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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
00416 #ifndef QT_NO_TOOLTIP
00417
00427 static bool findImageMapRect(HTMLImageElementImpl *img, const QPoint &scrollOfs,
00428 const QPoint &p, QRect &r, QString &s)
00429 {
00430 HTMLMapElementImpl* map;
00431 if (img && img->getDocument()->isHTMLDocument() &&
00432 (map = static_cast<HTMLDocumentImpl*>(img->getDocument())->getMap(img->imageMap()))) {
00433 RenderObject::NodeInfo info(true, false);
00434 RenderObject *rend = img->renderer();
00435 int ax, ay;
00436 if (!rend || !rend->absolutePosition(ax, ay))
00437 return false;
00438
00439 bool inside = map->mapMouseEvent(p.x() - ax + scrollOfs.x(),
00440 p.y() - ay + scrollOfs.y(), rend->contentWidth(),
00441 rend->contentHeight(), info);
00442 if (inside && info.URLElement()) {
00443 HTMLAreaElementImpl *area = static_cast<HTMLAreaElementImpl *>(info.URLElement());
00444 Q_ASSERT(area->id() == ID_AREA);
00445 s = area->getAttribute(ATTR_TITLE).string();
00446 QRegion reg = area->cachedRegion();
00447 if (!s.isEmpty() && !reg.isEmpty()) {
00448 r = reg.boundingRect();
00449 r.moveBy(ax, ay);
00450 return true;
00451 }
00452 }
00453 }
00454 return false;
00455 }
00456
00457 void KHTMLToolTip::maybeTip(const QPoint& p)
00458 {
00459 DOM::NodeImpl *node = m_viewprivate->underMouseNonShared;
00460 QRect region;
00461 while ( node ) {
00462 if ( node->isElementNode() ) {
00463 DOM::ElementImpl *e = static_cast<DOM::ElementImpl*>( node );
00464 QRect r;
00465 QString s;
00466 bool found = false;
00467
00468
00469 if (e->id() == ID_IMG && !e->getAttribute( ATTR_USEMAP ).isEmpty()) {
00470 found = findImageMapRect(static_cast<HTMLImageElementImpl *>(e),
00471 m_view->viewportToContents(QPoint(0, 0)), p, r, s);
00472 }
00473 if (!found) {
00474 s = e->getAttribute( ATTR_TITLE ).string();
00475 r = node->getRect();
00476 }
00477 region |= QRect( m_view->contentsToViewport( r.topLeft() ), r.size() );
00478 if ( !s.isEmpty() ) {
00479 tip( region, QStyleSheet::convertFromPlainText( s, QStyleSheetItem::WhiteSpaceNormal ) );
00480 break;
00481 }
00482 }
00483 node = node->parentNode();
00484 }
00485 }
00486 #endif
00487
00488 KHTMLView::KHTMLView( KHTMLPart *part, QWidget *parent, const char *name)
00489 : QScrollView( parent, name, WResizeNoErase | WRepaintNoErase )
00490 {
00491 m_medium = "screen";
00492
00493 m_part = part;
00494 d = new KHTMLViewPrivate;
00495 QScrollView::setVScrollBarMode(d->vmode);
00496 QScrollView::setHScrollBarMode(d->hmode);
00497 connect(kapp, SIGNAL(kdisplayPaletteChanged()), this, SLOT(slotPaletteChanged()));
00498 connect(this, SIGNAL(contentsMoving(int, int)), this, SLOT(slotScrollBarMoved()));
00499
00500
00501 enableClipper(true);
00502
00503 static_cast<KHTMLView *>(static_cast<QWidget *>(viewport()))->setWFlags(WPaintUnclipped);
00504
00505 setResizePolicy(Manual);
00506 viewport()->setMouseTracking(true);
00507 viewport()->setBackgroundMode(NoBackground);
00508
00509 KImageIO::registerFormats();
00510
00511 #ifndef QT_NO_TOOLTIP
00512 d->tooltip = new KHTMLToolTip( this, d );
00513 #endif
00514
00515 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00516 connect(&d->timer, SIGNAL(timeout()), this, SLOT(findTimeout()));
00517 #endif // KHTML_NO_TYPE_AHEAD_FIND
00518
00519 init();
00520
00521 viewport()->show();
00522 #ifndef NO_SMOOTH_SCROLL_HACK
00523 #define timer timer2
00524 connect(&d->timer, SIGNAL(timeout()), this, SLOT(scrollTick()));
00525 #undef timer
00526 #endif
00527
00528 }
00529
00530 KHTMLView::~KHTMLView()
00531 {
00532 closeChildDialogs();
00533 if (m_part)
00534 {
00535
00536
00537 DOM::DocumentImpl *doc = m_part->xmlDocImpl();
00538 if (doc)
00539 doc->detach();
00540 }
00541 delete d; d = 0;
00542 }
00543
00544 void KHTMLView::init()
00545 {
00546 if(!d->paintBuffer) d->paintBuffer = new QPixmap(PAINT_BUFFER_HEIGHT, PAINT_BUFFER_HEIGHT);
00547 if(!d->vertPaintBuffer)
00548 d->vertPaintBuffer = new QPixmap(10, PAINT_BUFFER_HEIGHT);
00549 if(!d->tp) d->tp = new QPainter();
00550
00551 setFocusPolicy(QWidget::StrongFocus);
00552 viewport()->setFocusProxy(this);
00553
00554 _marginWidth = -1;
00555 _marginHeight = -1;
00556 _width = 0;
00557 _height = 0;
00558
00559 installEventFilter(this);
00560
00561 setAcceptDrops(true);
00562 QSize s = viewportSize(4095, 4095);
00563 resizeContents(s.width(), s.height());
00564 }
00565
00566 void KHTMLView::clear()
00567 {
00568
00569 setStaticBackground(true);
00570 #ifndef KHTML_NO_CARET
00571 if (!m_part->isCaretMode() && !m_part->isEditable()) caretOff();
00572 #endif
00573
00574 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00575 if( d->typeAheadActivated )
00576 findTimeout();
00577 #endif
00578 if (d->accessKeysEnabled && d->accessKeysActivated)
00579 accessKeysTimeout();
00580 viewport()->unsetCursor();
00581 if ( d->cursor_icon_widget )
00582 d->cursor_icon_widget->hide();
00583 d->reset();
00584 killTimers();
00585 emit cleared();
00586
00587 QScrollView::setHScrollBarMode(d->hmode);
00588 QScrollView::setVScrollBarMode(d->vmode);
00589 verticalScrollBar()->setEnabled( false );
00590 horizontalScrollBar()->setEnabled( false );
00591 }
00592
00593 void KHTMLView::hideEvent(QHideEvent* e)
00594 {
00595 QScrollView::hideEvent(e);
00596 if ( m_part && m_part->xmlDocImpl() )
00597 m_part->xmlDocImpl()->docLoader()->pauseAnimations();
00598 }
00599
00600 void KHTMLView::showEvent(QShowEvent* e)
00601 {
00602 QScrollView::showEvent(e);
00603 if ( m_part && m_part->xmlDocImpl() )
00604 m_part->xmlDocImpl()->docLoader()->resumeAnimations();
00605 }
00606
00607 void KHTMLView::resizeEvent (QResizeEvent* e)
00608 {
00609 int dw = e->oldSize().width() - e->size().width();
00610 int dh = e->oldSize().height() - e->size().height();
00611
00612
00613
00614 dw = dw>0 ? kMax(0, contentsWidth()-dw) : contentsWidth();
00615 dh = dh>0 ? kMax(0, contentsHeight()-dh) : contentsHeight();
00616
00617 resizeContents(dw, dh);
00618
00619 QScrollView::resizeEvent(e);
00620
00621 if ( m_part && m_part->xmlDocImpl() )
00622 m_part->xmlDocImpl()->dispatchWindowEvent( EventImpl::RESIZE_EVENT, false, false );
00623 }
00624
00625 void KHTMLView::viewportResizeEvent (QResizeEvent* e)
00626 {
00627 QScrollView::viewportResizeEvent(e);
00628
00629
00630
00631
00632 if (d->layoutSchedulingEnabled)
00633 layout();
00634 #ifndef KHTML_NO_CARET
00635 else {
00636 hideCaret();
00637 recalcAndStoreCaretPos();
00638 showCaret();
00639 }
00640 #endif
00641
00642 KApplication::sendPostedEvents(viewport(), QEvent::Paint);
00643 }
00644
00645
00646 void KHTMLView::drawContents( QPainter*)
00647 {
00648 }
00649
00650 void KHTMLView::drawContents( QPainter *p, int ex, int ey, int ew, int eh )
00651 {
00652 #ifdef DEBUG_PIXEL
00653
00654 if ( d->timer.elapsed() > 5000 ) {
00655 qDebug( "drawed %d pixels in %d repaints the last %d milliseconds",
00656 d->pixelbooth, d->repaintbooth, d->timer.elapsed() );
00657 d->timer.restart();
00658 d->pixelbooth = 0;
00659 d->repaintbooth = 0;
00660 }
00661 d->pixelbooth += ew*eh;
00662 d->repaintbooth++;
00663 #endif
00664
00665
00666 if(!m_part || !m_part->xmlDocImpl() || !m_part->xmlDocImpl()->renderer()) {
00667 p->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00668 return;
00669 } else if ( d->complete && static_cast<RenderCanvas*>(m_part->xmlDocImpl()->renderer())->needsLayout() ) {
00670
00671 unscheduleRelayout();
00672 layout();
00673 }
00674
00675 if (d->painting) {
00676 kdDebug( 6000 ) << "WARNING: drawContents reentered! " << endl;
00677 return;
00678 }
00679 d->painting = true;
00680
00681 QPoint pt = contentsToViewport(QPoint(ex, ey));
00682 QRegion cr = QRect(pt.x(), pt.y(), ew, eh);
00683
00684
00685 for (QPtrDictIterator<QWidget> it(d->visibleWidgets); it.current(); ++it) {
00686 QWidget *w = it.current();
00687 RenderWidget* rw = static_cast<RenderWidget*>( it.currentKey() );
00688 if (w && rw && !rw->isKHTMLWidget()) {
00689 int x, y;
00690 rw->absolutePosition(x, y);
00691 contentsToViewport(x, y, x, y);
00692 int pbx = rw->borderLeft()+rw->paddingLeft();
00693 int pby = rw->borderTop()+rw->paddingTop();
00694 QRect g = QRect(x+pbx, y+pby,
00695 rw->width()-pbx-rw->borderRight()-rw->paddingRight(),
00696 rw->height()-pby-rw->borderBottom()-rw->paddingBottom());
00697 if ( !rw->isFrame() && ((g.top() > pt.y()+eh) || (g.bottom() <= pt.y()) ||
00698 (g.right() <= pt.x()) || (g.left() > pt.x()+ew) ))
00699 continue;
00700 RenderLayer* rl = rw->needsMask() ? rw->enclosingStackingContext() : 0;
00701 QRegion mask = rl ? rl->getMask() : QRegion();
00702 if (!mask.isNull()) {
00703 QPoint o(0,0);
00704 o = contentsToViewport(o);
00705 mask.translate(o.x(),o.y());
00706 mask = mask.intersect( QRect(g.x(),g.y(),g.width(),g.height()) );
00707 cr -= mask;
00708 } else {
00709 cr -= g;
00710 }
00711 }
00712 }
00713
00714 #if 0
00715
00716
00717 if (cr.isEmpty()) {
00718 d->painting = false;
00719 return;
00720 }
00721 #endif
00722
00723 #ifndef DEBUG_NO_PAINT_BUFFER
00724 p->setClipRegion(cr);
00725
00726 if (eh > PAINT_BUFFER_HEIGHT && ew <= 10) {
00727 if ( d->vertPaintBuffer->height() < visibleHeight() )
00728 d->vertPaintBuffer->resize(10, visibleHeight());
00729 d->tp->begin(d->vertPaintBuffer);
00730 d->tp->translate(-ex, -ey);
00731 d->tp->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00732 m_part->xmlDocImpl()->renderer()->layer()->paint(d->tp, QRect(ex, ey, ew, eh));
00733 d->tp->end();
00734 p->drawPixmap(ex, ey, *d->vertPaintBuffer, 0, 0, ew, eh);
00735 }
00736 else {
00737 if ( d->paintBuffer->width() < visibleWidth() )
00738 d->paintBuffer->resize(visibleWidth(),PAINT_BUFFER_HEIGHT);
00739
00740 int py=0;
00741 while (py < eh) {
00742 int ph = eh-py < PAINT_BUFFER_HEIGHT ? eh-py : PAINT_BUFFER_HEIGHT;
00743 d->tp->begin(d->paintBuffer);
00744 d->tp->translate(-ex, -ey-py);
00745 d->tp->fillRect(ex, ey+py, ew, ph, palette().active().brush(QColorGroup::Base));
00746 m_part->xmlDocImpl()->renderer()->layer()->paint(d->tp, QRect(ex, ey+py, ew, ph));
00747 d->tp->end();
00748
00749 p->drawPixmap(ex, ey+py, *d->paintBuffer, 0, 0, ew, ph);
00750 py += PAINT_BUFFER_HEIGHT;
00751 }
00752 }
00753 #else // !DEBUG_NO_PAINT_BUFFER
00754 static int cnt=0;
00755 ex = contentsX(); ey = contentsY();
00756 ew = visibleWidth(); eh = visibleHeight();
00757 QRect pr(ex,ey,ew,eh);
00758 kdDebug() << "[" << ++cnt << "]" << " clip region: " << pr << endl;
00759
00760
00761 p->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00762 m_part->xmlDocImpl()->renderer()->layer()->paint(p, pr);
00763 #endif // DEBUG_NO_PAINT_BUFFER
00764
00765 #ifndef KHTML_NO_CARET
00766 if (d->m_caretViewContext && d->m_caretViewContext->visible) {
00767 QRect pos(d->m_caretViewContext->x, d->m_caretViewContext->y,
00768 d->m_caretViewContext->width, d->m_caretViewContext->height);
00769 if (pos.intersects(QRect(ex, ey, ew, eh))) {
00770 p->setRasterOp(XorROP);
00771 p->setPen(white);
00772 if (pos.width() == 1)
00773 p->drawLine(pos.topLeft(), pos.bottomRight());
00774 else {
00775 p->fillRect(pos, white);
00776 }
00777 }
00778 }
00779 #endif // KHTML_NO_CARET
00780
00781
00782
00783
00784 khtml::DrawContentsEvent event( p, ex, ey, ew, eh );
00785 QApplication::sendEvent( m_part, &event );
00786
00787 if (d->scrollingSelf || d->contentsMoving || cr.contains(viewport()->mapFromGlobal(QCursor::pos()))) {
00788 QMouseEvent *tempEvent = new QMouseEvent( QEvent::MouseMove, viewport()->mapFromGlobal( QCursor::pos() ), Qt::NoButton, Qt::NoButton );
00789 viewportMouseMoveEvent( tempEvent );
00790 delete tempEvent;
00791 }
00792
00793 d->painting = false;
00794 }
00795
00796 void KHTMLView::setMarginWidth(int w)
00797 {
00798
00799 _marginWidth = w;
00800 }
00801
00802 void KHTMLView::setMarginHeight(int h)
00803 {
00804
00805 _marginHeight = h;
00806 }
00807
00808 void KHTMLView::layout()
00809 {
00810 if( m_part && m_part->xmlDocImpl() ) {
00811 DOM::DocumentImpl *document = m_part->xmlDocImpl();
00812
00813 khtml::RenderCanvas* canvas = static_cast<khtml::RenderCanvas *>(document->renderer());
00814 if ( !canvas ) return;
00815
00816 d->layoutSchedulingEnabled=false;
00817
00818
00819 RenderObject * ref = 0;
00820 RenderObject* root = document->documentElement() ? document->documentElement()->renderer() : 0;
00821
00822 if (document->isHTMLDocument()) {
00823 NodeImpl *body = static_cast<HTMLDocumentImpl*>(document)->body();
00824 if(body && body->renderer() && body->id() == ID_FRAMESET) {
00825 QScrollView::setVScrollBarMode(AlwaysOff);
00826 QScrollView::setHScrollBarMode(AlwaysOff);
00827 body->renderer()->setNeedsLayout(true);
00828
00829
00830
00831
00832 }
00833 else {
00834 if (!d->tooltip)
00835 d->tooltip = new KHTMLToolTip( this, d );
00836
00837 if (root)
00838 ref = (!body || root->style()->hidesOverflow()) ? root : body->renderer();
00839 }
00840 } else {
00841 ref = root;
00842 }
00843
00844 if (ref) {
00845 if( ref->style()->overflowX() == OHIDDEN )
00846 if (d->hmode == Auto) QScrollView::setHScrollBarMode(AlwaysOff);
00847 else
00848 if (QScrollView::hScrollBarMode() == AlwaysOff) QScrollView::setHScrollBarMode(d->hmode);
00849 if ( ref->style()->overflowY() == OHIDDEN )
00850 if (d->vmode == Auto) QScrollView::setVScrollBarMode(AlwaysOff);
00851 else
00852 if (QScrollView::vScrollBarMode() == AlwaysOff) QScrollView::setVScrollBarMode(d->vmode);
00853 }
00854 d->needsFullRepaint = d->firstRelayout;
00855 if (_height != visibleHeight() || _width != visibleWidth()) {;
00856 d->needsFullRepaint = true;
00857 _height = visibleHeight();
00858 _width = visibleWidth();
00859 }
00860
00861
00862 canvas->layout();
00863
00864 emit finishedLayout();
00865 if (d->firstRelayout) {
00866
00867
00868 d->firstRelayout = false;
00869 verticalScrollBar()->setEnabled( true );
00870 horizontalScrollBar()->setEnabled( true );
00871 }
00872 #if 0
00873 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__");
00874 if (listitem) kdDebug(6000) << "after layout, before repaint" << endl;
00875 if (listitem) dumpLineBoxes(static_cast<RenderFlow *>(listitem->renderer()));
00876 #endif
00877 #ifndef KHTML_NO_CARET
00878 hideCaret();
00879 if ((m_part->isCaretMode() || m_part->isEditable())
00880 && !d->complete && d->m_caretViewContext
00881 && !d->m_caretViewContext->caretMoved) {
00882 initCaret();
00883 } else {
00884 recalcAndStoreCaretPos();
00885 showCaret();
00886 }
00887 #endif
00888 if (d->accessKeysEnabled && d->accessKeysActivated) {
00889 emit hideAccessKeys();
00890 displayAccessKeys();
00891 }
00892
00893 }
00894 else
00895 _width = visibleWidth();
00896
00897 killTimer(d->layoutTimerId);
00898 d->layoutTimerId = 0;
00899 d->layoutSchedulingEnabled=true;
00900 }
00901
00902 void KHTMLView::closeChildDialogs()
00903 {
00904 QObjectList *dlgs = queryList("QDialog");
00905 for (QObject *dlg = dlgs->first(); dlg; dlg = dlgs->next())
00906 {
00907 KDialogBase* dlgbase = dynamic_cast<KDialogBase *>( dlg );
00908 if ( dlgbase ) {
00909 if ( dlgbase->testWFlags( WShowModal ) ) {
00910 kdDebug(6000) << "closeChildDialogs: closing dialog " << dlgbase << endl;
00911
00912
00913 dlgbase->cancel();
00914 }
00915 }
00916 else
00917 {
00918 kdWarning() << "closeChildDialogs: not a KDialogBase! Don't use QDialogs in KDE! " << static_cast<QWidget*>(dlg) << endl;
00919 static_cast<QWidget*>(dlg)->hide();
00920 }
00921 }
00922 delete dlgs;
00923 d->m_dialogsAllowed = false;
00924 }
00925
00926 bool KHTMLView::dialogsAllowed() {
00927 bool allowed = d->m_dialogsAllowed;
00928 KHTMLPart* p = m_part->parentPart();
00929 if (p && p->view())
00930 allowed &= p->view()->dialogsAllowed();
00931 return allowed;
00932 }
00933
00934 void KHTMLView::closeEvent( QCloseEvent* ev )
