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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 "khtml_settings.h"
00054 #include "khtml_printsettings.h"
00055
00056 #include "khtmlpart_p.h"
00057
00058 #ifndef KHTML_NO_CARET
00059 #include "khtml_caret_p.h"
00060 #include "xml/dom2_rangeimpl.h"
00061 #endif
00062
00063 #include <kapplication.h>
00064 #include <kcursor.h>
00065 #include <kdebug.h>
00066 #include <kdialogbase.h>
00067 #include <kiconloader.h>
00068 #include <kimageio.h>
00069 #include <klocale.h>
00070 #include <knotifyclient.h>
00071 #include <kprinter.h>
00072 #include <ksimpleconfig.h>
00073 #include <kstandarddirs.h>
00074 #include <kstdaccel.h>
00075 #include <kstringhandler.h>
00076 #include <kurldrag.h>
00077
00078 #include <qbitmap.h>
00079 #include <qlabel.h>
00080 #include <qobjectlist.h>
00081 #include <qpaintdevicemetrics.h>
00082 #include <qpainter.h>
00083 #include <qptrdict.h>
00084 #include <qtooltip.h>
00085 #include <qstring.h>
00086 #include <qstylesheet.h>
00087 #include <qtimer.h>
00088 #include <qvaluevector.h>
00089
00090
00091
00092
00093
00094
00095
00096 #ifdef Q_WS_X11
00097 #include <X11/Xlib.h>
00098 #include <fixx11h.h>
00099 #endif
00100
00101 #define PAINT_BUFFER_HEIGHT 128
00102
00103 #if 0
00104 namespace khtml {
00105 void dumpLineBoxes(RenderFlow *flow);
00106 }
00107 #endif
00108
00109 using namespace DOM;
00110 using namespace khtml;
00111 class KHTMLToolTip;
00112
00113
00114 #ifndef QT_NO_TOOLTIP
00115
00116 class KHTMLToolTip : public QToolTip
00117 {
00118 public:
00119 KHTMLToolTip(KHTMLView *view, KHTMLViewPrivate* vp) : QToolTip(view->viewport())
00120 {
00121 m_view = view;
00122 m_viewprivate = vp;
00123 };
00124
00125 protected:
00126 virtual void maybeTip(const QPoint &);
00127
00128 private:
00129 KHTMLView *m_view;
00130 KHTMLViewPrivate* m_viewprivate;
00131 };
00132
00133 #endif
00134
00135 class KHTMLViewPrivate {
00136 friend class KHTMLToolTip;
00137 public:
00138
00139 enum PseudoFocusNodes {
00140 PFNone,
00141 PFTop,
00142 PFBottom
00143 };
00144
00145 enum CompletedState {
00146 CSNone = 0,
00147 CSFull,
00148 CSActionPending
00149 };
00150
00151 KHTMLViewPrivate()
00152 : underMouse( 0 ), underMouseNonShared( 0 ), visibleWidgets( 107 )
00153 {
00154 #ifndef KHTML_NO_CARET
00155 m_caretViewContext = 0;
00156 m_editorContext = 0;
00157 #endif // KHTML_NO_CARET
00158 postponed_autorepeat = NULL;
00159 reset();
00160 vmode = QScrollView::Auto;
00161 hmode = QScrollView::Auto;
00162 tp=0;
00163 paintBuffer=0;
00164 vertPaintBuffer=0;
00165 formCompletions=0;
00166 prevScrollbarVisible = true;
00167 tooltip = 0;
00168 possibleTripleClick = false;
00169 emitCompletedAfterRepaint = CSNone;
00170 cursor_icon_widget = NULL;
00171 m_mouseScrollTimer = 0;
00172 m_mouseScrollIndicator = 0;
00173 }
00174 ~KHTMLViewPrivate()
00175 {
00176 delete formCompletions;
00177 delete tp; tp = 0;
00178 delete paintBuffer; paintBuffer =0;
00179 delete vertPaintBuffer;
00180 delete postponed_autorepeat;
00181 if (underMouse)
00182 underMouse->deref();
00183 if (underMouseNonShared)
00184 underMouseNonShared->deref();
00185 delete tooltip;
00186 #ifndef KHTML_NO_CARET
00187 delete m_caretViewContext;
00188 delete m_editorContext;
00189 #endif // KHTML_NO_CARET
00190 delete cursor_icon_widget;
00191 delete m_mouseScrollTimer;
00192 delete m_mouseScrollIndicator;
00193 }
00194 void reset()
00195 {
00196 if (underMouse)
00197 underMouse->deref();
00198 underMouse = 0;
00199 if (underMouseNonShared)
00200 underMouseNonShared->deref();
00201 underMouseNonShared = 0;
00202 linkPressed = false;
00203 useSlowRepaints = false;
00204 tabMovePending = false;
00205 lastTabbingDirection = true;
00206 pseudoFocusNode = PFNone;
00207 #ifndef KHTML_NO_SCROLLBARS
00208
00209
00210
00211
00212 #else
00213 vmode = QScrollView::AlwaysOff;
00214 hmode = QScrollView::AlwaysOff;
00215 #endif
00216 #ifdef DEBUG_PIXEL
00217 timer.start();
00218 pixelbooth = 0;
00219 repaintbooth = 0;
00220 #endif
00221 scrollBarMoved = false;
00222 contentsMoving = false;
00223 ignoreWheelEvents = false;
00224 borderX = 30;
00225 borderY = 30;
00226 paged = false;
00227 clickX = -1;
00228 clickY = -1;
00229 prevMouseX = -1;
00230 prevMouseY = -1;
00231 clickCount = 0;
00232 isDoubleClick = false;
00233 scrollingSelf = false;
00234 delete postponed_autorepeat;
00235 postponed_autorepeat = NULL;
00236 layoutTimerId = 0;
00237 repaintTimerId = 0;
00238 scrollTimerId = 0;
00239 scrollSuspended = false;
00240 scrollSuspendPreActivate = false;
00241 complete = false;
00242 firstRelayout = true;
00243 needsFullRepaint = true;
00244 dirtyLayout = false;
00245 layoutSchedulingEnabled = true;
00246 painting = false;
00247 updateRegion = QRegion();
00248 m_dialogsAllowed = true;
00249 #ifndef KHTML_NO_CARET
00250 if (m_caretViewContext) {
00251 m_caretViewContext->caretMoved = false;
00252 m_caretViewContext->keyReleasePending = false;
00253 }
00254 #endif // KHTML_NO_CARET
00255 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00256 typeAheadActivated = false;
00257 #endif // KHTML_NO_TYPE_AHEAD_FIND
00258 accessKeysActivated = false;
00259 accessKeysPreActivate = false;
00260
00261
00262 KHTMLFactory::ref();
00263 accessKeysEnabled = KHTMLFactory::defaultHTMLSettings()->accessKeysEnabled();
00264 KHTMLFactory::deref();
00265
00266 emitCompletedAfterRepaint = CSNone;
00267 }
00268 void newScrollTimer(QWidget *view, int tid)
00269 {
00270
00271 view->killTimer(scrollTimerId);
00272 scrollTimerId = tid;
00273 scrollSuspended = false;
00274 }
00275 enum ScrollDirection { ScrollLeft, ScrollRight, ScrollUp, ScrollDown };
00276
00277 void adjustScroller(QWidget *view, ScrollDirection direction, ScrollDirection oppositedir)
00278 {
00279 static const struct { int msec, pixels; } timings [] = {
00280 {320,1}, {224,1}, {160,1}, {112,1}, {80,1}, {56,1}, {40,1},
00281 {28,1}, {20,1}, {20,2}, {20,3}, {20,4}, {20,6}, {20,8}, {0,0}
00282 };
00283 if (!scrollTimerId ||
00284 (scrollDirection != direction &&
00285 (scrollDirection != oppositedir || scrollSuspended))) {
00286 scrollTiming = 6;
00287 scrollBy = timings[scrollTiming].pixels;
00288 scrollDirection = direction;
00289 newScrollTimer(view, view->startTimer(timings[scrollTiming].msec));
00290 } else if (scrollDirection == direction &&
00291 timings[scrollTiming+1].msec && !scrollSuspended) {
00292 scrollBy = timings[++scrollTiming].pixels;
00293 newScrollTimer(view, view->startTimer(timings[scrollTiming].msec));
00294 } else if (scrollDirection == oppositedir) {
00295 if (scrollTiming) {
00296 scrollBy = timings[--scrollTiming].pixels;
00297 newScrollTimer(view, view->startTimer(timings[scrollTiming].msec));
00298 }
00299 }
00300 scrollSuspended = false;
00301 }
00302
00303 #ifndef KHTML_NO_CARET
00304
00307 CaretViewContext *caretViewContext() {
00308 if (!m_caretViewContext) m_caretViewContext = new CaretViewContext();
00309 return m_caretViewContext;
00310 }
00314 EditorContext *editorContext() {
00315 if (!m_editorContext) m_editorContext = new EditorContext();
00316 return m_editorContext;
00317 }
00318 #endif // KHTML_NO_CARET
00319
00320 #ifdef DEBUG_PIXEL
00321 QTime timer;
00322 unsigned int pixelbooth;
00323 unsigned int repaintbooth;
00324 #endif
00325
00326 QPainter *tp;
00327 QPixmap *paintBuffer;
00328 QPixmap *vertPaintBuffer;
00329 NodeImpl *underMouse;
00330 NodeImpl *underMouseNonShared;
00331
00332 bool tabMovePending:1;
00333 bool lastTabbingDirection:1;
00334 PseudoFocusNodes pseudoFocusNode:2;
00335 bool scrollBarMoved:1;
00336 bool contentsMoving:1;
00337
00338 QScrollView::ScrollBarMode vmode;
00339 QScrollView::ScrollBarMode hmode;
00340 bool prevScrollbarVisible:1;
00341 bool linkPressed:1;
00342 bool useSlowRepaints:1;
00343 bool ignoreWheelEvents:1;
00344
00345 int borderX, borderY;
00346 KSimpleConfig *formCompletions;
00347
00348 bool paged;
00349
00350 int clickX, clickY, clickCount;
00351 bool isDoubleClick;
00352
00353 int prevMouseX, prevMouseY;
00354 bool scrollingSelf;
00355 int layoutTimerId;
00356 QKeyEvent* postponed_autorepeat;
00357
00358 int repaintTimerId;
00359 int scrollTimerId;
00360 int scrollTiming;
00361 int scrollBy;
00362 ScrollDirection scrollDirection :2;
00363 bool scrollSuspended :1;
00364 bool scrollSuspendPreActivate :1;
00365 bool complete :1;
00366 bool firstRelayout :1;
00367 bool layoutSchedulingEnabled :1;
00368 bool needsFullRepaint :1;
00369 bool painting :1;
00370 bool possibleTripleClick :1;
00371 bool dirtyLayout :1;
00372 bool m_dialogsAllowed :1;
00373 QRegion updateRegion;
00374 KHTMLToolTip *tooltip;
00375 QPtrDict<QWidget> visibleWidgets;
00376 #ifndef KHTML_NO_CARET
00377 CaretViewContext *m_caretViewContext;
00378 EditorContext *m_editorContext;
00379 #endif // KHTML_NO_CARET
00380 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00381 QString findString;
00382 QTimer timer;
00383 bool findLinksOnly;
00384 bool typeAheadActivated;
00385 #endif // KHTML_NO_TYPE_AHEAD_FIND
00386 bool accessKeysEnabled;
00387 bool accessKeysActivated;
00388 bool accessKeysPreActivate;
00389 CompletedState emitCompletedAfterRepaint;
00390
00391 QWidget* cursor_icon_widget;
00392
00393
00394 int m_mouseScroll_byX : 4;
00395 int m_mouseScroll_byY : 4;
00396 QTimer *m_mouseScrollTimer;
00397 QWidget *m_mouseScrollIndicator;
00398 };
00399
00400 #ifndef QT_NO_TOOLTIP
00401
00411 static bool findImageMapRect(HTMLImageElementImpl *img, const QPoint &scrollOfs,
00412 const QPoint &p, QRect &r, QString &s)
00413 {
00414 HTMLMapElementImpl* map;
00415 if (img && img->getDocument()->isHTMLDocument() &&
00416 (map = static_cast<HTMLDocumentImpl*>(img->getDocument())->getMap(img->imageMap()))) {
00417 RenderObject::NodeInfo info(true, false);
00418 RenderObject *rend = img->renderer();
00419 int ax, ay;
00420 if (!rend || !rend->absolutePosition(ax, ay))
00421 return false;
00422
00423 bool inside = map->mapMouseEvent(p.x() - ax + scrollOfs.x(),
00424 p.y() - ay + scrollOfs.y(), rend->contentWidth(),
00425 rend->contentHeight(), info);
00426 if (inside && info.URLElement()) {
00427 HTMLAreaElementImpl *area = static_cast<HTMLAreaElementImpl *>(info.URLElement());
00428 Q_ASSERT(area->id() == ID_AREA);
00429 s = area->getAttribute(ATTR_TITLE).string();
00430 QRegion reg = area->cachedRegion();
00431 if (!s.isEmpty() && !reg.isEmpty()) {
00432 r = reg.boundingRect();
00433 r.moveBy(ax, ay);
00434 return true;
00435 }
00436 }
00437 }
00438 return false;
00439 }
00440
00441 void KHTMLToolTip::maybeTip(const QPoint& p)
00442 {
00443 DOM::NodeImpl *node = m_viewprivate->underMouseNonShared;
00444 QRect region;
00445 while ( node ) {
00446 if ( node->isElementNode() ) {
00447 DOM::ElementImpl *e = static_cast<DOM::ElementImpl*>( node );
00448 QRect r;
00449 QString s;
00450 bool found = false;
00451
00452
00453 if (e->id() == ID_IMG && !e->getAttribute( ATTR_USEMAP ).isEmpty()) {
00454 found = findImageMapRect(static_cast<HTMLImageElementImpl *>(e),
00455 m_view->viewportToContents(QPoint(0, 0)), p, r, s);
00456 }
00457 if (!found) {
00458 s = e->getAttribute( ATTR_TITLE ).string();
00459 r = node->getRect();
00460 }
00461 region |= QRect( m_view->contentsToViewport( r.topLeft() ), r.size() );
00462 if ( !s.isEmpty() ) {
00463 tip( region, QStyleSheet::convertFromPlainText( s, QStyleSheetItem::WhiteSpaceNormal ) );
00464 break;
00465 }
00466 }
00467 node = node->parentNode();
00468 }
00469 }
00470 #endif
00471
00472 KHTMLView::KHTMLView( KHTMLPart *part, QWidget *parent, const char *name)
00473 : QScrollView( parent, name, WResizeNoErase | WRepaintNoErase )
00474 {
00475 m_medium = "screen";
00476
00477 m_part = part;
00478 d = new KHTMLViewPrivate;
00479 QScrollView::setVScrollBarMode(d->vmode);
00480 QScrollView::setHScrollBarMode(d->hmode);
00481 connect(kapp, SIGNAL(kdisplayPaletteChanged()), this, SLOT(slotPaletteChanged()));
00482 connect(this, SIGNAL(contentsMoving(int, int)), this, SLOT(slotScrollBarMoved()));
00483
00484
00485 enableClipper(true);
00486
00487 static_cast<KHTMLView *>(static_cast<QWidget *>(viewport()))->setWFlags(WPaintUnclipped);
00488
00489 setResizePolicy(Manual);
00490 viewport()->setMouseTracking(true);
00491 viewport()->setBackgroundMode(NoBackground);
00492
00493 KImageIO::registerFormats();
00494
00495 #ifndef QT_NO_TOOLTIP
00496 d->tooltip = new KHTMLToolTip( this, d );
00497 #endif
00498
00499 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00500 connect(&d->timer, SIGNAL(timeout()), this, SLOT(findTimeout()));
00501 #endif // KHTML_NO_TYPE_AHEAD_FIND
00502
00503 init();
00504
00505 viewport()->show();
00506 }
00507
00508 KHTMLView::~KHTMLView()
00509 {
00510 closeChildDialogs();
00511 if (m_part)
00512 {
00513
00514
00515 DOM::DocumentImpl *doc = m_part->xmlDocImpl();
00516 if (doc)
00517 doc->detach();
00518 }
00519 delete d; d = 0;
00520 }
00521
00522 void KHTMLView::init()
00523 {
00524 if(!d->paintBuffer) d->paintBuffer = new QPixmap(PAINT_BUFFER_HEIGHT, PAINT_BUFFER_HEIGHT);
00525 if(!d->vertPaintBuffer)
00526 d->vertPaintBuffer = new QPixmap(10, PAINT_BUFFER_HEIGHT);
00527 if(!d->tp) d->tp = new QPainter();
00528
00529 setFocusPolicy(QWidget::StrongFocus);
00530 viewport()->setFocusProxy(this);
00531
00532 _marginWidth = -1;
00533 _marginHeight = -1;
00534 _width = 0;
00535 _height = 0;
00536
00537 installEventFilter(this);
00538
00539 setAcceptDrops(true);
00540 QSize s = viewportSize(4095, 4095);
00541 resizeContents(s.width(), s.height());
00542 }
00543
00544 void KHTMLView::clear()
00545 {
00546
00547 setStaticBackground(true);
00548 #ifndef KHTML_NO_CARET
00549 if (!m_part->isCaretMode() && !m_part->isEditable()) caretOff();
00550 #endif
00551
00552 #ifndef KHTML_NO_TYPE_AHEAD_FIND
00553 if( d->typeAheadActivated )
00554 findTimeout();
00555 #endif
00556 if (d->accessKeysEnabled && d->accessKeysActivated)
00557 accessKeysTimeout();
00558 viewport()->unsetCursor();
00559 if ( d->cursor_icon_widget )
00560 d->cursor_icon_widget->hide();
00561 d->reset();
00562 killTimers();
00563 emit cleared();
00564
00565 QScrollView::setHScrollBarMode(d->hmode);
00566 QScrollView::setVScrollBarMode(d->vmode);
00567 verticalScrollBar()->setEnabled( false );
00568 horizontalScrollBar()->setEnabled( false );
00569 }
00570
00571 void KHTMLView::hideEvent(QHideEvent* e)
00572 {
00573 QScrollView::hideEvent(e);
00574 }
00575
00576 void KHTMLView::showEvent(QShowEvent* e)
00577 {
00578 QScrollView::showEvent(e);
00579 }
00580
00581 void KHTMLView::resizeEvent (QResizeEvent* e)
00582 {
00583 int dw = e->oldSize().width() - e->size().width();
00584 int dh = e->oldSize().height() - e->size().height();
00585
00586
00587
00588 dw = dw>0 ? kMax(0, contentsWidth()-dw) : contentsWidth();
00589 dh = dh>0 ? kMax(0, contentsHeight()-dh) : contentsHeight();
00590
00591 resizeContents(dw, dh);
00592
00593 QScrollView::resizeEvent(e);
00594
00595 if ( m_part && m_part->xmlDocImpl() )
00596 m_part->xmlDocImpl()->dispatchWindowEvent( EventImpl::RESIZE_EVENT, false, false );
00597 }
00598
00599 void KHTMLView::viewportResizeEvent (QResizeEvent* e)
00600 {
00601 QScrollView::viewportResizeEvent(e);
00602
00603
00604
00605
00606 if (d->layoutSchedulingEnabled)
00607 layout();
00608 #ifndef KHTML_NO_CARET
00609 else {
00610 hideCaret();
00611 recalcAndStoreCaretPos();
00612 showCaret();
00613 }
00614 #endif
00615
00616 KApplication::sendPostedEvents(viewport(), QEvent::Paint);
00617 }
00618
00619
00620 void KHTMLView::drawContents( QPainter*)
00621 {
00622 }
00623
00624 void KHTMLView::drawContents( QPainter *p, int ex, int ey, int ew, int eh )
00625 {
