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