00935 {
00936 closeChildDialogs();
00937 QScrollView::closeEvent( ev );
00938 }
00939
00940
00941
00942
00944
00945 void KHTMLView::viewportMousePressEvent( QMouseEvent *_mouse )
00946 {
00947 if (!m_part->xmlDocImpl()) return;
00948 if (d->possibleTripleClick && ( _mouse->button() & MouseButtonMask ) == LeftButton)
00949 {
00950 viewportMouseDoubleClickEvent( _mouse );
00951 return;
00952 }
00953
00954 int xm, ym;
00955 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
00956
00957
00958 d->isDoubleClick = false;
00959
00960 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MousePress );
00961 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
00962
00963
00964
00965 if ( (_mouse->button() == MidButton) &&
00966 !m_part->d->m_bOpenMiddleClick && !d->m_mouseScrollTimer &&
00967 mev.url.isNull() && (mev.innerNode.elementId() != ID_INPUT) ) {
00968 QPoint point = mapFromGlobal( _mouse->globalPos() );
00969
00970 d->m_mouseScroll_byX = 0;
00971 d->m_mouseScroll_byY = 0;
00972
00973 d->m_mouseScrollTimer = new QTimer( this );
00974 connect( d->m_mouseScrollTimer, SIGNAL(timeout()), this, SLOT(slotMouseScrollTimer()) );
00975
00976 if ( !d->m_mouseScrollIndicator ) {
00977 QPixmap pixmap, icon;
00978 pixmap.resize( 48, 48 );
00979 pixmap.fill( QColor( qRgba( 127, 127, 127, 127 ) ) );
00980
00981 QPainter p( &pixmap );
00982 icon = KGlobal::iconLoader()->loadIcon( "1uparrow", KIcon::Small );
00983 p.drawPixmap( 16, 0, icon );
00984 icon = KGlobal::iconLoader()->loadIcon( "1leftarrow", KIcon::Small );
00985 p.drawPixmap( 0, 16, icon );
00986 icon = KGlobal::iconLoader()->loadIcon( "1downarrow", KIcon::Small );
00987 p.drawPixmap( 16, 32,icon );
00988 icon = KGlobal::iconLoader()->loadIcon( "1rightarrow", KIcon::Small );
00989 p.drawPixmap( 32, 16, icon );
00990 p.drawEllipse( 23, 23, 2, 2 );
00991
00992 d->m_mouseScrollIndicator = new QWidget( this, 0 );
00993 d->m_mouseScrollIndicator->setFixedSize( 48, 48 );
00994 d->m_mouseScrollIndicator->setPaletteBackgroundPixmap( pixmap );
00995 }
00996 d->m_mouseScrollIndicator->move( point.x()-24, point.y()-24 );
00997
00998 bool hasHorBar = visibleWidth() < contentsWidth();
00999 bool hasVerBar = visibleHeight() < contentsHeight();
01000
01001 KConfig *config = KGlobal::config();
01002 KConfigGroupSaver saver( config, "HTML Settings" );
01003 if ( config->readBoolEntry( "ShowMouseScrollIndicator", true ) ) {
01004 d->m_mouseScrollIndicator->show();
01005 d->m_mouseScrollIndicator->unsetCursor();
01006
01007 QBitmap mask = d->m_mouseScrollIndicator->paletteBackgroundPixmap()->createHeuristicMask( true );
01008
01009 if ( hasHorBar && !hasVerBar ) {
01010 QBitmap bm( 16, 16, true );
01011 bitBlt( &mask, 16, 0, &bm, 0, 0, -1, -1 );
01012 bitBlt( &mask, 16, 32, &bm, 0, 0, -1, -1 );
01013 d->m_mouseScrollIndicator->setCursor( KCursor::SizeHorCursor );
01014 }
01015 else if ( !hasHorBar && hasVerBar ) {
01016 QBitmap bm( 16, 16, true );
01017 bitBlt( &mask, 0, 16, &bm, 0, 0, -1, -1 );
01018 bitBlt( &mask, 32, 16, &bm, 0, 0, -1, -1 );
01019 d->m_mouseScrollIndicator->setCursor( KCursor::SizeVerCursor );
01020 }
01021 else
01022 d->m_mouseScrollIndicator->setCursor( KCursor::SizeAllCursor );
01023
01024 d->m_mouseScrollIndicator->setMask( mask );
01025 }
01026 else {
01027 if ( hasHorBar && !hasVerBar )
01028 viewport()->setCursor( KCursor::SizeHorCursor );
01029 else if ( !hasHorBar && hasVerBar )
01030 viewport()->setCursor( KCursor::SizeVerCursor );
01031 else
01032 viewport()->setCursor( KCursor::SizeAllCursor );
01033 }
01034
01035 return;
01036 }
01037 else if ( d->m_mouseScrollTimer ) {
01038 delete d->m_mouseScrollTimer;
01039 d->m_mouseScrollTimer = 0;
01040
01041 if ( d->m_mouseScrollIndicator )
01042 d->m_mouseScrollIndicator->hide();
01043 }
01044
01045 d->clickCount = 1;
01046 d->clickX = xm;
01047 d->clickY = ym;
01048
01049 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEDOWN_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01050 d->clickCount,_mouse,true,DOM::NodeImpl::MousePress);
01051
01052 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01053 if (r && r->isWidget())
01054 _mouse->ignore();
01055
01056 if (!swallowEvent) {
01057 emit m_part->nodeActivated(mev.innerNode);
01058
01059 khtml::MousePressEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01060 QApplication::sendEvent( m_part, &event );
01061
01062 }
01063 }
01064
01065 void KHTMLView::viewportMouseDoubleClickEvent( QMouseEvent *_mouse )
01066 {
01067 if(!m_part->xmlDocImpl()) return;
01068
01069 int xm, ym;
01070 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01071
01072 kdDebug( 6000 ) << "mouseDblClickEvent: x=" << xm << ", y=" << ym << endl;
01073
01074 d->isDoubleClick = true;
01075
01076 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseDblClick );
01077 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
01078
01079
01080
01081 if (d->clickCount > 0 &&
01082 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= QApplication::startDragDistance())
01083 d->clickCount++;
01084 else {
01085 d->clickCount = 1;
01086 d->clickX = xm;
01087 d->clickY = ym;
01088 }
01089 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEDOWN_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01090 d->clickCount,_mouse,true,DOM::NodeImpl::MouseDblClick);
01091
01092 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01093 if (r && r->isWidget())
01094 _mouse->ignore();
01095
01096 if (!swallowEvent) {
01097 khtml::MouseDoubleClickEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode, d->clickCount );
01098 QApplication::sendEvent( m_part, &event );
01099 }
01100
01101 d->possibleTripleClick=true;
01102 QTimer::singleShot(QApplication::doubleClickInterval(),this,SLOT(tripleClickTimeout()));
01103 }
01104
01105 void KHTMLView::tripleClickTimeout()
01106 {
01107 d->possibleTripleClick = false;
01108 d->clickCount = 0;
01109 }
01110
01111 static inline void forwardPeripheralEvent(khtml::RenderWidget* r, QMouseEvent* me, int x, int y)
01112 {
01113 int absx = 0;
01114 int absy = 0;
01115 r->absolutePosition(absx, absy);
01116 QPoint p(x-absx, y-absy);
01117 QMouseEvent fw(me->type(), p, me->button(), me->state());
01118 QWidget* w = r->widget();
01119 QScrollView* sc = ::qt_cast<QScrollView*>(w);
01120 if (sc && !::qt_cast<QListBox*>(w))
01121 static_cast<khtml::RenderWidget::ScrollViewEventPropagator*>(sc)->sendEvent(&fw);
01122 else if(w)
01123 static_cast<khtml::RenderWidget::EventPropagator*>(w)->sendEvent(&fw);
01124 }
01125
01126
01127 static bool targetOpensNewWindow(KHTMLPart *part, QString target)
01128 {
01129 if (!target.isEmpty() && (target.lower() != "_top") &&
01130 (target.lower() != "_self") && (target.lower() != "_parent")) {
01131 if (target.lower() == "_blank")
01132 return true;
01133 else {
01134 while (part->parentPart())
01135 part = part->parentPart();
01136 if (!part->frameExists(target))
01137 return true;
01138 }
01139 }
01140 return false;
01141 }
01142
01143 void KHTMLView::viewportMouseMoveEvent( QMouseEvent * _mouse )
01144 {
01145 if ( d->m_mouseScrollTimer ) {
01146 QPoint point = mapFromGlobal( _mouse->globalPos() );
01147
01148 int deltaX = point.x() - d->m_mouseScrollIndicator->x() - 24;
01149 int deltaY = point.y() - d->m_mouseScrollIndicator->y() - 24;
01150
01151 (deltaX > 0) ? d->m_mouseScroll_byX = 1 : d->m_mouseScroll_byX = -1;
01152 (deltaY > 0) ? d->m_mouseScroll_byY = 1 : d->m_mouseScroll_byY = -1;
01153
01154 double adX = QABS(deltaX)/30.0;
01155 double adY = QABS(deltaY)/30.0;
01156
01157 d->m_mouseScroll_byX = kMax(kMin(d->m_mouseScroll_byX * int(adX*adX), SHRT_MAX), SHRT_MIN);
01158 d->m_mouseScroll_byY = kMax(kMin(d->m_mouseScroll_byY * int(adY*adY), SHRT_MAX), SHRT_MIN);
01159
01160 if (d->m_mouseScroll_byX == 0 && d->m_mouseScroll_byY == 0) {
01161 d->m_mouseScrollTimer->stop();
01162 }
01163 else if (!d->m_mouseScrollTimer->isActive()) {
01164 d->m_mouseScrollTimer->changeInterval( 20 );
01165 }
01166 }
01167
01168 if(!m_part->xmlDocImpl()) return;
01169
01170 int xm, ym;
01171 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01172
01173 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseMove );
01174
01175 m_part->xmlDocImpl()->prepareMouseEvent( _mouse->state() & Qt::MouseButtonMask , xm, ym, &mev );
01176
01177
01178
01179
01180
01181 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEMOVE_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),false,
01182 0,_mouse,true,DOM::NodeImpl::MouseMove);
01183
01184 if (d->clickCount > 0 &&
01185 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() > QApplication::startDragDistance()) {
01186 d->clickCount = 0;
01187 }
01188
01189
01190 m_part->executeScheduledScript();
01191
01192 DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode();
01193 if (fn && fn != mev.innerNode.handle() &&
01194 fn->renderer() && fn->renderer()->isWidget()) {
01195 forwardPeripheralEvent(static_cast<khtml::RenderWidget*>(fn->renderer()), _mouse, xm, ym);
01196 }
01197
01198 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01199 khtml::RenderStyle* style = (r && r->style()) ? r->style() : 0;
01200 QCursor c;
01201 bool mailtoCursor = false;
01202 bool newWindowCursor = false;
01203 switch ( style ? style->cursor() : CURSOR_AUTO) {
01204 case CURSOR_AUTO:
01205 if ( r && r->isText() )
01206 c = KCursor::ibeamCursor();
01207 if ( mev.url.length() && m_part->settings()->changeCursor() ) {
01208 c = m_part->urlCursor();
01209 if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0)
01210 mailtoCursor = true;
01211 else
01212 newWindowCursor = targetOpensNewWindow( m_part, mev.target.string() );
01213 }
01214
01215 if (r && r->isFrameSet() && !static_cast<RenderFrameSet*>(r)->noResize())
01216 c = QCursor(static_cast<RenderFrameSet*>(r)->cursorShape());
01217
01218 break;
01219 case CURSOR_CROSS:
01220 c = KCursor::crossCursor();
01221 break;
01222 case CURSOR_POINTER:
01223 c = m_part->urlCursor();
01224 if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0)
01225 mailtoCursor = true;
01226 else
01227 newWindowCursor = targetOpensNewWindow( m_part, mev.target.string() );
01228 break;
01229 case CURSOR_PROGRESS:
01230 c = KCursor::workingCursor();
01231 break;
01232 case CURSOR_MOVE:
01233 c = KCursor::sizeAllCursor();
01234 break;
01235 case CURSOR_E_RESIZE:
01236 case CURSOR_W_RESIZE:
01237 c = KCursor::sizeHorCursor();
01238 break;
01239 case CURSOR_N_RESIZE:
01240 case CURSOR_S_RESIZE:
01241 c = KCursor::sizeVerCursor();
01242 break;
01243 case CURSOR_NE_RESIZE:
01244 case CURSOR_SW_RESIZE:
01245 c = KCursor::sizeBDiagCursor();
01246 break;
01247 case CURSOR_NW_RESIZE:
01248 case CURSOR_SE_RESIZE:
01249 c = KCursor::sizeFDiagCursor();
01250 break;
01251 case CURSOR_TEXT:
01252 c = KCursor::ibeamCursor();
01253 break;
01254 case CURSOR_WAIT:
01255 c = KCursor::waitCursor();
01256 break;
01257 case CURSOR_HELP:
01258 c = KCursor::whatsThisCursor();
01259 break;
01260 case CURSOR_DEFAULT:
01261 break;
01262 }
01263
01264 if ( viewport()->cursor().handle() != c.handle() ) {
01265 if( c.handle() == KCursor::arrowCursor().handle()) {
01266 for (KHTMLPart* p = m_part; p; p = p->parentPart())
01267 p->view()->viewport()->unsetCursor();
01268 }
01269 else {
01270 viewport()->setCursor( c );
01271 }
01272 }
01273
01274 if ( ( mailtoCursor || newWindowCursor ) && isVisible() && hasFocus() ) {
01275 #ifdef Q_WS_X11
01276 if( !d->cursor_icon_widget ) {
01277 QPixmap icon_pixmap = KGlobal::iconLoader()->loadIcon( mailtoCursor ? "mail_generic" : "window_new", KIcon::Small, 0, KIcon::DefaultState, 0, true );
01278 d->cursor_icon_widget = new QWidget( NULL, NULL, WX11BypassWM );
01279 XSetWindowAttributes attr;
01280 attr.save_under = True;
01281 XChangeWindowAttributes( qt_xdisplay(), d->cursor_icon_widget->winId(), CWSaveUnder, &attr );
01282 d->cursor_icon_widget->resize( icon_pixmap.width(), icon_pixmap.height());
01283 if( icon_pixmap.mask() )
01284 d->cursor_icon_widget->setMask( *icon_pixmap.mask());
01285 else
01286 d->cursor_icon_widget->clearMask();
01287 d->cursor_icon_widget->setBackgroundPixmap( icon_pixmap );
01288 d->cursor_icon_widget->erase();
01289 }
01290 QPoint c_pos = QCursor::pos();
01291 d->cursor_icon_widget->move( c_pos.x() + 15, c_pos.y() + 15 );
01292 XRaiseWindow( qt_xdisplay(), d->cursor_icon_widget->winId());
01293 QApplication::flushX();
01294 d->cursor_icon_widget->show();
01295 #endif
01296 }
01297 else if ( d->cursor_icon_widget )
01298 d->cursor_icon_widget->hide();
01299
01300 if (r && r->isWidget()) {
01301 _mouse->ignore();
01302 }
01303
01304
01305 d->prevMouseX = xm;
01306 d->prevMouseY = ym;
01307
01308 if (!swallowEvent) {
01309 khtml::MouseMoveEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01310 QApplication::sendEvent( m_part, &event );
01311 }
01312 }
01313
01314 void KHTMLView::viewportMouseReleaseEvent( QMouseEvent * _mouse )
01315 {
01316 bool swallowEvent = false;
01317 int xm, ym;
01318 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01319 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseRelease );
01320
01321 if ( m_part->xmlDocImpl() )
01322 {
01323 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
01324
01325 swallowEvent = dispatchMouseEvent(EventImpl::MOUSEUP_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01326 d->clickCount,_mouse,false,DOM::NodeImpl::MouseRelease);
01327
01328 if (d->clickCount > 0 &&
01329 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= QApplication::startDragDistance()) {
01330 QMouseEvent me(d->isDoubleClick ? QEvent::MouseButtonDblClick : QEvent::MouseButtonRelease,
01331 _mouse->pos(), _mouse->button(), _mouse->state());
01332 dispatchMouseEvent(EventImpl::CLICK_EVENT, mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01333 d->clickCount, &me, true, DOM::NodeImpl::MouseRelease);
01334 }
01335
01336 DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode();
01337 if (fn && fn != mev.innerNode.handle() &&
01338 fn->renderer() && fn->renderer()->isWidget() &&
01339 _mouse->button() != MidButton) {
01340 forwardPeripheralEvent(static_cast<khtml::RenderWidget*>(fn->renderer()), _mouse, xm, ym);
01341 }
01342
01343 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01344 if (r && r->isWidget())
01345 _mouse->ignore();
01346 }
01347
01348 if (!swallowEvent) {
01349 khtml::MouseReleaseEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01350 QApplication::sendEvent( m_part, &event );
01351 }
01352 }
01353
01354
01355 bool KHTMLView::dispatchKeyEvent( QKeyEvent *_ke )
01356 {
01357 if (!m_part->xmlDocImpl())
01358 return false;
01359
01360
01361
01362
01363
01364
01365
01366
01367
01368
01369
01370
01371
01372
01373
01374
01375
01376
01377
01378
01379 if( _ke == d->postponed_autorepeat )
01380 {
01381 return false;
01382 }
01383
01384 if( _ke->type() == QEvent::KeyPress )
01385 {
01386 if( !_ke->isAutoRepeat())
01387 {
01388 bool ret = dispatchKeyEventHelper( _ke, false );
01389
01390 if( !ret && dispatchKeyEventHelper( _ke, true ))
01391 ret = true;
01392 return ret;
01393 }
01394 else
01395 {
01396 bool ret = dispatchKeyEventHelper( _ke, true );
01397 if( !ret && d->postponed_autorepeat )
01398 keyPressEvent( d->postponed_autorepeat );
01399 delete d->postponed_autorepeat;
01400 d->postponed_autorepeat = NULL;
01401 return ret;
01402 }
01403 }
01404 else
01405 {
01406
01407
01408 if ( d->postponed_autorepeat ) {
01409 delete d->postponed_autorepeat;
01410 d->postponed_autorepeat = 0;
01411 }
01412
01413 if( !_ke->isAutoRepeat()) {
01414 return dispatchKeyEventHelper( _ke, false );
01415 }
01416 else
01417 {
01418 d->postponed_autorepeat = new QKeyEvent( _ke->type(), _ke->key(), _ke->ascii(), _ke->state(),