00626 #ifdef DEBUG_PIXEL
00627
00628 if ( d->timer.elapsed() > 5000 ) {
00629 qDebug( "drawed %d pixels in %d repaints the last %d milliseconds",
00630 d->pixelbooth, d->repaintbooth, d->timer.elapsed() );
00631 d->timer.restart();
00632 d->pixelbooth = 0;
00633 d->repaintbooth = 0;
00634 }
00635 d->pixelbooth += ew*eh;
00636 d->repaintbooth++;
00637 #endif
00638
00639
00640 if(!m_part || !m_part->xmlDocImpl() || !m_part->xmlDocImpl()->renderer()) {
00641 p->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00642 return;
00643 } else if ( d->complete && static_cast<RenderCanvas*>(m_part->xmlDocImpl()->renderer())->needsLayout() ) {
00644
00645 unscheduleRelayout();
00646 layout();
00647 }
00648
00649 if (d->painting) {
00650 kdDebug( 6000 ) << "WARNING: drawContents reentered! " << endl;
00651 return;
00652 }
00653 d->painting = true;
00654
00655 QPoint pt = contentsToViewport(QPoint(ex, ey));
00656 QRegion cr = QRect(pt.x(), pt.y(), ew, eh);
00657
00658
00659 for (QPtrDictIterator<QWidget> it(d->visibleWidgets); it.current(); ++it) {
00660 QWidget *w = it.current();
00661 RenderWidget* rw = static_cast<RenderWidget*>( it.currentKey() );
00662 if (w && rw && !rw->isKHTMLWidget()) {
00663 int x, y;
00664 rw->absolutePosition(x, y);
00665 contentsToViewport(x, y, x, y);
00666 int pbx = rw->borderLeft()+rw->paddingLeft();
00667 int pby = rw->borderTop()+rw->paddingTop();
00668 QRect g = QRect(x+pbx, y+pby,
00669 rw->width()-pbx-rw->borderRight()-rw->paddingRight(),
00670 rw->height()-pby-rw->borderBottom()-rw->paddingBottom());
00671 if ( !rw->isFrame() && ((g.top() > pt.y()+eh) || (g.bottom() <= pt.y()) ||
00672 (g.right() <= pt.x()) || (g.left() > pt.x()+ew) ))
00673 continue;
00674 RenderLayer* rl = rw->needsMask() ? rw->enclosingStackingContext() : 0;
00675 QRegion mask = rl ? rl->getMask() : QRegion();
00676 if (!mask.isNull()) {
00677 QPoint o(0,0);
00678 o = contentsToViewport(o);
00679 mask.translate(o.x(),o.y());
00680 mask = mask.intersect( QRect(g.x(),g.y(),g.width(),g.height()) );
00681 cr -= mask;
00682 } else {
00683 cr -= g;
00684 }
00685 }
00686 }
00687
00688 #if 0
00689
00690
00691 if (cr.isEmpty()) {
00692 d->painting = false;
00693 return;
00694 }
00695 #endif
00696
00697 #ifndef DEBUG_NO_PAINT_BUFFER
00698 p->setClipRegion(cr);
00699
00700 if (eh > PAINT_BUFFER_HEIGHT && ew <= 10) {
00701 if ( d->vertPaintBuffer->height() < visibleHeight() )
00702 d->vertPaintBuffer->resize(10, visibleHeight());
00703 d->tp->begin(d->vertPaintBuffer);
00704 d->tp->translate(-ex, -ey);
00705 d->tp->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00706 m_part->xmlDocImpl()->renderer()->layer()->paint(d->tp, QRect(ex, ey, ew, eh));
00707 d->tp->end();
00708 p->drawPixmap(ex, ey, *d->vertPaintBuffer, 0, 0, ew, eh);
00709 }
00710 else {
00711 if ( d->paintBuffer->width() < visibleWidth() )
00712 d->paintBuffer->resize(visibleWidth(),PAINT_BUFFER_HEIGHT);
00713
00714 int py=0;
00715 while (py < eh) {
00716 int ph = eh-py < PAINT_BUFFER_HEIGHT ? eh-py : PAINT_BUFFER_HEIGHT;
00717 d->tp->begin(d->paintBuffer);
00718 d->tp->translate(-ex, -ey-py);
00719 d->tp->fillRect(ex, ey+py, ew, ph, palette().active().brush(QColorGroup::Base));
00720 m_part->xmlDocImpl()->renderer()->layer()->paint(d->tp, QRect(ex, ey+py, ew, ph));
00721 d->tp->end();
00722
00723 p->drawPixmap(ex, ey+py, *d->paintBuffer, 0, 0, ew, ph);
00724 py += PAINT_BUFFER_HEIGHT;
00725 }
00726 }
00727 #else // !DEBUG_NO_PAINT_BUFFER
00728 static int cnt=0;
00729 ex = contentsX(); ey = contentsY();
00730 ew = visibleWidth(); eh = visibleHeight();
00731 QRect pr(ex,ey,ew,eh);
00732 kdDebug() << "[" << ++cnt << "]" << " clip region: " << pr << endl;
00733
00734
00735 p->fillRect(ex, ey, ew, eh, palette().active().brush(QColorGroup::Base));
00736 m_part->xmlDocImpl()->renderer()->layer()->paint(p, pr);
00737 #endif // DEBUG_NO_PAINT_BUFFER
00738
00739 #ifndef KHTML_NO_CARET
00740 if (d->m_caretViewContext && d->m_caretViewContext->visible) {
00741 QRect pos(d->m_caretViewContext->x, d->m_caretViewContext->y,
00742 d->m_caretViewContext->width, d->m_caretViewContext->height);
00743 if (pos.intersects(QRect(ex, ey, ew, eh))) {
00744 p->setRasterOp(XorROP);
00745 p->setPen(white);
00746 if (pos.width() == 1)
00747 p->drawLine(pos.topLeft(), pos.bottomRight());
00748 else {
00749 p->fillRect(pos, white);
00750 }
00751 }
00752 }
00753 #endif // KHTML_NO_CARET
00754
00755
00756
00757
00758 khtml::DrawContentsEvent event( p, ex, ey, ew, eh );
00759 QApplication::sendEvent( m_part, &event );
00760
00761 d->painting = false;
00762 }
00763
00764 void KHTMLView::setMarginWidth(int w)
00765 {
00766
00767 _marginWidth = w;
00768 }
00769
00770 void KHTMLView::setMarginHeight(int h)
00771 {
00772
00773 _marginHeight = h;
00774 }
00775
00776 void KHTMLView::layout()
00777 {
00778 if( m_part && m_part->xmlDocImpl() ) {
00779 DOM::DocumentImpl *document = m_part->xmlDocImpl();
00780
00781 khtml::RenderCanvas* canvas = static_cast<khtml::RenderCanvas *>(document->renderer());
00782 if ( !canvas ) return;
00783
00784 d->layoutSchedulingEnabled=false;
00785
00786
00787 RenderObject * ref = 0;
00788 RenderObject* root = document->documentElement() ? document->documentElement()->renderer() : 0;
00789
00790 if (document->isHTMLDocument()) {
00791 NodeImpl *body = static_cast<HTMLDocumentImpl*>(document)->body();
00792 if(body && body->renderer() && body->id() == ID_FRAMESET) {
00793 QScrollView::setVScrollBarMode(AlwaysOff);
00794 QScrollView::setHScrollBarMode(AlwaysOff);
00795 body->renderer()->setNeedsLayout(true);
00796
00797
00798
00799
00800 }
00801 else {
00802 if (!d->tooltip)
00803 d->tooltip = new KHTMLToolTip( this, d );
00804
00805 if (root)
00806 ref = (!body || root->style()->hidesOverflow()) ? root : body->renderer();
00807 }
00808 } else {
00809 ref = root;
00810 }
00811
00812 if (ref) {
00813 if( ref->style()->overflow() == OHIDDEN ) {
00814 if (d->vmode == Auto) QScrollView::setVScrollBarMode(AlwaysOff);
00815 if (d->hmode == Auto) QScrollView::setHScrollBarMode(AlwaysOff);
00816 } else {
00817 if (QScrollView::vScrollBarMode() == AlwaysOff) QScrollView::setVScrollBarMode(d->vmode);
00818 if (QScrollView::hScrollBarMode() == AlwaysOff) QScrollView::setHScrollBarMode(d->hmode);
00819 }
00820 }
00821 d->needsFullRepaint = d->firstRelayout;
00822 if (_height != visibleHeight() || _width != visibleWidth()) {;
00823 d->needsFullRepaint = true;
00824 _height = visibleHeight();
00825 _width = visibleWidth();
00826 }
00827
00828
00829 canvas->layout();
00830
00831 emit finishedLayout();
00832 if (d->firstRelayout) {
00833
00834
00835 d->firstRelayout = false;
00836 verticalScrollBar()->setEnabled( true );
00837 horizontalScrollBar()->setEnabled( true );
00838 }
00839 #if 0
00840 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__");
00841 if (listitem) kdDebug(6000) << "after layout, before repaint" << endl;
00842 if (listitem) dumpLineBoxes(static_cast<RenderFlow *>(listitem->renderer()));
00843 #endif
00844 #ifndef KHTML_NO_CARET
00845 hideCaret();
00846 if ((m_part->isCaretMode() || m_part->isEditable())
00847 && !d->complete && d->m_caretViewContext
00848 && !d->m_caretViewContext->caretMoved) {
00849 initCaret();
00850 } else {
00851 recalcAndStoreCaretPos();
00852 showCaret();
00853 }
00854 #endif
00855 if (d->accessKeysEnabled && d->accessKeysActivated) {
00856 emit hideAccessKeys();
00857 displayAccessKeys();
00858 }
00859
00860 }
00861 else
00862 _width = visibleWidth();
00863
00864 killTimer(d->layoutTimerId);
00865 d->layoutTimerId = 0;
00866 d->layoutSchedulingEnabled=true;
00867 }
00868
00869 void KHTMLView::closeChildDialogs()
00870 {
00871 QObjectList *dlgs = queryList("QDialog");
00872 for (QObject *dlg = dlgs->first(); dlg; dlg = dlgs->next())
00873 {
00874 KDialogBase* dlgbase = dynamic_cast<KDialogBase *>( dlg );
00875 if ( dlgbase ) {
00876 if ( dlgbase->testWFlags( WShowModal ) ) {
00877 kdDebug(6000) << "closeChildDialogs: closing dialog " << dlgbase << endl;
00878
00879
00880 dlgbase->cancel();
00881 }
00882 }
00883 else
00884 {
00885 kdWarning() << "closeChildDialogs: not a KDialogBase! Don't use QDialogs in KDE! " << static_cast<QWidget*>(dlg) << endl;
00886 static_cast<QWidget*>(dlg)->hide();
00887 }
00888 }
00889 delete dlgs;
00890 d->m_dialogsAllowed = false;
00891 }
00892
00893 bool KHTMLView::dialogsAllowed() {
00894 bool allowed = d->m_dialogsAllowed;
00895 KHTMLPart* p = m_part->parentPart();
00896 if (p && p->view())
00897 allowed &= p->view()->dialogsAllowed();
00898 return allowed;
00899 }
00900
00901 void KHTMLView::closeEvent( QCloseEvent* ev )
00902 {
00903 closeChildDialogs();
00904 QScrollView::closeEvent( ev );
00905 }
00906
00907
00908
00909
00911
00912 void KHTMLView::viewportMousePressEvent( QMouseEvent *_mouse )
00913 {
00914 if (!m_part->xmlDocImpl()) return;
00915 if (d->possibleTripleClick && ( _mouse->button() & MouseButtonMask ) == LeftButton)
00916 {
00917 viewportMouseDoubleClickEvent( _mouse );
00918 return;
00919 }
00920
00921 int xm, ym;
00922 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
00923
00924
00925 d->isDoubleClick = false;
00926
00927 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MousePress );
00928 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
00929
00930
00931
00932 if ( (_mouse->button() == MidButton) &&
00933 !m_part->d->m_bOpenMiddleClick && !d->m_mouseScrollTimer &&
00934 mev.url.isNull() && (mev.innerNode.elementId() != ID_INPUT) ) {
00935 QPoint point = mapFromGlobal( _mouse->globalPos() );
00936
00937 d->m_mouseScroll_byX = 0;
00938 d->m_mouseScroll_byY = 0;
00939
00940 d->m_mouseScrollTimer = new QTimer( this );
00941 connect( d->m_mouseScrollTimer, SIGNAL(timeout()), this, SLOT(slotMouseScrollTimer()) );
00942
00943 if ( !d->m_mouseScrollIndicator ) {
00944 QPixmap pixmap, icon;
00945 pixmap.resize( 48, 48 );
00946 pixmap.fill( QColor( qRgba( 127, 127, 127, 127 ) ) );
00947
00948 QPainter p( &pixmap );
00949 icon = KGlobal::iconLoader()->loadIcon( "1uparrow", KIcon::Small );
00950 p.drawPixmap( 16, 0, icon );
00951 icon = KGlobal::iconLoader()->loadIcon( "1leftarrow", KIcon::Small );
00952 p.drawPixmap( 0, 16, icon );
00953 icon = KGlobal::iconLoader()->loadIcon( "1downarrow", KIcon::Small );
00954 p.drawPixmap( 16, 32,icon );
00955 icon = KGlobal::iconLoader()->loadIcon( "1rightarrow", KIcon::Small );
00956 p.drawPixmap( 32, 16, icon );
00957 p.drawEllipse( 23, 23, 2, 2 );
00958
00959 d->m_mouseScrollIndicator = new QWidget( this, 0 );
00960 d->m_mouseScrollIndicator->setFixedSize( 48, 48 );
00961 d->m_mouseScrollIndicator->setPaletteBackgroundPixmap( pixmap );
00962 }
00963 d->m_mouseScrollIndicator->move( point.x()-24, point.y()-24 );
00964
00965 bool hasHorBar = visibleWidth() < contentsWidth();
00966 bool hasVerBar = visibleHeight() < contentsHeight();
00967
00968 KConfig *config = KGlobal::config();
00969 KConfigGroupSaver saver( config, "HTML Settings" );
00970 if ( config->readBoolEntry( "ShowMouseScrollIndicator", true ) ) {
00971 d->m_mouseScrollIndicator->show();
00972 d->m_mouseScrollIndicator->unsetCursor();
00973
00974 QBitmap mask = d->m_mouseScrollIndicator->paletteBackgroundPixmap()->createHeuristicMask( true );
00975
00976 if ( hasHorBar && !hasVerBar ) {
00977 QBitmap bm( 16, 16, true );
00978 bitBlt( &mask, 16, 0, &bm, 0, 0, -1, -1 );
00979 bitBlt( &mask, 16, 32, &bm, 0, 0, -1, -1 );
00980 d->m_mouseScrollIndicator->setCursor( KCursor::SizeHorCursor );
00981 }
00982 else if ( !hasHorBar && hasVerBar ) {
00983 QBitmap bm( 16, 16, true );
00984 bitBlt( &mask, 0, 16, &bm, 0, 0, -1, -1 );
00985 bitBlt( &mask, 32, 16, &bm, 0, 0, -1, -1 );
00986 d->m_mouseScrollIndicator->setCursor( KCursor::SizeVerCursor );
00987 }
00988 else
00989 d->m_mouseScrollIndicator->setCursor( KCursor::SizeAllCursor );
00990
00991 d->m_mouseScrollIndicator->setMask( mask );
00992 }
00993 else {
00994 if ( hasHorBar && !hasVerBar )
00995 viewport()->setCursor( KCursor::SizeHorCursor );
00996 else if ( !hasHorBar && hasVerBar )
00997 viewport()->setCursor( KCursor::SizeVerCursor );
00998 else
00999 viewport()->setCursor( KCursor::SizeAllCursor );
01000 }
01001
01002 return;
01003 }
01004 else if ( d->m_mouseScrollTimer ) {
01005 delete d->m_mouseScrollTimer;
01006 d->m_mouseScrollTimer = 0;
01007
01008 if ( d->m_mouseScrollIndicator )
01009 d->m_mouseScrollIndicator->hide();
01010 }
01011
01012 d->clickCount = 1;
01013 d->clickX = xm;
01014 d->clickY = ym;
01015
01016 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEDOWN_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01017 d->clickCount,_mouse,true,DOM::NodeImpl::MousePress);
01018
01019 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01020 if (r && r->isWidget())
01021 _mouse->ignore();
01022
01023 if (!swallowEvent) {
01024 emit m_part->nodeActivated(mev.innerNode);
01025
01026 khtml::MousePressEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01027 QApplication::sendEvent( m_part, &event );
01028
01029 }
01030 }
01031
01032 void KHTMLView::viewportMouseDoubleClickEvent( QMouseEvent *_mouse )
01033 {
01034 if(!m_part->xmlDocImpl()) return;
01035
01036 int xm, ym;
01037 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01038
01039 kdDebug( 6000 ) << "mouseDblClickEvent: x=" << xm << ", y=" << ym << endl;
01040
01041 d->isDoubleClick = true;
01042
01043 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseDblClick );
01044 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
01045
01046
01047
01048 if (d->clickCount > 0 &&
01049 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= QApplication::startDragDistance())
01050 d->clickCount++;
01051 else {
01052 d->clickCount = 1;
01053 d->clickX = xm;
01054 d->clickY = ym;
01055 }
01056 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEDOWN_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01057 d->clickCount,_mouse,true,DOM::NodeImpl::MouseDblClick);
01058
01059 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01060 if (r && r->isWidget())
01061 _mouse->ignore();
01062
01063 if (!swallowEvent) {
01064 khtml::MouseDoubleClickEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode, d->clickCount );
01065 QApplication::sendEvent( m_part, &event );
01066 }
01067
01068 d->possibleTripleClick=true;
01069 QTimer::singleShot(QApplication::doubleClickInterval(),this,SLOT(tripleClickTimeout()));
01070 }
01071
01072 void KHTMLView::tripleClickTimeout()
01073 {
01074 d->possibleTripleClick = false;
01075 d->clickCount = 0;
01076 }
01077
01078 static inline void forwardPeripheralEvent(khtml::RenderWidget* r, QMouseEvent* me, int x, int y)
01079 {
01080 int absx = 0;
01081 int absy = 0;
01082 r->absolutePosition(absx, absy);
01083 QPoint p(x-absx, y-absy);
01084 QMouseEvent fw(me->type(), p, me->button(), me->state());
01085 QWidget* w = r->widget();
01086 if(w)
01087 static_cast<khtml::RenderWidget::EventPropagator*>(w)->sendEvent(&fw);
01088 }
01089
01090 void KHTMLView::viewportMouseMoveEvent( QMouseEvent * _mouse )
01091 {
01092 if ( d->m_mouseScrollTimer ) {
01093 QPoint point = mapFromGlobal( _mouse->globalPos() );
01094
01095 int deltaX = point.x() - d->m_mouseScrollIndicator->x() - 24;
01096 int deltaY = point.y() - d->m_mouseScrollIndicator->y() - 24;
01097
01098 (deltaX > 0) ? d->m_mouseScroll_byX = 1 : d->m_mouseScroll_byX = -1;
01099 (deltaY > 0) ? d->m_mouseScroll_byY = 1 : d->m_mouseScroll_byY = -1;
01100
01101 int adX = abs( deltaX );
01102 int adY = abs( deltaY );
01103
01104 if (adX > 100) d->m_mouseScroll_byX *= 7;
01105 else if (adX > 75) d->m_mouseScroll_byX *= 4;
01106 else if (adX > 50) d->m_mouseScroll_byX *= 2;
