1package chat
2
3import (
4 "context"
5 "strings"
6 "time"
7
8 "github.com/atotto/clipboard"
9 "github.com/charmbracelet/bubbles/v2/key"
10 tea "github.com/charmbracelet/bubbletea/v2"
11 "github.com/charmbracelet/crush/internal/agent"
12 "github.com/charmbracelet/crush/internal/app"
13 "github.com/charmbracelet/crush/internal/message"
14 "github.com/charmbracelet/crush/internal/permission"
15 "github.com/charmbracelet/crush/internal/pubsub"
16 "github.com/charmbracelet/crush/internal/session"
17 "github.com/charmbracelet/crush/internal/tui/components/chat/messages"
18 "github.com/charmbracelet/crush/internal/tui/components/core/layout"
19 "github.com/charmbracelet/crush/internal/tui/exp/list"
20 "github.com/charmbracelet/crush/internal/tui/styles"
21 "github.com/charmbracelet/crush/internal/tui/util"
22)
23
24type SendMsg struct {
25 Text string
26 Attachments []message.Attachment
27}
28
29type SessionSelectedMsg = session.Session
30
31type SessionClearedMsg struct{}
32
33type SelectionCopyMsg struct {
34 clickCount int
35 endSelection bool
36 x, y int
37}
38
39const (
40 NotFound = -1
41)
42
43// MessageListCmp represents a component that displays a list of chat messages
44// with support for real-time updates and session management.
45type MessageListCmp interface {
46 util.Model
47 layout.Sizeable
48 layout.Focusable
49 layout.Help
50
51 SetSession(session.Session) tea.Cmd
52 GoToBottom() tea.Cmd
53 GetSelectedText() string
54 CopySelectedText(bool) tea.Cmd
55}
56
57// messageListCmp implements MessageListCmp, providing a virtualized list
58// of chat messages with support for tool calls, real-time updates, and
59// session switching.
60type messageListCmp struct {
61 app *app.App
62 width, height int
63 session session.Session
64 listCmp list.List[list.Item]
65 previousSelected string // Last selected item index for restoring focus
66
67 lastUserMessageTime int64
68 defaultListKeyMap list.KeyMap
69
70 // Click tracking for double/triple click detection
71 lastClickTime time.Time
72 lastClickX int
73 lastClickY int
74 clickCount int
75 promptQueue int
76}
77
78// New creates a new message list component with custom keybindings
79// and reverse ordering (newest messages at bottom).
80func New(app *app.App) MessageListCmp {
81 defaultListKeyMap := list.DefaultKeyMap()
82 listCmp := list.New(
83 []list.Item{},
84 list.WithGap(1),
85 list.WithDirectionBackward(),
86 list.WithFocus(false),
87 list.WithKeyMap(defaultListKeyMap),
88 list.WithEnableMouse(),
89 )
90 return &messageListCmp{
91 app: app,
92 listCmp: listCmp,
93 previousSelected: "",
94 defaultListKeyMap: defaultListKeyMap,
95 }
96}
97
98// Init initializes the component.
99func (m *messageListCmp) Init() tea.Cmd {
100 return m.listCmp.Init()
101}
102
103// Update handles incoming messages and updates the component state.
104func (m *messageListCmp) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
105 var cmds []tea.Cmd
106 if m.session.ID != "" && m.app.AgentCoordinator != nil {
107 queueSize := m.app.AgentCoordinator.QueuedPrompts(m.session.ID)
108 if queueSize != m.promptQueue {
109 m.promptQueue = queueSize
110 cmds = append(cmds, m.SetSize(m.width, m.height))
111 }
112 }
113 switch msg := msg.(type) {
114 case tea.KeyPressMsg:
115 if m.listCmp.IsFocused() && m.listCmp.HasSelection() {
116 switch {
117 case key.Matches(msg, messages.CopyKey):
118 cmds = append(cmds, m.CopySelectedText(true))
119 return m, tea.Batch(cmds...)
120 case key.Matches(msg, messages.ClearSelectionKey):
121 cmds = append(cmds, m.SelectionClear())
122 return m, tea.Batch(cmds...)
