QR экран: обои вместо градиентов, circular reveal анимация при смене обоев и темы, кнопка sun/moon переключает тему приложения, cooldown 600ms. Убрана кнопка Start New Call с экрана звонков.

app/src/main/java/com/rosetta/messenger/MainActivity.kt

@@ -1863,7 +1863,8 @@ fun MainScreen(
                 onScanQr = {
                     navStack = navStack.filterNot { it is Screen.MyQr }
                     pushScreen(Screen.QrScanner)
-                }
+                },
+                onToggleTheme = onToggleTheme
             )
         }
 

app/src/main/java/com/rosetta/messenger/ui/chats/calls/CallsHistoryScreen.kt

@@ -109,11 +109,6 @@ fun CallsHistoryScreen(
         contentPadding = PaddingValues(bottom = 16.dp)
     ) {
         item(key = "start_new_call") {
-            StartNewCallRow(
-                isDarkTheme = isDarkTheme,
-                onClick = onStartNewCall
-            )
-            Divider(color = dividerColor, thickness = 0.5.dp)
             Text(
                 text = "You can add up to 200 participants to a call.",
                 color = secondaryTextColor,

app/src/main/java/com/rosetta/messenger/ui/qr/MyQrCodeScreen.kt

@@ -1,6 +1,9 @@
 package com.rosetta.messenger.ui.qr
 
 import android.content.Intent
+import androidx.compose.animation.core.Animatable
+import androidx.compose.animation.core.CubicBezierEasing
+import androidx.compose.animation.core.tween
 import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.CircleShape
@@ -10,55 +13,69 @@ import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
-import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.geometry.Rect
+import androidx.compose.ui.graphics.BlendMode
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.CompositingStrategy
+import androidx.compose.ui.graphics.ImageBitmap
+import androidx.compose.ui.graphics.Path
 import androidx.compose.ui.graphics.asImageBitmap
+import androidx.compose.ui.graphics.drawscope.clipPath
+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.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.IntOffset
+import androidx.compose.ui.unit.IntSize
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.core.view.drawToBitmap
+import com.rosetta.messenger.R
 import com.rosetta.messenger.repository.AvatarRepository
 import com.rosetta.messenger.ui.components.AvatarImage
+import com.rosetta.messenger.ui.settings.ThemeWallpapers
 import com.rosetta.messenger.utils.QrCodeGenerator
 import compose.icons.TablerIcons
 import compose.icons.tablericons.*
+import androidx.compose.ui.layout.onSizeChanged
+import kotlinx.coroutines.launch
+import kotlin.math.hypot
 
-// Theme presets — gradient background + QR foreground color
+// QR theme = wallpaper + QR color
 private data class QrTheme(
-    val gradientColors: List<Color>,
+    val wallpaperId: String,
     val qrColor: Int,
-    val name: String
+    val tintColor: Color,
+    val isDark: Boolean
 )
 
 private val qrThemes = listOf(
-    QrTheme(
-        listOf(Color(0xFF667EEA), Color(0xFF764BA2)),
-        0xFF4A3F9F.toInt(),
-        "Purple"
-    ),
-    QrTheme(
-        listOf(Color(0xFF43E97B), Color(0xFF38F9D7)),
-        0xFF2D8F5E.toInt(),
-        "Green"
-    ),
-    QrTheme(
-        listOf(Color(0xFFF78CA0), Color(0xFFF9748F), Color(0xFFFD868C)),
-        0xFFBF3A5A.toInt(),
-        "Pink"
-    ),
-    QrTheme(
-        listOf(Color(0xFF4FACFE), Color(0xFF00F2FE)),
-        0xFF2171B5.toInt(),
-        "Blue"
-    ),
-    QrTheme(
-        listOf(Color(0xFFFFA751), Color(0xFFFFE259)),
-        0xFFC67B1C.toInt(),
-        "Orange"
-    ),
+    QrTheme("dark_01", 0xFF5AA5FF.toInt(), Color(0xFF5AA5FF), true),
+    QrTheme("dark_02", 0xFF9575CD.toInt(), Color(0xFF9575CD), true),
+    QrTheme("dark_03", 0xFF4DB6AC.toInt(), Color(0xFF4DB6AC), true),
+    QrTheme("light_01", 0xFF228BE6.toInt(), Color(0xFF228BE6), false),
+    QrTheme("light_02", 0xFF43A047.toInt(), Color(0xFF43A047), false),
+    QrTheme("light_03", 0xFFE64980.toInt(), Color(0xFFE64980), false),
 )
 
