68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
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package ui
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import (
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/lipgloss"
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"github.com/gmgauthier/gralculator/internal/calc"
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)
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// App is the root Bubble Tea model for the gralculator TUI.
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// Phase 1/3 skeleton only — real implementation in phase 3.
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type App struct {
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engine *calc.Engine
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width int
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height int
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// flash state etc. will be added during spike (see gostations patterns)
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}
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func NewApp() *App {
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return &App{
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engine: calc.NewEngine(),
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}
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}
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func (a *App) Init() tea.Cmd {
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return nil
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}
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func (a *App) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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switch msg := msg.(type) {
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case tea.WindowSizeMsg:
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a.width = msg.Width
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a.height = msg.Height
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case tea.KeyMsg:
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switch msg.String() {
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case "q", "ctrl+c", "esc":
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return a, tea.Quit
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case "tab":
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// Will drive engine.CycleBase() + possible CERR flash
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_ = a.engine.CycleBase()
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// TODO (phase 3): trigger flash on error, re-render small row
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}
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}
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return a, nil
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}
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func (a *App) View() string {
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// Placeholder view. Real two-row display + keypad grid in phase 3.
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// Will use lipgloss heavily for:
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// - large number area (tall + styled)
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// - small current-base row (highlighted label)
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// - centered content card (lipgloss.Place)
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// - button cells for keypad (including single "BASE")
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// - flash styles (140ms color 63)
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// - minimal hint row
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base := a.engine.CurrentBase()
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return lipgloss.NewStyle().Padding(1, 2).Render(
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"gralculator skeleton\n\n" +
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"Large number area (TODO)\n" +
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"Current base: " + string(base) + " (press Tab to cycle)\n\n" +
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"See docs/UI_DESIGN.md and spec.md",
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)
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}
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// TODO (phase 3): full model with flashes, proper display rendering,
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// keypad grid, Tab + other key handling wired to engine, resize/centering.
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