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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 (static_cast<int>(scrollDirection) != direction &&
00285 (static_cast<int>(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 short m_mouseScroll_byX;
00395 short m_mouseScroll_byY;
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 QScrollView* sc = ::qt_cast<QScrollView*>(w);
01087 if (sc && !::qt_cast<QListBox*>(w))
01088 static_cast<khtml::RenderWidget::ScrollViewEventPropagator*>(sc)->sendEvent(&fw);
01089 else if(w)
01090 static_cast<khtml::RenderWidget::EventPropagator*>(w)->sendEvent(&fw);
01091 }
01092
01093 void KHTMLView::viewportMouseMoveEvent( QMouseEvent * _mouse )
01094 {
01095 if ( d->m_mouseScrollTimer ) {
01096 QPoint point = mapFromGlobal( _mouse->globalPos() );
01097
01098 int deltaX = point.x() - d->m_mouseScrollIndicator->x() - 24;
01099 int deltaY = point.y() - d->m_mouseScrollIndicator->y() - 24;
01100
01101 (deltaX > 0) ? d->m_mouseScroll_byX = 1 : d->m_mouseScroll_byX = -1;
01102 (deltaY > 0) ? d->m_mouseScroll_byY = 1 : d->m_mouseScroll_byY = -1;
01103
01104 double adX = QABS(deltaX)/30.0;
01105 double adY = QABS(deltaY)/30.0;
01106
01107 d->m_mouseScroll_byX = kMax(kMin(d->m_mouseScroll_byX * int(adX*adX), SHRT_MAX), SHRT_MIN);
01108 d->m_mouseScroll_byY = kMax(kMin(d->m_mouseScroll_byY * int(adY*adY), SHRT_MAX), SHRT_MIN);
01109
01110 if (d->m_mouseScroll_byX == 0 && d->m_mouseScroll_byY == 0) {
01111 d->m_mouseScrollTimer->stop();
01112 }
01113 else if (!d->m_mouseScrollTimer->isActive()) {
01114 d->m_mouseScrollTimer->changeInterval( 20 );
01115 }
01116 }
01117
01118 if(!m_part->xmlDocImpl()) return;
01119
01120 int xm, ym;
01121 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01122
01123 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseMove );
01124
01125 m_part->xmlDocImpl()->prepareMouseEvent( _mouse->state() & Qt::MouseButtonMask , xm, ym, &mev );
01126
01127
01128
01129
01130
01131 bool swallowEvent = dispatchMouseEvent(EventImpl::MOUSEMOVE_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),false,
01132 0,_mouse,true,DOM::NodeImpl::MouseMove);
01133
01134 if (d->clickCount > 0 &&
01135 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() > QApplication::startDragDistance()) {
01136 d->clickCount = 0;
01137 }
01138
01139
01140 m_part->executeScheduledScript();
01141
01142 DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode();
01143 if (fn && fn != mev.innerNode.handle() &&
01144 fn->renderer() && fn->renderer()->isWidget()) {
01145 forwardPeripheralEvent(static_cast<khtml::RenderWidget*>(fn->renderer()), _mouse, xm, ym);
01146 }
01147
01148 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01149 khtml::RenderStyle* style = (r && r->style()) ? r->style() : 0;
01150 QCursor c;
01151 bool mailtoCursor = false;
01152 switch ( style ? style->cursor() : CURSOR_AUTO) {
01153 case CURSOR_AUTO:
01154 if ( r && r->isText() )
01155 c = KCursor::ibeamCursor();
01156 if ( mev.url.length() && m_part->settings()->changeCursor() ) {
01157 c = m_part->urlCursor();
01158 if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0)
01159 mailtoCursor = true;
01160 }
01161
01162 if (r && r->isFrameSet() && !static_cast<RenderFrameSet*>(r)->noResize())
01163 c = QCursor(static_cast<RenderFrameSet*>(r)->cursorShape());
01164
01165 break;
01166 case CURSOR_CROSS:
01167 c = KCursor::crossCursor();
01168 break;
01169 case CURSOR_POINTER:
01170 c = m_part->urlCursor();
01171 if (mev.url.string().startsWith("mailto:") && mev.url.string().find('@')>0)
01172 mailtoCursor = true;
01173 break;
01174 case CURSOR_PROGRESS:
01175 c = KCursor::workingCursor();
01176 break;
01177 case CURSOR_MOVE:
01178 c = KCursor::sizeAllCursor();
01179 break;
01180 case CURSOR_E_RESIZE:
01181 case CURSOR_W_RESIZE:
01182 c = KCursor::sizeHorCursor();
01183 break;
01184 case CURSOR_N_RESIZE:
01185 case CURSOR_S_RESIZE:
01186 c = KCursor::sizeVerCursor();
01187 break;
01188 case CURSOR_NE_RESIZE:
01189 case CURSOR_SW_RESIZE:
01190 c = KCursor::sizeBDiagCursor();
01191 break;
01192 case CURSOR_NW_RESIZE:
01193 case CURSOR_SE_RESIZE:
01194 c = KCursor::sizeFDiagCursor();
01195 break;
01196 case CURSOR_TEXT:
01197 c = KCursor::ibeamCursor();
01198 break;
01199 case CURSOR_WAIT:
01200 c = KCursor::waitCursor();
01201 break;
01202 case CURSOR_HELP:
01203 c = KCursor::whatsThisCursor();
01204 break;
01205 case CURSOR_DEFAULT:
01206 break;
01207 }
01208
01209 if ( viewport()->cursor().handle() != c.handle() ) {
01210 if( c.handle() == KCursor::arrowCursor().handle()) {
01211 for (KHTMLPart* p = m_part; p; p = p->parentPart())
01212 p->view()->viewport()->unsetCursor();
01213 }
01214 else {
01215 viewport()->setCursor( c );
01216 }
01217 }
01218
01219 if ( mailtoCursor && isVisible() && hasFocus() ) {
01220 #ifdef Q_WS_X11
01221 if( !d->cursor_icon_widget ) {
01222 QPixmap icon_pixmap = KGlobal::iconLoader()->loadIcon( "mail_generic", KIcon::Small, 0, KIcon::DefaultState, 0, true );
01223 d->cursor_icon_widget = new QWidget( NULL, NULL, WX11BypassWM );
01224 XSetWindowAttributes attr;
01225 attr.save_under = True;
01226 XChangeWindowAttributes( qt_xdisplay(), d->cursor_icon_widget->winId(), CWSaveUnder, &attr );
01227 d->cursor_icon_widget->resize( icon_pixmap.width(), icon_pixmap.height());
01228 if( icon_pixmap.mask() )
01229 d->cursor_icon_widget->setMask( *icon_pixmap.mask());
01230 else
01231 d->cursor_icon_widget->clearMask();
01232 d->cursor_icon_widget->setBackgroundPixmap( icon_pixmap );
01233 d->cursor_icon_widget->erase();
01234 }
01235 QPoint c_pos = QCursor::pos();
01236 d->cursor_icon_widget->move( c_pos.x() + 15, c_pos.y() + 15 );
01237 XRaiseWindow( qt_xdisplay(), d->cursor_icon_widget->winId());
01238 QApplication::flushX();
01239 d->cursor_icon_widget->show();
01240 #endif
01241 }
01242 else if ( d->cursor_icon_widget )
01243 d->cursor_icon_widget->hide();
01244
01245 if (r && r->isWidget()) {
01246 _mouse->ignore();
01247 }
01248
01249
01250 d->prevMouseX = xm;
01251 d->prevMouseY = ym;
01252
01253 if (!swallowEvent) {
01254 khtml::MouseMoveEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01255 QApplication::sendEvent( m_part, &event );
01256 }
01257 }
01258
01259 void KHTMLView::viewportMouseReleaseEvent( QMouseEvent * _mouse )
01260 {
01261 bool swallowEvent = false;
01262 int xm, ym;
01263 viewportToContents(_mouse->x(), _mouse->y(), xm, ym);
01264 DOM::NodeImpl::MouseEvent mev( _mouse->stateAfter(), DOM::NodeImpl::MouseRelease );
01265
01266 if ( m_part->xmlDocImpl() )
01267 {
01268 m_part->xmlDocImpl()->prepareMouseEvent( false, xm, ym, &mev );
01269
01270 swallowEvent = dispatchMouseEvent(EventImpl::MOUSEUP_EVENT,mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01271 d->clickCount,_mouse,false,DOM::NodeImpl::MouseRelease);
01272
01273 if (d->clickCount > 0 &&
01274 QPoint(d->clickX-xm,d->clickY-ym).manhattanLength() <= QApplication::startDragDistance()) {
01275 QMouseEvent me(d->isDoubleClick ? QEvent::MouseButtonDblClick : QEvent::MouseButtonRelease,
01276 _mouse->pos(), _mouse->button(), _mouse->state());
01277 dispatchMouseEvent(EventImpl::CLICK_EVENT, mev.innerNode.handle(),mev.innerNonSharedNode.handle(),true,
01278 d->clickCount, &me, true, DOM::NodeImpl::MouseRelease);
01279 }
01280
01281 DOM::NodeImpl* fn = m_part->xmlDocImpl()->focusNode();
01282 if (fn && fn != mev.innerNode.handle() &&
01283 fn->renderer() && fn->renderer()->isWidget() &&
01284 _mouse->button() != MidButton) {
01285 forwardPeripheralEvent(static_cast<khtml::RenderWidget*>(fn->renderer()), _mouse, xm, ym);
01286 }
01287
01288 khtml::RenderObject* r = mev.innerNode.handle() ? mev.innerNode.handle()->renderer() : 0;
01289 if (r && r->isWidget())
01290 _mouse->ignore();
01291 }
01292
01293 if (!swallowEvent) {
01294 khtml::MouseReleaseEvent event( _mouse, xm, ym, mev.url, mev.target, mev.innerNode );
01295 QApplication::sendEvent( m_part, &event );
01296 }
01297 }
01298
01299
01300 bool KHTMLView::dispatchKeyEvent( QKeyEvent *_ke )
01301 {
01302 if (!m_part->xmlDocImpl())
01303 return false;
01304
01305
01306
01307
01308
01309
01310
01311
01312
01313
01314
01315
01316
01317
01318
01319
01320
01321
01322
01323
01324 if( _ke == d->postponed_autorepeat )
01325 {
01326 return false;
01327 }
01328
01329 if( _ke->type() == QEvent::KeyPress )
01330 {
01331 if( !_ke->isAutoRepeat())
01332 {
01333 bool ret = dispatchKeyEventHelper( _ke, false );
01334
01335 if( !ret && dispatchKeyEventHelper( _ke, true ))
01336 ret = true;
01337 return ret;
01338 }
01339 else
01340 {
01341 bool ret = dispatchKeyEventHelper( _ke, true );
01342 if( !ret && d->postponed_autorepeat )
01343 keyPressEvent( d->postponed_autorepeat );
01344 delete d->postponed_autorepeat;
01345 d->postponed_autorepeat = NULL;
01346 return ret;
01347 }
01348 }
01349 else
01350 {
01351
01352
01353 if ( d->postponed_autorepeat ) {
01354 delete d->postponed_autorepeat;
01355 d->postponed_autorepeat = 0;
01356 }
01357
01358 if( !_ke->isAutoRepeat()) {
01359 return dispatchKeyEventHelper( _ke, false );
01360 }
01361 else
01362 {
01363 d->postponed_autorepeat = new QKeyEvent( _ke->type(), _ke->key(), _ke->ascii(), _ke->state(),
01364 _ke->text(), _ke->isAutoRepeat(), _ke->count());
01365 if( _ke->isAccepted())
01366 d->postponed_autorepeat->accept();
01367 else
01368 d->postponed_autorepeat->ignore();
01369 return true;
01370 }
01371 }
01372 }
01373
01374
01375 bool KHTMLView::dispatchKeyEventHelper( QKeyEvent *_ke, bool keypress )
01376 {
01377 DOM::NodeImpl* keyNode = m_part->xmlDocImpl()->focusNode();
01378 if (keyNode) {
01379 return keyNode->dispatchKeyEvent(_ke, keypress);
01380 } else {
01381 return m_part->xmlDocImpl()->dispatchKeyEvent(_ke, keypress);
01382 }
01383 }
01384
01385 void KHTMLView::keyPressEvent( QKeyEvent *_ke )
01386 {
01387 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01388 if(d->typeAheadActivated)
01389 {
01390
01391 if(_ke->key() == Key_BackSpace)
01392 {
01393 d->findString = d->findString.left(d->findString.length() - 1);
01394
01395 if(!d->findString.isEmpty())
01396 {
01397 findAhead(false);
01398 }
01399 else
01400 {
01401 findTimeout();
01402 }
01403
01404 d->timer.start(3000, true);
01405 _ke->accept();
01406 return;
01407 }
01408 else if(_ke->key() == Key_Escape)
01409 {
01410 findTimeout();
01411
01412 _ke->accept();
01413 return;
01414 }
01415 else if(_ke->key() == Key_Space || !_ke->text().stripWhiteSpace().isEmpty())
01416 {
01417 d->findString += _ke->text();
01418
01419 findAhead(true);
01420
01421 d->timer.start(3000, true);
01422 _ke->accept();
01423 return;
01424 }
01425 }
01426 #endif // KHTML_NO_TYPE_AHEAD_FIND
01427
01428 #ifndef KHTML_NO_CARET
01429 if (m_part->isEditable() || m_part->isCaretMode()
01430 || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode()
01431 && m_part->xmlDocImpl()->focusNode()->contentEditable())) {
01432 d->caretViewContext()->keyReleasePending = true;
01433 caretKeyPressEvent(_ke);
01434 return;
01435 }
01436 #endif // KHTML_NO_CARET
01437
01438
01439 if (d->accessKeysEnabled && _ke->key() == Key_Control && _ke->state()==0 && !d->accessKeysActivated)
01440 {
01441 d->accessKeysPreActivate=true;
01442 _ke->accept();
01443 return;
01444 }
01445
01446 if (_ke->key() == Key_Shift && _ke->state()==0)
01447 d->scrollSuspendPreActivate=true;
01448
01449
01450
01451
01452 if (d->accessKeysEnabled && d->accessKeysActivated)
01453 {
01454 int state = ( _ke->state() & ( ShiftButton | ControlButton | AltButton | MetaButton ));
01455 if ( state==0 || state==ShiftButton) {
01456 if (_ke->key() != Key_Shift) accessKeysTimeout();
01457 handleAccessKey( _ke );
01458 _ke->accept();
01459 return;
01460 }
01461 accessKeysTimeout();
01462 }
01463
01464 if ( dispatchKeyEvent( _ke )) {
01465
01466 _ke->accept();
