Files
arr-tui/internal/ui/app.go
T
nilsandClaude Sonnet 5.5 9f05523c02 Initial project skeleton (M0)
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>
2026-10-20 17:38:15 +02:00

116 lines
2.6 KiB
Go

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