nilsandClaude Sonnet 5.5
9f05523c02
Add SPECS.md, JSON config loader with env overrides and validation, and an empty tview shell with tabs and status bar. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
116 lines
2.6 KiB
Go
116 lines
2.6 KiB
Go
// Package ui contains the tview user interface.
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package ui
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import (
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"fmt"
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"github.com/gdamore/tcell/v2"
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"github.com/rivo/tview"
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)
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type view struct {
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key rune
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name string
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body tview.Primitive
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}
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// App is the top-level arr-tui application.
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type App struct {
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app *tview.Application
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tabs *tview.TextView
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pages *tview.Pages
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status *tview.TextView
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views []view
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active int
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}
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// New builds the application shell: a tab bar, one page per view and a status bar.
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func New() *App {
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a := &App{
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app: tview.NewApplication(),
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tabs: tview.NewTextView().SetDynamicColors(true),
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pages: tview.NewPages(),
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status: tview.NewTextView().SetDynamicColors(true),
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}
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a.views = []view{
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{'1', "Movies", placeholder("Movie search (M2)")},
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{'2', "Series", placeholder("Series search (M3)")},
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{'3', "Downloads", placeholder("Downloads (M4/M5)")},
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{'4', "Library", placeholder("Library (v0.2)")},
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}
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for i, v := range a.views {
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a.pages.AddPage(v.name, v.body, true, i == 0)
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}
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layout := tview.NewFlex().SetDirection(tview.FlexRow).
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AddItem(a.tabs, 1, 0, false).
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AddItem(a.pages, 0, 1, true).
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AddItem(a.status, 1, 0, false)
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a.app.SetRoot(layout, true).EnableMouse(false)
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a.app.SetInputCapture(a.handleKey)
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a.SetStatus("[gray]q quit · Tab / 1-4 switch view")
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a.switchTo(0)
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return a
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}
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// SetStatus replaces the status bar text. Safe to call only from the UI goroutine;
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// use QueueUpdateDraw from other goroutines.
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func (a *App) SetStatus(text string) {
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a.status.SetText(text)
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}
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// Run starts the event loop and blocks until the application quits.
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func (a *App) Run() error {
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return a.app.Run()
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}
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func (a *App) handleKey(ev *tcell.EventKey) *tcell.EventKey {
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switch ev.Key() {
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case tcell.KeyCtrlC:
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a.app.Stop()
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return nil
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case tcell.KeyTab:
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a.switchTo((a.active + 1) % len(a.views))
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return nil
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case tcell.KeyBacktab:
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a.switchTo((a.active + len(a.views) - 1) % len(a.views))
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return nil
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case tcell.KeyRune:
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if ev.Rune() == 'q' {
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a.app.Stop()
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return nil
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}
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for i, v := range a.views {
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if ev.Rune() == v.key {
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a.switchTo(i)
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return nil
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}
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}
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}
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return ev
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}
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func (a *App) switchTo(i int) {
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a.active = i
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a.pages.SwitchToPage(a.views[i].name)
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a.renderTabs()
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}
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func (a *App) renderTabs() {
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var s string
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for i, v := range a.views {
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if i == a.active {
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s += fmt.Sprintf("[black:white] %c %s [-:-] ", v.key, v.name)
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} else {
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s += fmt.Sprintf("[gray] %c %s [-] ", v.key, v.name)
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}
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}
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a.tabs.SetText(s)
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}
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func placeholder(text string) tview.Primitive {
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return tview.NewTextView().SetText(text).SetTextAlign(tview.AlignCenter)
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}
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