1 use core::sync::atomic::{AtomicBool, AtomicIsize, Ordering}; 2 3 use alloc::{ 4 sync::{Arc, Weak}, 5 vec::Vec, 6 }; 7 use bitmap::{traits::BitMapOps, StaticBitmap}; 8 9 use crate::{ 10 driver::{ 11 serial::serial8250::send_to_default_serial8250_port, 12 tty::{console::ConsoleSwitch, ConsoleFont, KDMode}, 13 }, 14 libs::{font::FontDesc, rwlock::RwLock}, 15 process::Pid, 16 }; 17 18 use super::{ 19 console_map::{TranslationMap, TranslationMapType}, 20 Color, DrawRegion, VtMode, VtModeData, COLOR_TABLE, DEFAULT_BLUE, DEFAULT_GREEN, DEFAULT_RED, 21 }; 22 23 pub(super) const NPAR: usize = 16; 24 25 lazy_static! { 26 /// 是否已经添加了软光标 27 pub(super) static ref SOFTCURSOR_ORIGINAL: RwLock<Option<VcCursor>> = RwLock::new(None); 28 29 30 } 31 32 pub static CURRENT_VCNUM: AtomicIsize = AtomicIsize::new(-1); 33 34 pub static CONSOLE_BLANKED: AtomicBool = AtomicBool::new(false); 35 36 /// ## 虚拟控制台的信息 37 #[derive(Debug, Clone)] 38 pub struct VirtualConsoleData { 39 pub num: usize, 40 pub state: VirtualConsoleInfo, 41 pub saved_state: VirtualConsoleInfo, 42 /// 最大列数 43 pub cols: usize, 44 /// 最大行数 45 pub rows: usize, 46 // /// 每行的字节数 47 // pub bytes_per_row: usize, 48 /// 扫描行数 49 pub scan_lines: usize, 50 /// 字符单元高度 51 pub cell_height: u32, 52 53 // /// 实际屏幕地址的开始 54 // pub screen_base: VirtAddr, 55 // /// 实际屏幕的结束 56 // pub scr_end: u64, 57 /// 可见窗口的开始 58 pub visible_origin: usize, 59 /// 滚动窗口的顶部 60 pub top: usize, 61 /// 滚动窗口的底部 62 pub bottom: usize, 63 /// 当前读取位置 64 pub pos: usize, 65 66 /// 颜色集合 67 pub palette: [Color; 16], 68 /// 默认颜色 69 pub def_color: u8, 70 /// 下划线颜色 71 pub underline_color: u32, 72 /// 斜体颜色 73 pub italic_color: u32, 74 /// 半强度颜色 75 pub half_color: u32, 76 77 pub mode: KDMode, 78 pub vt_mode: VtModeData, 79 80 /// 是否启用颜色 81 pub color_mode: bool, 82 83 // 字符 84 pub hi_font_mask: u16, 85 pub font: ConsoleFont, 86 87 pub erase_char: u16, 88 89 pub complement_mask: u16, 90 pub s_complement_mask: u16, 91 92 pub cursor_blink_ms: u16, 93 94 pub pid: Option<Pid>, 95 pub index: usize, 96 97 pub vc_state: VirtualConsoleState, 98 99 // 一些标志 100 /// 指示是否显示 ASCII 字符小于 32 的控制字符(vc_disp_ctrl) 101 pub display_ctrl: bool, 102 /// 指示是否切换高位（meta）位。Meta 键是一个特殊的按键，用于扩展字符集。 103 pub toggle_meta: bool, 104 /// 表示屏幕模式(vc_decscnm) 105 pub screen_mode: bool, 106 /// 指定光标移动的起始位置，是相对于屏幕的左上角还是相对于当前页的左上角(vc_decom) 107 pub origin_mode: bool, 108 /// 控制光标到达行末时是否自动换行(vc_decawm) 109 pub autowrap: bool, 110 /// 控制光标的可见性(vc_deccm) 111 pub cursor_visible: bool, 112 /// 光标相关 113 pub cursor_type: VcCursor, 114 /// 控制插入或替换模式(vc_decim) 115 pub insert_mode: bool, 116 /// 表示一些私有模式或状态，通常由特定终端实现定义(vc_priv) 117 pub private: Vt102_OP, 118 /// 是否需要进行自动换行 119 pub need_wrap: bool, 120 /// 控制鼠标事件的报告方式 121 pub report_mouse: u8, 122 /// 指示终端是否使用 UTF-8 编码 123 pub utf: bool, 124 /// UTF-8 编码的字符计数，表示还需要多少个字节才能够构建完成 125 pub utf_count: u8, 126 /// UTF-8 编码的字符，表示正在构建的utf字符 127 pub utf_char: u32, 128 /// 构建utf时需要的参数，表示目前接收了多少个字节的数据来构建utf字符 129 pub npar: u32, 130 /// 131 pub par: [u32; NPAR], 132 133 /// 字符转换表 用于将输入字符映射到特定的字符 134 pub translate: TranslationMap, 135 136 pub tab_stop: StaticBitmap<256>, 137 138 pub attr: u8, 139 140 /// vc缓冲区 141 pub screen_buf: Vec<u16>, 142 143 /// 对应的Console Driver funcs 144 driver_funcs: Option<Weak<dyn ConsoleSwitch>>, 145 } 146 147 impl VirtualConsoleData { 148 #[inline(never)] 149 pub fn new(num: usize) -> Self { 150 Self { 151 state: VirtualConsoleInfo::new(0, 0), 152 saved_state: Default::default(), 153 cols: Default::default(), 154 rows: Default::default(), 155 // bytes_per_row: Default::default(), 156 scan_lines: Default::default(), 157 cell_height: Default::default(), 158 // origin: Default::default(), 159 // scr_end: Default::default(), 160 visible_origin: Default::default(), 161 top: Default::default(), 162 bottom: Default::default(), 163 palette: [Default::default(); 16], 164 def_color: Default::default(), 165 underline_color: Default::default(), 166 italic_color: Default::default(), 167 half_color: Default::default(), 168 mode: Default::default(), 169 color_mode: Default::default(), 170 hi_font_mask: Default::default(), 171 erase_char: Default::default(), 172 complement_mask: Default::default(), 173 s_complement_mask: Default::default(), 174 cursor_blink_ms: 200, 175 pos: Default::default(), 176 vt_mode: VtModeData { 177 mode: VtMode::Auto, 178 relsig: 0, 179 acqsig: 0, 180 }, 181 pid: None, 182 index: 0, 183 font: Default::default(), 184 vc_state: VirtualConsoleState::ESnormal, 185 display_ctrl: Default::default(), 186 toggle_meta: Default::default(), 187 screen_mode: Default::default(), 188 origin_mode: Default::default(), 189 autowrap: Default::default(), 190 cursor_visible: Default::default(), 191 insert_mode: Default::default(), 192 private: Vt102_OP::Pecma, 193 need_wrap: Default::default(), 194 report_mouse: Default::default(), 195 utf: Default::default(), 196 utf_count: Default::default(), 197 utf_char: Default::default(), 198 translate: TranslationMap::new(TranslationMapType::Lat1), 199 npar: Default::default(), 200 tab_stop: StaticBitmap::new(), 201 par: [0; 16], 202 attr: Default::default(), 203 screen_buf: Default::default(), 204 driver_funcs: None, 205 cursor_type: VcCursor::empty(), 206 num, 207 } 208 } 209 210 pub(super) fn init(&mut self, rows: Option<usize>, cols: Option<usize>, clear: bool) { 211 if let Some(rows) = rows { 212 self.rows = rows; 213 } 214 if let Some(cols) = cols { 215 self.cols = cols; 216 } 217 218 self.pos = self.cols * self.state.y + self.state.x; 219 // self.bytes_per_row = self.cols << 1; 220 221 self.def_color = 15; // white 222 self.italic_color = 2; // green 223 self.underline_color = 3; // cyan 224 self.half_color = 0x08; // grey 225 226 self.reset(clear); 227 228 self.screen_buf.resize(self.cols * self.rows, 0); 229 } 230 231 pub fn should_update(&self) -> bool { 232 self.is_visible() && !CONSOLE_BLANKED.load(Ordering::SeqCst) 233 } 234 235 pub fn is_visible(&self) -> bool { 236 let cur_vc = CURRENT_VCNUM.load(Ordering::SeqCst); 237 if cur_vc == -1 { 238 return false; 239 } 240 241 cur_vc as usize == self.num 242 } 243 244 fn driver_funcs(&self) -> Arc<dyn ConsoleSwitch> { 245 self.driver_funcs.as_ref().unwrap().upgrade().unwrap() 246 } 247 248 pub(super) fn set_driver_funcs(&mut self, func: Weak<dyn ConsoleSwitch>) { 249 self.driver_funcs = Some(func); 250 } 251 252 pub(super) fn reset(&mut self, do_clear: bool) { 253 self.mode = KDMode::KdText; 254 // unicode? 