Auto-submit on Enter

Signed-off-by: denis0001-dev <denis0001.dev@ya.ru>

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/PasswordStep.kt

@@ -45,6 +45,9 @@ import ru.fromchat.ui.components.ExpressiveStepPageHeader
 import ru.fromchat.ui.components.SettingsPasswordOutlineFieldShape
 import ru.fromchat.ui.components.Text
 import ru.fromchat.ui.components.expressiveStepFieldColors
+import ru.fromchat.ui.components.expressiveStepSingleLineKeyboardOptions
+import ru.fromchat.ui.components.expressiveStepSubmitKeyboardActions
+import ru.fromchat.ui.components.expressiveStepSubmitOnEnter
 import ru.fromchat.ui.components.trackImeScrollTarget
 import ru.fromchat.ui.main.settings.SettingsStepHorizontalPadding
 
@@ -73,6 +76,58 @@ internal fun passwordStepPage(
     val unexpected = stringResource(Res.string.error_unexpected)
     val loginLabel = stringResource(Res.string.login)
 
+    fun attemptSubmit() {
+        if (busy) return
+
+        if (password.length !in 5..50) {
+            onSnackbar(pwdLen, null)
+            return
+        }
+
+        scope.launch {
+            busy = true
+
+            try {
+                when (
+                    val result = authPasswordStep(
+                        username = username,
+                        password = password,
+                        wrongPasswordMessage = wrongPassword,
+                        rateLimitMessage = rateLimit,
+                        unexpectedError = unexpected,
+                    )
+                ) {
+                    is PasswordStepResult.LoginSuccess -> {
+                        onLoginSuccess()
+                    }
+
+                    is PasswordStepResult.NeedsRegister -> {
+                        onNeedsRegister(
+                            result.yandexRequired,
+                            result.yandex,
+                            result.captchaRequired,
+                            result.captcha,
+                        )
+                    }
+
+                    is PasswordStepResult.WrongPassword -> {
+                        onSnackbar(result.message, null)
+                    }
+
+                    is PasswordStepResult.RateLimited -> {
+                        onSnackbar(result.message, null)
+                    }
+
+                    is PasswordStepResult.Error -> {
+                        onSnackbar(result.message, result.cause)
+                    }
+                }
+            } finally {
+                busy = false
+            }
+        }
+    }
+
     return ExpressiveStepPage(
         hero = ExpressiveHeroSpec(
             icon = Icons.Filled.Lock,
@@ -94,9 +149,12 @@ internal fun passwordStepPage(
                 modifier = Modifier
                     .fillMaxWidth()
                     .trackImeScrollTarget(imeScroll, ExpressiveStepLazyListIndices.STEPS_BODY)
+                    .expressiveStepSubmitOnEnter(::attemptSubmit)
                     .padding(horizontal = SettingsStepHorizontalPadding),
                 enabled = !busy,
                 singleLine = true,
+                keyboardOptions = expressiveStepSingleLineKeyboardOptions(),
+                keyboardActions = expressiveStepSubmitKeyboardActions(::attemptSubmit),
                 visualTransformation = if (visible) VisualTransformation.None else PasswordVisualTransformation(),
                 trailingIcon = {
                     IconButton(onClick = { visible = !visible }) {
@@ -115,57 +173,7 @@ internal fun passwordStepPage(
         listFooter = { ChangeServerButton() },
         button = {
             ActionButton(
-                onClick = {
+                onClick = ::attemptSubmit,
-                    if (busy) return@ActionButton
-
-                    if (password.length !in 5..50) {
-                        onSnackbar(pwdLen, null)
-                        return@ActionButton
-                    }
-
-                    scope.launch {
-                        busy = true
-
-                        try {
-                            when (
-                                val result = authPasswordStep(
-                                    username = username,
-                                    password = password,
-                                    wrongPasswordMessage = wrongPassword,
-                                    rateLimitMessage = rateLimit,
-                                    unexpectedError = unexpected,
-                                )
-                            ) {
-                                is PasswordStepResult.LoginSuccess -> {
-                                    onLoginSuccess()
-                                }
-
-                                is PasswordStepResult.NeedsRegister -> {
-                                    onNeedsRegister(
-                                        result.yandexRequired,
-                                        result.yandex,
-                                        result.captchaRequired,
-                                        result.captcha,
-                                    )
-                                }
-
-                                is PasswordStepResult.WrongPassword -> {
-                                    onSnackbar(result.message, null)
-                                }
-
-                                is PasswordStepResult.RateLimited -> {
-                                    onSnackbar(result.message, null)
-                                }
-
-                                is PasswordStepResult.Error -> {
-                                    onSnackbar(result.message, result.cause)
-                                }
-                            }
-                        } finally {
-                            busy = false
-                        }
-                    }
-                },
                 enabled = !busy,
                 loading = busy,
                 modifier = Modifier.fillMaxWidth(),