01467 return;
01468 }
01469
01470 int offs = (clipper()->height() < 30) ? clipper()->height() : 30;
01471 if (_ke->state() & Qt::ShiftButton)
01472 switch(_ke->key())
01473 {
01474 case Key_Space:
01475 scrollBy( 0, -clipper()->height() + offs );
01476 if(d->scrollSuspended)
01477 d->newScrollTimer(this, 0);
01478 break;
01479
01480 case Key_Down:
01481 case Key_J:
01482 d->adjustScroller(this, KHTMLViewPrivate::ScrollDown, KHTMLViewPrivate::ScrollUp);
01483 break;
01484
01485 case Key_Up:
01486 case Key_K:
01487 d->adjustScroller(this, KHTMLViewPrivate::ScrollUp, KHTMLViewPrivate::ScrollDown);
01488 break;
01489
01490 case Key_Left:
01491 case Key_H:
01492 d->adjustScroller(this, KHTMLViewPrivate::ScrollLeft, KHTMLViewPrivate::ScrollRight);
01493 break;
01494
01495 case Key_Right:
01496 case Key_L:
01497 d->adjustScroller(this, KHTMLViewPrivate::ScrollRight, KHTMLViewPrivate::ScrollLeft);
01498 break;
01499 }
01500 else
01501 switch ( _ke->key() )
01502 {
01503 case Key_Down:
01504 case Key_J:
01505 if (!d->scrollTimerId || d->scrollSuspended)
01506 scrollBy( 0, 10 );
01507 if (d->scrollTimerId)
01508 d->newScrollTimer(this, 0);
01509 break;
01510
01511 case Key_Space:
01512 case Key_Next:
01513 scrollBy( 0, clipper()->height() - offs );
01514 if(d->scrollSuspended)
01515 d->newScrollTimer(this, 0);
01516 break;
01517
01518 case Key_Up:
01519 case Key_K:
01520 if (!d->scrollTimerId || d->scrollSuspended)
01521 scrollBy( 0, -10 );
01522 if (d->scrollTimerId)
01523 d->newScrollTimer(this, 0);
01524 break;
01525
01526 case Key_Prior:
01527 scrollBy( 0, -clipper()->height() + offs );
01528 if(d->scrollSuspended)
01529 d->newScrollTimer(this, 0);
01530 break;
01531 case Key_Right:
01532 case Key_L:
01533 if (!d->scrollTimerId || d->scrollSuspended)
01534 scrollBy( 10, 0 );
01535 if (d->scrollTimerId)
01536 d->newScrollTimer(this, 0);
01537 break;
01538 case Key_Left:
01539 case Key_H:
01540 if (!d->scrollTimerId || d->scrollSuspended)
01541 scrollBy( -10, 0 );
01542 if (d->scrollTimerId)
01543 d->newScrollTimer(this, 0);
01544 break;
01545 case Key_Enter:
01546 case Key_Return:
01547
01548
01549 if (m_part->xmlDocImpl()) {
01550 NodeImpl *n = m_part->xmlDocImpl()->focusNode();
01551 if (n)
01552 n->setActive();
01553 }
01554 break;
01555 case Key_Home:
01556 setContentsPos( 0, 0 );
01557 if(d->scrollSuspended)
01558 d->newScrollTimer(this, 0);
01559 break;
01560 case Key_End:
01561 setContentsPos( 0, contentsHeight() - visibleHeight() );
01562 if(d->scrollSuspended)
01563 d->newScrollTimer(this, 0);
01564 break;
01565 case Key_Shift:
01566
01567 _ke->ignore();
01568 return;
01569 default:
01570 if (d->scrollTimerId)
01571 d->newScrollTimer(this, 0);
01572 _ke->ignore();
01573 return;
01574 }
01575
01576 _ke->accept();
01577 }
01578
01579 void KHTMLView::findTimeout()
01580 {
01581 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01582 d->typeAheadActivated = false;
01583 d->findString = "";
01584 m_part->setStatusBarText(i18n("Find stopped."), KHTMLPart::BarDefaultText);
01585 m_part->enableFindAheadActions( true );
01586 #endif // KHTML_NO_TYPE_AHEAD_FIND
01587 }
01588
01589 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01590 void KHTMLView::startFindAhead( bool linksOnly )
01591 {
01592 if( linksOnly )
01593 {
01594 d->findLinksOnly = true;
01595 m_part->setStatusBarText(i18n("Starting -- find links as you type"),
01596 KHTMLPart::BarDefaultText);
01597 }
01598 else
01599 {
01600 d->findLinksOnly = false;
01601 m_part->setStatusBarText(i18n("Starting -- find text as you type"),
01602 KHTMLPart::BarDefaultText);
01603 }
01604
01605 m_part->findTextBegin();
01606 d->typeAheadActivated = true;
01607
01608 m_part->enableFindAheadActions( false );
01609 d->timer.start(3000, true);
01610 }
01611
01612 void KHTMLView::findAhead(bool increase)
01613 {
01614 QString status;
01615
01616 if(d->findLinksOnly)
01617 {
01618 m_part->findText(d->findString, KHTMLPart::FindNoPopups |
01619 KHTMLPart::FindLinksOnly, this);
01620 if(m_part->findTextNext())
01621 {
01622 status = i18n("Link found: \"%1\".");
01623 }
01624 else
01625 {
01626 if(increase) KNotifyClient::beep();
01627 status = i18n("Link not found: \"%1\".");
01628 }
01629 }
01630 else
01631 {
01632 m_part->findText(d->findString, KHTMLPart::FindNoPopups, this);
01633 if(m_part->findTextNext())
01634 {
01635 status = i18n("Text found: \"%1\".");
01636 }
01637 else
01638 {
01639 if(increase) KNotifyClient::beep();
01640 status = i18n("Text not found: \"%1\".");
01641 }
01642 }
01643
01644 m_part->setStatusBarText(status.arg(d->findString.lower()),
01645 KHTMLPart::BarDefaultText);
01646 }
01647
01648 void KHTMLView::updateFindAheadTimeout()
01649 {
01650 if( d->typeAheadActivated )
01651 d->timer.start( 3000, true );
01652 }
01653
01654 #endif // KHTML_NO_TYPE_AHEAD_FIND
01655
01656 void KHTMLView::keyReleaseEvent(QKeyEvent *_ke)
01657 {
01658 #ifndef KHTML_NO_TYPE_AHEAD_FIND
01659 if(d->typeAheadActivated) {
01660 _ke->accept();
01661 return;
01662 }
01663 #endif
01664 if (d->m_caretViewContext && d->m_caretViewContext->keyReleasePending) {
01665
01666 d->m_caretViewContext->keyReleasePending = false;
01667 return;
01668 }
01669
01670 if( d->scrollSuspendPreActivate && _ke->key() != Key_Shift )
01671 d->scrollSuspendPreActivate = false;
01672 if( _ke->key() == Key_Shift && d->scrollSuspendPreActivate && _ke->state() == Qt::ShiftButton
01673 && !(KApplication::keyboardMouseState() & Qt::ShiftButton))
01674 if (d->scrollTimerId)
01675 d->scrollSuspended = !d->scrollSuspended;
01676
01677 if (d->accessKeysEnabled)
01678 {
01679 if (d->accessKeysPreActivate && _ke->key() != Key_Control)
01680 d->accessKeysPreActivate=false;
01681 if (d->accessKeysPreActivate && _ke->state() == Qt::ControlButton && !(KApplication::keyboardMouseState() & Qt::ControlButton))
01682 {
01683 displayAccessKeys();
01684 m_part->setStatusBarText(i18n("Access Keys activated"),KHTMLPart::BarOverrideText);
01685 d->accessKeysActivated = true;
01686 d->accessKeysPreActivate = false;
01687 _ke->accept();
01688 return;
01689 }
01690 else if (d->accessKeysActivated)
01691 {
01692 accessKeysTimeout();
01693 _ke->accept();
01694 return;
01695 }
01696 }
01697
01698
01699 if ( dispatchKeyEvent( _ke ) )
01700 {
01701 _ke->accept();
01702 return;
01703 }
01704
01705 QScrollView::keyReleaseEvent(_ke);
01706 }
01707
01708 void KHTMLView::contentsContextMenuEvent ( QContextMenuEvent * )
01709 {
01710
01711 #if 0
01712 if (!m_part->xmlDocImpl()) return;
01713 int xm = _ce->x();
01714 int ym = _ce->y();
01715
01716 DOM::NodeImpl::MouseEvent mev( _ce->state(), DOM::NodeImpl::MouseMove );
01717 m_part->xmlDocImpl()->prepareMouseEvent( xm, ym, &mev );
01718
01719 NodeImpl *targetNode = mev.innerNode.handle();
01720 if (targetNode && targetNode->renderer() && targetNode->renderer()->isWidget()) {
01721 int absx = 0;
01722 int absy = 0;
01723 targetNode->renderer()->absolutePosition(absx,absy);
01724 QPoint pos(xm-absx,ym-absy);
01725
01726 QWidget *w = static_cast<RenderWidget*>(targetNode->renderer())->widget();
01727 QContextMenuEvent cme(_ce->reason(),pos,_ce->globalPos(),_ce->state());
01728 setIgnoreEvents(true);
01729 QApplication::sendEvent(w,&cme);
01730 setIgnoreEvents(false);
01731 }
01732 #endif
01733 }
01734
01735 bool KHTMLView::focusNextPrevChild( bool next )
01736 {
01737
01738 if (m_part->xmlDocImpl() && focusNextPrevNode(next))
01739 {
01740 if (m_part->xmlDocImpl()->focusNode())
01741 kdDebug() << "focusNode.name: "
01742 << m_part->xmlDocImpl()->focusNode()->nodeName().string() << endl;
01743 return true;
01744 }
01745
01746
01747 d->pseudoFocusNode = KHTMLViewPrivate::PFNone;
01748 if (m_part->parentPart() && m_part->parentPart()->view())
01749 return m_part->parentPart()->view()->focusNextPrevChild(next);
01750
01751 return QWidget::focusNextPrevChild(next);
01752 }
01753
01754 void KHTMLView::doAutoScroll()
01755 {
01756 QPoint pos = QCursor::pos();
01757 pos = viewport()->mapFromGlobal( pos );
01758
01759 int xm, ym;
01760 viewportToContents(pos.x(), pos.y(), xm, ym);
01761
01762 pos = QPoint(pos.x() - viewport()->x(), pos.y() - viewport()->y());
01763 if ( (pos.y() < 0) || (pos.y() > visibleHeight()) ||
01764 (pos.x() < 0) || (pos.x() > visibleWidth()) )
01765 {
01766 ensureVisible( xm, ym, 0, 5 );
01767
01768 #ifndef KHTML_NO_SELECTION
01769
01770 DOM::Node innerNode;
01771 if (m_part->isExtendingSelection()) {
01772 RenderObject::NodeInfo renderInfo(true, false);
01773 m_part->xmlDocImpl()->renderer()->layer()
01774 ->nodeAtPoint(renderInfo, xm, ym);
01775 innerNode = renderInfo.innerNode();
01776 }
01777
01778 if (innerNode.handle() && innerNode.handle()->renderer()) {
01779 int absX, absY;
01780 innerNode.handle()->renderer()->absolutePosition(absX, absY);
01781
01782 m_part->extendSelectionTo(xm, ym, absX, absY, innerNode);
01783 }
01784 #endif // KHTML_NO_SELECTION
01785 }
01786 }
01787
01788
01789 class HackWidget : public QWidget
01790 {
01791 public:
01792 inline void setNoErase() { setWFlags(getWFlags()|WRepaintNoErase); }
01793 };
01794
01795 bool KHTMLView::eventFilter(QObject *o, QEvent *e)
01796 {
01797 if ( e->type() == QEvent::AccelOverride ) {
01798 QKeyEvent* ke = (QKeyEvent*) e;
01799
01800 if (m_part->isEditable() || m_part->isCaretMode()
01801 || (m_part->xmlDocImpl() && m_part->xmlDocImpl()->focusNode()
01802 && m_part->xmlDocImpl()->focusNode()->contentEditable())) {
01803
01804 if ( (ke->state() & ControlButton) || (ke->state() & ShiftButton) ) {
01805 switch ( ke->key() ) {
01806 case Key_Left:
01807 case Key_Right:
01808 case Key_Up:
01809 case Key_Down:
01810 case Key_Home:
01811 case Key_End:
01812 ke->accept();
01813
01814 return true;
01815 default:
01816 break;
01817 }
01818 }
01819 }
01820 }
01821
01822 if ( e->type() == QEvent::Leave && d->cursor_icon_widget )
01823 d->cursor_icon_widget->hide();
01824
01825 QWidget *view = viewport();
01826
01827 if (o == view) {
01828
01829
01830 if(e->type() == QEvent::ChildInserted) {
01831 QObject *c = static_cast<QChildEvent *>(e)->child();
01832 if (c->isWidgetType()) {
01833 QWidget *w = static_cast<QWidget *>(c);
01834
01835 if (w->parentWidget(true) == view) {
01836 if (!strcmp(w->name(), "__khtml")) {
01837 w->installEventFilter(this);
01838 w->unsetCursor();
01839 if (!::qt_cast<QFrame*>(w))
01840 w->setBackgroundMode( QWidget::NoBackground );
01841 static_cast<HackWidget *>(w)->setNoErase();
01842 if (w->children()) {
01843 QObjectListIterator it(*w->children());
01844 for (; it.current(); ++it) {
01845 QWidget *widget = ::qt_cast<QWidget *>(it.current());
01846 if (widget && !widget->isTopLevel()) {
01847 if (!::qt_cast<QFrame*>(w))
01848 widget->setBackgroundMode( QWidget::NoBackground );
01849 static_cast<HackWidget *>(widget)->setNoErase();
01850 widget->installEventFilter(this);
01851 }
01852 }
01853 }
01854 }
01855 }
01856 }
01857 }
01858 } else if (o->isWidgetType()) {
01859 QWidget *v = static_cast<QWidget *>(o);
01860 QWidget *c = v;
01861 while (v && v != view) {
01862 c = v;
01863 v = v->parentWidget(true);
01864 }
01865
01866 if (v && !strcmp(c->name(), "__khtml")) {
01867 bool block = false;
01868 QWidget *w = static_cast<QWidget *>(o);
01869 switch(e->type()) {
01870 case QEvent::Paint:
01871 if (!allowWidgetPaintEvents) {
01872
01873
01874 block = true;
01875 int x = 0, y = 0;
01876 QWidget *v = w;
01877 while (v && v != view) {
01878 x += v->x();
01879 y += v->y();
01880 v = v->parentWidget();
01881 }
01882 viewportToContents( x, y, x, y );
01883 QPaintEvent *pe = static_cast<QPaintEvent *>(e);
01884 bool asap = !d->contentsMoving && ::qt_cast<QScrollView *>(c);
01885
01886
01887 if ( asap && !d->painting && m_part->xmlDocImpl() && m_part->xmlDocImpl()->renderer() &&
01888 !static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer())->needsLayout() ) {
