4607f53b7a
e.g. if invited to a room but there's no history provided by another account. Also add a signal for the ListModel.count property.
52 lines
1.3 KiB
QML
52 lines
1.3 KiB
QML
import QtQuick 2.7
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import QtQuick.Controls 2.2
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import QtQuick.Layouts 1.4
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import "../base" as Base
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Rectangle {
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property int space: 8
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Layout.fillWidth: true
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Layout.fillHeight: true
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Layout.leftMargin: space
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Layout.rightMargin: space
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ListView {
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id: messageListView
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anchors.fill: parent
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delegate: MessageDelegate {}
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model: Backend.models.roomEvents.get(chatPage.roomId)
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clip: true
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topMargin: space
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bottomMargin: space
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verticalLayoutDirection: ListView.BottomToTop
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// Keep x scroll pages cached, to limit images having to be
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// reloaded from network.
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cacheBuffer: height * 6
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// Declaring this "alias" provides the on... signal
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property real yPos: visibleArea.yPosition
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onYPosChanged: {
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if (yPos <= 0.1) {
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Backend.loadPastEvents(chatPage.roomId)
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}
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}
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}
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Base.HLabel {
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visible: messageListView.model.count < 1
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anchors.centerIn: parent
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text: qsTr("Nothing to see here yet…")
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padding: 10
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topPadding: padding / 3
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bottomPadding: topPadding
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background: Rectangle {
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color: "lightgray"
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radius: 5
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}
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}
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}
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