1 use crate::{ 2 driver::{ 3 serial::serial8250::send_to_default_serial8250_port, 4 tty::{tty_port::TTY_PORTS, virtual_terminal::virtual_console::CURRENT_VCNUM}, 5 video::video_refresh_manager, 6 }, 7 kdebug, kinfo, 8 libs::{ 9 lib_ui::font::FONT_8x16, 10 rwlock::RwLock, 11 spinlock::{SpinLock, SpinLockGuard}, 12 }, 13 }; 14 use alloc::{boxed::Box, collections::LinkedList, string::ToString}; 15 use alloc::{sync::Arc, vec::Vec}; 16 use core::{ 17 fmt::Debug, 18 intrinsics::unlikely, 19 ops::{Add, AddAssign, Sub}, 20 sync::atomic::{AtomicBool, AtomicI32, AtomicU32, Ordering}, 21 }; 22 use system_error::SystemError; 23 24 use super::{ 25 screen_manager::{ 26 scm_register, ScmBuffer, ScmBufferInfo, ScmFramworkType, ScmUiFramework, 27 ScmUiFrameworkMetadata, 28 }, 29 textui_no_alloc::no_init_textui_putchar_window, 30 }; 31 32 /// 声明全局的TEXTUI_FRAMEWORK 33 static mut __TEXTUI_FRAMEWORK: Option<Arc<TextUiFramework>> = None; 34 35 /// 每个字符的宽度和高度（像素） 36 pub const TEXTUI_CHAR_WIDTH: u32 = 8; 37 38 pub const TEXTUI_CHAR_HEIGHT: u32 = 16; 39 40 pub static mut TEXTUI_IS_INIT: bool = false; 41 42 static ENABLE_PUT_TO_WINDOW: AtomicBool = AtomicBool::new(false); 43 44 /// 启用将文本输出到窗口的功能。 45 pub fn textui_enable_put_to_window() { 46 ENABLE_PUT_TO_WINDOW.store(true, Ordering::SeqCst); 47 } 48 49 /// 禁用将文本输出到窗口的功能。 50 pub fn textui_disable_put_to_window() { 51 ENABLE_PUT_TO_WINDOW.store(false, Ordering::SeqCst); 52 } 53 54 /// 检查是否启用了将文本输出到窗口的功能。 55 /// 56 /// # 返回 57 /// 如果启用了将文本输出到窗口的功能，则返回 `true`，否则返回 `false`。 58 pub fn textui_is_enable_put_to_window() -> bool { 59 ENABLE_PUT_TO_WINDOW.load(Ordering::SeqCst) 60 } 61 62 /// 获取TEXTUI_FRAMEWORK的可变实例 63 pub fn textui_framework() -> Arc<TextUiFramework> { 64 unsafe { 65 return __TEXTUI_FRAMEWORK 66 .as_ref() 67 .expect("Textui framework has not been initialized yet!") 68 .clone(); 69 } 70 } 71 72 /// 初始化TEXTUI_FRAMEWORK 73 fn textui_framwork_init() { 74 if unsafe { __TEXTUI_FRAMEWORK.is_none() } { 75 kinfo!("textuiframework init"); 76 let metadata = ScmUiFrameworkMetadata::new("TextUI".to_string(), ScmFramworkType::Text); 77 kdebug!("textui metadata: {:?}", metadata); 78 // 为textui框架生成第一个窗口 79 let vlines_num = (metadata.buf_info().height() / TEXTUI_CHAR_HEIGHT) as usize; 80 81 let chars_num = (metadata.buf_info().width() / TEXTUI_CHAR_WIDTH) as usize; 82 83 let initial_window = TextuiWindow::new( 84 WindowFlag::TEXTUI_CHROMATIC, 85 vlines_num as i32, 86 chars_num as i32, 87 ); 88 89 let current_window: Arc<SpinLock<TextuiWindow>> = Arc::new(SpinLock::new(initial_window)); 90 91 let default_window = current_window.clone(); 92 93 // 生成窗口链表，并把上面窗口添加进textui框架的窗口链表中 94 let window_list: Arc<SpinLock<LinkedList<Arc<SpinLock<TextuiWindow>>>>> = 95 Arc::new(SpinLock::new(LinkedList::new())); 96 window_list.lock().push_back(current_window.clone()); 97 98 unsafe { 99 __TEXTUI_FRAMEWORK = Some(Arc::new(TextUiFramework::new( 100 metadata, 101 window_list, 102 current_window, 103 default_window, 104 ))) 105 }; 106 107 scm_register(textui_framework()).expect("register textui framework failed"); 108 kdebug!("textui framework init success"); 109 110 send_to_default_serial8250_port("\ntext ui initialized\n\0".as_bytes()); 111 unsafe { TEXTUI_IS_INIT = true }; 112 } else { 113 panic!