Files
neochat/imports/NeoChat/Component/ChatBox/CursorHandle.qml
2021-06-10 11:29:59 +00:00

99 lines
3.9 KiB
QML

/* SPDX-FileCopyrightText: 2018 Marco Martin <mart@kde.org>
* SPDX-FileCopyrightText: 2021 Noah Davis <noahadvs@gmail.com>
* SPDX-License-Identifier: LGPL-2.0-or-later
*/
import QtQuick 2.15
import QtQuick.Window 2.15
import QtQuick.Templates 2.15
import org.kde.kirigami 2.14 as Kirigami
Loader {
id: root
property Item target
property bool isSelectionEnd: false
visible: Kirigami.Settings.tabletMode && target.activeFocus && (isSelectionEnd ? target.selectionStart !== target.selectionEnd : true)
active: visible
sourceComponent: Kirigami.ShadowedRectangle {
id: handle
property real selectionStartX: Math.floor(Qt.inputMethod.anchorRectangle.x + (Qt.inputMethod.cursorRectangle.width - width)/2)
property real selectionStartY: Math.floor(Qt.inputMethod.anchorRectangle.y + Qt.inputMethod.cursorRectangle.height + pointyBitVerticalOffset)
property real selectionEndX: Math.floor(Qt.inputMethod.cursorRectangle.x + (Qt.inputMethod.cursorRectangle.width - width)/2)
property real selectionEndY: Math.floor(Qt.inputMethod.cursorRectangle.y + Qt.inputMethod.cursorRectangle.height + pointyBitVerticalOffset)
property real pointyBitVerticalOffset: Math.abs(pointyBit.y*2)
parent: Overlay.overlay
x: isSelectionEnd ? selectionEndX : selectionStartX
y: isSelectionEnd ? selectionEndY : selectionStartY
// HACK: make it appear above most popups that show up in the
// overlay in case any of them use TextField or TextArea
z: 999
//opacity: target.activeFocus ? 1 : 0
implicitHeight: {
let h = Kirigami.Units.gridUnit
return h - (h % 2 == 0 ? 1 : 0)
}
implicitWidth: implicitHeight
radius: width/2
color: target.selectionColor
shadow {
color: Qt.rgba(0,0,0,0.2)
size: 3
yOffset: 1
}
Rectangle {
id: pointyBit
x: (parent.width - width)/2
y: -height/4 + 0.2 // magic number to get it to line up with the edge of the circle
implicitHeight: parent.implicitHeight/2
implicitWidth: implicitHeight
antialiasing: true
rotation: 45
color: parent.color
}
Kirigami.ShadowedRectangle {
id: inner
visible: target.selectionStart !== target.selectionEnd && (handle.y < selectionStartY || handle.y < selectionEndY)
anchors.fill: parent
anchors.margins: Kirigami.Units.smallBorder
color: target.selectedTextColor
radius: height/2
Rectangle {
id: innerPointyBit
x: (parent.width - width)/2
y: -height/4 + 0.8 // magic number to get it to line up with the edge of the circle
implicitHeight: pointyBit.implicitHeight
implicitWidth: implicitHeight
antialiasing: true
rotation: 45
color: parent.color
}
}
MouseArea {
enabled: handle.visible
anchors.fill: parent
// preventStealing: true
onPositionChanged: {
let pos = mapToItem(root.target, mouse.x, mouse.y);
pos = root.target.positionAt(pos.x, pos.y - handle.height - handle.pointyBitVerticalOffset);
if (target.selectionStart !== target.selectionEnd) {
if (!isSelectionEnd) {
root.target.select(Math.min(pos, root.target.selectionEnd - 1), root.target.selectionEnd);
} else {
root.target.select(root.target.selectionStart, Math.max(pos, root.target.selectionStart + 1));
}
} else {
root.target.cursorPosition = pos;
}
}
}
}
}