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00027 #include "khtmlview.moc"
00028
00029 #include "khtmlview.h"
00030
00031 #include "khtml_part.h"
00032 #include "khtml_events.h"
00033
00034 #include "html/html_documentimpl.h"
00035 #include "html/html_inlineimpl.h"
00036 #include "html/html_formimpl.h"
00037 #include "rendering/render_arena.h"
00038 #include "rendering/render_canvas.h"
00039 #include "rendering/render_frames.h"
00040 #include "rendering/render_replaced.h"
00041 #include "rendering/render_layer.h"
00042 #include "rendering/render_line.h"
00043 #include "rendering/render_table.h"
00044
00045 #define protected public
00046 #include "rendering/render_text.h"
00047 #undef protected
00048 #include "xml/dom2_eventsimpl.h"
00049 #include "css/cssstyleselector.h"
00050 #include "css/csshelper.h"
00051 #include "misc/htmlhashes.h"
00052 #include "misc/helper.h"
00053 #include "misc/loader.h"
00054 #include "khtml_settings.h"
00055 #include "khtml_printsettings.h"
00056
00057 #include "khtmlpart_p.h"
00058
00059 #ifndef KHTML_NO_CARET
00060 #include "khtml_caret_p.h"
00061 #include "xml/dom2_rangeimpl.h"
00062 #endif
00063
00064 #include <kapplication.h>
00065 #include <kcursor.h>
00066 #include <kdebug.h>
00067 #include <kdialogbase.h>
00068 #include <kiconloader.h>
00069 #include <kimageio.h>
00070 #include <klocale.h>
00071 #include <knotifyclient.h>
00072 #include <kprinter.h>
00073 #include <ksimpleconfig.h>
00074 #include <kstandarddirs.h>
00075 #include <kstdaccel.h>
00076 #include <kstringhandler.h>
00077 #include <kurldrag.h>
00078
00079 #include <qbitmap.h>
00080 #include <qlabel.h>
00081 #include <qobjectlist.h>
00082 #include <qpaintdevicemetrics.h>
00083 #include <qpainter.h>
00084 #include <qptrdict.h>
00085 #include <qtooltip.h>
00086 #include <qstring.h>
00087 #include <qstylesheet.h>
00088 #include <qtimer.h>
00089 #include <qvaluevector.h>
00090
00091
00092
00093
00094
00095
00096
00097 #ifdef Q_WS_X11
00098 #include <X11/Xlib.h>
00099 #include <fixx11h.h>
00100 #endif
00101
00102 #define PAINT_BUFFER_HEIGHT 128
00103
00104 #if 0
00105 namespace khtml {
00106 void dumpLineBoxes(RenderFlow *flow);
00107 }
00108 #endif
00109
00110 using namespace DOM;
00111 using namespace khtml;
00112 class KHTMLToolTip;
00113
00114
00115 #ifndef QT_NO_TOOLTIP
00116
00117 class KHTMLToolTip : public QToolTip
00118 {
00119 public:
00120 KHTMLToolTip(KHTMLView *view, KHTMLViewPrivate* vp) : QToolTip(view->viewport())
00121 {
00122 m_view = view;
00123 m_viewprivate = vp;
00124 };
00125
00126 protected:
00127 virtual void maybeTip(const QPoint &);
00128
00129 private:
00130 KHTMLView *m_view;
00131 KHTMLViewPrivate* m_viewprivate;
00132 };
00133
00134 #endif
00135
00136 class KHTMLViewPrivate {
00137 friend class KHTMLToolTip;
00138 public:
00139
00140 enum PseudoFocusNodes {
00141 PFNone,
00142 PFTop,
00143 PFBottom
00144 };
00145
00146 enum CompletedState {
00147 CSNone = 0,
00148 CSFull,
00149 CSActionPending
00150 };
00151
00152 KHTMLViewPrivate()
00153 : underMouse( 0 ), underMouseNonShared( 0 ), visibleWidgets( 107 )
00154 #ifndef NO_SMOOTH_SCROLL_HACK
00155 , dx(0), dy(0), ddx(0), ddy(0), rdx(0), rdy(0), scrolling(false)
00156 #endif
00157 {
00158 #ifndef KHTML_NO_CARET
00159 m_caretViewContext = 0;
00160 m_editorContext = 0;
00161 #endif // KHTML_NO_CARET
00162 postponed_autorepeat = NULL;
00163 reset();
00164 vmode = QScrollView::Auto;
00165 hmode = QScrollView::Auto;
00166 tp=0;
00167 paintBuffer=0;
00168 vertPaintBuffer=0;
00169 formCompletions=0;
00170 prevScrollbarVisible = true;
00171 tooltip = 0;
00172 possibleTripleClick = false;
00173 emitCompletedAfterRepaint = CSNone;
00174 cursor_icon_widget = NULL;
00175 m_mouseScrollTimer = 0;
00176 m_mouseScrollIndicator = 0;
00177 }
00178 ~KHTMLViewPrivate()
00179 {
00180 delete formCompletions;
00181 delete tp; tp = 0;
00182 delete paintBuffer; paintBuffer =0;
00183 delete vertPaintBuffer;
00184 delete postponed_autorepeat;
00185 if (underMouse)
00186 underMouse->deref();
00187 if (underMouseNonShared)
00188 underMouseNonShared->deref();
00189 delete tooltip;
00190 #ifndef KHTML_NO_CARET
00191 delete m_caretViewContext;
00192 delete m_editorContext;
00193 #endif // KHTML_NO_CARET
00194 delete cursor_icon_widget;
00195 delete m_mouseScrollTimer;
00196 delete m_mouseScrollIndicator;
00197 }
00198 void reset()
00199 {
00200 if (underMouse)
00201 underMouse->deref();
00202 underMouse = 0;
00203 if (underMouseNonShared)
00204 underMouseNonShared->deref();
00205 underMouseNonShared = 0;
00206 linkPressed = false;
00207 useSlowRepaints = false;
00208 tabMovePending = false;
00209 lastTabbingDirection = true;
00210 pseudoFocusNode = PFNone;
00211 #ifndef KHTML_NO_SCROLLBARS
00212
00213
00214
00215
00216 #else
00217 vmode = QScrollView::AlwaysOff;
00218 hmode = QScrollView::AlwaysOff;
00219 #endif
00220 #ifdef DEBUG_PIXEL
00221 timer.start();
00222 pixelbooth = 0;
00223 repaintbooth = 0;
00224 #endif
00225 scrollBarMoved = false;
00226 contentsMoving = false;
00227 ignoreWheelEvents = false;
00228 borderX = 30;
00229 borderY = 30;
00230 paged = false;
00231 clickX = -1;
00232 clickY = -1;
00233 prevMouseX = -1;
00234 prevMouseY = -1;
00235 clickCount = 0;
00236 isDoubleClick = false;
00237 scrollingSelf = false;
00238 delete postponed_autorepeat;
00239 postponed_autorepeat = NULL;
00240 layoutTimerId = 0;
00241 repaintTimerId = 0;
00242 scrollTimerId = 0;
00243 scrollSuspended = false;
00244 scrollSuspendPreActivate = false;
00245 complete = false;
00246 firstRelayout = true;
00247 needsFullRepaint = true;
00248 dirtyLayout = false;
00249 layoutSchedulingEnabled = true;
00250 painting = false;
00251 updateRegion = QRegion();
00252 m_dialogsAllowed = true;
00253 #ifndef KHTML_NO_CARET
00254 if (m_caretViewContext) {
00255 m_caretViewContext->caretMoved = false;
00256 m_caretViewContext->keyReleasePending = false;
00257 }
00258 #endif // KHTML_NO_CARET
00259 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00260 typeAheadActivated = false;
00261 #endif // KHTML_NO_TYPE_AHEAD_FIND
00262 accessKeysActivated = false;
00263 accessKeysPreActivate = false;
00264
00265
00266 KHTMLFactory::ref();
00267 accessKeysEnabled = KHTMLFactory::defaultHTMLSettings()->accessKeysEnabled();
00268 KHTMLFactory::deref();
00269
00270 emitCompletedAfterRepaint = CSNone;
00271 }
00272 void newScrollTimer(QWidget *view, int tid)
00273 {
00274
00275 view->killTimer(scrollTimerId);
00276 scrollTimerId = tid;
00277 scrollSuspended = false;
00278 }
00279 enum ScrollDirection { ScrollLeft, ScrollRight, ScrollUp, ScrollDown };
00280
00281 void adjustScroller(QWidget *view, ScrollDirection direction, ScrollDirection oppositedir)
00282 {
00283 static const struct { int msec, pixels; } timings [] = {
00284 {320,1}, {224,1}, {160,1}, {112,1}, {80,1}, {56,1}, {40,1},
00285 {28,1}, {20,1}, {20,2}, {20,3}, {20,4}, {20,6}, {20,8}, {0,0}
00286 };
00287 if (!scrollTimerId ||
00288 (static_cast<int>(scrollDirection) != direction &&
00289 (static_cast<int>(scrollDirection) != oppositedir || scrollSuspended))) {
00290 scrollTiming = 6;
00291 scrollBy = timings[scrollTiming].pixels;
00292 scrollDirection = direction;
00293 newScrollTimer(view, view->startTimer(timings[scrollTiming].msec));
00294 } else if (scrollDirection == direction &&
00295 timings[scrollTiming+1].msec && !scrollSuspended) {
00296 scrollBy = timings[++scrollTiming].pixels;
00297 newScrollTimer(view, view->startTimer(timings[scrollTiming].msec));
00298 } else if (scrollDirection == oppositedir) {
00299 if (scrollTiming) {
00300 scrollBy = timings[--scrollTiming].pixels;
00301 newScrollTimer(view, view->startTimer(timings[scrollTiming].msec));
00302 }
00303 }
00304 scrollSuspended = false;
00305 }
00306
00307 #ifndef KHTML_NO_CARET
00308
00311 CaretViewContext *caretViewContext() {
00312 if (!m_caretViewContext) m_caretViewContext = new CaretViewContext();
00313 return m_caretViewContext;
00314 }
00318 EditorContext *editorContext() {
00319 if (!m_editorContext) m_editorContext = new EditorContext();
00320 return m_editorContext;
00321 }
00322 #endif // KHTML_NO_CARET
00323
00324 #ifdef DEBUG_PIXEL
00325 QTime timer;
00326 unsigned int pixelbooth;
00327 unsigned int repaintbooth;
00328 #endif
00329
00330 QPainter *tp;
00331 QPixmap *paintBuffer;
00332 QPixmap *vertPaintBuffer;
00333 NodeImpl *underMouse;
00334 NodeImpl *underMouseNonShared;
00335
00336 bool tabMovePending:1;
00337 bool lastTabbingDirection:1;
00338 PseudoFocusNodes pseudoFocusNode:2;
00339 bool scrollBarMoved:1;
00340 bool contentsMoving:1;
00341
00342 QScrollView::ScrollBarMode vmode;
00343 QScrollView::ScrollBarMode hmode;
00344 bool prevScrollbarVisible:1;
00345 bool linkPressed:1;
00346 bool useSlowRepaints:1;
00347 bool ignoreWheelEvents:1;
00348
00349 int borderX, borderY;
00350 KSimpleConfig *formCompletions;
00351
00352 bool paged;
00353
00354 int clickX, clickY, clickCount;
00355 bool isDoubleClick;
00356
00357 int prevMouseX, prevMouseY;
00358 bool scrollingSelf;
00359 int layoutTimerId;
00360 QKeyEvent* postponed_autorepeat;
00361
00362 int repaintTimerId;
00363 int scrollTimerId;
00364 int scrollTiming;
00365 int scrollBy;
00366 ScrollDirection scrollDirection :2;
00367 bool scrollSuspended :1;
00368 bool scrollSuspendPreActivate :1;
00369 bool complete :1;
00370 bool firstRelayout :1;
00371 bool layoutSchedulingEnabled :1;
00372 bool needsFullRepaint :1;
00373 bool painting :1;
00374 bool possibleTripleClick :1;
00375 bool dirtyLayout :1;
00376 bool m_dialogsAllowed :1;
00377 QRegion updateRegion;
00378 KHTMLToolTip *tooltip;
00379 QPtrDict<QWidget> visibleWidgets;
00380 #ifndef KHTML_NO_CARET
00381 CaretViewContext *m_caretViewContext;
00382 EditorContext *m_editorContext;
00383 #endif // KHTML_NO_CARET
00384 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00385 QString findString;
00386 QTimer timer;
00387 bool findLinksOnly;
00388 bool typeAheadActivated;
00389 #endif // KHTML_NO_TYPE_AHEAD_FIND
00390 bool accessKeysEnabled;
00391 bool accessKeysActivated;
00392 bool accessKeysPreActivate;
00393 CompletedState emitCompletedAfterRepaint;
00394
00395 QWidget* cursor_icon_widget;
00396
00397
00398 short m_mouseScroll_byX;
00399 short m_mouseScroll_byY;
00400 QTimer *m_mouseScrollTimer;
00401 QWidget *m_mouseScrollIndicator;
00402 #ifndef NO_SMOOTH_SCROLL_HACK
00403 QTimer timer2;
00404 int dx;
00405 int dy;
00406
00407 int ddx;
00408 int ddy;
00409 int rdx;
00410 int rdy;
00411 bool scrolling;
00412 #endif
00413 };
00414
00415 #ifndef QT_NO_TOOLTIP
00416
00426 static bool findImageMapRect(HTMLImageElementImpl *img, const QPoint &scrollOfs,
00427 const QPoint &p, QRect &r, QString &s)
00428 {
00429 HTMLMapElementImpl* map;
00430 if (img && img->getDocument()->isHTMLDocument() &&
00431 (map = static_cast<HTMLDocumentImpl*>(img->getDocument())->getMap(img->imageMap()))) {
00432 RenderObject::NodeInfo info(true, false);
00433 RenderObject *rend = img->renderer();
00434 int ax, ay;
00435 if (!rend || !rend->absolutePosition(ax, ay))
00436 return false;
00437
00438 bool inside = map->mapMouseEvent(p.x() - ax + scrollOfs.x(),
00439 p.y() - ay + scrollOfs.y(), rend->contentWidth(),
00440 rend->contentHeight(), info);
00441 if (inside && info.URLElement()) {
00442 HTMLAreaElementImpl *area = static_cast<HTMLAreaElementImpl *>(info.URLElement());
00443 Q_ASSERT(area->id() == ID_AREA);
00444 s = area->getAttribute(ATTR_TITLE).string();
00445 QRegion reg = area->cachedRegion();
00446 if (!s.isEmpty() && !reg.isEmpty()) {
00447 r = reg.boundingRect();
00448 r.moveBy(ax, ay);
00449 return true;
00450 }
00451 }
00452 }
00453 return false;
00454 }
00455
00456 void KHTMLToolTip::maybeTip(const QPoint& p)
00457 {
00458 DOM::NodeImpl *node = m_viewprivate->underMouseNonShared;
00459 QRect region;
00460 while ( node ) {
00461 if ( node->isElementNode() ) {
00462 DOM::ElementImpl *e = static_cast<DOM::ElementImpl*>( node );
00463 QRect r;
00464 QString s;
00465 bool found = false;
00466
00467
00468 if (e->id() == ID_IMG && !e->getAttribute( ATTR_USEMAP ).isEmpty()) {
00469 found = findImageMapRect(static_cast<HTMLImageElementImpl *>(e),
00470 m_view->viewportToContents(QPoint(0, 0)), p, r, s);
00471 }
00472 if (!found) {
00473 s = e->getAttribute( ATTR_TITLE ).string();
00474 r = node->getRect();
00475 }
00476 region |= QRect( m_view->contentsToViewport( r.topLeft() ), r.size() );
00477 if ( !s.isEmpty() ) {
00478 tip( region, QStyleSheet::convertFromPlainText( s, QStyleSheetItem::WhiteSpaceNormal ) );
00479 break;
00480 }
00481 }
00482 node = node->parentNode();
00483 }
00484 }
00485 #endif
00486
00487 KHTMLView::KHTMLView( KHTMLPart *part, QWidget *parent, const char *name)
00488 : QScrollView( parent, name, WResizeNoErase | WRepaintNoErase )
00489 {
00490 m_medium = "screen";
00491
00492 m_part = part;
00493 d = new KHTMLViewPrivate;
00494 QScrollView::setVScrollBarMode(d->vmode);
00495 QScrollView::setHScrollBarMode(d->hmode);
00496 connect(kapp, SIGNAL(kdisplayPaletteChanged()), this, SLOT(slotPaletteChanged()));
00497 connect(this, SIGNAL(contentsMoving(int, int)), this, SLOT(slotScrollBarMoved()));
00498
00499
00500 enableClipper(true);
00501
00502 static_cast<KHTMLView *>(static_cast<QWidget *>(viewport()))->setWFlags(WPaintUnclipped);
00503
00504 setResizePolicy(Manual);
00505 viewport()->setMouseTracking(true);
00506 viewport()->setBackgroundMode(NoBackground);
00507
00508 KImageIO::registerFormats();
00509
00510 #ifndef QT_NO_TOOLTIP
00511 d->tooltip = new KHTMLToolTip( this, d );
00512 #endif
00513
00514 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00515 connect(&d->timer, SIGNAL(timeout()), this, SLOT(findTimeout()));
00516 #endif // KHTML_NO_TYPE_AHEAD_FIND
00517
00518 init();
00519
00520 viewport()->show();
00521 #ifndef NO_SMOOTH_SCROLL_HACK
00522 #define timer timer2
00523 connect(&d->timer, SIGNAL(timeout()), this, SLOT(scrollTick()));
00524 #undef timer
00525 #endif
00526 }
00527
00528 KHTMLView::~KHTMLView()
00529 {
00530 closeChildDialogs();
00531 if (m_part)
00532 {
00533
00534
00535 DOM::DocumentImpl *doc = m_part->xmlDocImpl();
00536 if (doc)
00537 doc->detach();
00538 }
00539 delete d; d = 0;
00540 }
00541
00542 void KHTMLView::init()
00543 {
00544 if(!d->paintBuffer) d->paintBuffer = new QPixmap(PAINT_BUFFER_HEIGHT, PAINT_BUFFER_HEIGHT);
00545 if(!d->vertPaintBuffer)
00546 d->vertPaintBuffer = new QPixmap(10, PAINT_BUFFER_HEIGHT);
00547 if(!d->tp) d->tp = new QPainter();
00548
00549 setFocusPolicy(QWidget::StrongFocus);
00550 viewport()->setFocusProxy(this);
00551
00552 _marginWidth = -1;
00553 _marginHeight = -1;
00554 _width = 0;
00555 _height = 0;
00556
00557 installEventFilter(this);
00558
00559 setAcceptDrops(true);
00560 QSize s = viewportSize(4095, 4095);
00561 resizeContents(s.width(), s.height());
00562 }
00563
00564 void KHTMLView::clear()
00565 {
00566
00567 setStaticBackground(true);
00568 #ifndef KHTML_NO_CARET
00569 if (!m_part->isCaretMode() && !m_part->isEditable()) caretOff();
00570 #endif
00571
00572 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00573 if( d->typeAheadActivated )
00574 findTimeout();
00575 #endif
00576 if (d->accessKeysEnabled && d->accessKeysActivated)
00577 accessKeysTimeout();
00578 viewport()->unsetCursor();
00579 if ( d->cursor_icon_widget )
00580 d->cursor_icon_widget->hide();
00581 d->reset();
00582 killTimers();
00583 emit cleared();
00584
00585 QScrollView::setHScrollBarMode(d->hmode);
00586 QScrollView::setVScrollBarMode(d->vmode);
00587 verticalScrollBar()->setEnabled( false );
00588 horizontalScrollBar()->setEnabled( false );
00589 }
00590
00591 void KHTMLView::hideEvent(QHideEvent* e)
00592 {
00593 QScrollView::hideEvent(e);
00594 if ( m_part && m_part->xmlDocImpl() )
00595 m_part->xmlDocImpl()->docLoader()->pauseAnimations();
00596 }
00597
00598 void KHTMLView::showEvent(QShowEvent* e)
00599 {
00600 QScrollView::showEvent(e);
00601 if ( m_part && m_part->xmlDocImpl() )
00602 m_part->xmlDocImpl()->docLoader()->resumeAnimations();
00603 }
00604
00605 void KHTMLView::resizeEvent (QResizeEvent* e)