+private fun maxRevealRadius(center: Offset, bounds: IntSize): Float {
+    if (bounds.width <= 0 || bounds.height <= 0) return 0f
+    val w = bounds.width.toFloat()
+    val h = bounds.height.toFloat()
+    return maxOf(
+        hypot(center.x, center.y),
+        hypot(w - center.x, center.y),
+        hypot(center.x, h - center.y),
+        hypot(w - center.x, h - center.y)
+    )
+}
+
 @Composable
 fun MyQrCodeScreen(
     isDarkTheme: Boolean,
@@ -67,12 +84,31 @@ fun MyQrCodeScreen(
     username: String,
     avatarRepository: AvatarRepository? = null,
     onBack: () -> Unit,
-    onScanQr: () -> Unit = {}
+    onScanQr: () -> Unit = {},
+    onToggleTheme: () -> Unit = {}
 ) {
     val context = LocalContext.current
-    var selectedThemeIndex by remember { mutableIntStateOf(0) }
+    val view = LocalView.current
+    val scope = rememberCoroutineScope()
+
+    var selectedThemeIndex by remember { mutableIntStateOf(if (isDarkTheme) 0 else 3) }
+
+    // Auto-switch to matching theme group when app theme changes
+    LaunchedEffect(isDarkTheme) {
+        val currentTheme = qrThemes.getOrNull(selectedThemeIndex)
+        if (currentTheme != null && currentTheme.isDark != isDarkTheme) {
+            // Map to same position in the other group
+            val posInGroup = if (currentTheme.isDark) selectedThemeIndex else selectedThemeIndex - 3
+            selectedThemeIndex = if (isDarkTheme) posInGroup.coerceIn(0, 2) else (posInGroup + 3).coerceIn(3, 5)
+        }
+    }
+
     val theme = qrThemes[selectedThemeIndex]
 
+    val wallpaperResId = remember(theme.wallpaperId) {
+        ThemeWallpapers.drawableResOrNull(theme.wallpaperId)
+    }
+
     val qrBitmap = remember(publicKey, selectedThemeIndex) {
         QrCodeGenerator.generateQrBitmap(
             content = QrCodeGenerator.profilePayload(publicKey),
@@ -88,27 +124,90 @@ fun MyQrCodeScreen(
         else QrCodeGenerator.profileShareUrlByKey(publicKey)
     }
 
+    // Circular reveal state
+    val revealRadius = remember { Animatable(0f) }
+    var revealActive by remember { mutableStateOf(false) }
+    var revealSnapshot by remember { mutableStateOf<ImageBitmap?>(null) }
+    var revealCenter by remember { mutableStateOf(Offset.Zero) }
+    var rootSize by remember { mutableStateOf(IntSize.Zero) }
+    var lastRevealTime by remember { mutableLongStateOf(0L) }
+    val revealCooldownMs = 600L
+
+    fun startReveal(newIndex: Int, center: Offset) {
+        val now = System.currentTimeMillis()
+        if (revealActive || newIndex == selectedThemeIndex || now - lastRevealTime < revealCooldownMs) return
+        lastRevealTime = now
+        if (rootSize.width <= 0 || rootSize.height <= 0) {
+            selectedThemeIndex = newIndex
+            return
+        }
+
+        val snapshot = runCatching { view.drawToBitmap() }.getOrNull()
+        if (snapshot == null) {
+            selectedThemeIndex = newIndex
+            return
+        }
+
+        val maxR = maxRevealRadius(center, rootSize)
+        if (maxR <= 0f) {
+            selectedThemeIndex = newIndex
+            return
+        }
+
+        revealActive = true
+        revealCenter = center
+        revealSnapshot = snapshot.asImageBitmap()
+
+        scope.launch {
+            try {
+                revealRadius.snapTo(0f)
+                selectedThemeIndex = newIndex
+                kotlinx.coroutines.delay(16) // wait one frame for recomposition
+                revealRadius.animateTo(
+                    targetValue = maxR,
+                    animationSpec = tween(
+                        durationMillis = 400,
+                        easing = CubicBezierEasing(0.45f, 0.05f, 0.55f, 0.95f)
+                    )
+                )
+            } finally {
+                revealSnapshot = null
+                revealActive = false
+            }
+        }
+    }
+
     Box(
         modifier = Modifier
             .fillMaxSize()
-            .background(Brush.verticalGradient(theme.gradientColors))
+            .onSizeChanged { rootSize = it }
     ) {
+        // Wallpaper background
+        if (wallpaperResId != null) {
+            Image(
+                painter = painterResource(id = wallpaperResId),
+                contentDescription = null,
+                modifier = Modifier.fillMaxSize(),
+                contentScale = ContentScale.Crop
+            )
+        } else {
+            Box(modifier = Modifier.fillMaxSize().background(if (theme.isDark) Color(0xFF1A1A1A) else Color(0xFFF0F0F5)))
+        }
+
+        // Main content
         Column(
             modifier = Modifier.fillMaxSize(),
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
             Spacer(modifier = Modifier.statusBarsPadding().height(40.dp))
 
