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[shell] Redraw prompt on ^L

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This commit is contained in:
Kevin Lange 2011-11-23 21:22:25 -06:00
parent 63f57855bf
commit 65e6b0e800
3 changed files with 8 additions and 0 deletions
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5
kernel/core/kprintf.c
View File

@ -162,6 +162,7 @@ int kgets_collected = 0;
int kgets_want = 0;
int kgets_newline = 0;
int kgets_cancel = 0;
kgets_redraw_t kgets_redraw_func = NULL;
static void
kwrite(
@ -192,6 +193,9 @@ kgets_handler(
return;
} else if (ch == '\x0c') {
kprintf("\033[J");
if (kgets_redraw_func) {
kgets_redraw_func();
}
kprintf(kgets_buffer);
return;
} else if (ch == '\n') {
@ -234,6 +238,7 @@ kgets(
buffer[kgets_collected] = '\0';
/* Disable the buffer */
keyboard_buffer_handler = NULL;
kgets_redraw_func = NULL;
/* Return the string */
return kgets_collected;
}

1
kernel/core/shell.c
View File

@ -328,6 +328,7 @@ start_shell() {
char buffer[1024];
int size;
/* Read commands */
kgets_redraw_func = redraw_shell;
size = kgets((char *)&buffer, 1023);
if (size < 1) {
continue;

2
kernel/include/system.h
View File

@ -125,6 +125,8 @@ extern void mouse_install();
extern void kprintf(const char *fmt, ...);
extern int sprintf(char *buf, const char *fmt, ...);
extern int kgets(char *buf, int size);
typedef void (*kgets_redraw_t)();
extern kgets_redraw_t kgets_redraw_func;
/* Memory Management */
extern uintptr_t placement_pointer;