00606 {
00607 int dw = e->oldSize().width() - e->size().width();
00608 int dh = e->oldSize().height() - e->size().height();
00609
00610
00611
00612 dw = dw>0 ? kMax(0, contentsWidth()-dw) : contentsWidth();
00613 dh = dh>0 ? kMax(0, contentsHeight()-dh) : contentsHeight();
00614
00615 resizeContents(dw, dh);
00616
00617 QScrollView::resizeEvent(e);
00618
00619 if ( m_part && m_part->xmlDocImpl() )
00620 m_part->xmlDocImpl()->dispatchWindowEvent( EventImpl::RESIZE_EVENT, false, false );
00621 }
00622
00623 void KHTMLView::viewportResizeEvent (QResizeEvent* e)
00624 {
00625 QScrollView::viewportResizeEvent(e);
00626
00627
00628
00629
00630 if (d->layoutSchedulingEnabled)
00631 layout();
00632 #ifndef KHTML_NO_CARET
00633 else {
00634 hideCaret();
00635 recalcAndStoreCaretPos();
00636 showCaret();
00637 }
00638 #endif
00639
00640 KApplication::sendPostedEvents(viewport(), QEvent::Paint);
00641 }
00642
00643
00644 void KHTMLView::drawContents( QPainter*)
00645 {
00646 }
00647
00648 void KHTMLView::drawContents( QPainter *p, int ex, int ey, int ew, int eh )
00649 {
00650 #ifdef DEBUG_PIXEL
00651
00652 if ( d->timer.elapsed() > 5000 ) {
00653 qDebug( "drawed %d pixels in %d repaints the last %d milliseconds",
00654 d->pixelbooth, d->repaintbooth, d->timer.elapsed() );
00655 d->timer.restart();
00656 d->pixelbooth = 0;
00657 d->repaintbooth = 0;
00658 }
00659 d->pixelbooth += ew*eh;
00660 d->repaintbooth++;
00661 #endif
00662
00663
00664 if(!m_part || !m_part->xmlDocImpl() || !m_part->xmlDocImpl()->renderer()) {
00665 p->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00666 return;
00667 } else if ( d->complete && static_cast<RenderCanvas*>(m_part->xmlDocImpl()->renderer())->needsLayout() ) {
00668
00669 unscheduleRelayout();
00670 layout();
00671 }
00672
00673 if (d->painting) {
00674 kdDebug( 6000 ) << "WARNING: drawContents reentered! " << endl;
00675 return;
00676 }
00677 d->painting = true;
00678
00679 QPoint pt = contentsToViewport(QPoint(ex, ey));
00680 QRegion cr = QRect(pt.x(), pt.y(), ew, eh);
00681
00682
00683 for (QPtrDictIterator<QWidget> it(d->visibleWidgets); it.current(); ++it) {
00684 QWidget *w = it.current();
00685 RenderWidget* rw = static_cast<RenderWidget*>( it.currentKey() );
00686 if (w && rw && !rw->isKHTMLWidget()) {
00687 int x, y;
00688 rw->absolutePosition(x, y);
00689 contentsToViewport(x, y, x, y);
00690 int pbx = rw->borderLeft()+rw->paddingLeft();
00691 int pby = rw->borderTop()+rw->paddingTop();
00692 QRect g = QRect(x+pbx, y+pby,
00693 rw->width()-pbx-rw->borderRight()-rw->paddingRight(),
00694 rw->height()-pby-rw->borderBottom()-rw->paddingBottom());
00695 if ( !rw->isFrame() && ((g.top() > pt.y()+eh) || (g.bottom() <= pt.y()) ||
00696 (g.right() <= pt.x()) || (g.left() > pt.x()+ew) ))
00697 continue;
00698 RenderLayer* rl = rw->needsMask() ? rw->enclosingStackingContext() : 0;
00699 QRegion mask = rl ? rl->getMask() : QRegion();
00700 if (!mask.isNull()) {
00701 QPoint o(0,0);
00702 o = contentsToViewport(o);
00703 mask.translate(o.x(),o.y());
00704 mask = mask.intersect( QRect(g.x(),g.y(),g.width(),g.height()) );
00705 cr -= mask;
00706 } else {
00707 cr -= g;
00708 }
00709 }
00710 }
00711
00712 #if 0
00713
00714
00715 if (cr.isEmpty()) {
00716 d->painting = false;
00717 return;
00718 }
00719 #endif
00720
00721 #ifndef DEBUG_NO_PAINT_BUFFER
00722 p->setClipRegion(cr);
00723
00724 if (eh > PAINT_BUFFER_HEIGHT && ew <= 10) {
00725 if ( d->vertPaintBuffer->height() < visibleHeight() )
00726 d->vertPaintBuffer->resize(10, visibleHeight());
00727 d->tp->begin(d->vertPaintBuffer);
00728 d->tp->translate(-ex, -ey);
00729 d->tp->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00730 m_part->xmlDocImpl()->renderer()->layer()->paint(d->tp, QRect(ex, ey, ew, eh));
00731 d->tp->end();
00732 p->drawPixmap(ex, ey, *d->vertPaintBuffer, 0, 0, ew, eh);
00733 }
00734 else {
00735 if ( d->paintBuffer->width() < visibleWidth() )
00736 d->paintBuffer->resize(visibleWidth(),PAINT_BUFFER_HEIGHT);
00737
00738 int py=0;
00739 while (py < eh) {
00740 int ph = eh-py < PAINT_BUFFER_HEIGHT ? eh-py : PAINT_BUFFER_HEIGHT;
00741 d->tp->begin(d->paintBuffer);
00742 d->tp->translate(-ex, -ey-py);
00743 d->tp->fillRect(ex, ey+py, ew, ph, palette().active().brush(QColorGroup::Base));
00744 m_part->xmlDocImpl()->renderer()->layer()->paint(d->tp, QRect(ex, ey+py, ew, ph));
00745 d->tp->end();
00746
00747 p->drawPixmap(ex, ey+py, *d->paintBuffer, 0, 0, ew, ph);
00748 py += PAINT_BUFFER_HEIGHT;
00749 }
00750 }
00751 #else // !DEBUG_NO_PAINT_BUFFER
00752 static int cnt=0;
00753 ex = contentsX(); ey = contentsY();
00754 ew = visibleWidth(); eh = visibleHeight();
00755 QRect pr(ex,ey,ew,eh);
00756 kdDebug() << "[" << ++cnt << "]" << " clip region: " << pr << endl;
00757
00758
00759 p->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00760 m_part->xmlDocImpl()->renderer()->layer()->paint(p, pr);
00761 #endif // DEBUG_NO_PAINT_BUFFER
00762
00763 #ifndef KHTML_NO_CARET
00764 if (d->m_caretViewContext && d->m_caretViewContext->visible) {
00765 QRect pos(d->m_caretViewContext->x, d->m_caretViewContext->y,
00766 d->m_caretViewContext->width, d->m_caretViewContext->height);
00767 if (pos.intersects(QRect(ex, ey, ew, eh))) {
00768 p->setRasterOp(XorROP);
00769 p->setPen(white);
00770 if (pos.width() == 1)
00771 p->drawLine(pos.topLeft(), pos.bottomRight());
00772 else {
00773 p->fillRect(pos, white);
00774 }
00775 }
00776 }
00777 #endif // KHTML_NO_CARET
00778
00779
00780
00781
00782 khtml::DrawContentsEvent event( p, ex, ey, ew, eh );
00783 QApplication::sendEvent( m_part, &event );
00784
00785 d->painting = false;
00786 }
00787
00788 void KHTMLView::setMarginWidth(int w)
00789 {
00790
00791 _marginWidth = w;
00792 }
00793
00794 void KHTMLView::setMarginHeight(int h)
00795 {
00796
00797 _marginHeight = h;
00798 }
00799
00800 void KHTMLView::layout()
00801 {
00802 if( m_part && m_part->xmlDocImpl() ) {
00803 DOM::DocumentImpl *document = m_part->xmlDocImpl();
00804
00805 khtml::RenderCanvas* canvas = static_cast<khtml::RenderCanvas *>(document->renderer());
00806 if ( !canvas ) return;
00807
00808 d->layoutSchedulingEnabled=false;
00809
00810
00811 RenderObject * ref = 0;
00812 RenderObject* root = document->documentElement() ? document->documentElement()->renderer() : 0;
00813
00814 if (document->isHTMLDocument()) {
00815 NodeImpl *body = static_cast<HTMLDocumentImpl*>(document)->body();
00816 if(body && body->renderer() && body->id() == ID_FRAMESET) {
00817 QScrollView::setVScrollBarMode(AlwaysOff);
00818 QScrollView::setHScrollBarMode(AlwaysOff);
00819 body->renderer()->setNeedsLayout(true);
00820
00821
00822
00823
00824 }
00825 else {
00826 if (!d->tooltip)
00827 d->tooltip = new KHTMLToolTip( this, d );
00828
00829 if (root)
00830 ref = (!body || root->style()->hidesOverflow()) ? root : body->renderer();
00831 }
00832 } else {
00833 ref = root;
00834 }
00835 if (ref) {
00836 if( ref->style()->overflowX() == OHIDDEN ) {
00837 if (d->hmode == Auto) QScrollView::setHScrollBarMode(AlwaysOff);
00838 } else if (ref->style()->overflowX() == OSCROLL ) {
00839 if (d->hmode == Auto) QScrollView::setHScrollBarMode(AlwaysOn);
00840 } else {
00841 if (QScrollView::hScrollBarMode() == AlwaysOff) QScrollView::setHScrollBarMode(d->hmode);
00842 } if ( ref->style()->overflowY() == OHIDDEN ) {
00843 if (d->vmode == Auto) QScrollView::setVScrollBarMode(AlwaysOff);
00844 } else if (ref->style()->overflowY() == OSCROLL ) {
00845 if (d->vmode == Auto) QScrollView::setVScrollBarMode(AlwaysOn);
00846 } else {
00847 if (QScrollView::vScrollBarMode() == AlwaysOff) QScrollView::setVScrollBarMode(d->vmode);
00848 }
00849 }
00850 d->needsFullRepaint = d->firstRelayout;
00851 if (_height != visibleHeight() || _width != visibleWidth()) {;
00852 d->needsFullRepaint = true;
00853 _height = visibleHeight();
00854 _width = visibleWidth();
00855 }
00856
00857
00858 canvas->layout();
00859
00860 emit finishedLayout();
00861 if (d->firstRelayout) {
00862
00863
00864 d->firstRelayout = false;
00865 verticalScrollBar()->setEnabled( true );
00866 horizontalScrollBar()->setEnabled( true );
00867 }
00868 #if 0
00869 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__");
00870 if (listitem) kdDebug(6000) << "after layout, before repaint" << endl;
00871 if (listitem) dumpLineBoxes(static_cast<RenderFlow *>(listitem->renderer()));
00872 #endif
00873 #ifndef KHTML_NO_CARET
00874 hideCaret();
00875 if ((m_part->isCaretMode() || m_part->isEditable())
00876 && !d->complete && d->m_caretViewContext
00877 && !d->m_caretViewContext->caretMoved) {
00878 initCaret();
00879 } else {
00880 recalcAndStoreCaretPos();
00881 showCaret();
00882 }
00883 #endif
00884 if (d->accessKeysEnabled && d->accessKeysActivated) {
00885 emit hideAccessKeys();
00886 displayAccessKeys();
00887 }
00888
00889 }
00890 else
00891 _width = visibleWidth();
00892
00893 killTimer(d->layoutTimerId);
00894 d->layoutTimerId = 0;
00895 d->layoutSchedulingEnabled=true;
00896 }
00897
00898 void KHTMLView::closeChildDialogs()
00899 {
00900 QObjectList *dlgs = queryList("QDialog");
00901 for (QObject *dlg = dlgs->first(); dlg; dlg = dlgs->next())
00902 {
00903 KDialogBase* dlgbase = dynamic_cast<KDialogBase *>( dlg );
00904 if ( dlgbase ) {
00905 if ( dlgbase->testWFlags( WShowModal ) ) {
00906 kdDebug(6000) << "closeChildDialogs: closing dialog " << dlgbase << endl;
00907
00908
00909 dlgbase->cancel();
00910 }
00911 }
00912 else
00913 {
00914 kdWarning() << "closeChildDialogs: not a KDialogBase! Don't use QDialogs in KDE! " << static_cast<QWidget*>(dlg) << endl;
00915 static_cast<QWidget*>(dlg)->hide();
00916 }
00917 }
00918 delete dlgs;
00919 d->m_dialogsAllowed = false;
00920 }
00921
00922 bool KHTMLView::dialogsAllowed() {
00923 bool allowed = d->m_dialogsAllowed;
00924 KHTMLPart* p = m_part->parentPart();
00925 if (p && p->view())
00926 allowed &= p->view()->dialogsAllowed();
00927 return allowed;
00928 }
00929
00930 void KHTMLView::closeEvent( QCloseEvent* ev )
00931 {
00932 closeChildDialogs();
00933 QScrollView::closeEvent( ev );
00934 }
00935
00936
00937
00938
00940
00941 void KHTMLView::viewportMousePressEvent( QMouseEvent *_mouse )
00942 {
00943 if (!m_part->xmlDocImpl()) return;
00944 if (d->possibleTripleClick && ( _mouse->button() & MouseButtonMask ) == LeftButton)
00945 {
00946 viewportMouseDoubleClickEvent( _mouse );
00947 return;
00948 }
00949
00950 int xm, ym;
00951 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
00952
00953
00954 d->isDoubleClick = false;
00955
00956 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MousePress );
00957 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
00958
00959
00960
00961 if ( (_mouse->button() == MidButton) &&
00962 !m_part->d->m_bOpenMiddleClick && !d->m_mouseScrollTimer &&
00963 mev.url.isNull() && (mev.innerNode.elementId() != ID_INPUT) ) {
00964 QPoint point = mapFromGlobal( _mouse->globalPos() );
00965
00966 d->m_mouseScroll_byX = 0;
00967 d->m_mouseScroll_byY = 0;
00968
00969 d->m_mouseScrollTimer = new QTimer( this );
00970 connect( d->m_mouseScrollTimer, SIGNAL(timeout()), this, SLOT(slotMouseScrollTimer()) );
00971
00972 if ( !d->m_mouseScrollIndicator ) {
00973 QPixmap pixmap, icon;
00974 pixmap.resize( 48, 48 );
00975 pixmap.fill( QColor( qRgba( 127, 127, 127, 127 ) ) );
00976
00977 QPainter p( &pixmap );
00978 icon = KGlobal::iconLoader()->loadIcon( "1uparrow", KIcon::Small );
00979 p.drawPixmap( 16, 0, icon );
00980 icon = KGlobal::iconLoader()->loadIcon( "1leftarrow", KIcon::Small );
00981 p.drawPixmap( 0, 16, icon );
00982 icon = KGlobal::iconLoader()->loadIcon( "1downarrow", KIcon::Small );
00983 p.drawPixmap( 16, 32,icon );
00984 icon = KGlobal::iconLoader()->loadIcon( "1rightarrow", KIcon::Small );
00985 p.drawPixmap( 32, 16, icon );
00986 p.drawEllipse( 23, 23, 2, 2 );
00987
00988 d->m_mouseScrollIndicator = new QWidget( this, 0 );
00989 d->m_mouseScrollIndicator->setFixedSize( 48, 48 );
00990 d->m_mouseScrollIndicator->setPaletteBackgroundPixmap( pixmap );
00991 }
00992 d->m_mouseScrollIndicator->move( point.x()-24, point.y()-24 );
00993
00994 bool hasHorBar = visibleWidth() < contentsWidth();
00995 bool hasVerBar = visibleHeight() < contentsHeight();
00996
00997 KConfig *config = KGlobal::config();
00998 KConfigGroupSaver saver( config, "HTML Settings" );
00999 if ( config->readBoolEntry( "ShowMouseScrollIndicator", true ) ) {
01000 d->m_mouseScrollIndicator->show();
01001 d->m_mouseScrollIndicator->unsetCursor();
01002
01003 QBitmap mask = d->m_mouseScrollIndicator->paletteBackgroundPixmap()->createHeuristicMask( true );
01004
01005 if ( hasHorBar && !hasVerBar ) {
01006 QBitmap bm( 16, 16, true );
01007 bitBlt( &mask, 16, 0, &bm, 0, 0, -1, -1 );
01008 bitBlt( &mask, 16, 32, &bm, 0, 0, -1, -1 );
01009 d->m_mouseScrollIndicator->setCursor( KCursor::SizeHorCursor );
01010 }
01011 else if ( !hasHorBar && hasVerBar ) {
01012 QBitmap bm( 16, 16, true );
01013 bitBlt( &mask, 0, 16, &bm, 0, 0, -1, -1 );
01014 bitBlt( &mask, 32, 16, &bm, 0, 0, -1, -1 );
01015 d->m_mouseScrollIndicator->setCursor( KCursor::SizeVerCursor );
01016 }
01017 else
01018 d->m_mouseScrollIndicator->setCursor( KCursor::SizeAllCursor );
01019
01020 d->m_mouseScrollIndicator->setMask( mask );
01021 }
01022 else {
01023 if ( hasHorBar && !hasVerBar )
01024 viewport()->setCursor( KCursor::SizeHorCursor );
01025 else if ( !hasHorBar && hasVerBar )
01026 viewport()->setCursor( KCursor::SizeVerCursor );
01027 else
01028 viewport()->setCursor( KCursor::SizeAllCursor );
01029 }
01030
01031 return;
01032 }
01033 else if ( d->m_mouseScrollTimer ) {
01034 delete d->m_mouseScrollTimer;
01035 d->m_mouseScrollTimer = 0;
01036
01037 if ( d->m_mouseScrollIndicator )
01038 d->m_mouseScrollIndicator->hide();
01039 }
01040
01041 d->clickCount = 1;
01042 d->clickX = xm;
01043 d->clickY = ym;
01044
01045 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEDOWN_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01046 d->clickCount,_mouse,true,DOM::NodeImpl::MousePress);
01047
01048 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01049 if (r && r->isWidget())
01050 _mouse->ignore();
01051
01052 if (!swallowEvent) {
01053 emit m_part->nodeActivated(mev.innerNode);
01054
01055 khtml::MousePressEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01056 QApplication::sendEvent( m_part, &event );
01057
01058 }
01059 }
01060
01061 void KHTMLView::viewportMouseDoubleClickEvent( QMouseEvent *_mouse )
01062 {
01063 if(!m_part->xmlDocImpl()) return;
01064
01065 int xm, ym;
01066 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01067
01068 kdDebug( 6000 ) << "mouseDblClickEvent: x=" << xm << ", y=" << ym << endl;
01069
01070 d->isDoubleClick = true;
01071
01072 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseDblClick );
01073 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
01074
01075
01076
01077 if (d->clickCount > 0 &&
01078 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= QApplication::startDragDistance())
01079 d->clickCount++;
01080 else {
01081 d->clickCount = 1;
01082 d->clickX = xm;
01083 d->clickY = ym;
01084 }
01085 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEDOWN_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01086 d->clickCount,_mouse,true,DOM::NodeImpl::MouseDblClick);
01087
01088 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01089 if (r && r->isWidget())
01090 _mouse->ignore();
01091
01092 if (!swallowEvent) {
01093 khtml::MouseDoubleClickEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode, d->clickCount );
01094 QApplication::sendEvent( m_part, &event );
01095 }
01096
01097 d->possibleTripleClick=true;
01098 QTimer::singleShot(QApplication::doubleClickInterval(),this,SLOT(tripleClickTimeout()));
01099 }
01100
01101 void KHTMLView::tripleClickTimeout()
01102 {
01103 d->possibleTripleClick = false;
01104 d->clickCount = 0;
01105 }
01106
01107 static inline void forwardPeripheralEvent(khtml::RenderWidget* r, QMouseEvent* me, int x, int y)
01108 {
01109 int absx = 0;
01110 int absy = 0;
01111 r->absolutePosition(absx, absy);