01419 _ke->text(), _ke->isAutoRepeat(), _ke->count());
01420 if( _ke->isAccepted())
01421 d->postponed_autorepeat->accept();
01422 else
01423 d->postponed_autorepeat->ignore();
01424 return true;
01425 }
01426 }
01427 }
01428
01429
01430 bool KHTMLView::dispatchKeyEventHelper( QKeyEvent *_ke, bool keypress )
01431 {
01432 DOM::NodeImpl* keyNode = m_part->xmlDocImpl()->focusNode();
01433 if (keyNode) {
01434 return keyNode->dispatchKeyEvent(_ke, keypress);
01435 } else {
01436 return m_part->xmlDocImpl()->dispatchKeyEvent(_ke, keypress);
01437 }
01438 }
01439
01440 void KHTMLView::keyPressEvent( QKeyEvent *_ke )
01441 {
01442 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01443 if(d->typeAheadActivated)
01444 {
01445
01446 if(_ke->key() == Key_BackSpace)
01447 {
01448 d->findString = d->findString.left(d->findString.length() - 1);
01449
01450 if(!d->findString.isEmpty())
01451 {
01452 findAhead(false);
01453 }
01454 else
01455 {
01456 findTimeout();
01457 }
01458
01459 d->timer.start(3000, true);
01460 _ke->accept();
01461 return;
01462 }
01463 else if(_ke->key() == Key_Escape)
01464 {
01465 findTimeout();
01466
01467 _ke->accept();
01468 return;
01469 }
01470 else if(_ke->key() == Key_Space || !_ke->text().stripWhiteSpace().isEmpty())
01471 {
01472 d->findString += _ke->text();
01473
01474 findAhead(true);
01475
01476 d->timer.start(3000, true);
01477 _ke->accept();
01478 return;
01479 }
01480 }
01481 #endif // KHTML_NO_TYPE_AHEAD_FIND
01482
01483 #ifndef KHTML_NO_CARET
01484 if (m_part->isEditable() || m_part->isCaretMode()
01485 || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode()
01486 && m_part->xmlDocImpl()->focusNode()->contentEditable())) {
01487 d->caretViewContext()->keyReleasePending = true;
01488 caretKeyPressEvent(_ke);
01489 return;
01490 }
01491 #endif // KHTML_NO_CARET
01492
01493
01494 if (d->accessKeysEnabled && _ke->key() == Key_Control && _ke->state()==0 && !d->accessKeysActivated)
01495 {
01496 d->accessKeysPreActivate=true;
01497 _ke->accept();
01498 return;
01499 }
01500
01501 if (_ke->key() == Key_Shift && _ke->state()==0)
01502 d->scrollSuspendPreActivate=true;
01503
01504
01505
01506
01507 if (d->accessKeysEnabled && d->accessKeysActivated)
01508 {
01509 int state = ( _ke->state() & ( ShiftButton | ControlButton | AltButton | MetaButton ));
01510 if ( state==0 || state==ShiftButton) {
01511 if (_ke->key() != Key_Shift) accessKeysTimeout();
01512 handleAccessKey( _ke );
01513 _ke->accept();
01514 return;
01515 }
01516 accessKeysTimeout();
01517 }
01518
01519 if ( dispatchKeyEvent( _ke )) {
01520
01521 _ke->accept();
01522 return;
01523 }
01524
01525 int offs = (clipper()->height() < 30) ? clipper()->height() : 30;
01526 if (_ke->state() & Qt::ShiftButton)
01527 switch(_ke->key())
01528 {
01529 case Key_Space:
01530 scrollBy( 0, -clipper()->height() + offs );
01531 if(d->scrollSuspended)
01532 d->newScrollTimer(this, 0);
01533 break;
01534
01535 case Key_Down:
01536 case Key_J:
01537 d->adjustScroller(this, KHTMLViewPrivate::ScrollDown, KHTMLViewPrivate::ScrollUp);
01538 break;
01539
01540 case Key_Up:
01541 case Key_K:
01542 d->adjustScroller(this, KHTMLViewPrivate::ScrollUp, KHTMLViewPrivate::ScrollDown);
01543 break;
01544
01545 case Key_Left:
01546 case Key_H:
01547 d->adjustScroller(this, KHTMLViewPrivate::ScrollLeft, KHTMLViewPrivate::ScrollRight);
01548 break;
01549
01550 case Key_Right:
01551 case Key_L:
01552 d->adjustScroller(this, KHTMLViewPrivate::ScrollRight, KHTMLViewPrivate::ScrollLeft);
01553 break;
01554 }
01555 else
01556 switch ( _ke->key() )
01557 {
01558 case Key_Down:
01559 case Key_J:
01560 if (!d->scrollTimerId || d->scrollSuspended)
01561 scrollBy( 0, 10 );
01562 if (d->scrollTimerId)
01563 d->newScrollTimer(this, 0);
01564 break;
01565
01566 case Key_Space:
01567 case Key_Next:
01568 scrollBy( 0, clipper()->height() - offs );
01569 if(d->scrollSuspended)
01570 d->newScrollTimer(this, 0);
01571 break;
01572
01573 case Key_Up:
01574 case Key_K:
01575 if (!d->scrollTimerId || d->scrollSuspended)
01576 scrollBy( 0, -10 );
01577 if (d->scrollTimerId)
01578 d->newScrollTimer(this, 0);
01579 break;
01580
01581 case Key_Prior:
01582 scrollBy( 0, -clipper()->height() + offs );
01583 if(d->scrollSuspended)
01584 d->newScrollTimer(this, 0);
01585 break;
01586 case Key_Right:
01587 case Key_L:
01588 if (!d->scrollTimerId || d->scrollSuspended)
01589 scrollBy( 10, 0 );
01590 if (d->scrollTimerId)
01591 d->newScrollTimer(this, 0);
01592 break;
01593 case Key_Left:
01594 case Key_H:
01595 if (!d->scrollTimerId || d->scrollSuspended)
01596 scrollBy( -10, 0 );
01597 if (d->scrollTimerId)
01598 d->newScrollTimer(this, 0);
01599 break;
01600 case Key_Enter:
01601 case Key_Return:
01602
01603
01604 if (m_part->xmlDocImpl()) {
01605 NodeImpl *n = m_part->xmlDocImpl()->focusNode();
01606 if (n)
01607 n->setActive();
01608 }
01609 break;
01610 case Key_Home:
01611 setContentsPos( 0, 0 );
01612 if(d->scrollSuspended)
01613 d->newScrollTimer(this, 0);
01614 break;
01615 case Key_End:
01616 setContentsPos( 0, contentsHeight() - visibleHeight() );
01617 if(d->scrollSuspended)
01618 d->newScrollTimer(this, 0);
01619 break;
01620 case Key_Shift:
01621
01622 _ke->ignore();
01623 return;
01624 default:
01625 if (d->scrollTimerId)
01626 d->newScrollTimer(this, 0);
01627 _ke->ignore();
01628 return;
01629 }
01630
01631 _ke->accept();
01632 }
01633
01634 void KHTMLView::findTimeout()
01635 {
01636 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01637 d->typeAheadActivated = false;
01638 d->findString = "";
01639 m_part->setStatusBarText(i18n("Find stopped."), KHTMLPart::BarDefaultText);
01640 m_part->enableFindAheadActions( true );
01641 #endif // KHTML_NO_TYPE_AHEAD_FIND
01642 }
01643
01644 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01645 void KHTMLView::startFindAhead( bool linksOnly )
01646 {
01647 if( linksOnly )
01648 {
01649 d->findLinksOnly = true;
01650 m_part->setStatusBarText(i18n("Starting -- find links as you type"),
01651 KHTMLPart::BarDefaultText);
01652 }
01653 else
01654 {
01655 d->findLinksOnly = false;
01656 m_part->setStatusBarText(i18n("Starting -- find text as you type"),
01657 KHTMLPart::BarDefaultText);
01658 }
01659
01660 m_part->findTextBegin();
01661 d->typeAheadActivated = true;
01662
01663 m_part->enableFindAheadActions( false );
01664 d->timer.start(3000, true);
01665 }
01666
01667 void KHTMLView::findAhead(bool increase)
01668 {
01669 QString status;
01670
01671 if(d->findLinksOnly)
01672 {
01673 m_part->findText(d->findString, KHTMLPart::FindNoPopups |
01674 KHTMLPart::FindLinksOnly, this);
01675 if(m_part->findTextNext())
01676 {
01677 status = i18n("Link found: \"%1\".");
01678 }
01679 else
01680 {
01681 if(increase) KNotifyClient::beep();
01682 status = i18n("Link not found: \"%1\".");
01683 }
01684 }
01685 else
01686 {
01687 m_part->findText(d->findString, KHTMLPart::FindNoPopups, this);
01688 if(m_part->findTextNext())
01689 {
01690 status = i18n("Text found: \"%1\".");
01691 }
01692 else
01693 {
01694 if(increase) KNotifyClient::beep();
01695 status = i18n("Text not found: \"%1\".");
01696 }
01697 }
01698
01699 m_part->setStatusBarText(status.arg(d->findString.lower()),
01700 KHTMLPart::BarDefaultText);
01701 }
01702
01703 void KHTMLView::updateFindAheadTimeout()
01704 {
01705 if( d->typeAheadActivated )
01706 d->timer.start( 3000, true );
01707 }
01708
01709 #endif // KHTML_NO_TYPE_AHEAD_FIND
01710
01711 void KHTMLView::keyReleaseEvent(QKeyEvent *_ke)
01712 {
01713 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01714 if(d->typeAheadActivated) {
01715 _ke->accept();
01716 return;
01717 }
01718 #endif
01719 if (d->m_caretViewContext && d->m_caretViewContext->keyReleasePending) {
01720
01721 d->m_caretViewContext->keyReleasePending = false;
01722 return;
01723 }
01724
01725 if( d->scrollSuspendPreActivate && _ke->key() != Key_Shift )
01726 d->scrollSuspendPreActivate = false;
01727 if( _ke->key() == Key_Shift && d->scrollSuspendPreActivate && _ke->state() == Qt::ShiftButton
01728 && !(KApplication::keyboardMouseState() & Qt::ShiftButton))
01729 {
01730 if (d->scrollTimerId)
01731 {
01732 d->scrollSuspended = !d->scrollSuspended;
01733 #ifndef NO_SMOOTH_SCROLL_HACK
01734 if( d->scrollSuspended )
01735 stopScrolling();
01736 #endif
01737 }
01738 }
01739
01740 if (d->accessKeysEnabled)
01741 {
01742 if (d->accessKeysPreActivate && _ke->key() != Key_Control)
01743 d->accessKeysPreActivate=false;
01744 if (d->accessKeysPreActivate && _ke->state() == Qt::ControlButton && !(KApplication::keyboardMouseState() & Qt::ControlButton))
01745 {
01746 displayAccessKeys();
01747 m_part->setStatusBarText(i18n("Access Keys activated"),KHTMLPart::BarOverrideText);
01748 d->accessKeysActivated = true;
01749 d->accessKeysPreActivate = false;
01750 _ke->accept();
01751 return;
01752 }
01753 else if (d->accessKeysActivated)
01754 {
01755 accessKeysTimeout();
01756 _ke->accept();
01757 return;
01758 }
01759 }
01760
01761
01762 if ( dispatchKeyEvent( _ke ) )
01763 {
01764 _ke->accept();
01765 return;
01766 }
01767
01768 QScrollView::keyReleaseEvent(_ke);
01769 }
01770
01771 void KHTMLView::contentsContextMenuEvent ( QContextMenuEvent * )
01772 {
01773
01774 #if 0
01775 if (!m_part->xmlDocImpl()) return;
01776 int xm = _ce->x();
01777 int ym = _ce->y();
01778
01779 DOM::NodeImpl::MouseEvent mev( _ce->state(), DOM::NodeImpl::MouseMove );
01780 m_part->xmlDocImpl()->prepareMouseEvent( xm, ym, &mev );
01781
01782 NodeImpl *targetNode = mev.innerNode.handle();
01783 if (targetNode && targetNode->renderer() && targetNode->renderer()->isWidget()) {
01784 int absx = 0;
01785 int absy = 0;
01786 targetNode->renderer()->absolutePosition(absx,absy);
01787 QPoint pos(xm-absx,ym-absy);
01788
01789 QWidget *w = static_cast<RenderWidget*>(targetNode->renderer())->widget();
01790 QContextMenuEvent cme(_ce->reason(),pos,_ce->globalPos(),_ce->state());
01791 setIgnoreEvents(true);
01792 QApplication::sendEvent(w,&cme);
01793 setIgnoreEvents(false);
01794 }
01795 #endif
01796 }
01797
01798 bool KHTMLView::focusNextPrevChild( bool next )
01799 {
01800
01801 if (m_part->xmlDocImpl() && focusNextPrevNode(next))
01802 {
01803 if (m_part->xmlDocImpl()->focusNode())
01804 kdDebug() << "focusNode.name: "
01805 << m_part->xmlDocImpl()->focusNode()->nodeName().string() << endl;
01806 return true;
01807 }
01808
01809
01810 d->pseudoFocusNode = KHTMLViewPrivate::PFNone;
01811 if (m_part->parentPart() && m_part->parentPart()->view())
01812 return m_part->parentPart()->view()->focusNextPrevChild(next);
01813
01814 return QWidget::focusNextPrevChild(next);
01815 }
01816
01817 void KHTMLView::doAutoScroll()
01818 {
01819 QPoint pos = QCursor::pos();
01820 pos = viewport()->mapFromGlobal( pos );
01821
01822 int xm, ym;
01823 viewportToContents(pos.x(), pos.y(), xm, ym);
01824
01825 pos = QPoint(pos.x() - viewport()->x(), pos.y() - viewport()->y());
01826 if ( (pos.y() < 0) || (pos.y() > visibleHeight()) ||
01827 (pos.x() < 0) || (pos.x() > visibleWidth()) )
01828 {
01829 ensureVisible( xm, ym, 0, 5 );
01830
01831 #ifndef KHTML_NO_SELECTION
01832
01833 DOM::Node innerNode;
01834 if (m_part->isExtendingSelection()) {
01835 RenderObject::NodeInfo renderInfo(true, false);
01836 m_part->xmlDocImpl()->renderer()->layer()
01837 ->nodeAtPoint(renderInfo, xm, ym);
01838 innerNode = renderInfo.innerNode();
01839 }
01840
01841 if (innerNode.handle() && innerNode.handle()->renderer()) {
01842 int absX, absY;
01843 innerNode.handle()->renderer()->absolutePosition(absX, absY);
01844
01845 m_part->extendSelectionTo(xm, ym, absX, absY, innerNode);
01846 }
01847 #endif // KHTML_NO_SELECTION
01848 }
01849 }
01850
01851
01852 class HackWidget : public QWidget
01853 {
01854 public:
01855 inline void setNoErase() { setWFlags(getWFlags()|WRepaintNoErase); }
01856 };
01857
01858 bool KHTMLView::eventFilter(QObject *o, QEvent *e)
01859 {
01860 if ( e->type() == QEvent::AccelOverride ) {
01861 QKeyEvent* ke = (QKeyEvent*) e;
01862
01863 if (m_part->isEditable() || m_part->isCaretMode()
01864 || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode()
01865 && m_part->xmlDocImpl()->focusNode()->contentEditable())) {
01866
01867 if ( (ke->state() & ControlButton) || (ke->state() & ShiftButton) ) {
01868 switch ( ke->key() ) {
01869 case Key_Left:
01870 case Key_Right:
01871 case Key_Up:
01872 case Key_Down:
01873 case Key_Home:
01874 case Key_End:
01875 ke->accept();
01876
01877 return true;
01878 default:
01879 break;
01880 }
01881 }
01882 }
01883 }
01884
01885 if ( e->type() == QEvent::Leave ) {
01886 if ( d->cursor_icon_widget )
01887 d->cursor_icon_widget->hide();
01888 m_part->resetHoverText();
01889 }
01890
01891 QWidget *view = viewport();
01892
01893 if (o == view) {
01894
01895
01896 if(e->type() == QEvent::ChildInserted) {
01897 QObject *c = static_cast<QChildEvent *>(e)->child();
01898 if (c->isWidgetType()) {
01899 QWidget *w = static_cast<QWidget *>(c);
01900
01901 if (w->parentWidget(true) == view) {
01902 if (!strcmp(w->name(), "__khtml")) {
01903 w->installEventFilter(this);
01904 w->unsetCursor();
01905 if (!::qt_cast<QFrame*>(w))
01906 w->setBackgroundMode( QWidget::NoBackground );
01907 static_cast<HackWidget *>(w)->setNoErase();
01908 if (w->children()) {
01909 QObjectListIterator it(*w->children());
01910 for (; it.current(); ++it) {
01911 QWidget *widget = ::qt_cast<QWidget *>(it.current());
01912 if (widget && !widget->isTopLevel()) {
01913 if (!::qt_cast<QFrame*>(w))
01914 widget->setBackgroundMode( QWidget::NoBackground );
01915 static_cast<HackWidget *>(widget)->setNoErase();
01916 widget->installEventFilter(this);
01917 }
01918 }
01919 }
01920 }
01921 }
01922 }
01923 }
01924 } else if (o->isWidgetType()) {
01925 QWidget *v = static_cast<QWidget *>(o);
01926 QWidget *c = v;
01927 while (v && v != view) {
01928 c = v;
01929 v = v->parentWidget(true);
01930 }
01931
01932 if (v && !strcmp(c->name(), "__khtml")) {
01933 bool block = false;
01934 QWidget *w = static_cast<QWidget *>(o);
01935 switch(e->type()) {
01936 case QEvent::Paint:
01937 if (!allowWidgetPaintEvents) {
01938
01939
01940 block = true;
01941 int x = 0, y = 0;
01942 QWidget *v = w;
01943 while (v && v != view) {
01944 x += v->x();
01945 y += v->y();
01946 v = v->parentWidget();
01947 }
01948 viewportToContents( x, y, x, y );
01949 QPaintEvent *pe = static_cast<QPaintEvent *>(e);
01950 bool asap = !d->contentsMoving && ::qt_cast<QScrollView *>(c);
01951
01952
01953 if ( asap && !d->painting && m_part->xmlDocImpl() && m_part->xmlDocImpl()->renderer() &&
01954 !static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer())->needsLayout() ) {
01955 repaintContents(x + pe->rect().x(), y + pe->rect().y(),
01956 pe->rect().width(), pe->rect().height(), true);
01957 } else {
01958 scheduleRepaint(x + pe->rect().x(), y + pe->rect().y(),
01959 pe->rect().width(), pe->rect().height(), asap);
01960 }
01961 }
01962 break;
01963 case QEvent::MouseMove:
01964 case QEvent::MouseButtonPress:
01965 case QEvent::MouseButtonRelease:
01966 case QEvent::MouseButtonDblClick: {
01967 if ( (w->parentWidget() == view || ::qt_cast<QScrollView*>(c)) && !::qt_cast<QScrollBar *>(w)) {
01968 QMouseEvent *me = static_cast<QMouseEvent *>(e);
01969 QPoint pt = w->mapTo( view, me->pos());
01970 QMouseEvent me2(me->type(), pt, me->button(), me->state());
01971
01972 if (e->type() == QEvent::MouseMove)
01973 viewportMouseMoveEvent(&me2);
01974 else if(e->type() == QEvent::MouseButtonPress)
01975 viewportMousePressEvent(&me2);
01976 else if(e->type() == QEvent::MouseButtonRelease)
01977 viewportMouseReleaseEvent(&me2);
01978 else
01979 viewportMouseDoubleClickEvent(&me2);
01980 block = true;
01981 }
01982 break;
01983 }
