Context menu

Signed-off-by: denis0001-dev <denis0001.dev@ya.ru>

app/desktop/src/main/kotlin/ru/fromchat/desktop/Main.kt

@@ -262,6 +262,12 @@ fun main(args: Array<String>) {
         // Treat TrayIcon images as NSImage templates so the menu bar tints them for light/dark.
         // Must be set before CTrayIcon loads (Compose Tray / SystemTray).
         System.setProperty("apple.awt.enableTemplateImages", "true")
+        val appearanceName = when (runCatching { Settings.theme }.getOrDefault(Theme.AsSystem)) {
+            Theme.Dark -> "NSAppearanceNameDarkAqua"
+            Theme.Light -> "NSAppearanceNameAqua"
+            Theme.AsSystem -> "system"
+        }
+        System.setProperty("apple.awt.application.appearance", appearanceName)
     }
     if (!DesktopSingleInstance.acquireOrForward(args)) return
     DesktopProtocolRegistration.register()

app/shared/build.gradle.kts

@@ -169,6 +169,7 @@ kotlin {
         }
 
         jvmMain.dependencies {
+            implementation(compose.desktop.currentOs)
             implementation(libs.jetbrains.kotlinx.io.bytestring)
             implementation(libs.jetbrains.kotlinx.coroutines.core)
             implementation(libs.ktor.client.cio)

app/shared/src/androidMain/kotlin/ru/fromchat/ui/chat/MessageContextMenuPopup.android.kt

@@ -9,6 +9,7 @@ import androidx.compose.ui.window.PopupProperties
 internal actual fun MessageContextMenuPopup(
     onDismissRequest: () -> Unit,
     positionProvider: PopupPositionProvider,
+    reserveOvershoot: Boolean,
     content: @Composable () -> Unit,
 ) {
     Popup(
@@ -18,7 +19,8 @@ internal actual fun MessageContextMenuPopup(
             focusable = true,
             dismissOnBackPress = true,
             dismissOnClickOutside = true,
-            clippingEnabled = true,
+            // Let the spring draw past the laid-out bounds while [reserveOvershoot] is true.
+            clippingEnabled = !reserveOvershoot,
         ),
         content = content,
     )

app/shared/src/androidMain/kotlin/ru/fromchat/ui/chat/utils/AttachmentDragDrop.android.kt

@@ -12,6 +12,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.draganddrop.DragAndDropEvent
 import androidx.compose.ui.draganddrop.mimeTypes
 import androidx.compose.ui.draganddrop.toAndroidDragEvent
+import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.platform.LocalContext
 import androidx.core.app.ActivityCompat
 import androidx.core.net.toUri
@@ -34,6 +35,11 @@ actual fun rememberAttachmentDropPermissionsHost(): AttachmentDropPermissionsHos
     }
 }
 
+actual fun dragPointerInWindow(event: DragAndDropEvent): Offset? {
+    val androidEvent = event.toAndroidDragEvent()
+    return Offset(androidEvent.x, androidEvent.y)
+}
+
 actual fun acceptsAttachmentDrop(event: DragAndDropEvent): Boolean {
     val mimeTypes = event.mimeTypes()
     if (mimeTypes.any { it == ClipDescription.MIMETYPE_TEXT_URILIST }) return true

app/shared/src/commonMain/kotlin/ru/fromchat/legal/DocumentScreen.kt

@@ -70,6 +70,7 @@ import ru.fromchat.ui.chat.rememberChatSurfaceContainerHazeStyle
 import ru.fromchat.ui.components.ActionButton
 import ru.fromchat.ui.components.ScreenSurface
 import ru.fromchat.ui.components.Text
+import ru.fromchat.ui.extraStatusBars
 
 private data class PendingDocument(
     val parsed: ParsedDocument,
@@ -119,6 +120,7 @@ fun DocumentScreen(
         topBar = {
             val topBarHazeStyle = rememberChatSurfaceContainerHazeStyle()
             MediumTopAppBar(
+                windowInsets = WindowInsets.extraStatusBars,
                 title = {
                     Text(
                         text = when (type) {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/App.kt

@@ -84,6 +84,9 @@ import ru.fromchat.ui.auth.captcha.SmartCaptchaNav
 import ru.fromchat.ui.auth.captcha.SmartCaptchaScreen
 import ru.fromchat.ui.auth.yandex.YandexOAuthNav
 import ru.fromchat.ui.auth.yandex.YandexOAuthScreen
+import ru.fromchat.ui.chat.ChatFullscreenImageController
+import ru.fromchat.ui.chat.ChatFullscreenImageHost
+import ru.fromchat.ui.chat.LocalChatFullscreenImageController
 import ru.fromchat.ui.calls.CallOverlay
 import ru.fromchat.ui.chat.panels.dm.navigateToDmChat
 import ru.fromchat.ui.chat.panels.publicchat.PublicChatNav
@@ -471,13 +474,15 @@ fun App(
                 }
             }
 
+            val fullscreenImageController = remember { ChatFullscreenImageController() }
             CompositionLocalProvider(
                 LocalNavController provides navController,
                 LocalDesktopChatsNavController provides
                     if (isDesktopListDetail) chatsDetailNavController else null,
                 LocalDesktopSettingsNavController provides
                     if (isDesktopListDetail) settingsDetailNavController else null,
-                LocalSystemBarsVisibility provides rememberSystemBarsController()
+                LocalSystemBarsVisibility provides rememberSystemBarsController(),
+                LocalChatFullscreenImageController provides fullscreenImageController,
             ) {
                 if (startDestination != null) {
                     val currentEntry by navController.currentBackStackEntryAsState()
@@ -673,9 +678,6 @@ fun App(
                             AppNavHost(Modifier.fillMaxSize())
 
                             if (showConversationListDetail) {
-                                val detailEdgeToEdge =
-                                    pendingMainTab == MAIN_PAGE_CHATS ||
-                                        pendingMainTab == MAIN_PAGE_CONTACTS
                                 val listPaneHazeState = rememberHazeState()
                                 CompositionLocalProvider(
                                     LocalPaneHazeState provides listPaneHazeState,
@@ -683,7 +685,7 @@ fun App(
                                 ) {
                                     ConversationListDetailShell(
                                         detailInPanel = false,
-                                        detailEdgeToEdge = detailEdgeToEdge,
+                                        detailEdgeToEdge = true,
                                         listPane = {
                                             MainScreen(
                                                 sharedTransitionScope = this@SharedTransitionLayout,
@@ -732,6 +734,7 @@ fun App(
                                 }
                             }
 
+                            ChatFullscreenImageHost(Modifier.fillMaxSize())
                             CallOverlay(Modifier.fillMaxSize())
                         }
                     }

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/AttachmentPreview.kt

@@ -59,7 +59,7 @@ import androidx.compose.ui.graphics.ImageBitmap
 import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.layout.onGloballyPositioned
-import androidx.compose.ui.layout.positionInRoot
+import androidx.compose.ui.layout.boundsInWindow
 import androidx.compose.ui.semantics.contentDescription
 import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.unit.IntSize
@@ -239,15 +239,8 @@ fun AttachmentPreview(
                     .then(
                         if (onImageBounds != null && showImageTile) {
                             Modifier.onGloballyPositioned { coords ->
-                                val pos = coords.positionInRoot()
-                                val size = coords.size
                                 onImageBounds(
-                                    Rect(
+                                    coords.boundsInWindow()
-                                        pos.x,
-                                        pos.y,
-                                        pos.x + size.width.toFloat(),
-                                        pos.y + size.height.toFloat()
-                                    )
                                 )
                             }
                         } else {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/ChatInput.kt

