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111 lines
2.1 KiB
Go

package main
import (
"context"
"time"
"github.com/gdamore/tcell/v2"
"github.com/jordanorelli/astro-domu/internal/exit"
"github.com/jordanorelli/blammo"
)
// ui represents our terminal-based user interface
type ui struct {
*blammo.Log
screen tcell.Screen
mode uiMode
client *client
}
func (ui *ui) run() {
ui.client = &client{
Log: ui.Child("client"),
host: "127.0.0.1",
port: 12805,
}
ctx := context.Background()
ctx, cancel := context.WithCancel(ctx)
defer func() {
ui.Debug("canceling client context")
cancel()
time.Sleep(time.Second)
}()
go ui.client.run(ctx)
screen, err := tcell.NewScreen()
if err != nil {
exit.WithMessage(1, "unable to create a screen: %v", err)
}
ui.screen = screen
ui.Debug("sceen created")
if err := screen.Init(); err != nil {
exit.WithMessage(1, "unable to initialize screen: %v", err)
}
ui.Debug("screen initialized")
width, height := screen.Size()
ui.Debug("screen width: %d", width)
ui.Debug("screen height: %d", height)
ui.Debug("screen colors: %v", screen.Colors())
ui.Debug("screen has mouse: %v", screen.HasMouse())
defer func() {
ui.Debug("finalizing screen")
screen.Fini()
}()
ui.mode = &boxWalker{
width: 10,
height: 6,
}
ui.menu()
ui.Debug("clearing screen")
screen.Clear()
}
// writeString writes a string in the given style from left to right beginning
// at the location (x, y). Writing of the screen just fails silently so don't
// do that.
func (ui *ui) writeString(x, y int, s string, style tcell.Style) {
width, height := ui.screen.Size()
if y > height {
return
}
for i, r := range []rune(s) {
x := x + i
if x > width {
return
}
ui.screen.SetContent(x, y, r, nil, style)
}
}
func (ui *ui) menu() {
ui.screen.Clear()
_, height := ui.screen.Size()
ui.writeString(0, height-1, "fart", tcell.StyleDefault)
ui.screen.Sync()
for {
e := ui.screen.PollEvent()
if e == nil {
break
}
switch v := e.(type) {
case *tcell.EventKey:
key := v.Key()
if key == tcell.KeyCtrlC {
return
}
}
ui.mode.handleEvent(ui, e)
ui.screen.Clear()
ui.mode.draw(ui)
ui.screen.Show()
}
}