136 lines
3.0 KiB
Go
136 lines
3.0 KiB
Go
package main
|
|
|
|
import (
|
|
"github.com/gizak/termui"
|
|
)
|
|
|
|
// Input is the definition of an Input component
|
|
type Input struct {
|
|
Par *termui.Par
|
|
Text []rune
|
|
CursorPosition int
|
|
}
|
|
|
|
// CreateInput is the constructor of the Input struct
|
|
func CreateInput() *Input {
|
|
input := &Input{
|
|
Par: termui.NewPar(""),
|
|
Text: make([]rune, 0),
|
|
CursorPosition: 0,
|
|
}
|
|
|
|
input.Par.Height = 3
|
|
|
|
return input
|
|
}
|
|
|
|
// Buffer implements interface termui.Bufferer
|
|
func (i *Input) Buffer() termui.Buffer {
|
|
buf := i.Par.Buffer()
|
|
|
|
// Set visible cursor
|
|
char := buf.At(i.Par.InnerX()+i.CursorPosition, i.Par.Block.InnerY())
|
|
buf.Set(
|
|
i.Par.InnerX()+i.CursorPosition,
|
|
i.Par.Block.InnerY(),
|
|
termui.Cell{
|
|
Ch: char.Ch,
|
|
Fg: i.Par.TextBgColor,
|
|
Bg: i.Par.TextFgColor,
|
|
},
|
|
)
|
|
|
|
return buf
|
|
}
|
|
|
|
// GetHeight implements interface termui.GridBufferer
|
|
func (i *Input) GetHeight() int {
|
|
return i.Par.Block.GetHeight()
|
|
}
|
|
|
|
// SetWidth implements interface termui.GridBufferer
|
|
func (i *Input) SetWidth(w int) {
|
|
i.Par.SetWidth(w)
|
|
}
|
|
|
|
// SetX implements interface termui.GridBufferer
|
|
func (i *Input) SetX(x int) {
|
|
i.Par.SetX(x)
|
|
}
|
|
|
|
// SetY implements interface termui.GridBufferer
|
|
func (i *Input) SetY(y int) {
|
|
i.Par.SetY(y)
|
|
}
|
|
|
|
// SendMessage send the input text through the SlackService
|
|
func (i *Input) SendMessage(svc *SlackService, channel string, message string) {
|
|
svc.SendMessage(channel, message)
|
|
}
|
|
|
|
// Insert will insert a given key at the place of the current CursorPosition
|
|
func (i *Input) Insert(key rune) {
|
|
if len(i.Text) < i.Par.InnerBounds().Dx()-1 {
|
|
|
|
left := make([]rune, len(i.Text[0:i.CursorPosition]))
|
|
copy(left, i.Text[0:i.CursorPosition])
|
|
left = append(left, key)
|
|
|
|
i.Text = append(left, i.Text[i.CursorPosition:]...)
|
|
|
|
i.Par.Text = string(i.Text)
|
|
i.MoveCursorRight()
|
|
}
|
|
}
|
|
|
|
// Backspace will remove a character in front of the CursorPosition
|
|
func (i *Input) Backspace() {
|
|
if i.CursorPosition > 0 {
|
|
i.Text = append(i.Text[0:i.CursorPosition-1], i.Text[i.CursorPosition:]...)
|
|
i.Par.Text = string(i.Text)
|
|
i.MoveCursorLeft()
|
|
}
|
|
}
|
|
|
|
// Delete will remove a character at the CursorPosition
|
|
func (i *Input) Delete() {
|
|
if i.CursorPosition < len(i.Text) {
|
|
i.Text = append(i.Text[0:i.CursorPosition], i.Text[i.CursorPosition+1:]...)
|
|
i.Par.Text = string(i.Text)
|
|
}
|
|
}
|
|
|
|
// MoveCursorRight will increase the current CursorPosition with 1
|
|
func (i *Input) MoveCursorRight() {
|
|
if i.CursorPosition < len(i.Text) {
|
|
i.CursorPosition++
|
|
}
|
|
}
|
|
|
|
// MoveCursorLeft will decrease the current CursorPosition with 1
|
|
func (i *Input) MoveCursorLeft() {
|
|
if i.CursorPosition > 0 {
|
|
i.CursorPosition--
|
|
}
|
|
}
|
|
|
|
// IsEmpty will return true when the input is empty
|
|
func (i *Input) IsEmpty() bool {
|
|
if i.Par.Text == "" {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Clear will empty the input and move the cursor to the start position
|
|
func (i *Input) Clear() {
|
|
i.Text = make([]rune, 0)
|
|
i.Par.Text = ""
|
|
i.CursorPosition = 0
|
|
}
|
|
|
|
// GetText returns the text currently in the input
|
|
func (i *Input) GetText() string {
|
|
return i.Par.Text
|
|
}
|