142 lines
4.0 KiB
QML
142 lines
4.0 KiB
QML
import QtQuick 2.12
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import QtQuick.Controls 2.12
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import "../utils.js" as Utils
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TextEdit {
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id: label
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font.family: theme.fontFamily.sans
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font.pixelSize: theme.fontSize.normal
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color: theme.colors.text
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textFormat: Label.PlainText
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tabStopDistance: 4 * 4 // 4 spaces
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readOnly: true
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persistentSelection: true
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activeFocusOnPress: false
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focus: false
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onLinkActivated: Qt.openUrlExternally(link)
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Component.onCompleted: updateSelection()
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// If index is a whole number, the label will get two \n before itself
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// in container.joinedSelection. If it's a decimal number, if gets one \n.
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property real index
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property HSelectableLabelContainer container
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property bool selectable: true
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function updateSelection() {
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if (! selectable && label.selectedText) {
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label.deselect()
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updateContainerSelectedTexts()
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return
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}
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if (! selectable) return
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if (! container.reversed &&
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container.selectionStart <= container.selectionEnd ||
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container.reversed &&
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container.selectionStart > container.selectionEnd)
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{
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var first = container.selectionStart
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var firstPos = container.selectionStartPosition
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var last = container.selectionEnd
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var lastPos = container.selectionEndPosition
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} else {
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var first = container.selectionEnd
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var firstPos = container.selectionEndPosition
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var last = container.selectionStart
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var lastPos = container.selectionStartPosition
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}
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if (first === index && last === index) {
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select(
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label.positionAt(firstPos.x, firstPos.y),
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label.positionAt(lastPos.x, lastPos.y),
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)
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} else if ((! container.reversed && first < index && index < last) ||
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(container.reversed && first > index && index > last))
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{
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label.selectAll()
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} else if (first === index) {
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label.select(positionAt(firstPos.x, firstPos.y), length)
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} else if (last === index) {
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label.select(0, positionAt(lastPos.x, lastPos.y))
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} else {
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label.deselect()
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}
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updateContainerSelectedTexts()
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}
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function updateContainerSelectedTexts() {
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container.selectedTexts[index] = selectedText
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container.selectedTextsChanged()
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}
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function selectWordAt(position) {
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container.clearSelection()
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label.cursorPosition = positionAt(position.x, position.y)
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label.selectWord()
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updateContainerSelectedTexts()
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}
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function selectAllText() {
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container.clearSelection()
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label.selectAll()
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updateContainerSelectedTexts()
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}
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Connections {
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target: container
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onSelectionInfoChanged: updateSelection()
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onDeselectAll: deselect()
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}
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DropArea {
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anchors.fill: parent
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onPositionChanged: {
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if (! container.selecting) {
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container.clearSelection()
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container.selectionStart = index
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container.selectionStartPosition = Qt.point(drag.x, drag.y)
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container.selecting = true
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} else {
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container.selectionEnd = index
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container.selectionEndPosition = Qt.point(drag.x, drag.y)
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}
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}
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}
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TapHandler {
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acceptedButtons: Qt.LeftButton
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onTapped: {
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tapCount === 2 ? selectWordAt(eventPoint.position) :
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tapCount === 3 ? selectAllText() :
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container.clearSelection()
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}
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}
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PointHandler {
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onActiveChanged:
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active ? container.dragStarted() : container.dragStopped()
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onPointChanged: container.dragPointChanged(point)
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}
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MouseArea {
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anchors.fill: label
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acceptedButtons: Qt.NoButton
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cursorShape: label.hoveredLink ? Qt.PointingHandCursor : Qt.IBeamCursor
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}
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}
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