01112 QPoint p(x-absx, y-absy);
01113 QMouseEvent fw(me->type(), p, me->button(), me->state());
01114 QWidget* w = r->widget();
01115 QScrollView* sc = ::qt_cast<QScrollView*>(w);
01116 if (sc && !::qt_cast<QListBox*>(w))
01117 static_cast<khtml::RenderWidget::ScrollViewEventPropagator*>(sc)->sendEvent(&fw);
01118 else if(w)
01119 static_cast<khtml::RenderWidget::EventPropagator*>(w)->sendEvent(&fw);
01120 }
01121
01122
01123 static bool targetOpensNewWindow(KHTMLPart *part, QString target)
01124 {
01125 if (!target.isEmpty() && (target.lower() != "_top") &&
01126 (target.lower() != "_self") && (target.lower() != "_parent")) {
01127 if (target.lower() == "_blank")
01128 return true;
01129 else {
01130 while (part->parentPart())
01131 part = part->parentPart();
01132 if (!part->frameExists(target))
01133 return true;
01134 }
01135 }
01136 return false;
01137 }
01138
01139 void KHTMLView::viewportMouseMoveEvent( QMouseEvent * _mouse )
01140 {
01141 if ( d->m_mouseScrollTimer ) {
01142 QPoint point = mapFromGlobal( _mouse->globalPos() );
01143
01144 int deltaX = point.x() - d->m_mouseScrollIndicator->x() - 24;
01145 int deltaY = point.y() - d->m_mouseScrollIndicator->y() - 24;
01146
01147 (deltaX > 0) ? d->m_mouseScroll_byX = 1 : d->m_mouseScroll_byX = -1;
01148 (deltaY > 0) ? d->m_mouseScroll_byY = 1 : d->m_mouseScroll_byY = -1;
01149
01150 double adX = QABS(deltaX)/30.0;
01151 double adY = QABS(deltaY)/30.0;
01152
01153 d->m_mouseScroll_byX = kMax(kMin(d->m_mouseScroll_byX * int(adX*adX), SHRT_MAX), SHRT_MIN);
01154 d->m_mouseScroll_byY = kMax(kMin(d->m_mouseScroll_byY * int(adY*adY), SHRT_MAX), SHRT_MIN);
01155
01156 if (d->m_mouseScroll_byX == 0 && d->m_mouseScroll_byY == 0) {
01157 d->m_mouseScrollTimer->stop();
01158 }
01159 else if (!d->m_mouseScrollTimer->isActive()) {
01160 d->m_mouseScrollTimer->changeInterval( 20 );
01161 }
01162 }
01163
01164 if(!m_part->xmlDocImpl()) return;
01165
01166 int xm, ym;
01167 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01168
01169 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseMove );
01170
01171 m_part->xmlDocImpl()->prepareMouseEvent( _mouse->state() & Qt::MouseButtonMask , xm, ym, &mev );
01172
01173
01174
01175
01176
01177 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEMOVE_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),false,
01178 0,_mouse,true,DOM::NodeImpl::MouseMove);
01179
01180 if (d->clickCount > 0 &&
01181 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() > QApplication::startDragDistance()) {
01182 d->clickCount = 0;
01183 }
01184
01185
01186 m_part->executeScheduledScript();
01187
01188 DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode();
01189 if (fn && fn != mev.innerNode.handle() &&
01190 fn->renderer() && fn->renderer()->isWidget()) {
01191 forwardPeripheralEvent(static_cast<khtml::RenderWidget*>(fn->renderer()), _mouse, xm, ym);
01192 }
01193
01194 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01195 khtml::RenderStyle* style = (r && r->style()) ? r->style() : 0;
01196 QCursor c;
01197 bool mailtoCursor = false;
01198 bool newWindowCursor = false;
01199 switch ( style ? style->cursor() : CURSOR_AUTO) {
01200 case CURSOR_AUTO:
01201 if ( r && r->isText() )
01202 c = KCursor::ibeamCursor();
01203 if ( mev.url.length() && m_part->settings()->changeCursor() ) {
01204 c = m_part->urlCursor();
01205 if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0)
01206 mailtoCursor = true;
01207 else
01208 newWindowCursor = targetOpensNewWindow( m_part, mev.target.string() );
01209 }
01210
01211 if (r && r->isFrameSet() && !static_cast<RenderFrameSet*>(r)->noResize())
01212 c = QCursor(static_cast<RenderFrameSet*>(r)->cursorShape());
01213
01214 break;
01215 case CURSOR_CROSS:
01216 c = KCursor::crossCursor();
01217 break;
01218 case CURSOR_POINTER:
01219 c = m_part->urlCursor();
01220 if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0)
01221 mailtoCursor = true;
01222 else
01223 newWindowCursor = targetOpensNewWindow( m_part, mev.target.string() );
01224 break;
01225 case CURSOR_PROGRESS:
01226 c = KCursor::workingCursor();
01227 break;
01228 case CURSOR_MOVE:
01229 c = KCursor::sizeAllCursor();
01230 break;
01231 case CURSOR_E_RESIZE:
01232 case CURSOR_W_RESIZE:
01233 c = KCursor::sizeHorCursor();
01234 break;
01235 case CURSOR_N_RESIZE:
01236 case CURSOR_S_RESIZE:
01237 c = KCursor::sizeVerCursor();
01238 break;
01239 case CURSOR_NE_RESIZE:
01240 case CURSOR_SW_RESIZE:
01241 c = KCursor::sizeBDiagCursor();
01242 break;
01243 case CURSOR_NW_RESIZE:
01244 case CURSOR_SE_RESIZE:
01245 c = KCursor::sizeFDiagCursor();
01246 break;
01247 case CURSOR_TEXT:
01248 c = KCursor::ibeamCursor();
01249 break;
01250 case CURSOR_WAIT:
01251 c = KCursor::waitCursor();
01252 break;
01253 case CURSOR_HELP:
01254 c = KCursor::whatsThisCursor();
01255 break;
01256 case CURSOR_DEFAULT:
01257 break;
01258 }
01259
01260 if ( viewport()->cursor().handle() != c.handle() ) {
01261 if( c.handle() == KCursor::arrowCursor().handle()) {
01262 for (KHTMLPart* p = m_part; p; p = p->parentPart())
01263 p->view()->viewport()->unsetCursor();
01264 }
01265 else {
01266 viewport()->setCursor( c );
01267 }
01268 }
01269
01270 if ( ( mailtoCursor || newWindowCursor ) && isVisible() && hasFocus() ) {
01271 #ifdef Q_WS_X11
01272 QPixmap icon_pixmap = KGlobal::iconLoader()->loadIcon( mailtoCursor ? "mail_generic" : "window_new", KIcon::Small, 0, KIcon::DefaultState, 0, true );
01273
01274 if (d->cursor_icon_widget) {
01275 const QPixmap *pm = d->cursor_icon_widget->backgroundPixmap();
01276 if (!pm || pm->serialNumber()!=icon_pixmap.serialNumber()) {
01277 delete d->cursor_icon_widget;
01278 d->cursor_icon_widget = 0;
01279 }
01280 }
01281
01282 if( !d->cursor_icon_widget ) {
01283 d->cursor_icon_widget = new QWidget( NULL, NULL, WX11BypassWM );
01284 XSetWindowAttributes attr;
01285 attr.save_under = True;
01286 XChangeWindowAttributes( qt_xdisplay(), d->cursor_icon_widget->winId(), CWSaveUnder, &attr );
01287 d->cursor_icon_widget->resize( icon_pixmap.width(), icon_pixmap.height());
01288 if( icon_pixmap.mask() )
01289 d->cursor_icon_widget->setMask( *icon_pixmap.mask());
01290 else
01291 d->cursor_icon_widget->clearMask();
01292 d->cursor_icon_widget->setBackgroundPixmap( icon_pixmap );
01293 d->cursor_icon_widget->erase();
01294 }
01295 QPoint c_pos = QCursor::pos();
01296 d->cursor_icon_widget->move( c_pos.x() + 15, c_pos.y() + 15 );
01297 XRaiseWindow( qt_xdisplay(), d->cursor_icon_widget->winId());
01298 QApplication::flushX();
01299 d->cursor_icon_widget->show();
01300 #endif
01301 }
01302 else if ( d->cursor_icon_widget )
01303 d->cursor_icon_widget->hide();
01304
01305 if (r && r->isWidget()) {
01306 _mouse->ignore();
01307 }
01308
01309
01310 d->prevMouseX = xm;
01311 d->prevMouseY = ym;
01312
01313 if (!swallowEvent) {
01314 khtml::MouseMoveEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01315 QApplication::sendEvent( m_part, &event );
01316 }
01317 }
01318
01319 void KHTMLView::viewportMouseReleaseEvent( QMouseEvent * _mouse )
01320 {
01321 bool swallowEvent = false;
01322 int xm, ym;
01323 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01324 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseRelease );
01325
01326 if ( m_part->xmlDocImpl() )
01327 {
01328 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
01329
01330 swallowEvent = dispatchMouseEvent(EventImpl::MOUSEUP_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01331 d->clickCount,_mouse,false,DOM::NodeImpl::MouseRelease);
01332
01333 if (d->clickCount > 0 &&
01334 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= QApplication::startDragDistance()) {
01335 QMouseEvent me(d->isDoubleClick ? QEvent::MouseButtonDblClick : QEvent::MouseButtonRelease,
01336 _mouse->pos(), _mouse->button(), _mouse->state());
01337 dispatchMouseEvent(EventImpl::CLICK_EVENT, mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01338 d->clickCount, &me, true, DOM::NodeImpl::MouseRelease);
01339 }
01340
01341 DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode();
01342 if (fn && fn != mev.innerNode.handle() &&
01343 fn->renderer() && fn->renderer()->isWidget() &&
01344 _mouse->button() != MidButton) {
01345 forwardPeripheralEvent(static_cast<khtml::RenderWidget*>(fn->renderer()), _mouse, xm, ym);
01346 }
01347
01348 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01349 if (r && r->isWidget())
01350 _mouse->ignore();
01351 }
01352
01353 if (!swallowEvent) {
01354 khtml::MouseReleaseEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01355 QApplication::sendEvent( m_part, &event );
01356 }
01357 }
01358
01359
01360 bool KHTMLView::dispatchKeyEvent( QKeyEvent *_ke )
01361 {
01362 if (!m_part->xmlDocImpl())
01363 return false;
01364
01365
01366
01367
01368
01369
01370
01371
01372
01373
01374
01375
01376
01377
01378
01379
01380
01381
01382
01383
01384 if( _ke == d->postponed_autorepeat )
01385 {
01386 return false;
01387 }
01388
01389 if( _ke->type() == QEvent::KeyPress )
01390 {
01391 if( !_ke->isAutoRepeat())
01392 {
01393 bool ret = dispatchKeyEventHelper( _ke, false );
01394
01395 if( !ret && dispatchKeyEventHelper( _ke, true ))
01396 ret = true;
01397 return ret;
01398 }
01399 else
01400 {
01401 bool ret = dispatchKeyEventHelper( _ke, true );
01402 if( !ret && d->postponed_autorepeat )
01403 keyPressEvent( d->postponed_autorepeat );
01404 delete d->postponed_autorepeat;
01405 d->postponed_autorepeat = NULL;
01406 return ret;
01407 }
01408 }
01409 else
01410 {
01411
01412
01413 if ( d->postponed_autorepeat ) {
01414 delete d->postponed_autorepeat;
01415 d->postponed_autorepeat = 0;
01416 }
01417
01418 if( !_ke->isAutoRepeat()) {
01419 return dispatchKeyEventHelper( _ke, false );
01420 }
01421 else
01422 {
01423 d->postponed_autorepeat = new QKeyEvent( _ke->type(), _ke->key(), _ke->ascii(), _ke->state(),
01424 _ke->text(), _ke->isAutoRepeat(), _ke->count());
01425 if( _ke->isAccepted())
01426 d->postponed_autorepeat->accept();
01427 else
01428 d->postponed_autorepeat->ignore();
01429 return true;
01430 }
01431 }
01432 }
01433
01434
01435 bool KHTMLView::dispatchKeyEventHelper( QKeyEvent *_ke, bool keypress )
01436 {
01437 DOM::NodeImpl* keyNode = m_part->xmlDocImpl()->focusNode();
01438 if (keyNode) {
01439 return keyNode->dispatchKeyEvent(_ke, keypress);
01440 } else {
01441 return m_part->xmlDocImpl()->dispatchKeyEvent(_ke, keypress);
01442 }
01443 }
01444
01445 void KHTMLView::keyPressEvent( QKeyEvent *_ke )
01446 {
01447 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01448 if(d->typeAheadActivated)
01449 {
01450
01451 if(_ke->key() == Key_BackSpace)
01452 {
01453 d->findString = d->findString.left(d->findString.length() - 1);
01454
01455 if(!d->findString.isEmpty())
01456 {
01457 findAhead(false);
01458 }
01459 else
01460 {
01461 findTimeout();
01462 }
01463
01464 d->timer.start(3000, true);
01465 _ke->accept();
01466 return;
01467 }
01468 else if(_ke->key() == Key_Escape)
01469 {
01470 findTimeout();
01471
01472 _ke->accept();
01473 return;
01474 }
01475 else if(_ke->key() == Key_Space || !_ke->text().stripWhiteSpace().isEmpty())
01476 {
01477 d->findString += _ke->text();
01478
01479 findAhead(true);
01480
01481 d->timer.start(3000, true);
01482 _ke->accept();
01483 return;
01484 }
01485 }
01486 #endif // KHTML_NO_TYPE_AHEAD_FIND
01487
01488 #ifndef KHTML_NO_CARET
01489 if (m_part->isEditable() || m_part->isCaretMode()
01490 || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode()
01491 && m_part->xmlDocImpl()->focusNode()->contentEditable())) {
01492 d->caretViewContext()->keyReleasePending = true;
01493 caretKeyPressEvent(_ke);
01494 return;
01495 }
01496 #endif // KHTML_NO_CARET
01497
01498
01499 if (d->accessKeysEnabled && _ke->key() == Key_Control && _ke->state()==0 && !d->accessKeysActivated)
01500 {
01501 d->accessKeysPreActivate=true;
01502 _ke->accept();
01503 return;
01504 }
01505
01506 if (_ke->key() == Key_Shift && _ke->state()==0)
01507 d->scrollSuspendPreActivate=true;
01508
01509
01510
01511
01512 if (d->accessKeysEnabled && d->accessKeysActivated)
01513 {
01514 int state = ( _ke->state() & ( ShiftButton | ControlButton | AltButton | MetaButton ));
01515 if ( state==0 || state==ShiftButton) {
01516 if (_ke->key() != Key_Shift) accessKeysTimeout();
01517 handleAccessKey( _ke );
01518 _ke->accept();
01519 return;
01520 }
01521 accessKeysTimeout();
01522 }
01523
01524 if ( dispatchKeyEvent( _ke )) {
01525
01526 _ke->accept();
01527 return;
01528 }
01529
01530 int offs = (clipper()->height() < 30) ? clipper()->height() : 30;
01531 if (_ke->state() & Qt::ShiftButton)
01532 switch(_ke->key())
01533 {
01534 case Key_Space:
01535 scrollBy( 0, -clipper()->height() + offs );
01536 if(d->scrollSuspended)
01537 d->newScrollTimer(this, 0);
01538 break;
01539
01540 case Key_Down:
01541 case Key_J:
01542 d->adjustScroller(this, KHTMLViewPrivate::ScrollDown, KHTMLViewPrivate::ScrollUp);
01543 break;
01544
01545 case Key_Up:
01546 case Key_K:
01547 d->adjustScroller(this, KHTMLViewPrivate::ScrollUp, KHTMLViewPrivate::ScrollDown);
01548 break;
01549
01550 case Key_Left:
01551 case Key_H:
01552 d->adjustScroller(this, KHTMLViewPrivate::ScrollLeft, KHTMLViewPrivate::ScrollRight);
01553 break;
01554
01555 case Key_Right:
01556 case Key_L:
01557 d->adjustScroller(this, KHTMLViewPrivate::ScrollRight, KHTMLViewPrivate::ScrollLeft);
01558 break;
01559 }
01560 else
01561 switch ( _ke->key() )
01562 {
01563 case Key_Down:
01564 case Key_J:
01565 if (!d->scrollTimerId || d->scrollSuspended)
01566 scrollBy( 0, 10 );
01567 if (d->scrollTimerId)
01568 d->newScrollTimer(this, 0);
01569 break;
01570
01571 case Key_Space:
01572 case Key_Next:
01573 scrollBy( 0, clipper()->height() - offs );
01574 if(d->scrollSuspended)
01575 d->newScrollTimer(this, 0);
01576 break;
01577
01578 case Key_Up:
01579 case Key_K:
01580 if (!d->scrollTimerId || d->scrollSuspended)
01581 scrollBy( 0, -10 );
01582 if (d->scrollTimerId)
01583 d->newScrollTimer(this, 0);
01584 break;
01585
01586 case Key_Prior:
01587 scrollBy( 0, -clipper()->height() + offs );
01588 if(d->scrollSuspended)
01589 d->newScrollTimer(this, 0);
01590 break;
01591 case Key_Right:
01592 case Key_L:
01593 if (!d->scrollTimerId || d->scrollSuspended)
01594 scrollBy( 10, 0 );
01595 if (d->scrollTimerId)
01596 d->newScrollTimer(this, 0);
01597 break;
01598 case Key_Left:
01599 case Key_H:
01600 if (!d->scrollTimerId || d->scrollSuspended)
01601 scrollBy( -10, 0 );
01602 if (d->scrollTimerId)
01603 d->newScrollTimer(this, 0);
01604 break;
01605 case Key_Enter:
01606 case Key_Return:
01607
01608
01609 if (m_part->xmlDocImpl()) {
01610 NodeImpl *n = m_part->xmlDocImpl()->focusNode();
01611 if (n)
01612 n->setActive();
01613 }
01614 break;
01615 case Key_Home:
01616 setContentsPos( 0, 0 );
01617 if(d->scrollSuspended)
01618 d->newScrollTimer(this, 0);
01619 break;
01620 case Key_End:
01621 setContentsPos( 0, contentsHeight() - visibleHeight() );
01622 if(d->scrollSuspended)
01623 d->newScrollTimer(this, 0);
01624 break;
01625 case Key_Shift:
01626
01627 _ke->ignore();
01628 return;
01629 default:
01630 if (d->scrollTimerId)
01631 d->newScrollTimer(this, 0);
01632 _ke->ignore();
01633 return;
01634 }
01635
01636 _ke->accept();
01637 }
01638
01639 void KHTMLView::findTimeout()
01640 {
01641 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01642 d->typeAheadActivated = false;
01643 d->findString = "";
01644 m_part->setStatusBarText(i18n("Find stopped."), KHTMLPart::BarDefaultText);
01645 m_part->enableFindAheadActions( true );
01646 #endif // KHTML_NO_TYPE_AHEAD_FIND
01647 }
01648
01649 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01650 void KHTMLView::startFindAhead( bool linksOnly )
01651 {
01652 if( linksOnly )
01653 {
01654 d->findLinksOnly = true;
01655 m_part->setStatusBarText(i18n("Starting -- find links as you type"),
01656 KHTMLPart::BarDefaultText);
01657 }
01658 else
01659 {
01660 d->findLinksOnly = false;
01661 m_part->setStatusBarText(i18n("Starting -- find text as you type"),
01662 KHTMLPart::BarDefaultText);