123 }
124 }
125 case tea.MouseClickMsg:
126 x := msg.X - 1 // Adjust for padding
127 y := msg.Y - 1 // Adjust for padding
128 if x < 0 || y < 0 || x >= m.width-2 || y >= m.height-1 {
129 return m, nil // Ignore clicks outside the component
130 }
131 if msg.Button == tea.MouseLeft {
132 cmds = append(cmds, m.handleMouseClick(x, y))
133 return m, tea.Batch(cmds...)
134 }
135 return m, tea.Batch(cmds...)
136 case tea.MouseMotionMsg:
137 x := msg.X - 1 // Adjust for padding
138 y := msg.Y - 1 // Adjust for padding
139 if x < 0 || y < 0 || x >= m.width-2 || y >= m.height-1 {
140 if y < 0 {
141 cmds = append(cmds, m.listCmp.MoveUp(1))
142 return m, tea.Batch(cmds...)
143 }
144 if y >= m.height-1 {
145 cmds = append(cmds, m.listCmp.MoveDown(1))
146 return m, tea.Batch(cmds...)
147 }
148 return m, nil // Ignore clicks outside the component
149 }
150 if msg.Button == tea.MouseLeft {
151 m.listCmp.EndSelection(x, y)
152 }
153 return m, tea.Batch(cmds...)
154 case tea.MouseReleaseMsg:
155 x := msg.X - 1 // Adjust for padding
156 y := msg.Y - 1 // Adjust for padding
157 if msg.Button == tea.MouseLeft {
158 clickCount := m.clickCount
159 if x < 0 || y < 0 || x >= m.width-2 || y >= m.height-1 {
160 tick := tea.Tick(doubleClickThreshold, func(time.Time) tea.Msg {
161 return SelectionCopyMsg{
162 clickCount: clickCount,
163 endSelection: false,
164 }
165 })
166
167 cmds = append(cmds, tick)
168 return m, tea.Batch(cmds...)
169 }
170 tick := tea.Tick(doubleClickThreshold, func(time.Time) tea.Msg {
171 return SelectionCopyMsg{
172 clickCount: clickCount,
173 endSelection: true,
174 x: x,
175 y: y,
176 }
177 })
178 cmds = append(cmds, tick)
179 return m, tea.Batch(cmds...)
180 }
181 return m, nil
182 case SelectionCopyMsg:
183 if msg.clickCount == m.clickCount && time.Since(m.lastClickTime) >= doubleClickThreshold {
184 // If the click count matches and within threshold, copy selected text
185 if msg.endSelection {
186 m.listCmp.EndSelection(msg.x, msg.y)
187 }
188 m.listCmp.SelectionStop()
189 cmds = append(cmds, m.CopySelectedText(true))
190 return m, tea.Batch(cmds...)
191 }
192 case pubsub.Event[permission.PermissionNotification]:
193 cmds = append(cmds, m.handlePermissionRequest(msg.Payload))
194 return m, tea.Batch(cmds...)
195 case SessionSelectedMsg:
196 if msg.ID != m.session.ID {
197 cmds = append(cmds, m.SetSession(msg))
198 }
199 return m, tea.Batch(cmds...)
200 case SessionClearedMsg:
201 m.session = session.Session{}
202 cmds = append(cmds, m.listCmp.SetItems([]list.Item{}))
203 return m, tea.Batch(cmds...)
204
205 case pubsub.Event[message.Message]:
206 cmds = append(cmds, m.handleMessageEvent(msg))
207 return m, tea.Batch(cmds...)
208
209 case tea.MouseWheelMsg:
210 u, cmd := m.listCmp.Update(msg)
211 m.listCmp = u.(list.List[list.Item])
212 cmds = append(cmds, cmd)
213 return m, tea.Batch(cmds...)
214 }
215
216 u, cmd := m.listCmp.Update(msg)
217 m.listCmp = u.(list.List[list.Item])
218 cmds = append(cmds, cmd)
219 return m, tea.Batch(cmds...)
220}
221
222// View renders the message list or an initial screen if empty.
223func (m *messageListCmp) View() string {
224 t := styles.CurrentTheme()
225 height := m.height
226 if m.promptQueue > 0 {
227 height -= 4 // pill height and padding
228 }
229 view := []string{
230 t.S().Base.
