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266 lines
6.9 KiB
266 lines
6.9 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <kcursor.h>
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#include <tdepopupmenu.h>
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#include <kxmlguifactory.h>
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#include "ksvg_widget.moc"
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#include "ksvg_plugin.h"
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#include "SVGDocumentImpl.h"
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#include "SVGSVGElementImpl.h"
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KSVGWidget::KSVGWidget(KSVGPlugin *part, TQWidget *parent, const char *name)
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: TQWidget(parent, name), m_part(part)
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{
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setMouseTracking(true);
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setFocusPolicy(TQWidget::WheelFocus);
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setBackgroundMode(NoBackground);
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reset();
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}
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KSVGWidget::~KSVGWidget()
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{
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}
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KSVGPlugin *KSVGWidget::part() const
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{
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return m_part;
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}
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void KSVGWidget::reset()
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{
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m_oldPanningPos.setX(0);
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m_oldPanningPos.setY(0);
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m_panningPos.setX(0);
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m_panningPos.setY(0);
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}
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void KSVGWidget::paintEvent(TQPaintEvent *e)
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{
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emit redraw(e->rect());
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}
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KSVG::SVGMouseEventImpl *KSVGWidget::newMouseEvent(KSVG::SVGEvent::EventId id, TQMouseEvent *event)
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{
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DOM::AbstractView temp;
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int clientX = event->x();
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int clientY = event->y();
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if(part()->docImpl() && part()->docImpl()->rootElement())
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{
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clientX = int(clientX / part()->docImpl()->rootElement()->currentScale());
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clientY = int(clientY / part()->docImpl()->rootElement()->currentScale());
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}
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int button = 0;
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if(event->stateAfter() & TQt::LeftButton)
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button = 1;
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else if(event->stateAfter() & TQt::MidButton)
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button = 2;
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else if(event->stateAfter() & TQt::RightButton)
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button = 3;
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KSVG::SVGMouseEventImpl *mev = new KSVG::SVGMouseEventImpl(id, // type
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true, // canBubbleArg
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true, // cancelableArg
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temp, // view
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0, // detail
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event->globalX(), //screenXArg
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event->globalY(), // screenYArg,
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clientX, // clientXArg
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clientY, // clientYArg
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(event->state() & TQt::ControlButton), // ctrlKeyArg
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(event->state() & TQt::AltButton), // altKeyArg
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(event->state() & TQt::ShiftButton), // shiftKeyArg
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(event->state() & TQt::MetaButton), // metaKeyArg
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button, // buttonArg
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0);
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mev->ref();
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return mev;
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}
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void KSVGWidget::mouseMoveEvent(TQMouseEvent *event)
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{
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if(event->state() & TQt::ControlButton && event->state() & TQt::LeftButton)
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{
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if(m_panningPos.isNull())
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m_panningPos = event->pos();
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else
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part()->setPanPoint(m_oldPanningPos - (m_panningPos - event->pos()));
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return;
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}
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else if(event->state() & TQt::ControlButton)
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return;
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KSVG::SVGMouseEventImpl *mev = newMouseEvent(KSVG::SVGEvent::MOUSEMOVE_EVENT, event);
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if(part()->docImpl() && part()->docImpl()->rootElement())
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part()->docImpl()->rootElement()->prepareMouseEvent(event->pos(), event->pos(), mev);
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if(mev->target() && mev->url().string().isEmpty())
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{
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KSVG::SVGElementImpl *target = const_cast<KSVG::SVGElementImpl *>(mev->target());
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KSVG::SVGStylableImpl *style = dynamic_cast<KSVG::SVGStylableImpl *>(target);
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if(!style)
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{
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setCursor(KCursor::arrowCursor());
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return;
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}
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switch(style->getCursor())
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{
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case KSVG::CURSOR_CROSSHAIR:
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setCursor(KCursor::crossCursor());
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break;
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case KSVG::CURSOR_POINTER:
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setCursor(KCursor::handCursor());
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break;
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case KSVG::CURSOR_MOVE:
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setCursor(KCursor::sizeAllCursor());