@@ -117,12 +117,12 @@ import ru.fromchat.message_placeholder
 import ru.fromchat.message_replying_to
 import ru.fromchat.suspend_chat_banner_message
 import ru.fromchat.ui.chat.utils.SelectedAttachment
-import ru.fromchat.ui.chat.utils.AttachmentDragSession
 import ru.fromchat.ui.chat.utils.TypingHandler
 import ru.fromchat.ui.chat.utils.AttachmentDropBridge
 import ru.fromchat.ui.chat.utils.GlobalAttachmentDropRouter
 import ru.fromchat.ui.chat.utils.chatAttachmentDropTarget
 import ru.fromchat.ui.chat.utils.getFilenameFromUri
+import ru.fromchat.ui.chat.utils.isDropHighlightActive
 import ru.fromchat.ui.chat.utils.rememberFilePicker
 import ru.fromchat.ui.chat.utils.rememberImagePicker
 import ru.fromchat.ui.chat.utils.urisToSelectedAttachments
@@ -327,8 +327,7 @@ fun ChatInput(
     val dropScrimColor = lerp(MaterialTheme.colorScheme.primary, Color.Black, 0.62f)
     val attachmentDropEnabled = supportsAttachments && !isReadOnly
     val dropHighlightActive =
-        attachmentDropEnabled &&
+        attachmentDropEnabled && attachmentDropBridge.isDropHighlightActive()
-            (attachmentDropBridge.dropHighlightActive || AttachmentDragSession.isActive)
     val dropAnimMs = 220
     val dropScale by animateFloatAsState(
         targetValue = if (dropHighlightActive) 0.96f else 1f,

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/ChatScreen.kt

@@ -44,6 +44,7 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.SideEffect
 import androidx.compose.runtime.collectAsState
@@ -1532,8 +1533,60 @@ fun ChatScreen(
             }
         }
 
+        val fullscreenHost = LocalChatFullscreenImageController.current
+        DisposableEffect(fullscreenHost) {
+            onDispose { fullscreenHost?.request = null }
+        }
+        val expandedImageSnapshot = expandedImage
+        SideEffect {
+            val host = fullscreenHost ?: return@SideEffect
+            val pair = expandedImageSnapshot
+            if (pair == null) {
+                if (host.request != null) host.request = null
+                return@SideEffect
+            }
+            val (msg, idx) = pair
+            host.onDismiss = {
+                isImageClosing = false
+                expandedImage = null
+            }
+            host.onClosingChange = { closing -> isImageClosing = closing }
+            host.onReply = { m ->
+                replyTo = m
+                if (editingMessage != null) {
+                    editingMessage = null
+                    inputText = ""
+                }
+                isImageClosing = false
+                expandedImage = null
+            }
+            host.onDelete = { m ->
+                scope.launch { panel.handleDeleteMessage(m.id) }
+            }
+            host.onSave = save@{ savedMsg, fileIndex ->
+                if (!isMessageImageFullyLoaded(savedMsg, fileIndex)) return@save
+                val file = savedMsg.files?.getOrNull(fileIndex) ?: return@save
+                resolveImageSourceUri(savedMsg, fileIndex)?.let { source ->
+                    saveMessageImage(
+                        SavableMessageImage(
+                            fileIndex = fileIndex,
+                            sourceUri = source,
+                            filename = file.name,
+                            mimeType = mimeTypeForImageFilename(file.name),
+                        ),
+                    )
+                }
+            }
+            val published = ChatFullscreenImageRequest(
+                message = msg,
+                fileIndex = idx,
+                currentUserId = currentUserId,
+                thumbnailBounds = imageThumbBounds[imageAttachmentKey(msg, idx)],
+            )
+            if (host.request != published) host.request = published
+        }
+        if (fullscreenHost == null) {
             expandedImage?.let { (msg, idx) ->
-            val key = imageAttachmentKey(msg, idx)
                 ImageFullscreenPreview(
                     message = msg,
                     fileIndex = idx,
@@ -1557,10 +1610,12 @@ fun ChatScreen(
                             panel.handleDeleteMessage(m.id)
                         }
                     },
-                onSave = { msg, fileIndex ->
+                    onSave = { savedMsg, fileIndex ->
-                    if (!isMessageImageFullyLoaded(msg, fileIndex)) return@ImageFullscreenPreview
+                        if (!isMessageImageFullyLoaded(savedMsg, fileIndex)) {
-                    val file = msg.files?.getOrNull(fileIndex) ?: return@ImageFullscreenPreview
+                            return@ImageFullscreenPreview
-                    resolveImageSourceUri(msg, fileIndex)?.let { source ->
+                        }
+                        val file = savedMsg.files?.getOrNull(fileIndex) ?: return@ImageFullscreenPreview
+                        resolveImageSourceUri(savedMsg, fileIndex)?.let { source ->
                             saveMessageImage(
                                 SavableMessageImage(
                                     fileIndex = fileIndex,
@@ -1575,11 +1630,11 @@ fun ChatScreen(
                     animatedVisibilityScope = null,
                     sharedImageKey = null,
                     modifier = Modifier.fillMaxSize(),
-                thumbnailBounds = imageThumbBounds[key]
+                    thumbnailBounds = imageThumbBounds[imageAttachmentKey(msg, idx)],
                 )
             }
         }
-
+    }
 }
 
 @Composable

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/ImageFullscreenPreview.kt

@@ -45,6 +45,7 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
+import androidx.compose.runtime.staticCompositionLocalOf
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -101,6 +102,46 @@ private data class InitialTransform(
     val bgAlpha: Float
 )
 
+class ChatFullscreenImageController {
+    var request by mutableStateOf<ChatFullscreenImageRequest?>(null)
+    var onDismiss: () -> Unit = {}
+    var onClosingChange: (Boolean) -> Unit = {}
+    var onReply: (Message) -> Unit = {}
+    var onDelete: (Message) -> Unit = {}
+    var onSave: (Message, Int) -> Unit = { _, _ -> }
+}
+
+data class ChatFullscreenImageRequest(
+    val message: Message,
+    val fileIndex: Int,
+    val currentUserId: Int?,
+    val thumbnailBounds: Rect?,
+)
+
+val LocalChatFullscreenImageController =
+    staticCompositionLocalOf<ChatFullscreenImageController?> { null }
+
+@Composable
+fun ChatFullscreenImageHost(modifier: Modifier = Modifier) {
+    val controller = LocalChatFullscreenImageController.current ?: return
+    val request = controller.request ?: return
+    ImageFullscreenPreview(
+        message = request.message,
+        fileIndex = request.fileIndex,
+        currentUserId = request.currentUserId,
+        onDismiss = controller.onDismiss,
+        onClosingChange = controller.onClosingChange,
+        onReply = controller.onReply,
+        onDelete = controller.onDelete,
+        onSave = controller.onSave,
+        sharedTransitionScope = null,
+        animatedVisibilityScope = null,
+        sharedImageKey = null,
+        modifier = modifier.fillMaxSize(),
+        thumbnailBounds = request.thumbnailBounds,
+    )
+}
+
 @Composable
 fun ImageFullscreenPreview(
     message: Message,

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/MessageContextMenu.kt

@@ -17,8 +17,10 @@ import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.requiredWidth
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.layout.wrapContentWidth
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
@@ -36,6 +38,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
@@ -75,6 +78,7 @@ import ru.fromchat.ui.components.Text
 internal expect fun MessageContextMenuPopup(
     onDismissRequest: () -> Unit,
     positionProvider: PopupPositionProvider,
+    reserveOvershoot: Boolean = false,
     content: @Composable () -> Unit,
 )
 