01663 }
01664
01665 m_part->findTextBegin();
01666 d->typeAheadActivated = true;
01667
01668 m_part->enableFindAheadActions( false );
01669 d->timer.start(3000, true);
01670 }
01671
01672 void KHTMLView::findAhead(bool increase)
01673 {
01674 QString status;
01675
01676 if(d->findLinksOnly)
01677 {
01678 m_part->findText(d->findString, KHTMLPart::FindNoPopups |
01679 KHTMLPart::FindLinksOnly, this);
01680 if(m_part->findTextNext())
01681 {
01682 status = i18n("Link found: \"%1\".");
01683 }
01684 else
01685 {
01686 if(increase) KNotifyClient::beep();
01687 status = i18n("Link not found: \"%1\".");
01688 }
01689 }
01690 else
01691 {
01692 m_part->findText(d->findString, KHTMLPart::FindNoPopups, this);
01693 if(m_part->findTextNext())
01694 {
01695 status = i18n("Text found: \"%1\".");
01696 }
01697 else
01698 {
01699 if(increase) KNotifyClient::beep();
01700 status = i18n("Text not found: \"%1\".");
01701 }
01702 }
01703
01704 m_part->setStatusBarText(status.arg(d->findString.lower()),
01705 KHTMLPart::BarDefaultText);
01706 }
01707
01708 void KHTMLView::updateFindAheadTimeout()
01709 {
01710 if( d->typeAheadActivated )
01711 d->timer.start( 3000, true );
01712 }
01713
01714 #endif // KHTML_NO_TYPE_AHEAD_FIND
01715
01716 void KHTMLView::keyReleaseEvent(QKeyEvent *_ke)
01717 {
01718 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01719 if(d->typeAheadActivated) {
01720 _ke->accept();
01721 return;
01722 }
01723 #endif
01724 if (d->m_caretViewContext && d->m_caretViewContext->keyReleasePending) {
01725
01726 d->m_caretViewContext->keyReleasePending = false;
01727 return;
01728 }
01729
01730 if( d->scrollSuspendPreActivate && _ke->key() != Key_Shift )
01731 d->scrollSuspendPreActivate = false;
01732 if( _ke->key() == Key_Shift && d->scrollSuspendPreActivate && _ke->state() == Qt::ShiftButton
01733 && !(KApplication::keyboardMouseState() & Qt::ShiftButton))
01734 {
01735 if (d->scrollTimerId)
01736 {
01737 d->scrollSuspended = !d->scrollSuspended;
01738 #ifndef NO_SMOOTH_SCROLL_HACK
01739 if( d->scrollSuspended )
01740 stopScrolling();
01741 #endif
01742 }
01743 }
01744
01745 if (d->accessKeysEnabled)
01746 {
01747 if (d->accessKeysPreActivate && _ke->key() != Key_Control)
01748 d->accessKeysPreActivate=false;
01749 if (d->accessKeysPreActivate && _ke->state() == Qt::ControlButton && !(KApplication::keyboardMouseState() & Qt::ControlButton))
01750 {
01751 displayAccessKeys();
01752 m_part->setStatusBarText(i18n("Access Keys activated"),KHTMLPart::BarOverrideText);
01753 d->accessKeysActivated = true;
01754 d->accessKeysPreActivate = false;
01755 _ke->accept();
01756 return;
01757 }
01758 else if (d->accessKeysActivated)
01759 {
01760 accessKeysTimeout();
01761 _ke->accept();
01762 return;
01763 }
01764 }
01765
01766
01767 if ( dispatchKeyEvent( _ke ) )
01768 {
01769 _ke->accept();
01770 return;
01771 }
01772
01773 QScrollView::keyReleaseEvent(_ke);
01774 }
01775
01776 void KHTMLView::contentsContextMenuEvent ( QContextMenuEvent * )
01777 {
01778
01779 #if 0
01780 if (!m_part->xmlDocImpl()) return;
01781 int xm = _ce->x();
01782 int ym = _ce->y();
01783
01784 DOM::NodeImpl::MouseEvent mev( _ce->state(), DOM::NodeImpl::MouseMove );
01785 m_part->xmlDocImpl()->prepareMouseEvent( xm, ym, &mev );
01786
01787 NodeImpl *targetNode = mev.innerNode.handle();
01788 if (targetNode && targetNode->renderer() && targetNode->renderer()->isWidget()) {
01789 int absx = 0;
01790 int absy = 0;
01791 targetNode->renderer()->absolutePosition(absx,absy);
01792 QPoint pos(xm-absx,ym-absy);
01793
01794 QWidget *w = static_cast<RenderWidget*>(targetNode->renderer())->widget();
01795 QContextMenuEvent cme(_ce->reason(),pos,_ce->globalPos(),_ce->state());
01796 setIgnoreEvents(true);
01797 QApplication::sendEvent(w,&cme);
01798 setIgnoreEvents(false);
01799 }
01800 #endif
01801 }
01802
01803 bool KHTMLView::focusNextPrevChild( bool next )
01804 {
01805
01806 if (m_part->xmlDocImpl() && focusNextPrevNode(next))
01807 {
01808 if (m_part->xmlDocImpl()->focusNode())
01809 kdDebug() << "focusNode.name: "
01810 << m_part->xmlDocImpl()->focusNode()->nodeName().string() << endl;
01811 return true;
01812 }
01813
01814
01815 d->pseudoFocusNode = KHTMLViewPrivate::PFNone;
01816 if (m_part->parentPart() && m_part->parentPart()->view())
01817 return m_part->parentPart()->view()->focusNextPrevChild(next);
01818
01819 return QWidget::focusNextPrevChild(next);
01820 }
01821
01822 void KHTMLView::doAutoScroll()
01823 {
01824 QPoint pos = QCursor::pos();
01825 pos = viewport()->mapFromGlobal( pos );
01826
01827 int xm, ym;
01828 viewportToContents(pos.x(), pos.y(), xm, ym);
01829
01830 pos = QPoint(pos.x() - viewport()->x(), pos.y() - viewport()->y());
01831 if ( (pos.y() < 0) || (pos.y() > visibleHeight()) ||
01832 (pos.x() < 0) || (pos.x() > visibleWidth()) )
01833 {
01834 ensureVisible( xm, ym, 0, 5 );
01835
01836 #ifndef KHTML_NO_SELECTION
01837
01838 DOM::Node innerNode;
01839 if (m_part->isExtendingSelection()) {
01840 RenderObject::NodeInfo renderInfo(true, false);
01841 m_part->xmlDocImpl()->renderer()->layer()
01842 ->nodeAtPoint(renderInfo, xm, ym);
01843 innerNode = renderInfo.innerNode();
01844 }
01845
01846 if (innerNode.handle() && innerNode.handle()->renderer()) {
01847 int absX, absY;
01848 innerNode.handle()->renderer()->absolutePosition(absX, absY);
01849
01850 m_part->extendSelectionTo(xm, ym, absX, absY, innerNode);
01851 }
01852 #endif // KHTML_NO_SELECTION
01853 }
01854 }
01855
01856
01857 class HackWidget : public QWidget
01858 {
01859 public:
01860 inline void setNoErase() { setWFlags(getWFlags()|WRepaintNoErase); }
01861 };
01862
01863 bool KHTMLView::eventFilter(QObject *o, QEvent *e)
01864 {
01865 if ( e->type() == QEvent::AccelOverride ) {
01866 QKeyEvent* ke = (QKeyEvent*) e;
01867
01868 if (m_part->isEditable() || m_part->isCaretMode()
01869 || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode()
01870 && m_part->xmlDocImpl()->focusNode()->contentEditable())) {
01871
01872 if ( (ke->state() & ControlButton) || (ke->state() & ShiftButton) ) {
01873 switch ( ke->key() ) {
01874 case Key_Left:
01875 case Key_Right:
01876 case Key_Up:
01877 case Key_Down:
01878 case Key_Home:
01879 case Key_End:
01880 ke->accept();
01881
01882 return true;
01883 default:
01884 break;
01885 }
01886 }
01887 }
01888 }
01889
01890 if ( e->type() == QEvent::Leave ) {
01891 if ( d->cursor_icon_widget )
01892 d->cursor_icon_widget->hide();
01893 m_part->resetHoverText();
01894 }
01895
01896 QWidget *view = viewport();
01897
01898 if (o == view) {
01899
01900
01901 if(e->type() == QEvent::ChildInserted) {
01902 QObject *c = static_cast<QChildEvent *>(e)->child();
01903 if (c->isWidgetType()) {
01904 QWidget *w = static_cast<QWidget *>(c);
01905
01906 if (w->parentWidget(true) == view) {
01907 if (!strcmp(w->name(), "__khtml")) {
01908 w->installEventFilter(this);
01909 w->unsetCursor();
01910 if (!::qt_cast<QFrame*>(w))
01911 w->setBackgroundMode( QWidget::NoBackground );
01912 static_cast<HackWidget *>(w)->setNoErase();
01913 if (w->children()) {
01914 QObjectListIterator it(*w->children());
01915 for (; it.current(); ++it) {
01916 QWidget *widget = ::qt_cast<QWidget *>(it.current());
01917 if (widget && !widget->isTopLevel()) {
01918 if (!::qt_cast<QFrame*>(w))
01919 widget->setBackgroundMode( QWidget::NoBackground );
01920 static_cast<HackWidget *>(widget)->setNoErase();
01921 widget->installEventFilter(this);
01922 }
01923 }
01924 }
01925 }
01926 }
01927 }
01928 }
01929 } else if (o->isWidgetType()) {
01930 QWidget *v = static_cast<QWidget *>(o);
01931 QWidget *c = v;
01932 while (v && v != view) {
01933 c = v;
01934 v = v->parentWidget(true);
01935 }
01936
01937 if (v && !strcmp(c->name(), "__khtml")) {
01938 bool block = false;
01939 QWidget *w = static_cast<QWidget *>(o);
01940 switch(e->type()) {
01941 case QEvent::Paint:
01942 if (!allowWidgetPaintEvents) {
01943
01944
01945 block = true;
01946 int x = 0, y = 0;
01947 QWidget *v = w;
01948 while (v && v != view) {
01949 x += v->x();
01950 y += v->y();
01951 v = v->parentWidget();
01952 }
01953 viewportToContents( x, y, x, y );
01954 QPaintEvent *pe = static_cast<QPaintEvent *>(e);
01955 bool asap = !d->contentsMoving && ::qt_cast<QScrollView *>(c);
01956
01957
01958 if ( asap && !d->painting && m_part->xmlDocImpl() && m_part->xmlDocImpl()->renderer() &&
01959 !static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer())->needsLayout() ) {
01960 repaintContents(x + pe->rect().x(), y + pe->rect().y(),
01961 pe->rect().width(), pe->rect().height(), true);
01962 } else {
01963 scheduleRepaint(x + pe->rect().x(), y + pe->rect().y(),
01964 pe->rect().width(), pe->rect().height(), asap);
01965 }
01966 }
01967 break;
01968 case QEvent::MouseMove:
01969 case QEvent::MouseButtonPress:
01970 case QEvent::MouseButtonRelease:
01971 case QEvent::MouseButtonDblClick: {
01972 if ( (w->parentWidget() == view || ::qt_cast<QScrollView*>(c)) && !::qt_cast<QScrollBar *>(w)) {
01973 QMouseEvent *me = static_cast<QMouseEvent *>(e);
01974 QPoint pt = w->mapTo( view, me->pos());
01975 QMouseEvent me2(me->type(), pt, me->button(), me->state());
01976
01977 if (e->type() == QEvent::MouseMove)
01978 viewportMouseMoveEvent(&me2);
01979 else if(e->type() == QEvent::MouseButtonPress)
01980 viewportMousePressEvent(&me2);
01981 else if(e->type() == QEvent::MouseButtonRelease)
01982 viewportMouseReleaseEvent(&me2);
01983 else
01984 viewportMouseDoubleClickEvent(&me2);
01985 block = true;
01986 }
01987 break;
01988 }
01989 case QEvent::KeyPress:
01990 case QEvent::KeyRelease:
01991 if (w->parentWidget() == view && !::qt_cast<QScrollBar *>(w)) {
01992 QKeyEvent *ke = static_cast<QKeyEvent *>(e);
01993 if (e->type() == QEvent::KeyPress)
01994 keyPressEvent(ke);
01995 else
01996 keyReleaseEvent(ke);
01997 block = true;
01998 }
01999 default:
02000 break;
02001 }
02002 if (block) {
02003
02004 return true;
02005 }
02006 }
02007 }
02008
02009
02010 return QScrollView::eventFilter(o, e);
02011 }
02012
02013
02014 DOM::NodeImpl *KHTMLView::nodeUnderMouse() const
02015 {
02016 return d->underMouse;
02017 }
02018
02019 DOM::NodeImpl *KHTMLView::nonSharedNodeUnderMouse() const
02020 {
02021 return d->underMouseNonShared;
02022 }
02023
02024 bool KHTMLView::scrollTo(const QRect &bounds)
02025 {
02026 d->scrollingSelf = true;
02027
02028 int x, y, xe, ye;
02029 x = bounds.left();
02030 y = bounds.top();
02031 xe = bounds.right();
02032 ye = bounds.bottom();
02033
02034
02035
02036 int deltax;
02037 int deltay;
02038
02039 int curHeight = visibleHeight();
02040 int curWidth = visibleWidth();
02041
02042 if (ye-y>curHeight-d->borderY)
02043 ye = y + curHeight - d->borderY;
02044
02045 if (xe-x>curWidth-d->borderX)
02046 xe = x + curWidth - d->borderX;
02047
02048
02049 if (x < contentsX() + d->borderX )
02050 deltax = x - contentsX() - d->borderX;
02051
02052 else if (xe + d->borderX > contentsX() + curWidth)
02053 deltax = xe + d->borderX - ( contentsX() + curWidth );
02054 else
02055 deltax = 0;
02056
02057
02058 if (y < contentsY() + d->borderY)
02059 deltay = y - contentsY() - d->borderY;
02060
02061 else if (ye + d->borderY > contentsY() + curHeight)
02062 deltay = ye + d->borderY - ( contentsY() + curHeight );
02063 else
02064 deltay = 0;
02065
02066 int maxx = curWidth-d->borderX;
02067 int maxy = curHeight-d->borderY;
02068
02069 int scrollX,scrollY;
02070
02071 scrollX = deltax > 0 ? (deltax > maxx ? maxx : deltax) : deltax == 0 ? 0 : (deltax>-maxx ? deltax : -maxx);
02072 scrollY = deltay > 0 ? (deltay > maxy ? maxy : deltay) : deltay == 0 ? 0 : (deltay>-maxy ? deltay : -maxy);
02073
02074 if (contentsX() + scrollX < 0)
02075 scrollX = -contentsX();
02076 else if (contentsWidth() - visibleWidth() - contentsX() < scrollX)
02077 scrollX = contentsWidth() - visibleWidth() - contentsX();
02078
02079 if (contentsY() + scrollY < 0)
02080 scrollY = -contentsY();
02081 else if (contentsHeight() - visibleHeight() - contentsY() < scrollY)
02082 scrollY = contentsHeight() - visibleHeight() - contentsY();
02083
02084 scrollBy(scrollX, scrollY);
02085
02086 d->scrollingSelf = false;
02087
02088 if ( (abs(deltax)<=maxx) && (abs(deltay)<=maxy) )
02089 return true;
02090 else return false;
02091
02092 }
02093
02094 bool KHTMLView::focusNextPrevNode(bool next)
02095 {
02096
02097
02098
02099
02100
02101
02102
02103 DocumentImpl *doc = m_part->xmlDocImpl();
02104 NodeImpl *oldFocusNode = doc->focusNode();
02105
02106
02107
02108
02109 if (oldFocusNode && oldFocusNode->renderer() &&
02110 !oldFocusNode->renderer()->parent()) {
02111 doc->setFocusNode(0);
02112 return true;
02113 }
02114
02115 #if 1
02116
02117
02118
02119 if (d->scrollBarMoved)
02120 {
02121 NodeImpl *toFocus;
02122 if (next)
02123 toFocus = doc->nextFocusNode(oldFocusNode);
02124 else
02125 toFocus = doc->previousFocusNode(oldFocusNode);
02126
02127 if (!toFocus && oldFocusNode)
02128 if (next)
02129 toFocus = doc->nextFocusNode(NULL);
02130 else
02131 toFocus = doc->previousFocusNode(NULL);
02132
02133 while (toFocus && toFocus != oldFocusNode)
02134 {
02135
02136 QRect focusNodeRect = toFocus->getRect();
02137 if ((focusNodeRect.left() > contentsX()) && (focusNodeRect.right() < contentsX() + visibleWidth()) &&
02138 (focusNodeRect.top() > contentsY()) && (focusNodeRect.bottom() < contentsY() + visibleHeight())) {
02139 {
02140 QRect r = toFocus->getRect();
02141 ensureVisible( r.right(), r.bottom());
02142 ensureVisible( r.left(), r.top());
02143 d->scrollBarMoved = false;
02144 d->tabMovePending = false;
02145 d->lastTabbingDirection = next;
02146 d->pseudoFocusNode = KHTMLViewPrivate::PFNone;
02147 m_part->xmlDocImpl()->setFocusNode(toFocus);
02148 Node guard(toFocus);
02149 if (!toFocus->hasOneRef() )
02150 {
02151 emit m_part->nodeActivated(Node(toFocus));
02152 }
02153 return true;
02154 }
02155 }
02156 if (next)
02157 toFocus = doc->nextFocusNode(toFocus);
02158 else
02159 toFocus = doc->previousFocusNode(toFocus);
02160
02161 if (!toFocus && oldFocusNode)
02162 if (next)
02163 toFocus = doc->nextFocusNode(NULL);
02164 else
02165 toFocus = doc->previousFocusNode(NULL);
02166 }
02167
02168 d->scrollBarMoved = false;
02169 }
02170 #endif
02171
02172 if (!oldFocusNode && d->pseudoFocusNode == KHTMLViewPrivate::PFNone)
02173 {
02174 ensureVisible(contentsX(), next?0:contentsHeight());
02175 d->scrollBarMoved = false;
02176 d->pseudoFocusNode = next?KHTMLViewPrivate::PFTop:KHTMLViewPrivate::PFBottom;
02177 return true;
02178 }
02179
02180 NodeImpl *newFocusNode = NULL;
02181
02182 if (d->tabMovePending && next != d->lastTabbingDirection)
02183 {
02184
02185 newFocusNode = oldFocusNode;
02186 }
02187 else if (next)
02188 {
02189 if (oldFocusNode || d->pseudoFocusNode == KHTMLViewPrivate::PFTop )
02190 newFocusNode = doc->nextFocusNode(oldFocusNode);
02191 }
02192 else
02193 {
02194 if (oldFocusNode || d->pseudoFocusNode == KHTMLViewPrivate::PFBottom )
02195 newFocusNode = doc->previousFocusNode(oldFocusNode);
02196 }
02197
02198 bool targetVisible = false;
02199 if (!newFocusNode)
02200 {
02201 if ( next )
02202 {
02203 targetVisible = scrollTo(QRect(contentsX()+visibleWidth()/2,contentsHeight()-d->borderY,0,0));
02204 }
02205 else
02206 {
02207 targetVisible = scrollTo(QRect(contentsX()+visibleWidth()/2,d->borderY,0,0));
02208 }
02209 }
02210 else
02211 {
02212 #ifndef KHTML_NO_CARET
02213
02214 if (!m_part->isCaretMode() && !m_part->isEditable()
02215 && newFocusNode->contentEditable()) {
02216 d->caretViewContext();
02217 moveCaretTo(newFocusNode, 0L, true);
02218 } else {
02219 caretOff();
02220 }
02221 #endif // KHTML_NO_CARET
02222
02223 targetVisible = scrollTo(newFocusNode->getRect());
02224 }
02225
02226 if (targetVisible)
02227 {
02228
02229 d->tabMovePending = false;
02230
02231 m_part->xmlDocImpl()->setFocusNode(newFocusNode);
02232 if (newFocusNode)
02233 {
02234 Node guard(newFocusNode);
02235 if (!newFocusNode->hasOneRef() )
02236 {
02237 emit m_part->nodeActivated(Node(newFocusNode));
02238 }
02239 return true;
02240 }
02241 else
02242 {
