This commit is contained in:
844143714@qq,com
parent
bd5bd63f42
commit
dbb430b088
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@ -73,7 +73,9 @@ class ChatViewModel(application: Application) : AndroidViewModel(application) {
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if (!messagesJson.isNullOrBlank()) {
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val messagesArray = JSONArray(messagesJson)
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val restoredMessages = mutableListOf<ChatMessage>()
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for (i in 0 until messagesArray.length()) {
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val maxMessages = 200 // 👈 限制最多加载200条消息，避免大数据解析卡顿
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val startIndex = (messagesArray.length() - maxMessages).coerceAtLeast(0)
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for (i in startIndex until messagesArray.length()) {
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val obj = messagesArray.getJSONObject(i)
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restoredMessages.add(
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ChatMessage(
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@ -91,7 +93,6 @@ class ChatViewModel(application: Application) : AndroidViewModel(application) {
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e.printStackTrace()
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}
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// 如果本地什么都没有，自动开启第一个默认会话
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if (_sessions.value.isEmpty()) {
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createNewSession()
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}
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@ -201,7 +202,7 @@ class ChatViewModel(application: Application) : AndroidViewModel(application) {
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// 👈 限制最多取最近10轮对话（20条消息），避免token超限
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val currentSessionMsgs = _messages.value
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.filter { it.sessionId == sessionId && it.id != userMsg.id && it.id != aiMsgId && !it.isStreaming }
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.takeLast(20)
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.takeLast(6)
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// 👈 使用 JSONArray 构建历史记录，确保特殊字符被正确转义
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val historyArray = JSONArray()
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@ -6,7 +6,6 @@ import androidx.compose.animation.core.tween
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import androidx.compose.foundation.background
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import androidx.compose.foundation.gestures.detectDragGestures
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import androidx.compose.foundation.layout.*
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import androidx.compose.foundation.shape.CircleShape
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import androidx.compose.foundation.shape.RoundedCornerShape
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import androidx.compose.material3.*
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import androidx.compose.runtime.*
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@ -27,18 +26,25 @@ import kotlin.math.roundToInt
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fun FloatingChatWidget() {
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var isExpanded by remember { mutableStateOf(false) }
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val configuration = LocalConfiguration.current
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val density = LocalDensity.current
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// 1. 宽度缩小到屏幕的 45% (高品质窄窗设计)
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val screenWidthPx = with(density) { configuration.screenWidthDp.dp.toPx() }
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val screenHeightPx = with(density) { configuration.screenHeightDp.dp.toPx() }
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val maxWidth = (configuration.screenWidthDp * 0.45f).dp
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val maxHeight = (configuration.screenHeightDp * 0.75f).dp
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val cardWidthPx = with(density) { maxWidth.toPx() }
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val cardHeightPx = with(density) { maxHeight.toPx() }
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val fabSizePx = with(density) { 56.dp.toPx() }
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val paddingPx = with(density) { 16.dp.toPx() }
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val navBarPx = with(density) { 32.dp.toPx() }
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// 2. 悬浮圆圈的拖动坐标状态
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// 👈 FAB偏移量，全屏幕可拖动
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var fabOffsetX by remember { mutableStateOf(0f) }
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var fabOffsetY by remember { mutableStateOf(0f) }
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// 3. 聊天卡片相对于初始右下角位置的额外拖动位移状态
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var cardOffsetX by remember { mutableStateOf(0f) }
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var cardOffsetY by remember { mutableStateOf(0f) }
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// 👈 对话框额外偏移（拖动对话框产生）
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var cardDragX by remember { mutableStateOf(0f) }
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var cardDragY by remember { mutableStateOf(0f) }
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if (isExpanded) {
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BackHandler {
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@ -46,31 +52,23 @@ fun FloatingChatWidget() {
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}
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}
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// 👈 彻底终结“背部网页点不到”与“拖出空气墙被吃掉”的终极解决方案！
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// 根本原因分析：
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// 之前使用 Popup(clippingEnabled = false) 时，虽然关闭了裁剪，但 Popup 的 Window 底层窗口尺寸仍被定死在右下角（340X500）。
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// 在 Android/Undertow 容器中，一旦把子 View（卡片）使用 offset 偏移出 Popup 原本的 340X500 物理窗口区域：
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// - 卡片移出部分由于脱离了 Popup 原生的 Window 视口，会被系统窗口裁剪（产生被空气墙强行吃掉的效果）。
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// - 只要 Popup 处于显示状态，Undertow 底层会为它分配一个全屏幕捕获手势的不可见透明幕墙，封死了底下所有网页的点击。
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//
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// 终极破局：我们彻底抛弃 Android 系统内置的 Popup 视窗！
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// 我们的 FloatingChatWidget 本身就是 MainActivity 动态 addView 进去的一个全屏 Compose 容器。
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// 我们直接在 MainActivity 顶层的全屏 Box 画布中利用 Compose 的声明式叠加，像漂浮图层一样直接渲染卡片和 FAB。
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// - 这样，卡片移动没有任何 Popup 物理窗口的边缘裁剪（彻底告别空气墙吃掉画面）！
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// - 同时，我们在全屏的 Box 容器上应用 `Modifier.pointerInput` 拦截时，只在卡片和 FAB 本身尺寸上捕捉手势，