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/UsernameStep.kt

@@ -39,6 +39,9 @@ import ru.fromchat.ui.components.ExpressiveStepPageHeader
 import ru.fromchat.ui.components.SettingsPasswordOutlineFieldShape
 import ru.fromchat.ui.components.Text
 import ru.fromchat.ui.components.expressiveStepFieldColors
+import ru.fromchat.ui.components.expressiveStepSingleLineKeyboardOptions
+import ru.fromchat.ui.components.expressiveStepSubmitKeyboardActions
+import ru.fromchat.ui.components.expressiveStepSubmitOnEnter
 import ru.fromchat.ui.components.trackImeScrollTarget
 import ru.fromchat.ui.main.settings.SettingsStepHorizontalPadding
 import ru.fromchat.username
@@ -70,6 +73,46 @@ internal fun usernameStepPage(
     val nextLabel = stringResource(Res.string.settings_next)
     val hasProhibitedChars = username.trim().any { !isAllowedUsernameChar(it) }
 
+    fun attemptSubmit() {
+        if (busy || hasProhibitedChars) return
+        val trimmed = username.trim()
+        if (trimmed.isBlank()) {
+            onSnackbar(fillAll, null)
+            return
+        }
+        if (trimmed.length !in 3..20) {
+            onSnackbar(usernameLenError, null)
+            return
+        }
+        onUsernameChange(trimmed)
+        scope.launch {
+            busy = true
+            try {
+                if (!probeCurrentServer()) {
+                    onSnackbar(serverFail, null)
+                } else {
+                    try {
+                        ApiClient.authUsernameStep(trimmed)
+                        onContinue()
+                    } catch (e: ClientRequestException) {
+                        val detail = if (e.response.status.value == 400) {
+                            runCatching { e.response.body<ErrorResponse>().detail }
+                                .getOrNull()
+                                ?.ifBlank { null }
+                        } else {
+                            null
+                        }
+                        onSnackbar(detail ?: unexpected, e)
+                    } catch (e: Exception) {
+                        onSnackbar(unexpected, e)
+                    }
+                }
+            } finally {
+                busy = false
+            }
+        }
+    }
+
     return ExpressiveStepPage(
         hero = ExpressiveHeroSpec(
             icon = Icons.Filled.Person,
@@ -95,8 +138,11 @@ internal fun usernameStepPage(
                     .fillMaxWidth()
                     .focusRequester(focusRequester)
                     .trackImeScrollTarget(imeScroll, ExpressiveStepLazyListIndices.STEPS_BODY)
+                    .expressiveStepSubmitOnEnter(::attemptSubmit)
                     .padding(horizontal = SettingsStepHorizontalPadding),
                 singleLine = true,
+                keyboardOptions = expressiveStepSingleLineKeyboardOptions(),
+                keyboardActions = expressiveStepSubmitKeyboardActions(::attemptSubmit),
                 isError = hasProhibitedChars,
                 supportingText = if (hasProhibitedChars) {
                     { Text(usernameCharsError) }
@@ -110,45 +156,7 @@ internal fun usernameStepPage(
         listFooter = { ChangeServerButton() },
         button = {
             ActionButton(
-                onClick = {
+                onClick = ::attemptSubmit,
-                    if (busy || hasProhibitedChars) return@ActionButton
-                    val trimmed = username.trim()
-                    if (trimmed.isBlank()) {
-                        onSnackbar(fillAll, null)
-                        return@ActionButton
-                    }
-                    if (trimmed.length !in 3..20) {
-                        onSnackbar(usernameLenError, null)
-                        return@ActionButton
-                    }
-                    onUsernameChange(trimmed)
-                    scope.launch {
-                        busy = true
-                        try {
-                            if (!probeCurrentServer()) {
-                                onSnackbar(serverFail, null)
-                            } else {
-                                try {
-                                    ApiClient.authUsernameStep(trimmed)
-                                    onContinue()
-                                } catch (e: ClientRequestException) {
-                                    val detail = if (e.response.status.value == 400) {
-                                        runCatching { e.response.body<ErrorResponse>().detail }
-                                            .getOrNull()
-                                            ?.ifBlank { null }
-                                    } else {
-                                        null
-                                    }
-                                    onSnackbar(detail ?: unexpected, e)
-                                } catch (e: Exception) {
-                                    onSnackbar(unexpected, e)
-                                }
-                            }
-                        } finally {
-                            busy = false
-                        }
-                    }
-                },
                 enabled = !busy && !hasProhibitedChars,
                 loading = busy,
                 modifier = Modifier.fillMaxWidth(),

