Handles a regular character insertion.
(&mut self, ch: char)
| 169 | |
| 170 | /// Handles a regular character insertion. |
| 171 | fn do_char(&mut self, ch: char) -> io::Result<DispatchResult> { |
| 172 | if self.input_width == 0 { |
| 173 | return Ok(DispatchResult::Continue); |
| 174 | } |
| 175 | |
| 176 | let line_len = self.line.len(); |
| 177 | let new_view_start = self.adjust_view(self.pos + 1, self.view_start); |
| 178 | if new_view_start == self.view_start && line_len < self.input_width { |
| 179 | if self.pos < line_len { |
| 180 | self.console.hide_cursor()?; |
| 181 | if self.echo { |
| 182 | let mut buf = [0u8; 4]; |
| 183 | self.console.write(ch.encode_utf8(&mut buf))?; |
| 184 | self.console.write(&self.line.end(self.pos))?; |
| 185 | } else { |
| 186 | self.console.write(&SECURE_CHAR.repeat(line_len - self.pos + 1))?; |
| 187 | } |
| 188 | self.console.move_within_line(-((line_len - self.pos) as i16))?; |
| 189 | self.console.show_cursor()?; |
| 190 | self.line.insert(self.pos, ch); |
| 191 | } else { |
| 192 | if self.echo { |
| 193 | let mut buf = [0u8; 4]; |
| 194 | self.console.write(ch.encode_utf8(&mut buf))?; |
| 195 | } else { |
| 196 | self.console.write(SECURE_CHAR)?; |
| 197 | } |
| 198 | self.line.insert(line_len, ch); |
| 199 | } |
| 200 | self.pos += 1; |
| 201 | self.sync_rendered(); |
| 202 | } else { |
| 203 | let old_pos = self.current_pos(); |
| 204 | let clear_len = self.rendered_len; |
| 205 | self.line.insert(self.pos, ch); |
| 206 | self.pos += 1; |
| 207 | self.view_start = new_view_start; |
| 208 | self.sync_rendered(); |
| 209 | self.redraw_line(old_pos, clear_len, self.current_pos())?; |
| 210 | } |
| 211 | Ok(DispatchResult::Continue) |
| 212 | } |
| 213 | |
| 214 | /// Handles deletion of the character under the cursor. |
| 215 | fn do_delete(&mut self) -> io::Result<DispatchResult> { |
no test coverage detected