LOCAL void rfb_focuswindow(struct rfb_Display *mod, struct rfb_Window *v)
{
TAPTR TExecBase = TGetExecBase(mod);
TIMSG *imsg;
if (v == mod->rfb_FocusWindow || (v && (v->rfbw_Flags & RFBWFL_IS_POPUP)))
return;
if (mod->rfb_FocusWindow)
{
if (rfb_getimsg(mod, mod->rfb_FocusWindow, &imsg, TITYPE_FOCUS))
{
imsg->timsg_Code = 0;
TPutMsg(mod->rfb_FocusWindow->rfbw_IMsgPort, TNULL, imsg);
}
}
if (v)
{
if (rfb_getimsg(mod, v, &imsg, TITYPE_FOCUS))
{
imsg->timsg_Code = 1;
TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
}
}
mod->rfb_FocusWindow = v;
}
static TBOOL rfb_passevent(RFBDISPLAY *mod, RFBWINDOW *v, TIMSG *omsg)
{
TAPTR TExecBase = TGetExecBase(mod);
TUINT type = omsg->timsg_Type;
if (v && (v->rfbw_InputMask & type))
{
TIMSG *imsg;
if (rfb_getimsg(mod, v, &imsg, omsg->timsg_Type))
{
TINT x = omsg->timsg_MouseX;
TINT y = omsg->timsg_MouseY;
mod->rfb_MouseX = x;
mod->rfb_MouseY = y;
imsg->timsg_Code = omsg->timsg_Code;
imsg->timsg_Qualifier = omsg->timsg_Qualifier;
imsg->timsg_MouseX = x - v->rfbw_WinRect[0];
imsg->timsg_MouseY = y - v->rfbw_WinRect[1];
imsg->timsg_ScreenMouseX = x;
imsg->timsg_ScreenMouseY = y;
memcpy(imsg->timsg_KeyCode, omsg->timsg_KeyCode, 8);
TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
return TTRUE;
}
}
return TFALSE;
}
static TBOOL rfb_passevent(struct rfb_Display *mod, struct rfb_Window *v,
TIMSG *omsg)
{
TAPTR TExecBase = TGetExecBase(mod);
TUINT type = omsg->timsg_Type;
if (v && (v->rfbw_InputMask & type))
{
TIMSG *imsg;
if (rfb_getimsg(mod, v, &imsg, omsg->timsg_Type))
{
/* note: screen coordinates */
TINT x = omsg->timsg_MouseX;
TINT y = omsg->timsg_MouseY;
mod->rfb_MouseX = x;
mod->rfb_MouseY = y;
imsg->timsg_Code = omsg->timsg_Code;
imsg->timsg_Qualifier = omsg->timsg_Qualifier;
imsg->timsg_MouseX = x - v->rfbw_ScreenRect.r[0];
imsg->timsg_MouseY = y - v->rfbw_ScreenRect.r[1];
imsg->timsg_ScreenMouseX = x;
imsg->timsg_ScreenMouseY = y;
memcpy(imsg->timsg_KeyCode, omsg->timsg_KeyCode, 8);
TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
return TTRUE;
}
}
return TFALSE;
}
static int tek_lib_exec_sendmsg(lua_State *L)
{
struct LuaExecTask *lexec = tek_lib_exec_check(L);
struct TExecBase *TExecBase = lexec->exec;
const char *taskname = luaL_checkstring(L, 1);
size_t msglen;
const char *src = luaL_checklstring(L, 2, &msglen);
TAPTR ref, task;
char *msg = TAllocMsg(msglen + TEK_LIB_TASKNAME_LEN);
if (msg == TNULL)
luaL_error(L, "out of memory");
task = tek_lib_exec_locktask(TExecBase, taskname, &ref);
if (task)
{
memcpy(msg, src, msglen);
strcpy(msg + msglen, lexec->taskname);
TPutMsg(TGetUserPort(task), TNULL, msg);
tek_lib_exec_unlocktask(TExecBase, ref);
lua_pushboolean(L, TTRUE);
}
else
{
TFree(msg);
lua_pushnil(L);
}
return 1;
}
static TBOOL tek_lib_exec_sendtaskport(struct TTask *task,
const char *portname, const char *buf, size_t len)
{
struct TExecBase *TExecBase = TGetExecBase(task);
char atomname[256];
TAPTR atom;
TBOOL success = TFALSE;