01107 else if (adX > 25) d->m_mouseScroll_byX *= 1;
01108 else d->m_mouseScroll_byX = 0;
01109
01110 if (adY > 100) d->m_mouseScroll_byY *= 7;
01111 else if (adY > 75) d->m_mouseScroll_byY *= 4;
01112 else if (adY > 50) d->m_mouseScroll_byY *= 2;
01113 else if (adY > 25) d->m_mouseScroll_byY *= 1;
01114 else d->m_mouseScroll_byY = 0;
01115
01116 if (d->m_mouseScroll_byX == 0 && d->m_mouseScroll_byY == 0) {
01117 d->m_mouseScrollTimer->stop();
01118 }
01119 else if (!d->m_mouseScrollTimer->isActive()) {
01120 d->m_mouseScrollTimer->changeInterval( 20 );
01121 }
01122 }
01123
01124 if(!m_part->xmlDocImpl()) return;
01125
01126 int xm, ym;
01127 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01128
01129 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseMove );
01130
01131 m_part->xmlDocImpl()->prepareMouseEvent( _mouse->state() & Qt::MouseButtonMask , xm, ym, &mev );
01132
01133
01134
01135
01136
01137 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEMOVE_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),false,
01138 0,_mouse,true,DOM::NodeImpl::MouseMove);
01139
01140 if (d->clickCount > 0 &&
01141 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() > QApplication::startDragDistance()) {
01142 d->clickCount = 0;
01143 }
01144
01145
01146 m_part->executeScheduledScript();
01147
01148 DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode();
01149 if (fn && fn != mev.innerNode.handle() &&
01150 fn->renderer() && fn->renderer()->isWidget()) {
01151 forwardPeripheralEvent(static_cast<khtml::RenderWidget*>(fn->renderer()), _mouse, xm, ym);
01152 }
01153
01154 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01155 khtml::RenderStyle* style = (r && r->style()) ? r->style() : 0;
01156 QCursor c;
01157 bool mailtoCursor = false;
01158 switch ( style ? style->cursor() : CURSOR_AUTO) {
01159 case CURSOR_AUTO:
01160 if ( r && r->isText() )
01161 c = KCursor::ibeamCursor();
01162 if ( mev.url.length() && m_part->settings()->changeCursor() ) {
01163 c = m_part->urlCursor();
01164 if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0)
01165 mailtoCursor = true;
01166 }
01167
01168 if (r && r->isFrameSet() && !static_cast<RenderFrameSet*>(r)->noResize())
01169 c = QCursor(static_cast<RenderFrameSet*>(r)->cursorShape());
01170
01171 break;
01172 case CURSOR_CROSS:
01173 c = KCursor::crossCursor();
01174 break;
01175 case CURSOR_POINTER:
01176 c = m_part->urlCursor();
01177 if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0)
01178 mailtoCursor = true;
01179 break;
01180 case CURSOR_PROGRESS:
01181 c = KCursor::workingCursor();
01182 break;
01183 case CURSOR_MOVE:
01184 c = KCursor::sizeAllCursor();
01185 break;
01186 case CURSOR_E_RESIZE:
01187 case CURSOR_W_RESIZE:
01188 c = KCursor::sizeHorCursor();
01189 break;
01190 case CURSOR_N_RESIZE:
01191 case CURSOR_S_RESIZE:
01192 c = KCursor::sizeVerCursor();
01193 break;
01194 case CURSOR_NE_RESIZE:
01195 case CURSOR_SW_RESIZE:
01196 c = KCursor::sizeBDiagCursor();
01197 break;
01198 case CURSOR_NW_RESIZE:
01199 case CURSOR_SE_RESIZE:
01200 c = KCursor::sizeFDiagCursor();
01201 break;
01202 case CURSOR_TEXT:
01203 c = KCursor::ibeamCursor();
01204 break;
01205 case CURSOR_WAIT:
01206 c = KCursor::waitCursor();
01207 break;
01208 case CURSOR_HELP:
01209 c = KCursor::whatsThisCursor();
01210 break;
01211 case CURSOR_DEFAULT:
01212 break;
01213 }
01214
01215 if ( viewport()->cursor().handle() != c.handle() ) {
01216 if( c.handle() == KCursor::arrowCursor().handle()) {
01217 for (KHTMLPart* p = m_part; p; p = p->parentPart())
01218 p->view()->viewport()->unsetCursor();
01219 }
01220 else {
01221 viewport()->setCursor( c );
01222 }
01223 }
01224
01225 if ( mailtoCursor && isVisible() && hasFocus() ) {
01226 #ifdef Q_WS_X11
01227 if( !d->cursor_icon_widget ) {
01228 QPixmap icon_pixmap = KGlobal::iconLoader()->loadIcon( "mail_generic", KIcon::Small, 0, KIcon::DefaultState, 0, true );
01229 d->cursor_icon_widget = new QWidget( NULL, NULL, WX11BypassWM );
01230 XSetWindowAttributes attr;
01231 attr.save_under = True;
01232 XChangeWindowAttributes( qt_xdisplay(), d->cursor_icon_widget->winId(), CWSaveUnder, &attr );
01233 d->cursor_icon_widget->resize( icon_pixmap.width(), icon_pixmap.height());
01234 if( icon_pixmap.mask() )
01235 d->cursor_icon_widget->setMask( *icon_pixmap.mask());
01236 else
01237 d->cursor_icon_widget->clearMask();
01238 d->cursor_icon_widget->setBackgroundPixmap( icon_pixmap );
01239 d->cursor_icon_widget->erase();
01240 }
01241 QPoint c_pos = QCursor::pos();
01242 d->cursor_icon_widget->move( c_pos.x() + 15, c_pos.y() + 15 );
01243 XRaiseWindow( qt_xdisplay(), d->cursor_icon_widget->winId());
01244 QApplication::flushX();
01245 d->cursor_icon_widget->show();
01246 #endif
01247 }
01248 else if ( d->cursor_icon_widget )
01249 d->cursor_icon_widget->hide();
01250
01251 if (r && r->isWidget()) {
01252 _mouse->ignore();
01253 }
01254
01255
01256 d->prevMouseX = xm;
01257 d->prevMouseY = ym;
01258
01259 if (!swallowEvent) {
01260 khtml::MouseMoveEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01261 QApplication::sendEvent( m_part, &event );
01262 }
01263 }
01264
01265 void KHTMLView::viewportMouseReleaseEvent( QMouseEvent * _mouse )
01266 {
01267 bool swallowEvent = false;
01268 int xm, ym;
01269 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01270 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseRelease );
01271
01272 if ( m_part->xmlDocImpl() )
01273 {
01274 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
01275
01276 swallowEvent = dispatchMouseEvent(EventImpl::MOUSEUP_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01277 d->clickCount,_mouse,false,DOM::NodeImpl::MouseRelease);
01278
01279 if (d->clickCount > 0 &&
01280 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= QApplication::startDragDistance()) {
01281 QMouseEvent me(d->isDoubleClick ? QEvent::MouseButtonDblClick : QEvent::MouseButtonRelease,
01282 _mouse->pos(), _mouse->button(), _mouse->state());
01283 dispatchMouseEvent(EventImpl::CLICK_EVENT, mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01284 d->clickCount, &me, true, DOM::NodeImpl::MouseRelease);
01285 }
01286
01287 DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode();
01288 if (fn && fn != mev.innerNode.handle() &&
01289 fn->renderer() && fn->renderer()->isWidget() &&
01290 _mouse->button() != MidButton) {
01291 forwardPeripheralEvent(static_cast<khtml::RenderWidget*>(fn->renderer()), _mouse, xm, ym);
01292 }
01293
01294 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01295 if (r && r->isWidget())
01296 _mouse->ignore();
01297 }
01298
01299 if (!swallowEvent) {
01300 khtml::MouseReleaseEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01301 QApplication::sendEvent( m_part, &event );
01302 }
01303 }
01304
01305
01306 bool KHTMLView::dispatchKeyEvent( QKeyEvent *_ke )
01307 {
01308 if (!m_part->xmlDocImpl())
01309 return false;
01310
01311
01312
01313
01314
01315
01316
01317
01318
01319
01320
01321
01322
01323
01324
01325
01326
01327
01328
01329
01330 if( _ke == d->postponed_autorepeat )
01331 {
01332 return false;
01333 }
01334
01335 if( _ke->type() == QEvent::KeyPress )
01336 {
01337 if( !_ke->isAutoRepeat())
01338 {
01339 bool ret = dispatchKeyEventHelper( _ke, false );
01340
01341 if( !ret && dispatchKeyEventHelper( _ke, true ))
01342 ret = true;
01343 return ret;
01344 }
01345 else
01346 {
01347 bool ret = dispatchKeyEventHelper( _ke, true );
01348 if( !ret && d->postponed_autorepeat )
01349 keyPressEvent( d->postponed_autorepeat );
01350 delete d->postponed_autorepeat;
01351 d->postponed_autorepeat = NULL;
01352 return ret;
01353 }
01354 }
01355 else
01356 {
01357
01358
01359 if ( d->postponed_autorepeat ) {
01360 delete d->postponed_autorepeat;
01361 d->postponed_autorepeat = 0;
01362 }
01363
01364 if( !_ke->isAutoRepeat()) {
01365 return dispatchKeyEventHelper( _ke, false );
01366 }
01367 else
01368 {
01369 d->postponed_autorepeat = new QKeyEvent( _ke->type(), _ke->key(), _ke->ascii(), _ke->state(),
01370 _ke->text(), _ke->isAutoRepeat(), _ke->count());
01371 if( _ke->isAccepted())
01372 d->postponed_autorepeat->accept();
01373 else
01374 d->postponed_autorepeat->ignore();
01375 return true;
01376 }
01377 }
01378 }
01379
01380
01381 bool KHTMLView::dispatchKeyEventHelper( QKeyEvent *_ke, bool keypress )
01382 {
01383 DOM::NodeImpl* keyNode = m_part->xmlDocImpl()->focusNode();
01384 if (keyNode) {
01385 return keyNode->dispatchKeyEvent(_ke, keypress);
01386 } else {
01387 return m_part->xmlDocImpl()->dispatchKeyEvent(_ke, keypress);
01388 }
01389 }
01390
01391 void KHTMLView::keyPressEvent( QKeyEvent *_ke )
01392 {
01393 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01394 if(d->typeAheadActivated)
01395 {
01396
01397 if(_ke->key() == Key_BackSpace)
01398 {
01399 d->findString = d->findString.left(d->findString.length() - 1);
01400
01401 if(!d->findString.isEmpty())
01402 {
01403 findAhead(false);
01404 }
01405 else
01406 {
01407 findTimeout();
01408 }
01409
01410 d->timer.start(3000, true);
01411 _ke->accept();
01412 return;
01413 }
01414 else if(_ke->key() == Key_Escape)
01415 {
01416 findTimeout();
01417
01418 _ke->accept();
01419 return;
01420 }
01421 else if(_ke->key() == Key_Space || !_ke->text().stripWhiteSpace().isEmpty())
01422 {
01423 d->findString += _ke->text();
01424
01425 findAhead(true);
01426
01427 d->timer.start(3000, true);
01428 _ke->accept();
01429 return;
01430 }
01431 }
01432 #endif // KHTML_NO_TYPE_AHEAD_FIND
01433
01434 #ifndef KHTML_NO_CARET
01435 if (m_part->isEditable() || m_part->isCaretMode()
01436 || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode()
01437 && m_part->xmlDocImpl()->focusNode()->contentEditable())) {
01438 d->caretViewContext()->keyReleasePending = true;
01439 caretKeyPressEvent(_ke);
01440 return;
01441 }
01442 #endif // KHTML_NO_CARET
01443
01444
01445 if (d->accessKeysEnabled && _ke->key() == Key_Control && _ke->state()==0 && !d->accessKeysActivated)
01446 {
01447 d->accessKeysPreActivate=true;
01448 _ke->accept();
01449 return;
01450 }
01451
01452 if (_ke->key() == Key_Shift && _ke->state()==0)
01453 d->scrollSuspendPreActivate=true;
01454
01455
01456
01457
01458 if (d->accessKeysEnabled && d->accessKeysActivated)
01459 {
01460 int state = ( _ke->state() & ( ShiftButton | ControlButton | AltButton | MetaButton ));
01461 if ( state==0 || state==ShiftButton) {
01462 if (_ke->key() != Key_Shift) accessKeysTimeout();
01463 handleAccessKey( _ke );
01464 _ke->accept();
01465 return;
01466 }
01467 accessKeysTimeout();
01468 }
01469
01470 if ( dispatchKeyEvent( _ke )) {
01471
01472 _ke->accept();
01473 return;
01474 }
01475
01476 int offs = (clipper()->height() < 30) ? clipper()->height() : 30;
01477 if (_ke->state() & Qt::ShiftButton)
01478 switch(_ke->key())
01479 {
01480 case Key_Space:
01481 if ( d->vmode == QScrollView::AlwaysOff )
01482 _ke->accept();
01483 else {
01484 scrollBy( 0, -clipper()->height() + offs );
01485 if(d->scrollSuspended)
01486 d->newScrollTimer(this, 0);
01487 }
01488 break;
01489
01490 case Key_Down:
01491 case Key_J:
01492 d->adjustScroller(this, KHTMLViewPrivate::ScrollDown, KHTMLViewPrivate::ScrollUp);
01493 break;
01494
01495 case Key_Up:
01496 case Key_K:
01497 d->adjustScroller(this, KHTMLViewPrivate::ScrollUp, KHTMLViewPrivate::ScrollDown);
01498 break;
01499
01500 case Key_Left:
01501 case Key_H:
01502 d->adjustScroller(this, KHTMLViewPrivate::ScrollLeft, KHTMLViewPrivate::ScrollRight);
01503 break;
01504
01505 case Key_Right:
01506 case Key_L:
01507 d->adjustScroller(this, KHTMLViewPrivate::ScrollRight, KHTMLViewPrivate::ScrollLeft);
01508 break;
01509 }
01510 else
01511 switch ( _ke->key() )
01512 {
01513 case Key_Down:
01514 case Key_J:
01515 if ( d->vmode == QScrollView::AlwaysOff )
01516 _ke->accept();
01517 else {
01518 if (!d->scrollTimerId || d->scrollSuspended)
01519 scrollBy( 0, 10 );
01520 if (d->scrollTimerId)
01521 d->newScrollTimer(this, 0);
01522 }
01523 break;
01524
01525 case Key_Space:
01526 case Key_Next:
01527 if ( d->vmode == QScrollView::AlwaysOff )
01528 _ke->accept();
01529 else {
01530 scrollBy( 0, clipper()->height() - offs );
01531 if(d->scrollSuspended)
01532 d->newScrollTimer(this, 0);
01533 }
01534 break;
01535
01536 case Key_Up:
01537 case Key_K:
01538 if ( d->vmode == QScrollView::AlwaysOff )
01539 _ke->accept();
01540 else {
01541 if (!d->scrollTimerId || d->scrollSuspended)
01542 scrollBy( 0, -10 );
01543 if (d->scrollTimerId)
01544 d->newScrollTimer(this, 0);
01545 }
01546 break;
01547
01548 case Key_Prior:
01549 if ( d->vmode == QScrollView::AlwaysOff )
01550 _ke->accept();
01551 else {
01552 scrollBy( 0, -clipper()->height() + offs );
01553 if(d->scrollSuspended)
01554 d->newScrollTimer(this, 0);
01555 }
01556 break;
01557 case Key_Right:
01558 case Key_L:
01559 if ( d->hmode == QScrollView::AlwaysOff )
01560 _ke->accept();
01561 else {
01562 if (!d->scrollTimerId || d->scrollSuspended)
01563 scrollBy( 10, 0 );
01564 if (d->scrollTimerId)
01565 d->newScrollTimer(this, 0);
01566 }
01567 break;
01568 case Key_Left:
01569 case Key_H:
01570 if ( d->hmode == QScrollView::AlwaysOff )
01571 _ke->accept();
01572 else {
01573 if (!d->scrollTimerId || d->scrollSuspended)
01574 scrollBy( -10, 0 );
01575 if (d->scrollTimerId)
01576 d->newScrollTimer(this, 0);
01577 }
01578 break;
01579 case Key_Enter:
01580 case Key_Return:
01581
01582
01583 if (m_part->xmlDocImpl()) {
01584 NodeImpl *n = m_part->xmlDocImpl()->focusNode();
01585 if (n)
01586 n->setActive();
01587 }
01588 break;
01589 case Key_Home:
01590 if ( d->vmode == QScrollView::AlwaysOff )
01591 _ke->accept();
01592 else {
01593 setContentsPos( 0, 0 );
01594 if(d->scrollSuspended)
01595 d->newScrollTimer(this, 0);
01596 }
01597 break;
01598 case Key_End:
01599 if ( d->vmode == QScrollView::AlwaysOff )
01600 _ke->accept();
01601 else {
01602 setContentsPos( 0, contentsHeight() - visibleHeight() );
01603 if(d->scrollSuspended)
01604 d->newScrollTimer(this, 0);
01605 }
01606 break;
01607 case Key_Shift:
01608
01609 _ke->ignore();
01610 return;
01611 default:
01612 if (d->scrollTimerId)
01613 d->newScrollTimer(this, 0);
01614 _ke->ignore();
01615 return;
01616 }
01617
01618 _ke->accept();
01619 }
01620
01621 void KHTMLView::findTimeout()
01622 {
01623 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01624 d->typeAheadActivated = false;
01625 d->findString = "";
01626 m_part->setStatusBarText(i18n("Find stopped."), KHTMLPart::BarDefaultText);
01627 m_part->enableFindAheadActions( true );
01628 #endif // KHTML_NO_TYPE_AHEAD_FIND
01629 }
01630
01631 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01632 void KHTMLView::startFindAhead( bool linksOnly )
01633 {
01634 if( linksOnly )
01635 {
01636 d->findLinksOnly = true;
01637 m_part->setStatusBarText(i18n("Starting -- find links as you type"),
01638 KHTMLPart::BarDefaultText);
01639 }
01640 else
01641 {
01642 d->findLinksOnly = false;
01643 m_part->setStatusBarText(i18n("Starting -- find text as you type"),
01644 KHTMLPart::BarDefaultText);
01645 }
01646
01647 m_part->findTextBegin();
01648 d->typeAheadActivated = true;
01649
01650 m_part->enableFindAheadActions( false );
01651 d->timer.start(3000, true);
01652 }
01653
01654 void KHTMLView::findAhead(bool increase)
01655 {
01656 QString status;
01657
01658 if(d->findLinksOnly)
01659 {
01660 m_part->findText(d->findString, KHTMLPart::FindNoPopups |
01661 KHTMLPart::FindLinksOnly, this);
01662 if(m_part->findTextNext())
01663 {
01664 status = i18n("Link found: \"%1\".");
01665 }
01666 else
01667 {
