mirror of
https://github.com/sst/opencode.git
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489 lines
13 KiB
Go
489 lines
13 KiB
Go
package chat
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import (
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"encoding/base64"
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"fmt"
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"log/slog"
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"net/url"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/charmbracelet/bubbles/v2/spinner"
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tea "github.com/charmbracelet/bubbletea/v2"
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"github.com/charmbracelet/lipgloss/v2"
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"github.com/google/uuid"
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"github.com/sst/opencode-sdk-go"
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"github.com/sst/opencode/internal/app"
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"github.com/sst/opencode/internal/clipboard"
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"github.com/sst/opencode/internal/commands"
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"github.com/sst/opencode/internal/components/dialog"
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"github.com/sst/opencode/internal/components/textarea"
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"github.com/sst/opencode/internal/styles"
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"github.com/sst/opencode/internal/theme"
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"github.com/sst/opencode/internal/util"
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)
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type EditorComponent interface {
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tea.Model
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View(width int) string
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Content(width int) string
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Lines() int
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Value() string
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Length() int
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Focused() bool
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Focus() (tea.Model, tea.Cmd)
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Blur()
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Submit() (tea.Model, tea.Cmd)
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Clear() (tea.Model, tea.Cmd)
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Paste() (tea.Model, tea.Cmd)
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Newline() (tea.Model, tea.Cmd)
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SetValue(value string)
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SetInterruptKeyInDebounce(inDebounce bool)
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SetExitKeyInDebounce(inDebounce bool)
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}
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type editorComponent struct {
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app *app.App
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textarea textarea.Model
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spinner spinner.Model
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interruptKeyInDebounce bool
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exitKeyInDebounce bool
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}
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func (m *editorComponent) Init() tea.Cmd {
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return tea.Batch(m.textarea.Focus(), m.spinner.Tick, tea.EnableReportFocus)
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}
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func (m *editorComponent) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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var cmds []tea.Cmd
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var cmd tea.Cmd
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switch msg := msg.(type) {
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case spinner.TickMsg:
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m.spinner, cmd = m.spinner.Update(msg)
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return m, cmd
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case tea.KeyPressMsg:
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// Maximize editor responsiveness for printable characters
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if msg.Text != "" {
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m.textarea, cmd = m.textarea.Update(msg)
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cmds = append(cmds, cmd)
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return m, tea.Batch(cmds...)
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}
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case tea.PasteMsg:
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text := string(msg)
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text = strings.ReplaceAll(text, "\\", "")
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text, err := strconv.Unquote(`"` + text + `"`)
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if err != nil {
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slog.Error("Failed to unquote text", "error", err)
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m.textarea.InsertRunesFromUserInput([]rune(msg))
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return m, nil
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}
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if _, err := os.Stat(text); err != nil {
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slog.Error("Failed to paste file", "error", err)
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m.textarea.InsertRunesFromUserInput([]rune(msg))
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return m, nil
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}
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filePath := text
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ext := strings.ToLower(filepath.Ext(filePath))
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mediaType := ""
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switch ext {
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case ".jpg":
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mediaType = "image/jpeg"
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case ".png", ".jpeg", ".gif", ".webp":
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mediaType = "image/" + ext[1:]
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case ".pdf":
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mediaType = "application/pdf"
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default:
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attachment := &textarea.Attachment{
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ID: uuid.NewString(),
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Display: "@" + filePath,
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URL: fmt.Sprintf("file://./%s", filePath),
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Filename: filePath,
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MediaType: "text/plain",
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}
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m.textarea.InsertAttachment(attachment)
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m.textarea.InsertString(" ")
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return m, nil
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}
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fileBytes, err := os.ReadFile(filePath)
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if err != nil {
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slog.Error("Failed to read file", "error", err)
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m.textarea.InsertRunesFromUserInput([]rune(msg))
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return m, nil
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}
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base64EncodedFile := base64.StdEncoding.EncodeToString(fileBytes)
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url := fmt.Sprintf("data:%s;base64,%s", mediaType, base64EncodedFile)
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attachmentCount := len(m.textarea.GetAttachments())
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attachmentIndex := attachmentCount + 1
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label := "File"
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if strings.HasPrefix(mediaType, "image/") {
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label = "Image"
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}
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attachment := &textarea.Attachment{
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ID: uuid.NewString(),
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MediaType: mediaType,
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Display: fmt.Sprintf("[%s #%d]", label, attachmentIndex),
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URL: url,
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Filename: filePath,
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}
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m.textarea.InsertAttachment(attachment)
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m.textarea.InsertString(" ")
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case tea.ClipboardMsg:
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text := string(msg)
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m.textarea.InsertRunesFromUserInput([]rune(text))
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case dialog.ThemeSelectedMsg:
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m.textarea = updateTextareaStyles(m.textarea)
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m.spinner = createSpinner()
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return m, tea.Batch(m.spinner.Tick, m.textarea.Focus())
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case dialog.CompletionSelectedMsg:
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switch msg.Item.GetProviderID() {
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case "commands":
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commandName := strings.TrimPrefix(msg.Item.GetValue(), "/")
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updated, cmd := m.Clear()
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m = updated.(*editorComponent)
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cmds = append(cmds, cmd)
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cmds = append(cmds, util.CmdHandler(commands.ExecuteCommandMsg(m.app.Commands[commands.CommandName(commandName)])))
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return m, tea.Batch(cmds...)