-            // QR Card with avatar overlapping
+            // QR Card with overlapping avatar
             Box(
                 modifier = Modifier.padding(horizontal = 32.dp),
                 contentAlignment = Alignment.TopCenter
             ) {
-                // White card
                 Card(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .padding(top = 40.dp),
+                    modifier = Modifier.fillMaxWidth().padding(top = 40.dp),
                     shape = RoundedCornerShape(24.dp),
                     colors = CardDefaults.cardColors(containerColor = Color.White),
                     elevation = CardDefaults.cardElevation(defaultElevation = 8.dp)
@@ -119,7 +218,6 @@ fun MyQrCodeScreen(
                             .padding(top = 52.dp, bottom = 24.dp, start = 24.dp, end = 24.dp),
                         horizontalAlignment = Alignment.CenterHorizontally
                     ) {
-                        // QR code
                         if (qrBitmap != null) {
                             Image(
                                 bitmap = qrBitmap.asImageBitmap(),
@@ -130,7 +228,6 @@ fun MyQrCodeScreen(
 
                         Spacer(modifier = Modifier.height(16.dp))
 
-                        // Username
                         Text(
                             text = if (username.isNotBlank()) "@${username.uppercase()}"
                                    else displayName.uppercase(),
@@ -142,7 +239,7 @@ fun MyQrCodeScreen(
                     }
                 }
 
-                // Avatar overlapping the card top
+                // Avatar overlapping
                 Box(
                     modifier = Modifier
                         .size(80.dp)
@@ -163,12 +260,11 @@ fun MyQrCodeScreen(
 
             Spacer(modifier = Modifier.weight(1f))
 
-            // Bottom sheet area
+            // Bottom sheet
             Surface(
                 modifier = Modifier.fillMaxWidth(),
                 shape = RoundedCornerShape(topStart = 20.dp, topEnd = 20.dp),
                 color = if (isDarkTheme) Color(0xFF1C1C1E) else Color.White,
-                tonalElevation = 0.dp,
                 shadowElevation = 16.dp
             ) {
                 Column(
@@ -178,71 +274,120 @@ fun MyQrCodeScreen(
                         .padding(top = 16.dp, bottom = 16.dp),
                     horizontalAlignment = Alignment.CenterHorizontally
                 ) {
-                    // Handle bar
+                    // Handle
                     Box(
                         modifier = Modifier
-                            .width(36.dp)
-                            .height(4.dp)
+                            .width(36.dp).height(4.dp)
                             .clip(RoundedCornerShape(2.dp))
                             .background(Color.Gray.copy(alpha = 0.3f))
                     )
 
                     Spacer(modifier = Modifier.height(12.dp))
 