01668 if(increase) KNotifyClient::beep();
01669 status = i18n("Link not found: \"%1\".");
01670 }
01671 }
01672 else
01673 {
01674 m_part->findText(d->findString, KHTMLPart::FindNoPopups, this);
01675 if(m_part->findTextNext())
01676 {
01677 status = i18n("Text found: \"%1\".");
01678 }
01679 else
01680 {
01681 if(increase) KNotifyClient::beep();
01682 status = i18n("Text not found: \"%1\".");
01683 }
01684 }
01685
01686 m_part->setStatusBarText(status.arg(d->findString.lower()),
01687 KHTMLPart::BarDefaultText);
01688 }
01689
01690 void KHTMLView::updateFindAheadTimeout()
01691 {
01692 if( d->typeAheadActivated )
01693 d->timer.start( 3000, true );
01694 }
01695
01696 #endif // KHTML_NO_TYPE_AHEAD_FIND
01697
01698 void KHTMLView::keyReleaseEvent(QKeyEvent *_ke)
01699 {
01700 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01701 if(d->typeAheadActivated) {
01702 _ke->accept();
01703 return;
01704 }
01705 #endif
01706 if (d->m_caretViewContext && d->m_caretViewContext->keyReleasePending) {
01707
01708 d->m_caretViewContext->keyReleasePending = false;
01709 return;
01710 }
01711
01712 if( d->scrollSuspendPreActivate && _ke->key() != Key_Shift )
01713 d->scrollSuspendPreActivate = false;
01714 if( _ke->key() == Key_Shift && d->scrollSuspendPreActivate && _ke->state() == Qt::ShiftButton
01715 && !(KApplication::keyboardMouseState() & Qt::ShiftButton))
01716 if (d->scrollTimerId)
01717 d->scrollSuspended = !d->scrollSuspended;
01718
01719 if (d->accessKeysEnabled)
01720 {
01721 if (d->accessKeysPreActivate && _ke->key() != Key_Control)
01722 d->accessKeysPreActivate=false;
01723 if (d->accessKeysPreActivate && _ke->state() == Qt::ControlButton && !(KApplication::keyboardMouseState() & Qt::ControlButton))
01724 {
01725 displayAccessKeys();
01726 m_part->setStatusBarText(i18n("Access Keys activated"),KHTMLPart::BarOverrideText);
01727 d->accessKeysActivated = true;
01728 d->accessKeysPreActivate = false;
01729 _ke->accept();
01730 return;
01731 }
01732 else if (d->accessKeysActivated)
01733 {
01734 accessKeysTimeout();
01735 _ke->accept();
01736 return;
01737 }
01738 }
01739
01740
01741 if ( dispatchKeyEvent( _ke ) )
01742 {
01743 _ke->accept();
01744 return;
01745 }
01746
01747 QScrollView::keyReleaseEvent(_ke);
01748 }
01749
01750 void KHTMLView::contentsContextMenuEvent ( QContextMenuEvent * )
01751 {
01752
01753 #if 0
01754 if (!m_part->xmlDocImpl()) return;
01755 int xm = _ce->x();
01756 int ym = _ce->y();
01757
01758 DOM::NodeImpl::MouseEvent mev( _ce->state(), DOM::NodeImpl::MouseMove );
01759 m_part->xmlDocImpl()->prepareMouseEvent( xm, ym, &mev );
01760
01761 NodeImpl *targetNode = mev.innerNode.handle();
01762 if (targetNode && targetNode->renderer() && targetNode->renderer()->isWidget()) {
01763 int absx = 0;
01764 int absy = 0;
01765 targetNode->renderer()->absolutePosition(absx,absy);
01766 QPoint pos(xm-absx,ym-absy);
01767
01768 QWidget *w = static_cast<RenderWidget*>(targetNode->renderer())->widget();
01769 QContextMenuEvent cme(_ce->reason(),pos,_ce->globalPos(),_ce->state());
01770 setIgnoreEvents(true);
01771 QApplication::sendEvent(w,&cme);
01772 setIgnoreEvents(false);
01773 }
01774 #endif
01775 }
01776
01777 bool KHTMLView::focusNextPrevChild( bool next )
01778 {
01779
01780 if (m_part->xmlDocImpl() && focusNextPrevNode(next))
01781 {
01782 if (m_part->xmlDocImpl()->focusNode())
01783 kdDebug() << "focusNode.name: "
01784 << m_part->xmlDocImpl()->focusNode()->nodeName().string() << endl;
01785 return true;
01786 }
01787
01788
01789 d->pseudoFocusNode = KHTMLViewPrivate::PFNone;
01790 if (m_part->parentPart() && m_part->parentPart()->view())
01791 return m_part->parentPart()->view()->focusNextPrevChild(next);
01792
01793 return QWidget::focusNextPrevChild(next);
01794 }
01795
01796 void KHTMLView::doAutoScroll()
01797 {
01798 QPoint pos = QCursor::pos();
01799 pos = viewport()->mapFromGlobal( pos );
01800
01801 int xm, ym;
01802 viewportToContents(pos.x(), pos.y(), xm, ym);
01803
01804 pos = QPoint(pos.x() - viewport()->x(), pos.y() - viewport()->y());
01805 if ( (pos.y() < 0) || (pos.y() > visibleHeight()) ||
01806 (pos.x() < 0) || (pos.x() > visibleWidth()) )
01807 {
01808 ensureVisible( xm, ym, 0, 5 );
01809
01810 #ifndef KHTML_NO_SELECTION
01811
01812 DOM::Node innerNode;
01813 if (m_part->isExtendingSelection()) {
01814 RenderObject::NodeInfo renderInfo(true, false);
01815 m_part->xmlDocImpl()->renderer()->layer()
01816 ->nodeAtPoint(renderInfo, xm, ym);
01817 innerNode = renderInfo.innerNode();
01818 }
01819
01820 if (innerNode.handle() && innerNode.handle()->renderer()) {
01821 int absX, absY;
01822 innerNode.handle()->renderer()->absolutePosition(absX, absY);
01823
01824 m_part->extendSelectionTo(xm, ym, absX, absY, innerNode);
01825 }
01826 #endif // KHTML_NO_SELECTION
01827 }
01828 }
01829
01830
01831 class HackWidget : public QWidget
01832 {
01833 public:
01834 inline void setNoErase() { setWFlags(getWFlags()|WRepaintNoErase); }
01835 };
01836
01837 bool KHTMLView::eventFilter(QObject *o, QEvent *e)
01838 {
01839 if ( e->type() == QEvent::AccelOverride ) {
01840 QKeyEvent* ke = (QKeyEvent*) e;
01841
01842 if (m_part->isEditable() || m_part->isCaretMode()
01843 || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode()
01844 && m_part->xmlDocImpl()->focusNode()->contentEditable())) {
01845
01846 if ( (ke->state() & ControlButton) || (ke->state() & ShiftButton) ) {
01847 switch ( ke->key() ) {
01848 case Key_Left:
01849 case Key_Right:
01850 case Key_Up:
01851 case Key_Down:
01852 case Key_Home:
01853 case Key_End:
01854 ke->accept();
01855
01856 return true;
01857 default:
01858 break;
01859 }
01860 }
01861 }
01862 }
01863
01864 if ( e->type() == QEvent::Leave && d->cursor_icon_widget )
01865 d->cursor_icon_widget->hide();
01866
01867 QWidget *view = viewport();
01868
01869 if (o == view) {
01870
01871
01872 if(e->type() == QEvent::ChildInserted) {
01873 QObject *c = static_cast<QChildEvent *>(e)->child();
01874 if (c->isWidgetType()) {
01875 QWidget *w = static_cast<QWidget *>(c);
01876
01877 if (w->parentWidget(true) == view) {
01878 if (!strcmp(w->name(), "__khtml")) {
01879 w->installEventFilter(this);
01880 w->unsetCursor();
01881 if (!::qt_cast<QFrame*>(w))
01882 w->setBackgroundMode( QWidget::NoBackground );
01883 static_cast<HackWidget *>(w)->setNoErase();
01884 if (w->children()) {
01885 QObjectListIterator it(*w->children());
01886 for (; it.current(); ++it) {
01887 QWidget *widget = ::qt_cast<QWidget *>(it.current());
01888 if (widget && !widget->isTopLevel()) {
01889 if (!::qt_cast<QFrame*>(w))
01890 widget->setBackgroundMode( QWidget::NoBackground );
01891 static_cast<HackWidget *>(widget)->setNoErase();
01892 widget->installEventFilter(this);
01893 }
01894 }
01895 }
01896 }
01897 }
01898 }
01899 }
01900 } else if (o->isWidgetType()) {
01901 QWidget *v = static_cast<QWidget *>(o);
01902 QWidget *c = v;
01903 while (v && v != view) {
01904 c = v;
01905 v = v->parentWidget(true);
01906 }
01907
01908 if (v && !strcmp(c->name(), "__khtml")) {
01909 bool block = false;
01910 QWidget *w = static_cast<QWidget *>(o);
01911 switch(e->type()) {
01912 case QEvent::Paint:
01913 if (!allowWidgetPaintEvents) {
01914
01915
01916 block = true;
01917 int x = 0, y = 0;
01918 QWidget *v = w;
01919 while (v && v != view) {
01920 x += v->x();
01921 y += v->y();
01922 v = v->parentWidget();
01923 }
01924 viewportToContents( x, y, x, y );
01925 QPaintEvent *pe = static_cast<QPaintEvent *>(e);
01926 bool asap = !d->contentsMoving && ::qt_cast<QScrollView *>(c);
01927
01928
01929 if ( asap && !d->painting && m_part->xmlDocImpl() && m_part->xmlDocImpl()->renderer() &&
01930 !static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer())->needsLayout() ) {
01931 repaintContents(x + pe->rect().x(), y + pe->rect().y(),
01932 pe->rect().width(), pe->rect().height(), true);
01933 } else {
01934 scheduleRepaint(x + pe->rect().x(), y + pe->rect().y(),
01935 pe->rect().width(), pe->rect().height(), asap);
01936 }
01937 }
01938 break;
01939 case QEvent::MouseMove:
01940 case QEvent::MouseButtonPress:
01941 case QEvent::MouseButtonRelease:
01942 case QEvent::MouseButtonDblClick: {
01943 if (w->parentWidget() == view && !::qt_cast<QScrollBar *>(w)) {
01944 QMouseEvent *me = static_cast<QMouseEvent *>(e);
01945 QPoint pt = (me->pos() + w->pos());
01946 QMouseEvent me2(me->type(), pt, me->button(), me->state());
01947
01948 if (e->type() == QEvent::MouseMove)
01949 viewportMouseMoveEvent(&me2);
01950 else if(e->type() == QEvent::MouseButtonPress)
01951 viewportMousePressEvent(&me2);
01952 else if(e->type() == QEvent::MouseButtonRelease)
01953 viewportMouseReleaseEvent(&me2);
01954 else
01955 viewportMouseDoubleClickEvent(&me2);
01956 block = true;
01957 }
01958 break;
01959 }
01960 case QEvent::KeyPress:
01961 case QEvent::KeyRelease:
01962 if (w->parentWidget() == view && !::qt_cast<QScrollBar *>(w)) {
01963 QKeyEvent *ke = static_cast<QKeyEvent *>(e);
01964 if (e->type() == QEvent::KeyPress)
01965 keyPressEvent(ke);
01966 else
01967 keyReleaseEvent(ke);
01968 block = true;
01969 }
01970 default:
01971 break;
01972 }
01973 if (block) {
01974
01975 return true;
01976 }
01977 }
01978 }
01979
01980
01981 return QScrollView::eventFilter(o, e);
01982 }
01983
01984
01985 DOM::NodeImpl *KHTMLView::nodeUnderMouse() const
01986 {
01987 return d->underMouse;
01988 }
01989
01990 DOM::NodeImpl *KHTMLView::nonSharedNodeUnderMouse() const
01991 {
01992 return d->underMouseNonShared;
01993 }
01994
01995 bool KHTMLView::scrollTo(const QRect &bounds)
01996 {
01997 d->scrollingSelf = true;
01998
01999 int x, y, xe, ye;
02000 x = bounds.left();
02001 y = bounds.top();
02002 xe = bounds.right();
02003 ye = bounds.bottom();
02004
02005
02006
02007 int deltax;
02008 int deltay;
02009
02010 int curHeight = visibleHeight();
02011 int curWidth = visibleWidth();
02012
02013 if (ye-y>curHeight-d->borderY)
02014 ye = y + curHeight - d->borderY;
02015
02016 if (xe-x>curWidth-d->borderX)
02017 xe = x + curWidth - d->borderX;
02018
02019
02020 if (x < contentsX() + d->borderX )
02021 deltax = x - contentsX() - d->borderX;
02022
02023 else if (xe + d->borderX > contentsX() + curWidth)
02024 deltax = xe + d->borderX - ( contentsX() + curWidth );
02025 else
02026 deltax = 0;
02027
02028
02029 if (y < contentsY() + d->borderY)
02030 deltay = y - contentsY() - d->borderY;
02031
02032 else if (ye + d->borderY > contentsY() + curHeight)
02033 deltay = ye + d->borderY - ( contentsY() + curHeight );
02034 else
02035 deltay = 0;
02036
02037 int maxx = curWidth-d->borderX;
02038 int maxy = curHeight-d->borderY;
02039
02040 int scrollX,scrollY;
02041
02042 scrollX = deltax > 0 ? (deltax > maxx ? maxx : deltax) : deltax == 0 ? 0 : (deltax>-maxx ? deltax : -maxx);
02043 scrollY = deltay > 0 ? (deltay > maxy ? maxy : deltay) : deltay == 0 ? 0 : (deltay>-maxy ? deltay : -maxy);
02044
02045 if (contentsX() + scrollX < 0)
02046 scrollX = -contentsX();
02047 else if (contentsWidth() - visibleWidth() - contentsX() < scrollX)
02048 scrollX = contentsWidth() - visibleWidth() - contentsX();
02049
02050 if (contentsY() + scrollY < 0)
02051 scrollY = -contentsY();
02052 else if (contentsHeight() - visibleHeight() - contentsY() < scrollY)
02053 scrollY = contentsHeight() - visibleHeight() - contentsY();
02054
02055 scrollBy(scrollX, scrollY);
02056
02057 d->scrollingSelf = false;
02058
02059 if ( (abs(deltax)<=maxx) && (abs(deltay)<=maxy) )
02060 return true;
02061 else return false;
02062
02063 }
02064
02065 bool KHTMLView::focusNextPrevNode(bool next)
02066 {
02067
02068
02069
02070
02071
02072
02073
02074 DocumentImpl *doc = m_part->xmlDocImpl();
02075 NodeImpl *oldFocusNode = doc->focusNode();
02076
02077 #if 1
02078
02079
02080
02081 if (d->scrollBarMoved)
02082 {
02083 NodeImpl *toFocus;
02084 if (next)
02085 toFocus = doc->nextFocusNode(oldFocusNode);
02086 else
02087 toFocus = doc->previousFocusNode(oldFocusNode);
02088
02089 if (!toFocus && oldFocusNode)
02090 if (next)
02091 toFocus = doc->nextFocusNode(NULL);
02092 else
02093 toFocus = doc->previousFocusNode(NULL);
02094
02095 while (toFocus && toFocus != oldFocusNode)
02096 {
02097
02098 QRect focusNodeRect = toFocus->getRect();
02099 if ((focusNodeRect.left() > contentsX()) && (focusNodeRect.right() < contentsX() + visibleWidth()) &&
02100 (focusNodeRect.top() > contentsY()) && (focusNodeRect.bottom() < contentsY() + visibleHeight())) {
02101 {
02102 QRect r = toFocus->getRect();
02103 ensureVisible( r.right(), r.bottom());
02104 ensureVisible( r.left(), r.top());
02105 d->scrollBarMoved = false;
02106 d->tabMovePending = false;
02107 d->lastTabbingDirection = next;
02108 d->pseudoFocusNode = KHTMLViewPrivate::PFNone;
02109 m_part->xmlDocImpl()->setFocusNode(toFocus);
02110 Node guard(toFocus);
02111 if (!toFocus->hasOneRef() )
02112 {
02113 emit m_part->nodeActivated(Node(toFocus));
02114 }
02115 return true;
02116 }
02117 }
02118 if (next)
02119 toFocus = doc->nextFocusNode(toFocus);
02120 else
02121 toFocus = doc->previousFocusNode(toFocus);
02122
02123 if (!toFocus && oldFocusNode)
02124 if (next)
02125 toFocus = doc->nextFocusNode(NULL);
02126 else
02127 toFocus = doc->previousFocusNode(NULL);
02128 }
02129
02130 d->scrollBarMoved = false;
02131 }
02132 #endif
02133
02134 if (!oldFocusNode && d->pseudoFocusNode == KHTMLViewPrivate::PFNone)
02135 {
02136 ensureVisible(contentsX(), next?0:contentsHeight());
02137 d->scrollBarMoved = false;
02138 d->pseudoFocusNode = next?KHTMLViewPrivate::PFTop:KHTMLViewPrivate::PFBottom;
02139 return true;
02140 }
02141
02142 NodeImpl *newFocusNode = NULL;
02143
02144 if (d->tabMovePending && next != d->lastTabbingDirection)
02145 {
02146
02147 newFocusNode = oldFocusNode;
02148 }
02149 else if (next)
02150 {
02151 if (oldFocusNode || d->pseudoFocusNode == KHTMLViewPrivate::PFTop )
02152 newFocusNode = doc->nextFocusNode(oldFocusNode);
02153 }
02154 else
02155 {
02156 if (oldFocusNode || d->pseudoFocusNode == KHTMLViewPrivate::PFBottom )
02157 newFocusNode = doc->previousFocusNode(oldFocusNode);
02158 }
02159
02160 bool targetVisible = false;
02161 if (!newFocusNode)
02162 {
02163 if ( next )
02164 {
02165 targetVisible = scrollTo(QRect(contentsX()+visibleWidth()/2,contentsHeight()-d->borderY,0,0));
02166 }
02167 else
02168 {
02169 targetVisible = scrollTo(QRect(contentsX()+visibleWidth()/2,d->borderY,0,0));
02170 }
02171 }
02172 else
02173 {
02174 #ifndef KHTML_NO_CARET
02175
02176 if (!m_part->isCaretMode() && !m_part->isEditable()
02177 && newFocusNode->contentEditable()) {
02178 d->caretViewContext();
02179 moveCaretTo(newFocusNode, 0L, true);
02180 } else {
02181 caretOff();
02182 }
02183 #endif // KHTML_NO_CARET
02184
02185 targetVisible = scrollTo(newFocusNode->getRect());
02186 }
02187
02188 if (targetVisible)
02189 {
02190
02191 d->tabMovePending = false;
02192
02193 m_part->xmlDocImpl()->setFocusNode(newFocusNode);
02194 if (newFocusNode)
02195 {
02196 Node guard(newFocusNode);
02197 if (!newFocusNode->hasOneRef() )
02198 {
02199 emit m_part->nodeActivated(Node(newFocusNode));
02200 }
02201 return true;
02202 }
02203 else
02204 {
02205 d->pseudoFocusNode = next?KHTMLViewPrivate::PFBottom:KHTMLViewPrivate::PFTop;
02206 return false;
02207 }
02208 }
02209 else
02210 {
02211 if (!d->tabMovePending)
02212 d->lastTabbingDirection = next;
02213 d->tabMovePending = true;
02214 return true;
02215 }
02216 }
02217
02218 void KHTMLView::displayAccessKeys()
02219 {
02220 QValueVector< QChar > taken;
02221 displayAccessKeys( NULL, this, taken, false );
02222 displayAccessKeys( NULL, this, taken, true );
02223 }
02224
