1use std::collections::BTreeMap;
2use std::sync::Arc;
3
4use crate::assistant_model_selector::{AssistantModelSelector, ModelType};
5use crate::context::{ContextLoadResult, load_context};
6use crate::tool_compatibility::{IncompatibleToolsState, IncompatibleToolsTooltip};
7use crate::ui::{AgentPreview, AnimatedLabel};
8use buffer_diff::BufferDiff;
9use collections::HashSet;
10use editor::actions::{MoveUp, Paste};
11use editor::{
12 ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement, EditorEvent, EditorMode,
13 EditorStyle, MultiBuffer,
14};
15use feature_flags::{FeatureFlagAppExt, NewBillingFeatureFlag};
16use file_icons::FileIcons;
17use fs::Fs;
18use futures::future::Shared;
19use futures::{FutureExt as _, future};
20use gpui::{
21 Animation, AnimationExt, App, ClipboardEntry, Entity, EventEmitter, Focusable, Subscription,
22 Task, TextStyle, WeakEntity, linear_color_stop, linear_gradient, point, pulsating_between,
23};
24use language::{Buffer, Language};
25use language_model::{ConfiguredModel, LanguageModelRequestMessage, MessageContent};
26use language_model_selector::ToggleModelSelector;
27use multi_buffer;
28use project::Project;
29use prompt_store::PromptStore;
30use settings::Settings;
31use std::time::Duration;
32use theme::ThemeSettings;
33use ui::{Disclosure, KeyBinding, PopoverMenuHandle, Tooltip, prelude::*};
34use util::ResultExt as _;
35use workspace::Workspace;
36use zed_llm_client::CompletionMode;
37
38use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider};
39use crate::context_store::ContextStore;
40use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
41use crate::profile_selector::ProfileSelector;
42use crate::thread::{Thread, TokenUsageRatio};
43use crate::thread_store::ThreadStore;
44use crate::{
45 ActiveThread, AgentDiff, Chat, ExpandMessageEditor, NewThread, OpenAgentDiff, RemoveAllContext,
46 ToggleContextPicker, ToggleProfileSelector, register_agent_preview,
47};
48
49#[derive(RegisterComponent)]
50pub struct MessageEditor {
51 thread: Entity<Thread>,
52 incompatible_tools_state: Entity<IncompatibleToolsState>,
53 editor: Entity<Editor>,
54 workspace: WeakEntity<Workspace>,
55 project: Entity<Project>,
56 context_store: Entity<ContextStore>,
57 prompt_store: Option<Entity<PromptStore>>,
58 context_strip: Entity<ContextStrip>,
59 context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
60 model_selector: Entity<AssistantModelSelector>,
61 last_loaded_context: Option<ContextLoadResult>,
62 load_context_task: Option<Shared<Task<()>>>,
63 profile_selector: Entity<ProfileSelector>,
64 edits_expanded: bool,
65 editor_is_expanded: bool,
66 last_estimated_token_count: Option<usize>,
67 update_token_count_task: Option<Task<()>>,
68 _subscriptions: Vec<Subscription>,
69}
70
71const MAX_EDITOR_LINES: usize = 8;
72
73pub(crate) fn create_editor(
74 workspace: WeakEntity<Workspace>,
75 context_store: WeakEntity<ContextStore>,
76 thread_store: WeakEntity<ThreadStore>,
77 window: &mut Window,
78 cx: &mut App,
79) -> Entity<Editor> {
80 let language = Language::new(
81 language::LanguageConfig {
82 completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
83 ..Default::default()
84 },
85 None,
86 );
87
88 let editor = cx.new(|cx| {
89 let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
90 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
91 let mut editor = Editor::new(
92 editor::EditorMode::AutoHeight {
93 max_lines: MAX_EDITOR_LINES,
94 },
95 buffer,
96 None,
97 window,
98 cx,
99 );
100 editor.set_placeholder_text("Ask anything, @ to mention, ↑ to select", cx);
101 editor.set_show_indent_guides(false, cx);
102 editor.set_soft_wrap();
103 editor.set_context_menu_options(ContextMenuOptions {
104 min_entries_visible: 12,
105 max_entries_visible: 12,
106 placement: Some(ContextMenuPlacement::Above),
107 });
108 editor
109 });
110
111 let editor_entity = editor.downgrade();
112 editor.update(cx, |editor, _| {
113 editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
114 workspace,
115 context_store,
116 Some(thread_store),
117 editor_entity,
118 ))));
119 });
120 editor
121}
122
123impl MessageEditor {
124 pub fn new(
125 fs: Arc<dyn Fs>,
126 workspace: WeakEntity<Workspace>,
127 context_store: Entity<ContextStore>,
128 prompt_store: Option<Entity<PromptStore>>,
129 thread_store: WeakEntity<ThreadStore>,
130 thread: Entity<Thread>,
131 window: &mut Window,
132 cx: &mut Context<Self>,
133 ) -> Self {
134 let context_picker_menu_handle = PopoverMenuHandle::default();
135 let model_selector_menu_handle = PopoverMenuHandle::default();
136
137 let editor = create_editor(
138 workspace.clone(),
139 context_store.downgrade(),
140 thread_store.clone(),
141 window,
142 cx,
143 );
144
145 let context_strip = cx.new(|cx| {
146 ContextStrip::new(
147 context_store.clone(),
148 workspace.clone(),
149 Some(thread_store.clone()),
150 context_picker_menu_handle.clone(),
151 SuggestContextKind::File,
152 window,
153 cx,
154 )
155 });
156
157 let incompatible_tools =
158 cx.new(|cx| IncompatibleToolsState::new(thread.read(cx).tools().clone(), cx));
159
160 let subscriptions = vec![
161 cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event),
162 cx.subscribe(&editor, |this, _, event, cx| match event {
163 EditorEvent::BufferEdited => this.handle_message_changed(cx),
164 _ => {}
165 }),
166 cx.observe(&context_store, |this, _, cx| {
167 // When context changes, reload it for token counting.
