components/private/MobileCursor.qml

0001 /*
0002     SPDX-FileCopyrightText: 2018 Marco Martin <mart@kde.org>
0003
0004     SPDX-License-Identifier: LGPL-2.0-or-later
0005 */
0006
0007 import QtQuick 2.1
0008 import org.kde.plasma.core 2.0 as PlasmaCore
0009 import org.kde.kirigami 2.5 as Kirigami
0010
0011 Item {
0012     id: root
0013     width: 1 //<-important that this is actually a single device pixel
0014     height: units.gridUnit
0015
0016     property Item target
0017
0018     property bool selectionStartHandle: false
0019
0020     visible: Kirigami.Settings.tabletMode && ((target.activeFocus && !selectionStartHandle) || target.selectedText.length > 0)
0021
0022     Rectangle {
0023         width: Math.round(units.devicePixelRatio * 3)
0024         anchors {
0025             horizontalCenter: parent.horizontalCenter
0026             top: parent.top
0027             bottom: parent.bottom
0028         }
0029         color: Qt.tint(theme.highlightColor, Qt.rgba(1,1,1,0.4))
0030         radius: width
0031         Rectangle {
0032             width: Math.round(units.gridUnit/1.5)
0033             height: width
0034             anchors {
0035                 horizontalCenter: parent.horizontalCenter
0036                 verticalCenter: parent.bottom
0037             }
0038             radius: width
0039             color: Qt.tint(theme.highlightColor, Qt.rgba(1,1,1,0.4))
0040         }
0041         MouseArea {
0042             anchors {
0043                 fill: parent
0044                 margins: -units.gridUnit
0045             }
0046             preventStealing: true
0047             onPositionChanged: {
0048                 var pos = mapToItem(target, mouse.x, mouse.y);
0049                 pos = target.positionAt(pos.x, pos.y);
0050
0051                 if (target.selectedText.length > 0) {
0052                     if (selectionStartHandle) {
0053                         target.select(Math.min(pos, target.selectionEnd - 1), target.selectionEnd);
0054                     } else {
0055                         target.select(target.selectionStart, Math.max(pos, target.selectionStart + 1));
0056                     }
0057                 } else {
0058                     target.cursorPosition = pos;
0059                 }
0060             }
0061         }
0062     }
0063 }