ZIm/crates/agent/src/message_editor.rs
2025-04-29 21:55:54 +00:00

1191 lines
51 KiB
Rust

use std::collections::BTreeMap;
use std::sync::Arc;
use crate::assistant_model_selector::{AssistantModelSelector, ModelType};
use crate::context::{ContextLoadResult, load_context};
use crate::tool_compatibility::{IncompatibleToolsState, IncompatibleToolsTooltip};
use crate::ui::AnimatedLabel;
use buffer_diff::BufferDiff;
use collections::HashSet;
use editor::actions::{MoveUp, Paste};
use editor::{
ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement, EditorEvent, EditorMode,
EditorStyle, MultiBuffer,
};
use feature_flags::{FeatureFlagAppExt, NewBillingFeatureFlag};
use file_icons::FileIcons;
use fs::Fs;
use futures::future::Shared;
use futures::{FutureExt as _, future};
use gpui::{
Animation, AnimationExt, App, ClipboardEntry, Entity, EventEmitter, Focusable, Subscription,
Task, TextStyle, WeakEntity, linear_color_stop, linear_gradient, point, pulsating_between,
};
use language::{Buffer, Language};
use language_model::{ConfiguredModel, LanguageModelRequestMessage, MessageContent};
use language_model_selector::ToggleModelSelector;
use multi_buffer;
use project::Project;
use prompt_store::PromptStore;
use settings::Settings;
use std::time::Duration;
use theme::ThemeSettings;
use ui::{Disclosure, KeyBinding, PopoverMenuHandle, Tooltip, prelude::*};
use util::ResultExt as _;
use workspace::Workspace;
use zed_llm_client::CompletionMode;
use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider};
use crate::context_store::ContextStore;
use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
use crate::profile_selector::ProfileSelector;
use crate::thread::{Thread, TokenUsageRatio};
use crate::thread_store::ThreadStore;
use crate::{
AgentDiff, Chat, ChatMode, ExpandMessageEditor, NewThread, OpenAgentDiff, RemoveAllContext,
ToggleContextPicker, ToggleProfileSelector,
};
pub struct MessageEditor {
thread: Entity<Thread>,
incompatible_tools_state: Entity<IncompatibleToolsState>,
editor: Entity<Editor>,
workspace: WeakEntity<Workspace>,
project: Entity<Project>,
context_store: Entity<ContextStore>,
prompt_store: Option<Entity<PromptStore>>,
context_strip: Entity<ContextStrip>,
context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
model_selector: Entity<AssistantModelSelector>,
last_loaded_context: Option<ContextLoadResult>,
load_context_task: Option<Shared<Task<()>>>,
profile_selector: Entity<ProfileSelector>,
edits_expanded: bool,
editor_is_expanded: bool,
last_estimated_token_count: Option<usize>,
update_token_count_task: Option<Task<()>>,
_subscriptions: Vec<Subscription>,
}
const MAX_EDITOR_LINES: usize = 8;
impl MessageEditor {
pub fn new(
fs: Arc<dyn Fs>,
workspace: WeakEntity<Workspace>,
context_store: Entity<ContextStore>,
prompt_store: Option<Entity<PromptStore>>,
thread_store: WeakEntity<ThreadStore>,
thread: Entity<Thread>,
window: &mut Window,
cx: &mut Context<Self>,
) -> Self {
let context_picker_menu_handle = PopoverMenuHandle::default();
let model_selector_menu_handle = PopoverMenuHandle::default();
let language = Language::new(
language::LanguageConfig {
completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
..Default::default()
},
None,
);
let editor = cx.new(|cx| {
let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
let mut editor = Editor::new(
editor::EditorMode::AutoHeight {
max_lines: MAX_EDITOR_LINES,
},
buffer,
None,
window,
cx,
);
editor.set_placeholder_text("Ask anything, @ to mention, ↑ to select", cx);
editor.set_show_indent_guides(false, cx);
editor.set_soft_wrap();
editor.set_context_menu_options(ContextMenuOptions {
min_entries_visible: 12,
max_entries_visible: 12,
placement: Some(ContextMenuPlacement::Above),
});
editor
});
let editor_entity = editor.downgrade();
editor.update(cx, |editor, _| {
editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
workspace.clone(),
context_store.downgrade(),
Some(thread_store.clone()),
editor_entity,
))));
});
let context_strip = cx.new(|cx| {
ContextStrip::new(
context_store.clone(),
workspace.clone(),
Some(thread_store.clone()),
context_picker_menu_handle.clone(),
SuggestContextKind::File,
window,
cx,
)
});
let incompatible_tools =
cx.new(|cx| IncompatibleToolsState::new(thread.read(cx).tools().clone(), cx));
let subscriptions = vec![
cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event),
cx.subscribe(&editor, |this, _, event, cx| match event {
EditorEvent::BufferEdited => this.handle_message_changed(cx),
_ => {}
}),
cx.observe(&context_store, |this, _, cx| {
// When context changes, reload it for token counting.