-                    // Header: Close + title
+                    // Header: X + "QR Code" + theme toggle
                     Row(
-                        modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp),
+                        modifier = Modifier.fillMaxWidth().padding(horizontal = 8.dp),
                         verticalAlignment = Alignment.CenterVertically
                     ) {
                         IconButton(onClick = onBack) {
+                            Icon(TablerIcons.X, contentDescription = "Close",
+                                tint = if (isDarkTheme) Color.White else Color.Black)
+                        }
+                        Spacer(modifier = Modifier.weight(1f))
+                        Text("QR Code", fontSize = 17.sp, fontWeight = FontWeight.SemiBold,
+                            color = if (isDarkTheme) Color.White else Color.Black)
+                        Spacer(modifier = Modifier.weight(1f))
+                        var themeButtonPos by remember { mutableStateOf(Offset.Zero) }
+                        IconButton(
+                            onClick = {
+                                // Snapshot → toggle theme → circular reveal
+                                val now = System.currentTimeMillis()
+                                if (!revealActive && rootSize.width > 0 && now - lastRevealTime >= revealCooldownMs) {
+                                    lastRevealTime = now
+                                    val snapshot = runCatching { view.drawToBitmap() }.getOrNull()
+                                    if (snapshot != null) {
+                                        val maxR = maxRevealRadius(themeButtonPos, rootSize)
+                                        revealActive = true
+                                        revealCenter = themeButtonPos
+                                        revealSnapshot = snapshot.asImageBitmap()
+                                        // Switch to matching wallpaper in new theme
+                                        val posInGroup = if (isDarkTheme) selectedThemeIndex else selectedThemeIndex - 3
+                                        val newIndex = if (isDarkTheme) (posInGroup + 3).coerceIn(3, 5) else posInGroup.coerceIn(0, 2)
+                                        selectedThemeIndex = newIndex
+                                        onToggleTheme()
+                                        scope.launch {
+                                            try {
+                                                revealRadius.snapTo(0f)
+                                                kotlinx.coroutines.delay(16)
+                                                revealRadius.animateTo(
+                                                    targetValue = maxR,
+                                                    animationSpec = tween(400, easing = CubicBezierEasing(0.45f, 0.05f, 0.55f, 0.95f))
+                                                )
+                                            } finally {
+                                                revealSnapshot = null
+                                                revealActive = false
+                                            }
+                                        }
+                                    } else {
+                                        onToggleTheme()
+                                    }
+                                } else {
+                                    onToggleTheme()
+                                }
+                            },
+                            modifier = Modifier.onGloballyPositioned { coords ->
+                                val pos = coords.positionInRoot()
+                                val sz = coords.size
+                                themeButtonPos = Offset(pos.x + sz.width / 2f, pos.y + sz.height / 2f)
+                            }
+                        ) {
                             Icon(
-                                TablerIcons.X,
-                                contentDescription = "Close",
+                                imageVector = if (isDarkTheme) TablerIcons.Sun else TablerIcons.MoonStars,
+                                contentDescription = "Toggle theme",
                                 tint = if (isDarkTheme) Color.White else Color.Black
                             )
                         }
-                        Spacer(modifier = Modifier.weight(1f))
-                        Text(
-                            "QR Code",
-                            fontSize = 17.sp,
-                            fontWeight = FontWeight.SemiBold,
-                            color = if (isDarkTheme) Color.White else Color.Black
-                        )
-                        Spacer(modifier = Modifier.weight(1f))
-                        Spacer(modifier = Modifier.width(48.dp))
                     }
 
                     Spacer(modifier = Modifier.height(12.dp))
 