02225 void KHTMLView::displayAccessKeys( KHTMLView* caller, KHTMLView* origview, QValueVector< QChar >& taken, bool use_fallbacks )
02226 {
02227 QMap< ElementImpl*, QChar > fallbacks;
02228 if( use_fallbacks )
02229 fallbacks = buildFallbackAccessKeys();
02230 for( NodeImpl* n = m_part->xmlDocImpl(); n != NULL; n = n->traverseNextNode()) {
02231 if( n->isElementNode()) {
02232 ElementImpl* en = static_cast< ElementImpl* >( n );
02233 DOMString s = en->getAttribute( ATTR_ACCESSKEY );
02234 QString accesskey;
02235 if( s.length() == 1 ) {
02236 QChar a = s.string()[ 0 ].upper();
02237 if( qFind( taken.begin(), taken.end(), a ) == taken.end())
02238 accesskey = a;
02239 }
02240 if( accesskey.isNull() && fallbacks.contains( en )) {
02241 QChar a = fallbacks[ en ].upper();
02242 if( qFind( taken.begin(), taken.end(), a ) == taken.end())
02243 accesskey = QString( "<qt><i>" ) + a + "</i></qt>";
02244 }
02245 if( !accesskey.isNull()) {
02246 QRect rec=en->getRect();
02247 QLabel *lab=new QLabel(accesskey,viewport(),0,Qt::WDestructiveClose);
02248 connect( origview, SIGNAL(hideAccessKeys()), lab, SLOT(close()) );
02249 connect( this, SIGNAL(repaintAccessKeys()), lab, SLOT(repaint()));
02250 lab->setPalette(QToolTip::palette());
02251 lab->setLineWidth(2);
02252 lab->setFrameStyle(QFrame::Box | QFrame::Plain);
02253 lab->setMargin(3);
02254 lab->adjustSize();
02255 addChild(lab,
02256 KMIN(rec.left()+rec.width()/2, contentsWidth() - lab->width()),
02257 KMIN(rec.top()+rec.height()/2, contentsHeight() - lab->height()));
02258 showChild(lab);
02259 taken.append( accesskey[ 0 ] );
02260 }
02261 }
02262 }
02263 if( use_fallbacks )
02264 return;
02265 QPtrList<KParts::ReadOnlyPart> frames = m_part->frames();
02266 for( QPtrListIterator<KParts::ReadOnlyPart> it( frames );
02267 it != NULL;
02268 ++it ) {
02269 if( !(*it)->inherits( "KHTMLPart" ))
02270 continue;
02271 KHTMLPart* part = static_cast< KHTMLPart* >( *it );
02272 if( part->view() && part->view() != caller )
02273 part->view()->displayAccessKeys( this, origview, taken, use_fallbacks );
02274 }
02275
02276 if (m_part->parentPart() && m_part->parentPart()->view()
02277 && m_part->parentPart()->view() != caller)
02278 m_part->parentPart()->view()->displayAccessKeys( this, origview, taken, use_fallbacks );
02279 }
02280
02281
02282
02283 void KHTMLView::accessKeysTimeout()
02284 {
02285 d->accessKeysActivated=false;
02286 d->accessKeysPreActivate = false;
02287 m_part->setStatusBarText(QString::null, KHTMLPart::BarOverrideText);
02288 emit hideAccessKeys();
02289 }
02290
02291
02292 bool KHTMLView::handleAccessKey( const QKeyEvent* ev )
02293 {
02294
02295
02296 QChar c;
02297 if( ev->key() >= Key_A && ev->key() <= Key_Z )
02298 c = 'A' + ev->key() - Key_A;
02299 else if( ev->key() >= Key_0 && ev->key() <= Key_9 )
02300 c = '0' + ev->key() - Key_0;
02301 else {
02302
02303
02304 if( ev->text().length() == 1 )
02305 c = ev->text()[ 0 ];
02306 }
02307 if( c.isNull())
02308 return false;
02309 return focusNodeWithAccessKey( c );
02310 }
02311
02312 bool KHTMLView::focusNodeWithAccessKey( QChar c, KHTMLView* caller )
02313 {
02314 DocumentImpl *doc = m_part->xmlDocImpl();
02315 if( !doc )
02316 return false;
02317 ElementImpl* node = doc->findAccessKeyElement( c );
02318 if( !node ) {
02319 QPtrList<KParts::ReadOnlyPart> frames = m_part->frames();
02320 for( QPtrListIterator<KParts::ReadOnlyPart> it( frames );
02321 it != NULL;
02322 ++it ) {
02323 if( !(*it)->inherits( "KHTMLPart" ))
02324 continue;
02325 KHTMLPart* part = static_cast< KHTMLPart* >( *it );
02326 if( part->view() && part->view() != caller
02327 && part->view()->focusNodeWithAccessKey( c, this ))
02328 return true;
02329 }
02330
02331 if (m_part->parentPart() && m_part->parentPart()->view()
02332 && m_part->parentPart()->view() != caller
02333 && m_part->parentPart()->view()->focusNodeWithAccessKey( c, this ))
02334 return true;
02335 if( caller == NULL ) {
02336 QMap< ElementImpl*, QChar > fallbacks = buildFallbackAccessKeys();
02337 for( QMap< ElementImpl*, QChar >::ConstIterator it = fallbacks.begin();
02338 it != fallbacks.end();
02339 ++it )
02340 if( *it == c ) {
02341 node = it.key();
02342 break;
02343 }
02344 }
02345 if( node == NULL )
02346 return false;
02347 }
02348
02349
02350 #ifndef KHTML_NO_CARET
02351
02352 if (!m_part->isCaretMode() && !m_part->isEditable()
02353 && node->contentEditable()) {
02354 d->caretViewContext();
02355 moveCaretTo(node, 0L, true);
02356 } else {
02357 caretOff();
02358 }
02359 #endif // KHTML_NO_CARET
02360
02361 QRect r = node->getRect();
02362 ensureVisible( r.right(), r.bottom());
02363 ensureVisible( r.left(), r.top());
02364
02365 Node guard( node );
02366 if( node->isFocusable()) {
02367 if (node->id()==ID_LABEL) {
02368
02369 node=static_cast<ElementImpl *>(static_cast< HTMLLabelElementImpl* >( node )->getFormElement());
02370 if (!node) return true;
02371 guard = node;
02372 }
02373
02374 QFocusEvent::setReason( QFocusEvent::Shortcut );
02375 m_part->xmlDocImpl()->setFocusNode(node);
02376 QFocusEvent::resetReason();
02377 if( node != NULL && node->hasOneRef())
02378 return true;
02379 emit m_part->nodeActivated(Node(node));
02380 if( node != NULL && node->hasOneRef())
02381 return true;
02382 }
02383
02384 switch( node->id()) {
02385 case ID_A:
02386 static_cast< HTMLAnchorElementImpl* >( node )->click();
02387 break;
02388 case ID_INPUT:
02389 static_cast< HTMLInputElementImpl* >( node )->click();
02390 break;
02391 case ID_BUTTON:
02392 static_cast< HTMLButtonElementImpl* >( node )->click();
02393 break;
02394 case ID_AREA:
02395 static_cast< HTMLAreaElementImpl* >( node )->click();
02396 break;
02397 case ID_TEXTAREA:
02398 break;
02399 case ID_LEGEND:
02400
02401 break;
02402 }
02403 return true;
02404 }
02405
02406 static QString getElementText( NodeImpl* start, bool after )
02407 {
02408 QString ret;
02409 for( NodeImpl* n = after ? start->nextSibling() : start->traversePreviousNode();
02410 n != NULL;
02411 n = after ? n->traverseNextNode() : n->traversePreviousNode()) {
02412 if( n->isTextNode()) {
02413 if( after )
02414 ret += static_cast< TextImpl* >( n )->toString().string();
02415 else
02416 ret.prepend( static_cast< TextImpl* >( n )->toString().string());
02417 } else {
02418 switch( n->id()) {
02419 case ID_A:
02420 case ID_FONT:
02421 case ID_TT:
02422 case ID_U:
02423 case ID_B:
02424 case ID_I:
02425 case ID_S:
02426 case ID_STRIKE:
02427 case ID_BIG:
02428 case ID_SMALL:
02429 case ID_EM:
02430 case ID_STRONG:
02431 case ID_DFN:
02432 case ID_CODE:
02433 case ID_SAMP:
02434 case ID_KBD:
02435 case ID_VAR:
02436 case ID_CITE:
02437 case ID_ABBR:
02438 case ID_ACRONYM:
02439 case ID_SUB:
02440 case ID_SUP:
02441 case ID_SPAN:
02442 case ID_NOBR:
02443 case ID_WBR:
02444 break;
02445 case ID_TD:
02446 if( ret.stripWhiteSpace().isEmpty())
02447 break;
02448
02449 default:
02450 return ret.simplifyWhiteSpace();
02451 }
02452 }
02453 }
02454 return ret.simplifyWhiteSpace();
02455 }
02456
02457 static QMap< NodeImpl*, QString > buildLabels( NodeImpl* start )
02458 {
02459 QMap< NodeImpl*, QString > ret;
02460 for( NodeImpl* n = start;
02461 n != NULL;
02462 n = n->traverseNextNode()) {
02463 if( n->id() == ID_LABEL ) {
02464 HTMLLabelElementImpl* label = static_cast< HTMLLabelElementImpl* >( n );
02465 NodeImpl* labelfor = label->getFormElement();
02466 if( labelfor )
02467 ret[ labelfor ] = label->innerText().string().simplifyWhiteSpace();
02468 }
02469 }
02470 return ret;
02471 }
02472
02473 namespace khtml {
02474 struct AccessKeyData {
02475 ElementImpl* element;
02476 QString text;
02477 QString url;
02478 int priority;
02479 };
02480 }
02481
02482 QMap< ElementImpl*, QChar > KHTMLView::buildFallbackAccessKeys() const
02483 {
02484
02485 QValueList< AccessKeyData > data;
02486 QMap< NodeImpl*, QString > labels = buildLabels( m_part->xmlDocImpl());
02487 for( NodeImpl* n = m_part->xmlDocImpl();
02488 n != NULL;
02489 n = n->traverseNextNode()) {
02490 if( n->isElementNode()) {
02491 ElementImpl* element = static_cast< ElementImpl* >( n );
02492 if( element->getAttribute( ATTR_ACCESSKEY ).length() == 1 )
02493 continue;
02494 if( element->renderer() == NULL )
02495 continue;
02496 QString text;
02497 QString url;
02498 int priority = 0;
02499 bool ignore = false;
02500 bool text_after = false;
02501 bool text_before = false;
02502 switch( element->id()) {
02503 case ID_A:
02504 url = khtml::parseURL(element->getAttribute(ATTR_HREF)).string();
02505 if( url.isEmpty())
02506 continue;
02507 text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace();
02508 priority = 2;
02509 break;
02510 case ID_INPUT: {
02511 HTMLInputElementImpl* in = static_cast< HTMLInputElementImpl* >( element );
02512 switch( in->inputType()) {
02513 case HTMLInputElementImpl::SUBMIT:
02514 text = in->value().string();
02515 if( text.isEmpty())
02516 text = i18n( "Submit" );
02517 priority = 7;
02518 break;
02519 case HTMLInputElementImpl::IMAGE:
02520 text = in->altText().string();
02521 priority = 7;
02522 break;
02523 case HTMLInputElementImpl::BUTTON:
02524 text = in->value().string();
02525 priority = 5;
02526 break;
02527 case HTMLInputElementImpl::RESET:
02528 text = in->value().string();
02529 if( text.isEmpty())
02530 text = i18n( "Reset" );
02531 priority = 5;
02532 break;
02533 case HTMLInputElementImpl::HIDDEN:
02534 ignore = true;
02535 break;
02536 case HTMLInputElementImpl::CHECKBOX:
02537 case HTMLInputElementImpl::RADIO:
02538 text_after = true;
02539 priority = 5;
02540 break;
02541 case HTMLInputElementImpl::TEXT:
02542 case HTMLInputElementImpl::PASSWORD:
02543 case HTMLInputElementImpl::FILE:
02544 text_before = true;
02545 priority = 5;
02546 break;
02547 default:
02548 priority = 5;
02549 break;
02550 }
02551 break;
02552 }
02553 case ID_BUTTON:
02554 text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace();
02555 switch( static_cast< HTMLButtonElementImpl* >( element )->buttonType()) {
02556 case HTMLButtonElementImpl::SUBMIT:
02557 if( text.isEmpty())
02558 text = i18n( "Submit" );
02559 priority = 7;
02560 break;
02561 case HTMLButtonElementImpl::RESET:
02562 if( text.isEmpty())
02563 text = i18n( "Reset" );
02564 priority = 5;
02565 break;
02566 default:
02567 priority = 5;
02568 break;
02569 break;
02570 }
02571 case ID_SELECT:
02572 text_before = true;
02573 text_after = true;
02574 priority = 5;
02575 break;
02576 case ID_FRAME:
02577 ignore = true;
02578 break;
02579 default:
02580 ignore = !element->isFocusable();
02581 priority = 2;
02582 break;
02583 }
02584 if( ignore )
02585 continue;
02586 if( text.isNull() && labels.contains( element ))
02587 text = labels[ element ];
02588 if( text.isNull() && text_before )
02589 text = getElementText( element, false );
02590 if( text.isNull() && text_after )
02591 text = getElementText( element, true );
02592 text = text.stripWhiteSpace();
02593
02594 QValueList< QPair< QString, QChar > > priorities
02595 = m_part->settings()->fallbackAccessKeysAssignments();
02596 for( QValueList< QPair< QString, QChar > >::ConstIterator it = priorities.begin();
02597 it != priorities.end();
02598 ++it ) {
02599 if( text == (*it).first )
02600 priority = 10;
02601 }
02602 AccessKeyData tmp = { element, text, url, priority };
02603 data.append( tmp );
02604 }
02605 }
02606
02607 QValueList< QChar > keys;
02608 for( char c = 'A'; c <= 'Z'; ++c )
02609 keys << c;
02610 for( char c = '0'; c <= '9'; ++c )
02611 keys << c;
02612 for( NodeImpl* n = m_part->xmlDocImpl();
02613 n != NULL;
02614 n = n->traverseNextNode()) {
02615 if( n->isElementNode()) {
02616 ElementImpl* en = static_cast< ElementImpl* >( n );
02617 DOMString s = en->getAttribute( ATTR_ACCESSKEY );
02618 if( s.length() == 1 ) {
02619 QChar c = s.string()[ 0 ].upper();
02620 keys.remove( c );
02621 }
02622 }
02623 }
02624
02625 QMap< ElementImpl*, QChar > ret;
02626 for( int priority = 10;
02627 priority >= 0;
02628 --priority ) {
02629 for( QValueList< AccessKeyData >::Iterator it = data.begin();
02630 it != data.end();
02631 ) {
02632 if( (*it).priority != priority ) {
02633 ++it;
02634 continue;
02635 }
02636 if( keys.isEmpty())
02637 break;
02638 QString text = (*it).text;
02639 QChar key;
02640 if( key.isNull() && !text.isEmpty()) {
02641 QValueList< QPair< QString, QChar > > priorities
02642 = m_part->settings()->fallbackAccessKeysAssignments();
02643 for( QValueList< QPair< QString, QChar > >::ConstIterator it = priorities.begin();
02644 it != priorities.end();
02645 ++it )
02646 if( text == (*it).first && keys.contains( (*it).second )) {
02647 key = (*it).second;
02648 break;
02649 }
02650 }
02651
02652
02653
02654 if( key.isNull() && !text.isEmpty()) {
02655 QStringList words = QStringList::split( ' ', text );
02656 for( QStringList::ConstIterator it = words.begin();
02657 it != words.end();
02658 ++it ) {
02659 if( keys.contains( (*it)[ 0 ].upper())) {
02660 key = (*it)[ 0 ].upper();
02661 break;
02662 }
02663 }
02664 }
02665 if( key.isNull() && !text.isEmpty()) {
02666 for( unsigned int i = 0;
02667 i < text.length();
02668 ++i ) {
02669 if( keys.contains( text[ i ].upper())) {
02670 key = text[ i ].upper();
02671 break;
02672 }
02673 }
02674 }
02675 if( key.isNull())
02676 key = keys.front();
02677 ret[ (*it).element ] = key;
02678 keys.remove( key );
02679 QString url = (*it).url;
02680 it = data.remove( it );
02681
02682 if( !url.isEmpty() && !url.startsWith( "javascript:", false )) {
02683 for( QValueList< AccessKeyData >::Iterator it2 = data.begin();
02684 it2 != data.end();
02685 ) {
02686 if( (*it2).url == url ) {
02687 ret[ (*it2).element ] = key;
02688 if( it == it2 )
02689 ++it;
02690 it2 = data.remove( it2 );
02691 } else
02692 ++it2;
02693 }
02694 }
02695 }
02696 }
02697 return ret;
02698 }
02699
02700 void KHTMLView::setMediaType( const QString &medium )
02701 {
02702 m_medium = medium;
02703 }
02704
02705 QString KHTMLView::mediaType() const
02706 {
02707 return m_medium;
02708 }
02709
02710 bool KHTMLView::pagedMode() const
02711 {
02712 return d->paged;
02713 }
02714
02715 void KHTMLView::setWidgetVisible(RenderWidget* w, bool vis)
02716 {
02717 if (vis) {
02718 d->visibleWidgets.replace(w, w->widget());
02719 }
02720 else
02721 d->visibleWidgets.remove(w);
02722 }
02723
02724 bool KHTMLView::needsFullRepaint() const
02725 {
02726 return d->needsFullRepaint;
02727 }
02728
02729 void KHTMLView::print()
02730 {
02731 print( false );
02732 }
02733
02734 void KHTMLView::print(bool quick)
02735 {
02736 if(!m_part->xmlDocImpl()) return;
02737 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer());
02738 if(!root) return;
02739
02740 KPrinter *printer = new KPrinter(true, QPrinter::ScreenResolution);
02741 printer->addDialogPage(new KHTMLPrintSettings());
02742 QString docname = m_part->xmlDocImpl()->URL().prettyURL();
02743 if ( !docname.isEmpty() )
02744 docname = KStringHandler::csqueeze(docname, 80);
02745 if(quick || printer->setup(this, i18n("Print %1").arg(docname))) {
02746 viewport()->setCursor( waitCursor );
02747
02748 printer->setFullPage(false);
02749 printer->setCreator(QString("KDE %1.%2.%3 HTML Library").arg(KDE_VERSION_MAJOR).arg(KDE_VERSION_MINOR).arg(KDE_VERSION_RELEASE));
02750 printer->setDocName(docname);
02751
02752 QPainter *p = new QPainter;
02753 p->begin( printer );
02754 khtml::setPrintPainter( p );
02755
02756 m_part->xmlDocImpl()->setPaintDevice( printer );
02757 QString oldMediaType = mediaType();
02758 setMediaType( "print" );
02759
02760
02761
02762 m_part->xmlDocImpl()->setPrintStyleSheet( printer->option("app-khtml-printfriendly") == "true" ?