let _ = this.reload_context(cx);
}),
];
let model_selector = cx.new(|cx| {
AssistantModelSelector::new(
fs.clone(),
model_selector_menu_handle,
editor.focus_handle(cx),
ModelType::Default(thread.clone()),
window,
cx,
)
});
Self {
editor: editor.clone(),
project: thread.read(cx).project().clone(),
thread,
incompatible_tools_state: incompatible_tools.clone(),
workspace,
context_store,
prompt_store,
context_strip,
context_picker_menu_handle,
load_context_task: None,
last_loaded_context: None,
model_selector,
edits_expanded: false,
editor_is_expanded: false,
profile_selector: cx
.new(|cx| ProfileSelector::new(fs, thread_store, editor.focus_handle(cx), cx)),
last_estimated_token_count: None,
update_token_count_task: None,
_subscriptions: subscriptions,
}
}
pub fn context_store(&self) -> &Entity<ContextStore> {
&self.context_store
}
fn toggle_chat_mode(&mut self, _: &ChatMode, _window: &mut Window, cx: &mut Context<Self>) {
cx.notify();
}
pub fn expand_message_editor(
&mut self,
_: &ExpandMessageEditor,
_window: &mut Window,
cx: &mut Context<Self>,
) {
self.set_editor_is_expanded(!self.editor_is_expanded, cx);
}
fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
self.editor_is_expanded = is_expanded;
self.editor.update(cx, |editor, _| {
if self.editor_is_expanded {
editor.set_mode(EditorMode::Full {
scale_ui_elements_with_buffer_font_size: false,
show_active_line_background: false,
sized_by_content: false,
})
} else {
editor.set_mode(EditorMode::AutoHeight {
max_lines: MAX_EDITOR_LINES,
})
}
});
cx.notify();
}
fn toggle_context_picker(
&mut self,
_: &ToggleContextPicker,
window: &mut Window,
cx: &mut Context<Self>,
) {
self.context_picker_menu_handle.toggle(window, cx);
}
pub fn remove_all_context(
&mut self,
_: &RemoveAllContext,
_window: &mut Window,
cx: &mut Context<Self>,
) {
self.context_store.update(cx, |store, _cx| store.clear());
cx.notify();
}
fn chat(&mut self, _: &Chat, window: &mut Window, cx: &mut Context<Self>) {
if self.is_editor_empty(cx) {
return;
}
self.thread.update(cx, |thread, cx| {
thread.cancel_editing(cx);
});
if self.thread.read(cx).is_generating() {
self.stop_current_and_send_new_message(window, cx);
return;
}
self.set_editor_is_expanded(false, cx);
self.send_to_model(window, cx);
cx.notify();
}
fn is_editor_empty(&self, cx: &App) -> bool {
self.editor.read(cx).text(cx).trim().is_empty()
}
fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
let Some(ConfiguredModel { model, provider }) = self
.thread
.update(cx, |thread, cx| thread.get_or_init_configured_model(cx))
else {
return;
};
if provider.must_accept_terms(cx) {
cx.notify();
return;
}
let user_message = self.editor.update(cx, |editor, cx| {
let text = editor.text(cx);
editor.clear(window, cx);
text
});
self.last_estimated_token_count.take();
cx.emit(MessageEditorEvent::EstimatedTokenCount);
let thread = self.thread.clone();
let git_store = self.project.read(cx).git_store().clone();
let checkpoint = git_store.update(cx, |git_store, cx| git_store.checkpoint(cx));
let context_task = self.reload_context(cx);
let window_handle = window.window_handle();
cx.spawn(async move |_this, cx| {
let (checkpoint, loaded_context) = future::join(checkpoint, context_task).await;
let loaded_context = loaded_context.unwrap_or_default();
thread
.update(cx, |thread, cx| {
thread.insert_user_message(user_message, loaded_context, checkpoint.ok(), cx);
})
.log_err();
thread
.update(cx, |thread, cx| {
thread.advance_prompt_id();
thread.send_to_model(model, Some(window_handle), cx);
})
.log_err();
})
.detach();
}
fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
self.thread.update(cx, |thread, cx| {
thread.cancel_editing(cx);
});
let cancelled = self.thread.update(cx, |thread, cx| {