sprintf(atomname, "msgport.%s.%p", portname, task);
atom = TLockAtom(atomname, TATOMF_SHARED | TATOMF_NAME);
if (atom)
{
TAPTR imsgport = (TAPTR) TGetAtomData(atom);
if (imsgport)
{
TAPTR msg = TAllocMsg0(len);
if (msg)
{
memcpy(msg, buf, len);
TPutMsg(imsgport, TNULL, msg);
success = TTRUE;
}
}
TUnlockAtom(atom, TATOMF_KEEP);
}
return success;
}
LOCAL void fb_sendimessages(WINDISPLAY *mod, TBOOL do_interval)
{
struct TExecBase *TExecBase = TGetExecBase(mod);
struct TNode *next, *node = mod->fbd_VisualList.tlh_Head;
for (; (next = node->tln_Succ); node = next)
{
WINWINDOW *v = (WINWINDOW *) node;
TIMSG *imsg;
if (do_interval && (v->fbv_InputMask & TITYPE_INTERVAL) &&
fb_getimsg(mod, v, &imsg, TITYPE_INTERVAL))
TPutMsg(v->fbv_IMsgPort, TNULL, imsg);
while ((imsg = (TIMSG *) TRemHead(&v->fbv_IMsgQueue)))
TPutMsg(v->fbv_IMsgPort, TNULL, imsg);
}
}
static int tek_lib_exec_child_sendmsg(lua_State *L)
{
struct LuaExecChild *ctx = luaL_checkudata(L, 1, TEK_LIB_TASK_CLASSNAME);
if (ctx->task)
{
struct TExecBase *TExecBase = ctx->exec;
size_t len;
const char *buf = luaL_checklstring(L, 2, &len);
char *msg = TAllocMsg(len + TEK_LIB_TASKNAME_LEN);
if (msg == TNULL)
luaL_error(L, "out of memory");
memcpy(msg, buf, len);
strcpy(msg + len, ctx->parent->taskname);
TPutMsg(TGetUserPort(ctx->task), TNULL, msg);
}
else
luaL_error(L, "closed handle");
return 0;
}
LOCAL void x11_sendimessages(struct X11Display *mod)
{
TAPTR TExecBase = TGetExecBase(mod);
struct TNode *next, *node = mod->x11_vlist.tlh_Head.tln_Succ;
for (; (next = node->tln_Succ); node = next)
{
struct X11Window *v = (struct X11Window *) node;
TIMSG *imsg;
while ((imsg = (TIMSG *) TRemHead(&v->imsgqueue)))
{
/* only certain input message types are sent two-way */
struct TMsgPort *rport = imsg->timsg_Type == TITYPE_REQSELECTION ?
mod->x11_IReplyPort : TNULL;
TPutMsg(v->imsgport, rport, imsg);
}
}
}
static TMODAPI void
fb_beginio(WINDISPLAY *mod, struct TVRequest *req)
{
struct TExecBase *TExecBase = TGetExecBase(mod);
TPutMsg(mod->fbd_CmdPort, req->tvr_Req.io_ReplyPort, req);
}
static void rfb_processevent(RFBDISPLAY *mod)
{
TAPTR TExecBase = TGetExecBase(mod);
TIMSG *msg;
if (mod->rfb_RndIMsgPort == TNULL)
return;
while ((msg = TGetMsg(mod->rfb_RndIMsgPort)))
{
/*RFBWINDOW *v = (RFBWINDOW *) msg->timsg_Instance;*/
TIMSG *imsg;
switch (msg->timsg_Type)
{
case TITYPE_INTERVAL:
TDBPRINTF(TDB_WARN,("unhandled event: INTERVAL\n"));
break;
case TITYPE_REFRESH:
{
TINT drect[4];
drect[0] = msg->timsg_X;
drect[1] = msg->timsg_Y;
drect[2] = msg->timsg_X + msg->timsg_Width - 1;
drect[3] = msg->timsg_Y + msg->timsg_Height - 1;
rfb_damage(mod, drect, TNULL);
break;
}
case TITYPE_NEWSIZE:
TDBPRINTF(TDB_WARN,("unhandled event: NEWSIZE\n"));
break;
case TITYPE_CLOSE:
{
/* send to root window */
TLock(mod->rfb_InstanceLock);
RFBWINDOW *v = (RFBWINDOW *) TLASTNODE(&mod->rfb_VisualList);
if (rfb_getimsg(mod, v, &imsg, TITYPE_CLOSE))
TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
