Engage!

1 files changed, 159 insertions, 0 deletions

diff --git a/theme.go b/theme.go
new file mode 100644
index 0000000..544af8a
--- /dev/null
+++ b/theme.go
@@ -0,0 +1,159 @@
+package main
+
+// Color palette and theme used by the editor. Maps semantic color names (like
+// ColorNormalMode) to specific terminal attributes (foreground and background).
+
+import "github.com/nsf/termbox-go"
+
+// To see available colors execute `qwe -colors`.
+
+// Color represents a pair of foreground and background terminal attributes.
+type Color struct {
+	Background termbox.Attribute
+	Foreground termbox.Attribute
+}
+
+// ColorName is an enum-like type for semantic color identifiers.
+type ColorName int
+
+const (
+	ColorDefault ColorName = iota // Default terminal colors.
+	ColorSourceString
+	ColorSourceKeyword
+	ColorSourceNumber
+	ColorSourceComment
+	ColorSourceMacro
+	ColorSourceOther
+
+	ColorAnnotationTodo  // Highlighting for TODO comments.
+	ColorAnnotationFixme // Highlighting for FIXME comments.
+
+	ColorStatusBar           // Main status bar at the bottom.
+	ColorDebugWindow         // Overlay window for logs/debug info.
+	ColorNormalMode          // Status bar indicator for Normal mode.
+	ColorInsertMode          // Status bar indicator for Insert mode.
+	ColorHighlightedLine     // Background for the line where the cursor is.
+	ColorVisualModeSelection // Selection color in all visual modes.
+	ColorVisualMode          // Status bar indicator for Visual mode.
+	ColorSearchMatch         // Highlighting for found search terms.
+	ColorReplaceMatch        // Highlighting for replacement targets.
+	ColorCursor              // The color of the cursor itself.
+
+	ColorGutterLineNumber   // Line numbers in the left gutter.
+	ColorGutterSignError    // LSP error icons in the gutter.
+	ColorGutterSignWarning  // LSP warning icons in the gutter.
+	ColorGutterSignInfo     // LSP info icons in the gutter.
+	ColorGutterSignHint     // LSP hint icons in the gutter.
+	ColorFuzzyResult        // Plain text in fuzzy finder results.
+	ColorFuzzySelected      // Highlighted item in fuzzy finder.
+	ColorEmptyLineMarker    // The '~' marker for lines beyond EOF.
+	ColorDebugTitle         // Header for the debug window.
+	ColorDiagSummaryError   // Error count in the status bar.
+	ColorDiagSummaryWarning // Warning count in the status bar.
+	ColorFuzzyModeBuffers   // Indicator that fuzzy finder is searching buffers.
+	ColorFuzzyModeFiles     // Indicator that fuzzy finder is searching files.
+	ColorFuzzyModeWarnings  // Indicator that fuzzy finder is searching diagnostics.
+
+	// Colors for Tree-sitter syntax highlighting.
+	ColorTSFunction
+	ColorTSVariable
+	ColorTSType
+	ColorTSString
+	ColorTSKeyword
+	ColorTSComment
+	ColorTSNumber
+	ColorTSBoolean
+	ColorTSNull
+	ColorTSProperty
+	ColorTSTag
+	ColorTSAttribute
+	ColorTSConstant
+
+	// External service status indicators.
+	ColorLSPStatusConnected
+	ColorLSPStatusDisconnected
+	ColorOllamaStatusConnected
+	ColorOllamaStatusDisconnected
+
+	ColorHoverWindow // LSP hover information popup.
+	ColorAutocompleteWindow
+	ColorAutocompleteSelected
+)
+
+// Theme maps each ColorName to its actual visual attributes.