thread.cancel_last_completion(Some(window.window_handle()), cx)
});
if cancelled {
self.set_editor_is_expanded(false, cx);
self.send_to_model(window, cx);
}
}
fn handle_context_strip_event(
&mut self,
_context_strip: &Entity<ContextStrip>,
event: &ContextStripEvent,
window: &mut Window,
cx: &mut Context<Self>,
) {
match event {
ContextStripEvent::PickerDismissed
| ContextStripEvent::BlurredEmpty
| ContextStripEvent::BlurredDown => {
let editor_focus_handle = self.editor.focus_handle(cx);
window.focus(&editor_focus_handle);
}
ContextStripEvent::BlurredUp => {}
}
}
fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
if self.context_picker_menu_handle.is_deployed() {
cx.propagate();
} else {
self.context_strip.focus_handle(cx).focus(window);
}
}
fn paste(&mut self, _: &Paste, _: &mut Window, cx: &mut Context<Self>) {
let images = cx
.read_from_clipboard()
.map(|item| {
item.into_entries()
.filter_map(|entry| {
if let ClipboardEntry::Image(image) = entry {
Some(image)
} else {
None
}
})
.collect::<Vec<_>>()
})
.unwrap_or_default();
if images.is_empty() {
return;
}
cx.stop_propagation();
self.context_store.update(cx, |store, cx| {
for image in images {
store.add_image_instance(Arc::new(image), cx);
}
});
}
fn handle_review_click(&mut self, window: &mut Window, cx: &mut Context<Self>) {
self.edits_expanded = true;
AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx).log_err();
cx.notify();
}
fn handle_file_click(
&self,
buffer: Entity<Buffer>,
window: &mut Window,
cx: &mut Context<Self>,
) {
if let Ok(diff) = AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx)
{
let path_key = multi_buffer::PathKey::for_buffer(&buffer, cx);
diff.update(cx, |diff, cx| diff.move_to_path(path_key, window, cx));
}
}
fn render_max_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
if !cx.has_flag::<NewBillingFeatureFlag>() {
return None;
}
let thread = self.thread.read(cx);
let model = thread.configured_model();
if !model?.model.supports_max_mode() {
return None;
}
let active_completion_mode = thread.completion_mode();
Some(
IconButton::new("max-mode", IconName::ZedMaxMode)
.icon_size(IconSize::Small)
.toggle_state(active_completion_mode == Some(CompletionMode::Max))
.on_click(cx.listener(move |this, _event, _window, cx| {
this.thread.update(cx, |thread, _cx| {
thread.set_completion_mode(match active_completion_mode {
Some(CompletionMode::Max) => Some(CompletionMode::Normal),
Some(CompletionMode::Normal) | None => Some(CompletionMode::Max),
});
});
}))
.tooltip(Tooltip::text("Toggle Max Mode"))
.into_any_element(),
)
}
fn render_editor(
&self,
font_size: Rems,
line_height: Pixels,
window: &mut Window,
cx: &mut Context<Self>,
) -> Div {
let thread = self.thread.read(cx);
let model = thread.configured_model();
let editor_bg_color = cx.theme().colors().editor_background;
let is_generating = thread.is_generating();
let focus_handle = self.editor.focus_handle(cx);
let is_model_selected = model.is_some();
let is_editor_empty = self.is_editor_empty(cx);
let incompatible_tools = model
.as_ref()
.map(|model| {
self.incompatible_tools_state.update(cx, |state, cx| {
state
.incompatible_tools(&model.model, cx)
.iter()
.cloned()
.collect::<Vec<_>>()
})
})
.unwrap_or_default();
let is_editor_expanded = self.editor_is_expanded;
let expand_icon = if is_editor_expanded {
IconName::Minimize
} else {
IconName::Maximize
};
v_flex()
.key_context("MessageEditor")
.on_action(cx.listener(Self::chat))
.on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
this.profile_selector
.read(cx)
.menu_handle()
.toggle(window, cx);
}))
.on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
this.model_selector
.update(cx, |model_selector, cx| model_selector.toggle(window, cx));
}))
.on_action(cx.listener(Self::toggle_context_picker))
