68721 2003-11-21 10:09:21 +0000 [test case] a fixed (with css) text/html <object> "jumps" when scrolling 2007-02-05 15:18:49 +0000 1 1 2 Applications konqueror khtml renderer unspecified openSUSE Linux RESOLVED FIXED NOR normal --- 1 panther konqueror-bugs-null zyzstar 40 oldest_to_newest 178754 0 panther 2003-11-21 10:09:21 +0000 Version: (using KDE KDE 3.1.1) Installed from: SuSE RPMs OS: Linux I have a css section marked in the following way: ---------------------- #rmenu { position: absolute; right: 0px; top: 230px; bottom: 0px; width: 80px; text-align: center; color: #CCEA06; } body> #rmenu { position: fixed; top: auto; } ---------------------- So you can see, the position of <div id="rmenu"> is fixed. If I want to put a an html <object> in that <div> (such as rmenu.html), it is also fixed. However, when the <object> is there and you scroll down the page, the object kind of hops. It stays fixed, but it jiggles up and down, as opposed to if I put the information that's in rmenu.html inside the main document (when it doesn't hop, jiggle or jump) instead of using the <object> tag. I will create an example if asked. 179458 1 pablo.pita 2003-11-23 13:27:53 +0000 It would be good to have an example of the bug to reproduce or to see it it is fixed in the new versions. 179715 2 panther 2003-11-24 05:48:11 +0000 I just downloaded and installed the SuSE builds of KDE 3.1.4. Konqueror acts the same. I have slapped together a quick example and put it up here: http://www.mylinuxisp.com/~panther/konqueror.html All of the css attributes are in the main document. I have four fixed elements - two are contained in the main document (one with image, one without) and two are inline object frames from smaller html files. Scroll through the page and see how the object frames jump because of their fixed position while the other two do not. A funny thing I just noticed is that if you scroll the page with the mouse wheel, arrow keys, scrollbar buttons or the scrollbar itself, the object frames jump while the paragraphs within the main document stay still. However, if you scroll using PageUp/PageDown, the object frames remain still while the paragraphs within the main document jump. Try it. 179740 3 coolo 2003-11-24 09:29:39 +0000 Can you perhaps reduce it a bit more and attach it here? KDE 3.2 will behave the same :) 179896 4 3378 panther 2003-11-24 15:45:50 +0000 Created attachment 3378 example of jumping elements This is the first time I'm attaching here... I hope I'm not screwing this up. :) 179897 5 3379 panther 2003-11-24 15:47:43 +0000 Created attachment 3379 small html file loaded into main document via <object> 179898 6 3380 panther 2003-11-24 15:48:21 +0000 Created attachment 3380 small html file loaded into main document via <object> 179900 7 3381 panther 2003-11-24 15:55:45 +0000 Created attachment 3381 example of jumping elements Okay, I messed up before but I *think* I have a better grasp on it now. :) 180067 8 pablo.pita 2003-11-24 23:15:21 +0000 Well, I can confirm this with KDE CVS 3.1.93. When scrolling, the <object>s rendering is very unstable; they certainly jump a lot, and sometimes, even vanish. With Mozilla Firebird, the objects remain in their fixed position, and they are rendered in subwindows that also get scrollbars. Just in case this could be a duplicate, this bug is also related to <object> rendering : http://bugs.kde.org/show_bug.cgi?id=61286. 