos = m_oldPanningPos - (m_panningPos - event->pos());
m_panningPos.setX(0);
m_panningPos.setY(0);
}
if(event->state() & TQt::ControlButton)
return;
KSVG::SVGMouseEventImpl *mev = newMouseEvent(KSVG::SVGEvent::MOUSEUP_EVENT, event);
if(part()->docImpl() && part()->docImpl()->rootElement())
part()->docImpl()->rootElement()->prepareMouseEvent(event->pos(), event->pos(), mev);
if(!mev->url().string().isEmpty())
{
TQString url = mev->url().string();
if(url.startsWith("#"))
url.prepend(part()->docImpl()->baseUrl().prettyURL());
emit browseURL(url);
}
mev->deref();
}
void KSVGWidget::keyPressEvent(TQKeyEvent *ke)
{
if(ke->stateAfter() & TQt::ControlButton)
{
setCursor(KCursor::sizeAllCursor());
return;
}
if(part()->docImpl()->lastTarget())
part()->docImpl()->lastTarget()->dispatchKeyEvent(ke);
}
void KSVGWidget::keyReleaseEvent(TQKeyEvent *ke)
{
if(ke->state() & TQt::ControlButton)
{
setCursor(KCursor::arrowCursor());
return;
}
if(part()->docImpl()->lastTarget())
part()->docImpl()->lastTarget()->dispatchKeyEvent(ke);
}
void KSVGWidget::resizeEvent(TQResizeEvent *e)
{
if(part()->docImpl() && part()->docImpl()->rootElement())
part()->docImpl()->rootElement()->dispatchEvent(KSVG::SVGEvent::RESIZE_EVENT, true, false);
emit redraw(TQRect(0, 0, e->size().width(), e->size().height()));
}
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