opencode/packages/tui/internal/components/chat/messages.go
2025-06-05 13:10:20 -05:00

364 lines
8.6 KiB
Go

package chat
import (
"fmt"
"time"
"github.com/charmbracelet/bubbles/key"
"github.com/charmbracelet/bubbles/spinner"
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/sst/opencode/internal/app"
"github.com/sst/opencode/internal/components/dialog"
"github.com/sst/opencode/internal/state"
"github.com/sst/opencode/internal/styles"
"github.com/sst/opencode/internal/theme"
"github.com/sst/opencode/pkg/client"
)
type messagesCmp struct {
app *app.App
width, height int
viewport viewport.Model
spinner spinner.Model
rendering bool
attachments viewport.Model
showToolMessages bool
cache *MessageCache
}
type renderFinishedMsg struct{}
type ToggleToolMessagesMsg struct{}
type MessageKeys struct {
PageDown key.Binding
PageUp key.Binding
HalfPageUp key.Binding
HalfPageDown key.Binding
}
var messageKeys = MessageKeys{
PageDown: key.NewBinding(
key.WithKeys("pgdown"),
key.WithHelp("f/pgdn", "page down"),
),
PageUp: key.NewBinding(
key.WithKeys("pgup"),
key.WithHelp("b/pgup", "page up"),
),
HalfPageUp: key.NewBinding(
key.WithKeys("ctrl+u"),
key.WithHelp("ctrl+u", "½ page up"),
),
HalfPageDown: key.NewBinding(
key.WithKeys("ctrl+d", "ctrl+d"),
key.WithHelp("ctrl+d", "½ page down"),
),
}
func (m *messagesCmp) Init() tea.Cmd {
return tea.Batch(m.viewport.Init(), m.spinner.Tick)
}
func (m *messagesCmp) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var cmds []tea.Cmd
switch msg := msg.(type) {
case dialog.ThemeChangedMsg:
m.cache.Clear()
m.renderView()
return m, nil
case ToggleToolMessagesMsg:
m.showToolMessages = !m.showToolMessages
m.renderView()
return m, nil
case state.SessionSelectedMsg:
// Clear cache when switching sessions
m.cache.Clear()
cmd := m.Reload()
return m, cmd
case state.SessionClearedMsg:
// Clear cache when session is cleared
m.cache.Clear()
cmd := m.Reload()
return m, cmd
case tea.KeyMsg:
if key.Matches(msg, messageKeys.PageUp) || key.Matches(msg, messageKeys.PageDown) ||
key.Matches(msg, messageKeys.HalfPageUp) || key.Matches(msg, messageKeys.HalfPageDown) {
u, cmd := m.viewport.Update(msg)
m.viewport = u
cmds = append(cmds, cmd)
}
case renderFinishedMsg:
m.rendering = false
m.viewport.GotoBottom()
case state.StateUpdatedMsg:
m.renderView()
m.viewport.GotoBottom()
}
spinner, cmd := m.spinner.Update(msg)
m.spinner = spinner
cmds = append(cmds, cmd)
return m, tea.Batch(cmds...)
}
func (m *messagesCmp) renderView() {
if m.width == 0 {
return
}
messages := make([]string, 0)
for _, msg := range m.app.Messages {
var content string
var cached bool
switch msg.Role {
case client.User:
content, cached = m.cache.Get(msg, m.width, m.showToolMessages, *m.app.Info)
if !cached {
content = renderUserMessage(m.app.Info.User, msg, m.width)
m.cache.Set(msg, m.width, m.showToolMessages, *m.app.Info, content)
}
messages = append(messages, content+"\n")
case client.Assistant:
content, cached = m.cache.Get(msg, m.width, m.showToolMessages, *m.app.Info)
if !cached {
content = renderAssistantMessage(msg, m.width, m.showToolMessages, *m.app.Info)
m.cache.Set(msg, m.width, m.showToolMessages, *m.app.Info, content)
}
messages = append(messages, content+"\n")
}
}
m.viewport.SetContent(
styles.BaseStyle().
Render(
lipgloss.JoinVertical(
lipgloss.Top,
messages...,
),
),
)
}
func (m *messagesCmp) View() string {
baseStyle := styles.BaseStyle()
if m.rendering {
return baseStyle.
Width(m.width).
Render(
lipgloss.JoinVertical(
lipgloss.Top,
"Loading...",
m.working(),
m.help(),
),
)
}
if len(m.app.Messages) == 0 {
content := baseStyle.
Width(m.width).
Height(m.height - 1).
Render(
m.initialScreen(),
)
return baseStyle.
Width(m.width).
Render(
lipgloss.JoinVertical(
lipgloss.Top,
content,
"",
m.help(),
),
)
}
return baseStyle.
Width(m.width).
Render(
lipgloss.JoinVertical(
lipgloss.Top,
m.viewport.View(),
m.working(),
m.help(),
),
)
}
// func hasToolsWithoutResponse(messages []message.Message) bool {
// toolCalls := make([]message.ToolCall, 0)
// toolResults := make([]message.ToolResult, 0)
// for _, m := range messages {
// toolCalls = append(toolCalls, m.ToolCalls()...)