02763 "* { background-image: none !important;"
02764 " background-color: white !important;"
02765 " color: black !important; }"
02766 "body { margin: 0px !important; }"
02767 "html { margin: 0px !important; }" :
02768 "body { margin: 0px !important; }"
02769 "html { margin: 0px !important; }"
02770 );
02771
02772 QPaintDeviceMetrics metrics( printer );
02773
02774 kdDebug(6000) << "printing: physical page width = " << metrics.width()
02775 << " height = " << metrics.height() << endl;
02776 root->setStaticMode(true);
02777 root->setPagedMode(true);
02778 root->setWidth(metrics.width());
02779
02780 root->setPageTop(0);
02781 root->setPageBottom(0);
02782 d->paged = true;
02783
02784 m_part->xmlDocImpl()->styleSelector()->computeFontSizes(&metrics, 100);
02785 m_part->xmlDocImpl()->updateStyleSelector();
02786 root->setPrintImages( printer->option("app-khtml-printimages") == "true");
02787 root->makePageBreakAvoidBlocks();
02788
02789 root->setNeedsLayoutAndMinMaxRecalc();
02790 root->layout();
02791 khtml::RenderWidget::flushWidgetResizes();
02792
02793
02794
02795 bool printHeader = (printer->option("app-khtml-printheader") == "true");
02796
02797 int headerHeight = 0;
02798 QFont headerFont("Sans Serif", 8);
02799
02800 QString headerLeft = KGlobal::locale()->formatDate(QDate::currentDate(),true);
02801 QString headerMid = docname;
02802 QString headerRight;
02803
02804 if (printHeader)
02805 {
02806 p->setFont(headerFont);
02807 headerHeight = (p->fontMetrics().lineSpacing() * 3) / 2;
02808 }
02809
02810
02811 kdDebug(6000) << "printing: html page width = " << root->docWidth()
02812 << " height = " << root->docHeight() << endl;
02813 kdDebug(6000) << "printing: margins left = " << printer->margins().width()
02814 << " top = " << printer->margins().height() << endl;
02815 kdDebug(6000) << "printing: paper width = " << metrics.width()
02816 << " height = " << metrics.height() << endl;
02817
02818
02819 int pageWidth = metrics.width();
02820 int pageHeight = metrics.height();
02821 p->setClipRect(0,0, pageWidth, pageHeight);
02822
02823 pageHeight -= headerHeight;
02824
02825 bool scalePage = false;
02826 double scale = 0.0;
02827 #ifndef QT_NO_TRANSFORMATIONS
02828 if(root->docWidth() > metrics.width()) {
02829 scalePage = true;
02830 scale = ((double) metrics.width())/((double) root->docWidth());
02831 pageHeight = (int) (pageHeight/scale);
02832 pageWidth = (int) (pageWidth/scale);
02833 headerHeight = (int) (headerHeight/scale);
02834 }
02835 #endif
02836 kdDebug(6000) << "printing: scaled html width = " << pageWidth
02837 << " height = " << pageHeight << endl;
02838
02839 root->setHeight(pageHeight);
02840 root->setPageBottom(pageHeight);
02841 root->setNeedsLayout(true);
02842 root->layoutIfNeeded();
02843
02844
02845
02846 if (printHeader)
02847 {
02848 int available_width = metrics.width() - 10 -
02849 2 * kMax(p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerLeft).width(),
02850 p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerRight).width());
02851 if (available_width < 150)
02852 available_width = 150;
02853 int mid_width;
02854 int squeeze = 120;
02855 do {
02856 headerMid = KStringHandler::csqueeze(docname, squeeze);
02857 mid_width = p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerMid).width();
02858 squeeze -= 10;
02859 } while (mid_width > available_width);
02860 }
02861
02862 int top = 0;
02863 int bottom = 0;
02864 int page = 1;
02865 while(top < root->docHeight()) {
02866 if(top > 0) printer->newPage();
02867 p->setClipRect(0, 0, pageWidth, headerHeight, QPainter::CoordDevice);
02868 if (printHeader)
02869 {
02870 int dy = p->fontMetrics().lineSpacing();
02871 p->setPen(Qt::black);
02872 p->setFont(headerFont);
02873
02874 headerRight = QString("#%1").arg(page);
02875
02876 p->drawText(0, 0, metrics.width(), dy, Qt::AlignLeft, headerLeft);
02877 p->drawText(0, 0, metrics.width(), dy, Qt::AlignHCenter, headerMid);
02878 p->drawText(0, 0, metrics.width(), dy, Qt::AlignRight, headerRight);
02879 }
02880
02881
02882 #ifndef QT_NO_TRANSFORMATIONS
02883 if (scalePage)
02884 p->scale(scale, scale);
02885 #endif
02886
02887 p->setClipRect(0, headerHeight, pageWidth, pageHeight, QPainter::CoordDevice);
02888 p->translate(0, headerHeight-top);
02889
02890 bottom = top+pageHeight;
02891
02892 root->setPageTop(top);
02893 root->setPageBottom(bottom);
02894 root->setPageNumber(page);
02895
02896 root->layer()->paint(p, QRect(0, top, pageWidth, pageHeight));
02897
02898
02899
02900 kdDebug(6000) << "printed: page " << page <<" bottom At = " << bottom << endl;
02901
02902 top = bottom;
02903 p->resetXForm();
02904 page++;
02905 }
02906
02907 p->end();
02908 delete p;
02909
02910
02911 root->setPagedMode(false);
02912 root->setStaticMode(false);
02913 d->paged = false;
02914 khtml::setPrintPainter( 0 );
02915 setMediaType( oldMediaType );
02916 m_part->xmlDocImpl()->setPaintDevice( this );
02917 m_part->xmlDocImpl()->styleSelector()->computeFontSizes(m_part->xmlDocImpl()->paintDeviceMetrics(), m_part->zoomFactor());
02918 m_part->xmlDocImpl()->updateStyleSelector();
02919 viewport()->unsetCursor();
02920 }
02921 delete printer;
02922 }
02923
02924 void KHTMLView::slotPaletteChanged()
02925 {
02926 if(!m_part->xmlDocImpl()) return;
02927 DOM::DocumentImpl *document = m_part->xmlDocImpl();
02928 if (!document->isHTMLDocument()) return;
02929 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(document->renderer());
02930 if(!root) return;
02931 root->style()->resetPalette();
02932 NodeImpl *body = static_cast<HTMLDocumentImpl*>(document)->body();
02933 if(!body) return;
02934 body->setChanged(true);
02935 body->recalcStyle( NodeImpl::Force );
02936 }
02937
02938 void KHTMLView::paint(QPainter *p, const QRect &rc, int yOff, bool *more)
02939 {
02940 if(!m_part->xmlDocImpl()) return;
02941 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer());
02942 if(!root) return;
02943
02944 m_part->xmlDocImpl()->setPaintDevice(p->device());
02945 root->setPagedMode(true);
02946 root->setStaticMode(true);
02947 root->setWidth(rc.width());
02948
02949 p->save();
02950 p->setClipRect(rc);
02951 p->translate(rc.left(), rc.top());
02952 double scale = ((double) rc.width()/(double) root->docWidth());
02953 int height = (int) ((double) rc.height() / scale);
02954 #ifndef QT_NO_TRANSFORMATIONS
02955 p->scale(scale, scale);
02956 #endif
02957 root->setPageTop(yOff);
02958 root->setPageBottom(yOff+height);
02959
02960 root->layer()->paint(p, QRect(0, yOff, root->docWidth(), height));
02961 if (more)
02962 *more = yOff + height < root->docHeight();
02963 p->restore();
02964
02965 root->setPagedMode(false);
02966 root->setStaticMode(false);
02967 m_part->xmlDocImpl()->setPaintDevice( this );
02968 }
02969
02970
02971 void KHTMLView::useSlowRepaints()
02972 {
02973 d->useSlowRepaints = true;
02974 setStaticBackground(true);
02975 }
02976
02977
02978 void KHTMLView::setVScrollBarMode ( ScrollBarMode mode )
02979 {
02980 #ifndef KHTML_NO_SCROLLBARS
02981 d->vmode = mode;
02982 QScrollView::setVScrollBarMode(mode);
02983 #else
02984 Q_UNUSED( mode );
02985 #endif
02986 }
02987
02988 void KHTMLView::setHScrollBarMode ( ScrollBarMode mode )
02989 {
02990 #ifndef KHTML_NO_SCROLLBARS
02991 d->hmode = mode;
02992 QScrollView::setHScrollBarMode(mode);
02993 #else
02994 Q_UNUSED( mode );
02995 #endif
02996 }
02997
02998 void KHTMLView::restoreScrollBar()
02999 {
03000 int ow = visibleWidth();
03001 QScrollView::setVScrollBarMode(d->vmode);
03002 if (visibleWidth() != ow)
03003 layout();
03004 d->prevScrollbarVisible = verticalScrollBar()->isVisible();
03005 }
03006
03007 QStringList KHTMLView::formCompletionItems(const QString &name) const
03008 {
03009 if (!m_part->settings()->isFormCompletionEnabled())
03010 return QStringList();
03011 if (!d->formCompletions)
03012 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03013 return d->formCompletions->readListEntry(name);
03014 }
03015
03016 void KHTMLView::clearCompletionHistory(const QString& name)
03017 {
03018 if (!d->formCompletions)
03019 {
03020 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03021 }
03022 d->formCompletions->writeEntry(name, "");
03023 d->formCompletions->sync();
03024 }
03025
03026 void KHTMLView::addFormCompletionItem(const QString &name, const QString &value)
03027 {
03028 if (!m_part->settings()->isFormCompletionEnabled())
03029 return;
03030
03031
03032
03033 bool cc_number(true);
03034 for (unsigned int i = 0; i < value.length(); ++i)
03035 {
03036 QChar c(value[i]);
03037 if (!c.isNumber() && c != '-' && !c.isSpace())
03038 {
03039 cc_number = false;
03040 break;
03041 }
03042 }
03043 if (cc_number)
03044 return;
03045 QStringList items = formCompletionItems(name);
03046 if (!items.contains(value))
03047 items.prepend(value);
03048 while ((int)items.count() > m_part->settings()->maxFormCompletionItems())
03049 items.remove(items.fromLast());
03050 d->formCompletions->writeEntry(name, items);
03051 }
03052
03053 void KHTMLView::addNonPasswordStorableSite(const QString& host)
03054 {
03055 if (!d->formCompletions) {
03056 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03057 }
03058
03059 d->formCompletions->setGroup("NonPasswordStorableSites");
03060 QStringList sites = d->formCompletions->readListEntry("Sites");
03061 sites.append(host);
03062 d->formCompletions->writeEntry("Sites", sites);
03063 d->formCompletions->sync();
03064 d->formCompletions->setGroup(QString::null);
03065 }
03066
03067 bool KHTMLView::nonPasswordStorableSite(const QString& host) const
03068 {
03069 if (!d->formCompletions) {
03070 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03071 }
03072 d->formCompletions->setGroup("NonPasswordStorableSites");
03073 QStringList sites = d->formCompletions->readListEntry("Sites");
03074 d->formCompletions->setGroup(QString::null);
03075
03076 return (sites.find(host) != sites.end());
03077 }
03078
03079
03080 bool KHTMLView::dispatchMouseEvent(int eventId, DOM::NodeImpl *targetNode,
03081 DOM::NodeImpl *targetNodeNonShared, bool cancelable,
03082 int detail,QMouseEvent *_mouse, bool setUnder,
03083 int mouseEventType)
03084 {
03085
03086 if (targetNode && targetNode->isTextNode())
03087 targetNode = targetNode->parentNode();
03088
03089 if (d->underMouse)
03090 d->underMouse->deref();
03091 d->underMouse = targetNode;
03092 if (d->underMouse)
03093 d->underMouse->ref();
03094
03095 if (d->underMouseNonShared)
03096 d->underMouseNonShared->deref();
03097 d->underMouseNonShared = targetNodeNonShared;
03098 if (d->underMouseNonShared)
03099 d->underMouseNonShared->ref();
03100
03101 int exceptioncode = 0;
03102 int pageX = 0;
03103 int pageY = 0;
03104 viewportToContents(_mouse->x(), _mouse->y(), pageX, pageY);
03105 int clientX = pageX - contentsX();
03106 int clientY = pageY - contentsY();
03107 int screenX = _mouse->globalX();
03108 int screenY = _mouse->globalY();
03109 int button = -1;
03110 switch (_mouse->button()) {
03111 case LeftButton:
03112 button = 0;
03113 break;
03114 case MidButton:
03115 button = 1;
03116 break;
03117 case RightButton:
03118 button = 2;
03119 break;
03120 default:
03121 break;
03122 }
03123 if (d->accessKeysEnabled && d->accessKeysPreActivate && button!=-1)
03124 d->accessKeysPreActivate=false;
03125
03126 bool ctrlKey = (_mouse->state() & ControlButton);
03127 bool altKey = (_mouse->state() & AltButton);
03128 bool shiftKey = (_mouse->state() & ShiftButton);
03129 bool metaKey = (_mouse->state() & MetaButton);
03130
03131
03132 if (setUnder && (d->prevMouseX != pageX || d->prevMouseY != pageY)) {
03133
03134
03135
03136 NodeImpl *oldUnder = 0;
03137 if (d->prevMouseX >= 0 && d->prevMouseY >= 0) {
03138 NodeImpl::MouseEvent mev( _mouse->stateAfter(), static_cast<NodeImpl::MouseEventType>(mouseEventType));
03139 m_part->xmlDocImpl()->prepareMouseEvent( true, d->prevMouseX, d->prevMouseY, &mev );
03140 oldUnder = mev.innerNode.handle();
03141
03142 if (oldUnder && oldUnder->isTextNode())
03143 oldUnder = oldUnder->parentNode();
03144 }
03145
03146 if (oldUnder != targetNode) {
03147
03148 if (oldUnder){
03149 oldUnder->ref();
03150 MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOUT_EVENT,
03151 true,true,m_part->xmlDocImpl()->defaultView(),
03152 0,screenX,screenY,clientX,clientY,pageX, pageY,
03153 ctrlKey,altKey,shiftKey,metaKey,
03154 button,targetNode);
03155 me->ref();
03156 oldUnder->dispatchEvent(me,exceptioncode,true);
03157 me->deref();
03158 }
03159
03160
03161 if (targetNode) {
03162 MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOVER_EVENT,
03163 true,true,m_part->xmlDocImpl()->defaultView(),
03164 0,screenX,screenY,clientX,clientY,pageX, pageY,
03165 ctrlKey,altKey,shiftKey,metaKey,
03166 button,oldUnder);
03167
03168 me->ref();
03169 targetNode->dispatchEvent(me,exceptioncode,true);
03170 me->deref();
03171 }
03172
03173 if (oldUnder)
03174 oldUnder->deref();
03175 }
03176 }
03177
03178 bool swallowEvent = false;
03179
03180 if (targetNode) {
03181
03182 bool dblclick = ( eventId == EventImpl::CLICK_EVENT &&
03183 _mouse->type() == QEvent::MouseButtonDblClick );
03184 MouseEventImpl *me = new MouseEventImpl(static_cast<EventImpl::EventId>(eventId),
03185 true,cancelable,m_part->xmlDocImpl()->defaultView(),
03186 detail,screenX,screenY,clientX,clientY,pageX, pageY,
03187 ctrlKey,altKey,shiftKey,metaKey,
03188 button,0, _mouse, dblclick );
03189 me->ref();
03190 targetNode->dispatchEvent(me,exceptioncode,true);
03191 bool defaultHandled = me->defaultHandled();
03192 if (defaultHandled || me->defaultPrevented())
03193 swallowEvent = true;
03194 me->deref();
03195
03196 if (eventId == EventImpl::MOUSEDOWN_EVENT) {
03197
03198
03199
03200
03201 DOM::NodeImpl* nodeImpl = targetNode;
03202 for ( ; nodeImpl && !nodeImpl->isFocusable(); nodeImpl = nodeImpl->parentNode());
03203 if (nodeImpl && nodeImpl->isMouseFocusable())
03204 m_part->xmlDocImpl()->setFocusNode(nodeImpl);
03205 else if (!nodeImpl || !nodeImpl->focused())
03206 m_part->xmlDocImpl()->setFocusNode(0);
03207 }
03208 }
03209
03210 return swallowEvent;
03211 }
03212
03213 void KHTMLView::setIgnoreWheelEvents( bool e )
03214 {
03215 d->ignoreWheelEvents = e;
03216 }
03217
03218 #ifndef QT_NO_WHEELEVENT
03219
03220 void KHTMLView::viewportWheelEvent(QWheelEvent* e)
03221 {
03222 if (d->accessKeysEnabled && d->accessKeysPreActivate) d->accessKeysPreActivate=false;
03223
03224 if ( ( e->state() & ControlButton) == ControlButton )
03225 {
03226 emit zoomView( - e->delta() );
03227 e->accept();
03228 }
03229 else if (d->firstRelayout)
03230 {
03231 e->accept();
03232 }
03233 else if( ( (e->orientation() == Vertical &&
03234 ((d->ignoreWheelEvents && !verticalScrollBar()->isVisible())
03235 || e->delta() > 0 && contentsY() <= 0
03236 || e->delta() < 0 && contentsY() >= contentsHeight() - visibleHeight()))
03237 ||
03238 (e->orientation() == Horizontal &&
03239 ((d->ignoreWheelEvents && !horizontalScrollBar()->isVisible())
03240 || e->delta() > 0 && contentsX() <=0
03241 || e->delta() < 0 && contentsX() >= contentsWidth() - visibleWidth())))
03242 && m_part->parentPart())
03243 {
03244 if ( m_part->parentPart()->view() )
03245 m_part->parentPart()->view()->wheelEvent( e );
03246 e->ignore();
03247 }
03248 else if ( (e->orientation() == Vertical && d->vmode == QScrollView::AlwaysOff) ||
03249 (e->orientation() == Horizontal && d->hmode == QScrollView::AlwaysOff) )
03250 {
03251 e->accept();
03252 }
03253 else
03254 {
03255 d->scrollBarMoved = true;
03256 QScrollView::viewportWheelEvent( e );
03257
03258 QMouseEvent *tempEvent = new QMouseEvent( QEvent::MouseMove, QPoint(-1,-1), QPoint(-1,-1), Qt::NoButton, e->state() );
03259 emit viewportMouseMoveEvent ( tempEvent );
03260 delete tempEvent;
03261 }
03262
03263 }
03264 #endif
03265
03266 void KHTMLView::dragEnterEvent( QDragEnterEvent* ev )
03267 {
03268
03269
03270
03271 if ( m_part->parentPart() )
03272 {
03273 QApplication::sendEvent(m_part->parentPart()->widget(), ev);
03274 return;
03275 }
03276 QScrollView::dragEnterEvent( ev );
03277 }
03278
03279 void KHTMLView::dropEvent( QDropEvent *ev )
03280 {
03281
03282
03283
03284 if ( m_part->parentPart() )
03285 {
03286 QApplication::sendEvent(m_part->parentPart()->widget(), ev);
03287 return;
03288 }
03289 QScrollView::dropEvent( ev );
03290 }
03291
03292 void KHTMLView::focusInEvent( QFocusEvent *e )
03293 {
03294 #ifndef KHTML_NO_TYPE_AHEAD_FIND
03295 m_part->enableFindAheadActions( true );
03296 #endif
03297 DOM::NodeImpl* fn = m_part->xmlDocImpl() ? m_part->xmlDocImpl()->focusNode() : 0;
03298 if (fn && fn->renderer() && fn->renderer()->isWidget() &&
03299 (e->reason() != QFocusEvent::Mouse) &&
03300 static_cast<khtml::RenderWidget*>(fn->renderer())->widget())
03301 static_cast<khtml::RenderWidget*>(fn->renderer())->widget()->setFocus();
03302 #ifndef KHTML_NO_CARET
03303
03304
03305 if (d->m_caretViewContext &&
