1 use crate::{ 2 driver::{ 3 serial::serial8250::send_to_default_serial8250_port, 4 tty::{tty_port::tty_port, 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 ptr::copy_nonoverlapping, 21 sync::atomic::{AtomicBool, AtomicI32, AtomicU32, Ordering}, 22 }; 23 use system_error::SystemError; 24 25 use super::{ 26 screen_manager::{ 27 scm_register, ScmBuffer, ScmBufferInfo, ScmFramworkType, ScmUiFramework, 28 ScmUiFrameworkMetadata, 29 }, 30 textui_no_alloc::no_init_textui_putchar_window, 31 }; 32 33 /// 声明全局的TEXTUI_FRAMEWORK 34 static mut __TEXTUI_FRAMEWORK: Option<Arc<TextUiFramework>> = None; 35 36 /// 每个字符的宽度和高度（像素） 37 pub const TEXTUI_CHAR_WIDTH: u32 = 8; 38 39 pub const TEXTUI_CHAR_HEIGHT: u32 = 16; 40 41 pub static mut TEXTUI_IS_INIT: bool = false; 42 43 static ENABLE_PUT_TO_WINDOW: AtomicBool = AtomicBool::new(false); 44 45 /// 启用将文本输出到窗口的功能。 46 pub fn textui_enable_put_to_window() { 47 ENABLE_PUT_TO_WINDOW.store(true, Ordering::SeqCst); 48 } 49 50 /// 禁用将文本输出到窗口的功能。 51 pub fn textui_disable_put_to_window() { 52 ENABLE_PUT_TO_WINDOW.store(false, Ordering::SeqCst); 53 } 54 55 /// 检查是否启用了将文本输出到窗口的功能。 56 /// 57 /// # 返回 58 /// 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`。 59 pub fn textui_is_enable_put_to_window() -> bool { 60 ENABLE_PUT_TO_WINDOW.load(Ordering::SeqCst) 61 } 62 63 /// 获取TEXTUI_FRAMEWORK的可变实例 64 pub fn textui_framework() -> Arc<TextUiFramework> { 65 unsafe { 66 return __TEXTUI_FRAMEWORK 67 .as_ref() 68 .expect("Textui framework has not been initialized yet!") 69 .clone(); 70 } 71 } 72 73 /// 初始化TEXTUI_FRAMEWORK 74 fn textui_framwork_init() { 75 if unsafe { __TEXTUI_FRAMEWORK.is_none() } { 76 kinfo!("textuiframework init"); 77 let metadata = ScmUiFrameworkMetadata::new("TextUI".to_string(), ScmFramworkType::Text); 78 kdebug!("textui metadata: {:?}", metadata); 79 // 为textui框架生成第一个窗口 80 let vlines_num = (metadata.buf_info().height() / TEXTUI_CHAR_HEIGHT) as usize; 81 82 let chars_num = (metadata.buf_info().width() / TEXTUI_CHAR_WIDTH) as usize; 83 84 let initial_window = TextuiWindow::new( 85 WindowFlag::TEXTUI_CHROMATIC, 86 vlines_num as i32, 87 chars_num as i32, 88 ); 89 90 let current_window: Arc<SpinLock<TextuiWindow>> = Arc::new(SpinLock::new(initial_window)); 91 92 let default_window = current_window.clone(); 93 94 // 生成窗口链表，并把上面窗口添加进textui框架的窗口链表中 95 let window_list: Arc<SpinLock<LinkedList<Arc<SpinLock<TextuiWindow>>>>> = 96 Arc::new(SpinLock::new(LinkedList::new())); 97 window_list.lock().push_back(current_window.clone()); 98 99 unsafe { 100 __TEXTUI_FRAMEWORK = Some(Arc::new(TextUiFramework::new( 101 metadata, 102 window_list, 103 current_window, 104 default_window, 105 ))) 106 }; 107 108 scm_register(textui_framework()).expect("register textui framework failed"); 109 kdebug!("textui framework init success"); 110 111 send_to_default_serial8250_port("\ntext ui initialized\n\0".as_bytes()); 112 unsafe { TEXTUI_IS_INIT = true }; 113 } else { 114 panic!("Try to init TEXTUI_FRAMEWORK twice!"); 115 } 116 } 117 // window标志位 118 bitflags! { 119 pub struct WindowFlag: u8 { 120 // 采用彩色字符 121 const TEXTUI_CHROMATIC = 1 << 0; 122 } 123 } 124 125 /** 126 * @brief 黑白字符对象 127 * 128 */ 129 #[derive(Clone, Debug)] 130 struct TextuiCharNormal { 131 _data: u8, 132 } 133 134 #[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash, Default)] 135 pub struct LineId(i32); 136 impl LineId { 137 pub fn new(num: i32) -> Self { 138 LineId(num) 139 } 140 141 pub fn check(&self, max: i32) -> bool { 142 self.0 < max && self.0 >= 0 143 } 144 145 pub fn data(&self) -> i32 { 146 self.0 147 } 148 } 149 impl Add<i32> for LineId { 150 type Output = LineId; 151 fn add(self, rhs: i32) -> Self::Output { 152 