TUnlock(mod->rfb_InstanceLock);
break;
}
case TITYPE_FOCUS:
TDBPRINTF(TDB_INFO,("unhandled event: FOCUS\n"));
break;
case TITYPE_MOUSEOVER:
TDBPRINTF(TDB_INFO,("unhandled event: MOUSEOVER\n"));
break;
case TITYPE_KEYUP:
case TITYPE_KEYDOWN:
/* pass keyboard events to focused window, else to the
* hovered window (also setting the focus): */
if (!rfb_passevent_to_focus(mod, msg))
rfb_passevent_by_mousexy(mod, msg, TTRUE);
break;
case TITYPE_MOUSEMOVE:
/* pass mouse movements to focused and hovered window: */
if (rfb_passevent_by_mousexy(mod, msg, TFALSE) !=
mod->rfb_FocusWindow)
rfb_passevent_to_focus(mod, msg);
break;
case TITYPE_MOUSEBUTTON:
{
/* set focus on mousebutton down */
TBOOL focus = msg->timsg_Code & (TMBCODE_LEFTDOWN |
TMBCODE_RIGHTDOWN | TMBCODE_MIDDLEDOWN);
rfb_passevent_by_mousexy(mod, msg, focus);
break;
}
}
TReplyMsg(msg);
}
}
static void rfb_runtask(struct TTask *task)
{
TAPTR TExecBase = TGetExecBase(task);
RFBDISPLAY *mod = TGetTaskData(task);
struct TVRequest *req;
TUINT sig;
TTIME intt = { RAWFB_INTERVAL_MICROS };
/* next absolute time to send interval message: */
TTIME nextt;
TTIME waitt, nowt;
TAPTR cmdport = TGetUserPort(task);
TUINT cmdportsignal = TGetPortSignal(cmdport);
TUINT imsgportsignal = TGetPortSignal(mod->rfb_RndIMsgPort);
TDBPRINTF(TDB_INFO,("RawFB device context running\n"));
TGetSystemTime(&nowt);
nextt = nowt;
TAddTime(&nextt, &intt);
do
{
/* process input messages: */
rfb_processevent(mod);
/* do draw commands: */
while ((req = TGetMsg(cmdport)))
{
rfb_docmd(mod, req);
TReplyMsg(req);
}
/* check if time interval has expired: */
TGetSystemTime(&nowt);
if (TCmpTime(&nowt, &nextt) > 0)
{
/* expired; send intervals: */
TLock(mod->rfb_InstanceLock);
struct TNode *next, *node = mod->rfb_VisualList.tlh_Head;
for (; (next = node->tln_Succ); node = next)
{
RFBWINDOW *v = (RFBWINDOW *) node;
TIMSG *imsg;
if ((v->rfbw_InputMask & TITYPE_INTERVAL) &&
rfb_getimsg(mod, v, &imsg, TITYPE_INTERVAL))
TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
}
TUnlock(mod->rfb_InstanceLock);
TAddTime(&nextt, &intt);
}
/* calculate new wait time: */
waitt = nextt;
TGetSystemTime(&nowt);
TSubTime(&waitt, &nowt);
if (waitt.tdt_Int64 <= 0 || waitt.tdt_Int64 > RAWFB_INTERVAL_MICROS)
{
/* something's wrong with the clock, recalculate */
TDBPRINTF(TDB_INFO,("clock problem: %lld\n", waitt.tdt_Int64));
nextt = nowt;
TAddTime(&nextt, &intt);
waitt = nextt;
TSubTime(&waitt, &nowt);
}
sig = TWaitTime(&waitt,
cmdportsignal | imsgportsignal | TTASK_SIG_ABORT);
} while (!(sig & TTASK_SIG_ABORT));
TDBPRINTF(TDB_INFO,("RawFB device context closedown\n"));
rfb_exittask(mod);
}
static void rfb_processevent(struct rfb_Display *mod)
{
TAPTR TExecBase = TGetExecBase(mod);
TIMSG *msg;
if (mod->rfb_RndIMsgPort == TNULL)
return;
while ((msg = TGetMsg(mod->rfb_RndIMsgPort)))
{
/*struct rfb_Window *v = (struct rfb_Window *) msg->timsg_Instance; */
TIMSG *imsg;
switch (msg->timsg_Type)
{
case TITYPE_INTERVAL:
