diff options
Diffstat (limited to 'src/declarative/items/qsgtextedit.cpp')
| -rw-r--r-- | src/declarative/items/qsgtextedit.cpp | 226 |
1 files changed, 179 insertions, 47 deletions
diff --git a/src/declarative/items/qsgtextedit.cpp b/src/declarative/items/qsgtextedit.cpp index 8e76a8bffd..eeeaa206db 100644 --- a/src/declarative/items/qsgtextedit.cpp +++ b/src/declarative/items/qsgtextedit.cpp @@ -43,6 +43,8 @@ #include "qsgtextedit_p_p.h" #include "qsgevents_p_p.h" #include "qsgcanvas.h" +#include "qsgtextnode_p.h" +#include "qsgsimplerectnode.h" #include <QtDeclarative/qdeclarativeinfo.h> #include <QtGui/qapplication.h> @@ -55,9 +57,14 @@ #include <private/qtextcontrol_p.h> #include <private/qtextengine_p.h> #include <private/qwidget_p.h> +#include <private/qsgdistancefieldglyphcache_p.h> +#include <private/qsgtexture_p.h> +#include <private/qsgadaptationlayer_p.h> QT_BEGIN_NAMESPACE +DEFINE_BOOL_CONFIG_OPTION(qmlDisableDistanceField, QML_DISABLE_DISTANCEFIELD) + QWidgetPrivate *qt_widget_private(QWidget *widget); /*! \qmlclass TextEdit QSGTextEdit @@ -111,7 +118,7 @@ TextEdit { \a link string provides access to the particular link. */ QSGTextEdit::QSGTextEdit(QSGItem *parent) -: QSGImplicitSizePaintedItem(*(new QSGTextEditPrivate), parent) +: QSGImplicitSizeItem(*(new QSGTextEditPrivate), parent) { Q_D(QSGTextEdit); d->init(); @@ -255,6 +262,7 @@ void QSGTextEdit::setText(const QString &text) #else d->control->setPlainText(text); #endif + d->isComplexRichText = QSGTextNode::isComplexRichText(d->document); } else { d->control->setPlainText(text); } @@ -324,6 +332,7 @@ void QSGTextEdit::setTextFormat(TextFormat format) d->control->setPlainText(d->text); #endif updateSize(); + d->isComplexRichText = QSGTextNode::isComplexRichText(d->document); } d->format = format; d->control->setAcceptRichText(d->format != PlainText); @@ -358,7 +367,7 @@ void QSGTextEdit::setFont(const QFont &font) moveCursorDelegate(); } updateSize(); - update(); + updateDocument(); } emit fontChanged(d->sourceFont); } @@ -394,7 +403,7 @@ void QSGTextEdit::setColor(const QColor &color) QPalette pal = d->control->palette(); pal.setColor(QPalette::Text, color); d->control->setPalette(pal); - update(); + updateDocument(); emit colorChanged(d->color); } @@ -419,7 +428,7 @@ void QSGTextEdit::setSelectionColor(const QColor &color) QPalette pal = d->control->palette(); pal.setColor(QPalette::Highlight, color); d->control->setPalette(pal); - update(); + updateDocument(); emit selectionColorChanged(d->selectionColor); } @@ -444,7 +453,7 @@ void QSGTextEdit::setSelectedTextColor(const QColor &color) QPalette pal = d->control->palette(); pal.setColor(QPalette::HighlightedText, color); d->control->setPalette(pal); - update(); + updateDocument(); emit selectedTextColorChanged(d->selectedTextColor); } @@ -861,7 +870,7 @@ void QSGTextEdit::setCursorDelegate(QDeclarativeComponent* c) if(d->cursorComponent){ if(d->cursor){ d->control->setCursorWidth(-1); - update(cursorRectangle()); + updateCursor(); delete d->cursor; d->cursor = 0; } @@ -886,7 +895,7 @@ void QSGTextEdit::loadCursorDelegate() d->cursor = qobject_cast<QSGItem*>(d->cursorComponent->create(qmlContext(this))); if(d->cursor){ d->control->setCursorWidth(0); - update(cursorRectangle()); + updateCursor(); QDeclarative_setParent_noEvent(d->cursor, this); d->cursor->setParentItem(this); d->cursor->setHeight(QFontMetrics(d->font).height()); @@ -1016,7 +1025,7 @@ void QSGTextEdit::geometryChanged(const QRectF &newGeometry, { if (newGeometry.width() != oldGeometry.width()) updateSize(); - QSGPaintedItem::geometryChanged(newGeometry, oldGeometry); + QSGImplicitSizeItem::geometryChanged(newGeometry, oldGeometry); } /*! @@ -1026,13 +1035,19 @@ void QSGTextEdit::geometryChanged(const QRectF &newGeometry, void QSGTextEdit::componentComplete() { Q_D(QSGTextEdit); - QSGPaintedItem::componentComplete(); + QSGImplicitSizeItem::componentComplete(); + + if (d->richText) { + d->isComplexRichText = QSGTextNode::isComplexRichText(d->document); + } + if (d->dirty) { d->determineHorizontalAlignment(); d->updateDefaultTextOption(); updateSize(); d->dirty = false; } + } /*! \qmlproperty bool QtQuick2::TextEdit::selectByMouse @@ -1164,7 +1179,7 @@ bool QSGTextEdit::event(QEvent *event) d->control->processEvent(event, QPointF(0, -d->yoff)); return event->isAccepted(); } - return QSGPaintedItem::event(event); + return QSGImplicitSizeItem::event(event); } /*! @@ -1176,7 +1191,7 @@ void QSGTextEdit::keyPressEvent(QKeyEvent *event) Q_D(QSGTextEdit); d->control->processEvent(event, QPointF(0, -d->yoff)); if (!event->isAccepted()) - QSGPaintedItem::keyPressEvent(event); + QSGImplicitSizeItem::keyPressEvent(event); } /*! @@ -1188,7 +1203,7 @@ void QSGTextEdit::keyReleaseEvent(QKeyEvent *event) Q_D(QSGTextEdit); d->control->processEvent(event, QPointF(0, -d->yoff)); if (!event->isAccepted()) - QSGPaintedItem::keyReleaseEvent(event); + QSGImplicitSizeItem::keyReleaseEvent(event); } /*! @@ -1332,7 +1347,7 @@ void QSGTextEdit::mousePressEvent(QGraphicsSceneMouseEvent *event) } d->control->processEvent(event, QPointF(0, -d->yoff)); if (!event->isAccepted()) - QSGPaintedItem::mousePressEvent(event); + QSGImplicitSizeItem::mousePressEvent(event); } /*! @@ -1353,7 +1368,7 @@ void QSGTextEdit::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) d->clickCausedFocus = false; if (!event->isAccepted()) - QSGPaintedItem::mouseReleaseEvent(event); + QSGImplicitSizeItem::mouseReleaseEvent(event); } /*! @@ -1365,7 +1380,7 @@ void QSGTextEdit::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) Q_D(QSGTextEdit); d->control->processEvent(event, QPointF(0, -d->yoff)); if (!event->isAccepted()) - QSGPaintedItem::mouseDoubleClickEvent(event); + QSGImplicitSizeItem::mouseDoubleClickEvent(event); } /*! @@ -1377,7 +1392,7 @@ void QSGTextEdit::mouseMoveEvent(QGraphicsSceneMouseEvent *event) Q_D(QSGTextEdit); d->control->processEvent(event, QPointF(0, -d->yoff)); if (!event->isAccepted()) - QSGPaintedItem::mouseMoveEvent(event); + QSGImplicitSizeItem::mouseMoveEvent(event); } /*! @@ -1412,41 +1427,122 @@ QVariant QSGTextEdit::inputMethodQuery(Qt::InputMethodQuery property) const return d->control->inputMethodQuery(property); } -/*! -Draws the contents of the text edit using the given \a painter within -the given \a bounds. -*/ -void QSGTextEdit::paint(QPainter *painter) +void QSGTextEdit::updateImageCache(const QRectF &) { - // XXX todo - QRect bounds(0, 0, width(), height()); Q_D(QSGTextEdit); - painter->setRenderHint(QPainter::TextAntialiasing, true); - painter->translate(0,d->yoff); + // Do we really need the image cache? + if (!d->richText || !d->isComplexRichText) { + if (!d->pixmapCache.isNull()) + d->pixmapCache = QPixmap(); + return; + } + + if (width() != d->pixmapCache.width() || height() != d->pixmapCache.height()) + d->pixmapCache = QPixmap(width(), height()); + + if (d->pixmapCache.isNull()) + return; + + // ### Use supplied rect, clear area and update only this part (for cursor updates) + QRectF bounds = QRectF(0, 