255 self.vt_mode.mode = VtMode::Auto; 256 self.vt_mode.acqsig = 0; 257 self.vt_mode.relsig = 0; 258 self.display_ctrl = false; 259 self.toggle_meta = false; 260 self.screen_mode = false; 261 self.origin_mode = false; 262 self.autowrap = true; 263 self.cursor_visible = true; 264 self.insert_mode = false; 265 self.need_wrap = false; 266 self.report_mouse = 0; 267 self.utf_count = 0; 268 self.translate = TranslationMap::new(TranslationMapType::Lat1); 269 self.utf = true; 270 self.pid = None; 271 self.vc_state = VirtualConsoleState::ESnormal; 272 self.reset_palette(); 273 // self.cursor_type = VcCursor::CUR_UNDERLINE; 274 self.cursor_type = VcCursor::CUR_BLOCK; 275 276 self.default_attr(); 277 self.update_attr(); 278 279 self.tab_stop.set_all(false); 280 281 for i in (0..256).step_by(8) { 282 self.tab_stop.set(i, true); 283 } 284 285 self.state.x = 0; 286 self.state.y = 0; 287 self.pos = 0; 288 289 if do_clear { 290 self.csi_J(2); 291 } 292 } 293 294 fn reset_palette(&mut self) { 295 for (idx, color) in self.palette.iter_mut().enumerate() { 296 color.red = DEFAULT_RED[idx]; 297 color.green = DEFAULT_GREEN[idx]; 298 color.blue = DEFAULT_BLUE[idx]; 299 } 300 301 self.set_palette(); 302 } 303 304 fn set_palette(&self) { 305 if self.mode != KDMode::KdGraphics { 306 // todo: 通知driver层的Console 307 let _ = self.driver_funcs().con_set_palette(self, COLOR_TABLE); 308 } 309 } 310 311 /// ## 翻译字符，将字符转换为终端控制符 312 /// ### 参数 313 /// 314 /// ### c: 需要转换的字符 315 /// 316 /// ### 返回值 317 /// ### （转换后的字符:i32，是否需要更多的数据才能进行转换:bool） 318 pub(super) fn translate(&mut self, c: &mut u32) -> (Option<u32>, bool) { 319 if self.vc_state != VirtualConsoleState::ESnormal { 320 // 在控制字符状态下不需要翻译 321 return (Some(*c), false); 322 } 323 if self.utf && !self.display_ctrl { 324 // utf模式并且不显示控制字符 325 let (ret, rescan) = self.translate_unicode(*c); 326 if let Some(ret) = ret { 327 *c = ret; 328 } 329 return (ret, rescan); 330 } 331 332 return (Some(self.translate_ascii(*c)), false); 333 } 334 335 /// 该数组包含每个字节序列长度变化的阈值 336 /// 即如果由两个字节组成的unicode字符，则长度应该在UTF8_LENGTH_CHANGES[0] ~ UTF8_LENGTH_CHANGES[1]之间 337 const UTF8_LENGTH_CHANGES: &'static [u32] = &[ 338 0x0000007f, 0x000007ff, 0x0000ffff, 0x001fffff, 0x03ffffff, 0x7fffffff, 339 ]; 340 341 /// ## 翻译字符，将UTF-8 编码的字符转换为 Unicode 编码 342 /// ### 参数 343 /// 344 /// ### c: 需要转换的字符 345 /// 346 /// ### 返回值 347 /// ### （转换后的字符:i32，是否需要重新传入该字符:bool） 348 /// 349 /// !!! 注意，该函数返回true时，元组的第一个数据是无效数据（未转换完成） 350 fn translate_unicode(&mut self, c: u32) -> (Option<u32>, bool) { 351 // 收到的字符不是首个 352 if (c & 0xc0) == 0x80 { 353 // 已经不需要继续的字符了，说明这个字符是非法的 354 if self.utf_count == 0 { 355 return (Some(0xfffd), false); 356 } 357 358 self.utf_char = (self.utf_char << 6) | (c & 0x3f); 359 self.npar += 1; 360 361 self.utf_count -= 1; 362 if self.utf_count > 0 { 363 // 表示需要更多字节 364 return (None, false); 365 } 366 367 let c = self.utf_char; 368 369 // 先检查一遍是否合格 370 if c <= Self::UTF8_LENGTH_CHANGES[self.npar as usize - 1] 371 || c > Self::UTF8_LENGTH_CHANGES[self.npar as usize] 372 { 373 return (Some(0xfffd), false); 374 } 375 376 return (Some(Self::sanitize_unicode(c)), false); 377 } 378 379 // 接收到单个ASCII字符或者一个序列的首字符,且上次的未处理完,则上一个字符视为无效，则需要重新传入该字符处理 380 if self.utf_count > 0 { 381 self.utf_count = 0; 382 return (Some(0xfffd), true); 383 } 384 385 // ascii 386 if c <= 0x7f { 387 return (Some(c), false); 388 } 389 390 // 第一个字节 391 self.npar = 0; 392 if (c & 0xe0) == 0xc0 { 393 self.utf_count = 1; 394 self.utf_char = c & 0x1f; 395 } else if (c & 0xf0) == 0xe0 { 396 self.utf_count = 2; 397 self.utf_char = c & 0x0f; 398 } else if (c & 0xf8) == 0xf0 { 399 self.utf_count = 3; 400 self.utf_char = c & 0x07; 401 } else if (c & 0xfc) == 0xf8 { 402 self.utf_count = 4; 403 self.utf_char = c & 0x03; 404 } else if (c & 0xfe) == 0xfc { 405 self.utf_count = 5; 406 self.utf_char = c & 0x01; 407 } else { 408 /* 254 and 255 are invalid */ 409 return (Some(0xfffd), false); 410 } 411 412 (None, false) 413 } 414 415 /// ## 翻译字符，将字符转换为Ascii 416 fn translate_ascii(&self, c: u32) -> u32 { 417 let mut c = c; 418 if self.toggle_meta { 419 c |= 0x80; 420 } 421 422 return self.translate.translate(c) as u32; 423 } 424 425 /// ## 用于替换无效的 Unicode 代码点（code points）。 426 /// Unicode 代码点的范围是从 U+0000 到 U+10FFFF， 427 /// 但是有一些特殊的代码点是无效的或者保留给特定用途的。 428 /// 这个函数的主要目的是将无效的 Unicode 代码点替换为 U+FFFD，即 Unicode 替代字符。 429 fn sanitize_unicode(c: u32) -> u32 { 430 if (0xd800..=0xdfff).contains(&c) || c == 0xfffe || c == 0xffff { 431 return 0xfffd; 432 } 433 return c; 434 } 435 436 /// 用于表示小于 32 的字符中，哪些字符对应的位被设置为 1， 437 /// 表示这些字符会触发一些特殊的动作，比如光标移动等。 438 /// 这些字符在 disp_ctrl 模式未开启时不应该被显示为图形符号 439 const CTRL_ACTION: u32 = 0x0d00ff81; 440 /// 用于表示哪些控制字符是始终显示的，即便 disp_ctrl 模式未开启。 441 /// 这些字符对于终端来说是必要的，显示它们是为了保证终端正常工作。 442 /// 这些字符在 disp_ctrl 模式开启或关闭时都应该显示为控制字符。 