mirror of
https://invent.kde.org/marcoa/shift-shell.git
synced 2026-04-26 14:23:09 +00:00
210042a6bf
Move from a C++ library + QML plugin to a QML plugin only for simplicity, since the homescreen switching architecture will be done from Plasma, and so use of the shell library only needs to be from QML.
88 lines
2.4 KiB
QML
88 lines
2.4 KiB
QML
/*
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* SPDX-FileCopyrightText: 2021 Devin Lin <devin@kde.org>
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*
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* SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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import QtQuick 2.15
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import QtQuick.Layouts 1.15
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import org.kde.taskmanager 0.1 as TaskManager
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import org.kde.plasma.core 2.1 as PlasmaCore
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import org.kde.plasma.components 3.0 as PlasmaComponents
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import org.kde.plasma.private.nanoshell 2.0 as NanoShell
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import org.kde.plasma.private.mobileshell 1.0 as MobileShell
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Flickable {
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id: root
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required property var taskSwitcherState
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// we use flickable solely for capturing flicks, not positioning elements
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contentWidth: width + 99999
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contentHeight: height
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contentX: startContentX
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readonly property real startContentX: contentWidth / 2
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property bool positionChangedDueToFlickable: false
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// ensure that flickable is not moving when other sources are changing position
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Connections {
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target: root.taskSwitcherState
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onXPositionChanged: {
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if (!root.positionChangedDueToFlickable) {
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root.cancelMovement();
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}
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root.positionChangedDueToFlickable = true;
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}
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onYPositionChanged: {
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if (!root.positionChangedDueToFlickable) {
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root.cancelMovement();
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}
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root.positionChangedDueToFlickable = true;
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}
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}
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// update position from horizontal flickable movement
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property real oldContentX
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onContentXChanged: {
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positionChangedDueToFlickable = true;
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taskSwitcherState.xPosition += contentX - oldContentX;
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oldContentX = contentX;
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}
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onMovementStarted: taskSwitcherState.cancelAnimations();
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onMovementEnded: {
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resetPosition();
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taskSwitcherState.updateState();
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}
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onFlickEnded: {
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resetPosition();
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taskSwitcherState.updateState();
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}
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onDraggingChanged: {
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if (!dragging) {
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cancelMovement();
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resetPosition();
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taskSwitcherState.updateState();
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} else {
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taskSwitcherState.cancelAnimations();
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}
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}
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function cancelMovement() {
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root.cancelFlick();
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// HACK: cancelFlick() doesn't seem to cancel flicks...
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root.flick(-horizontalVelocity, 0);
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}
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function resetPosition() {
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positionChangedDueToFlickable = true;
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oldContentX = startContentX;
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contentX = startContentX;
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}
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}
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