01889 repaintContents(x + pe->rect().x(), y + pe->rect().y(),
01890 pe->rect().width(), pe->rect().height(), true);
01891 } else {
01892 scheduleRepaint(x + pe->rect().x(), y + pe->rect().y(),
01893 pe->rect().width(), pe->rect().height(), asap);
01894 }
01895 }
01896 break;
01897 case QEvent::MouseMove:
01898 case QEvent::MouseButtonPress:
01899 case QEvent::MouseButtonRelease:
01900 case QEvent::MouseButtonDblClick: {
01901 if ( (w->parentWidget() == view || ::qt_cast<QScrollView*>(c)) && !::qt_cast<QScrollBar *>(w)) {
01902 QMouseEvent *me = static_cast<QMouseEvent *>(e);
01903 QPoint pt = w->mapTo( view, me->pos());
01904 QMouseEvent me2(me->type(), pt, me->button(), me->state());
01905
01906 if (e->type() == QEvent::MouseMove)
01907 viewportMouseMoveEvent(&me2);
01908 else if(e->type() == QEvent::MouseButtonPress)
01909 viewportMousePressEvent(&me2);
01910 else if(e->type() == QEvent::MouseButtonRelease)
01911 viewportMouseReleaseEvent(&me2);
01912 else
01913 viewportMouseDoubleClickEvent(&me2);
01914 block = true;
01915 }
01916 break;
01917 }
01918 case QEvent::KeyPress:
01919 case QEvent::KeyRelease:
01920 if (w->parentWidget() == view && !::qt_cast<QScrollBar *>(w)) {
01921 QKeyEvent *ke = static_cast<QKeyEvent *>(e);
01922 if (e->type() == QEvent::KeyPress)
01923 keyPressEvent(ke);
01924 else
01925 keyReleaseEvent(ke);
01926 block = true;
01927 }
01928 default:
01929 break;
01930 }
01931 if (block) {
01932
01933 return true;
01934 }
01935 }
01936 }
01937
01938
01939 return QScrollView::eventFilter(o, e);
01940 }
01941
01942
01943 DOM::NodeImpl *KHTMLView::nodeUnderMouse() const
01944 {
01945 return d->underMouse;
01946 }
01947
01948 DOM::NodeImpl *KHTMLView::nonSharedNodeUnderMouse() const
01949 {
01950 return d->underMouseNonShared;
01951 }
01952
01953 bool KHTMLView::scrollTo(const QRect &bounds)
01954 {
01955 d->scrollingSelf = true;
01956
01957 int x, y, xe, ye;
01958 x = bounds.left();
01959 y = bounds.top();
01960 xe = bounds.right();
01961 ye = bounds.bottom();
01962
01963
01964
01965 int deltax;
01966 int deltay;
01967
01968 int curHeight = visibleHeight();
01969 int curWidth = visibleWidth();
01970
01971 if (ye-y>curHeight-d->borderY)
01972 ye = y + curHeight - d->borderY;
01973
01974 if (xe-x>curWidth-d->borderX)
01975 xe = x + curWidth - d->borderX;
01976
01977
01978 if (x < contentsX() + d->borderX )
01979 deltax = x - contentsX() - d->borderX;
01980
01981 else if (xe + d->borderX > contentsX() + curWidth)
01982 deltax = xe + d->borderX - ( contentsX() + curWidth );
01983 else
01984 deltax = 0;
01985
01986
01987 if (y < contentsY() + d->borderY)
01988 deltay = y - contentsY() - d->borderY;
01989
01990 else if (ye + d->borderY > contentsY() + curHeight)
01991 deltay = ye + d->borderY - ( contentsY() + curHeight );
01992 else
01993 deltay = 0;
01994
01995 int maxx = curWidth-d->borderX;
01996 int maxy = curHeight-d->borderY;
01997
01998 int scrollX,scrollY;
01999
02000 scrollX = deltax > 0 ? (deltax > maxx ? maxx : deltax) : deltax == 0 ? 0 : (deltax>-maxx ? deltax : -maxx);
02001 scrollY = deltay > 0 ? (deltay > maxy ? maxy : deltay) : deltay == 0 ? 0 : (deltay>-maxy ? deltay : -maxy);
02002
02003 if (contentsX() + scrollX < 0)
02004 scrollX = -contentsX();
02005 else if (contentsWidth() - visibleWidth() - contentsX() < scrollX)
02006 scrollX = contentsWidth() - visibleWidth() - contentsX();
02007
02008 if (contentsY() + scrollY < 0)
02009 scrollY = -contentsY();
02010 else if (contentsHeight() - visibleHeight() - contentsY() < scrollY)
02011 scrollY = contentsHeight() - visibleHeight() - contentsY();
02012
02013 scrollBy(scrollX, scrollY);
02014
02015 d->scrollingSelf = false;
02016
02017 if ( (abs(deltax)<=maxx) && (abs(deltay)<=maxy) )
02018 return true;
02019 else return false;
02020
02021 }
02022
02023 bool KHTMLView::focusNextPrevNode(bool next)
02024 {
02025
02026
02027
02028
02029
02030
02031
02032 DocumentImpl *doc = m_part->xmlDocImpl();
02033 NodeImpl *oldFocusNode = doc->focusNode();
02034
02035 #if 1
02036
02037
02038
02039 if (d->scrollBarMoved)
02040 {
02041 NodeImpl *toFocus;
02042 if (next)
02043 toFocus = doc->nextFocusNode(oldFocusNode);
02044 else
02045 toFocus = doc->previousFocusNode(oldFocusNode);
02046
02047 if (!toFocus && oldFocusNode)
02048 if (next)
02049 toFocus = doc->nextFocusNode(NULL);
02050 else
02051 toFocus = doc->previousFocusNode(NULL);
02052
02053 while (toFocus && toFocus != oldFocusNode)
02054 {
02055
02056 QRect focusNodeRect = toFocus->getRect();
02057 if ((focusNodeRect.left() > contentsX()) && (focusNodeRect.right() < contentsX() + visibleWidth()) &&
02058 (focusNodeRect.top() > contentsY()) && (focusNodeRect.bottom() < contentsY() + visibleHeight())) {
02059 {
02060 QRect r = toFocus->getRect();
02061 ensureVisible( r.right(), r.bottom());
02062 ensureVisible( r.left(), r.top());
02063 d->scrollBarMoved = false;
02064 d->tabMovePending = false;
02065 d->lastTabbingDirection = next;
02066 d->pseudoFocusNode = KHTMLViewPrivate::PFNone;
02067 m_part->xmlDocImpl()->setFocusNode(toFocus);
02068 Node guard(toFocus);
02069 if (!toFocus->hasOneRef() )
02070 {
02071 emit m_part->nodeActivated(Node(toFocus));
02072 }
02073 return true;
02074 }
02075 }
02076 if (next)
02077 toFocus = doc->nextFocusNode(toFocus);
02078 else
02079 toFocus = doc->previousFocusNode(toFocus);
02080
02081 if (!toFocus && oldFocusNode)
02082 if (next)
02083 toFocus = doc->nextFocusNode(NULL);
02084 else
02085 toFocus = doc->previousFocusNode(NULL);
02086 }
02087
02088 d->scrollBarMoved = false;
02089 }
02090 #endif
02091
02092 if (!oldFocusNode && d->pseudoFocusNode == KHTMLViewPrivate::PFNone)
02093 {
02094 ensureVisible(contentsX(), next?0:contentsHeight());
02095 d->scrollBarMoved = false;
02096 d->pseudoFocusNode = next?KHTMLViewPrivate::PFTop:KHTMLViewPrivate::PFBottom;
02097 return true;
02098 }
02099
02100 NodeImpl *newFocusNode = NULL;
02101
02102 if (d->tabMovePending && next != d->lastTabbingDirection)
02103 {
02104
02105 newFocusNode = oldFocusNode;
02106 }
02107 else if (next)
02108 {
02109 if (oldFocusNode || d->pseudoFocusNode == KHTMLViewPrivate::PFTop )
02110 newFocusNode = doc->nextFocusNode(oldFocusNode);
02111 }
02112 else
02113 {
02114 if (oldFocusNode || d->pseudoFocusNode == KHTMLViewPrivate::PFBottom )
02115 newFocusNode = doc->previousFocusNode(oldFocusNode);
02116 }
02117
02118 bool targetVisible = false;
02119 if (!newFocusNode)
02120 {
02121 if ( next )
02122 {
02123 targetVisible = scrollTo(QRect(contentsX()+visibleWidth()/2,contentsHeight()-d->borderY,0,0));
02124 }
02125 else
02126 {
02127 targetVisible = scrollTo(QRect(contentsX()+visibleWidth()/2,d->borderY,0,0));
02128 }
02129 }
02130 else
02131 {
02132 #ifndef KHTML_NO_CARET
02133
02134 if (!m_part->isCaretMode() && !m_part->isEditable()
02135 && newFocusNode->contentEditable()) {
02136 d->caretViewContext();
02137 moveCaretTo(newFocusNode, 0L, true);
02138 } else {
02139 caretOff();
02140 }
02141 #endif // KHTML_NO_CARET
02142
02143 targetVisible = scrollTo(newFocusNode->getRect());
02144 }
02145
02146 if (targetVisible)
02147 {
02148
02149 d->tabMovePending = false;
02150
02151 m_part->xmlDocImpl()->setFocusNode(newFocusNode);
02152 if (newFocusNode)
02153 {
02154 Node guard(newFocusNode);
02155 if (!newFocusNode->hasOneRef() )
02156 {
02157 emit m_part->nodeActivated(Node(newFocusNode));
02158 }
02159 return true;
02160 }
02161 else
02162 {
02163 d->pseudoFocusNode = next?KHTMLViewPrivate::PFBottom:KHTMLViewPrivate::PFTop;
02164 return false;
02165 }
02166 }
02167 else
02168 {
02169 if (!d->tabMovePending)
02170 d->lastTabbingDirection = next;
02171 d->tabMovePending = true;
02172 return true;
02173 }
02174 }
02175
02176 void KHTMLView::displayAccessKeys()
02177 {
02178 QValueVector< QChar > taken;
02179 displayAccessKeys( NULL, this, taken, false );
02180 displayAccessKeys( NULL, this, taken, true );
02181 }
02182
02183 void KHTMLView::displayAccessKeys( KHTMLView* caller, KHTMLView* origview, QValueVector< QChar >& taken, bool use_fallbacks )
02184 {
02185 QMap< ElementImpl*, QChar > fallbacks;
02186 if( use_fallbacks )
02187 fallbacks = buildFallbackAccessKeys();
02188 for( NodeImpl* n = m_part->xmlDocImpl(); n != NULL; n = n->traverseNextNode()) {
02189 if( n->isElementNode()) {
02190 ElementImpl* en = static_cast< ElementImpl* >( n );
02191 DOMString s = en->getAttribute( ATTR_ACCESSKEY );
02192 QString accesskey;
02193 if( s.length() == 1 ) {
02194 QChar a = s.string()[ 0 ].upper();
02195 if( qFind( taken.begin(), taken.end(), a ) == taken.end())
02196 accesskey = a;
02197 }
02198 if( accesskey.isNull() && fallbacks.contains( en )) {
02199 QChar a = fallbacks[ en ].upper();
02200 if( qFind( taken.begin(), taken.end(), a ) == taken.end())
02201 accesskey = QString( "<qt><i>" ) + a + "</i></qt>";
02202 }
02203 if( !accesskey.isNull()) {
02204 QRect rec=en->getRect();
02205 QLabel *lab=new QLabel(accesskey,viewport(),0,Qt::WDestructiveClose);
02206 connect( origview, SIGNAL(hideAccessKeys()), lab, SLOT(close()) );
02207 connect( this, SIGNAL(repaintAccessKeys()), lab, SLOT(repaint()));
02208 lab->setPalette(QToolTip::palette());
02209 lab->setLineWidth(2);
02210 lab->setFrameStyle(QFrame::Box | QFrame::Plain);
02211 lab->setMargin(3);
02212 lab->adjustSize();
02213 addChild(lab,
02214 KMIN(rec.left()+rec.width()/2, contentsWidth() - lab->width()),
02215 KMIN(rec.top()+rec.height()/2, contentsHeight() - lab->height()));
02216 showChild(lab);
02217 taken.append( accesskey[ 0 ] );
02218 }
02219 }
02220 }
02221 if( use_fallbacks )
02222 return;
02223 QPtrList<KParts::ReadOnlyPart> frames = m_part->frames();
02224 for( QPtrListIterator<KParts::ReadOnlyPart> it( frames );
02225 it != NULL;
02226 ++it ) {
02227 if( !(*it)->inherits( "KHTMLPart" ))
02228 continue;
02229 KHTMLPart* part = static_cast< KHTMLPart* >( *it );
02230 if( part->view() && part->view() != caller )
02231 part->view()->displayAccessKeys( this, origview, taken, use_fallbacks );
02232 }
02233
02234 if (m_part->parentPart() && m_part->parentPart()->view()
02235 && m_part->parentPart()->view() != caller)
02236 m_part->parentPart()->view()->displayAccessKeys( this, origview, taken, use_fallbacks );
02237 }
02238
02239
02240
02241 void KHTMLView::accessKeysTimeout()
02242 {
02243 d->accessKeysActivated=false;
02244 d->accessKeysPreActivate = false;
02245 m_part->setStatusBarText(QString::null, KHTMLPart::BarOverrideText);
02246 emit hideAccessKeys();
02247 }
02248
02249
02250 bool KHTMLView::handleAccessKey( const QKeyEvent* ev )
02251 {
02252
02253
02254 QChar c;
02255 if( ev->key() >= Key_A && ev->key() <= Key_Z )
02256 c = 'A' + ev->key() - Key_A;
02257 else if( ev->key() >= Key_0 && ev->key() <= Key_9 )
02258 c = '0' + ev->key() - Key_0;
02259 else {
02260
02261
02262 if( ev->text().length() == 1 )
02263 c = ev->text()[ 0 ];
02264 }
02265 if( c.isNull())
02266 return false;
02267 return focusNodeWithAccessKey( c );
02268 }
02269
02270 bool KHTMLView::focusNodeWithAccessKey( QChar c, KHTMLView* caller )
02271 {
02272 DocumentImpl *doc = m_part->xmlDocImpl();
02273 if( !doc )
02274 return false;
02275 ElementImpl* node = doc->findAccessKeyElement( c );
02276 if( !node ) {
02277 QPtrList<KParts::ReadOnlyPart> frames = m_part->frames();
02278 for( QPtrListIterator<KParts::ReadOnlyPart> it( frames );
02279 it != NULL;
02280 ++it ) {
02281 if( !(*it)->inherits( "KHTMLPart" ))
02282 continue;
02283 KHTMLPart* part = static_cast< KHTMLPart* >( *it );
02284 if( part->view() && part->view() != caller
02285 && part->view()->focusNodeWithAccessKey( c, this ))
02286 return true;
02287 }
02288
02289 if (m_part->parentPart() && m_part->parentPart()->view()
02290 && m_part->parentPart()->view() != caller
