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tty修复\t\r等控制字符光标图像残留的问题

This commit is contained in:
pointer-to-bios 2024-03-09 16:59:54 +08:00
parent 5dc9de8195
commit 9b9fcc87cf
1 changed files with 3 additions and 0 deletions
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3
src/kernel/tty/tty.c
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@ -175,17 +175,20 @@ void tty_text_print(tty *ttyx, char *string, u32 color, u32 bgcolor)
} }
else if (c == '\t') else if (c == '\t')
{ // 水平制表符 { // 水平制表符
putchar(ttyx, ' ', 0, 0);
ttyx->text.column += 8; ttyx->text.column += 8;
ttyx->text.column -= ttyx->text.column % 8; ttyx->text.column -= ttyx->text.column % 8;
continue; continue;
} }
else if (c == '\r') else if (c == '\r')
{ // 回到行首 { // 回到行首
putchar(ttyx, ' ', 0, 0);
ttyx->text.column = 0; ttyx->text.column = 0;
continue; continue;
} }
else if (c == '\v') else if (c == '\v')
{ // 垂直制表符 { // 垂直制表符
putchar(ttyx, ' ', 0, 0);
ttyx->text.line++; ttyx->text.line++;
if (ttyx->text.line == ttyx->text.height) if (ttyx->text.line == ttyx->text.height)
{ {