diff options
Diffstat (limited to 'src/quick/items/qquickpositioners.cpp')
-rw-r--r-- | src/quick/items/qquickpositioners.cpp | 101 |
1 files changed, 97 insertions, 4 deletions
diff --git a/src/quick/items/qquickpositioners.cpp b/src/quick/items/qquickpositioners.cpp index e22427ca49..05d3ae0191 100644 --- a/src/quick/items/qquickpositioners.cpp +++ b/src/quick/items/qquickpositioners.cpp @@ -290,6 +290,11 @@ void QQuickBasePositioner::itemChange(ItemChange change, const ItemChangeData &v QQuickItem::itemChange(change, value); } +void QQuickBasePositioner::forceLayout() +{ + updatePolish(); +} + void QQuickBasePositioner::prePositioning() { Q_D(QQuickBasePositioner); @@ -401,6 +406,8 @@ void QQuickBasePositioner::prePositioning() //Set implicit size to the size of its children setImplicitSize(contentSize.width(), contentSize.height()); + + emit positioningComplete(); } void QQuickBasePositioner::positionItem(qreal x, qreal y, PositionedItem *target) @@ -910,6 +917,28 @@ void QQuickPositionerAttached::setIsLastItem(bool isLastItem) \sa Grid::spacing */ +/*! + \qmlmethod QtQuick::Column::forceLayout() + \since 5.9 + + Column typically positions its children once per frame. This means that + inside script blocks it is possible for the underlying children to have changed, + but the Column to have not yet been updated accordingly. + + This method forces the Column to immediately respond to any outstanding + changes in its children. + + \b Note: methods in general should only be called after the Component has completed. +*/ +/*! + \qmlsignal QtQuick::Column::positioningComplete() + \since 5.9 + + This signal is emitted when positioning has been completed. + + The corresponding handler is \c onPositioningComplete. +*/ + QQuickColumn::QQuickColumn(QQuickItem *parent) : QQuickBasePositioner(Vertical, parent) { @@ -957,7 +986,7 @@ void QQuickColumn::reportConflictingAnchors() } } if (d->anchorConflict) { - qmlInfo(this) << "Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column." + qmlWarning(this) << "Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column." << " Column will not function."; } } @@ -1077,6 +1106,27 @@ void QQuickColumn::reportConflictingAnchors() \sa Grid::spacing */ +/*! + \qmlmethod QtQuick::Row::forceLayout() + \since 5.9 + + Row typically positions its children once per frame. This means that + inside script blocks it is possible for the underlying children to have changed, + but the Row to have not yet been updated accordingly. + + This method forces the Row to immediately respond to any outstanding + changes in its children. + + \b Note: methods in general should only be called after the Component has completed. +*/ +/*! + \qmlsignal QtQuick::Row::positioningComplete() + \since 5.9 + + This signal is emitted when positioning has been completed. + + The corresponding handler is \c onPositioningComplete. +*/ class QQuickRowPrivate : public QQuickBasePositionerPrivate { @@ -1224,7 +1274,7 @@ void QQuickRow::reportConflictingAnchors() } } if (d->anchorConflict) - qmlInfo(this) << "Cannot specify left, right, horizontalCenter, fill or centerIn anchors for items inside Row." + qmlWarning(this) << "Cannot specify left, right, horizontalCenter, fill or centerIn anchors for items inside Row." << " Row will not function."; } @@ -1355,6 +1405,27 @@ void QQuickRow::reportConflictingAnchors() \sa rows, columns */ +/*! + \qmlmethod QtQuick::Grid::forceLayout() + \since 5.9 + + Grid typically positions its children once per frame. This means that + inside script blocks it is possible for the underlying children to have changed, + but the Grid to have not yet been updated accordingly. + + This method forces the Grid to immediately respond to any outstanding + changes in its children. + + \b Note: methods in general should only be called after the Component has completed. +*/ +/*! + \qmlsignal QtQuick::Grid::positioningComplete() + \since 5.9 + + This signal is emitted when positioning has been completed. + + The corresponding handler is \c onPositioningComplete. +*/ class QQuickGridPrivate : public QQuickBasePositionerPrivate { @@ -1808,7 +1879,7 @@ void QQuickGrid::reportConflictingAnchors() } } if (d->anchorConflict) - qmlInfo(this) << "Cannot specify anchors for items inside Grid." << " Grid will not function."; + qmlWarning(this) << "Cannot specify anchors for items inside Grid." << " Grid will not function."; } /*! @@ -1920,6 +1991,28 @@ void QQuickGrid::reportConflictingAnchors() \sa Grid::spacing */ +/*! + \qmlmethod QtQuick::Flow::forceLayout() + \since 5.9 + + Flow typically positions its children once per frame. This means that + inside script blocks it is possible for the underlying children to have changed, + but the Flow to have not yet been updated accordingly. + + This method forces the Flow to immediately respond to any outstanding + changes in its children. + + + \b Note: methods in general should only be called after the Component has completed. +*/ +/*! + \qmlsignal QtQuick::Flow::positioningComplete() + \since 5.9 + + This signal is emitted when positioning has been completed. + + The corresponding handler is \c onPositioningComplete. +*/ class QQuickFlowPrivate : public QQuickBasePositionerPrivate { @@ -2121,7 +2214,7 @@ void QQuickFlow::reportConflictingAnchors() } } if (d->anchorConflict) - qmlInfo(this) << "Cannot specify anchors for items inside Flow." << " Flow will not function."; + qmlWarning(this) << "Cannot specify anchors for items inside Flow." << " Flow will not function."; } QT_END_NAMESPACE |