Warning, /utilities/kalk/src/qml/HistoryView.qml is written in an unsupported language. File is not indexed.

 /*
  * SPDX-FileCopyrightText: 2020-2021 Han Young <hanyoung@protonmail.com>
  * SPDX-FileCopyrightText: 2020 cahfofpai
  *
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts
 import org.kde.kirigami as Kirigami
 import org.kde.kirigamiaddons.delegates as Delegates
 
 Kirigami.ScrollablePage {
     id: page
     title: i18n("History")
 
     property int historyIndex
 
     Connections {
         target: pageStack
         function onCurrentItemChanged () {
             const index = listView.atYEnd ? 0 : listView.indexAt(listView.contentX, listView.contentY)
             inputManager.setHistoryIndex(index);
         }
     }
 
     actions: Kirigami.Action {
         icon.name: "edit-clear-history"
         text: i18n("Clear history")
         onTriggered: promptDialog.open()
     }
 
     ListView {
         id: listView
 
         property int flexPointSize: Math.min(Kirigami.Theme.defaultFont.pointSize * 2, Math.max(width / 30, 7))
 
         Component.onCompleted: {
             if (page.historyIndex && page.historyIndex < listView.count) {
                 positionViewAtIndex(page.historyIndex, ListView.Beginning)
             } else {
                 positionViewAtEnd()
             }
         }
 
         currentIndex: -1
         model: historyManager
         delegate: Delegates.RoundedItemDelegate {
             id: historyDelegate
 
             required property int index
             required property var model
 
             highlighted: false
 
             contentItem: RowLayout {
                 id: item
                 spacing: Kirigami.Units.smallSpacing
 
                 property var parts: model.display.split("=")
 
                 Button {
                     Layout.maximumWidth: listView.width / 2.5
                     Layout.alignment:  Qt.AlignLeft
                     focusPolicy: Qt.NoFocus
                     flat: true
                     onClicked: {
                         inputManager.fromHistory(item.parts[0].trim());
                         if (applicationWindow().pageStack.visibleItems.length === 1) {
                             applicationWindow().pageStack.pop();
                         }
                     }
                     contentItem: Label {
                         font {
                             pointSize: listView.flexPointSize
                             weight: Font.Light
                         }
                         text: item.parts[0].trim()
                         elide: Text.ElideRight
                     }
 
                     ToolTip.visible: contentItem.truncated && hovered
                     ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
                     ToolTip.text: contentItem.text
                 }
 
                 Label {
                     Layout.alignment:  Qt.AlignLeft
                     font {
                         pointSize: listView.flexPointSize
                         weight: Font.Light
                     }
                     text: "="
                 }
 
                 Button {
                     Layout.fillWidth: true
                     Layout.alignment:  Qt.AlignLeft
                     focusPolicy: Qt.NoFocus
                     flat: true
                     onClicked: {
                         inputManager.fromHistory(item.parts[1].trim());
                         if (applicationWindow().pageStack.visibleItems.length === 1) {
                             applicationWindow().pageStack.pop();
                         }
                     }
                     contentItem: Label {
                         font {
                             pointSize: listView.flexPointSize
                             weight: Font.Light
                         }
                         text: item.parts[1].trim()
                         elide: Text.ElideRight
                     }
 
                     ToolTip.visible: contentItem.truncated && hovered
                     ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
                     ToolTip.text: contentItem.text
                 }
 
                 Button {
                     Layout.alignment:  Qt.AlignRight
                     icon.name: "delete"
                     onClicked: historyManager.deleteFromHistory(model.index);
                     focusPolicy: Qt.NoFocus
                     flat: true
                 }
             }
         }
 
         Kirigami.PlaceholderMessage {
             anchors.centerIn: parent
             text: i18n("History is empty")
             visible: listView.count === 0
             width: parent.width - Kirigami.Units.gridUnit * 4
         }
     }
 
     Kirigami.PromptDialog {
         id: promptDialog
         title: i18nc("Delete all items from a list", "Clear All History?")
         subtitle: i18nc("Deleted items cannot be recovered", "This is permanent and cannot be undone")
         standardButtons: Kirigami.Dialog.Ok | Kirigami.Dialog.Cancel
         onAccepted: historyManager.clearHistory();
         onRejected: close()
     }
 }