@@ -164,12 +168,15 @@ fun MessageContextMenu(
     }
     val animationProgress = remember { mutableFloatStateOf(0f) }
     var enterLaidOut by remember(state.message) { mutableStateOf(false) }
+    var reserveOvershoot by remember(state.message) { mutableStateOf(true) }
     var frozenOrigin by remember(state.message) {
         mutableStateOf(TransformOrigin(0f, 0f))
     }
+    var lockedMenuWidthPx by remember(state.message) { mutableIntStateOf(0) }
 
     LaunchedEffect(state.isOpen) {
         if (!state.isOpen) {
+            reserveOvershoot = true
             animate(
                 initialValue = animationProgress.floatValue,
                 targetValue = 0f,
@@ -188,9 +195,11 @@ fun MessageContextMenu(
             shouldShowPopup = true
             if (!enterLaidOut) {
                 animationProgress.floatValue = 0f
+                reserveOvershoot = true
                 return@LaunchedEffect
             }
             animationProgress.floatValue = 0f
+            reserveOvershoot = true
             animate(
                 initialValue = 0f,
                 targetValue = 1f,
@@ -198,6 +207,7 @@ fun MessageContextMenu(
             ) { value, _ ->
                 animationProgress.floatValue = value
             }
+            reserveOvershoot = false
         }
     }
 
@@ -239,10 +249,11 @@ fun MessageContextMenu(
         // [state.position] is window coordinates (see MessageItem localToWindow).
         // Alignment+offset would add the popup parent’s window origin again (double offset
         // in list–detail panes). Place with an absolute provider instead.
-        // Desktop uses a real OS window so the menu can sit outside the app frame.
+        // Desktop hosts this in a transparent OS window so the menu can leave the app frame.
         MessageContextMenuPopup(
             onDismissRequest = onDismiss,
             positionProvider = positionProvider,
+            reserveOvershoot = reserveOvershoot,
         ) {
             ContextMenuContent(
                 message = state.message,
@@ -276,7 +287,18 @@ fun MessageContextMenu(
                     onRetrySend(it)
                     onDismiss()
                 },
-                modifier = modifier.onSizeChanged { size ->
+                modifier = modifier
+                    .then(
+                        if (lockedMenuWidthPx > 0) {
+                            Modifier.requiredWidth(with(density) { lockedMenuWidthPx.toDp() })
+                        } else {
+                            Modifier
+                        },
+                    )
+                    .onSizeChanged { size ->
+                        if (size.width > 0 && size.width > lockedMenuWidthPx) {
+                            lockedMenuWidthPx = size.width
+                        }
                         if (size.width <= 0 || size.height <= 0 || enterLaidOut) return@onSizeChanged
                         val adjusted = clampContextMenuOffset(
                             position = state.position,
@@ -437,6 +459,7 @@ internal fun ChatStyleContextMenuFrame(
     // invalidation does not rebuild the elevated layer (avoids first-hover blink).
     Box(
         modifier = modifier
+            .wrapContentWidth(unbounded = true)
             .width(IntrinsicSize.Max)
             .graphicsLayer {
                 if (animated) {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/utils/AttachmentDragDrop.kt

@@ -14,10 +14,10 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Stable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.composed
@@ -26,10 +26,14 @@ import androidx.compose.ui.draganddrop.DragAndDropTarget
 import androidx.compose.ui.draw.BlurredEdgeTreatment
 import androidx.compose.ui.draw.blur
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.geometry.Rect
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.Shape
 import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.graphics.lerp
+import androidx.compose.ui.layout.boundsInWindow
+import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import kotlin.time.Clock
@@ -43,9 +47,73 @@ import com.pr0gramm3r101.utils.conditional
 /** True while a file drag that this process accepted is still in progress. */
 object AttachmentDragSession {
     var isActive by mutableStateOf(false)
-        internal set
+        private set
+
+    internal fun begin() {
+        isActive = true
+    }
+
+    /** Clears drag-session UI. Safe to call from any drop / end path. */
+    fun end() {
+        isActive = false
+        AttachmentDropHighlight.clear()
+    }
 }
 
+/**
+ * Exactly one drop target may show the blur/scrim at a time. Hover is resolved by
+ * hit-testing registered window bounds against the current pointer so nested AWT
+ * targets cannot leave a stale row blurred.
+ */
+object AttachmentDropHighlight {
+    var activeBridge by mutableStateOf<AttachmentDropBridge?>(null)
+        private set
+
+    private val boundsByBridge = mutableMapOf<AttachmentDropBridge, Rect>()
+
+    fun register(bridge: AttachmentDropBridge, bounds: Rect) {
+        boundsByBridge[bridge] = bounds
+    }
+
+    fun unregister(bridge: AttachmentDropBridge) {
+        boundsByBridge.remove(bridge)
+        if (activeBridge === bridge) activeBridge = null
+    }
+
+    fun syncFromPointer(windowPoint: Offset) {
+        activeBridge = hitTest(windowPoint)
+    }
+
+    fun clear() {
+        activeBridge = null
+    }
+
+    /** Delivers to the currently hovered target. Returns true if handled. */
+    fun deliverToOwner(uris: List<String>): Boolean {
+        if (uris.isEmpty()) return false
+        val bridge = activeBridge ?: return false
+        val consumer = bridge.consumer ?: return false
+        consumer(uris)
+        return true
+    }
+
+    private fun hitTest(windowPoint: Offset): AttachmentDropBridge? {
+        var best: AttachmentDropBridge? = null
+        var bestArea = Float.POSITIVE_INFINITY
+        boundsByBridge.forEach { (bridge, bounds) ->
+            if (!bounds.contains(windowPoint)) return@forEach
+            val area = bounds.width * bounds.height
+            if (area > 0f && area < bestArea) {
+                bestArea = area
+                best = bridge
+            }
+        }
+        return best
+    }
+}
+
+expect fun dragPointerInWindow(event: DragAndDropEvent): Offset?
+
 /**
  * Delivers drops from the always-mounted app-root target to the visible chat composer.
  * Needed when a chat opens after drag start (Compose targets miss ACTION_DRAG_STARTED).
@@ -90,33 +158,19 @@ object PendingChatAttachmentDrops {
 class AttachmentDropBridge {
     internal var consumer: ((List<String>) -> Unit)? = null
 
-    private var dropHighlightDepth by mutableIntStateOf(0)
-    var dropHighlightActive by mutableStateOf(false)
-        private set
-
     fun deliver(uris: List<String>) {
         if (uris.isNotEmpty()) consumer?.invoke(uris)
     }
-
-    internal fun enterDropHighlight() {
-        dropHighlightDepth++
-        dropHighlightActive = dropHighlightDepth > 0
-    }
-
-    internal fun exitDropHighlight() {
-        if (dropHighlightDepth > 0) dropHighlightDepth--
-        dropHighlightActive = dropHighlightDepth > 0
-    }
-
-    internal fun endDropHighlight() {
-        dropHighlightDepth = 0
-        dropHighlightActive = false
-    }
 }
 
 @Composable
 fun rememberAttachmentDropBridge(): AttachmentDropBridge = remember { AttachmentDropBridge() }
 
+/** Whether [bridge] currently owns the exclusive drop highlight. */
+@Composable
+fun AttachmentDropBridge.isDropHighlightActive(): Boolean =
+    AttachmentDropHighlight.activeBridge === this
+
 fun urisToSelectedAttachments(
     uris: List<String>,
     existingAttachmentCount: Int,
@@ -145,6 +199,23 @@ expect fun handleAttachmentDrop(
     onUris: (List<String>) -> Unit,
 ): Boolean
 
