feat: Implemented syntax styles

Treesitter integration implemented! But tests are failing, need to
resolve that.

internal/editor/model_builder.go

@@ -15,6 +15,7 @@ type ModelBuilder struct {
 // NewModelBuilder: Builds and returns a new model, using the default color scheme (kanagawa-wave).
 func NewModelBuilder() *ModelBuilder {
 	editorStyles := style.DefaultStyles()
+	editorTheme := themes.NewDefaultTheme()
 
 	return &ModelBuilder{
 		model: Model{
@@ -34,8 +35,8 @@ func NewModelBuilder() *ModelBuilder {
 			settings:       core.NewDefaultSettings(),
 			registers:      core.DefaultRegisters(),
 			styles:         editorStyles,
-			syntax:         syntax.NewTreeSitterEngine(editorStyles),
-			theme:          themes.NewDefaultTheme(),
+			syntax:         syntax.NewTreeSitterEngine(editorTheme),
+			theme:          editorTheme,
 		},
 	}
 }

internal/editor/view.go

@@ -31,8 +31,8 @@ func (m Model) View() string {
 	// Draw window
 	view := viewWindow(win, t, options, m.Mode(), m.Syntax())
 
-	// Command bar is seperate
-	cmdBar := drawCommandBar(m)
+	// Command bar is separate
+	cmdBar := drawCommandBar(m, t)
 	view += cmdBar
 
 	// Handle command output, draw on top
@@ -225,38 +225,37 @@ func rightBar(w *core.Window, mode core.Mode, t theme.EditorTheme) (bar string)
 
 // drawCommandBar: Renders the command line showing command input, errors, or
 // output depending on the current mode and state.
-func drawCommandBar(m Model) string {
-	styles := m.Styles()
+func drawCommandBar(m Model, t theme.EditorTheme) string {
 
 	// Compute left bar (command side)
 	var leftBar string
 	if m.Mode() == core.CommandMode {
-		leftBar = styles.LineStyle.Render(":")
+		leftBar = t.Line.Render(":")
 		cmd := []rune(m.Command())
 		cur := m.CommandCursor()
 		for i, r := range cmd {
 			if i == cur {
-				leftBar += styles.DefaultCursorStyle(m.Mode()).Render(string(r))
+				leftBar += t.DefaultCursor(m.Mode()).Render(string(r))
 			} else {
-				leftBar += styles.LineStyle.Render(string(r))
+				leftBar += t.Line.Render(string(r))
 			}
 		}
 		// Cursor at end of command
 		if cur >= len(cmd) {
-			leftBar += styles.DefaultCursorStyle(m.Mode()).Render(" ")
+			leftBar += t.DefaultCursor(m.Mode()).Render(" ")
 		}
 		// bar = fmt.Sprintf("%s  %d", bar, cur)
 	} else if out := m.CommandOutput(); out != nil && len(out.Lines) > 0 && out.Inline {
 		// TODO: This is not perfect, temporary
 		text := strings.Join(out.Lines, " ")
 		if out.IsError {
-			leftBar = styles.CommandError.Render(text)
+			leftBar = t.CommandLine.Error.Render(text)
 		} else {
-			leftBar = styles.LineStyle.Render(text)
+			leftBar = t.Line.Render(text)
 		}
 	} else if strings.TrimSpace(m.Command()) != "" {
 		content := fmt.Sprintf(":%s", m.Command())
-		leftBar = styles.LineStyle.Render(content) //
+		leftBar = t.Line.Render(content)
 	}
 
 	// Compute right bar
@@ -265,12 +264,12 @@ func drawCommandBar(m Model) string {
 	if len(m.input.Pending()) > 0 {
 		width := 10 // Size of the block to display
 		content := fmt.Sprintf("%-*s", width, m.input.Pending())
-		rightBar = styles.LineStyle.Render(content)
+		rightBar = t.Line.Render(content)
 	}
 
 	dif := m.termWidth - (lipgloss.Width(leftBar) + lipgloss.Width(rightBar))
 
-	bar := leftBar + strings.Repeat(styles.BackgroundStyle.Render(" "), max(0, dif)) + rightBar
+	bar := leftBar + strings.Repeat(t.Background.Render(" "), max(0, dif)) + rightBar
 	return bar
 }
 

internal/syntax/treesitter.go

@@ -5,7 +5,7 @@ import (
 	"sort"
 