231 Padding(1, 1, 0, 1).
232 Width(m.width).
233 Height(height).
234 Render(
235 m.listCmp.View(),
236 ),
237 }
238 if m.app.AgentCoordinator != nil && m.promptQueue > 0 {
239 queuePill := queuePill(m.promptQueue, t)
240 view = append(view, t.S().Base.PaddingLeft(4).PaddingTop(1).Render(queuePill))
241 }
242 return strings.Join(view, "\n")
243}
244
245func (m *messageListCmp) handlePermissionRequest(permission permission.PermissionNotification) tea.Cmd {
246 items := m.listCmp.Items()
247 if toolCallIndex := m.findToolCallByID(items, permission.ToolCallID); toolCallIndex != NotFound {
248 toolCall := items[toolCallIndex].(messages.ToolCallCmp)
249 toolCall.SetPermissionRequested()
250 if permission.Granted {
251 toolCall.SetPermissionGranted()
252 }
253 m.listCmp.UpdateItem(toolCall.ID(), toolCall)
254 }
255 return nil
256}
257
258// handleChildSession handles messages from child sessions (agent tools).
259func (m *messageListCmp) handleChildSession(event pubsub.Event[message.Message]) tea.Cmd {
260 var cmds []tea.Cmd
261 if len(event.Payload.ToolCalls()) == 0 && len(event.Payload.ToolResults()) == 0 {
262 return nil
263 }
264 items := m.listCmp.Items()
265 toolCallInx := NotFound
266 var toolCall messages.ToolCallCmp
267 for i := len(items) - 1; i >= 0; i-- {
268 if msg, ok := items[i].(messages.ToolCallCmp); ok {
269 if msg.GetToolCall().ID == event.Payload.SessionID {
270 toolCallInx = i
271 toolCall = msg
272 }
273 }
274 }
275 if toolCallInx == NotFound {
276 return nil
277 }
278 nestedToolCalls := toolCall.GetNestedToolCalls()
279 for _, tc := range event.Payload.ToolCalls() {
280 found := false
281 for existingInx, existingTC := range nestedToolCalls {
282 if existingTC.GetToolCall().ID == tc.ID {
283 nestedToolCalls[existingInx].SetToolCall(tc)
284 found = true
285 break
286 }
287 }
288 if !found {
289 nestedCall := messages.NewToolCallCmp(
290 event.Payload.ID,
291 tc,
292 m.app.Permissions,
293 messages.WithToolCallNested(true),
294 )
295 cmds = append(cmds, nestedCall.Init())
296 nestedToolCalls = append(
297 nestedToolCalls,
298 nestedCall,
299 )
300 }
301 }
302 for _, tr := range event.Payload.ToolResults() {
303 for nestedInx, nestedTC := range nestedToolCalls {
304 if nestedTC.GetToolCall().ID == tr.ToolCallID {
305 nestedToolCalls[nestedInx].SetToolResult(tr)
306 break
307 }
308 }
309 }
310
311 toolCall.SetNestedToolCalls(nestedToolCalls)
312 m.listCmp.UpdateItem(
313 toolCall.ID(),
314 toolCall,
315 )
316 return tea.Batch(cmds...)
317}
318
319// handleMessageEvent processes different types of message events (created/updated).
320func (m *messageListCmp) handleMessageEvent(event pubsub.Event[message.Message]) tea.Cmd {
321 switch event.Type {
322 case pubsub.CreatedEvent:
323 if event.Payload.SessionID != m.session.ID {
324 return m.handleChildSession(event)
325 }
326 if m.messageExists(event.Payload.ID) {
327 return nil
328 }
329 return m.handleNewMessage(event.Payload)
330 case pubsub.UpdatedEvent:
331 if event.Payload.SessionID != m.session.ID {
332 return m.handleChildSession(event)
333 }
334 switch event.Payload.Role {
335 case message.Assistant:
336 return m.handleUpdateAssistantMessage(event.Payload)
337 case message.Tool:
338 return m.handleToolMessage(event.Payload)
339 }
340 }
341 return nil
342}
343
344// messageExists checks if a message with the given ID already exists in the list.
