gocui/help.go

71 lines
1.5 KiB
Go

// Copyright 2014 The gocui Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"errors"
"fmt"
"strings"
"github.com/awesome-gocui/gocui"
)
var helpText []string = []string{"KEYBINDINGS",
"",
"?: toggle help",
"d: toggle debugging",
"r: redraw widgets",
"s/h: show/hide all widgets",
"L: list all widgets",
"M: list all widgets positions",
"\x1b[0;32m  \x1b[0m",
"q: quit()",
"p: panic()",
"o: show Stdout",
"l: log to /tmp/witgui.log",
"Ctrl-D: Toggle Debugging",
"Ctrl-V: Toggle Verbose Debugging",
"Ctrl-C: Exit",
"",
}
func hidehelplayout() {
me.baseGui.DeleteView("help")
}
func helplayout() error {
g := me.baseGui
var err error
maxX, _ := g.Size()
var newW int = 8
for _, s := range helpText {
if newW < len(s) {
newW = len(s)
}
}
help, err := g.SetView("help", maxX-(newW+me.FramePadW), 0, maxX-1, len(helpText)+me.FramePadH, 0)
if err != nil {
if !errors.Is(err, gocui.ErrUnknownView) {
return err
}
help.SelBgColor = gocui.ColorGreen
help.SelFgColor = gocui.ColorBlack
// fmt.Fprintln(help, "Enter: Click Button")
// fmt.Fprintln(help, "Tab/Space: Switch Buttons")
// fmt.Fprintln(help, "Backspace: Delete Button")
// fmt.Fprintln(help, "Arrow keys: Move Button")
fmt.Fprintln(help, strings.Join(helpText, "\n"))
if _, err := g.SetCurrentView("help"); err != nil {
return err
}
}
me.helpLabel = help
return nil
}