 	"git.gophernest.net/azpect/TextEditor/internal/core"
-	"git.gophernest.net/azpect/TextEditor/internal/style"
+	"git.gophernest.net/azpect/TextEditor/internal/theme"
 	"github.com/charmbracelet/lipgloss"
 	sitter "github.com/tree-sitter/go-tree-sitter"
 )
@@ -20,8 +20,8 @@ import (
 //
 // Cached styles are represented as one style per rune for each line.
 type TreeSitterEngine struct {
-	styles   style.Styles
-	registry *languageRegistry
+	editorTheme theme.EditorTheme
+	registry    *languageRegistry
 
 	cache map[*core.Buffer]*bufferCache
 }
@@ -72,11 +72,11 @@ type captureRange struct {
 //
 // Language support is resolved through the language registry, so the engine can
 // work with any language/query pair registered there.
-func NewTreeSitterEngine(styles style.Styles) *TreeSitterEngine {
+func NewTreeSitterEngine(t theme.EditorTheme) *TreeSitterEngine {
 	return &TreeSitterEngine{
-		styles:   styles,
-		registry: newLanguageRegistry(),
-		cache:    map[*core.Buffer]*bufferCache{},
+		editorTheme: t,
+		registry:    newLanguageRegistry(),
+		cache:       map[*core.Buffer]*bufferCache{},
 	}
 }
 
@@ -138,7 +138,7 @@ func (e *TreeSitterEngine) LineStyleMap(buf *core.Buffer, line int) []lipgloss.S
 	runes := []rune(buf.Line(line))
 	out := make([]lipgloss.Style, len(runes))
 	for i := range out {
-		out[i] = e.styles.LineStyle
+		out[i] = e.editorTheme.Line
 	}
 	bc.lines[line] = out
 	return out
@@ -312,13 +312,13 @@ func (e *TreeSitterEngine) buildFullBuffer(buf *core.Buffer, bc *bufferCache) {
 	if fullRebuild {
 		bc.lines = map[int][]lipgloss.Style{}
 		for i := range lineCount {
-			bc.lines[i] = defaultLineStyles(lines[i], e.styles.LineStyle)
+			bc.lines[i] = defaultLineStyles(lines[i], e.editorTheme.Line)
 		}
 	} else {
 		dirty := normalizedDirtyRanges(bc.dirty, lineCount)
 		for _, r := range dirty {
 			for i := r.start; i <= r.end; i++ {
-				bc.lines[i] = defaultLineStyles(lines[i], e.styles.LineStyle)
+				bc.lines[i] = defaultLineStyles(lines[i], e.editorTheme.Line)
 			}
 		}
 	}
@@ -397,7 +397,7 @@ func (e *TreeSitterEngine) buildFullBuffer(buf *core.Buffer, bc *bufferCache) {
 	// rewrites.
 	targetDirty := normalizedDirtyRanges(bc.dirty, lineCount)
 	for _, c := range captures {
-		sty := style.CaptureStyle(e.styles.LineStyle, c.name)
+		sty := e.editorTheme.CaptureStyle(c.name)
 		for row := c.startRow; row <= c.endRow; row++ {
 			if int(row) >= len(lines) {
 				break

internal/theme/theme.go

@@ -1,6 +1,8 @@
 package theme
 
 import (
+	"strings"
+
 	"git.gophernest.net/azpect/TextEditor/internal/core"
 	"github.com/charmbracelet/lipgloss"
 )
@@ -13,6 +15,7 @@ type EditorTheme struct {
 	CommandLine      CommandLineTheme
 	Line             lipgloss.Style
 	Background       lipgloss.Style
+	Syntax           SyntaxTheme
 }
 
 type CursorTheme struct {
@@ -37,6 +40,11 @@ type CommandLineTheme struct {
 	ContinueMessage lipgloss.Style
 }
 