("Try to init TEXTUI_FRAMEWORK twice!"); 114 } 115 } 116 // window标志位 117 bitflags! { 118 pub struct WindowFlag: u8 { 119 // 采用彩色字符 120 const TEXTUI_CHROMATIC = 1 << 0; 121 } 122 } 123 124 /** 125 * @brief 黑白字符对象 126 * 127 */ 128 #[derive(Clone, Debug)] 129 struct TextuiCharNormal { 130 _data: u8, 131 } 132 133 #[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash, Default)] 134 pub struct LineId(i32); 135 impl LineId { 136 pub fn new(num: i32) -> Self { 137 LineId(num) 138 } 139 140 pub fn check(&self, max: i32) -> bool { 141 self.0 < max && self.0 >= 0 142 } 143 144 pub fn data(&self) -> i32 { 145 self.0 146 } 147 } 148 impl Add<i32> for LineId { 149 type Output = LineId; 150 fn add(self, rhs: i32) -> Self::Output { 151 LineId::new(self.0 + rhs) 152 } 153 } 154 impl Sub<i32> for LineId { 155 type Output = LineId; 156 157 fn sub(self, rhs: i32) -> Self::Output { 158 LineId::new(self.0 - rhs) 159 } 160 } 161 impl From<LineId> for i32 { 162 fn from(value: LineId) -> Self { 163 value.0 164 } 165 } 166 impl From<LineId> for u32 { 167 fn from(value: LineId) -> Self { 168 value.0 as u32 169 } 170 } 171 impl From<LineId> for usize { 172 fn from(value: LineId) -> Self { 173 value.0 as usize 174 } 175 } 176 impl Sub<LineId> for LineId { 177 type Output = LineId; 178 179 fn sub(mut self, rhs: LineId) -> Self::Output { 180 self.0 -= rhs.0; 181 return self; 182 } 183 } 184 impl AddAssign<LineId> for LineId { 185 fn add_assign(&mut self, rhs: LineId) { 186 self.0 += rhs.0; 187 } 188 } 189 #[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash, Default)] 190 pub struct LineIndex(i32); 191 impl LineIndex { 192 pub fn new(num: i32) -> Self { 193 LineIndex(num) 194 } 195 pub fn check(&self, chars_per_line: i32) -> bool { 196 self.0 < chars_per_line && self.0 >= 0 197 } 198 } 199 impl Add<LineIndex> for LineIndex { 200 type Output = LineIndex; 201 202 fn add(self, rhs: LineIndex) -> Self::Output { 203 LineIndex::new(self.0 + rhs.0) 204 } 205 } 206 impl Add<i32> for LineIndex { 207 // type Output = Self; 208 type Output = LineIndex; 209 210 fn add(self, rhs: i32) -> Self::Output { 211 LineIndex::new(self.0 + rhs) 212 } 213 } 214 impl Sub<i32> for LineIndex { 215 type Output = LineIndex; 216 217 fn sub(self, rhs: i32) -> Self::Output { 218 LineIndex::new(self.0 - rhs) 219 } 220 } 221 222 impl From<LineIndex> for i32 { 223 fn from(val: LineIndex) -> Self { 224 val.0 225 } 226 } 227 impl From<LineIndex> for u32 { 228 fn from(value: LineIndex) -> Self { 229 value.0 as u32 230 } 231 } 232 impl From<LineIndex> for usize { 233 fn from(value: LineIndex) -> Self { 234 value.0 as usize 235 } 236 } 237 #[derive(Copy, Clone, Debug)] 238 pub struct FontColor(u32); 239 #[allow(dead_code)] 240 impl FontColor { 241 pub const BLUE: FontColor = FontColor::new(0, 0, 0xff); 242 pub const RED: FontColor = FontColor::new(0xff, 0, 0); 243 pub const GREEN: FontColor = FontColor::new(0, 0xff, 0); 244 pub const WHITE: FontColor = FontColor::new(0xff, 0xff, 0xff); 245 pub const BLACK: FontColor = FontColor::new(0, 0, 0); 246 pub const YELLOW: FontColor = FontColor::new(0xff, 0xff, 0); 247 pub const ORANGE: FontColor = FontColor::new(0xff, 0x80, 0); 248 pub const INDIGO: FontColor = FontColor::new(0x00, 0xff, 0xff); 249 pub const PURPLE: FontColor = FontColor::new(0x80, 0x00, 0xff); 250 251 pub const fn new(r: u8, g: u8, b: u8) -> Self { 252 let val = ((r as u32) << 16) | ((g as u32) << 8) | (b as u32); 253 return FontColor(val & 0x00ffffff); 254 } 255 } 256 257 impl From<u32> for FontColor { 258 fn from(value: u32) -> Self { 259 return Self(value & 0x00ffffff); 260 } 261 } 262 impl From<FontColor> for usize { 263 fn from(value: FontColor) -> Self { 264 value.0 as usize 265 } 266 } 267 impl From<FontColor> for u32 { 268 fn from(value: FontColor) -> Self { 269 value.0 270 } 271 } 272 impl From<FontColor> for u16 { 273 fn from(value: FontColor) -> Self { 274 value.0 