443 const CTRL_ALWAYS: u32 = 0x0800f501; 444 445 /// ## 用于判断tc(终端字符)在当前VC下是不是需要显示的控制字符 446 pub(super) fn is_control(&self, tc: u32, c: u32) -> bool { 447 // 当前vc状态机不在正常状态，即在接收特殊字符的状态，则是控制字符 448 if self.vc_state != VirtualConsoleState::ESnormal { 449 return true; 450 } 451 452 if tc == 0 { 453 return true; 454 } 455 456 if c < 32 { 457 if self.display_ctrl { 458 // 查看在位图中是否有该字符 459 return Self::CTRL_ALWAYS & (1 << c) != 0; 460 } else { 461 return self.utf || (Self::CTRL_ACTION & (1 << c) != 0); 462 } 463 } 464 465 if c == 127 && !self.display_ctrl { 466 return true; 467 } 468 469 if c == 128 + 27 { 470 return true; 471 } 472 473 false 474 } 475 476 pub(super) fn set_cursor(&mut self) { 477 if self.mode == KDMode::KdGraphics { 478 return; 479 } 480 481 if self.cursor_visible { 482 // TODO: 处理选择 483 self.add_softcursor(); 484 if self.cursor_type.cursor_size() != VcCursor::CUR_NONE { 485 self.driver_funcs().con_cursor(self, CursorOperation::Draw); 486 } 487 } else { 488 self.hide_cursor(); 489 } 490 } 491 492 /// ## 添加软光标 493 fn add_softcursor(&mut self) { 494 let mut i = self.screen_buf[self.pos] as u32; 495 let cursor_type = self.cursor_type; 496 497 if !cursor_type.contains(VcCursor::CUR_SW) { 498 return; 499 } 500 501 if SOFTCURSOR_ORIGINAL.read_irqsave().is_some() { 502 // 已经设置了软光标 503 return; 504 } 505 506 let mut soft_cursor_guard = SOFTCURSOR_ORIGINAL.write_irqsave(); 507 *soft_cursor_guard = Some(unsafe { VcCursor::from_bits_unchecked(i) }); 508 509 let soft_cursor = soft_cursor_guard.unwrap(); 510 511 i |= cursor_type.cursor_set(); 512 i ^= cursor_type.cursor_change(); 513 if cursor_type.contains(VcCursor::CUR_ALWAYS_BG) 514 && ((soft_cursor.bits & VcCursor::CUR_BG.bits) == (i & VcCursor::CUR_BG.bits)) 515 { 516 i ^= VcCursor::CUR_BG.bits; 517 } 518 if cursor_type.contains(VcCursor::CUR_INVERT_FG_BG) 519 && ((i & VcCursor::CUR_FG.bits) == ((i & VcCursor::CUR_BG.bits) >> 4)) 520 { 521 i ^= VcCursor::CUR_FG.bits; 522 } 523 524 self.screen_buf[self.pos] = i as u16; 525 526 let _ = 527 self.driver_funcs() 528 .con_putc(self, i as u16, self.state.y as u32, self.state.x as u32); 529 } 530 531 pub fn hide_cursor(&mut self) { 532 // TODO: 处理选择 533 534 self.driver_funcs().con_cursor(self, CursorOperation::Erase); 535 self.hide_softcursor(); 536 } 537 538 fn hide_softcursor(&mut self) { 539 let softcursor = SOFTCURSOR_ORIGINAL.upgradeable_read_irqsave(); 540 if softcursor.is_some() { 541 self.screen_buf[self.pos] = softcursor.unwrap().bits as u16; 542 let _ = self.driver_funcs().con_putc( 543 self, 544 softcursor.unwrap().bits as u16, 545 self.state.y as u32, 546 self.state.x as u32, 547 ); 548 549 *softcursor.upgrade() = None; 550 } 551 } 552 553 fn gotoxay(&mut self, x: i32, y: i32) { 554 if self.origin_mode { 555 self.gotoxy(x, self.top as i32 + y); 556 } else { 557 self.gotoxy(x, y) 558 } 559 } 560 561 // ## 将当前vc的光标移动到目标位置 562 fn gotoxy(&mut self, x: i32, y: i32) { 563 if x < 0 { 564 self.state.x = 0; 565 } else if x as usize >= self.cols { 566 self.state.x = self.cols - 1; 567 } else { 568 self.state.x = x as usize; 569 } 570 571 let max_y; 572 let min_y; 573 if self.origin_mode { 574 min_y = self.top; 575 max_y = self.bottom - 1; 576 } else { 577 min_y = 0; 578 max_y = self.rows - 1; 579 } 580 581 if y < min_y as i32 { 582 self.state.y = min_y; 583 } else if y >= max_y as i32 { 584 self.state.y = max_y; 585 } else { 586 self.state.y = y as usize; 587 } 588 589 self.pos = self.state.y * self.cols + self.state.x; 590 self.need_wrap = false; 591 } 592 593 fn scroll(&mut self, dir: ScrollDir, mut nr: usize) { 594 // todo: uniscr_srceen 595 if self.top + nr >= self.bottom { 596 // 滚动超过一页,则按一页计算 597 nr = self.bottom - self.top - 1; 598 } 599 600 if nr < 1 { 601 return; 602 } 603 604 if self.is_visible() 605 && self 606 .driver_funcs() 607 .con_scroll(self, self.top, self.bottom, dir, nr) 608 { 609 // 如果成功 610 return; 611 } 612 613 // 调整screen_buf 614 let count = nr * self.cols; 615 if dir == ScrollDir::Up { 616 for i in self.screen_buf[0..count].iter_mut() { 617 *i = self.erase_char; 618 } 619 self.screen_buf.rotate_left(count); 620 } else if dir == ScrollDir::Down { 621 todo!(); 622 } 623 } 624 625 /// ## 退格 626 fn backspace(&mut self) { 627 if self.state.x > 0 { 628 self.pos -= 1; 629 self.state.x -= 1; 630 self.need_wrap = false; 631 632 // TODO: notify 633 } 634 } 635 636 /// ## 换行 637 fn line_feed(&mut self) { 638 if self.state.y + 1 == self.bottom { 639 self.scroll(ScrollDir::Up, 1); 640 } else if self.state.y < self.rows - 1 { 641 self.state.y += 1; 642 self.pos += self.cols; 643 } 644 645 self.need_wrap = false; 646 // TODO: Notify write 647 } 648 649 /// ## 回车 650 fn carriage_return(&mut self) { 651 // 写入位置回退到该行最前 652 self.pos -= self.state.x; 653 self.need_wrap = false; 654 self.state.x = 0; 655 } 656 657 /// ## Del 658 fn delete(&mut self) { 659 // ignore 660 } 661 662 /// ## 向上滚动虚拟终端的内容，或者将光标上移一行 663 fn reverse_index(&mut self) { 664 if self.state.y == self.top { 665 self.scroll(ScrollDir::Down, 1); 666 } else if self.state.y > 0 { 667 self.state.y -= 1; 668 self.pos -= self.cols; 669 } 670 self.need_wrap = false; 671 } 672 673 /// https://code.dragonos.org.cn/xref/linux-6.1.9/drivers/tty/vt/vt.c#restore_cur 674 fn restore_cursor(&mut self) { 675 self.saved_state = self.state.clone(); 676 677 self.gotoxy(self.state.x as i32, self.state.y as i32); 678 679 // TODO Gx_charset 680 681 self.update_attr(); 682 self.need_wrap = false; 683 todo!() 684 } 685 686 /// ## 设置当前vt的各项属性 687 fn set_mode(&mut self, on_off: bool) { 688 for i in 0..self.npar as usize { 689 if self.private == Vt102_OP::Pdec { 690 match self.par[i] { 691 1 => { 692 todo!("kbd todo"); 693 } 694 3 => { 695 todo!("reisze todo"); 696 } 697 5 => { 698 todo!