Files
opencode/packages/tui/internal/tui/tui.go
2025-06-17 07:09:04 -05:00

419 lines
11 KiB
Go

package tui
import (
"context"
"log/slog"
"github.com/charmbracelet/bubbles/v2/cursor"
"github.com/charmbracelet/bubbles/v2/key"
"github.com/charmbracelet/bubbles/v2/spinner"
tea "github.com/charmbracelet/bubbletea/v2"
"github.com/charmbracelet/lipgloss/v2"
"github.com/sst/opencode/internal/app"
"github.com/sst/opencode/internal/commands"
"github.com/sst/opencode/internal/completions"
"github.com/sst/opencode/internal/components/chat"
"github.com/sst/opencode/internal/components/dialog"
"github.com/sst/opencode/internal/components/modal"
"github.com/sst/opencode/internal/components/status"
"github.com/sst/opencode/internal/layout"
"github.com/sst/opencode/internal/styles"
"github.com/sst/opencode/internal/theme"
"github.com/sst/opencode/internal/util"
"github.com/sst/opencode/pkg/client"
)
type appModel struct {
width, height int
status status.StatusComponent
app *app.App
modal layout.Modal
editorContainer layout.Container
editor chat.EditorComponent
messagesContainer layout.Container
layout layout.FlexLayout
completionDialog dialog.CompletionDialog
completionManager *completions.CompletionManager
showCompletionDialog bool
}
type ChatKeyMap struct {
Cancel key.Binding
ToggleTools key.Binding
ShowCompletionDialog key.Binding
}
var keyMap = ChatKeyMap{
Cancel: key.NewBinding(
key.WithKeys("esc"),
key.WithHelp("esc", "cancel"),
),
ToggleTools: key.NewBinding(
key.WithKeys("ctrl+h"),
key.WithHelp("ctrl+h", "toggle tools"),
),
ShowCompletionDialog: key.NewBinding(
key.WithKeys("/"),
key.WithHelp("/", "Complete"),
),
}
func (a appModel) Init() tea.Cmd {
t := theme.CurrentTheme()
var cmds []tea.Cmd
cmds = append(cmds, a.app.InitializeProvider())
cmds = append(cmds, tea.SetBackgroundColor(t.Background()))
cmds = append(cmds, tea.RequestBackgroundColor)
cmds = append(cmds, a.layout.Init())
cmds = append(cmds, a.completionDialog.Init())
cmds = append(cmds, a.status.Init())
// Check if we should show the init dialog
cmds = append(cmds, func() tea.Msg {
shouldShow := a.app.Info.Git && a.app.Info.Time.Initialized == nil
return dialog.ShowInitDialogMsg{Show: shouldShow}
})
return tea.Batch(cmds...)
}
func (a appModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var cmds []tea.Cmd
var cmd tea.Cmd
if a.modal != nil {
bypassModal := false
if _, ok := msg.(modal.CloseModalMsg); ok {
a.modal = nil
return a, nil
}
if msg, ok := msg.(tea.KeyMsg); ok {
switch msg.String() {
case "esc":
a.modal = nil
return a, nil
case "ctrl+c":
return a, tea.Quit
}
// TODO: do we need this?