.on_action(cx.listener(Self::remove_all_context))
.on_action(cx.listener(Self::move_up))
.on_action(cx.listener(Self::toggle_chat_mode))
.on_action(cx.listener(Self::expand_message_editor))
.capture_action(cx.listener(Self::paste))
.gap_2()
.p_2()
.bg(editor_bg_color)
.border_t_1()
.border_color(cx.theme().colors().border)
.child(
h_flex()
.items_start()
.justify_between()
.child(self.context_strip.clone())
.when(focus_handle.is_focused(window), |this| {
this.child(
IconButton::new("toggle-height", expand_icon)
.icon_size(IconSize::XSmall)
.icon_color(Color::Muted)
.tooltip({
let focus_handle = focus_handle.clone();
move |window, cx| {
let expand_label = if is_editor_expanded {
"Minimize Message Editor".to_string()
} else {
"Expand Message Editor".to_string()
};
Tooltip::for_action_in(
expand_label,
&ExpandMessageEditor,
&focus_handle,
window,
cx,
)
}
})
.on_click(cx.listener(|_, _, window, cx| {
window.dispatch_action(Box::new(ExpandMessageEditor), cx);
})),
)
}),
)
.child(
v_flex()
.size_full()
.gap_4()
.when(is_editor_expanded, |this| {
this.h(vh(0.8, window)).justify_between()
})
.child(
div()
.min_h_16()
.when(is_editor_expanded, |this| this.h_full())
.child({
let settings = ThemeSettings::get_global(cx);
let text_style = TextStyle {
color: cx.theme().colors().text,
font_family: settings.buffer_font.family.clone(),
font_fallbacks: settings.buffer_font.fallbacks.clone(),
font_features: settings.buffer_font.features.clone(),
font_size: font_size.into(),
line_height: line_height.into(),
..Default::default()
};
EditorElement::new(
&self.editor,
EditorStyle {
background: editor_bg_color,
local_player: cx.theme().players().local(),
text: text_style,
syntax: cx.theme().syntax().clone(),
..Default::default()
},
)
.into_any()
}),
)
.child(
h_flex()
.flex_none()
.justify_between()
.child(h_flex().gap_2().child(self.profile_selector.clone()))
.child(
h_flex()
.gap_1()
.when(!incompatible_tools.is_empty(), |this| {
this.child(
IconButton::new(
"tools-incompatible-warning",
IconName::Warning,
)
.icon_color(Color::Warning)
.icon_size(IconSize::Small)
.tooltip({
move |_, cx| {
cx.new(|_| IncompatibleToolsTooltip {
incompatible_tools: incompatible_tools
.clone(),
})
.into()
}
}),
)
})
.children(self.render_max_mode_toggle(cx))
.child(self.model_selector.clone())
.map({
let focus_handle = focus_handle.clone();
move |parent| {
if is_generating {
parent
.when(is_editor_empty, |parent| {
parent.child(
IconButton::new(
"stop-generation",
IconName::StopFilled,
)
.icon_color(Color::Error)
.style(ButtonStyle::Tinted(
ui::TintColor::Error,
))
.tooltip(move |window, cx| {
Tooltip::for_action(
"Stop Generation",
&editor::actions::Cancel,
window,
cx,
)
})
.on_click({
let focus_handle =
focus_handle.clone();
move |_event, window, cx| {
focus_handle.dispatch_action(
&editor::actions::Cancel,
window,
cx,
);
}
})
.with_animation(
"pulsating-label",
Animation::new(
Duration::from_secs(2),
)
.repeat()
.with_easing(pulsating_between(
0.4, 1.0,
)),
|icon_button, delta| {
icon_button.alpha(delta)
},
),
)
})
.when(!is_editor_empty, |parent| {
parent.child(
IconButton::new(
"send-message",
IconName::Send,
)
.icon_color(Color::Accent)
.style(ButtonStyle::Filled)
.disabled(!is_model_selected)
.on_click({
let focus_handle =
focus_handle.clone();
move |_event, window, cx| {
focus_handle.dispatch_action(
&Chat, window, cx,
);
}
})
.tooltip(move |window, cx| {
Tooltip::for_action(
"Stop and Send New Message",
&Chat,
window,
cx,
)
}),
)
})
} else {
parent.child(
IconButton::new("send-message", IconName::Send)
.icon_color(Color::Accent)
.style(ButtonStyle::Filled)
.disabled(
is_editor_empty || !is_model_selected,
)
.on_click({
let focus_handle = focus_handle.clone();
move |_event, window, cx| {
