Code snippit: Basic button handler

/* 
	Button Handler
	By WinBoot
*/

int mouse_x; /* You still have to define this */
int mouse_y; /* You still have to define this */

char *storedKeyNames[256] = {
/* n° */	/* Name */
/* 01 */	"LButton",
/* 02 */	"RButton",
/* 03 */	"Cancel",
/* 04 */	"MiddleButton",
/* 05 */	"Backspace",
/* 06 */	"Tab",
/* 07 */	"Shift",
/* 08 */	"Control",
/* 09 */	"Alt",
/* 10 */	"Caps",	
/* 11 */	"Space",
/* 12 */	"Pageup",
/* 13 */	"Pagedown",
/* 14 */	"End",
/* 15 */	"Home",
/* 16 */	"Leftarrow",
/* 17 */	"Uparrow",
/* 18 */	"Rightarrow",
/* 19 */	"Downarrow"
};

int storedKeyValues[256] = {
/* n° */	/* ID */
/* 01 */	(int) 0x01,
/* 02 */	(int) 0x02,
/* 03 */	(int) 0x03,
/* 04 */	(int) 0x04,
/* 05 */	(int) 0x08,
/* 06 */	(int) 0x09,
/* 07 */	(int) 0x10,
/* 08 */	(int) 0x11,
/* 09 */	(int) 0x12,
/* 10 */	(int) 0x14,	
/* 11 */	(int) 0x20,
/* 12 */	(int) 0x21,
/* 13 */	(int) 0x22,
/* 14 */	(int) 0x23,
/* 15 */	(int) 0x24,
/* 16 */	(int) 0x25,
/* 17 */	(int) 0x26,
/* 18 */	(int) 0x27,
/* 19 */	(int) 0x28
};

int getKeyIDByName( char *keyname ) {
	int output = -1;
	for ( int i = 0; i < 256; i++ ) {
		if ( strcmp( keyname, storedKeyNames[ i ] ) ) {
			output = storedKeyValues[ i ];
			break;
		}
	}
	return output;
}

bool buttonPress( char *keyname ) {
	int tID = getKeyIDByName( keyname );

	if ( ( tID != NULL ) && ( tID != -1 ) ) {
		if ( GetAsyncKeyState( tID ) && 1 == 1 )
			return true;
		else
			return false;
	}
	else
		return false;
}

bool buttonPressRange( char *keyname, int x, int y, int w, int h ) {
	if ( buttonPress( keyname ) ) {
		if ( ( mouse_x > x ) &&
		     ( mouse_x < x+w ) &&
		     ( mouse_y > y ) &&
		     ( mouse_y < y+h ) ) {
			return true;
		}
		else
			return false;
	}
	else
		return false;
}