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// 其他 100% 的空白区域通过 Compose 的无阻透传机制，根本不会有任何拦截，背后的 Web 网页可以 100% 自由交互、滚动和点击！
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Box(
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modifier = Modifier.fillMaxSize() // Canvas 覆盖全屏，不需要任何 Popup，彻底零空气墙！
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) {
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// 右下角悬浮按钮（支持手指任意位置拖拽）
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Box(modifier = Modifier.fillMaxSize()) {
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// FAB - 全屏幕可拖动
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if (!isExpanded) {
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FloatingActionButton(
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onClick = { isExpanded = true },
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modifier = Modifier
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.align(Alignment.BottomEnd)
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.padding(16.dp)
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.padding(bottom = 32.dp) // 留出导航栏空间
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.offset { IntOffset(fabOffsetX.roundToInt(), fabOffsetY.roundToInt()) } // 应用拖拽偏移量
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.padding(bottom = 32.dp)
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.offset {
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IntOffset(
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fabOffsetX.roundToInt()
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.coerceIn(-(screenWidthPx - fabSizePx - paddingPx * 2).toInt(), 0),
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fabOffsetY.roundToInt()
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.coerceIn(-(screenHeightPx - fabSizePx - paddingPx * 2 - navBarPx).toInt(), 0)
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)
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}
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.pointerInput(Unit) {
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detectDragGestures(
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onDragStart = { },
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@ -89,20 +87,25 @@ fun FloatingChatWidget() {
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}
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}
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// 弹出的对话卡片（以纯浮动图层方式渲染，完全不用 Popup，完美响应键盘且 100% 不遮挡空白区域点击）
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// 对话框 - 展开后必须在界面内
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if (isExpanded) {
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var visible by remember { mutableStateOf(false) }
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LaunchedEffect(Unit) {
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visible = true // 弹出时触发灵动入场动画
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visible = true
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}
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// 动态计算卡片初始弹窗位置（在屏幕右下角）
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val initialX = with(LocalDensity.current) {
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(configuration.screenWidthDp.dp - maxWidth - 16.dp).toPx()
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}
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val initialY = with(LocalDensity.current) {
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(configuration.screenHeightDp.dp - maxHeight - 48.dp).toPx()
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}
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// 👈 用 FAB 位置计算对话框位置，但强制钳制在屏幕内
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// FAB右下角为基准：对话框应该出现在 FAB 附近
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val fabRight = screenWidthPx - paddingPx * 2 + fabOffsetX // FAB右边缘
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val fabBottom = screenHeightPx - paddingPx * 2 - navBarPx + fabOffsetY // FAB下边缘
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// 对话框优先放在 FAB 左上方，如果放不下就贴边
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val rawX = fabRight - cardWidthPx - paddingPx // FAB左边
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val rawY = fabBottom - cardHeightPx - paddingPx // FAB上边
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// 👈 关键：钳制到屏幕内
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val clampedX = rawX.coerceIn(0f, screenWidthPx - cardWidthPx)
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val clampedY = rawY.coerceIn(0f, screenHeightPx - cardHeightPx)
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AnimatedVisibility(
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visible = visible,
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@ -110,10 +113,11 @@ fun FloatingChatWidget() {
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exit = fadeOut(animationSpec = tween(200)) + scaleOut(targetScale = 0.8f, animationSpec = tween(200)),
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modifier = Modifier
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.offset {
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// 初始右下角位置 + 用户手动拖拽位移
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IntOffset(
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(initialX + cardOffsetX).roundToInt(),
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(initialY + cardOffsetY).roundToInt()
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(clampedX + cardDragX).roundToInt()
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.coerceIn(0, (screenWidthPx - cardWidthPx).toInt()),
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(clampedY + cardDragY).roundToInt()
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.coerceIn(0, (screenHeightPx - cardHeightPx).toInt())
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)
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}
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.width(maxWidth)
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@ -124,12 +128,17 @@ fun FloatingChatWidget() {
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) {
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ChatScaffold(
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onClose = {
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visible = false // 触发退场动画
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visible = false
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isExpanded = false
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// 👈 关闭时把FAB偏移同步（对话框拖动带动FAB）
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fabOffsetX += cardDragX
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fabOffsetY += cardDragY
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cardDragX = 0f
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cardDragY = 0f
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},
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onDrag = { dx, dy -> // 响应来自 ChatArea 标题栏的手势拖拽
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cardOffsetX += dx
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cardOffsetY += dy
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onDrag = { dx, dy ->
