Split chat view into files
This commit is contained in:
parent
2580087b4d
commit
136c463924
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@ -1,26 +1,16 @@
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package chat
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import (
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"context"
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"encoding/json"
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"fmt"
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"strings"
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"time"
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cmdutil "git.mlow.ca/mlow/lmcli/pkg/cmd/util"
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models "git.mlow.ca/mlow/lmcli/pkg/lmcli/model"
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"git.mlow.ca/mlow/lmcli/pkg/tui/shared"
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"git.mlow.ca/mlow/lmcli/pkg/tui/styles"
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tuiutil "git.mlow.ca/mlow/lmcli/pkg/tui/util"
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"github.com/charmbracelet/bubbles/cursor"
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"github.com/charmbracelet/bubbles/spinner"
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"github.com/charmbracelet/bubbles/textarea"
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"github.com/charmbracelet/bubbles/viewport"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/lipgloss"
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"github.com/muesli/reflow/wordwrap"
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"github.com/muesli/reflow/wrap"
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"gopkg.in/yaml.v2"
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)
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type focusState int
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@ -79,15 +69,16 @@ type Model struct {
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messageCache []string // cache of syntax highlighted and wrapped message content
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messageOffsets []int
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tokenCount uint
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startTime time.Time
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elapsed time.Duration
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// ui elements
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content viewport.Model
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input textarea.Model
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spinner spinner.Model
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replyCursor cursor.Model // cursor to indicate incoming response
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// metrics
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tokenCount uint
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startTime time.Time
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elapsed time.Duration
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}
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func Chat(state shared.State) Model {
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@ -148,944 +139,9 @@ func Chat(state shared.State) Model {
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return m
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}
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// styles
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var (
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messageHeadingStyle = lipgloss.NewStyle().
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MarginTop(1).
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MarginBottom(1).
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PaddingLeft(1).
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Bold(true)
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userStyle = lipgloss.NewStyle().Faint(true).Foreground(lipgloss.Color("10"))
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assistantStyle = lipgloss.NewStyle().Faint(true).Foreground(lipgloss.Color("12"))
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messageStyle = lipgloss.NewStyle().
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PaddingLeft(2).
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PaddingRight(2)
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inputFocusedStyle = lipgloss.NewStyle().
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Border(lipgloss.RoundedBorder(), true, true, true, false)
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inputBlurredStyle = lipgloss.NewStyle().
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Faint(true).
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Border(lipgloss.RoundedBorder(), true, true, true, false)
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footerStyle = lipgloss.NewStyle()
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)
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func (m *Model) HandleInput(msg tea.KeyMsg) (bool, tea.Cmd) {
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switch m.focus {
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case focusInput:
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consumed, cmd := m.HandleInputKey(msg)
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if consumed {
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return true, cmd
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}
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case focusMessages:
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consumed, cmd := m.handleMessagesKey(msg)
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if consumed {
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return true, cmd
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}
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}
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switch msg.String() {
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case "esc":
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if m.waitingForReply {
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m.stopSignal <- struct{}{}
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return true, nil
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}
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return true, func() tea.Msg {
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return shared.MsgViewChange(shared.StateConversations)
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}
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case "ctrl+c":
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if m.waitingForReply {
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m.stopSignal <- struct{}{}
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return true, nil
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}
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case "ctrl+p":
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m.persistence = !m.persistence
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return true, nil
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case "ctrl+t":
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m.showToolResults = !m.showToolResults
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m.rebuildMessageCache()
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m.updateContent()
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return true, nil
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case "ctrl+w":
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m.wrap = !m.wrap
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m.rebuildMessageCache()
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m.updateContent()
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return true, nil
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}
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return false, nil
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}
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func (m Model) Init() tea.Cmd {
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return tea.Batch(
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m.waitForChunk(),
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m.waitForReply(),
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)
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}
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func (m *Model) HandleResize(width, height int) {
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m.Width, m.Height = width, height
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m.content.Width = width
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m.input.SetWidth(width - m.input.FocusedStyle.Base.GetHorizontalFrameSize())
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if len(m.messages) > 0 {
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m.rebuildMessageCache()
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m.updateContent()
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}
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}
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func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
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var cmds []tea.Cmd
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switch msg := msg.(type) {
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case shared.MsgViewEnter:
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// wake up spinners and cursors
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cmds = append(cmds, cursor.Blink, m.spinner.Tick)
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if m.State.Values.ConvShortname != "" && m.conversation.ShortName.String != m.State.Values.ConvShortname {
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cmds = append(cmds, m.loadConversation(m.State.Values.ConvShortname))
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}
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m.rebuildMessageCache()
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m.updateContent()
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case tea.WindowSizeMsg:
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m.HandleResize(msg.Width, msg.Height)
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case tuiutil.MsgTempfileEditorClosed:
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contents := string(msg)
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switch m.editorTarget {
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case input:
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m.input.SetValue(contents)
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case selectedMessage:
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m.setMessageContents(m.selectedMessage, contents)
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if m.persistence && m.messages[m.selectedMessage].ID > 0 {
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// update persisted message
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err := m.State.Ctx.Store.UpdateMessage(&m.messages[m.selectedMessage])
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if err != nil {
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cmds = append(cmds, shared.WrapError(fmt.Errorf("Could not save edited message: %v", err)))
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}
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}
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m.updateContent()
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}
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case msgConversationLoaded:
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m.conversation = (*models.Conversation)(msg)
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m.rootMessages, _ = m.State.Ctx.Store.RootMessages(m.conversation.ID)
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cmds = append(cmds, m.loadMessages(m.conversation))
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case msgMessagesLoaded:
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m.selectedMessage = len(msg) - 1
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m.messages = msg
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m.rebuildMessageCache()
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m.updateContent()
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m.content.GotoBottom()
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case msgResponseChunk:
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cmds = append(cmds, m.waitForChunk()) // wait for the next chunk
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chunk := string(msg)
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if chunk == "" {
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break
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}
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last := len(m.messages) - 1
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if last >= 0 && m.messages[last].Role.IsAssistant() {
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// append chunk to existing message
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m.setMessageContents(last, m.messages[last].Content+chunk)
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} else {
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// use chunk in new message
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m.addMessage(models.Message{
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Role: models.MessageRoleAssistant,
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Content: chunk,
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})
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}
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m.updateContent()
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// show cursor and reset blink interval (simulate typing)
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m.replyCursor.Blink = false
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cmds = append(cmds, m.replyCursor.BlinkCmd())
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m.tokenCount++
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m.elapsed = time.Now().Sub(m.startTime)
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case msgAssistantReply:
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cmds = append(cmds, m.waitForReply()) // wait for the next reply
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reply := models.Message(msg)
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reply.Content = strings.TrimSpace(reply.Content)
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last := len(m.messages) - 1
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if last < 0 {
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panic("Unexpected empty messages handling msgAssistantReply")
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}
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if reply.Role.IsAssistant() && m.messages[last].Role.IsAssistant() {
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// this was a continuation, so replace the previous message with the completed reply
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m.setMessage(last, reply)
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} else {
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m.addMessage(reply)
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}
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if m.persistence {
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err := m.persistConversation()
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if err != nil {
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cmds = append(cmds, shared.WrapError(err))
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}
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}
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if m.conversation.Title == "" {
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cmds = append(cmds, m.generateConversationTitle())
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}
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m.updateContent()
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case msgResponseEnd:
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m.waitingForReply = false
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last := len(m.messages) - 1
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if last < 0 {
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panic("Unexpected empty messages handling msgResponseEnd")
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}
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m.setMessageContents(last, strings.TrimSpace(m.messages[last].Content))
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m.updateContent()
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m.status = "Press ctrl+s to send"
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case msgResponseError:
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m.waitingForReply = false
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m.status = "Press ctrl+s to send"
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m.State.Err = error(msg)
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m.updateContent()
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case msgConversationTitleChanged:
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title := string(msg)
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m.conversation.Title = title
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if m.persistence {
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err := m.State.Ctx.Store.UpdateConversation(m.conversation)
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if err != nil {
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cmds = append(cmds, shared.WrapError(err))
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}
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}
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case cursor.BlinkMsg:
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if m.waitingForReply {
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// ensure we show updated "wait for response" cursor blink state
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m.updateContent()
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}
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}
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var cmd tea.Cmd
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m.spinner, cmd = m.spinner.Update(msg)
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if cmd != nil {
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cmds = append(cmds, cmd)
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}
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m.replyCursor, cmd = m.replyCursor.Update(msg)
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if cmd != nil {
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cmds = append(cmds, cmd)
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}
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prevInputLineCnt := m.input.LineCount()
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inputCaptured := false
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m.input, cmd = m.input.Update(msg)
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if cmd != nil {
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inputCaptured = true
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cmds = append(cmds, cmd)
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}
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if !inputCaptured {
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m.content, cmd = m.content.Update(msg)
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if cmd != nil {
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cmds = append(cmds, cmd)
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}
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}
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// update views once window dimensions are known
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if m.Width > 0 {
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m.Header = m.headerView()
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m.Footer = m.footerView()
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m.Error = tuiutil.ErrorBanner(m.Err, m.Width)
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fixedHeight := tuiutil.Height(m.Header) + tuiutil.Height(m.Error) + tuiutil.Height(m.Footer)
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// calculate clamped input height to accomodate input text
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// minimum 4 lines, maximum half of content area
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newHeight := max(4, min((m.Height-fixedHeight-1)/2, m.input.LineCount()))
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m.input.SetHeight(newHeight)
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m.Input = m.input.View()
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// remaining height towards content
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m.content.Height = m.Height - fixedHeight - tuiutil.Height(m.Input)
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m.Content = m.content.View()
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}
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// this is a pretty nasty hack to ensure the input area viewport doesn't
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// scroll below its content, which can happen when the input viewport
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// height has grown, or previously entered lines have been deleted
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if prevInputLineCnt != m.input.LineCount() {
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// dist is the distance we'd need to scroll up from the current cursor
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// position to position the last input line at the bottom of the
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// viewport. if negative, we're already scrolled above the bottom
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dist := m.input.Line() - (m.input.LineCount() - m.input.Height())
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if dist > 0 {
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for i := 0; i < dist; i++ {
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// move cursor up until content reaches the bottom of the viewport
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m.input.CursorUp()
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}
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m.input, cmd = m.input.Update(nil)
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for i := 0; i < dist; i++ {
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// move cursor back down to its previous position
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m.input.CursorDown()
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}
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m.input, cmd = m.input.Update(nil)
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}
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}
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return m, tea.Batch(cmds...)