as u16 275 } 276 } 277 impl From<FontColor> for u64 { 278 fn from(value: FontColor) -> Self { 279 value.0 as u64 280 } 281 } 282 283 /// 彩色字符对象 284 285 #[derive(Clone, Debug, Copy)] 286 pub struct TextuiCharChromatic { 287 c: Option<char>, 288 289 // 前景色 290 frcolor: FontColor, // rgb 291 292 // 背景色 293 bkcolor: FontColor, // rgb 294 } 295 296 #[derive(Debug)] 297 pub struct TextuiBuf<'a> { 298 buf: Option<&'a mut [u32]>, 299 guard: Option<SpinLockGuard<'a, Box<[u32]>>>, 300 } 301 302 impl TextuiBuf<'_> { 303 pub fn new(buf: &mut ScmBufferInfo) -> TextuiBuf { 304 let len = buf.buf_size() / 4; 305 306 match &buf.buf { 307 ScmBuffer::DeviceBuffer(vaddr) => { 308 return TextuiBuf { 309 buf: Some(unsafe { 310 core::slice::from_raw_parts_mut(vaddr.data() as *mut u32, len) 311 }), 312 guard: None, 313 }; 314 } 315 316 ScmBuffer::DoubleBuffer(double_buffer) => { 317 let guard: SpinLockGuard<'_, Box<[u32]>> = double_buffer.lock(); 318 319 return TextuiBuf { 320 buf: None, 321 guard: Some(guard), 322 }; 323 } 324 } 325 } 326 327 pub fn buf_mut(&mut self) -> &mut [u32] { 328 if let Some(buf) = &mut self.buf { 329 return buf; 330 } else { 331 return self.guard.as_mut().unwrap().as_mut(); 332 } 333 } 334 pub fn put_color_in_pixel(&mut self, color: u32, index: usize) { 335 let buf: &mut [u32] = self.buf_mut(); 336 buf[index] = color; 337 } 338 pub fn get_index_of_next_line(now_index: usize) -> usize { 339 textui_framework().metadata.read().buf_info().width() as usize + now_index 340 } 341 pub fn get_index_by_x_y(x: usize, y: usize) -> usize { 342 textui_framework().metadata.read().buf_info().width() as usize * y + x 343 } 344 pub fn get_start_index_by_lineid_lineindex(lineid: LineId, lineindex: LineIndex) -> usize { 345 // x 左上角列像素点位置 346 // y 左上角行像素点位置 347 let index_x: u32 = lineindex.into(); 348 let x: u32 = index_x * TEXTUI_CHAR_WIDTH; 349 350 let id_y: u32 = lineid.into(); 351 let y: u32 = id_y * TEXTUI_CHAR_HEIGHT; 352 353 TextuiBuf::get_index_by_x_y(x as usize, y as usize) 354 } 355 } 356 357 #[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)] 358 pub struct Font([u8; 16]); 359 impl Font { 360 #[inline] 361 pub fn get_font(character: char) -> Font { 362 let x = FONT_8x16.char_map(character); 363 364 let mut data = [0u8; 16]; 365 data.copy_from_slice(x); 366 return Font(data); 367 } 368 pub fn is_frcolor(&self, height: usize, width: usize) -> bool { 369 let w = self.0[height]; 370 let testbit = 1 << (8 - width); 371 w & testbit != 0 372 } 373 } 374 375 impl TextuiCharChromatic { 376 pub fn new(c: Option<char>, frcolor: FontColor, bkcolor: FontColor) -> Self { 377 TextuiCharChromatic { 378 c, 379 frcolor, 380 bkcolor, 381 } 382 } 383 384 /// 将该字符对象输出到缓冲区 385 /// ## 参数 386 /// -line_id 要放入的真实行号 387 /// -index 要放入的真实列号 388 pub fn textui_refresh_character( 389 &self, 390 lineid: LineId, 391 lineindex: LineIndex, 392 ) -> Result<i32, SystemError> { 393 // 找到要渲染的字符的像素点数据 394 395 let font: Font = Font::get_font(self.c.unwrap_or(' ')); 396 397 let mut count = TextuiBuf::get_start_index_by_lineid_lineindex(lineid, lineindex); 398 399 let mut _binding = textui_framework().metadata.read().buf_info(); 400 401 let mut buf = TextuiBuf::new(&mut _binding); 402 403 // 在缓冲区画出一个字体，每个字体有TEXTUI_CHAR_HEIGHT行，TEXTUI_CHAR_WIDTH列个像素点 404 for i in 0..TEXTUI_CHAR_HEIGHT { 405 let start = count; 406 for j in 0..TEXTUI_CHAR_WIDTH { 407 if font.is_frcolor(i as usize, j as usize) { 408 // 字，显示前景色 409 buf.put_color_in_pixel(self.frcolor.into(), count); 410 } else { 411 // 背景色 412 buf.put_color_in_pixel(self.bkcolor.into(), count); 413 } 414 