mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-10 12:16:48 +00:00
322 lines
9.6 KiB
C
322 lines
9.6 KiB
C
#include "textui.h"
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#include "screen_manager.h"
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#include "driver/uart/uart.h"
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#include <common/string.h>
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#include <common/printk.h>
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#include <common/atomic.h>
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struct scm_ui_framework_t textui_framework;
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static spinlock_t __window_id_lock = {1};
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static uint32_t __window_max_id = 0;
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// 暂时初始化16080个初始字符对象以及67个虚拟行对象
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#define INITIAL_CHARS 16080
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#define INITIAL_VLINES (int)(1080 / 16)
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static struct textui_char_chromatic_t __initial_chars[INITIAL_CHARS] = {0};
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static struct textui_vline_chromatic_t __initial_vlines[INITIAL_VLINES] = {0};
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static struct textui_window_t __initial_window = {0}; // 初始窗口
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static struct textui_private_info_t __private_info = {0};
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static struct List __windows_list;
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/**
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* @brief 初始化window对象
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*
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* @param window 窗口对象
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* @param flags 标志位
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* @param vlines_num 虚拟行的总数
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* @param vlines_ptr 虚拟行数组指针
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* @param cperline 每行最大的字符数
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*/
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static int __textui_init_window(struct textui_window_t *window, uint8_t flags, uint16_t vlines_num, void *vlines_ptr, uint16_t cperline)
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{
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memset((window), 0, sizeof(struct textui_window_t));
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list_init(&(window)->list);
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window->lock.lock = 1;
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spin_lock(&__window_id_lock);
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window->id = __window_max_id++;
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spin_unlock(&__window_id_lock);
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window->flags = flags;
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window->vlines_num = vlines_num;
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window->vlines_used = 1;
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window->top_vline = 0;
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window->vline_operating = 0;
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window->chars_per_line = cperline;
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if (textui_is_chromatic(flags))
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window->vlines.chromatic = vlines_ptr;
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else
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window->vlines.normal = vlines_ptr;
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list_add(&__windows_list, &(window)->list);
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}
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/**
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* @brief 初始化虚拟行对象
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*
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* @param vline 虚拟行对象指针
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* @param chars_ptr 字符对象数组指针
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*/
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#define __textui_init_vline(vline, chars_ptr) \
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do \
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{ \
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memset(vline, 0, sizeof(struct textui_vline_chromatic_t)); \
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(vline)->index = 0; \
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(vline)->chars = chars_ptr; \
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} while (0)
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int textui_install_handler(struct scm_buffer_info_t *buf)
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{
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// return printk_init(buf);
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uart_send_str(COM1, "textui_install_handler");
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return 0;
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}
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int textui_uninstall_handler(void *args)
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{
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return 0;
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}
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int textui_enable_handler(void *args)
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{
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uart_send_str(COM1, "textui_enable_handler");
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return 0;
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}
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int textui_disable_handler(void *args)
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{
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return 0;
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}
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int textui_change_handler(struct scm_buffer_info_t *buf)
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{
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memcpy((void *)buf->vaddr, (void *)(textui_framework.buf->vaddr), textui_framework.buf->size);
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textui_framework.buf = buf;
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set_pos_VBE_FB_addr((uint *)buf->vaddr);
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return 0;
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}
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struct scm_ui_framework_operations_t textui_ops =
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{
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.install = &textui_install_handler,
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.uninstall = &textui_uninstall_handler,
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.change = &textui_change_handler,
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.enable = &textui_enable_handler,
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.disable = &textui_disable_handler,
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};
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/**
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* @brief 获取textui的帧缓冲区能容纳的内容的行数
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*
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* @return uint16_t
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*/
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uint16_t __textui_get_actual_lines()
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{
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return __private_info.actual_line;
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}
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/**
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* @brief 获取当前渲染的窗口的id
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*
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* @return uint16_t
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*/
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uint32_t __textui_get_current_window_id()
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{
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return __private_info.current_window->id;
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}
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/**
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* @brief 插入换行
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*
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* @param window 窗口结构体
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* @param vline_id 虚拟行号
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* @return int
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*/
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static int __textui_new_line(struct textui_window_t *window, uint16_t vline_id)
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{
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// todo: 支持在两个虚拟行之间插入一个新行
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++window->vline_operating;
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if (unlikely(window->vline_operating == window->vlines_num))
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window->vline_operating = 0;
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struct textui_vline_chromatic_t *vline = &window->vlines.chromatic[window->vline_operating];
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memset(vline->chars, 0, sizeof(struct textui_char_chromatic_t) * window->chars_per_line);
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vline->index = 0;
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if (likely(window->vlines_used == window->vlines_num)) // 需要滚动屏幕
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{
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// uart_send_str(COM1, " scroll, top vline= ");
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++window->top_vline;
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// uart_send(COM1, '0' + window->top_vline);
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if (unlikely(window->top_vline >= window->vlines_num))
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window->top_vline = 0;
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// int delta = ABS((int)window->vline_operating - (int)window->top_vline);
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// 刷新所有行
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textui_refresh_vlines(window, window->top_vline, window->vlines_num);
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}
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else
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++window->vlines_used;
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return 0;
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}
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static int __textui_putchar_window(struct textui_window_t *window, uint16_t character)