168 let _ = this.reload_context(cx);
169 }),
170 ];
171
172 let model_selector = cx.new(|cx| {
173 AssistantModelSelector::new(
174 fs.clone(),
175 model_selector_menu_handle,
176 editor.focus_handle(cx),
177 ModelType::Default(thread.clone()),
178 window,
179 cx,
180 )
181 });
182
183 Self {
184 editor: editor.clone(),
185 project: thread.read(cx).project().clone(),
186 thread,
187 incompatible_tools_state: incompatible_tools.clone(),
188 workspace,
189 context_store,
190 prompt_store,
191 context_strip,
192 context_picker_menu_handle,
193 load_context_task: None,
194 last_loaded_context: None,
195 model_selector,
196 edits_expanded: false,
197 editor_is_expanded: false,
198 profile_selector: cx
199 .new(|cx| ProfileSelector::new(fs, thread_store, editor.focus_handle(cx), cx)),
200 last_estimated_token_count: None,
201 update_token_count_task: None,
202 _subscriptions: subscriptions,
203 }
204 }
205
206 pub fn context_store(&self) -> &Entity<ContextStore> {
207 &self.context_store
208 }
209
210 pub fn expand_message_editor(
211 &mut self,
212 _: &ExpandMessageEditor,
213 _window: &mut Window,
214 cx: &mut Context<Self>,
215 ) {
216 self.set_editor_is_expanded(!self.editor_is_expanded, cx);
217 }
218
219 fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
220 self.editor_is_expanded = is_expanded;
221 self.editor.update(cx, |editor, _| {
222 if self.editor_is_expanded {
223 editor.set_mode(EditorMode::Full {
224 scale_ui_elements_with_buffer_font_size: false,
225 show_active_line_background: false,
226 sized_by_content: false,
227 })
228 } else {
229 editor.set_mode(EditorMode::AutoHeight {
230 max_lines: MAX_EDITOR_LINES,
231 })
232 }
233 });
234 cx.notify();
235 }
236
237 fn toggle_context_picker(
238 &mut self,
239 _: &ToggleContextPicker,
240 window: &mut Window,
241 cx: &mut Context<Self>,
242 ) {
243 self.context_picker_menu_handle.toggle(window, cx);
244 }
245
246 pub fn remove_all_context(
247 &mut self,
248 _: &RemoveAllContext,
249 _window: &mut Window,
250 cx: &mut Context<Self>,
251 ) {
252 self.context_store.update(cx, |store, _cx| store.clear());
253 cx.notify();
254 }
255
256 fn chat(&mut self, _: &Chat, window: &mut Window, cx: &mut Context<Self>) {
257 if self.is_editor_empty(cx) {
258 return;
259 }
260
261 self.thread.update(cx, |thread, cx| {
262 thread.cancel_editing(cx);
263 });
264
265 if self.thread.read(cx).is_generating() {
266 self.stop_current_and_send_new_message(window, cx);
267 return;
268 }
269
270 self.set_editor_is_expanded(false, cx);
271 self.send_to_model(window, cx);
272
273 cx.notify();
274 }
275
276 fn is_editor_empty(&self, cx: &App) -> bool {
277 self.editor.read(cx).text(cx).trim().is_empty()
278 }
279
280 fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
281 let Some(ConfiguredModel { model, provider }) = self
282 .thread
283 .update(cx, |thread, cx| thread.get_or_init_configured_model(cx))
284 else {
285 return;
286 };
287
288 if provider.must_accept_terms(cx) {
289 cx.notify();
290 return;
291 }
292
293 let user_message = self.editor.update(cx, |editor, cx| {
294 let text = editor.text(cx);
295 editor.clear(window, cx);
296 text
297 });
298
299 self.last_estimated_token_count.take();
300 cx.emit(MessageEditorEvent::EstimatedTokenCount);
301
302 let thread = self.thread.clone();
303 let git_store = self.project.read(cx).git_store().clone();
304 let checkpoint = git_store.update(cx, |git_store, cx| git_store.checkpoint(cx));
305 let context_task = self.reload_context(cx);
306 let window_handle = window.window_handle();
307
308 cx.spawn(async move |_this, cx| {
309 let (checkpoint, loaded_context) = future::join(checkpoint, context_task).await;
310 let loaded_context = loaded_context.unwrap_or_default();
311
312 thread
313 .update(cx, |thread, cx| {
