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|
package ui
import (
"sync/atomic"
"time"
"github.com/gdamore/tcell"
)
type Config struct {
NickColWidth int
AutoComplete func(cursorIdx int, text []rune) []Completion
}
type UI struct {
screen tcell.Screen
Events chan tcell.Event
exit atomic.Value // bool
config Config
bs BufferList
e Editor
}
func New(config Config) (ui *UI, err error) {
ui = &UI{
config: config,
}
ui.screen, err = tcell.NewScreen()
if err != nil {
return
}
err = ui.screen.Init()
if err != nil {
return
}
w, h := ui.screen.Size()
ui.screen.Clear()
ui.screen.ShowCursor(0, h-2)
ui.Events = make(chan tcell.Event, 128)
go func() {
for !ui.ShouldExit() {
ui.Events <- ui.screen.PollEvent()
}
}()
ui.exit.Store(false)
ui.bs = NewBufferList(w, h, ui.config.NickColWidth)
ui.e = NewEditor(w, ui.config.AutoComplete)
ui.Resize()
return
}
func (ui *UI) ShouldExit() bool {
return ui.exit.Load().(bool)
}
func (ui *UI) Exit() {
ui.exit.Store(true)
}
func (ui *UI) Close() {
ui.screen.Fini()
}
func (ui *UI) CurrentBuffer() string {
return ui.bs.Current()
}
func (ui *UI) CurrentBufferOldestTime() (t *time.Time) {
return ui.bs.CurrentOldestTime()
}
func (ui *UI) NextBuffer() {
ui.bs.Next()
}
func (ui *UI) PreviousBuffer() {
ui.bs.Previous()
}
func (ui *UI) ScrollUp() {
ui.bs.ScrollUp()
}
func (ui *UI) ScrollDown() {
ui.bs.ScrollDown()
}
func (ui *UI) IsAtTop() bool {
return ui.bs.IsAtTop()
}
func (ui *UI) AddBuffer(title string) {
_ = ui.bs.Add(title)
}
func (ui *UI) RemoveBuffer(title string) {
_ = ui.bs.Remove(title)
}
func (ui *UI) AddLine(buffer string, highlight bool, line Line) {
ui.bs.AddLine(buffer, highlight, line)
}
func (ui *UI) AddLines(buffer string, lines []Line) {
ui.bs.AddLines(buffer, lines)
}
func (ui *UI) SetStatus(status string) {
ui.bs.SetStatus(status)
}
func (ui *UI) InputIsCommand() bool {
return ui.e.IsCommand()
}
func (ui *UI) InputLen() int {
return ui.e.TextLen()
}
func (ui *UI) InputRune(r rune) {
ui.e.PutRune(r)
}
func (ui *UI) InputRight() {
ui.e.Right()
}
func (ui *UI) InputLeft() {
ui.e.Left()
}
func (ui *UI) InputHome() {
ui.e.Home()
}
func (ui *UI) InputEnd() {
ui.e.End()
}
func (ui *UI) InputUp() {
ui.e.Up()
}
func (ui *UI) InputDown() {
ui.e.Down()
}
func (ui *UI) InputBackspace() (ok bool) {
return ui.e.RemRune()
}
func (ui *UI) InputDelete() (ok bool) {
return ui.e.RemRuneForward()
}
func (ui *UI) InputAutoComplete() (ok bool) {
return ui.e.AutoComplete()
}
func (ui *UI) InputEnter() (content string) {
return ui.e.Flush()
}
func (ui *UI) Resize() {
w, h := ui.screen.Size()
ui.e.Resize(w)
ui.bs.Resize(w, h)
}
func (ui *UI) Draw() {
_, h := ui.screen.Size()
ui.e.Draw(ui.screen, h-2)
ui.bs.Draw(ui.screen)
ui.screen.Show()
}
|