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}
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func (m *Model) handleMessagesKey(msg tea.KeyMsg) (bool, tea.Cmd) {
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switch msg.String() {
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case "tab", "enter":
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m.focus = focusInput
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m.updateContent()
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m.input.Focus()
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return true, nil
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case "e":
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message := m.messages[m.selectedMessage]
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cmd := tuiutil.OpenTempfileEditor("message.*.md", message.Content, "# Edit the message below\n")
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m.editorTarget = selectedMessage
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return true, cmd
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case "ctrl+k":
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if m.selectedMessage > 0 && len(m.messages) == len(m.messageOffsets) {
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m.selectedMessage--
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m.updateContent()
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offset := m.messageOffsets[m.selectedMessage]
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tuiutil.ScrollIntoView(&m.content, offset, m.content.Height/2)
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}
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return true, nil
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case "ctrl+j":
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if m.selectedMessage < len(m.messages)-1 && len(m.messages) == len(m.messageOffsets) {
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m.selectedMessage++
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m.updateContent()
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offset := m.messageOffsets[m.selectedMessage]
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tuiutil.ScrollIntoView(&m.content, offset, m.content.Height/2)
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}
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return true, nil
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case "ctrl+h", "ctrl+l":
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dir := CyclePrev
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if msg.String() == "ctrl+l" {
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dir = CycleNext
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}
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var err error
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var selected *models.Message
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if m.selectedMessage == 0 {
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selected, err = m.cycleSelectedRoot(m.conversation, dir)
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if err != nil {
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return true, shared.WrapError(fmt.Errorf("Could not cycle conversation root: %v", err))
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}
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} else if m.selectedMessage > 0 {
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selected, err = m.cycleSelectedReply(&m.messages[m.selectedMessage-1], dir)
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if err != nil {
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return true, shared.WrapError(fmt.Errorf("Could not cycle reply: %v", err))
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}
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}
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if selected == nil {
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return false, nil
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}
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// Retrieve updated view at this point
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newPath, err := m.State.Ctx.Store.PathToLeaf(selected)
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if err != nil {
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m.State.Err = fmt.Errorf("Could not fetch messages: %v", err)
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}
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m.messages = append(m.messages[:m.selectedMessage], newPath...)
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m.rebuildMessageCache()
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m.updateContent()
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return true, nil
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case "ctrl+r":
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// resubmit the conversation with all messages up until and including the selected message
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if m.waitingForReply || len(m.messages) == 0 {
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return true, nil
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}
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m.messages = m.messages[:m.selectedMessage+1]
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m.messageCache = m.messageCache[:m.selectedMessage+1]
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cmd := m.promptLLM()
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m.updateContent()
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m.content.GotoBottom()
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return true, cmd
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}
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return false, nil
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}
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type CycleDirection int
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const (
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CycleNext CycleDirection = 1
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CyclePrev CycleDirection = -1
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)
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func cycleMessages(m *models.Message, msgs []models.Message, dir CycleDirection) (*models.Message, error) {
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currentIndex := -1
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for i, reply := range msgs {
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if reply.ID == m.ID {
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currentIndex = i
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break
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}
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}
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if currentIndex < 0 {
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return nil, fmt.Errorf("message not found")
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}
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var next int
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if dir == CyclePrev {
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// Wrap around to the last reply if at the beginning
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next = (currentIndex - 1 + len(msgs)) % len(msgs)
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} else {
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// Wrap around to the first reply if at the end
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next = (currentIndex + 1) % len(msgs)
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}
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return &msgs[next], nil
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}
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func (m *Model) cycleSelectedRoot(conv *models.Conversation, dir CycleDirection) (*models.Message, error) {
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if len(m.rootMessages) < 2 {
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return nil, nil
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}
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nextRoot, err := cycleMessages(conv.SelectedRoot, m.rootMessages, dir)
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if err != nil {
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return nil, err
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}
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conv.SelectedRoot = nextRoot
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err = m.State.Ctx.Store.UpdateConversation(conv)
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if err != nil {
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return nil, fmt.Errorf("Could not update conversation: %v", err)
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}
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return nextRoot, nil
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}
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func (m *Model) cycleSelectedReply(message *models.Message, dir CycleDirection) (*models.Message, error) {
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if len(message.Replies) < 2 {
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return nil, nil
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}
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nextReply, err := cycleMessages(message.SelectedReply, message.Replies, dir)
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if err != nil {
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return nil, err
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}
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message.SelectedReply = nextReply
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err = m.State.Ctx.Store.UpdateMessage(message)
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if err != nil {
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return nil, fmt.Errorf("Could not update message: %v", err)
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}
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return nextReply, nil
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}
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func (m *Model) HandleInputKey(msg tea.KeyMsg) (bool, tea.Cmd) {
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switch msg.String() {
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case "esc":
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m.focus = focusMessages
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if len(m.messages) > 0 {
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if m.selectedMessage < 0 || m.selectedMessage >= len(m.messages) {
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m.selectedMessage = len(m.messages) - 1
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}
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offset := m.messageOffsets[m.selectedMessage]
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tuiutil.ScrollIntoView(&m.content, offset, m.content.Height/2)
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}
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m.updateContent()
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m.input.Blur()
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return true, nil
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case "ctrl+s":
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if m.waitingForReply {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
input := strings.TrimSpace(m.input.Value())
|
||||
if input == "" {
|
||||
return true, nil
|
||||
}
|
||||
|
||||
if len(m.messages) > 0 && m.messages[len(m.messages)-1].Role == models.MessageRoleUser {
|
||||
return true, shared.WrapError(fmt.Errorf("Can't reply to a user message"))
|
||||
}
|
||||
|
||||
m.addMessage(models.Message{
|
||||
Role: models.MessageRoleUser,
|
||||
Content: input,
|
||||
})
|
||||
|
||||
m.input.SetValue("")
|
||||
|
||||
if m.persistence {
|
||||
err := m.persistConversation()
|
||||
if err != nil {
|
||||
return true, shared.WrapError(err)
|
||||
}
|
||||
}
|
||||
|
||||
cmd := m.promptLLM()
|
||||
m.updateContent()
|
||||
m.content.GotoBottom()
|
||||
return true, cmd
|
||||
case "ctrl+e":
|
||||
cmd := tuiutil.OpenTempfileEditor("message.*.md", m.input.Value(), "# Edit your input below\n")
|
||||
m.editorTarget = input
|
||||
return true, cmd
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
|
||||
func (m Model) View() string {
|
||||
if m.Width == 0 {
|
||||
return ""
|
||||
}
|
||||
sections := make([]string, 0, 6)
|
||||
|
||||
if m.Header != "" {
|
||||
sections = append(sections, m.Header)
|
||||
}
|
||||
|
||||
sections = append(sections, m.Content)
|
||||
if m.Error != "" {
|
||||
sections = append(sections, m.Error)
|
||||
}
|
||||
sections = append(sections, m.Input)
|
||||
|
||||
if m.Footer != "" {
|
||||
sections = append(sections, m.Footer)
|
||||
}
|
||||
|
||||
return lipgloss.JoinVertical(lipgloss.Left, sections...)