314 thread.insert_user_message(user_message, loaded_context, checkpoint.ok(), cx);
315 })
316 .log_err();
317
318 thread
319 .update(cx, |thread, cx| {
320 thread.advance_prompt_id();
321 thread.send_to_model(model, Some(window_handle), cx);
322 })
323 .log_err();
324 })
325 .detach();
326 }
327
328 fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
329 self.thread.update(cx, |thread, cx| {
330 thread.cancel_editing(cx);
331 });
332
333 let cancelled = self.thread.update(cx, |thread, cx| {
334 thread.cancel_last_completion(Some(window.window_handle()), cx)
335 });
336
337 if cancelled {
338 self.set_editor_is_expanded(false, cx);
339 self.send_to_model(window, cx);
340 }
341 }
342
343 fn handle_context_strip_event(
344 &mut self,
345 _context_strip: &Entity<ContextStrip>,
346 event: &ContextStripEvent,
347 window: &mut Window,
348 cx: &mut Context<Self>,
349 ) {
350 match event {
351 ContextStripEvent::PickerDismissed
352 | ContextStripEvent::BlurredEmpty
353 | ContextStripEvent::BlurredDown => {
354 let editor_focus_handle = self.editor.focus_handle(cx);
355 window.focus(&editor_focus_handle);
356 }
357 ContextStripEvent::BlurredUp => {}
358 }
359 }
360
361 fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
362 if self.context_picker_menu_handle.is_deployed() {
363 cx.propagate();
364 } else {
365 self.context_strip.focus_handle(cx).focus(window);
366 }
367 }
368
369 fn paste(&mut self, _: &Paste, _: &mut Window, cx: &mut Context<Self>) {
370 let images = cx
371 .read_from_clipboard()
372 .map(|item| {
373 item.into_entries()
374 .filter_map(|entry| {
375 if let ClipboardEntry::Image(image) = entry {
376 Some(image)
377 } else {
378 None
379 }
380 })
381 .collect::<Vec<_>>()
382 })
383 .unwrap_or_default();
384
385 if images.is_empty() {
386 return;
387 }
388 cx.stop_propagation();
389
390 self.context_store.update(cx, |store, cx| {
391 for image in images {
392 store.add_image_instance(Arc::new(image), cx);
393 }
394 });
395 }
396
397 fn handle_review_click(&mut self, window: &mut Window, cx: &mut Context<Self>) {
398 self.edits_expanded = true;
399 AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx).log_err();
400 cx.notify();
401 }
402
403 fn handle_file_click(
404 &self,
405 buffer: Entity<Buffer>,
406 window: &mut Window,
407 cx: &mut Context<Self>,
408 ) {
409 if let Ok(diff) = AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx)
410 {
411 let path_key = multi_buffer::PathKey::for_buffer(&buffer, cx);
412 diff.update(cx, |diff, cx| diff.move_to_path(path_key, window, cx));
413 }
414 }
415
416 fn render_max_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
417 if !cx.has_flag::<NewBillingFeatureFlag>() {
418 return None;
419 }
420
421 let thread = self.thread.read(cx);
422 let model = thread.configured_model();
423 if !model?.model.supports_max_mode() {
424 return None;
425 }
426
427 let active_completion_mode = thread.completion_mode();
428
429 Some(
430 IconButton::new("max-mode", IconName::ZedMaxMode)
431 .icon_size(IconSize::Small)
432 .icon_color(Color::Muted)
433 .toggle_state(active_completion_mode == CompletionMode::Max)
434 .on_click(cx.listener(move |this, _event, _window, cx| {
435 this.thread.update(cx, |thread, _cx| {
436 thread.set_completion_mode(match active_completion_mode {
437 CompletionMode::Max => CompletionMode::Normal,
438 CompletionMode::Normal => CompletionMode::Max,
439 });
440 });
441 }))
442 .tooltip(Tooltip::text("Toggle Max Mode"))
443 .into_any_element(),
444 )
445 }
446
447 fn render_editor(
448 &self,
449 font_size: Rems,
450 line_height: Pixels,
451 window: &mut Window,
452 cx: &mut Context<Self>,
453 ) -> Div {
454 let thread = self.thread.read(cx);
455 let model = thread.configured_model();
456
457 let editor_bg_color = cx.theme().colors().editor_background;
458 let is_generating = thread.is_generating();