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cardDragX += dx
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cardDragY += dy
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}
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)
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}
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@ -93,10 +93,19 @@ fun ChatArea(
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contentColor = if (isUser) Color.White else Color.Black
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) {
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if (isUser) {
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Text(
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text = msg.content,
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modifier = Modifier.padding(12.dp),
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style = MaterialTheme.typography.bodyMedium
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androidx.compose.ui.viewinterop.AndroidView(
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factory = { ctx ->
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SafeSelectableTextView(ctx).apply {
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setTextColor(android.graphics.Color.WHITE)
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textSize = 14f
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setTextIsSelectable(true)
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setPadding(0, 0, 0, 0)
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}
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},
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update = { view ->
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view.text = msg.content
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},
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modifier = Modifier.padding(12.dp)
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)
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} else {
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val contentWithCursor = msg.content + if (msg.isStreaming) " █" else ""
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@ -58,19 +58,35 @@ fun ChatScaffold(
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ModalNavigationDrawer(
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drawerState = drawerState,
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gesturesEnabled = false,
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drawerContent = {
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ModalDrawerSheet(modifier = Modifier.fillMaxWidth(0.7f)) {
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Column(Modifier.fillMaxSize().padding(16.dp)) {
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ModalDrawerSheet(modifier = Modifier.width(240.dp)) {
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Column(Modifier.fillMaxSize().padding(12.dp)) {
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// 👈 顶部关闭按钮
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Row(
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modifier = Modifier.fillMaxWidth(),
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horizontalArrangement = Arrangement.SpaceBetween,
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verticalAlignment = Alignment.CenterVertically
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) {
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Text("历史对话", style = MaterialTheme.typography.titleSmall)
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TextButton(onClick = { scope.launch { drawerState.close() } }) {
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Text("关闭")
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}
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}
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Spacer(Modifier.height(8.dp))
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Button(
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onClick = {
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viewModel.createNewSession()
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scope.launch { drawerState.close() }
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},
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modifier = Modifier.fillMaxWidth()
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modifier = Modifier.fillMaxWidth(),
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contentPadding = PaddingValues(vertical = 8.dp)
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) {
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Icon(Icons.Default.Add, contentDescription = null)
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Spacer(Modifier.width(8.dp))
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Text("新建话题")
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Icon(Icons.Default.Add, contentDescription = null, modifier = Modifier.size(18.dp))
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Spacer(Modifier.width(4.dp))
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Text("新建话题", style = MaterialTheme.typography.bodySmall)
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}
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Spacer(Modifier.height(16.dp))
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@ -68,19 +68,19 @@ class AiChatRepository {
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val curLine = line ?: continue
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if (curLine.startsWith("data:")) {
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val content = curLine.substring(5)
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Timber.d("内容111111111："+content)
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// Timber.d("内容111111111："+content)
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if (content.contains("|") && lastcontent.contains("|")){
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trySend("\n")
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Timber.d("1发送11111111111：换行")
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// Timber.d("1发送11111111111：换行")
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trySend(content)
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Timber.d("2发送11111111111："+content)
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// Timber.d("2发送11111111111："+content)
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}else if (content.length==0) {
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// 空data行表示换行
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trySend("\n")
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Timber.d("3发送11111111111：换行")
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// Timber.d("3发送11111111111：换行")
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}else {
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trySend(content)
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Timber.d("4发送11111111111："+content)
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// Timber.d("4发送11111111111："+content)
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}
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lastcontent = content;
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}
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