01984 case QEvent::KeyPress:
01985 case QEvent::KeyRelease:
01986 if (w->parentWidget() == view && !::qt_cast<QScrollBar *>(w)) {
01987 QKeyEvent *ke = static_cast<QKeyEvent *>(e);
01988 if (e->type() == QEvent::KeyPress)
01989 keyPressEvent(ke);
01990 else
01991 keyReleaseEvent(ke);
01992 block = true;
01993 }
01994 default:
01995 break;
01996 }
01997 if (block) {
01998
01999 return true;
02000 }
02001 }
02002 }
02003
02004
02005 return QScrollView::eventFilter(o, e);
02006 }
02007
02008
02009 DOM::NodeImpl *KHTMLView::nodeUnderMouse() const
02010 {
02011 return d->underMouse;
02012 }
02013
02014 DOM::NodeImpl *KHTMLView::nonSharedNodeUnderMouse() const
02015 {
02016 return d->underMouseNonShared;
02017 }
02018
02019 bool KHTMLView::scrollTo(const QRect &bounds)
02020 {
02021 d->scrollingSelf = true;
02022
02023 int x, y, xe, ye;
02024 x = bounds.left();
02025 y = bounds.top();
02026 xe = bounds.right();
02027 ye = bounds.bottom();
02028
02029
02030
02031 int deltax;
02032 int deltay;
02033
02034 int curHeight = visibleHeight();
02035 int curWidth = visibleWidth();
02036
02037 if (ye-y>curHeight-d->borderY)
02038 ye = y + curHeight - d->borderY;
02039
02040 if (xe-x>curWidth-d->borderX)
02041 xe = x + curWidth - d->borderX;
02042
02043
02044 if (x < contentsX() + d->borderX )
02045 deltax = x - contentsX() - d->borderX;
02046
02047 else if (xe + d->borderX > contentsX() + curWidth)
02048 deltax = xe + d->borderX - ( contentsX() + curWidth );
02049 else
02050 deltax = 0;
02051
02052
02053 if (y < contentsY() + d->borderY)
02054 deltay = y - contentsY() - d->borderY;
02055
02056 else if (ye + d->borderY > contentsY() + curHeight)
02057 deltay = ye + d->borderY - ( contentsY() + curHeight );
02058 else
02059 deltay = 0;
02060
02061 int maxx = curWidth-d->borderX;
02062 int maxy = curHeight-d->borderY;
02063
02064 int scrollX,scrollY;
02065
02066 scrollX = deltax > 0 ? (deltax > maxx ? maxx : deltax) : deltax == 0 ? 0 : (deltax>-maxx ? deltax : -maxx);
02067 scrollY = deltay > 0 ? (deltay > maxy ? maxy : deltay) : deltay == 0 ? 0 : (deltay>-maxy ? deltay : -maxy);
02068
02069 if (contentsX() + scrollX < 0)
02070 scrollX = -contentsX();
02071 else if (contentsWidth() - visibleWidth() - contentsX() < scrollX)
02072 scrollX = contentsWidth() - visibleWidth() - contentsX();
02073
02074 if (contentsY() + scrollY < 0)
02075 scrollY = -contentsY();
02076 else if (contentsHeight() - visibleHeight() - contentsY() < scrollY)
02077 scrollY = contentsHeight() - visibleHeight() - contentsY();
02078
02079 scrollBy(scrollX, scrollY);
02080
02081 d->scrollingSelf = false;
02082
02083 if ( (abs(deltax)<=maxx) && (abs(deltay)<=maxy) )
02084 return true;
02085 else return false;
02086
02087 }
02088
02089 bool KHTMLView::focusNextPrevNode(bool next)
02090 {
02091
02092
02093
02094
02095
02096
02097
02098 DocumentImpl *doc = m_part->xmlDocImpl();
02099 NodeImpl *oldFocusNode = doc->focusNode();
02100
02101
02102
02103
02104 if (oldFocusNode && oldFocusNode->renderer() &&
02105 !oldFocusNode->renderer()->parent()) {
02106 doc->setFocusNode(0);
02107 return true;
02108 }
02109
02110 #if 1
02111
02112
02113
02114 if (d->scrollBarMoved)
02115 {
02116 NodeImpl *toFocus;
02117 if (next)
02118 toFocus = doc->nextFocusNode(oldFocusNode);
02119 else
02120 toFocus = doc->previousFocusNode(oldFocusNode);
02121
02122 if (!toFocus && oldFocusNode)
02123 if (next)
02124 toFocus = doc->nextFocusNode(NULL);
02125 else
02126 toFocus = doc->previousFocusNode(NULL);
02127
02128 while (toFocus && toFocus != oldFocusNode)
02129 {
02130
02131 QRect focusNodeRect = toFocus->getRect();
02132 if ((focusNodeRect.left() > contentsX()) && (focusNodeRect.right() < contentsX() + visibleWidth()) &&
02133 (focusNodeRect.top() > contentsY()) && (focusNodeRect.bottom() < contentsY() + visibleHeight())) {
02134 {
02135 QRect r = toFocus->getRect();
02136 ensureVisible( r.right(), r.bottom());
02137 ensureVisible( r.left(), r.top());
02138 d->scrollBarMoved = false;
02139 d->tabMovePending = false;
02140 d->lastTabbingDirection = next;
02141 d->pseudoFocusNode = KHTMLViewPrivate::PFNone;
02142 m_part->xmlDocImpl()->setFocusNode(toFocus);
02143 Node guard(toFocus);
02144 if (!toFocus->hasOneRef() )
02145 {
02146 emit m_part->nodeActivated(Node(toFocus));
02147 }
02148 return true;
02149 }
02150 }
02151 if (next)
02152 toFocus = doc->nextFocusNode(toFocus);
02153 else
02154 toFocus = doc->previousFocusNode(toFocus);
02155
02156 if (!toFocus && oldFocusNode)
02157 if (next)
02158 toFocus = doc->nextFocusNode(NULL);
02159 else
02160 toFocus = doc->previousFocusNode(NULL);
02161 }
02162
02163 d->scrollBarMoved = false;
02164 }
02165 #endif
02166
02167 if (!oldFocusNode && d->pseudoFocusNode == KHTMLViewPrivate::PFNone)
02168 {
02169 ensureVisible(contentsX(), next?0:contentsHeight());
02170 d->scrollBarMoved = false;
02171 d->pseudoFocusNode = next?KHTMLViewPrivate::PFTop:KHTMLViewPrivate::PFBottom;
02172 return true;
02173 }
02174
02175 NodeImpl *newFocusNode = NULL;
02176
02177 if (d->tabMovePending && next != d->lastTabbingDirection)
02178 {
02179
02180 newFocusNode = oldFocusNode;
02181 }
02182 else if (next)
02183 {
02184 if (oldFocusNode || d->pseudoFocusNode == KHTMLViewPrivate::PFTop )
02185 newFocusNode = doc->nextFocusNode(oldFocusNode);
02186 }
02187 else
02188 {
02189 if (oldFocusNode || d->pseudoFocusNode == KHTMLViewPrivate::PFBottom )
02190 newFocusNode = doc->previousFocusNode(oldFocusNode);
02191 }
02192
02193 bool targetVisible = false;
02194 if (!newFocusNode)
02195 {
02196 if ( next )
02197 {
02198 targetVisible = scrollTo(QRect(contentsX()+visibleWidth()/2,contentsHeight()-d->borderY,0,0));
02199 }
02200 else
02201 {
02202 targetVisible = scrollTo(QRect(contentsX()+visibleWidth()/2,d->borderY,0,0));
02203 }
02204 }
02205 else
02206 {
02207 #ifndef KHTML_NO_CARET
02208
02209 if (!m_part->isCaretMode() && !m_part->isEditable()
02210 && newFocusNode->contentEditable()) {
02211 d->caretViewContext();
02212 moveCaretTo(newFocusNode, 0L, true);
02213 } else {
02214 caretOff();
02215 }
02216 #endif // KHTML_NO_CARET
02217
02218 targetVisible = scrollTo(newFocusNode->getRect());
02219 }
02220
02221 if (targetVisible)
02222 {
02223
02224 d->tabMovePending = false;
02225
02226 m_part->xmlDocImpl()->setFocusNode(newFocusNode);
02227 if (newFocusNode)
02228 {
02229 Node guard(newFocusNode);
02230 if (!newFocusNode->hasOneRef() )
02231 {
02232 emit m_part->nodeActivated(Node(newFocusNode));
02233 }
02234 return true;
02235 }
02236 else
02237 {
02238 d->pseudoFocusNode = next?KHTMLViewPrivate::PFBottom:KHTMLViewPrivate::PFTop;
02239 return false;
02240 }
02241 }
02242 else
02243 {
02244 if (!d->tabMovePending)
02245 d->lastTabbingDirection = next;
02246 d->tabMovePending = true;
02247 return true;
02248 }
02249 }
02250
02251 void KHTMLView::displayAccessKeys()
02252 {
02253 QValueVector< QChar > taken;
02254 displayAccessKeys( NULL, this, taken, false );
02255 displayAccessKeys( NULL, this, taken, true );
02256 }
02257
02258 void KHTMLView::displayAccessKeys( KHTMLView* caller, KHTMLView* origview, QValueVector< QChar >& taken, bool use_fallbacks )
02259 {
02260 QMap< ElementImpl*, QChar > fallbacks;
02261 if( use_fallbacks )
02262 fallbacks = buildFallbackAccessKeys();
02263 for( NodeImpl* n = m_part->xmlDocImpl(); n != NULL; n = n->traverseNextNode()) {
02264 if( n->isElementNode()) {
02265 ElementImpl* en = static_cast< ElementImpl* >( n );
02266 DOMString s = en->getAttribute( ATTR_ACCESSKEY );
02267 QString accesskey;
02268 if( s.length() == 1 ) {
02269 QChar a = s.string()[ 0 ].upper();
02270 if( qFind( taken.begin(), taken.end(), a ) == taken.end())
02271 accesskey = a;
02272 }
02273 if( accesskey.isNull() && fallbacks.contains( en )) {
02274 QChar a = fallbacks[ en ].upper();
02275 if( qFind( taken.begin(), taken.end(), a ) == taken.end())
02276 accesskey = QString( "<qt><i>" ) + a + "</i></qt>";
02277 }
02278 if( !accesskey.isNull()) {
02279 QRect rec=en->getRect();
02280 QLabel *lab=new QLabel(accesskey,viewport(),0,Qt::WDestructiveClose);
02281 connect( origview, SIGNAL(hideAccessKeys()), lab, SLOT(close()) );
02282 connect( this, SIGNAL(repaintAccessKeys()), lab, SLOT(repaint()));
02283 lab->setPalette(QToolTip::palette());
02284 lab->setLineWidth(2);
02285 lab->setFrameStyle(QFrame::Box | QFrame::Plain);
02286 lab->setMargin(3);
02287 lab->adjustSize();
02288 addChild(lab,
02289 KMIN(rec.left()+rec.width()/2, contentsWidth() - lab->width()),
02290 KMIN(rec.top()+rec.height()/2, contentsHeight() - lab->height()));
02291 showChild(lab);
02292 taken.append( accesskey[ 0 ] );
02293 }
02294 }
02295 }
02296 if( use_fallbacks )
02297 return;
02298 QPtrList<KParts::ReadOnlyPart> frames = m_part->frames();
02299 for( QPtrListIterator<KParts::ReadOnlyPart> it( frames );
02300 it != NULL;
02301 ++it ) {
02302 if( !(*it)->inherits( "KHTMLPart" ))
02303 continue;
02304 KHTMLPart* part = static_cast< KHTMLPart* >( *it );
02305 if( part->view() && part->view() != caller )
02306 part->view()->displayAccessKeys( this, origview, taken, use_fallbacks );
02307 }
02308
02309 if (m_part->parentPart() && m_part->parentPart()->view()
02310 && m_part->parentPart()->view() != caller)
02311 m_part->parentPart()->view()->displayAccessKeys( this, origview, taken, use_fallbacks );
02312 }
02313
02314
02315
02316 void KHTMLView::accessKeysTimeout()
02317 {
02318 d->accessKeysActivated=false;
02319 d->accessKeysPreActivate = false;
02320 m_part->setStatusBarText(QString::null, KHTMLPart::BarOverrideText);
02321 emit hideAccessKeys();
02322 }
02323
02324
02325 bool KHTMLView::handleAccessKey( const QKeyEvent* ev )
02326 {
02327
02328
02329 QChar c;
02330 if( ev->key() >= Key_A && ev->key() <= Key_Z )
02331 c = 'A' + ev->key() - Key_A;
02332 else if( ev->key() >= Key_0 && ev->key() <= Key_9 )
02333 c = '0' + ev->key() - Key_0;
02334 else {
02335
02336
02337 if( ev->text().length() == 1 )
02338 c = ev->text()[ 0 ];
02339 }
02340 if( c.isNull())
02341 return false;
02342 return focusNodeWithAccessKey( c );
02343 }
02344
02345 bool KHTMLView::focusNodeWithAccessKey( QChar c, KHTMLView* caller )
02346 {
02347 DocumentImpl *doc = m_part->xmlDocImpl();
02348 if( !doc )
02349 return false;
02350 ElementImpl* node = doc->findAccessKeyElement( c );
02351 if( !node ) {
02352 QPtrList<KParts::ReadOnlyPart> frames = m_part->frames();
02353 for( QPtrListIterator<KParts::ReadOnlyPart> it( frames );
02354 it != NULL;
02355 ++it ) {
02356 if( !(*it)->inherits( "KHTMLPart" ))
02357 continue;
02358 KHTMLPart* part = static_cast< KHTMLPart* >( *it );
02359 if( part->view() && part->view() != caller
02360 && part->view()->focusNodeWithAccessKey( c, this ))
02361 return true;
02362 }
02363
02364 if (m_part->parentPart() && m_part->parentPart()->view()
02365 && m_part->parentPart()->view() != caller
02366 && m_part->parentPart()->view()->focusNodeWithAccessKey( c, this ))
02367 return true;
02368 if( caller == NULL ) {
02369 QMap< ElementImpl*, QChar > fallbacks = buildFallbackAccessKeys();
02370 for( QMap< ElementImpl*, QChar >::ConstIterator it = fallbacks.begin();
02371 it != fallbacks.end();
02372 ++it )
02373 if( *it == c ) {
02374 node = it.key();
02375 break;
02376 }
02377 }
02378 if( node == NULL )
02379 return false;
02380 }
02381
02382
02383 #ifndef KHTML_NO_CARET
02384
02385 if (!m_part->isCaretMode() && !m_part->isEditable()
02386 && node->contentEditable()) {
02387 d->caretViewContext();
02388 moveCaretTo(node, 0L, true);
02389 } else {
02390 caretOff();
02391 }
02392 #endif // KHTML_NO_CARET
02393
02394 QRect r = node->getRect();
02395 ensureVisible( r.right(), r.bottom());
02396 ensureVisible( r.left(), r.top());
02397
02398 Node guard( node );
02399 if( node->isFocusable()) {
02400 if (node->id()==ID_LABEL) {
02401
02402 node=static_cast<ElementImpl *>(static_cast< HTMLLabelElementImpl* >( node )->getFormElement());
02403 if (!node) return true;
02404 guard = node;
02405 }
02406
02407 QFocusEvent::setReason( QFocusEvent::Shortcut );
02408 m_part->xmlDocImpl()->setFocusNode(node);
02409 QFocusEvent::resetReason();
02410 if( node != NULL && node->hasOneRef())
02411 return true;
02412 emit m_part->nodeActivated(Node(node));
02413 if( node != NULL && node->hasOneRef())
02414 return true;
02415 }
02416
02417 switch( node->id()) {
02418 case ID_A:
02419 static_cast< HTMLAnchorElementImpl* >( node )->click();
02420 break;
02421 case ID_INPUT:
02422 static_cast< HTMLInputElementImpl* >( node )->click();
02423 break;
02424 case ID_BUTTON:
02425 static_cast< HTMLButtonElementImpl* >( node )->click();
02426 break;
02427 case ID_AREA:
02428 static_cast< HTMLAreaElementImpl* >( node )->click();
02429 break;
02430 case ID_TEXTAREA:
02431 break;
02432 case ID_LEGEND:
02433
02434 break;
02435 }
02436 return true;
02437 }
02438
02439 static QString getElementText( NodeImpl* start, bool after )
02440 {
02441 QString ret;
02442 for( NodeImpl* n = after ? start->nextSibling() : start->traversePreviousNode();
02443 n != NULL;
02444 n = after ? n->traverseNextNode() : n->traversePreviousNode()) {
02445 if( n->isTextNode()) {
02446 if( after )
02447 ret += static_cast< TextImpl* >( n )->toString().string();
02448 else
02449 ret.prepend( static_cast< TextImpl* >( n )->toString().string());
02450 } else {
02451 switch( n->id()) {
02452 case ID_A:
02453 case ID_FONT:
02454 case ID_TT:
02455 case ID_U:
02456 case ID_B:
02457 case ID_I:
02458 case ID_S:
02459 case ID_STRIKE:
02460 case ID_BIG:
02461 case ID_SMALL:
02462 case ID_EM:
02463 case ID_STRONG:
02464 case ID_DFN:
02465 case ID_CODE:
02466 case ID_SAMP:
02467 case ID_KBD:
02468 case ID_VAR:
02469 case ID_CITE:
02470 case ID_ABBR:
02471 case ID_ACRONYM:
02472 case ID_SUB:
02473 case ID_SUP:
02474 case ID_SPAN:
02475 case ID_NOBR:
02476 case ID_WBR:
02477 break;
02478 case ID_TD:
02479 if( ret.stripWhiteSpace().isEmpty())
02480 break;
02481
02482 default:
02483 return ret.simplifyWhiteSpace();
02484 }
02485 }
02486 }
02487 return ret.simplifyWhiteSpace();
02488 }
02489
02490 static QMap< NodeImpl*, QString > buildLabels( NodeImpl* start )
02491 {
02492 QMap< NodeImpl*, QString > ret;
02493 for( NodeImpl* n = start;
02494 n != NULL;
02495 n = n->traverseNextNode()) {
02496 if( n->id() == ID_LABEL ) {
02497 HTMLLabelElementImpl* label = static_cast< HTMLLabelElementImpl* >( n );
02498 NodeImpl* labelfor = label->getFormElement();
02499 if( labelfor )
02500 ret[ labelfor ] = label->innerText().string().simplifyWhiteSpace();
02501 }
02502 }
02503 return ret;
02504 }
02505
02506 namespace khtml {
02507 struct AccessKeyData {
02508 ElementImpl* element;
02509 QString text;
02510 QString url;
02511 int priority;
02512 };
02513 }
02514
02515 QMap< ElementImpl*, QChar > KHTMLView::buildFallbackAccessKeys() const
02516 {
02517
02518 QValueList< AccessKeyData > data;
02519 QMap< NodeImpl*, QString > labels = buildLabels( m_part->xmlDocImpl());
02520 for( NodeImpl* n = m_part->xmlDocImpl();
02521 n != NULL;
02522 n = n->traverseNextNode()) {
02523 if( n->isElementNode()) {
02524 ElementImpl* element = static_cast< ElementImpl* >( n );
02525 if( element->getAttribute( ATTR_ACCESSKEY ).length() == 1 )
02526 continue;
02527 if( element->renderer() == NULL )
02528 continue;
02529 QString text;
02530 QString url;
02531 int priority = 0;
02532 bool ignore = false;
02533 bool text_after = false;
02534 bool text_before = false;
02535 switch( element->id()) {
02536 case ID_A:
02537 url = khtml::parseURL(element->getAttribute(ATTR_HREF)).string();
02538 if( url.isEmpty())
02539 continue;
02540 text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace();
02541 priority = 2;
02542 break;
02543 case ID_INPUT: {
02544 HTMLInputElementImpl* in = static_cast< HTMLInputElementImpl* >( element );