focus_handle.dispatch_action(
&Chat, window, cx,
);
}
})
.when(
!is_editor_empty && is_model_selected,
|button| {
button.tooltip(move |window, cx| {
Tooltip::for_action(
"Send", &Chat, window, cx,
)
})
},
)
.when(is_editor_empty, |button| {
button.tooltip(Tooltip::text(
"Type a message to submit",
))
})
.when(!is_model_selected, |button| {
button.tooltip(Tooltip::text(
"Select a model to continue",
))
}),
)
}
}
}),
),
),
)
}
fn render_changed_buffers(
&self,
changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
window: &mut Window,
cx: &mut Context<Self>,
) -> Div {
let focus_handle = self.editor.focus_handle(cx);
let editor_bg_color = cx.theme().colors().editor_background;
let border_color = cx.theme().colors().border;
let active_color = cx.theme().colors().element_selected;
let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
let is_edit_changes_expanded = self.edits_expanded;
let is_generating = self.thread.read(cx).is_generating();
v_flex()
.mt_1()
.mx_2()
.bg(bg_edit_files_disclosure)
.border_1()
.border_b_0()
.border_color(border_color)
.rounded_t_md()
.shadow(smallvec::smallvec![gpui::BoxShadow {
color: gpui::black().opacity(0.15),
offset: point(px(1.), px(-1.)),
blur_radius: px(3.),
spread_radius: px(0.),
}])
.child(
h_flex()
.id("edits-container")
.cursor_pointer()
.p_1p5()
.justify_between()
.when(is_edit_changes_expanded, |this| {
this.border_b_1().border_color(border_color)
})
.on_click(
cx.listener(|this, _, window, cx| this.handle_review_click(window, cx)),
)
.child(
h_flex()
.gap_1()
.child(
Disclosure::new("edits-disclosure", is_edit_changes_expanded)
.on_click(cx.listener(|this, _ev, _window, cx| {
this.edits_expanded = !this.edits_expanded;
cx.notify();
})),
)
.map(|this| {
if is_generating {
this.child(
AnimatedLabel::new(format!(
"Editing {} {}",
changed_buffers.len(),
if changed_buffers.len() == 1 {
"file"
} else {
"files"
}
))
.size(LabelSize::Small),
)
} else {
this.child(
Label::new("Edits")
.size(LabelSize::Small)
.color(Color::Muted),
)
.child(
Label::new("").size(LabelSize::XSmall).color(Color::Muted),
)
.child(
Label::new(format!(
"{} {}",
changed_buffers.len(),
if changed_buffers.len() == 1 {
"file"
} else {
"files"
}
))
.size(LabelSize::Small)
.color(Color::Muted),
)
}
}),
)
.child(
Button::new("review", "Review Changes")
.label_size(LabelSize::Small)
.key_binding(
KeyBinding::for_action_in(
&OpenAgentDiff,
&focus_handle,
window,
cx,
)
.map(|kb| kb.size(rems_from_px(12.))),
)
.on_click(cx.listener(|this, _, window, cx| {
this.handle_review_click(window, cx)
})),
),
)
.when(is_edit_changes_expanded, |parent| {
parent.child(
v_flex().children(changed_buffers.into_iter().enumerate().flat_map(
|(index, (buffer, _diff))| {
let file = buffer.read(cx).file()?;
let path = file.path();
let parent_label = path.parent().and_then(|parent| {
let parent_str = parent.to_string_lossy();
if parent_str.is_empty() {
None
} else {
Some(
Label::new(format!(
"/{}{}",
parent_str,
std::path::MAIN_SEPARATOR_STR
))
.color(Color::Muted)
.size(LabelSize::XSmall)
.buffer_font(cx),
)
}
});
let name_label = path.file_name().map(|name| {
Label::new(name.to_string_lossy().to_string())
.size(LabelSize::XSmall)
.buffer_font(cx)
});
let file_icon = FileIcons::get_icon(&path, cx)
.map(Icon::from_path)
.map(|icon| icon.color(Color::Muted).size(IconSize::Small))
.unwrap_or_else(|| {
Icon::new(IconName::File)
.color(Color::Muted)
.size(IconSize::Small)
});
let hover_color = cx
.theme()
.colors()
.element_background
.blend(cx.theme().colors().editor_foreground.opacity(0.025));
let overlay_gradient = linear_gradient(
90.,
linear_color_stop(editor_bg_color, 1.),
linear_color_stop(editor_bg_color.opacity(0.2), 0.),
);
let overlay_gradient_hover = linear_gradient(
90.,