02243 d->pseudoFocusNode = next?KHTMLViewPrivate::PFBottom:KHTMLViewPrivate::PFTop;
02244 return false;
02245 }
02246 }
02247 else
02248 {
02249 if (!d->tabMovePending)
02250 d->lastTabbingDirection = next;
02251 d->tabMovePending = true;
02252 return true;
02253 }
02254 }
02255
02256 void KHTMLView::displayAccessKeys()
02257 {
02258 QValueVector< QChar > taken;
02259 displayAccessKeys( NULL, this, taken, false );
02260 displayAccessKeys( NULL, this, taken, true );
02261 }
02262
02263 void KHTMLView::displayAccessKeys( KHTMLView* caller, KHTMLView* origview, QValueVector< QChar >& taken, bool use_fallbacks )
02264 {
02265 QMap< ElementImpl*, QChar > fallbacks;
02266 if( use_fallbacks )
02267 fallbacks = buildFallbackAccessKeys();
02268 for( NodeImpl* n = m_part->xmlDocImpl(); n != NULL; n = n->traverseNextNode()) {
02269 if( n->isElementNode()) {
02270 ElementImpl* en = static_cast< ElementImpl* >( n );
02271 DOMString s = en->getAttribute( ATTR_ACCESSKEY );
02272 QString accesskey;
02273 if( s.length() == 1 ) {
02274 QChar a = s.string()[ 0 ].upper();
02275 if( qFind( taken.begin(), taken.end(), a ) == taken.end())
02276 accesskey = a;
02277 }
02278 if( accesskey.isNull() && fallbacks.contains( en )) {
02279 QChar a = fallbacks[ en ].upper();
02280 if( qFind( taken.begin(), taken.end(), a ) == taken.end())
02281 accesskey = QString( "<qt><i>" ) + a + "</i></qt>";
02282 }
02283 if( !accesskey.isNull()) {
02284 QRect rec=en->getRect();
02285 QLabel *lab=new QLabel(accesskey,viewport(),0,Qt::WDestructiveClose);
02286 connect( origview, SIGNAL(hideAccessKeys()), lab, SLOT(close()) );
02287 connect( this, SIGNAL(repaintAccessKeys()), lab, SLOT(repaint()));
02288 lab->setPalette(QToolTip::palette());
02289 lab->setLineWidth(2);
02290 lab->setFrameStyle(QFrame::Box | QFrame::Plain);
02291 lab->setMargin(3);
02292 lab->adjustSize();
02293 addChild(lab,
02294 KMIN(rec.left()+rec.width()/2, contentsWidth() - lab->width()),
02295 KMIN(rec.top()+rec.height()/2, contentsHeight() - lab->height()));
02296 showChild(lab);
02297 taken.append( accesskey[ 0 ] );
02298 }
02299 }
02300 }
02301 if( use_fallbacks )
02302 return;
02303 QPtrList<KParts::ReadOnlyPart> frames = m_part->frames();
02304 for( QPtrListIterator<KParts::ReadOnlyPart> it( frames );
02305 it != NULL;
02306 ++it ) {
02307 if( !(*it)->inherits( "KHTMLPart" ))
02308 continue;
02309 KHTMLPart* part = static_cast< KHTMLPart* >( *it );
02310 if( part->view() && part->view() != caller )
02311 part->view()->displayAccessKeys( this, origview, taken, use_fallbacks );
02312 }
02313
02314 if (m_part->parentPart() && m_part->parentPart()->view()
02315 && m_part->parentPart()->view() != caller)
02316 m_part->parentPart()->view()->displayAccessKeys( this, origview, taken, use_fallbacks );
02317 }
02318
02319
02320
02321 void KHTMLView::accessKeysTimeout()
02322 {
02323 d->accessKeysActivated=false;
02324 d->accessKeysPreActivate = false;
02325 m_part->setStatusBarText(QString::null, KHTMLPart::BarOverrideText);
02326 emit hideAccessKeys();
02327 }
02328
02329
02330 bool KHTMLView::handleAccessKey( const QKeyEvent* ev )
02331 {
02332
02333
02334 QChar c;
02335 if( ev->key() >= Key_A && ev->key() <= Key_Z )
02336 c = 'A' + ev->key() - Key_A;
02337 else if( ev->key() >= Key_0 && ev->key() <= Key_9 )
02338 c = '0' + ev->key() - Key_0;
02339 else {
02340
02341
02342 if( ev->text().length() == 1 )
02343 c = ev->text()[ 0 ];
02344 }
02345 if( c.isNull())
02346 return false;
02347 return focusNodeWithAccessKey( c );
02348 }
02349
02350 bool KHTMLView::focusNodeWithAccessKey( QChar c, KHTMLView* caller )
02351 {
02352 DocumentImpl *doc = m_part->xmlDocImpl();
02353 if( !doc )
02354 return false;
02355 ElementImpl* node = doc->findAccessKeyElement( c );
02356 if( !node ) {
02357 QPtrList<KParts::ReadOnlyPart> frames = m_part->frames();
02358 for( QPtrListIterator<KParts::ReadOnlyPart> it( frames );
02359 it != NULL;
02360 ++it ) {
02361 if( !(*it)->inherits( "KHTMLPart" ))
02362 continue;
02363 KHTMLPart* part = static_cast< KHTMLPart* >( *it );
02364 if( part->view() && part->view() != caller
02365 && part->view()->focusNodeWithAccessKey( c, this ))
02366 return true;
02367 }
02368
02369 if (m_part->parentPart() && m_part->parentPart()->view()
02370 && m_part->parentPart()->view() != caller
02371 && m_part->parentPart()->view()->focusNodeWithAccessKey( c, this ))
02372 return true;
02373 if( caller == NULL ) {
02374 QMap< ElementImpl*, QChar > fallbacks = buildFallbackAccessKeys();
02375 for( QMap< ElementImpl*, QChar >::ConstIterator it = fallbacks.begin();
02376 it != fallbacks.end();
02377 ++it )
02378 if( *it == c ) {
02379 node = it.key();
02380 break;
02381 }
02382 }
02383 if( node == NULL )
02384 return false;
02385 }
02386
02387
02388 #ifndef KHTML_NO_CARET
02389
02390 if (!m_part->isCaretMode() && !m_part->isEditable()
02391 && node->contentEditable()) {
02392 d->caretViewContext();
02393 moveCaretTo(node, 0L, true);
02394 } else {
02395 caretOff();
02396 }
02397 #endif // KHTML_NO_CARET
02398
02399 QRect r = node->getRect();
02400 ensureVisible( r.right(), r.bottom());
02401 ensureVisible( r.left(), r.top());
02402
02403 Node guard( node );
02404 if( node->isFocusable()) {
02405 if (node->id()==ID_LABEL) {
02406
02407 node=static_cast<ElementImpl *>(static_cast< HTMLLabelElementImpl* >( node )->getFormElement());
02408 if (!node) return true;
02409 guard = node;
02410 }
02411
02412 QFocusEvent::setReason( QFocusEvent::Shortcut );
02413 m_part->xmlDocImpl()->setFocusNode(node);
02414 QFocusEvent::resetReason();
02415 if( node != NULL && node->hasOneRef())
02416 return true;
02417 emit m_part->nodeActivated(Node(node));
02418 if( node != NULL && node->hasOneRef())
02419 return true;
02420 }
02421
02422 switch( node->id()) {
02423 case ID_A:
02424 static_cast< HTMLAnchorElementImpl* >( node )->click();
02425 break;
02426 case ID_INPUT:
02427 static_cast< HTMLInputElementImpl* >( node )->click();
02428 break;
02429 case ID_BUTTON:
02430 static_cast< HTMLButtonElementImpl* >( node )->click();
02431 break;
02432 case ID_AREA:
02433 static_cast< HTMLAreaElementImpl* >( node )->click();
02434 break;
02435 case ID_TEXTAREA:
02436 break;
02437 case ID_LEGEND:
02438
02439 break;
02440 }
02441 return true;
02442 }
02443
02444 static QString getElementText( NodeImpl* start, bool after )
02445 {
02446 QString ret;
02447 for( NodeImpl* n = after ? start->nextSibling() : start->traversePreviousNode();
02448 n != NULL;
02449 n = after ? n->traverseNextNode() : n->traversePreviousNode()) {
02450 if( n->isTextNode()) {
02451 if( after )
02452 ret += static_cast< TextImpl* >( n )->toString().string();
02453 else
02454 ret.prepend( static_cast< TextImpl* >( n )->toString().string());
02455 } else {
02456 switch( n->id()) {
02457 case ID_A:
02458 case ID_FONT:
02459 case ID_TT:
02460 case ID_U:
02461 case ID_B:
02462 case ID_I:
02463 case ID_S:
02464 case ID_STRIKE:
02465 case ID_BIG:
02466 case ID_SMALL:
02467 case ID_EM:
02468 case ID_STRONG:
02469 case ID_DFN:
02470 case ID_CODE:
02471 case ID_SAMP:
02472 case ID_KBD:
02473 case ID_VAR:
02474 case ID_CITE:
02475 case ID_ABBR:
02476 case ID_ACRONYM:
02477 case ID_SUB:
02478 case ID_SUP:
02479 case ID_SPAN:
02480 case ID_NOBR:
02481 case ID_WBR:
02482 break;
02483 case ID_TD:
02484 if( ret.stripWhiteSpace().isEmpty())
02485 break;
02486
02487 default:
02488 return ret.simplifyWhiteSpace();
02489 }
02490 }
02491 }
02492 return ret.simplifyWhiteSpace();
02493 }
02494
02495 static QMap< NodeImpl*, QString > buildLabels( NodeImpl* start )
02496 {
02497 QMap< NodeImpl*, QString > ret;
02498 for( NodeImpl* n = start;
02499 n != NULL;
02500 n = n->traverseNextNode()) {
02501 if( n->id() == ID_LABEL ) {
02502 HTMLLabelElementImpl* label = static_cast< HTMLLabelElementImpl* >( n );
02503 NodeImpl* labelfor = label->getFormElement();
02504 if( labelfor )
02505 ret[ labelfor ] = label->innerText().string().simplifyWhiteSpace();
02506 }
02507 }
02508 return ret;
02509 }
02510
02511 namespace khtml {
02512 struct AccessKeyData {
02513 ElementImpl* element;
02514 QString text;
02515 QString url;
02516 int priority;
02517 };
02518 }
02519
02520 QMap< ElementImpl*, QChar > KHTMLView::buildFallbackAccessKeys() const
02521 {
02522
02523 QValueList< AccessKeyData > data;
02524 QMap< NodeImpl*, QString > labels = buildLabels( m_part->xmlDocImpl());
02525 for( NodeImpl* n = m_part->xmlDocImpl();
02526 n != NULL;
02527 n = n->traverseNextNode()) {
02528 if( n->isElementNode()) {
02529 ElementImpl* element = static_cast< ElementImpl* >( n );
02530 if( element->getAttribute( ATTR_ACCESSKEY ).length() == 1 )
02531 continue;
02532 if( element->renderer() == NULL )
02533 continue;
02534 QString text;
02535 QString url;
02536 int priority = 0;
02537 bool ignore = false;
02538 bool text_after = false;
02539 bool text_before = false;
02540 switch( element->id()) {
02541 case ID_A:
02542 url = khtml::parseURL(element->getAttribute(ATTR_HREF)).string();
02543 if( url.isEmpty())
02544 continue;
02545 text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace();
02546 priority = 2;
02547 break;
02548 case ID_INPUT: {
02549 HTMLInputElementImpl* in = static_cast< HTMLInputElementImpl* >( element );
02550 switch( in->inputType()) {
02551 case HTMLInputElementImpl::SUBMIT:
02552 text = in->value().string();
02553 if( text.isEmpty())
02554 text = i18n( "Submit" );
02555 priority = 7;
02556 break;
02557 case HTMLInputElementImpl::IMAGE:
02558 text = in->altText().string();
02559 priority = 7;
02560 break;
02561 case HTMLInputElementImpl::BUTTON:
02562 text = in->value().string();
02563 priority = 5;
02564 break;
02565 case HTMLInputElementImpl::RESET:
02566 text = in->value().string();
02567 if( text.isEmpty())
02568 text = i18n( "Reset" );
02569 priority = 5;
02570 break;
02571 case HTMLInputElementImpl::HIDDEN:
02572 ignore = true;
02573 break;
02574 case HTMLInputElementImpl::CHECKBOX:
02575 case HTMLInputElementImpl::RADIO:
02576 text_after = true;
02577 priority = 5;
02578 break;
02579 case HTMLInputElementImpl::TEXT:
02580 case HTMLInputElementImpl::PASSWORD:
02581 case HTMLInputElementImpl::FILE:
02582 text_before = true;
02583 priority = 5;
02584 break;
02585 default:
02586 priority = 5;
02587 break;
02588 }
02589 break;
02590 }
02591 case ID_BUTTON:
02592 text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace();
02593 switch( static_cast< HTMLButtonElementImpl* >( element )->buttonType()) {
02594 case HTMLButtonElementImpl::SUBMIT:
02595 if( text.isEmpty())
02596 text = i18n( "Submit" );
02597 priority = 7;
02598 break;
02599 case HTMLButtonElementImpl::RESET:
02600 if( text.isEmpty())
02601 text = i18n( "Reset" );
02602 priority = 5;
02603 break;
02604 default:
02605 priority = 5;
02606 break;
02607 break;
02608 }
02609 case ID_SELECT:
02610 text_before = true;
02611 text_after = true;
02612 priority = 5;
02613 break;
02614 case ID_FRAME:
02615 ignore = true;
02616 break;
02617 default:
02618 ignore = !element->isFocusable();
02619 priority = 2;
02620 break;
02621 }
02622 if( ignore )
02623 continue;
02624 if( text.isNull() && labels.contains( element ))
02625 text = labels[ element ];
02626 if( text.isNull() && text_before )
02627 text = getElementText( element, false );
02628 if( text.isNull() && text_after )
02629 text = getElementText( element, true );
02630 text = text.stripWhiteSpace();
02631
02632 QValueList< QPair< QString, QChar > > priorities
02633 = m_part->settings()->fallbackAccessKeysAssignments();
02634 for( QValueList< QPair< QString, QChar > >::ConstIterator it = priorities.begin();
02635 it != priorities.end();
02636 ++it ) {
02637 if( text == (*it).first )
02638 priority = 10;
02639 }
02640 AccessKeyData tmp = { element, text, url, priority };
02641 data.append( tmp );
02642 }
02643 }
02644
02645 QValueList< QChar > keys;
02646 for( char c = 'A'; c <= 'Z'; ++c )
02647 keys << c;
02648 for( char c = '0'; c <= '9'; ++c )
02649 keys << c;
02650 for( NodeImpl* n = m_part->xmlDocImpl();
02651 n != NULL;
02652 n = n->traverseNextNode()) {
02653 if( n->isElementNode()) {
02654 ElementImpl* en = static_cast< ElementImpl* >( n );
02655 DOMString s = en->getAttribute( ATTR_ACCESSKEY );
02656 if( s.length() == 1 ) {
02657 QChar c = s.string()[ 0 ].upper();
02658 keys.remove( c );
02659 }
02660 }
02661 }
02662
02663 QMap< ElementImpl*, QChar > ret;
02664 for( int priority = 10;
02665 priority >= 0;
02666 --priority ) {
02667 for( QValueList< AccessKeyData >::Iterator it = data.begin();
02668 it != data.end();
02669 ) {
02670 if( (*it).priority != priority ) {
02671 ++it;
02672 continue;
02673 }
02674 if( keys.isEmpty())
02675 break;
02676 QString text = (*it).text;
02677 QChar key;
02678 if( key.isNull() && !text.isEmpty()) {
02679 QValueList< QPair< QString, QChar > > priorities
02680 = m_part->settings()->fallbackAccessKeysAssignments();
02681 for( QValueList< QPair< QString, QChar > >::ConstIterator it = priorities.begin();
02682 it != priorities.end();
02683 ++it )
02684 if( text == (*it).first && keys.contains( (*it).second )) {
02685 key = (*it).second;
02686 break;
02687 }
02688 }
02689
02690
02691
02692 if( key.isNull() && !text.isEmpty()) {
02693 QStringList words = QStringList::split( ' ', text );
02694 for( QStringList::ConstIterator it = words.begin();
02695 it != words.end();
02696 ++it ) {
02697 if( keys.contains( (*it)[ 0 ].upper())) {
02698 key = (*it)[ 0 ].upper();
02699 break;
02700 }
02701 }
02702 }
02703 if( key.isNull() && !text.isEmpty()) {
02704 for( unsigned int i = 0;
02705 i < text.length();
02706 ++i ) {
02707 if( keys.contains( text[ i ].upper())) {
02708 key = text[ i ].upper();
02709 break;
02710 }
02711 }
02712 }
02713 if( key.isNull())
02714 key = keys.front();
02715 ret[ (*it).element ] = key;
02716 keys.remove( key );
02717 QString url = (*it).url;
02718 it = data.remove( it );
02719
02720 if( !url.isEmpty() && !url.startsWith( "javascript:", false )) {
02721 for( QValueList< AccessKeyData >::Iterator it2 = data.begin();
02722 it2 != data.end();
02723 ) {
02724 if( (*it2).url == url ) {
02725 ret[ (*it2).element ] = key;
02726 if( it == it2 )
02727 ++it;
02728 it2 = data.remove( it2 );
02729 } else
02730 ++it2;
02731 }
02732 }
02733 }
02734 }
02735 return ret;
02736 }
02737
02738 void KHTMLView::setMediaType( const QString &medium )
02739 {
02740 m_medium = medium;
02741 }
02742
02743 QString KHTMLView::mediaType() const
02744 {
02745 return m_medium;
02746 }
02747
02748 bool KHTMLView::pagedMode() const
02749 {
02750 return d->paged;
02751 }
02752
02753 void KHTMLView::setWidgetVisible(RenderWidget* w, bool vis)
02754 {
02755 if (vis) {
02756 d->visibleWidgets.replace(w, w->widget());
02757 }
02758 else
02759 d->visibleWidgets.remove(w);
02760 }
02761
02762 bool KHTMLView::needsFullRepaint() const
02763 {
02764 return d->needsFullRepaint;
02765 }
02766
02767 void KHTMLView::print()
02768 {
02769 print( false );
02770 }
02771
02772 void KHTMLView::print(bool quick)
02773 {
02774 if(!m_part->xmlDocImpl()) return;
02775 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer());
02776 if(!root) return;
02777
02778 KPrinter *printer = new KPrinter(true, QPrinter::ScreenResolution);
02779 printer->addDialogPage(new KHTMLPrintSettings());
02780 QString docname = m_part->xmlDocImpl()->URL().prettyURL();
02781 if ( !docname.isEmpty() )
02782 docname = KStringHandler::csqueeze(docname, 80);
02783 if(quick || printer->setup(this, i18n("Print %1").arg(docname))) {
02784 viewport()->setCursor( waitCursor );
02785
02786 printer->setFullPage(false);
02787 printer->setCreator(QString("KDE %1.%2.%3 HTML Library").arg(KDE_VERSION_MAJOR).arg(KDE_VERSION_MINOR).arg(KDE_VERSION_RELEASE));
02788 printer->setDocName(docname);
02789
02790 QPainter *p = new QPainter;
02791 p->begin( printer );
02792 khtml::setPrintPainter( p );
02793
02794 m_part->xmlDocImpl()->setPaintDevice( printer );
02795 QString oldMediaType = mediaType();
02796 setMediaType( "print" );
02797
02798
02799
02800 m_part->xmlDocImpl()->setPrintStyleSheet( printer->option("app-khtml-printfriendly") == "true" ?