+private fun syncDropHighlight(event: DragAndDropEvent) {
+    val point = dragPointerInWindow(event) ?: return
+    AttachmentDropHighlight.syncFromPointer(point)
+}
+
+private fun dispatchDropUris(
+    bridge: AttachmentDropBridge?,
+    uris: List<String>,
+) {
+    if (AttachmentDropHighlight.deliverToOwner(uris)) return
+    if (bridge != null) {
+        bridge.deliver(uris)
+    } else {
+        GlobalAttachmentDropRouter.deliver(uris)
+    }
+}
+
 @OptIn(ExperimentalFoundationApi::class)
 fun Modifier.chatAttachmentDropTarget(
     enabled: Boolean,
@@ -152,33 +223,45 @@ fun Modifier.chatAttachmentDropTarget(
 ): Modifier = composed {
     if (!enabled) return@composed Modifier
     val permissionsHost = rememberAttachmentDropPermissionsHost()
+    DisposableEffect(bridge) {
+        onDispose { AttachmentDropHighlight.unregister(bridge) }
+    }
     val target = remember(bridge, permissionsHost) {
         object : DragAndDropTarget {
             override fun onStarted(event: DragAndDropEvent) {
-                AttachmentDragSession.isActive = true
+                AttachmentDragSession.begin()
+                syncDropHighlight(event)
             }
 
             override fun onEntered(event: DragAndDropEvent) {
-                bridge.enterDropHighlight()
+                syncDropHighlight(event)
+            }
+
+            override fun onMoved(event: DragAndDropEvent) {
+                syncDropHighlight(event)
             }
 
             override fun onExited(event: DragAndDropEvent) {
-                bridge.exitDropHighlight()
+                syncDropHighlight(event)
             }
 
             override fun onEnded(event: DragAndDropEvent) {
-                bridge.endDropHighlight()
+                AttachmentDragSession.end()
-                AttachmentDragSession.isActive = false
             }
 
             override fun onDrop(event: DragAndDropEvent): Boolean {
-                bridge.endDropHighlight()
+                syncDropHighlight(event)
-                AttachmentDragSession.isActive = false
+                val accepted = handleAttachmentDrop(permissionsHost, event) { uris ->
-                return handleAttachmentDrop(permissionsHost, event) { bridge.deliver(it) }
+                    dispatchDropUris(bridge, uris)
+                }
+                AttachmentDragSession.end()
+                return accepted
             }
         }
     }
-    dragAndDropTarget(
+    onGloballyPositioned { coords ->
+        AttachmentDropHighlight.register(bridge, coords.boundsInWindow())
+    }.dragAndDropTarget(
         shouldStartDragAndDrop = { acceptsAttachmentDrop(it) },
         target = target,
     )
@@ -194,18 +277,33 @@ fun Modifier.appRootAttachmentDropTarget(): Modifier = composed {
     val target = remember(permissionsHost) {
         object : DragAndDropTarget {
             override fun onStarted(event: DragAndDropEvent) {
-                AttachmentDragSession.isActive = true
+                AttachmentDragSession.begin()
+                syncDropHighlight(event)
+            }
+
+            override fun onMoved(event: DragAndDropEvent) {
+                syncDropHighlight(event)
+            }
+
+            override fun onEntered(event: DragAndDropEvent) {
+                syncDropHighlight(event)
+            }
+
+            override fun onExited(event: DragAndDropEvent) {
+                syncDropHighlight(event)
             }
 
             override fun onEnded(event: DragAndDropEvent) {
-                AttachmentDragSession.isActive = false
+                AttachmentDragSession.end()
             }
 
             override fun onDrop(event: DragAndDropEvent): Boolean {
-                AttachmentDragSession.isActive = false
+                syncDropHighlight(event)
-                return handleAttachmentDrop(permissionsHost, event) {
+                val accepted = handleAttachmentDrop(permissionsHost, event) { uris ->
-                    GlobalAttachmentDropRouter.deliver(it)
+                    dispatchDropUris(bridge = null, uris = uris)
                 }
+                AttachmentDragSession.end()
+                return accepted
             }
         }
     }

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/DesktopDetailNavHosts.kt

@@ -9,20 +9,18 @@ import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
 import androidx.compose.animation.scaleIn
 import androidx.compose.animation.scaleOut
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import ru.fromchat.ui.LocalNavController
-import ru.fromchat.ui.components.AppPanel
 
 private val detailNavTween = tween<Float>(durationMillis = 250, easing = FastOutSlowInEasing)
 
@@ -82,9 +80,8 @@ fun DesktopChatsDetailNavHost(
  * Independent Settings-tab detail [NavHost] for desktop list–detail
  * (settings screens, own profile, and edit profile on the same stack).
  *
- * [AppPanel] is drawn only behind non-empty destinations so the empty root stays
+ * Settings detail is edge-to-edge on the pane background; empty root stays
- * bare (no surface fill), matching the prior AnimatedContent empty vs panel split.
+ * unpainted so the list–detail shell shows through.
- * Panel is a sibling under the [NavHost] so the host is not remounted empty ↔ content.
  */
 @Composable
 fun DesktopSettingsDetailNavHost(
@@ -101,13 +98,11 @@ fun DesktopSettingsDetailNavHost(
 
     Box(modifier.fillMaxSize()) {
         if (showPanel) {
-            // Match Profile / ConversationListDetailShell (`background`), not the
+            Box(
-            // default AppPanel `surfaceContainerLowest` (visible mismatch in two-pane).
+                Modifier
-            AppPanel(
+                    .fillMaxSize()
-                Modifier.fillMaxSize(),
+                    .background(MaterialTheme.colorScheme.background),
-                color = MaterialTheme.colorScheme.background,
+            )
-                shape = RoundedCornerShape(24.dp),
-            ) {}
         }
         CompositionLocalProvider(LocalNavController provides navController) {
             NavHost(

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/MainScreen.kt

@@ -1,7 +1,10 @@
 package ru.fromchat.ui.main
 
+import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.AnimatedVisibilityScope
 import androidx.compose.animation.SharedTransitionScope
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.BoxWithConstraints
@@ -68,12 +71,15 @@ import ru.fromchat.profile
 import ru.fromchat.settings
 import ru.fromchat.ui.LocalNavController
 import ru.fromchat.ui.chat.rememberChatSurfaceContainerHazeStyle
+import ru.fromchat.ui.chat.panels.dm.navigateToDmChat
+import ru.fromchat.ui.components.BackHandler
 import ru.fromchat.ui.components.FromChatSnackbarHost
 import ru.fromchat.ui.components.LocalPaneHazeState
 import ru.fromchat.ui.components.Text
 import ru.fromchat.ui.extraStatusBars
 import ru.fromchat.ui.main.chats.ChatContextMenuOverlayController
 import ru.fromchat.ui.main.chats.ChatContextMenuOverlayHost
+import ru.fromchat.ui.main.chats.ChatsSearchScreen
 import ru.fromchat.ui.main.chats.ChatsTab
 import ru.fromchat.ui.main.settings.SettingsTab
 import ru.fromchat.ui.profile.ProfileScreen
@@ -175,6 +181,17 @@ fun MainScreen(
     val contextMenuHazeState = paneHazeState ?: rememberHazeState()
     val chatContextMenuOverlay = remember { ChatContextMenuOverlayController() }
     var chatListSelectionRequestId by remember { mutableStateOf(0L) }
+    var paneSearchOpen by remember { mutableStateOf(false) }
+
+    fun openConversationSearch() {
+        if (embeddedInListDetail) {
+            paneSearchOpen = true
+        } else {
+            navController.navigate("search/conversations") {
+                launchSingleTop = true
+            }
+        }
+    }
 