linear_color_stop(hover_color, 1.),
linear_color_stop(hover_color.opacity(0.2), 0.),
);
let element = h_flex()
.group("edited-code")
.id(("file-container", index))
.cursor_pointer()
.relative()
.py_1()
.pl_2()
.pr_1()
.gap_2()
.justify_between()
.bg(cx.theme().colors().editor_background)
.hover(|style| style.bg(hover_color))
.when(index < changed_buffers.len() - 1, |parent| {
parent.border_color(border_color).border_b_1()
})
.child(
h_flex()
.id("file-name")
.pr_8()
.gap_1p5()
.max_w_full()
.overflow_x_scroll()
.child(file_icon)
.child(
h_flex()
.gap_0p5()
.children(name_label)
.children(parent_label),
), // TODO: Implement line diff
// .child(Label::new("+").color(Color::Created))
// .child(Label::new("-").color(Color::Deleted)),
)
.child(
div().visible_on_hover("edited-code").child(
Button::new("review", "Review")
.label_size(LabelSize::Small)
.on_click({
let buffer = buffer.clone();
cx.listener(move |this, _, window, cx| {
this.handle_file_click(
buffer.clone(),
window,
cx,
);
})
}),
),
)
.child(
div()
.id("gradient-overlay")
.absolute()
.h_5_6()
.w_12()
.bottom_0()
.right(px(52.))
.bg(overlay_gradient)
.group_hover("edited-code", |style| {
style.bg(overlay_gradient_hover)
}),
)
.on_click({
let buffer = buffer.clone();
cx.listener(move |this, _, window, cx| {
this.handle_file_click(buffer.clone(), window, cx);
})
});
Some(element)
},
)),
)
})
}
fn render_token_limit_callout(
&self,
line_height: Pixels,
token_usage_ratio: TokenUsageRatio,
cx: &mut Context<Self>,
) -> Div {
let heading = if token_usage_ratio == TokenUsageRatio::Exceeded {
"Thread reached the token limit"
} else {
"Thread reaching the token limit soon"
};
h_flex()
.p_2()
.gap_2()
.flex_wrap()
.justify_between()
.bg(
if token_usage_ratio == TokenUsageRatio::Exceeded {
cx.theme().status().error_background.opacity(0.1)
} else {
cx.theme().status().warning_background.opacity(0.1)
})
.border_t_1()
.border_color(cx.theme().colors().border)
.child(
h_flex()
.gap_2()
.items_start()
.child(
h_flex()
.h(line_height)
.justify_center()
.child(
if token_usage_ratio == TokenUsageRatio::Exceeded {
Icon::new(IconName::X)
.color(Color::Error)
.size(IconSize::XSmall)
} else {
Icon::new(IconName::Warning)
.color(Color::Warning)
.size(IconSize::XSmall)
}
),
)
.child(
v_flex()
.mr_auto()
.child(Label::new(heading).size(LabelSize::Small))
.child(
Label::new(
"Start a new thread from a summary to continue the conversation.",
)
.size(LabelSize::Small)
.color(Color::Muted),
),
),
)
.child(
Button::new("new-thread", "Start New Thread")
.on_click(cx.listener(|this, _, window, cx| {
let from_thread_id = Some(this.thread.read(cx).id().clone());
window.dispatch_action(Box::new(NewThread {
from_thread_id
}), cx);
}))
.icon(IconName::Plus)
.icon_position(IconPosition::Start)
.icon_size(IconSize::Small)
.style(ButtonStyle::Tinted(ui::TintColor::Accent))
.label_size(LabelSize::Small),
)
}
pub fn last_estimated_token_count(&self) -> Option<usize> {
self.last_estimated_token_count
}
pub fn is_waiting_to_update_token_count(&self) -> bool {
self.update_token_count_task.is_some()
}
fn reload_context(&mut self, cx: &mut Context<Self>) -> Task<Option<ContextLoadResult>> {
let load_task = cx.spawn(async move |this, cx| {
let Ok(load_task) = this.update(cx, |this, cx| {
let new_context = this.context_store.read_with(cx, |context_store, cx| {
context_store.new_context_for_thread(this.thread.read(cx))
});
load_context(new_context, &this.project, &this.prompt_store, cx)
}) else {
return;
};
let result = load_task.await;
this.update(cx, |this, cx| {
this.last_loaded_context = Some(result);
this.load_context_task = None;
this.message_or_context_changed(false, cx);
})
.ok();
});
// Replace existing load task, if any, causing it to be cancelled.