LineId::new(self.0 + rhs) 153 } 154 } 155 impl Sub<i32> for LineId { 156 type Output = LineId; 157 158 fn sub(self, rhs: i32) -> Self::Output { 159 LineId::new(self.0 - rhs) 160 } 161 } 162 impl From<LineId> for i32 { 163 fn from(value: LineId) -> Self { 164 value.0 165 } 166 } 167 impl From<LineId> for u32 { 168 fn from(value: LineId) -> Self { 169 value.0 as u32 170 } 171 } 172 impl From<LineId> for usize { 173 fn from(value: LineId) -> Self { 174 value.0 as usize 175 } 176 } 177 impl Sub<LineId> for LineId { 178 type Output = LineId; 179 180 fn sub(mut self, rhs: LineId) -> Self::Output { 181 self.0 -= rhs.0; 182 return self; 183 } 184 } 185 impl AddAssign<LineId> for LineId { 186 fn add_assign(&mut self, rhs: LineId) { 187 self.0 += rhs.0; 188 } 189 } 190 #[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash, Default)] 191 pub struct LineIndex(i32); 192 impl LineIndex { 193 pub fn new(num: i32) -> Self { 194 LineIndex(num) 195 } 196 pub fn check(&self, chars_per_line: i32) -> bool { 197 self.0 < chars_per_line && self.0 >= 0 198 } 199 } 200 impl Add<LineIndex> for LineIndex { 201 type Output = LineIndex; 202 203 fn add(self, rhs: LineIndex) -> Self::Output { 204 LineIndex::new(self.0 + rhs.0) 205 } 206 } 207 impl Add<i32> for LineIndex { 208 // type Output = Self; 209 type Output = LineIndex; 210 211 fn add(self, rhs: i32) -> Self::Output { 212 LineIndex::new(self.0 + rhs) 213 } 214 } 215 impl Sub<i32> for LineIndex { 216 type Output = LineIndex; 217 218 fn sub(self, rhs: i32) -> Self::Output { 219 LineIndex::new(self.0 - rhs) 220 } 221 } 222 223 impl From<LineIndex> for i32 { 224 fn from(val: LineIndex) -> Self { 225 val.0 226 } 227 } 228 impl From<LineIndex> for u32 { 229 fn from(value: LineIndex) -> Self { 230 value.0 as u32 231 } 232 } 233 impl From<LineIndex> for usize { 234 fn from(value: LineIndex) -> Self { 235 value.0 as usize 236 } 237 } 238 #[derive(Copy, Clone, Debug)] 239 pub struct FontColor(u32); 240 #[allow(dead_code)] 241 impl FontColor { 242 pub const BLUE: FontColor = FontColor::new(0, 0, 0xff); 243 pub const RED: FontColor = FontColor::new(0xff, 0, 0); 244 pub const GREEN: FontColor = FontColor::new(0, 0xff, 0); 245 pub const WHITE: FontColor = FontColor::new(0xff, 0xff, 0xff); 246 pub const BLACK: FontColor = FontColor::new(0, 0, 0); 247 pub const YELLOW: FontColor = FontColor::new(0xff, 0xff, 0); 248 pub const ORANGE: FontColor = FontColor::new(0xff, 0x80, 0); 249 pub const INDIGO: FontColor = FontColor::new(0x00, 0xff, 0xff); 250 pub const PURPLE: FontColor = FontColor::new(0x80, 0x00, 0xff); 251 252 pub const fn new(r: u8, g: u8, b: u8) -> Self { 253 let val = ((r as u32) << 16) | ((g as u32) << 8) | (b as u32); 254 return FontColor(val & 0x00ffffff); 255 } 256 } 257 258 impl From<u32> for FontColor { 259 fn from(value: u32) -> Self { 260 return Self(value & 0x00ffffff); 261 } 262 } 263 impl From<FontColor> for usize { 264 fn from(value: FontColor) -> Self { 265 value.0 as usize 266 } 267 } 268 impl From<FontColor> for u32 { 269 fn from(value: FontColor) -> Self { 270 value.0 271 } 272 } 273 impl From<FontColor> for u16 { 274 fn from(value: FontColor) -> Self { 275 value.0 as u16 276 } 277 } 278 impl From<FontColor> for u64 { 279 fn from(value: FontColor) -> Self { 280 value.0 as u64 281 } 282 } 283 284 /// 彩色字符对象 285 286 #[derive(Clone, Debug, Copy)] 287 pub struct TextuiCharChromatic { 288 c: Option<char>, 289 290 // 前景色 291 frcolor: FontColor, // rgb 292 293 // 背景色 294 bkcolor: FontColor, // rgb 295 } 296 297 #[derive(Debug)] 298 pub struct TextuiBuf<'a> { 299 buf: Option<&'a mut [u8]>, 300 301 guard: Option<SpinLockGuard<'a, Box<[u8]>>>, 302 303 bit_depth: u32, 304 } 305 306 impl