TDBPRINTF(TDB_WARN, ("unhandled event: INTERVAL\n"));
break;
case TITYPE_REFRESH:
{
TINT drect[4];
drect[0] = msg->timsg_X;
drect[1] = msg->timsg_Y;
drect[2] = msg->timsg_X + msg->timsg_Width - 1;
drect[3] = msg->timsg_Y + msg->timsg_Height - 1;
rfb_damage(mod, drect, TNULL);
rfb_flush_clients(mod, TTRUE);
break;
}
case TITYPE_NEWSIZE:
if ((mod->rfb_Flags & RFBFL_BUFFER_OWNER) &&
(mod->rfb_Flags & RFBFL_BUFFER_CAN_RESIZE))
{
region_free(&mod->rfb_RectPool, &mod->rfb_DirtyRegion);
mod->rfb_Flags &= ~RFBFL_DIRTY;
TINT neww = mod->rfb_Width = msg->timsg_Width;
TINT newh = mod->rfb_Height = msg->timsg_Height;
TUINT pixfmt = mod->rfb_PixBuf.tpb_Format;
TUINT bpp = TVPIXFMT_BYTES_PER_PIXEL(pixfmt);
TUINT bpl = bpp * neww;
struct TVPixBuf newbuf;
newbuf.tpb_BytesPerLine = bpl;
newbuf.tpb_Format = mod->rfb_PixBuf.tpb_Format;
newbuf.tpb_Data = TAlloc(mod->rfb_MemMgr, bpl * newh);
if (newbuf.tpb_Data == TNULL)
break;
struct TNode *next,
*node = mod->rfb_VisualList.tlh_Head.tln_Succ;
for (; (next = node->tln_Succ); node = next)
{
struct rfb_Window *v = (struct rfb_Window *) node;
rfb_setrealcliprect(mod, v);
TINT w0 = REGION_RECT_WIDTH(&v->rfbw_ScreenRect);
TINT h0 = REGION_RECT_HEIGHT(&v->rfbw_ScreenRect);
if ((v->rfbw_Flags & RFBWFL_FULLSCREEN))
{
v->rfbw_ScreenRect.r[0] = 0;
v->rfbw_ScreenRect.r[1] = 0;
v->rfbw_ScreenRect.r[2] = neww - 1;
v->rfbw_ScreenRect.r[3] = newh - 1;
}
TINT ww = REGION_RECT_WIDTH(&v->rfbw_ScreenRect);
TINT wh = REGION_RECT_HEIGHT(&v->rfbw_ScreenRect);
if (v->rfbw_MinWidth > 0 && ww < v->rfbw_MinWidth)
v->rfbw_ScreenRect.r[0] =
v->rfbw_ScreenRect.r[2] - v->rfbw_MinWidth;
if (v->rfbw_MinHeight > 0 && wh < v->rfbw_MinHeight)
v->rfbw_ScreenRect.r[1] =
v->rfbw_ScreenRect.r[3] - v->rfbw_MinHeight;
ww = REGION_RECT_WIDTH(&v->rfbw_ScreenRect);
wh = REGION_RECT_HEIGHT(&v->rfbw_ScreenRect);
if (v->rfbw_Flags & RFBWFL_BACKBUFFER)
rfb_resizewinbuffer(mod, v, w0, h0, ww, wh);
else
v->rfbw_PixBuf = newbuf;
rfb_setwinrect(mod, v);
if (ww != w0 || wh != h0)
{
if (rfb_getimsg(mod, v, &imsg, TITYPE_NEWSIZE))
{
imsg->timsg_Width = ww;
imsg->timsg_Height = wh;
TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
}
}
}
TFree(mod->rfb_PixBuf.tpb_Data);
mod->rfb_PixBuf = newbuf;
struct Rect drect;
REGION_RECT_SET(&drect, 0, 0, neww - 1, newh - 1);
rfb_damage(mod, drect.r, TNULL);
}
else
TDBPRINTF(TDB_WARN, ("Cannot resize this framebuffer\n"));
break;
case TITYPE_CLOSE:
{
/* send to root window */
TLock(mod->rfb_InstanceLock);
struct rfb_Window *v =
(struct rfb_Window *) TLASTNODE(&mod->rfb_VisualList);
if (rfb_getimsg(mod, v, &imsg, TITYPE_CLOSE))
TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
TUnlock(mod->rfb_InstanceLock);
break;
}
case TITYPE_FOCUS:
TDBPRINTF(TDB_INFO, ("unhandled event: FOCUS\n"));
break;
case TITYPE_MOUSEOVER:
TDBPRINTF(TDB_INFO, ("unhandled event: MOUSEOVER\n"));
break;
case TITYPE_KEYUP:
case TITYPE_KEYDOWN:
rfb_passevent_keyboard(mod, msg);
break;
case TITYPE_MOUSEMOVE:
rfb_passevent_mousemove(mod, msg);
