Fix Android avatar viewer bounds around system bars

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/AvatarViewerScreen.kt

@@ -1,6 +1,7 @@
 package com.utun.chat.ui.screens
 
 import android.graphics.Bitmap
+import android.view.WindowManager
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
@@ -11,13 +12,21 @@ import androidx.compose.runtime.*
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clipToBounds
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.layout.onSizeChanged
+import androidx.compose.ui.layout.positionInWindow
+import androidx.compose.ui.platform.LocalView
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
+import androidx.compose.ui.window.DialogWindowProvider
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
 import com.utun.chat.ChatApplication
 import com.utun.chat.R
 import com.utun.chat.data.LogManager
@@ -88,13 +97,22 @@ fun AvatarViewerScreen(group: String?, owner: Long, name: String, onClose: () ->
         } } }
     }
     fun move(delta: Int) { val next=index+delta; if (next in files.indices) selected=files[next] }
-    Dialog(onDismissRequest=onClose,properties=DialogProperties(usePlatformDefaultWidth=false)) {
-        Column(Modifier.fillMaxSize().background(Color.Black).systemBarsPadding()) {
+    Dialog(onDismissRequest=onClose,properties=DialogProperties(decorFitsSystemWindows=false)) {
+        val view=LocalView.current
+        val window=(view.parent as DialogWindowProvider).window
+        DisposableEffect(window) {
+            // Compose 1.6 с usePlatformDefaultWidth=false измеряет по дисплею, а не по доступной области окна.
+            window.setLayout(WindowManager.LayoutParams.MATCH_PARENT,WindowManager.LayoutParams.MATCH_PARENT)
+            onDispose { }
+        }
+        Column(Modifier.fillMaxSize().background(Color.Black).safeDrawingPadding().onSizeChanged {
+            LogManager.addLog("DEBUG","Avatar","Viewer content=${it.width}x${it.height}")
+        }) {
             Row(Modifier.fillMaxWidth(),verticalAlignment=Alignment.CenterVertically) {
                 Text(name,color=Color.White,modifier=Modifier.weight(1f).padding(12.dp))
                 TextButton(onClick=onClose) { Text(stringResource(R.string.close)) }
             }
-            Box(Modifier.weight(1f).fillMaxWidth(),contentAlignment=Alignment.Center) {
+            Box(Modifier.weight(1f).fillMaxWidth().clipToBounds(),contentAlignment=Alignment.Center) {
                 val image=original ?: previews[selected]
                 if (image!=null) ZoomableImage(image,Modifier.fillMaxSize(),onSwipe={ move(it) })
                 else if (source!=null && !failed) CircularProgressIndicator()
@@ -104,7 +122,12 @@ fun AvatarViewerScreen(group: String?, owner: Long, name: String, onClose: () ->
                 Text(stringResource(R.string.avatar_retry))
             } else if (original==null && source!=null) LinearProgressIndicator(Modifier.fillMaxWidth())
             if (index>=0) Text("${index+1} / ${files.size}",color=Color.White,modifier=Modifier.align(Alignment.CenterHorizontally))
-            Row(Modifier.fillMaxWidth().padding(vertical=8.dp),verticalAlignment=Alignment.CenterVertically,
+            Row(Modifier.fillMaxWidth().padding(vertical=8.dp).onGloballyPositioned {
+                val insets=ViewCompat.getRootWindowInsets(view)?.getInsets(
+                    WindowInsetsCompat.Type.systemBars() or WindowInsetsCompat.Type.displayCutout())
+                LogManager.addLog("DEBUG","Avatar","Viewer thumbnails position=${it.positionInWindow()} size=${it.size} " +
+                    "window=${view.width}x${view.height} insets=$insets")
+            },verticalAlignment=Alignment.CenterVertically,
                 horizontalArrangement=Arrangement.Center) {
                 TextButton(enabled=index>0,onClick={ move(-1) },contentPadding=PaddingValues(4.dp),modifier=Modifier.width(32.dp)) { Text("←") }
                 repeat(5) { slot ->