diff options
Diffstat (limited to 'ksvg/plugin/ksvg_widget.cpp')
| -rw-r--r-- | ksvg/plugin/ksvg_widget.cpp | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/ksvg/plugin/ksvg_widget.cpp b/ksvg/plugin/ksvg_widget.cpp new file mode 100644 index 00000000..073e60a5 --- /dev/null +++ b/ksvg/plugin/ksvg_widget.cpp @@ -0,0 +1,267 @@ +/* + 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 <kpopupmenu.h> +#include <kxmlguifactory.h> +#include "ksvg_widget.moc" + +#include "ksvg_plugin.h" +#include "SVGDocumentImpl.h" +#include "SVGSVGElementImpl.h" + +KSVGWidget::KSVGWidget(KSVGPlugin *part, QWidget *parent, const char *name) +: QWidget(parent, name), m_part(part) +{ + setMouseTracking(true); + setFocusPolicy(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(QPaintEvent *e) +{ + emit redraw(e->rect()); +} + +KSVG::SVGMouseEventImpl *KSVGWidget::newMouseEvent(KSVG::SVGEvent::EventId id, QMouseEvent *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() & Qt::LeftButton) + button = 1; + else if(event->stateAfter() & Qt::MidButton) + button = 2; + else if(event->stateAfter() & Qt::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() & Qt::ControlButton), // ctrlKeyArg + (event->state() & Qt::AltButton), // altKeyArg + (event->state() & Qt::ShiftButton), // shiftKeyArg + (event->state() & Qt::MetaButton), // metaKeyArg + button, // buttonArg + 0); + + mev->ref(); + + return mev; +} + +void KSVGWidget::mouseMoveEvent(QMouseEvent *event) +{ + if(event->state() & QMouseEvent::ControlButton && event->state() & QMouseEvent::LeftButton) + { + if(m_panningPos.isNull()) + m_panningPos = event->pos(); + else + part()->setPanPoint(m_oldPanningPos - (m_panningPos - event->pos())); + + return; + } + else if(event->state() & QMouseEvent::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(QMouseEvent *event) +{ + if(event->state() & QMouseEvent::ControlButton) + return; + + if(event->button() == RightButton) + { + if(part() && part()->factory()) + { + QPopupMenu *popup = static_cast<QPopupMenu *>(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(QMouseEvent *event) +{ + if(!m_panningPos.isNull()) + { + m_oldPanningPos = m_oldPanningPos - (m_panningPos - event->pos()); + m_panningPos.setX(0); + m_panningPos.setY(0); + } + + if(event->state() & QMouseEvent::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()) + { + QString url = mev->url().string(); + if(url.startsWith("#")) + url.prepend(part()->docImpl()->baseUrl().prettyURL()); + emit browseURL(url); + } + + mev->deref(); +} + +void KSVGWidget::keyPressEvent(QKeyEvent *ke) +{ + if(ke->stateAfter() & QMouseEvent::ControlButton) + { + setCursor(KCursor::sizeAllCursor()); + return; + } + + if(part()->docImpl()->lastTarget()) + part()->docImpl()->lastTarget()->dispatchKeyEvent(ke); +} + +void KSVGWidget::keyReleaseEvent(QKeyEvent *ke) +{ + if(ke->state() & QMouseEvent::ControlButton) + { + setCursor(KCursor::arrowCursor()); + return; + } + + if(part()->docImpl()->lastTarget()) + part()->docImpl()->lastTarget()->dispatchKeyEvent(ke); +} + +void KSVGWidget::resizeEvent(QResizeEvent *e) +{ + if(part()->docImpl() && part()->docImpl()->rootElement()) + part()->docImpl()->rootElement()->dispatchEvent(KSVG::SVGEvent::RESIZE_EVENT, true, false); + + emit redraw(QRect(0, 0, e->size().width(), e->size().height())); +} + +// vim:ts=4:noet |