break;
case TITYPE_MOUSEBUTTON:
rfb_passevent_mousebutton(mod, msg);
break;
}
TReplyMsg(msg);
}
}
LOCAL TBOOL rfb_damage(struct rfb_Display *mod, TINT drect[],
struct rfb_Window *v)
{
TAPTR TExecBase = TGetExecBase(mod);
struct RectPool *pool = &mod->rfb_RectPool;
struct Region A, B;
if (!region_init(pool, &A, drect))
return TFALSE;
TDBPRINTF(TDB_TRACE, ("incoming damage: %d %d %d %d\n",
drect[0], drect[1], drect[2], drect[3]));
/* traverse window stack; refresh B where A and B overlap ; A = A - B */
struct TNode *next, *node = mod->rfb_VisualList.tlh_Head.tln_Succ;
TBOOL success = TTRUE;
TBOOL below = TFALSE;
TLock(mod->rfb_InstanceLock);
for (; success && !region_isempty(pool, &A) &&
(next = node->tln_Succ); node = next)
{
struct rfb_Window *bv = (struct rfb_Window *) node;
if (v && !below)
{
if (bv == v)
below = TTRUE;
else
/* above: subtract current from rect to be damaged: */
success = region_subrect(pool, &A, bv->rfbw_ScreenRect.r);
continue;
}
success = TFALSE;
if (region_init(pool, &B, bv->rfbw_ScreenRect.r))
{
if (region_andregion(pool, &B, &A))
{
region_shift(&B,
bv->rfbw_WinRect.r[0] - bv->rfbw_ScreenRect.r[0],
bv->rfbw_WinRect.r[1] - bv->rfbw_ScreenRect.r[1]);
struct TNode *next,
*node = B.rg_Rects.rl_List.tlh_Head.tln_Succ;
for (; (next = node->tln_Succ); node = next)
{
struct RectNode *r = (struct RectNode *) node;
if (bv->rfbw_Flags & RFBWFL_BACKBUFFER)
{
rfb_markdirty(mod, bv, r->rn_Rect);
}
else if (bv->rfbw_InputMask & TITYPE_REFRESH)
{
TIMSG *imsg;
if (rfb_getimsg(mod, bv, &imsg, TITYPE_REFRESH))
{
TDBPRINTF(TDB_TRACE, ("send refresh %d %d %d %d\n",
r->rn_Rect[0], r->rn_Rect[1],
r->rn_Rect[2], r->rn_Rect[3]));
imsg->timsg_X = r->rn_Rect[0];
imsg->timsg_Y = r->rn_Rect[1];
imsg->timsg_Width =
r->rn_Rect[2] - r->rn_Rect[0] + 1;
imsg->timsg_Height =
r->rn_Rect[3] - r->rn_Rect[1] + 1;
imsg->timsg_X -= bv->rfbw_ScreenRect.r[0];
imsg->timsg_Y -= bv->rfbw_ScreenRect.r[1];
TPutMsg(bv->rfbw_IMsgPort, TNULL, imsg);
}
}
}
success = TTRUE;
}
region_free(pool, &B);
}
if (success)
success = region_subrect(pool, &A, bv->rfbw_ScreenRect.r);
}
TUnlock(mod->rfb_InstanceLock);
region_free(pool, &A);
return success;
}
static void tek_lib_visual_io_task(struct TTask *task)
{
struct TExecBase *TExecBase = TGetExecBase(task);
struct IOData *iodata = TGetTaskData(task);
TEKVisual *vis = iodata->vis;
TIMSG *imsg;
TUINT sig;
#if defined(ENABLE_FILENO) || defined(ENABLE_DGRAM)
char buf[256];
fd_set rset;
#endif
do
{
#if defined(ENABLE_FILENO) || defined(ENABLE_DGRAM)
FD_ZERO(&rset);
FD_SET(iodata->fd_pipe[0], &rset);
#endif
#if defined(ENABLE_FILENO)
if (iodata->fd_stdin != -1)
FD_SET(iodata->fd_stdin, &rset);
#endif
#if defined(ENABLE_DGRAM)
FD_SET(iodata->fd_dgram, &rset);
#endif
#if defined(ENABLE_FILENO) || defined(ENABLE_DGRAM)
if (select(iodata->fdmax, &rset, NULL, NULL, NULL) > 0)
{
int nbytes = 0;
/* consume signal: */
if (FD_ISSET(iodata->fd_pipe[0], &rset))
{
ioctl(iodata->fd_pipe[0], FIONREAD, &nbytes);