+var Theme = map[ColorName]Color{
+	ColorDefault: {Background: termbox.ColorDefault, Foreground: termbox.Attribute(254)},
+
+	// Annotations
+	ColorAnnotationTodo:  {Background: termbox.Attribute(221), Foreground: termbox.Attribute(1)},
+	ColorAnnotationFixme: {Background: termbox.Attribute(142), Foreground: termbox.Attribute(1)},
+
+	// Status bar
+	ColorStatusBar: {Background: termbox.Attribute(250), Foreground: termbox.Attribute(1)},
+
+	// Debug window
+	ColorDebugWindow: {Background: termbox.Attribute(19), Foreground: termbox.Attribute(16)},
+
+	// UI colors
+	ColorNormalMode:          {Background: termbox.Attribute(250), Foreground: termbox.Attribute(1)},
+	ColorInsertMode:          {Background: termbox.Attribute(58), Foreground: termbox.Attribute(255)},
+	ColorHighlightedLine:     {Background: termbox.Attribute(235), Foreground: termbox.ColorDefault},
+	ColorVisualModeSelection: {Background: termbox.Attribute(46), Foreground: termbox.Attribute(1)},
+	ColorVisualMode:          {Background: termbox.Attribute(30), Foreground: termbox.Attribute(16)},
+	ColorSearchMatch:         {Background: termbox.Attribute(166), Foreground: termbox.Attribute(1)},
+	ColorReplaceMatch:        {Background: termbox.Attribute(221), Foreground: termbox.Attribute(1)},
+	ColorCursor:              {Background: termbox.Attribute(252), Foreground: termbox.ColorWhite},
+
+	ColorGutterLineNumber:  {Background: termbox.ColorDefault, Foreground: termbox.Attribute(244)},
+	ColorGutterSignError:   {Background: termbox.Attribute(125), Foreground: termbox.Attribute(16)},
+	ColorGutterSignWarning: {Background: termbox.Attribute(221), Foreground: termbox.Attribute(1)},
+	ColorGutterSignInfo:    {Background: termbox.Attribute(221), Foreground: termbox.Attribute(1)},
+	ColorGutterSignHint:    {Background: termbox.Attribute(221), Foreground: termbox.Attribute(1)},
+
+	ColorFuzzyResult:       {Background: termbox.ColorDefault, Foreground: termbox.Attribute(254)},
+	ColorFuzzySelected:     {Background: termbox.Attribute(236), Foreground: termbox.Attribute(254)},
+	ColorFuzzyModeBuffers:  {Background: termbox.Attribute(125), Foreground: termbox.Attribute(255)},
+	ColorFuzzyModeFiles:    {Background: termbox.Attribute(125), Foreground: termbox.Attribute(255)},
+	ColorFuzzyModeWarnings: {Background: termbox.Attribute(33), Foreground: termbox.Attribute(255)},
+
+	ColorEmptyLineMarker: {Background: termbox.ColorDefault, Foreground: termbox.Attribute(244)},
+
+	ColorDebugTitle:         {Background: termbox.Attribute(19), Foreground: termbox.Attribute(215)},
+	ColorDiagSummaryError:   {Background: termbox.ColorDefault, Foreground: termbox.Attribute(166)},
+	ColorDiagSummaryWarning: {Background: termbox.ColorDefault, Foreground: termbox.Attribute(221)},
+
+	// Tree-sitter
+	ColorTSFunction:  {Background: termbox.ColorDefault, Foreground: termbox.Attribute(3)},
+	ColorTSVariable:  {Background: termbox.ColorDefault, Foreground: termbox.Attribute(255)},
+	ColorTSType:      {Background: termbox.ColorDefault, Foreground: termbox.Attribute(112)},
+	ColorTSString:    {Background: termbox.ColorDefault, Foreground: termbox.Attribute(37)},
+	ColorTSKeyword:   {Background: termbox.ColorDefault, Foreground: termbox.Attribute(178)},
+	ColorTSComment:   {Background: termbox.ColorDefault, Foreground: termbox.Attribute(244)},
+	ColorTSNumber:    {Background: termbox.ColorDefault, Foreground: termbox.Attribute(135)},
+	ColorTSBoolean:   {Background: termbox.ColorDefault, Foreground: termbox.Attribute(2)},
+	ColorTSNull:      {Background: termbox.ColorDefault, Foreground: termbox.Attribute(135)},
+	ColorTSProperty:  {Background: termbox.ColorDefault, Foreground: termbox.Attribute(230)},
+	ColorTSTag:       {Background: termbox.ColorDefault, Foreground: termbox.Attribute(118)},
+	ColorTSAttribute: {Background: termbox.ColorDefault, Foreground: termbox.Attribute(215)},
+	ColorTSConstant:  {Background: termbox.ColorDefault, Foreground: termbox.Attribute(254)},
+
+	// Status bar indicators
+	ColorLSPStatusConnected:       {Background: termbox.Attribute(29), Foreground: termbox.Attribute(255)},
+	ColorLSPStatusDisconnected:    {Background: termbox.Attribute(239), Foreground: termbox.Attribute(255)},
+	ColorOllamaStatusConnected:    {Background: termbox.Attribute(131), Foreground: termbox.Attribute(255)},
+	ColorOllamaStatusDisconnected: {Background: termbox.Attribute(239), Foreground: termbox.Attribute(255)},
+
+	ColorHoverWindow: {Background: termbox.Attribute(253), Foreground: termbox.Attribute(1)},
+
+	ColorAutocompleteWindow:   {Background: termbox.Attribute(253), Foreground: termbox.Attribute(1)},
+	ColorAutocompleteSelected: {Background: termbox.Attribute(239), Foreground: termbox.Attribute(255)},
+}
+
+// GetThemeColor returns the foreground and background attributes for a given semantic name.
+func GetThemeColor(name ColorName) (termbox.Attribute, termbox.Attribute) {
+	if c, ok := Theme[name]; ok {
+		return c.Foreground, c.Background
+	}
+	// Fallback to default if name is not found.
+	return termbox.ColorDefault, termbox.ColorDefault
+}