02545 switch( in->inputType()) {
02546 case HTMLInputElementImpl::SUBMIT:
02547 text = in->value().string();
02548 if( text.isEmpty())
02549 text = i18n( "Submit" );
02550 priority = 7;
02551 break;
02552 case HTMLInputElementImpl::IMAGE:
02553 text = in->altText().string();
02554 priority = 7;
02555 break;
02556 case HTMLInputElementImpl::BUTTON:
02557 text = in->value().string();
02558 priority = 5;
02559 break;
02560 case HTMLInputElementImpl::RESET:
02561 text = in->value().string();
02562 if( text.isEmpty())
02563 text = i18n( "Reset" );
02564 priority = 5;
02565 break;
02566 case HTMLInputElementImpl::HIDDEN:
02567 ignore = true;
02568 break;
02569 case HTMLInputElementImpl::CHECKBOX:
02570 case HTMLInputElementImpl::RADIO:
02571 text_after = true;
02572 priority = 5;
02573 break;
02574 case HTMLInputElementImpl::TEXT:
02575 case HTMLInputElementImpl::PASSWORD:
02576 case HTMLInputElementImpl::FILE:
02577 text_before = true;
02578 priority = 5;
02579 break;
02580 default:
02581 priority = 5;
02582 break;
02583 }
02584 break;
02585 }
02586 case ID_BUTTON:
02587 text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace();
02588 switch( static_cast< HTMLButtonElementImpl* >( element )->buttonType()) {
02589 case HTMLButtonElementImpl::SUBMIT:
02590 if( text.isEmpty())
02591 text = i18n( "Submit" );
02592 priority = 7;
02593 break;
02594 case HTMLButtonElementImpl::RESET:
02595 if( text.isEmpty())
02596 text = i18n( "Reset" );
02597 priority = 5;
02598 break;
02599 default:
02600 priority = 5;
02601 break;
02602 break;
02603 }
02604 case ID_SELECT:
02605 text_before = true;
02606 text_after = true;
02607 priority = 5;
02608 break;
02609 case ID_FRAME:
02610 ignore = true;
02611 break;
02612 default:
02613 ignore = !element->isFocusable();
02614 priority = 2;
02615 break;
02616 }
02617 if( ignore )
02618 continue;
02619 if( text.isNull() && labels.contains( element ))
02620 text = labels[ element ];
02621 if( text.isNull() && text_before )
02622 text = getElementText( element, false );
02623 if( text.isNull() && text_after )
02624 text = getElementText( element, true );
02625 text = text.stripWhiteSpace();
02626
02627 QValueList< QPair< QString, QChar > > priorities
02628 = m_part->settings()->fallbackAccessKeysAssignments();
02629 for( QValueList< QPair< QString, QChar > >::ConstIterator it = priorities.begin();
02630 it != priorities.end();
02631 ++it ) {
02632 if( text == (*it).first )
02633 priority = 10;
02634 }
02635 AccessKeyData tmp = { element, text, url, priority };
02636 data.append( tmp );
02637 }
02638 }
02639
02640 QValueList< QChar > keys;
02641 for( char c = 'A'; c <= 'Z'; ++c )
02642 keys << c;
02643 for( char c = '0'; c <= '9'; ++c )
02644 keys << c;
02645 for( NodeImpl* n = m_part->xmlDocImpl();
02646 n != NULL;
02647 n = n->traverseNextNode()) {
02648 if( n->isElementNode()) {
02649 ElementImpl* en = static_cast< ElementImpl* >( n );
02650 DOMString s = en->getAttribute( ATTR_ACCESSKEY );
02651 if( s.length() == 1 ) {
02652 QChar c = s.string()[ 0 ].upper();
02653 keys.remove( c );
02654 }
02655 }
02656 }
02657
02658 QMap< ElementImpl*, QChar > ret;
02659 for( int priority = 10;
02660 priority >= 0;
02661 --priority ) {
02662 for( QValueList< AccessKeyData >::Iterator it = data.begin();
02663 it != data.end();
02664 ) {
02665 if( (*it).priority != priority ) {
02666 ++it;
02667 continue;
02668 }
02669 if( keys.isEmpty())
02670 break;
02671 QString text = (*it).text;
02672 QChar key;
02673 if( key.isNull() && !text.isEmpty()) {
02674 QValueList< QPair< QString, QChar > > priorities
02675 = m_part->settings()->fallbackAccessKeysAssignments();
02676 for( QValueList< QPair< QString, QChar > >::ConstIterator it = priorities.begin();
02677 it != priorities.end();
02678 ++it )
02679 if( text == (*it).first && keys.contains( (*it).second )) {
02680 key = (*it).second;
02681 break;
02682 }
02683 }
02684
02685
02686
02687 if( key.isNull() && !text.isEmpty()) {
02688 QStringList words = QStringList::split( ' ', text );
02689 for( QStringList::ConstIterator it = words.begin();
02690 it != words.end();
02691 ++it ) {
02692 if( keys.contains( (*it)[ 0 ].upper())) {
02693 key = (*it)[ 0 ].upper();
02694 break;
02695 }
02696 }
02697 }
02698 if( key.isNull() && !text.isEmpty()) {
02699 for( unsigned int i = 0;
02700 i < text.length();
02701 ++i ) {
02702 if( keys.contains( text[ i ].upper())) {
02703 key = text[ i ].upper();
02704 break;
02705 }
02706 }
02707 }
02708 if( key.isNull())
02709 key = keys.front();
02710 ret[ (*it).element ] = key;
02711 keys.remove( key );
02712 QString url = (*it).url;
02713 it = data.remove( it );
02714
02715 if( !url.isEmpty() && !url.startsWith( "javascript:", false )) {
02716 for( QValueList< AccessKeyData >::Iterator it2 = data.begin();
02717 it2 != data.end();
02718 ) {
02719 if( (*it2).url == url ) {
02720 ret[ (*it2).element ] = key;
02721 if( it == it2 )
02722 ++it;
02723 it2 = data.remove( it2 );
02724 } else
02725 ++it2;
02726 }
02727 }
02728 }
02729 }
02730 return ret;
02731 }
02732
02733 void KHTMLView::setMediaType( const QString &medium )
02734 {
02735 m_medium = medium;
02736 }
02737
02738 QString KHTMLView::mediaType() const
02739 {
02740 return m_medium;
02741 }
02742
02743 bool KHTMLView::pagedMode() const
02744 {
02745 return d->paged;
02746 }
02747
02748 void KHTMLView::setWidgetVisible(RenderWidget* w, bool vis)
02749 {
02750 if (vis) {
02751 d->visibleWidgets.replace(w, w->widget());
02752 }
02753 else
02754 d->visibleWidgets.remove(w);
02755 }
02756
02757 bool KHTMLView::needsFullRepaint() const
02758 {
02759 return d->needsFullRepaint;
02760 }
02761
02762 void KHTMLView::print()
02763 {
02764 print( false );
02765 }
02766
02767 void KHTMLView::print(bool quick)
02768 {
02769 if(!m_part->xmlDocImpl()) return;
02770 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer());
02771 if(!root) return;
02772
02773 KPrinter *printer = new KPrinter(true, QPrinter::ScreenResolution);
02774 printer->addDialogPage(new KHTMLPrintSettings());
02775 QString docname = m_part->xmlDocImpl()->URL().prettyURL();
02776 if ( !docname.isEmpty() )
02777 docname = KStringHandler::csqueeze(docname, 80);
02778 if(quick || printer->setup(this, i18n("Print %1").arg(docname))) {
02779 viewport()->setCursor( waitCursor );
02780
02781 printer->setFullPage(false);
02782 printer->setCreator(QString("KDE %1.%2.%3 HTML Library").arg(KDE_VERSION_MAJOR).arg(KDE_VERSION_MINOR).arg(KDE_VERSION_RELEASE));
02783 printer->setDocName(docname);
02784
02785 QPainter *p = new QPainter;
02786 p->begin( printer );
02787 khtml::setPrintPainter( p );
02788
02789 m_part->xmlDocImpl()->setPaintDevice( printer );
02790 QString oldMediaType = mediaType();
02791 setMediaType( "print" );
02792
02793
02794
02795 m_part->xmlDocImpl()->setPrintStyleSheet( printer->option("app-khtml-printfriendly") == "true" ?
02796 "* { background-image: none !important;"
02797 " background-color: white !important;"
02798 " color: black !important; }"
02799 "body { margin: 0px !important; }"
02800 "html { margin: 0px !important; }" :
02801 "body { margin: 0px !important; }"
02802 "html { margin: 0px !important; }"
02803 );
02804
02805 QPaintDeviceMetrics metrics( printer );
02806
02807 kdDebug(6000) << "printing: physical page width = " << metrics.width()
02808 << " height = " << metrics.height() << endl;
02809 root->setStaticMode(true);
02810 root->setPagedMode(true);
02811 root->setWidth(metrics.width());
02812
02813 root->setPageTop(0);
02814 root->setPageBottom(0);
02815 d->paged = true;
02816
02817 m_part->xmlDocImpl()->styleSelector()->computeFontSizes(&metrics, 100);
02818 m_part->xmlDocImpl()->updateStyleSelector();
02819 root->setPrintImages( printer->option("app-khtml-printimages") == "true");
02820 root->makePageBreakAvoidBlocks();
02821
02822 root->setNeedsLayoutAndMinMaxRecalc();
02823 root->layout();
02824 khtml::RenderWidget::flushWidgetResizes();
02825
02826
02827
02828 bool printHeader = (printer->option("app-khtml-printheader") == "true");
02829
02830 int headerHeight = 0;
02831 QFont headerFont("Sans Serif", 8);
02832
02833 QString headerLeft = KGlobal::locale()->formatDate(QDate::currentDate(),true);
02834 QString headerMid = docname;
02835 QString headerRight;
02836
02837 if (printHeader)
02838 {
02839 p->setFont(headerFont);
02840 headerHeight = (p->fontMetrics().lineSpacing() * 3) / 2;
02841 }
02842
02843
02844 kdDebug(6000) << "printing: html page width = " << root->docWidth()
02845 << " height = " << root->docHeight() << endl;
02846 kdDebug(6000) << "printing: margins left = " << printer->margins().width()
02847 << " top = " << printer->margins().height() << endl;
02848 kdDebug(6000) << "printing: paper width = " << metrics.width()
02849 << " height = " << metrics.height() << endl;
02850
02851
02852 int pageWidth = metrics.width();
02853 int pageHeight = metrics.height();
02854 p->setClipRect(0,0, pageWidth, pageHeight);
02855
02856 pageHeight -= headerHeight;
02857
02858 bool scalePage = false;
02859 double scale = 0.0;
02860 #ifndef QT_NO_TRANSFORMATIONS
02861 if(root->docWidth() > metrics.width()) {
02862 scalePage = true;
02863 scale = ((double) metrics.width())/((double) root->docWidth());
02864 pageHeight = (int) (pageHeight/scale);
02865 pageWidth = (int) (pageWidth/scale);
02866 headerHeight = (int) (headerHeight/scale);
02867 }
02868 #endif
02869 kdDebug(6000) << "printing: scaled html width = " << pageWidth
02870 << " height = " << pageHeight << endl;
02871
02872 root->setHeight(pageHeight);
02873 root->setPageBottom(pageHeight);
02874 root->setNeedsLayout(true);
02875 root->layoutIfNeeded();
02876
02877
02878
02879 if (printHeader)
02880 {
02881 int available_width = metrics.width() - 10 -
02882 2 * kMax(p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerLeft).width(),
02883 p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerRight).width());
02884 if (available_width < 150)
02885 available_width = 150;
02886 int mid_width;
02887 int squeeze = 120;
02888 do {
02889 headerMid = KStringHandler::csqueeze(docname, squeeze);
02890 mid_width = p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerMid).width();
02891 squeeze -= 10;
02892 } while (mid_width > available_width);
02893 }
02894
02895 int top = 0;
02896 int bottom = 0;
02897 int page = 1;
02898 while(top < root->docHeight()) {
02899 if(top > 0) printer->newPage();
02900 p->setClipRect(0, 0, pageWidth, headerHeight, QPainter::CoordDevice);
02901 if (printHeader)
02902 {
02903 int dy = p->fontMetrics().lineSpacing();
02904 p->setPen(Qt::black);
02905 p->setFont(headerFont);
02906
02907 headerRight = QString("#%1").arg(page);
02908
02909 p->drawText(0, 0, metrics.width(), dy, Qt::AlignLeft, headerLeft);
02910 p->drawText(0, 0, metrics.width(), dy, Qt::AlignHCenter, headerMid);
02911 p->drawText(0, 0, metrics.width(), dy, Qt::AlignRight, headerRight);
02912 }
02913
02914
02915 #ifndef QT_NO_TRANSFORMATIONS
02916 if (scalePage)
02917 p->scale(scale, scale);
02918 #endif
02919
02920 p->setClipRect(0, headerHeight, pageWidth, pageHeight, QPainter::CoordDevice);
02921 p->translate(0, headerHeight-top);
02922
02923 bottom = top+pageHeight;
02924
02925 root->setPageTop(top);
02926 root->setPageBottom(bottom);
02927 root->setPageNumber(page);
02928
02929 root->layer()->paint(p, QRect(0, top, pageWidth, pageHeight));
02930
02931
02932
02933 kdDebug(6000) << "printed: page " << page <<" bottom At = " << bottom << endl;
02934
02935 top = bottom;
02936 p->resetXForm();
02937 page++;
02938 }
02939
02940 p->end();
02941 delete p;
02942
02943
02944 root->setPagedMode(false);
02945 root->setStaticMode(false);
02946 d->paged = false;
02947 khtml::setPrintPainter( 0 );
02948 setMediaType( oldMediaType );
02949 m_part->xmlDocImpl()->setPaintDevice( this );
02950 m_part->xmlDocImpl()->styleSelector()->computeFontSizes(m_part->xmlDocImpl()->paintDeviceMetrics(), m_part->zoomFactor());
02951 m_part->xmlDocImpl()->updateStyleSelector();
02952 viewport()->unsetCursor();
02953 }
02954 delete printer;
02955 }
02956
02957 void KHTMLView::slotPaletteChanged()
02958 {
02959 if(!m_part->xmlDocImpl()) return;
02960 DOM::DocumentImpl *document = m_part->xmlDocImpl();
02961 if (!document->isHTMLDocument()) return;
02962 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(document->renderer());
02963 if(!root) return;
02964 root->style()->resetPalette();
02965 NodeImpl *body = static_cast<HTMLDocumentImpl*>(document)->body();
02966 if(!body) return;
02967 body->setChanged(true);
02968 body->recalcStyle( NodeImpl::Force );
02969 }
02970
02971 void KHTMLView::paint(QPainter *p, const QRect &rc, int yOff, bool *more)
02972 {
02973 if(!m_part->xmlDocImpl()) return;
02974 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer());
02975 if(!root) return;
02976
02977 m_part->xmlDocImpl()->setPaintDevice(p->device());
02978 root->setPagedMode(true);
02979 root->setStaticMode(true);
02980 root->setWidth(rc.width());
02981
02982 p->save();
02983 p->setClipRect(rc);
02984 p->translate(rc.left(), rc.top());
02985 double scale = ((double) rc.width()/(double) root->docWidth());
02986 int height = (int) ((double) rc.height() / scale);
02987 #ifndef QT_NO_TRANSFORMATIONS
02988 p->scale(scale, scale);
02989 #endif
02990 root->setPageTop(yOff);
02991 root->setPageBottom(yOff+height);
02992
02993 root->layer()->paint(p, QRect(0, yOff, root->docWidth(), height));
02994 if (more)
02995 *more = yOff + height < root->docHeight();
02996 p->restore();
02997
02998 root->setPagedMode(false);
02999 root->setStaticMode(false);
03000 m_part->xmlDocImpl()->setPaintDevice( this );
03001 }
03002
03003
03004 void KHTMLView::useSlowRepaints()
03005 {
03006 d->useSlowRepaints = true;
03007 setStaticBackground(true);
03008 }
03009
03010
03011 void KHTMLView::setVScrollBarMode ( ScrollBarMode mode )
03012 {
03013 #ifndef KHTML_NO_SCROLLBARS
03014 d->vmode = mode;
03015 QScrollView::setVScrollBarMode(mode);
03016 #else
03017 Q_UNUSED( mode );
03018 #endif
03019 }
03020
03021 void KHTMLView::setHScrollBarMode ( ScrollBarMode mode )
03022 {
03023 #ifndef KHTML_NO_SCROLLBARS
03024 d->hmode = mode;
03025 QScrollView::setHScrollBarMode(mode);
03026 #else
03027 Q_UNUSED( mode );
03028 #endif
03029 }
03030
03031 void KHTMLView::restoreScrollBar()
03032 {
03033 int ow = visibleWidth();
03034 QScrollView::setVScrollBarMode(d->vmode);
03035 if (visibleWidth() != ow)
03036 layout();
03037 d->prevScrollbarVisible = verticalScrollBar()->isVisible();
03038 }
03039
03040 QStringList KHTMLView::formCompletionItems(const QString &name) const
03041 {
03042 if (!m_part->settings()->isFormCompletionEnabled())
03043 return QStringList();
03044 if (!d->formCompletions)
03045 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03046 return d->formCompletions->readListEntry(name);
03047 }
03048
03049 void KHTMLView::clearCompletionHistory(const QString& name)
03050 {
03051 if (!d->formCompletions)
03052 {
03053 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03054 }
03055 d->formCompletions->writeEntry(name, "");
03056 d->formCompletions->sync();
03057 }
03058
03059 void KHTMLView::addFormCompletionItem(const QString &name, const QString &value)
03060 {
03061 if (!m_part->settings()->isFormCompletionEnabled())
03062 return;
03063
03064
03065
03066 bool cc_number(true);
03067 for (unsigned int i = 0; i < value.length(); ++i)
03068 {
03069 QChar c(value[i]);
03070 if (!c.isNumber() && c != '-' && !c.isSpace())
03071 {
03072 cc_number = false;
03073 break;
03074 }
03075 }
03076 if (cc_number)
03077 return;
03078 QStringList items = formCompletionItems(name);
03079 if (!items.contains(value))
03080 items.prepend(value);
