feat(tui): custom themes

packages/tui/internal/theme/manager.go

@@ -2,13 +2,11 @@ package theme
 
 import (
 	"fmt"
-	"log/slog"
 	"slices"
 	"strings"
 	"sync"
 
 	"github.com/alecthomas/chroma/v2/styles"
-	// "github.com/alecthomas/chroma/v2/styles"
 )
 
 // Manager handles theme registration, selection, and retrieval.
@@ -25,9 +23,6 @@ var globalManager = &Manager{
 	currentName: "",
 }
 
-// Default theme instance for custom theme defaulting
-var defaultThemeColors = NewOpenCodeTheme()
-
 // RegisterTheme adds a new theme to the registry.
 // If this is the first theme registered, it becomes the default.
 func RegisterTheme(name string, theme Theme) {
@@ -89,6 +84,7 @@ func AvailableThemes() []string {
 		names = append(names, name)
 	}
 	slices.SortFunc(names, func(a, b string) int {
+		// list system theme first
 		if a == "opencode" {
 			return -1
 		} else if b == "opencode" {
@@ -107,130 +103,3 @@ func GetTheme(name string) Theme {
 
 	return globalManager.themes[name]
 }
-
-// LoadCustomTheme creates a new theme instance based on the custom theme colors
-// defined in the configuration. It uses the default OpenCode theme as a base
-// and overrides colors that are specified in the customTheme map.
-func LoadCustomTheme(customTheme map[string]any) (Theme, error) {
-	// Create a new theme based on the default OpenCode theme
-	theme := NewOpenCodeTheme()
-
-	// Process each color in the custom theme map
-	for key, value := range customTheme {
-		adaptiveColor, err := ParseAdaptiveColor(value)
-		if err != nil {
-			slog.Warn("Invalid color definition in custom theme", "key", key, "error", err)
-			continue // Skip this color but continue processing others
-		}
-
-		// Set the color in the theme based on the key
-		switch strings.ToLower(key) {
-		case "primary":
-			theme.PrimaryColor = adaptiveColor
-		case "secondary":
-			theme.SecondaryColor = adaptiveColor
-		case "accent":
-			theme.AccentColor = adaptiveColor
-		case "error":
-			theme.ErrorColor = adaptiveColor
-		case "warning":
-			theme.WarningColor = adaptiveColor
-		case "success":
-			theme.SuccessColor = adaptiveColor
-		case "info":
-			theme.InfoColor = adaptiveColor
-		case "text":
-			theme.TextColor = adaptiveColor
-		case "textmuted":
-			theme.TextMutedColor = adaptiveColor
-		case "background":
-			theme.BackgroundColor = adaptiveColor
-		case "backgroundsubtle":
-			theme.BackgroundPanelColor = adaptiveColor
-		case "backgroundelement":
-			theme.BackgroundElementColor = adaptiveColor
-		case "border":
-			theme.BorderColor = adaptiveColor
-		case "borderactive":
-			theme.BorderActiveColor = adaptiveColor
-		case "bordersubtle":
-			theme.BorderSubtleColor = adaptiveColor
-		case "diffadded":
-			theme.DiffAddedColor = adaptiveColor
-		case "diffremoved":
-			theme.DiffRemovedColor = adaptiveColor
-		case "diffcontext":
-			theme.DiffContextColor = adaptiveColor
-		case "diffhunkheader":
-			theme.DiffHunkHeaderColor = adaptiveColor
-		case "diffhighlightadded":
-			theme.DiffHighlightAddedColor = adaptiveColor
-		case "diffhighlightremoved":
-			theme.DiffHighlightRemovedColor = adaptiveColor
-		case "diffaddedbg":
-			theme.DiffAddedBgColor = adaptiveColor
-		case "diffremovedbg":
-			theme.DiffRemovedBgColor = adaptiveColor
-		case "diffcontextbg":
-			theme.DiffContextBgColor = adaptiveColor
-		case "difflinenumber":
-			theme.DiffLineNumberColor = adaptiveColor
-		case "diffaddedlinenumberbg":
-			theme.DiffAddedLineNumberBgColor = adaptiveColor
-		case "diffremovedlinenumberbg":
-			theme.DiffRemovedLineNumberBgColor = adaptiveColor
-		case "syntaxcomment":
-			theme.SyntaxCommentColor = adaptiveColor
-		case "syntaxkeyword":
-			theme.SyntaxKeywordColor = adaptiveColor
-		case "syntaxfunction":
-			theme.SyntaxFunctionColor = adaptiveColor
-		case "syntaxvariable":
-			theme.SyntaxVariableColor = adaptiveColor
-		case "syntaxstring":
-			theme.SyntaxStringColor = adaptiveColor
-		case "syntaxnumber":
-			theme.SyntaxNumberColor = adaptiveColor
-		case "syntaxtype":
-			theme.SyntaxTypeColor = adaptiveColor
-		case "syntaxoperator":
-			theme.SyntaxOperatorColor = adaptiveColor
-		case "syntaxpunctuation":
-			theme.SyntaxPunctuationColor = adaptiveColor
-		case "markdowntext":
-			theme.MarkdownTextColor = adaptiveColor
-		case "markdownheading":
-			theme.MarkdownHeadingColor = adaptiveColor
-		case "markdownlink":
-			theme.MarkdownLinkColor = adaptiveColor
-		case "markdownlinktext":
-			theme.MarkdownLinkTextColor = adaptiveColor
-		case "markdowncode":
-			theme.MarkdownCodeColor = adaptiveColor
-		case "markdownblockquote":
-			theme.MarkdownBlockQuoteColor = adaptiveColor
-		case "markdownemph":
-			theme.MarkdownEmphColor = adaptiveColor
-		case "markdownstrong":
-			theme.MarkdownStrongColor = adaptiveColor
-		case "markdownhorizontalrule":
-			theme.MarkdownHorizontalRuleColor = adaptiveColor
-		case "markdownlistitem":
-			theme.MarkdownListItemColor = adaptiveColor
-		case "markdownlistitemenum":
-			theme.MarkdownListEnumerationColor = adaptiveColor
-		case "markdownimage":
-			theme.MarkdownImageColor = adaptiveColor
-		case "markdownimagetext":
-			theme.MarkdownImageTextColor = adaptiveColor
-		case "markdowncodeblock":
-			theme.MarkdownCodeBlockColor = adaptiveColor
-		case "markdownlistenumeration":
-			theme.MarkdownListEnumerationColor = adaptiveColor
-		default:
-			slog.Warn("Unknown color key in custom theme", "key", key)
-		}
-	}
-
-	return theme, nil
-}