ai-guiders/cascade-ide / Services/UiThemeApply.cs

/// <summary>Загружает тему из файла рядом с приложением; при отсутствии — из встроенного ресурса (<see cref="BundledAppContent"/>). Перечитывает с диска только если изменились путь или дата модификации.</summary>

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public static string GetThemeJsonFromFile(string filePath)

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{

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var path = CanonicalFilePath.Normalize(filePath);

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if (File.Exists(path))

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{

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var lastWrite = File.GetLastWriteTimeUtc(path);

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if (_themeCache is { } c && c.path == path && c.lastWrite == lastWrite)

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return c.json;

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var json = File.ReadAllText(path);

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_themeCache = (path, lastWrite, json);

return json;

}

if (TryRelativeUnderAppBase(path, out var rel) && BundledAppContent.TryReadEmbeddedText(rel, out var embedded))

return embedded;

return "{}";

}

private static bool TryRelativeUnderAppBase(string fullPath, [NotNullWhen(true)] out string? relative)

{

relative = null;

try

{

var baseDir = CanonicalFilePath.Normalize(AppContext.BaseDirectory);

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var fp = CanonicalFilePath.Normalize(fullPath);

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if (!fp.StartsWith(baseDir, StringComparison.OrdinalIgnoreCase))

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return false;

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relative = Path.GetRelativePath(baseDir, fp).Replace('\\', '/');

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return relative.Length > 0;

}

catch

{

return false;

}

}

/// <summary>Тёмная тема: Themes/dark-theme.json рядом с exe.</summary>

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public static string GetDarkThemeJson() =>

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GetThemeJsonFromFile(Path.Combine(AppContext.BaseDirectory, "Themes", "dark-theme.json"));

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/// <summary>Светлая тема: Themes/light-theme.json рядом с exe.</summary>

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public static string GetLightThemeJson() =>

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GetThemeJsonFromFile(Path.Combine(AppContext.BaseDirectory, "Themes", "light-theme.json"));

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/// <summary>Тема «как Cursor»: тёмная с акцентом #3794FF. Themes/cursor-like-theme.json.</summary>

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public static string GetCursorLikeThemeJson() =>

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GetThemeJsonFromFile(Path.Combine(AppContext.BaseDirectory, "Themes", "cursor-like-theme.json"));

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/// <summary>Тема Power Mode: неоново-тёмная «космическая» палитра (циан). Themes/power-theme.json.</summary>

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public static string GetPowerThemeJson() =>

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GetThemeJsonFromFile(Path.Combine(AppContext.BaseDirectory, "Themes", "power-theme.json"));

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/// <summary>Power cockpit по концепт-PNG: фиолет/янтарь/бирюза L1–L3, фуксийные каймы. Themes/power-cockpit-concept-theme.json.</summary>

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public static string GetPowerCockpitConceptThemeJson() =>

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GetThemeJsonFromFile(Path.Combine(AppContext.BaseDirectory, "Themes", "power-cockpit-concept-theme.json"));

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/// <summary>Ключи ресурсов в Application.Resources. Должны совпадать с App.axaml и DynamicResource в XAML.</summary>

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public static class Keys

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{

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public const string MainWindowBackground = "CascadeTheme.MainWindowBackground";

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public const string MenuBackground = "CascadeTheme.MenuBackground";

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public const string MenuForeground = "CascadeTheme.MenuForeground";

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public const string ButtonBackground = "CascadeTheme.ButtonBackground";

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public const string ButtonForeground = "CascadeTheme.ButtonForeground";

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public const string ButtonBorderBrush = "CascadeTheme.ButtonBorderBrush";

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public const string ButtonHoverBackground = "CascadeTheme.ButtonHoverBackground";

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public const string ButtonDisabledBackground = "CascadeTheme.ButtonDisabledBackground";

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public const string ButtonDisabledForeground = "CascadeTheme.ButtonDisabledForeground";

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public const string ToolbarBackground = "CascadeTheme.ToolbarBackground";

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public const string ToolbarTextForeground = "CascadeTheme.ToolbarTextForeground";

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public const string ToolbarErrorForeground = "CascadeTheme.ToolbarErrorForeground";

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public const string EditorBackground = "CascadeTheme.EditorBackground";

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public const string EditorForeground = "CascadeTheme.EditorForeground";

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public const string EditorSelectionBrush = "CascadeTheme.EditorSelectionBrush";