|
||||
}
|
||||
|
||||
func (m *Model) renderMessageHeading(i int, message *models.Message) string {
|
||||
icon := ""
|
||||
friendly := message.Role.FriendlyRole()
|
||||
style := lipgloss.NewStyle().Faint(true).Bold(true)
|
||||
|
||||
switch message.Role {
|
||||
case models.MessageRoleSystem:
|
||||
icon = "⚙️"
|
||||
case models.MessageRoleUser:
|
||||
style = userStyle
|
||||
case models.MessageRoleAssistant:
|
||||
style = assistantStyle
|
||||
case models.MessageRoleToolCall:
|
||||
style = assistantStyle
|
||||
friendly = models.MessageRoleAssistant.FriendlyRole()
|
||||
case models.MessageRoleToolResult:
|
||||
icon = "🔧"
|
||||
}
|
||||
|
||||
user := style.Render(icon + friendly)
|
||||
|
||||
var prefix string
|
||||
var suffix string
|
||||
|
||||
faint := lipgloss.NewStyle().Faint(true)
|
||||
|
||||
if i == 0 && len(m.rootMessages) > 0 {
|
||||
selectedRootIndex := 0
|
||||
for j, reply := range m.rootMessages {
|
||||
if reply.ID == *m.conversation.SelectedRootID {
|
||||
selectedRootIndex = j
|
||||
break
|
||||
}
|
||||
}
|
||||
suffix += faint.Render(fmt.Sprintf(" <%d/%d>", selectedRootIndex+1, len(m.rootMessages)))
|
||||
}
|
||||
if i > 0 && len(m.messages[i-1].Replies) > 1 {
|
||||
// Find the selected reply index
|
||||
selectedReplyIndex := 0
|
||||
for j, reply := range m.messages[i-1].Replies {
|
||||
if reply.ID == *m.messages[i-1].SelectedReplyID {
|
||||
selectedReplyIndex = j
|
||||
break
|
||||
}
|
||||
}
|
||||
suffix += faint.Render(fmt.Sprintf(" <%d/%d>", selectedReplyIndex+1, len(m.messages[i-1].Replies)))
|
||||
}
|
||||
|
||||
if m.focus == focusMessages {
|
||||
if i == m.selectedMessage {
|
||||
prefix = "> "
|
||||
}
|
||||
}
|
||||
|
||||
if message.ID == 0 {
|
||||
suffix += faint.Render(" (not saved)")
|
||||
}
|
||||
|
||||
return messageHeadingStyle.Render(prefix + user + suffix)
|
||||
}
|
||||
|
||||
func (m *Model) renderMessage(i int) string {
|
||||
msg := &m.messages[i]
|
||||
|
||||
// Write message contents
|
||||
sb := &strings.Builder{}
|
||||
sb.Grow(len(msg.Content) * 2)
|
||||
if msg.Content != "" {
|
||||
err := m.State.Ctx.Chroma.Highlight(sb, msg.Content)
|
||||
if err != nil {
|
||||
sb.Reset()
|
||||
sb.WriteString(msg.Content)
|
||||
}
|
||||
}
|
||||
|
||||
// Show the assistant's cursor
|
||||
if m.waitingForReply && i == len(m.messages)-1 {
|
||||
sb.WriteString(m.replyCursor.View())
|
||||
}
|
||||
|
||||
// Write tool call info
|
||||
var toolString string
|
||||
switch msg.Role {
|
||||
case models.MessageRoleToolCall:
|
||||
bytes, err := yaml.Marshal(msg.ToolCalls)
|
||||
if err != nil {
|
||||
toolString = "Could not serialize ToolCalls"
|
||||
} else {
|
||||
toolString = "tool_calls:\n" + string(bytes)
|
||||
}
|
||||
case models.MessageRoleToolResult:
|
||||
if !m.showToolResults {
|
||||
break
|
||||
}
|
||||
|
||||
type renderedResult struct {
|
||||
ToolName string `yaml:"tool"`
|
||||
Result any
|
||||
}
|
||||
|
||||
var toolResults []renderedResult
|
||||
for _, result := range msg.ToolResults {
|
||||
var jsonResult interface{}
|
||||
err := json.Unmarshal([]byte(result.Result), &jsonResult)
|
||||
if err != nil {
|
||||
// If parsing as JSON fails, treat Result as a plain string
|
||||
toolResults = append(toolResults, renderedResult{
|
||||
ToolName: result.ToolName,
|
||||
Result: result.Result,
|
||||
})
|
||||
} else {
|
||||
// If parsing as JSON succeeds, marshal the parsed JSON into YAML
|
||||
toolResults = append(toolResults, renderedResult{
|
||||
ToolName: result.ToolName,
|
||||
Result: &jsonResult,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
bytes, err := yaml.Marshal(toolResults)
|
||||
if err != nil {
|
||||
toolString = "Could not serialize ToolResults"
|
||||
} else {
|
||||
toolString = "tool_results:\n" + string(bytes)
|
||||
}
|
||||
}
|
||||
|
||||
if toolString != "" {
|
||||
toolString = strings.TrimRight(toolString, "\n")
|
||||
if msg.Content != "" {
|
||||
sb.WriteString("\n\n")
|
||||
}
|
||||
_ = m.State.Ctx.Chroma.HighlightLang(sb, toolString, "yaml")
|
||||
}
|
||||
|
||||
content := strings.TrimRight(sb.String(), "\n")
|
||||
|
||||
if m.wrap {
|
||||
wrapWidth := m.content.Width - messageStyle.GetHorizontalPadding()
|
||||
// first we word-wrap text to slightly less than desired width (since
|
||||
// wordwrap seems to have an off-by-1 issue), then hard wrap at
|
||||
// desired with
|
||||
content = wrap.String(wordwrap.String(content, wrapWidth-2), wrapWidth)
|
||||
}
|
||||
|
||||
return messageStyle.Width(0).Render(content)
|
||||
}
|
||||
|
||||
// render the conversation into a string
|
||||
func (m *Model) conversationMessagesView() string {
|
||||
sb := strings.Builder{}
|
||||
|
||||
m.messageOffsets = make([]int, len(m.messages))
|
||||
lineCnt := 1
|
||||
for i, message := range m.messages {
|
||||
m.messageOffsets[i] = lineCnt
|
||||
|
||||
switch message.Role {
|
||||
case models.MessageRoleToolCall:
|
||||
if !m.showToolResults && message.Content == "" {
|
||||
continue
|
||||
}
|
||||
case models.MessageRoleToolResult:
|
||||
if !m.showToolResults {
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
heading := m.renderMessageHeading(i, &message)
|
||||
sb.WriteString(heading)
|
||||
sb.WriteString("\n")
|
||||
lineCnt += lipgloss.Height(heading)
|
||||
|
||||
var rendered string
|
||||
if m.waitingForReply && i == len(m.messages)-1 {
|
||||
// do a direct render of final (assistant) message to handle the
|
||||
// assistant cursor blink
|
||||
rendered = m.renderMessage(i)
|
||||
} else {
|
||||
rendered = m.messageCache[i]
|
||||
}
|
||||
|
||||
sb.WriteString(rendered)
|
||||
sb.WriteString("\n")
|
||||
lineCnt += lipgloss.Height(rendered)
|
||||
}
|
||||
|
||||
return sb.String()
|
||||
}
|
||||
|
||||
func (m *Model) headerView() string {
|
||||
titleStyle := lipgloss.NewStyle().Bold(true)
|
||||
var title string
|
||||
if m.conversation != nil && m.conversation.Title != "" {
|
||||
title = m.conversation.Title
|
||||
} else {
|
||||
title = "Untitled"
|
||||
}
|
||||
title = tuiutil.TruncateToCellWidth(title, m.Width-styles.Header.GetHorizontalPadding(), "...")
|
||||
header := titleStyle.Render(title)
|
||||
return styles.Header.Width(m.Width).Render(header)
|
||||
}
|
||||
|
||||
func (m *Model) footerView() string {
|
||||
segmentStyle := lipgloss.NewStyle().PaddingLeft(1).PaddingRight(1).Faint(true)
|
||||
segmentSeparator := "|"
|
||||
|
||||
savingStyle := segmentStyle.Copy().Bold(true)
|
||||
saving := ""
|
||||
if m.persistence {
|
||||
saving = savingStyle.Foreground(lipgloss.Color("2")).Render("✅💾")
|
||||
} else {
|
||||
saving = savingStyle.Foreground(lipgloss.Color("1")).Render("❌💾")
|
||||
}
|
||||
|
||||
status := m.status
|
||||
if m.waitingForReply {
|
||||
status += m.spinner.View()
|
||||
}
|
||||
|
||||
leftSegments := []string{
|
||||
saving,
|
||||
segmentStyle.Render(status),
|
||||
}
|
||||
rightSegments := []string{}
|
||||
|
||||
if m.elapsed > 0 && m.tokenCount > 0 {
|
||||
throughput := fmt.Sprintf("%.0f t/sec", float64(m.tokenCount)/m.elapsed.Seconds())
|
||||
rightSegments = append(rightSegments, segmentStyle.Render(throughput))
|
||||
}
|
||||
|
||||
model := fmt.Sprintf("Model: %s", *m.State.Ctx.Config.Defaults.Model)
|
||||
rightSegments = append(rightSegments, segmentStyle.Render(model))
|
||||
|
||||
left := strings.Join(leftSegments, segmentSeparator)
|
||||
right := strings.Join(rightSegments, segmentSeparator)
|
||||
|
||||
totalWidth := lipgloss.Width(left) + lipgloss.Width(right)
|
||||
remaining := m.Width - totalWidth
|
||||
|
||||
var padding string
|
||||
if remaining > 0 {
|
||||
padding = strings.Repeat(" ", remaining)
|
||||
}
|
||||
|
||||
footer := left + padding + right
|
||||
if remaining < 0 {
|
||||
footer = tuiutil.TruncateToCellWidth(footer, m.Width, "...")