if (nbytes > 0)
if (read(iodata->fd_pipe[0], buf,
TMIN(sizeof(buf), (size_t) nbytes)) != nbytes)
TDBPRINTF(TDB_ERROR,("Error reading from selfpipe\n"));
}
#if defined(ENABLE_FILENO)
/* stdin line reader: */
if (iodata->fd_stdin >= 0 && FD_ISSET(iodata->fd_stdin, &rset))
{
if (ioctl(iodata->fd_stdin, FIONREAD, &nbytes) == 0)
{
if (nbytes == 0)
iodata->fd_stdin = -1; /* stop processing */
else
{
char *line;
size_t len;
visual_io_reader_addbytes(&iodata->linereader, nbytes);
while (visual_io_readline(&iodata->linereader, &line,
&len))
{
if (getusermsg(vis, &imsg, TITYPE_USER, len))
{
memcpy((void *) (imsg + 1), line, len);
TPutMsg(vis->vis_IMsgPort, TNULL,
&imsg->timsg_Node);
}
}
}
}
else
iodata->fd_stdin = -1; /* stop processing */
}
#endif
#if defined(ENABLE_DGRAM)
if (iodata->fd_dgram >= 0 && FD_ISSET(iodata->fd_dgram, &rset))
{
char umsg[IOMAXMSGSIZE];
TIMSG *imsg;
ssize_t len = recv(iodata->fd_dgram, umsg, sizeof umsg, 0);
if (len >= 0 && getusermsg(vis, &imsg, TITYPE_USER, len))
{
memcpy((void *) (imsg + 1), umsg, len);
TPutMsg(vis->vis_IMsgPort, TNULL, &imsg->timsg_Node);
}
}
#endif
}
sig = TSetSignal(0, TTASK_SIG_ABORT | TTASK_SIG_USER);
#else
sig = TWait(TTASK_SIG_ABORT | TTASK_SIG_USER);
#endif
if (sig & TTASK_SIG_USER)
{
TAPTR msg, uport = TGetUserPort(TNULL);
while ((msg = TGetMsg(uport)))
{
TSIZE len = TGetSize(msg);
/* repackage into user input message */
if (getusermsg(vis, &imsg, TITYPE_USER, len))
{
memcpy((void *) (imsg + 1), msg, len);
TPutMsg(vis->vis_IMsgPort, TNULL, &imsg->timsg_Node);
}
TAckMsg(msg);
}
}
} while (!(sig & TTASK_SIG_ABORT));
tek_lib_visual_io_exit(task);
}
LOCAL void x11_taskfunc(struct TTask *task)
{
TAPTR TExecBase = TGetExecBase(task);
struct X11Display *inst = TGetTaskData(task);
TUINT sig = 0;
fd_set rset;
struct TVRequest *req;
TIMSG *imsg;
char buf[256];
struct timeval tv, *ptv;
struct TMsgPort *cmdport = TGetUserPort(task);
TUINT cmdportsignal = TGetPortSignal(cmdport);
TUINT ireplysignal = TGetPortSignal(inst->x11_IReplyPort);
TUINT waitsigs = cmdportsignal | ireplysignal | TTASK_SIG_ABORT;
/* interval time: 1/50s: */
TTIME intt = { 20000 };
/* next absolute time to send interval message: */
TTIME nextt;
TTIME waitt, nowt;
TDBPRINTF(TDB_INFO, ("Device instance running\n"));
TGetSystemTime(&nowt);
nextt = nowt;
TAddTime(&nextt, &intt);
do
{
if (sig & ireplysignal)
{
while ((imsg = TGetMsg(inst->x11_IReplyPort)))
{
/* returned input message */
if (imsg->timsg_Type == TITYPE_REQSELECTION)
{
XSelectionEvent *reply =
(XSelectionEvent *) imsg->timsg_Requestor;
struct TTagItem *replytags =
(struct TTagItem *) imsg->timsg_ReplyData;
size_t len =
TGetTag(replytags, TIMsgReply_UTF8SelectionLen, 0);
TUINT8 *xdata = (TUINT8 *) TGetTag(replytags,
TIMsgReply_UTF8Selection, TNULL);
XChangeProperty(inst->x11_Display, reply->requestor,
reply->property, XA_ATOM, 8, PropModeReplace,
(unsigned char *) xdata, len);
XSendEvent(inst->x11_Display, reply->requestor, 0,
NoEventMask, (XEvent *) reply);