// don't send commands to the modal
for _, cmdDef := range a.app.Commands {
if key.Matches(msg, cmdDef.KeyBinding) {
bypassModal = true
break
}
}
}
// thanks i hate this
switch msg.(type) {
case tea.WindowSizeMsg:
bypassModal = true
case client.EventSessionUpdated:
bypassModal = true
case client.EventMessageUpdated:
bypassModal = true
case cursor.BlinkMsg:
bypassModal = true
case spinner.TickMsg:
bypassModal = true
}
if !bypassModal {
updatedModal, cmd := a.modal.Update(msg)
a.modal = updatedModal.(layout.Modal)
return a, cmd
}
}
switch msg := msg.(type) {
case chat.SendMsg:
a.showCompletionDialog = false
cmd := a.sendMessage(msg.Text, msg.Attachments)
if cmd != nil {
return a, cmd
}
case dialog.CompletionDialogCloseMsg:
a.showCompletionDialog = false
case commands.ExecuteCommandMsg:
switch msg.Name {
case "quit":
return a, tea.Quit
case "new":
a.app.Session = &client.SessionInfo{}
a.app.Messages = []client.MessageInfo{}
cmds = append(cmds, util.CmdHandler(app.SessionClearedMsg{}))
case "sessions":
sessionDialog := dialog.NewSessionDialog(a.app)
a.modal = sessionDialog
case "model":
modelDialog := dialog.NewModelDialog(a.app)
a.modal = modelDialog
case "theme":
themeDialog := dialog.NewThemeDialog()
a.modal = themeDialog
case "share":
a.app.Client.PostSessionShareWithResponse(context.Background(), client.PostSessionShareJSONRequestBody{
SessionID: a.app.Session.Id,
})
case "init":
return a, a.app.InitializeProject(context.Background())
// case "compact":
// return a, a.app.CompactSession(context.Background())
case "help":
var helpBindings []key.Binding
for _, cmd := range a.app.Commands {
// Create a new binding for help display
helpBindings = append(helpBindings, key.NewBinding(
key.WithKeys(cmd.KeyBinding.Keys()...),
key.WithHelp("/"+cmd.Name, cmd.Description),
))
}
helpDialog := dialog.NewHelpDialog(helpBindings...)
a.modal = helpDialog
}
slog.Info("Execute command", "cmds", cmds)
return a, tea.Batch(cmds...)
case tea.BackgroundColorMsg:
styles.Terminal = &styles.TerminalInfo{
BackgroundIsDark: msg.IsDark(),
}
case client.EventSessionUpdated:
if msg.Properties.Info.Id == a.app.Session.Id {
a.app.Session = &msg.Properties.Info
}
case client.EventMessageUpdated:
if msg.Properties.Info.Metadata.SessionID == a.app.Session.Id {
exists := false
for i, m := range a.app.Messages {
if m.Id == msg.Properties.Info.Id {
a.app.Messages[i] = msg.Properties.Info
exists = true
}
}
if !exists {
a.app.Messages = append(a.app.Messages, msg.Properties.Info)
}
}
case tea.WindowSizeMsg:
msg.Height -= 2 // Make space for the status bar
a.width, a.height = msg.Width, msg.Height
// TODO: move away from global state
layout.Current = &layout.LayoutInfo{
Viewport: layout.Dimensions{
Width: a.width,
Height: a.height,
},
Container: layout.Dimensions{
Width: min(a.width, 80),
},
}
// Update status
s, cmd := a.status.Update(msg)
a.status = s.(status.StatusComponent)
if cmd != nil {
cmds = append(cmds, cmd)
}
// Update chat layout
cmd = a.layout.SetSize(msg.Width, msg.Height)
if cmd != nil {
cmds = append(cmds, cmd)
}
// Update modal if present
if a.modal != nil {
s, cmd := a.modal.Update(msg)
a.modal = s.(layout.Modal)
if cmd != nil {
cmds = append(cmds, cmd)
}
}
return a, tea.Batch(cmds...)
case app.SessionSelectedMsg:
a.app.Session = msg
a.app.Messages, _ = a.app.ListMessages(context.Background(), msg.Id)
case app.ModelSelectedMsg:
a.app.Provider = &msg.Provider
a.app.Model = &msg.Model
a.app.Config.Provider = msg.Provider.Id
a.app.Config.Model = msg.Model.Id
a.app.SaveConfig()
case dialog.ThemeSelectedMsg:
a.app.Config.Theme = msg.ThemeName
a.app.SaveConfig()
// Update layout
u, cmd := a.layout.Update(msg)
a.layout = u.(layout.FlexLayout)
if cmd != nil {
cmds = append(cmds, cmd)
}
// Update status
s, cmd := a.status.Update(msg)
cmds = append(cmds, cmd)
a.status = s.(status.StatusComponent)
t := theme.CurrentTheme()
cmds = append(cmds, tea.SetBackgroundColor(t.Background()))
return a, tea.Batch(cmds...)
