int nx_move(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset)
{
#ifdef CONFIG_DEBUG_FEATURES
if (!hwnd)
{
errno = EINVAL;
return ERROR;
}
#endif
nxbe_move((FAR struct nxbe_window_s *)hwnd, rect, offset);
return OK;
}
int nx_runinstance(FAR const char *mqname, FAR NX_DRIVERTYPE *dev)
{
struct nxfe_state_s fe;
FAR struct nxsvrmsg_s *msg;
uint8_t buffer[NX_MXSVRMSGLEN];
int nbytes;
int ret;
/* Initialization *********************************************************/
/* Sanity checking */
#ifdef CONFIG_DEBUG
if (!mqname || !dev)
{
errno = EINVAL;
return ERROR;
}
#endif
/* Initialize and configure the server */
ret = nxmu_setup(mqname, dev, &fe);
if (ret < 0)
{
return ret; /* nxmu_setup sets errno */
}
/* Produce the initial, background display */
nxbe_redraw(&fe.be, &fe.be.bkgd, &fe.be.bkgd.bounds);
/* Message Loop ***********************************************************/
/* Then loop forever processing incoming messages */
for (;;)
{
/* Receive the next server message */
nbytes = mq_receive(fe.conn.crdmq, buffer, NX_MXSVRMSGLEN, 0);
if (nbytes < 0)
{
if (errno != EINTR)
{
gdbg("mq_receive failed: %d\n", errno);
goto errout; /* mq_receive sets errno */
}
continue;
}
/* Dispatch the message appropriately */
DEBUGASSERT(nbytes >= sizeof(struct nxsvrmsg_s));
msg = (FAR struct nxsvrmsg_s *)buffer;
gvdbg("Received opcode=%d nbytes=%d\n", msg->msgid, nbytes);
switch (msg->msgid)
{
/* Messages sent from clients to the NX server *********************/
case NX_SVRMSG_CONNECT: /* Establish connection with new NX server client */
{
FAR struct nxsvrmsg_s *connmsg = (FAR struct nxsvrmsg_s *)buffer;
nxmu_connect(connmsg->conn);
}
break;
case NX_SVRMSG_DISCONNECT: /* Tear down connection with terminating client */
{
FAR struct nxsvrmsg_s *disconnmsg = (FAR struct nxsvrmsg_s *)buffer;
nxmu_disconnect(disconnmsg->conn);
}
break;
case NX_SVRMSG_OPENWINDOW: /* Create a new window */
{
FAR struct nxsvrmsg_openwindow_s *openmsg = (FAR struct nxsvrmsg_openwindow_s *)buffer;
nxmu_openwindow(&fe.be, openmsg->wnd);
}
break;
case NX_SVRMSG_CLOSEWINDOW: /* Close an existing window */
{
FAR struct nxsvrmsg_closewindow_s *closemsg = (FAR struct nxsvrmsg_closewindow_s *)buffer;
nxbe_closewindow(closemsg->wnd);
}
break;
case NX_SVRMSG_BLOCKED: /* Block messsages to a window */
{
FAR struct nxsvrmsg_blocked_s *blocked = (FAR struct nxsvrmsg_blocked_s *)buffer;
nxmu_blocked(blocked->wnd, blocked->arg);
}
break;
case NX_SVRMSG_REQUESTBKGD: /* Give access to the background window */
{
FAR struct nxsvrmsg_requestbkgd_s *rqbgmsg = (FAR struct nxsvrmsg_requestbkgd_s *)buffer;
nxmu_requestbkgd(rqbgmsg->conn, &fe.be, rqbgmsg->cb, rqbgmsg->arg);
}
break;
case NX_SVRMSG_RELEASEBKGD: /* End access to the background window */
{
nxmu_releasebkgd(&fe);
}
break;
case NX_SVRMSG_SETPOSITION: /* Change window position */
{
FAR struct nxsvrmsg_setposition_s *setposmsg = (FAR struct nxsvrmsg_setposition_s *)buffer;
nxbe_setposition(setposmsg->wnd, &setposmsg->pos);
}
break;
case NX_SVRMSG_SETSIZE: /* Change window size */
{
FAR struct nxsvrmsg_setsize_s *setsizemsg = (FAR struct nxsvrmsg_setsize_s *)buffer;
nxbe_setsize(setsizemsg->wnd, &setsizemsg->size);
}
break;
case NX_SVRMSG_GETPOSITION: /* Get the window size/position */
{
FAR struct nxsvrmsg_getposition_s *getposmsg = (FAR struct nxsvrmsg_getposition_s *)buffer;
nxfe_reportposition(getposmsg->wnd);
}
break;
case NX_SVRMSG_RAISE: /* Move the window to the top of the display */
{
FAR struct nxsvrmsg_raise_s *raisemsg = (FAR struct nxsvrmsg_raise_s *)buffer;
nxbe_raise(raisemsg->wnd);
}
break;
