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feat(chat-overlay): add ChatBox config UI + schema persistence

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- Elements panel config UI for ChatBox source (font size slider,
  font/member/super-chat/background color inputs, max messages slider,
  timestamp/badge toggles)
- Schema migration: 8 new ChatBox columns on Source table (ChatFontSize,
  ChatFontColor, ChatBackgroundColor, ChatMaxMessages, ChatShowTimestamps,
  ChatShowBadges, ChatMemberColor, ChatSuperChatColor)
- Load/save: Source SELECT and INSERT now include all ChatBox fields
- IsElementsPanelEmpty excludes ChatBox so hint doesn't cover config
- ChatBoxRenderer.cs created: WPF FormattedText + RenderTargetBitmap
  renderer for on-stream chat overlay
- Slider bindings set to TwoWay for live propagation
This commit is contained in:
Llama Chile Shop
2026-08-19 12:42:32 -07:00
parent 93987506a7
commit 65641d84e5
4 changed files with 346 additions and 4 deletions
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Services/LayoutStore.cs
+83 -3
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@@ -211,6 +211,56 @@ public class LayoutStore : IDisposable
cmd.CommandText = "ALTER TABLE Source ADD COLUMN CaptureKey TEXT;";
cmd.ExecuteNonQuery();
}
// TASK 3.18: ChatBox overlay source
if (!columns.Contains("ChatFontSize"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ChatFontSize REAL NOT NULL DEFAULT 16;";
cmd.ExecuteNonQuery();
}
if (!columns.Contains("ChatFontColor"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ChatFontColor TEXT NOT NULL DEFAULT '#FFFFFF';";
cmd.ExecuteNonQuery();
}
if (!columns.Contains("ChatBackgroundColor"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ChatBackgroundColor TEXT NOT NULL DEFAULT '#80000000';";
cmd.ExecuteNonQuery();
}
if (!columns.Contains("ChatMaxMessages"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ChatMaxMessages INTEGER NOT NULL DEFAULT 5;";
cmd.ExecuteNonQuery();
}
if (!columns.Contains("ChatShowTimestamps"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ChatShowTimestamps INTEGER NOT NULL DEFAULT 1;";
cmd.ExecuteNonQuery();
}
if (!columns.Contains("ChatShowBadges"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ChatShowBadges INTEGER NOT NULL DEFAULT 1;";
cmd.ExecuteNonQuery();
}
if (!columns.Contains("ChatMemberColor"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ChatMemberColor TEXT NOT NULL DEFAULT '#e94560';";
cmd.ExecuteNonQuery();
}
if (!columns.Contains("ChatSuperChatColor"))
{
using var cmd = _connection.CreateCommand();
cmd.CommandText = "ALTER TABLE Source ADD COLUMN ChatSuperChatColor TEXT NOT NULL DEFAULT '#eab308';";
cmd.ExecuteNonQuery();
}
}
// v3 → v4: WebcamSceneConfig gains RectWidth/RectHeight (the pre-Round rect,
@@ -510,7 +560,9 @@ public class LayoutStore : IDisposable
cmd.CommandText = """
SELECT Id, SceneId, AssetId, Type, Name, IsEnabled,
X, Y, Width, Height, Opacity, MonitorIndex, ClipShape, IsMirrored,
IsBackdrop, CaptureKey
IsBackdrop, CaptureKey,
ChatFontSize, ChatFontColor, ChatBackgroundColor, ChatMaxMessages,
ChatShowTimestamps, ChatShowBadges, ChatMemberColor, ChatSuperChatColor
FROM Source ORDER BY SortOrder
""";
using var reader = cmd.ExecuteReader();
