diff options
author | J-P Nurmi <jpnurmi@qt.io> | 2018-05-02 13:54:08 +0200 |
---|---|---|
committer | J-P Nurmi <jpnurmi@qt.io> | 2018-05-02 12:57:53 +0000 |
commit | 89495f409fcb04f5eeb1c1e06096fcb54065c969 (patch) | |
tree | 05d151a324761c183830c23322261ee5b6d32a91 /src/quicktemplates2/qquicklabel.cpp | |
parent | fac7e9e87caf78554bc33b80fe72dc40518fcc76 (diff) |
Label: add support for background insets
Same as 5adce042 for QQuickControl.
[ChangeLog][Controls][Label] Added topInset, bottomInset, leftInset,
and rightInset properties to control the geometry of the background
similarly to how paddings control the geometry of the contentItem.
Change-Id: I853efcdd6be1d3acfb067128b6195c253350de8d
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
Diffstat (limited to 'src/quicktemplates2/qquicklabel.cpp')
-rw-r--r-- | src/quicktemplates2/qquicklabel.cpp | 216 |
1 files changed, 202 insertions, 14 deletions
diff --git a/src/quicktemplates2/qquicklabel.cpp b/src/quicktemplates2/qquicklabel.cpp index dc35f6b8..a798d4e9 100644 --- a/src/quicktemplates2/qquicklabel.cpp +++ b/src/quicktemplates2/qquicklabel.cpp @@ -94,20 +94,74 @@ QQuickLabelPrivate::~QQuickLabelPrivate() #endif } -void QQuickLabelPrivate::resizeBackground() +void QQuickLabelPrivate::setTopInset(qreal value, bool reset) { Q_Q(QQuickLabel); - if (background) { - QQuickItemPrivate *p = QQuickItemPrivate::get(background); - if (!p->widthValid) { - background->setWidth(q->width()); - p->widthValid = false; - } - if (!p->heightValid) { - background->setHeight(q->height()); - p->heightValid = false; - } + const QMarginsF oldInset = getInset(); + extra.value().topInset = value; + extra.value().hasTopInset = !reset; + if (!qFuzzyCompare(oldInset.top(), value)) { + emit q->topInsetChanged(); + q->insetChange(getInset(), oldInset); + } +} + +void QQuickLabelPrivate::setLeftInset(qreal value, bool reset) +{ + Q_Q(QQuickLabel); + const QMarginsF oldInset = getInset(); + extra.value().leftInset = value; + extra.value().hasLeftInset = !reset; + if (!qFuzzyCompare(oldInset.left(), value)) { + emit q->leftInsetChanged(); + q->insetChange(getInset(), oldInset); + } +} + +void QQuickLabelPrivate::setRightInset(qreal value, bool reset) +{ + Q_Q(QQuickLabel); + const QMarginsF oldInset = getInset(); + extra.value().rightInset = value; + extra.value().hasRightInset = !reset; + if (!qFuzzyCompare(oldInset.right(), value)) { + emit q->rightInsetChanged(); + q->insetChange(getInset(), oldInset); + } +} + +void QQuickLabelPrivate::setBottomInset(qreal value, bool reset) +{ + Q_Q(QQuickLabel); + const QMarginsF oldInset = getInset(); + extra.value().bottomInset = value; + extra.value().hasBottomInset = !reset; + if (!qFuzzyCompare(oldInset.bottom(), value)) { + emit q->bottomInsetChanged(); + q->insetChange(getInset(), oldInset); + } +} + +void QQuickLabelPrivate::resizeBackground() +{ + if (!background) + return; + + resizingBackground = true; + + QQuickItemPrivate *p = QQuickItemPrivate::get(background); + if (((!p->widthValid || !extra.isAllocated() || !extra->hasBackgroundWidth) && qFuzzyIsNull(background->x())) + || (extra.isAllocated() && (extra->hasLeftInset || extra->hasRightInset))) { + background->setX(getLeftInset()); + background->setWidth(width - getLeftInset() - getRightInset()); } + if (((!p->heightValid || !extra.isAllocated() || !extra->hasBackgroundHeight) && qFuzzyIsNull(background->y())) + || (extra.isAllocated() && (extra->hasTopInset || extra->hasBottomInset))) { + background->setY(getTopInset()); + background->setHeight(height - getTopInset() - getBottomInset()); + } + + resizingBackground = false; } /*! @@ -239,6 +293,18 @@ void QQuickLabelPrivate::executeBackground(bool complete) quickCompleteDeferred(q, backgroundName(), background); } +void QQuickLabelPrivate::itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &diff) +{ + Q_UNUSED(diff); + if (resizingBackground || item != background || !change.sizeChange()) + return; + + QQuickItemPrivate *p = QQuickItemPrivate::get(item); + extra.value().hasBackgroundWidth = p->widthValid; + extra.value().hasBackgroundHeight = p->heightValid; + resizeBackground(); +} + void