|
||||
}
|
||||
return footerStyle.Width(m.Width).Render(footer)
|
||||
}
|
||||
|
||||
func (m *Model) setMessage(i int, msg models.Message) {
|
||||
if i >= len(m.messages) {
|
||||
panic("i out of range")
|
||||
}
|
||||
m.messages[i] = msg
|
||||
m.messageCache[i] = m.renderMessage(i)
|
||||
}
|
||||
|
||||
func (m *Model) addMessage(msg models.Message) {
|
||||
m.messages = append(m.messages, msg)
|
||||
m.messageCache = append(m.messageCache, m.renderMessage(len(m.messages)-1))
|
||||
}
|
||||
|
||||
func (m *Model) setMessageContents(i int, content string) {
|
||||
if i >= len(m.messages) {
|
||||
panic("i out of range")
|
||||
}
|
||||
m.messages[i].Content = content
|
||||
m.messageCache[i] = m.renderMessage(i)
|
||||
}
|
||||
|
||||
func (m *Model) rebuildMessageCache() {
|
||||
m.messageCache = make([]string, len(m.messages))
|
||||
for i := range m.messages {
|
||||
m.messageCache[i] = m.renderMessage(i)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) updateContent() {
|
||||
atBottom := m.content.AtBottom()
|
||||
m.content.SetContent(m.conversationMessagesView())
|
||||
if atBottom {
|
||||
// if we were at bottom before the update, scroll with the output
|
||||
m.content.GotoBottom()
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) loadConversation(shortname string) tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
if shortname == "" {
|
||||
return nil
|
||||
}
|
||||
c, err := m.State.Ctx.Store.ConversationByShortName(shortname)
|
||||
if err != nil {
|
||||
return shared.MsgError(fmt.Errorf("Could not lookup conversation: %v", err))
|
||||
}
|
||||
if c.ID == 0 {
|
||||
return shared.MsgError(fmt.Errorf("Conversation not found: %s", shortname))
|
||||
}
|
||||
return msgConversationLoaded(c)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) loadMessages(c *models.Conversation) tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
messages, err := m.State.Ctx.Store.PathToLeaf(c.SelectedRoot)
|
||||
if err != nil {
|
||||
return shared.MsgError(fmt.Errorf("Could not load conversation messages: %v\n", err))
|
||||
}
|
||||
return msgMessagesLoaded(messages)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) persistConversation() error {
|
||||
if m.conversation.ID == 0 {
|
||||
// Start a new conversation with all messages so far
|
||||
c, messages, err := m.State.Ctx.Store.StartConversation(m.messages...)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
m.conversation = c
|
||||
m.messages = messages
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// else, we'll handle updating an existing conversation's messages
|
||||
for i := 0; i < len(m.messages); i++ {
|
||||
if m.messages[i].ID > 0 {
|
||||
// message has an ID, update its contents
|
||||
// TODO: check for content/tool equality before updating?
|
||||
err := m.State.Ctx.Store.UpdateMessage(&m.messages[i])
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
} else if i > 0 {
|
||||
// messages is new, so add it as a reply to previous message
|
||||
saved, err := m.State.Ctx.Store.Reply(&m.messages[i-1], m.messages[i])
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// add this message as a reply to the previous
|
||||
m.messages[i-1].Replies = append(m.messages[i-1].Replies, saved[0])
|
||||
m.messages[i] = saved[0]
|
||||
} else {
|
||||
// message has no id and no previous messages to add it to
|
||||
// this shouldn't happen?
|
||||
return fmt.Errorf("Error: no messages to reply to")
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (m *Model) generateConversationTitle() tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
title, err := cmdutil.GenerateTitle(m.State.Ctx, m.messages)
|
||||
if err != nil {
|
||||
return shared.MsgError(err)
|
||||
}
|
||||
return msgConversationTitleChanged(title)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) waitForReply() tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
return msgAssistantReply(<-m.replyChan)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) waitForChunk() tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
return msgResponseChunk(<-m.replyChunkChan)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) promptLLM() tea.Cmd {
|
||||
m.waitingForReply = true
|
||||
m.replyCursor.Blink = false
|
||||
m.status = "Press ctrl+c to cancel"
|
||||
|
||||
toPrompt := m.messages
|
||||
|
||||
// Add response placeholder message
|
||||
if m.messages[len(m.messages)-1].Role != models.MessageRoleAssistant {
|
||||
m.addMessage(models.Message{
|
||||
Role: models.MessageRoleAssistant,
|
||||
Content: "",
|
||||
})
|
||||
}
|
||||
|
||||
m.tokenCount = 0
|
||||
m.startTime = time.Now()
|
||||
m.elapsed = 0
|
||||
|
||||
return func() tea.Msg {
|
||||
model, provider, err := m.State.Ctx.GetModelProvider(*m.State.Ctx.Config.Defaults.Model)
|
||||
if err != nil {
|
||||
return shared.MsgError(err)
|
||||
}
|
||||
|
||||
requestParams := models.RequestParameters{
|
||||
Model: model,
|
||||
MaxTokens: *m.State.Ctx.Config.Defaults.MaxTokens,
|
||||
Temperature: *m.State.Ctx.Config.Defaults.Temperature,
|
||||
ToolBag: m.State.Ctx.EnabledTools,
|
||||
}
|
||||
|
||||
replyHandler := func(msg models.Message) {
|
||||
m.replyChan <- msg
|
||||
}
|
||||
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
|
||||
canceled := false
|
||||
go func() {
|
||||
select {
|
||||
case <-m.stopSignal:
|
||||
canceled = true
|
||||
cancel()
|
||||
}
|
||||
}()
|
||||
|
||||
resp, err := provider.CreateChatCompletionStream(
|
||||
ctx, requestParams, toPrompt, replyHandler, m.replyChunkChan,
|
||||
)
|
||||
|
||||
if err != nil && !canceled {
|
||||
return msgResponseError(err)
|
||||
}
|
||||
|
||||
return msgResponseEnd(resp)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,246 @@
|
|||
package chat
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
cmdutil "git.mlow.ca/mlow/lmcli/pkg/cmd/util"
|
||||
models "git.mlow.ca/mlow/lmcli/pkg/lmcli/model"
|
||||
"git.mlow.ca/mlow/lmcli/pkg/tui/shared"
|
||||
tea "github.com/charmbracelet/bubbletea"
|
||||
)
|
||||
|
||||
func (m *Model) setMessage(i int, msg models.Message) {
|
||||
if i >= len(m.messages) {
|
||||
panic("i out of range")
|
||||
}
|
||||
m.messages[i] = msg
|
||||
m.messageCache[i] = m.renderMessage(i)
|
||||
}
|
||||
|
||||
func (m *Model) addMessage(msg models.Message) {
|
||||
m.messages = append(m.messages, msg)
|
||||
m.messageCache = append(m.messageCache, m.renderMessage(len(m.messages)-1))
|
||||
}
|
||||
|
||||
func (m *Model) setMessageContents(i int, content string) {
|
||||
if i >= len(m.messages) {
|
||||
panic("i out of range")
|
||||
}
|
||||
m.messages[i].Content = content
|
||||
m.messageCache[i] = m.renderMessage(i)
|
||||
}
|
||||
|
||||
func (m *Model) rebuildMessageCache() {
|
||||
m.messageCache = make([]string, len(m.messages))
|
||||
for i := range m.messages {
|
||||
m.messageCache[i] = m.renderMessage(i)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) updateContent() {
|
||||
atBottom := m.content.AtBottom()
|
||||
m.content.SetContent(m.conversationMessagesView())
|
||||
if atBottom {
|
||||
// if we were at bottom before the update, scroll with the output
|
||||
m.content.GotoBottom()
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) loadConversation(shortname string) tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
if shortname == "" {
|
||||
return nil
|
||||
}
|
||||
c, err := m.State.Ctx.Store.ConversationByShortName(shortname)
|
||||
if err != nil {
|
||||
return shared.MsgError(fmt.Errorf("Could not lookup conversation: %v", err))
|
||||
}
|
||||
if c.ID == 0 {
|
||||
return shared.MsgError(fmt.Errorf("Conversation not found: %s", shortname))
|
||||
}
|
||||
return msgConversationLoaded(c)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) loadMessages(c *models.Conversation) tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
messages, err := m.State.Ctx.Store.PathToLeaf(c.SelectedRoot)
|
||||
if err != nil {
|
||||
return shared.MsgError(fmt.Errorf("Could not load conversation messages: %v\n", err))
|
||||
}
|
||||
return msgMessagesLoaded(messages)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) generateConversationTitle() tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
title, err := cmdutil.GenerateTitle(m.State.Ctx, m.messages)
|
||||
if err != nil {
|
||||
return shared.MsgError(err)
|
||||
}
|
||||
return msgConversationTitleChanged(title)
|
||||
}
|
||||
}
|
||||
|
||||
func cycleMessages(curr *models.Message, msgs []models.Message, dir MessageCycleDirection) (*models.Message, error) {