345func (m *messageListCmp) messageExists(messageID string) bool {
346 items := m.listCmp.Items()
347 // Search backwards as new messages are more likely to be at the end
348 for i := len(items) - 1; i >= 0; i-- {
349 if msg, ok := items[i].(messages.MessageCmp); ok && msg.GetMessage().ID == messageID {
350 return true
351 }
352 }
353 return false
354}
355
356// handleNewMessage routes new messages to appropriate handlers based on role.
357func (m *messageListCmp) handleNewMessage(msg message.Message) tea.Cmd {
358 switch msg.Role {
359 case message.User:
360 return m.handleNewUserMessage(msg)
361 case message.Assistant:
362 return m.handleNewAssistantMessage(msg)
363 case message.Tool:
364 return m.handleToolMessage(msg)
365 }
366 return nil
367}
368
369// handleNewUserMessage adds a new user message to the list and updates the timestamp.
370func (m *messageListCmp) handleNewUserMessage(msg message.Message) tea.Cmd {
371 m.lastUserMessageTime = msg.CreatedAt
372 return m.listCmp.AppendItem(messages.NewMessageCmp(msg))
373}
374
375// handleToolMessage updates existing tool calls with their results.
376func (m *messageListCmp) handleToolMessage(msg message.Message) tea.Cmd {
377 items := m.listCmp.Items()
378 for _, tr := range msg.ToolResults() {
379 if toolCallIndex := m.findToolCallByID(items, tr.ToolCallID); toolCallIndex != NotFound {
380 toolCall := items[toolCallIndex].(messages.ToolCallCmp)
381 toolCall.SetToolResult(tr)
382 m.listCmp.UpdateItem(toolCall.ID(), toolCall)
383 }
384 }
385 return nil
386}
387
388// findToolCallByID searches for a tool call with the specified ID.
389// Returns the index if found, NotFound otherwise.
390func (m *messageListCmp) findToolCallByID(items []list.Item, toolCallID string) int {
391 // Search backwards as tool calls are more likely to be recent
392 for i := len(items) - 1; i >= 0; i-- {
393 if toolCall, ok := items[i].(messages.ToolCallCmp); ok && toolCall.GetToolCall().ID == toolCallID {
394 return i
395 }
396 }
397 return NotFound
398}
399
400// handleUpdateAssistantMessage processes updates to assistant messages,
401// managing both message content and associated tool calls.
402func (m *messageListCmp) handleUpdateAssistantMessage(msg message.Message) tea.Cmd {
403 var cmds []tea.Cmd
404 items := m.listCmp.Items()
405
406 // Find existing assistant message and tool calls for this message
407 assistantIndex, existingToolCalls := m.findAssistantMessageAndToolCalls(items, msg.ID)
408
409 // Handle assistant message content
410 if cmd := m.updateAssistantMessageContent(msg, assistantIndex); cmd != nil {
411 cmds = append(cmds, cmd)
412 }
413
414 // Handle tool calls
415 if cmd := m.updateToolCalls(msg, existingToolCalls); cmd != nil {
416 cmds = append(cmds, cmd)
417 }
418
419 return tea.Batch(cmds...)
420}
421
422// findAssistantMessageAndToolCalls locates the assistant message and its tool calls.
423func (m *messageListCmp) findAssistantMessageAndToolCalls(items []list.Item, messageID string) (int, map[int]messages.ToolCallCmp) {
424 assistantIndex := NotFound
425 toolCalls := make(map[int]messages.ToolCallCmp)
426
427 // Search backwards as messages are more likely to be at the end
428 for i := len(items) - 1; i >= 0; i-- {
429 item := items[i]
430 if asMsg, ok := item.(messages.MessageCmp); ok {
431 if asMsg.GetMessage().ID == messageID {
432 assistantIndex = i
433 }
434 } else if tc, ok := item.(messages.ToolCallCmp); ok {
435 if tc.ParentMessageID() == messageID {
436 toolCalls[i] = tc
437 }
438 }
439 }
440
441 return assistantIndex, toolCalls
442}
443
444// updateAssistantMessageContent updates or removes the assistant message based on content.