count += 1; 415 } 416 count = TextuiBuf::get_index_of_next_line(start); 417 } 418 419 return Ok(0); 420 } 421 422 pub fn no_init_textui_render_chromatic(&self, lineid: LineId, lineindex: LineIndex) { 423 // 找到要渲染的字符的像素点数据 424 let font = Font::get_font(self.c.unwrap_or(' ')); 425 426 // x 左上角列像素点位置 427 // y 左上角行像素点位置 428 let index_x: u32 = lineindex.into(); 429 let x: u32 = index_x * TEXTUI_CHAR_WIDTH; 430 431 let id_y: u32 = lineid.into(); 432 let y: u32 = id_y * TEXTUI_CHAR_HEIGHT; 433 434 let buf_width = video_refresh_manager().device_buffer().width(); 435 // 找到输入缓冲区的起始地址位置 436 let buf_start = 437 if let ScmBuffer::DeviceBuffer(vaddr) = video_refresh_manager().device_buffer().buf { 438 vaddr 439 } else { 440 panic!("device buffer is not init"); 441 }; 442 443 let mut testbit: u32; // 用来测试特定行的某列是背景还是字体本身 444 445 // 在缓冲区画出一个字体，每个字体有TEXTUI_CHAR_HEIGHT行，TEXTUI_CHAR_WIDTH列个像素点 446 for i in 0..TEXTUI_CHAR_HEIGHT { 447 // 计算出帧缓冲区每一行打印的起始位置的地址（起始位置+（y+i）*缓冲区的宽度+x） 448 449 let mut addr: *mut u32 = 450 (buf_start + buf_width as usize * 4 * (y as usize + i as usize) + 4 * x as usize) 451 .data() as *mut u32; 452 453 testbit = 1 << (TEXTUI_CHAR_WIDTH + 1); 454 455 for _j in 0..TEXTUI_CHAR_WIDTH { 456 //从左往右逐个测试相应位 457 testbit >>= 1; 458 if (font.0[i as usize] & testbit as u8) != 0 { 459 unsafe { *addr = self.frcolor.into() }; // 字，显示前景色 460 } else { 461 unsafe { *addr = self.bkcolor.into() }; // 背景色 462 } 463 464 unsafe { 465 addr = addr.offset(1); 466 } 467 } 468 } 469 } 470 } 471 472 /// 单色显示的虚拟行结构体 473 474 #[derive(Clone, Debug, Default)] 475 pub struct TextuiVlineNormal { 476 _characters: Vec<TextuiCharNormal>, // 字符对象数组 477 _index: i16, // 当前操作的位置 478 } 479 /// 彩色显示的虚拟行结构体 480 481 #[derive(Clone, Debug, Default)] 482 pub struct TextuiVlineChromatic { 483 chars: Vec<TextuiCharChromatic>, // 字符对象数组 484 index: LineIndex, // 当前操作的位置 485 } 486 impl TextuiVlineChromatic { 487 pub fn new(char_num: usize) -> Self { 488 let mut r = TextuiVlineChromatic { 489 chars: Vec::with_capacity(char_num), 490 index: LineIndex::new(0), 491 }; 492 493 for _ in 0..char_num { 494 r.chars.push(TextuiCharChromatic::new( 495 None, 496 FontColor::BLACK, 497 FontColor::BLACK, 498 )); 499 } 500 501 return r; 502 } 503 } 504 505 #[derive(Clone, Debug)] 506 pub enum TextuiVline { 507 Chromatic(TextuiVlineChromatic), 508 _Normal(TextuiVlineNormal), 509 } 510 511 #[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)] 512 pub struct WindowId(u32); 513 514 impl WindowId { 515 pub fn new() -> Self { 516 static MAX_ID: AtomicU32 = AtomicU32::new(0); 517 return WindowId(MAX_ID.fetch_add(1, Ordering::SeqCst)); 518 } 519 } 520 #[allow(dead_code)] 521 #[derive(Clone, Debug)] 522 pub struct TextuiWindow { 523 // 虚拟行是个循环表，头和尾相接 524 id: WindowId, 525 // 虚拟行总数 526 vline_sum: i32, 527 // 当前已经使用了的虚拟行总数（即在已经输入到缓冲区（之后显示在屏幕上）的虚拟行数量） 528 vlines_used: i32, 529 // 位于最顶上的那一个虚拟行的行号 530 top_vline: LineId, 531 // 储存虚拟行的数组 532 vlines: Vec<TextuiVline>, 533 // 正在操作的vline 534 vline_operating: LineId, 535 // 每行最大容纳的字符数 536 chars_per_line: i32, 537 // 窗口flag 538 flags: WindowFlag, 539 } 540 541 impl TextuiWindow { 542 /// 使用参数初始化window对象 543 /// ## 参数 544 /// 545 /// -flags 标志位 546 /// -vlines_num 虚拟行的总数 547 /// -chars_num 每行最大的字符数 548 549 pub fn new(flags: WindowFlag, vlines_num: i32, chars_num: i32) -> Self { 550 let mut initial_vlines = Vec::new(); 551 552 for _ in 0..vlines_num { 553 let vline = TextuiVlineChromatic::new(chars_num as usize); 554 555 initial_vlines.push(TextuiVline::Chromatic(vline)); 556 } 557 TextuiWindow { 558 id: WindowId::new(), 559 flags, 560 vline_sum: vlines_num, 561 vlines_used: 1, 562 top_vline: LineId::new(0), 563 vlines: initial_vlines, 564 vline_operating: LineId::new(0), 565 chars_per_line: chars_num, 566 } 567 } 568 569 /// 刷新某个窗口的缓冲区的某个虚拟行的连续n个字符对象 570 /// ## 参数 571 /// - window 窗口结构体 572 /// - vline_id 要刷新的虚拟行号 573 /// - start 起始字符号 574 /// - count 要刷新的字符数量 575 576 fn textui_refresh_characters( 577 &mut self, 578 vline_id: LineId, 579 start: LineIndex, 580 count: i32, 581 ) -> Result<(), SystemError> { 582 let actual_line_sum = textui_framework().actual_line.load(Ordering::SeqCst); 583 584 // 判断虚拟行参数是否合法 585 if unlikely( 586 !vline_id.check(self.vline_sum) 587 || (<LineIndex as Into<i32>>::into(start) + count) > self.chars_per_line, 588 ) { 589 return Err(SystemError::EINVAL); 590 } 591 // 计算虚拟行对应的真实行（即要渲染的行） 592 let mut actual_line_id = vline_id - self.top_vline; //为正说明虚拟行不在真实行显示的区域上面 593 594 if <LineId as Into<i32>>::into(actual_line_id) < 0 { 595 //真实行数小于虚拟行数，则需要加上真实行数的位置，以便正确计算真实行 596 actual_line_id = actual_line_id + actual_line_sum; 597 } 598 599 // 将此窗口的某个虚拟行的连续n个字符对象往缓存区写入 600 if self.flags.contains(WindowFlag::TEXTUI_CHROMATIC) { 601 let vline = &mut self.vlines[<LineId as Into<usize>>::into(vline_id)]; 602 let mut i = 0; 603 let mut index = start; 604 605 while i < count { 606 if let TextuiVline::Chromatic(vline) = vline { 607 vline.chars[<LineIndex as Into<usize>>::into(index)] 608 .textui_refresh_character(actual_line_id, index)?; 609 610 index = index + 1; 611 } 612 i += 1; 613 } 614 } 615 616 return Ok(()); 617 } 618 619 /// 重新渲染某个窗口的某个虚拟行 620 /// ## 参数 621 622 /// - window 窗口结构体 623 /// - vline_id 虚拟行号 624 625 fn textui_refresh_vline(&mut self, vline_id: LineId) -> Result<(), SystemError> { 626 if self.flags.contains(WindowFlag::TEXTUI_CHROMATIC) { 627 return self.textui_refresh_characters( 628 vline_id, 629 LineIndex::new(0), 630 self.chars_per_line, 631 ); 632 } else { 633 //todo支持纯文本字符() 634 todo!(); 635 } 636 } 637 638 // 刷新某个窗口的start 到start + count行（即将这些行输入到缓冲区） 639 fn textui_refresh_vlines(&mut self, start: LineId, count: i32) -> Result<i32, SystemError> { 640 let mut refresh_count = count; 641 for i in <LineId as Into<i32>>::into(start) 642 ..(self.vline_sum).min(<LineId as Into<i32>>::into(start) + count) 643 { 644 self.textui_refresh_vline(LineId::new(i))?; 645 refresh_count -= 1; 646 } 647 //因为虚拟行是循环表 648 let mut refresh_start = 0; 649 while refresh_count > 0 { 650 self.textui_refresh_vline(LineId::new(refresh_start))?; 651 refresh_start += 1; 652 refresh_count -= 1; 653 } 654 return Ok(0); 655 } 656 657 /// 往某个窗口的缓冲区的某个虚拟行插入换行 658 /// ## 参数 659 /// - window 窗口结构体 660 /// - vline_id 虚拟行号 661 662 fn textui_new_line(&mut self) -> Result<i32, SystemError> { 663 // todo: 支持在两个虚拟行之间插入一个新行 664 let actual_line_sum = textui_framework().actual_line.load(Ordering::SeqCst); 665 self.vline_operating = self.vline_operating + 1; 666 //如果已经到了最大行数，则重新从0开始 667 if !self.vline_operating.check(self.vline_sum) { 668 self.vline_operating = LineId::new(0); 669 } 670 671 if let TextuiVline::Chromatic(vline) = 672 &mut (self.vlines[<LineId as Into<usize>>::into(self.vline_operating)]) 673 { 674 for i in 0..self.chars_per_line { 675 if let Some(v_char) = vline.chars.get_mut(i as usize) { 676 v_char.c = None; 677 v_char.frcolor = FontColor::BLACK; 678 v_char.bkcolor = FontColor::BLACK; 679 } 680 } 681 vline.index = LineIndex::new(0); 682 } 683 // 当已经使用的虚拟行总数等于真实行总数时，说明窗口中已经显示的文本行数已经达到了窗口的最大容量。这时，如果继续在窗口中添加新的文本，就会导致文本溢出窗口而无法显示。因此，需要往下滚动屏幕来显示更多的文本。 