@@ -534,6 +586,14 @@ public class LayoutStore : IDisposable
IsMirrored = reader.GetInt32(13) != 0,
IsBackdrop = reader.GetInt32(14) != 0,
CaptureKey = reader.IsDBNull(15) ? null : reader.GetString(15),
ChatFontSize = reader.IsDBNull(16) ? 16 : reader.GetDouble(16),
ChatFontColor = reader.IsDBNull(17) ? "#FFFFFF" : reader.GetString(17),
ChatBackgroundColor = reader.IsDBNull(18) ? "#80000000" : reader.GetString(18),
ChatMaxMessages = reader.IsDBNull(19) ? 5 : reader.GetInt32(19),
ChatShowTimestamps = reader.IsDBNull(20) ? true : reader.GetInt32(20) != 0,
ChatShowBadges = reader.IsDBNull(21) ? true : reader.GetInt32(21) != 0,
ChatMemberColor = reader.IsDBNull(22) ? "#e94560" : reader.GetString(22),
ChatSuperChatColor = reader.IsDBNull(23) ? "#eab308" : reader.GetString(23),
};
if (!sourcesByScene.TryGetValue(sceneId, out var list))
sourcesByScene[sceneId] = list = new List<Source>();
@@ -724,10 +784,14 @@ public class LayoutStore : IDisposable
cmd.CommandText = """
INSERT INTO Source (Id, SceneId, AssetId, Type, Name, IsEnabled,
X, Y, Width, Height, Opacity, MonitorIndex,
ClipShape, IsMirrored, IsBackdrop, CaptureKey, SortOrder)
ClipShape, IsMirrored, IsBackdrop, CaptureKey, SortOrder,
ChatFontSize, ChatFontColor, ChatBackgroundColor, ChatMaxMessages,
ChatShowTimestamps, ChatShowBadges, ChatMemberColor, ChatSuperChatColor)
VALUES ($id, $sceneId, $assetId, $type, $name, $isEnabled,
$x, $y, $w, $h, $opacity, $monitor,
$clip, $mirrored, $isBackdrop, $captureKey, $sort)
$clip, $mirrored, $isBackdrop, $captureKey, $sort,
$chatFontSize, $chatFontColor, $chatBgColor, $chatMaxMsgs,
$chatTimestamps, $chatBadges, $chatMemberColor, $chatSuperChatColor)
""";
cmd.Transaction = tx;
var idP = cmd.Parameters.Add("$id", SqliteType.Text);
@@ -747,6 +811,14 @@ public class LayoutStore : IDisposable
var isBackdropP = cmd.Parameters.Add("$isBackdrop", SqliteType.Integer);
var captureKeyP = cmd.Parameters.Add("$captureKey", SqliteType.Text);
var sortP = cmd.Parameters.Add("$sort", SqliteType.Integer);
var chatFontSizeP = cmd.Parameters.Add("$chatFontSize", SqliteType.Real);
var chatFontColorP = cmd.Parameters.Add("$chatFontColor", SqliteType.Text);
var chatBgColorP = cmd.Parameters.Add("$chatBgColor", SqliteType.Text);
var chatMaxMsgsP = cmd.Parameters.Add("$chatMaxMsgs", SqliteType.Integer);
var chatTimestampsP = cmd.Parameters.Add("$chatTimestamps", SqliteType.Integer);
var chatBadgesP = cmd.Parameters.Add("$chatBadges", SqliteType.Integer);
var chatMemberColorP = cmd.Parameters.Add("$chatMemberColor", SqliteType.Text);
var chatSuperChatColorP = cmd.Parameters.Add("$chatSuperChatColor", SqliteType.Text);
foreach (var scene in scenes)
{
@@ -771,6 +843,14 @@ public class LayoutStore : IDisposable
isBackdropP.Value = source.IsBackdrop ? 1 : 0;
captureKeyP.Value = (object?)source.CaptureKey ?? DBNull.Value;
sortP.Value = sort++;
chatFontSizeP.Value = source.ChatFontSize;
chatFontColorP.Value = source.ChatFontColor;
chatBgColorP.Value = source.ChatBackgroundColor;
chatMaxMsgsP.Value = source.ChatMaxMessages;
chatTimestampsP.Value = source.ChatShowTimestamps ? 1 : 0;
chatBadgesP.Value = source.ChatShowBadges ? 1 : 0;
chatMemberColorP.Value = source.ChatMemberColor;
chatSuperChatColorP.Value = source.ChatSuperChatColor;
cmd.ExecuteNonQuery();
}
}