path: root/cointop/keybindings.go

package cointop

import (
	"strings"

	"github.com/miguelmota/gocui"
)

// ParseKeys returns string keyboard key as gocui key type
func (ct *Cointop) ParseKeys(s string) (interface{}, gocui.Modifier) {
	var key interface{}
	mod := gocui.ModNone
	split := strings.Split(s, "+")
	if len(split) > 1 {
		m := strings.ToLower(strings.TrimSpace(split[0]))
		k := strings.ToLower(strings.TrimSpace(split[1]))
		if m == "alt" {
			mod = gocui.ModAlt
			s = k
		} else if m == "ctrl" {
			switch k {
			case "0":
				key = '0'
			case "1":
				key = '1'
			case "2":
				key = gocui.KeyCtrl2
			case "3":
				key = gocui.KeyCtrl3
			case "4":
				key = gocui.KeyCtrl4
			case "5":
				key = gocui.KeyCtrl5
			case "6":
				key = gocui.KeyCtrl6
			case "7":
				key = gocui.KeyCtrl7
			case "8":
				key = gocui.KeyCtrl8
			case "9":
				key = '9'
			case "a":
				key = gocui.KeyCtrlA
			case "b":
				key = gocui.KeyCtrlB
			case "c":
				key = gocui.KeyCtrlC
			case "d":
				key = gocui.KeyCtrlD
			case "e":
				key = gocui.KeyCtrlE
			case "f":
				key = gocui.KeyCtrlF
			case "g":
				key = gocui.KeyCtrlG
			case "h":
				key = gocui.KeyCtrlH
			case "i":
				key = gocui.KeyCtrlI
			case "j":
				key = gocui.KeyCtrlJ
			case "k":
				key = gocui.KeyCtrlK
			case "l":
				key = gocui.KeyCtrlL
			case "m":
				key = gocui.KeyCtrlL
			case "n":
				key = gocui.KeyCtrlN
			case "o":
				key = gocui.KeyCtrlO
			case "p":
				key = gocui.KeyCtrlP
			case "q":
				key = gocui.KeyCtrlQ
			case "r":
				key = gocui.KeyCtrlR
			case "s":
				key = gocui.KeyCtrlS
			case "t":
				key = gocui.KeyCtrlT
			case "u":
				key = gocui.KeyCtrlU
			case "v":
				key = gocui.KeyCtrlV
			case "w":
				key = gocui.KeyCtrlW
			case "x":
				key = gocui.KeyCtrlX
			case "y":
				key = gocui.KeyCtrlY
			case "z":
				key = gocui.KeyCtrlZ
			case "~":
				key = gocui.KeyCtrlTilde
			case "[", "lsqrbracket", "leftsqrbracket", "leftsquarebracket":
				key = gocui.KeyCtrlLsqBracket
			case "]", "rsqrbracket", "rightsqrbracket", "rightsquarebracket":
				key = gocui.KeyCtrlRsqBracket
			case "space":
				key = gocui.KeyCtrlSpace
			case "backslash":
				key = gocui.KeyCtrlBackslash
			case "underscore":
				key = gocui.KeyCtrlUnderscore
			case "\\\\":
				key = '\\'
			}
			return key, mod
		}
	}

	if len(s) == 1 {
		r := []rune(s)
		key = r[0]
		return key, mod
	}

	s = strings.ToLower(s)
	switch s {
	case "arrowup", "uparrow", "up":
		key = gocui.KeyArrowUp
	case "arrowdown", "downarrow", "down":
		key = gocui.KeyArrowDown
	case "arrowleft", "leftarrow", "left":
		key = gocui.KeyArrowLeft
	case "arrowright", "rightarrow", "right":
		key = gocui.KeyArrowRight
	case "enter", "return":
		key = gocui.KeyEnter
	case "space", "spacebar":
		key = gocui.KeySpace
	case "esc", "escape":
		key = gocui.KeyEsc
	case "f1":
		key = gocui.KeyF1
	case "f2":
		key = gocui.KeyF2
	case "f3":
		key = gocui.KeyF3
	case "f4":
		key = gocui.KeyF4
	case "f5":
		key = gocui.KeyF5
	case "f6":
		key = gocui.KeyF6
	case "f7":
		key = gocui.KeyF7
	case "f8":
		key = gocui.KeyF8
	case "f9":
		key = gocui.KeyF9
	case "tab":
		key = gocui.KeyTab
	case "pageup", "pgup":
		key = gocui.KeyPgup
	case "pagedown", "pgdown", "pgdn":
		key = gocui.KeyPgdn
	case "home":
		key = gocui.KeyHome
	case "end":
		key = gocui.KeyEnd
	case "\\\\":
		key = '\\'
	}

	return key, mod
}

// Keybindings sets keyboard shortcut key bindings
func (ct *Cointop) Keybindings(g *gocui.Gui) error {
	for k, v := range ct.State.shortcutKeys {
		if k == "" {
			continue
		}
		v = strings.TrimSpace(strings.ToLower(v))
		var fn func(g *gocui.Gui, v *gocui.View) error
		key, mod := ct.ParseKeys(k)
		view := "table"
		switch v {
		case "move_up":
			fn = ct.Keyfn(ct.CursorUp)
		case "move_down":
			fn = ct.Keyfn(ct.CursorDown)
		case "previous_page":
			fn = ct.handleHkey(key)
		case "next_page":
			fn = ct.Keyfn(ct.NextPage)
		case "page_down":
			fn = ct.Keyfn(ct.PageDown)
		case "page_up":
			fn = ct.Keyfn(ct.PageUp)
		case "sort_column_symbol":
			fn = ct.Sortfn("symbol", false)
		case "move_to_page_first_row":
			fn = ct.Keyfn(ct.NavigateFirstLine)
		case "move_to_page_last_row":
			fn = ct.Keyfn(ct.NavigateLastLine)
		case "open_link":
			fn = ct.Keyfn(ct.OpenLink)
		case "refresh":
			fn = ct.Keyfn(ct.Refresh)
		case "sort_column_asc":
			fn = ct.Keyfn(ct.SortAsc)
		case "sort_column_desc":
			fn = ct.Keyfn(ct.SortDesc)
		case "sort_left_column":
			fn = ct.Keyfn(ct.SortPrevCol)
		case "sort_right_column":
			fn = ct.Keyfn(ct.SortNextCol)
		case "help", "toggle_show_help":
			fn = ct.Keyfn(ct.ToggleHelp)
			view = ""
		case "show_help":
			fn = ct.Keyfn(ct.ShowHelp)
			view = ""
		case "hide_help":
			fn = ct.Keyfn(ct.HideHelp)
			view = "help"
		case "first_page":
			fn