-                    // Theme selector
+                    // Wallpaper selector — show current theme's wallpapers
+                    val currentThemes = qrThemes.filter { it.isDark == isDarkTheme }
+
                     Row(
-                        modifier = Modifier
-                            .fillMaxWidth()
-                            .padding(horizontal = 16.dp),
+                        modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp),
                         horizontalArrangement = Arrangement.spacedBy(10.dp)
                     ) {
-                        qrThemes.forEachIndexed { index, t ->
+                        currentThemes.forEach { t ->
+                            val index = qrThemes.indexOf(t)
                             val isSelected = index == selectedThemeIndex
+                            val wpRes = ThemeWallpapers.drawableResOrNull(t.wallpaperId)
+                            var itemPosition by remember { mutableStateOf(Offset.Zero) }
+
                             Box(
                                 modifier = Modifier
-                                    .weight(1f)
-                                    .aspectRatio(0.85f)
+                                    .weight(1f).aspectRatio(0.85f)
                                     .clip(RoundedCornerShape(12.dp))
                                     .border(
                                         width = if (isSelected) 2.dp else 0.dp,
                                         color = if (isSelected) Color(0xFF3390EC) else Color.Transparent,
                                         shape = RoundedCornerShape(12.dp)
                                     )
-                                    .background(Brush.verticalGradient(t.gradientColors))
-                                    .clickable { selectedThemeIndex = index },
+                                    .onGloballyPositioned { coords ->
+                                        val pos = coords.positionInRoot()
+                                        val sz = coords.size
+                                        itemPosition = Offset(pos.x + sz.width / 2f, pos.y + sz.height / 2f)
+                                    }
+                                    .clickable { if (index != selectedThemeIndex) startReveal(index, itemPosition) },
                                 contentAlignment = Alignment.Center
                             ) {
-                                Icon(
-                                    TablerIcons.Scan,
-                                    contentDescription = t.name,
-                                    tint = Color.White.copy(alpha = 0.8f),
-                                    modifier = Modifier.size(24.dp)
-                                )
+                                if (wpRes != null) {
+                                    Image(painter = painterResource(id = wpRes), contentDescription = null,
+                                        modifier = Modifier.fillMaxSize(), contentScale = ContentScale.Crop)
+                                }
+                                Icon(TablerIcons.Scan, contentDescription = null,
+                                    tint = if (isDarkTheme) Color.White.copy(alpha = 0.6f) else Color.Black.copy(alpha = 0.35f),
+                                    modifier = Modifier.size(22.dp))
                             }
                         }
                     }
@@ -258,10 +403,7 @@ fun MyQrCodeScreen(
                             }
                             context.startActivity(Intent.createChooser(intent, "Share Profile"))
                         },
-                        modifier = Modifier
-                            .fillMaxWidth()
-                            .padding(horizontal = 16.dp)
-                            .height(50.dp),
+                        modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp).height(50.dp),
                         colors = ButtonDefaults.buttonColors(containerColor = Color(0xFF3390EC)),
                         shape = RoundedCornerShape(12.dp)
                     ) {
@@ -270,24 +412,45 @@ fun MyQrCodeScreen(
 
                     Spacer(modifier = Modifier.height(12.dp))
 
-                    // Scan QR button
+                    // Scan QR
                     TextButton(onClick = onScanQr) {
-                        Icon(
-                            TablerIcons.Scan,
-                            contentDescription = null,
-                            tint = Color(0xFF3390EC),
-                            modifier = Modifier.size(20.dp)
-                        )
+                        Icon(TablerIcons.Scan, contentDescription = null,
+                            tint = Color(0xFF3390EC), modifier = Modifier.size(20.dp))
                         Spacer(modifier = Modifier.width(8.dp))
-                        Text(
-                            "Scan QR Code",
-                            color = Color(0xFF3390EC),
-                            fontSize = 15.sp,
-                            fontWeight = FontWeight.Medium
-                        )
+                        Text("Scan QR Code", color = Color(0xFF3390EC),
+                            fontSize = 15.sp, fontWeight = FontWeight.Medium)
                     }
                 }
             }
         }
+
+        // Circular reveal overlay
+        if (revealActive) {
+            val snapshot = revealSnapshot
+            if (snapshot != null) {
+                Canvas(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .graphicsLayer(compositingStrategy = CompositingStrategy.Offscreen)
+                ) {
+                    val dstSize = IntSize(size.width.toInt(), size.height.toInt())
+                    // Draw old screenshot
+                    drawImage(
+                        image = snapshot,
+                        srcOffset = IntOffset.Zero,
+                        srcSize = IntSize(snapshot.width, snapshot.height),
+                        dstOffset = IntOffset.Zero,
+                        dstSize = dstSize
+                    )
+                    // Cut expanding circle to reveal new theme underneath
+                    drawCircle(
+                        color = Color.Transparent,
+                        radius = revealRadius.value,
+                        center = revealCenter,
+                        blendMode = BlendMode.Clear
+                    )
+                }
+            }
+        }
     }
 }