diff options
Diffstat (limited to 'src/quick/items/qquicktext.cpp')
| -rw-r--r-- | src/quick/items/qquicktext.cpp | 256 |
1 files changed, 230 insertions, 26 deletions
diff --git a/src/quick/items/qquicktext.cpp b/src/quick/items/qquicktext.cpp index c1794697a5..9db5fa2059 100644 --- a/src/quick/items/qquicktext.cpp +++ b/src/quick/items/qquicktext.cpp @@ -66,7 +66,7 @@ QT_BEGIN_NAMESPACE const QChar QQuickTextPrivate::elideChar = QChar(0x2026); QQuickTextPrivate::QQuickTextPrivate() - : elideLayout(0), textLine(0), lineWidth(0) + : elideLayout(0), textLine(0), padding(0), lineWidth(0) , color(0xFF000000), linkColor(0xFF0000FF), styleColor(0xFF000000) , lineCount(1), multilengthEos(-1) , elideMode(QQuickText::ElideNone), hAlign(QQuickText::AlignLeft), vAlign(QQuickText::AlignTop) @@ -85,7 +85,15 @@ QQuickTextPrivate::QQuickTextPrivate() } QQuickTextPrivate::ExtraData::ExtraData() - : lineHeight(1.0) + : topPadding(0) + , leftPadding(0) + , rightPadding(0) + , bottomPadding(0) + , explicitTopPadding(false) + , explicitLeftPadding(false) + , explicitRightPadding(false) + , explicitBottomPadding(false) + , lineHeight(1.0) , doc(0) , minimumPixelSize(12) , minimumPointSize(12) @@ -283,6 +291,74 @@ qreal QQuickTextPrivate::getImplicitHeight() const return implicitHeight; } +qreal QQuickTextPrivate::availableWidth() const +{ + Q_Q(const QQuickText); + return q->width() - q->leftPadding() - q->rightPadding(); +} + +qreal QQuickTextPrivate::availableHeight() const +{ + Q_Q(const QQuickText); + return q->height() - q->topPadding() - q->bottomPadding(); +} + +void QQuickTextPrivate::setTopPadding(qreal value, bool reset) +{ + Q_Q(QQuickText); + qreal oldPadding = q->topPadding(); + if (!reset || extra.isAllocated()) { + extra.value().topPadding = value; + extra.value().explicitTopPadding = !reset; + } + if ((!reset && !qFuzzyCompare(oldPadding, value)) || (reset && !qFuzzyCompare(oldPadding, padding))) { + updateSize(); + emit q->topPaddingChanged(); + } +} + +void QQuickTextPrivate::setLeftPadding(qreal value, bool reset) +{ + Q_Q(QQuickText); + qreal oldPadding = q->leftPadding(); + if (!reset || extra.isAllocated()) { + extra.value().leftPadding = value; + extra.value().explicitLeftPadding = !reset; + } + if ((!reset && !qFuzzyCompare(oldPadding, value)) || (reset && !qFuzzyCompare(oldPadding, padding))) { + updateSize(); + emit q->leftPaddingChanged(); + } +} + +void QQuickTextPrivate::setRightPadding(qreal value, bool reset) +{ + Q_Q(QQuickText); + qreal oldPadding = q->rightPadding(); + if (!reset || extra.isAllocated()) { + extra.value().rightPadding = value; + extra.value().explicitRightPadding = !reset; + } + if ((!reset && !qFuzzyCompare(oldPadding, value)) || (reset && !qFuzzyCompare(oldPadding, padding))) { + updateSize(); + emit q->rightPaddingChanged(); + } +} + +void QQuickTextPrivate::setBottomPadding(qreal value, bool reset) +{ + Q_Q(QQuickText); + qreal oldPadding = q->bottomPadding(); + if (!reset || extra.isAllocated()) { + extra.value().bottomPadding = value; + extra.value().explicitBottomPadding = !reset; + } + if ((!reset && !qFuzzyCompare(oldPadding, value)) || (reset && !qFuzzyCompare(oldPadding, padding))) { + updateSize(); + emit q->bottomPaddingChanged(); + } +} + /*! \qmlproperty bool QtQuick::Text::antialiasing @@ -409,7 +485,7 @@ void QQuickTextPrivate::updateBaseline(qreal baseline, qreal dy) yoff = dy/2; } - q->setBaselineOffset(baseline + yoff); + q->setBaselineOffset(baseline + yoff + q->topPadding()); } void QQuickTextPrivate::updateSize() @@ -429,6 +505,9 @@ void