position copy button

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatView.kt

@@ -148,6 +148,7 @@ fun ChatView(
     val showCommandsMenu = rememberSaveable { mutableStateOf(false) }
     val contentFilter = rememberSaveable { mutableStateOf<ContentFilter?>(null) }
     val availableContent = remember { mutableStateOf<List<ContentFilter>>(ContentFilter.initialList) }
+    val selectionManager = if (appPlatform.isDesktop) remember { SelectionManager() } else null
 
     if (appPlatform.isAndroid) {
       DisposableEffect(Unit) {
@@ -178,6 +179,7 @@ fun ChatView(
             contentFilter.value = null
             availableContent.value = ContentFilter.initialList
             selectedChatItems.value = null
+            selectionManager?.clearSelection()
             val cInfo = activeChat.value?.chatInfo
             if (chatsCtx.secondaryContextFilter == null && (cInfo is ChatInfo.Direct || cInfo is ChatInfo.Group || cInfo is ChatInfo.Local)) {
               updateAvailableContent(chatRh, activeChat, availableContent)
@@ -227,6 +229,7 @@ fun ChatView(
     val clipboard = LocalClipboardManager.current
     CompositionLocalProvider(
       LocalAppBarHandler provides rememberAppBarHandler(chatInfo.id, keyboardCoversBar = false),
+      LocalSelectionManager provides selectionManager,
     ) {
     when (chatInfo) {
       is ChatInfo.Direct, is ChatInfo.Group, is ChatInfo.Local -> {
@@ -962,7 +965,7 @@ fun ChatLayout(
         val composeViewFocusRequester = remember { if (appPlatform.isDesktop) FocusRequester() else null }
         AdaptingBottomPaddingLayout(Modifier, CHAT_COMPOSE_LAYOUT_ID, composeViewHeight) {
           if (chat != null) {
-            val selectionManager = if (appPlatform.isDesktop) remember { SelectionManager() } else null
+            val selectionManager = LocalSelectionManager.current
             if (selectionManager != null) {
               LaunchedEffect(selectionManager) {
                 snapshotFlow { selectionManager.selectionState != SelectionState.Idle }
@@ -972,7 +975,6 @@ fun ChatLayout(
             Box(Modifier.fillMaxSize(), contentAlignment = Alignment.BottomCenter) {
               // disables scrolling to top of chat item on click inside the bubble
               CompositionLocalProvider(
-                LocalSelectionManager provides selectionManager,
                 LocalBringIntoViewSpec provides object : BringIntoViewSpec {
                   override fun calculateScrollDistance(offset: Float, size: Float, containerSize: Float): Float = 0f
                 }
@@ -1132,6 +1134,16 @@ fun ChatLayout(
             }
           }
         }
+        // Desktop selection copy button — last child of outer Box, on top of everything
+        if (appPlatform.isDesktop) {
+          val manager = LocalSelectionManager.current
+          if (manager != null && manager.selectionState == SelectionState.Selected && manager.onCopySelection != null) {
+            SelectionCopyButton(
+              modifier = Modifier.align(Alignment.BottomCenter).padding(bottom = composeViewHeight.value + 8.dp),
+              onCopy = { manager.onCopySelection?.invoke() }
+            )
+          }
+        }
       }
     }
   }

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/TextSelection.kt

@@ -64,6 +64,7 @@ class SelectionManager {
         private set
     var focusWindowY by mutableStateOf(0f)
     var focusWindowX by mutableStateOf(0f)
+    var onCopySelection: (() -> Unit)? = null
 
     fun startSelection(startIndex: Int, anchorY: Float, anchorX: Float) {
         range = SelectionRange(startIndex, -1, startIndex, -1)
@@ -168,13 +169,8 @@ fun BoxScope.SelectionHandler(
             }
     }
 
-    // Copy button
-    if (manager.selectionState == SelectionState.Selected) {
-        SelectionCopyButton(
-            onCopy = {
-                clipboard.setText(AnnotatedString(manager.getSelectedText(mergedItems.value.items, linkMode)))
-            }
-        )
+    manager.onCopySelection = {
+        clipboard.setText(AnnotatedString(manager.getSelectedText(mergedItems.value.items, linkMode)))
     }
 
     return Modifier
@@ -186,7 +182,7 @@ fun BoxScope.SelectionHandler(
                 && event.key == Key.C
                 && event.type == KeyEventType.KeyDown
             ) {
-                clipboard.setText(AnnotatedString(manager.getSelectedText(mergedItems.value.items, linkMode)))
+                manager.onCopySelection?.invoke()
                 true
             } else false
         }
@@ -298,11 +294,9 @@ private fun resolveIndexAtY(listState: LazyListState, localY: Float): Int? {
 }
 
 @Composable
-private fun BoxScope.SelectionCopyButton(onCopy: () -> Unit) {
+fun SelectionCopyButton(modifier: Modifier = Modifier, onCopy: () -> Unit) {
     Row(
-        Modifier
-            .align(Alignment.BottomCenter)
-            .padding(bottom = 8.dp)
+        modifier
             .background(MaterialTheme.colors.surface, RoundedCornerShape(20.dp))
             .border(1.dp, MaterialTheme.colors.onSurface.copy(alpha = 0.12f), RoundedCornerShape(20.dp))
             .clickable { onCopy() }