459 let focus_handle = self.editor.focus_handle(cx);
460
461 let is_model_selected = model.is_some();
462 let is_editor_empty = self.is_editor_empty(cx);
463
464 let incompatible_tools = model
465 .as_ref()
466 .map(|model| {
467 self.incompatible_tools_state.update(cx, |state, cx| {
468 state
469 .incompatible_tools(&model.model, cx)
470 .iter()
471 .cloned()
472 .collect::<Vec<_>>()
473 })
474 })
475 .unwrap_or_default();
476
477 let is_editor_expanded = self.editor_is_expanded;
478 let expand_icon = if is_editor_expanded {
479 IconName::Minimize
480 } else {
481 IconName::Maximize
482 };
483
484 v_flex()
485 .key_context("MessageEditor")
486 .on_action(cx.listener(Self::chat))
487 .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
488 this.profile_selector
489 .read(cx)
490 .menu_handle()
491 .toggle(window, cx);
492 }))
493 .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
494 this.model_selector
495 .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
496 }))
497 .on_action(cx.listener(Self::toggle_context_picker))
498 .on_action(cx.listener(Self::remove_all_context))
499 .on_action(cx.listener(Self::move_up))
500 .on_action(cx.listener(Self::expand_message_editor))
501 .capture_action(cx.listener(Self::paste))
502 .gap_2()
503 .p_2()
504 .bg(editor_bg_color)
505 .border_t_1()
506 .border_color(cx.theme().colors().border)
507 .child(
508 h_flex()
509 .items_start()
510 .justify_between()
511 .child(self.context_strip.clone())
512 .when(focus_handle.is_focused(window), |this| {
513 this.child(
514 IconButton::new("toggle-height", expand_icon)
515 .icon_size(IconSize::XSmall)
516 .icon_color(Color::Muted)
517 .tooltip({
518 let focus_handle = focus_handle.clone();
519 move |window, cx| {
520 let expand_label = if is_editor_expanded {
521 "Minimize Message Editor".to_string()
522 } else {
523 "Expand Message Editor".to_string()
524 };
525
526 Tooltip::for_action_in(
527 expand_label,
528 &ExpandMessageEditor,
529 &focus_handle,
530 window,
531 cx,
532 )
533 }
534 })
535 .on_click(cx.listener(|_, _, window, cx| {
536 window.dispatch_action(Box::new(ExpandMessageEditor), cx);
537 })),
538 )
539 }),
540 )
541 .child(
542 v_flex()
543 .size_full()
544 .gap_4()
545 .when(is_editor_expanded, |this| {
546 this.h(vh(0.8, window)).justify_between()
547 })
548 .child(
549 div()
550 .min_h_16()
551 .when(is_editor_expanded, |this| this.h_full())
552 .child({
553 let settings = ThemeSettings::get_global(cx);
554
555 let text_style = TextStyle {
556 color: cx.theme().colors().text,
557 font_family: settings.buffer_font.family.clone(),
558 font_fallbacks: settings.buffer_font.fallbacks.clone(),
559 font_features: settings.buffer_font.features.clone(),
560 font_size: font_size.into(),
561 line_height: line_height.into(),
562 ..Default::default()
563 };
564
565 EditorElement::new(
566 &self.editor,
567 EditorStyle {
568 background: editor_bg_color,
569 local_player: cx.theme().players().local(),
570 text: text_style,
571 syntax: cx.theme().syntax().clone(),
572 ..Default::default()
573 },
574 )
575 .into_any()
576 }),
577 )
578 .child(
579 h_flex()
580 .flex_none()
581 .justify_between()
582 .child(h_flex().gap_2().child(self.profile_selector.clone()))
583 .child(
584 h_flex()
585 .gap_1()
586 .when(!incompatible_tools.is_empty(), |this| {
587 this.child(
588 IconButton::new(
589 "tools-incompatible-warning",
590 IconName::Warning,
591 )
592 .icon_color(Color::Warning)
593 .icon_size(IconSize::Small)
594 .tooltip({
595 move |_, cx| {
596 cx.new(|_| IncompatibleToolsTooltip {
597 incompatible_tools: incompatible_tools
598 .clone(),
599 })
600 .into()
601 }
602 }),
603 )
604 })
605 .children(self.render_max_mode_toggle(cx))
606 .child(self.model_selector.clone())
607 .map({
608 let focus_handle = focus_handle.clone();
