/**
* This file is part of the HTML widget for KDE.
*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* Copyright (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003 Apple Computer, Inc.
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include "render_replaced.h"
#include "render_canvas.h"
#include "render_arena.h"
#include
#include
#include
#include
#include
#include "khtml_ext.h"
#include "khtmlview.h"
#include "xml/dom2_eventsimpl.h"
#include "khtml_part.h"
#include "xml/dom_docimpl.h" // ### remove dependency
#include
using namespace khtml;
using namespace DOM;
RenderReplaced::RenderReplaced(DOM::NodeImpl* node)
: RenderBox(node)
{
// init RenderObject attributes
setReplaced(true);
m_intrinsicWidth = 200;
m_intrinsicHeight = 150;
}
void RenderReplaced::paint(QPainter *p, int _x, int _y, int _w, int _h,
int _tx, int _ty, PaintAction paintAction)
{
if (paintAction != PaintActionForeground)
return;
// if we're invisible or haven't received a layout yet, then just bail.
if (style()->visibility() != VISIBLE || m_y <= -500000) return;
_tx += m_x;
_ty += m_y;
// Early exit if the element touches the edges.
if((_tx >= _x + _w) || (_tx + m_width <= _x))
return;
if((_tx >= _x + _w) || (_tx + m_width <= _x))
return;
if(shouldPaintBackgroundOrBorder())
paintBoxDecorations(p, _x, _y, _w, _h, _tx, _ty);
paintObject(p, _x, _y, _w, _h, _tx, _ty, paintAction);
}
void RenderReplaced::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown());
#ifdef DEBUG_LAYOUT
kdDebug( 6040 ) << "RenderReplaced::calcMinMaxWidth() known=" << minMaxKnown() << endl;
#endif
int width = calcReplacedWidth() + paddingLeft() + paddingRight() + borderLeft() + borderRight();
if ( style()->width().isPercent() || style()->height().isPercent() ) {
m_minWidth = 0;
m_maxWidth = width;
}
else
m_minWidth = m_maxWidth = width;
setMinMaxKnown();
}
short RenderReplaced::lineHeight( bool, bool ) const
{
return height()+marginTop()+marginBottom();
}
short RenderReplaced::baselinePosition( bool, bool ) const
{
return height()+marginTop()+marginBottom();
}
bool RenderReplaced::canHaveChildren() const
{
// We should not really be a RenderContainer subclass.
return false;
}
// -----------------------------------------------------------------------------
RenderWidget::RenderWidget(DOM::NodeImpl* node)
: RenderReplaced(node),
m_deleteWidget(false)
{
m_widget = 0;
// a replaced element doesn't support being anonymous
assert(node);
m_view = node->getDocument()->view();
// this is no real reference counting, its just there
// to make sure that we're not deleted while we're recursed
// in an eventFilter of the widget
ref();
}
void RenderWidget::detach(RenderArena* renderArena)
{
remove();
if ( m_widget ) {
if ( m_view )
m_view->removeChild( m_widget );
m_widget->removeEventFilter( this );
m_widget->setMouseTracking( false );
}
m_node = 0;
deref(renderArena);
}
RenderWidget::~RenderWidget()
{
KHTMLAssert( refCount() <= 0 );
if (m_deleteWidget) {
delete m_widget;
}
}
void RenderWidget::resizeWidget( QWidget *widget, int w, int h )
{
#if !APPLE_CHANGES
// ugly hack to limit the maximum size of the widget (as X11 has problems if it's bigger)
h = QMIN( h, 3072 );
w = QMIN( w, 2000 );
#endif
if (element() && (widget->width() != w || widget->height() != h)) {
RenderArena *arena = ref();