|
||||
currentIndex := -1
|
||||
for i, reply := range msgs {
|
||||
if reply.ID == curr.ID {
|
||||
currentIndex = i
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if currentIndex < 0 {
|
||||
return nil, fmt.Errorf("message not found")
|
||||
}
|
||||
|
||||
var next int
|
||||
if dir == CyclePrev {
|
||||
// Wrap around to the last reply if at the beginning
|
||||
next = (currentIndex - 1 + len(msgs)) % len(msgs)
|
||||
} else {
|
||||
// Wrap around to the first reply if at the end
|
||||
next = (currentIndex + 1) % len(msgs)
|
||||
}
|
||||
return &msgs[next], nil
|
||||
}
|
||||
|
||||
func (m *Model) cycleSelectedRoot(conv *models.Conversation, dir MessageCycleDirection) (*models.Message, error) {
|
||||
if len(m.rootMessages) < 2 {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
nextRoot, err := cycleMessages(conv.SelectedRoot, m.rootMessages, dir)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
conv.SelectedRoot = nextRoot
|
||||
err = m.State.Ctx.Store.UpdateConversation(conv)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("Could not update conversation SelectedRoot: %v", err)
|
||||
}
|
||||
return nextRoot, nil
|
||||
}
|
||||
|
||||
func (m *Model) cycleSelectedReply(message *models.Message, dir MessageCycleDirection) (*models.Message, error) {
|
||||
if len(message.Replies) < 2 {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
nextReply, err := cycleMessages(message.SelectedReply, message.Replies, dir)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
message.SelectedReply = nextReply
|
||||
err = m.State.Ctx.Store.UpdateMessage(message)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("Could not update message SelectedReply: %v", err)
|
||||
}
|
||||
return nextReply, nil
|
||||
}
|
||||
|
||||
func (m *Model) persistConversation() error {
|
||||
if m.conversation.ID == 0 {
|
||||
// Start a new conversation with all messages so far
|
||||
c, messages, err := m.State.Ctx.Store.StartConversation(m.messages...)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
m.conversation = c
|
||||
m.messages = messages
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// else, we'll handle updating an existing conversation's messages
|
||||
for i := 0; i < len(m.messages); i++ {
|
||||
if m.messages[i].ID > 0 {
|
||||
// message has an ID, update its contents
|
||||
// TODO: check for content/tool equality before updating?
|
||||
err := m.State.Ctx.Store.UpdateMessage(&m.messages[i])
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
} else if i > 0 {
|
||||
// messages is new, so add it as a reply to previous message
|
||||
saved, err := m.State.Ctx.Store.Reply(&m.messages[i-1], m.messages[i])
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// add this message as a reply to the previous
|
||||
m.messages[i-1].Replies = append(m.messages[i-1].Replies, saved[0])
|
||||
m.messages[i] = saved[0]
|
||||
} else {
|
||||
// message has no id and no previous messages to add it to
|
||||
// this shouldn't happen?
|
||||
return fmt.Errorf("Error: no messages to reply to")
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
|
||||
func (m *Model) promptLLM() tea.Cmd {
|
||||
m.waitingForReply = true
|
||||
m.replyCursor.Blink = false
|
||||
m.status = "Press ctrl+c to cancel"
|
||||
|
||||
toPrompt := m.messages
|
||||
|
||||
// Add response placeholder message
|
||||
if m.messages[len(m.messages)-1].Role != models.MessageRoleAssistant {
|
||||
m.addMessage(models.Message{
|
||||
Role: models.MessageRoleAssistant,
|
||||
Content: "",
|
||||
})
|
||||
}
|
||||
|
||||
m.tokenCount = 0
|
||||
m.startTime = time.Now()
|
||||
m.elapsed = 0
|
||||
|
||||
return func() tea.Msg {
|
||||
model, provider, err := m.State.Ctx.GetModelProvider(*m.State.Ctx.Config.Defaults.Model)
|
||||
if err != nil {
|
||||
return shared.MsgError(err)
|
||||
}
|
||||
|
||||
requestParams := models.RequestParameters{
|
||||
Model: model,
|
||||
MaxTokens: *m.State.Ctx.Config.Defaults.MaxTokens,
|
||||
Temperature: *m.State.Ctx.Config.Defaults.Temperature,
|
||||
ToolBag: m.State.Ctx.EnabledTools,
|
||||
}
|
||||
|
||||
replyHandler := func(msg models.Message) {
|
||||
m.replyChan <- msg
|
||||
}
|
||||
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
|
||||
canceled := false
|
||||
go func() {
|
||||
select {
|
||||
case <-m.stopSignal:
|
||||
canceled = true
|
||||
cancel()
|
||||
}
|
||||
}()
|
||||
|
||||
resp, err := provider.CreateChatCompletionStream(
|
||||
ctx, requestParams, toPrompt, replyHandler, m.replyChunkChan,
|
||||
)
|
||||
|
||||
if err != nil && !canceled {
|
||||
return msgResponseError(err)
|
||||
}
|
||||
|
||||
return msgResponseEnd(resp)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,197 @@
|
|||
package chat
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"strings"
|
||||
|
||||
models "git.mlow.ca/mlow/lmcli/pkg/lmcli/model"
|
||||
"git.mlow.ca/mlow/lmcli/pkg/tui/shared"
|
||||
tuiutil "git.mlow.ca/mlow/lmcli/pkg/tui/util"
|
||||
tea "github.com/charmbracelet/bubbletea"
|
||||
)
|
||||
|
||||
type MessageCycleDirection int
|
||||
|
||||
const (
|
||||
CycleNext MessageCycleDirection = 1
|
||||
CyclePrev MessageCycleDirection = -1
|
||||
)
|
||||
|
||||
func (m *Model) HandleInput(msg tea.KeyMsg) (bool, tea.Cmd) {
|
||||
switch m.focus {
|
||||
case focusInput:
|
||||
consumed, cmd := m.handleInputKey(msg)
|
||||
if consumed {
|
||||
return true, cmd
|
||||
}
|
||||
case focusMessages:
|
||||
consumed, cmd := m.handleMessagesKey(msg)
|
||||
if consumed {
|
||||
return true, cmd
|
||||
}
|
||||
}
|
||||
|
||||
switch msg.String() {
|
||||
case "esc":
|
||||
if m.waitingForReply {
|
||||
m.stopSignal <- struct{}{}
|
||||
return true, nil
|
||||
}
|
||||
return true, func() tea.Msg {
|
||||
return shared.MsgViewChange(shared.StateConversations)
|
||||
}
|
||||
case "ctrl+c":
|
||||
if m.waitingForReply {
|
||||
m.stopSignal <- struct{}{}
|
||||
return true, nil
|
||||
}
|
||||
case "ctrl+p":
|
||||
m.persistence = !m.persistence
|
||||
return true, nil
|
||||
case "ctrl+t":
|
||||
m.showToolResults = !m.showToolResults
|
||||
m.rebuildMessageCache()
|
||||
m.updateContent()
|
||||
return true, nil
|
||||
case "ctrl+w":
|
||||
m.wrap = !m.wrap
|
||||
m.rebuildMessageCache()
|
||||
m.updateContent()
|
||||
return true, nil
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
|
||||
// handleMessagesKey handles input when the messages pane is focused
|
||||
func (m *Model) handleMessagesKey(msg tea.KeyMsg) (bool, tea.Cmd) {
|
||||
switch msg.String() {
|
||||
case "tab", "enter":
|
||||
m.focus = focusInput
|
||||
m.updateContent()
|
||||
m.input.Focus()
|
||||
return true, nil
|
||||
case "e":
|
||||
message := m.messages[m.selectedMessage]
|
||||
cmd := tuiutil.OpenTempfileEditor("message.*.md", message.Content, "# Edit the message below\n")
|
||||
m.editorTarget = selectedMessage
|
||||
return true, cmd
|
||||
case "ctrl+k":
|
||||
if m.selectedMessage > 0 && len(m.messages) == len(m.messageOffsets) {
|
||||
m.selectedMessage--
|
||||
m.updateContent()
|
||||
offset := m.messageOffsets[m.selectedMessage]
|
||||
tuiutil.ScrollIntoView(&m.content, offset, m.content.Height/2)
|
||||
}
|
||||
return true, nil
|
||||
case "ctrl+j":
|
||||
if m.selectedMessage < len(m.messages)-1 && len(m.messages) == len(m.messageOffsets) {
|
||||
m.selectedMessage++
|
||||
m.updateContent()
|
||||
offset := m.messageOffsets[m.selectedMessage]
|
||||
tuiutil.ScrollIntoView(&m.content, offset, m.content.Height/2)
|
||||
}
|
||||
return true, nil
|
||||
case "ctrl+h", "ctrl+l":
|
||||
dir := CyclePrev
|
||||
if msg.String() == "ctrl+l" {
|
||||
dir = CycleNext
|
||||
}
|
||||
|
||||
var err error
|
||||
var selected *models.Message
|
||||
if m.selectedMessage == 0 {
|
||||
selected, err = m.cycleSelectedRoot(m.conversation, dir)
|
||||
if err != nil {
|
||||
return true, shared.WrapError(fmt.Errorf("Could not cycle conversation root: %v", err))
|
||||
}
|
||||
} else if m.selectedMessage > 0 {
|
||||
selected, err = m.cycleSelectedReply(&m.messages[m.selectedMessage-1], dir)
|
||||
if err != nil {
|
||||
return true, shared.WrapError(fmt.Errorf("Could not cycle reply: %v", err))
|
||||
}
|
||||
}
|
||||
|
||||
if selected == nil {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
// Retrieve updated view at this point
|
||||
newPath, err := m.State.Ctx.Store.PathToLeaf(selected)
|
||||
if err != nil {
|
||||
m.State.Err = fmt.Errorf("Could not fetch messages: %v", err)
|
||||
}
|
||||
|
||||
m.messages = append(m.messages[:m.selectedMessage], newPath...)
