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fix(tui/mcp): keep selected row visible

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This commit is contained in:
James Peter
2025-10-28 18:04:37 +10:00
parent 9f6481a1b8
commit 4c114758ee
1 changed files with 30 additions and 1 deletions
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code-rs/tui/src/bottom_pane/mcp_settings_view.rs
+30 -1
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@@ -113,6 +113,8 @@ impl<'a> BottomPaneView<'a> for McpSettingsView {
block.render(area, buf);
let mut lines: Vec<Line<'static>> = Vec::new();
let mut selected_line_index: usize = 0;
if self.rows.is_empty() {
lines.push(Line::from(vec![Span::styled("No MCP servers configured.", Style::default().fg(crate::colors::text_dim()))]));
lines.push(Line::from(""));
@@ -123,6 +125,7 @@ impl<'a> BottomPaneView<'a> for McpSettingsView {
let check = if row.enabled { "[on ]" } else { "[off]" };
let name = format!("{} {}", check, row.name);
let name_style = if sel { Style::default().bg(crate::colors::selection()).add_modifier(Modifier::BOLD) } else { Style::default() };
let arrow_line_index = lines.len();
lines.push(Line::from(vec![
Span::styled(if sel { "› " } else { " " }, Style::default()),
Span::styled(name, name_style),
@@ -133,18 +136,29 @@ impl<'a> BottomPaneView<'a> for McpSettingsView {
Span::styled(" ", Style::default()),
Span::styled(row.summary.clone(), sum_style),
]));
if sel {
selected_line_index = arrow_line_index;
}
}
// Add New…
let add_sel = self.selected == self.rows.len();
let add_style = if add_sel { Style::default().bg(crate::colors::selection()).add_modifier(Modifier::BOLD) } else { Style::default() };
lines.push(Line::from(""));
let add_line_index = lines.len();
lines.push(Line::from(vec![Span::styled(if add_sel { "› " } else { " " }, Style::default()), Span::styled("Add new server…", add_style)]));
if add_sel {
selected_line_index = add_line_index;
}
// Close
let close_sel = self.selected == self.rows.len().saturating_add(1);
let close_style = if close_sel { Style::default().bg(crate::colors::selection()).add_modifier(Modifier::BOLD) } else { Style::default() };
let close_line_index = lines.len();
lines.push(Line::from(vec![Span::styled(if close_sel { "› " } else { " " }, Style::default()), Span::styled("Close", close_style)]));
if close_sel {
selected_line_index = close_line_index;
}
lines.push(Line::from(""));
lines.push(Line::from(vec![
@@ -156,9 +170,24 @@ impl<'a> BottomPaneView<'a> for McpSettingsView {
Span::styled(" Close", Style::default().fg(crate::colors::text_dim())),
]));
let total_lines = lines.len();
let viewport_height = inner.height as usize;
let selected_line_index = selected_line_index.min(total_lines.saturating_sub(1));
let mut scroll_top = 0usize;
if viewport_height > 0 && total_lines > viewport_height {
let half = viewport_height / 2;
let mut candidate = selected_line_index.saturating_sub(half);
let max_scroll = total_lines - viewport_height;
if candidate > max_scroll {
candidate = max_scroll;
}
scroll_top = candidate;
}
let paragraph = Paragraph::new(lines)
.alignment(Alignment::Left)
.style(Style::default().bg(crate::colors::background()).fg(crate::colors::text()));
.style(Style::default().bg(crate::colors::background()).fg(crate::colors::text()))
.scroll((scroll_top as u16, 0));
paragraph.render(Rect { x: inner.x.saturating_add(1), y: inner.y, width: inner.width.saturating_sub(2), height: inner.height }, buf);
}
}