let load_task = load_task.shared();
self.load_context_task = Some(load_task.clone());
cx.spawn(async move |this, cx| {
load_task.await;
this.read_with(cx, |this, _cx| this.last_loaded_context.clone())
.ok()
.flatten()
})
}
fn handle_message_changed(&mut self, cx: &mut Context<Self>) {
self.message_or_context_changed(true, cx);
}
fn message_or_context_changed(&mut self, debounce: bool, cx: &mut Context<Self>) {
cx.emit(MessageEditorEvent::Changed);
self.update_token_count_task.take();
let Some(model) = self.thread.read(cx).configured_model() else {
self.last_estimated_token_count.take();
return;
};
let editor = self.editor.clone();
self.update_token_count_task = Some(cx.spawn(async move |this, cx| {
if debounce {
cx.background_executor()
.timer(Duration::from_millis(200))
.await;
}
let token_count = if let Some(task) = this
.update(cx, |this, cx| {
let loaded_context = this
.last_loaded_context
.as_ref()
.map(|context_load_result| &context_load_result.loaded_context);
let message_text = editor.read(cx).text(cx);
if message_text.is_empty()
&& loaded_context.map_or(true, |loaded_context| loaded_context.is_empty())
{
return None;
}
let mut request_message = LanguageModelRequestMessage {
role: language_model::Role::User,
content: Vec::new(),
cache: false,
};
if let Some(loaded_context) = loaded_context {
loaded_context.add_to_request_message(&mut request_message);
}
if !message_text.is_empty() {
request_message
.content
.push(MessageContent::Text(message_text));
}
let request = language_model::LanguageModelRequest {
thread_id: None,
prompt_id: None,
mode: None,
messages: vec![request_message],
tools: vec![],
stop: vec![],
temperature: None,
};
Some(model.model.count_tokens(request, cx))
})
.ok()
.flatten()
{
task.await.log_err()
} else {
Some(0)
};
if let Some(token_count) = token_count {
this.update(cx, |this, cx| {
this.last_estimated_token_count = Some(token_count);
cx.emit(MessageEditorEvent::EstimatedTokenCount);
this.update_token_count_task.take();
})
.ok();
}
}));
}
}
impl EventEmitter<MessageEditorEvent> for MessageEditor {}
pub enum MessageEditorEvent {
EstimatedTokenCount,
Changed,
}
impl Focusable for MessageEditor {
fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
self.editor.focus_handle(cx)
}
}
impl Render for MessageEditor {
fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let thread = self.thread.read(cx);
let token_usage_ratio = thread
.total_token_usage()
.map_or(TokenUsageRatio::Normal, |total_token_usage| {
total_token_usage.ratio()
});
let action_log = self.thread.read(cx).action_log();
let changed_buffers = action_log.read(cx).changed_buffers(cx);
let font_size = TextSize::Small.rems(cx);
let line_height = font_size.to_pixels(window.rem_size()) * 1.5;
v_flex()
.size_full()
.when(changed_buffers.len() > 0, |parent| {
parent.child(self.render_changed_buffers(&changed_buffers, window, cx))
})
.child(self.render_editor(font_size, line_height, window, cx))
.when(token_usage_ratio != TokenUsageRatio::Normal, |parent| {
parent.child(self.render_token_limit_callout(line_height, token_usage_ratio, cx))
})
}
}