void
readmouse(Vnc *v)
{
int cursorfd, len, n;
char buf[10*EventSize], *start, *end;
uchar curs[2*4+2*2*16];
Cursor *cs;
Mouse m;
cs = &dotcursor;
snprint(buf, sizeof buf, "%s/cursor", display->devdir);
if((cursorfd = open(buf, OWRITE)) < 0)
sysfatal("open %s: %r", buf);
BPLONG(curs+0*4, cs->offset.x);
BPLONG(curs+1*4, cs->offset.y);
memmove(curs+2*4, cs->clr, 2*2*16);
write(cursorfd, curs, sizeof curs);
resize(v, 1);
requestupdate(vnc, 0);
start = end = buf;
len = 0;
for(;;) {
if((n = read(mousefd, end, sizeof(buf) - (end - buf))) < 0)
sysfatal("read mouse failed");
len += n;
end += n;
while(len >= EventSize) {
if(*start == 'm') {
m.xy.x = atoi(start+1);
m.xy.y = atoi(start+1+12);
m.buttons = atoi(start+1+2*12) & 0x1F;
m.xy = subpt(m.xy, screen->r.min);
if(ptinrect(m.xy, Rpt(ZP, v->dim))) {
mouseevent(v, m);
/* send wheel button *release* */
if ((m.buttons & 0x7) != m.buttons) {
m.buttons &= 0x7;
mouseevent(v, m);
}
}
} else
eresized();
start += EventSize;
len -= EventSize;
}
if(start - buf > sizeof(buf) - EventSize) {
memmove(buf, start, len);
start = buf;
end = start+len;
}
}
}
static EVENT MouseEventProc( void )
{
ORD stat = 0;
int row;
int col;
if( RdosGetLeftButton() )
stat |= MOUSE_PRESS;
if( RdosGetRightButton() )
stat |= MOUSE_PRESS_RIGHT;
RdosGetMousePosition( &col, &row );
if( stat != currMouseStatus ) {
if( !(stat & MOUSE_PRESS) && (currMouseStatus & MOUSE_PRESS) )
RdosGetLeftButtonReleasePosition( &col, &row );
if( !(stat & MOUSE_PRESS_RIGHT) && (currMouseStatus & MOUSE_PRESS_RIGHT) )
RdosGetRightButtonReleasePosition( &col, &row );
if( (stat & MOUSE_PRESS) && !(currMouseStatus & MOUSE_PRESS) )
RdosGetLeftButtonPressPosition( &col, &row );
if( (stat & MOUSE_PRESS_RIGHT) && !(currMouseStatus & MOUSE_PRESS_RIGHT) )
RdosGetRightButtonPressPosition( &col, &row );
}
currMouseRow = row;
currMouseCol = col;
currMouseStatus = stat;
return mouseevent();
}
EVENT intern getanyevent( void )
{
INPUT_RECORD ir;
DWORD rd,ss;
WORD vk;
EVENT ascii;
BOOL has_alt, has_shift, has_ctrl;
map *ev,what;
EVENT evnt;
for( ;; ) {
PeekConsoleInput( InputHandle, &ir, 1, &rd );
if( rd == 0 ) return( EV_NO_EVENT );
ReadConsoleInput( InputHandle, &ir, 1, &rd );
if( eventWeWant( &ir ) ) {
if( ir.EventType != MOUSE_EVENT ) break;
evnt = mouseevent();
if( evnt > EV_NO_EVENT ) return( evnt );
}
}
vk = ir.Event.KeyEvent.wVirtualKeyCode;
ascii = ir.Event.KeyEvent.uChar.AsciiChar;
ss = ir.Event.KeyEvent.dwControlKeyState;
has_shift = ss & SHIFT_PRESSED;
has_ctrl = ss & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED);
has_alt = ss & (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED);
setshiftstate( has_shift, has_ctrl, has_alt );
what.vk = vk;
ev = bsearch( &what, events, sizeof( events )/sizeof( map ),
sizeof( what ), CompareEvents );
if( ev != NULL ) {
if( has_shift ) {
ascii = ev->shift;
} else if( has_ctrl ) {
ascii = ev->ctrl;
} else if( has_alt ) {
ascii = ev->alt;
} else {
ascii = ev->reg;
}
} else if( ascii == 0 ) {
ascii = EV_NO_EVENT;
}
if( ascii > EV_NO_EVENT ) {
uihidemouse();
}
return( ascii );
} /* getanyevent */
EVENT td_event( void )
{
EVENT ev;
ev = td_sizeevent();
if( ev > EV_NO_EVENT ) return( ev );
/* In a terminal environment we have to go for the keyboard first,
since that's how the mouse events are coming in */
ev = tk_keyboardevent();
if( ev > EV_NO_EVENT ) {
uihidemouse();
return( ev );
}
return( mouseevent() );
}
EVENT cd_event( void )
{
EVENT ev;
ev = cd_sizeevent();
if( ev > EV_NO_EVENT )
return( ev );
ev = mouseevent();
if( ev > EV_NO_EVENT )
return( ev );
ev = ck_keyboardevent();
if( ev == EV_NO_EVENT )
return( ev );
uihidemouse();
return( ev );
}