609 move |parent| {
610 if is_generating {
611 parent
612 .when(is_editor_empty, |parent| {
613 parent.child(
614 IconButton::new(
615 "stop-generation",
616 IconName::StopFilled,
617 )
618 .icon_color(Color::Error)
619 .style(ButtonStyle::Tinted(
620 ui::TintColor::Error,
621 ))
622 .tooltip(move |window, cx| {
623 Tooltip::for_action(
624 "Stop Generation",
625 &editor::actions::Cancel,
626 window,
627 cx,
628 )
629 })
630 .on_click({
631 let focus_handle =
632 focus_handle.clone();
633 move |_event, window, cx| {
634 focus_handle.dispatch_action(
635 &editor::actions::Cancel,
636 window,
637 cx,
638 );
639 }
640 })
641 .with_animation(
642 "pulsating-label",
643 Animation::new(
644 Duration::from_secs(2),
645 )
646 .repeat()
647 .with_easing(pulsating_between(
648 0.4, 1.0,
649 )),
650 |icon_button, delta| {
651 icon_button.alpha(delta)
652 },
653 ),
654 )
655 })
656 .when(!is_editor_empty, |parent| {
657 parent.child(
658 IconButton::new(
659 "send-message",
660 IconName::Send,
661 )
662 .icon_color(Color::Accent)
663 .style(ButtonStyle::Filled)
664 .disabled(!is_model_selected)
665 .on_click({
666 let focus_handle =
667 focus_handle.clone();
668 move |_event, window, cx| {
669 focus_handle.dispatch_action(
670 &Chat, window, cx,
671 );
672 }
673 })
674 .tooltip(move |window, cx| {
675 Tooltip::for_action(
676 "Stop and Send New Message",
677 &Chat,
678 window,
679 cx,
680 )
681 }),
682 )
683 })
684 } else {
685 parent.child(
686 IconButton::new("send-message", IconName::Send)
687 .icon_color(Color::Accent)
688 .style(ButtonStyle::Filled)
689 .disabled(
690 is_editor_empty || !is_model_selected,
691 )
692 .on_click({
693 let focus_handle = focus_handle.clone();
694 move |_event, window, cx| {
695 focus_handle.dispatch_action(
696 &Chat, window, cx,
697 );
698 }
699 })
700 .when(
701 !is_editor_empty && is_model_selected,
702 |button| {
703 button.tooltip(move |window, cx| {
704 Tooltip::for_action(
705 "Send", &Chat, window, cx,
706 )
707 })
708 },
709 )
710 .when(is_editor_empty, |button| {
711 button.tooltip(Tooltip::text(
712 "Type a message to submit",
713 ))
714 })
715 .when(!is_model_selected, |button| {
716 button.tooltip(Tooltip::text(
717 "Select a model to continue",
718 ))
719 }),
720 )
721 }
722 }
723 }),
724 ),
725 ),
726 )
727 }
728
729 fn render_changed_buffers(
730 &self,
731 changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
732 window: &mut Window,
733 cx: &mut Context<Self>,
734 ) -> Div {
735 let focus_handle = self.editor.focus_handle(cx);
736
737 let editor_bg_color = cx.theme().colors().editor_background;
738 let border_color = cx.theme().colors().border;
739 let active_color = cx.theme().colors().element_selected;
740 let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
741
742 let is_edit_changes_expanded = self.edits_expanded;
743 let is_generating = self.thread.read(cx).is_generating();
744
745 v_flex()
746 .mt_1()
747 .mx_2()
748 .bg(bg_edit_files_disclosure)
749 .border_1()
750 .border_b_0()
751 .border_color(border_color)
752 .rounded_t_md()
753 .shadow(smallvec::smallvec![gpui::BoxShadow {
754 color: gpui::black().opacity(0.15),
755 offset: point(px(1.), px(-1.)),
756 blur_radius: px(3.),
757 spread_radius: px(0.),
758 }])
759 .child(
760 h_flex()
761 .id("edits-container")
762 .cursor_pointer()
763 .p_1p5()
764 .justify_between()
765 .when(is_edit_changes_expanded, |this| {
766 this.border_b_1().border_color(border_color)
767 })
768 .on_click(
769 cx.listener(|this, _, window, cx| this.handle_review_click(window, cx)),
770 )
771 .child(
772 h_flex()
773 .gap_1()
774 .child(
775 Disclosure::new("edits-disclosure", is_edit_changes_expanded)
776 .on_click(cx.listener(|this, _ev, _window, cx| {
777 this.edits_expanded = !this.edits_expanded;
778 cx.notify();
779 })),
780 )