|
||||
m.rebuildMessageCache()
|
||||
m.updateContent()
|
||||
return true, nil
|
||||
case "ctrl+r":
|
||||
// resubmit the conversation with all messages up until and including the selected message
|
||||
if m.waitingForReply || len(m.messages) == 0 {
|
||||
return true, nil
|
||||
}
|
||||
m.messages = m.messages[:m.selectedMessage+1]
|
||||
m.messageCache = m.messageCache[:m.selectedMessage+1]
|
||||
cmd := m.promptLLM()
|
||||
m.updateContent()
|
||||
m.content.GotoBottom()
|
||||
return true, cmd
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
|
||||
// handleInputKey handles input when the input textarea is focused
|
||||
func (m *Model) handleInputKey(msg tea.KeyMsg) (bool, tea.Cmd) {
|
||||
switch msg.String() {
|
||||
case "esc":
|
||||
m.focus = focusMessages
|
||||
if len(m.messages) > 0 {
|
||||
if m.selectedMessage < 0 || m.selectedMessage >= len(m.messages) {
|
||||
m.selectedMessage = len(m.messages) - 1
|
||||
}
|
||||
offset := m.messageOffsets[m.selectedMessage]
|
||||
tuiutil.ScrollIntoView(&m.content, offset, m.content.Height/2)
|
||||
}
|
||||
m.updateContent()
|
||||
m.input.Blur()
|
||||
return true, nil
|
||||
case "ctrl+s":
|
||||
// TODO: call a "handleSend" function with returns a tea.Cmd
|
||||
if m.waitingForReply {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
input := strings.TrimSpace(m.input.Value())
|
||||
if input == "" {
|
||||
return true, nil
|
||||
}
|
||||
|
||||
if len(m.messages) > 0 && m.messages[len(m.messages)-1].Role == models.MessageRoleUser {
|
||||
return true, shared.WrapError(fmt.Errorf("Can't reply to a user message"))
|
||||
}
|
||||
|
||||
m.addMessage(models.Message{
|
||||
Role: models.MessageRoleUser,
|
||||
Content: input,
|
||||
})
|
||||
|
||||
m.input.SetValue("")
|
||||
|
||||
if m.persistence {
|
||||
err := m.persistConversation()
|
||||
if err != nil {
|
||||
return true, shared.WrapError(err)
|
||||
}
|
||||
}
|
||||
|
||||
cmd := m.promptLLM()
|
||||
m.updateContent()
|
||||
m.content.GotoBottom()
|
||||
return true, cmd
|
||||
case "ctrl+e":
|
||||
cmd := tuiutil.OpenTempfileEditor("message.*.md", m.input.Value(), "# Edit your input below\n")
|
||||
m.editorTarget = input
|
||||
return true, cmd
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
|
|
@ -0,0 +1,231 @@
|
|||
package chat
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
models "git.mlow.ca/mlow/lmcli/pkg/lmcli/model"
|
||||
"git.mlow.ca/mlow/lmcli/pkg/tui/shared"
|
||||
tuiutil "git.mlow.ca/mlow/lmcli/pkg/tui/util"
|
||||
"github.com/charmbracelet/bubbles/cursor"
|
||||
tea "github.com/charmbracelet/bubbletea"
|
||||
)
|
||||
|
||||
func (m *Model) HandleResize(width, height int) {
|
||||
m.Width, m.Height = width, height
|
||||
m.content.Width = width
|
||||
m.input.SetWidth(width - m.input.FocusedStyle.Base.GetHorizontalFrameSize())
|
||||
if len(m.messages) > 0 {
|
||||
m.rebuildMessageCache()
|
||||
m.updateContent()
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) waitForReply() tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
return msgAssistantReply(<-m.replyChan)
|
||||
}
|
||||
}
|
||||
|
||||
func (m *Model) waitForChunk() tea.Cmd {
|
||||
return func() tea.Msg {
|
||||
return msgResponseChunk(<-m.replyChunkChan)
|
||||
}
|
||||
}
|
||||
|
||||
func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
|
||||
var cmds []tea.Cmd
|
||||
switch msg := msg.(type) {
|
||||
case shared.MsgViewEnter:
|
||||
// wake up spinners and cursors
|
||||
cmds = append(cmds, cursor.Blink, m.spinner.Tick)
|
||||
|
||||
if m.State.Values.ConvShortname != "" && m.conversation.ShortName.String != m.State.Values.ConvShortname {
|
||||
cmds = append(cmds, m.loadConversation(m.State.Values.ConvShortname))
|
||||
}
|
||||
|
||||
m.rebuildMessageCache()
|
||||
m.updateContent()
|
||||
case tea.WindowSizeMsg:
|
||||
m.HandleResize(msg.Width, msg.Height)
|
||||
case tuiutil.MsgTempfileEditorClosed:
|
||||
contents := string(msg)
|
||||
switch m.editorTarget {
|
||||
case input:
|
||||
m.input.SetValue(contents)
|
||||
case selectedMessage:
|
||||
m.setMessageContents(m.selectedMessage, contents)
|
||||
if m.persistence && m.messages[m.selectedMessage].ID > 0 {
|
||||
// update persisted message
|
||||
err := m.State.Ctx.Store.UpdateMessage(&m.messages[m.selectedMessage])
|
||||
if err != nil {
|
||||
cmds = append(cmds, shared.WrapError(fmt.Errorf("Could not save edited message: %v", err)))
|
||||
}
|
||||
}
|
||||
m.updateContent()
|
||||
}
|
||||
case msgConversationLoaded:
|
||||
m.conversation = (*models.Conversation)(msg)
|
||||
m.rootMessages, _ = m.State.Ctx.Store.RootMessages(m.conversation.ID)
|
||||
cmds = append(cmds, m.loadMessages(m.conversation))
|
||||
case msgMessagesLoaded:
|
||||
m.selectedMessage = len(msg) - 1
|
||||
m.messages = msg
|
||||
m.rebuildMessageCache()
|
||||
m.updateContent()
|
||||
m.content.GotoBottom()
|
||||
case msgResponseChunk:
|
||||
cmds = append(cmds, m.waitForChunk()) // wait for the next chunk
|
||||
|
||||
chunk := string(msg)
|
||||
if chunk == "" {
|
||||
break
|
||||
}
|
||||
|
||||
last := len(m.messages) - 1
|
||||
if last >= 0 && m.messages[last].Role.IsAssistant() {
|
||||
// append chunk to existing message
|
||||
m.setMessageContents(last, m.messages[last].Content+chunk)
|
||||
} else {
|
||||
// use chunk in new message
|
||||
m.addMessage(models.Message{
|
||||
Role: models.MessageRoleAssistant,
|
||||
Content: chunk,
|
||||
})
|
||||
}
|
||||
m.updateContent()
|
||||
|
||||
// show cursor and reset blink interval (simulate typing)
|
||||
m.replyCursor.Blink = false
|
||||
cmds = append(cmds, m.replyCursor.BlinkCmd())
|
||||
|
||||
m.tokenCount++
|
||||
m.elapsed = time.Now().Sub(m.startTime)
|
||||
case msgAssistantReply:
|
||||
cmds = append(cmds, m.waitForReply()) // wait for the next reply
|
||||
|
||||
reply := models.Message(msg)
|
||||