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{
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if (textui_is_chromatic(window->flags)) // 启用彩色字符
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{
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struct textui_vline_chromatic_t *vline = &window->vlines.chromatic[window->vline_operating];
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vline->chars[vline->index].c = character;
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vline->chars[vline->index].Fr = 0xff;
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vline->chars[vline->index].Fg = 0xff;
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vline->chars[vline->index].Fb = 0xff;
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vline->chars[vline->index].Br = 0;
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vline->chars[vline->index].Bg = 0;
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vline->chars[vline->index].Bb = 0;
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++vline->index;
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textui_refresh_characters(window, window->vline_operating, vline->index - 1, 1);
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// 换行
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if (vline->index >= window->chars_per_line)
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{
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__textui_new_line(window, window->vline_operating);
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}
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}
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else
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{
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// todo: 支持纯文本字符
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while (1)
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pause();
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}
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return 0;
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}
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/**
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* @brief 在指定窗口上输出一个字符
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*
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* @param window 窗口
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* @param character 字符
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* @return int
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*/
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int textui_putchar_window(struct textui_window_t *window, uint16_t character)
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{
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if (unlikely(character == '\0'))
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return 0;
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if (!textui_is_chromatic(window->flags)) // 暂不支持纯文本窗口
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return 0;
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uint64_t rflags = 0; // 加锁后rflags存储到这里
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spin_lock_irqsave(&window->lock, rflags);
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uart_send(COM1, character);
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if (unlikely(character == '\n'))
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{
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__textui_new_line(window, window->vline_operating);
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spin_unlock_irqrestore(&window->lock, rflags);
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return 0;
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}
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else if (character == '\t') // 输出制表符
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{
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int space_to_print = 8 - window->vlines.chromatic[window->vline_operating].index % 8;
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while (space_to_print--)
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{
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__textui_putchar_window(window, ' ');
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}
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}
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else if (character == '\b') // 退格
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{
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--window->vlines.chromatic[window->vline_operating].index;
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{
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uint16_t tmp = window->vlines.chromatic[window->vline_operating].index;
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window->vlines.chromatic[window->vline_operating].chars[tmp].c = ' ';
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textui_refresh_characters(window, window->vline_operating, tmp, 1);
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}
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// 需要向上缩一行
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if (window->vlines.chromatic[window->vline_operating].index < 0)
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{
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window->vlines.chromatic[window->vline_operating].index = 0;
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memset(window->vlines.chromatic[window->vline_operating].chars, 0, sizeof(struct textui_char_chromatic_t) * window->chars_per_line);
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--window->vline_operating;
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if (unlikely(window->vline_operating < 0))
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window->vline_operating = window->vlines_num - 1;
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// 考虑是否向上滚动
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if (likely(window->vlines_used >= __private_info.actual_line))
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{
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--window->top_vline;
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if (unlikely(window->top_vline < 0))
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window->top_vline = window->vlines_num - 1;
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}
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--window->vlines_used;
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textui_refresh_vlines(window, window->top_vline, __private_info.actual_line);
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}
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}
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else
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__textui_putchar_window(window, character);
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spin_unlock_irqrestore(&window->lock, rflags);
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return 0;
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}
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/**
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* @brief 在默认窗口上输出一个字符
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*
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* @param character 字符
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* @return int
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*/
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int textui_putchar(uint16_t character)
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{
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return textui_putchar_window(__private_info.default_window, character);
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}
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/**
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* @brief 初始化text ui框架
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*
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* @return int
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*/
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int textui_init()
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{
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spin_init(&__window_id_lock);
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__window_max_id = 0;
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list_init(&__windows_list);
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memset(&textui_framework, 0, sizeof(struct scm_ui_framework_t));
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memset(&__private_info, 0, sizeof(struct textui_private_info_t));
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io_mfence();
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char name[] = "textUI";
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strcpy(textui_framework.name, name);
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textui_framework.ui_ops = &textui_ops;
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textui_framework.type = 0;
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// 注册框架到屏幕管理器
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int retval = scm_register(&textui_framework);
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if (retval != 0)
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{
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uart_send_str(COM1, "text ui init failed");
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while (1)
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pause();
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}
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uint16_t chars_per_vline = textui_framework.buf->width / TEXTUI_CHAR_WIDTH;
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uint16_t total_vlines = textui_framework.buf->height / TEXTUI_CHAR_HEIGHT;
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int cnt = chars_per_vline * total_vlines;
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struct textui_vline_chromatic_t *vl_ptr = __initial_vlines;
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struct textui_char_chromatic_t *ch_ptr = __initial_chars;
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// 初始化虚拟行
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for (int i = 0; i < total_vlines; ++i)
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{
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__textui_init_vline((vl_ptr + i), (ch_ptr + i * chars_per_vline));
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}
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// 初始化窗口
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__textui_init_window((&__initial_window), TEXTUI_WF_CHROMATIC, total_vlines, __initial_vlines, chars_per_vline);
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__private_info.current_window = &__initial_window;
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__private_info.default_window = &__initial_window;
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__private_info.actual_line = textui_framework.buf->height / TEXTUI_CHAR_HEIGHT;
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uart_send_str(COM1, "text ui initialized");
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return 0;
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} |