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/register/ConfirmPasswordStep.kt

@@ -40,6 +40,9 @@ import ru.fromchat.ui.components.ExpressiveStepPageHeader
 import ru.fromchat.ui.components.SettingsPasswordOutlineFieldShape
 import ru.fromchat.ui.components.Text
 import ru.fromchat.ui.components.expressiveStepFieldColors
+import ru.fromchat.ui.components.expressiveStepSingleLineKeyboardOptions
+import ru.fromchat.ui.components.expressiveStepSubmitKeyboardActions
+import ru.fromchat.ui.components.expressiveStepSubmitOnEnter
 import ru.fromchat.ui.components.trackImeScrollTarget
 import ru.fromchat.ui.main.settings.SettingsStepHorizontalPadding
 
@@ -59,6 +62,20 @@ internal fun confirmPasswordStepPage(
     val pwdMatch = stringResource(Res.string.passwords_dont_match)
     val nextLabel = stringResource(Res.string.settings_next)
 
+    fun attemptSubmit() {
+        if (confirmPassword.isBlank()) {
+            onSnackbar(fillAll, null)
+            return
+        }
+
+        if (confirmPassword != password) {
+            onSnackbar(pwdMatch, null)
+            return
+        }
+
+        scope.launch { onContinue() }
+    }
+
     return ExpressiveStepPage(
         hero = ExpressiveHeroSpec(
             icon = Icons.Filled.VerifiedUser,
@@ -81,8 +98,11 @@ internal fun confirmPasswordStepPage(
                 modifier = Modifier
                     .fillMaxWidth()
                     .trackImeScrollTarget(imeScroll, ExpressiveStepLazyListIndices.STEPS_BODY)
+                    .expressiveStepSubmitOnEnter(::attemptSubmit)
                     .padding(horizontal = SettingsStepHorizontalPadding),
                 singleLine = true,
+                keyboardOptions = expressiveStepSingleLineKeyboardOptions(),
+                keyboardActions = expressiveStepSubmitKeyboardActions(::attemptSubmit),
                 visualTransformation = if (visible) VisualTransformation.None else PasswordVisualTransformation(),
                 trailingIcon = {
                     IconButton(onClick = { visible = !visible }) {
@@ -100,19 +120,7 @@ internal fun confirmPasswordStepPage(
         },
         button = {
             ActionButton(
-                onClick = {
+                onClick = ::attemptSubmit,
-                    if (confirmPassword.isBlank()) {
-                        onSnackbar(fillAll, null)
-                        return@ActionButton
-                    }
-
-                    if (confirmPassword != password) {
-                        onSnackbar(pwdMatch, null)
-                        return@ActionButton
-                    }
-
-                    scope.launch { onContinue() }
-                },
                 modifier = Modifier.fillMaxWidth(),
             ) {
                 Text(nextLabel)

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/register/ProfileStep.kt

@@ -40,6 +40,9 @@ import ru.fromchat.ui.components.ExpressiveStepPageHeader
 import ru.fromchat.ui.components.SettingsPasswordOutlineFieldShape
 import ru.fromchat.ui.components.Text
 import ru.fromchat.ui.components.expressiveStepFieldColors
+import ru.fromchat.ui.components.expressiveStepSingleLineKeyboardOptions
+import ru.fromchat.ui.components.expressiveStepSubmitKeyboardActions
+import ru.fromchat.ui.components.expressiveStepSubmitOnEnter
 import ru.fromchat.ui.components.trackImeScrollTarget
 import ru.fromchat.ui.main.settings.SettingsStepHorizontalPadding
 
@@ -72,6 +75,53 @@ internal fun profileStepPage(
     val usernameTaken = stringResource(Res.string.auth_username_taken)
     val registerLabel = stringResource(Res.string.register_button)
 