case NX_SVRMSG_LOWER: /* Lower the window to the bottom of the display */
{
FAR struct nxsvrmsg_lower_s *lowermsg = (FAR struct nxsvrmsg_lower_s *)buffer;
nxbe_lower(lowermsg->wnd);
}
break;
case NX_SVRMSG_SETPIXEL: /* Set a single pixel in the window with a color */
{
FAR struct nxsvrmsg_setpixel_s *setmsg = (FAR struct nxsvrmsg_setpixel_s *)buffer;
nxbe_setpixel(setmsg->wnd, &setmsg->pos, setmsg->color);
}
break;
case NX_SVRMSG_FILL: /* Fill a rectangular region in the window with a color */
{
FAR struct nxsvrmsg_fill_s *fillmsg = (FAR struct nxsvrmsg_fill_s *)buffer;
nxbe_fill(fillmsg->wnd, &fillmsg->rect, fillmsg->color);
}
break;
case NX_SVRMSG_GETRECTANGLE: /* Get a rectangular region from the window */
{
FAR struct nxsvrmsg_getrectangle_s *getmsg = (FAR struct nxsvrmsg_getrectangle_s *)buffer;
nxbe_getrectangle(getmsg->wnd, &getmsg->rect, getmsg->plane, getmsg->dest, getmsg->deststride);
if (getmsg->sem_done)
{
sem_post(getmsg->sem_done);
}
}
break;
case NX_SVRMSG_FILLTRAP: /* Fill a trapezoidal region in the window with a color */
{
FAR struct nxsvrmsg_filltrapezoid_s *trapmsg = (FAR struct nxsvrmsg_filltrapezoid_s *)buffer;
nxbe_filltrapezoid(trapmsg->wnd, &trapmsg->clip, &trapmsg->trap, trapmsg->color);
}
break;
case NX_SVRMSG_MOVE: /* Move a rectangular region within the window */
{
FAR struct nxsvrmsg_move_s *movemsg = (FAR struct nxsvrmsg_move_s *)buffer;
nxbe_move(movemsg->wnd, &movemsg->rect, &movemsg->offset);
}
break;
case NX_SVRMSG_BITMAP: /* Copy a rectangular bitmap into the window */
{
FAR struct nxsvrmsg_bitmap_s *bmpmsg = (FAR struct nxsvrmsg_bitmap_s *)buffer;
nxbe_bitmap(bmpmsg->wnd, &bmpmsg->dest, bmpmsg->src, &bmpmsg->origin, bmpmsg->stride);
if (bmpmsg->sem_done)
{
sem_post(bmpmsg->sem_done);
}
}
break;
case NX_SVRMSG_SETBGCOLOR: /* Set the color of the background */
{
FAR struct nxsvrmsg_setbgcolor_s *bgcolormsg =
(FAR struct nxsvrmsg_setbgcolor_s *)buffer;
/* Has the background color changed? */
if (!nxgl_colorcmp(fe.be.bgcolor, bgcolormsg->color))
{
/* Yes.. fill the background */
nxgl_colorcopy(fe.be.bgcolor, bgcolormsg->color);
nxbe_fill(&fe.be.bkgd, &fe.be.bkgd.bounds, bgcolormsg->color);
}
}
break;
#ifdef CONFIG_NX_XYINPUT
case NX_SVRMSG_MOUSEIN: /* New mouse report from mouse client */
{
FAR struct nxsvrmsg_mousein_s *mousemsg = (FAR struct nxsvrmsg_mousein_s *)buffer;
nxmu_mousein(&fe, &mousemsg->pt, mousemsg->buttons);
}
break;
#endif
#ifdef CONFIG_NX_KBD
case NX_SVRMSG_KBDIN: /* New keyboard report from keyboard client */
{
FAR struct nxsvrmsg_kbdin_s *kbdmsg = (FAR struct nxsvrmsg_kbdin_s *)buffer;
nxmu_kbdin(&fe, kbdmsg->nch, kbdmsg->ch);
}
break;
#endif
case NX_SVRMSG_REDRAWREQ: /* Request re-drawing of rectangular region */
{
FAR struct nxsvrmsg_redrawreq_s *redrawmsg = (FAR struct nxsvrmsg_redrawreq_s *)buffer;
nxfe_redrawreq(redrawmsg->wnd, &redrawmsg->rect);
}
break;
/* Messages sent to the background window **************************/
case NX_CLIMSG_REDRAW: /* Re-draw the background window */
{
FAR struct nxclimsg_redraw_s *redraw = (FAR struct nxclimsg_redraw_s *)buffer;
DEBUGASSERT(redraw->wnd == &fe.be.bkgd);
gvdbg("Re-draw background rect={(%d,%d),(%d,%d)}\n",
redraw->rect.pt1.x, redraw->rect.pt1.y,
redraw->rect.pt2.x, redraw->rect.pt2.y);
nxbe_fill(&fe.be.bkgd, &redraw->rect, fe.be.bgcolor);
}
break;
case NX_CLIMSG_MOUSEIN: /* Ignored */
case NX_CLIMSG_KBDIN:
break;
case NX_CLIMSG_CONNECTED: /* Shouldn't happen */
case NX_CLIMSG_DISCONNECTED:
default:
gdbg("Unrecognized command: %d\n", msg->msgid);
break;
}
}
errout:
nxmu_shutdown(&fe);
return OK;
}