117 lines
4.0 KiB
QML
117 lines
4.0 KiB
QML
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// SPDX-FileCopyrightText: 2026, Shaun Reed <shaunrd0@gmail.com>
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//
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// SPDX-License-Identifier: GNU General Public License v3.0 or later
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import QtQuick
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import QtQuick.Controls
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import QtQuick.Layouts
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import clide.module 1.0
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import Logger 1.0
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Rectangle {
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color: RustColors.editor_background
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RowLayout {
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anchors.fill: parent
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// We use a flickable to synchronize the position of the editor and
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// the line numbers. This is necessary because the line numbers can
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// extend the available height.
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Flickable {
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id: lineNumbers
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Layout.fillHeight: true
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Layout.fillWidth: false
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// Calculating the width correctly is important as the number grows.
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// We need to ensure space required to show N line number digits.
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// We use log10 to find how many digits are needed in a line number.
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// log10(9) ~= .95; log10(10) = 1.0; log10(100) = 2.0 ...etc
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// We +1 to ensure space for at least 1 digit, as floor(1.95) = 1.
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// The +10 is additional spacing and can be adjusted.
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Layout.preferredWidth: fontMetrics.averageCharacterWidth * (Math.floor(Math.log10(textArea.lineCount)) + 1) + 10
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contentY: editorFlickable.contentY
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interactive: false
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Column {
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anchors.fill: parent
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topPadding: textArea.topPadding
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Repeater {
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id: repeatedLineNumbers
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// TODO: Bug where text wrapping shows as new line number.
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model: textArea.lineCount
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// This Item is used for each line number in the gutter.
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delegate: Item {
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required property int index
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// Calculates the height of each line in the text area.
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height: textArea.contentHeight / textArea.lineCount
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width: parent.width
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// Show the line number.
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Label {
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id: numbers
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color: RustColors.linenumber
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font: textArea.font
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height: parent.height
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horizontalAlignment: Text.AlignLeft
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text: parent.index + 1
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verticalAlignment: Text.AlignVCenter
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width: parent.width - indicator.width
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}
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// Draw an edge along the right side of the line number.
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Rectangle {
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id: indicator
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anchors.left: numbers.right
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color: RustColors.linenumber
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height: parent.height
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width: 1
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}
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}
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}
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}
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}
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Flickable {
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id: editorFlickable
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Layout.fillHeight: true
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Layout.fillWidth: true
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boundsBehavior: Flickable.StopAtBounds
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height: 650
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ScrollBar.horizontal: ClideScrollBar {
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}
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ScrollBar.vertical: ClideScrollBar {
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}
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TextArea.flickable: TextArea {
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id: textArea
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antialiasing: true
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focus: true
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persistentSelection: true
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selectByMouse: true
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selectedTextColor: RustColors.editor_highlighted_text
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selectionColor: RustColors.editor_highlight
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text: FileSystem.readFile(root.filePath)
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textFormat: Qt.AutoText
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wrapMode: TextArea.Wrap
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onLinkActivated: function (link) {
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Qt.openUrlExternally(link);
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}
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}
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FontMetrics {
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id: fontMetrics
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font: textArea.font
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}
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}
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}
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}
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