     val widthClass = currentWindowAdaptiveInfo().widthSizeClass
 
@@ -193,11 +210,12 @@ fun MainScreen(
                     if (pagerState.currentPage != PAGE_CHATS) {
                         pagerState.scrollToPage(PAGE_CHATS)
                     }
-                    navController.navigate("search/conversations") {
+                    openConversationSearch()
-                        launchSingleTop = true
-                    }
                 }
                 DesktopMenuCommand.EnterChatListSelection -> {
+                    if (paneSearchOpen) {
+                        paneSearchOpen = false
+                    }
                     if (navController.currentBackStackEntry?.destination?.route ==
                         "search/conversations"
                     ) {
@@ -282,9 +300,7 @@ fun MainScreen(
                             when (page) {
                                 PAGE_CHATS -> ChatsTab(
                                     isVisible = isChatsPage,
-                                    onOpenSearch = {
+                                    onOpenSearch = { openConversationSearch() },
-                                        navController.navigate("search/conversations")
-                                    },
                                     chatContextMenuOverlay = chatContextMenuOverlay,
                                     sharedTransitionScope = sharedTransitionScope,
                                     animatedVisibilityScope = animatedVisibilityScope,
@@ -429,6 +445,35 @@ fun MainScreen(
                 .fillMaxSize()
                 .zIndex(3f),
         )
+
+        if (embeddedInListDetail) {
+            BackHandler(paneSearchOpen) { paneSearchOpen = false }
+            AnimatedVisibility(
+                visible = paneSearchOpen,
+                enter = fadeIn(),
+                exit = fadeOut(),
+                modifier = Modifier
+                    .fillMaxSize()
+                    .zIndex(4f),
+            ) {
+                val chatsNav = LocalDesktopChatsNavController.current ?: navController
+                ChatsSearchScreen(
+                    onBack = { paneSearchOpen = false },
+                    sharedTransitionScope = sharedTransitionScope,
+                    animatedVisibilityScope = this,
+                    onOpenProfile = { userId: Int ->
+                        if (userId == 0) return@ChatsSearchScreen
+                        paneSearchOpen = false
+                        chatsNav.navigateReplacingMainDetail("profile/$userId")
+                    },
+                    onOpenConversation = { userId: Int ->
+                        if (userId == 0) return@ChatsSearchScreen
+                        paneSearchOpen = false
+                        chatsNav.navigateToDmChat(userId)
+                    },
+                )
+            }
+        }
     }
 }
 

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/chats/ChatListShared.kt

@@ -79,6 +79,7 @@ import androidx.compose.ui.util.fastAll
 import kotlinx.coroutines.withTimeout
 import ru.fromchat.ui.chat.utils.AttachmentDropHighlightBox
 import ru.fromchat.ui.chat.utils.chatAttachmentDropTarget
+import ru.fromchat.ui.chat.utils.isDropHighlightActive
 import ru.fromchat.ui.chat.utils.rememberAttachmentDropBridge
 import ru.fromchat.ui.components.SearchBar
 import ru.fromchat.ui.components.SearchBarSharedElement
@@ -868,7 +869,7 @@ internal fun PublicChatRow(
     }
 
     AttachmentDropHighlightBox(
-        active = dropBridge.dropHighlightActive,
+        active = dropBridge.isDropHighlightActive(),
         shape = clipShape,
         modifier = Modifier
             .fillMaxWidth()
@@ -1035,7 +1036,7 @@ internal fun DmConversationRow(
     }
 
     AttachmentDropHighlightBox(
-        active = dropBridge.dropHighlightActive,
+        active = dropBridge.isDropHighlightActive(),
         shape = clipShape,
         modifier = Modifier
             .fillMaxWidth()

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/DevicesScreen.kt

@@ -432,6 +432,7 @@ fun DevicesScreen(onBack: () -> Unit) {
         topBar = {
             val topBarHazeStyle = HazeMaterials.thin()
             TopAppBar(
+                windowInsets = settingsDetailWindowInsets(),
                 title = {},
                 navigationIcon = {
                     if (settingsDetailShowBackButton()) {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/LogFilesScreen.kt

@@ -448,6 +448,7 @@ fun LogFilesScreen(
         topBar = {
             Box {
                 TopAppBar(
+                    windowInsets = settingsDetailWindowInsets(),
                     modifier = Modifier
                         .graphicsLayer { alpha = 1f - selectionProgress }
                         .background(MaterialTheme.colorScheme.surfaceContainer),
@@ -473,6 +474,7 @@ fun LogFilesScreen(
                 )
                 if (selectionMode || selectionProgress > 0f) {
                     TopAppBar(
+                        windowInsets = settingsDetailWindowInsets(),
                         modifier = Modifier.graphicsLayer { alpha = selectionProgress },
                         navigationIcon = {
                             IconButton(

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/LogsScreen.kt

@@ -770,6 +770,7 @@ fun LogsScreen() {
         topBar = {
             Box {
                 TopAppBar(
+                    windowInsets = settingsDetailWindowInsets(),
                     modifier = Modifier
                         .graphicsLayer {
                             alpha = (1f - selectionProgress) * (1f - searchProgress)
@@ -884,6 +885,7 @@ fun LogsScreen() {
                 )
                 if (searchMode) {
                     TopAppBar(
+                        windowInsets = settingsDetailWindowInsets(),
                         modifier = Modifier.graphicsLayer { alpha = searchProgress },
                         colors = logsTransparentTopAppBarColors(),
                         navigationIcon = {
@@ -944,6 +946,7 @@ fun LogsScreen() {
                 }
                 if (selectionMode) {
                     TopAppBar(
+                        windowInsets = settingsDetailWindowInsets(),
                         modifier = Modifier.graphicsLayer { alpha = selectionProgress },
                         navigationIcon = {
                             IconButton(

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/SettingsDetailTopBar.kt

@@ -34,7 +34,6 @@ import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
 import ru.fromchat.back
 import ru.fromchat.ui.extraStatusBars
-import ru.fromchat.ui.main.LocalConversationListDetailActive
 import ru.fromchat.ui.main.detailPaneShowBackButton
 
 /** Idle gap after mouse-wheel / trackpad deltas before snapping the collapsing bar. */
@@ -44,6 +43,9 @@ private const val AppBarWheelSettleDelayMs = 64L
 @Composable
 fun settingsDetailShowBackButton(): Boolean = detailPaneShowBackButton()
 
+@Composable
+fun settingsDetailWindowInsets(): WindowInsets = WindowInsets.extraStatusBars
+
 @Composable
 fun settingsDetailUseCollapsingTopBar(): Boolean =
     currentWindowAdaptiveInfo().widthSizeClass == WindowWidthSizeClass.COMPACT
@@ -88,13 +90,7 @@ fun SettingsDetailTopBar(
     // `surfaceContainerLowest` — that token reads as a separate pane fill in
     // two-pane against the list–detail shell.
     val paneColor = MaterialTheme.colorScheme.background
-    // List–detail shell already pads/consumes extraStatusBars; full-screen settings
+    val topBarWindowInsets = settingsDetailWindowInsets()
-    // (e.g. logged-out About) need the desktop title-bar inset explicitly.
-    val topBarWindowInsets = if (LocalConversationListDetailActive.current) {
-        WindowInsets(0, 0, 0, 0)
-    } else {
-        WindowInsets.extraStatusBars
-    }
     if (settingsDetailUseCollapsingTopBar()) {
         MediumTopAppBar(
             title = title,

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/settings/server/ServerConfigScreen.kt