TextuiBuf<'_> { 307 pub fn new(buf: &mut ScmBufferInfo) -> TextuiBuf { 308 let len = buf.buf_size() / 4; 309 let depth = video_refresh_manager().device_buffer().bit_depth(); 310 match &buf.buf { 311 ScmBuffer::DeviceBuffer(vaddr) => { 312 return TextuiBuf { 313 buf: Some(unsafe { 314 core::slice::from_raw_parts_mut(vaddr.data() as *mut u8, len) 315 }), 316 guard: None, 317 bit_depth: depth, 318 }; 319 } 320 321 ScmBuffer::DoubleBuffer(double_buffer) => { 322 let guard: SpinLockGuard<'_, Box<[u8]>> = double_buffer.lock(); 323 324 return TextuiBuf { 325 buf: None, 326 guard: Some(guard), 327 bit_depth: depth, 328 }; 329 } 330 } 331 } 332 333 pub fn buf_mut(&mut self) -> &mut [u8] { 334 if let Some(buf) = &mut self.buf { 335 return buf; 336 } else { 337 return self.guard.as_mut().unwrap().as_mut(); 338 } 339 } 340 341 pub fn put_color_in_pixel(&mut self, color: u32, index: usize) { 342 let index = index as isize; 343 match self.bit_depth { 344 32 => { 345 let buf = self.buf_mut().as_mut_ptr() as *mut u32; 346 unsafe { 347 *buf.offset(index) = color; 348 } 349 } 350 24 => { 351 let buf = self.buf_mut().as_mut_ptr(); 352 unsafe { 353 copy_nonoverlapping(&color as *const u32 as *const u8, buf.offset(index * 3), 3) 354 }; 355 } 356 16 => { 357 let buf = self.buf_mut().as_mut_ptr(); 358 unsafe { 359 copy_nonoverlapping( 360 &color as *const u32 as *const u8, 361 buf.offset(index * 2), 362 2, 363 ); 364 }; 365 } 366 _ => { 367 panic!("bidepth unsupported!") 368 } 369 } 370 } 371 pub fn get_index_of_next_line(now_index: usize) -> usize { 372 textui_framework().metadata.read().buf_info().width() as usize + now_index 373 } 374 pub fn get_index_by_x_y(x: usize, y: usize) -> usize { 375 textui_framework().metadata.read().buf_info().width() as usize * y + x 376 } 377 378 pub fn get_start_index_by_lineid_lineindex(lineid: LineId, lineindex: LineIndex) -> usize { 379 // x 左上角列像素点位置 380 // y 左上角行像素点位置 381 let index_x: u32 = lineindex.into(); 382 let x: u32 = index_x * TEXTUI_CHAR_WIDTH; 383 384 let id_y: u32 = lineid.into(); 385 let y: u32 = id_y * TEXTUI_CHAR_HEIGHT; 386 387 TextuiBuf::get_index_by_x_y(x as usize, y as usize) 388 } 389 } 390 391 #[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)] 392 pub struct Font([u8; 16]); 393 impl Font { 394 #[inline] 395 pub fn get_font(character: char) -> Font { 396 let x = FONT_8x16.char_map(character); 397 398 let mut data = [0u8; 16]; 399 data.copy_from_slice(x); 400 return Font(data); 401 } 402 pub fn is_frcolor(&self, height: usize, width: usize) -> bool { 403 let w = self.0[height]; 404 let testbit = 1 << (8 - width); 405 w & testbit != 0 406 } 407 } 408 409 impl TextuiCharChromatic { 410 pub fn new(c: Option<char>, frcolor: FontColor, bkcolor: FontColor) -> Self { 411 TextuiCharChromatic { 412 c, 413 frcolor, 414 bkcolor, 415 } 416 } 417 418 /// 将该字符对象输出到缓冲区 419 /// ## 参数 420 /// -line_id 要放入的真实行号 421 /// -index 要放入的真实列号 422 pub fn textui_refresh_character( 423 &self, 424 lineid: LineId, 425 lineindex: LineIndex, 426 ) -> Result<i32, SystemError> { 427 // 找到要渲染的字符的像素点数据 428 429 let font: Font = Font::get_font(self.c.unwrap_or(' ')); 430 431 let mut count = TextuiBuf::get_start_index_by_lineid_lineindex(lineid, lineindex); 432 433 let mut _binding = textui_framework().metadata.read().buf_info(); 434 435 let mut buf = TextuiBuf::new(&mut _binding); 436 437 // 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 438 for i in 0..TEXTUI_CHAR_HEIGHT { 439 let start = count; 440 for j in 0..TEXTUI_CHAR_WIDTH { 441 if font.is_frcolor(i as usize, j as usize) { 442 // 字，显示前景色 443 buf.put_color_in_pixel(self.frcolor.into(), count); 444 } else { 445 // 背景色 446 buf.put_color_in_pixel(self.bkcolor.into(), count); 