int main(void){
/*下边这样 会出错
char *src = "They are my friends!";
char *target = "aeiou";
*/
char src[] = "They are my friends!";
char target[] = "aeiou";
delete_ch(src, target);
printf("after delete, src : %s\n", src);
return 0;
}
int process_menu(uint8_t scancode)
{
static union _modifier_state modifier_state;
static uint8_t last_scancode;
uint8_t ret=0;
//Nur Flanke auswerten
if(last_scancode==0xff && scancode!=0xff)
{
//Taste gedrückt?
if(scancode!=0xff)
{
#ifndef AVR
caca_printf(cv,1,4,"8x8 scancode(0..63) = %i ",scancode);
#endif
//Wandlung von 8x8 Keycode auf ASCII oder Modifier
uint8_t c=characters[scancode];
uint8_t printable_char=0;
//Prüfen ob ASCII Zeichen
if(c)
{
//printf("%c %i\n",c,c);
if(modifier_state.SHIFT || modifier_state.CAPS)
{ //alternative Belegung
switch(c)
{
case '1': c='!'; break;
case '2': c='"'; break;
case '3': c='^'; break;
case '4': c='$'; break;
case '5': c='%'; break;
case '6': c='&'; break;
case '7': c='/'; break;
case '8': c='('; break;
case '9': c=')'; break;
case '0': c='='; break;
case '\\': c='?'; break;
case '+': c='*'; break;
case '#': c='\''; break;
case '<': c='>'; break;
case ',': c=';'; break;
case '.': c=':'; break;
case '@': c='|'; break;
default:
c = toupper(c);
break;
}
}
//Ist es auf dem LCD anzeigbar?
if(isprint(c))
{
//Shift zurücksetzen
modifier_state.SHIFT=0;
printable_char=c;
}
else
{
//Andere Funktion mit ASCII Zeichen wie \b, \r, \t
if(c=='\b')
{
if(cursor_x>0)
{
cursor_viewport_calc(_LEFT, &cursor_x,&cursor_y,&viewport_x,&viewport_y, 0);
delete_ch(cursor_x, cursor_y);
}
}
else if(c=='\r')
{
cursor_viewport_calc(_DOWN, &cursor_x,&cursor_y,&viewport_x,&viewport_y, 0);
cursor_x=get_line_end(cursor_y);
cursor_viewport_calc(0, &cursor_x,&cursor_y,&viewport_x,&viewport_y, 0);
}
//else if(c=='\t')
// TODO? ;
}
}
else /*muss ein Modifier, Cursor, Funktionstaste oder ähnlich sein*/
{
//printf("Not an ASCII char. scancode=%i\n",scancode);
switch(scancode)
{
case _SHIFT: modifier_state.SHIFT=1; break;
case _CAPS : modifier_state.CAPS=!modifier_state.CAPS; break;
case _ALT : modifier_state.ALT=!modifier_state.ALT; break;
case _STRG : modifier_state.STRG=1; break;
case _ENTF :if(modifier_state.SHIFT)
modifier_state.OVERWRITE=!modifier_state.OVERWRITE;
else
delete_ch(cursor_x, cursor_y);
break;
case _ENDE : cursor_x=(modifier_state.SHIFT)?0:get_line_end(cursor_y);
modifier_state.SHIFT=0;
break;
case _ESC : clr_text_buffer(); cursor_x=0; cursor_y=0; break;
default:
break;
}
//Nur wenn nicht SHIFT, sonst könnten es
//Cursortasten -_{} oder F3, F4 [] sein
if(!modifier_state.SHIFT)
{
switch(scancode)
{
case _F1: if(font_size>3) font_size--; updated_settings=1; break;
case _F2: if(font_size<9) font_size++; updated_settings=1; break;
case _F4: strncpy(font_name,strcmp(font_name,"rowmans")? "rowmans": "scripts", 10); updated_settings=1; break;
default:
break;
}
cursor_viewport_calc(scancode, &cursor_x,&cursor_y,&viewport_x,&viewport_y, modifier_state.ALT);
}
else
switch(scancode)
{
case _DOWN: printable_char='-'; break;
case _LEFT: printable_char='_'; break;
case _UP: printable_char='{'; break;
case _RIGHT: printable_char='}'; break;
case _F3: printable_char='['; break;
case _F4: printable_char=']'; break;
default:
break;
}
if(printable_char) //Shift zurücksetzen
modifier_state.SHIFT=0;
}
if(isprint(printable_char))
{
//Einfügen oder Überschreiben?
if(modifier_state.OVERWRITE)
text_buffer[cursor_y][cursor_x]=printable_char;
else
insert_ch(cursor_x, cursor_y, printable_char);
//Ein Zeichen weiter rechts
cursor_viewport_calc(_RIGHT, &cursor_x,&cursor_y,&viewport_x,&viewport_y, 0);
}
ret=1;
}
}
last_scancode=scancode;
#ifndef AVR
if(scancode!=0xff)
{
char line0[LCD_WIDTH+1];
char line1[LCD_WIDTH+1];
strncpy(line0,text_buffer[viewport_y]+viewport_x,LCD_WIDTH);
strncpy(line1,text_buffer[viewport_y+1]+viewport_x,LCD_WIDTH);
line0[LCD_WIDTH]=0;
line1[LCD_WIDTH]=0;
draw_lcd(line0, line1, viewport_x, viewport_y, cursor_x, cursor_y);
}
#endif
return ret;
}
