(&mut self, frame: &mut Frame, area: Rect, prompt: &Prompt)
| 154 | } |
| 155 | |
| 156 | fn render_main(&mut self, frame: &mut Frame, area: Rect, prompt: &Prompt) { |
| 157 | // Apply breathing boundary padding |
| 158 | let area = Rect { |
| 159 | x: area.x + 2, |
| 160 | y: area.y + 1, |
| 161 | width: area.width.saturating_sub(4), |
| 162 | height: area.height.saturating_sub(2), |
| 163 | }; |
| 164 | if area.width == 0 || area.height == 0 { |
| 165 | return; |
| 166 | } |
| 167 | |
| 168 | let show_header = { |
| 169 | let user_pref = *self.context.show_header.read(); |
| 170 | if !user_pref { false } else { true } |
| 171 | }; |
| 172 | let header_height = if show_header { |
| 173 | if area.width < HEADER_NARROW_THRESHOLD { |
| 174 | 3u16 |
| 175 | } else { |
| 176 | 2u16 |
| 177 | } |
| 178 | } else { |
| 179 | 0u16 |
| 180 | }; |
| 181 | let session_footer_height = 0u16; |
| 182 | let desired_prompt_height = prompt.desired_height(area.width).max(3); |
| 183 | let total_height = area.height; |
| 184 | let available_after_header = total_height.saturating_sub(header_height); |
| 185 | let available_after_header_footer = |
| 186 | available_after_header.saturating_sub(session_footer_height); |
| 187 | let prompt_empty = prompt.get_input().trim().is_empty(); |
| 188 | let viewport_height = if self.messages_viewport_height == 0 { |
| 189 | usize::from(available_after_header_footer) |
| 190 | } else { |
| 191 | self.messages_viewport_height |
| 192 | }; |
| 193 | let near_bottom = |
| 194 | self.scroll_offset.saturating_add(viewport_height) >= self.rendered_line_count; |
| 195 | let show_prompt = !prompt_empty || near_bottom; |
| 196 | let prompt_height = if show_prompt { |
| 197 | desired_prompt_height.min(available_after_header_footer) |
| 198 | } else { |
| 199 | 0 |
| 200 | }; |
| 201 | |
| 202 | let layout = if !show_prompt { |
| 203 | Layout::default() |
| 204 | .direction(Direction::Vertical) |
| 205 | .constraints([ |
| 206 | Constraint::Length(header_height), |
| 207 | Constraint::Min(0), |
| 208 | Constraint::Length(session_footer_height.min(available_after_header)), |
| 209 | Constraint::Length(0), |
| 210 | Constraint::Length(0), |
| 211 | ]) |
| 212 | .split(area) |
| 213 | } else if available_after_header_footer <= prompt_height { |
no test coverage detected