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69 lines
1.6 KiB
Go

package app
import (
"fmt"
"github.com/gdamore/tcell/v2"
"github.com/jordanorelli/astro-domu/internal/math"
"github.com/jordanorelli/astro-domu/internal/sim"
)
type chatView struct {
composing string
inFocus bool
history []sim.ChatMessage
}
func (c *chatView) handleEvent(e tcell.Event) change {
switch t := e.(type) {
case *tcell.EventKey:
key := t.Key()
if key == tcell.KeyBackspace || key == tcell.KeyBackspace2 {
line := []rune(c.composing)
if len(line) > 0 {
line = line[:len(line)-1]
}
c.composing = string(line)
break
}
if key == tcell.KeyEnter {
msg := c.composing
c.composing = ""
return changeFn(func(ui *UI) {
// ugh lol
go ui.client.Send(sim.SendChatMessage{Text: msg})
})
}
if key == tcell.KeyRune {
c.composing = fmt.Sprintf("%s%c", c.composing, t.Rune())
}
default:
// ui.Debug("screen saw unhandled event of type %T", e)
}
return nil
}
func (c *chatView) draw(img canvas, st *state) {
bounds := img.bounds()
fill(img, tcell.StyleDefault.Background(tcell.NewRGBColor(32, 32, 32)))
chatHeight := bounds.Height - 1
for i := 0; i < math.Min(chatHeight, len(c.history)); i++ {
msg := c.history[len(c.history)-1-i]
s := fmt.Sprintf("%12s: %s", msg.From, msg.Text)
writeString(img, s, math.Vec{0, bounds.Height - 2 - i}, tcell.StyleDefault)
}
writeString(img, c.composing, math.Vec{0, bounds.Height - 1}, tcell.StyleDefault)
if c.inFocus {
cursor := tile{r: tcell.RuneBlock, style: tcell.StyleDefault.Blink(true)}
img.setTile(len([]rune(c.composing)), bounds.Height-1, cursor)
}
}
func (c *chatView) setFocus(yes bool) { c.inFocus = yes }