02801 "* { background-image: none !important;"
02802 " background-color: white !important;"
02803 " color: black !important; }"
02804 "body { margin: 0px !important; }"
02805 "html { margin: 0px !important; }" :
02806 "body { margin: 0px !important; }"
02807 "html { margin: 0px !important; }"
02808 );
02809
02810 QPaintDeviceMetrics metrics( printer );
02811
02812 kdDebug(6000) << "printing: physical page width = " << metrics.width()
02813 << " height = " << metrics.height() << endl;
02814 root->setStaticMode(true);
02815 root->setPagedMode(true);
02816 root->setWidth(metrics.width());
02817
02818 root->setPageTop(0);
02819 root->setPageBottom(0);
02820 d->paged = true;
02821
02822 m_part->xmlDocImpl()->styleSelector()->computeFontSizes(&metrics, 100);
02823 m_part->xmlDocImpl()->updateStyleSelector();
02824 root->setPrintImages( printer->option("app-khtml-printimages") == "true");
02825 root->makePageBreakAvoidBlocks();
02826
02827 root->setNeedsLayoutAndMinMaxRecalc();
02828 root->layout();
02829 khtml::RenderWidget::flushWidgetResizes();
02830
02831
02832
02833 bool printHeader = (printer->option("app-khtml-printheader") == "true");
02834
02835 int headerHeight = 0;
02836 QFont headerFont("Sans Serif", 8);
02837
02838 QString headerLeft = KGlobal::locale()->formatDate(QDate::currentDate(),true);
02839 QString headerMid = docname;
02840 QString headerRight;
02841
02842 if (printHeader)
02843 {
02844 p->setFont(headerFont);
02845 headerHeight = (p->fontMetrics().lineSpacing() * 3) / 2;
02846 }
02847
02848
02849 kdDebug(6000) << "printing: html page width = " << root->docWidth()
02850 << " height = " << root->docHeight() << endl;
02851 kdDebug(6000) << "printing: margins left = " << printer->margins().width()
02852 << " top = " << printer->margins().height() << endl;
02853 kdDebug(6000) << "printing: paper width = " << metrics.width()
02854 << " height = " << metrics.height() << endl;
02855
02856
02857 int pageWidth = metrics.width();
02858 int pageHeight = metrics.height();
02859 p->setClipRect(0,0, pageWidth, pageHeight);
02860
02861 pageHeight -= headerHeight;
02862
02863 bool scalePage = false;
02864 double scale = 0.0;
02865 #ifndef QT_NO_TRANSFORMATIONS
02866 if(root->docWidth() > metrics.width()) {
02867 scalePage = true;
02868 scale = ((double) metrics.width())/((double) root->docWidth());
02869 pageHeight = (int) (pageHeight/scale);
02870 pageWidth = (int) (pageWidth/scale);
02871 headerHeight = (int) (headerHeight/scale);
02872 }
02873 #endif
02874 kdDebug(6000) << "printing: scaled html width = " << pageWidth
02875 << " height = " << pageHeight << endl;
02876
02877 root->setHeight(pageHeight);
02878 root->setPageBottom(pageHeight);
02879 root->setNeedsLayout(true);
02880 root->layoutIfNeeded();
02881
02882
02883
02884 if (printHeader)
02885 {
02886 int available_width = metrics.width() - 10 -
02887 2 * kMax(p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerLeft).width(),
02888 p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerRight).width());
02889 if (available_width < 150)
02890 available_width = 150;
02891 int mid_width;
02892 int squeeze = 120;
02893 do {
02894 headerMid = KStringHandler::csqueeze(docname, squeeze);
02895 mid_width = p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerMid).width();
02896 squeeze -= 10;
02897 } while (mid_width > available_width);
02898 }
02899
02900 int top = 0;
02901 int bottom = 0;
02902 int page = 1;
02903 while(top < root->docHeight()) {
02904 if(top > 0) printer->newPage();
02905 p->setClipRect(0, 0, pageWidth, headerHeight, QPainter::CoordDevice);
02906 if (printHeader)
02907 {
02908 int dy = p->fontMetrics().lineSpacing();
02909 p->setPen(Qt::black);
02910 p->setFont(headerFont);
02911
02912 headerRight = QString("#%1").arg(page);
02913
02914 p->drawText(0, 0, metrics.width(), dy, Qt::AlignLeft, headerLeft);
02915 p->drawText(0, 0, metrics.width(), dy, Qt::AlignHCenter, headerMid);
02916 p->drawText(0, 0, metrics.width(), dy, Qt::AlignRight, headerRight);
02917 }
02918
02919
02920 #ifndef QT_NO_TRANSFORMATIONS
02921 if (scalePage)
02922 p->scale(scale, scale);
02923 #endif
02924
02925 p->setClipRect(0, headerHeight, pageWidth, pageHeight, QPainter::CoordDevice);
02926 p->translate(0, headerHeight-top);
02927
02928 bottom = top+pageHeight;
02929
02930 root->setPageTop(top);
02931 root->setPageBottom(bottom);
02932 root->setPageNumber(page);
02933
02934 root->layer()->paint(p, QRect(0, top, pageWidth, pageHeight));
02935
02936
02937
02938 kdDebug(6000) << "printed: page " << page <<" bottom At = " << bottom << endl;
02939
02940 top = bottom;
02941 p->resetXForm();
02942 page++;
02943 }
02944
02945 p->end();
02946 delete p;
02947
02948
02949 root->setPagedMode(false);
02950 root->setStaticMode(false);
02951 d->paged = false;
02952 khtml::setPrintPainter( 0 );
02953 setMediaType( oldMediaType );
02954 m_part->xmlDocImpl()->setPaintDevice( this );
02955 m_part->xmlDocImpl()->styleSelector()->computeFontSizes(m_part->xmlDocImpl()->paintDeviceMetrics(), m_part->zoomFactor());
02956 m_part->xmlDocImpl()->updateStyleSelector();
02957 viewport()->unsetCursor();
02958 }
02959 delete printer;
02960 }
02961
02962 void KHTMLView::slotPaletteChanged()
02963 {
02964 if(!m_part->xmlDocImpl()) return;
02965 DOM::DocumentImpl *document = m_part->xmlDocImpl();
02966 if (!document->isHTMLDocument()) return;
02967 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(document->renderer());
02968 if(!root) return;
02969 root->style()->resetPalette();
02970 NodeImpl *body = static_cast<HTMLDocumentImpl*>(document)->body();
02971 if(!body) return;
02972 body->setChanged(true);
02973 body->recalcStyle( NodeImpl::Force );
02974 }
02975
02976 void KHTMLView::paint(QPainter *p, const QRect &rc, int yOff, bool *more)
02977 {
02978 if(!m_part->xmlDocImpl()) return;
02979 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer());
02980 if(!root) return;
02981
02982 m_part->xmlDocImpl()->setPaintDevice(p->device());
02983 root->setPagedMode(true);
02984 root->setStaticMode(true);
02985 root->setWidth(rc.width());
02986
02987 p->save();
02988 p->setClipRect(rc);
02989 p->translate(rc.left(), rc.top());
02990 double scale = ((double) rc.width()/(double) root->docWidth());
02991 int height = (int) ((double) rc.height() / scale);
02992 #ifndef QT_NO_TRANSFORMATIONS
02993 p->scale(scale, scale);
02994 #endif
02995 root->setPageTop(yOff);
02996 root->setPageBottom(yOff+height);
02997
02998 root->layer()->paint(p, QRect(0, yOff, root->docWidth(), height));
02999 if (more)
03000 *more = yOff + height < root->docHeight();
03001 p->restore();
03002
03003 root->setPagedMode(false);
03004 root->setStaticMode(false);
03005 m_part->xmlDocImpl()->setPaintDevice( this );
03006 }
03007
03008
03009 void KHTMLView::useSlowRepaints()
03010 {
03011 d->useSlowRepaints = true;
03012 setStaticBackground(true);
03013 }
03014
03015
03016 void KHTMLView::setVScrollBarMode ( ScrollBarMode mode )
03017 {
03018 #ifndef KHTML_NO_SCROLLBARS
03019 d->vmode = mode;
03020 QScrollView::setVScrollBarMode(mode);
03021 #else
03022 Q_UNUSED( mode );
03023 #endif
03024 }
03025
03026 void KHTMLView::setHScrollBarMode ( ScrollBarMode mode )
03027 {
03028 #ifndef KHTML_NO_SCROLLBARS
03029 d->hmode = mode;
03030 QScrollView::setHScrollBarMode(mode);
03031 #else
03032 Q_UNUSED( mode );
03033 #endif
03034 }
03035
03036 void KHTMLView::restoreScrollBar()
03037 {
03038 int ow = visibleWidth();
03039 QScrollView::setVScrollBarMode(d->vmode);
03040 if (visibleWidth() != ow)
03041 layout();
03042 d->prevScrollbarVisible = verticalScrollBar()->isVisible();
03043 }
03044
03045 QStringList KHTMLView::formCompletionItems(const QString &name) const
03046 {
03047 if (!m_part->settings()->isFormCompletionEnabled())
03048 return QStringList();
03049 if (!d->formCompletions)
03050 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03051 return d->formCompletions->readListEntry(name);
03052 }
03053
03054 void KHTMLView::clearCompletionHistory(const QString& name)
03055 {
03056 if (!d->formCompletions)
03057 {
03058 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03059 }
03060 d->formCompletions->writeEntry(name, "");
03061 d->formCompletions->sync();
03062 }
03063
03064 void KHTMLView::addFormCompletionItem(const QString &name, const QString &value)
03065 {
03066 if (!m_part->settings()->isFormCompletionEnabled())
03067 return;
03068
03069
03070
03071 bool cc_number(true);
03072 for (unsigned int i = 0; i < value.length(); ++i)
03073 {
03074 QChar c(value[i]);
03075 if (!c.isNumber() && c != '-' && !c.isSpace())
03076 {
03077 cc_number = false;
03078 break;
03079 }
03080 }
03081 if (cc_number)
03082 return;
03083 QStringList items = formCompletionItems(name);
03084 if (!items.contains(value))
03085 items.prepend(value);
03086 while ((int)items.count() > m_part->settings()->maxFormCompletionItems())
03087 items.remove(items.fromLast());
03088 d->formCompletions->writeEntry(name, items);
03089 }
03090
03091 void KHTMLView::addNonPasswordStorableSite(const QString& host)
03092 {
03093 if (!d->formCompletions) {
03094 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03095 }
03096
03097 d->formCompletions->setGroup("NonPasswordStorableSites");
03098 QStringList sites = d->formCompletions->readListEntry("Sites");
03099 sites.append(host);
03100 d->formCompletions->writeEntry("Sites", sites);
03101 d->formCompletions->sync();
03102 d->formCompletions->setGroup(QString::null);
03103 }
03104
03105 bool KHTMLView::nonPasswordStorableSite(const QString& host) const
03106 {
03107 if (!d->formCompletions) {
03108 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03109 }
03110 d->formCompletions->setGroup("NonPasswordStorableSites");
03111 QStringList sites = d->formCompletions->readListEntry("Sites");
03112 d->formCompletions->setGroup(QString::null);
03113
03114 return (sites.find(host) != sites.end());
03115 }
03116
03117
03118 bool KHTMLView::dispatchMouseEvent(int eventId, DOM::NodeImpl *targetNode,
03119 DOM::NodeImpl *targetNodeNonShared, bool cancelable,
03120 int detail,QMouseEvent *_mouse, bool setUnder,
03121 int mouseEventType)
03122 {
03123
03124 if (targetNode && targetNode->isTextNode())
03125 targetNode = targetNode->parentNode();
03126
03127 if (d->underMouse)
03128 d->underMouse->deref();
03129 d->underMouse = targetNode;
03130 if (d->underMouse)
03131 d->underMouse->ref();
03132
03133 if (d->underMouseNonShared)
03134 d->underMouseNonShared->deref();
03135 d->underMouseNonShared = targetNodeNonShared;
03136 if (d->underMouseNonShared)
03137 d->underMouseNonShared->ref();
03138
03139 int exceptioncode = 0;
03140 int pageX = 0;
03141 int pageY = 0;
03142 viewportToContents(_mouse->x(), _mouse->y(), pageX, pageY);
03143 int clientX = pageX - contentsX();
03144 int clientY = pageY - contentsY();
03145 int screenX = _mouse->globalX();
03146 int screenY = _mouse->globalY();
03147 int button = -1;
03148 switch (_mouse->button()) {
03149 case LeftButton:
03150 button = 0;
03151 break;
03152 case MidButton:
03153 button = 1;
03154 break;
03155 case RightButton:
03156 button = 2;
03157 break;
03158 default:
03159 break;
03160 }
03161 if (d->accessKeysEnabled && d->accessKeysPreActivate && button!=-1)
03162 d->accessKeysPreActivate=false;
03163
03164 bool ctrlKey = (_mouse->state() & ControlButton);
03165 bool altKey = (_mouse->state() & AltButton);
03166 bool shiftKey = (_mouse->state() & ShiftButton);
03167 bool metaKey = (_mouse->state() & MetaButton);
03168
03169
03170 if (setUnder && (d->prevMouseX != pageX || d->prevMouseY != pageY)) {
03171
03172
03173
03174 NodeImpl *oldUnder = 0;
03175 if (d->prevMouseX >= 0 && d->prevMouseY >= 0) {
03176 NodeImpl::MouseEvent mev( _mouse->stateAfter(), static_cast<NodeImpl::MouseEventType>(mouseEventType));
03177 m_part->xmlDocImpl()->prepareMouseEvent( true, d->prevMouseX, d->prevMouseY, &mev );
03178 oldUnder = mev.innerNode.handle();
03179
03180 if (oldUnder && oldUnder->isTextNode())
03181 oldUnder = oldUnder->parentNode();
03182 }
03183
03184 if (oldUnder != targetNode) {
03185
03186 if (oldUnder){
03187 oldUnder->ref();
03188 MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOUT_EVENT,
03189 true,true,m_part->xmlDocImpl()->defaultView(),
03190 0,screenX,screenY,clientX,clientY,pageX, pageY,
03191 ctrlKey,altKey,shiftKey,metaKey,
03192 button,targetNode);
03193 me->ref();
03194 oldUnder->dispatchEvent(me,exceptioncode,true);
03195 me->deref();
03196 }
03197
03198
03199 if (targetNode) {
03200 MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOVER_EVENT,
03201 true,true,m_part->xmlDocImpl()->defaultView(),
03202 0,screenX,screenY,clientX,clientY,pageX, pageY,
03203 ctrlKey,altKey,shiftKey,metaKey,
03204 button,oldUnder);
03205
03206 me->ref();
03207 targetNode->dispatchEvent(me,exceptioncode,true);
03208 me->deref();
03209 }
03210
03211 if (oldUnder)
03212 oldUnder->deref();
03213 }
03214 }
03215
03216 bool swallowEvent = false;
03217
03218 if (targetNode) {
03219
03220 bool dblclick = ( eventId == EventImpl::CLICK_EVENT &&
03221 _mouse->type() == QEvent::MouseButtonDblClick );
03222 MouseEventImpl *me = new MouseEventImpl(static_cast<EventImpl::EventId>(eventId),
03223 true,cancelable,m_part->xmlDocImpl()->defaultView(),
03224 detail,screenX,screenY,clientX,clientY,pageX, pageY,
03225 ctrlKey,altKey,shiftKey,metaKey,
03226 button,0, _mouse, dblclick );
03227 me->ref();
03228 targetNode->dispatchEvent(me,exceptioncode,true);
03229 bool defaultHandled = me->defaultHandled();
03230 if (defaultHandled || me->defaultPrevented())
03231 swallowEvent = true;
03232 me->deref();
03233
03234 if (eventId == EventImpl::MOUSEDOWN_EVENT) {
03235
03236
03237
03238
03239 DOM::NodeImpl* nodeImpl = targetNode;
03240 for ( ; nodeImpl && !nodeImpl->isFocusable(); nodeImpl = nodeImpl->parentNode());
03241 if (nodeImpl && nodeImpl->isMouseFocusable())
03242 m_part->xmlDocImpl()->setFocusNode(nodeImpl);
03243 else if (!nodeImpl || !nodeImpl->focused())
03244 m_part->xmlDocImpl()->setFocusNode(0);
03245 }
03246 }
03247
03248 return swallowEvent;
03249 }
03250
03251 void KHTMLView::setIgnoreWheelEvents( bool e )
03252 {
03253 d->ignoreWheelEvents = e;
03254 }
03255
03256 #ifndef QT_NO_WHEELEVENT
03257
03258 void KHTMLView::viewportWheelEvent(QWheelEvent* e)
03259 {
03260 if (d->accessKeysEnabled && d->accessKeysPreActivate) d->accessKeysPreActivate=false;
03261
03262 if ( ( e->state() & ControlButton) == ControlButton )
03263 {
03264 emit zoomView( - e->delta() );
03265 e->accept();
03266 }
03267 else if (d->firstRelayout)
03268 {
03269 e->accept();
03270 }
03271 else if( ( (e->orientation() == Vertical &&
03272 ((d->ignoreWheelEvents && !verticalScrollBar()->isVisible())
03273 || e->delta() > 0 && contentsY() <= 0
03274 || e->delta() < 0 && contentsY() >= contentsHeight() - visibleHeight()))
03275 ||
03276 (e->orientation() == Horizontal &&
03277 ((d->ignoreWheelEvents && !horizontalScrollBar()->isVisible())
03278 || e->delta() > 0 && contentsX() <=0
03279 || e->delta() < 0 && contentsX() >= contentsWidth() - visibleWidth())))
03280 && m_part->parentPart())
03281 {
03282 if ( m_part->parentPart()->view() )
03283 m_part->parentPart()->view()->wheelEvent( e );
03284 e->ignore();
03285 }
03286 else
03287 {
03288 d->scrollBarMoved = true;
03289 #ifndef NO_SMOOTH_SCROLL_HACK
03290 scrollViewWheelEvent( e );
03291 #else
03292 QScrollView::viewportWheelEvent( e );
03293 #endif
03294 QMouseEvent *tempEvent = new QMouseEvent( QEvent::MouseMove, QPoint(-1,-1), QPoint(-1,-1), Qt::NoButton, e->state() );
03295 emit viewportMouseMoveEvent ( tempEvent );
03296 delete tempEvent;
03297 }
03298
03299 }
03300 #endif
03301
03302 void KHTMLView::dragEnterEvent( QDragEnterEvent* ev )
03303 {
03304
03305
03306
03307 if ( m_part->parentPart() )
03308 {
03309 QApplication::sendEvent(m_part->parentPart()->widget(), ev);
03310 return;
03311 }
03312 QScrollView::dragEnterEvent( ev );
03313 }
03314
03315 void KHTMLView::dropEvent( QDropEvent *ev )
03316 {
03317
03318
03319
03320 if ( m_part->parentPart() )
03321 {
03322 QApplication::sendEvent(m_part->parentPart()->widget(), ev);
03323 return;
03324 }
03325 QScrollView::dropEvent( ev );
03326 }
03327
03328 void KHTMLView::focusInEvent( QFocusEvent *e )
03329 {
03330 #ifndef KHTML_NO_TYPE_AHEAD_FIND
03331 m_part->enableFindAheadActions( true );
03332 #endif
03333 DOM::NodeImpl* fn = m_part->xmlDocImpl() ? m_part->xmlDocImpl()->focusNode() : 0;
03334 if (fn && fn->renderer() && fn->renderer()->isWidget() &&
03335 (e->reason() != QFocusEvent::Mouse) &&
03336 static_cast<khtml::RenderWidget*>(fn->renderer())->widget())
03337 static_cast<khtml::RenderWidget*>(fn->renderer())->widget()->setFocus();
03338 #ifndef KHTML_NO_CARET
03339
03340
03341 if (d->m_caretViewContext &&
03342 d->m_caretViewContext->freqTimerId == -1 &&
03343 fn) {
03344 if (m_part->isCaretMode()
03345 || m_part->isEditable()
03346 || (fn && fn->renderer()
03347 && fn->renderer()->style()->userInput()
03348 == UI_ENABLED)) {
03349 d->m_caretViewContext->freqTimerId = startTimer(500);
03350 d->m_caretViewContext->visible = true;
03351 }
03352 }
03353 showCaret();
03354 #endif // KHTML_NO_CARET
03355 QScrollView::focusInEvent( e );
03356 }
03357
03358 void KHTMLView::focusOutEvent( QFocusEvent *e )
03359 {
03360 if(m_part) m_part->stopAutoScroll();
03361
03362 #ifndef KHTML_NO_TYPE_AHEAD_FIND
03363 if(d->typeAheadActivated)
03364 {
03365 findTimeout();
03366 }
03367 m_part->enableFindAheadActions( false );
03368 #endif // KHTML_NO_TYPE_AHEAD_FIND
03369
03370 #ifndef KHTML_NO_CARET
03371 if (d->m_caretViewContext) {
03372 switch (d->m_caretViewContext->displayNonFocused) {
03373 case KHTMLPart::CaretInvisible:
03374 hideCaret();
03375 break;
03376 case KHTMLPart::CaretVisible: {
03377 killTimer(d->m_caretViewContext->freqTimerId);
03378 d->m_caretViewContext->freqTimerId = -1;
03379 NodeImpl *caretNode = m_part->xmlDocImpl()->focusNode();
03380 if (!d->m_caretViewContext->visible && (m_part->isCaretMode()
03381 || m_part->isEditable()