QQuickTextPrivate::updateSize() return; } + qreal hPadding = q->leftPadding() + q->rightPadding(); + qreal vPadding = q->topPadding() + q->bottomPadding(); + if (text.isEmpty() && !isLineLaidOutConnected() && fontSizeMode() == QQuickText::FixedSize) { // How much more expensive is it to just do a full layout on an empty string here? // There may be subtle differences in the height and baseline calculations between @@ -441,8 +520,8 @@ void QQuickTextPrivate::updateSize() ? lineHeight() : fontHeight * lineHeight(); } - updateBaseline(fm.ascent(), q->height() - fontHeight); - q->setImplicitSize(0, fontHeight); + updateBaseline(fm.ascent(), q->height() - fontHeight - vPadding); + q->setImplicitSize(hPadding, fontHeight + vPadding); layedOutTextRect = QRectF(0, 0, 0, fontHeight); emit q->contentSizeChanged(); updateType = UpdatePaintNode; @@ -463,7 +542,7 @@ void QQuickTextPrivate::updateSize() layedOutTextRect = textRect; size = textRect.size(); - updateBaseline(baseline, q->height() - size.height()); + updateBaseline(baseline, q->height() - size.height() - vPadding); } else { widthExceeded = true; // always relayout rich text on width changes.. heightExceeded = false; // rich text layout isn't affected by height changes. @@ -487,15 +566,15 @@ void QQuickTextPrivate::updateSize() naturalWidth = extra->doc->idealWidth(); const bool wasInLayout = internalWidthUpdate; internalWidthUpdate = true; - q->setImplicitWidth(naturalWidth); + q->setImplicitWidth(naturalWidth + hPadding); internalWidthUpdate = wasInLayout; } if (internalWidthUpdate) return; extra->doc->setPageSize(QSizeF()); - if (q->widthValid() && (wrapMode != QQuickText::NoWrap || extra->doc->idealWidth() < q->width())) - extra->doc->setTextWidth(q->width()); + if (q->widthValid() && (wrapMode != QQuickText::NoWrap || extra->doc->idealWidth() < availableWidth())) + extra->doc->setTextWidth(availableWidth()); else extra->doc->setTextWidth(extra->doc->idealWidth()); // ### Text does not align if width is not set (QTextDoc bug) @@ -504,7 +583,7 @@ void QQuickTextPrivate::updateSize() size = QSizeF(extra->doc->idealWidth(),dsize.height()); QFontMetricsF fm(font); - updateBaseline(fm.ascent(), q->height() - size.height()); + updateBaseline(fm.ascent(), q->height() - size.height() - vPadding); //### need to confirm cost of always setting these for richText internalWidthUpdate = true; @@ -512,11 +591,11 @@ void QQuickTextPrivate::updateSize() if (!q->widthValid()) iWidth = size.width(); if (iWidth > -1) - q->setImplicitSize(iWidth, size.height()); + q->setImplicitSize(iWidth + hPadding, size.height() + vPadding); internalWidthUpdate = false; if (iWidth == -1) - q->setImplicitHeight(size.height()); + q->setImplicitHeight(size.height() + vPadding); } if (layedOutTextRect.size() != previousSize) @@ -622,7 +701,7 @@ void QQuickTextPrivate::setupCustomLineGeometry(QTextLine &line, qreal &height, // use the text item's width by default if it has one and wrap is on or text must be aligned if (q->widthValid() && (q->wrapMode() != QQuickText::NoWrap || q->effectiveHAlign() != QQuickText::AlignLeft)) - textLine->setWidth(q->width()); + textLine->setWidth(availableWidth()); else textLine->setWidth(INT_MAX); if (lineHeight() != 1.0) @@ -690,10 +769,11 @@ QRectF QQuickTextPrivate::setupTextLayout(qreal *const baseline) && (q->heightValid() || maximumLineCountValid); if ((!requireImplicitSize || (implicitWidthValid && implicitHeightValid)) - && ((singlelineElide && q->width() <= 0.) || (multilineElide && q->heightValid() && q->height() <= 0.))) { + && ((singlelineElide && availableWidth() <= 0.) + || (multilineElide && q->heightValid() && availableHeight() <= 0.))) { // we are elided and we have a zero width or height - widthExceeded = q->widthValid() && q->width() <= 0.; - heightExceeded = q->heightValid() && q->height() <= 0.; + widthExceeded = q->widthValid() && availableWidth() <= 0.; + heightExceeded = q->heightValid() && availableHeight() <= 0.; if (!truncated) { truncated = true; @@ -749,8 +829,8 @@ QRectF QQuickTextPrivate::setupTextLayout(qreal *const baseline) : largeFont; int scaledFontSize = largeFont; - widthExceeded = q->width() <= 0 && (singlelineElide || canWrap || horizontalFit); - heightExceeded = q->height() <= 0 && (multilineElide || verticalFit); + widthExceeded = availableWidth() <= 0 && (singlelineElide || canWrap || horizontalFit); + heightExceeded = availableHeight() <= 0 && (multilineElide || verticalFit); QRectF br; @@ -920,7 +1000,7 @@ QRectF QQuickTextPrivate::setupTextLayout(qreal *const baseline) bool wasInLayout = internalWidthUpdate; internalWidthUpdate = true; - q->setImplicitSize(naturalWidth, naturalHeight); + q->setImplicitSize(naturalWidth + q->leftPadding() + q->rightPadding(), naturalHeight + q->topPadding() + q->bottomPadding()); internalWidthUpdate = wasInLayout; // Update any variables that are dependent on the validity of the width or height. @@ -937,8 +1017,11 @@ QRectF QQuickTextPrivate::setupTextLayout(qreal *const baseline) const qreal oldWidth = lineWidth; const qreal oldHeight = maxHeight; - lineWidth = q->widthValid() && q->width() > 0 ? q->width() : naturalWidth; - maxHeight = q->heightValid() ? q->height() : FLT_MAX; + const qreal availWidth = availableWidth(); + const qreal availHeight = availableHeight(); + + lineWidth = q->widthValid() && availWidth > 0 ? availWidth : naturalWidth; + maxHeight = q->heightValid() ? availHeight : FLT_MAX; // If the width of the item has changed and it's possible the result of wrapping, // eliding, scaling has changed, or the text is not left aligned do another layout. @@ -2239,7 +2322,7 @@ QSGNode *QQuickText::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *data d->updateType = QQuickTextPrivate::UpdateNone; - const qreal dy = QQuickTextUtil::alignedY(d->layedOutTextRect.height() + d->lineHeightOffset(), height(), d->vAlign); + const qreal dy = QQuickTextUtil::alignedY(d->layedOutTextRect.height() + d->lineHeightOffset(), d->availableHeight(), d->vAlign) + topPadding(); QQuickTextNode *node = 0; if (!oldNode) @@ -2256,11 +2339,11 @@ QSGNode *QQuickText::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *data const QColor linkColor = QColor::fromRgba(d->linkColor); if (d->richText) { - const qreal dx = QQuickTextUtil::alignedX(d->layedOutTextRect.width(), width(), effectiveHAlign()); + const qreal dx = QQuickTextUtil::alignedX(d->layedOutTextRect.width(), d->availableWidth(), effectiveHAlign()) + leftPadding(); d->ensureDoc(); node->addTextDocument(QPointF(dx, dy), d->extra->doc, color, d->style, styleColor, linkColor); } else if (d->layedOutTextRect.width() > 0) { - const qreal dx = QQuickTextUtil::alignedX(d->lineWidth, width(), effectiveHAlign()); + const qreal dx = QQuickTextUtil::alignedX(d->lineWidth, d->availableWidth(), effectiveHAlign()) + leftPadding(); int unelidedLineCount = d->lineCount; if (d->elideLayout) unelidedLineCount -= 1; @@ -2545,14 +2628,15 @@ QString QQuickTextPrivate::anchorAt(const QPointF &mousePos) const { Q_Q(const QQuickText); QPointF translatedMousePos = mousePos; - translatedMousePos.ry() -= QQuickTextUtil::alignedY(layedOutTextRect.height() + lineHeightOffset(), q->height(), vAlign); + translatedMousePos.rx() -= q->leftPadding(); + translatedMousePos.ry() -= q->topPadding() + QQuickTextUtil::alignedY(layedOutTextRect.height() + lineHeightOffset(), availableHeight(), vAlign); if (styledText) { QString link = anchorAt(&layout, translatedMousePos); if (link.isEmpty() && elideLayout) link = anchorAt(elideLayout, translatedMousePos); return link; } else if (richText && extra.isAllocated() && extra->doc) { - translatedMousePos.rx() -= QQuickTextUtil::alignedX(layedOutTextRect.width(), q->width(), q->effectiveHAlign()); + translatedMousePos.rx() -= QQuickTextUtil::alignedX(layedOutTextRect.width(), availableWidth(), q->effectiveHAlign()); return extra->doc->documentLayout()->anchorAt(translatedMousePos); } return QString(); @@ -2770,4 +2854,124 @@ void QQuickText::invalidateFontCaches() } } +/*! + \since 5.6 + \qmlproperty real QtQuick::Text::padding + \qmlproperty real QtQuick::Text::topPadding + \qmlproperty real QtQuick::Text::leftPadding + \qmlproperty real QtQuick::Text::bottomPadding + \qmlproperty real QtQuick::Text::rightPadding + + These properties hold the padding around the content. This space is reserved + in addition to the contentWidth and contentHeight. +*/ +qreal QQuickText::padding() const +{ + Q_D(const QQuickText); + return d->padding; +} + +void QQuickText::setPadding(qreal padding) +{ + Q_D(QQuickText); + if (qFuzzyCompare(d->padding, padding)) + return; + d->padding = padding; + d->updateSize(); + emit paddingChanged(); + if (!d->extra.isAllocated() || !d->extra->explicitTopPadding) + emit topPaddingChanged(); + if (!d->extra.isAllocated() || !d->extra->explicitLeftPadding) + emit leftPaddingChanged(); + if (!d->extra.isAllocated() || !d->extra->explicitRightPadding) + emit rightPaddingChanged(); + if (!d->extra.isAllocated() || !d->extra->explicitBottomPadding) + emit bottomPaddingChanged(); +} + +void QQuickText::resetPadding() +{ + setPadding(0); +} + +qreal QQuickText::topPadding() const +{ + Q_D(const QQuickText); + if (d->extra.isAllocated() && d->extra->explicitTopPadding) + return d->extra->topPadding; + return d->padding; +} + +void QQuickText::setTopPadding(qreal padding) +{ + Q_D(QQuickText); + d->setTopPadding(padding); +} + +void QQuickText::resetTopPadding() +{ + Q_D(QQuickText); + d->setTopPadding(0, true); +} + +qreal QQuickText::leftPadding() const +{ + Q_D(const QQuickText); + if (d->extra.isAllocated() && d->extra->explicitLeftPadding) + return d->extra->leftPadding; + return d->padding; +} + +void QQuickText::setLeftPadding(qreal padding) +{ + Q_D(QQuickText); + d->setLeftPadding(padding); +} + +void QQuickText::resetLeftPadding() +{ + Q_D(QQuickText); + d->setLeftPadding(0, true); +} + +qreal QQuickText::rightPadding() const +{ + Q_D(const QQuickText); + if (d->extra.isAllocated() && d->extra->explicitRightPadding) + return d->extra->rightPadding; + return d->padding; +} + +void QQuickText::setRightPadding(qreal padding) +{ + Q_D(QQuickText); + d->setRightPadding(padding); +} + +void QQuickText::resetRightPadding() +{ + Q_D(QQuickText); + d->setRightPadding(0, true); +} + +qreal QQuickText::bottomPadding() const +{ + Q_D(const QQuickText); + if (d->extra.isAllocated() && d->extra->explicitBottomPadding) + return d->extra->bottomPadding; + return d->padding; +} + +void QQuickText::setBottomPadding(qreal padding) +{ + Q_D(QQuickText); + d->setBottomPadding(padding); +} + +void QQuickText::resetBottomPadding() +{ + Q_D(QQuickText); + d->setBottomPadding(0, true); +} + QT_END_NAMESPACE |