("invert_screen todo"); 699 } 700 6 => { 701 self.origin_mode = on_off; 702 if on_off { 703 self.gotoxy(0, self.top as i32); 704 } else { 705 self.gotoxy(0, 0); 706 } 707 } 708 7 => { 709 self.autowrap = on_off; 710 } 711 8 => { 712 todo!("kbd todo"); 713 } 714 9 => { 715 todo!("report mouse todo"); 716 } 717 25 => { 718 self.cursor_visible = on_off; 719 } 720 1000 => { 721 todo!("report mouse todo"); 722 } 723 _ => {} 724 } 725 } else { 726 match self.par[i] { 727 3 => { 728 self.display_ctrl = on_off; 729 } 730 4 => { 731 self.insert_mode = on_off; 732 } 733 20 => { 734 todo!("kbd todo"); 735 } 736 _ => {} 737 } 738 } 739 } 740 } 741 742 #[inline(never)] 743 fn do_getpars(&mut self, c: char) { 744 if c == ';' && self.npar < (NPAR - 1) as u32 { 745 self.npar += 1; 746 return; 747 } 748 749 if c.is_ascii_digit() { 750 self.par[self.npar as usize] *= 10; 751 self.par[self.npar as usize] += (c as u8 - b'0') as u32; 752 return; 753 } 754 755 if c as u8 >= 0x20 && c as u8 <= 0x3f { 756 self.vc_state = VirtualConsoleState::EScsiignore; 757 return; 758 } 759 760 self.vc_state = VirtualConsoleState::ESnormal; 761 762 match c { 763 'h' => { 764 if self.private <= Vt102_OP::Pdec { 765 self.set_mode(true); 766 } 767 return; 768 } 769 'l' => { 770 if self.private <= Vt102_OP::Pdec { 771 self.set_mode(false); 772 } 773 return; 774 } 775 'c' => { 776 if self.private == Vt102_OP::Pdec { 777 if self.par[0] != 0 { 778 self.cursor_type = 779 VcCursor::make_cursor(self.par[0], self.par[1], self.par[2]) 780 } else { 781 self.cursor_type = VcCursor::CUR_UNDERLINE; 782 } 783 return; 784 } 785 } 786 'm' => { 787 if self.private == Vt102_OP::Pdec { 788 if self.par[0] != 0 { 789 self.complement_mask = (self.par[0] << 8 | self.par[1]) as u16; 790 } else { 791 self.complement_mask = self.s_complement_mask; 792 } 793 return; 794 } 795 } 796 'n' => { 797 if self.private == Vt102_OP::Pecma { 798 if self.par[0] == 5 { 799 send_to_default_serial8250_port("tty status report todo".as_bytes()); 800 panic!(); 801 } else if self.par[0] == 6 { 802 send_to_default_serial8250_port("tty cursor report todo".as_bytes()); 803 panic!(); 804 } 805 } 806 return; 807 } 808 _ => {} 809 } 810 811 if self.private != Vt102_OP::Pecma { 812 self.private = Vt102_OP::Pecma; 813 return; 814 } 815 816 match c { 817 'G' | '`' => { 818 if self.par[0] != 0 { 819 self.par[0] -= 1; 820 } 821 self.gotoxy(self.par[0] as i32, self.state.y as i32); 822 return; 823 } 824 'A' => { 825 if self.par[0] == 0 { 826 self.par[0] += 1; 827 } 828 self.gotoxy( 829 self.state.x as i32, 830 (self.state.y - self.par[0] as usize) as i32, 831 ); 832 return; 833 } 834 'B' | 'e' => { 835 if self.par[0] == 0 { 836 self.par[0] += 1; 837 } 838 self.gotoxy( 839 self.state.x as i32, 840 (self.state.y + self.par[0] as usize) as i32, 841 ); 842 return; 843 } 844 'C' | 'a' => { 845 if self.par[0] == 0 { 846 self.par[0] += 1; 847 } 848 self.gotoxy( 849 (self.state.x + self.par[0] as usize) as i32, 850 self.state.y as i32, 851 ); 852 return; 853 } 854 'D' => { 855 if self.par[0] == 0 { 856 self.par[0] += 1; 857 } 858 self.gotoxy( 859 self.state.x as i32 - self.par[0] as i32, 860 self.state.y as i32, 861 ); 862 return; 863 } 864 'E' => { 865 if self.par[0] == 0 { 866 self.par[0] += 1; 867 } 868 self.gotoxy(0, (self.state.y + self.par[0] as usize) as i32); 869 return; 870 } 871 'F' => { 872 if self.par[0] == 0 { 873 self.par[0] += 1; 874 } 875 self.gotoxy(0, self.state.y as i32 - self.par[0] as i32); 876 return; 877 } 878 'd' => { 879 if self.par[0] != 0 { 880 self.par[0] -= 1; 881 } 882 self.gotoxay(self.state.x as i32, self.par[0] as i32); 883 return; 884 } 885 'H' | 'f' => { 886 // MOVETO 887 if self.par[0] != 0 { 888 self.par[0] -= 1; 889 } 890 if self.par[1] != 0 { 891 self.par[1] -= 1; 892 } 893 self.gotoxay(self.par[1] as i32, self.par[0] as i32); 894 return; 895 } 896 'J' => { 897 self.csi_J(self.par[0]); 898 return; 899 } 900 'K' => { 901 self.csi_K(self.par[0]); 902 return; 903 } 904 'L' => { 905 todo!("csi_L todo"); 906 } 907 'M' => { 908 todo!("csi_M todo"); 909 } 910 'P' => { 911 todo!("csi_P todo"); 912 } 913 914 // 非ANSI标准，为ANSI拓展 915 'S' => { 916 self.scroll(ScrollDir::Up, self.par[0] as usize); 917 return; 918 } 919 920 'T' => { 921 self.scroll(ScrollDir::Down, self.par[0] as usize); 922 return; 923 } 924 925 'c' => { 926 if self.par[0] == 0 { 927 kwarn!("respone ID todo"); 928 } 929 return; 930 } 931 'g' => { 932 if self.par[0] == 0 && self.state.x < 256 { 933 self.tab_stop.set(self.state.x, true); 934 } else if self.par[0] == 3 { 935 self.tab_stop.set_all(false); 936 } 937 return; 938 } 939 'm' => { 940 self.csi_m(); 941 return; 942 } 943 'q' => { 944 if self.par[0] < 4 { 945 todo!("vt set led state todo"); 946 } 947 return; 948 } 949 'r' => { 950 if self.par[0] == 0 { 951 self.par[0] += 1; 952 } 953 if self.par[1] == 0 { 954 self.par[1] = self.rows as u32; 955 } 956 if self.par[0] < self.par[1] && self.par[1] <= self.rows as u32 { 957 self.top = self.par[0] as usize - 1; 958 self.bottom = self.par[1] as usize; 959 self.gotoxay(0, 0); 960 } 961 return; 962 } 963 's' => { 964 self.saved_state = self.state.clone(); 965 return; 966 } 967 'u' => { 968 self.restore_cursor(); 969 return; 970 } 971 '@' => { 972 todo!("csi_at todo"); 973 } 974 ']' => { 975 todo!("set termial command todo"); 976 } 977 _ => {} 978 } 979 } 980 981 /// ## 处理Control Sequence Introducer（控制序列引导符） m字符 982 #[inline(never)] 983 fn csi_m(&mut self) { 984 let mut i = 0; 985 loop { 986 if i > self.npar as usize { 987 break; 988 } 989 match self.par[i] { 990 0 => { 991 // 关闭所有属性 992 self.default_attr(); 993 } 994 995 1 => { 996 // 设置粗体 997 self.state.intensity = VirtualConsoleIntensity::Bold; 998 } 999 1000 2 => { 1001 // 设置半亮度（半明显 1002 self.state.intensity = VirtualConsoleIntensity::HalfBright; 1003 } 1004 1005 3 => { 1006 // 斜体 1007 self.state.italic = true; 1008 } 1009 1010 4 | 21 => { 1011 // 下划线 1012 1013 // 21是设置双下划线，但是不支持，就单下划线 1014 self.state.underline = true; 1015 } 1016 1017 5 => { 1018 // 设置闪烁 1019 self.state.blink = true; 1020 } 1021 1022 7 => { 1023 // 设置反显（前景色与背景色对调） 1024 self.state.reverse = true; 1025 } 1026 1027 10 => { 1028 // 选择主要字体 1029 todo!