447 } 448 count += 1; 449 } 450 count = TextuiBuf::get_index_of_next_line(start); 451 } 452 453 return Ok(0); 454 } 455 456 pub fn no_init_textui_render_chromatic(&self, lineid: LineId, lineindex: LineIndex) { 457 // 找到要渲染的字符的像素点数据 458 let font = Font::get_font(self.c.unwrap_or(' ')); 459 460 // x 左上角列像素点位置 461 // y 左上角行像素点位置 462 let index_x: u32 = lineindex.into(); 463 let x: u32 = index_x * TEXTUI_CHAR_WIDTH; 464 465 let id_y: u32 = lineid.into(); 466 let y: u32 = id_y * TEXTUI_CHAR_HEIGHT; 467 let buf_depth = video_refresh_manager().device_buffer().bit_depth(); 468 let buf_width = video_refresh_manager().device_buffer().width(); 469 let byte_num_of_depth = (buf_depth / 8) as usize; 470 471 // 找到输入缓冲区的起始地址位置 472 let buf_start = 473 if let ScmBuffer::DeviceBuffer(vaddr) = video_refresh_manager().device_buffer().buf { 474 vaddr 475 } else { 476 panic!("device buffer is not init"); 477 }; 478 479 let mut testbit: u32; // 用来测试特定行的某列是背景还是字体本身 480 481 // 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 482 for i in 0..TEXTUI_CHAR_HEIGHT { 483 // 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） 484 485 let mut addr: *mut u8 = (buf_start 486 + buf_width as usize * byte_num_of_depth * (y as usize + i as usize) 487 + byte_num_of_depth * x as usize) 488 .data() as *mut u8; 489 490 testbit = 1 << (TEXTUI_CHAR_WIDTH + 1); 491 492 for _j in 0..TEXTUI_CHAR_WIDTH { 493 //该循环是渲染一行像素 494 //从左往右逐个测试相应位 495 testbit >>= 1; 496 if (font.0[i as usize] & testbit as u8) != 0 { 497 let color: u32 = self.frcolor.into(); 498 unsafe { 499 copy_nonoverlapping( 500 &color as *const u32 as *const u8, 501 addr, 502 byte_num_of_depth, 503 ) 504 }; // 字，显示前景色 505 } else { 506 let color: u32 = self.bkcolor.into(); 507 unsafe { 508 copy_nonoverlapping( 509 &color as *const u32 as *const u8, 510 addr, 511 byte_num_of_depth, 512 ) 513 }; 514 } 515 516 unsafe { 517 addr = addr.offset(1); 518 } 519 } 520 } 521 } 522 } 523 524 /// 单色显示的虚拟行结构体 525 526 #[derive(Clone, Debug, Default)] 527 pub struct TextuiVlineNormal { 528 _characters: Vec<TextuiCharNormal>, // 字符对象数组 529 _index: i16, // 当前操作的位置 530 } 531 /// 彩色显示的虚拟行结构体 532 533 #[derive(Clone, Debug, Default)] 534 pub struct TextuiVlineChromatic { 535 chars: Vec<TextuiCharChromatic>, // 字符对象数组 536 index: LineIndex, // 当前操作的位置 537 } 538 impl TextuiVlineChromatic { 539 pub fn new(char_num: usize) -> Self { 540 let mut r = TextuiVlineChromatic { 541 chars: Vec::with_capacity(char_num), 542 index: LineIndex::new(0), 543 }; 544 545 for _ in 0..char_num { 546 r.chars.push(TextuiCharChromatic::new( 547 None, 548 FontColor::BLACK, 549 FontColor::BLACK, 550 )); 551 } 552 553 return r; 554 } 555 } 556 557 #[derive(Clone, Debug)] 558 pub enum TextuiVline { 559 Chromatic(TextuiVlineChromatic), 560 _Normal(TextuiVlineNormal), 561 } 562 563 #[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)] 564 pub struct WindowId(u32); 565 566 impl WindowId { 567 pub fn new() -> Self { 568 static MAX_ID: AtomicU32 = AtomicU32::new(0); 569 return WindowId(MAX_ID.fetch_add(1, Ordering::SeqCst)); 570 } 571 } 572 #[allow(dead_code)] 573 #[derive(Clone, Debug)] 574 pub struct TextuiWindow { 575 // 虚拟行是个循环表，头和尾相接 576 id: WindowId, 577 // 虚拟行总数 578 vline_sum: i32, 579 // 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） 580 vlines_used: i32, 581 // 位于最顶上的那一个虚拟行的行号 582 top_vline: LineId, 583 // 储存虚拟行的数组 584 vlines: Vec<TextuiVline>, 585 // 正在操作的vline 586 vline_operating: LineId, 587 // 每行最大容纳的字符数 588 chars_per_line: i32, 589 // 窗口flag 590 flags: WindowFlag, 591 } 592 593 impl TextuiWindow { 594 /// 使用参数初始化window对象 595 /// ## 参数 596 /// 597 /// -flags 标志位 598 /// -vlines_num 虚拟行的总数 599 /// -chars_num 每行最大的字符数 