Add descriptive headers to camera option menus

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

@@ -367,6 +367,7 @@ fun CameraRecordScreen(initialMode: CaptureMode, onSend: (String, CaptureMode) -
                                 CaptureValueIcon(CaptureIconShape.CAMERA, focal, front = lens?.type == LensType.SELFIE)
                             }
                             DropdownMenu(expanded = menu == CameraOption.CAMERA, onDismissRequest = { menu = null }) {
+                                CaptureMenuHeader(stringResource(R.string.camera))
                                 lenses.forEach { item ->
                                     CaptureOptionItem("${item.label} ${item.mm}".trim(), lens == item, onClick = {
                                         menu = null; lens = item
@@ -382,6 +383,7 @@ fun CameraRecordScreen(initialMode: CaptureMode, onSend: (String, CaptureMode) -
                                     CaptureValueIcon(CaptureIconShape.CHIP, codec.name)
                                 }
                                 DropdownMenu(expanded = menu == CameraOption.CODEC, onDismissRequest = { menu = null }) {
+                                    CaptureMenuHeader(stringResource(R.string.call_video_codec))
                                     videoOptions?.forEach { (item, supported) ->
                                         CaptureOptionItem(item.label, codec == item, onClick = {
                                             menu = null; codec = item
@@ -405,6 +407,7 @@ fun CameraRecordScreen(initialMode: CaptureMode, onSend: (String, CaptureMode) -
                                 CaptureValueIcon(CaptureIconShape.SCREEN, value)
                             }
                             DropdownMenu(expanded = menu == CameraOption.RESOLUTION, onDismissRequest = { menu = null }) {
+                                CaptureMenuHeader(stringResource(R.string.call_video_resolution))
                                 if (mode == CaptureMode.PHOTO) resolutions.forEach { item ->
                                     CaptureOptionItem(item.label, resolution == item, onClick = {
                                         menu = null; resolution = item
@@ -426,6 +429,7 @@ fun CameraRecordScreen(initialMode: CaptureMode, onSend: (String, CaptureMode) -
                                     CaptureValueIcon(CaptureIconShape.GAUGE, captureBitrateLabel(bitrate))
                                 }
                                 DropdownMenu(expanded = menu == CameraOption.BITRATE, onDismissRequest = { menu = null }) {
+                                    CaptureMenuHeader(stringResource(R.string.capture_bitrate_title))
                                     VIDEO_BITRATES.forEach { item ->
                                         CaptureOptionItem(stringResource(R.string.stream_bitrate_value, item / 1_000_000.0), bitrate == item,
                                             onClick = {
@@ -440,6 +444,7 @@ fun CameraRecordScreen(initialMode: CaptureMode, onSend: (String, CaptureMode) -
                                     CaptureValueIcon(CaptureIconShape.GAUGE, jpegQuality.toString(), detail = "JPEG")
                                 }
                                 DropdownMenu(expanded = menu == CameraOption.JPEG_QUALITY, onDismissRequest = { menu = null }) {
+                                    CaptureMenuHeader(stringResource(R.string.capture_jpeg_quality_title))
                                     JPEG_QUALITIES.forEach { item ->
                                         CaptureOptionItem(item.toString(), jpegQuality == item, onClick = {
                                             menu = null; jpegQuality = item

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

@@ -21,6 +21,7 @@ import androidx.compose.ui.graphics.StrokeCap
 import androidx.compose.ui.graphics.drawscope.Stroke
 import androidx.compose.ui.semantics.clearAndSetSemantics
 import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.heading
 import androidx.compose.ui.semantics.selected
 import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.text.font.FontWeight
@@ -137,6 +138,14 @@ internal fun CaptureValueIcon(shape: CaptureIconShape, value: String, detail: St
     }
 }
 
+/** Название параметра над вариантами меню; заголовок не является действием. */
+@Composable
+internal fun CaptureMenuHeader(title: String) {
+    Text(title, Modifier.fillMaxWidth().padding(horizontal = 16.dp, vertical = 8.dp).semantics { heading() },
+        style = MaterialTheme.typography.labelLarge, color = MaterialTheme.colorScheme.onSurfaceVariant)
+    HorizontalDivider()
+}
+
 /** Текущее значение отмечено галочкой и доступно средствам чтения экрана. */
 @Composable
 internal fun CaptureOptionItem(label: String, active: Boolean, onClick: () -> Unit, icon: @Composable (() -> Unit)? = null) {

tools/chatgui-android/app/src/main/res/values-ru/strings.xml

@@ -167,6 +167,8 @@
     <string name="photo">"Фото"</string>
     <string name="capture_video">Видео</string>
     <string name="capture_jpeg_quality">Качество JPEG: %1$d</string>
+    <string name="capture_jpeg_quality_title">Качество JPEG</string>
+    <string name="capture_bitrate_title">Битрейт видео</string>
     <string name="capture_failed">Не удалось выполнить съёмку. Попробуйте ещё раз.</string>
     <string name="image_failed">Не удалось прочитать изображение</string>
     <string name="camera_light">"Подсветка"</string>

tools/chatgui-android/app/src/main/res/values/strings.xml

@@ -168,6 +168,8 @@
     <string name="photo">"Photo"</string>
     <string name="capture_video">Video</string>
     <string name="capture_jpeg_quality">JPEG quality: %1$d</string>
+    <string name="capture_jpeg_quality_title">JPEG quality</string>
+    <string name="capture_bitrate_title">Video bitrate</string>
     <string name="capture_failed">Could not capture media. Try again.</string>
     <string name="image_failed">Could not read image</string>
     <string name="camera_light">"Fill light"</string>