684 685 if self.vlines_used == actual_line_sum { 686 self.top_vline = self.top_vline + 1; 687 688 if !self.top_vline.check(self.vline_sum) { 689 self.top_vline = LineId::new(0); 690 } 691 692 // 刷新所有行 693 self.textui_refresh_vlines(self.top_vline, actual_line_sum)?; 694 } else { 695 //换行说明上一行已经在缓冲区中，所以已经使用的虚拟行总数+1 696 self.vlines_used += 1; 697 } 698 699 return Ok(0); 700 } 701 702 /// 真正向窗口的缓冲区上输入字符的函数(位置为window.vline_operating，window.vline_operating.index) 703 /// ## 参数 704 /// - window 705 /// - character 706 707 fn true_textui_putchar_window( 708 &mut self, 709 character: char, 710 frcolor: FontColor, 711 bkcolor: FontColor, 712 ) -> Result<(), SystemError> { 713 // 启用彩色字符 714 if self.flags.contains(WindowFlag::TEXTUI_CHROMATIC) { 715 let mut line_index = LineIndex::new(0); //操作的列号 716 if let TextuiVline::Chromatic(vline) = 717 &mut (self.vlines[<LineId as Into<usize>>::into(self.vline_operating)]) 718 { 719 let index = <LineIndex as Into<usize>>::into(vline.index); 720 721 if let Some(v_char) = vline.chars.get_mut(index) { 722 v_char.c = Some(character); 723 v_char.frcolor = frcolor; 724 v_char.bkcolor = bkcolor; 725 } 726 line_index = vline.index; 727 vline.index = vline.index + 1; 728 } 729 730 self.textui_refresh_characters(self.vline_operating, line_index, 1)?; 731 732 // 加入光标后，因为会识别光标，所以需超过该行最大字符数才能创建新行 733 if !line_index.check(self.chars_per_line - 1) { 734 self.textui_new_line()?; 735 } 736 } else { 737 // todo: 支持纯文本字符 738 todo!(); 739 } 740 return Ok(()); 741 } 742 /// 根据输入的一个字符在窗口上输出 743 /// ## 参数 744 745 /// - window 窗口 746 /// - character 字符 747 /// - FRcolor 前景色（RGB） 748 /// - BKcolor 背景色（RGB） 749 750 fn textui_putchar_window( 751 &mut self, 752 character: char, 753 frcolor: FontColor, 754 bkcolor: FontColor, 755 is_enable_window: bool, 756 ) -> Result<(), SystemError> { 757 let actual_line_sum = textui_framework().actual_line.load(Ordering::SeqCst); 758 759 //字符'\0'代表ASCII码表中的空字符,表示字符串的结尾 760 if unlikely(character == '\0') { 761 return Ok(()); 762 } 763 764 if unlikely(character == '\r') { 765 return Ok(()); 766 } 767 768 // 暂不支持纯文本窗口 769 if !self.flags.contains(WindowFlag::TEXTUI_CHROMATIC) { 770 return Ok(()); 771 } 772 send_to_default_serial8250_port(&[character as u8]); 773 774 //进行换行操作 775 if character == '\n' { 776 // 换行时还需要输出\r 777 send_to_default_serial8250_port(&[b'\r']); 778 if is_enable_window { 779 self.textui_new_line()?; 780 } 781 return Ok(()); 782 } 783 // 输出制表符 784 else if character == '\t' { 785 if is_enable_window { 786 if let TextuiVline::Chromatic(vline) = 787 &self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 788 { 789 //打印的空格数（注意将每行分成一个个表格，每个表格为8个字符） 790 let mut space_to_print = 8 - <LineIndex as Into<usize>>::into(vline.index) % 8; 791 while space_to_print > 0 { 792 self.true_textui_putchar_window(' ', frcolor, bkcolor)?; 793 space_to_print -= 1; 794 } 795 } 796 } 797 } 798 // 字符 '\x08' 代表 ASCII 码中的退格字符。它在输出中的作用是将光标向左移动一个位置，并在该位置上输出后续的字符，从而实现字符的删除或替换。 799 else if character == '\x08' { 800 if is_enable_window { 801 let mut tmp = LineIndex(0); 802 if let TextuiVline::Chromatic(vline) = 803 &mut self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 804 { 805 vline.index = vline.index - 1; 806 tmp = vline.index; 807 } 808 if <LineIndex as Into<i32>>::into(tmp) >= 0 { 809 if let TextuiVline::Chromatic(vline) = 810 &mut self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 811 { 812 if let Some(v_char) = 813 vline.chars.get_mut(<LineIndex as Into<usize>>::into(tmp)) 814 { 815 v_char.c = Some(' '); 816 817 v_char.bkcolor = bkcolor; 818 } 819 } 820 return self.textui_refresh_characters(self.vline_operating, tmp, 1); 821 } 822 // 需要向上缩一行 823 if <LineIndex as