reply.Content = strings.TrimSpace(reply.Content)
|
||||
|
||||
last := len(m.messages) - 1
|
||||
if last < 0 {
|
||||
panic("Unexpected empty messages handling msgAssistantReply")
|
||||
}
|
||||
|
||||
if reply.Role.IsAssistant() && m.messages[last].Role.IsAssistant() {
|
||||
// this was a continuation, so replace the previous message with the completed reply
|
||||
m.setMessage(last, reply)
|
||||
} else {
|
||||
m.addMessage(reply)
|
||||
}
|
||||
|
||||
if m.persistence {
|
||||
err := m.persistConversation()
|
||||
if err != nil {
|
||||
cmds = append(cmds, shared.WrapError(err))
|
||||
}
|
||||
}
|
||||
|
||||
if m.conversation.Title == "" {
|
||||
cmds = append(cmds, m.generateConversationTitle())
|
||||
}
|
||||
|
||||
m.updateContent()
|
||||
case msgResponseEnd:
|
||||
m.waitingForReply = false
|
||||
last := len(m.messages) - 1
|
||||
if last < 0 {
|
||||
panic("Unexpected empty messages handling msgResponseEnd")
|
||||
}
|
||||
m.setMessageContents(last, strings.TrimSpace(m.messages[last].Content))
|
||||
m.updateContent()
|
||||
m.status = "Press ctrl+s to send"
|
||||
case msgResponseError:
|
||||
m.waitingForReply = false
|
||||
m.status = "Press ctrl+s to send"
|
||||
m.State.Err = error(msg)
|
||||
m.updateContent()
|
||||
case msgConversationTitleChanged:
|
||||
title := string(msg)
|
||||
m.conversation.Title = title
|
||||
if m.persistence {
|
||||
err := m.State.Ctx.Store.UpdateConversation(m.conversation)
|
||||
if err != nil {
|
||||
cmds = append(cmds, shared.WrapError(err))
|
||||
}
|
||||
}
|
||||
case cursor.BlinkMsg:
|
||||
if m.waitingForReply {
|
||||
// ensure we show updated "wait for response" cursor blink state
|
||||
m.updateContent()
|
||||
}
|
||||
}
|
||||
|
||||
var cmd tea.Cmd
|
||||
m.spinner, cmd = m.spinner.Update(msg)
|
||||
if cmd != nil {
|
||||
cmds = append(cmds, cmd)
|
||||
}
|
||||
m.replyCursor, cmd = m.replyCursor.Update(msg)
|
||||
if cmd != nil {
|
||||
cmds = append(cmds, cmd)
|
||||
}
|
||||
|
||||
prevInputLineCnt := m.input.LineCount()
|
||||
inputCaptured := false
|
||||
m.input, cmd = m.input.Update(msg)
|
||||
if cmd != nil {
|
||||
inputCaptured = true
|
||||
cmds = append(cmds, cmd)
|
||||
}
|
||||
|
||||
if !inputCaptured {
|
||||
m.content, cmd = m.content.Update(msg)
|
||||
if cmd != nil {
|
||||
cmds = append(cmds, cmd)
|
||||
}
|
||||
}
|
||||
|
||||
// update views once window dimensions are known
|
||||
if m.Width > 0 {
|
||||
m.Header = m.headerView()
|
||||
m.Footer = m.footerView()
|
||||
m.Error = tuiutil.ErrorBanner(m.Err, m.Width)
|
||||
fixedHeight := tuiutil.Height(m.Header) + tuiutil.Height(m.Error) + tuiutil.Height(m.Footer)
|
||||
|
||||
// calculate clamped input height to accomodate input text
|
||||
// minimum 4 lines, maximum half of content area
|
||||
newHeight := max(4, min((m.Height-fixedHeight-1)/2, m.input.LineCount()))
|
||||
m.input.SetHeight(newHeight)
|
||||
m.Input = m.input.View()
|
||||
|
||||
// remaining height towards content
|
||||
m.content.Height = m.Height - fixedHeight - tuiutil.Height(m.Input)
|
||||
m.Content = m.content.View()
|
||||
}
|
||||
|
||||
// this is a pretty nasty hack to ensure the input area viewport doesn't
|
||||
// scroll below its content, which can happen when the input viewport
|
||||
// height has grown, or previously entered lines have been deleted
|
||||
if prevInputLineCnt != m.input.LineCount() {
|
||||
// dist is the distance we'd need to scroll up from the current cursor
|
||||
// position to position the last input line at the bottom of the
|
||||
// viewport. if negative, we're already scrolled above the bottom
|
||||
dist := m.input.Line() - (m.input.LineCount() - m.input.Height())
|
||||
if dist > 0 {
|
||||
for i := 0; i < dist; i++ {
|
||||
// move cursor up until content reaches the bottom of the viewport
|
||||
m.input.CursorUp()
|
||||
}
|
||||
m.input, cmd = m.input.Update(nil)
|
||||
for i := 0; i < dist; i++ {
|
||||
// move cursor back down to its previous position
|
||||
m.input.CursorDown()
|
||||
}
|
||||
m.input, cmd = m.input.Update(nil)
|
||||
}
|
||||
}
|
||||
|
||||
return m, tea.Batch(cmds...)
|
||||
}
|
||||
|
|
@ -0,0 +1,316 @@
|
|||
package chat
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"strings"
|
||||
|
||||
models "git.mlow.ca/mlow/lmcli/pkg/lmcli/model"
|
||||
"git.mlow.ca/mlow/lmcli/pkg/tui/styles"
|
||||
tuiutil "git.mlow.ca/mlow/lmcli/pkg/tui/util"
|
||||
"github.com/charmbracelet/lipgloss"
|
||||
"github.com/muesli/reflow/wordwrap"
|
||||
"github.com/muesli/reflow/wrap"
|
||||
"gopkg.in/yaml.v2"
|
||||
)
|
||||
|
||||
// styles
|
||||
var (
|
||||
messageHeadingStyle = lipgloss.NewStyle().
|
||||
MarginTop(1).
|
||||
MarginBottom(1).
|
||||
PaddingLeft(1).
|
||||
Bold(true)
|
||||
|
||||
userStyle = lipgloss.NewStyle().Faint(true).Foreground(lipgloss.Color("10"))
|
||||
|
||||
assistantStyle = lipgloss.NewStyle().Faint(true).Foreground(lipgloss.Color("12"))
|
||||
|
||||
messageStyle = lipgloss.NewStyle().
|
||||
PaddingLeft(2).
|
||||
PaddingRight(2)
|
||||
|
||||
inputFocusedStyle = lipgloss.NewStyle().
|
||||
Border(lipgloss.RoundedBorder(), true, true, true, false)
|
||||
|
||||
inputBlurredStyle = lipgloss.NewStyle().
|
||||
Faint(true).
|
||||
Border(lipgloss.RoundedBorder(), true, true, true, false)
|
||||
|
||||
footerStyle = lipgloss.NewStyle()
|
||||
)
|
||||
|
||||
func (m Model) View() string {
|
||||
if m.Width == 0 {
|
||||
return ""
|
||||
}
|
||||
sections := make([]string, 0, 6)
|
||||
|
||||
if m.Header != "" {
|
||||
sections = append(sections, m.Header)
|
||||
}
|
||||
|
||||
sections = append(sections, m.Content)
|
||||
if m.Error != "" {
|
||||
sections = append(sections, m.Error)
|
||||
}
|
||||
sections = append(sections, m.Input)
|
||||
|
||||
if m.Footer != "" {
|
||||
sections = append(sections, m.Footer)
|
||||
}
|
||||
|
||||
return lipgloss.JoinVertical(lipgloss.Left, sections...)