element()->ref();
widget->resize( w, h );
element()->deref();
deref(arena);
}
}
void RenderWidget::setQWidget(QWidget *widget, bool deleteWidget)
{
if (widget != m_widget)
{
if (m_widget) {
m_widget->removeEventFilter(this);
disconnect( m_widget, SIGNAL( destroyed()), this, SLOT( slotWidgetDestructed()));
if (m_deleteWidget) {
delete m_widget;
}
m_widget = 0;
}
m_widget = widget;
if (m_widget) {
connect( m_widget, SIGNAL( destroyed()), this, SLOT( slotWidgetDestructed()));
m_widget->installEventFilter(this);
// if we've already received a layout, apply the calculated space to the
// widget immediately
if (!needsLayout()) {
resizeWidget( m_widget,
m_width-borderLeft()-borderRight()-paddingLeft()-paddingRight(),
m_height-borderLeft()-borderRight()-paddingLeft()-paddingRight() );
}
else
setPos(xPos(), -500000);
}
m_view->addChild( m_widget, -500000, 0 );
}
m_deleteWidget = deleteWidget;
}
void RenderWidget::layout( )
{
KHTMLAssert( needsLayout() );
KHTMLAssert( minMaxKnown() );
if ( m_widget ) {
resizeWidget( m_widget,
m_width-borderLeft()-borderRight()-paddingLeft()-paddingRight(),
m_height-borderLeft()-borderRight()-paddingLeft()-paddingRight() );
}
setNeedsLayout(false);
}
#if APPLE_CHANGES
void RenderWidget::sendConsumedMouseUp(const QPoint &mousePos, int button, int state)
{
RenderArena *arena = ref();
QMouseEvent e( QEvent::MouseButtonRelease, mousePos, button, state);
element()->dispatchMouseEvent(&e, EventImpl::MOUSEUP_EVENT, 0);
deref(arena);
}
#endif
void RenderWidget::slotWidgetDestructed()
{
m_widget = 0;
}
void RenderWidget::setStyle(RenderStyle *_style)
{
RenderReplaced::setStyle(_style);
if(m_widget)
{
m_widget->setFont(style()->font());
if (style()->visibility() != VISIBLE) {
m_widget->hide();
}
}
}
void RenderWidget::paintObject(QPainter *p, int x, int y, int width, int height, int _tx, int _ty,
PaintAction paintAction)
{
if (!m_widget || !m_view || paintAction != PaintActionForeground)
return;
if (style()->visibility() != VISIBLE) {
m_widget->hide();
return;
}
int xPos = _tx+borderLeft()+paddingLeft();
int yPos = _ty+borderTop()+paddingTop();
#if !APPLE_CHANGES
int childw = m_widget->width();
int childh = m_widget->height();
if ( (childw == 2000 || childh == 3072) && m_widget->inherits( "KHTMLView" ) ) {
KHTMLView *vw = static_cast(m_widget);
int cy = m_view->contentsY();
int ch = m_view->visibleHeight();
int childx = m_view->childX( m_widget );
int childy = m_view->childY( m_widget );
int xNew = xPos;
int yNew = childy;
// qDebug("cy=%d, ch=%d, childy=%d, childh=%d", cy, ch, childy, childh );
if ( childh == 3072 ) {
if ( cy + ch > childy + childh ) {
yNew = cy + ( ch - childh )/2;
} else if ( cy < childy ) {
yNew = cy + ( ch - childh )/2;
}
// qDebug("calculated yNew=%d", yNew);
}
yNew = QMIN( yNew, yPos + m_height - childh );
yNew = QMAX( yNew, yPos );
if ( yNew != childy || xNew != childx ) {
if ( vw->contentsHeight() < yNew - yPos + childh )
vw->resizeContents( vw->contentsWidth(), yNew - yPos + childh );
vw->setContentsPos( xNew - xPos, yNew - yPos );
}
xPos = xNew;
yPos = yNew;
}
#endif
m_view->addChild(m_widget, xPos, yPos );
m_widget->show();
#if APPLE_CHANGES
// Tell the widget to paint now. This is the only time the widget is allowed
// to paint itself. That way it will composite properly with z-indexed layers.