600 601 pub fn new(flags: WindowFlag, vlines_num: i32, chars_num: i32) -> Self { 602 let mut initial_vlines = Vec::new(); 603 604 for _ in 0..vlines_num { 605 let vline = TextuiVlineChromatic::new(chars_num as usize); 606 607 initial_vlines.push(TextuiVline::Chromatic(vline)); 608 } 609 TextuiWindow { 610 id: WindowId::new(), 611 flags, 612 vline_sum: vlines_num, 613 vlines_used: 1, 614 top_vline: LineId::new(0), 615 vlines: initial_vlines, 616 vline_operating: LineId::new(0), 617 chars_per_line: chars_num, 618 } 619 } 620 621 /// 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 622 /// ## 参数 623 /// - window 窗口结构体 624 /// - vline_id 要刷新的虚拟行号 625 /// - start 起始字符号 626 /// - count 要刷新的字符数量 627 fn textui_refresh_characters( 628 &mut self, 629 vline_id: LineId, 630 start: LineIndex, 631 count: i32, 632 ) -> Result<(), SystemError> { 633 let actual_line_sum = textui_framework().actual_line.load(Ordering::SeqCst); 634 635 // 判断虚拟行参数是否合法 636 if unlikely( 637 !vline_id.check(self.vline_sum) 638 || (<LineIndex as Into<i32>>::into(start) + count) > self.chars_per_line, 639 ) { 640 return Err(SystemError::EINVAL); 641 } 642 // 计算虚拟行对应的真实行（即要渲染的行） 643 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 644 645 if <LineId as Into<i32>>::into(actual_line_id) < 0 { 646 //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 647 actual_line_id = actual_line_id + actual_line_sum; 648 } 649 650 // 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 651 if self.flags.contains(WindowFlag::TEXTUI_CHROMATIC) { 652 let vline = &mut self.vlines[<LineId as Into<usize>>::into(vline_id)]; 653 let mut i = 0; 654 let mut index = start; 655 656 while i < count { 657 if let TextuiVline::Chromatic(vline) = vline { 658 vline.chars[<LineIndex as Into<usize>>::into(index)] 659 .textui_refresh_character(actual_line_id, index)?; 660 661 index = index + 1; 662 } 663 i += 1; 664 } 665 } 666 667 return Ok(()); 668 } 669 670 /// 重新渲染某个窗口的某个虚拟行 671 /// ## 参数 672 673 /// - window 窗口结构体 674 /// - vline_id 虚拟行号 675 676 fn textui_refresh_vline(&mut self, vline_id: LineId) -> Result<(), SystemError> { 677 if self.flags.contains(WindowFlag::TEXTUI_CHROMATIC) { 678 return self.textui_refresh_characters( 679 vline_id, 680 LineIndex::new(0), 681 self.chars_per_line, 682 ); 683 } else { 684 //todo支持纯文本字符() 685 todo!(); 686 } 687 } 688 689 // 刷新某个窗口的start 到start + count行（即将这些行输入到缓冲区） 690 fn textui_refresh_vlines(&mut self, start: LineId, count: i32) -> Result<i32, SystemError> { 691 let mut refresh_count = count; 692 for i in <LineId as Into<i32>>::into(start) 693 ..(self.vline_sum).min(<LineId as Into<i32>>::into(start) + count) 694 { 695 self.textui_refresh_vline(LineId::new(i))?; 696 refresh_count -= 1; 697 } 698 //因为虚拟行是循环表 699 let mut refresh_start = 0; 700 while refresh_count > 0 { 701 self.textui_refresh_vline(LineId::new(refresh_start))?; 702 refresh_start += 1; 703 refresh_count -= 1; 704 } 705 return Ok(0); 706 } 707 708 /// 往某个窗口的缓冲区的某个虚拟行插入换行 709 /// ## 参数 710 /// - window 窗口结构体 711 /// - vline_id 虚拟行号 712 fn textui_new_line(&mut self) -> Result<i32, SystemError> { 713 // todo: 支持在两个虚拟行之间插入一个新行 714 let actual_line_sum = textui_framework().actual_line.load(Ordering::SeqCst); 715 self.vline_operating = self.vline_operating + 1; 716 //如果已经到了最大行数，则重新从0开始 717 if !self.vline_operating.check(self.vline_sum) { 718 self.vline_operating = LineId::new(0); 719 } 720 721 if let TextuiVline::Chromatic(vline) = 722 &mut (self.vlines[<LineId as Into<usize>>::into(self.vline_operating)]) 723 { 724 for i in 0..self.chars_per_line { 725 if let Some(v_char) = vline.chars.get_mut(i as usize) { 726 v_char.c = None; 727 v_char.frcolor = FontColor::BLACK; 728 v_char.bkcolor = FontColor::BLACK; 729 } 730 } 731 vline.index = LineIndex::new(0); 732 } 733 // 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。 