03306 d->m_caretViewContext->freqTimerId == -1 &&
03307 fn) {
03308 if (m_part->isCaretMode()
03309 || m_part->isEditable()
03310 || (fn && fn->renderer()
03311 && fn->renderer()->style()->userInput()
03312 == UI_ENABLED)) {
03313 d->m_caretViewContext->freqTimerId = startTimer(500);
03314 d->m_caretViewContext->visible = true;
03315 }
03316 }
03317 showCaret();
03318 #endif // KHTML_NO_CARET
03319 QScrollView::focusInEvent( e );
03320 }
03321
03322 void KHTMLView::focusOutEvent( QFocusEvent *e )
03323 {
03324 if(m_part) m_part->stopAutoScroll();
03325
03326 #ifndef KHTML_NO_TYPE_AHEAD_FIND
03327 if(d->typeAheadActivated)
03328 {
03329 findTimeout();
03330 }
03331 m_part->enableFindAheadActions( false );
03332 #endif // KHTML_NO_TYPE_AHEAD_FIND
03333
03334 #ifndef KHTML_NO_CARET
03335 if (d->m_caretViewContext) {
03336 switch (d->m_caretViewContext->displayNonFocused) {
03337 case KHTMLPart::CaretInvisible:
03338 hideCaret();
03339 break;
03340 case KHTMLPart::CaretVisible: {
03341 killTimer(d->m_caretViewContext->freqTimerId);
03342 d->m_caretViewContext->freqTimerId = -1;
03343 NodeImpl *caretNode = m_part->xmlDocImpl()->focusNode();
03344 if (!d->m_caretViewContext->visible && (m_part->isCaretMode()
03345 || m_part->isEditable()
03346 || (caretNode && caretNode->renderer()
03347 && caretNode->renderer()->style()->userInput()
03348 == UI_ENABLED))) {
03349 d->m_caretViewContext->visible = true;
03350 showCaret(true);
03351 }
03352 break;
03353 }
03354 case KHTMLPart::CaretBlink:
03355
03356 break;
03357 }
03358 }
03359 #endif // KHTML_NO_CARET
03360
03361 if ( d->cursor_icon_widget )
03362 d->cursor_icon_widget->hide();
03363
03364 QScrollView::focusOutEvent( e );
03365 }
03366
03367 void KHTMLView::slotScrollBarMoved()
03368 {
03369 if ( !d->firstRelayout && !d->complete && m_part->xmlDocImpl() &&
03370 d->layoutSchedulingEnabled) {
03371
03372 khtml::RenderCanvas* root = static_cast<khtml::RenderCanvas *>( m_part->xmlDocImpl()->renderer() );
03373 if (root && root->needsLayout()) {
03374 unscheduleRelayout();
03375 layout();
03376 }
03377 }
03378 if (!d->scrollingSelf) {
03379 d->scrollBarMoved = true;
03380 d->contentsMoving = true;
03381
03382 scheduleRepaint(0, 0, 0, 0);
03383 }
03384 }
03385
03386 void KHTMLView::timerEvent ( QTimerEvent *e )
03387 {
03388
03389 if ( e->timerId() == d->scrollTimerId ) {
03390 if( d->scrollSuspended )
03391 return;
03392 switch (d->scrollDirection) {
03393 case KHTMLViewPrivate::ScrollDown:
03394 if (contentsY() + visibleHeight () >= contentsHeight())
03395 d->newScrollTimer(this, 0);
03396 else
03397 scrollBy( 0, d->scrollBy );
03398 break;
03399 case KHTMLViewPrivate::ScrollUp:
03400 if (contentsY() <= 0)
03401 d->newScrollTimer(this, 0);
03402 else
03403 scrollBy( 0, -d->scrollBy );
03404 break;
03405 case KHTMLViewPrivate::ScrollRight:
03406 if (contentsX() + visibleWidth () >= contentsWidth())
03407 d->newScrollTimer(this, 0);
03408 else
03409 scrollBy( d->scrollBy, 0 );
03410 break;
03411 case KHTMLViewPrivate::ScrollLeft:
03412 if (contentsX() <= 0)
03413 d->newScrollTimer(this, 0);
03414 else
03415 scrollBy( -d->scrollBy, 0 );
03416 break;
03417 }
03418 return;
03419 }
03420 else if ( e->timerId() == d->layoutTimerId ) {
03421 d->dirtyLayout = true;
03422 layout();
03423 if (d->firstRelayout) {
03424 d->firstRelayout = false;
03425 verticalScrollBar()->setEnabled( true );
03426 horizontalScrollBar()->setEnabled( true );
03427 }
03428 }
03429 #ifndef KHTML_NO_CARET
03430 else if (d->m_caretViewContext
03431 && e->timerId() == d->m_caretViewContext->freqTimerId) {
03432 d->m_caretViewContext->visible = !d->m_caretViewContext->visible;
03433 if (d->m_caretViewContext->displayed) {
03434 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03435 d->m_caretViewContext->width,
03436 d->m_caretViewContext->height);
03437 }
03438
03439
03440 return;
03441 }
03442 #endif
03443
03444 d->contentsMoving = false;
03445 if( m_part->xmlDocImpl() ) {
03446 DOM::DocumentImpl *document = m_part->xmlDocImpl();
03447 khtml::RenderCanvas* root = static_cast<khtml::RenderCanvas *>(document->renderer());
03448
03449 if ( root && root->needsLayout() ) {
03450 killTimer(d->repaintTimerId);
03451 d->repaintTimerId = 0;
03452 scheduleRelayout();
03453 return;
03454 }
03455 }
03456
03457 setStaticBackground(d->useSlowRepaints);
03458
03459
03460 killTimer(d->repaintTimerId);
03461 d->repaintTimerId = 0;
03462
03463 QRect updateRegion;
03464 QMemArray<QRect> rects = d->updateRegion.rects();
03465
03466 d->updateRegion = QRegion();
03467
03468 if ( rects.size() )
03469 updateRegion = rects[0];
03470
03471 for ( unsigned i = 1; i < rects.size(); ++i ) {
03472 QRect newRegion = updateRegion.unite(rects[i]);
03473 if (2*newRegion.height() > 3*updateRegion.height() )
03474 {
03475 repaintContents( updateRegion );
03476 updateRegion = rects[i];
03477 }
03478 else
03479 updateRegion = newRegion;
03480 }
03481
03482 if ( !updateRegion.isNull() )
03483 repaintContents( updateRegion );
03484
03485
03486
03487
03488
03489
03490 if (d->dirtyLayout && !d->visibleWidgets.isEmpty()) {
03491 QWidget* w;
03492 d->dirtyLayout = false;
03493
03494 QRect visibleRect(contentsX(), contentsY(), visibleWidth(), visibleHeight());
03495 QPtrList<RenderWidget> toRemove;
03496 for (QPtrDictIterator<QWidget> it(d->visibleWidgets); it.current(); ++it) {
03497 int xp = 0, yp = 0;
03498 w = it.current();
03499 RenderWidget* rw = static_cast<RenderWidget*>( it.currentKey() );
03500 if (!rw->absolutePosition(xp, yp) ||
03501 !visibleRect.intersects(QRect(xp, yp, w->width(), w->height())))
03502 toRemove.append(rw);
03503 }
03504 for (RenderWidget* r = toRemove.first(); r; r = toRemove.next())
03505 if ( (w = d->visibleWidgets.take(r) ) )
03506 addChild(w, 0, -500000);
03507 }
03508
03509 emit repaintAccessKeys();
03510 if (d->emitCompletedAfterRepaint) {
03511 bool full = d->emitCompletedAfterRepaint == KHTMLViewPrivate::CSFull;
03512 d->emitCompletedAfterRepaint = KHTMLViewPrivate::CSNone;
03513 if ( full )
03514 emit m_part->completed();
03515 else
03516 emit m_part->completed(true);
03517 }
03518 }
03519
03520 void KHTMLView::scheduleRelayout(khtml::RenderObject * )
03521 {
03522 if (!d->layoutSchedulingEnabled || d->layoutTimerId)
03523 return;
03524
03525 d->layoutTimerId = startTimer( m_part->xmlDocImpl() && m_part->xmlDocImpl()->parsing()
03526 ? 1000 : 0 );
03527 }
03528
03529 void KHTMLView::unscheduleRelayout()
03530 {
03531 if (!d->layoutTimerId)
03532 return;
03533
03534 killTimer(d->layoutTimerId);
03535 d->layoutTimerId = 0;
03536 }
03537
03538 void KHTMLView::unscheduleRepaint()
03539 {
03540 if (!d->repaintTimerId)
03541 return;
03542
03543 killTimer(d->repaintTimerId);
03544 d->repaintTimerId = 0;
03545 }
03546
03547 void KHTMLView::scheduleRepaint(int x, int y, int w, int h, bool asap)
03548 {
03549 bool parsing = !m_part->xmlDocImpl() || m_part->xmlDocImpl()->parsing();
03550
03551
03552
03553
03554 int time = parsing ? 300 : (!asap ? ( !d->complete ? 100 : 20 ) : 0);
03555
03556 #ifdef DEBUG_FLICKER
03557 QPainter p;
03558 p.begin( viewport() );
03559
03560 int vx, vy;
03561 contentsToViewport( x, y, vx, vy );
03562 p.fillRect( vx, vy, w, h, Qt::red );
03563 p.end();
03564 #endif
03565
03566 d->updateRegion = d->updateRegion.unite(QRect(x,y,w,h));
03567
03568 if (asap && !parsing)
03569 unscheduleRepaint();
03570
03571 if ( !d->repaintTimerId )
03572 d->repaintTimerId = startTimer( time );
03573
03574
03575 }
03576
03577 void KHTMLView::complete( bool pendingAction )
03578 {
03579
03580
03581 d->complete = true;
03582
03583
03584 if (d->layoutTimerId)
03585 {
03586
03587
03588 killTimer(d->layoutTimerId);
03589 d->layoutTimerId = startTimer( 0 );
03590 d->emitCompletedAfterRepaint = pendingAction ?
03591 KHTMLViewPrivate::CSActionPending : KHTMLViewPrivate::CSFull;
03592 }
03593
03594
03595 if (d->repaintTimerId)
03596 {
03597
03598
03599 killTimer(d->repaintTimerId);
03600 d->repaintTimerId = startTimer( 20 );
03601 d->emitCompletedAfterRepaint = pendingAction ?
03602 KHTMLViewPrivate::CSActionPending : KHTMLViewPrivate::CSFull;
03603 }
03604
03605 if (!d->emitCompletedAfterRepaint)
03606 {
03607 if (!pendingAction)
03608 emit m_part->completed();
03609 else
03610 emit m_part->completed(true);
03611 }
03612
03613 }
03614
03615 void KHTMLView::slotMouseScrollTimer()
03616 {
03617 scrollBy( d->m_mouseScroll_byX, d->m_mouseScroll_byY );
03618 }
03619
03620 #ifndef KHTML_NO_CARET
03621
03622
03623
03624
03625 #include "khtml_caret.cpp"
03626
03627 void KHTMLView::initCaret(bool keepSelection)
03628 {
03629 #if DEBUG_CARETMODE > 0
03630 kdDebug(6200) << "begin initCaret" << endl;
03631 #endif
03632
03633 if (m_part->xmlDocImpl()) {
03634 #if 0
03635 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__");
03636 if (listitem) dumpLineBoxes(static_cast<RenderFlow *>(listitem->renderer()));
03637 #endif
03638 d->caretViewContext();
03639 bool cmoved = d->m_caretViewContext->caretMoved;
03640 if (m_part->d->caretNode().isNull()) {
03641
03642 m_part->d->caretNode() = m_part->document();
03643 m_part->d->caretOffset() = 0L;
03644
03645
03646
03647 if (!m_part->d->caretNode().handle()->renderer()) return;
03648 }
03649
03650
03651
03652 moveCaretTo(m_part->d->caretNode().handle(), m_part->d->caretOffset(), !keepSelection);
03653
03654
03655 d->m_caretViewContext->caretMoved = cmoved;
03656 }
03657 #if DEBUG_CARETMODE > 0
03658 kdDebug(6200) << "end initCaret" << endl;
03659 #endif
03660 }
03661
03662 bool KHTMLView::caretOverrides() const
03663 {
03664 bool cm = m_part->isCaretMode();
03665 bool dm = m_part->isEditable();
03666 return cm && !dm ? false
03667 : (dm || m_part->d->caretNode().handle()->contentEditable())
03668 && d->editorContext()->override;
03669 }
03670
03671 void KHTMLView::ensureNodeHasFocus(NodeImpl *node)
03672 {
03673 if (m_part->isCaretMode() || m_part->isEditable()) return;
03674 if (node->focused()) return;
03675
03676
03677 NodeImpl *firstAncestor = 0;
03678 while (node) {
03679 if (node->renderer()
03680 && node->renderer()->style()->userInput() != UI_ENABLED)
03681 break;
03682 firstAncestor = node;
03683 node = node->parentNode();
03684 }
03685
03686 if (!node) firstAncestor = 0;
03687
03688 DocumentImpl *doc = m_part->xmlDocImpl();
03689
03690 if (!firstAncestor && doc->focusNode() && doc->focusNode()->renderer()
03691 && doc->focusNode()->renderer()->isWidget())
03692 return;
03693
03694
03695 #if DEBUG_CARETMODE > 1
03696 kdDebug(6200) << k_funcinfo << "firstAncestor " << firstAncestor << ": "
03697 << (firstAncestor ? firstAncestor->nodeName().string() : QString::null) << endl;
03698 #endif
03699 doc->setFocusNode(firstAncestor);
03700 emit m_part->nodeActivated(Node(firstAncestor));
03701 }
03702
03703 void KHTMLView::recalcAndStoreCaretPos(CaretBox *hintBox)
03704 {
03705 if (!m_part || m_part->d->caretNode().isNull()) return;
03706 d->caretViewContext();
03707 NodeImpl *caretNode = m_part->d->caretNode().handle();
03708 #if DEBUG_CARETMODE > 0
03709 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;
03710 #endif
03711 caretNode->getCaret(m_part->d->caretOffset(), caretOverrides(),
03712 d->m_caretViewContext->x, d->m_caretViewContext->y,
03713 d->m_caretViewContext->width,
03714 d->m_caretViewContext->height);
03715
03716 if (hintBox && d->m_caretViewContext->x == -1) {
03717 #if DEBUG_CARETMODE > 1
03718 kdDebug(6200) << "using hint inline box coordinates" << endl;
03719 #endif
03720 RenderObject *r = caretNode->renderer();
03721 const QFontMetrics &fm = r->style()->fontMetrics();
03722 int absx, absy;
03723 r->containingBlock()->absolutePosition(absx, absy,
03724 false);
03725 d->m_caretViewContext->x = absx + hintBox->xPos();
03726 d->m_caretViewContext->y = absy + hintBox->yPos();
03727
03728 d->m_caretViewContext->width = 1;
03729
03730
03731 d->m_caretViewContext->height = fm.height();
03732 }
03733
03734 #if DEBUG_CARETMODE > 4
03735
03736 #endif
03737 #if DEBUG_CARETMODE > 0
03738 kdDebug(6200) << "caret: ofs="<<m_part->d->caretOffset()<<" "
03739 <<" x="<<d->m_caretViewContext->x<<" y="<<d->m_caretViewContext->y
03740 <<" h="<<d->m_caretViewContext->height<<endl;
03741 #endif
03742 }
03743
03744 void KHTMLView::caretOn()
03745 {
03746 if (d->m_caretViewContext) {
03747 killTimer(d->m_caretViewContext->freqTimerId);
03748
03749 if (hasFocus() || d->m_caretViewContext->displayNonFocused
03750 == KHTMLPart::CaretBlink) {
03751 d->m_caretViewContext->freqTimerId = startTimer(500);
03752 } else {
03753 d->m_caretViewContext->freqTimerId = -1;
03754 }
03755
03756 d->m_caretViewContext->visible = true;
03757 if ((d->m_caretViewContext->displayed = (hasFocus()
03758 || d->m_caretViewContext->displayNonFocused
03759 != KHTMLPart::CaretInvisible))) {
03760 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03761 d->m_caretViewContext->width,
03762 d->m_caretViewContext->height);
03763 }
03764
03765 }
03766 }
03767
03768 void KHTMLView::caretOff()
03769 {
03770 if (d->m_caretViewContext) {
03771 killTimer(d->m_caretViewContext->freqTimerId);
03772 d->m_caretViewContext->freqTimerId = -1;
03773 d->m_caretViewContext->displayed = false;
03774 if (d->m_caretViewContext->visible) {
03775 d->m_caretViewContext->visible = false;
03776 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03777 d->m_caretViewContext->width,
03778 d->m_caretViewContext->height);
03779 }
03780
03781 }
03782 }
03783
03784 void KHTMLView::showCaret(bool forceRepaint)
03785 {
03786 if (d->m_caretViewContext) {
03787 d->m_caretViewContext->displayed = true;
03788 if (d->m_caretViewContext->visible) {
03789 if (!forceRepaint) {
03790 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03791 d->m_caretViewContext->width,
03792 d->m_caretViewContext->height);
03793 } else {
03794 repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03795 d->m_caretViewContext->width,
03796 d->m_caretViewContext->height);
03797 }
03798 }
03799
03800 }
03801 }
03802
03803 bool KHTMLView::foldSelectionToCaret(NodeImpl *startNode, long startOffset,
03804 NodeImpl *endNode, long endOffset)
03805 {
03806 m_part->d->m_selectionStart = m_part->d->m_selectionEnd = m_part->d->caretNode();
03807 m_part->d->m_startOffset = m_part->d->m_endOffset = m_part->d->caretOffset();
03808 m_part->d->m_extendAtEnd = true;
03809
03810 bool folded = startNode != endNode || startOffset != endOffset;
03811
03812
03813 if (folded) {
03814 m_part->xmlDocImpl()->clearSelection();
03815 }
03816
03817 return folded;
03818 }
03819
03820 void KHTMLView::hideCaret()
03821 {
03822 if (d->m_caretViewContext) {
03823 if (d->m_caretViewContext->visible) {
03824
03825 d->m_caretViewContext->visible = false;
03826
03827
03828 repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03829 d->m_caretViewContext->width,
03830 d->m_caretViewContext->height);
03831 d->m_caretViewContext->visible = true;
03832 }
03833 d->m_caretViewContext->displayed = false;
03834
03835 }
03836 }
03837
03838 int KHTMLView::caretDisplayPolicyNonFocused() const
03839 {
03840 if (d->m_caretViewContext)
03841 return d->m_caretViewContext->displayNonFocused;
03842 else
03843 return KHTMLPart::CaretInvisible;
03844 }
03845
03846 void KHTMLView::setCaretDisplayPolicyNonFocused(int policy)
03847 {
03848 d->caretViewContext();
03849
03850 d->m_caretViewContext->displayNonFocused = (KHTMLPart::CaretDisplayPolicy)policy;
03851
03852
03853 if (!hasFocus()) {
03854 switch (d->m_caretViewContext->displayNonFocused) {
03855 case KHTMLPart::CaretInvisible:
03856 hideCaret();
03857 break;
03858 case KHTMLPart::CaretBlink:
03859 if (d->m_caretViewContext->freqTimerId != -1) break;
03860 d->m_caretViewContext->freqTimerId = startTimer(500);
03861
03862 case KHTMLPart::CaretVisible:
03863 d->m_caretViewContext->displayed = true;
03864 showCaret();
03865 break;
03866 }
03867 }
03868 }
03869
03870 bool KHTMLView::placeCaret(CaretBox *hintBox)
03871 {
03872 CaretViewContext *cv = d->caretViewContext();
03873 caretOff();
03874 NodeImpl *caretNode = m_part->d->caretNode().handle();
03875
03876 if (!caretNode || !caretNode->renderer()) return false;
03877 ensureNodeHasFocus(caretNode);
03878 if (m_part->isCaretMode() || m_part->isEditable()
03879 || caretNode->renderer()->style()->userInput() == UI_ENABLED) {
03880 recalcAndStoreCaretPos(hintBox);
03881
03882 cv->origX = cv->x;
03883
03884 caretOn();
03885 return true;
03886 }
03887 return false;
03888 }
03889
03890 void KHTMLView::ensureCaretVisible()
03891 {
03892 CaretViewContext *cv = d->m_caretViewContext;
03893 if (!cv) return;
03894 ensureVisible(cv->x, cv->y, cv->width, cv->height);
03895 d->scrollBarMoved = false;
03896 }
03897
03898 bool KHTMLView::extendSelection(NodeImpl *oldStartSel, long oldStartOfs,
03899 NodeImpl *oldEndSel, long oldEndOfs)
03900 {
03901 bool changed = false;
03902 if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd
03903 && m_part->d->m_startOffset == m_part->d->m_endOffset) {