XSync(inst->x11_Display, False);
TFree((TAPTR) imsg->timsg_Requestor);
TFree(xdata);
/* reqselect roundtrip ended */
}
TFree(imsg);
}
}
if (sig & cmdportsignal)
{
while (inst->x11_RequestInProgress == TNULL &&
(req = TGetMsg(cmdport)))
{
x11_docmd(inst, req);
if (inst->x11_RequestInProgress)
break;
TReplyMsg(req);
}
}
XFlush(inst->x11_Display);
FD_ZERO(&rset);
FD_SET(inst->x11_fd_display, &rset);
FD_SET(inst->x11_fd_sigpipe_read, &rset);
TGetSystemTime(&nowt);
if (inst->x11_NumInterval > 0 || inst->x11_RequestInProgress)
{
if (TCmpTime(&nowt, &nextt) >= 0)
{
/* expired; send interval: */
struct TNode *next, *node = inst->x11_vlist.tlh_Head.tln_Succ;
for (; (next = node->tln_Succ); node = next)
{
struct X11Window *v = (struct X11Window *) node;
TIMSG *imsg;
if ((v->eventmask & TITYPE_INTERVAL) &&
x11_getimsg(inst, v, &imsg, TITYPE_INTERVAL))
TPutMsg(v->imsgport, TNULL, imsg);
}
TAddTime(&nextt, &intt);
}
/* calculate new wait time: */
waitt = nextt;
TSubTime(&waitt, &nowt);
if (waitt.tdt_Int64 <= 0 || waitt.tdt_Int64 > 20000)
{
nextt = nowt;
TAddTime(&nextt, &intt);
waitt = nextt;
TSubTime(&waitt, &nowt);
}
tv.tv_sec = waitt.tdt_Int64 / 1000000;
tv.tv_usec = waitt.tdt_Int64 % 1000000;
ptv = &tv;
}
else
ptv = NULL;
/* wait for display, signal fd and timeout: */
if (select(inst->x11_fd_max, &rset, NULL, NULL, ptv) > 0)
{
int nbytes;
/* consume signal: */
if (FD_ISSET(inst->x11_fd_sigpipe_read, &rset))
{
ioctl(inst->x11_fd_sigpipe_read, FIONREAD, &nbytes);
if (nbytes > 0)
if (read(inst->x11_fd_sigpipe_read, buf,
TMIN(sizeof(buf), (size_t) nbytes)) != nbytes)
TDBPRINTF(TDB_ERROR,
("could not read wakeup signal\n"));
}
}
/* process input messages: */
x11_processevent(inst);
/* send out input messages to owners: */
x11_sendimessages(inst);
/* get signal state: */
sig = TSetSignal(0, waitsigs);
}
while (!(sig & TTASK_SIG_ABORT));
TDBPRINTF(TDB_INFO, ("Device instance exit\n"));
x11_exitinstance(inst);
}
static int tek_lib_exec_child_sigjoin(lua_State *L, TUINT sig, TBOOL sigparent,
TBOOL do_results)
{
struct LuaExecChild *ctx = luaL_checkudata(L, 1, TEK_LIB_TASK_CLASSNAME);
struct TExecBase *TExecBase = ctx->exec;
struct TTask *self = TFindTask(TNULL), *task = ctx->task;
union TTaskRequest *req = &self->tsk_Request;
TBOOL abort = TFALSE;
int nres = 0;
if (!task)
return 0;
TDBPRINTF(TDB_TRACE,("child_join sig=%d sigparent=%d\n", sig, sigparent));
/* signal task */
TSignal(task, sig);
/* prepare destroy request */
self->tsk_ReqCode = TTREQ_DESTROYTASK;
req->trq_Task.trt_Task = task;
/* send to exec */
TPutMsg(TExecBase->texb_ExecPort, &self->tsk_SyncPort, self);
for (;;)
{
/* wait for return of request or receiving abort ourselves: */
TUINT sig = TWait(TTASK_SIG_SINGLE | TTASK_SIG_ABORT);
if (sig & TTASK_SIG_SINGLE)
break;
if (sig & TTASK_SIG_ABORT)
{
/* forward to child task */
TSignal(task, TTASK_SIG_ABORT);
if (sigparent)
{
/* also forward to own parent task */
struct LuaExecTask *parent = getparent(TExecBase);