03382 || (caretNode && caretNode->renderer()
03383 && caretNode->renderer()->style()->userInput()
03384 == UI_ENABLED))) {
03385 d->m_caretViewContext->visible = true;
03386 showCaret(true);
03387 }
03388 break;
03389 }
03390 case KHTMLPart::CaretBlink:
03391
03392 break;
03393 }
03394 }
03395 #endif // KHTML_NO_CARET
03396
03397 if ( d->cursor_icon_widget )
03398 d->cursor_icon_widget->hide();
03399
03400 QScrollView::focusOutEvent( e );
03401 }
03402
03403 void KHTMLView::slotScrollBarMoved()
03404 {
03405 if ( !d->firstRelayout && !d->complete && m_part->xmlDocImpl() &&
03406 d->layoutSchedulingEnabled) {
03407
03408 khtml::RenderCanvas* root = static_cast<khtml::RenderCanvas *>( m_part->xmlDocImpl()->renderer() );
03409 if (root && root->needsLayout()) {
03410 unscheduleRelayout();
03411 layout();
03412 }
03413 }
03414 if (!d->scrollingSelf) {
03415 d->scrollBarMoved = true;
03416 d->contentsMoving = true;
03417
03418 scheduleRepaint(0, 0, 0, 0);
03419 }
03420
03421 if (m_part->xmlDocImpl() && m_part->xmlDocImpl()->documentElement())
03422 m_part->xmlDocImpl()->documentElement()->dispatchHTMLEvent(EventImpl::SCROLL_EVENT, true, false);
03423 }
03424
03425 void KHTMLView::timerEvent ( QTimerEvent *e )
03426 {
03427
03428 if ( e->timerId() == d->scrollTimerId ) {
03429 if( d->scrollSuspended )
03430 return;
03431 switch (d->scrollDirection) {
03432 case KHTMLViewPrivate::ScrollDown:
03433 if (contentsY() + visibleHeight () >= contentsHeight())
03434 d->newScrollTimer(this, 0);
03435 else
03436 scrollBy( 0, d->scrollBy );
03437 break;
03438 case KHTMLViewPrivate::ScrollUp:
03439 if (contentsY() <= 0)
03440 d->newScrollTimer(this, 0);
03441 else
03442 scrollBy( 0, -d->scrollBy );
03443 break;
03444 case KHTMLViewPrivate::ScrollRight:
03445 if (contentsX() + visibleWidth () >= contentsWidth())
03446 d->newScrollTimer(this, 0);
03447 else
03448 scrollBy( d->scrollBy, 0 );
03449 break;
03450 case KHTMLViewPrivate::ScrollLeft:
03451 if (contentsX() <= 0)
03452 d->newScrollTimer(this, 0);
03453 else
03454 scrollBy( -d->scrollBy, 0 );
03455 break;
03456 }
03457 return;
03458 }
03459 else if ( e->timerId() == d->layoutTimerId ) {
03460 d->dirtyLayout = true;
03461 layout();
03462 if (d->firstRelayout) {
03463 d->firstRelayout = false;
03464 verticalScrollBar()->setEnabled( true );
03465 horizontalScrollBar()->setEnabled( true );
03466 }
03467 }
03468 #ifndef KHTML_NO_CARET
03469 else if (d->m_caretViewContext
03470 && e->timerId() == d->m_caretViewContext->freqTimerId) {
03471 d->m_caretViewContext->visible = !d->m_caretViewContext->visible;
03472 if (d->m_caretViewContext->displayed) {
03473 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03474 d->m_caretViewContext->width,
03475 d->m_caretViewContext->height);
03476 }
03477
03478
03479 return;
03480 }
03481 #endif
03482
03483 d->contentsMoving = false;
03484 if( m_part->xmlDocImpl() ) {
03485 DOM::DocumentImpl *document = m_part->xmlDocImpl();
03486 khtml::RenderCanvas* root = static_cast<khtml::RenderCanvas *>(document->renderer());
03487
03488 if ( root && root->needsLayout() ) {
03489 killTimer(d->repaintTimerId);
03490 d->repaintTimerId = 0;
03491 scheduleRelayout();
03492 return;
03493 }
03494 }
03495
03496 setStaticBackground(d->useSlowRepaints);
03497
03498
03499 killTimer(d->repaintTimerId);
03500 d->repaintTimerId = 0;
03501
03502 QRect updateRegion;
03503 QMemArray<QRect> rects = d->updateRegion.rects();
03504
03505 d->updateRegion = QRegion();
03506
03507 if ( rects.size() )
03508 updateRegion = rects[0];
03509
03510 for ( unsigned i = 1; i < rects.size(); ++i ) {
03511 QRect newRegion = updateRegion.unite(rects[i]);
03512 if (2*newRegion.height() > 3*updateRegion.height() )
03513 {
03514 repaintContents( updateRegion );
03515 updateRegion = rects[i];
03516 }
03517 else
03518 updateRegion = newRegion;
03519 }
03520
03521 if ( !updateRegion.isNull() )
03522 repaintContents( updateRegion );
03523
03524
03525
03526
03527
03528
03529 if (d->dirtyLayout && !d->visibleWidgets.isEmpty()) {
03530 QWidget* w;
03531 d->dirtyLayout = false;
03532
03533 QRect visibleRect(contentsX(), contentsY(), visibleWidth(), visibleHeight());
03534 QPtrList<RenderWidget> toRemove;
03535 for (QPtrDictIterator<QWidget> it(d->visibleWidgets); it.current(); ++it) {
03536 int xp = 0, yp = 0;
03537 w = it.current();
03538 RenderWidget* rw = static_cast<RenderWidget*>( it.currentKey() );
03539 if (!rw->absolutePosition(xp, yp) ||
03540 !visibleRect.intersects(QRect(xp, yp, w->width(), w->height())))
03541 toRemove.append(rw);
03542 }
03543 for (RenderWidget* r = toRemove.first(); r; r = toRemove.next())
03544 if ( (w = d->visibleWidgets.take(r) ) )
03545 addChild(w, 0, -500000);
03546 }
03547
03548 emit repaintAccessKeys();
03549 if (d->emitCompletedAfterRepaint) {
03550 bool full = d->emitCompletedAfterRepaint == KHTMLViewPrivate::CSFull;
03551 d->emitCompletedAfterRepaint = KHTMLViewPrivate::CSNone;
03552 if ( full )
03553 emit m_part->completed();
03554 else
03555 emit m_part->completed(true);
03556 }
03557 }
03558
03559 void KHTMLView::scheduleRelayout(khtml::RenderObject * )
03560 {
03561 if (!d->layoutSchedulingEnabled || d->layoutTimerId)
03562 return;
03563
03564 d->layoutTimerId = startTimer( m_part->xmlDocImpl() && m_part->xmlDocImpl()->parsing()
03565 ? 1000 : 0 );
03566 }
03567
03568 void KHTMLView::unscheduleRelayout()
03569 {
03570 if (!d->layoutTimerId)
03571 return;
03572
03573 killTimer(d->layoutTimerId);
03574 d->layoutTimerId = 0;
03575 }
03576
03577 void KHTMLView::unscheduleRepaint()
03578 {
03579 if (!d->repaintTimerId)
03580 return;
03581
03582 killTimer(d->repaintTimerId);
03583 d->repaintTimerId = 0;
03584 }
03585
03586 void KHTMLView::scheduleRepaint(int x, int y, int w, int h, bool asap)
03587 {
03588 bool parsing = !m_part->xmlDocImpl() || m_part->xmlDocImpl()->parsing();
03589
03590
03591
03592
03593 int time = parsing ? 300 : (!asap ? ( !d->complete ? 100 : 20 ) : 0);
03594
03595 #ifdef DEBUG_FLICKER
03596 QPainter p;
03597 p.begin( viewport() );
03598
03599 int vx, vy;
03600 contentsToViewport( x, y, vx, vy );
03601 p.fillRect( vx, vy, w, h, Qt::red );
03602 p.end();
03603 #endif
03604
03605 d->updateRegion = d->updateRegion.unite(QRect(x,y,w,h));
03606
03607 if (asap && !parsing)
03608 unscheduleRepaint();
03609
03610 if ( !d->repaintTimerId )
03611 d->repaintTimerId = startTimer( time );
03612
03613
03614 }
03615
03616 void KHTMLView::complete( bool pendingAction )
03617 {
03618
03619
03620 d->complete = true;
03621
03622
03623 if (d->layoutTimerId)
03624 {
03625
03626
03627 killTimer(d->layoutTimerId);
03628 d->layoutTimerId = startTimer( 0 );
03629 d->emitCompletedAfterRepaint = pendingAction ?
03630 KHTMLViewPrivate::CSActionPending : KHTMLViewPrivate::CSFull;
03631 }
03632
03633
03634 if (d->repaintTimerId)
03635 {
03636
03637
03638 killTimer(d->repaintTimerId);
03639 d->repaintTimerId = startTimer( 20 );
03640 d->emitCompletedAfterRepaint = pendingAction ?
03641 KHTMLViewPrivate::CSActionPending : KHTMLViewPrivate::CSFull;
03642 }
03643
03644 if (!d->emitCompletedAfterRepaint)
03645 {
03646 if (!pendingAction)
03647 emit m_part->completed();
03648 else
03649 emit m_part->completed(true);
03650 }
03651
03652 }
03653
03654 void KHTMLView::slotMouseScrollTimer()
03655 {
03656 scrollBy( d->m_mouseScroll_byX, d->m_mouseScroll_byY );
03657 }
03658
03659 #ifndef KHTML_NO_CARET
03660
03661
03662
03663
03664 #include "khtml_caret.cpp"
03665
03666 void KHTMLView::initCaret(bool keepSelection)
03667 {
03668 #if DEBUG_CARETMODE > 0
03669 kdDebug(6200) << "begin initCaret" << endl;
03670 #endif
03671
03672 if (m_part->xmlDocImpl()) {
03673 #if 0
03674 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__");
03675 if (listitem) dumpLineBoxes(static_cast<RenderFlow *>(listitem->renderer()));
03676 #endif
03677 d->caretViewContext();
03678 bool cmoved = d->m_caretViewContext->caretMoved;
03679 if (m_part->d->caretNode().isNull()) {
03680
03681 m_part->d->caretNode() = m_part->document();
03682 m_part->d->caretOffset() = 0L;
03683
03684
03685
03686 if (!m_part->d->caretNode().handle()->renderer()) return;
03687 }
03688
03689
03690
03691 moveCaretTo(m_part->d->caretNode().handle(), m_part->d->caretOffset(), !keepSelection);
03692
03693
03694 d->m_caretViewContext->caretMoved = cmoved;
03695 }
03696 #if DEBUG_CARETMODE > 0
03697 kdDebug(6200) << "end initCaret" << endl;
03698 #endif
03699 }
03700
03701 bool KHTMLView::caretOverrides() const
03702 {
03703 bool cm = m_part->isCaretMode();
03704 bool dm = m_part->isEditable();
03705 return cm && !dm ? false
03706 : (dm || m_part->d->caretNode().handle()->contentEditable())
03707 && d->editorContext()->override;
03708 }
03709
03710 void KHTMLView::ensureNodeHasFocus(NodeImpl *node)
03711 {
03712 if (m_part->isCaretMode() || m_part->isEditable()) return;
03713 if (node->focused()) return;
03714
03715
03716 NodeImpl *firstAncestor = 0;
03717 while (node) {
03718 if (node->renderer()
03719 && node->renderer()->style()->userInput() != UI_ENABLED)
03720 break;
03721 firstAncestor = node;
03722 node = node->parentNode();
03723 }
03724
03725 if (!node) firstAncestor = 0;
03726
03727 DocumentImpl *doc = m_part->xmlDocImpl();
03728
03729 if (!firstAncestor && doc->focusNode() && doc->focusNode()->renderer()
03730 && doc->focusNode()->renderer()->isWidget())
03731 return;
03732
03733
03734 #if DEBUG_CARETMODE > 1
03735 kdDebug(6200) << k_funcinfo << "firstAncestor " << firstAncestor << ": "
03736 << (firstAncestor ? firstAncestor->nodeName().string() : QString::null) << endl;
03737 #endif
03738 doc->setFocusNode(firstAncestor);
03739 emit m_part->nodeActivated(Node(firstAncestor));
03740 }
03741
03742 void KHTMLView::recalcAndStoreCaretPos(CaretBox *hintBox)
03743 {
03744 if (!m_part || m_part->d->caretNode().isNull()) return;
03745 d->caretViewContext();
03746 NodeImpl *caretNode = m_part->d->caretNode().handle();
03747 #if DEBUG_CARETMODE > 0
03748 kdDebug(6200) << "recalcAndStoreCaretPos: caretNode=" << caretNode << (caretNode ? " "+caretNode->nodeName().string() : QString::null) << " r@" << caretNode->renderer() << (caretNode->renderer() && caretNode->renderer()->isText() ? " \"" + QConstString(static_cast<RenderText *>(caretNode->renderer())->str->s, kMin(static_cast<RenderText *>(caretNode->renderer())->str->l, 15u)).string() + "\"" : QString::null) << endl;
03749 #endif
03750 caretNode->getCaret(m_part->d->caretOffset(), caretOverrides(),
03751 d->m_caretViewContext->x, d->m_caretViewContext->y,
03752 d->m_caretViewContext->width,
03753 d->m_caretViewContext->height);
03754
03755 if (hintBox && d->m_caretViewContext->x == -1) {
03756 #if DEBUG_CARETMODE > 1
03757 kdDebug(6200) << "using hint inline box coordinates" << endl;
03758 #endif
03759 RenderObject *r = caretNode->renderer();
03760 const QFontMetrics &fm = r->style()->fontMetrics();
03761 int absx, absy;
03762 r->containingBlock()->absolutePosition(absx, absy,
03763 false);
03764 d->m_caretViewContext->x = absx + hintBox->xPos();
03765 d->m_caretViewContext->y = absy + hintBox->yPos();
03766
03767 d->m_caretViewContext->width = 1;
03768
03769
03770 d->m_caretViewContext->height = fm.height();
03771 }
03772
03773 #if DEBUG_CARETMODE > 4
03774
03775 #endif
03776 #if DEBUG_CARETMODE > 0
03777 kdDebug(6200) << "caret: ofs="<<m_part->d->caretOffset()<<" "
03778 <<" x="<<d->m_caretViewContext->x<<" y="<<d->m_caretViewContext->y
03779 <<" h="<<d->m_caretViewContext->height<<endl;
03780 #endif
03781 }
03782
03783 void KHTMLView::caretOn()
03784 {
03785 if (d->m_caretViewContext) {
03786 killTimer(d->m_caretViewContext->freqTimerId);
03787
03788 if (hasFocus() || d->m_caretViewContext->displayNonFocused
03789 == KHTMLPart::CaretBlink) {
03790 d->m_caretViewContext->freqTimerId = startTimer(500);
03791 } else {
03792 d->m_caretViewContext->freqTimerId = -1;
03793 }
03794
03795 d->m_caretViewContext->visible = true;
03796 if ((d->m_caretViewContext->displayed = (hasFocus()
03797 || d->m_caretViewContext->displayNonFocused
03798 != KHTMLPart::CaretInvisible))) {
03799 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03800 d->m_caretViewContext->width,
03801 d->m_caretViewContext->height);
03802 }
03803
03804 }
03805 }
03806
03807 void KHTMLView::caretOff()
03808 {
03809 if (d->m_caretViewContext) {
03810 killTimer(d->m_caretViewContext->freqTimerId);
03811 d->m_caretViewContext->freqTimerId = -1;
03812 d->m_caretViewContext->displayed = false;
03813 if (d->m_caretViewContext->visible) {
03814 d->m_caretViewContext->visible = false;
03815 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03816 d->m_caretViewContext->width,
03817 d->m_caretViewContext->height);
03818 }
03819
03820 }
03821 }
03822
03823 void KHTMLView::showCaret(bool forceRepaint)
03824 {
03825 if (d->m_caretViewContext) {
03826 d->m_caretViewContext->displayed = true;
03827 if (d->m_caretViewContext->visible) {
03828 if (!forceRepaint) {
03829 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03830 d->m_caretViewContext->width,
03831 d->m_caretViewContext->height);
03832 } else {
03833 repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03834 d->m_caretViewContext->width,
03835 d->m_caretViewContext->height);
03836 }
03837 }
03838
03839 }
03840 }
03841
03842 bool KHTMLView::foldSelectionToCaret(NodeImpl *startNode, long startOffset,
03843 NodeImpl *endNode, long endOffset)
03844 {
03845 m_part->d->m_selectionStart = m_part->d->m_selectionEnd = m_part->d->caretNode();
03846 m_part->d->m_startOffset = m_part->d->m_endOffset = m_part->d->caretOffset();
03847 m_part->d->m_extendAtEnd = true;
03848
03849 bool folded = startNode != endNode || startOffset != endOffset;
03850
03851
03852 if (folded) {
03853 m_part->xmlDocImpl()->clearSelection();
03854 }
03855
03856 return folded;
03857 }
03858
03859 void KHTMLView::hideCaret()
03860 {
03861 if (d->m_caretViewContext) {
03862 if (d->m_caretViewContext->visible) {
03863
03864 d->m_caretViewContext->visible = false;
03865
03866
03867 repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03868 d->m_caretViewContext->width,
03869 d->m_caretViewContext->height);
03870 d->m_caretViewContext->visible = true;
03871 }
03872 d->m_caretViewContext->displayed = false;
03873
03874 }
03875 }
03876
03877 int KHTMLView::caretDisplayPolicyNonFocused() const
03878 {
03879 if (d->m_caretViewContext)
03880 return d->m_caretViewContext->displayNonFocused;
03881 else
03882 return KHTMLPart::CaretInvisible;
03883 }
03884
03885 void KHTMLView::setCaretDisplayPolicyNonFocused(int policy)
03886 {
03887 d->caretViewContext();
03888
03889 d->m_caretViewContext->displayNonFocused = (KHTMLPart::CaretDisplayPolicy)policy;
03890
03891
03892 if (!hasFocus()) {
03893 switch (d->m_caretViewContext->displayNonFocused) {
03894 case KHTMLPart::CaretInvisible:
03895 hideCaret();
03896 break;
03897 case KHTMLPart::CaretBlink:
03898 if (d->m_caretViewContext->freqTimerId != -1) break;
03899 d->m_caretViewContext->freqTimerId = startTimer(500);
03900
03901 case KHTMLPart::CaretVisible:
03902 d->m_caretViewContext->displayed = true;
03903 showCaret();
03904 break;
03905 }
03906 }
03907 }
03908
03909 bool KHTMLView::placeCaret(CaretBox *hintBox)
03910 {
03911 CaretViewContext *cv = d->caretViewContext();
03912 caretOff();
03913 NodeImpl *caretNode = m_part->d->caretNode().handle();
03914
03915 if (!caretNode || !caretNode->renderer()) return false;
03916 ensureNodeHasFocus(caretNode);
03917 if (m_part->isCaretMode() || m_part->isEditable()
03918 || caretNode->renderer()->style()->userInput() == UI_ENABLED) {
03919 recalcAndStoreCaretPos(hintBox);
03920
03921 cv->origX = cv->x;
03922
03923 caretOn();
03924 return true;
03925 }
03926 return false;
03927 }
03928
03929 void KHTMLView::ensureCaretVisible()
03930 {
03931 CaretViewContext *cv = d->m_caretViewContext;
03932 if (!cv) return;
03933 ensureVisible(cv->x, cv->y, cv->width, cv->height);
03934 d->scrollBarMoved = false;
03935 }
03936
03937 bool KHTMLView::extendSelection(NodeImpl *oldStartSel, long oldStartOfs,
03938 NodeImpl *oldEndSel, long oldEndOfs)
03939 {
03940 bool changed = false;
03941 if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd
03942 && m_part->d->m_startOffset == m_part->d->m_endOffset) {
03943 changed = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
03944 m_part->d->m_extendAtEnd = true;
03945 } else do {
03946 changed = m_part->d->m_selectionStart.handle() != oldStartSel
03947 || m_part->d->m_startOffset != oldStartOfs
03948 || m_part->d->m_selectionEnd.handle() != oldEndSel
03949 || m_part->d->m_endOffset != oldEndOfs;
03950 if (!changed) break;
03951
03952
03953 NodeImpl *startNode;
03954 long startOffset;
03955 if (m_part->d->m_extendAtEnd) {
03956 startNode = m_part->d->m_selectionStart.handle();
03957 startOffset = m_part->d->m_startOffset;
03958 } else {
03959 startNode = m_part->d->m_selectionEnd.handle();
03960 startOffset = m_part->d->m_endOffset;
03961 m_part->d->m_selectionEnd = m_part->d->m_selectionStart;
03962 m_part->d->m_endOffset = m_part->d->m_startOffset;
03963 m_part->d->m_extendAtEnd = true;
03964 }
03965
03966 bool swapNeeded = false;
03967 if (!m_part->d->m_selectionEnd.isNull() && startNode) {
03968 swapNeeded = RangeImpl::compareBoundaryPoints(startNode, startOffset,
03969 m_part->d->m_selectionEnd.handle(),
03970 m_part->d->m_endOffset) >= 0;
03971 }
03972
03973 m_part->d->m_selectionStart = startNode;
03974 m_part->d->m_startOffset = startOffset;
03975
03976 if (swapNeeded) {
03977 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionEnd.handle(),
03978 m_part->d->m_endOffset, m_part->d->m_selectionStart.handle(),
03979 m_part->d->m_startOffset);
03980 } else {
03981 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(),
03982 m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(),
03983 m_part->d->m_endOffset);
03984 }
03985 } while(false);
03986 return changed;
03987 }
03988
03989 void KHTMLView::updateSelection(NodeImpl *oldStartSel, long oldStartOfs,
03990 NodeImpl *oldEndSel, long oldEndOfs)
03991 {
03992 if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd
03993 && m_part->d->m_startOffset == m_part->d->m_endOffset) {
03994 if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs)) {
03995 m_part->emitSelectionChanged();
03996 }
03997 m_part->d->m_extendAtEnd = true;
03998 } else {
03999
04000 if (!m_part->d->m_selectionEnd.isNull() && !m_part->d->m_selectionEnd.isNull()) {
04001 bool swapNeeded = RangeImpl::compareBoundaryPoints(
04002 m_part->d->m_selectionStart.handle(), m_part->d->m_startOffset,
04003 m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset) >= 0;
04004 if (swapNeeded) {
04005 DOM::Node tmpNode = m_part->d->m_selectionStart;
04006 long tmpOffset = m_part->d->m_startOffset;
04007 m_part->d->m_selectionStart = m_part->d->m_selectionEnd;
04008 m_part->d->m_startOffset = m_part->d->m_endOffset;
04009 m_part->d->m_selectionEnd = tmpNode;
04010 m_part->d->m_endOffset = tmpOffset;
04011 m_part->d->m_startBeforeEnd = true;
04012 m_part->d->m_extendAtEnd = !m_part->d->m_extendAtEnd;
04013 }
04014 }
04015
04016 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(),
04017 m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(),
04018 m_part->d->m_endOffset);
04019 m_part->emitSelectionChanged();
04020 }
04021 }
04022
04023 void KHTMLView::caretKeyPressEvent(QKeyEvent *_ke)
04024 {
04025 NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle();
04026 long oldStartOfs = m_part->d->m_startOffset;
04027 NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle();
04028 long oldEndOfs = m_part->d->m_endOffset;
04029
04030 NodeImpl *oldCaretNode = m_part->d->caretNode().handle();
04031 long oldOffset = m_part->d->caretOffset();
04032
04033 bool ctrl = _ke->state() & ControlButton;
04034
04035
04036 switch(_ke->key()) {
04037 case Key_Space:
04038 break;
04039
04040 case Key_Down:
04041 moveCaretNextLine(1);
04042 break;
04043
04044 case Key_Up:
04045 moveCaretPrevLine(1);
04046 break;
04047
04048 case Key_Left:
04049 moveCaretBy(false, ctrl ? CaretByWord : CaretByCharacter, 1);
04050 break;
04051
04052 case Key_Right:
04053 moveCaretBy(true, ctrl ? CaretByWord : CaretByCharacter, 1);
04054 break;
04055
04056 case Key_Next:
04057 moveCaretNextPage();
04058 break;
04059
04060 case Key_Prior:
04061 moveCaretPrevPage();
04062 break;
04063
04064 case Key_Home:
04065 if (ctrl)
04066 moveCaretToDocumentBoundary(false);
04067 else
04068 moveCaretToLineBegin();
04069 break;
04070
04071 case Key_End:
04072 if (ctrl)
04073 moveCaretToDocumentBoundary(true);
04074 else
04075 moveCaretToLineEnd();
04076 break;
04077
04078 }
04079
04080 if ((m_part->d->caretNode().handle() != oldCaretNode
04081 || m_part->d->caretOffset() != oldOffset)
04082
04083 && !m_part->d->caretNode().isNull()) {
04084
04085 d->m_caretViewContext->caretMoved = true;
04086
04087 if (_ke->state() & ShiftButton) {
04088 updateSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04089 } else {
04090 if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs))
04091 m_part->emitSelectionChanged();
04092 }
04093
04094 m_part->emitCaretPositionChanged(m_part->d->caretNode(), m_part->d->caretOffset());
04095 }
04096
04097 _ke->accept();
04098 }
04099
04100 bool KHTMLView::moveCaretTo(NodeImpl *node, long offset, bool clearSel)
04101 {
04102 if (!node) return false;
04103 ElementImpl *baseElem = determineBaseElement(node);
04104 RenderFlow *base = static_cast<RenderFlow *>(baseElem ? baseElem->renderer() : 0);
04105 if (!node) return false;
04106
04107
04108
04109
04110 CaretBoxLineDeleter cblDeleter;
04111
04112 long r_ofs;
04113 CaretBoxIterator cbit;
04114 CaretBoxLine *cbl = findCaretBoxLine(node, offset, &cblDeleter, base, r_ofs, cbit);
04115 if(!cbl) {
04116 kdWarning() << "KHTMLView::moveCaretTo - findCaretBoxLine() returns NULL" << endl;
04117 return false;
04118 }
04119
04120 #if DEBUG_CARETMODE > 3
04121 if (cbl) kdDebug(6200) << cbl->information() << endl;
04122 #endif
04123 CaretBox *box = *cbit;
04124 if (cbit != cbl->end() && box->object() != node->renderer()) {
04125 if (box->object()->element()) {
04126 mapRenderPosToDOMPos(box->object(), r_ofs, box->isOutside(),
04127 box->isOutsideEnd(), node, offset);
04128
04129 #if DEBUG_CARETMODE > 1
04130 kdDebug(6200) << "set new node " << node->nodeName().string() << "@" << node << endl;
04131 #endif
04132 } else {
04133
04134 box = 0;
04135 kdError(6200) << "Box contains no node! Crash imminent" << endl;
04136 }
04137 }
04138
04139 NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle();
04140 long oldStartOfs = m_part->d->m_startOffset;
04141 NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle();
04142 long oldEndOfs = m_part->d->m_endOffset;
04143
04144
04145 bool posChanged = m_part->d->caretNode().handle() != node
04146 || m_part->d->caretOffset() != offset;
04147 bool selChanged = false;
04148
04149 m_part->d->caretNode() = node;
04150 m_part->d->caretOffset() = offset;
04151 if (clearSel || !oldStartSel || !oldEndSel) {
04152 selChanged = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04153 } else {
04154
04155
04156 selChanged = extendSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04157
04158
04159 }
04160
04161 d->caretViewContext()->caretMoved = true;
04162
04163 bool visible_caret = placeCaret(box);
04164
04165
04166
04167
04168 if (posChanged) {
04169 m_part->emitCaretPositionChanged(visible_caret ? node : 0, offset);
04170 }
04171
04172 return selChanged;
04173 }
04174
04175 void KHTMLView::moveCaretByLine(bool next, int count)
04176 {
04177 Node &caretNodeRef = m_part->d->caretNode();
04178 if (caretNodeRef.isNull()) return;
04179
04180 NodeImpl *caretNode = caretNodeRef.handle();
04181
04182 long offset = m_part->d->caretOffset();
04183
04184 CaretViewContext *cv = d->caretViewContext();
04185
04186 ElementImpl *baseElem = determineBaseElement(caretNode);
04187 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04188
04189 ErgonomicEditableLineIterator it(ld.current(), cv->origX);
04190
04191
04192 while (count > 0 && it != ld.end() && it != ld.preBegin()) {
04193 count--;
04194 if (next) ++it; else --it;
04195 }
04196
04197
04198 if (it == ld.end() || it == ld.preBegin()) return;
04199
04200 int x, absx, absy;
04201 CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy);
04202
04203 placeCaretOnLine(caretBox, x, absx, absy);
04204 }
04205
04206 void KHTMLView::placeCaretOnLine(CaretBox *caretBox, int x, int absx, int absy)
04207 {
04208
04209 if (!caretBox) return;
04210
04211 RenderObject *caretRender = caretBox->object();
04212
04213 #if DEBUG_CARETMODE > 0
04214 kdDebug(6200) << "got valid caretBox " << caretBox << endl;
04215 kdDebug(6200) << "xPos: " << caretBox->xPos() << " yPos: " << caretBox->yPos()
04216 << " width: " << caretBox->width() << " height: " << caretBox->height() << endl;
04217 InlineTextBox *tb = static_cast<InlineTextBox *>(caretBox->inlineBox());
04218 if (caretBox->isInlineTextBox()) { kdDebug(6200) << "contains \"" << QString(static_cast<RenderText *>(tb->object())->str->s + tb->m_start, tb->m_len) << "\"" << endl;}
04219 #endif
04220
04221 int caretHeight = caretBox->height();
04222 bool isText = caretBox->isInlineTextBox();
04223 int yOfs = 0;
04224 if (isText) {
04225
04226 RenderText *t = static_cast<RenderText *>(caretRender);
04227 const QFontMetrics &fm = t->metrics(caretBox->inlineBox()->m_firstLine);
04228 caretHeight = fm.height();
04229 yOfs = caretBox->inlineBox()->baseline() - fm.ascent();
04230 }
04231
04232 caretOff();
04233
04234
04235 NodeImpl *caretNode;
04236 long &offset = m_part->d->caretOffset();
04237 mapRenderPosToDOMPos(caretRender, offset, caretBox->isOutside(),
04238 caretBox->isOutsideEnd(), caretNode, offset);
04239
04240
04241 d->m_caretViewContext->y = caretBox->yPos() + yOfs;
04242 d->m_caretViewContext->height = caretHeight;
04243 d->m_caretViewContext->width = 1;
04244
04245 int xPos = caretBox->xPos();
04246 int caretBoxWidth = caretBox->width();
04247 d->m_caretViewContext->x = xPos;
04248
04249 if (!caretBox->isOutside()) {
04250
04251 long r_ofs = 0;
04252 if (x <= xPos) {
04253 r_ofs = caretBox->minOffset();
04254
04255 } else if (x > xPos && x <= xPos + caretBoxWidth) {
04256 if (isText) {
04257 r_ofs = static_cast<InlineTextBox *>(caretBox->inlineBox())
04258 ->offsetForPoint(x, d->m_caretViewContext->x);
04259 #if DEBUG_CARETMODE > 2
04260 kdDebug(6200) << "deviation from origX " << d->m_caretViewContext->x - x << endl;
04261 #endif
04262 #if 0
04263 } else {
04264 if (xPos + caretBoxWidth - x < x - xPos) {
04265 d->m_caretViewContext->x = xPos + caretBoxWidth;
04266 r_ofs = caretNode ? caretNode->maxOffset() : 1;
04267 } else {
04268 d->m_caretViewContext->x = xPos;
04269 r_ofs = caretNode ? caretNode->minOffset() : 0;
04270 }
04271 #endif
04272 }
04273 } else {
04274 d->m_caretViewContext->x = xPos + caretBoxWidth;
04275 r_ofs = caretBox->maxOffset();
04276 }
04277 offset = r_ofs;
04278 }
04279 #if DEBUG_CARETMODE > 0
04280 kdDebug(6200) << "new offset: " << offset << endl;
04281 #endif
04282
04283 m_part->d->caretNode() = caretNode;
04284 m_part->d->caretOffset() = offset;
04285
04286 d->m_caretViewContext->x += absx;
04287 d->m_caretViewContext->y += absy;
04288
04289 #if DEBUG_CARETMODE > 1
04290 kdDebug(6200) << "new caret position: x " << d->m_caretViewContext->x << " y " << d->m_caretViewContext->y << " w " << d->m_caretViewContext->width << " h " << d->m_caretViewContext->height << " absx " << absx << " absy " << absy << endl;
04291 #endif
04292
04293 ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y,
04294 d->m_caretViewContext->width, d->m_caretViewContext->height);
04295 d->scrollBarMoved = false;
04296
04297 ensureNodeHasFocus(caretNode);
04298 caretOn();
04299 }
04300
04301 void KHTMLView::moveCaretToLineBoundary(bool end)
04302 {
04303 Node &caretNodeRef = m_part->d->caretNode();
04304 if (caretNodeRef.isNull()) return;
04305
04306 NodeImpl *caretNode = caretNodeRef.handle();
04307
04308 long offset = m_part->d->caretOffset();
04309
04310 ElementImpl *baseElem = determineBaseElement(caretNode);
04311 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04312
04313 EditableLineIterator it = ld.current();
04314 if (it == ld.end()) return;
04315
04316 EditableCaretBoxIterator fbit(it, end);
04317 Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin());
04318 CaretBox *b = *fbit;
04319
04320 RenderObject *cb = b->containingBlock();
04321 int absx, absy;
04322
04323 if (cb) cb->absolutePosition(absx,absy);
04324 else absx = absy = 0;
04325
04326 int x = b->xPos() + (end && !b->isOutside() ? b->width() : 0);
04327 d->m_caretViewContext->origX = absx + x;
04328 placeCaretOnLine(b, x, absx, absy);
04329 }
04330
04331 void KHTMLView::moveCaretToDocumentBoundary(bool end)
04332 {
04333 Node &caretNodeRef = m_part->d->caretNode();
04334 if (caretNodeRef.isNull()) return;
04335
04336 NodeImpl *caretNode = caretNodeRef.handle();
04337
04338 long offset = m_part->d->caretOffset();
04339
04340 ElementImpl *baseElem = determineBaseElement(caretNode);
04341 LinearDocument ld(m_part, caretNode, offset, IndicatedFlows, baseElem);
04342
04343 EditableLineIterator it(end ? ld.preEnd() : ld.begin(), end);
04344 if (it == ld.end() || it == ld.preBegin()) return;
04345
04346 EditableCaretBoxIterator fbit = it;
04347 Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin());
04348 CaretBox *b = *fbit;
04349
04350 RenderObject *cb = (*it)->containingBlock();
04351 int absx, absy;
04352
04353 if (cb) cb->absolutePosition(absx, absy);
04354 else absx = absy = 0;
04355
04356 int x = b->xPos();
04357 d->m_caretViewContext->origX = absx + x;
04358 placeCaretOnLine(b, x, absx, absy);
04359 }
04360
04361 void KHTMLView::moveCaretBy(bool next, CaretMovement cmv, int count)
04362 {
04363 if (!m_part) return;
04364 Node &caretNodeRef = m_part->d->caretNode();
04365 if (caretNodeRef.isNull()) return;
04366
04367 NodeImpl *caretNode = caretNodeRef.handle();
04368
04369 long &offset = m_part->d->caretOffset();
04370
04371 ElementImpl *baseElem = determineBaseElement(caretNode);
04372 CaretAdvancePolicy advpol = cmv != CaretByWord ? IndicatedFlows : LeafsOnly;
04373 LinearDocument ld(m_part, caretNode, offset, advpol, baseElem);
04374
04375 EditableCharacterIterator it(&ld);
04376 while (!it.isEnd() && count > 0) {
04377 count--;
04378 if (cmv == CaretByCharacter) {
04379 if (next) ++it;
04380 else --it;
04381 } else if (cmv == CaretByWord) {
04382 if (next) moveItToNextWord(it);
04383 else moveItToPrevWord(it);
04384 }
04385
04386 }
04387 CaretBox *hintBox = 0;
04388 if (!it.isEnd()) {
04389 NodeImpl *node = caretNodeRef.handle();
04390 hintBox = it.caretBox();
04391
04392
04393 mapRenderPosToDOMPos(it.renderer(), it.offset(), hintBox->isOutside(),
04394 hintBox->isOutsideEnd(), node, offset);
04395
04396 caretNodeRef = node;
04397 #if DEBUG_CARETMODE > 2
04398 kdDebug(6200) << "set by valid node " << node << " " << (node?node->nodeName().string():QString::null) << " offset: " << offset << endl;
04399 #endif
04400 } else {
04401 offset = next ? caretNode->maxOffset() : caretNode->minOffset();
04402 #if DEBUG_CARETMODE > 0
04403 kdDebug(6200) << "set by INvalid node. offset: " << offset << endl;
04404 #endif
04405 }
04406 placeCaretOnChar(hintBox);
04407 }
04408
04409 void KHTMLView::placeCaretOnChar(CaretBox *hintBox)
04410 {
04411 caretOff();
04412 recalcAndStoreCaretPos(hintBox);
04413 ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y,
04414 d->m_caretViewContext->width, d->m_caretViewContext->height);
04415 d->m_caretViewContext->origX = d->m_caretViewContext->x;
04416 d->scrollBarMoved = false;
04417 #if DEBUG_CARETMODE > 3
04418
04419 #endif
04420 ensureNodeHasFocus(m_part->d->caretNode().handle());
04421 caretOn();
04422 }
04423
04424 void KHTMLView::moveCaretByPage(bool next)
04425 {
04426 Node &caretNodeRef = m_part->d->caretNode();
04427 if (caretNodeRef.isNull()) return;
04428
04429 NodeImpl *caretNode = caretNodeRef.handle();
04430
04431 long offset = m_part->d->caretOffset();
04432
04433 int offs = (clipper()->height() < 30) ? clipper()->height() : 30;
04434
04435 int mindist = clipper()->height() - offs;
04436
04437 CaretViewContext *cv = d->caretViewContext();
04438
04439
04440 ElementImpl *baseElem = determineBaseElement(caretNode);
04441 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04442
04443 ErgonomicEditableLineIterator it(ld.current(), cv->origX);
04444
04445 moveIteratorByPage(ld, it, mindist, next);
04446
04447 int x, absx, absy;
04448 CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy);
04449
04450 placeCaretOnLine(caretBox, x, absx, absy);
04451 }
04452
04453 void KHTMLView::moveCaretPrevWord()
04454 {
04455 moveCaretBy(false, CaretByWord, 1);
04456 }
04457
04458 void KHTMLView::moveCaretNextWord()
04459 {
04460 moveCaretBy(true, CaretByWord, 1);
04461 }
04462
04463 void KHTMLView::moveCaretPrevLine(int n)
04464 {
04465 moveCaretByLine(false, n);
04466 }
04467
04468 void KHTMLView::moveCaretNextLine(int n)
04469 {
04470 moveCaretByLine(true, n);
04471 }
04472
04473 void KHTMLView::moveCaretPrevPage()
04474 {
04475 moveCaretByPage(false);
04476 }
04477
04478 void KHTMLView::moveCaretNextPage()
04479 {
04480 moveCaretByPage(true);
04481 }
04482
04483 void KHTMLView::moveCaretToLineBegin()
04484 {
04485 moveCaretToLineBoundary(false);
04486 }
04487
04488 void KHTMLView::moveCaretToLineEnd()
04489 {
04490 moveCaretToLineBoundary(true);
04491 }
04492
04493 #endif // KHTML_NO_CARET
04494
04495 #ifndef NO_SMOOTH_SCROLL_HACK
04496 #define timer timer2
04497
04498
04499 static const int SCROLL_TIME = 240;
04500
04501 static const int SCROLL_TICK = 20;
04502
04503 void KHTMLView::scrollBy(int dx, int dy)
04504 {
04505 KConfigGroup cfg( KGlobal::config(), "KDE" );
04506 if( !cfg.readBoolEntry( "SmoothScrolling", true )) {
04507 QScrollView::scrollBy( dx, dy );
04508 return;
04509 }
04510
04511 int full_dx = d->dx + dx;
04512 int full_dy = d->dy + dy;
04513
04514
04515 int ddx = 0;
04516 int ddy = 0;
04517
04518 int steps = SCROLL_TIME/SCROLL_TICK;
04519
04520 ddx = (full_dx*16)/steps;
04521 ddy = (full_dy*16)/steps;
04522
04523
04524 if (ddx > 0 && ddx < 16) ddx = 16;
04525 if (ddy > 0 && ddy < 16) ddy = 16;
04526 if (ddx < 0 && ddx > -16) ddx = -16;
04527 if (ddy < 0 && ddy > -16) ddy = -16;
04528
04529 d->dx = full_dx;
04530 d->dy = full_dy;
04531 d->ddx = ddx;
04532 d->ddy = ddy;
04533
04534 if (!d->scrolling) {
04535 scrollTick();
04536 startScrolling();
04537 }
04538 }
04539
04540 void KHTMLView::scrollTick() {
04541 if (d->dx == 0 && d->dy == 0) {
04542 stopScrolling();
04543 return;
04544 }
04545
04546 int tddx = d->ddx + d->rdx;
04547 int tddy = d->ddy + d->rdy;
04548
04549 int ddx = tddx / 16;
04550 int ddy = tddy / 16;
04551 d->rdx = tddx % 16;
04552 d->rdy = tddy % 16;
04553
04554 if (d->dx > 0 && ddx > d->dx) ddx = d->dx;
04555 else
04556 if (d->dx < 0 && ddx < d->dx) ddx = d->dx;
04557
04558 if (d->dy > 0 && ddy > d->dy) ddy = d->dy;
04559 else
04560 if (d->dy < 0 && ddy < d->dy) ddy = d->dy;
04561
04562 d->dx -= ddx;
04563 d->dy -= ddy;
04564
04565
04566 QScrollView::scrollBy(ddx, ddy);
04567 }
04568
04569 void KHTMLView::startScrolling()
04570 {
04571 d->scrolling = true;
04572 d->timer.start(SCROLL_TICK, false);
04573 }
04574
04575 void KHTMLView::stopScrolling()
04576 {
04577 d->timer.stop();
04578 d->dx = d->dy = 0;
04579 d->scrolling = false;
04580 }
04581
04582
04583 void KHTMLView::scrollViewWheelEvent( QWheelEvent *e )
04584 {
04585 int pageStep = verticalScrollBar()->pageStep();
04586 int lineStep = verticalScrollBar()->lineStep();
04587 int step = QMIN( QApplication::wheelScrollLines()*lineStep, pageStep );
04588 if ( ( e->state() & ControlButton ) || ( e->state() & ShiftButton ) )
04589 step = pageStep;
04590
04591 if(e->orientation() == Horizontal)
04592 scrollBy(-((e->delta()*step)/120), 0);
04593 else if(e->orientation() == Vertical)
04594 scrollBy(0,-((e->delta()*step)/120));
04595
04596 e->accept();
04597 }
04598
04599 #undef timer
04600
04601 #endif // NO_SMOOTH_SCROLL_HACK
04602
04603 #undef DEBUG_CARETMODE