() 1030 } 1031 1032 11 => { 1033 // 选择第一个替代字体 1034 todo!() 1035 } 1036 1037 12 => { 1038 // 选择第二个替代字体 1039 todo!() 1040 } 1041 1042 22 => { 1043 // 关闭粗体和半亮度，恢复正常亮度 1044 self.state.intensity = VirtualConsoleIntensity::Normal; 1045 } 1046 1047 23 => { 1048 // 关闭斜体 1049 self.state.italic = false; 1050 } 1051 1052 24 => { 1053 // 关闭下划线 1054 self.state.underline = false; 1055 } 1056 1057 25 => { 1058 // 关闭字符闪烁 1059 self.state.blink = false; 1060 } 1061 1062 27 => { 1063 // 关闭反显 1064 self.state.reverse = false; 1065 } 1066 1067 38 => { 1068 // 设置前景色 1069 let (idx, color) = self.t416_color(i); 1070 i = idx; 1071 if let Some(color) = color { 1072 let mut max = color.red.max(color.green); 1073 max = max.max(color.blue); 1074 1075 let mut hue = 0; 1076 if color.red > max / 2 { 1077 hue |= 4; 1078 } 1079 if color.green > max / 2 { 1080 hue |= 2; 1081 } 1082 if color.blue > max / 2 { 1083 hue |= 1; 1084 } 1085 1086 if hue == 7 && max <= 0x55 { 1087 hue = 0; 1088 self.state.intensity = VirtualConsoleIntensity::Bold; 1089 } else if max > 0xaa { 1090 self.state.intensity = VirtualConsoleIntensity::Bold; 1091 } else { 1092 self.state.intensity = VirtualConsoleIntensity::Normal; 1093 } 1094 1095 self.state.color = (self.state.color & 0xf0) | hue; 1096 } 1097 } 1098 1099 48 => { 1100 // 设置背景色 1101 let (idx, color) = self.t416_color(i); 1102 i = idx; 1103 if let Some(color) = color { 1104 self.state.color = (self.state.color & 0x0f) 1105 | ((color.red as u8 & 0x80) >> 1) 1106 | ((color.green as u8 & 0x80) >> 2) 1107 | ((color.blue as u8 & 0x80) >> 3); 1108 } 1109 } 1110 1111 39 => { 1112 // 恢复默认前景色 1113 self.state.color = (self.def_color & 0x0f) | (self.state.color & 0xf0); 1114 } 1115 1116 49 => { 1117 // 恢复默认背景色 1118 self.state.color = (self.def_color & 0xf0) | (self.state.color & 0x0f); 1119 } 1120 1121 _ => { 1122 if self.par[i] >= 90 && self.par[i] <= 107 { 1123 if self.par[i] < 100 { 1124 self.state.intensity = VirtualConsoleIntensity::Bold; 1125 } 1126 self.par[i] -= 60; 1127 } 1128 1129 if self.par[i] >= 30 && self.par[i] <= 37 { 1130 self.state.color = 1131 COLOR_TABLE[self.par[i] as usize - 30] | self.state.color & 0xf0; 1132 } else if self.par[i] >= 40 && self.par[i] <= 47 { 1133 self.state.color = 1134 (COLOR_TABLE[self.par[i] as usize - 40] << 4) | self.state.color & 0xf0; 1135 } 1136 } 1137 } 1138 1139 i += 1; 1140 } 1141 1142 self.update_attr(); 1143 } 1144 1145 /// ## 处理Control Sequence Introducer（控制序列引导符） J字符 1146 /// 该命令用于擦除终端显示区域的部分或全部内容。根据参数 vpar 的不同值，执行不同的擦除操作： 1147 /// - vpar 为 0 时，擦除从光标位置到显示区域末尾的内容； 1148 /// - vpar 为 1 时，擦除从显示区域起始位置到光标位置的内容； 1149 /// - vpar 为 2 或 3 时，分别表示擦除整个显示区域的内容，其中参数 3 还会清除回滚缓冲区的内容。 1150 #[allow(non_snake_case)] 1151 fn csi_J(&mut self, vpar: u32) { 1152 let count; 1153 let start; 1154 1155 match vpar { 1156 0 => { 1157 // 擦除从光标位置到显示区域末尾的内容 1158 count = self.screen_buf.len() - self.pos; 1159 start = self.pos; 1160 } 1161 1 => { 1162 // 擦除从显示区域起始位置到光标位置的内容 1163 count = self.pos; 1164 start = 0; 1165 } 1166 2 => { 1167 // 擦除整个显示区域的内容 1168 count = self.screen_buf.len(); 1169 start = 0; 1170 } 1171 3 => { 1172 // 表示擦除整个显示区域的内容，还会清除回滚缓冲区的内容 1173 // TODO:当前未实现回滚缓冲 1174 count = self.screen_buf.len(); 1175 start = 0; 1176 } 1177 _ => { 1178 return; 1179 } 1180 } 1181 1182 for i in self.screen_buf[start..(start + count)].iter_mut() { 1183 *i = self.erase_char; 1184 } 1185 1186 if self.should_update() { 1187 self.do_update_region(start, count) 1188 } 1189 1190 self.need_wrap = false; 1191 } 1192 1193 /// ## 处理Control Sequence Introducer（控制序列引导符） K字符 1194 /// 该命令用于擦除终端当前行的部分或全部内容。根据参数 vpar 的不同值，执行不同的擦除操作： 1195 /// - vpar 为 0 时，擦除从光标位置到该行末尾的内容 1196 /// - vpar 为 1 时，擦除从该行起始位置到光标位置的内容 1197 /// - vpar 为 2 时，擦除整个行。 1198 #[allow(non_snake_case)] 1199 fn csi_K(&mut self, vpar: u32) { 1200 let count; 1201 let start; 1202 1203 match vpar { 1204 0 => { 1205 // 擦除从光标位置到该行末尾的内容 1206 count = self.cols - self.state.x; 1207 start = self.pos; 1208 } 1209 1 => { 1210 // 擦除从该行起始位置到光标位置的内容 1211 count = self.state.x + 1; 1212 start = self.pos - self.state.x; 1213 } 1214 2 => { 1215 // 擦除整个行 1216 count = self.cols; 1217 start = self.pos - self.state.x; 1218 } 1219 _ => { 1220 return; 1221 } 1222 } 1223 1224 let max_idx = self.screen_buf.len(); 1225 for i in self.screen_buf[start..max_idx.min(start + count)].iter_mut() { 1226 *i = self.erase_char; 1227 } 1228 1229 if self.should_update() { 1230 self.do_update_region(start, count.min(max_idx - start)) 1231 } 1232 1233 self.need_wrap = false; 1234 } 1235 1236 fn t416_color(&mut self, mut idx: usize) -> (usize, Option<Color>) { 1237 idx += 1; 1238 if idx > self.npar as usize { 1239 return (idx, None); 1240 } 1241 1242 if self.par[idx] == 5 && idx < self.npar as usize { 1243 // 256色 1244 idx += 1; 1245 return (idx, Some(Color::from_256(self.par[idx]))); 1246 } else if self.par[idx] == 2 && idx + 3 <= self.npar as usize { 1247 // 24位 1248 let color = Color { 1249 red: self.par[idx + 1] as u16, 1250 green: self.par[idx + 2] as u16, 1251 blue: self.par[idx + 3] as u16, 1252 ..Default::default() 1253 }; 1254 idx += 3; 1255 return (idx, Some(color)); 1256 } else { 1257 return (idx, None); 1258 } 1259 } 1260 1261 /// ## 处理终端控制字符 1262 #[inline(never)] 1263 pub(super) fn do_control(&mut self, ch: u32) { 1264 // 首先检查是否处于 ANSI 控制字符串状态 1265 if self.vc_state.is_ansi_control_string() && (8..