www.pudn.com > screensaver.rar > vkey.c

#include "vkey.h" 
#include "genlib.h" 
#include "GUILib.h" 
#include "strlib.h" 
 
#define GENKEY(L,T,C) GenWindow(L, T, KEY_SIZE, KEY_SIZE, C, onKeyClick, NULL, NULL, NULL, NULL, NULL) 
#define START_X 0.3 
#define START_Y 1.3 
 
static void onKeyClick(handle_t win); 
 
static handle_t arrKeys[95]; 
static void (*EventOnKey)(char ch); 
 
void SetupKeyboard(void (*onKey)(char ch)) 
{ 
	handle_t win; 
	char i; 
	double left; 
	double top; 
 
	EventOnKey = onKey; 
 
	top = START_Y; 
 
	left = START_X; 
 
	for(i = 32; i <= 126; i ++) 
	{ 
		if ((left + KEY_SIZE) > WINDOW_WIDTH) 
		{ 
			top -= (KEY_SIZE + KEY_SPACE); 
			left = START_X; 
		} 
 
		win = GENKEY(left, top, CharToString(i)); 
		arrKeys[i - 32] = win; 
		CreateWindow(win); 
		left += (KEY_SIZE + KEY_SPACE); 
	} 
} 
 
void RemoveKeyboard() 
{ 
	char i; 
	for(i = 0; i < 95; i++) 
	{ 
		RemoveWindow(arrKeys[i]); 
	} 
	RedrawAll(); 
} 
 
static void onKeyClick(handle_t win) 
{ 
	EventOnKey(win->text[0]); 
}