// toolResults = append(toolResults, m.ToolResults()...)
// }
//
// for _, v := range toolCalls {
// found := false
// for _, r := range toolResults {
// if v.ID == r.ToolCallID {
// found = true
// break
// }
// }
// if !found && v.Finished {
// return true
// }
// }
// return false
// }
// func hasUnfinishedToolCalls(messages []message.Message) bool {
// toolCalls := make([]message.ToolCall, 0)
// for _, m := range messages {
// toolCalls = append(toolCalls, m.ToolCalls()...)
// }
// for _, v := range toolCalls {
// if !v.Finished {
// return true
// }
// }
// return false
// }
func (m *messagesCmp) working() string {
text := ""
if len(m.app.Messages) > 0 {
t := theme.CurrentTheme()
baseStyle := styles.BaseStyle()
task := ""
if m.app.IsBusy() {
task = "Working..."
}
// lastMessage := m.app.Messages[len(m.app.Messages)-1]
// if hasToolsWithoutResponse(m.app.Messages) {
// task = "Waiting for tool response..."
// } else if hasUnfinishedToolCalls(m.app.Messages) {
// task = "Building tool call..."
// } else if !lastMessage.IsFinished() {
// task = "Generating..."
// }
if task != "" {
text += baseStyle.
Width(m.width).
Foreground(t.Primary()).
Bold(true).
Render(fmt.Sprintf("%s %s ", m.spinner.View(), task))
}
}
return text
}
func (m *messagesCmp) help() string {
t := theme.CurrentTheme()
baseStyle := styles.BaseStyle()
text := ""
if m.app.IsBusy() {
text += lipgloss.JoinHorizontal(
lipgloss.Left,
baseStyle.Foreground(t.TextMuted()).Bold(true).Render("press "),
baseStyle.Foreground(t.Text()).Bold(true).Render("esc"),
baseStyle.Foreground(t.TextMuted()).Bold(true).Render(" to interrupt"),
)
} else {
text += lipgloss.JoinHorizontal(
lipgloss.Left,
baseStyle.Foreground(t.Text()).Bold(true).Render("enter"),
baseStyle.Foreground(t.TextMuted()).Bold(true).Render(" to send,"),
baseStyle.Foreground(t.Text()).Bold(true).Render(" \\"),
baseStyle.Foreground(t.TextMuted()).Bold(true).Render("+"),
baseStyle.Foreground(t.Text()).Bold(true).Render("enter"),
baseStyle.Foreground(t.TextMuted()).Bold(true).Render(" for newline,"),
baseStyle.Foreground(t.Text()).Bold(true).Render(" ↑↓"),
baseStyle.Foreground(t.TextMuted()).Bold(true).Render(" for history,"),
baseStyle.Foreground(t.Text()).Bold(true).Render(" ctrl+h"),
baseStyle.Foreground(t.TextMuted()).Bold(true).Render(" to toggle tool messages"),
)
}
return baseStyle.
Width(m.width).
Render(text)
}
func (m *messagesCmp) initialScreen() string {
baseStyle := styles.BaseStyle()
return baseStyle.Width(m.width).Render(
lipgloss.JoinVertical(
lipgloss.Top,
header(m.app, m.width),
"",
lspsConfigured(m.width),
),
)
}
func (m *messagesCmp) SetSize(width, height int) tea.Cmd {
if m.width == width && m.height == height {
return nil
}
// Clear cache on resize since width affects rendering
if m.width != width {
m.cache.Clear()
}
m.width = width
m.height = height
m.viewport.Width = width
m.viewport.Height = height - 2
m.attachments.Width = width + 40
m.attachments.Height = 3
m.renderView()
return nil
}
func (m *messagesCmp) GetSize() (int, int) {
return m.width, m.height
}
func (m *messagesCmp) Reload() tea.Cmd {
m.rendering = true
return func() tea.Msg {
m.renderView()
return renderFinishedMsg{}
}
}
func (m *messagesCmp) BindingKeys() []key.Binding {
return []key.Binding{
m.viewport.KeyMap.PageDown,
m.viewport.KeyMap.PageUp,
m.viewport.KeyMap.HalfPageUp,
m.viewport.KeyMap.HalfPageDown,
}
}
func NewMessagesCmp(app *app.App) tea.Model {
customSpinner := spinner.Spinner{
Frames: []string{" ", "┃", "┃"},
FPS: time.Second / 3,
}
s := spinner.New(spinner.WithSpinner(customSpinner))
vp := viewport.New(0, 0)
attachments := viewport.New(0, 0)
vp.KeyMap.PageUp = messageKeys.PageUp
vp.KeyMap.PageDown = messageKeys.PageDown
vp.KeyMap.HalfPageUp = messageKeys.HalfPageUp
vp.KeyMap.HalfPageDown = messageKeys.HalfPageDown
return &messagesCmp{
app: app,
viewport: vp,
spinner: s,
attachments: attachments,
showToolMessages: true,
cache: NewMessageCache(),
}
}