0, width(), height()); + d->pixmapCache.fill(Qt::transparent); + { + QPainter painter(&d->pixmapCache); - d->control->drawContents(painter, bounds.translated(0,-d->yoff)); + painter.setRenderHint(QPainter::TextAntialiasing); + painter.translate(0, d->yoff); + + d->control->drawContents(&painter, bounds); + } - painter->translate(0,-d->yoff); } -void QSGTextEdit::updateImgCache(const QRectF &rf) +QSGNode *QSGTextEdit::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *updatePaintNodeData) { - Q_D(const QSGTextEdit); - QRect r; - if (!rf.isValid()) { - r = QRect(0,0,INT_MAX,INT_MAX); - } else { - r = rf.toRect(); - if (r.height() > INT_MAX/2) { - // Take care of overflow when translating "everything" - r.setTop(r.y() + d->yoff); - r.setBottom(INT_MAX/2); + Q_UNUSED(updatePaintNodeData); + Q_D(QSGTextEdit); + + QSGNode *currentNode = oldNode; + if (d->richText && d->isComplexRichText) { + QSGImageNode *node = 0; + if (oldNode == 0 || d->nodeType != QSGTextEditPrivate::NodeIsTexture) { + delete oldNode; + node = QSGItemPrivate::get(this)->sceneGraphContext()->createImageNode(); + d->texture = new QSGPlainTexture(); + d->nodeType = QSGTextEditPrivate::NodeIsTexture; + currentNode = node; } else { - r = r.translated(0,d->yoff); + node = static_cast<QSGImageNode *>(oldNode); } + + qobject_cast<QSGPlainTexture *>(d->texture)->setImage(d->pixmapCache.toImage()); + node->setTexture(0); + node->setTexture(d->texture); + + node->setTargetRect(QRectF(0, 0, d->pixmapCache.width(), d->pixmapCache.height())); + node->setSourceRect(QRectF(0, 0, 1, 1)); + node->setHorizontalWrapMode(QSGTexture::ClampToEdge); + node->setVerticalWrapMode(QSGTexture::ClampToEdge); + node->setFiltering(QSGTexture::Linear); // Nonsmooth text just ugly, so don't do that.. + node->update(); + + } else if (oldNode == 0 || d->documentDirty) { + d->documentDirty = false; + +#if defined(Q_WS_MAC) + // Make sure document is relayouted in the paint node on Mac + // to avoid crashes due to the font engines created in the + // shaping process + d->document->markContentsDirty(0, d->document->characterCount()); +#endif + + QSGTextNode *node = 0; + if (oldNode == 0 || d->nodeType != QSGTextEditPrivate::NodeIsText) { + delete oldNode; + node = new QSGTextNode(QSGItemPrivate::get(this)->sceneGraphContext()); + d->nodeType = QSGTextEditPrivate::NodeIsText; + currentNode = node; + } else { + node = static_cast<QSGTextNode *>(oldNode); + } + + node->deleteContent(); + node->setMatrix(QMatrix4x4()); + + QRectF bounds = boundingRect(); + + QColor selectionColor = d->control->palette().color(QPalette::Highlight); + QColor selectedTextColor = d->control->palette().color(QPalette::HighlightedText); + node->addTextDocument(bounds.topLeft(), d->document, d->color, QSGText::Normal, QColor(), + selectionColor, selectedTextColor, selectionStart(), + selectionEnd()); + +#if defined(Q_WS_MAC) + // We also need to make sure the document layout is redone when + // control is returned to the main thread, as all the font engines + // are now owned by the rendering thread + d->document->markContentsDirty(0, d->document->characterCount()); +#endif + } + + if (d->nodeType == QSGTextEditPrivate::NodeIsText && d->cursorComponent == 0 && !isReadOnly()) { + QSGTextNode *node = static_cast<QSGTextNode *>(currentNode); + + QColor color = (!d->cursorVisible || !d->control->cursorOn()) + ? QColor(0, 0, 0, 0) + : d->color; + + if (node->cursorNode() == 0) { + node->setCursor(cursorRectangle(), color); + } else { + node->cursorNode()->setRect(cursorRectangle()); + node->cursorNode()->setColor(color); + } + } - update(r); + + return currentNode; } /*! @@ -1502,12 +1598,22 @@ void QSGTextEditPrivate::init() q->setSmooth(smooth); q->setAcceptedMouseButtons(Qt::LeftButton); q->setFlag(QSGItem::ItemAcceptsInputMethod); + q->setFlag(QSGItem::ItemHasContents); control = new QTextControl(q); control->setIgnoreUnusedNavigationEvents(true); control->setTextInteractionFlags(Qt::LinksAccessibleByMouse | Qt::TextSelectableByKeyboard | Qt::TextEditable); control->setDragEnabled(false); + // By default, QTextControl will issue both a updateCursorRequest() and an updateRequest() + // when the cursor needs to be repainted. We need the signals to be separate to be able to + // distinguish the cursor updates so that we can avoid updating the whole subtree when the + // cursor blinks. + if (!QObject::disconnect(control, SIGNAL(updateCursorRequest(QRectF)), + control, SIGNAL(updateRequest(QRectF)))) { + qWarning("QSGTextEditPrivate::init: Failed to disconnect updateCursorRequest and updateRequest"); + } + // QTextControl follows the default text color // defined by the platform, declarative text // should be black by default @@ -1517,8 +1623,8 @@ void QSGTextEditPrivate::init() control->setPalette(pal); } - QObject::connect(control, SIGNAL(updateRequest(QRectF)), q, SLOT(updateImgCache(QRectF))); - + QObject::connect(control, SIGNAL(updateRequest(QRectF)), q, SLOT(updateDocument())); + QObject::connect(control, SIGNAL(updateCursorRequest()), q, SLOT(updateCursor())); QObject::connect(control, SIGNAL(textChanged()), q, SLOT(q_textChanged())); QObject::connect(control, SIGNAL(selectionChanged()), q, SIGNAL(selectionChanged())); QObject::connect(control, SIGNAL(selectionChanged()), q, SLOT(updateSelectionMarkers())); @@ -1597,7 +1703,7 @@ void QSGTextEdit::updateSelectionMarkers() QRectF QSGTextEdit::boundingRect() const { Q_D(const QSGTextEdit); - QRectF r = QSGPaintedItem::boundingRect(); + QRectF r = QSGImplicitSizeItem::boundingRect(); int cursorWidth = 1; if(d->cursor) cursorWidth = d->cursor->width(); @@ -1679,12 +1785,31 @@ void QSGTextEdit::updateSize() setImplicitHeight(newHeight); d->paintedSize = QSize(newWidth, newHeight); - setContentsSize(d->paintedSize); emit paintedSizeChanged(); } else { d->dirty = true; } - update(); + updateDocument(); +} + +void QSGTextEdit::updateDocument() +{ + Q_D(QSGTextEdit); + d->documentDirty = true; + + if (isComponentComplete()) { + updateImageCache(); + update(); + } +} + +void QSGTextEdit::updateCursor() +{ + Q_D(QSGTextEdit); + if (isComponentComplete()) { + updateImageCache(d->control->cursorRect()); + update(); + } } void QSGTextEdit::updateTotalLines() @@ -1725,8 +1850,15 @@ void QSGTextEditPrivate::updateDefaultTextOption() QTextOption::WrapMode oldWrapMode = opt.wrapMode(); opt.setWrapMode(QTextOption::WrapMode(wrapMode)); - if (oldWrapMode == opt.wrapMode() && oldAlignment == opt.alignment()) + bool oldUseDesignMetrics = opt.useDesignMetrics(); + bool useDesignMetrics = !qmlDisableDistanceField(); + opt.setUseDesignMetrics(useDesignMetrics); + + if (oldWrapMode == opt.wrapMode() + && oldAlignment == opt.alignment() + && oldUseDesignMetrics == useDesignMetrics) { return; + } document->setDefaultTextOption(opt); } @@ -1838,7 +1970,7 @@ void QSGTextEdit::focusInEvent(QFocusEvent *event) openSoftwareInputPanel(); } } - QSGPaintedItem::focusInEvent(event); + QSGImplicitSizeItem::focusInEvent(event); } void QSGTextEdit::q_canPasteChanged() |