@@ -121,6 +121,8 @@ import ru.fromchat.ui.components.rememberLazyListFocusScrollState
 import ru.fromchat.ui.components.trackLazyListFocus
 import ru.fromchat.ui.main.settings.SettingsStepHorizontalPadding
 import ru.fromchat.ui.main.settings.settingsDetailShowBackButton
+import ru.fromchat.ui.main.settings.settingsDetailWindowInsets
+import ru.fromchat.ui.extraStatusBars
 
 private object ServerConfigLazyListIndices {
     const val SERVER_IP_FIELD = 2
@@ -339,6 +341,7 @@ fun ServerConfigScreen() {
             topBar = {
                 val topBarHazeStyle = HazeMaterials.thin()
                 TopAppBar(
+                        windowInsets = settingsDetailWindowInsets(),
                         title = {},
                         navigationIcon = {
                             if (settingsDetailShowBackButton()) {
@@ -366,7 +369,7 @@ fun ServerConfigScreen() {
                     )
             }
         ) { innerPadding ->
-            val floatingHeaderClearance = WindowInsets.statusBars.getTop(density).toDp(density) + 68.dp
+            val floatingHeaderClearance = WindowInsets.extraStatusBars.getTop(density).toDp(density) + 68.dp
             val bottomInsetPadding = innerPadding.calculateBottomPadding()
             val serverConfigListState = rememberLazyListState()
             var listViewportBounds by remember { mutableStateOf<Rect?>(null) }

app/shared/src/iosMain/kotlin/ru/fromchat/ui/chat/MessageContextMenuPopup.ios.kt

@@ -9,6 +9,7 @@ import androidx.compose.ui.window.PopupProperties
 internal actual fun MessageContextMenuPopup(
     onDismissRequest: () -> Unit,
     positionProvider: PopupPositionProvider,
+    reserveOvershoot: Boolean,
     content: @Composable () -> Unit,
 ) {
     Popup(
@@ -18,7 +19,7 @@ internal actual fun MessageContextMenuPopup(
             focusable = true,
             dismissOnBackPress = true,
             dismissOnClickOutside = true,
-            clippingEnabled = true,
+            clippingEnabled = !reserveOvershoot,
         ),
         content = content,
     )

app/shared/src/iosMain/kotlin/ru/fromchat/ui/chat/utils/AttachmentDragDrop.ios.kt

@@ -2,6 +2,7 @@ package ru.fromchat.ui.chat.utils
 
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.draganddrop.DragAndDropEvent
+import androidx.compose.ui.geometry.Offset
 
 actual class AttachmentDropPermissionsHost
 
@@ -9,6 +10,8 @@ actual class AttachmentDropPermissionsHost
 actual fun rememberAttachmentDropPermissionsHost(): AttachmentDropPermissionsHost =
     AttachmentDropPermissionsHost()
 
+actual fun dragPointerInWindow(event: DragAndDropEvent): Offset? = null
+
 actual fun acceptsAttachmentDrop(event: DragAndDropEvent): Boolean = false
 
 actual fun handleAttachmentDrop(

app/shared/src/jvmMain/kotlin/ru/fromchat/ui/Theme.jvm.kt

@@ -3,11 +3,31 @@ package ru.fromchat.ui
 import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
 import androidx.compose.ui.graphics.Color
+import java.awt.Window
+import javax.swing.RootPaneContainer
 
 @Composable
 actual fun getColorScheme(darkTheme: Boolean, dynamicColor: Boolean) =
     if (darkTheme) darkColorScheme() else lightColorScheme()
 
 @Composable
-actual fun ApplySystemBarTheme(darkTheme: Boolean, surfaceColor: Color) = Unit
+actual fun ApplySystemBarTheme(darkTheme: Boolean, surfaceColor: Color) {
+    SideEffect {
+        applyMacOsAppAppearance(darkTheme)
+    }
+}
+
+internal fun applyMacOsAppAppearance(dark: Boolean) {
+    val os = System.getProperty("os.name").orEmpty().lowercase()
+    if (!os.contains("mac")) return
+    val appearance = if (dark) "NSAppearanceNameDarkAqua" else "NSAppearanceNameAqua"
+    System.setProperty("apple.awt.application.appearance", appearance)
+    for (window in Window.getWindows()) {
+        if (window is RootPaneContainer) {
+            window.rootPane.putClientProperty("apple.awt.application.appearance", appearance)
+            window.rootPane.putClientProperty("apple.awt.windowAppearance", appearance)
+        }
+    }
+}

app/shared/src/jvmMain/kotlin/ru/fromchat/ui/chat/MessageContextMenuPopup.jvm.kt

@@ -1,30 +1,213 @@
+@file:OptIn(androidx.compose.ui.ExperimentalComposeUiApi::class)
+
 package ru.fromchat.ui.chat
 
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.wrapContentWidth
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.window.Popup
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.SideEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberUpdatedState
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.awt.LocalAwtWindow
+import androidx.compose.ui.layout.onSizeChanged
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalLayoutDirection
+import androidx.compose.ui.platform.LocalWindowInfo
+import androidx.compose.ui.unit.Density
+import androidx.compose.ui.unit.DpSize
+import androidx.compose.ui.unit.IntOffset
+import androidx.compose.ui.unit.IntRect
+import androidx.compose.ui.unit.IntSize
+import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.PopupPositionProvider
-import androidx.compose.ui.window.PopupProperties
+import androidx.compose.ui.window.Window
+import androidx.compose.ui.window.WindowPosition
+import androidx.compose.ui.window.rememberWindowState
+import java.awt.AWTEvent
+import java.awt.Point
+import java.awt.Toolkit
+import java.awt.event.AWTEventListener
+import java.awt.event.KeyEvent
+import java.awt.event.MouseEvent
+import javax.swing.RootPaneContainer
+import javax.swing.SwingUtilities
+
+/** Extra OS-window size so the LowBouncy scale can overshoot the laid-out menu. */
+private const val MenuOvershootReserve = 0.15f
 
