From ef07eb3f2a5989eb5d3d404789b054cb5210017e Mon Sep 17 00:00:00 2001
From: "Evgeny @ SimpleX Chat"
 <259188159+evgeny-simplex@users.noreply.github.com>
Date: Wed, 1 Apr 2026 10:46:54 +0000
Subject: [PATCH] fix 2, logs

---
 .../simplex/common/views/chat/TextSelection.kt   | 16 +++++++++++++---
 .../common/views/chat/item/FramedItemView.kt     |  3 +++
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/TextSelection.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/TextSelection.kt
index 9ee2556fae..ecfd790d36 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/TextSelection.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/TextSelection.kt
@@ -27,6 +27,7 @@ import androidx.compose.ui.platform.LocalViewConfiguration
 import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.unit.dp
 import chat.simplex.common.model.*
+import chat.simplex.common.platform.Log
 import chat.simplex.common.platform.appPlatform
 import chat.simplex.common.views.chat.item.displayText
 import chat.simplex.common.views.helpers.generalGetString
@@ -34,6 +35,8 @@ import chat.simplex.res.MR
 import dev.icerock.moko.resources.compose.painterResource
 import kotlinx.coroutines.*
 
+private const val TAG_SEL = "TextSelection"
+
 val SelectionHighlightColor = Color(0x4D0066FF)
 
 data class ItemContext(
@@ -229,6 +232,7 @@ fun BoxScope.SelectionHandler(
                     if (!isDragging && totalDrag.getDistance() > touchSlop) {
                         isDragging = true
                         val idx = resolveIndexAtY(listState.value, localStart.y)
+                        Log.d(TAG_SEL, "dragStart localStart=$localStart windowStart=$windowStart idx=$idx")
                         if (idx != null) {
                             manager.startSelection(idx)
                             manager.focusWindowY = windowStart.y
@@ -244,7 +248,10 @@ fun BoxScope.SelectionHandler(
                         manager.focusWindowX = windowPos.x
 
                         val idx = resolveIndexAtY(listState.value, change.position.y)
-                        if (idx != null) manager.updateFocusIndex(idx)
+                        if (idx != null) {
+                            if (idx != manager.range?.endIndex) Log.d(TAG_SEL, "focusIndexChanged idx=$idx range=${manager.range}")
+                            manager.updateFocusIndex(idx)
+                        }
 
                         change.consume()
 
@@ -284,9 +291,12 @@ fun BoxScope.SelectionHandler(
 }
 
 private fun resolveIndexAtY(listState: LazyListState, localY: Float): Int? {
-    return listState.layoutInfo.visibleItemsInfo.find { item ->
-        localY >= item.offset && localY < item.offset + item.size
+    val reversedY = listState.layoutInfo.viewportEndOffset - localY
+    val idx = listState.layoutInfo.visibleItemsInfo.find { item ->
+        reversedY >= item.offset && reversedY < item.offset + item.size
     }?.index
+    Log.d(TAG_SEL, "resolveIndexAtY localY=$localY reversedY=$reversedY → index=$idx")
+    return idx
 }
 
 @Composable
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/FramedItemView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/FramedItemView.kt
index 3178191995..e9cb902a1e 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/FramedItemView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/FramedItemView.kt
@@ -391,6 +391,7 @@ fun CIMarkdownText(
       val offset = layout.getOffsetForPosition(
         Offset(selectionManager.focusWindowX - bounds.left, selectionManager.focusWindowY - bounds.top)
       )
+      Log.d("TextSelection", "anchorOffset idx=$selectionIndex offset=$offset bounds=$bounds pointer=(${selectionManager.focusWindowX},${selectionManager.focusWindowY})")
       selectionManager.setAnchorOffset(offset)
     }
 
@@ -404,6 +405,7 @@ fun CIMarkdownText(
             val bounds = boundsState.value ?: return@collect
             val layout = layoutResultState.value ?: return@collect
             val offset = layout.getOffsetForPosition(Offset(px - bounds.left, py - bounds.top))
+            Log.d("TextSelection", "focusOffset idx=$selectionIndex offset=$offset bounds=$bounds pointer=($px,$py)")
             selectionManager.updateFocusOffset(offset)
           }
       }
@@ -413,6 +415,7 @@ fun CIMarkdownText(
   val highlightRange = if (selectionManager != null && selectionIndex >= 0) {
     remember(selectionIndex) { derivedStateOf { highlightedRange(selectionManager.range, selectionIndex) } }.value
   } else null
+  if (highlightRange != null) Log.d("TextSelection", "highlight idx=$selectionIndex range=$highlightRange")
 
   Box(
     Modifier