graffiti!

app/graffiti.go

@@ -0,0 +1,92 @@
+package app
+
+import (
+	"os"
+	"os/exec"
+
+	"git.sr.ht/~rockorager/vaxis"
+	"git.sr.ht/~rockorager/vaxis/widgets/term"
+	"git.tilde.town/nbsp/neofeels/ttbp"
+	"git.tilde.town/nbsp/neofeels/ui"
+)
+
+type Graffiti struct {
+	title   string
+	content string
+	help    string
+}
+
+func NewGraffiti() *Graffiti {
+	var content string
+	if ttbp.GraffitiFree() {
+		content = `the graffiti wall is a world-writeable text file. anyone can scribble on it;
+anyone can move or delete things. please be considerate of your neighbors when
+writing on it.
+
+no one will be able to visit the wall while you are here, so don't worry about
+overwriting someone else's work. anything you do to the wall will be recorded if
+you save the file, and you can cancel your changes by exiting without saving.`
+	} else {
+		content = "sorry, but someone's there right now. try again in a few!"
+	}
+	return &Graffiti{
+		title,
+		content,
+		"↵ enter  q return",
+	}
+}
+
+func (graffiti *Graffiti) Event(state *ui.State, event vaxis.Event) (processed bool) {
+	if key, ok := event.(vaxis.Key); ok && key.EventType == vaxis.EventPress {
+		switch key.String() {
+		case "Ctrl+c", "Ctrl+d":
+			close(ui.Quit)
+		case "q", "h", "Left":
+			ui.ViewChange <- NewMainMenu()
+		case "Enter", "l", "Right":
+			if ttbp.GraffitiFree() {
+				os.Create(ttbp.PathWallLock)
+				editGraffiti(state)
+				os.Remove(ttbp.PathWallLock)
+			}
+			ui.ViewChange <- NewMainMenu()
+		}
+		processed = true
+	}
+	win := state.Window()
+	win.New(win.Width/2-10, win.Height/2-8, 20, 5).Print(vaxis.Segment{Text: graffiti.title})
+	win.New(win.Width/2-40, win.Height/2-2, 80, 9).Print(vaxis.Segment{Text: graffiti.content})
+	win.New(win.Width/2-9, win.Height/2+8, 18, 1).Print(vaxis.Segment{Text: graffiti.help})
+	return
+}
+
+func editGraffiti(state *ui.State) {
+	state.HideCursor()
+	vt := term.New()
+	vt.TERM = os.Getenv("TERM")
+	vt.Attach(state.PostEvent())
+	vt.Focus()
+	err := vt.Start(exec.Command(os.ExpandEnv(os.Getenv("EDITOR")), ttbp.PathWall))
+	if err != nil {
+		panic(err)
+	}
+	defer vt.Close()
+
+	for ev := range state.Events() {
+		switch ev.(type) {
+		case term.EventClosed:
+			state.HideCursor()
+			state.Window().Clear()
+			return
+		case vaxis.Redraw:
+			vt.Draw(state.Window())
+			state.Render()
+			continue
+		}
+
+		// for some reason vaxis doubles all events for Press/Release so this just ignores releases
+		if key, ok := ev.(vaxis.Key); ok && key.EventType == vaxis.EventPress {
+			vt.Update(ev)
+		}
+	}
+}

app/menu.go

@@ -34,7 +34,7 @@ func NewMainMenu() *MainMenu {
 			"check out your neighbors",
 			"browse global feels",
 			"visit your subscriptions",
-			"scribble some graffiti", // TODO
+			"scribble some graffiti",
 			"change your settings",
 			"see credits",
 			"read documentation",
@@ -71,6 +71,8 @@ func (menu *MainMenu) Event(state *ui.State, event vaxis.Event) (processed bool)
 				ui.ViewChange <- NewBrowse()
 			case 4:
 				ui.ViewChange <- NewSubscriptions()
+			case 5:
+				ui.ViewChange <- NewGraffiti()
 			case 6:
 				ui.ViewChange <- NewConfig()
 			case 7:

main.go

@@ -47,6 +47,7 @@ press ↵ to set up an account, or Ctrl+c to quit. you can always come back late
 	os.WriteFile(path.Join(ttbp.PathUserConfig, "footer.txt"), footer, 0644)
 	os.WriteFile(path.Join(ttbp.PathUserConfig, "style.css"), style, 0644)
 	config.Default.Write()
+	// TODO: edit users.txt
 }
 
 func main() {

ttbp/ttbp.go

@@ -331,3 +331,8 @@ func writeEntry(post Post) string {
 		buf.String(), dateString,
 	)
 }
+
+func GraffitiFree() bool {
+	_, err := os.Stat(PathWallLock)
+	return os.IsNotExist(err)
+}