02291 && m_part->parentPart()->view()->focusNodeWithAccessKey( c, this ))
02292 return true;
02293 if( caller == NULL ) {
02294 QMap< ElementImpl*, QChar > fallbacks = buildFallbackAccessKeys();
02295 for( QMap< ElementImpl*, QChar >::ConstIterator it = fallbacks.begin();
02296 it != fallbacks.end();
02297 ++it )
02298 if( *it == c ) {
02299 node = it.key();
02300 break;
02301 }
02302 }
02303 if( node == NULL )
02304 return false;
02305 }
02306
02307
02308 #ifndef KHTML_NO_CARET
02309
02310 if (!m_part->isCaretMode() && !m_part->isEditable()
02311 && node->contentEditable()) {
02312 d->caretViewContext();
02313 moveCaretTo(node, 0L, true);
02314 } else {
02315 caretOff();
02316 }
02317 #endif // KHTML_NO_CARET
02318
02319 QRect r = node->getRect();
02320 ensureVisible( r.right(), r.bottom());
02321 ensureVisible( r.left(), r.top());
02322
02323 Node guard( node );
02324 if( node->isFocusable()) {
02325 if (node->id()==ID_LABEL) {
02326
02327 node=static_cast<ElementImpl *>(static_cast< HTMLLabelElementImpl* >( node )->getFormElement());
02328 if (!node) return true;
02329 guard = node;
02330 }
02331
02332 QFocusEvent::setReason( QFocusEvent::Shortcut );
02333 m_part->xmlDocImpl()->setFocusNode(node);
02334 QFocusEvent::resetReason();
02335 if( node != NULL && node->hasOneRef())
02336 return true;
02337 emit m_part->nodeActivated(Node(node));
02338 if( node != NULL && node->hasOneRef())
02339 return true;
02340 }
02341
02342 switch( node->id()) {
02343 case ID_A:
02344 static_cast< HTMLAnchorElementImpl* >( node )->click();
02345 break;
02346 case ID_INPUT:
02347 static_cast< HTMLInputElementImpl* >( node )->click();
02348 break;
02349 case ID_BUTTON:
02350 static_cast< HTMLButtonElementImpl* >( node )->click();
02351 break;
02352 case ID_AREA:
02353 static_cast< HTMLAreaElementImpl* >( node )->click();
02354 break;
02355 case ID_TEXTAREA:
02356 break;
02357 case ID_LEGEND:
02358
02359 break;
02360 }
02361 return true;
02362 }
02363
02364 static QString getElementText( NodeImpl* start, bool after )
02365 {
02366 QString ret;
02367 for( NodeImpl* n = after ? start->nextSibling() : start->traversePreviousNode();
02368 n != NULL;
02369 n = after ? n->traverseNextNode() : n->traversePreviousNode()) {
02370 if( n->isTextNode()) {
02371 if( after )
02372 ret += static_cast< TextImpl* >( n )->toString().string();
02373 else
02374 ret.prepend( static_cast< TextImpl* >( n )->toString().string());
02375 } else {
02376 switch( n->id()) {
02377 case ID_A:
02378 case ID_FONT:
02379 case ID_TT:
02380 case ID_U:
02381 case ID_B:
02382 case ID_I:
02383 case ID_S:
02384 case ID_STRIKE:
02385 case ID_BIG:
02386 case ID_SMALL:
02387 case ID_EM:
02388 case ID_STRONG:
02389 case ID_DFN:
02390 case ID_CODE:
02391 case ID_SAMP:
02392 case ID_KBD:
02393 case ID_VAR:
02394 case ID_CITE:
02395 case ID_ABBR:
02396 case ID_ACRONYM:
02397 case ID_SUB:
02398 case ID_SUP:
02399 case ID_SPAN:
02400 case ID_NOBR:
02401 case ID_WBR:
02402 break;
02403 case ID_TD:
02404 if( ret.stripWhiteSpace().isEmpty())
02405 break;
02406
02407 default:
02408 return ret.simplifyWhiteSpace();
02409 }
02410 }
02411 }
02412 return ret.simplifyWhiteSpace();
02413 }
02414
02415 static QMap< NodeImpl*, QString > buildLabels( NodeImpl* start )
02416 {
02417 QMap< NodeImpl*, QString > ret;
02418 for( NodeImpl* n = start;
02419 n != NULL;
02420 n = n->traverseNextNode()) {
02421 if( n->id() == ID_LABEL ) {
02422 HTMLLabelElementImpl* label = static_cast< HTMLLabelElementImpl* >( n );
02423 NodeImpl* labelfor = label->getFormElement();
02424 if( labelfor )
02425 ret[ labelfor ] = label->innerText().string().simplifyWhiteSpace();
02426 }
02427 }
02428 return ret;
02429 }
02430
02431 namespace khtml {
02432 struct AccessKeyData {
02433 ElementImpl* element;
02434 QString text;
02435 QString url;
02436 int priority;
02437 };
02438 }
02439
02440 QMap< ElementImpl*, QChar > KHTMLView::buildFallbackAccessKeys() const
02441 {
02442
02443 QValueList< AccessKeyData > data;
02444 QMap< NodeImpl*, QString > labels = buildLabels( m_part->xmlDocImpl());
02445 for( NodeImpl* n = m_part->xmlDocImpl();
02446 n != NULL;
02447 n = n->traverseNextNode()) {
02448 if( n->isElementNode()) {
02449 ElementImpl* element = static_cast< ElementImpl* >( n );
02450 if( element->getAttribute( ATTR_ACCESSKEY ).length() == 1 )
02451 continue;
02452 if( element->renderer() == NULL )
02453 continue;
02454 QString text;
02455 QString url;
02456 int priority = 0;
02457 bool ignore = false;
02458 bool text_after = false;
02459 bool text_before = false;
02460 switch( element->id()) {
02461 case ID_A:
02462 url = khtml::parseURL(element->getAttribute(ATTR_HREF)).string();
02463 if( url.isEmpty())
02464 continue;
02465 text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace();
02466 priority = 2;
02467 break;
02468 case ID_INPUT: {
02469 HTMLInputElementImpl* in = static_cast< HTMLInputElementImpl* >( element );
02470 switch( in->inputType()) {
02471 case HTMLInputElementImpl::SUBMIT:
02472 text = in->value().string();
02473 if( text.isEmpty())
02474 text = i18n( "Submit" );
02475 priority = 7;
02476 break;
02477 case HTMLInputElementImpl::IMAGE:
02478 text = in->altText().string();
02479 priority = 7;
02480 break;
02481 case HTMLInputElementImpl::BUTTON:
02482 text = in->value().string();
02483 priority = 5;
02484 break;
02485 case HTMLInputElementImpl::RESET:
02486 text = in->value().string();
02487 if( text.isEmpty())
02488 text = i18n( "Reset" );
02489 priority = 5;
02490 break;
02491 case HTMLInputElementImpl::HIDDEN:
02492 ignore = true;
02493 break;
02494 case HTMLInputElementImpl::CHECKBOX:
02495 case HTMLInputElementImpl::RADIO:
02496 text_after = true;
02497 priority = 5;
02498 break;
02499 case HTMLInputElementImpl::TEXT:
02500 case HTMLInputElementImpl::PASSWORD:
02501 case HTMLInputElementImpl::FILE:
02502 text_before = true;
02503 priority = 5;
02504 break;
02505 default:
02506 priority = 5;
02507 break;
02508 }
02509 break;
02510 }
02511 case ID_BUTTON:
02512 text = static_cast< HTMLElementImpl* >( element )->innerText().string().simplifyWhiteSpace();
02513 switch( static_cast< HTMLButtonElementImpl* >( element )->buttonType()) {
02514 case HTMLButtonElementImpl::SUBMIT:
02515 if( text.isEmpty())
02516 text = i18n( "Submit" );
02517 priority = 7;
02518 break;
02519 case HTMLButtonElementImpl::RESET:
02520 if( text.isEmpty())
02521 text = i18n( "Reset" );
02522 priority = 5;
02523 break;
02524 default:
02525 priority = 5;
02526 break;
02527 break;
02528 }
02529 case ID_SELECT:
02530 text_before = true;
02531 text_after = true;
02532 priority = 5;
02533 break;
02534 case ID_FRAME:
02535 ignore = true;
02536 break;
02537 default:
02538 ignore = !element->isFocusable();
02539 priority = 2;
02540 break;
02541 }
02542 if( ignore )
02543 continue;
02544 if( text.isNull() && labels.contains( element ))
02545 text = labels[ element ];
02546 if( text.isNull() && text_before )
02547 text = getElementText( element, false );
02548 if( text.isNull() && text_after )
02549 text = getElementText( element, true );
02550 text = text.stripWhiteSpace();
02551
02552 QValueList< QPair< QString, QChar > > priorities
02553 = m_part->settings()->fallbackAccessKeysAssignments();
02554 for( QValueList< QPair< QString, QChar > >::ConstIterator it = priorities.begin();
02555 it != priorities.end();
02556 ++it ) {
02557 if( text == (*it).first )
02558 priority = 10;
02559 }
02560 AccessKeyData tmp = { element, text, url, priority };
02561 data.append( tmp );
02562 }
02563 }
02564
02565 QValueList< QChar > keys;
02566 for( char c = 'A'; c <= 'Z'; ++c )
02567 keys << c;
02568 for( char c = '0'; c <= '9'; ++c )
02569 keys << c;
02570 for( NodeImpl* n = m_part->xmlDocImpl();
02571 n != NULL;
02572 n = n->traverseNextNode()) {
02573 if( n->isElementNode()) {
02574 ElementImpl* en = static_cast< ElementImpl* >( n );
02575 DOMString s = en->getAttribute( ATTR_ACCESSKEY );
02576 if( s.length() == 1 ) {
02577 QChar c = s.string()[ 0 ].upper();
02578 keys.remove( c );
02579 }
02580 }
02581 }
02582
02583 QMap< ElementImpl*, QChar > ret;
02584 for( int priority = 10;
02585 priority >= 0;
02586 --priority ) {
02587 for( QValueList< AccessKeyData >::Iterator it = data.begin();
02588 it != data.end();
02589 ) {
02590 if( (*it).priority != priority ) {
02591 ++it;
02592 continue;
02593 }
02594 if( keys.isEmpty())
02595 break;
02596 QString text = (*it).text;
02597 QChar key;
02598 if( key.isNull() && !text.isEmpty()) {
02599 QValueList< QPair< QString, QChar > > priorities
02600 = m_part->settings()->fallbackAccessKeysAssignments();
02601 for( QValueList< QPair< QString, QChar > >::ConstIterator it = priorities.begin();
02602 it != priorities.end();
02603 ++it )
02604 if( text == (*it).first && keys.contains( (*it).second )) {
02605 key = (*it).second;
02606 break;
02607 }
02608 }
02609
02610
02611
02612 if( key.isNull() && !text.isEmpty()) {
02613 QStringList words = QStringList::split( ' ', text );
02614 for( QStringList::ConstIterator it = words.begin();
02615 it != words.end();
02616 ++it ) {
02617 if( keys.contains( (*it)[ 0 ].upper())) {
02618 key = (*it)[ 0 ].upper();
02619 break;
02620 }
02621 }
02622 }
02623 if( key.isNull() && !text.isEmpty()) {
02624 for( unsigned int i = 0;
02625 i < text.length();
02626 ++i ) {
02627 if( keys.contains( text[ i ].upper())) {
02628 key = text[ i ].upper();
02629 break;
02630 }
02631 }
02632 }
02633 if( key.isNull())
02634 key = keys.front();
02635 ret[ (*it).element ] = key;
02636 keys.remove( key );
02637 QString url = (*it).url;
02638 it = data.remove( it );
02639
02640 if( !url.isEmpty() && !url.startsWith( "javascript:", false )) {
02641 for( QValueList< AccessKeyData >::Iterator it2 = data.begin();
02642 it2 != data.end();
02643 ) {
02644 if( (*it2).url == url ) {
02645 ret[ (*it2).element ] = key;
02646 if( it == it2 )
02647 ++it;
02648 it2 = data.remove( it2 );
02649 } else
02650 ++it2;
02651 }
02652 }
02653 }
02654 }
02655 return ret;
02656 }
02657
02658 void KHTMLView::setMediaType( const QString &medium )
02659 {
02660 m_medium = medium;
02661 }
02662
02663 QString KHTMLView::mediaType() const
02664 {
02665 return m_medium;
02666 }
02667
02668 bool KHTMLView::pagedMode() const
02669 {
02670 return d->paged;
02671 }
02672
02673 void KHTMLView::setWidgetVisible(RenderWidget* w, bool vis)
02674 {
02675 if (vis) {
02676 d->visibleWidgets.replace(w, w->widget());
02677 }
02678 else
02679 d->visibleWidgets.remove(w);
02680 }
02681
02682 bool KHTMLView::needsFullRepaint() const
02683 {
02684 return d->needsFullRepaint;
02685 }
02686
02687 void KHTMLView::print()
02688 {
02689 print( false );
02690 }
02691
02692 void KHTMLView::print(bool quick)
02693 {
02694 if(!m_part->xmlDocImpl()) return;
02695 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer());
02696 if(!root) return;
02697
02698 KPrinter *printer = new KPrinter(true, QPrinter::ScreenResolution);
02699 printer->addDialogPage(new KHTMLPrintSettings());
02700 QString docname = m_part->xmlDocImpl()->URL().prettyURL();
02701 if ( !docname.isEmpty() )
02702 docname = KStringHandler::csqueeze(docname, 80);
02703 if(quick || printer->setup(this, i18n("Print %1").arg(docname))) {
02704 viewport()->setCursor( waitCursor );
02705
02706 printer->setFullPage(false);
02707 printer->setCreator(QString("KDE %1.%2.%3 HTML Library").arg(KDE_VERSION_MAJOR).arg(KDE_VERSION_MINOR).arg(KDE_VERSION_RELEASE));
02708 printer->setDocName(docname);
02709
02710 QPainter *p = new QPainter;
02711 p->begin( printer );
02712 khtml::setPrintPainter( p );
02713
02714 m_part->xmlDocImpl()->setPaintDevice( printer );
02715 QString oldMediaType = mediaType();
02716 setMediaType( "print" );
02717
02718
02719
02720 m_part->xmlDocImpl()->setPrintStyleSheet( printer->option("app-khtml-printfriendly") == "true" ?
