main: use terminfo to set window title

Parse the terminal capabilities from the TERM environment variable
instead of using a hard coded list of terminals.

tcell does not expose the status line capabilities. Use another library
for this: github.com/xo/terminfo

Signed-off-by: Robin Jarry <robin@jarry.cc>
This commit is contained in:
Robin Jarry 2022-02-20 10:32:38 +01:00
parent 6c460493ef
commit 726969833b
3 changed files with 18 additions and 11 deletions

26
aerc.go
View file

@ -1,6 +1,7 @@
package main
import (
"bytes"
"fmt"
"io"
"io/ioutil"
@ -8,11 +9,11 @@ import (
"os"
"runtime/debug"
"sort"
"strings"
"time"
"git.sr.ht/~sircmpwn/getopt"
"github.com/mattn/go-isatty"
"github.com/xo/terminfo"
"git.sr.ht/~rjarry/aerc/commands"
"git.sr.ht/~rjarry/aerc/commands/account"
@ -93,18 +94,21 @@ func usage() {
log.Fatal("Usage: aerc [-v] [mailto:...]")
}
var termsWithStatusLine = []string{"xterm", "tmux", "screen"}
func setWindowTitle() {
term := strings.ToLower(os.Getenv("TERM"))
for _, t := range termsWithStatusLine {
if strings.Contains(term, t) {
// TODO: avoid hard coding the list of terminals that
// have status line support.
os.Stderr.Write([]byte("\x1b]0;aerc\a"))
return
}
ti, err := terminfo.LoadFromEnv()
if err != nil {
return
}
if !ti.Has(terminfo.HasStatusLine) {
return
}
buf := new(bytes.Buffer)
ti.Fprintf(buf, terminfo.ToStatusLine)
fmt.Fprint(buf, "aerc")
ti.Fprintf(buf, terminfo.FromStatusLine)
os.Stderr.Write(buf.Bytes())
}
func main() {

1
go.mod
View file

@ -31,6 +31,7 @@ require (
github.com/pkg/errors v0.9.1
github.com/riywo/loginshell v0.0.0-20200815045211-7d26008be1ab
github.com/stretchr/testify v1.4.0
github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
github.com/zenhack/go.notmuch v0.0.0-20211022191430-4d57e8ad2a8b
golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3 // indirect
golang.org/x/net v0.0.0-20211029224645-99673261e6eb // indirect

2
go.sum
View file

@ -191,6 +191,8 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 h1:QldyIu/L63oPpyvQmHgvgickp1Yw510KJOqX7H24mg8=
github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778/go.mod h1:2MuV+tbUrU1zIOPMxZ5EncGwgmMJsa+9ucAQZXxsObs=
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=