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