03081 while ((int)items.count() > m_part->settings()->maxFormCompletionItems())
03082 items.remove(items.fromLast());
03083 d->formCompletions->writeEntry(name, items);
03084 }
03085
03086 void KHTMLView::addNonPasswordStorableSite(const QString& host)
03087 {
03088 if (!d->formCompletions) {
03089 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03090 }
03091
03092 d->formCompletions->setGroup("NonPasswordStorableSites");
03093 QStringList sites = d->formCompletions->readListEntry("Sites");
03094 sites.append(host);
03095 d->formCompletions->writeEntry("Sites", sites);
03096 d->formCompletions->sync();
03097 d->formCompletions->setGroup(QString::null);
03098 }
03099
03100 bool KHTMLView::nonPasswordStorableSite(const QString& host) const
03101 {
03102 if (!d->formCompletions) {
03103 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03104 }
03105 d->formCompletions->setGroup("NonPasswordStorableSites");
03106 QStringList sites = d->formCompletions->readListEntry("Sites");
03107 d->formCompletions->setGroup(QString::null);
03108
03109 return (sites.find(host) != sites.end());
03110 }
03111
03112
03113 bool KHTMLView::dispatchMouseEvent(int eventId, DOM::NodeImpl *targetNode,
03114 DOM::NodeImpl *targetNodeNonShared, bool cancelable,
03115 int detail,QMouseEvent *_mouse, bool setUnder,
03116 int mouseEventType)
03117 {
03118
03119 if (targetNode && targetNode->isTextNode())
03120 targetNode = targetNode->parentNode();
03121
03122 if (d->underMouse)
03123 d->underMouse->deref();
03124 d->underMouse = targetNode;
03125 if (d->underMouse)
03126 d->underMouse->ref();
03127
03128 if (d->underMouseNonShared)
03129 d->underMouseNonShared->deref();
03130 d->underMouseNonShared = targetNodeNonShared;
03131 if (d->underMouseNonShared)
03132 d->underMouseNonShared->ref();
03133
03134 int exceptioncode = 0;
03135 int pageX = 0;
03136 int pageY = 0;
03137 viewportToContents(_mouse->x(), _mouse->y(), pageX, pageY);
03138 int clientX = pageX - contentsX();
03139 int clientY = pageY - contentsY();
03140 int screenX = _mouse->globalX();
03141 int screenY = _mouse->globalY();
03142 int button = -1;
03143 switch (_mouse->button()) {
03144 case LeftButton:
03145 button = 0;
03146 break;
03147 case MidButton:
03148 button = 1;
03149 break;
03150 case RightButton:
03151 button = 2;
03152 break;
03153 default:
03154 break;
03155 }
03156 if (d->accessKeysEnabled && d->accessKeysPreActivate && button!=-1)
03157 d->accessKeysPreActivate=false;
03158
03159 bool ctrlKey = (_mouse->state() & ControlButton);
03160 bool altKey = (_mouse->state() & AltButton);
03161 bool shiftKey = (_mouse->state() & ShiftButton);
03162 bool metaKey = (_mouse->state() & MetaButton);
03163
03164
03165 if (setUnder && (d->prevMouseX != pageX || d->prevMouseY != pageY)) {
03166
03167
03168
03169 NodeImpl *oldUnder = 0;
03170 if (d->prevMouseX >= 0 && d->prevMouseY >= 0) {
03171 NodeImpl::MouseEvent mev( _mouse->stateAfter(), static_cast<NodeImpl::MouseEventType>(mouseEventType));
03172 m_part->xmlDocImpl()->prepareMouseEvent( true, d->prevMouseX, d->prevMouseY, &mev );
03173 oldUnder = mev.innerNode.handle();
03174
03175 if (oldUnder && oldUnder->isTextNode())
03176 oldUnder = oldUnder->parentNode();
03177 }
03178
03179 if (oldUnder != targetNode) {
03180
03181 if (oldUnder){
03182 oldUnder->ref();
03183 MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOUT_EVENT,
03184 true,true,m_part->xmlDocImpl()->defaultView(),
03185 0,screenX,screenY,clientX,clientY,pageX, pageY,
03186 ctrlKey,altKey,shiftKey,metaKey,
03187 button,targetNode);
03188 me->ref();
03189 oldUnder->dispatchEvent(me,exceptioncode,true);
03190 me->deref();
03191 }
03192
03193
03194 if (targetNode) {
03195 MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOVER_EVENT,
03196 true,true,m_part->xmlDocImpl()->defaultView(),
03197 0,screenX,screenY,clientX,clientY,pageX, pageY,
03198 ctrlKey,altKey,shiftKey,metaKey,
03199 button,oldUnder);
03200
03201 me->ref();
03202 targetNode->dispatchEvent(me,exceptioncode,true);
03203 me->deref();
03204 }
03205
03206 if (oldUnder)
03207 oldUnder->deref();
03208 }
03209 }
03210
03211 bool swallowEvent = false;
03212
03213 if (targetNode) {
03214
03215 bool dblclick = ( eventId == EventImpl::CLICK_EVENT &&
03216 _mouse->type() == QEvent::MouseButtonDblClick );
03217 MouseEventImpl *me = new MouseEventImpl(static_cast<EventImpl::EventId>(eventId),
03218 true,cancelable,m_part->xmlDocImpl()->defaultView(),
03219 detail,screenX,screenY,clientX,clientY,pageX, pageY,
03220 ctrlKey,altKey,shiftKey,metaKey,
03221 button,0, _mouse, dblclick );
03222 me->ref();
03223 targetNode->dispatchEvent(me,exceptioncode,true);
03224 bool defaultHandled = me->defaultHandled();
03225 if (defaultHandled || me->defaultPrevented())
03226 swallowEvent = true;
03227 me->deref();
03228
03229 if (eventId == EventImpl::MOUSEDOWN_EVENT) {
03230
03231
03232
03233
03234 DOM::NodeImpl* nodeImpl = targetNode;
03235 for ( ; nodeImpl && !nodeImpl->isFocusable(); nodeImpl = nodeImpl->parentNode());
03236 if (nodeImpl && nodeImpl->isMouseFocusable())
03237 m_part->xmlDocImpl()->setFocusNode(nodeImpl);
03238 else if (!nodeImpl || !nodeImpl->focused())
03239 m_part->xmlDocImpl()->setFocusNode(0);
03240 }
03241 }
03242
03243 return swallowEvent;
03244 }
03245
03246 void KHTMLView::setIgnoreWheelEvents( bool e )
03247 {
03248 d->ignoreWheelEvents = e;
03249 }
03250
03251 #ifndef QT_NO_WHEELEVENT
03252
03253 void KHTMLView::viewportWheelEvent(QWheelEvent* e)
03254 {
03255 if (d->accessKeysEnabled && d->accessKeysPreActivate) d->accessKeysPreActivate=false;
03256
03257 if ( ( e->state() & ControlButton) == ControlButton )
03258 {
03259 emit zoomView( - e->delta() );
03260 e->accept();
03261 }
03262 else if (d->firstRelayout)
03263 {
03264 e->accept();
03265 }
03266 else if( ( (e->orientation() == Vertical &&
03267 ((d->ignoreWheelEvents && !verticalScrollBar()->isVisible())
03268 || e->delta() > 0 && contentsY() <= 0
03269 || e->delta() < 0 && contentsY() >= contentsHeight() - visibleHeight()))
03270 ||
03271 (e->orientation() == Horizontal &&
03272 ((d->ignoreWheelEvents && !horizontalScrollBar()->isVisible())
03273 || e->delta() > 0 && contentsX() <=0
03274 || e->delta() < 0 && contentsX() >= contentsWidth() - visibleWidth())))
03275 && m_part->parentPart())
03276 {
03277 if ( m_part->parentPart()->view() )
03278 m_part->parentPart()->view()->wheelEvent( e );
03279 e->ignore();
03280 }
03281 else
03282 {
03283 d->scrollBarMoved = true;
03284 #ifndef NO_SMOOTH_SCROLL_HACK
03285 scrollViewWheelEvent( e );
03286 #else
03287 QScrollView::viewportWheelEvent( e );
03288 #endif
03289 }
03290
03291 }
03292 #endif
03293
03294 void KHTMLView::dragEnterEvent( QDragEnterEvent* ev )
03295 {
03296
03297
03298
03299 if ( m_part->parentPart() )
03300 {
03301 QApplication::sendEvent(m_part->parentPart()->widget(), ev);
03302 return;
03303 }
03304 QScrollView::dragEnterEvent( ev );
03305 }
03306
03307 void KHTMLView::dropEvent( QDropEvent *ev )
03308 {
03309
03310
03311
03312 if ( m_part->parentPart() )
03313 {
03314 QApplication::sendEvent(m_part->parentPart()->widget(), ev);
03315 return;
03316 }
03317 QScrollView::dropEvent( ev );
03318 }
03319
03320 void KHTMLView::focusInEvent( QFocusEvent *e )
03321 {
03322 #ifndef KHTML_NO_TYPE_AHEAD_FIND
03323 m_part->enableFindAheadActions( true );
03324 #endif
03325 DOM::NodeImpl* fn = m_part->xmlDocImpl() ? m_part->xmlDocImpl()->focusNode() : 0;
03326 if (fn && fn->renderer() && fn->renderer()->isWidget() &&
03327 (e->reason() != QFocusEvent::Mouse) &&
03328 static_cast<khtml::RenderWidget*>(fn->renderer())->widget())
03329 static_cast<khtml::RenderWidget*>(fn->renderer())->widget()->setFocus();
03330 #ifndef KHTML_NO_CARET
03331
03332
03333 if (d->m_caretViewContext &&
03334 d->m_caretViewContext->freqTimerId == -1 &&
03335 fn) {
03336 if (m_part->isCaretMode()
03337 || m_part->isEditable()
03338 || (fn && fn->renderer()
03339 && fn->renderer()->style()->userInput()
03340 == UI_ENABLED)) {
03341 d->m_caretViewContext->freqTimerId = startTimer(500);
03342 d->m_caretViewContext->visible = true;
03343 }
03344 }
03345 showCaret();
03346 #endif // KHTML_NO_CARET
03347 QScrollView::focusInEvent( e );
03348 }
03349
03350 void KHTMLView::focusOutEvent( QFocusEvent *e )
03351 {
03352 if(m_part) m_part->stopAutoScroll();
03353
03354 #ifndef KHTML_NO_TYPE_AHEAD_FIND
03355 if(d->typeAheadActivated)
03356 {
03357 findTimeout();
03358 }
03359 m_part->enableFindAheadActions( false );
03360 #endif // KHTML_NO_TYPE_AHEAD_FIND
03361
03362 #ifndef KHTML_NO_CARET
03363 if (d->m_caretViewContext) {
03364 switch (d->m_caretViewContext->displayNonFocused) {
03365 case KHTMLPart::CaretInvisible:
03366 hideCaret();
03367 break;
03368 case KHTMLPart::CaretVisible: {
03369 killTimer(d->m_caretViewContext->freqTimerId);
03370 d->m_caretViewContext->freqTimerId = -1;
03371 NodeImpl *caretNode = m_part->xmlDocImpl()->focusNode();
03372 if (!d->m_caretViewContext->visible && (m_part->isCaretMode()
03373 || m_part->isEditable()
03374 || (caretNode && caretNode->renderer()
03375 && caretNode->renderer()->style()->userInput()
03376 == UI_ENABLED))) {
03377 d->m_caretViewContext->visible = true;
03378 showCaret(true);
03379 }
03380 break;
03381 }
03382 case KHTMLPart::CaretBlink:
03383
03384 break;
03385 }
03386 }
03387 #endif // KHTML_NO_CARET
03388
03389 if ( d->cursor_icon_widget )
03390 d->cursor_icon_widget->hide();
03391
03392 QScrollView::focusOutEvent( e );
03393 }
03394
03395 void KHTMLView::slotScrollBarMoved()
03396 {
03397 if ( !d->firstRelayout && !d->complete && m_part->xmlDocImpl() &&
03398 d->layoutSchedulingEnabled) {
03399
03400 khtml::RenderCanvas* root = static_cast<khtml::RenderCanvas *>( m_part->xmlDocImpl()->renderer() );
03401 if (root && root->needsLayout()) {
03402 unscheduleRelayout();
03403 layout();
03404 }
03405 }
03406 if (!d->scrollingSelf) {
03407 d->scrollBarMoved = true;
03408 d->contentsMoving = true;
03409
03410 scheduleRepaint(0, 0, 0, 0);
03411 }
03412
03413 if (m_part->xmlDocImpl() && m_part->xmlDocImpl()->documentElement())
03414 m_part->xmlDocImpl()->documentElement()->dispatchHTMLEvent(EventImpl::SCROLL_EVENT, true, false);
03415 }
03416
03417 void KHTMLView::timerEvent ( QTimerEvent *e )
03418 {
03419
03420 if ( e->timerId() == d->scrollTimerId ) {
03421 if( d->scrollSuspended )
03422 return;
03423 switch (d->scrollDirection) {
03424 case KHTMLViewPrivate::ScrollDown:
03425 if (contentsY() + visibleHeight () >= contentsHeight())
03426 d->newScrollTimer(this, 0);
03427 else
03428 scrollBy( 0, d->scrollBy );
03429 break;
03430 case KHTMLViewPrivate::ScrollUp:
03431 if (contentsY() <= 0)
03432 d->newScrollTimer(this, 0);
03433 else
03434 scrollBy( 0, -d->scrollBy );
03435 break;
03436 case KHTMLViewPrivate::ScrollRight:
03437 if (contentsX() + visibleWidth () >= contentsWidth())
03438 d->newScrollTimer(this, 0);
03439 else
03440 scrollBy( d->scrollBy, 0 );
03441 break;
03442 case KHTMLViewPrivate::ScrollLeft:
03443 if (contentsX() <= 0)
03444 d->newScrollTimer(this, 0);
03445 else
03446 scrollBy( -d->scrollBy, 0 );
03447 break;
03448 }
03449 return;
03450 }
03451 else if ( e->timerId() == d->layoutTimerId ) {
03452 d->dirtyLayout = true;
03453 layout();
03454 if (d->firstRelayout) {
03455 d->firstRelayout = false;
03456 verticalScrollBar()->setEnabled( true );
03457 horizontalScrollBar()->setEnabled( true );
03458 }
03459 }
03460 #ifndef KHTML_NO_CARET
03461 else if (d->m_caretViewContext
03462 && e->timerId() == d->m_caretViewContext->freqTimerId) {
03463 d->m_caretViewContext->visible = !d->m_caretViewContext->visible;
03464 if (d->m_caretViewContext->displayed) {
03465 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03466 d->m_caretViewContext->width,
03467 d->m_caretViewContext->height);
03468 }
03469
03470
03471 return;
03472 }
03473 #endif
03474
03475 d->contentsMoving = false;
03476 if( m_part->xmlDocImpl() ) {
03477 DOM::DocumentImpl *document = m_part->xmlDocImpl();
03478 khtml::RenderCanvas* root = static_cast<khtml::RenderCanvas *>(document->renderer());
03479
03480 if ( root && root->needsLayout() ) {
03481 killTimer(d->repaintTimerId);
03482 d->repaintTimerId = 0;
03483 scheduleRelayout();
03484 return;
03485 }
03486 }
03487
03488 setStaticBackground(d->useSlowRepaints);
03489
03490
03491 killTimer(d->repaintTimerId);
03492 d->repaintTimerId = 0;
03493
03494 QRect updateRegion;
03495 QMemArray<QRect> rects = d->updateRegion.rects();
03496
03497 d->updateRegion = QRegion();
03498
03499 if ( rects.size() )
03500 updateRegion = rects[0];
03501
03502 for ( unsigned i = 1; i < rects.size(); ++i ) {
03503 QRect newRegion = updateRegion.unite(rects[i]);
03504 if (2*newRegion.height() > 3*updateRegion.height() )
03505 {
03506 repaintContents( updateRegion );
03507 updateRegion = rects[i];
03508 }
03509 else
03510 updateRegion = newRegion;
03511 }
03512
03513 if ( !updateRegion.isNull() )
03514 repaintContents( updateRegion );
03515
03516
03517
03518
03519
03520
03521 if (d->dirtyLayout && !d->visibleWidgets.isEmpty()) {
03522 QWidget* w;
03523 d->dirtyLayout = false;
03524
03525 QRect visibleRect(contentsX(), contentsY(), visibleWidth(), visibleHeight());
03526 QPtrList<RenderWidget> toRemove;
03527 for (QPtrDictIterator<QWidget> it(d->visibleWidgets); it.current(); ++it) {
03528 int xp = 0, yp = 0;
03529 w = it.current();
03530 RenderWidget* rw = static_cast<RenderWidget*>( it.currentKey() );
03531 if (!rw->absolutePosition(xp, yp) ||
03532 !visibleRect.intersects(QRect(xp, yp, w->width(), w->height())))
03533 toRemove.append(rw);
03534 }
03535 for (RenderWidget* r = toRemove.first(); r; r = toRemove.next())
03536 if ( (w = d->visibleWidgets.take(r) ) )
03537 addChild(w, 0, -500000);
03538 }
03539
03540 emit repaintAccessKeys();
03541 if (d->emitCompletedAfterRepaint) {
03542 bool full = d->emitCompletedAfterRepaint == KHTMLViewPrivate::CSFull;
03543 d->emitCompletedAfterRepaint = KHTMLViewPrivate::CSNone;
03544 if ( full )
03545 emit m_part->completed();
03546 else
03547 emit m_part->completed(true);
03548 }
03549 }
03550
03551 void KHTMLView::scheduleRelayout(khtml::RenderObject * )
03552 {
03553 if (!d->layoutSchedulingEnabled || d->layoutTimerId)
03554 return;
03555
03556 d->layoutTimerId = startTimer( m_part->xmlDocImpl() && m_part->xmlDocImpl()->parsing()
03557 ? 1000 : 0 );
03558 }
03559
03560 void KHTMLView::unscheduleRelayout()
03561 {
03562 if (!d->layoutTimerId)
03563 return;
03564
03565 killTimer(d->layoutTimerId);
03566 d->layoutTimerId = 0;
03567 }
03568
03569 void KHTMLView::unscheduleRepaint()
03570 {
03571 if (!d->repaintTimerId)
03572 return;
03573
03574 killTimer(d->repaintTimerId);
03575 d->repaintTimerId = 0;
03576 }
03577
03578 void KHTMLView::scheduleRepaint(int x, int y, int w, int h, bool asap)
03579 {
03580 bool parsing = !m_part->xmlDocImpl() || m_part->xmlDocImpl()->parsing();
03581
03582
03583
03584
03585 int time = parsing ? 300 : (!asap ? ( !d->complete ? 100 : 20 ) : 0);
03586
03587 #ifdef DEBUG_FLICKER
03588 QPainter p;
03589 p.begin( viewport() );
03590
03591 int vx, vy;
03592 contentsToViewport( x, y, vx, vy );
03593 p.fillRect( vx, vy, w, h, Qt::red );
03594 p.end();
03595 #endif
03596
03597 d->updateRegion = d->updateRegion.unite(QRect(x,y,w,h));
03598
03599 if (asap && !parsing)
03600 unscheduleRepaint();
03601
03602 if ( !d->repaintTimerId )
03603 d->repaintTimerId = startTimer( time );
03604
03605
03606 }
03607
03608 void KHTMLView::complete( bool pendingAction )
03609 {
03610
03611
03612 d->complete = true;
03613
03614
03615 if (d->layoutTimerId)
03616 {
03617
03618
03619 killTimer(d->layoutTimerId);
03620 d->layoutTimerId = startTimer( 0 );
03621 d->emitCompletedAfterRepaint = pendingAction ?