02721 "* { background-image: none !important;"
02722 " background-color: white !important;"
02723 " color: black !important; }"
02724 "body { margin: 0px !important; }"
02725 "html { margin: 0px !important; }" :
02726 "body { margin: 0px !important; }"
02727 "html { margin: 0px !important; }"
02728 );
02729
02730 QPaintDeviceMetrics metrics( printer );
02731
02732 kdDebug(6000) << "printing: physical page width = " << metrics.width()
02733 << " height = " << metrics.height() << endl;
02734 root->setStaticMode(true);
02735 root->setPagedMode(true);
02736 root->setWidth(metrics.width());
02737
02738 root->setPageTop(0);
02739 root->setPageBottom(0);
02740 d->paged = true;
02741
02742 m_part->xmlDocImpl()->styleSelector()->computeFontSizes(&metrics, 100);
02743 m_part->xmlDocImpl()->updateStyleSelector();
02744 root->setPrintImages( printer->option("app-khtml-printimages") == "true");
02745 root->makePageBreakAvoidBlocks();
02746
02747 root->setNeedsLayoutAndMinMaxRecalc();
02748 root->layout();
02749 khtml::RenderWidget::flushWidgetResizes();
02750
02751
02752
02753 bool printHeader = (printer->option("app-khtml-printheader") == "true");
02754
02755 int headerHeight = 0;
02756 QFont headerFont("Sans Serif", 8);
02757
02758 QString headerLeft = KGlobal::locale()->formatDate(QDate::currentDate(),true);
02759 QString headerMid = docname;
02760 QString headerRight;
02761
02762 if (printHeader)
02763 {
02764 p->setFont(headerFont);
02765 headerHeight = (p->fontMetrics().lineSpacing() * 3) / 2;
02766 }
02767
02768
02769 kdDebug(6000) << "printing: html page width = " << root->docWidth()
02770 << " height = " << root->docHeight() << endl;
02771 kdDebug(6000) << "printing: margins left = " << printer->margins().width()
02772 << " top = " << printer->margins().height() << endl;
02773 kdDebug(6000) << "printing: paper width = " << metrics.width()
02774 << " height = " << metrics.height() << endl;
02775
02776
02777 int pageWidth = metrics.width();
02778 int pageHeight = metrics.height();
02779 p->setClipRect(0,0, pageWidth, pageHeight);
02780
02781 pageHeight -= headerHeight;
02782
02783 bool scalePage = false;
02784 double scale = 0.0;
02785 #ifndef QT_NO_TRANSFORMATIONS
02786 if(root->docWidth() > metrics.width()) {
02787 scalePage = true;
02788 scale = ((double) metrics.width())/((double) root->docWidth());
02789 pageHeight = (int) (pageHeight/scale);
02790 pageWidth = (int) (pageWidth/scale);
02791 headerHeight = (int) (headerHeight/scale);
02792 }
02793 #endif
02794 kdDebug(6000) << "printing: scaled html width = " << pageWidth
02795 << " height = " << pageHeight << endl;
02796
02797 root->setHeight(pageHeight);
02798 root->setPageBottom(pageHeight);
02799 root->setNeedsLayout(true);
02800 root->layoutIfNeeded();
02801
02802
02803
02804 if (printHeader)
02805 {
02806 int available_width = metrics.width() - 10 -
02807 2 * kMax(p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerLeft).width(),
02808 p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerRight).width());
02809 if (available_width < 150)
02810 available_width = 150;
02811 int mid_width;
02812 int squeeze = 120;
02813 do {
02814 headerMid = KStringHandler::csqueeze(docname, squeeze);
02815 mid_width = p->boundingRect(0, 0, metrics.width(), p->fontMetrics().lineSpacing(), Qt::AlignLeft, headerMid).width();
02816 squeeze -= 10;
02817 } while (mid_width > available_width);
02818 }
02819
02820 int top = 0;
02821 int bottom = 0;
02822 int page = 1;
02823 while(top < root->docHeight()) {
02824 if(top > 0) printer->newPage();
02825 p->setClipRect(0, 0, pageWidth, headerHeight, QPainter::CoordDevice);
02826 if (printHeader)
02827 {
02828 int dy = p->fontMetrics().lineSpacing();
02829 p->setPen(Qt::black);
02830 p->setFont(headerFont);
02831
02832 headerRight = QString("#%1").arg(page);
02833
02834 p->drawText(0, 0, metrics.width(), dy, Qt::AlignLeft, headerLeft);
02835 p->drawText(0, 0, metrics.width(), dy, Qt::AlignHCenter, headerMid);
02836 p->drawText(0, 0, metrics.width(), dy, Qt::AlignRight, headerRight);
02837 }
02838
02839
02840 #ifndef QT_NO_TRANSFORMATIONS
02841 if (scalePage)
02842 p->scale(scale, scale);
02843 #endif
02844
02845 p->setClipRect(0, headerHeight, pageWidth, pageHeight, QPainter::CoordDevice);
02846 p->translate(0, headerHeight-top);
02847
02848 bottom = top+pageHeight;
02849
02850 root->setPageTop(top);
02851 root->setPageBottom(bottom);
02852 root->setPageNumber(page);
02853
02854 root->layer()->paint(p, QRect(0, top, pageWidth, pageHeight));
02855
02856
02857
02858 kdDebug(6000) << "printed: page " << page <<" bottom At = " << bottom << endl;
02859
02860 top = bottom;
02861 p->resetXForm();
02862 page++;
02863 }
02864
02865 p->end();
02866 delete p;
02867
02868
02869 root->setPagedMode(false);
02870 root->setStaticMode(false);
02871 d->paged = false;
02872 khtml::setPrintPainter( 0 );
02873 setMediaType( oldMediaType );
02874 m_part->xmlDocImpl()->setPaintDevice( this );
02875 m_part->xmlDocImpl()->styleSelector()->computeFontSizes(m_part->xmlDocImpl()->paintDeviceMetrics(), m_part->zoomFactor());
02876 m_part->xmlDocImpl()->updateStyleSelector();
02877 viewport()->unsetCursor();
02878 }
02879 delete printer;
02880 }
02881
02882 void KHTMLView::slotPaletteChanged()
02883 {
02884 if(!m_part->xmlDocImpl()) return;
02885 DOM::DocumentImpl *document = m_part->xmlDocImpl();
02886 if (!document->isHTMLDocument()) return;
02887 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(document->renderer());
02888 if(!root) return;
02889 root->style()->resetPalette();
02890 NodeImpl *body = static_cast<HTMLDocumentImpl*>(document)->body();
02891 if(!body) return;
02892 body->setChanged(true);
02893 body->recalcStyle( NodeImpl::Force );
02894 }
02895
02896 void KHTMLView::paint(QPainter *p, const QRect &rc, int yOff, bool *more)
02897 {
02898 if(!m_part->xmlDocImpl()) return;
02899 khtml::RenderCanvas *root = static_cast<khtml::RenderCanvas *>(m_part->xmlDocImpl()->renderer());
02900 if(!root) return;
02901
02902 m_part->xmlDocImpl()->setPaintDevice(p->device());
02903 root->setPagedMode(true);
02904 root->setStaticMode(true);
02905 root->setWidth(rc.width());
02906
02907 p->save();
02908 p->setClipRect(rc);
02909 p->translate(rc.left(), rc.top());
02910 double scale = ((double) rc.width()/(double) root->docWidth());
02911 int height = (int) ((double) rc.height() / scale);
02912 #ifndef QT_NO_TRANSFORMATIONS
02913 p->scale(scale, scale);
02914 #endif
02915 root->setPageTop(yOff);
02916 root->setPageBottom(yOff+height);
02917
02918 root->layer()->paint(p, QRect(0, yOff, root->docWidth(), height));
02919 if (more)
02920 *more = yOff + height < root->docHeight();
02921 p->restore();
02922
02923 root->setPagedMode(false);
02924 root->setStaticMode(false);
02925 m_part->xmlDocImpl()->setPaintDevice( this );
02926 }
02927
02928
02929 void KHTMLView::useSlowRepaints()
02930 {
02931 d->useSlowRepaints = true;
02932 setStaticBackground(true);
02933 }
02934
02935
02936 void KHTMLView::setVScrollBarMode ( ScrollBarMode mode )
02937 {
02938 #ifndef KHTML_NO_SCROLLBARS
02939 d->vmode = mode;
02940 QScrollView::setVScrollBarMode(mode);
02941 #else
02942 Q_UNUSED( mode );
02943 #endif
02944 }
02945
02946 void KHTMLView::setHScrollBarMode ( ScrollBarMode mode )
02947 {
02948 #ifndef KHTML_NO_SCROLLBARS
02949 d->hmode = mode;
02950 QScrollView::setHScrollBarMode(mode);
02951 #else
02952 Q_UNUSED( mode );
02953 #endif
02954 }
02955
02956 void KHTMLView::restoreScrollBar()
02957 {
02958 int ow = visibleWidth();
02959 QScrollView::setVScrollBarMode(d->vmode);
02960 if (visibleWidth() != ow)
02961 layout();
02962 d->prevScrollbarVisible = verticalScrollBar()->isVisible();
02963 }
02964
02965 QStringList KHTMLView::formCompletionItems(const QString &name) const
02966 {
02967 if (!m_part->settings()->isFormCompletionEnabled())
02968 return QStringList();
02969 if (!d->formCompletions)
02970 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
02971 return d->formCompletions->readListEntry(name);
02972 }
02973
02974 void KHTMLView::clearCompletionHistory(const QString& name)
02975 {
02976 if (!d->formCompletions)
02977 {
02978 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
02979 }
02980 d->formCompletions->writeEntry(name, "");
02981 d->formCompletions->sync();
02982 }
02983
02984 void KHTMLView::addFormCompletionItem(const QString &name, const QString &value)
02985 {
02986 if (!m_part->settings()->isFormCompletionEnabled())
02987 return;
02988
02989
02990
02991 bool cc_number(true);
02992 for (unsigned int i = 0; i < value.length(); ++i)
02993 {
02994 QChar c(value[i]);
02995 if (!c.isNumber() && c != '-' && !c.isSpace())
02996 {
02997 cc_number = false;
02998 break;
02999 }
03000 }
03001 if (cc_number)
03002 return;
03003 QStringList items = formCompletionItems(name);
03004 if (!items.contains(value))
03005 items.prepend(value);
03006 while ((int)items.count() > m_part->settings()->maxFormCompletionItems())
03007 items.remove(items.fromLast());
03008 d->formCompletions->writeEntry(name, items);
03009 }
03010
03011 void KHTMLView::addNonPasswordStorableSite(const QString& host)
03012 {
03013 if (!d->formCompletions) {
03014 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03015 }
03016
03017 d->formCompletions->setGroup("NonPasswordStorableSites");
03018 QStringList sites = d->formCompletions->readListEntry("Sites");
03019 sites.append(host);
03020 d->formCompletions->writeEntry("Sites", sites);
03021 d->formCompletions->sync();
03022 d->formCompletions->setGroup(QString::null);
03023 }
03024
03025 bool KHTMLView::nonPasswordStorableSite(const QString& host) const
03026 {
03027 if (!d->formCompletions) {
03028 d->formCompletions = new KSimpleConfig(locateLocal("data", "khtml/formcompletions"));
03029 }
03030 d->formCompletions->setGroup("NonPasswordStorableSites");
03031 QStringList sites = d->formCompletions->readListEntry("Sites");
03032 d->formCompletions->setGroup(QString::null);
03033
03034 return (sites.find(host) != sites.end());
03035 }
03036
03037
03038 bool KHTMLView::dispatchMouseEvent(int eventId, DOM::NodeImpl *targetNode,
03039 DOM::NodeImpl *targetNodeNonShared, bool cancelable,
03040 int detail,QMouseEvent *_mouse, bool setUnder,
03041 int mouseEventType)
03042 {
03043
03044 if (targetNode && targetNode->isTextNode())
03045 targetNode = targetNode->parentNode();
03046
03047 if (d->underMouse)
03048 d->underMouse->deref();
03049 d->underMouse = targetNode;
03050 if (d->underMouse)
03051 d->underMouse->ref();
03052
03053 if (d->underMouseNonShared)
03054 d->underMouseNonShared->deref();
03055 d->underMouseNonShared = targetNodeNonShared;
03056 if (d->underMouseNonShared)
03057 d->underMouseNonShared->ref();
03058
03059 int exceptioncode = 0;
03060 int pageX = 0;
03061 int pageY = 0;
03062 viewportToContents(_mouse->x(), _mouse->y(), pageX, pageY);
03063 int clientX = pageX - contentsX();
03064 int clientY = pageY - contentsY();
03065 int screenX = _mouse->globalX();
03066 int screenY = _mouse->globalY();
03067 int button = -1;
03068 switch (_mouse->button()) {
03069 case LeftButton:
03070 button = 0;
03071 break;
03072 case MidButton:
03073 button = 1;
03074 break;
03075 case RightButton:
03076 button = 2;
03077 break;
03078 default:
03079 break;
03080 }
03081 if (d->accessKeysEnabled && d->accessKeysPreActivate && button!=-1)
03082 d->accessKeysPreActivate=false;
03083
03084 bool ctrlKey = (_mouse->state() & ControlButton);
03085 bool altKey = (_mouse->state() & AltButton);
03086 bool shiftKey = (_mouse->state() & ShiftButton);
03087 bool metaKey = (_mouse->state() & MetaButton);
03088
03089
03090 if (setUnder && (d->prevMouseX != pageX || d->prevMouseY != pageY)) {
03091
03092
03093
03094 NodeImpl *oldUnder = 0;
03095 if (d->prevMouseX >= 0 && d->prevMouseY >= 0) {
03096 NodeImpl::MouseEvent mev( _mouse->stateAfter(), static_cast<NodeImpl::MouseEventType>(mouseEventType));
03097 m_part->xmlDocImpl()->prepareMouseEvent( true, d->prevMouseX, d->prevMouseY, &mev );
03098 oldUnder = mev.innerNode.handle();
03099
03100 if (oldUnder && oldUnder->isTextNode())
03101 oldUnder = oldUnder->parentNode();
03102 }
03103
03104 if (oldUnder != targetNode) {
03105
03106 if (oldUnder){
03107 oldUnder->ref();
03108 MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOUT_EVENT,
03109 true,true,m_part->xmlDocImpl()->defaultView(),
03110 0,screenX,screenY,clientX,clientY,pageX, pageY,
03111 ctrlKey,altKey,shiftKey,metaKey,
03112 button,targetNode);
03113 me->ref();
