Inital commit of the Komplex Hub

2026-06-02 15:11:36 -04:00
commit 96a7c71a29
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+/****************************************************************************
+**
+** Copyright (C) 2020 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
+        function 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()
+                if (transitionView.currentTransition)
+                    transitionView.currentTransition.effect.enable()
+            } else {
+                var p = Math.abs(distance()) * 100
+                if (transitionView.currentTransition && transitionView.currentTransition.effect.progress > root.threshold) {
+                    root.__activeItem = transitionView.nextItem
+                    root.__reactToTransition = true
+                    transitionView.currentTransition.__start()
+                } else { /* Drag was released, but threshold was not passed */
+                    if (transitionView.currentTransition)
+                        transitionView.currentTransition.effect.abort()
+                }
+                /* Block for 100ms */
+                handler.enabled = false
+                blocker.start()
+            }
+        }
+
+        onCentroidChanged: {
+            if (!handler.enabled)
+                return
+
+            var p = Math.abs(distance()) * 100
+
+            if (transitionView.currentTransition)
+                transitionView.currentTransition.effect.progress = p * 2
+        }
+    }
+}