feat: use brush for user colour

to support gradient role colours

Signed-off-by: Infi <wingit@geist.ga>

app/src/main/java/chat/revolt/api/internals/WebCompat.kt

@@ -4,32 +4,41 @@ import android.util.Log
 import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
 
+// color is spelled american because Color from compose is spelled american
+fun Brush.Companion.solidColor(colour: Color) = linearGradient(
+    colorStops = arrayOf(
+        0f to colour,
+        1f to colour
+    )
+)
+
 object WebCompat {
     @Composable
-    fun parseColour(colour: String): Color {
+    fun parseColour(colour: String): Brush {
         if (colour.startsWith("var(")) {
             Log.d(
                 "WebCompat",
                 "Parsing colour $colour. ${colour.substringAfter("var(").substringBefore(")")}"
             )
             return when (colour.substringAfter("var(").substringBefore(")")) {
-                "--accent" -> MaterialTheme.colorScheme.primary
-                "--foreground" -> MaterialTheme.colorScheme.onBackground
-                "--background" -> MaterialTheme.colorScheme.background
-                "--error" -> MaterialTheme.colorScheme.error
-                else -> LocalContentColor.current
+                "--accent" -> Brush.solidColor(MaterialTheme.colorScheme.primary)
+                "--foreground" -> Brush.solidColor(MaterialTheme.colorScheme.onBackground)
+                "--background" -> Brush.solidColor(MaterialTheme.colorScheme.background)
+                "--error" -> Brush.solidColor(MaterialTheme.colorScheme.error)
+                else -> Brush.solidColor(LocalContentColor.current)
             }
         } else {
             try {
-                return Color(android.graphics.Color.parseColor(colour))
+                return Brush.solidColor(Color(android.graphics.Color.parseColor(colour)))
             } catch (e: IllegalArgumentException) {
                 Log.d(
                     "WebCompat",
                     "Failed to parse colour $colour, falling back to LocalContentColor.current"
                 )
-                return LocalContentColor.current
+                return Brush.solidColor(LocalContentColor.current)
             }
         }
     }

app/src/main/java/chat/revolt/components/chat/Embed.kt

@@ -20,11 +20,13 @@ import androidx.compose.runtime.Composable
 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.layout.ContentScale
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
-import chat.revolt.api.routes.microservices.january.asJanuaryProxyUrl
 import chat.revolt.api.internals.WebCompat
+import chat.revolt.api.internals.solidColor
+import chat.revolt.api.routes.microservices.january.asJanuaryProxyUrl
 import chat.revolt.api.schemas.Embed
 import chat.revolt.components.generic.RemoteImage
 import chat.revolt.components.generic.UIMarkdown
@@ -50,7 +52,7 @@ fun RegularEmbed(
                 .fillMaxHeight()
                 .background(
                     embed.colour?.let { WebCompat.parseColour(it) }
-                        ?: MaterialTheme.colorScheme.primary
+                        ?: Brush.solidColor(MaterialTheme.colorScheme.primary)
                 )
         )
 

app/src/main/java/chat/revolt/components/chat/InReplyTo.kt

@@ -9,10 +9,12 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
 import androidx.compose.material3.LocalContentColor
+import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.font.FontStyle
@@ -22,6 +24,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import chat.revolt.R
 import chat.revolt.api.RevoltAPI
+import chat.revolt.api.internals.solidColor
 import chat.revolt.api.routes.microservices.january.asJanuaryProxyUrl
 import chat.revolt.api.schemas.User
 import chat.revolt.components.generic.UserAvatar
@@ -41,7 +44,7 @@ fun InReplyTo(
         ?: stringResource(id = R.string.unknown)
 
     val contentColor = LocalContentColor.current
-    val usernameColor = message?.let { authorColour(it) } ?: contentColor
+    val usernameColor = message?.let { authorColour(it) } ?: Brush.solidColor(contentColor)
 
     Box(
         modifier = modifier
@@ -73,9 +76,11 @@ fun InReplyTo(
                     } else {
                         stringResource(id = R.string.unknown)
                     },
-                    fontWeight = FontWeight.Bold,
-                    fontSize = 12.sp,
-                    color = usernameColor,
+                    style = LocalTextStyle.current.copy(
+                        fontWeight = FontWeight.Bold,
+                        fontSize = 12.sp,
+                        brush = usernameColor
+                    ),
                     maxLines = 1,
                     overflow = TextOverflow.Ellipsis,
                     modifier = Modifier.padding(horizontal = 4.dp)

app/src/main/java/chat/revolt/components/chat/Message.kt

@@ -28,11 +28,13 @@ import androidx.compose.material.icons.filled.Edit
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.Icon
 import androidx.compose.material3.LocalContentColor
+import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.platform.LocalContext
@@ -50,6 +52,7 @@ import chat.revolt.api.REVOLT_FILES
 import chat.revolt.api.RevoltAPI
 import chat.revolt.api.internals.ULID
 import chat.revolt.api.internals.WebCompat
+import chat.revolt.api.internals.solidColor
 import chat.revolt.api.routes.microservices.january.asJanuaryProxyUrl
 import chat.revolt.api.schemas.AutumnResource
 import chat.revolt.api.schemas.User
@@ -58,11 +61,11 @@ import chat.revolt.components.generic.UserAvatarWidthPlaceholder
 import chat.revolt.api.schemas.Message as MessageSchema
 
 @Composable
-fun authorColour(message: MessageSchema): Color {
+fun authorColour(message: MessageSchema): Brush {
     return if (message.masquerade?.colour != null) {
         WebCompat.parseColour(message.masquerade.colour)
     } else {
-        LocalContentColor.current
+        Brush.solidColor(LocalContentColor.current)
     }
 }
 
@@ -212,8 +215,15 @@ fun Message(
                         Row(verticalAlignment = Alignment.CenterVertically) {
                             Text(
                                 text = authorName(message),
-                                fontWeight = FontWeight.Bold,
-                                color = authorColour(message),
+                                style = LocalTextStyle.current.copy(
+                                    fontWeight = FontWeight.Bold,
+                                    brush = if (message.author == RevoltAPI.selfId) Brush.horizontalGradient(
+                                        listOf(
+                                            Color.Magenta,
+                                            Color.Cyan,
+                                        ),
+                                    ) else authorColour(message),
+                                ),
                                 maxLines = 1,
                                 overflow = TextOverflow.Ellipsis
                             )

app/src/main/java/chat/revolt/components/screens/chat/ReplyManager.kt

@@ -14,6 +14,7 @@ import androidx.compose.foundation.rememberScrollState
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Close
 import androidx.compose.material3.Icon
+import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.surfaceColorAtElevation
@@ -88,14 +89,16 @@ fun ManageableReply(
 
         Text(
             text = authorName(message = replyMessage),
-            fontSize = 12.sp,
             modifier = Modifier
                 .clickable {
                     onToggleMention()
                 }
                 .padding(4.dp),
-            color = authorColour(message = replyMessage),
-            fontWeight = FontWeight.Bold,
+            style = LocalTextStyle.current.copy(
+                brush = authorColour(message = replyMessage),
+                fontWeight = FontWeight.Bold,
+                fontSize = 12.sp,
+            )
         )
 
         Text(