269031 9 dizzinger 2004-09-15 23:31:18 +0000 i am experiencing the same problem. position fixed and either a <object> or an <iframe> result in the described manner. i am using kde 3.3 so this is still valid :( 273609 10 ashaduri 2004-10-02 20:11:24 +0000 Same here with KDE 3.3. I put up an example page at http://members.lycos.co.uk/alexv6/test.html . the iframe element there jumps a lot. That would be torelable if it didn't vanish sometimes. 392244 11 dizzinger 2005-11-22 17:37:04 +0000 updating, still valid in kde 3.4.3 433173 12 thiago 2006-04-22 16:07:15 +0000 *** Bug 125910 has been marked as a duplicate of this bug. *** 506797 13 germain 2007-02-05 15:18:43 +0000 SVN commit 630479 by ggarand: A simple "page scaling" zoom à la Opera. For now, it replaces the font scaling action, as the method names used for it in KHTML part are better suited to a real zoom (e.g. setZoomFactor). Need to reintroduce pure font-scaling under another name.. Also introduce an alternate, non-blitting painting mode for being able to do fixed positioning again. QScrollArea's quite a bit on the terse side, so there was no such thing ;( Should fix widget jittering issues as a bonus. BUG: 42029, 68721 M +2 -2 css/cssstyleselector.cpp M +9 -4 khtml_part.cpp M +111 -18 khtmlview.cpp M +20 -1 khtmlview.h M +15 -8 rendering/render_canvas.cpp M +1 -1 rendering/render_replaced.cpp M +2 -0 xml/dom_nodeimpl.cpp --- trunk/KDE/kdelibs/khtml/css/cssstyleselector.cpp #630478:630479 @@ -749,7 +749,7 @@ // FIXME: We only need to invalidate the fixed regions when scrolling. It's total overkill to // prevent the entire view from blitting on a scroll. if (style->hasFixedBackgroundImage() && view) - view->useSlowRepaints(); + view->setHasStaticBackground(); } unsigned int CSSStyleSelector::addInlineDeclarations(DOM::ElementImpl* e, @@ -2414,7 +2414,7 @@ p = ABSOLUTE; break; case CSS_VAL_FIXED: { - view->useSlowRepaints(); + view->setHasStaticBackground(); p = FIXED; break; } --- trunk/KDE/kdelibs/khtml/khtml_part.cpp #630478:630479 @@ -5754,11 +5754,16 @@ if (d->m_zoomFactor == percent) return; d->m_zoomFactor = percent; - if(d->m_doc) { + if(d->m_view) { QApplication::setOverrideCursor( Qt::WaitCursor ); - if (d->m_doc->styleSelector()) - d->m_doc->styleSelector()->computeFontSizes(d->m_doc->paintDeviceMetrics(), d->m_zoomFactor); - d->m_doc->recalcStyle( NodeImpl::Force ); + +// ### make the increasing/decreasing of font size a separate setting +// +// if (d->m_doc->styleSelector()) +// d->m_doc->styleSelector()->computeFontSizes(d->m_doc->paintDeviceMetrics(), d->m_zoomFactor); +// d->m_doc->recalcStyle( NodeImpl::Force ); + + d->m_view->setZoomLevel( d->m_zoomFactor ); QApplication::restoreOverrideCursor(); } --- trunk/KDE/kdelibs/khtml/khtmlview.cpp #630478:630479 @@ -186,10 +186,11 @@ oldUnderMouse->deref(); oldUnderMouse = 0; linkPressed = false; - useSlowRepaints = false; + staticWidget = false; tabMovePending = false; lastTabbingDirection = true; pseudoFocusNode = PFNone; + zoomLevel = 100; #ifndef KHTML_NO_SCROLLBARS //We don't turn off the toolbars here //since if the user turns them @@ -287,6 +288,8 @@ scrollSuspended = false; } + bool haveZoom() const { return zoomLevel != 100; } + #ifndef KHTML_NO_CARET /** this function returns an instance of the caret view context. If none * exists, it will be instantiated. @@ -324,9 +327,10 @@ Qt::ScrollBarPolicy hpolicy; bool prevScrollbarVisible:1; bool linkPressed:1; - bool useSlowRepaints:1; + bool staticWidget:1; bool ignoreWheelEvents:1; + int zoomLevel; int borderX, borderY; KSimpleConfig *formCompletions; @@ -510,9 +514,13 @@ QSize s = viewport()->size(); resizeContents(s.width(), s.height()); - // ### we'll enable redirection of khtmlview