|
||||
}
|
||||
|
||||
func (m *Model) renderMessageHeading(i int, message *models.Message) string {
|
||||
icon := ""
|
||||
friendly := message.Role.FriendlyRole()
|
||||
style := lipgloss.NewStyle().Faint(true).Bold(true)
|
||||
|
||||
switch message.Role {
|
||||
case models.MessageRoleSystem:
|
||||
icon = "⚙️"
|
||||
case models.MessageRoleUser:
|
||||
style = userStyle
|
||||
case models.MessageRoleAssistant:
|
||||
style = assistantStyle
|
||||
case models.MessageRoleToolCall:
|
||||
style = assistantStyle
|
||||
friendly = models.MessageRoleAssistant.FriendlyRole()
|
||||
case models.MessageRoleToolResult:
|
||||
icon = "🔧"
|
||||
}
|
||||
|
||||
user := style.Render(icon + friendly)
|
||||
|
||||
var prefix string
|
||||
var suffix string
|
||||
|
||||
faint := lipgloss.NewStyle().Faint(true)
|
||||
|
||||
if i == 0 && len(m.rootMessages) > 0 {
|
||||
selectedRootIndex := 0
|
||||
for j, reply := range m.rootMessages {
|
||||
if reply.ID == *m.conversation.SelectedRootID {
|
||||
selectedRootIndex = j
|
||||
break
|
||||
}
|
||||
}
|
||||
suffix += faint.Render(fmt.Sprintf(" <%d/%d>", selectedRootIndex+1, len(m.rootMessages)))
|
||||
}
|
||||
if i > 0 && len(m.messages[i-1].Replies) > 1 {
|
||||
// Find the selected reply index
|
||||
selectedReplyIndex := 0
|
||||
for j, reply := range m.messages[i-1].Replies {
|
||||
if reply.ID == *m.messages[i-1].SelectedReplyID {
|
||||
selectedReplyIndex = j
|
||||
break
|
||||
}
|
||||
}
|
||||
suffix += faint.Render(fmt.Sprintf(" <%d/%d>", selectedReplyIndex+1, len(m.messages[i-1].Replies)))
|
||||
}
|
||||
|
||||
if m.focus == focusMessages {
|
||||
if i == m.selectedMessage {
|
||||
prefix = "> "
|
||||
}
|
||||
}
|
||||
|
||||
if message.ID == 0 {
|
||||
suffix += faint.Render(" (not saved)")
|
||||
}
|
||||
|
||||
return messageHeadingStyle.Render(prefix + user + suffix)
|
||||
}
|
||||
|
||||
func (m *Model) renderMessage(i int) string {
|
||||
msg := &m.messages[i]
|
||||
|
||||
// Write message contents
|
||||
sb := &strings.Builder{}
|
||||
sb.Grow(len(msg.Content) * 2)
|
||||
if msg.Content != "" {
|
||||
err := m.State.Ctx.Chroma.Highlight(sb, msg.Content)
|
||||
if err != nil {
|
||||
sb.Reset()
|
||||
sb.WriteString(msg.Content)
|
||||
}
|
||||
}
|
||||
|
||||
// Show the assistant's cursor
|
||||
if m.waitingForReply && i == len(m.messages)-1 {
|
||||
sb.WriteString(m.replyCursor.View())
|
||||
}
|
||||
|
||||
// Write tool call info
|
||||
var toolString string
|
||||
switch msg.Role {
|
||||
case models.MessageRoleToolCall:
|
||||
bytes, err := yaml.Marshal(msg.ToolCalls)
|
||||
if err != nil {
|
||||
toolString = "Could not serialize ToolCalls"
|
||||
} else {
|
||||
toolString = "tool_calls:\n" + string(bytes)
|
||||
}
|
||||
case models.MessageRoleToolResult:
|
||||
if !m.showToolResults {
|
||||
break
|
||||
}
|
||||
|
||||
type renderedResult struct {
|
||||
ToolName string `yaml:"tool"`
|
||||
Result any
|
||||
}
|
||||
|
||||
var toolResults []renderedResult
|
||||
for _, result := range msg.ToolResults {
|
||||
var jsonResult interface{}
|
||||
err := json.Unmarshal([]byte(result.Result), &jsonResult)
|
||||
if err != nil {
|
||||
// If parsing as JSON fails, treat Result as a plain string
|
||||
toolResults = append(toolResults, renderedResult{
|
||||
ToolName: result.ToolName,
|
||||
Result: result.Result,
|
||||
})
|
||||
} else {
|
||||
// If parsing as JSON succeeds, marshal the parsed JSON into YAML
|
||||
toolResults = append(toolResults, renderedResult{
|
||||
ToolName: result.ToolName,
|
||||
Result: &jsonResult,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
bytes, err := yaml.Marshal(toolResults)
|
||||
if err != nil {
|
||||
toolString = "Could not serialize ToolResults"
|
||||
} else {
|
||||
toolString = "tool_results:\n" + string(bytes)
|
||||
}
|
||||
}
|
||||
|
||||
if toolString != "" {
|
||||
toolString = strings.TrimRight(toolString, "\n")
|
||||
if msg.Content != "" {
|
||||
sb.WriteString("\n\n")
|
||||
}
|
||||
_ = m.State.Ctx.Chroma.HighlightLang(sb, toolString, "yaml")
|
||||
}
|
||||
|
||||
content := strings.TrimRight(sb.String(), "\n")
|
||||
|
||||
if m.wrap {
|
||||
wrapWidth := m.content.Width - messageStyle.GetHorizontalPadding()
|
||||
// first we word-wrap text to slightly less than desired width (since
|
||||
// wordwrap seems to have an off-by-1 issue), then hard wrap at
|
||||
// desired with
|
||||
content = wrap.String(wordwrap.String(content, wrapWidth-2), wrapWidth)
|
||||
}
|
||||
|
||||
return messageStyle.Width(0).Render(content)
|
||||
}
|
||||
|
||||
// render the conversation into a string
|
||||
func (m *Model) conversationMessagesView() string {
|
||||
sb := strings.Builder{}
|
||||
|
||||
m.messageOffsets = make([]int, len(m.messages))
|
||||
lineCnt := 1
|
||||
for i, message := range m.messages {
|
||||
m.messageOffsets[i] = lineCnt
|
||||
|
||||
switch message.Role {
|
||||
case models.MessageRoleToolCall:
|
||||
if !m.showToolResults && message.Content == "" {
|
||||
continue
|
||||
}
|
||||
case models.MessageRoleToolResult:
|
||||
if !m.showToolResults {
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
heading := m.renderMessageHeading(i, &message)
|
||||
sb.WriteString(heading)
|
||||
sb.WriteString("\n")
|
||||
lineCnt += lipgloss.Height(heading)
|
||||
|
||||
var rendered string
|
||||
if m.waitingForReply && i == len(m.messages)-1 {
|
||||
// do a direct render of final (assistant) message to handle the
|
||||
// assistant cursor blink
|
||||
rendered = m.renderMessage(i)
|
||||
} else {
|
||||
rendered = m.messageCache[i]
|
||||
}
|
||||
|
||||
sb.WriteString(rendered)
|
||||
sb.WriteString("\n")
|
||||
lineCnt += lipgloss.Height(rendered)
|
||||
}
|
||||
|
||||
return sb.String()
|
||||
}
|
||||
|
||||
func (m *Model) headerView() string {
|
||||
titleStyle := lipgloss.NewStyle().Bold(true)
|
||||
var title string
|
||||
if m.conversation != nil && m.conversation.Title != "" {
|
||||
title = m.conversation.Title
|
||||
} else {
|
||||
title = "Untitled"
|
||||
}
|
||||
title = tuiutil.TruncateToCellWidth(title, m.Width-styles.Header.GetHorizontalPadding(), "...")
|
||||
header := titleStyle.Render(title)
|
||||
return styles.Header.Width(m.Width).Render(header)
|
||||
}
|
||||
|
||||
func (m *Model) footerView() string {
|
||||
segmentStyle := lipgloss.NewStyle().PaddingLeft(1).PaddingRight(1).Faint(true)
|
||||
segmentSeparator := "|"
|
||||
|
||||
savingStyle := segmentStyle.Copy().Bold(true)
|
||||
saving := ""
|
||||
if m.persistence {
|
||||
saving = savingStyle.Foreground(lipgloss.Color("2")).Render("✅💾")
|
||||
} else {
|
||||
saving = savingStyle.Foreground(lipgloss.Color("1")).Render("❌💾")
|
||||
}
|
||||
|
||||
status := m.status
|
||||
if m.waitingForReply {
|
||||
status += m.spinner.View()
|
||||
}
|
||||
|
||||
leftSegments := []string{
|
||||
saving,
|
||||
segmentStyle.Render(status),
|
||||
}
|
||||
rightSegments := []string{}
|
||||
|
||||
if m.elapsed > 0 && m.tokenCount > 0 {
|
||||
throughput := fmt.Sprintf("%.0f t/sec", float64(m.tokenCount)/m.elapsed.Seconds())
|
||||
rightSegments = append(rightSegments, segmentStyle.Render(throughput))
|
||||
}
|
||||
|
||||
model := fmt.Sprintf("Model: %s", *m.State.Ctx.Config.Defaults.Model)
|
||||
rightSegments = append(rightSegments, segmentStyle.Render(model))
|
||||
|
||||
left := strings.Join(leftSegments, segmentSeparator)
|
||||
right := strings.Join(rightSegments, segmentSeparator)
|
||||
|
||||
totalWidth := lipgloss.Width(left) + lipgloss.Width(right)
|
||||
remaining := m.Width - totalWidth
|
||||
|
||||
var padding string
|
||||
if remaining > 0 {
|
||||
padding = strings.Repeat(" ", remaining)
|
||||
}
|
||||
|
||||
footer := left + padding + right
|
||||
if remaining < 0 {
|
||||
footer = tuiutil.TruncateToCellWidth(footer, m.Width, "...")
|
||||
}
|
||||
return footerStyle.Width(m.Width).Render(footer)
|
||||
}
|
||||
Loading…
Reference in New Issue