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case "files":
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atIndex := m.textarea.LastRuneIndex('@')
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if atIndex == -1 {
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// Should not happen, but as a fallback, just insert.
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m.textarea.InsertString(msg.Item.GetValue() + " ")
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return m, nil
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}
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// The range to replace is from the '@' up to the current cursor position.
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// Replace the search term (e.g., "@search") with an empty string first.
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cursorCol := m.textarea.CursorColumn()
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m.textarea.ReplaceRange(atIndex, cursorCol, "")
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// Now, insert the attachment at the position where the '@' was.
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// The cursor is now at `atIndex` after the replacement.
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filePath := msg.Item.GetValue()
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extension := filepath.Ext(filePath)
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mediaType := ""
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switch extension {
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case ".jpg":
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mediaType = "image/jpeg"
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case ".png", ".jpeg", ".gif", ".webp":
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mediaType = "image/" + extension[1:]
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case ".pdf":
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mediaType = "application/pdf"
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default:
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mediaType = "text/plain"
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}
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attachment := &textarea.Attachment{
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ID: uuid.NewString(),
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Display: "@" + filePath,
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URL: fmt.Sprintf("file://./%s", url.PathEscape(filePath)),
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Filename: filePath,
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MediaType: mediaType,
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}
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m.textarea.InsertAttachment(attachment)
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m.textarea.InsertString(" ")
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return m, nil
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case "symbols":
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atIndex := m.textarea.LastRuneIndex('@')
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if atIndex == -1 {
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// Should not happen, but as a fallback, just insert.
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m.textarea.InsertString(msg.Item.GetValue() + " ")
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return m, nil
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}
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cursorCol := m.textarea.CursorColumn()
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m.textarea.ReplaceRange(atIndex, cursorCol, "")
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symbol := msg.Item.GetRaw().(opencode.Symbol)
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parts := strings.Split(symbol.Name, ".")
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lastPart := parts[len(parts)-1]
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attachment := &textarea.Attachment{
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ID: uuid.NewString(),
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Display: "@" + lastPart,
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URL: msg.Item.GetValue(),
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Filename: lastPart,
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MediaType: "text/plain",
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}
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m.textarea.InsertAttachment(attachment)
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m.textarea.InsertString(" ")
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return m, nil
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default:
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slog.Debug("Unknown provider", "provider", msg.Item.GetProviderID())
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return m, nil
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}
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}
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m.spinner, cmd = m.spinner.Update(msg)
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cmds = append(cmds, cmd)
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m.textarea, cmd = m.textarea.Update(msg)
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cmds = append(cmds, cmd)
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return m, tea.Batch(cmds...)
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}
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func (m *editorComponent) Content(width int) string {
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t := theme.CurrentTheme()
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base := styles.NewStyle().Foreground(t.Text()).Background(t.Background()).Render
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muted := styles.NewStyle().Foreground(t.TextMuted()).Background(t.Background()).Render
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promptStyle := styles.NewStyle().Foreground(t.Primary()).
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Padding(0, 0, 0, 1).
