refactor 2

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

@@ -14,7 +14,6 @@ import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.*
 import androidx.compose.ui.draw.*
 import androidx.compose.ui.focus.FocusRequester
-import androidx.compose.ui.geometry.Rect
 import androidx.compose.ui.graphics.*
 import androidx.compose.ui.graphics.layer.GraphicsLayer
 import androidx.compose.ui.layout.layoutId
@@ -1137,19 +1136,7 @@ fun ChatLayout(
         }
         // Desktop selection copy button — last child of outer Box, on top of everything
         if (appPlatform.isDesktop) {
-          val manager = LocalSelectionManager.current
-          val range = manager?.range
-          if (manager != null && manager.selectionState == SelectionState.Selected && range != null && manager.focusCharRect != Rect.Zero) {
-            val draggingDown = range.startIndex > range.endIndex || (range.startIndex == range.endIndex && range.startOffset < range.endOffset)
-            val gap = with(LocalDensity.current) { 4.dp.toPx() }
-            var buttonSize by remember { mutableStateOf(IntSize.Zero) }
-            SelectionCopyButton(
-              modifier = Modifier
-                .offset { manager.copyButtonOffset(draggingDown, gap, buttonSize) }
-                .onSizeChanged { buttonSize = it },
-              onCopy = { manager.onCopySelection?.invoke() }
-            )
-          }
+          SelectionCopyButton()
         }
       }
     }

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

@@ -23,8 +23,10 @@ import androidx.compose.ui.input.key.*
 import androidx.compose.ui.input.pointer.*
 import androidx.compose.ui.layout.boundsInWindow
 import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.layout.onSizeChanged
 import androidx.compose.ui.layout.positionInWindow
 import androidx.compose.ui.platform.LocalClipboardManager
+import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.platform.LocalViewConfiguration
 import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.TextLayoutResult
@@ -404,14 +406,48 @@ fun setupItemSelection(selectionManager: SelectionManager?, selectionIndex: Int,
     return ItemSelection(highlightRange, positionModifier, onTextLayoutResult)
 }
 
+// Sets up full-item selection for emoji items (no character-level tracking).
 @Composable
-fun SelectionCopyButton(modifier: Modifier = Modifier, onCopy: () -> Unit) {
+fun setupEmojiSelection(selectionManager: SelectionManager?, selectionIndex: Int, textLength: Int): Boolean {
+    if (selectionManager == null || selectionIndex < 0) return false
+
+    val isAnchor = remember(selectionIndex) {
+        derivedStateOf { selectionManager.range?.startIndex == selectionIndex && selectionManager.selectionState == SelectionState.Selecting }
+    }
+    LaunchedEffect(isAnchor.value) {
+        if (!isAnchor.value) return@LaunchedEffect
+        selectionManager.setAnchorOffset(0)
+    }
+
+    val isFocus = remember(selectionIndex) {
+        derivedStateOf { selectionManager.range?.endIndex == selectionIndex && selectionManager.selectionState == SelectionState.Selecting }
+    }
+    if (isFocus.value) {
+        LaunchedEffect(Unit) {
+            snapshotFlow { selectionManager.focusWindowY }
+                .collect { selectionManager.updateFocusOffset(textLength) }
+        }
+    }
+
+    return remember(selectionIndex) { derivedStateOf { selectedRange(selectionManager.range, selectionIndex) != null } }.value
+}
+
+@Composable
+fun SelectionCopyButton() {
+    val manager = LocalSelectionManager.current ?: return
+    val range = manager.range ?: return
+    if (manager.selectionState != SelectionState.Selected || manager.focusCharRect == Rect.Zero) return
+    val draggingDown = range.startIndex > range.endIndex || (range.startIndex == range.endIndex && range.startOffset < range.endOffset)
+    val gap = with(LocalDensity.current) { 4.dp.toPx() }
+    var buttonSize by remember { mutableStateOf(IntSize.Zero) }
     Row(
-        modifier
+        Modifier
+            .offset { manager.copyButtonOffset(draggingDown, gap, buttonSize) }
+            .onSizeChanged { buttonSize = it }
             .background(MaterialTheme.colors.surface, RoundedCornerShape(20.dp))
             .border(1.dp, MaterialTheme.colors.onSurface.copy(alpha = 0.12f), RoundedCornerShape(20.dp))
             .clip(RoundedCornerShape(20.dp))
-            .clickable { onCopy() }
+            .clickable { manager.onCopySelection?.invoke() }
             .padding(horizontal = 16.dp, vertical = 8.dp),
         verticalAlignment = Alignment.CenterVertically
     ) {

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

@@ -22,33 +22,8 @@ val mediumEmojiFont: TextStyle = TextStyle(fontSize = 36.sp, fontFamily = EmojiF
 
 @Composable
 fun EmojiItemView(chatItem: ChatItem, timedMessagesTTL: Int?, showViaProxy: Boolean, showTimestamp: Boolean) {
-  val selectionManager = LocalSelectionManager.current
-  val selectionIndex = LocalItemContext.current.selectionIndex
   val emojiText = chatItem.content.text.trim()
-
-  if (selectionManager != null && selectionIndex >= 0) {
-    val isAnchor = remember(selectionIndex) {
-      derivedStateOf { selectionManager.range?.startIndex == selectionIndex && selectionManager.selectionState == SelectionState.Selecting }
-    }
-    LaunchedEffect(isAnchor.value) {
-      if (!isAnchor.value) return@LaunchedEffect
-      selectionManager.setAnchorOffset(0)
-    }
-
-    val isFocus = remember(selectionIndex) {
-      derivedStateOf { selectionManager.range?.endIndex == selectionIndex && selectionManager.selectionState == SelectionState.Selecting }
-    }
-    if (isFocus.value) {
-      LaunchedEffect(Unit) {
-        snapshotFlow { selectionManager.focusWindowY }
-          .collect { selectionManager.updateFocusOffset(emojiText.length) }
-      }
-    }
-  }
-
-  val isSelected = if (selectionManager != null && selectionIndex >= 0) {
-    remember(selectionIndex) { derivedStateOf { selectedRange(selectionManager.range, selectionIndex) != null } }.value
-  } else false
+  val isSelected = setupEmojiSelection(LocalSelectionManager.current, LocalItemContext.current.selectionIndex, emojiText.length)
 
   Column(
     Modifier.padding(vertical = 8.dp, horizontal = 12.dp),