03622 KHTMLViewPrivate::CSActionPending : KHTMLViewPrivate::CSFull;
03623 }
03624
03625
03626 if (d->repaintTimerId)
03627 {
03628
03629
03630 killTimer(d->repaintTimerId);
03631 d->repaintTimerId = startTimer( 20 );
03632 d->emitCompletedAfterRepaint = pendingAction ?
03633 KHTMLViewPrivate::CSActionPending : KHTMLViewPrivate::CSFull;
03634 }
03635
03636 if (!d->emitCompletedAfterRepaint)
03637 {
03638 if (!pendingAction)
03639 emit m_part->completed();
03640 else
03641 emit m_part->completed(true);
03642 }
03643
03644 }
03645
03646 void KHTMLView::slotMouseScrollTimer()
03647 {
03648 scrollBy( d->m_mouseScroll_byX, d->m_mouseScroll_byY );
03649 }
03650
03651 #ifndef KHTML_NO_CARET
03652
03653
03654
03655
03656 #include "khtml_caret.cpp"
03657
03658 void KHTMLView::initCaret(bool keepSelection)
03659 {
03660 #if DEBUG_CARETMODE > 0
03661 kdDebug(6200) << "begin initCaret" << endl;
03662 #endif
03663
03664 if (m_part->xmlDocImpl()) {
03665 #if 0
03666 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__");
03667 if (listitem) dumpLineBoxes(static_cast<RenderFlow *>(listitem->renderer()));
03668 #endif
03669 d->caretViewContext();
03670 bool cmoved = d->m_caretViewContext->caretMoved;
03671 if (m_part->d->caretNode().isNull()) {
03672
03673 m_part->d->caretNode() = m_part->document();
03674 m_part->d->caretOffset() = 0L;
03675
03676
03677
03678 if (!m_part->d->caretNode().handle()->renderer()) return;
03679 }
03680
03681
03682
03683 moveCaretTo(m_part->d->caretNode().handle(), m_part->d->caretOffset(), !keepSelection);
03684
03685
03686 d->m_caretViewContext->caretMoved = cmoved;
03687 }
03688 #if DEBUG_CARETMODE > 0
03689 kdDebug(6200) << "end initCaret" << endl;
03690 #endif
03691 }
03692
03693 bool KHTMLView::caretOverrides() const
03694 {
03695 bool cm = m_part->isCaretMode();
03696 bool dm = m_part->isEditable();
03697 return cm && !dm ? false
03698 : (dm || m_part->d->caretNode().handle()->contentEditable())
03699 && d->editorContext()->override;
03700 }
03701
03702 void KHTMLView::ensureNodeHasFocus(NodeImpl *node)
03703 {
03704 if (m_part->isCaretMode() || m_part->isEditable()) return;
03705 if (node->focused()) return;
03706
03707
03708 NodeImpl *firstAncestor = 0;
03709 while (node) {
03710 if (node->renderer()
03711 && node->renderer()->style()->userInput() != UI_ENABLED)
03712 break;
03713 firstAncestor = node;
03714 node = node->parentNode();
03715 }
03716
03717 if (!node) firstAncestor = 0;
03718
03719 DocumentImpl *doc = m_part->xmlDocImpl();
03720
03721 if (!firstAncestor && doc->focusNode() && doc->focusNode()->renderer()
03722 && doc->focusNode()->renderer()->isWidget())
03723 return;
03724
03725
03726 #if DEBUG_CARETMODE > 1
03727 kdDebug(6200) << k_funcinfo << "firstAncestor " << firstAncestor << ": "
03728 << (firstAncestor ? firstAncestor->nodeName().string() : QString::null) << endl;
03729 #endif
03730 doc->setFocusNode(firstAncestor);
03731 emit m_part->nodeActivated(Node(firstAncestor));
03732 }
03733
03734 void KHTMLView::recalcAndStoreCaretPos(CaretBox *hintBox)
03735 {
03736 if (!m_part || m_part->d->caretNode().isNull()) return;
03737 d->caretViewContext();
03738 NodeImpl *caretNode = m_part->d->caretNode().handle();
03739 #if DEBUG_CARETMODE > 0
03740 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;
03741 #endif
03742 caretNode->getCaret(m_part->d->caretOffset(), caretOverrides(),
03743 d->m_caretViewContext->x, d->m_caretViewContext->y,
03744 d->m_caretViewContext->width,
03745 d->m_caretViewContext->height);
03746
03747 if (hintBox && d->m_caretViewContext->x == -1) {
03748 #if DEBUG_CARETMODE > 1
03749 kdDebug(6200) << "using hint inline box coordinates" << endl;
03750 #endif
03751 RenderObject *r = caretNode->renderer();
03752 const QFontMetrics &fm = r->style()->fontMetrics();
03753 int absx, absy;
03754 r->containingBlock()->absolutePosition(absx, absy,
03755 false);
03756 d->m_caretViewContext->x = absx + hintBox->xPos();
03757 d->m_caretViewContext->y = absy + hintBox->yPos();
03758
03759 d->m_caretViewContext->width = 1;
03760
03761
03762 d->m_caretViewContext->height = fm.height();
03763 }
03764
03765 #if DEBUG_CARETMODE > 4
03766
03767 #endif
03768 #if DEBUG_CARETMODE > 0
03769 kdDebug(6200) << "caret: ofs="<<m_part->d->caretOffset()<<" "
03770 <<" x="<<d->m_caretViewContext->x<<" y="<<d->m_caretViewContext->y
03771 <<" h="<<d->m_caretViewContext->height<<endl;
03772 #endif
03773 }
03774
03775 void KHTMLView::caretOn()
03776 {
03777 if (d->m_caretViewContext) {
03778 killTimer(d->m_caretViewContext->freqTimerId);
03779
03780 if (hasFocus() || d->m_caretViewContext->displayNonFocused
03781 == KHTMLPart::CaretBlink) {
03782 d->m_caretViewContext->freqTimerId = startTimer(500);
03783 } else {
03784 d->m_caretViewContext->freqTimerId = -1;
03785 }
03786
03787 d->m_caretViewContext->visible = true;
03788 if ((d->m_caretViewContext->displayed = (hasFocus()
03789 || d->m_caretViewContext->displayNonFocused
03790 != KHTMLPart::CaretInvisible))) {
03791 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03792 d->m_caretViewContext->width,
03793 d->m_caretViewContext->height);
03794 }
03795
03796 }
03797 }
03798
03799 void KHTMLView::caretOff()
03800 {
03801 if (d->m_caretViewContext) {
03802 killTimer(d->m_caretViewContext->freqTimerId);
03803 d->m_caretViewContext->freqTimerId = -1;
03804 d->m_caretViewContext->displayed = false;
03805 if (d->m_caretViewContext->visible) {
03806 d->m_caretViewContext->visible = false;
03807 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03808 d->m_caretViewContext->width,
03809 d->m_caretViewContext->height);
03810 }
03811
03812 }
03813 }
03814
03815 void KHTMLView::showCaret(bool forceRepaint)
03816 {
03817 if (d->m_caretViewContext) {
03818 d->m_caretViewContext->displayed = true;
03819 if (d->m_caretViewContext->visible) {
03820 if (!forceRepaint) {
03821 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03822 d->m_caretViewContext->width,
03823 d->m_caretViewContext->height);
03824 } else {
03825 repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03826 d->m_caretViewContext->width,
03827 d->m_caretViewContext->height);
03828 }
03829 }
03830
03831 }
03832 }
03833
03834 bool KHTMLView::foldSelectionToCaret(NodeImpl *startNode, long startOffset,
03835 NodeImpl *endNode, long endOffset)
03836 {
03837 m_part->d->m_selectionStart = m_part->d->m_selectionEnd = m_part->d->caretNode();
03838 m_part->d->m_startOffset = m_part->d->m_endOffset = m_part->d->caretOffset();
03839 m_part->d->m_extendAtEnd = true;
03840
03841 bool folded = startNode != endNode || startOffset != endOffset;
03842
03843
03844 if (folded) {
03845 m_part->xmlDocImpl()->clearSelection();
03846 }
03847
03848 return folded;
03849 }
03850
03851 void KHTMLView::hideCaret()
03852 {
03853 if (d->m_caretViewContext) {
03854 if (d->m_caretViewContext->visible) {
03855
03856 d->m_caretViewContext->visible = false;
03857
03858
03859 repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03860 d->m_caretViewContext->width,
03861 d->m_caretViewContext->height);
03862 d->m_caretViewContext->visible = true;
03863 }
03864 d->m_caretViewContext->displayed = false;
03865
03866 }
03867 }
03868
03869 int KHTMLView::caretDisplayPolicyNonFocused() const
03870 {
03871 if (d->m_caretViewContext)
03872 return d->m_caretViewContext->displayNonFocused;
03873 else
03874 return KHTMLPart::CaretInvisible;
03875 }
03876
03877 void KHTMLView::setCaretDisplayPolicyNonFocused(int policy)
03878 {
03879 d->caretViewContext();
03880
03881 d->m_caretViewContext->displayNonFocused = (KHTMLPart::CaretDisplayPolicy)policy;
03882
03883
03884 if (!hasFocus()) {
03885 switch (d->m_caretViewContext->displayNonFocused) {
03886 case KHTMLPart::CaretInvisible:
03887 hideCaret();
03888 break;
03889 case KHTMLPart::CaretBlink:
03890 if (d->m_caretViewContext->freqTimerId != -1) break;
03891 d->m_caretViewContext->freqTimerId = startTimer(500);
03892
03893 case KHTMLPart::CaretVisible:
03894 d->m_caretViewContext->displayed = true;
03895 showCaret();
03896 break;
03897 }
03898 }
03899 }
03900
03901 bool KHTMLView::placeCaret(CaretBox *hintBox)
03902 {
03903 CaretViewContext *cv = d->caretViewContext();
03904 caretOff();
03905 NodeImpl *caretNode = m_part->d->caretNode().handle();
03906
03907 if (!caretNode || !caretNode->renderer()) return false;
03908 ensureNodeHasFocus(caretNode);
03909 if (m_part->isCaretMode() || m_part->isEditable()
03910 || caretNode->renderer()->style()->userInput() == UI_ENABLED) {
03911 recalcAndStoreCaretPos(hintBox);
03912
03913 cv->origX = cv->x;
03914
03915 caretOn();
03916 return true;
03917 }
03918 return false;
03919 }
03920
03921 void KHTMLView::ensureCaretVisible()
03922 {
03923 CaretViewContext *cv = d->m_caretViewContext;
03924 if (!cv) return;
03925 ensureVisible(cv->x, cv->y, cv->width, cv->height);
03926 d->scrollBarMoved = false;
03927 }
03928
03929 bool KHTMLView::extendSelection(NodeImpl *oldStartSel, long oldStartOfs,
03930 NodeImpl *oldEndSel, long oldEndOfs)
03931 {
03932 bool changed = false;
03933 if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd
03934 && m_part->d->m_startOffset == m_part->d->m_endOffset) {
03935 changed = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
03936 m_part->d->m_extendAtEnd = true;
03937 } else do {
03938 changed = m_part->d->m_selectionStart.handle() != oldStartSel
03939 || m_part->d->m_startOffset != oldStartOfs
03940 || m_part->d->m_selectionEnd.handle() != oldEndSel
03941 || m_part->d->m_endOffset != oldEndOfs;
03942 if (!changed) break;
03943
03944
03945 NodeImpl *startNode;
03946 long startOffset;
03947 if (m_part->d->m_extendAtEnd) {
03948 startNode = m_part->d->m_selectionStart.handle();
03949 startOffset = m_part->d->m_startOffset;
03950 } else {
03951 startNode = m_part->d->m_selectionEnd.handle();
03952 startOffset = m_part->d->m_endOffset;
03953 m_part->d->m_selectionEnd = m_part->d->m_selectionStart;
03954 m_part->d->m_endOffset = m_part->d->m_startOffset;
03955 m_part->d->m_extendAtEnd = true;
03956 }
03957
03958 bool swapNeeded = false;
03959 if (!m_part->d->m_selectionEnd.isNull() && startNode) {
03960 swapNeeded = RangeImpl::compareBoundaryPoints(startNode, startOffset,
03961 m_part->d->m_selectionEnd.handle(),
03962 m_part->d->m_endOffset) >= 0;
03963 }
03964
03965 m_part->d->m_selectionStart = startNode;
03966 m_part->d->m_startOffset = startOffset;
03967
03968 if (swapNeeded) {
03969 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionEnd.handle(),
03970 m_part->d->m_endOffset, m_part->d->m_selectionStart.handle(),
03971 m_part->d->m_startOffset);
03972 } else {
03973 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(),
03974 m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(),
03975 m_part->d->m_endOffset);
03976 }
03977 } while(false);
03978 return changed;
03979 }
03980
03981 void KHTMLView::updateSelection(NodeImpl *oldStartSel, long oldStartOfs,
03982 NodeImpl *oldEndSel, long oldEndOfs)
03983 {
03984 if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd
03985 && m_part->d->m_startOffset == m_part->d->m_endOffset) {
03986 if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs)) {
03987 m_part->emitSelectionChanged();
03988 }
03989 m_part->d->m_extendAtEnd = true;
03990 } else {
03991
03992 if (!m_part->d->m_selectionEnd.isNull() && !m_part->d->m_selectionEnd.isNull()) {
03993 bool swapNeeded = RangeImpl::compareBoundaryPoints(
03994 m_part->d->m_selectionStart.handle(), m_part->d->m_startOffset,
03995 m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset) >= 0;
03996 if (swapNeeded) {
03997 DOM::Node tmpNode = m_part->d->m_selectionStart;
03998 long tmpOffset = m_part->d->m_startOffset;
03999 m_part->d->m_selectionStart = m_part->d->m_selectionEnd;
04000 m_part->d->m_startOffset = m_part->d->m_endOffset;
04001 m_part->d->m_selectionEnd = tmpNode;
04002 m_part->d->m_endOffset = tmpOffset;
04003 m_part->d->m_startBeforeEnd = true;
04004 m_part->d->m_extendAtEnd = !m_part->d->m_extendAtEnd;
04005 }
04006 }
04007
04008 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(),
04009 m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(),
04010 m_part->d->m_endOffset);
04011 m_part->emitSelectionChanged();
04012 }
04013 }
04014
04015 void KHTMLView::caretKeyPressEvent(QKeyEvent *_ke)
04016 {
04017 NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle();
04018 long oldStartOfs = m_part->d->m_startOffset;
04019 NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle();
04020 long oldEndOfs = m_part->d->m_endOffset;
04021
04022 NodeImpl *oldCaretNode = m_part->d->caretNode().handle();
04023 long oldOffset = m_part->d->caretOffset();
04024
04025 bool ctrl = _ke->state() & ControlButton;
04026
04027
04028 switch(_ke->key()) {
04029 case Key_Space:
04030 break;
04031
04032 case Key_Down:
04033 moveCaretNextLine(1);
04034 break;
04035
04036 case Key_Up:
04037 moveCaretPrevLine(1);
04038 break;
04039
04040 case Key_Left:
04041 moveCaretBy(false, ctrl ? CaretByWord : CaretByCharacter, 1);
04042 break;
04043
04044 case Key_Right:
04045 moveCaretBy(true, ctrl ? CaretByWord : CaretByCharacter, 1);
04046 break;
04047
04048 case Key_Next:
04049 moveCaretNextPage();
04050 break;
04051
04052 case Key_Prior:
04053 moveCaretPrevPage();
04054 break;
04055
04056 case Key_Home:
04057 if (ctrl)
04058 moveCaretToDocumentBoundary(false);
04059 else
04060 moveCaretToLineBegin();
04061 break;
04062
04063 case Key_End:
04064 if (ctrl)
04065 moveCaretToDocumentBoundary(true);
04066 else
04067 moveCaretToLineEnd();
04068 break;
04069
04070 }
04071
04072 if ((m_part->d->caretNode().handle() != oldCaretNode
04073 || m_part->d->caretOffset() != oldOffset)
04074
04075 && !m_part->d->caretNode().isNull()) {
04076
04077 d->m_caretViewContext->caretMoved = true;
04078
04079 if (_ke->state() & ShiftButton) {
04080 updateSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04081 } else {
04082 if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs))
04083 m_part->emitSelectionChanged();
04084 }
04085
04086 m_part->emitCaretPositionChanged(m_part->d->caretNode(), m_part->d->caretOffset());
04087 }
04088
04089 _ke->accept();
04090 }
04091
04092 bool KHTMLView::moveCaretTo(NodeImpl *node, long offset, bool clearSel)
04093 {
04094 if (!node) return false;
04095 ElementImpl *baseElem = determineBaseElement(node);
04096 RenderFlow *base = static_cast<RenderFlow *>(baseElem ? baseElem->renderer() : 0);
04097 if (!node) return false;