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public const string EditorSelectionForeground = "CascadeTheme.EditorSelectionForeground";

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public const string EditorColumnBorderBrush = "CascadeTheme.EditorColumnBorderBrush";

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public const string WorkspacePanelBorderBrush = "CascadeTheme.WorkspacePanelBorderBrush";

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public const string EditorColumnBackground = "CascadeTheme.EditorColumnBackground";

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public const string CurrentFileForeground = "CascadeTheme.CurrentFileForeground";

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public const string MarkdownPreviewPanelBackground = "CascadeTheme.MarkdownPreviewPanelBackground";

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public const string MarkdownPreviewPanelBorderBrush = "CascadeTheme.MarkdownPreviewPanelBorderBrush";

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public const string SolutionExplorerBorderBrush = "CascadeTheme.SolutionExplorerBorderBrush";

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public const string SolutionExplorerHeaderForeground = "CascadeTheme.SolutionExplorerHeaderForeground";

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public const string PanelChromeTitleForeground = "CascadeTheme.PanelChromeTitleForeground";

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public const string PanelTitleAccentBrush = "CascadeTheme.PanelTitleAccentBrush";

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public const string PanelChromeHeaderBackground = "CascadeTheme.PanelChromeHeaderBackground";

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public const string PanelChromeHeaderSeparatorBrush = "CascadeTheme.PanelChromeHeaderSeparatorBrush";

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public const string PanelChromeMenuGlyphForeground = "CascadeTheme.PanelChromeMenuGlyphForeground";

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public const string BuildOutputBackground = "CascadeTheme.BuildOutputBackground";

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public const string BuildOutputBorderBrush = "CascadeTheme.BuildOutputBorderBrush";

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public const string ChatPanelBackground = "CascadeTheme.ChatPanelBackground";

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public const string ChatLabelForeground = "CascadeTheme.ChatLabelForeground";

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public const string ChatMessageBubbleBackground = "CascadeTheme.ChatMessageBubbleBackground";

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public const string ChatMessageContentForeground = "CascadeTheme.ChatMessageContentForeground";

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public const string PanelBackgroundBrush = "CascadeTheme.PanelBackgroundBrush";

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public const string InsetSurfaceBackground = "CascadeTheme.InsetSurfaceBackground";

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public const string InsetSurfaceBorderBrush = "CascadeTheme.InsetSurfaceBorderBrush";

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public const string StatusChipBackground = "CascadeTheme.StatusChipBackground";

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public const string StatusChipBorderBrush = "CascadeTheme.StatusChipBorderBrush";

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public const string StatusChipForeground = "CascadeTheme.StatusChipForeground";

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public const string SendButtonBackground = "CascadeTheme.SendButtonBackground";

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public const string SendButtonForeground = "CascadeTheme.SendButtonForeground";

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public const string TerminalBackground = "CascadeTheme.TerminalBackground";

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public const string TerminalForeground = "CascadeTheme.TerminalForeground";

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public const string TerminalInputBackground = "CascadeTheme.TerminalInputBackground";

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public const string McpBannerBackground = "CascadeTheme.McpBannerBackground";

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public const string McpBannerForeground = "CascadeTheme.McpBannerForeground";

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public const string PreviewWindowBackground = "CascadeTheme.PreviewWindowBackground";

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/// <summary>Опционально: секция power_cockpit в JSON темы (неон, safety, Workspace Health).</summary>

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public const string PowerNeonBorder = "CascadeTheme.PowerNeonBorder";

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public const string PowerNeonAccent = "CascadeTheme.PowerNeonAccent";

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public const string PowerCockpitPanelBackground = "CascadeTheme.PowerCockpitPanelBackground";

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public const string PowerSafetyDockBackground = "CascadeTheme.PowerSafetyDockBackground";

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public const string PowerWorkspaceHealthStripBackground = "CascadeTheme.PowerWorkspaceHealthStripBackground";

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public const string PowerSafetyObserve = "CascadeTheme.PowerSafetyObserve";

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public const string PowerSafetyConfirm = "CascadeTheme.PowerSafetyConfirm";

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public const string PowerSafetyAutonomous = "CascadeTheme.PowerSafetyAutonomous";

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public const string PowerEmergency = "CascadeTheme.PowerEmergency";

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}

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/// <summary>Применить тему из JSON (формат ide_get_ui_theme). Вызывать из UI-потока. Возвращает "OK" или сообщение об ошибке (для ответа тулу ide_set_ui_theme).</summary>