QQuickLabelPrivate::itemImplicitWidthChanged(QQuickItem *item) { Q_Q(QQuickLabel); @@ -273,7 +339,7 @@ QQuickLabel::QQuickLabel(QQuickItem *parent) QQuickLabel::~QQuickLabel() { Q_D(QQuickLabel); - QQuickControlPrivate::removeImplicitSizeListener(d->background, d); + QQuickControlPrivate::removeImplicitSizeListener(d->background, d, QQuickControlPrivate::ImplicitSizeChanges | QQuickItemPrivate::Geometry); } QFont QQuickLabel::font() const @@ -322,7 +388,12 @@ void QQuickLabel::setBackground(QQuickItem *background) const qreal oldImplicitBackgroundWidth = implicitBackgroundWidth(); const qreal oldImplicitBackgroundHeight = implicitBackgroundHeight(); - QQuickControlPrivate::removeImplicitSizeListener(d->background, d); + if (d->extra.isAllocated()) { + d->extra.value().hasBackgroundWidth = false; + d->extra.value().hasBackgroundHeight = false; + } + + QQuickControlPrivate::removeImplicitSizeListener(d->background, d, QQuickControlPrivate::ImplicitSizeChanges | QQuickItemPrivate::Geometry); delete d->background; d->background = background; @@ -332,7 +403,12 @@ void QQuickLabel::setBackground(QQuickItem *background) background->setZ(-1); if (isComponentComplete()) d->resizeBackground(); - QQuickControlPrivate::addImplicitSizeListener(background, d); + QQuickItemPrivate *p = QQuickItemPrivate::get(background); + if (p->widthValid || p->heightValid) { + d->extra.value().hasBackgroundWidth = p->widthValid; + d->extra.value().hasBackgroundHeight = p->heightValid; + } + QQuickControlPrivate::addImplicitSizeListener(background, d, QQuickControlPrivate::ImplicitSizeChanges | QQuickItemPrivate::Geometry); } if (!qFuzzyCompare(oldImplicitBackgroundWidth, implicitBackgroundWidth())) @@ -413,6 +489,110 @@ qreal QQuickLabel::implicitBackgroundHeight() const return d->background->implicitHeight(); } +/*! + \since QtQuick.Controls 2.5 (Qt 5.12) + \qmlproperty real QtQuick.Controls::Label::topInset + + This property holds the top inset for the background. + + \sa {Control Layout}, bottomInset +*/ +qreal QQuickLabel::topInset() const +{ + Q_D(const QQuickLabel); + return d->getTopInset(); +} + +void QQuickLabel::setTopInset(qreal inset) +{ + Q_D(QQuickLabel); + d->setTopInset(inset); +} + +void QQuickLabel::resetTopInset() +{ + Q_D(QQuickLabel); + d->setTopInset(0, true); +} + +/*! + \since QtQuick.Controls 2.5 (Qt 5.12) + \qmlproperty real QtQuick.Controls::Label::leftInset + + This property holds the left inset for the background. + + \sa {Control Layout}, rightInset +*/ +qreal QQuickLabel::leftInset() const +{ + Q_D(const QQuickLabel); + return d->getLeftInset(); +} + +void QQuickLabel::setLeftInset(qreal inset) +{ + Q_D(QQuickLabel); + d->setLeftInset(inset); +} + +void QQuickLabel::resetLeftInset() +{ + Q_D(QQuickLabel); + d->setLeftInset(0, true); +} + +/*! + \since QtQuick.Controls 2.5 (Qt 5.12) + \qmlproperty real QtQuick.Controls::Label::rightInset + + This property holds the right inset for the background. + + \sa {Control Layout}, leftInset +*/ +qreal QQuickLabel::rightInset() const +{ + Q_D(const QQuickLabel); + return d->getRightInset(); +} + +void QQuickLabel::setRightInset(qreal inset) +{ + Q_D(QQuickLabel); + d->setRightInset(inset); +} + +void QQuickLabel::resetRightInset() +{ + Q_D(QQuickLabel); + d->setRightInset(0, true); +} + +/*! + \since QtQuick.Controls 2.5 (Qt 5.12) + \qmlproperty real QtQuick.Controls::Label::bottomInset + + This property holds the bottom inset for the background. + + \sa {Control Layout}, topInset +*/ +qreal QQuickLabel::bottomInset() const +{ + Q_D(const QQuickLabel); + return d->getBottomInset(); +} + +void QQuickLabel::setBottomInset(qreal inset) +{ + Q_D(QQuickLabel); + d->setBottomInset(inset); +} + +void QQuickLabel::resetBottomInset() +{ + Q_D(QQuickLabel); + d->setBottomInset(0, true); +} + void QQuickLabel::classBegin() { Q_D(QQuickLabel); @@ -460,4 +640,12 @@ void QQuickLabel::geometryChanged(const QRectF &newGeometry, const QRectF &oldGe d->resizeBackground(); } +void QQuickLabel::insetChange(const QMarginsF &newInset, const QMarginsF &oldInset) +{ + Q_D(QQuickLabel); + Q_UNUSED(newInset); + Q_UNUSED(oldInset); + d->resizeBackground(); +} + QT_END_NAMESPACE |