C语言
Qt Quick Ultralite汽车集群演示
/****************************************************************************** ** ** Copyright (C) 2020 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Quick Ultralite module. ** ** $QT_BEGIN_LICENSE:COMM$ ** ** 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 http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** $QT_END_LICENSE$ ** ******************************************************************************/import QtQuick 2.15 import Automotive 1.0 NormalModeContentItem { Repeater { model: ListModel { // FIXME: https://bugreports.qt.io/browse/UL-597 // Durations are used in MediaPlayerModel.qml ListElement { artist: "Thomas Lammer"; song: "Setsuna"; cover: "images/albums/juno.png"; } ListElement { artist: "Thievery Corporation"; song: "Le Monde"; cover: "images/albums/thievery-corp.png"; } ListElement { artist: "Tycho"; song: "Aweke"; cover: "images/albums/tycho.png"; } ListElement { artist: "De Phazz"; song: "Chocolate"; cover: "images/albums/phazz.png"; } ListElement { artist: "AK"; song: "Discovery"; cover: "images/albums/ak.png"; } } Item { anchors.fill: parent property int pos: -(-(10 + index - MediaPlayerModel.track%5 + 2) % 5) - 2 Text { id: artistTxt anchors.horizontalCenter: parent.horizontalCenter; y: 77 text: model.artist font.bold: true font.pixelSize: 16 font.family: "Sarabun" color: Style.lightPeriwinkle opacity: pos == 0 ? 1 : 0; Behavior on opacity { NumberAnimation{ duration: MediaPlayerModel.changeSongDuration } } } Text { id: songTxt anchors.horizontalCenter: parent.horizontalCenter; y: 96 text: model.song; font.pixelSize: 14 font.family: "Sarabun" color: Style.lightPeriwinkle opacity: artistTxt.opacity } Image { id: img x: (parent.width - width) / 2 + Math.max(Math.min(pos, 1), -1) * 49 Behavior on x { NumberAnimation{ duration: MediaPlayerModel.changeSongDuration easing.type: pos == 1 ? Easing.OutQuad : Easing.OutCubic } } opacity: pos == 0 ? 1 : Math.abs(pos) == 1 ? 0.25 : 0 Behavior on opacity { NumberAnimation{ duration: MediaPlayerModel.changeSongDuration } } y: 121 source: model.cover } z: img.opacity > 0.90 ? 1 : -Math.abs(pos); } } Row { anchors.horizontalCenter: parent.horizontalCenter; y: 262 id: durationLabel visible: MainModel.introSequenceCompleted Text { text: Math.floor(MediaPlayerModel.timePassed / 60) font.pixelSize: 14 font.family: "Sarabun" color: Style.lightPeriwinkle } Text { text: (MediaPlayerModel.timePassed % 60) < 10 ? ":0" : ":" font.pixelSize: 14 font.family: "Sarabun" color: Style.lightPeriwinkle } Text { text: Math.floor(MediaPlayerModel.timePassed % 60) font.pixelSize: 14 font.family: "Sarabun" color: Style.lightPeriwinkle } } SequentialAnimation { running: !MediaPlayerModel.mediaPlayback && MainModel.introSequenceCompleted loops: Animation.Infinite alwaysRunToEnd: true PropertyAnimation { target: durationLabel property: "opacity" duration: 400 from: 1.0 to: 0.0 } PauseAnimation { duration: 100 } PropertyAnimation { target: durationLabel property: "opacity" duration: 400 from: 0.0 to: 1.0 } } }