781 .map(|this| {
782 if is_generating {
783 this.child(
784 AnimatedLabel::new(format!(
785 "Editing {} {}",
786 changed_buffers.len(),
787 if changed_buffers.len() == 1 {
788 "file"
789 } else {
790 "files"
791 }
792 ))
793 .size(LabelSize::Small),
794 )
795 } else {
796 this.child(
797 Label::new("Edits")
798 .size(LabelSize::Small)
799 .color(Color::Muted),
800 )
801 .child(
802 Label::new("•").size(LabelSize::XSmall).color(Color::Muted),
803 )
804 .child(
805 Label::new(format!(
806 "{} {}",
807 changed_buffers.len(),
808 if changed_buffers.len() == 1 {
809 "file"
810 } else {
811 "files"
812 }
813 ))
814 .size(LabelSize::Small)
815 .color(Color::Muted),
816 )
817 }
818 }),
819 )
820 .child(
821 Button::new("review", "Review Changes")
822 .label_size(LabelSize::Small)
823 .key_binding(
824 KeyBinding::for_action_in(
825 &OpenAgentDiff,
826 &focus_handle,
827 window,
828 cx,
829 )
830 .map(|kb| kb.size(rems_from_px(12.))),
831 )
832 .on_click(cx.listener(|this, _, window, cx| {
833 this.handle_review_click(window, cx)
834 })),
835 ),
836 )
837 .when(is_edit_changes_expanded, |parent| {
838 parent.child(
839 v_flex().children(changed_buffers.into_iter().enumerate().flat_map(
840 |(index, (buffer, _diff))| {
841 let file = buffer.read(cx).file()?;
842 let path = file.path();
843
844 let parent_label = path.parent().and_then(|parent| {
845 let parent_str = parent.to_string_lossy();
846
847 if parent_str.is_empty() {
848 None
849 } else {
850 Some(
851 Label::new(format!(
852 "/{}{}",
853 parent_str,
854 std::path::MAIN_SEPARATOR_STR
855 ))
856 .color(Color::Muted)
857 .size(LabelSize::XSmall)
858 .buffer_font(cx),
859 )
860 }
861 });
862
863 let name_label = path.file_name().map(|name| {
864 Label::new(name.to_string_lossy().to_string())
865 .size(LabelSize::XSmall)
866 .buffer_font(cx)
867 });
868
869 let file_icon = FileIcons::get_icon(&path, cx)
870 .map(Icon::from_path)
871 .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
872 .unwrap_or_else(|| {
873 Icon::new(IconName::File)
874 .color(Color::Muted)
875 .size(IconSize::Small)
876 });
877
878 let hover_color = cx
879 .theme()
880 .colors()
881 .element_background
882 .blend(cx.theme().colors().editor_foreground.opacity(0.025));
883
884 let overlay_gradient = linear_gradient(
885 90.,
886 linear_color_stop(editor_bg_color, 1.),
887 linear_color_stop(editor_bg_color.opacity(0.2), 0.),
888 );
889
890 let overlay_gradient_hover = linear_gradient(
891 90.,
892 linear_color_stop(hover_color, 1.),
893 linear_color_stop(hover_color.opacity(0.2), 0.),
894 );
895
896 let element = h_flex()
897 .group("edited-code")
898 .id(("file-container", index))
899 .cursor_pointer()
900 .relative()
901 .py_1()
902 .pl_2()
903 .pr_1()
904 .gap_2()
905 .justify_between()
906 .bg(cx.theme().colors().editor_background)
907 .hover(|style| style.bg(hover_color))
908 .when(index < changed_buffers.len() - 1, |parent| {
909 parent.border_color(border_color).border_b_1()
910 })
911 .child(
912 h_flex()
913 .id("file-name")
914 .pr_8()
915 .gap_1p5()
916 .max_w_full()
917 .overflow_x_scroll()
918 .child(file_icon)
919 .child(
920 h_flex()
921 .gap_0p5()
922 .children(name_label)
923 .children(parent_label),
924 ), // TODO: Implement line diff
925 // .child(Label::new("+").color(Color::Created))
926 // .child(Label::new("-").color(Color::Deleted)),
927 )
928 .child(
929 div().visible_on_hover("edited-code").child(
930 Button::new("review", "Review")
931 .label_size(LabelSize::Small)
932 .on_click({
933 let buffer = buffer.clone();
934 cx.listener(move |this, _, window, cx| {
935 this.handle_file_click(
936 buffer.clone(),
937 window,
938 cx,
939 );
940 })
941 }),
942 ),
943 )
944 .child(
945 div()
946 .id("gradient-overlay")
947 .absolute()
948 .h_5_6()
949 .w_12()
950 .bottom_0()
951 .right(px(52.))
