dd0ebbd6ce
- Define Theme struct with all Dracula palette colors - Auto-detect terminal color support (truecolor, 256-color, no-color) - Implement graceful fallback for dumb terminals - Fix model theme field type to use pointer - Colors: stopped badge (#F1FA8C), permission badge (#FF5555), selected row (#BD93F9), panel border (#6272A4), header bar (#282A36), status bar (#44475A), metadata text (#AAAAAA), accent cyan (#8BE9FD), accent green (#50FA7B) Closes tb-6cj
315 lines
8 KiB
Go
315 lines
8 KiB
Go
package main
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import (
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"os"
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"github.com/charmbracelet/lipgloss"
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)
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// Theme defines all visual styles for the Trail Boss TUI using the Dracula color palette.
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type Theme struct {
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// Badge styles
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StoppedBadge lipgloss.Style
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PermissionBadge lipgloss.Style
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// Row styles
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SelectedRow lipgloss.Style
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NormalRow lipgloss.Style
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// Panel styles
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PanelBorder lipgloss.Style
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PanelHeader lipgloss.Style
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DetailPanel lipgloss.Style
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// Bar styles
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HeaderBar lipgloss.Style
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StatusBar lipgloss.Style
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// Text styles
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MetaText lipgloss.Style
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AccentCyan lipgloss.Style
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AccentGreen lipgloss.Style
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// Color support detection
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hasTrueColor bool
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has256Color bool
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noColor bool
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}
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// NewTheme creates a new Theme with auto-detected terminal color support.
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func NewTheme() *Theme {
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t := &Theme{}
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t.detectColorSupport()
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t.applyColors()
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return t
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}
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// detectColorSupport determines the terminal's color capabilities.
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func (t *Theme) detectColorSupport() {
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// Check NO_COLOR environment variable (https://no-color.org/)
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if _, exists := os.LookupEnv("NO_COLOR"); exists {
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t.noColor = true
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return
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}
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// Check TERM environment variable
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term := os.Getenv("TERM")
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// Truecolor support
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if os.Getenv("COLORTERM") == "truecolor" || os.Getenv("COLORTERM") == "24bit" {
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t.hasTrueColor = true
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t.has256Color = true
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return
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}
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// 256 color support
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if term == "xterm-256color" || term == "screen-256color" || term == "tmux-256color" {
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t.has256Color = true
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return
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}
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// Dumb terminal
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if term == "dumb" || term == "" {
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t.noColor = true
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return
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}
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}
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// applyColors configures all styles based on detected color support.
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func (t *Theme) applyColors() {
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if t.noColor {
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t.applyNoColor()
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return
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}
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if t.hasTrueColor {
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t.applyTrueColor()
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return
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}
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if t.has256Color {
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t.apply256Color()
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return
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}
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t.applyBasicColor()
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}
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// applyTrueColor applies full RGB colors (Dracula palette).
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func (t *Theme) applyTrueColor() {
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// Badge styles - yellow/red foreground on dark background
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t.StoppedBadge = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#F1FA8C")). // Yellow
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Background(lipgloss.Color("#282A36")). // Dark background
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Bold(true).
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Padding(0, 1).
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MarginRight(1)
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t.PermissionBadge = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#FF5555")). // Red
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Background(lipgloss.Color("#282A36")). // Dark background
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Bold(true).
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Padding(0, 1).
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MarginRight(1)
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// Row styles
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t.SelectedRow = lipgloss.NewStyle().
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Background(lipgloss.Color("#BD93F9")). // Purple
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Foreground(lipgloss.Color("#282A36")). // Dark text for contrast
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Bold(true)
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t.NormalRow = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#F8F8F2")) // Dracula foreground
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// Panel styles - rounded border
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t.PanelBorder = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#6272A4")). // Blue-ish
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Border(lipgloss.RoundedBorder())
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t.PanelHeader = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#BD93F9")). // Purple
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Background(lipgloss.Color("#282A36")). // Dark background
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Bold(true).
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Padding(0, 1)
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t.DetailPanel = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#F8F8F2")). // Light text
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Padding(0, 1)
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// Bar styles
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t.HeaderBar = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#F8F8F2")). // Light
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Background(lipgloss.Color("#282A36")). // Dark background
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Bold(true).
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Padding(0, 1)
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t.StatusBar = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#F8F8F2")). // Light
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Background(lipgloss.Color("#44475A")). // Gray background
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Padding(0, 1)
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// Text styles
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t.MetaText = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#AAAAAA")) // Gray
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t.AccentCyan = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#8BE9FD")) // Cyan
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t.AccentGreen = lipgloss.NewStyle().
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Foreground(lipgloss.Color("#50FA7B")) // Green
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}
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// apply256Color applies 256-color palette approximations.
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func (t *Theme) apply256Color() {
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// Badge styles
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t.StoppedBadge = lipgloss.NewStyle().
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Foreground(lipgloss.Color("229")). // Closest to #F1FA8C
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Background(lipgloss.Color("235")). // Closest to #282A36
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Bold(true).
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Padding(0, 1).
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MarginRight(1)
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t.PermissionBadge = lipgloss.NewStyle().
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Foreground(lipgloss.Color("203")). // Closest to #FF5555
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Background(lipgloss.Color("235")). // Closest to #282A36
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Bold(true).