03114 oldUnder->dispatchEvent(me,exceptioncode,true);
03115 me->deref();
03116 }
03117
03118
03119 if (targetNode) {
03120 MouseEventImpl *me = new MouseEventImpl(EventImpl::MOUSEOVER_EVENT,
03121 true,true,m_part->xmlDocImpl()->defaultView(),
03122 0,screenX,screenY,clientX,clientY,pageX, pageY,
03123 ctrlKey,altKey,shiftKey,metaKey,
03124 button,oldUnder);
03125
03126 me->ref();
03127 targetNode->dispatchEvent(me,exceptioncode,true);
03128 me->deref();
03129 }
03130
03131 if (oldUnder)
03132 oldUnder->deref();
03133 }
03134 }
03135
03136 bool swallowEvent = false;
03137
03138 if (targetNode) {
03139
03140 bool dblclick = ( eventId == EventImpl::CLICK_EVENT &&
03141 _mouse->type() == QEvent::MouseButtonDblClick );
03142 MouseEventImpl *me = new MouseEventImpl(static_cast<EventImpl::EventId>(eventId),
03143 true,cancelable,m_part->xmlDocImpl()->defaultView(),
03144 detail,screenX,screenY,clientX,clientY,pageX, pageY,
03145 ctrlKey,altKey,shiftKey,metaKey,
03146 button,0, _mouse, dblclick );
03147 me->ref();
03148 targetNode->dispatchEvent(me,exceptioncode,true);
03149 bool defaultHandled = me->defaultHandled();
03150 if (defaultHandled || me->defaultPrevented())
03151 swallowEvent = true;
03152 me->deref();
03153
03154 if (eventId == EventImpl::MOUSEDOWN_EVENT) {
03155
03156
03157
03158
03159 DOM::NodeImpl* nodeImpl = targetNode;
03160 for ( ; nodeImpl && !nodeImpl->isFocusable(); nodeImpl = nodeImpl->parentNode());
03161 if (nodeImpl && nodeImpl->isMouseFocusable())
03162 m_part->xmlDocImpl()->setFocusNode(nodeImpl);
03163 else if (!nodeImpl || !nodeImpl->focused())
03164 m_part->xmlDocImpl()->setFocusNode(0);
03165 }
03166 }
03167
03168 return swallowEvent;
03169 }
03170
03171 void KHTMLView::setIgnoreWheelEvents( bool e )
03172 {
03173 d->ignoreWheelEvents = e;
03174 }
03175
03176 #ifndef QT_NO_WHEELEVENT
03177
03178 void KHTMLView::viewportWheelEvent(QWheelEvent* e)
03179 {
03180 if (d->accessKeysEnabled && d->accessKeysPreActivate) d->accessKeysPreActivate=false;
03181
03182 if ( ( e->state() & ControlButton) == ControlButton )
03183 {
03184 emit zoomView( - e->delta() );
03185 e->accept();
03186 }
03187 else if (d->firstRelayout)
03188 {
03189 e->accept();
03190 }
03191 else if( ( (e->orientation() == Vertical &&
03192 ((d->ignoreWheelEvents && !verticalScrollBar()->isVisible())
03193 || e->delta() > 0 && contentsY() <= 0
03194 || e->delta() < 0 && contentsY() >= contentsHeight() - visibleHeight()))
03195 ||
03196 (e->orientation() == Horizontal &&
03197 ((d->ignoreWheelEvents && !horizontalScrollBar()->isVisible())
03198 || e->delta() > 0 && contentsX() <=0
03199 || e->delta() < 0 && contentsX() >= contentsWidth() - visibleWidth())))
03200 && m_part->parentPart())
03201 {
03202 if ( m_part->parentPart()->view() )
03203 m_part->parentPart()->view()->wheelEvent( e );
03204 e->ignore();
03205 }
03206 else
03207 {
03208 d->scrollBarMoved = true;
03209 QScrollView::viewportWheelEvent( e );
03210
03211 QMouseEvent *tempEvent = new QMouseEvent( QEvent::MouseMove, QPoint(-1,-1), QPoint(-1,-1), Qt::NoButton, e->state() );
03212 emit viewportMouseMoveEvent ( tempEvent );
03213 delete tempEvent;
03214 }
03215
03216 }
03217 #endif
03218
03219 void KHTMLView::dragEnterEvent( QDragEnterEvent* ev )
03220 {
03221
03222
03223
03224 if ( m_part->parentPart() )
03225 {
03226 QApplication::sendEvent(m_part->parentPart()->widget(), ev);
03227 return;
03228 }
03229 QScrollView::dragEnterEvent( ev );
03230 }
03231
03232 void KHTMLView::dropEvent( QDropEvent *ev )
03233 {
03234
03235
03236
03237 if ( m_part->parentPart() )
03238 {
03239 QApplication::sendEvent(m_part->parentPart()->widget(), ev);
03240 return;
03241 }
03242 QScrollView::dropEvent( ev );
03243 }
03244
03245 void KHTMLView::focusInEvent( QFocusEvent *e )
03246 {
03247 #ifndef KHTML_NO_TYPE_AHEAD_FIND
03248 m_part->enableFindAheadActions( true );
03249 #endif
03250 DOM::NodeImpl* fn = m_part->xmlDocImpl() ? m_part->xmlDocImpl()->focusNode() : 0;
03251 if (fn && fn->renderer() && fn->renderer()->isWidget() &&
03252 (e->reason() != QFocusEvent::Mouse) &&
03253 static_cast<khtml::RenderWidget*>(fn->renderer())->widget())
03254 static_cast<khtml::RenderWidget*>(fn->renderer())->widget()->setFocus();
03255 #ifndef KHTML_NO_CARET
03256
03257
03258 if (d->m_caretViewContext &&
03259 d->m_caretViewContext->freqTimerId == -1 &&
03260 fn) {
03261 if (m_part->isCaretMode()
03262 || m_part->isEditable()
03263 || (fn && fn->renderer()
03264 && fn->renderer()->style()->userInput()
03265 == UI_ENABLED)) {
03266 d->m_caretViewContext->freqTimerId = startTimer(500);
03267 d->m_caretViewContext->visible = true;
03268 }
03269 }
03270 showCaret();
03271 #endif // KHTML_NO_CARET
03272 QScrollView::focusInEvent( e );
03273 }
03274
03275 void KHTMLView::focusOutEvent( QFocusEvent *e )
03276 {
03277 if(m_part) m_part->stopAutoScroll();
03278
03279 #ifndef KHTML_NO_TYPE_AHEAD_FIND
03280 if(d->typeAheadActivated)
03281 {
03282 findTimeout();
03283 }
03284 m_part->enableFindAheadActions( false );
03285 #endif // KHTML_NO_TYPE_AHEAD_FIND
03286
03287 #ifndef KHTML_NO_CARET
03288 if (d->m_caretViewContext) {
03289 switch (d->m_caretViewContext->displayNonFocused) {
03290 case KHTMLPart::CaretInvisible:
03291 hideCaret();
03292 break;
03293 case KHTMLPart::CaretVisible: {
03294 killTimer(d->m_caretViewContext->freqTimerId);
03295 d->m_caretViewContext->freqTimerId = -1;
03296 NodeImpl *caretNode = m_part->xmlDocImpl()->focusNode();
03297 if (!d->m_caretViewContext->visible && (m_part->isCaretMode()
03298 || m_part->isEditable()
03299 || (caretNode && caretNode->renderer()
03300 && caretNode->renderer()->style()->userInput()
03301 == UI_ENABLED))) {
03302 d->m_caretViewContext->visible = true;
03303 showCaret(true);
03304 }
03305 break;
03306 }
03307 case KHTMLPart::CaretBlink:
03308
03309 break;
03310 }
03311 }
03312 #endif // KHTML_NO_CARET
03313
03314 if ( d->cursor_icon_widget )
03315 d->cursor_icon_widget->hide();
03316
03317 QScrollView::focusOutEvent( e );
03318 }
03319
03320 void KHTMLView::slotScrollBarMoved()
03321 {
03322 if ( !d->firstRelayout && !d->complete && m_part->xmlDocImpl() &&
03323 d->layoutSchedulingEnabled) {
03324
03325 khtml::RenderCanvas* root = static_cast<khtml::RenderCanvas *>( m_part->xmlDocImpl()->renderer() );
03326 if (root && root->needsLayout()) {
03327 unscheduleRelayout();
03328 layout();
03329 }
03330 }
03331 if (!d->scrollingSelf) {
03332 d->scrollBarMoved = true;
03333 d->contentsMoving = true;
03334
03335 scheduleRepaint(0, 0, 0, 0);
03336 }
03337
03338 if (m_part->xmlDocImpl() && m_part->xmlDocImpl()->documentElement())
03339 m_part->xmlDocImpl()->documentElement()->dispatchHTMLEvent(EventImpl::SCROLL_EVENT, true, false);
03340 }
03341
03342 void KHTMLView::timerEvent ( QTimerEvent *e )
03343 {
03344
03345 if ( e->timerId() == d->scrollTimerId ) {
03346 if( d->scrollSuspended )
03347 return;
03348 switch (d->scrollDirection) {
03349 case KHTMLViewPrivate::ScrollDown:
03350 if (contentsY() + visibleHeight () >= contentsHeight())
03351 d->newScrollTimer(this, 0);
03352 else
03353 scrollBy( 0, d->scrollBy );
03354 break;
03355 case KHTMLViewPrivate::ScrollUp:
03356 if (contentsY() <= 0)
03357 d->newScrollTimer(this, 0);
03358 else
03359 scrollBy( 0, -d->scrollBy );
03360 break;
03361 case KHTMLViewPrivate::ScrollRight:
03362 if (contentsX() + visibleWidth () >= contentsWidth())
03363 d->newScrollTimer(this, 0);
03364 else
03365 scrollBy( d->scrollBy, 0 );
03366 break;
03367 case KHTMLViewPrivate::ScrollLeft:
03368 if (contentsX() <= 0)
03369 d->newScrollTimer(this, 0);
03370 else
03371 scrollBy( -d->scrollBy, 0 );
03372 break;
03373 }
03374 return;
03375 }
03376 else if ( e->timerId() == d->layoutTimerId ) {
03377 d->dirtyLayout = true;
03378 layout();
03379 if (d->firstRelayout) {
03380 d->firstRelayout = false;
03381 verticalScrollBar()->setEnabled( true );
03382 horizontalScrollBar()->setEnabled( true );
03383 }
03384 }
03385 #ifndef KHTML_NO_CARET
03386 else if (d->m_caretViewContext
03387 && e->timerId() == d->m_caretViewContext->freqTimerId) {
03388 d->m_caretViewContext->visible = !d->m_caretViewContext->visible;
03389 if (d->m_caretViewContext->displayed) {
03390 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03391 d->m_caretViewContext->width,
03392 d->m_caretViewContext->height);
03393 }
03394
03395
03396 return;
03397 }
03398 #endif
03399
03400 d->contentsMoving = false;
03401 if( m_part->xmlDocImpl() ) {
03402 DOM::DocumentImpl *document = m_part->xmlDocImpl();
03403 khtml::RenderCanvas* root = static_cast<khtml::RenderCanvas *>(document->renderer());
03404
03405 if ( root && root->needsLayout() ) {
03406 killTimer(d->repaintTimerId);
03407 d->repaintTimerId = 0;
03408 scheduleRelayout();
03409 return;
03410 }
03411 }
03412
03413 setStaticBackground(d->useSlowRepaints);
03414
03415
03416 killTimer(d->repaintTimerId);
03417 d->repaintTimerId = 0;
03418
03419 QRect updateRegion;
03420 QMemArray<QRect> rects = d->updateRegion.rects();
03421
03422 d->updateRegion = QRegion();
03423
03424 if ( rects.size() )
03425 updateRegion = rects[0];
03426
03427 for ( unsigned i = 1; i < rects.size(); ++i ) {
03428 QRect newRegion = updateRegion.unite(rects[i]);
03429 if (2*newRegion.height() > 3*updateRegion.height() )
03430 {
03431 repaintContents( updateRegion );
03432 updateRegion = rects[i];
03433 }
03434 else
03435 updateRegion = newRegion;
03436 }
03437
03438 if ( !updateRegion.isNull() )
03439 repaintContents( updateRegion );
03440
03441
03442
03443
03444
03445
03446 if (d->dirtyLayout && !d->visibleWidgets.isEmpty()) {
03447 QWidget* w;
03448 d->dirtyLayout = false;
03449
03450 QRect visibleRect(contentsX(), contentsY(), visibleWidth(), visibleHeight());
03451 QPtrList<RenderWidget> toRemove;
03452 for (QPtrDictIterator<QWidget> it(d->visibleWidgets); it.current(); ++it) {
03453 int xp = 0, yp = 0;
03454 w = it.current();
03455 RenderWidget* rw = static_cast<RenderWidget*>( it.currentKey() );
03456 if (!rw->absolutePosition(xp, yp) ||
03457 !visibleRect.intersects(QRect(xp, yp, w->width(), w->height())))
03458 toRemove.append(rw);
03459 }
03460 for (RenderWidget* r = toRemove.first(); r; r = toRemove.next())
03461 if ( (w = d->visibleWidgets.take(r) ) )
03462 addChild(w, 0, -500000);
03463 }
03464
03465 emit repaintAccessKeys();
03466 if (d->emitCompletedAfterRepaint) {
03467 bool full = d->emitCompletedAfterRepaint == KHTMLViewPrivate::CSFull;
03468 d->emitCompletedAfterRepaint = KHTMLViewPrivate::CSNone;
03469 if ( full )
03470 emit m_part->completed();
03471 else
03472 emit m_part->completed(true);
03473 }
03474 }
03475
03476 void KHTMLView::scheduleRelayout(khtml::RenderObject * )
03477 {
03478 if (!d->layoutSchedulingEnabled || d->layoutTimerId)
03479 return;
03480
03481 d->layoutTimerId = startTimer( m_part->xmlDocImpl() && m_part->xmlDocImpl()->parsing()
03482 ? 1000 : 0 );
03483 }
03484
03485 void KHTMLView::unscheduleRelayout()
03486 {
03487 if (!d->layoutTimerId)
03488 return;
03489
03490 killTimer(d->layoutTimerId);
03491 d->layoutTimerId = 0;
03492 }
03493
03494 void KHTMLView::unscheduleRepaint()
03495 {
03496 if (!d->repaintTimerId)
03497 return;
03498
03499 killTimer(d->repaintTimerId);
03500 d->repaintTimerId = 0;
03501 }
03502
03503 void KHTMLView::scheduleRepaint(int x, int y, int w, int h, bool asap)
03504 {
03505 bool parsing = !m_part->xmlDocImpl() || m_part->xmlDocImpl()->parsing();
03506
03507
03508
03509
03510 int time = parsing ? 300 : (!asap ? ( !d->complete ? 100 : 20 ) : 0);
03511
03512 #ifdef DEBUG_FLICKER
03513 QPainter p;
03514 p.begin( viewport() );
03515
03516 int vx, vy;
03517 contentsToViewport( x, y, vx, vy );
03518 p.fillRect( vx, vy, w, h, Qt::red );
03519 p.end();
03520 #endif
03521
03522 d->updateRegion = d->updateRegion.unite(QRect(x,y,w,h));
03523
03524 if (asap && !parsing)
03525 unscheduleRepaint();
03526
03527 if ( !d->repaintTimerId )
03528 d->repaintTimerId = startTimer( time );
03529
03530
03531 }
03532
03533 void KHTMLView::complete( bool pendingAction )
03534 {
03535
03536
03537 d->complete = true;
03538
03539
03540 if (d->layoutTimerId)
03541 {
03542
03543
03544 killTimer(d->layoutTimerId);
03545 d->layoutTimerId = startTimer( 0 );
03546 d->emitCompletedAfterRepaint = pendingAction ?
03547 KHTMLViewPrivate::CSActionPending : KHTMLViewPrivate::CSFull;
03548 }
03549
03550
03551 if (d->repaintTimerId)
03552 {
03553
03554
03555 killTimer(d->repaintTimerId);
03556 d->repaintTimerId = startTimer( 20 );
03557 d->emitCompletedAfterRepaint = pendingAction ?