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break;
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case KSVG::CURSOR_E_RESIZE:
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case KSVG::CURSOR_W_RESIZE:
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setCursor(KCursor::sizeHorCursor());
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break;
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case KSVG::CURSOR_N_RESIZE:
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case KSVG::CURSOR_S_RESIZE:
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setCursor(KCursor::sizeVerCursor());
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break;
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case KSVG::CURSOR_NW_RESIZE:
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case KSVG::CURSOR_SE_RESIZE:
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setCursor(KCursor::sizeFDiagCursor());
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break;
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case KSVG::CURSOR_NE_RESIZE:
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case KSVG::CURSOR_SW_RESIZE:
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setCursor(KCursor::sizeBDiagCursor());
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break;
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case KSVG::CURSOR_TEXT:
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setCursor(KCursor::ibeamCursor());
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break;
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case KSVG::CURSOR_WAIT:
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setCursor(KCursor::waitCursor());
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break;
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case KSVG::CURSOR_HELP:
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setCursor(KCursor::whatsThisCursor());
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break;
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default:
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setCursor(KCursor::arrowCursor());
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}
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}
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else if(mev->url().string().isEmpty())
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setCursor(KCursor::arrowCursor());
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if(!mev->url().string().isEmpty())
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setCursor(KCursor::handCursor());
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mev->deref();
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}
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void KSVGWidget::mousePressEvent(TQMouseEvent *event)
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{
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if(event->state() & TQt::ControlButton)
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return;
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if(event->button() == TQt::RightButton)
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{
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if(part() && part()->factory())
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{
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TQPopupMenu *popup = static_cast<TQPopupMenu *>(part()->factory()->container("popupmenu", part()));
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if(popup)
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popup->popup(event->globalPos());
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}
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}
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KSVG::SVGMouseEventImpl *mev = newMouseEvent(KSVG::SVGEvent::MOUSEDOWN_EVENT, event);
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if(part()->docImpl() && part()->docImpl()->rootElement())
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part()->docImpl()->rootElement()->prepareMouseEvent(event->pos(), event->pos(), mev);
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mev->deref();
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}
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void KSVGWidget::mouseReleaseEvent(TQMouseEvent *event)
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{
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if(!m_panningPos.isNull())
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{
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m_oldPanningPos = m_oldPanningPos - (m_panningPos - event->pos());
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m_panningPos.setX(0);
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m_panningPos.setY(0);
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}
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if(event->state() & TQt::ControlButton)
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return;
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KSVG::SVGMouseEventImpl *mev = newMouseEvent(KSVG::SVGEvent::MOUSEUP_EVENT, event);
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if(part()->docImpl() && part()->docImpl()->rootElement())
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part()->docImpl()->rootElement()->prepareMouseEvent(event->pos(), event->pos(), mev);
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if(!mev->url().string().isEmpty())
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{
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TQString url = mev->url().string();
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if(url.startsWith("#"))
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url.prepend(part()->docImpl()->baseUrl().prettyURL());
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emit browseURL(url);
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}
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mev->deref();
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}
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void KSVGWidget::keyPressEvent(TQKeyEvent *ke)
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{
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if(ke->stateAfter() & TQt::ControlButton)
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{
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setCursor(KCursor::sizeAllCursor());
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return;
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}
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if(part()->docImpl()->lastTarget())
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part()->docImpl()->lastTarget()->dispatchKeyEvent(ke);
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}
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void KSVGWidget::keyReleaseEvent(TQKeyEvent *ke)
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{
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if(ke->state() & TQt::ControlButton)
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{
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setCursor(KCursor::arrowCursor());
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return;
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}
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if(part()->docImpl()->lastTarget())
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part()->docImpl()->lastTarget()->dispatchKeyEvent(ke);
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}
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void KSVGWidget::resizeEvent(TQResizeEvent *e)
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{
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if(part()->docImpl() && part()->docImpl()->rootElement())
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part()->docImpl()->rootElement()->dispatchEvent(KSVG::SVGEvent::RESIZE_EVENT, true, false);
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emit redraw(TQRect(0, 0, e->size().width(), e->size().height()));
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}
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