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fix(tui/history): defer virtualization sync until ready

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This commit is contained in:
James Peter
2026-01-01 08:36:19 +10:00
parent 36aef09f86
commit 6c11ec706a
1 changed files with 36 additions and 1 deletions
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code-rs/tui/src/chatwidget.rs
+36 -1
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@@ -5219,6 +5219,12 @@ impl ChatWidget<'_> {
self.ensure_render_request_cache();
let render_settings = self.last_render_settings.get();
if render_settings.width == 0 {
self.history_virtualization_sync_pending.set(true);
return;
}
if self.history_cells.is_empty() {
self.history_live_window = None;
return;
}
@@ -5226,14 +5232,30 @@ impl ChatWidget<'_> {
let viewport_rows = self.layout.last_history_viewport_height.get();
if viewport_rows == 0 {
self.history_virtualization_sync_pending.set(true);
return;
}
let total_height = self.history_render.last_total_height();
let max_scroll = total_height.saturating_sub(viewport_rows);
let clamped_offset = self.layout.scroll_offset.min(max_scroll);
let scroll_pos = max_scroll.saturating_sub(clamped_offset);
let history_len = self.history_cells.len();
let history_total = {
let ps_ref = self.history_render.prefix_sums.borrow();
if ps_ref.len() <= history_len {
self.history_virtualization_sync_pending.set(true);
return;
}
ps_ref[history_len]
};
let history_scroll_pos = scroll_pos.min(history_total.saturating_sub(1));
self.update_history_live_window(scroll_pos, viewport_rows, total_height, render_settings);
self.update_history_live_window(
history_scroll_pos,
viewport_rows,
history_total,
render_settings,
);
}
/// Handle exec approval request immediately
fn handle_exec_approval_now(&mut self, _id: String, ev: ExecApprovalRequestEvent) {
@@ -37585,6 +37607,19 @@ impl WidgetRef for &ChatWidget<'_> {
}
}
if self.history_virtualization_sync_pending.get()
&& !self.history_cells.is_empty()
&& render_settings.width > 0
&& content_area.height > 0
{
let prefix_ready = self.history_render.prefix_sums.borrow().len()
> self.history_cells.len();
if prefix_ready {
self.history_virtualization_sync_pending.set(false);
let _ = self.app_event_tx.send(AppEvent::SyncHistoryVirtualization);
}
}
let mut total_height = self.history_render.last_total_height();
let base_total_height = total_height;
let viewport_rows = content_area.height;