<template>
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<!--本文件由FirstUI授权予四川政采招投标咨询有限公司（会员ID： 16 3，营业执照号： 915 1 0 13 1 332 00 619 3K）专用，请尊重知识产权，勿私下传播，违者追究法律责任。-->
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<view class="fui-horizontal__scroll" :style="{marginTop:marginTop+'rpx',marginBottom:marginBottom+'rpx'}"
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ref="fui_horizontal__scroll">
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<!-- #ifdef APP-VUE || MP-WEIXIN || H5-->
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<scroll-view :show-scrollbar="false" :scroll-x="true" :upper-threshold="0" :lower-threshold="0" :data-width="width" :data-bgwidth="bgWidth"
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:data-blockwidth="blockWidth" @scroll="handler.scroll" @scrolltoupper="handler.scrolltoupper"
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@scrolltolower="handler.scrolltolower" class="fui-hor__scroll-view">
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<view class="fui-hor__scroll-wrap">
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<slot></slot>
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</view>
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</scroll-view>
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<!-- #endif -->
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<!-- #ifdef APP-NVUE -->
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<scroller class="fui-hor__scroll-view" ref="fui_scroller_view" scroll-direction="horizontal"
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:show-scrollbar="false" :offset-accuracy="2" @scroll="nvueScrollHandler">
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<view class="fui-hor__scroll-wrap">
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<slot></slot>
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</view>
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</scroller>
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<!-- #endif -->
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<!-- #ifndef APP-PLUS || MP-WEIXIN || H5-->
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<scroll-view :show-scrollbar="false" :scroll-x="true" :upper-threshold="0" :lower-threshold="0" class="fui-hor__scroll-view"
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@scroll="scrollHandler" @scrolltoupper="scrolltoupper" @scrolltolower="scrolltolower">
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<view class="fui-hor__scroll-wrap">
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<slot></slot>
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</view>
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</scroll-view>
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<!-- #endif -->
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<view class="fui-hor__scrollbar-wrap" :style="{marginTop:scrollGap+'rpx'}" v-if="scroll">
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<view class="fui-hor__scrollbar" :class="{'fui-hor__scroll-radius':scrollCap==='round'}"
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:style="{height:blockHeight+'px',width:bgWidth+'px',background:background}">
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<view class="fui-hor__scroll-indicator"
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:class="{'fui-hor__scroll-radius':scrollCap==='round','fui-hor__scroll-bg':!scrollBarColor}"
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:style="getStyles" ref="fui_hor_indicator"></view>
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</view>
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</view>
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</view>
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</template>
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<!-- #ifdef APP-VUE || MP-WEIXIN || H5-->
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<script src="./index.wxs" module="handler" lang="wxs"></script>
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<!-- #endif -->
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<script>
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// #ifdef APP-NVUE
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const dom = uni.requireNativePlugin('dom');
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// #endif
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import bindingx from './bindingx.js'
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import mpjs from './mpjs.js'
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export default {
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name: "fui-horizontal-scroll",
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mixins: [mpjs, bindingx],
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emits: ['scrolltoupper', 'scrolltolower'],
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props: {
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marginTop: {
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type: [String, Number],
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default: 0
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},
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marginBottom: {
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type: [String, Number],
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default: 0
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},
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// 是否显示滚动条
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scroll: {
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type: Boolean,
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default: true
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},
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// 滚动条区域宽度/长度
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scrollWidth: {
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type: [String, Number],
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default: 96
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},
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// 滚动条的宽度
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scrollBarWidth: {
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type: [String, Number],
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default: 32
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},
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// 滚动区域/滚动条高度
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scrollHeight: {
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type: [String, Number],
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default: 8
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},
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//滚动条两端样式，可选值为 square、round
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scrollCap: {
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type: String,
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default: 'round'
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},
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scrollBarColor: {
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type: String,
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default: ''
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},
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background: {
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type: String,
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default: '#EEEEEE'
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},
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//自定义滚动条距离上方内容间距
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scrollGap: {
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type: [String, Number],
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default: 24
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}
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},
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data() {
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return {
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width: 0,
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//滚动条背景长度
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bgWidth: 0,
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//滚动条滑块长度
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blockWidth: 0,
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blockHeight: 0,
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transform: '',
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isMounted: false
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};
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},
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created() {
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this.bgWidth = this.getPx(this.scrollWidth || 96)
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this.blockWidth = this.getPx(this.scrollBarWidth || 32)
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this.blockHeight = this.getPx(this.scrollHeight || 8)
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},
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mounted() {
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this.isMounted = true
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this.$nextTick(() => {
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this.init()
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})
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},
