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#include "console.h"
#include <stdio.h>
#include <windows.h>
// pour la gestion du curseur dans la console
//#define CONSOLE_DISABLE_OUTPUT // si non commenté, ça bloque les focntions d'affichage
void console_init(CONSOLE_STRUCT *console){
console->screen.width = 80;
console->screen.high = 25;
console->cursor.x = 0;
console->cursor.y = 0;
console->echoMode = CONSOLE_ECHO_MODE_NORMAL;
console->inputBuf[0] = '\0';
}
void console_putch(CONSOLE_STRUCT *console, char c){
switch (c){
case '\r':
console->cursor.x = 0;
break;
case '\n':
console->cursor.x = 0;
console->cursor.y++;
break;
default:
console->cursor.x++;
if(console->cursor.x >= console->screen.width){
console->cursor.x = 0;
console->cursor.y++;
}
break;
}
if(console->echoMode == CONSOLE_ECHO_MODE_NORMAL){
#ifndef CONSOLE_DISABLE_OUTPUT
putc (c, stdout);
#endif
}
}
void console_puts(CONSOLE_STRUCT *console, const char *str){
while(*str != '\0'){
console_putch(console, *str);
str++;
}
}
int console_vsnprintf(CONSOLE_STRUCT *console, int maxsize, const char *fmt, va_list arg_ptr){
int len;
if(maxsize > CONSOLE_INPUT_BUF_SIZE){
maxsize = CONSOLE_INPUT_BUF_SIZE;
}
len = vsnprintf(console->inputBuf, maxsize, fmt, arg_ptr);
console_puts(console, console->inputBuf);
return len;
}
int console_vsprintf(CONSOLE_STRUCT *console, const char *fmt, va_list arg_ptr){
int len;
len = console_vsnprintf(console, CONSOLE_INPUT_BUF_SIZE, fmt, arg_ptr);
return len;
}
int console_printf(CONSOLE_STRUCT *console, const char *fmt, ...){
va_list arg_ptr;
int len;
va_start(arg_ptr, fmt);
len = console_vsprintf(console, fmt, arg_ptr);
va_end(arg_ptr);
return len;
}
// il faut gérer le scanf car sinon lorsqu'on appuye sur la touche entrée, le '\n' n'est pas prix en compte
void console_scanf(CONSOLE_STRUCT *console, const char *fmt, ...){
va_list arg_ptr;
if(fgets(console->inputBuf, CONSOLE_INPUT_BUF_SIZE, stdin) == NULL){
return;
}
console->echoMode = CONSOLE_ECHO_MODE_DONT_ECHO; // pour ne pas que les caractères soient imprimés
console_puts(console, console->inputBuf);
console->echoMode = CONSOLE_ECHO_MODE_NORMAL;
va_start(arg_ptr, fmt);
vsscanf(console->inputBuf, fmt, arg_ptr);
va_end(arg_ptr);
}
void console_getCursorPosition(const CONSOLE_STRUCT *console, CONSOLE_CURSOR *cursor){
cursor->x = console->cursor.x;
cursor->y = console->cursor.y;
}
void console_setCursorPosition(CONSOLE_STRUCT *console, const CONSOLE_CURSOR *cursor){
// utilise #include <windows.h>
/* STD_OUTPUT_HANDLE fait reference a la sortie standard du programme qui est par defaut la console */
#ifndef CONSOLE_DISABLE_OUTPUT
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
#endif
COORD Pos;
Pos.X = cursor->x;
Pos.Y = cursor->y;
#ifndef CONSOLE_DISABLE_OUTPUT
SetConsoleCursorPosition(hConsole, Pos);
#endif
console->cursor.x = cursor->x;
console->cursor.y = cursor->y;
}
void console_overwriteField(CONSOLE_STRUCT *console, const CONSOLE_CURSOR *cursor, int len, const char *fmt, ...){
console_setCursorPosition(console, cursor);
va_list arg_ptr;
int i, loc_len;
va_start(arg_ptr, fmt);
loc_len = console_vsnprintf(console, len+1, fmt, arg_ptr);
va_end(arg_ptr);
for(i=loc_len; i<len; i++){
console_putch(console, ' ');
}
} |
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