04098
04099
04100
04101
04102 CaretBoxLineDeleter cblDeleter;
04103
04104 long r_ofs;
04105 CaretBoxIterator cbit;
04106 CaretBoxLine *cbl = findCaretBoxLine(node, offset, &cblDeleter, base, r_ofs, cbit);
04107 if(!cbl) {
04108 kdWarning() << "KHTMLView::moveCaretTo - findCaretBoxLine() returns NULL" << endl;
04109 return false;
04110 }
04111
04112 #if DEBUG_CARETMODE > 3
04113 if (cbl) kdDebug(6200) << cbl->information() << endl;
04114 #endif
04115 CaretBox *box = *cbit;
04116 if (cbit != cbl->end() && box->object() != node->renderer()) {
04117 if (box->object()->element()) {
04118 mapRenderPosToDOMPos(box->object(), r_ofs, box->isOutside(),
04119 box->isOutsideEnd(), node, offset);
04120
04121 #if DEBUG_CARETMODE > 1
04122 kdDebug(6200) << "set new node " << node->nodeName().string() << "@" << node << endl;
04123 #endif
04124 } else {
04125
04126 box = 0;
04127 kdError(6200) << "Box contains no node! Crash imminent" << endl;
04128 }
04129 }
04130
04131 NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle();
04132 long oldStartOfs = m_part->d->m_startOffset;
04133 NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle();
04134 long oldEndOfs = m_part->d->m_endOffset;
04135
04136
04137 bool posChanged = m_part->d->caretNode().handle() != node
04138 || m_part->d->caretOffset() != offset;
04139 bool selChanged = false;
04140
04141 m_part->d->caretNode() = node;
04142 m_part->d->caretOffset() = offset;
04143 if (clearSel || !oldStartSel || !oldEndSel) {
04144 selChanged = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04145 } else {
04146
04147
04148 selChanged = extendSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04149
04150
04151 }
04152
04153 d->caretViewContext()->caretMoved = true;
04154
04155 bool visible_caret = placeCaret(box);
04156
04157
04158
04159
04160 if (posChanged) {
04161 m_part->emitCaretPositionChanged(visible_caret ? node : 0, offset);
04162 }
04163
04164 return selChanged;
04165 }
04166
04167 void KHTMLView::moveCaretByLine(bool next, int count)
04168 {
04169 Node &caretNodeRef = m_part->d->caretNode();
04170 if (caretNodeRef.isNull()) return;
04171
04172 NodeImpl *caretNode = caretNodeRef.handle();
04173
04174 long offset = m_part->d->caretOffset();
04175
04176 CaretViewContext *cv = d->caretViewContext();
04177
04178 ElementImpl *baseElem = determineBaseElement(caretNode);
04179 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04180
04181 ErgonomicEditableLineIterator it(ld.current(), cv->origX);
04182
04183
04184 while (count > 0 && it != ld.end() && it != ld.preBegin()) {
04185 count--;
04186 if (next) ++it; else --it;
04187 }
04188
04189
04190 if (it == ld.end() || it == ld.preBegin()) return;
04191
04192 int x, absx, absy;
04193 CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy);
04194
04195 placeCaretOnLine(caretBox, x, absx, absy);
04196 }
04197
04198 void KHTMLView::placeCaretOnLine(CaretBox *caretBox, int x, int absx, int absy)
04199 {
04200
04201 if (!caretBox) return;
04202
04203 RenderObject *caretRender = caretBox->object();
04204
04205 #if DEBUG_CARETMODE > 0
04206 kdDebug(6200) << "got valid caretBox " << caretBox << endl;
04207 kdDebug(6200) << "xPos: " << caretBox->xPos() << " yPos: " << caretBox->yPos()
04208 << " width: " << caretBox->width() << " height: " << caretBox->height() << endl;
04209 InlineTextBox *tb = static_cast<InlineTextBox *>(caretBox->inlineBox());
04210 if (caretBox->isInlineTextBox()) { kdDebug(6200) << "contains \"" << QString(static_cast<RenderText *>(tb->object())->str->s + tb->m_start, tb->m_len) << "\"" << endl;}
04211 #endif
04212
04213 int caretHeight = caretBox->height();
04214 bool isText = caretBox->isInlineTextBox();
04215 int yOfs = 0;
04216 if (isText) {
04217
04218 RenderText *t = static_cast<RenderText *>(caretRender);
04219 const QFontMetrics &fm = t->metrics(caretBox->inlineBox()->m_firstLine);
04220 caretHeight = fm.height();
04221 yOfs = caretBox->inlineBox()->baseline() - fm.ascent();
04222 }
04223
04224 caretOff();
04225
04226
04227 NodeImpl *caretNode;
04228 long &offset = m_part->d->caretOffset();
04229 mapRenderPosToDOMPos(caretRender, offset, caretBox->isOutside(),
04230 caretBox->isOutsideEnd(), caretNode, offset);
04231
04232
04233 d->m_caretViewContext->y = caretBox->yPos() + yOfs;
04234 d->m_caretViewContext->height = caretHeight;
04235 d->m_caretViewContext->width = 1;
04236
04237 int xPos = caretBox->xPos();
04238 int caretBoxWidth = caretBox->width();
04239 d->m_caretViewContext->x = xPos;
04240
04241 if (!caretBox->isOutside()) {
04242
04243 long r_ofs = 0;
04244 if (x <= xPos) {
04245 r_ofs = caretBox->minOffset();
04246
04247 } else if (x > xPos && x <= xPos + caretBoxWidth) {
04248 if (isText) {
04249 r_ofs = static_cast<InlineTextBox *>(caretBox->inlineBox())
04250 ->offsetForPoint(x, d->m_caretViewContext->x);
04251 #if DEBUG_CARETMODE > 2
04252 kdDebug(6200) << "deviation from origX " << d->m_caretViewContext->x - x << endl;
04253 #endif
04254 #if 0
04255 } else {
04256 if (xPos + caretBoxWidth - x < x - xPos) {
04257 d->m_caretViewContext->x = xPos + caretBoxWidth;
04258 r_ofs = caretNode ? caretNode->maxOffset() : 1;
04259 } else {
04260 d->m_caretViewContext->x = xPos;
04261 r_ofs = caretNode ? caretNode->minOffset() : 0;
04262 }
04263 #endif
04264 }
04265 } else {
04266 d->m_caretViewContext->x = xPos + caretBoxWidth;
04267 r_ofs = caretBox->maxOffset();
04268 }
04269 offset = r_ofs;
04270 }
04271 #if DEBUG_CARETMODE > 0
04272 kdDebug(6200) << "new offset: " << offset << endl;
04273 #endif
04274
04275 m_part->d->caretNode() = caretNode;
04276 m_part->d->caretOffset() = offset;
04277
04278 d->m_caretViewContext->x += absx;
04279 d->m_caretViewContext->y += absy;
04280
04281 #if DEBUG_CARETMODE > 1
04282 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;
04283 #endif
04284
04285 ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y,
04286 d->m_caretViewContext->width, d->m_caretViewContext->height);
04287 d->scrollBarMoved = false;
04288
04289 ensureNodeHasFocus(caretNode);
04290 caretOn();
04291 }
04292
04293 void KHTMLView::moveCaretToLineBoundary(bool end)
04294 {
04295 Node &caretNodeRef = m_part->d->caretNode();
04296 if (caretNodeRef.isNull()) return;
04297
04298 NodeImpl *caretNode = caretNodeRef.handle();
04299
04300 long offset = m_part->d->caretOffset();
04301
04302 ElementImpl *baseElem = determineBaseElement(caretNode);
04303 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04304
04305 EditableLineIterator it = ld.current();
04306 if (it == ld.end()) return;
04307
04308 EditableCaretBoxIterator fbit(it, end);
04309 Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin());
04310 CaretBox *b = *fbit;
04311
04312 RenderObject *cb = b->containingBlock();
04313 int absx, absy;
04314
04315 if (cb) cb->absolutePosition(absx,absy);
04316 else absx = absy = 0;
04317
04318 int x = b->xPos() + (end && !b->isOutside() ? b->width() : 0);
04319 d->m_caretViewContext->origX = absx + x;
04320 placeCaretOnLine(b, x, absx, absy);
04321 }
04322
04323 void KHTMLView::moveCaretToDocumentBoundary(bool end)
04324 {
04325 Node &caretNodeRef = m_part->d->caretNode();
04326 if (caretNodeRef.isNull()) return;
04327
04328 NodeImpl *caretNode = caretNodeRef.handle();
04329
04330 long offset = m_part->d->caretOffset();
04331
04332 ElementImpl *baseElem = determineBaseElement(caretNode);
04333 LinearDocument ld(m_part, caretNode, offset, IndicatedFlows, baseElem);
04334
04335 EditableLineIterator it(end ? ld.preEnd() : ld.begin(), end);
04336 if (it == ld.end() || it == ld.preBegin()) return;
04337
04338 EditableCaretBoxIterator fbit = it;
04339 Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin());
04340 CaretBox *b = *fbit;
04341
04342 RenderObject *cb = (*it)->containingBlock();
04343 int absx, absy;
04344
04345 if (cb) cb->absolutePosition(absx, absy);
04346 else absx = absy = 0;
04347
04348 int x = b->xPos();
04349 d->m_caretViewContext->origX = absx + x;
04350 placeCaretOnLine(b, x, absx, absy);
04351 }
04352
04353 void KHTMLView::moveCaretBy(bool next, CaretMovement cmv, int count)
04354 {
04355 if (!m_part) return;
04356 Node &caretNodeRef = m_part->d->caretNode();
04357 if (caretNodeRef.isNull()) return;
04358
04359 NodeImpl *caretNode = caretNodeRef.handle();
04360
04361 long &offset = m_part->d->caretOffset();
04362
04363 ElementImpl *baseElem = determineBaseElement(caretNode);
04364 CaretAdvancePolicy advpol = cmv != CaretByWord ? IndicatedFlows : LeafsOnly;
04365 LinearDocument ld(m_part, caretNode, offset, advpol, baseElem);
04366
04367 EditableCharacterIterator it(&ld);
04368 while (!it.isEnd() && count > 0) {
04369 count--;
04370 if (cmv == CaretByCharacter) {
04371 if (next) ++it;
04372 else --it;
04373 } else if (cmv == CaretByWord) {
04374 if (next) moveItToNextWord(it);
04375 else moveItToPrevWord(it);
04376 }
04377
04378 }
04379 CaretBox *hintBox = 0;
04380 if (!it.isEnd()) {
04381 NodeImpl *node = caretNodeRef.handle();
04382 hintBox = it.caretBox();
04383
04384
04385 mapRenderPosToDOMPos(it.renderer(), it.offset(), hintBox->isOutside(),
04386 hintBox->isOutsideEnd(), node, offset);
04387
04388 caretNodeRef = node;
04389 #if DEBUG_CARETMODE > 2
04390 kdDebug(6200) << "set by valid node " << node << " " << (node?node->nodeName().string():QString::null) << " offset: " << offset << endl;
04391 #endif
04392 } else {
04393 offset = next ? caretNode->maxOffset() : caretNode->minOffset();
04394 #if DEBUG_CARETMODE > 0
04395 kdDebug(6200) << "set by INvalid node. offset: " << offset << endl;
04396 #endif
04397 }
04398 placeCaretOnChar(hintBox);
04399 }
04400
04401 void KHTMLView::placeCaretOnChar(CaretBox *hintBox)
04402 {
04403 caretOff();
04404 recalcAndStoreCaretPos(hintBox);
04405 ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y,
04406 d->m_caretViewContext->width, d->m_caretViewContext->height);
04407 d->m_caretViewContext->origX = d->m_caretViewContext->x;
04408 d->scrollBarMoved = false;
04409 #if DEBUG_CARETMODE > 3
04410
04411 #endif
04412 ensureNodeHasFocus(m_part->d->caretNode().handle());
04413 caretOn();
04414 }
04415
04416 void KHTMLView::moveCaretByPage(bool next)
04417 {
04418 Node &caretNodeRef = m_part->d->caretNode();
04419 if (caretNodeRef.isNull()) return;
04420
04421 NodeImpl *caretNode = caretNodeRef.handle();
04422
04423 long offset = m_part->d->caretOffset();
04424
04425 int offs = (clipper()->height() < 30) ? clipper()->height() : 30;
04426
04427 int mindist = clipper()->height() - offs;
04428
04429 CaretViewContext *cv = d->caretViewContext();
04430
04431
04432 ElementImpl *baseElem = determineBaseElement(caretNode);
04433 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04434
04435 ErgonomicEditableLineIterator it(ld.current(), cv->origX);
04436
04437 moveIteratorByPage(ld, it, mindist, next);
04438
04439 int x, absx, absy;
04440 CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy);
04441
04442 placeCaretOnLine(caretBox, x, absx, absy);
04443 }
04444
04445 void KHTMLView::moveCaretPrevWord()
04446 {
04447 moveCaretBy(false, CaretByWord, 1);
04448 }
04449
04450 void KHTMLView::moveCaretNextWord()
04451 {
04452 moveCaretBy(true, CaretByWord, 1);
04453 }
04454
04455 void KHTMLView::moveCaretPrevLine(int n)
04456 {
04457 moveCaretByLine(false, n);
04458 }
04459
04460 void KHTMLView::moveCaretNextLine(int n)
04461 {
04462 moveCaretByLine(true, n);
04463 }
04464
04465 void KHTMLView::moveCaretPrevPage()
04466 {
04467 moveCaretByPage(false);
04468 }
04469
04470 void KHTMLView::moveCaretNextPage()
04471 {
04472 moveCaretByPage(true);
04473 }
04474
04475 void KHTMLView::moveCaretToLineBegin()
04476 {
04477 moveCaretToLineBoundary(false);
04478 }
04479
04480 void KHTMLView::moveCaretToLineEnd()
04481 {
04482 moveCaretToLineBoundary(true);
04483 }
04484
04485 #endif // KHTML_NO_CARET
04486
04487 #ifndef NO_SMOOTH_SCROLL_HACK
04488 #define timer timer2
04489
04490
04491 static const int SCROLL_TIME = 240;
04492
04493 static const int SCROLL_TICK = 20;
04494
04495 void KHTMLView::scrollBy(int dx, int dy)
04496 {
04497 KConfigGroup cfg( KGlobal::config(), "KDE" );
04498 if( !cfg.readBoolEntry( "SmoothScrolling", true )) {
04499 QScrollView::scrollBy( dx, dy );
04500 return;
04501 }
04502
04503 int full_dx = d->dx + dx;
04504 int full_dy = d->dy + dy;
04505
04506
04507 int ddx = 0;
04508 int ddy = 0;
04509
04510 int steps = SCROLL_TIME/SCROLL_TICK;
04511
04512 ddx = (full_dx*16)/steps;
04513 ddy = (full_dy*16)/steps;
04514
04515
04516 if (ddx > 0 && ddx < 16) ddx = 16;
04517 if (ddy > 0 && ddy < 16) ddy = 16;
04518 if (ddx < 0 && ddx > -16) ddx = -16;
04519 if (ddy < 0 && ddy > -16) ddy = -16;
04520
04521 d->dx = full_dx;
04522 d->dy = full_dy;
04523 d->ddx = ddx;
04524 d->ddy = ddy;
04525
04526 if (!d->scrolling) {
04527 scrollTick();
04528 startScrolling();
04529 }
04530 }
04531
04532 void KHTMLView::scrollTick() {
04533 if (d->dx == 0 && d->dy == 0) {
04534 stopScrolling();
04535 return;
04536 }
04537
04538 int tddx = d->ddx + d->rdx;
04539 int tddy = d->ddy + d->rdy;
04540
04541 int ddx = tddx / 16;
04542 int ddy = tddy / 16;
04543 d->rdx = tddx % 16;
04544 d->rdy = tddy % 16;
04545
04546 if (d->dx > 0 && ddx > d->dx) ddx = d->dx;
04547 else
04548 if (d->dx < 0 && ddx < d->dx) ddx = d->dx;
04549
04550 if (d->dy > 0 && ddy > d->dy) ddy = d->dy;
04551 else
04552 if (d->dy < 0 && ddy < d->dy) ddy = d->dy;
04553
04554 d->dx -= ddx;
04555 d->dy -= ddy;
04556
04557
04558 QScrollView::scrollBy(ddx, ddy);
04559 }
04560
04561 void KHTMLView::startScrolling()
04562 {
04563 d->scrolling = true;
04564 d->timer.start(SCROLL_TICK, false);
04565 }
04566
04567 void KHTMLView::stopScrolling()
04568 {
04569 d->timer.stop();
04570 d->dx = d->dy = 0;
04571 d->scrolling = false;
04572 }
04573
04574
04575 void KHTMLView::scrollViewWheelEvent( QWheelEvent *e )
04576 {
04577 int pageStep = verticalScrollBar()->pageStep();
04578 int lineStep = verticalScrollBar()->lineStep();
04579 int step = QMIN( QApplication::wheelScrollLines()*lineStep, pageStep );
04580 if ( ( e->state() & ControlButton ) || ( e->state() & ShiftButton ) )
04581 step = pageStep;
04582
04583 if(e->orientation() == Horizontal)
04584 scrollBy(-((e->delta()*step)/120), 0);
04585 else if(e->orientation() == Vertical)
04586 scrollBy(0,-((e->delta()*step)/120));
04587
04588 e->accept();
04589 }
04590
04591 #undef timer
04592
04593 #endif // NO_SMOOTH_SCROLL_HACK
04594
04595 #undef DEBUG_CARETMODE