734 735 if self.vlines_used == actual_line_sum { 736 self.top_vline = self.top_vline + 1; 737 738 if !self.top_vline.check(self.vline_sum) { 739 self.top_vline = LineId::new(0); 740 } 741 742 // 刷新所有行 743 self.textui_refresh_vlines(self.top_vline, actual_line_sum)?; 744 } else { 745 //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+1 746 self.vlines_used += 1; 747 } 748 749 return Ok(0); 750 } 751 752 /// 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) 753 /// ## 参数 754 /// - window 755 /// - character 756 fn true_textui_putchar_window( 757 &mut self, 758 character: char, 759 frcolor: FontColor, 760 bkcolor: FontColor, 761 ) -> Result<(), SystemError> { 762 // 启用彩色字符 763 if self.flags.contains(WindowFlag::TEXTUI_CHROMATIC) { 764 let mut line_index = LineIndex::new(0); //操作的列号 765 if let TextuiVline::Chromatic(vline) = 766 &mut (self.vlines[<LineId as Into<usize>>::into(self.vline_operating)]) 767 { 768 let index = <LineIndex as Into<usize>>::into(vline.index); 769 770 if let Some(v_char) = vline.chars.get_mut(index) { 771 v_char.c = Some(character); 772 v_char.frcolor = frcolor; 773 v_char.bkcolor = bkcolor; 774 } 775 line_index = vline.index; 776 vline.index = vline.index + 1; 777 } 778 779 self.textui_refresh_characters(self.vline_operating, line_index, 1)?; 780 781 // 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 782 if !line_index.check(self.chars_per_line - 1) { 783 self.textui_new_line()?; 784 } 785 } else { 786 // todo: 支持纯文本字符 787 todo!(); 788 } 789 return Ok(()); 790 } 791 /// 根据输入的一个字符在窗口上输出 792 /// ## 参数 793 794 /// - window 窗口 795 /// - character 字符 796 /// - FRcolor 前景色（RGB） 797 /// - BKcolor 背景色（RGB） 798 799 fn textui_putchar_window( 800 &mut self, 801 character: char, 802 frcolor: FontColor, 803 bkcolor: FontColor, 804 is_enable_window: bool, 805 ) -> Result<(), SystemError> { 806 let actual_line_sum = textui_framework().actual_line.load(Ordering::SeqCst); 807 808 //字符'\0'代表ASCII码表中的空字符,表示字符串的结尾 809 if unlikely(character == '\0') { 810 return Ok(()); 811 } 812 813 if unlikely(character == '\r') { 814 return Ok(()); 815 } 816 817 // 暂不支持纯文本窗口 818 if !self.flags.contains(WindowFlag::TEXTUI_CHROMATIC) { 819 return Ok(()); 820 } 821 send_to_default_serial8250_port(&[character as u8]); 822 823 //进行换行操作 824 if character == '\n' { 825 // 换行时还需要输出\r 826 send_to_default_serial8250_port(&[b'\r']); 827 if is_enable_window { 828 self.textui_new_line()?; 829 } 830 return Ok(()); 831 } 832 // 输出制表符 833 else if character == '\t' { 834 if is_enable_window { 835 if let TextuiVline::Chromatic(vline) = 836 &self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 837 { 838 //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） 839 let mut space_to_print = 8 - <LineIndex as Into<usize>>::into(vline.index) % 8; 840 while space_to_print > 0 { 841 self.true_textui_putchar_window(' ', frcolor, bkcolor)?; 842 space_to_print -= 1; 843 } 844 } 845 } 846 } 847 // 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。 848 else if character == '\x08' { 849 if is_enable_window { 850 let mut tmp = LineIndex(0); 851 if let TextuiVline::Chromatic(vline) = 852 &mut self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 853 { 854 vline.index = vline.index - 1; 855 tmp = vline.index; 856 } 857 if <LineIndex as Into<i32>>::into(tmp) >= 0 { 858 if let TextuiVline::Chromatic(vline) = 859 &mut self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 860 { 861 if let Some(v_char) = 862 vline.chars.get_mut(<LineIndex as Into<usize>>::into(tmp)) 863 { 864 v_char.c = Some(' '); 