 /**
- * Desktop uses an in-window [Popup] (not a separate OS window) so opening the menu does not
+ * Desktop message menus use a real OS [Window] so they can hang outside the main app frame.
- * steal focus from the main frame. [PopupProperties.clippingEnabled] is false so the menu can
+ * The window is not focusable so opening it does not defocus the chat. The opening right-click
- * extend past the window edge when placement allows it.
+ * is ignored until it is released; later presses outside the menu dismiss it.
  */
 @Composable
 internal actual fun MessageContextMenuPopup(
     onDismissRequest: () -> Unit,
     positionProvider: PopupPositionProvider,
+    reserveOvershoot: Boolean,
     content: @Composable () -> Unit,
 ) {
-    Popup(
+    val density = LocalDensity.current
-        onDismissRequest = onDismissRequest,
+    val layoutDirection = LocalLayoutDirection.current
-        popupPositionProvider = positionProvider,
+    val containerSize = LocalWindowInfo.current.containerSize
-        properties = PopupProperties(
+    val parentWindow = LocalAwtWindow.current
-            focusable = true,
+    val onDismiss by rememberUpdatedState(onDismissRequest)
-            dismissOnBackPress = true,
+    var menuSize by remember { mutableStateOf(IntSize.Zero) }
-            dismissOnClickOutside = true,
+
-            clippingEnabled = false,
+    val positionInWindow = remember(positionProvider, menuSize, containerSize, layoutDirection) {
-        ),
+        positionProvider.calculatePosition(
-        content = content,
+            anchorBounds = IntRect.Zero,
+            windowSize = containerSize,
+            layoutDirection = layoutDirection,
+            popupContentSize = menuSize,
+        )
+    }
+    val positionOnScreen = remember(positionInWindow, parentWindow, density) {
+        composeOffsetToScreen(parentWindow, positionInWindow, density)
+    }
+
+    val shadowPad = 12.dp
+    val overshootPad = if (reserveOvershoot && menuSize != IntSize.Zero) {
+        with(density) {
+            DpSize(
+                (menuSize.width * MenuOvershootReserve).toDp(),
+                (menuSize.height * MenuOvershootReserve).toDp(),
+            )
+        }
+    } else {
+        DpSize(0.dp, 0.dp)
+    }
+    val windowSize = if (menuSize == IntSize.Zero) {
+        // Compose Desktop cannot actualize Unspecified window sizes.
+        DpSize(360.dp, 560.dp)
+    } else {
+        with(density) {
+            DpSize(
+                menuSize.width.toDp() + shadowPad * 2 + overshootPad.width,
+                menuSize.height.toDp() + shadowPad * 2 + overshootPad.height,
+            )
+        }
+    }
+    val windowPosition = WindowPosition(
+        x = positionOnScreen.x - shadowPad,
+        y = positionOnScreen.y - shadowPad,
+    )
+
+    val windowState = rememberWindowState(
+        position = windowPosition,
+        size = windowSize,
+    )
+    SideEffect {
+        if (windowState.position != windowPosition) windowState.position = windowPosition
+        if (windowState.size != windowSize) windowState.size = windowSize
+    }
+
+    Window(
+        onCloseRequest = onDismiss,
+        state = windowState,
+        title = "",
+        undecorated = true,
+        transparent = true,
+        resizable = false,
+        alwaysOnTop = true,
+        focusable = false,
+    ) {
+        val menuWindow = window
+        DisposableEffect(menuWindow) {
+            menuWindow.isAlwaysOnTop = true
+            onDispose { }
+        }
+        DisposableEffect(menuWindow, onDismiss) {
+            val toolkit = Toolkit.getDefaultToolkit()
+            var armed = false
+            val listener = AWTEventListener { awtEvent ->
+                when (awtEvent.id) {
+                    MouseEvent.MOUSE_RELEASED -> armed = true
+                    MouseEvent.MOUSE_PRESSED -> {
+                        if (!armed) return@AWTEventListener
+                        val mouse = awtEvent as MouseEvent
+                        val sourceWindow = SwingUtilities.getWindowAncestor(mouse.component)
+                            ?: mouse.component as? java.awt.Window
+                        if (sourceWindow !== menuWindow) {
+                            onDismiss()
+                        }
+                    }
+                    KeyEvent.KEY_PRESSED -> {
+                        if ((awtEvent as KeyEvent).keyCode == KeyEvent.VK_ESCAPE) {
+                            onDismiss()
+                        }
+                    }
+                }
+            }
+            toolkit.addAWTEventListener(
+                listener,
+                AWTEvent.MOUSE_EVENT_MASK or AWTEvent.KEY_EVENT_MASK,
+            )
+            onDispose { toolkit.removeAWTEventListener(listener) }
+        }
+        Box(Modifier.fillMaxSize()) {
+            Box(
+                modifier = Modifier
+                    .align(Alignment.TopStart)
+                    .padding(shadowPad),
+            ) {
+                Box(
+                    // Unbounded width only — verticalScroll rejects infinite max height.
+                    modifier = Modifier
+                        .wrapContentWidth(unbounded = true)
+                        .onSizeChanged { size ->
+                            if (size.width <= 0 || size.height <= 0) return@onSizeChanged
+                            // Grow-only: a lagging OS resize must not stick a squeezed width
+                            // for the rest of the spring.
+                            if (
+                                menuSize == IntSize.Zero ||
+                                size.width > menuSize.width ||
+                                size.height > menuSize.height
+                            ) {
+                                menuSize = IntSize(
+                                    maxOf(menuSize.width, size.width),
+                                    maxOf(menuSize.height, size.height),
+                                )
+                            }
+                        },
+                ) {
+                    content()
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Compose Desktop [WindowPosition] maps `Dp.value` 1:1 onto AWT screen pixels. Compose
+ * [IntOffset]s from `localToWindow` are density-scaled pixels, so they must be converted
+ * with [androidx.compose.ui.unit.Density] instead of added to the AWT origin first.
+ */
+private fun composeOffsetToScreen(
+    parentWindow: java.awt.Window?,
+    offsetInWindow: IntOffset,
+    density: Density,
+): WindowPosition {
+    val origin = parentWindow?.composeLocalOriginOnScreen() ?: Point()
+    return WindowPosition(
+        x = origin.x.dp + with(density) { offsetInWindow.x.toDp() },
+        y = origin.y.dp + with(density) { offsetInWindow.y.toDp() },
     )
 }
+
+private fun java.awt.Window.composeLocalOriginOnScreen(): Point {
+    val root = (this as? RootPaneContainer)?.contentPane ?: this
+    return runCatching {
+        Point(0, 0).also { SwingUtilities.convertPointToScreen(it, root) }
+    }.getOrElse {
+        runCatching { locationOnScreen }.getOrDefault(Point())
+    }
+}

app/shared/src/jvmMain/kotlin/ru/fromchat/ui/chat/utils/AttachmentDragDrop.jvm.kt

@@ -4,7 +4,11 @@ package ru.fromchat.ui.chat.utils
 
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.draganddrop.DragAndDropEvent
+import androidx.compose.ui.draganddrop.DragData
 import androidx.compose.ui.draganddrop.awtTransferable
+import androidx.compose.ui.draganddrop.dragData
+import androidx.compose.ui.geometry.Offset
+import java.awt.MouseInfo
 import java.awt.datatransfer.DataFlavor
 import java.io.File
 import java.net.URI
@@ -15,15 +19,33 @@ actual class AttachmentDropPermissionsHost
 actual fun rememberAttachmentDropPermissionsHost(): AttachmentDropPermissionsHost =
     AttachmentDropPermissionsHost()
 
+actual fun dragPointerInWindow(event: DragAndDropEvent): Offset? {
+    val pointer = MouseInfo.getPointerInfo()?.location ?: return null
+    val window = java.awt.KeyboardFocusManager.getCurrentKeyboardFocusManager().activeWindow
+        ?: java.awt.Window.getWindows().firstOrNull { it.isShowing }
+        ?: return null
+    val origin = runCatching { window.locationOnScreen }.getOrNull() ?: return null
+    return Offset((pointer.x - origin.x).toFloat(), (pointer.y - origin.y).toFloat())
+}
+
 actual fun acceptsAttachmentDrop(event: DragAndDropEvent): Boolean {
+    return runCatching {
+        when (val data = event.dragData()) {
+            is DragData.FilesList -> true
+            is DragData.Image -> true
+            else -> {
                 val transferable = event.awtTransferable
-    if (transferable.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) return true
+                transferable.isDataFlavorSupported(DataFlavor.javaFileListFlavor) ||
-    return transferable.transferDataFlavors.any { flavor ->
+                    transferable.transferDataFlavors.any { flavor ->
                         val mime = flavor.mimeType.orEmpty()
                         mime.startsWith("image/") ||
+                            mime == "text/uri-list" ||
                             mime == "application/octet-stream" ||
                             flavor == DataFlavor.stringFlavor
                     }
+            }
+        }
+    }.getOrDefault(false)
 }
 
 actual fun handleAttachmentDrop(
@@ -31,33 +53,83 @@ actual fun handleAttachmentDrop(
     event: DragAndDropEvent,
     onUris: (List<String>) -> Unit,
 ): Boolean {
-    val uris = extractAttachmentDropUris(event)
+    val uris = runCatching { extractAttachmentDropUris(event) }.getOrDefault(emptyList())
     if (uris.isEmpty()) return false
     onUris(uris)
     return true
 }
 
