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Use a pager for the help interactive command as well

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This commit is contained in:
Kovid Goyal 2022-11-16 20:44:13 +05:30
parent 5e880b92f5
commit a4e43b3925
No known key found for this signature in database
GPG Key ID: 06BC317B515ACE7C
2 changed files with 21 additions and 15 deletions
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16
tools/cli/help.go
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@ -92,6 +92,14 @@ func (self *Command) ShowHelp() {
self.ShowHelpWithCommandString(strings.TrimSpace(self.CommandStringForUsage()))
}
func ShowHelpInPager(text string) {
pager := exec.Command(kitty.DefaultPager[0], kitty.DefaultPager[1:]...)
pager.Stdin = strings.NewReader(text)
pager.Stdout = os.Stdout
pager.Stderr = os.Stderr
pager.Run()
}
func (self *Command) ShowHelpWithCommandString(cs string) {
formatter := markup.New(tty.IsTerminal(os.Stdout.Fd()))
screen_width := 80
@ -144,12 +152,8 @@ func (self *Command) ShowHelpWithCommandString(cs string) {
output_text := output.String()
// fmt.Printf("%#v\n", output_text)
if formatter.EscapeCodesAllowed() {
pager := exec.Command(kitty.DefaultPager[0], kitty.DefaultPager[1:]...)
pager.Stdin = strings.NewReader(output_text)
pager.Stdout = os.Stdout
pager.Stderr = os.Stderr
pager.Run()
ShowHelpInPager(output_text)
} else {
os.Stdout.Write([]byte(output_text))
os.Stdout.WriteString(output_text)
}
}

20
tools/cmd/at/shell.go
View File

@ -96,19 +96,21 @@ func shell_loop(rl *readline.Readline, kill_if_signaled bool) (int, error) {
return 0, nil
}
func print_basic_help() {
fmt.Println("Control kitty by sending it commands.")
fmt.Println()
fmt.Println(formatter.Title("Commands") + ":")
func show_basic_help() {
output := strings.Builder{}
fmt.Fprintln(&output, "Control kitty by sending it commands.")
fmt.Fprintln(&output)
fmt.Fprintln(&output, formatter.Title("Commands")+":")
r := EntryPoint(cli.NewRootCommand())
for _, g := range r.SubCommandGroups {
for _, sc := range g.SubCommands {
fmt.Println(" ", formatter.Green(sc.Name))
fmt.Println(" ", sc.ShortDescription)
fmt.Fprintln(&output, " ", formatter.Green(sc.Name))
fmt.Fprintln(&output, " ", sc.ShortDescription)
}
}
fmt.Println(" ", formatter.Green("exit"))
fmt.Println(" ", "Exit this shell")
fmt.Fprintln(&output, " ", formatter.Green("exit"))
fmt.Fprintln(&output, " ", "Exit this shell")
cli.ShowHelpInPager(output.String())
}
func exec_command(rl *readline.Readline, cmdline string) bool {
@ -131,7 +133,7 @@ func exec_command(rl *readline.Readline, cmdline string) bool {
hi.ExitCode = 0
defer rl.AddHistoryItem(hi)
if len(parsed_cmdline) == 1 {
print_basic_help()
show_basic_help()
return true
}
switch parsed_cmdline[1] {