865 866 v_char.bkcolor = bkcolor; 867 } 868 } 869 return self.textui_refresh_characters(self.vline_operating, tmp, 1); 870 } 871 // 需要向上缩一行 872 if <LineIndex as Into<i32>>::into(tmp) < 0 { 873 // 当前行为空,需要重新刷新 874 if let TextuiVline::Chromatic(vline) = 875 &mut self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 876 { 877 vline.index = LineIndex::new(0); 878 for i in 0..self.chars_per_line { 879 if let Some(v_char) = vline.chars.get_mut(i as usize) { 880 v_char.c = None; 881 v_char.frcolor = FontColor::BLACK; 882 v_char.bkcolor = FontColor::BLACK; 883 } 884 } 885 } 886 // 上缩一行 887 self.vline_operating = self.vline_operating - 1; 888 if self.vline_operating.data() < 0 { 889 self.vline_operating = LineId(self.vline_sum - 1); 890 } 891 892 // 考虑是否向上滚动（在top_vline上退格） 893 if self.vlines_used > actual_line_sum { 894 self.top_vline = self.top_vline - 1; 895 if <LineId as Into<i32>>::into(self.top_vline) < 0 { 896 self.top_vline = LineId(self.vline_sum - 1); 897 } 898 } 899 //因为上缩一行所以显示在屏幕中的虚拟行少一 900 self.vlines_used -= 1; 901 self.textui_refresh_vlines(self.top_vline, actual_line_sum)?; 902 } 903 } 904 } else if is_enable_window { 905 if let TextuiVline::Chromatic(vline) = 906 &self.vlines[<LineId as Into<usize>>::into(self.vline_operating)] 907 { 908 if !vline.index.check(self.chars_per_line) { 909 self.textui_new_line()?; 910 } 911 912 return self.true_textui_putchar_window(character, frcolor, bkcolor); 913 } 914 } 915 916 return Ok(()); 917 } 918 } 919 impl Default for TextuiWindow { 920 fn default() -> Self { 921 TextuiWindow { 922 id: WindowId(0), 923 flags: WindowFlag::TEXTUI_CHROMATIC, 924 vline_sum: 0, 925 vlines_used: 1, 926 top_vline: LineId::new(0), 927 vlines: Vec::new(), 928 vline_operating: LineId::new(0), 929 chars_per_line: 0, 930 } 931 } 932 } 933 #[allow(dead_code)] 934 #[derive(Debug)] 935 pub struct TextUiFramework { 936 metadata: RwLock<ScmUiFrameworkMetadata>, 937 window_list: Arc<SpinLock<LinkedList<Arc<SpinLock<TextuiWindow>>>>>, 938 actual_line: AtomicI32, // 真实行的数量（textui的帧缓冲区能容纳的内容的行数） 939 current_window: Arc<SpinLock<TextuiWindow>>, // 当前的主窗口 940 default_window: Arc<SpinLock<TextuiWindow>>, // 默认print到的窗口 941 } 942 943 impl TextUiFramework { 944 pub fn new( 945 metadata: ScmUiFrameworkMetadata, 946 window_list: Arc<SpinLock<LinkedList<Arc<SpinLock<TextuiWindow>>>>>, 947 current_window: Arc<SpinLock<TextuiWindow>>, 948 default_window: Arc<SpinLock<TextuiWindow>>, 949 ) -> Self { 950 let actual_line = 951 AtomicI32::new((metadata.buf_info().height() / TEXTUI_CHAR_HEIGHT) as i32); 952 let inner = TextUiFramework { 953 metadata: RwLock::new(metadata), 954 window_list, 955 actual_line, 956 current_window, 957 default_window, 958 }; 959 return inner; 960 } 961 } 962 963 impl ScmUiFramework for TextUiFramework { 964 // 安装ui框架的回调函数 965 fn install(&self) -> Result<i32, SystemError> { 966 send_to_default_serial8250_port("\ntextui_install_handler\n\0".as_bytes()); 967 return Ok(0); 968 } 969 // 卸载ui框架的回调函数 970 fn uninstall(&self) -> Result<i32, SystemError> { 971 return Ok(0); 972 } 973 // 启用ui框架的回调函数 974 fn enable(&self) -> Result<i32, SystemError> { 975 textui_enable_put_to_window(); 976 return Ok(0); 977 } 978 // 禁用ui框架的回调函数 979 fn disable(&self) -> Result<i32, SystemError> { 980 textui_disable_put_to_window(); 981 982 return Ok(0); 983 } 984 // 改变ui框架的帧缓冲区的回调函数 985 fn change(&self, buf_info: ScmBufferInfo) -> Result<i32, SystemError> { 986 let old_buf = textui_framework().metadata.read().buf_info(); 987 988 textui_framework().metadata.write().set_buf_info(buf_info); 989 990 let mut new_buf = textui_framework().metadata.read().buf_info(); 991 992 new_buf.copy_from_nonoverlapping(&old_buf); 993 kdebug!