=13).contains(&ch) { 1266 return; 1267 } 1268 1269 match ch { 1270 0 => { 1271 return; 1272 } 1273 7 => { 1274 // BEL 1275 if self.vc_state.is_ansi_control_string() { 1276 self.vc_state = VirtualConsoleState::ESnormal; 1277 } 1278 // TODO: 发出声音？ 1279 return; 1280 } 1281 8 => { 1282 // BS backspace 1283 self.backspace(); 1284 return; 1285 } 1286 9 => { 1287 // 水平制表符（Horizontal Tab） 1288 self.pos -= self.state.x; 1289 1290 let ret = self.tab_stop.next_index(self.state.x + 1); 1291 1292 if let Some(x) = ret { 1293 self.state.x = x; 1294 } else { 1295 self.state.x = self.cols - 1; 1296 } 1297 1298 self.pos += self.state.x; 1299 // TODO: notify 1300 return; 1301 } 1302 10..=12 => { 1303 // LD line feed 1304 self.line_feed(); 1305 // TODO: 检查键盘模式 1306 self.carriage_return(); 1307 return; 1308 } 1309 13 => { 1310 // CR 回车符 1311 self.carriage_return(); 1312 return; 1313 } 1314 14 => { 1315 todo!("Gx_charset todo!"); 1316 } 1317 15 => { 1318 todo!("Gx_charset todo!"); 1319 } 1320 24 | 26 => { 1321 self.vc_state = VirtualConsoleState::ESnormal; 1322 return; 1323 } 1324 27 => { 1325 // esc 1326 self.vc_state = VirtualConsoleState::ESesc; 1327 return; 1328 } 1329 127 => { 1330 // delete 1331 self.delete(); 1332 return; 1333 } 1334 155 => { 1335 // '[' 1336 self.vc_state = VirtualConsoleState::ESsquare; 1337 return; 1338 } 1339 _ => {} 1340 } 1341 1342 match self.vc_state { 1343 VirtualConsoleState::ESesc => { 1344 self.vc_state = VirtualConsoleState::ESnormal; 1345 match ch as u8 as char { 1346 '[' => { 1347 self.vc_state = VirtualConsoleState::ESsquare; 1348 } 1349 ']' => { 1350 self.vc_state = VirtualConsoleState::ESnonstd; 1351 } 1352 '_' => { 1353 self.vc_state = VirtualConsoleState::ESapc; 1354 } 1355 '^' => { 1356 self.vc_state = VirtualConsoleState::ESpm; 1357 } 1358 '%' => { 1359 self.vc_state = VirtualConsoleState::ESpercent; 1360 } 1361 'E' => { 1362 self.carriage_return(); 1363 self.line_feed(); 1364 } 1365 'M' => { 1366 self.reverse_index(); 1367 } 1368 'D' => { 1369 self.line_feed(); 1370 } 1371 'H' => { 1372 if self.state.x < 256 { 1373 self.tab_stop.set(self.state.x, true); 1374 } 1375 } 1376 'P' => { 1377 self.vc_state = VirtualConsoleState::ESdcs; 1378 } 1379 'Z' => { 1380 todo!("Respond ID todo!"); 1381 } 1382 '7' => self.saved_state = self.state.clone(), 1383 '8' => self.restore_cursor(), 1384 '(' => { 1385 self.vc_state = VirtualConsoleState::ESsetG0; 1386 } 1387 ')' => { 1388 self.vc_state = VirtualConsoleState::ESsetG1; 1389 } 1390 '#' => { 1391 self.vc_state = VirtualConsoleState::EShash; 1392 } 1393 'c' => { 1394 self.reset(true); 1395 } 1396 '>' => { 1397 todo!("clr_kbd todo"); 1398 } 1399 '=' => { 1400 todo!("set_kbd todo"); 1401 } 1402 _ => {} 1403 } 1404 } 1405 VirtualConsoleState::ESsquare => { 1406 for i in self.par.iter_mut() { 1407 *i = 0; 1408 } 1409 self.vc_state = VirtualConsoleState::ESgetpars; 1410 self.npar = 0; 1411 let c = ch as u8 as char; 1412 if c == '[' { 1413 self.vc_state = VirtualConsoleState::ESfunckey; 1414 return; 1415 } 1416 1417 match c { 1418 '?' => { 1419 self.private = Vt102_OP::Pdec; 1420 return; 1421 } 1422 '>' => { 1423 self.private = Vt102_OP::Pgt; 1424 return; 1425 } 1426 '=' => { 1427 self.private = Vt102_OP::Peq; 1428 return; 1429 } 1430 '<' => { 1431 self.private = Vt102_OP::Plt; 1432 return; 1433 } 1434 _ => {} 1435 } 1436 1437 self.private = Vt102_OP::Pecma; 1438 self.do_getpars(c); 1439 } 1440 VirtualConsoleState::ESgetpars => { 1441 let c = ch as u8 as char; 1442 self.do_getpars(c); 1443 } 1444 VirtualConsoleState::ESfunckey => { 1445 self.vc_state = VirtualConsoleState::ESnormal; 1446 return; 1447 } 1448 VirtualConsoleState::EShash => { 1449 self.vc_state = VirtualConsoleState::ESnormal; 1450 if ch as u8 as char == '8' { 1451 self.erase_char = (self.erase_char & 0xff00) | 'E' as u16; 1452 self.csi_J(2); 1453 self.erase_char = (self.erase_char & 0xff00) | ' ' as u16; 1454 self.do_update_region(0, self.screen_buf.len()); 1455 } 1456 return; 1457 } 1458 VirtualConsoleState::ESsetG0 => { 1459 todo!("SetGx todo"); 1460 } 1461 VirtualConsoleState::ESsetG1 => { 1462 todo!("SetGx todo"); 1463 } 1464 VirtualConsoleState::ESpercent => { 1465 self.vc_state = VirtualConsoleState::ESnormal; 1466 let c = ch as u8 as char; 1467 match c { 1468 '@' => { 1469 self.utf = false; 1470 return; 1471 } 1472 'G' | '8' => { 1473 self.utf = true; 1474 return; 1475 } 1476 _ => {} 1477 } 1478 return; 1479 } 1480 VirtualConsoleState::EScsiignore => { 1481 if (20..=0x3f).contains(&ch) { 1482 return; 1483 } 1484 self.vc_state = VirtualConsoleState::ESnormal; 1485 return; 1486 } 1487 VirtualConsoleState::ESnonstd => { 1488 let c = ch as u8 as char; 1489 if c == 'P' { 1490 for i in self.par.iter_mut() { 1491 *i = 0; 1492 } 1493 self.npar = 0; 1494 self.vc_state = VirtualConsoleState::ESpalette; 1495 return; 1496 } else if c == 'R' { 1497 self.reset_palette(); 1498 self.vc_state = VirtualConsoleState::ESnormal; 1499 } else if c.is_ascii_digit() { 1500 self.vc_state = VirtualConsoleState::ESosc; 1501 } else { 1502 self.vc_state = VirtualConsoleState::ESnormal; 1503 } 1504 } 1505 VirtualConsoleState::ESpalette => { 1506 let c = ch as u8 as char; 1507 if c.is_ascii_hexdigit() { 1508 self.npar += 1; 1509 self.par[self.npar as usize] = c.to_digit(16).unwrap(); 1510 1511 if self.npar == 7 { 1512 let mut i = self.par[0] as usize; 1513 let mut j = 0; 1514 self.palette[i].red = self.par[j] as u16; 1515 j += 1; 1516 self.palette[i].green = self.par[j] as u16; 1517 j += 1; 1518 self.palette[i].blue = self.par[j] as u16; 1519 j += 1; 1520 i += 1; 1521 self.palette[i].red = self.par[j] as u16; 1522 j += 1; 1523 self.palette[i].green = self.par[j] as u16; 1524 j += 1; 1525 self.palette[i].blue = self.par[j] as u16; 1526 self.set_palette(); 1527 self.vc_state = VirtualConsoleState::ESnormal; 1528 } 1529 } 1530 } 1531 VirtualConsoleState::ESosc => {} 1532 VirtualConsoleState::ESapc => {} 1533 VirtualConsoleState::ESpm => {} 1534 VirtualConsoleState::ESdcs => {} 1535 VirtualConsoleState::ESnormal => {} 1536 } 1537 } 1538 1539 #[inline(never)] 1540 pub(super) fn console_write_normal( 1541 &mut self, 1542 mut tc: u32, 1543 c: u32, 1544 draw: &mut DrawRegion, 1545 ) -> bool { 1546 let mut attr = self.attr; 1547 let himask = self.hi_font_mask; 1548 let charmask = if himask == 0 { 0xff } else { 0x1ff }; 1549 let mut width = 1; 1550 // 表示需不需要反转 1551 let mut invert = false; 1552 if self.utf && !self.display_ctrl && FontDesc::is_double_width(c) { 1553 width = 2; 1554 } 1555 1556 let tmp = self.unicode_to_index(tc); 1557 if tmp & (!charmask as i32) != 0 { 1558 if tmp == -1 || tmp == -2 { 1559 return false; 1560 } 1561 1562 // 未找到 1563 if (!self.utf || self.display_ctrl || c < 128) && c & !charmask == 0 { 1564 tc = c; 1565 } else { 1566 let tmp = self.unicode_to_index(0xfffd); 1567 if tmp < 0 { 1568 invert = true; 1569 let tmp = self.unicode_to_index('?' as u32); 1570 if tmp < 0 { 1571 tc = '?' as u32; 1572 } else { 1573 tc = tmp as u32; 1574 } 1575 1576 attr = self.invert_attr(); 1577 self.flush(draw); 1578 } 1579 } 1580 } 1581 1582 loop { 1583 if self.need_wrap || self.insert_mode { 1584 self.flush(draw); 1585 } 1586 if self.need_wrap { 1587 self.carriage_return(); 1588 self.line_feed(); 1589 } 1590 1591 if self.insert_mode { 1592 self.insert_char(1); 1593 } 1594 1595 // TODO: 处理unicode screen buf 1596 1597 if himask != 0 { 1598 tc = (if tc & 0x100 != 0 { himask as u32 } else { 0 }) | (tc & 0xff); 1599 } 1600 1601 tc |= ((attr as u32) << 8) & (!himask as u32); 1602 1603 // kwarn!( 1604 // "ch {} pos {} x {} y {} cols {}", 1605 // c as u8 as char, 1606 // self.pos, 1607 // self.state.x, 1608 // self.state.y, 1609 // self.cols, 1610 // ); 1611 self.screen_buf[self.pos] = tc as u16; 1612 1613 if draw.x.is_none() { 1614 // 设置draw参数 1615 draw.x = Some(self.state.x as u32); 1616 draw.offset = self.pos; 1617 } 1618 1619 if self.state.x == self.cols - 1 { 1620 // 需要换行？ 1621 self.need_wrap = self.autowrap; 1622 draw.size += 1; 1623 } else { 1624 self.state.x += 1; 1625 self.pos += 1; 1626 draw.size += 1; 1627 } 1628 1629 width -= 1; 1630 if width == 0 { 1631 break; 1632 } 1633 let tmp = self.unicode_to_index(' ' as u32); 1634 tc = if tmp < 0 { ' ' as u32 } else { tmp as u32 }; 1635 } 1636 1637 if invert { 1638 self.flush(draw); 1639 } 1640 1641 true 1642 } 1643 1644 /// ## 当前vc插入nr个字符 1645 fn insert_char(&mut self, nr: usize) { 1646 // TODO: 管理unicode屏幕信息 1647 1648 let pos = self.pos; 1649 // 把当前位置以后得字符向后移动nr*2位 1650 self.screen_buf[pos..].rotate_right(nr * 2); 1651 1652 // 把空出来的位置用erase_char填充 1653 for c in &mut self.screen_buf[pos..(pos + nr * 2)] { 1654 *c = self.erase_char 1655 } 1656 1657 self.need_wrap = false; 1658 1659 // 更新本行后面部分 1660 self.do_update_region(self.pos, self.cols - self.state.x); 1661 } 1662 1663 /// ## 更新虚拟控制台指定区域的显示 1664 fn do_update_region(&self, mut start: usize, mut count: usize) { 1665 let ret = self.driver_funcs().con_getxy(self, start); 1666 let (mut x, mut y) = if let Ok((_, tmp_x, tmp_y)) = ret { 1667 // start = tmp_start; 1668 (tmp_x, tmp_y) 1669 } else { 1670 (start % self.cols, start / self.cols) 1671 }; 1672 1673 loop { 1674 // 记录当前字符的属性 1675 let mut attr = self.screen_buf[start] & 0xff00; 1676 let mut startx = x; 1677 let mut size = 0; 1678 1679 while count != 0 && x < self.cols { 1680 // 检查属性是否变化，如果属性变了，则将前一个字符先输出 1681 if attr != (self.screen_buf[start] & 0xff00) && size > 0 { 1682 let _ = self.driver_funcs().con_putcs( 1683 self, 1684 &self.screen_buf[start..], 1685 size, 1686 y as u32, 1687 startx as u32, 1688 ); 1689 startx = x; 1690 start += size; 1691 size = 0; 1692 attr = self.screen_buf[start] & 0xff00; 1693 } 1694 size += 1; 1695 x += 1; 1696 count -= 1; 1697 } 1698 1699 if size > 0 { 1700 let _ = self.driver_funcs().con_putcs( 1701 self, 1702 &self.screen_buf[start..], 1703 size, 1704 y as u32, 1705 startx as u32, 1706 ); 1707 } 1708 if count == 0 { 1709 break; 1710 } 1711 1712 // 一行 1713 x = 0; 1714 y += 1; 1715 1716 let ret = self.driver_funcs().con_getxy(self, start); 1717 if let Ok(ret) = ret { 1718 start = ret.0; 1719 } else { 1720 return; 1721 } 1722 } 1723 } 1724 1725 const UNI_DIRECT_MAKS: u32 = 0x01ff; 1726 const UNI_DIRECT_BASE: u32 = 0xf000; 1727 /// ## unicode字符转对应的坐标，暂时这样写，还没有适配unicode 1728 /// 这里是糊代码的，后面重写 1729 fn unicode_to_index(&self, ch: u32) -> i32 { 1730 if ch > 0xfff { 1731 // 未找到 1732 return -4; 1733 } else if ch < 0x20 { 1734 // 不可打印 1735 return -1; 1736 } else if ch == 0xfeff || (0x200b..=0x200f).contains(&ch) { 1737 // 零长空格 1738 return -2; 1739 } else if (ch & !Self::UNI_DIRECT_MAKS) == Self::UNI_DIRECT_BASE { 1740 return (ch & Self::UNI_DIRECT_MAKS) as i32; 1741 } 1742 1743 // TODO: 暂时这样写，表示不支持 1744 return -3; 1745 } 1746 1747 fn invert_attr(&self) -> u8 { 1748 if !self.color_mode { 1749 return self.attr ^ 0x08; 1750 } 1751 1752 if self.hi_font_mask == 0x100 { 1753 return (self.attr & 0x11) | ((self.attr & 0xe0) >> 4) | ((self.attr & 0x0e) << 4); 1754 } 1755 1756 return (self.attr & 0x88) | ((self.attr & 0x70) >> 4) | ((self.attr & 0x07) << 4); 1757 } 1758 1759 pub(super) fn flush(&self, draw: &mut DrawRegion) { 1760 if draw.x.is_none() { 1761 return; 1762 } 1763 1764 let _ = self.driver_funcs().con_putcs( 1765 self, 1766 &self.screen_buf[draw.offset..draw.offset + draw.size], 1767 draw.size, 1768 self.state.y as u32, 1769 draw.x.unwrap(), 