aboutsummaryrefslogtreecommitdiffstats
path: root/examples/TransitionItem/imports/TransitionView/SwipeInteraction.qml
diff options
context:
space:
mode:
Diffstat (limited to 'examples/TransitionItem/imports/TransitionView/SwipeInteraction.qml')
-rw-r--r--examples/TransitionItem/imports/TransitionView/SwipeInteraction.qml119
1 files changed, 119 insertions, 0 deletions
diff --git a/examples/TransitionItem/imports/TransitionView/SwipeInteraction.qml b/examples/TransitionItem/imports/TransitionView/SwipeInteraction.qml
new file mode 100644
index 0000000..df2fa58
--- /dev/null
+++ b/examples/TransitionItem/imports/TransitionView/SwipeInteraction.qml
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Quick Designer Components.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+import QtQuick 2.12
+import TransitionItem 1.0
+import QtQuick.Controls 2.3
+import QtQuick.Timeline 1.0
+
+Item {
+ id: root
+ property var transitionView
+ property var list
+ parent: transitionView
+ anchors.fill: parent
+ z: -1
+
+ property real threshold: 35
+
+ property bool horizontal: true
+
+ property Item __activeItem
+
+ property bool __reactToTransition: false
+
+
+ Timer {
+ id: blocker
+ running: false
+ interval: 200
+ repeat: false
+ onTriggered: handler.enabled = true
+
+ }
+
+ Connections {
+ target: transitionView
+ onTransitionFinished: {
+ if (!root.__reactToTransition)
+ return
+ /* This is a tricky one. We have to also update the list.
+ The connection could be also done the other way around */
+ list.currentItem = root.__activeItem
+ root.__reactToTransition = false
+ }
+ }
+
+ DragHandler {
+ id: handler
+ xAxis.enabled: root.horizontal
+ yAxis.enabled: !root.horizontal
+ target: null
+ enabled: true
+
+ function distance() {
+ if (root.horizontal)
+ return (centroid.position.x - centroid.pressPosition.x) / transitionView.width
+ return -(centroid.position.y - centroid.pressPosition.y) / transitionView.height
+ }
+
+ onActiveChanged: {
+
+ if (handler.active) {
+ if (distance() < 0)
+ transitionView.nextItem = list.nextItem
+ else
+ transitionView.nextItem = list.prevItem
+
+ transitionView.scheduleTransition()
+ transitionView.currentTransition.effect.enable()
+ } else {
+ var p = Math.abs(distance()) * 100
+ if (transitionView.currentTransition.effect.progress > root.threshold) {
+ root.__activeItem = transitionView.nextItem
+ root.__reactToTransition = true
+ transitionView.currentTransition.__start()
+ } else {
+ transitionView.currentTransition.effect.abort()
+ }
+ /* Block for 100ms */
+ handler.enabled = false
+ blocker.start()
+ }
+ }
+
+ onCentroidChanged: {
+ var p = Math.abs(distance()) * 100
+
+ if (view.currentTransition)
+ view.currentTransition.effect.progress = p * 2
+ }
+ }
+}