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// #ifdef H5
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updated() {
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if(!this.isMounted && !this.width){
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setTimeout(() => {
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this.init()
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}, 0)
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}
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},
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// #endif
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watch: {
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scrollWidth(val) {
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this.bgWidth = this.getPx(val || 96)
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},
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scrollBarWidth(val) {
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this.blockWidth = this.getPx(this.scrollBarWidth || 32)
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},
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scrollHeight(val) {
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this.blockHeight = this.getPx(this.scrollHeight || 8)
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}
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},
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computed: {
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getStyles() {
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let style = `height:${this.blockHeight}px;width:${this.blockWidth}px;`
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let color = this.scrollBarColor;
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// #ifdef APP-NVUE
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if (!color || color === true) {
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const app = uni && uni.$fui && uni.$fui.color;
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color = (app && app.primary) || '#465CFF';
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}
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// #endif
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if (color && color !== true) {
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style += `background:${color};`
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}
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// #ifndef APP-PLUS || MP-WEIXIN
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style += `transform:${this.transform}`
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// #endif
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return style
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}
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},
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methods: {
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//如果初始化有误，可调用此方法重新初始化
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init() {
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setTimeout(() => {
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this._getSize()
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}, 80);
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},
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getPx(rpx) {
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let px = Math.floor(uni.upx2px(Number(rpx)));
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px = px % 2 === 0 ? px : px + 1
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return px;
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},
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scrollEvent(edge) {
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const event = edge === 'left' ? 'scrolltoupper' : 'scrolltolower'
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this.$emit(event)
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},
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_getSize() {
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// #ifndef APP-NVUE
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uni.createSelectorQuery()
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// #ifndef MP-ALIPAY
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.in(this)
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// #endif
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.select('.fui-horizontal__scroll')
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.boundingClientRect()
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.exec(ret => {
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if (ret) {
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this.width = ret[0].width || 0
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}
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})
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// #endif
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// #ifdef APP-NVUE
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dom.getComponentRect(this.$refs['fui_horizontal__scroll'], (ret) => {
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const size = ret.size
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if (size) {
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this.width = size.width
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}
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})
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// #endif
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}
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}
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}
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</script>
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<style scoped>
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/* #ifndef APP-NVUE */
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::-webkit-scrollbar {
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width: 0 !important;
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height: 0 !important;
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color: transparent !important;
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display: none;
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}
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/* #endif */
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.fui-horizontal__scroll,
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.fui-hor__scroll-view,
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.fui-hor__scroll-wrap {
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/* #ifndef APP-NVUE */
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display: flex;
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flex-shrink: 0;
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/* #endif */
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flex-direction: row;
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}
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.fui-horizontal__scroll {
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flex-direction: column;
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align-items: stretch;
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/* #ifndef APP-NVUE */
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align-content: flex-start;
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/* #endif */
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}
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.fui-hor__scrollbar-wrap {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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flex-direction: row;
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justify-content: center;
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}
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.fui-hor__scrollbar {
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position: relative;
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overflow: hidden;
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/* #ifndef APP-NVUE */
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transform: translateZ(0);
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/* #endif */
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}
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.fui-hor__scroll-radius {
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border-radius: 100px;
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}
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.fui-hor__scroll-indicator {
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position: absolute;
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left: 0;
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top: 0;
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/* #ifndef APP-NVUE */
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transition: all 0.1s linear;
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/* #endif */
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}
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/* #ifndef APP-NVUE */
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.fui-hor__scroll-bg {
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background-color: var(--fui-color-primary, #465CFF) !important;
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}
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/* #endif */
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</style>
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