//
// Update mouse status and issue events on it if necessary.
// This function doesn't block, but is normally only called when
// there is known to be some data waiting to be read from the mouse.
//
BOOL GsCheckMouseEvent(void)
{
MWCOORD rootx; // latest mouse x position
MWCOORD rooty; // latest mouse y position
int newbuttons; // latest buttons
int mousestatus; // latest mouse status
// Read the latest mouse status:
display_puts("mouse read\n");
mousestatus = GdReadMouse(&rootx, &rooty, &newbuttons);
if(mousestatus < 0) {
display_puts("Mouse error\n");
return FALSE;
} else if(mousestatus) { // Deliver events as appropriate:
/*
display_puts("mouse ");
sint2dec(rootx,s);
display_puts(s);
display_puts(",");
sint2dec(rooty,s);
display_puts(s);
display_puts(",");
long2hex(newbuttons,s);
display_puts(s);
display_puts("\n");
*/
if(newbuttons&0x1)
tstColorGd++;
GdSetForegroundPixelVal(psd, tstColorGd);
GdPoint(psd, rootx, rooty);
return TRUE;
}
return FALSE;
}
COLORREF WINAPI
SetPixel(HDC hdc, int x, int y, COLORREF crColor)
{
HWND hwnd;
POINT pt;
hwnd = MwPrepareDC(hdc);
if(!hwnd)
return 0; /* doesn't return previous color*/
pt.x = x;
pt.y = y;
if(MwIsClientDC(hdc))
ClientToScreen(hwnd, &pt);
/* draw point in passed color*/
GdSetForegroundColor(hdc->psd, crColor);
GdPoint(hdc->psd, pt.x, pt.y);
return 0; /* doesn't return previous color*/
}