03558 KHTMLViewPrivate::CSActionPending : KHTMLViewPrivate::CSFull;
03559 }
03560
03561 if (!d->emitCompletedAfterRepaint)
03562 {
03563 if (!pendingAction)
03564 emit m_part->completed();
03565 else
03566 emit m_part->completed(true);
03567 }
03568
03569 }
03570
03571 void KHTMLView::slotMouseScrollTimer()
03572 {
03573 scrollBy( d->m_mouseScroll_byX, d->m_mouseScroll_byY );
03574 }
03575
03576 #ifndef KHTML_NO_CARET
03577
03578
03579
03580
03581 #include "khtml_caret.cpp"
03582
03583 void KHTMLView::initCaret(bool keepSelection)
03584 {
03585 #if DEBUG_CARETMODE > 0
03586 kdDebug(6200) << "begin initCaret" << endl;
03587 #endif
03588
03589 if (m_part->xmlDocImpl()) {
03590 #if 0
03591 ElementImpl *listitem = m_part->xmlDocImpl()->getElementById("__test_element__");
03592 if (listitem) dumpLineBoxes(static_cast<RenderFlow *>(listitem->renderer()));
03593 #endif
03594 d->caretViewContext();
03595 bool cmoved = d->m_caretViewContext->caretMoved;
03596 if (m_part->d->caretNode().isNull()) {
03597
03598 m_part->d->caretNode() = m_part->document();
03599 m_part->d->caretOffset() = 0L;
03600
03601
03602
03603 if (!m_part->d->caretNode().handle()->renderer()) return;
03604 }
03605
03606
03607
03608 moveCaretTo(m_part->d->caretNode().handle(), m_part->d->caretOffset(), !keepSelection);
03609
03610
03611 d->m_caretViewContext->caretMoved = cmoved;
03612 }
03613 #if DEBUG_CARETMODE > 0
03614 kdDebug(6200) << "end initCaret" << endl;
03615 #endif
03616 }
03617
03618 bool KHTMLView::caretOverrides() const
03619 {
03620 bool cm = m_part->isCaretMode();
03621 bool dm = m_part->isEditable();
03622 return cm && !dm ? false
03623 : (dm || m_part->d->caretNode().handle()->contentEditable())
03624 && d->editorContext()->override;
03625 }
03626
03627 void KHTMLView::ensureNodeHasFocus(NodeImpl *node)
03628 {
03629 if (m_part->isCaretMode() || m_part->isEditable()) return;
03630 if (node->focused()) return;
03631
03632
03633 NodeImpl *firstAncestor = 0;
03634 while (node) {
03635 if (node->renderer()
03636 && node->renderer()->style()->userInput() != UI_ENABLED)
03637 break;
03638 firstAncestor = node;
03639 node = node->parentNode();
03640 }
03641
03642 if (!node) firstAncestor = 0;
03643
03644 DocumentImpl *doc = m_part->xmlDocImpl();
03645
03646 if (!firstAncestor && doc->focusNode() && doc->focusNode()->renderer()
03647 && doc->focusNode()->renderer()->isWidget())
03648 return;
03649
03650
03651 #if DEBUG_CARETMODE > 1
03652 kdDebug(6200) << k_funcinfo << "firstAncestor " << firstAncestor << ": "
03653 << (firstAncestor ? firstAncestor->nodeName().string() : QString::null) << endl;
03654 #endif
03655 doc->setFocusNode(firstAncestor);
03656 emit m_part->nodeActivated(Node(firstAncestor));
03657 }
03658
03659 void KHTMLView::recalcAndStoreCaretPos(CaretBox *hintBox)
03660 {
03661 if (!m_part || m_part->d->caretNode().isNull()) return;
03662 d->caretViewContext();
03663 NodeImpl *caretNode = m_part->d->caretNode().handle();
03664 #if DEBUG_CARETMODE > 0
03665 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;
03666 #endif
03667 caretNode->getCaret(m_part->d->caretOffset(), caretOverrides(),
03668 d->m_caretViewContext->x, d->m_caretViewContext->y,
03669 d->m_caretViewContext->width,
03670 d->m_caretViewContext->height);
03671
03672 if (hintBox && d->m_caretViewContext->x == -1) {
03673 #if DEBUG_CARETMODE > 1
03674 kdDebug(6200) << "using hint inline box coordinates" << endl;
03675 #endif
03676 RenderObject *r = caretNode->renderer();
03677 const QFontMetrics &fm = r->style()->fontMetrics();
03678 int absx, absy;
03679 r->containingBlock()->absolutePosition(absx, absy,
03680 false);
03681 d->m_caretViewContext->x = absx + hintBox->xPos();
03682 d->m_caretViewContext->y = absy + hintBox->yPos();
03683
03684 d->m_caretViewContext->width = 1;
03685
03686
03687 d->m_caretViewContext->height = fm.height();
03688 }
03689
03690 #if DEBUG_CARETMODE > 4
03691
03692 #endif
03693 #if DEBUG_CARETMODE > 0
03694 kdDebug(6200) << "caret: ofs="<<m_part->d->caretOffset()<<" "
03695 <<" x="<<d->m_caretViewContext->x<<" y="<<d->m_caretViewContext->y
03696 <<" h="<<d->m_caretViewContext->height<<endl;
03697 #endif
03698 }
03699
03700 void KHTMLView::caretOn()
03701 {
03702 if (d->m_caretViewContext) {
03703 killTimer(d->m_caretViewContext->freqTimerId);
03704
03705 if (hasFocus() || d->m_caretViewContext->displayNonFocused
03706 == KHTMLPart::CaretBlink) {
03707 d->m_caretViewContext->freqTimerId = startTimer(500);
03708 } else {
03709 d->m_caretViewContext->freqTimerId = -1;
03710 }
03711
03712 d->m_caretViewContext->visible = true;
03713 if ((d->m_caretViewContext->displayed = (hasFocus()
03714 || d->m_caretViewContext->displayNonFocused
03715 != KHTMLPart::CaretInvisible))) {
03716 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03717 d->m_caretViewContext->width,
03718 d->m_caretViewContext->height);
03719 }
03720
03721 }
03722 }
03723
03724 void KHTMLView::caretOff()
03725 {
03726 if (d->m_caretViewContext) {
03727 killTimer(d->m_caretViewContext->freqTimerId);
03728 d->m_caretViewContext->freqTimerId = -1;
03729 d->m_caretViewContext->displayed = false;
03730 if (d->m_caretViewContext->visible) {
03731 d->m_caretViewContext->visible = false;
03732 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03733 d->m_caretViewContext->width,
03734 d->m_caretViewContext->height);
03735 }
03736
03737 }
03738 }
03739
03740 void KHTMLView::showCaret(bool forceRepaint)
03741 {
03742 if (d->m_caretViewContext) {
03743 d->m_caretViewContext->displayed = true;
03744 if (d->m_caretViewContext->visible) {
03745 if (!forceRepaint) {
03746 updateContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03747 d->m_caretViewContext->width,
03748 d->m_caretViewContext->height);
03749 } else {
03750 repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03751 d->m_caretViewContext->width,
03752 d->m_caretViewContext->height);
03753 }
03754 }
03755
03756 }
03757 }
03758
03759 bool KHTMLView::foldSelectionToCaret(NodeImpl *startNode, long startOffset,
03760 NodeImpl *endNode, long endOffset)
03761 {
03762 m_part->d->m_selectionStart = m_part->d->m_selectionEnd = m_part->d->caretNode();
03763 m_part->d->m_startOffset = m_part->d->m_endOffset = m_part->d->caretOffset();
03764 m_part->d->m_extendAtEnd = true;
03765
03766 bool folded = startNode != endNode || startOffset != endOffset;
03767
03768
03769 if (folded) {
03770 m_part->xmlDocImpl()->clearSelection();
03771 }
03772
03773 return folded;
03774 }
03775
03776 void KHTMLView::hideCaret()
03777 {
03778 if (d->m_caretViewContext) {
03779 if (d->m_caretViewContext->visible) {
03780
03781 d->m_caretViewContext->visible = false;
03782
03783
03784 repaintContents(d->m_caretViewContext->x, d->m_caretViewContext->y,
03785 d->m_caretViewContext->width,
03786 d->m_caretViewContext->height);
03787 d->m_caretViewContext->visible = true;
03788 }
03789 d->m_caretViewContext->displayed = false;
03790
03791 }
03792 }
03793
03794 int KHTMLView::caretDisplayPolicyNonFocused() const
03795 {
03796 if (d->m_caretViewContext)
03797 return d->m_caretViewContext->displayNonFocused;
03798 else
03799 return KHTMLPart::CaretInvisible;
03800 }
03801
03802 void KHTMLView::setCaretDisplayPolicyNonFocused(int policy)
03803 {
03804 d->caretViewContext();
03805
03806 d->m_caretViewContext->displayNonFocused = (KHTMLPart::CaretDisplayPolicy)policy;
03807
03808
03809 if (!hasFocus()) {
03810 switch (d->m_caretViewContext->displayNonFocused) {
03811 case KHTMLPart::CaretInvisible:
03812 hideCaret();
03813 break;
03814 case KHTMLPart::CaretBlink:
03815 if (d->m_caretViewContext->freqTimerId != -1) break;
03816 d->m_caretViewContext->freqTimerId = startTimer(500);
03817
03818 case KHTMLPart::CaretVisible:
03819 d->m_caretViewContext->displayed = true;
03820 showCaret();
03821 break;
03822 }
03823 }
03824 }
03825
03826 bool KHTMLView::placeCaret(CaretBox *hintBox)
03827 {
03828 CaretViewContext *cv = d->caretViewContext();
03829 caretOff();
03830 NodeImpl *caretNode = m_part->d->caretNode().handle();
03831
03832 if (!caretNode || !caretNode->renderer()) return false;
03833 ensureNodeHasFocus(caretNode);
03834 if (m_part->isCaretMode() || m_part->isEditable()
03835 || caretNode->renderer()->style()->userInput() == UI_ENABLED) {
03836 recalcAndStoreCaretPos(hintBox);
03837
03838 cv->origX = cv->x;
03839
03840 caretOn();
03841 return true;
03842 }
03843 return false;
03844 }
03845
03846 void KHTMLView::ensureCaretVisible()
03847 {
03848 CaretViewContext *cv = d->m_caretViewContext;
03849 if (!cv) return;
03850 ensureVisible(cv->x, cv->y, cv->width, cv->height);
03851 d->scrollBarMoved = false;
03852 }
03853
03854 bool KHTMLView::extendSelection(NodeImpl *oldStartSel, long oldStartOfs,
03855 NodeImpl *oldEndSel, long oldEndOfs)
03856 {
03857 bool changed = false;
03858 if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd
03859 && m_part->d->m_startOffset == m_part->d->m_endOffset) {
03860 changed = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
03861 m_part->d->m_extendAtEnd = true;
03862 } else do {
03863 changed = m_part->d->m_selectionStart.handle() != oldStartSel
03864 || m_part->d->m_startOffset != oldStartOfs
03865 || m_part->d->m_selectionEnd.handle() != oldEndSel
03866 || m_part->d->m_endOffset != oldEndOfs;
03867 if (!changed) break;
03868
03869
03870 NodeImpl *startNode;
03871 long startOffset;
03872 if (m_part->d->m_extendAtEnd) {
03873 startNode = m_part->d->m_selectionStart.handle();
03874 startOffset = m_part->d->m_startOffset;
03875 } else {
03876 startNode = m_part->d->m_selectionEnd.handle();
03877 startOffset = m_part->d->m_endOffset;
03878 m_part->d->m_selectionEnd = m_part->d->m_selectionStart;
03879 m_part->d->m_endOffset = m_part->d->m_startOffset;
03880 m_part->d->m_extendAtEnd = true;
03881 }
03882
03883 bool swapNeeded = false;
03884 if (!m_part->d->m_selectionEnd.isNull() && startNode) {
03885 swapNeeded = RangeImpl::compareBoundaryPoints(startNode, startOffset,
03886 m_part->d->m_selectionEnd.handle(),
03887 m_part->d->m_endOffset) >= 0;
03888 }
03889
03890 m_part->d->m_selectionStart = startNode;
03891 m_part->d->m_startOffset = startOffset;
03892
03893 if (swapNeeded) {
03894 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionEnd.handle(),
03895 m_part->d->m_endOffset, m_part->d->m_selectionStart.handle(),
03896 m_part->d->m_startOffset);
03897 } else {
03898 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(),
03899 m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(),
03900 m_part->d->m_endOffset);
03901 }
03902 } while(false);
03903 return changed;
03904 }
03905
03906 void KHTMLView::updateSelection(NodeImpl *oldStartSel, long oldStartOfs,
03907 NodeImpl *oldEndSel, long oldEndOfs)
03908 {
03909 if (m_part->d->m_selectionStart == m_part->d->m_selectionEnd
03910 && m_part->d->m_startOffset == m_part->d->m_endOffset) {
03911 if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs)) {
03912 m_part->emitSelectionChanged();
03913 }
03914 m_part->d->m_extendAtEnd = true;
03915 } else {
03916
03917 if (!m_part->d->m_selectionEnd.isNull() && !m_part->d->m_selectionEnd.isNull()) {
03918 bool swapNeeded = RangeImpl::compareBoundaryPoints(
03919 m_part->d->m_selectionStart.handle(), m_part->d->m_startOffset,
03920 m_part->d->m_selectionEnd.handle(), m_part->d->m_endOffset) >= 0;
03921 if (swapNeeded) {
03922 DOM::Node tmpNode = m_part->d->m_selectionStart;
03923 long tmpOffset = m_part->d->m_startOffset;
03924 m_part->d->m_selectionStart = m_part->d->m_selectionEnd;
03925 m_part->d->m_startOffset = m_part->d->m_endOffset;
03926 m_part->d->m_selectionEnd = tmpNode;
03927 m_part->d->m_endOffset = tmpOffset;
03928 m_part->d->m_startBeforeEnd = true;
03929 m_part->d->m_extendAtEnd = !m_part->d->m_extendAtEnd;
03930 }
03931 }
03932
03933 m_part->xmlDocImpl()->setSelection(m_part->d->m_selectionStart.handle(),
03934 m_part->d->m_startOffset, m_part->d->m_selectionEnd.handle(),
03935 m_part->d->m_endOffset);
03936 m_part->emitSelectionChanged();
03937 }
03938 }
03939
03940 void KHTMLView::caretKeyPressEvent(QKeyEvent *_ke)
03941 {
03942 NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle();
03943 long oldStartOfs = m_part->d->m_startOffset;
03944 NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle();
03945 long oldEndOfs = m_part->d->m_endOffset;
03946
03947 NodeImpl *oldCaretNode = m_part->d->caretNode().handle();
03948 long oldOffset = m_part->d->caretOffset();
03949
03950 bool ctrl = _ke->state() & ControlButton;
03951
03952
03953 switch(_ke->key()) {
03954 case Key_Space:
03955 break;
03956
03957 case Key_Down:
03958 moveCaretNextLine(1);
03959 break;
03960
03961 case Key_Up:
03962 moveCaretPrevLine(1);
03963 break;
03964
03965 case Key_Left:
03966 moveCaretBy(false, ctrl ? CaretByWord : CaretByCharacter, 1);
03967 break;
03968
03969 case Key_Right:
03970 moveCaretBy(true, ctrl ? CaretByWord : CaretByCharacter, 1);
03971 break;
03972
03973 case Key_Next:
03974 moveCaretNextPage();
03975 break;
03976
03977 case Key_Prior:
03978 moveCaretPrevPage();
03979 break;
03980
03981 case Key_Home:
03982 if (ctrl)
03983 moveCaretToDocumentBoundary(false);
03984 else
03985 moveCaretToLineBegin();
03986 break;
03987
03988 case Key_End:
03989 if (ctrl)
03990 moveCaretToDocumentBoundary(true);
03991 else
03992 moveCaretToLineEnd();
03993 break;
03994
03995 }
03996
03997 if ((m_part->d->caretNode().handle() != oldCaretNode
03998 || m_part->d->caretOffset() != oldOffset)
03999
04000 && !m_part->d->caretNode().isNull()) {
04001
04002 d->m_caretViewContext->caretMoved = true;
04003
04004 if (_ke->state() & ShiftButton) {
04005 updateSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04006 } else {
04007 if (foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs))
04008 m_part->emitSelectionChanged();
04009 }
04010
04011 m_part->emitCaretPositionChanged(m_part->d->caretNode(), m_part->d->caretOffset());
04012 }
04013
04014 _ke->accept();
04015 }
04016
04017 bool KHTMLView::moveCaretTo(NodeImpl *node, long offset, bool clearSel)
04018 {
04019 if (!node) return false;
04020 ElementImpl *baseElem = determineBaseElement(node);
04021 RenderFlow *base = static_cast<RenderFlow *>(baseElem ? baseElem->renderer() : 0);
04022 if (!node) return false;
04023
04024
04025
04026
04027 CaretBoxLineDeleter cblDeleter;
04028
04029 long r_ofs;
04030 CaretBoxIterator cbit;
04031 CaretBoxLine *cbl = findCaretBoxLine(node, offset, &cblDeleter, base, r_ofs, cbit);
04032 if(!cbl) {
04033 kdWarning() << "KHTMLView::moveCaretTo - findCaretBoxLine() returns NULL" << endl;
04034 return false;
04035 }
04036
04037 #if DEBUG_CARETMODE > 3
04038 if (cbl) kdDebug(6200) << cbl->information() << endl;
04039 #endif
04040 CaretBox *box = *cbit;
04041 if (cbit != cbl->end() && box->object() != node->renderer()) {
04042 if (box->object()->element()) {
04043 mapRenderPosToDOMPos(box->object(), r_ofs, box->isOutside(),
04044 box->isOutsideEnd(), node, offset);
04045
04046 #if DEBUG_CARETMODE > 1
04047 kdDebug(6200) << "set new node " << node->nodeName().string() << "@" << node << endl;
04048 #endif
04049 } else {
04050
04051 box = 0;
04052 kdError(6200) << "Box contains no node! Crash imminent" << endl;
04053 }
04054 }
04055
04056 NodeImpl *oldStartSel = m_part->d->m_selectionStart.handle();
04057 long oldStartOfs = m_part->d->m_startOffset;
04058 NodeImpl *oldEndSel = m_part->d->m_selectionEnd.handle();
04059 long oldEndOfs = m_part->d->m_endOffset;
04060
04061
04062 bool posChanged = m_part->d->caretNode().handle() != node
04063 || m_part->d->caretOffset() != offset;
04064 bool selChanged = false;
04065
04066 m_part->d->caretNode() = node;
04067 m_part->d->caretOffset() = offset;
04068 if (clearSel || !oldStartSel || !oldEndSel) {
04069 selChanged = foldSelectionToCaret(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04070 } else {
04071
04072
04073 selChanged = extendSelection(oldStartSel, oldStartOfs, oldEndSel, oldEndOfs);
04074
04075
04076 }
04077
04078 d->caretViewContext()->caretMoved = true;
04079
04080 bool visible_caret = placeCaret(box);
04081
04082
04083
04084
04085 if (posChanged) {
04086 m_part->emitCaretPositionChanged(visible_caret ? node : 0, offset);
04087 }
04088
04089 return selChanged;
04090 }
04091
04092 void KHTMLView::moveCaretByLine(bool next, int count)
04093 {
04094 Node &caretNodeRef = m_part->d->caretNode();
04095 if (caretNodeRef.isNull()) return;
04096
04097 NodeImpl *caretNode = caretNodeRef.handle();
04098
04099 long offset = m_part->d->caretOffset();
04100
04101 CaretViewContext *cv = d->caretViewContext();
04102
04103 ElementImpl *baseElem = determineBaseElement(caretNode);
04104 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04105
04106 ErgonomicEditableLineIterator it(ld.current(), cv->origX);
04107
04108
04109 while (count > 0 && it != ld.end() && it != ld.preBegin()) {
04110 count--;
04111 if (next) ++it; else --it;
04112 }
04113
04114
04115 if (it == ld.end() || it == ld.preBegin()) return;
04116
04117 int x, absx, absy;
04118 CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy);
04119
04120 placeCaretOnLine(caretBox, x, absx, absy);
04121 }
04122
04123 void KHTMLView::placeCaretOnLine(CaretBox *caretBox, int x, int absx, int absy)
04124 {
04125
04126 if (!caretBox) return;
04127
04128 RenderObject *caretRender = caretBox->object();
04129
04130 #if DEBUG_CARETMODE > 0
04131 kdDebug(6200) << "got valid caretBox " << caretBox << endl;
04132 kdDebug(6200) << "xPos: " << caretBox->xPos() << " yPos: " << caretBox->yPos()
04133 << " width: " << caretBox->width() << " height: " << caretBox->height() << endl;
04134 InlineTextBox *tb = static_cast<InlineTextBox *>(caretBox->inlineBox());
04135 if (caretBox->isInlineTextBox()) { kdDebug(6200) << "contains \"" << QString(static_cast<RenderText *>(tb->object())->str->s + tb->m_start, tb->m_len) << "\"" << endl;}
04136 #endif
04137
04138 int caretHeight = caretBox->height();
04139 bool isText = caretBox->isInlineTextBox();
04140 int yOfs = 0;
04141 if (isText) {
04142
04143 RenderText *t = static_cast<RenderText *>(caretRender);
04144 const QFontMetrics &fm = t->metrics(caretBox->inlineBox()->m_firstLine);
04145 caretHeight = fm.height();
04146 yOfs = caretBox->inlineBox()->baseline() - fm.ascent();
04147 }
04148
04149 caretOff();
04150
04151
04152 NodeImpl *caretNode;
04153 long &offset = m_part->d->caretOffset();
04154 mapRenderPosToDOMPos(caretRender, offset, caretBox->isOutside(),
04155 caretBox->isOutsideEnd(), caretNode, offset);
04156
04157
04158 d->m_caretViewContext->y = caretBox->yPos() + yOfs;
04159 d->m_caretViewContext->height = caretHeight;
04160 d->m_caretViewContext->width = 1;
04161
04162 int xPos = caretBox->xPos();
04163 int caretBoxWidth = caretBox->width();
04164 d->m_caretViewContext->x = xPos;
04165
04166 if (!caretBox->isOutside()) {
04167
04168 long r_ofs = 0;
04169 if (x <= xPos) {
04170 r_ofs = caretBox->minOffset();
04171
04172 } else if (x > xPos && x <= xPos + caretBoxWidth) {
04173 if (isText) {
04174 r_ofs = static_cast<InlineTextBox *>(caretBox->inlineBox())
04175 ->offsetForPoint(x, d->m_caretViewContext->x);
04176 #if DEBUG_CARETMODE > 2
04177 kdDebug(6200) << "deviation from origX " << d->m_caretViewContext->x - x << endl;
04178 #endif
04179 #if 0
04180 } else {
04181 if (xPos + caretBoxWidth - x < x - xPos) {
04182 d->m_caretViewContext->x = xPos + caretBoxWidth;
04183 r_ofs = caretNode ? caretNode->maxOffset() : 1;
04184 } else {
04185 d->m_caretViewContext->x = xPos;
04186 r_ofs = caretNode ? caretNode->minOffset() : 0;
04187 }
04188 #endif
04189 }
04190 } else {
04191 d->m_caretViewContext->x = xPos + caretBoxWidth;
04192 r_ofs = caretBox->maxOffset();
04193 }
04194 offset = r_ofs;
04195 }
04196 #if DEBUG_CARETMODE > 0
04197 kdDebug(6200) << "new offset: " << offset << endl;
04198 #endif
04199
04200 m_part->d->caretNode() = caretNode;
04201 m_part->d->caretOffset() = offset;
04202
04203 d->m_caretViewContext->x += absx;
04204 d->m_caretViewContext->y += absy;
04205
04206 #if DEBUG_CARETMODE > 1
04207 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;
04208 #endif
04209
04210 ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y,
04211 d->m_caretViewContext->width, d->m_caretViewContext->height);
04212 d->scrollBarMoved = false;
04213
04214 ensureNodeHasFocus(caretNode);
04215 caretOn();
04216 }
04217
04218 void KHTMLView::moveCaretToLineBoundary(bool end)
04219 {
04220 Node &caretNodeRef = m_part->d->caretNode();
04221 if (caretNodeRef.isNull()) return;
04222
04223 NodeImpl *caretNode = caretNodeRef.handle();
04224
04225 long offset = m_part->d->caretOffset();
04226
04227 ElementImpl *baseElem = determineBaseElement(caretNode);
04228 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04229
04230 EditableLineIterator it = ld.current();
04231 if (it == ld.end()) return;
04232
04233 EditableCaretBoxIterator fbit(it, end);
04234 Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin());
04235 CaretBox *b = *fbit;
04236
04237 RenderObject *cb = b->containingBlock();
04238 int absx, absy;
04239
04240 if (cb) cb->absolutePosition(absx,absy);
04241 else absx = absy = 0;
04242
04243 int x = b->xPos() + (end && !b->isOutside() ? b->width() : 0);
04244 d->m_caretViewContext->origX = absx + x;
04245 placeCaretOnLine(b, x, absx, absy);
04246 }
04247
04248 void KHTMLView::moveCaretToDocumentBoundary(bool end)
04249 {
04250 Node &caretNodeRef = m_part->d->caretNode();
04251 if (caretNodeRef.isNull()) return;
04252
04253 NodeImpl *caretNode = caretNodeRef.handle();
04254
04255 long offset = m_part->d->caretOffset();
04256
04257 ElementImpl *baseElem = determineBaseElement(caretNode);
04258 LinearDocument ld(m_part, caretNode, offset, IndicatedFlows, baseElem);
04259
04260 EditableLineIterator it(end ? ld.preEnd() : ld.begin(), end);
04261 if (it == ld.end() || it == ld.preBegin()) return;
04262
04263 EditableCaretBoxIterator fbit = it;
04264 Q_ASSERT(fbit != (*it)->end() && fbit != (*it)->preBegin());
04265 CaretBox *b = *fbit;
04266
04267 RenderObject *cb = (*it)->containingBlock();
04268 int absx, absy;
04269
04270 if (cb) cb->absolutePosition(absx, absy);
04271 else absx = absy = 0;
04272
04273 int x = b->xPos();
04274 d->m_caretViewContext->origX = absx + x;
04275 placeCaretOnLine(b, x, absx, absy);
04276 }
04277
04278 void KHTMLView::moveCaretBy(bool next, CaretMovement cmv, int count)
04279 {
04280 if (!m_part) return;
04281 Node &caretNodeRef = m_part->d->caretNode();
04282 if (caretNodeRef.isNull()) return;
04283
04284 NodeImpl *caretNode = caretNodeRef.handle();
04285
04286 long &offset = m_part->d->caretOffset();
04287
04288 ElementImpl *baseElem = determineBaseElement(caretNode);
04289 CaretAdvancePolicy advpol = cmv != CaretByWord ? IndicatedFlows : LeafsOnly;
04290 LinearDocument ld(m_part, caretNode, offset, advpol, baseElem);
04291
04292 EditableCharacterIterator it(&ld);
04293 while (!it.isEnd() && count > 0) {
04294 count--;
04295 if (cmv == CaretByCharacter) {
04296 if (next) ++it;
04297 else --it;
04298 } else if (cmv == CaretByWord) {
04299 if (next) moveItToNextWord(it);
04300 else moveItToPrevWord(it);
04301 }
04302
04303 }
04304 CaretBox *hintBox = 0;
04305 if (!it.isEnd()) {
04306 NodeImpl *node = caretNodeRef.handle();
04307 hintBox = it.caretBox();
04308
04309
04310 mapRenderPosToDOMPos(it.renderer(), it.offset(), hintBox->isOutside(),
04311 hintBox->isOutsideEnd(), node, offset);
04312
04313 caretNodeRef = node;
04314 #if DEBUG_CARETMODE > 2
04315 kdDebug(6200) << "set by valid node " << node << " " << (node?node->nodeName().string():QString::null) << " offset: " << offset << endl;
04316 #endif
04317 } else {
04318 offset = next ? caretNode->maxOffset() : caretNode->minOffset();
04319 #if DEBUG_CARETMODE > 0
04320 kdDebug(6200) << "set by INvalid node. offset: " << offset << endl;
04321 #endif
04322 }
04323 placeCaretOnChar(hintBox);
04324 }
04325
04326 void KHTMLView::placeCaretOnChar(CaretBox *hintBox)
04327 {
04328 caretOff();
04329 recalcAndStoreCaretPos(hintBox);
04330 ensureVisible(d->m_caretViewContext->x, d->m_caretViewContext->y,
04331 d->m_caretViewContext->width, d->m_caretViewContext->height);
04332 d->m_caretViewContext->origX = d->m_caretViewContext->x;
04333 d->scrollBarMoved = false;
04334 #if DEBUG_CARETMODE > 3
04335
04336 #endif
04337 ensureNodeHasFocus(m_part->d->caretNode().handle());
04338 caretOn();
04339 }
04340
04341 void KHTMLView::moveCaretByPage(bool next)
04342 {
04343 Node &caretNodeRef = m_part->d->caretNode();
04344 if (caretNodeRef.isNull()) return;
04345
04346 NodeImpl *caretNode = caretNodeRef.handle();
04347
04348 long offset = m_part->d->caretOffset();
04349
04350 int offs = (clipper()->height() < 30) ? clipper()->height() : 30;
04351
04352 int mindist = clipper()->height() - offs;
04353
04354 CaretViewContext *cv = d->caretViewContext();
04355
04356
04357 ElementImpl *baseElem = determineBaseElement(caretNode);
04358 LinearDocument ld(m_part, caretNode, offset, LeafsOnly, baseElem);
04359
04360 ErgonomicEditableLineIterator it(ld.current(), cv->origX);
04361
04362 moveIteratorByPage(ld, it, mindist, next);
04363
04364 int x, absx, absy;
04365 CaretBox *caretBox = nearestCaretBox(it, d->m_caretViewContext, x, absx, absy);
04366
04367 placeCaretOnLine(caretBox, x, absx, absy);
04368 }
04369
04370 void KHTMLView::moveCaretPrevWord()
04371 {
04372 moveCaretBy(false, CaretByWord, 1);
04373 }
04374
04375 void KHTMLView::moveCaretNextWord()
04376 {
04377 moveCaretBy(true, CaretByWord, 1);
04378 }
04379
04380 void KHTMLView::moveCaretPrevLine(int n)
04381 {
04382 moveCaretByLine(false, n);
04383 }
04384
04385 void KHTMLView::moveCaretNextLine(int n)
04386 {
04387 moveCaretByLine(true, n);
04388 }
04389
04390 void KHTMLView::moveCaretPrevPage()
04391 {
04392 moveCaretByPage(false);
04393 }
04394
04395 void KHTMLView::moveCaretNextPage()
04396 {
04397 moveCaretByPage(true);
04398 }
04399
04400 void KHTMLView::moveCaretToLineBegin()
04401 {
04402 moveCaretToLineBoundary(false);
04403 }
04404
04405 void KHTMLView::moveCaretToLineEnd()
04406 {
04407 moveCaretToLineBoundary(true);
04408 }
04409
04410 #endif // KHTML_NO_CARET
04411
04412 #undef DEBUG_CARETMODE