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Bold(true)
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prompt := promptStyle.Render(">")
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m.textarea.SetWidth(width - 6)
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textarea := lipgloss.JoinHorizontal(
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lipgloss.Top,
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prompt,
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m.textarea.View(),
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)
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textarea = styles.NewStyle().
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Background(t.BackgroundElement()).
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Width(width).
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PaddingTop(1).
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PaddingBottom(1).
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BorderStyle(lipgloss.ThickBorder()).
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BorderForeground(t.Border()).
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BorderBackground(t.Background()).
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BorderLeft(true).
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BorderRight(true).
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Render(textarea)
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hint := base(m.getSubmitKeyText()) + muted(" send ")
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if m.exitKeyInDebounce {
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keyText := m.getExitKeyText()
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hint = base(keyText+" again") + muted(" to exit")
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} else if m.app.IsBusy() {
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keyText := m.getInterruptKeyText()
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if m.interruptKeyInDebounce {
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hint = muted(
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"working",
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) + m.spinner.View() + muted(
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" ",
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) + base(
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keyText+" again",
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) + muted(
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" interrupt",
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)
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} else {
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hint = muted("working") + m.spinner.View() + muted(" ") + base(keyText) + muted(" interrupt")
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}
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}
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model := ""
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if m.app.Model != nil {
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model = muted(m.app.Provider.Name) + base(" "+m.app.Model.Name)
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}
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space := width - 2 - lipgloss.Width(model) - lipgloss.Width(hint)
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spacer := styles.NewStyle().Background(t.Background()).Width(space).Render("")
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info := hint + spacer + model
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info = styles.NewStyle().Background(t.Background()).Padding(0, 1).Render(info)
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content := strings.Join([]string{"", textarea, info}, "\n")
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return content
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}
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func (m *editorComponent) View(width int) string {
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if m.Lines() > 1 {
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return lipgloss.Place(
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width,
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5,
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lipgloss.Center,
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lipgloss.Center,
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"",
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styles.WhitespaceStyle(theme.CurrentTheme().Background()),
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)
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}
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return m.Content(width)
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}
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func (m *editorComponent) Focused() bool {
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return m.textarea.Focused()
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}
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func (m *editorComponent) Focus() (tea.Model, tea.Cmd) {
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return m, m.textarea.Focus()
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}
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func (m *editorComponent) Blur() {
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m.textarea.Blur()
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}
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func (m *editorComponent) Lines() int {
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return m.textarea.LineCount()
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}
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func (m *editorComponent) Value() string {
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return m.textarea.Value()
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}
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func (m *editorComponent) Length() int {
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return m.textarea.Length()
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}
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func (m *editorComponent) Submit() (tea.Model, tea.Cmd) {
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value := strings.TrimSpace(m.Value())
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if value == "" {
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return m, nil
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}
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if len(value) > 0 && value[len(value)-1] == '\\' {
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// If the last character is a backslash, remove it and add a newline
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m.textarea.ReplaceRange(len(value)-1, len(value), "")
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m.textarea.InsertString("\n")
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return m, nil
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}
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var cmds []tea.Cmd
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attachments := m.textarea.GetAttachments()
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fileParts := make([]opencode.FilePartParam, 0)
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for _, attachment := range attachments {
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fileParts = append(fileParts, opencode.FilePartParam{
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Type: opencode.F(opencode.FilePartTypeFile),
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Mime: opencode.F(attachment.MediaType),
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URL: opencode.F(attachment.URL),
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Filename: opencode.F(attachment.Filename),
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})
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}
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updated, cmd := m.Clear()
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m = updated.(*editorComponent)
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cmds = append(cmds, cmd)
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cmds = append(cmds, util.CmdHandler(app.SendMsg{Text: value, Attachments: fileParts}))
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return m, tea.Batch(cmds...)