here - // when event and painting issues have been thoroughly worked out - // m_kwp->setIsRedirected(true); + // ### we'll enable redirection of khtmlview + // when event issues have been thoroughly worked out + + bool redirect = false; // m_part->parentPart() && !isFrame() ... + + m_kwp->setIsRedirected( redirect ); + d->staticWidget = redirect; } void KHTMLView::clear() @@ -640,6 +648,7 @@ void KHTMLView::updateContents(int x, int y, int w, int h) { + applyTransforms(x, y, w, h); widget()->update(x, y, w, h); } @@ -650,6 +659,7 @@ void KHTMLView::repaintContents(int x, int y, int w, int h) { + applyTransforms(x, y, w, h); widget()->repaint(x, y, w, h); } @@ -658,6 +668,42 @@ repaintContents( r.x(), r.y(), r.width(), r.height() ); } +void KHTMLView::applyTransforms( int& x, int& y, int& w, int& h) const +{ + if (d->staticWidget) { + x -= contentsX(); + y -= contentsY(); + } + if (d->haveZoom()) { + const int z = d->zoomLevel; + x = x*z/100; + y = y*z/100; + w = w*z/100; + h = h*z/100; + } +} + +void KHTMLView::revertTransforms( int& x, int& y, int& w, int& h) const +{ + if (d->staticWidget) { + x += contentsX(); + y += contentsY(); + } + if (d->haveZoom()) { + const int z = d->zoomLevel; + x = x*100/z; + y = y*100/z; + w = w*100/z; + h = h*100/z; + } +} + +void KHTMLView::revertTransforms( int& x, int& y ) const +{ + int dummy = 0; + revertTransforms(x, y, dummy, dummy); +} + void KHTMLView::resizeEvent (QResizeEvent* e) { int dw = e->oldSize().width() - e->size().width(); @@ -692,16 +738,30 @@ QRect r = e->rect(); QRect v(contentsX(), contentsY(), visibleWidth(), visibleHeight()); + if (d->staticWidget) { + QPoint off(contentsX(),contentsY()); + p.translate(-off); + r.translate(off); + } r = r.intersect(v); if (!r.isValid() || r.isEmpty()) return; - p.setClipRect(v); + + if (d->haveZoom()) { + p.scale( d->zoomLevel/100., d->zoomLevel/100.); + r.setX(r.x()*100/d->zoomLevel); + r.setY(r.y()*100/d->zoomLevel); + r.setWidth(r.width()*100/d->zoomLevel); + r.setHeight(r.height()*100/d->zoomLevel); + } + p.setClipRect(r); + int ex = r.x(); int ey = r.y(); int ew = r.width(); int eh = r.height(); - + if(!m_part || !m_part->xmlDocImpl() || !m_part->xmlDocImpl()->renderer()) { p.fillRect(ex, ey, ew, eh, palette().brush(QPalette::Active, QPalette::Base)); return; @@ -882,6 +942,23 @@ QScrollArea::closeEvent( ev ); } +void KHTMLView::setZoomLevel(int percent) +{ + percent = percent < 20 ? 20 : (percent > 800 ? 800 : percent); + int oldpercent = d->zoomLevel; + d->zoomLevel = percent; + if (percent != oldpercent) { + if (d->layoutSchedulingEnabled) + layout(); + widget()->update(); + } +} + +int KHTMLView::zoomLevel() const +{ + return d->zoomLevel; +} + // // Event Handling // @@ -898,6 +975,7 @@ int xm = _mouse->x(); int ym = _mouse->y(); + revertTransforms(xm, ym); // kDebug( 6000 ) << "mousePressEvent: viewport=("<<_mouse->x()-contentsX()<<"/"<<_mouse->y()-contentsY()<<"), contents=(" << xm << "/" << ym << ")\n"; @@ -1018,6 +1096,7 @@ int xm = _mouse->x(); int ym = _mouse->y(); + revertTransforms(xm, ym); // kDebug( 6000 ) << "mouseDblClickEvent: x=" << xm << ", y=" << ym << endl; @@ -1087,6 +1166,7 @@ int xm = _mouse->x(); int ym = _mouse->y(); + revertTransforms(xm, ym); DOM::NodeImpl::MouseEvent mev( _mouse->buttons(), DOM::NodeImpl::MouseMove ); // Do not modify :hover/:active state while mouse is pressed. @@ -1240,6 +1320,7 @@ int xm = _mouse->x(); int ym = _mouse->y(); + revertTransforms(xm, ym); DOM::NodeImpl::MouseEvent mev( _mouse->buttons(), DOM::NodeImpl::MouseRelease ); @@ -3001,10 +3082,11 @@ } -void KHTMLView::useSlowRepaints() +void KHTMLView::setHasStaticBackground() { - d->useSlowRepaints = true; -// setStaticBackground(true); ### ?? FIXME + if (!d->staticWidget) + widget()->move(0,0); + d->staticWidget = true; } @@ -3136,6 +3218,7 @@ int exceptioncode = 0; int pageX = _mouse->x(); int pageY = _mouse->y(); + revertTransforms(pageX, pageY); int clientX = pageX - contentsX(); int clientY = pageY - contentsY(); int screenX = _mouse->globalX(); @@ -3164,7 +3247,7 @@ // mouseout/mouseover if (setUnder && d->oldUnderMouse != targetNode) { - if (d->oldUnderMouse && d->oldUnderMouse->getDocument() != targetNode->getDocument()) { + if (d->oldUnderMouse && d->oldUnderMouse->getDocument() != m_part->xmlDocImpl()) { d->oldUnderMouse->deref(); d->oldUnderMouse = 0; } @@ -3436,16 +3519,29 @@ horizontalScrollBar()->maximum()-horizontalScrollBar()->value() : horizontalScrollBar()->value(); d->contentsY = verticalScrollBar()->value(); - if (d->useSlowRepaints) { - widget()->blockSignals( true ); - widget()->move( widget()->pos().x() + dx, widget()->pos().y() +dy ); - widget()->blockSignals( false ); + if ( d->staticWidget ) { widget()->repaint(); return; } QScrollArea::scrollContentsBy(dx, dy); } +void KHTMLView::addChild(QWidget * child, int x, int y) +{ + if (!child) + return; + + if (child->parent() != widget()) + child->setParent( widget() ); + + // ### handle pseudo-zooming of non-redirected widgets (e.g. just resize'em) + + if (!d->staticWidget) + child->move(x, y); + else + child->move(x-contentsX(), y-contentsY()); +} + void KHTMLView::timerEvent ( QTimerEvent *e ) { // kDebug() << "timer event " << e->timerId() << endl; @@ -3518,9 +3614,6 @@ } } -// setStaticBackground(d->useSlowRepaints); ?? ### FIXME - -// kDebug() << "scheduled repaint "<< d->repaintTimerId << endl; if (d->repaintTimerId) killTimer(d->repaintTimerId); d->repaintTimerId = 0; --- trunk/KDE/kdelibs/khtml/khtmlview.h #630478:630479 @@ -98,6 +98,7 @@ friend class DOM::HTMLFormElementImpl; friend class DOM::HTMLAnchorElementImpl; friend class DOM::HTMLInputElementImpl; + friend class DOM::NodeImpl; friend class DOM::DocumentImpl; friend class KHTMLPart; friend class khtml::RenderCanvas; @@ -257,6 +258,8 @@ */ void updateContents( const QRect& r ); void updateContents(int x, int y, int w, int h); + + void addChild(QWidget *child, int dx, int dy); /** * Requests an immediate repaint of the content area @@ -264,6 +267,18 @@ */ void repaintContents( const QRect& r ); void repaintContents(int x, int y, int w, int h); + + /** + * Apply a zoom level to the content area + * @param percent a zoom level expressed as a percentage + */ + void setZoomLevel( int percent ); + + /** + * Retrieve the current zoom level + * + */ + int zoomLevel() const; public Q_SLOTS: /** @@ -393,7 +408,10 @@ QMap< DOM::ElementImpl*, QChar > buildFallbackAccessKeys() const; void displayAccessKeys( KHTMLView* caller, KHTMLView* origview, QVector< QChar >& taken, bool use_fallbacks ); - void useSlowRepaints(); + void setHasStaticBackground(); + void applyTransforms( int& x, int& y, int& w, int& h) const; + void revertTransforms( int& x, int& y, int& w, int& h) const; + void revertTransforms( int& x, int& y ) const; void setIgnoreWheelEvents(bool e); @@ -699,6 +717,7 @@ void setWidgetVisible(::khtml::RenderWidget*, bool visible); + int _width; int _height; --- trunk/KDE/kdelibs/khtml/rendering/render_canvas.cpp #630478:630479 @@ -220,35 +220,42 @@ // update our cached document size int hDocH = m_cachedDocHeight = docHeight(); int hDocW = m_cachedDocWidth = docWidth(); + + int