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[py] Implement Notcurses.get_blocking() and Notcurses.get_nblock().

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Alex Samuel 2022-02-06 00:03:00 -05:00 committed by nick black
parent ed2a459b6f
commit 87ffd4c160
1 changed files with 42 additions and 10 deletions
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52
python/notcurses/context.c
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@ -181,7 +181,7 @@ Notcurses_bottom(NotcursesObject *self, PyObject *Py_UNUSED(args))
}
static PyObject *
Notcurses_getc(NotcursesObject *Py_UNUSED(self), PyObject *Py_UNUSED(args), PyObject *Py_UNUSED(kwds))
Notcurses_get(NotcursesObject *Py_UNUSED(self), PyObject *Py_UNUSED(args), PyObject *Py_UNUSED(kwds))
{
PyErr_SetString(PyExc_NotImplementedError, "TODO when ncinput is implemented");
return NULL;
@ -196,17 +196,48 @@ Notcurses_inputready_fd(NotcursesObject *self, PyObject *Py_UNUSED(args))
}
static PyObject *
Notcurses_getc_nblock(NotcursesObject *Py_UNUSED(self), PyObject *Py_UNUSED(args))
build_NcInput(ncinput const *ni)
{
PyErr_SetString(PyExc_NotImplementedError, "TODO when ncinput is implemented");
return NULL;
PyObject *input = GNU_PY_CHECK(PyStructSequence_New(NcInput_Type));
PyStructSequence_SET_ITEM(input, 0, PyLong_FromLong(ni->id));
PyStructSequence_SET_ITEM(input, 1, PyLong_FromLong(ni->y));
PyStructSequence_SET_ITEM(input, 2, PyLong_FromLong(ni->x));
PyStructSequence_SET_ITEM(input, 3, PyUnicode_FromStringAndSize(ni->utf8, 1));
PyStructSequence_SET_ITEM(input, 4, PyLong_FromLong(ni->evtype));
PyStructSequence_SET_ITEM(input, 5, PyLong_FromLong(ni->modifiers));
PyStructSequence_SET_ITEM(input, 6, PyLong_FromLong(ni->ypx));
PyStructSequence_SET_ITEM(input, 7, PyLong_FromLong(ni->xpx));
return input;
}
static PyObject *
Notcurses_getc_blocking(NotcursesObject *Py_UNUSED(self), PyObject *Py_UNUSED(args))
Notcurses_get_nblock(NotcursesObject *self)
{
PyErr_SetString(PyExc_NotImplementedError, "TODO when ncinput is implemented");
return NULL;
ncinput ni;
uint32_t id = notcurses_get_nblock(self->notcurses_ptr, &ni);
if (id == (uint32_t)-1)
{
PyErr_Format(PyExc_RuntimeError, "notcurses_get_nblock return -1");
return NULL;
}
else if (id == 0)
// No input event.
Py_RETURN_NONE;
else
return build_NcInput(&ni);
}
static PyObject *
Notcurses_get_blocking(NotcursesObject *self)
{
ncinput ni;
if (notcurses_get_blocking(self->notcurses_ptr, &ni) == (uint32_t)-1)
{
PyErr_Format(PyExc_RuntimeError, "notcurses_get_blocking return -1");
return NULL;
}
else
return build_NcInput(&ni);
}
static PyObject *
@ -215,6 +246,7 @@ Notcurses_mice_enable(NotcursesObject *self, PyObject *Py_UNUSED(args))
CHECK_NOTCURSES(notcurses_mice_enable(self->notcurses_ptr, NCMICE_BUTTON_EVENT));
Py_RETURN_NONE;
}
static PyObject *
Notcurses_mice_disable(NotcursesObject *self, PyObject *Py_UNUSED(args))
{
@ -439,10 +471,10 @@ static PyMethodDef Notcurses_methods[] = {
{"top", (PyCFunction)Notcurses_top, METH_NOARGS, "Return the topmost ncplane of the standard pile."},
{"bottom", (PyCFunction)Notcurses_bottom, METH_NOARGS, "Return the bottommost ncplane of the standard pile."},
{"getc", (void *)Notcurses_getc, METH_VARARGS | METH_KEYWORDS, "See ppoll(2) for more detail. Provide a None 'ts' to block at length, a 'ts' of 0 for non-blocking operation, and otherwise a timespec to bound blocking. Signals in sigmask (less several we handle internally) will be atomically masked and unmasked per ppoll(2). It should generally contain all signals. Returns a single Unicode code point, or (char32_t)-1 on error. 'sigmask' may be NULL. Returns 0 on a timeout. If an event is processed, the return value is the 'id' field from that event. 'ni' may be NULL."},
{"get", (void *)Notcurses_get, METH_VARARGS | METH_KEYWORDS, "See ppoll(2) for more detail. Provide a None 'ts' to block at length, a 'ts' of 0 for non-blocking operation, and otherwise a timespec to bound blocking. Signals in sigmask (less several we handle internally) will be atomically masked and unmasked per ppoll(2). It should generally contain all signals. Returns a single Unicode code point, or (char32_t)-1 on error. 'sigmask' may be NULL. Returns 0 on a timeout. If an event is processed, the return value is the 'id' field from that event. 'ni' may be NULL."},
{"inputready_fd", (PyCFunction)Notcurses_inputready_fd, METH_NOARGS, "Get a file descriptor suitable for input event poll()ing. When this descriptor becomes available, you can call notcurses_getc_nblock(), and input ought be ready. This file descriptor is *not* necessarily the file descriptor associated with stdin (but it might be!)."},
{"getc_nblock", (PyCFunction)Notcurses_getc_nblock, METH_NOARGS, "Get input event without blocking. If no event is ready, returns None."},
{"getc_blocking", (PyCFunction)Notcurses_getc_blocking, METH_NOARGS, "Get input event completely blocking until and event or signal received."},
{"get_nblock", (PyCFunction)Notcurses_get_nblock, METH_NOARGS, "Get input event without blocking. If no event is ready, returns None."},
{"get_blocking", (PyCFunction)Notcurses_get_blocking, METH_NOARGS, "Get input event completely blocking until and event or signal received."},
{"mice_enable", (PyCFunction)Notcurses_mice_enable, METH_NOARGS, "Enable the mouse in \"button-event tracking\" mode with focus detection and UTF8-style extended coordinates. On success mouse events will be published to getc()"},
{"mice_disable", (PyCFunction)Notcurses_mice_disable, METH_NOARGS, "Disable mouse events. Any events in the input queue can still be delivered."},