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}
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func (m *editorComponent) Clear() (tea.Model, tea.Cmd) {
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m.textarea.Reset()
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return m, nil
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}
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func (m *editorComponent) Paste() (tea.Model, tea.Cmd) {
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imageBytes := clipboard.Read(clipboard.FmtImage)
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if imageBytes != nil {
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attachmentCount := len(m.textarea.GetAttachments())
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attachmentIndex := attachmentCount + 1
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base64EncodedFile := base64.StdEncoding.EncodeToString(imageBytes)
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attachment := &textarea.Attachment{
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ID: uuid.NewString(),
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MediaType: "image/png",
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Display: fmt.Sprintf("[Image #%d]", attachmentIndex),
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Filename: fmt.Sprintf("image-%d.png", attachmentIndex),
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URL: fmt.Sprintf("data:image/png;base64,%s", base64EncodedFile),
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}
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m.textarea.InsertAttachment(attachment)
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m.textarea.InsertString(" ")
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return m, nil
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}
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textBytes := clipboard.Read(clipboard.FmtText)
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if textBytes != nil {
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m.textarea.InsertRunesFromUserInput([]rune(string(textBytes)))
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return m, nil
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}
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// fallback to reading the clipboard using OSC52
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return m, tea.ReadClipboard
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}
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func (m *editorComponent) Newline() (tea.Model, tea.Cmd) {
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m.textarea.Newline()
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return m, nil
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}
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func (m *editorComponent) SetInterruptKeyInDebounce(inDebounce bool) {
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m.interruptKeyInDebounce = inDebounce
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}
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func (m *editorComponent) SetValue(value string) {
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m.textarea.SetValue(value)
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}
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func (m *editorComponent) SetExitKeyInDebounce(inDebounce bool) {
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m.exitKeyInDebounce = inDebounce
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}
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func (m *editorComponent) getInterruptKeyText() string {
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return m.app.Commands[commands.SessionInterruptCommand].Keys()[0]
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}
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func (m *editorComponent) getSubmitKeyText() string {
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return m.app.Commands[commands.InputSubmitCommand].Keys()[0]
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}
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func (m *editorComponent) getExitKeyText() string {
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return m.app.Commands[commands.AppExitCommand].Keys()[0]
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}
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func updateTextareaStyles(ta textarea.Model) textarea.Model {
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t := theme.CurrentTheme()
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bgColor := t.BackgroundElement()
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textColor := t.Text()
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textMutedColor := t.TextMuted()
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ta.Styles.Blurred.Base = styles.NewStyle().Foreground(textColor).Background(bgColor).Lipgloss()
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ta.Styles.Blurred.CursorLine = styles.NewStyle().Background(bgColor).Lipgloss()
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ta.Styles.Blurred.Placeholder = styles.NewStyle().
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Foreground(textMutedColor).
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Background(bgColor).
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Lipgloss()
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ta.Styles.Blurred.Text = styles.NewStyle().Foreground(textColor).Background(bgColor).Lipgloss()
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ta.Styles.Focused.Base = styles.NewStyle().Foreground(textColor).Background(bgColor).Lipgloss()
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ta.Styles.Focused.CursorLine = styles.NewStyle().Background(bgColor).Lipgloss()
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ta.Styles.Focused.Placeholder = styles.NewStyle().
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Foreground(textMutedColor).
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Background(bgColor).
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Lipgloss()
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ta.Styles.Focused.Text = styles.NewStyle().Foreground(textColor).Background(bgColor).Lipgloss()
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ta.Styles.Attachment = styles.NewStyle().
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Foreground(t.Secondary()).
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Background(bgColor).
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Lipgloss()
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ta.Styles.SelectedAttachment = styles.NewStyle().
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Foreground(t.Text()).
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Background(t.Secondary()).
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Lipgloss()
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ta.Styles.Cursor.Color = t.Primary()
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return ta
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}
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func createSpinner() spinner.Model {
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t := theme.CurrentTheme()
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return spinner.New(
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spinner.WithSpinner(spinner.Ellipsis),
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spinner.WithStyle(
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styles.NewStyle().
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Background(t.Background()).
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Foreground(t.TextMuted()).
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Width(3).
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Lipgloss(),
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),
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)
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}
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func NewEditorComponent(app *app.App) EditorComponent {
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s := createSpinner()
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ta := textarea.New()
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ta.Prompt = " "
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ta.ShowLineNumbers = false
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ta.CharLimit = -1
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ta = updateTextareaStyles(ta)
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m := &editorComponent{
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app: app,
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textarea: ta,
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spinner: s,
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interruptKeyInDebounce: false,
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}
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return m
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}
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