zLevel = m_view? m_view->zoomLevel() : 100; + hDocW = hDocW*zLevel/100; + hDocH = hDocH*zLevel/100; if (!m_pagedMode && m_view) { bool vss = !m_view->verticalScrollBar()->isHidden(); bool hss = !m_view->horizontalScrollBar()->isHidden(); QSize s = m_view->maximumViewportSize(); - if ( m_cachedDocWidth > s.width() ) + + int zoomedDocWidth = m_cachedDocWidth*zLevel/100; + int zoomedDocHeight = m_cachedDocHeight*zLevel/100; + if ( zoomedDocWidth > s.width() ) s.setWidth( s.width()-m_view->verticalScrollBar()->sizeHint().width() ); - if ( m_cachedDocHeight > s.height() ) + if ( zoomedDocHeight > s.height() ) s.setHeight( s.height()-m_view->horizontalScrollBar()->sizeHint().height() ); // if we are about to show a scrollbar, and the document is sized to the viewport w or h, // then reserve the scrollbar space so that it doesn't trigger the _other_ scrollbar if (!vss && m_width - m_view->verticalScrollBar()->sizeHint().width() == s.width() && - m_cachedDocWidth <= m_width) - hDocW = qMin( m_cachedDocWidth, s.width() ); + zoomedDocWidth <= m_width) + hDocW = qMin( zoomedDocWidth, s.width() ); if (!hss && m_height - m_view->horizontalScrollBar()->sizeHint().height() == s.height() && - m_cachedDocHeight <= m_height) - hDocH = qMin( m_cachedDocHeight, s.height() ); + zoomedDocHeight <= m_height) + hDocH = qMin( zoomedDocHeight, s.height() ); // likewise, if a scrollbar is shown, and we have a cunning plan to turn it off, // think again if we are falling downright in the hysteresis zone - if (vss && s.width() > m_cachedDocWidth && m_cachedDocWidth > m_view->visibleWidth()) + if (vss && s.width() > zoomedDocWidth && zoomedDocWidth > m_view->visibleWidth()) hDocW = s.width()+1; - if (hss && s.height() > m_cachedDocHeight && m_cachedDocHeight > m_view->visibleHeight()) + if (hss && s.height() > zoomedDocHeight && zoomedDocHeight > m_view->visibleHeight()) hDocH = s.height()+1; m_view->resizeContents(hDocW, hDocH); --- trunk/KDE/kdelibs/khtml/rendering/render_replaced.cpp #630478:630479 @@ -524,7 +524,7 @@ } m_view->setWidgetVisible(this, true); if (!khtmlw) - m_widget->move( xPos, yPos ); + m_view->addChild( m_widget, xPos, yPos ); else m_widget->move( xPos, -500000 +yPos); m_widget->show(); --- trunk/KDE/kdelibs/khtml/xml/dom_nodeimpl.cpp #630478:630479 @@ -503,6 +503,8 @@ int exceptioncode = 0; int pageX = _mouse->x(); int pageY = _mouse->y(); + if ( getDocument()->view() ) + getDocument()->view()->revertTransforms( pageX, pageY ); int clientX = pageX; int clientY = pageY; if ( getDocument()->view() ) 3378 2003-11-24 15:45:50 +0000 2003-11-24 15:55:45 +0000 example of jumping elements konqueror.html text/html 1810 panther PCFET0NUWVBFIEhUTUwgUFVCTElDICItLy9XM0MvL0RURCBIVE1MIDQuMDEgU3RyaWN0Ly9FTiIg Imh0dHA6Ly93d3cudzMub3JnL1RSL2h0bWw0L3N0cmljdC5kdGQiPgo8aHRtbD4KPGhlYWQ+Cgo8 c3R5bGUgdHlwZT0idGV4dC9jc3MiPgoKI2V4YW1wbGVfb25lIHsKCXBvc2l0aW9uOiBmaXhlZDsK CWxlZnQ6IDBweDsKCXRvcDogMHB4OwoJd2lkdGg6IDgwcHg7Cglmb250LXNpemU6IHNtYWxsOwoJ fQoKI2V4YW1wbGVfdHdvIHsKCXBvc2l0aW9uOiBmaXhlZDsKCWxlZnQ6IDBweDsKCWJvdHRvbTog MHB4OwoJd2lkdGg6IDgwcHg7Cglmb250LXNpemU6IHNtYWxsOwp9CgojZXhhbXBsZV90aHJlZSB7 Cglwb3NpdGlvbjogZml4ZWQ7CglyaWdodDogMHB4OwoJdG9wOiAwcHg7Cgl3aWR0aDogODBweDsK CWZvbnQtc2l6ZTogc21hbGw7Cn0KCiNleGFtcGxlX2ZvdXIgewoJcG9zaXRpb246IGZpeGVkOwoJ cmlnaHQ6IDBweDsKCWJvdHRvbTogMHB4OwoJd2lkdGg6IDgwcHg7Cglmb250LXNpemU6IHNtYWxs Owp9CgojY29udGVudCB7Cglwb3NpdGlvbjogYWJzb2x1dGU7CglsZWZ0OiA5NXB4OwoJcmlnaHQ6 IDk1cHg7Cgl0b3A6IDEwMHB4OwoJdGV4dC1hbGlnbjogY2VudGVyOwoJfQoKPC9zdHlsZT4KCiAg 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