if (parent)
TSignal(parent->task, TTASK_SIG_ABORT);
abort = TTRUE;
}
}
}
/* take delivery of replied destroy request */
TGetMsg(&self->tsk_SyncPort);
/* free task */
TFreeTask(task);
ctx->task = TNULL;
tek_lib_exec_freectxargs(ctx);
if (!abort && do_results)
{
int i;
nres = ctx->numres + 1;
lua_pushboolean(L, ctx->luastatus == 0);
for (i = 0; i < ctx->numres; ++i)
lua_pushlstring(L, ctx->results[i].arg, ctx->results[i].len);
}
tek_lib_exec_freeargs(TExecBase, ctx->results, ctx->numres);
luaL_unref(L, lua_upvalueindex(1), ctx->ref);
if (abort)
luaL_error(L, "received abort signal");
return nres;
}
LOCAL void fb_sendimsg(WINDISPLAY *mod, WINWINDOW *win, TIMSG *imsg)
{
struct TExecBase *TExecBase = TGetExecBase(mod);
TPutMsg(win->fbv_IMsgPort, TNULL, imsg);
}
static void rfb_runtask(struct TTask *task)
{
TAPTR TExecBase = TGetExecBase(task);
struct rfb_Display *mod = TGetTaskData(task);
struct TVRequest *req;
TUINT sig = 0;
TTIME intt = { 20000 };
/* next absolute time to send interval message: */
TTIME nextt;
TTIME waitt, nowt, *pwaitt;
TAPTR cmdport = TGetUserPort(task);
TUINT cmdportsignal = TGetPortSignal(cmdport);
TUINT imsgportsignal = TGetPortSignal(mod->rfb_RndIMsgPort);
TUINT waitsigs = cmdportsignal | imsgportsignal | TTASK_SIG_ABORT;
TDBPRINTF(TDB_INFO, ("RawFB device context running\n"));
TGetSystemTime(&nowt);
nextt = nowt;
TAddTime(&nextt, &intt);
do
{
if (sig & cmdportsignal)
{
TBOOL checkrect = mod->rfb_Flags & RFBFL_PTR_VISIBLE;
TINT arec[4];
while ((req = TGetMsg(cmdport)))
{
if (checkrect)
{
TINT res = rfb_cmdrectaffected(mod, req, arec, TTRUE);
if (res < 0 || (res > 0 &&
REGION_OVERLAPRECT(mod->rfb_PtrBackBuffer.rect,
arec)))
{
rfb_restoreptrbg(mod);
checkrect = TFALSE;
}
}
rfb_docmd(mod, req);
TReplyMsg(req);
}
}
if (mod->rfb_Flags & RFBFL_SHOWPTR)
rfb_drawpointer(mod);
/* check if time interval has expired: */
TGetSystemTime(&nowt);
/* do interval timers */
if (mod->rfb_NumInterval > 0)
{
if (TCmpTime(&nowt, &nextt) >= 0)
{
/* expired; send intervals: */
TLock(mod->rfb_InstanceLock);
struct TNode *next,
*node = mod->rfb_VisualList.tlh_Head.tln_Succ;
for (; (next = node->tln_Succ); node = next)
{
struct rfb_Window *v = (struct rfb_Window *) node;
TIMSG *imsg;
if ((v->rfbw_InputMask & TITYPE_INTERVAL) &&
rfb_getimsg(mod, v, &imsg, TITYPE_INTERVAL))
TPutMsg(v->rfbw_IMsgPort, TNULL, imsg);
}
TUnlock(mod->rfb_InstanceLock);
TAddTime(&nextt, &intt);
}
/* calculate new wait time: */
waitt = nextt;
TSubTime(&waitt, &nowt);
if (waitt.tdt_Int64 <= 0 || waitt.tdt_Int64 > 20000)
{
nextt = nowt;
TAddTime(&nextt, &intt);
waitt = nextt;
TSubTime(&waitt, &nowt);
}
pwaitt = &waitt;
}
else
pwaitt = TNULL;
#if defined(ENABLE_LINUXFB)
rfb_linux_wait(mod, pwaitt);
sig = TSetSignal(0, waitsigs);
#else
sig = TWaitTime(pwaitt, waitsigs);
#endif
if (sig & imsgportsignal)
rfb_processevent(mod);
} while (!(sig & TTASK_SIG_ABORT));
TDBPRINTF(TDB_INFO, ("RawFB device context closedown\n"));
rfb_exittask(mod);
}