+    fun attemptSubmit() {
+        if (busy) return
+
+        if (displayName.isBlank() || displayName.trim().length > DISPLAY_NAME_MAX) {
+            onSnackbar(displayNameError, null)
+            return
+        }
+
+        if (bio.trim().length > BIO_MAX) {
+            onSnackbar(unexpected, null)
+            return
+        }
+
+        scope.launch {
+            busy = true
+
+            try {
+                when (
+                    val result = register(
+                        username = username,
+                        displayName = displayName.trim(),
+                        password = password,
+                        bio = bio.trim(),
+                        registrationProof = registrationProof,
+                        captchaToken = captchaToken,
+                        unexpectedError = unexpected,
+                    )
+                ) {
+                    is RegisterResult.Success -> {
+                        onRegisterSuccess()
+                    }
+
+                    is RegisterResult.UsernameTaken -> {
+                        onSnackbar(usernameTaken, null)
+                        onUsernameTaken()
+                    }
+
+                    is RegisterResult.Error -> {
+                        onSnackbar(result.message, result.cause)
+                    }
+                }
+            } finally {
+                busy = false
+            }
+        }
+    }
+
     return ExpressiveStepPage(
         hero = ExpressiveHeroSpec(
             icon = Icons.Filled.Face,
@@ -92,9 +142,12 @@ internal fun profileStepPage(
                 modifier = Modifier
                     .fillMaxWidth()
                     .trackImeScrollTarget(imeScroll, ExpressiveStepLazyListIndices.STEPS_BODY)
+                    .expressiveStepSubmitOnEnter(::attemptSubmit)
                     .padding(horizontal = SettingsStepHorizontalPadding),
                 enabled = !busy,
                 singleLine = true,
+                keyboardOptions = expressiveStepSingleLineKeyboardOptions(),
+                keyboardActions = expressiveStepSubmitKeyboardActions(::attemptSubmit),
                 supportingText = {
                     Text(stringResource(Res.string.auth_char_count, displayName.length, DISPLAY_NAME_MAX))
                 },
@@ -126,52 +179,7 @@ internal fun profileStepPage(
         },
         button = {
             ActionButton(
-                onClick = {
+                onClick = ::attemptSubmit,
-                    if (busy) return@ActionButton
-
-                    if (displayName.isBlank() || displayName.trim().length > DISPLAY_NAME_MAX) {
-                        onSnackbar(displayNameError, null)
-                        return@ActionButton
-                    }
-
-                    if (bio.trim().length > BIO_MAX) {
-                        onSnackbar(unexpected, null)
-                        return@ActionButton
-                    }
-
-                    scope.launch {
-                        busy = true
-
-                        try {
-                            when (
-                                val result = register(
-                                    username = username,
-                                    displayName = displayName.trim(),
-                                    password = password,
-                                    bio = bio.trim(),
-                                    registrationProof = registrationProof,
-                                    captchaToken = captchaToken,
-                                    unexpectedError = unexpected,
-                                )
-                            ) {
-                                is RegisterResult.Success -> {
-                                    onRegisterSuccess()
-                                }
-
-                                is RegisterResult.UsernameTaken -> {
-                                    onSnackbar(usernameTaken, null)
-                                    onUsernameTaken()
-                                }
-
-                                is RegisterResult.Error -> {
-                                    onSnackbar(result.message, result.cause)
-                                }
-                            }
-                        } finally {
-                            busy = false
-                        }
-                    }
-                },
                 enabled = !busy,
                 loading = busy,
                 modifier = Modifier.fillMaxWidth(),

app/shared/src/commonMain/kotlin/ru/fromchat/ui/components/LazyListFocusScroll.kt

@@ -2,6 +2,8 @@ package ru.fromchat.ui.components
 
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.gestures.BringIntoViewSpec
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.gestures.LocalBringIntoViewSpec
 import androidx.compose.foundation.gestures.animateScrollBy
 import androidx.compose.foundation.gestures.scrollBy
@@ -20,6 +22,13 @@ import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.composed
 import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.input.key.Key
+import androidx.compose.ui.input.key.KeyEventType
+import androidx.compose.ui.input.key.isShiftPressed
+import androidx.compose.ui.input.key.key
+import androidx.compose.ui.input.key.onPreviewKeyEvent
+import androidx.compose.ui.input.key.type
+import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.focus.focusProperties
 import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.focus.onFocusChanged
@@ -48,6 +57,21 @@ val LocalExpressiveStepFocusEnabled = compositionLocalOf { true }
 /** When true, the current step's primary field should request focus once. */
 val LocalExpressiveStepAutoFocusPrimary = compositionLocalOf { false }
 
+/** Desktop Enter / Android IME action for expressive step single-line fields. */
+fun Modifier.expressiveStepSubmitOnEnter(onSubmit: () -> Unit): Modifier = onPreviewKeyEvent { event ->
+    if (event.type != KeyEventType.KeyDown) return@onPreviewKeyEvent false
+    if (event.key != Key.Enter && event.key != Key.NumPadEnter) return@onPreviewKeyEvent false
+    if (event.isShiftPressed) return@onPreviewKeyEvent false
+    onSubmit()
+    true
+}
+
+fun expressiveStepSingleLineKeyboardOptions(): KeyboardOptions =
+    KeyboardOptions(imeAction = ImeAction.Done)
+
+fun expressiveStepSubmitKeyboardActions(onSubmit: () -> Unit): KeyboardActions =
+    KeyboardActions(onDone = { onSubmit() })
+
 /** Requests focus for [focusRequester] when [LocalExpressiveStepAutoFocusPrimary] becomes true. */
 @Composable
 fun ExpressiveStepAutoFocusEffect(focusRequester: FocusRequester) {