+type SyntaxTheme struct {
+	Exact map[string]lipgloss.Style
+	Group map[string]lipgloss.Style
+}
+
 func (t EditorTheme) Cursor(mode core.Mode, textStyle lipgloss.Style) lipgloss.Style {
 	bg := textStyle.GetBackground()
 	fg := textStyle.GetForeground()
@@ -75,3 +83,23 @@ func (t EditorTheme) VisualHighlightWithTextColor(textStyle lipgloss.Style) lipg
 	return t.VisualHightlight.
 		Foreground(textStyle.GetForeground())
 }
+
+// Use base (Line) as fallback. Every style will use the background from the base (Line).
+//
+// NOTE: Maybe we keep background on the mapping? Not sure for now
+func (t EditorTheme) CaptureStyle(capture string) lipgloss.Style {
+	base := t.Line
+
+	exact := strings.ToLower(strings.TrimSpace(capture))
+	group := strings.Split(exact, ".")[0]
+
+	if sty, ok := t.Syntax.Exact[exact]; ok {
+		return sty.Background(base.GetBackground())
+	}
+
+	if sty, ok := t.Syntax.Group[group]; ok {
+		return sty.Background(base.GetBackground())
+	}
+
+	return base
+}

internal/theme/themes/default.go

@@ -1,12 +1,14 @@
 package themes
 
 import (
+	"strings"
+
 	"git.gophernest.net/azpect/TextEditor/internal/theme"
 	"github.com/charmbracelet/lipgloss"
 )
 
-const background = lipgloss.Color("#1f2335")
-const foreground = lipgloss.Color("#dcd7ba")
+const background = lipgloss.Color("#111418")
+const foreground = lipgloss.Color("#d4d8e1")
 
 func NewDefaultTheme() theme.EditorTheme {
 	hightlight := lipgloss.NewStyle().
@@ -27,6 +29,7 @@ func NewDefaultTheme() theme.EditorTheme {
 		CommandLine:      newDefaultCommandLineTheme(),
 		Line:             line,
 		Background:       background,
+		Syntax:           newDefaultSyntaxTheme(),
 	}
 }
 
@@ -51,19 +54,19 @@ func newDefaultCursorTheme() theme.CursorTheme {
 
 func newDefaultGutterTheme() theme.GutterTheme {
 	base := lipgloss.NewStyle().
-		Background(lipgloss.Color("#181b2a")).
-		Foreground(lipgloss.Color("#7e8399"))
+		Background(lipgloss.Color("#0d1014")).
+		Foreground(lipgloss.Color("#6b7280"))
 
 	return theme.GutterTheme{
 		Default:     base,
-		CurrentLine: base.Foreground(lipgloss.Color("#f6c384")),
+		CurrentLine: base.Foreground(lipgloss.Color("#c0c8d8")),
 	}
 }
 
 func newDefaultStatusBarTheme() theme.StatusBarTheme {
 	bar := lipgloss.NewStyle().
-		Background(lipgloss.Color("#181b2a")).
-		Foreground(lipgloss.Color("#8ea4a2"))
+		Background(lipgloss.Color("#0d1014")).
+		Foreground(lipgloss.Color("#8f99aa"))
 
 	return theme.StatusBarTheme{
 		Default: bar,
@@ -76,8 +79,118 @@ func newDefaultCommandLineTheme() theme.CommandLineTheme {
 		Background(background)
 