445func (m *messageListCmp) updateAssistantMessageContent(msg message.Message, assistantIndex int) tea.Cmd {
446 if assistantIndex == NotFound {
447 return nil
448 }
449
450 shouldShowMessage := m.shouldShowAssistantMessage(msg)
451 hasToolCallsOnly := len(msg.ToolCalls()) > 0 && msg.Content().Text == ""
452
453 var cmd tea.Cmd
454 if shouldShowMessage {
455 items := m.listCmp.Items()
456 uiMsg := items[assistantIndex].(messages.MessageCmp)
457 uiMsg.SetMessage(msg)
458 m.listCmp.UpdateItem(
459 items[assistantIndex].ID(),
460 uiMsg,
461 )
462 if msg.FinishPart() != nil && msg.FinishPart().Reason == message.FinishReasonEndTurn {
463 m.listCmp.AppendItem(
464 messages.NewAssistantSection(
465 msg,
466 time.Unix(m.lastUserMessageTime, 0),
467 ),
468 )
469 }
470 } else if hasToolCallsOnly {
471 items := m.listCmp.Items()
472 m.listCmp.DeleteItem(items[assistantIndex].ID())
473 }
474
475 return cmd
476}
477
478// shouldShowAssistantMessage determines if an assistant message should be displayed.
479func (m *messageListCmp) shouldShowAssistantMessage(msg message.Message) bool {
480 return len(msg.ToolCalls()) == 0 || msg.Content().Text != "" || msg.ReasoningContent().Thinking != "" || msg.IsThinking()
481}
482
483// updateToolCalls handles updates to tool calls, updating existing ones and adding new ones.
484func (m *messageListCmp) updateToolCalls(msg message.Message, existingToolCalls map[int]messages.ToolCallCmp) tea.Cmd {
485 var cmds []tea.Cmd
486
487 for _, tc := range msg.ToolCalls() {
488 if cmd := m.updateOrAddToolCall(msg, tc, existingToolCalls); cmd != nil {
489 cmds = append(cmds, cmd)
490 }
491 }
492
493 return tea.Batch(cmds...)
494}
495
496// updateOrAddToolCall updates an existing tool call or adds a new one.
497func (m *messageListCmp) updateOrAddToolCall(msg message.Message, tc message.ToolCall, existingToolCalls map[int]messages.ToolCallCmp) tea.Cmd {
498 // Try to find existing tool call
499 for _, existingTC := range existingToolCalls {
500 if tc.ID == existingTC.GetToolCall().ID {
501 existingTC.SetToolCall(tc)
502 if msg.FinishPart() != nil && msg.FinishPart().Reason == message.FinishReasonCanceled {
503 existingTC.SetCancelled()
504 }
505 m.listCmp.UpdateItem(tc.ID, existingTC)
506 return nil
507 }
508 }
509
510 // Add new tool call if not found
511 return m.listCmp.AppendItem(messages.NewToolCallCmp(msg.ID, tc, m.app.Permissions))
512}
513
514// handleNewAssistantMessage processes new assistant messages and their tool calls.
515func (m *messageListCmp) handleNewAssistantMessage(msg message.Message) tea.Cmd {
516 var cmds []tea.Cmd
517
518 // Add assistant message if it should be displayed
519 if m.shouldShowAssistantMessage(msg) {
520 cmd := m.listCmp.AppendItem(
521 messages.NewMessageCmp(
522 msg,
523 ),
524 )
525 cmds = append(cmds, cmd)
526 }
527
528 // Add tool calls
529 for _, tc := range msg.ToolCalls() {
530 cmd := m.listCmp.AppendItem(messages.NewToolCallCmp(msg.ID, tc, m.app.Permissions))
531 cmds = append(cmds, cmd)
532 }
533
534 return tea.Batch(cmds...)
535}
536
537// SetSession loads and displays messages for a new session.
538func (m *messageListCmp) SetSession(session session.Session) tea.Cmd {
539 if m.session.ID == session.ID {
540 return nil
541 }
542
543 m.session = session
544 sessionMessages, err := m.app.Messages.List(context.Background(), session.ID)
545 if err != nil {
546 return util.ReportError(err)
547 }
548
549 if len(sessionMessages) == 0 {
550 return m.listCmp.SetItems([]list.Item{})
551 }
552
553 // Initialize with first message timestamp
554 m.lastUserMessageTime = sessionMessages[0].CreatedAt
555
556 // Build tool result map for efficient lookup
557 toolResultMap := m.buildToolResultMap(sessionMessages)
558
559 // Convert messages to UI components
560 uiMessages := m.convertMessagesToUI(sessionMessages, toolResultMap)
561
562 return m.listCmp.SetItems(uiMessages)
563}
564
565// buildToolResultMap creates a map of tool call ID to tool result for efficient lookup.
