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clide/qml/ClideEditor.qml

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QML

// SPDX-FileCopyrightText: 2026, Shaun Reed <shaunrd0@gmail.com>
//
// SPDX-License-Identifier: GNU General Public License v3.0 or later
import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import clide.module 1.0
import Logger 1.0
Rectangle {
color: RustColors.editor_background
RowLayout {
anchors.fill: parent
// We use a flickable to synchronize the position of the editor and
// the line numbers. This is necessary because the line numbers can
// extend the available height.
Flickable {
id: lineNumbers
Layout.fillHeight: true
Layout.fillWidth: false
// Calculating the width correctly is important as the number grows.
// We need to ensure space required to show N line number digits.
// We use log10 to find how many digits are needed in a line number.
// log10(9) ~= .95; log10(10) = 1.0; log10(100) = 2.0 ...etc
// We +1 to ensure space for at least 1 digit, as floor(1.95) = 1.
// The +10 is additional spacing and can be adjusted.
Layout.preferredWidth: fontMetrics.averageCharacterWidth * (Math.floor(Math.log10(textArea.lineCount)) + 1) + 10
contentY: editorFlickable.contentY
interactive: false
Column {
anchors.fill: parent
topPadding: textArea.topPadding
Repeater {
id: repeatedLineNumbers
// TODO: Bug where text wrapping shows as new line number.
model: textArea.lineCount
// This Item is used for each line number in the gutter.
delegate: Item {
required property int index
// Calculates the height of each line in the text area.
height: textArea.contentHeight / textArea.lineCount
width: parent.width
// Show the line number.
Label {
id: numbers
color: RustColors.linenumber
font: textArea.font
height: parent.height
horizontalAlignment: Text.AlignLeft
text: parent.index + 1
verticalAlignment: Text.AlignVCenter
width: parent.width - indicator.width
}
// Draw an edge along the right side of the line number.
Rectangle {
id: indicator
anchors.left: numbers.right
color: RustColors.linenumber
height: parent.height
width: 1
}
}
}
}
}
Flickable {
id: editorFlickable
Layout.fillHeight: true
Layout.fillWidth: true
boundsBehavior: Flickable.StopAtBounds
height: 650
ScrollBar.horizontal: ClideScrollBar {
}
ScrollBar.vertical: ClideScrollBar {
}
TextArea.flickable: TextArea {
id: textArea
antialiasing: true
focus: true
persistentSelection: true
selectByMouse: true
selectedTextColor: RustColors.editor_highlighted_text
selectionColor: RustColors.editor_highlight
text: FileSystem.readFile(root.filePath)
textFormat: Qt.AutoText
wrapMode: TextArea.Wrap
onLinkActivated: function (link) {
Qt.openUrlExternally(link);
}
// TODO: Handle saving
// Component.onCompleted: {
// if (Qt.application.arguments.length === 2)
// textDocument.source = "file:" + Qt.application.arguments[1]
// else
// textDocument.source = "qrc:/texteditor.html"
// }
// textDocument.onStatusChanged: {
// // a message lookup table using computed properties:
// // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Object_initializer
// const statusMessages = {
// [ TextDocument.ReadError ]: qsTr("Failed to load “%1”"),
// [ TextDocument.WriteError ]: qsTr("Failed to save “%1”"),
// [ TextDocument.NonLocalFileError ]: qsTr("Not a local file: “%1”"),
// }
// const err = statusMessages[textDocument.status]
// if (err) {
// errorDialog.text = err.arg(textDocument.source)
// errorDialog.open()
// }
// }
}
FontMetrics {
id: fontMetrics
font: textArea.font
}
}
}
}