case tea.KeyMsg:
switch msg.String() {
// give the editor a chance to clear input
case "ctrl+c":
_, cmd := a.editorContainer.Update(msg)
if cmd != nil {
return a, cmd
}
}
// Handle chat-specific keys
switch {
case key.Matches(msg, keyMap.ShowCompletionDialog):
a.showCompletionDialog = true
// Continue sending keys to layout->chat
case key.Matches(msg, keyMap.Cancel):
if a.app.Session.Id != "" {
// Cancel the current session's generation process
// This allows users to interrupt long-running operations
a.app.Cancel(context.Background(), a.app.Session.Id)
return a, nil
}
case key.Matches(msg, keyMap.ToggleTools):
return a, util.CmdHandler(chat.ToggleToolMessagesMsg{})
}
// First, check for modal triggers from the command registry
if a.modal == nil {
for _, cmdDef := range a.app.Commands {
if key.Matches(msg, cmdDef.KeyBinding) {
// If a key matches, send an ExecuteCommandMsg to self.
// This unifies keybinding and slash command handling.
return a, util.CmdHandler(commands.ExecuteCommandMsg{Name: cmdDef.Name})
}
}
}
}
if a.showCompletionDialog {
currentInput := a.editor.Value()
provider := a.completionManager.GetProvider(currentInput)
a.completionDialog.SetProvider(provider)
context, contextCmd := a.completionDialog.Update(msg)
a.completionDialog = context.(dialog.CompletionDialog)
cmds = append(cmds, contextCmd)
// Doesn't forward event if enter key is pressed
if keyMsg, ok := msg.(tea.KeyMsg); ok {
if keyMsg.String() == "enter" {
return a, tea.Batch(cmds...)
}
}
}
// update status bar
s, cmd := a.status.Update(msg)
cmds = append(cmds, cmd)
a.status = s.(status.StatusComponent)
// update chat layout
u, cmd := a.layout.Update(msg)
a.layout = u.(layout.FlexLayout)
cmds = append(cmds, cmd)
return a, tea.Batch(cmds...)
}
func (a *appModel) sendMessage(text string, attachments []app.Attachment) tea.Cmd {
var cmds []tea.Cmd
cmd := a.app.SendChatMessage(context.Background(), text, attachments)
cmds = append(cmds, cmd)
return tea.Batch(cmds...)
}
func (a appModel) View() string {
layoutView := a.layout.View()
if a.showCompletionDialog {
editorWidth, _ := a.editorContainer.GetSize()
editorX, editorY := a.editorContainer.GetPosition()
a.completionDialog.SetWidth(editorWidth)
overlay := a.completionDialog.View()
layoutView = layout.PlaceOverlay(
editorX,
editorY-lipgloss.Height(overlay)+2,
overlay,
layoutView,
)
}
components := []string{
layoutView,
a.status.View(),
}
appView := lipgloss.JoinVertical(lipgloss.Top, components...)
if a.modal != nil {
appView = a.modal.Render(appView)
}
return appView
}
func NewModel(app *app.App) tea.Model {
completionManager := completions.NewCompletionManager(app)
initialProvider := completionManager.GetProvider("")
completionDialog := dialog.NewCompletionDialogComponent(initialProvider)
messagesContainer := layout.NewContainer(
chat.NewMessagesComponent(app),
)
editor := chat.NewEditorComponent(app)
editorContainer := layout.NewContainer(
editor,
layout.WithMaxWidth(layout.Current.Container.Width),
layout.WithAlignCenter(),
)
model := &appModel{
status: status.NewStatusCmp(app),
app: app,
editorContainer: editorContainer,
editor: editor,
messagesContainer: messagesContainer,
completionDialog: completionDialog,
completionManager: completionManager,
showCompletionDialog: false,
layout: layout.NewFlexLayout(
layout.WithPanes(messagesContainer, editorContainer),
layout.WithDirection(layout.FlexDirectionVertical),
layout.WithPaneSizes(
layout.FlexPaneSizeGrow,
layout.FlexPaneSizeFixed(6),
),
),
}
return model
}