566func (m *messageListCmp) buildToolResultMap(messages []message.Message) map[string]message.ToolResult {
567 toolResultMap := make(map[string]message.ToolResult)
568 for _, msg := range messages {
569 for _, tr := range msg.ToolResults() {
570 toolResultMap[tr.ToolCallID] = tr
571 }
572 }
573 return toolResultMap
574}
575
576// convertMessagesToUI converts database messages to UI components.
577func (m *messageListCmp) convertMessagesToUI(sessionMessages []message.Message, toolResultMap map[string]message.ToolResult) []list.Item {
578 uiMessages := make([]list.Item, 0)
579
580 for _, msg := range sessionMessages {
581 switch msg.Role {
582 case message.User:
583 m.lastUserMessageTime = msg.CreatedAt
584 uiMessages = append(uiMessages, messages.NewMessageCmp(msg))
585 case message.Assistant:
586 uiMessages = append(uiMessages, m.convertAssistantMessage(msg, toolResultMap)...)
587 if msg.FinishPart() != nil && msg.FinishPart().Reason == message.FinishReasonEndTurn {
588 uiMessages = append(uiMessages, messages.NewAssistantSection(msg, time.Unix(m.lastUserMessageTime, 0)))
589 }
590 }
591 }
592
593 return uiMessages
594}
595
596// convertAssistantMessage converts an assistant message and its tool calls to UI components.
597func (m *messageListCmp) convertAssistantMessage(msg message.Message, toolResultMap map[string]message.ToolResult) []list.Item {
598 var uiMessages []list.Item
599
600 // Add assistant message if it should be displayed
601 if m.shouldShowAssistantMessage(msg) {
602 uiMessages = append(
603 uiMessages,
604 messages.NewMessageCmp(
605 msg,
606 ),
607 )
608 }
609
610 // Add tool calls with their results and status
611 for _, tc := range msg.ToolCalls() {
612 options := m.buildToolCallOptions(tc, msg, toolResultMap)
613 uiMessages = append(uiMessages, messages.NewToolCallCmp(msg.ID, tc, m.app.Permissions, options...))
614 // If this tool call is the agent tool, fetch nested tool calls
615 if tc.Name == agent.AgentToolName {
616 nestedMessages, _ := m.app.Messages.List(context.Background(), tc.ID)
617 nestedToolResultMap := m.buildToolResultMap(nestedMessages)
618 nestedUIMessages := m.convertMessagesToUI(nestedMessages, nestedToolResultMap)
619 nestedToolCalls := make([]messages.ToolCallCmp, 0, len(nestedUIMessages))
620 for _, nestedMsg := range nestedUIMessages {
621 if toolCall, ok := nestedMsg.(messages.ToolCallCmp); ok {
622 toolCall.SetIsNested(true)
623 nestedToolCalls = append(nestedToolCalls, toolCall)
624 }
625 }
626 uiMessages[len(uiMessages)-1].(messages.ToolCallCmp).SetNestedToolCalls(nestedToolCalls)
627 }
628 }
629
630 return uiMessages
631}
632
633// buildToolCallOptions creates options for tool call components based on results and status.
634func (m *messageListCmp) buildToolCallOptions(tc message.ToolCall, msg message.Message, toolResultMap map[string]message.ToolResult) []messages.ToolCallOption {
635 var options []messages.ToolCallOption
636
637 // Add tool result if available
638 if tr, ok := toolResultMap[tc.ID]; ok {
639 options = append(options, messages.WithToolCallResult(tr))
640 }
641
642 // Add cancelled status if applicable
643 if msg.FinishPart() != nil && msg.FinishPart().Reason == message.FinishReasonCanceled {
644 options = append(options, messages.WithToolCallCancelled())
645 }
646
647 return options
648}
649
650// GetSize returns the current width and height of the component.