("textui change buf_info: old: {:?}", old_buf); 994 kdebug!("textui change buf_info: new: {:?}", new_buf); 995 996 return Ok(0); 997 } 998 /// 获取ScmUiFramework的元数据 999 /// ## 返回值 1000 /// 1001 /// -成功：Ok(ScmUiFramework的元数据) 1002 /// -失败：Err(错误码) 1003 fn metadata(&self) -> Result<ScmUiFrameworkMetadata, SystemError> { 1004 let metadata = self.metadata.read().clone(); 1005 1006 return Ok(metadata); 1007 } 1008 } 1009 1010 /// Mapping from characters to glyph indices. 1011 pub trait GlyphMapping: Sync { 1012 /// Maps a character to a glyph index. 1013 /// 1014 /// If `c` isn't included in the font the index of a suitable replacement glyph is returned. 1015 fn index(&self, c: char) -> usize; 1016 } 1017 1018 impl<F> GlyphMapping for F 1019 where 1020 F: Sync + Fn(char) -> usize, 1021 { 1022 fn index(&self, c: char) -> usize { 1023 self(c) 1024 } 1025 } 1026 1027 /// 在默认窗口上输出一个字符 1028 /// ## 参数 1029 /// - character 字符 1030 /// - FRcolor 前景色（RGB） 1031 /// - BKcolor 背景色（RGB） 1032 1033 #[no_mangle] 1034 pub extern "C" fn rs_textui_putchar(character: u8, fr_color: u32, bk_color: u32) -> i32 { 1035 let current_vcnum = CURRENT_VCNUM.load(Ordering::SeqCst); 1036 if current_vcnum != -1 { 1037 // tty已经初始化了之后才输出到屏幕 1038 let fr = (fr_color & 0x00ff0000) >> 16; 1039 let fg = (fr_color & 0x0000ff00) >> 8; 1040 let fb = fr_color & 0x000000ff; 1041 let br = (bk_color & 0x00ff0000) >> 16; 1042 let bg = (bk_color & 0x0000ff00) >> 8; 1043 let bb = bk_color & 0x000000ff; 1044 let buf = format!( 1045 "\x1B[38;2;{fr};{fg};{fb};48;2;{br};{bg};{bb}m{}\x1B[0m", 1046 character as char 1047 ); 1048 let port = tty_port(current_vcnum as usize); 1049 let tty = port.port_data().internal_tty(); 1050 if let Some(tty) = tty { 1051 send_to_default_serial8250_port(&[character]); 1052 return tty 1053 .write_without_serial(buf.as_bytes(), buf.len()) 1054 .map(|_| 0) 1055 .unwrap_or_else(|e| e.to_posix_errno()); 1056 } 1057 } 1058 return textui_putchar( 1059 character as char, 1060 FontColor::from(fr_color), 1061 FontColor::from(bk_color), 1062 ) 1063 .map(|_| 0) 1064 .unwrap_or_else(|e| e.to_posix_errno()); 1065 } 1066 1067 pub fn textui_putchar( 1068 character: char, 1069 fr_color: FontColor, 1070 bk_color: FontColor, 1071 ) -> Result<(), SystemError> { 1072 if unsafe { TEXTUI_IS_INIT } { 1073 return textui_framework() 1074 .current_window 1075 .lock_irqsave() 1076 .textui_putchar_window( 1077 character, 1078 fr_color, 1079 bk_color, 1080 textui_is_enable_put_to_window(), 1081 ); 1082 } else { 1083 //未初始化暴力输出 1084 return no_init_textui_putchar_window( 1085 character, 1086 fr_color, 1087 bk_color, 1088 textui_is_enable_put_to_window(), 1089 ); 1090 } 1091 } 1092 1093 /// 向默认窗口输出一个字符串 1094 pub fn textui_putstr( 1095 string: &str, 1096 fr_color: FontColor, 1097 bk_color: FontColor, 1098 ) -> Result<(), SystemError> { 1099 let window = if unsafe { TEXTUI_IS_INIT } { 1100 let fw = textui_framework(); 1101 let w = fw.current_window.clone(); 1102 Some(w) 1103 } else { 1104 None 1105 }; 1106 1107 let mut guard = window.as_ref().map(|w| w.lock_irqsave()); 1108 1109 for character in string.chars() { 1110 if unsafe { TEXTUI_IS_INIT } { 1111 guard.as_mut().unwrap().textui_putchar_window( 1112 character, 1113 fr_color, 1114 bk_color, 1115 textui_is_enable_put_to_window(), 1116 )?; 1117 } else { 1118 no_init_textui_putchar_window( 1119 character, 1120 fr_color, 1121 bk_color, 1122 textui_is_enable_put_to_window(), 1123 )?; 1124 } 1125 } 1126 1127 return Ok(()); 1128 } 1129 1130 /// 初始化text ui框架 1131 #[inline(never)] 1132 pub fn textui_init() -> Result<i32, SystemError> { 1133 #[cfg(target_arch = "x86_64")] 1134 textui_framwork_init(); 1135 1136 return Ok(0); 1137 } 1138