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public static string Apply(string themeJson)

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{

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if (string.IsNullOrWhiteSpace(themeJson))

return "OK";

JsonDocument doc;

try

{

doc = JsonDocument.Parse(themeJson);

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}

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catch (JsonException ex)

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{

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var msg = $"Invalid JSON: {ex.Message}";

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System.Diagnostics.Debug.WriteLine($"ide_set_ui_theme: {msg}");

return msg;

}

using (doc)

{

var root = doc.RootElement;

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var res = GetResourceDictionary();

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if (res is null)

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return "Application resources not available.";

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Set(res, Keys.MainWindowBackground, GetColor(root, "main_window", "background"));

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Set(res, Keys.MenuBackground, GetColor(root, "menu", "background"));

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Set(res, Keys.MenuForeground, GetColor(root, "menu", "foreground"));

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Set(res, Keys.ButtonBackground, GetColor(root, "button", "background"));

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Set(res, Keys.ButtonForeground, GetColor(root, "button", "foreground"));

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Set(res, Keys.ButtonBorderBrush, GetColor(root, "button", "border_brush"));

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Set(res, Keys.ButtonHoverBackground, GetColor(root, "button", "hover_background"));

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Set(res, Keys.ButtonDisabledBackground, GetColor(root, "button", "disabled_background"));

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Set(res, Keys.ButtonDisabledForeground, GetColor(root, "button", "disabled_foreground"));

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Set(res, Keys.ToolbarBackground, GetColor(root, "toolbar", "background"));

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Set(res, Keys.ToolbarTextForeground, GetColor(root, "toolbar_text", "foreground"));

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Set(res, Keys.ToolbarErrorForeground, GetColor(root, "toolbar_text", "error_foreground"));

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Set(res, Keys.EditorBackground, GetColor(root, "editor", "background"));

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Set(res, Keys.EditorForeground, GetColor(root, "editor", "foreground"));

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Set(res, Keys.EditorSelectionBrush, GetColor(root, "editor", "selection_brush"));

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Set(res, Keys.EditorSelectionForeground, GetColor(root, "editor", "selection_foreground"));

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Set(res, Keys.EditorColumnBorderBrush, GetColor(root, "editor_column", "border_brush"));

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Set(res, Keys.WorkspacePanelBorderBrush, GetWorkspacePanelBorderBrush(root));

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Set(res, Keys.EditorColumnBackground, GetColor(root, "editor_column", "background"));

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Set(res, Keys.CurrentFileForeground, GetColor(root, "editor_column", "current_file_foreground"));

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Set(res, Keys.MarkdownPreviewPanelBackground, GetColor(root, "markdown_preview_panel", "background"));

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Set(res, Keys.MarkdownPreviewPanelBorderBrush, GetColor(root, "markdown_preview_panel", "border_brush"));

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Set(res, Keys.SolutionExplorerBorderBrush, GetColor(root, "solution_explorer", "border_brush"));

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Set(res, Keys.SolutionExplorerHeaderForeground, GetColor(root, "solution_explorer", "header_foreground"));

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Set(res, Keys.PanelChromeTitleForeground, GetColor(root, "panel_chrome", "title_foreground"));

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Set(res, Keys.PanelTitleAccentBrush, GetColor(root, "panel_chrome", "accent_brush"));

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Set(res, Keys.PanelChromeHeaderBackground, GetColor(root, "panel_chrome", "header_background"));

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Set(res, Keys.PanelChromeHeaderSeparatorBrush, GetColor(root, "panel_chrome", "header_separator"));

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Set(res, Keys.PanelChromeMenuGlyphForeground, GetColor(root, "panel_chrome", "menu_glyph_foreground"));

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Set(res, Keys.BuildOutputBackground, GetColor(root, "build_output", "background"));

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Set(res, Keys.BuildOutputBorderBrush, GetColor(root, "build_output", "border_brush"));

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Set(res, Keys.ChatPanelBackground, GetColor(root, "chat_panel", "background"));

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Set(res, Keys.ChatLabelForeground, GetColor(root, "chat_panel", "label_foreground"));

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Set(res, Keys.ChatMessageBubbleBackground, GetColor(root, "chat_panel", "message_bubble_background"));

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Set(res, Keys.ChatMessageContentForeground, GetColor(root, "chat_panel", "message_content_foreground"));

