示例#1
0
文件: nx_move.c 项目: a1ien/nuttx
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;
}
示例#2
0
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;
}