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Diffstat (limited to 'src/quick/doc/snippets/pointerHandlers/draggableGridView.qml')
| -rw-r--r-- | src/quick/doc/snippets/pointerHandlers/draggableGridView.qml | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/quick/doc/snippets/pointerHandlers/draggableGridView.qml b/src/quick/doc/snippets/pointerHandlers/draggableGridView.qml new file mode 100644 index 0000000000..0b19274e0d --- /dev/null +++ b/src/quick/doc/snippets/pointerHandlers/draggableGridView.qml @@ -0,0 +1,168 @@ +/**************************************************************************** +** +** Copyright (C) 2024 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +pragma ComponentBehavior: Bound +import QtQml +import QtQuick +import QtQml.Models + +//! [entire] +GridView { + id: root + width: 320 + height: 480 + cellWidth: 80 + cellHeight: 80 + interactive: false + + displaced: Transition { + NumberAnimation { + properties: "x,y" + easing.type: Easing.OutQuad + } + } + + model: DelegateModel { + id: visualModel + model: 24 + property var dropTarget: undefined + property bool copy: false + delegate: DropArea { + id: delegateRoot + + width: 80 + height: 80 + + onEntered: drag => { + if (visualModel.copy) { + if (drag.source !== icon) + visualModel.dropTarget = icon + } else { + visualModel.items.move(drag.source.DelegateModel.itemsIndex, icon.DelegateModel.itemsIndex) + } + } + + Rectangle { + id: icon + objectName: DelegateModel.itemsIndex + + property string text + Component.onCompleted: { + color = Qt.rgba(0.2 + (48 - DelegateModel.itemsIndex) * Math.random() / 48, + 0.3 + DelegateModel.itemsIndex * Math.random() / 48, + 0.4 * Math.random(), + 1.0) + text = DelegateModel.itemsIndex + } + border.color: visualModel.dropTarget === this ? "black" : "transparent" + border.width: 2 + radius: 3 + width: 72 + height: 72 + anchors { + horizontalCenter: parent.horizontalCenter + verticalCenter: parent.verticalCenter + } + + states: [ + State { + when: dragHandler.active || controlDragHandler.active + ParentChange { + target: icon + parent: root + } + + AnchorChanges { + target: icon + anchors { + horizontalCenter: undefined + verticalCenter: undefined + } + } + } + ] + + Text { + anchors.centerIn: parent + color: "white" + font.pointSize: 14 + text: controlDragHandler.active ? "+" : icon.text + } + + //! [draghandlers] + DragHandler { + id: dragHandler + acceptedModifiers: Qt.NoModifier + onActiveChanged: if (!active) visualModel.dropTarget = undefined + } + + DragHandler { + id: controlDragHandler + acceptedModifiers: Qt.ControlModifier + onActiveChanged: { + visualModel.copy = active + if (!active) { + visualModel.dropTarget.text = icon.text + visualModel.dropTarget.color = icon.color + visualModel.dropTarget = undefined + } + } + } + //! [draghandlers] + + Drag.active: dragHandler.active || controlDragHandler.active + Drag.source: icon + Drag.hotSpot.x: 36 + Drag.hotSpot.y: 36 + } + } + } +} +//! [entire] |