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Set(res, Keys.PanelBackgroundBrush, GetIdeChromeColor(root, "panel_background")

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?? GetColor(root, "chat_panel", "message_bubble_background"));

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Set(res, Keys.InsetSurfaceBackground, GetIdeChromeColor(root, "inset_surface_background"));

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Set(res, Keys.InsetSurfaceBorderBrush, GetIdeChromeColor(root, "inset_surface_border_brush"));

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Set(res, Keys.StatusChipBackground, GetIdeChromeColor(root, "status_chip_background"));

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Set(res, Keys.StatusChipBorderBrush, GetIdeChromeColor(root, "status_chip_border_brush"));

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Set(res, Keys.StatusChipForeground, GetIdeChromeColor(root, "status_chip_foreground"));

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Set(res, Keys.SendButtonBackground, GetColor(root, "chat_panel", "send_button_background"));

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Set(res, Keys.SendButtonForeground, GetColor(root, "chat_panel", "send_button_foreground"));

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Set(res, Keys.TerminalBackground, GetColor(root, "terminal", "background"));

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Set(res, Keys.TerminalForeground, GetColor(root, "terminal", "foreground"));

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Set(res, Keys.TerminalInputBackground, GetColor(root, "terminal", "input_background"));

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Set(res, Keys.McpBannerBackground, GetColor(root, "mcp_banner", "background"));

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Set(res, Keys.McpBannerForeground, GetColor(root, "mcp_banner", "foreground"));

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Set(res, Keys.PreviewWindowBackground, GetColor(root, "preview_window", "background"));

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if (root.TryGetProperty("power_cockpit", out var pc))

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{

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Set(res, Keys.PowerNeonBorder, GetColorFrom(pc, "neon_border"));

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Set(res, Keys.PowerNeonAccent, GetColorFrom(pc, "neon_accent"));

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Set(res, Keys.PowerCockpitPanelBackground, GetColorFrom(pc, "panel_background"));

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Set(res, Keys.PowerSafetyDockBackground, GetColorFrom(pc, "safety_dock_background"));

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Set(res, Keys.PowerWorkspaceHealthStripBackground, GetColorFrom(pc, "workspace_health_strip_background"));

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Set(res, Keys.PowerSafetyObserve, GetColorFrom(pc, "safety_observe"));

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Set(res, Keys.PowerSafetyConfirm, GetColorFrom(pc, "safety_confirm"));

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Set(res, Keys.PowerSafetyAutonomous, GetColorFrom(pc, "safety_autonomous"));

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Set(res, Keys.PowerEmergency, GetColorFrom(pc, "emergency"));

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}

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ThemeApplied?.Invoke(null, EventArgs.Empty);

return "OK";

}

}

private static string? GetColorFrom(JsonElement parent, string prop)

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{

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return parent.TryGetProperty(prop, out var p) ? p.GetString() : null;

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}

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/// <summary>Запустить применение темы в UI-потоке и вернуть результат (для вызова из MCP).</summary>

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public static async Task<string> ApplyOnUiThreadAsync(string themeJson)

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{

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var json = themeJson ?? "";

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return await UiScheduler.Default.InvokeAsync(() => Apply(json));

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}

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private static Avalonia.Controls.IResourceDictionary? GetResourceDictionary()

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{

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return Avalonia.Application.Current?.Resources;

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}

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/// <summary>Рамки рабочей области: workspace_layout.border_brush или, если нет, editor_column.border_brush.</summary>

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private static string? GetWorkspacePanelBorderBrush(JsonElement root)

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{

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var w = GetColor(root, "workspace_layout", "border_brush");

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return !string.IsNullOrEmpty(w) ? w : GetColor(root, "editor_column", "border_brush");

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}

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private static string? GetColor(JsonElement root, string obj, string prop)

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{

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if (root.TryGetProperty(obj, out var o) && o.TryGetProperty(prop, out var p))

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return p.GetString();

return null;

}

private static string? GetIdeChromeColor(JsonElement root, string prop) =>

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GetColor(root, "ide_chrome", prop);

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private static void Set(Avalonia.Controls.IResourceDictionary res, string key, string? hex)

268

{

269

if (string.IsNullOrEmpty(hex))

return;

try

{

var brush = SolidColorBrush.Parse(hex);

res[key] = brush;

}

catch

{

// ignore invalid color

}

}

}