Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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