1770 ); 1771 1772 draw.x = None; 1773 draw.size = 0; 1774 } 1775 1776 fn build_attr( 1777 &self, 1778 color: u8, 1779 intensity: VirtualConsoleIntensity, 1780 blink: bool, 1781 underline: bool, 1782 reverse: bool, 1783 italic: bool, 1784 ) -> u8 { 1785 let ret = self 1786 .driver_funcs() 1787 .con_build_attr(self, color, intensity, blink, underline, reverse, italic); 1788 1789 if let Ok(ret) = ret { 1790 return ret; 1791 } 1792 1793 let mut ret = color; 1794 1795 if !self.color_mode { 1796 return intensity as u8 1797 | (italic as u8) << 1 1798 | (underline as u8) << 2 1799 | (reverse as u8) << 3 1800 | (blink as u8) << 7; 1801 } 1802 1803 if italic { 1804 ret = (ret & 0xf0) | self.italic_color as u8; 1805 } else if underline { 1806 ret = (ret & 0xf0) | self.underline_color as u8; 1807 } else if intensity == VirtualConsoleIntensity::HalfBright { 1808 ret = (ret & 0xf0) | self.half_color as u8; 1809 } 1810 1811 if reverse { 1812 ret = (ret & 0x88) | (((ret >> 4) | (ret << 4)) & 0x77); 1813 } 1814 1815 if blink { 1816 ret ^= 0x80; 1817 } 1818 1819 if intensity == VirtualConsoleIntensity::Bold { 1820 ret ^= 0x08; 1821 } 1822 1823 if self.hi_font_mask == 0x100 { 1824 ret <<= 1; 1825 } 1826 1827 ret 1828 } 1829 1830 pub(super) fn update_attr(&mut self) { 1831 self.attr = self.build_attr( 1832 self.state.color, 1833 self.state.intensity, 1834 self.state.blink, 1835 self.state.underline, 1836 self.state.reverse ^ self.screen_mode, 1837 self.state.italic, 1838 ); 1839 1840 self.erase_char = ' ' as u16 1841 | ((self.build_attr( 1842 self.state.color, 1843 VirtualConsoleIntensity::Normal, 1844 self.state.blink, 1845 false, 1846 self.screen_mode, 1847 false, 1848 ) as u16) 1849 << 8); 1850 } 1851 1852 fn default_attr(&mut self) { 1853 self.state.intensity = VirtualConsoleIntensity::Normal; 1854 self.state.italic = false; 1855 self.state.underline = false; 1856 self.state.reverse = false; 1857 self.state.blink = false; 1858 self.state.color = self.def_color; 1859 } 1860 } 1861 1862 /// ## 虚拟控制台的状态信息 1863 #[derive(Debug, Default, Clone)] 1864 pub struct VirtualConsoleInfo { 1865 // x,y表示光标坐标 1866 pub x: usize, 1867 pub y: usize, 1868 pub color: u8, 1869 1870 /// 表示字符的强度 1871 intensity: VirtualConsoleIntensity, 1872 /// 斜体 1873 italic: bool, 1874 /// 下划线 1875 underline: bool, 1876 /// 字符闪烁 1877 blink: bool, 1878 /// 前景与背景色反转 1879 reverse: bool, 1880 } 1881 1882 impl VirtualConsoleInfo { 1883 pub fn new(x: usize, y: usize) -> Self { 1884 Self { 1885 x, 1886 y, 1887 color: Default::default(), 1888 intensity: Default::default(), 1889 italic: Default::default(), 1890 underline: Default::default(), 1891 blink: Default::default(), 1892 reverse: Default::default(), 1893 } 1894 } 1895 } 1896 1897 /// 字符强度 1898 #[derive(Debug, Clone, PartialEq, Copy)] 1899 pub enum VirtualConsoleIntensity { 1900 /// 暗淡 1901 HalfBright = 0, 1902 /// 正常 1903 Normal = 1, 1904 /// 粗体 1905 Bold = 2, 1906 } 1907 1908 impl Default for VirtualConsoleIntensity { 1909 fn default() -> Self { 1910 Self::Normal 1911 } 1912 } 1913 1914 /// ## 虚拟控制台的状态 1915 /// 1916 /// 可以把VC的接收字符理解为一个状态机 1917 #[derive(Debug, PartialEq, Clone)] 1918 pub enum VirtualConsoleState { 1919 /// 正常状态 1920 ESnormal, 1921 /// 收到了转义字符 \e，即"Escape"字符 1922 ESesc, 1923 /// 收到了 "[" 字符，通常是 ANSI 控制序列的开始 1924 ESsquare, 1925 /// 解析参数状态 1926 ESgetpars, 1927 /// 功能键状态 1928 ESfunckey, 1929 /// 收到了 "#" 字符 1930 EShash, 1931 /// 设置 G0 字符集状态 1932 ESsetG0, 1933 /// 设置 G1 字符集状态 1934 ESsetG1, 1935 /// 收到了 "%" 字符 1936 ESpercent, 1937 /// 忽略 ANSI 控制序列状态 1938 EScsiignore, 1939 /// 非标准字符状态 1940 ESnonstd, 1941 /// 调色板状态 1942 ESpalette, 1943 /// Operating System Command (OSC) 状态 1944 ESosc, 1945 /// Application Program Command (APC) 状态 1946 ESapc, 1947 /// Privacy Message (PM) 状态 1948 ESpm, 1949 /// Device Control String (DCS) 状态 1950 ESdcs, 1951 } 1952 1953 impl VirtualConsoleState { 1954 pub fn is_ansi_control_string(&self) -> bool { 1955 if *self == Self::ESosc 1956 || *self == Self::ESapc 1957 || *self == Self::ESpm 1958 || *self == Self::ESdcs 1959 { 1960 return true; 1961 } 1962 1963 false 1964 } 1965 } 1966 1967 #[derive(Debug, Clone, PartialEq, PartialOrd)] 1968 #[allow(non_camel_case_types)] 1969 pub enum Vt102_OP { 1970 Pecma, 1971 Pdec, 1972 Peq, 1973 Pgt, 1974 Plt, 1975 } 1976 1977 bitflags! { 1978 #[derive(Default)] 1979 pub struct VcCursor: u32 { 1980 /// 默认 1981 const CUR_DEF = 0; 1982 /// 无光标 1983 const CUR_NONE = 1; 1984 /// 下划线形式 1985 const CUR_UNDERLINE = 2; 1986 /// 光标占据底部的三分之一 1987 const CUR_LOWER_THIRD = 3; 1988 /// 光标占据底部的一半 1989 const CUR_LOWER_HALF = 4; 1990 /// 光标占据底部的三分之二 1991 const CUR_TWO_THIRDS = 5; 1992 /// 光标为块状（方块）形式 1993 const CUR_BLOCK = 6; 1994 /// 光标属性，用于指示软件光标 1995 const CUR_SW = 0x000010; 1996 /// 光标属性，用于指示光标是否始终在背景上显示 1997 const CUR_ALWAYS_BG = 0x000020; 1998 /// 光标属性，用于指示前景和背景是否反转 1999 const CUR_INVERT_FG_BG = 0x000040; 2000 /// 光标前景色属性，用于指定光标的前景色 2001 const CUR_FG = 0x000700; 2002 /// 光标背景色属性，用于指定光标的背景色 2003 const CUR_BG = 0x007000; 2004 } 2005 } 2006 2007 impl VcCursor { 2008 pub fn make_cursor(size: u32, change: u32, set: u32) -> Self { 2009 unsafe { Self::from_bits_unchecked(size | (change << 8) | (set << 16)) } 2010 } 2011 2012 pub fn cursor_size(&self) -> Self { 2013 Self::from_bits_truncate(self.bits & 0x00000f) 2014 } 2015 2016 pub fn cursor_set(&self) -> u32 { 2017 (self.bits & 0xff0000) >> 8 2018 } 2019 2020 pub fn cursor_change(&self) -> u32 { 2021 self.bits & 0x00ff00 2022 } 2023 } 2024 2025 #[derive(Debug, PartialEq)] 2026 #[allow(dead_code)] 2027 pub enum CursorOperation { 2028 Draw, 2029 Erase, 2030 Move, 2031 } 2032 2033 #[derive(Debug, PartialEq, Clone, Copy)] 2034 pub enum ScrollDir { 2035 Up, 2036 Down, 2037 } 2038