03904 changed = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
03905 m_part->d->m_extendAtEnd = true;
03906 } else do {
03907 changed = m_part->d->m_selectionStart.handle() != oldStartSel
03908 || m_part->d->m_startOffset != oldStartOfs
03909 || m_part->d->m_selectionEnd.handle() != oldEndSel
03910 || m_part->d->m_endOffset != oldEndOfs;
03911 if (!changed) break;
03912
03913
03914 NodeImpl *startNode;
03915 long startOffset;
03916 if (m_part->d->m_extendAtEnd) {
03917 startNode = m_part->d->m_selectionStart.handle();
03918 startOffset = m_part->d->m_startOffset;
03919 } else {
03920 startNode = m_part->d->m_selectionEnd.handle();
03921 startOffset = m_part->d->m_endOffset;
03922 m_part->d->m_selectionEnd = m_part->d->m_selectionStart;
03923 m_part->d->m_endOffset = m_part->d->m_startOffset;
03924 m_part->d->m_extendAtEnd = true;
03925 }
03926
03927 bool swapNeeded = false;
03928 if (!m_part->d->m_selectionEnd.isNull() && startNode) {
03929 swapNeeded = RangeImpl::compareBoundaryPoints(startNode, startOffset,
03930 m_part->d->m_selectionEnd.handle(),
03931 m_part->d->m_endOffset) >= 0;
03932 }
03933
03934 m_part->d->m_selectionStart = startNode;
03935 m_part->d->m_startOffset = startOffset;
03936
03937 if (swapNeeded) {
03938 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionEnd.handle(),
03939 m_part->d->m_endOffset, m_part->d->m_selectionStart.handle(),
03940 m_part->d->m_startOffset);
03941 } else {
03942 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(),
03943 m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(),
03944 m_part->d->m_endOffset);
03945 }
03946 } while(false);
03947 return changed;
03948 }
03949
03950 void KHTMLView::updateSelection(NodeImpl *oldStartSel, long oldStartOfs,
03951 NodeImpl *oldEndSel, long oldEndOfs)
03952 {
03953 if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd
03954 && m_part->d->m_startOffset == m_part->d->m_endOffset) {
03955 if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs)) {
03956 m_part->emitSelectionChanged();
03957 }
03958 m_part->d->m_extendAtEnd = true;
03959 } else {
03960
03961 if (!m_part->d->m_selectionEnd.isNull() && !m_part->d->m_selectionEnd.isNull()) {
03962 bool swapNeeded = RangeImpl::compareBoundaryPoints(
03963 m_part->d->m_selectionStart.handle(), m_part->d->m_startOffset,
03964 m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset) >= 0;
03965 if (swapNeeded) {
03966 DOM::Node tmpNode = m_part->d->m_selectionStart;
03967 long tmpOffset = m_part->d->m_startOffset;
03968 m_part->d->m_selectionStart = m_part->d->m_selectionEnd;
03969 m_part->d->m_startOffset = m_part->d->m_endOffset;
03970 m_part->d->m_selectionEnd = tmpNode;
03971 m_part->d->m_endOffset = tmpOffset;
03972 m_part->d->m_startBeforeEnd = true;
03973 m_part->d->m_extendAtEnd = !m_part->d->m_extendAtEnd;
03974 }
03975 }
03976
03977 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(),
03978 m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(),
03979 m_part->d->m_endOffset);
03980 m_part->emitSelectionChanged();
03981 }
03982 }
03983
03984 void KHTMLView::caretKeyPressEvent(QKeyEvent *_ke)
03985 {
03986 NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle();
03987 long oldStartOfs = m_part->d->m_startOffset;
03988 NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle();
03989 long oldEndOfs = m_part->d->m_endOffset;
03990
03991 NodeImpl *oldCaretNode = m_part->d->caretNode().handle();
03992 long oldOffset = m_part->d->caretOffset();
03993
03994 bool ctrl = _ke->state() & ControlButton;
03995
03996
03997 switch(_ke->key()) {
03998 case Key_Space:
03999 break;
04000
04001 case Key_Down:
04002 moveCaretNextLine(1);
04003 break;
04004
04005 case Key_Up:
04006 moveCaretPrevLine(1);
04007 break;
04008
04009 case Key_Left:
04010 moveCaretBy(false, ctrl ? CaretByWord : CaretByCharacter, 1);
04011 break;
04012
04013 case Key_Right:
04014 moveCaretBy(true, ctrl ? CaretByWord : CaretByCharacter, 1);
04015 break;
04016
04017 case Key_Next:
04018 moveCaretNextPage();
04019 break;
04020
04021 case Key_Prior:
04022 moveCaretPrevPage();
04023 break;
04024
04025 case Key_Home:
04026 if (ctrl)
04027 moveCaretToDocumentBoundary(false);
04028 else
04029 moveCaretToLineBegin();
04030 break;
04031
04032 case Key_End:
04033 if (ctrl)
04034 moveCaretToDocumentBoundary(true);
04035 else
04036 moveCaretToLineEnd();
04037 break;
04038
04039 }
04040
04041 if ((m_part->d->caretNode().handle() != oldCaretNode
04042 || m_part->d->caretOffset() != oldOffset)
04043
04044 && !m_part->d->caretNode().isNull()) {
04045
04046 d->m_caretViewContext->caretMoved = true;
04047
04048 if (_ke->state() & ShiftButton) {
04049 updateSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04050 } else {
04051 if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs))
04052 m_part->emitSelectionChanged();
04053 }
04054
04055 m_part->emitCaretPositionChanged(m_part->d->caretNode(), m_part->d->caretOffset());
04056 }
04057
04058 _ke->accept();
04059 }
04060
04061 bool KHTMLView::moveCaretTo(NodeImpl *node, long offset, bool clearSel)
04062 {
04063 if (!node) return false;
04064 ElementImpl *baseElem = determineBaseElement(node);
04065 RenderFlow *base = static_cast<RenderFlow *>(baseElem ? baseElem->renderer() : 0);
04066 if (!node) return false;
04067
04068
04069
04070
04071 CaretBoxLineDeleter cblDeleter;
04072
04073 long r_ofs;
04074 CaretBoxIterator cbit;
04075 CaretBoxLine *cbl = findCaretBoxLine(node, offset, &cblDeleter, base, r_ofs, cbit);
04076 if(!cbl) {
04077 kdWarning() << "KHTMLView::moveCaretTo - findCaretBoxLine() returns NULL" << endl;
04078 return false;
04079 }
04080
04081 #if DEBUG_CARETMODE > 3
04082 if (cbl) kdDebug(6200) << cbl->information() << endl;
04083 #endif
04084 CaretBox *box = *cbit;
04085 if (cbit != cbl->end() && box->object() != node->renderer()) {
04086 if (box->object()->element()) {
04087 mapRenderPosToDOMPos(box->object(), r_ofs, box->isOutside(),
04088 box->isOutsideEnd(), node, offset);
04089
04090 #if DEBUG_CARETMODE > 1
04091 kdDebug(6200) << "set new node " << node->nodeName().string() << "@" << node << endl;
04092 #endif
04093 } else {
04094
04095 box = 0;
04096 kdError(6200) << "Box contains no node! Crash imminent" << endl;
04097 }
04098 }
04099
04100 NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle();
04101 long oldStartOfs = m_part->d->m_startOffset;
04102 NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle();
04103 long oldEndOfs = m_part->d->m_endOffset;
04104
04105
04106 bool posChanged = m_part->d->caretNode().handle() != node
04107 || m_part->d->caretOffset() != offset;
04108 bool selChanged = false;
04109
04110 m_part->d->caretNode() = node;
04111 m_part->d->caretOffset() = offset;
04112 if (clearSel || !oldStartSel || !oldEndSel) {
04113 selChanged = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04114 } else {
04115
04116
04117 selChanged = extendSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04118
04119
04120 }
04121
04122 d->caretViewContext()->caretMoved = true;
04123
04124 bool visible_caret = placeCaret(box);
04125
04126
04127
04128
04129 if (posChanged) {
04130 m_part->emitCaretPositionChanged(visible_caret ? node : 0, offset);
04131 }
04132
04133 return selChanged;
04134 }
04135
04136 void KHTMLView::moveCaretByLine(bool next, int count)
04137 {
04138 Node &caretNodeRef = m_part->d->caretNode();
04139 if (caretNodeRef.isNull()) return;
04140
04141 NodeImpl *caretNode = caretNodeRef.handle();
04142
04143 long offset = m_part->d->caretOffset();
04144
04145 CaretViewContext *cv = d->caretViewContext();
04146
04147 ElementImpl *baseElem = determineBaseElement(caretNode);
04148 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04149
04150 ErgonomicEditableLineIterator it(ld.current(), cv->origX);
04151
04152
04153 while (count > 0 && it != ld.end() && it != ld.preBegin()) {
04154 count--;
04155 if (next) ++it; else --it;
04156 }
04157
04158
04159 if (it == ld.end() || it == ld.preBegin()) return;
04160
04161 int x, absx, absy;
04162 CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy);
04163
04164 placeCaretOnLine(caretBox, x, absx, absy);
04165 }
04166
04167 void KHTMLView::placeCaretOnLine(CaretBox *caretBox, int x, int absx, int absy)
04168 {
04169
04170 if (!caretBox) return;
04171
04172 RenderObject *caretRender = caretBox->object();
04173
04174 #if DEBUG_CARETMODE > 0
04175 kdDebug(6200) << "got valid caretBox " << caretBox << endl;
04176 kdDebug(6200) << "xPos: " << caretBox->xPos() << " yPos: " << caretBox->yPos()
04177 << " width: " << caretBox->width() << " height: " << caretBox->height() << endl;
04178 InlineTextBox *tb = static_cast<InlineTextBox *>(caretBox->inlineBox());
04179 if (caretBox->isInlineTextBox()) { kdDebug(6200) << "contains \"" << QString(static_cast<RenderText *>(tb->object())->str->s + tb->m_start, tb->m_len) << "\"" << endl;}
04180 #endif
04181
04182 int caretHeight = caretBox->height();
04183 bool isText = caretBox->isInlineTextBox();
04184 int yOfs = 0;
04185 if (isText) {
04186
04187 RenderText *t = static_cast<RenderText *>(caretRender);
04188 const QFontMetrics &fm = t->metrics(caretBox->inlineBox()->m_firstLine);
04189 caretHeight = fm.height();
04190 yOfs = caretBox->inlineBox()->baseline() - fm.ascent();
04191 }
04192
04193 caretOff();
04194
04195
04196 NodeImpl *caretNode;
04197 long &offset = m_part->d->caretOffset();
04198 mapRenderPosToDOMPos(caretRender, offset, caretBox->isOutside(),
04199 caretBox->isOutsideEnd(), caretNode, offset);
04200
04201
04202 d->m_caretViewContext->y = caretBox->yPos() + yOfs;
04203 d->m_caretViewContext->height = caretHeight;
04204 d->m_caretViewContext->width = 1;
04205
04206 int xPos = caretBox->xPos();
04207 int caretBoxWidth = caretBox->width();
04208 d->m_caretViewContext->x = xPos;
04209
04210 if (!caretBox->isOutside()) {
04211
04212 long r_ofs = 0;
04213 if (x <= xPos) {
04214 r_ofs = caretBox->minOffset();
04215
04216 } else if (x > xPos && x <= xPos + caretBoxWidth) {
04217 if (isText) {
04218 r_ofs = static_cast<InlineTextBox *>(caretBox->inlineBox())
04219 ->offsetForPoint(x, d->m_caretViewContext->x);
04220 #if DEBUG_CARETMODE > 2
04221 kdDebug(6200) << "deviation from origX " << d->m_caretViewContext->x - x << endl;
04222 #endif
04223 #if 0
04224 } else {
04225 if (xPos + caretBoxWidth - x < x - xPos) {
04226 d->m_caretViewContext->x = xPos + caretBoxWidth;
04227 r_ofs = caretNode ? caretNode->maxOffset() : 1;
04228 } else {
04229 d->m_caretViewContext->x = xPos;
04230 r_ofs = caretNode ? caretNode->minOffset() : 0;
04231 }
04232 #endif
04233 }
04234 } else {
04235 d->m_caretViewContext->x = xPos + caretBoxWidth;
04236 r_ofs = caretBox->maxOffset();
04237 }
04238 offset = r_ofs;
04239 }
04240 #if DEBUG_CARETMODE > 0
04241 kdDebug(6200) << "new offset: " << offset << endl;
04242 #endif
04243
04244 m_part->d->caretNode() = caretNode;
04245 m_part->d->caretOffset() = offset;
04246
04247 d->m_caretViewContext->x += absx;
04248 d->m_caretViewContext->y += absy;
04249
04250 #if DEBUG_CARETMODE > 1
04251 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;
04252 #endif
04253
04254 ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y,
04255 d->m_caretViewContext->width, d->m_caretViewContext->height);
04256 d->scrollBarMoved = false;
04257
04258 ensureNodeHasFocus(caretNode);
04259 caretOn();
04260 }
04261
04262 void KHTMLView::moveCaretToLineBoundary(bool end)
04263 {
04264 Node &caretNodeRef = m_part->d->caretNode();
04265 if (caretNodeRef.isNull()) return;
04266
04267 NodeImpl *caretNode = caretNodeRef.handle();
04268
04269 long offset = m_part->d->caretOffset();
04270
04271 ElementImpl *baseElem = determineBaseElement(caretNode);
04272 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04273
04274 EditableLineIterator it = ld.current();
04275 if (it == ld.end()) return;
04276
04277 EditableCaretBoxIterator fbit(it, end);
04278 Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin());
04279 CaretBox *b = *fbit;
04280
04281 RenderObject *cb = b->containingBlock();
04282 int absx, absy;
04283
04284 if (cb) cb->absolutePosition(absx,absy);
04285 else absx = absy = 0;
04286
04287 int x = b->xPos() + (end && !b->isOutside() ? b->width() : 0);
04288 d->m_caretViewContext->origX = absx + x;
04289 placeCaretOnLine(b, x, absx, absy);
04290 }
04291
04292 void KHTMLView::moveCaretToDocumentBoundary(bool end)
04293 {
04294 Node &caretNodeRef = m_part->d->caretNode();
04295 if (caretNodeRef.isNull()) return;
04296
04297 NodeImpl *caretNode = caretNodeRef.handle();
04298
04299 long offset = m_part->d->caretOffset();
04300
04301 ElementImpl *baseElem = determineBaseElement(caretNode);
04302 LinearDocument ld(m_part, caretNode, offset, IndicatedFlows, baseElem);
04303
04304 EditableLineIterator it(end ? ld.preEnd() : ld.begin(), end);
04305 if (it == ld.end() || it == ld.preBegin()) return;
04306
04307 EditableCaretBoxIterator fbit = it;
04308 Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin());
04309 CaretBox *b = *fbit;
04310
04311 RenderObject *cb = (*it)->containingBlock();
04312 int absx, absy;
04313
04314 if (cb) cb->absolutePosition(absx, absy);
04315 else absx = absy = 0;
04316
04317 int x = b->xPos();
04318 d->m_caretViewContext->origX = absx + x;
04319 placeCaretOnLine(b, x, absx, absy);
04320 }
04321
04322 void KHTMLView::moveCaretBy(bool next, CaretMovement cmv, int count)
04323 {
04324 if (!m_part) return;
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 CaretAdvancePolicy advpol = cmv != CaretByWord ? IndicatedFlows : LeafsOnly;
04334 LinearDocument ld(m_part, caretNode, offset, advpol, baseElem);
04335
04336 EditableCharacterIterator it(&ld);
04337 while (!it.isEnd() && count > 0) {
04338 count--;
04339 if (cmv == CaretByCharacter) {
04340 if (next) ++it;
04341 else --it;
04342 } else if (cmv == CaretByWord) {
04343 if (next) moveItToNextWord(it);
04344 else moveItToPrevWord(it);
04345 }
04346
04347 }
04348 CaretBox *hintBox = 0;
04349 if (!it.isEnd()) {
04350 NodeImpl *node = caretNodeRef.handle();
04351 hintBox = it.caretBox();
04352
04353
04354 mapRenderPosToDOMPos(it.renderer(), it.offset(), hintBox->isOutside(),
04355 hintBox->isOutsideEnd(), node, offset);
04356
04357 caretNodeRef = node;
04358 #if DEBUG_CARETMODE > 2
04359 kdDebug(6200) << "set by valid node " << node << " " << (node?node->nodeName().string():QString::null) << " offset: " << offset << endl;
04360 #endif
04361 } else {
04362 offset = next ? caretNode->maxOffset() : caretNode->minOffset();
04363 #if DEBUG_CARETMODE > 0
04364 kdDebug(6200) << "set by INvalid node. offset: " << offset << endl;
04365 #endif
04366 }
04367 placeCaretOnChar(hintBox);
04368 }
04369
04370 void KHTMLView::placeCaretOnChar(CaretBox *hintBox)
04371 {
04372 caretOff();
04373 recalcAndStoreCaretPos(hintBox);
04374 ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y,
04375 d->m_caretViewContext->width, d->m_caretViewContext->height);
04376 d->m_caretViewContext->origX = d->m_caretViewContext->x;
04377 d->scrollBarMoved = false;
04378 #if DEBUG_CARETMODE > 3
04379
04380 #endif
04381 ensureNodeHasFocus(m_part->d->caretNode().handle());
04382 caretOn();
04383 }
04384
04385 void KHTMLView::moveCaretByPage(bool next)
04386 {
04387 Node &caretNodeRef = m_part->d->caretNode();
04388 if (caretNodeRef.isNull()) return;
04389
04390 NodeImpl *caretNode = caretNodeRef.handle();
04391
04392 long offset = m_part->d->caretOffset();
04393
04394 int offs = (clipper()->height() < 30) ? clipper()->height() : 30;
04395
04396 int mindist = clipper()->height() - offs;
04397
04398 CaretViewContext *cv = d->caretViewContext();
04399
04400
04401 ElementImpl *baseElem = determineBaseElement(caretNode);
04402 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04403
04404 ErgonomicEditableLineIterator it(ld.current(), cv->origX);
04405
04406 moveIteratorByPage(ld, it, mindist, next);
04407
04408 int x, absx, absy;
04409 CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy);
04410
04411 placeCaretOnLine(caretBox, x, absx, absy);
04412 }
04413
04414 void KHTMLView::moveCaretPrevWord()
04415 {
04416 moveCaretBy(false, CaretByWord, 1);
04417 }
04418
04419 void KHTMLView::moveCaretNextWord()
04420 {
04421 moveCaretBy(true, CaretByWord, 1);
04422 }
04423
04424 void KHTMLView::moveCaretPrevLine(int n)
04425 {
04426 moveCaretByLine(false, n);
04427 }
04428
04429 void KHTMLView::moveCaretNextLine(int n)
04430 {
04431 moveCaretByLine(true, n);
04432 }
04433
04434 void KHTMLView::moveCaretPrevPage()
04435 {
04436 moveCaretByPage(false);
04437 }
04438
04439 void KHTMLView::moveCaretNextPage()
04440 {
04441 moveCaretByPage(true);
04442 }
04443
04444 void KHTMLView::moveCaretToLineBegin()
04445 {
04446 moveCaretToLineBoundary(false);
04447 }
04448
04449 void KHTMLView::moveCaretToLineEnd()
04450 {
04451 moveCaretToLineBoundary(true);
04452 }
04453
04454 #endif // KHTML_NO_CARET
04455
04456 #undef DEBUG_CARETMODE