m_widget->paint(p, QRect(x, y, width, height));
#endif
}
void RenderWidget::handleFocusOut()
{
}
bool RenderWidget::eventFilter(QObject* /*o*/, QEvent* e)
{
if ( !element() ) return true;
RenderArena *arena = ref();
DOM::NodeImpl *elem = element();
elem->ref();
bool filtered = false;
//kdDebug() << "RenderWidget::eventFilter type=" << e->type() << endl;
switch(e->type()) {
case QEvent::FocusOut:
//static const char* const r[] = {"Mouse", "Tab", "Backtab", "ActiveWindow", "Popup", "Shortcut", "Other" };
//kdDebug() << "RenderFormElement::eventFilter FocusOut widget=" << m_widget << " reason:" << r[QFocusEvent::reason()] << endl;
// Don't count popup as a valid reason for losing the focus
// (example: opening the options of a select combobox shouldn't emit onblur)
if ( QFocusEvent::reason() != QFocusEvent::Popup )
{
//kdDebug(6000) << "RenderWidget::eventFilter captures FocusOut" << endl;
elem->dispatchHTMLEvent(EventImpl::BLUR_EVENT,false,false);
// if ( elem->isEditable() ) {
// KHTMLPartBrowserExtension *ext = static_cast( elem->view->part()->browserExtension() );
// if ( ext ) ext->editableWidgetBlurred( m_widget );
// }
handleFocusOut();
}
break;
case QEvent::FocusIn:
//kdDebug(6000) << "RenderWidget::eventFilter captures FocusIn" << endl;
elem->getDocument()->setFocusNode(elem);
// if ( isEditable() ) {
// KHTMLPartBrowserExtension *ext = static_cast( elem->view->part()->browserExtension() );
// if ( ext ) ext->editableWidgetFocused( m_widget );
// }
break;
case QEvent::MouseButtonPress:
// handleMousePressed(static_cast(e));
break;
case QEvent::MouseButtonRelease:
// {
// int absX, absY;
// absolutePosition(absX,absY);
// QMouseEvent* _e = static_cast(e);
// m_button = _e->button();
// m_state = _e->state();
// QMouseEvent e2(e->type(),QPoint(absX,absY)+_e->pos(),_e->button(),_e->state());
// elem->dispatchMouseEvent(&e2,EventImpl::MOUSEUP_EVENT,m_clickCount);
// if((m_mousePos - e2.pos()).manhattanLength() <= QApplication::startDragDistance()) {
// // DOM2 Events section 1.6.2 says that a click is if the mouse was pressed
// // and released in the "same screen location"
// // As people usually can't click on the same pixel, we're a bit tolerant here
// elem->dispatchMouseEvent(&e2,EventImpl::CLICK_EVENT,m_clickCount);
// }
// if(!isRenderButton()) {
// // ### DOMActivate is also dispatched for thigs like selects & textareas -
// // not sure if this is correct
// elem->dispatchUIEvent(EventImpl::DOMACTIVATE_EVENT,m_isDoubleClick ? 2 : 1);
// elem->dispatchMouseEvent(&e2, m_isDoubleClick ? EventImpl::KHTML_DBLCLICK_EVENT : EventImpl::KHTML_CLICK_EVENT, m_clickCount);
// m_isDoubleClick = false;
// }
// else
// // save position for slotClicked - see below -
// m_mousePos = e2.pos();
// }
break;
case QEvent::MouseButtonDblClick:
// {
// m_isDoubleClick = true;
// handleMousePressed(static_cast(e));
// }
break;
case QEvent::MouseMove:
// {
// int absX, absY;
// absolutePosition(absX,absY);
// QMouseEvent* _e = static_cast(e);
// QMouseEvent e2(e->type(),QPoint(absX,absY)+_e->pos(),_e->button(),_e->state());
// elem->dispatchMouseEvent(&e2);
// // ### change cursor like in KHTMLView?
// }
break;
case QEvent::KeyPress:
case QEvent::KeyRelease:
{
if (!elem->dispatchKeyEvent(static_cast(e)))
filtered = true;
break;
}
default: break;
};
elem->deref();
// stop processing if the widget gets deleted, but continue in all other cases
if (hasOneRef())
filtered = true;
deref(arena);
return filtered;
}
void RenderWidget::deref(RenderArena *arena)
{
if (_ref) _ref--;
if (!_ref)
arenaDelete(arena);
}
#include "render_replaced.moc"