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Padding(0, 1).
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MarginRight(1)
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// Row styles
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t.SelectedRow = lipgloss.NewStyle().
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Background(lipgloss.Color("141")). // Closest to #BD93F9
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Foreground(lipgloss.Color("235")). // Dark text for contrast
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Bold(true)
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t.NormalRow = lipgloss.NewStyle().
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Foreground(lipgloss.Color("255")) // White
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// Panel styles
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t.PanelBorder = lipgloss.NewStyle().
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Foreground(lipgloss.Color("61")). // Closest to #6272A4
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Border(lipgloss.RoundedBorder())
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t.PanelHeader = lipgloss.NewStyle().
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Foreground(lipgloss.Color("141")). // Closest to #BD93F9
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Background(lipgloss.Color("235")). // Closest to #282A36
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Bold(true).
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Padding(0, 1)
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t.DetailPanel = lipgloss.NewStyle().
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Foreground(lipgloss.Color("255")). // White
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Padding(0, 1)
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// Bar styles
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t.HeaderBar = lipgloss.NewStyle().
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Foreground(lipgloss.Color("255")). // White
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Background(lipgloss.Color("235")). // Closest to #282A36
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Bold(true).
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Padding(0, 1)
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t.StatusBar = lipgloss.NewStyle().
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Foreground(lipgloss.Color("255")). // White
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Background(lipgloss.Color("240")). // Closest to #44475A
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Padding(0, 1)
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// Text styles
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t.MetaText = lipgloss.NewStyle().
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Foreground(lipgloss.Color("244")) // Gray
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t.AccentCyan = lipgloss.NewStyle().
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Foreground(lipgloss.Color("117")) // Cyan
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t.AccentGreen = lipgloss.NewStyle().
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Foreground(lipgloss.Color("84")) // Green
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}
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// applyBasicColor applies basic 8-color fallback.
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func (t *Theme) applyBasicColor() {
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// Badge styles
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t.StoppedBadge = lipgloss.NewStyle().
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Foreground(lipgloss.Color("yellow")).
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Bold(true).
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Padding(0, 1).
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MarginRight(1)
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t.PermissionBadge = lipgloss.NewStyle().
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Foreground(lipgloss.Color("red")).
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Bold(true).
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Padding(0, 1).
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MarginRight(1)
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// Row styles
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t.SelectedRow = lipgloss.NewStyle().
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Background(lipgloss.Color("magenta")).
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Foreground(lipgloss.Color("black")).
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Bold(true)
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t.NormalRow = lipgloss.NewStyle().
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Foreground(lipgloss.Color("white"))
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// Panel styles
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t.PanelBorder = lipgloss.NewStyle().
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Foreground(lipgloss.Color("blue")).
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Border(lipgloss.RoundedBorder())
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t.PanelHeader = lipgloss.NewStyle().
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Foreground(lipgloss.Color("magenta")).
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Bold(true).
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Padding(0, 1)
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t.DetailPanel = lipgloss.NewStyle().
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Foreground(lipgloss.Color("white")).
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Padding(0, 1)
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// Bar styles
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t.HeaderBar = lipgloss.NewStyle().
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Foreground(lipgloss.Color("white")).
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Bold(true).
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Padding(0, 1)
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t.StatusBar = lipgloss.NewStyle().
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Foreground(lipgloss.Color("white")).
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Padding(0, 1)
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// Text styles
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t.MetaText = lipgloss.NewStyle().
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Foreground(lipgloss.Color("black"))
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t.AccentCyan = lipgloss.NewStyle().
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Foreground(lipgloss.Color("cyan"))
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t.AccentGreen = lipgloss.NewStyle().
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Foreground(lipgloss.Color("green"))
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}
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// applyNoColor applies no-color fallback for dumb terminals.
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func (t *Theme) applyNoColor() {
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// All styles use basic styling without color
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t.StoppedBadge = lipgloss.NewStyle().Bold(true).Padding(0, 1).MarginRight(1)
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t.PermissionBadge = lipgloss.NewStyle().Bold(true).Padding(0, 1).MarginRight(1)
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t.SelectedRow = lipgloss.NewStyle().Bold(true).Reverse(true)
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t.NormalRow = lipgloss.NewStyle()
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t.PanelBorder = lipgloss.NewStyle().Border(lipgloss.RoundedBorder())
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t.PanelHeader = lipgloss.NewStyle().Bold(true).Padding(0, 1)
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t.DetailPanel = lipgloss.NewStyle().Padding(0, 1)
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t.HeaderBar = lipgloss.NewStyle().Bold(true).Padding(0, 1)
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t.StatusBar = lipgloss.NewStyle().Padding(0, 1)
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t.MetaText = lipgloss.NewStyle()
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t.AccentCyan = lipgloss.NewStyle()
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t.AccentGreen = lipgloss.NewStyle()
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}
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// HasTrueColor returns true if terminal supports truecolor.
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func (t *Theme) HasTrueColor() bool {
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return t.hasTrueColor
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}
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// Has256Color returns true if terminal supports 256 colors.
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func (t *Theme) Has256Color() bool {
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return t.has256Color
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}
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// NoColor returns true if terminal has no color support.
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func (t *Theme) NoColor() bool {
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return t.noColor
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}
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