952 .bg(overlay_gradient)
953 .group_hover("edited-code", |style| {
954 style.bg(overlay_gradient_hover)
955 }),
956 )
957 .on_click({
958 let buffer = buffer.clone();
959 cx.listener(move |this, _, window, cx| {
960 this.handle_file_click(buffer.clone(), window, cx);
961 })
962 });
963
964 Some(element)
965 },
966 )),
967 )
968 })
969 }
970
971 fn render_token_limit_callout(
972 &self,
973 line_height: Pixels,
974 token_usage_ratio: TokenUsageRatio,
975 cx: &mut Context<Self>,
976 ) -> Div {
977 let heading = if token_usage_ratio == TokenUsageRatio::Exceeded {
978 "Thread reached the token limit"
979 } else {
980 "Thread reaching the token limit soon"
981 };
982
983 h_flex()
984 .p_2()
985 .gap_2()
986 .flex_wrap()
987 .justify_between()
988 .bg(
989 if token_usage_ratio == TokenUsageRatio::Exceeded {
990 cx.theme().status().error_background.opacity(0.1)
991 } else {
992 cx.theme().status().warning_background.opacity(0.1)
993 })
994 .border_t_1()
995 .border_color(cx.theme().colors().border)
996 .child(
997 h_flex()
998 .gap_2()
999 .items_start()
1000 .child(
1001 h_flex()
1002 .h(line_height)
1003 .justify_center()
1004 .child(
1005 if token_usage_ratio == TokenUsageRatio::Exceeded {
1006 Icon::new(IconName::X)
1007 .color(Color::Error)
1008 .size(IconSize::XSmall)
1009 } else {
1010 Icon::new(IconName::Warning)
1011 .color(Color::Warning)
1012 .size(IconSize::XSmall)
1013 }
1014 ),
1015 )
1016 .child(
1017 v_flex()
1018 .mr_auto()
1019 .child(Label::new(heading).size(LabelSize::Small))
1020 .child(
1021 Label::new(
1022 "Start a new thread from a summary to continue the conversation.",
1023 )
1024 .size(LabelSize::Small)
1025 .color(Color::Muted),
1026 ),
1027 ),
1028 )
1029 .child(
1030 Button::new("new-thread", "Start New Thread")
1031 .on_click(cx.listener(|this, _, window, cx| {
1032 let from_thread_id = Some(this.thread.read(cx).id().clone());
1033
1034 window.dispatch_action(Box::new(NewThread {
1035 from_thread_id
1036 }), cx);
1037 }))
1038 .icon(IconName::Plus)
1039 .icon_position(IconPosition::Start)
1040 .icon_size(IconSize::Small)
1041 .style(ButtonStyle::Tinted(ui::TintColor::Accent))
1042 .label_size(LabelSize::Small),
1043 )
1044 }
1045
1046 pub fn last_estimated_token_count(&self) -> Option<usize> {
1047 self.last_estimated_token_count
1048 }
1049
1050 pub fn is_waiting_to_update_token_count(&self) -> bool {
1051 self.update_token_count_task.is_some()
1052 }
1053
1054 fn reload_context(&mut self, cx: &mut Context<Self>) -> Task<Option<ContextLoadResult>> {
1055 let load_task = cx.spawn(async move |this, cx| {
1056 let Ok(load_task) = this.update(cx, |this, cx| {
1057 let new_context = this.context_store.read_with(cx, |context_store, cx| {
1058 context_store.new_context_for_thread(this.thread.read(cx), None)
1059 });
1060 load_context(new_context, &this.project, &this.prompt_store, cx)
1061 }) else {
1062 return;
1063 };
1064 let result = load_task.await;
1065 this.update(cx, |this, cx| {
1066 this.last_loaded_context = Some(result);
1067 this.load_context_task = None;
1068 this.message_or_context_changed(false, cx);
1069 })
1070 .ok();
1071 });
1072 // Replace existing load task, if any, causing it to be cancelled.
