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35 lines
1 KiB
QML
35 lines
1 KiB
QML
import QtQuick 2.7
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import Common 1.0
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import Utils 1.0
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// =============================================================================
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// Menu which supports `ListView`.
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// =============================================================================
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AbstractDropDownMenu {
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// Can be computed, but for performance usage, it must be given in attribute.
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property int entryHeight
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property int maxMenuHeight
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function _computeHeight () {
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Utils.assert(_content != null && _content.length > 0, '`_content` cannot be null and must exists.')
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var list = _content[0]
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Utils.assert(list != null, 'No list found.')
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Utils.assert(Utils.qmlTypeof(list, 'QQuickListView'), 'No list view parameter.')
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var height = list.count * entryHeight
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if (list.headerPositioning === ListView.OverlayHeader) {
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// Workaround to force header layout.
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list.headerItem.z = Constants.zMax
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height += list.headerItem.height
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}
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return (maxMenuHeight !== undefined && height > maxMenuHeight)
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? maxMenuHeight
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: height
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}
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}
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