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|
package viminput
import (
"strings"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
)
type (
Keymap struct{}
LineDecoration = func(lnum int, m Model) string
)
type Line []byte
type Model struct {
keymap Keymap
PlaceholderStyle lipgloss.Style
PromptStyle lipgloss.Style
Placeholder string
LineDecoration LineDecoration
lines []Line
CursorLine int
CursorColumn int
width int
height int
focus bool
}
func New(width, height int) Model {
return Model{
keymap: Keymap{},
PlaceholderStyle: lipgloss.NewStyle(),
PromptStyle: lipgloss.NewStyle(),
Placeholder: "",
LineDecoration: EmptyLineDecoration,
width: width,
height: height,
focus: false,
}
}
func (m Model) Init() tea.Cmd {
return nil
}
func (m Model) View() string {
var lines []Line
if len(m.lines) == 0 {
placeholder := m.PlaceholderStyle.Render(m.Placeholder)
lines = append(lines, Line(placeholder))
} else {
lines = m.lines
}
var builder strings.Builder
for i, line := range lines {
lineDecoration := m.LineDecoration(i, m)
builder.WriteString(lineDecoration)
builder.Write(line)
builder.WriteByte('\n')
}
result := builder.String()
result = lipgloss.NewStyle().Width(m.width).Height(m.height).Render(result)
return result
}
func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
if !m.focus {
return m, nil
}
return m, nil
}
func (m *Model) SetWidth(width int) {
m.width = width
}
func (m Model) Width() int {
return m.width
}
func (m *Model) SetHeight(height int) {
m.height = height
}
func (m Model) Height() int {
return m.height
}
func (m *Model) Focus() {
m.focus = true
}
func (m *Model) Blur() {
m.focus = false
}
func (m *Model) SetLines(lines ...Line) {
m.lines = lines
}
func (m *Model) SetLine(lnum int, line Line) {
m.lines[lnum] = line
}
func (m *Model) Line(lnum int) Line {
return m.lines[lnum]
}
|