Into<i32>>::into(tmp) < 0 { 824 // 当前行为空,需要重新刷新 825 if let TextuiVline::Chromatic(vline) = 826 &mut self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 827 { 828 vline.index = LineIndex::new(0); 829 for i in 0..self.chars_per_line { 830 if let Some(v_char) = vline.chars.get_mut(i as usize) { 831 v_char.c = None; 832 v_char.frcolor = FontColor::BLACK; 833 v_char.bkcolor = FontColor::BLACK; 834 } 835 } 836 } 837 // 上缩一行 838 self.vline_operating = self.vline_operating - 1; 839 if self.vline_operating.data() < 0 { 840 self.vline_operating = LineId(self.vline_sum - 1); 841 } 842 843 // 考虑是否向上滚动（在top_vline上退格） 844 if self.vlines_used > actual_line_sum { 845 self.top_vline = self.top_vline - 1; 846 if <LineId as Into<i32>>::into(self.top_vline) < 0 { 847 self.top_vline = LineId(self.vline_sum - 1); 848 } 849 } 850 //因为上缩一行所以显示在屏幕中的虚拟行少一 851 self.vlines_used -= 1; 852 self.textui_refresh_vlines(self.top_vline, actual_line_sum)?; 853 } 854 } 855 } else if is_enable_window { 856 if let TextuiVline::Chromatic(vline) = 857 &self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 858 { 859 if !vline.index.check(self.chars_per_line) { 860 self.textui_new_line()?; 861 } 862 863 return self.true_textui_putchar_window(character, frcolor, bkcolor); 864 } 865 } 866 867 return Ok(()); 868 } 869 } 870 impl Default for TextuiWindow { 871 fn default() -> Self { 872 TextuiWindow { 873 id: WindowId(0), 874 flags: WindowFlag::TEXTUI_CHROMATIC, 875 vline_sum: 0, 876 vlines_used: 1, 877 top_vline: LineId::new(0), 878 vlines: Vec::new(), 879 vline_operating: LineId::new(0), 880 chars_per_line: 0, 881 } 882 } 883 } 884 #[allow(dead_code)] 885 #[derive(Debug)] 886 pub struct TextUiFramework { 887 metadata: RwLock<ScmUiFrameworkMetadata>, 888 window_list: Arc<SpinLock<LinkedList<Arc<SpinLock<TextuiWindow>>>>>, 889 actual_line: AtomicI32, // 真实行的数量（textui的帧缓冲区能容纳的内容的行数） 890 current_window: Arc<SpinLock<TextuiWindow>>, // 当前的主窗口 891 default_window: Arc<SpinLock<TextuiWindow>>, // 默认print到的窗口 892 } 893 894 impl TextUiFramework { 895 pub fn new( 896 metadata: ScmUiFrameworkMetadata, 897 window_list: Arc<SpinLock<LinkedList<Arc<SpinLock<TextuiWindow>>>>>, 898 current_window: Arc<SpinLock<TextuiWindow>>, 899 default_window: Arc<SpinLock<TextuiWindow>>, 900 ) -> Self { 901 let actual_line = 902 AtomicI32::new((metadata.buf_info().height() / TEXTUI_CHAR_HEIGHT) as i32); 903 let inner = TextUiFramework { 904 metadata: RwLock::new(metadata), 905 window_list, 906 actual_line, 907 current_window, 908 default_window, 909 }; 910 return inner; 911 } 912 } 913 914 impl ScmUiFramework for TextUiFramework { 915 // 安装ui框架的回调函数 916 fn install(&self) -> Result<i32, SystemError> { 917 send_to_default_serial8250_port("\ntextui_install_handler\n\0".as_bytes()); 918 return Ok(0); 919 } 920 // 卸载ui框架的回调函数 921 fn uninstall(&self) -> Result<i32, SystemError> { 922 return Ok(0); 923 } 924 // 启用ui框架的回调函数 925 fn enable(&self) -> Result<i32, SystemError> { 926 textui_enable_put_to_window(); 927 return Ok(0); 928 } 929 // 禁用ui框架的回调函数 930 fn disable(&self) -> Result<i32, SystemError> { 931 textui_disable_put_to_window(); 932 933 return Ok(0); 934 } 935 // 改变ui框架的帧缓冲区的回调函数 936 fn change(&self, buf_info: ScmBufferInfo) -> Result<i32, SystemError> { 937 let old_buf = textui_framework().metadata.read().buf_info(); 938 939 textui_framework().metadata.write().set_buf_info(buf_info); 940 941 let mut new_buf = textui_framework().metadata.read().buf_info(); 942 943 new_buf.copy_from_nonoverlapping(&old_buf); 944 kdebug!("textui change buf_info: old: {:?}", old_buf); 945 kdebug!