 private fun extractAttachmentDropUris(event: DragAndDropEvent): List<String> {
+    // Prefer Compose's AWT helper — returns file:// URIs for javaFileListFlavor.
+    when (val data = event.dragData()) {
+        is DragData.FilesList -> {
+            val paths = data.readFiles().mapNotNull { uriStringToLocalPath(it) }.distinct()
+            if (paths.isNotEmpty()) return paths
+        }
+        else -> Unit
+    }
+
     val transferable = event.awtTransferable
     if (transferable.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
-        val files = transferable.getTransferData(DataFlavor.javaFileListFlavor) as? List<*>
+        val raw = transferable.getTransferData(DataFlavor.javaFileListFlavor)
-        return files.orEmpty().mapNotNull { entry ->
+        val files = when (raw) {
-            (entry as? File)?.absolutePath?.takeIf { it.isNotBlank() }
+            is List<*> -> raw
-        }.distinct()
+            is Array<*> -> raw.toList()
+            else -> emptyList()
         }
+        val paths = files.mapNotNull { entry ->
+            when (entry) {
+                is File -> entry.absolutePath.takeIf { it.isNotBlank() }
+                is String -> uriStringToLocalPath(entry)
+                else -> null
+            }
+        }.distinct()
+        if (paths.isNotEmpty()) return paths
+    }
+
+    val uriListFlavor = runCatching {
+        DataFlavor("text/uri-list;class=java.lang.String")
+    }.getOrNull()
+    if (uriListFlavor != null && transferable.isDataFlavorSupported(uriListFlavor)) {
+        val text = (transferable.getTransferData(uriListFlavor) as? String).orEmpty()
+        val paths = text.lineSequence()
+            .map { it.trim() }
+            .filter { it.isNotEmpty() && !it.startsWith("#") }
+            .mapNotNull { uriStringToLocalPath(it) }
+            .distinct()
+            .toList()
+        if (paths.isNotEmpty()) return paths
+    }
+
     if (transferable.isDataFlavorSupported(DataFlavor.stringFlavor)) {
         val text = (transferable.getTransferData(DataFlavor.stringFlavor) as? String)?.trim().orEmpty()
-        if (text.startsWith("file:")) {
+        if (text.isNotEmpty()) {
-            val path = runCatching { URI(text).path }.getOrNull()?.takeIf { it.isNotBlank() }
+            val fromLines = text.lineSequence()
-                ?: text.removePrefix("file://")
+                .map { it.trim() }
-            return listOf(path)
+                .filter { it.isNotEmpty() }
-        }
+                .mapNotNull { uriStringToLocalPath(it) }
-        if (text.startsWith("/") || looksLikeWindowsPath(text)) {
+                .distinct()
-            return listOf(text)
+                .toList()
+            if (fromLines.isNotEmpty()) return fromLines
+            uriStringToLocalPath(text)?.let { return listOf(it) }
         }
     }
     return emptyList()
 }
 
+/** Accepts `file://` URIs, plain absolute paths, and Windows paths; returns a local filesystem path. */
+private fun uriStringToLocalPath(text: String): String? {
+    val trimmed = text.trim().takeIf { it.isNotBlank() } ?: return null
+    if (trimmed.startsWith("file:")) {
+        val path = runCatching { URI(trimmed).path }.getOrNull()?.takeIf { it.isNotBlank() }
+            ?: trimmed.removePrefix("file://")
+        return path.takeIf { File(it).isFile || File(it).exists() } ?: path.takeIf { it.isNotBlank() }
+    }
+    if (trimmed.startsWith("/") || looksLikeWindowsPath(trimmed)) {
+        return trimmed
+    }
+    return null
+}
+
 private fun looksLikeWindowsPath(text: String): Boolean =
     text.length > 2 && text[0].isLetter() && text[1] == ':'

app/shared/src/jvmMain/kotlin/ru/fromchat/ui/chat/utils/AttachmentPickers.jvm.kt

@@ -2,14 +2,18 @@ package ru.fromchat.ui.chat.utils
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
+import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.awt.LocalAwtWindow
 import java.awt.FileDialog
 import java.awt.Frame
+import java.awt.Window
 import java.io.File
 import java.net.URI
 import javax.imageio.ImageIO
-import javax.swing.JFileChooser
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
+import ru.fromchat.ui.applyMacOsAppAppearance
+import ru.fromchat.ui.isAppInDarkTheme
 
 actual fun getFilenameFromUri(uri: String): String {
     val path = when {
@@ -19,41 +23,66 @@ actual fun getFilenameFromUri(uri: String): String {
     return path.substringAfterLast('/').takeIf { it.isNotBlank() } ?: "file"
 }
 
+@OptIn(ExperimentalComposeUiApi::class)
 @Composable
 actual fun rememberImagePicker(onResult: (List<String>) -> Unit): () -> Unit {
-    return remember(onResult) {
+    val owner = LocalAwtWindow.current
+    val dark = isAppInDarkTheme()
+    return remember(onResult, owner, dark) {
         {
-            val dialog = FileDialog(null as Frame?, "Select images", FileDialog.LOAD).apply {
+            showNativeFilePicker(
+                owner = owner,
+                dark = dark,
+                imagesOnly = true,
+                onResult = onResult,
+            )
+        }
+    }
+}
+
+@OptIn(ExperimentalComposeUiApi::class)
+@Composable
+actual fun rememberFilePicker(onResult: (List<String>) -> Unit): () -> Unit {
+    val owner = LocalAwtWindow.current
+    val dark = isAppInDarkTheme()
+    return remember(onResult, owner, dark) {
+        {
+            showNativeFilePicker(
+                owner = owner,
+                dark = dark,
+                imagesOnly = false,
+                onResult = onResult,
+            )
+        }
+    }
+}
+
+private fun showNativeFilePicker(
+    owner: Window?,
+    dark: Boolean,
+    imagesOnly: Boolean,
+    onResult: (List<String>) -> Unit,
+) {
+    applyMacOsAppAppearance(dark)
+    val dialog = when (owner) {
+        is Frame -> FileDialog(owner, if (imagesOnly) "Select images" else "Select files", FileDialog.LOAD)
+        else -> FileDialog(null as Frame?, if (imagesOnly) "Select images" else "Select files", FileDialog.LOAD)
+    }.apply {
         isMultipleMode = true
+        if (imagesOnly) {
             setFilenameFilter { _, name ->
                 val lower = name.lowercase()
                 lower.endsWith(".png") || lower.endsWith(".jpg") || lower.endsWith(".jpeg") ||
                     lower.endsWith(".gif") || lower.endsWith(".webp") || lower.endsWith(".bmp")
             }
         }
+    }
     dialog.isVisible = true
     val dir = dialog.directory
     val files = dialog.files
     if (dir != null && files != null && files.isNotEmpty()) {
         onResult(files.map { File(dir, it.name).absolutePath })
     }
-        }
-    }
-}
-
-@Composable
-actual fun rememberFilePicker(onResult: (List<String>) -> Unit): () -> Unit {
-    return remember(onResult) {
-        {
-            val chooser = JFileChooser().apply {
-                isMultiSelectionEnabled = true
-                fileSelectionMode = JFileChooser.FILES_ONLY
-            }
-            if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
-                onResult(chooser.selectedFiles.map { it.absolutePath })
-            }
-        }
-    }
 }
 
 actual suspend fun getImageAspectRatio(uri: String): Float? {