1073 let load_task = load_task.shared();
1074 self.load_context_task = Some(load_task.clone());
1075 cx.spawn(async move |this, cx| {
1076 load_task.await;
1077 this.read_with(cx, |this, _cx| this.last_loaded_context.clone())
1078 .ok()
1079 .flatten()
1080 })
1081 }
1082
1083 fn handle_message_changed(&mut self, cx: &mut Context<Self>) {
1084 self.message_or_context_changed(true, cx);
1085 }
1086
1087 fn message_or_context_changed(&mut self, debounce: bool, cx: &mut Context<Self>) {
1088 cx.emit(MessageEditorEvent::Changed);
1089 self.update_token_count_task.take();
1090
1091 let Some(model) = self.thread.read(cx).configured_model() else {
1092 self.last_estimated_token_count.take();
1093 return;
1094 };
1095
1096 let editor = self.editor.clone();
1097
1098 self.update_token_count_task = Some(cx.spawn(async move |this, cx| {
1099 if debounce {
1100 cx.background_executor()
1101 .timer(Duration::from_millis(200))
1102 .await;
1103 }
1104
1105 let token_count = if let Some(task) = this
1106 .update(cx, |this, cx| {
1107 let loaded_context = this
1108 .last_loaded_context
1109 .as_ref()
1110 .map(|context_load_result| &context_load_result.loaded_context);
1111 let message_text = editor.read(cx).text(cx);
1112
1113 if message_text.is_empty()
1114 && loaded_context.map_or(true, |loaded_context| loaded_context.is_empty())
1115 {
1116 return None;
1117 }
1118
1119 let mut request_message = LanguageModelRequestMessage {
1120 role: language_model::Role::User,
1121 content: Vec::new(),
1122 cache: false,
1123 };
1124
1125 if let Some(loaded_context) = loaded_context {
1126 loaded_context.add_to_request_message(&mut request_message);
1127 }
1128
1129 if !message_text.is_empty() {
1130 request_message
1131 .content
1132 .push(MessageContent::Text(message_text));
1133 }
1134
1135 let request = language_model::LanguageModelRequest {
1136 thread_id: None,
1137 prompt_id: None,
1138 mode: None,
1139 messages: vec![request_message],
1140 tools: vec![],
1141 stop: vec![],
1142 temperature: None,
1143 };
1144
1145 Some(model.model.count_tokens(request, cx))
1146 })
1147 .ok()
1148 .flatten()
1149 {
1150 task.await.log_err()
1151 } else {
1152 Some(0)
1153 };
1154
1155 this.update(cx, |this, cx| {
1156 if let Some(token_count) = token_count {
1157 this.last_estimated_token_count = Some(token_count);
1158 cx.emit(MessageEditorEvent::EstimatedTokenCount);
1159 }
1160 this.update_token_count_task.take();
1161 })
1162 .ok();
1163 }));
1164 }
1165}
1166
1167impl EventEmitter<MessageEditorEvent> for MessageEditor {}
1168
1169pub enum MessageEditorEvent {
1170 EstimatedTokenCount,
1171 Changed,
1172}
1173
1174impl Focusable for MessageEditor {
1175 fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
1176 self.editor.focus_handle(cx)
1177 }
1178}
1179
1180impl Render for MessageEditor {
1181 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1182 let thread = self.thread.read(cx);
1183 let token_usage_ratio = thread
1184 .total_token_usage()
1185 .map_or(TokenUsageRatio::Normal, |total_token_usage| {
1186 total_token_usage.ratio()
1187 });
1188
1189 let action_log = self.thread.read(cx).action_log();
1190 let changed_buffers = action_log.read(cx).changed_buffers(cx);
1191
1192 let font_size = TextSize::Small.rems(cx);
1193 let line_height = font_size.to_pixels(window.rem_size()) * 1.5;
1194
1195 v_flex()
1196 .size_full()
1197 .when(changed_buffers.len() > 0, |parent| {
1198 parent.child(self.render_changed_buffers(&changed_buffers, window, cx))
1199 })
1200 .child(self.render_editor(font_size, line_height, window, cx))
1201 .when(token_usage_ratio != TokenUsageRatio::Normal, |parent| {
1202 parent.child(self.render_token_limit_callout(line_height, token_usage_ratio, cx))
1203 })
1204 }
1205}
1206
1207impl Component for MessageEditor {
1208 fn scope() -> ComponentScope {
1209 ComponentScope::Agent
1210 }
1211}
1212
1213impl AgentPreview for MessageEditor {
1214 fn agent_preview(
1215 workspace: WeakEntity<Workspace>,
1216 active_thread: Entity<ActiveThread>,
1217 thread_store: WeakEntity<ThreadStore>,
1218 window: &mut Window,
1219 cx: &mut App,
1220 ) -> Option<AnyElement> {
1221 if let Some(workspace_entity) = workspace.upgrade() {
1222 let fs = workspace_entity.read(cx).app_state().fs.clone();
1223 let weak_project = workspace_entity.read(cx).project().clone().downgrade();
1224 let context_store = cx.new(|_cx| ContextStore::new(weak_project, None));
1225 let thread = active_thread.read(cx).thread().clone();
1226
1227 let example_message_editor = cx.new(|cx| {
1228 MessageEditor::new(
1229 fs,
1230 workspace,
1231 context_store,
1232 None,
1233 thread_store,
1234 thread,
1235 window,
1236 cx,
1237 )
1238 });
1239
1240 Some(
1241 v_flex()
1242 .gap_4()
1243 .children(vec![single_example(
1244 "Default",
1245 example_message_editor.clone().into_any_element(),
1246 )])
1247 .into_any_element(),
1248 )
1249 } else {
1250 None
1251 }
1252 }
1253}
1254
1255register_agent_preview!(MessageEditor);