int main(int argc, char *argv[]) {
XEvent event;
KeySym keysym;
char keychar[255];
uint32_t timestamp = 0;
uint32_t current;
init_x();
pixel_start(WIDTH, HEIGHT, argv[1]);
for (;;) {
while(XPending(g_X.display) > 0) {
XNextEvent(g_X.display, &event);
if (XFilterEvent(&event, None))
continue;
switch (event.type) {
case Expose:
if (event.xexpose.count==0) {
pixel_frame(0.01f);
glXSwapBuffers(g_X.display, g_X.wnd);
}
break;
case KeyPress:
XLookupString(&event.xkey, keychar, 255, &keysym, 0);
pixel_key(KEY_DOWN, keychar[0]);
break;
case KeyRelease:
XLookupString(&event.xkey, keychar, 255, &keysym, 0);
pixel_key(KEY_UP, keychar[0]);
break;
case ButtonPress:
pixel_touch(0, TOUCH_BEGIN, event.xbutton.x, event.xbutton.y);
break;
case ButtonRelease:
pixel_touch(0, TOUCH_END, event.xbutton.x, event.xbutton.y);
break;
case MotionNotify:
pixel_touch(0, TOUCH_MOVE, event.xbutton.x, event.xbutton.y);
break;
case ClientMessage:
if ((Atom)event.xclient.data.l[0] == wm_delete_window) {
Display *dis;
pixel_close();
glXMakeCurrent(g_X.display, g_X.wnd, NULL);
dis = g_X.display;
XFreeGC(dis, gc);
XDestroyWindow(dis, g_X.wnd);
XCloseDisplay(dis);
exit(0);
}
break;
}
}
current = _gettime();
if (current - timestamp >= UPDATE_INTERVAL) {
float t = (current - timestamp)/100.0f;
timestamp = current;
pixel_update(t);
pixel_frame(t);
glXSwapBuffers(g_X.display, g_X.wnd);
} else {
usleep(1000);
}
}
}
UINT32 hd44780_device::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
assert(height*9 <= bitmap.height() && width*6 <= bitmap.width());
bitmap.fill(0, cliprect);
if (m_display_on)
for (int l=0; l<height; l++)
for (int i=0; i<width; i++)
{
UINT8 line_base = l * 0x40;
UINT8 line_size = (m_num_line) ? 40 : 80;
INT8 char_pos = line_base + i;
char_pos += m_disp_shift;
while (char_pos < 0 || (char_pos - line_base) >= line_size)
{
if (char_pos < 0)
char_pos += line_size;
else if (char_pos - line_base >= line_size)
char_pos -= line_size;
}
for (int y=0; y<8; y++)
for (int x=0; x<5; x++)
if (m_ddram[char_pos] <= 0x10)
{
//draw CGRAM characters
pixel_update(bitmap, l, i, y, x, BIT(m_cgram[(m_ddram[char_pos]&0x07)*8+y], 4-x));
}
else
{
//draw CGROM characters
if (region()->bytes() <= 0x800)
{
pixel_update(bitmap, l, i, y, x, BIT(region()->u8(m_ddram[char_pos]*8+y), 4-x));
}
else
{
if(m_ddram[char_pos] < 0xe0)
pixel_update(bitmap, l, i, y, x, BIT(region()->u8(m_ddram[char_pos]*8+y), 4-x));
else
pixel_update(bitmap, l, i, y, x, BIT(region()->u8(0x700+((m_ddram[char_pos]-0xe0)*11)+y), 4-x));
}
}
// if is the correct position draw cursor and blink
if (char_pos == m_cursor_pos)
{
//draw the cursor
if (m_cursor_on)
for (int x=0; x<5; x++)
pixel_update(bitmap, l, i, 7, x, 1);
if (!m_blink && m_blink_on)
for (int y=0; y<7; y++)
for (int x=0; x<5; x++)
pixel_update(bitmap, l, i, y, x, 1);
}
}
return 0;
}