 	return theme.CommandLineTheme{
-		Error:           base.Foreground(lipgloss.Color("#e82424")),
-		OutputBorder:    base.Background(lipgloss.Color("#11131d")),
-		ContinueMessage: base.Foreground(lipgloss.Color("#7aa2f7")),
+		Error:           base.Foreground(lipgloss.Color("#bf616a")),
+		OutputBorder:    base.Background(lipgloss.Color("#0d1014")),
+		ContinueMessage: base.Foreground(lipgloss.Color("#81a1c1")),
 	}
 }
+
+func newDefaultSyntaxTheme() theme.SyntaxTheme {
+	exact := map[string]lipgloss.Style{
+		"attribute.builtin":           color("#ebcb8b"),
+		"character.special":           color("#d08770"),
+		"comment.documentation":       color("#8f99aa"),
+		"constant.builtin":            color("#88c0d0"),
+		"constant.macro":              color("#d08770"),
+		"function.builtin":            color("#88c0d0"),
+		"function.call":               color("#81a1c1"),
+		"function.macro":              color("#d08770"),
+		"function.method":             color("#81a1c1"),
+		"function.method.call":        color("#81a1c1"),
+		"keyword.conditional":         color("#b48ead"),
+		"keyword.conditional.ternary": color("#b48ead"),
+		"keyword.coroutine":           color("#b48ead"),
+		"keyword.debug":               color("#b48ead"),
+		"keyword.directive":           color("#b48ead"),
+		"keyword.directive.define":    color("#b48ead"),
+		"keyword.exception":           color("#b48ead"),
+		"keyword.function":            color("#b48ead"),
+		"keyword.import":              color("#b48ead"),
+		"keyword.modifier":            color("#b48ead"),
+		"keyword.operator":            color("#d08770"),
+		"keyword.repeat":              color("#b48ead"),
+		"keyword.return":              color("#b48ead"),
+		"keyword.type":                color("#ebcb8b"),
+		"markup.heading":              color("#ebcb8b"),
+		"markup.heading.1":            color("#ebcb8b"),
+		"markup.heading.2":            color("#e5c68a"),
+		"markup.heading.3":            color("#ddbe88"),
+		"markup.heading.4":            color("#d5b686"),
+		"markup.heading.5":            color("#cdaf84"),
+		"markup.heading.6":            color("#c5a883"),
+		"markup.italic":               color("#c0c8d8"),
+		"markup.link.label":           color("#81a1c1"),
+		"markup.raw":                  color("#a3be8c"),
+		"markup.strikethrough":        color("#7f8795"),
+		"markup.strong":               color("#ebcb8b"),
+		"markup.underline":            color("#88c0d0"),
+		"module.builtin":              color("#88c0d0"),
+		"number.float":                color("#88c0d0"),
+		"punctuation.bracket":         color("#9aa4b2"),
+		"punctuation.delimiter":       color("#9aa4b2"),
+		"punctuation.special":         color("#d08770"),
+		"string.documentation":        color("#a3be8c"),
+		"string.escape":               color("#d08770"),
+		"string.regexp":               color("#88c0d0"),
+		"string.special.path":         color("#a3be8c"),
+		"string.special.symbol":       color("#88c0d0"),
+		"string.special.url":          color("#88c0d0"),
+		"tag.attribute":               color("#ebcb8b"),
+		"tag.attribute.url":           color("#88c0d0"),
+		"tag.builtin":                 color("#81a1c1"),
+		"tag.delimiter":               color("#9aa4b2"),
+		"type.builtin":                color("#ebcb8b"),
+		"type.definition":             color("#ebcb8b"),
+		"variable.builtin":            color("#8fbcbb"),
+		"variable.member":             color("#c0c8d8"),
+		"variable.parameter":          color("#c0c8d8"),
+	}
+
+	group := map[string]lipgloss.Style{
+		"attribute":   color("#ebcb8b"),
+		"boolean":     color("#88c0d0"),
+		"character":   color("#a3be8c"),
+		"charset":     color("#ebcb8b"),
+		"comment":     color("#7f8795"),
+		"conceal":     color("#7f8795"),
+		"constant":    color("#88c0d0"),
+		"constructor": color("#ebcb8b"),
+		"error":       color("#bf616a"),
+		"function":    color("#81a1c1"),
+		"import":      color("#b48ead"),
+		"interface":   color("#ebcb8b"),
+		"keyframes":   color("#d08770"),
+		"keyword":     color("#b48ead"),
+		"label":       color("#d08770"),
+		"media":       color("#d08770"),
+		"module":      color("#81a1c1"),
+		"namespace":   color("#81a1c1"),
+		"none":        color("#d4d8e1"),
+		"nospell":     color("#d4d8e1"),
+		"number":      color("#88c0d0"),
+		"operator":    color("#9aa4b2"),
+		"property":    color("#c0c8d8"),
+		"spell":       color("#d4d8e1"),
+		"string":      color("#a3be8c"),
+		"supports":    color("#d08770"),
+		"tag":         color("#81a1c1"),
+		"type":        color("#ebcb8b"),
+		"variable":    color("#d4d8e1"),
+	}
+
+	return theme.SyntaxTheme{
+		Exact: exact,
+		Group: group,
+	}
+}
+
+// Simple helper to create a lipgloss style with the provided foreground
+func color(c string) lipgloss.Style {
+	col := foreground
+	if strings.TrimSpace(c) != "" {
+		col = lipgloss.Color(c)
+	}
+	return lipgloss.NewStyle().
+		Background(background).
+		Foreground(col)
+}