("textui change buf_info: new: {:?}", new_buf); 946 947 return Ok(0); 948 } 949 /// 获取ScmUiFramework的元数据 950 /// ## 返回值 951 /// 952 /// -成功：Ok(ScmUiFramework的元数据) 953 /// -失败：Err(错误码) 954 fn metadata(&self) -> Result<ScmUiFrameworkMetadata, SystemError> { 955 let metadata = self.metadata.read().clone(); 956 957 return Ok(metadata); 958 } 959 } 960 961 /// Mapping from characters to glyph indices. 962 pub trait GlyphMapping: Sync { 963 /// Maps a character to a glyph index. 964 /// 965 /// If `c` isn't included in the font the index of a suitable replacement glyph is returned. 966 fn index(&self, c: char) -> usize; 967 } 968 969 impl<F> GlyphMapping for F 970 where 971 F: Sync + Fn(char) -> usize, 972 { 973 fn index(&self, c: char) -> usize { 974 self(c) 975 } 976 } 977 978 /// 在默认窗口上输出一个字符 979 /// ## 参数 980 /// - character 字符 981 /// - FRcolor 前景色（RGB） 982 /// - BKcolor 背景色（RGB） 983 984 #[no_mangle] 985 pub extern "C" fn rs_textui_putchar(character: u8, fr_color: u32, bk_color: u32) -> i32 { 986 let current_vcnum = CURRENT_VCNUM.load(Ordering::SeqCst); 987 if current_vcnum != -1 { 988 // tty已经初始化了之后才输出到屏幕 989 let fr = (fr_color & 0x00ff0000) >> 16; 990 let fg = (fr_color & 0x0000ff00) >> 8; 991 let fb = fr_color & 0x000000ff; 992 let br = (bk_color & 0x00ff0000) >> 16; 993 let bg = (bk_color & 0x0000ff00) >> 8; 994 let bb = bk_color & 0x000000ff; 995 let buf = format!( 996 "\x1B[38;2;{fr};{fg};{fb};48;2;{br};{bg};{bb}m{}\x1B[0m", 997 character as char 998 ); 999 let port = TTY_PORTS[current_vcnum as usize].clone(); 1000 let tty = port.port_data().tty(); 1001 if let Some(tty) = tty { 1002 send_to_default_serial8250_port(&[character]); 1003 return tty 1004 .write_without_serial(buf.as_bytes(), buf.len()) 1005 .map(|_| 0) 1006 .unwrap_or_else(|e| e.to_posix_errno()); 1007 } 1008 } 1009 return textui_putchar( 1010 character as char, 1011 FontColor::from(fr_color), 1012 FontColor::from(bk_color), 1013 ) 1014 .map(|_| 0) 1015 .unwrap_or_else(|e| e.to_posix_errno()); 1016 } 1017 1018 pub fn textui_putchar( 1019 character: char, 1020 fr_color: FontColor, 1021 bk_color: FontColor, 1022 ) -> Result<(), SystemError> { 1023 if unsafe { TEXTUI_IS_INIT } { 1024 return textui_framework() 1025 .current_window 1026 .lock_irqsave() 1027 .textui_putchar_window( 1028 character, 1029 fr_color, 1030 bk_color, 1031 textui_is_enable_put_to_window(), 1032 ); 1033 } else { 1034 //未初始化暴力输出 1035 return no_init_textui_putchar_window( 1036 character, 1037 fr_color, 1038 bk_color, 1039 textui_is_enable_put_to_window(), 1040 ); 1041 } 1042 } 1043 1044 /// 向默认窗口输出一个字符串 1045 pub fn textui_putstr( 1046 string: &str, 1047 fr_color: FontColor, 1048 bk_color: FontColor, 1049 ) -> Result<(), SystemError> { 1050 let window = if unsafe { TEXTUI_IS_INIT } { 1051 let fw = textui_framework(); 1052 let w = fw.current_window.clone(); 1053 Some(w) 1054 } else { 1055 None 1056 }; 1057 1058 let mut guard = window.as_ref().map(|w| w.lock_irqsave()); 1059 1060 for character in string.chars() { 1061 if unsafe { TEXTUI_IS_INIT } { 1062 guard.as_mut().unwrap().textui_putchar_window( 1063 character, 1064 fr_color, 1065 bk_color, 1066 textui_is_enable_put_to_window(), 1067 )?; 1068 } else { 1069 no_init_textui_putchar_window( 1070 character, 1071 fr_color, 1072 bk_color, 1073 textui_is_enable_put_to_window(), 1074 )?; 1075 } 1076 } 1077 1078 return Ok(()); 1079 } 1080 1081 /// 初始化text ui框架 1082 #[inline(never)] 1083 pub fn textui_init() -> Result<i32, SystemError> { 1084 #[cfg(target_arch = "x86_64")] 1085 textui_framwork_init(); 1086 1087 return Ok(0); 1088 } 1089