651func (m *messageListCmp) GetSize() (int, int) {
652 return m.width, m.height
653}
654
655// SetSize updates the component dimensions and propagates to the list component.
656func (m *messageListCmp) SetSize(width int, height int) tea.Cmd {
657 m.width = width
658 m.height = height
659 if m.promptQueue > 0 {
660 queueHeight := 3 + 1 // 1 for padding top
661 lHight := max(0, height-(1+queueHeight))
662 return m.listCmp.SetSize(width-2, lHight)
663 }
664 return m.listCmp.SetSize(width-2, max(0, height-1)) // for padding
665}
666
667// Blur implements MessageListCmp.
668func (m *messageListCmp) Blur() tea.Cmd {
669 return m.listCmp.Blur()
670}
671
672// Focus implements MessageListCmp.
673func (m *messageListCmp) Focus() tea.Cmd {
674 return m.listCmp.Focus()
675}
676
677// IsFocused implements MessageListCmp.
678func (m *messageListCmp) IsFocused() bool {
679 return m.listCmp.IsFocused()
680}
681
682func (m *messageListCmp) Bindings() []key.Binding {
683 return m.defaultListKeyMap.KeyBindings()
684}
685
686func (m *messageListCmp) GoToBottom() tea.Cmd {
687 return m.listCmp.GoToBottom()
688}
689
690const (
691 doubleClickThreshold = 500 * time.Millisecond
692 clickTolerance = 2 // pixels
693)
694
695// handleMouseClick handles mouse click events and detects double/triple clicks.
696func (m *messageListCmp) handleMouseClick(x, y int) tea.Cmd {
697 now := time.Now()
698
699 // Check if this is a potential multi-click
700 if now.Sub(m.lastClickTime) <= doubleClickThreshold &&
701 abs(x-m.lastClickX) <= clickTolerance &&
702 abs(y-m.lastClickY) <= clickTolerance {
703 m.clickCount++
704 } else {
705 m.clickCount = 1
706 }
707
708 m.lastClickTime = now
709 m.lastClickX = x
710 m.lastClickY = y
711
712 switch m.clickCount {
713 case 1:
714 // Single click - start selection
715 m.listCmp.StartSelection(x, y)
716 case 2:
717 // Double click - select word
718 m.listCmp.SelectWord(x, y)
719 case 3:
720 // Triple click - select paragraph
721 m.listCmp.SelectParagraph(x, y)
722 m.clickCount = 0 // Reset after triple click
723 }
724
725 return nil
726}
727
728// SelectionClear clears the current selection in the list component.
729func (m *messageListCmp) SelectionClear() tea.Cmd {
730 m.listCmp.SelectionClear()
731 m.previousSelected = ""
732 m.lastClickX, m.lastClickY = 0, 0
733 m.lastClickTime = time.Time{}
734 m.clickCount = 0
735 return nil
736}
737
738// HasSelection checks if there is a selection in the list component.
739func (m *messageListCmp) HasSelection() bool {
740 return m.listCmp.HasSelection()
741}
742
743// GetSelectedText returns the currently selected text from the list component.
744func (m *messageListCmp) GetSelectedText() string {
745 return m.listCmp.GetSelectedText(3) // 3 padding for the left border/padding
746}
747
748// CopySelectedText copies the currently selected text to the clipboard. When
749// clear is true, it clears the selection after copying.
750func (m *messageListCmp) CopySelectedText(clear bool) tea.Cmd {
751 if !m.listCmp.HasSelection() {
752 return nil
753 }
754
755 selectedText := m.GetSelectedText()
756 if selectedText == "" {
757 return util.ReportInfo("No text selected")
758 }
759
760 if clear {
761 defer func() { m.SelectionClear() }()
762 }
763
764 return tea.Sequence(
765 // We use both OSC 52 and native clipboard for compatibility with different
766 // terminal emulators and environments.
767 tea.SetClipboard(selectedText),
768 func() tea.Msg {
769 _ = clipboard.WriteAll(selectedText)
770 return nil
771 },
772 util.ReportInfo("Selected text copied to clipboard"),
773 )
774}
775
776// abs returns the absolute value of an integer.
777func abs(x int) int {
778 if x < 0 {
779 return -x
780 }
781 return x
782}