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4 changed files with 246 additions and 229 deletions

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@ -115,7 +115,7 @@ int UICaption::set_color_member(PyUICaptionObject* self, PyObject* value, void*
auto member_ptr = reinterpret_cast<long>(closure);
//TODO: this logic of (PyColor instance OR tuple -> sf::color) should be encapsulated for reuse
int r, g, b, a;
if (PyObject_IsInstance(value, (PyObject*)&mcrfpydef::PyColorType))
if (PyObject_IsInstance(value, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Color") /*(PyObject*)&mcrfpydef::PyColorType)*/))
{
// get value from mcrfpy.Color instance
auto c = ((PyColorObject*)value)->data;
@ -236,7 +236,7 @@ int UICaption::init(PyUICaptionObject* self, PyObject* args, PyObject* kwds)
// check types for font, fill_color, outline_color
std::cout << PyUnicode_AsUTF8(PyObject_Repr(font)) << std::endl;
if (font != NULL && !PyObject_IsInstance(font, (PyObject*)&PyFontType)){
if (font != NULL && !PyObject_IsInstance(font, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Font")/*(PyObject*)&PyFontType)*/)){
PyErr_SetString(PyExc_TypeError, "font must be a mcrfpy.Font instance");
return -1;
} else if (font != NULL)

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@ -1,2 +1,203 @@
#include "UICollection.h"
#include "UIFrame.h"
#include "UICaption.h"
#include "UISprite.h"
#include "UIGrid.h"
#include "McRFPy_API.h"
using namespace mcrfpydef;
int UICollectionIter::init(PyUICollectionIterObject* self, PyObject* args, PyObject* kwds)
{
PyErr_SetString(PyExc_TypeError, "UICollection cannot be instantiated: a C++ data source is required.");
return -1;
}
PyObject* UICollectionIter::next(PyUICollectionIterObject* self)
{
if (self->data->size() != self->start_size)
{
PyErr_SetString(PyExc_RuntimeError, "collection changed size during iteration");
return NULL;
}
if (self->index > self->start_size - 1)
{
PyErr_SetNone(PyExc_StopIteration);
return NULL;
}
self->index++;
auto vec = self->data.get();
if (!vec)
{
PyErr_SetString(PyExc_RuntimeError, "the collection store returned a null pointer");
return NULL;
}
auto target = (*vec)[self->index-1];
// TODO build PyObject* of the correct UIDrawable subclass to return
//return py_instance(target);
return NULL;
}
PyObject* UICollectionIter::repr(PyUICollectionIterObject* self)
{
std::ostringstream ss;
if (!self->data) ss << "<UICollectionIter (invalid internal object)>";
else {
ss << "<UICollectionIter (" << self->data->size() << " child objects, @ index " << self->index << ")>";
}
std::string repr_str = ss.str();
return PyUnicode_DecodeUTF8(repr_str.c_str(), repr_str.size(), "replace");
}
Py_ssize_t UICollection::len(PyUICollectionObject* self) {
return self->data->size();
}
PyObject* UICollection::getitem(PyUICollectionObject* self, Py_ssize_t index) {
// build a Python version of item at self->data[index]
// Copy pasted::
auto vec = self->data.get();
if (!vec)
{
PyErr_SetString(PyExc_RuntimeError, "the collection store returned a null pointer");
return NULL;
}
while (index < 0) index += self->data->size();
if (index > self->data->size() - 1)
{
PyErr_SetString(PyExc_IndexError, "UICollection index out of range");
return NULL;
}
auto target = (*vec)[index];
RET_PY_INSTANCE(target);
return NULL;
}
PySequenceMethods UICollection::sqmethods = {
.sq_length = (lenfunc)UICollection::len,
.sq_item = (ssizeargfunc)UICollection::getitem,
//.sq_item_by_index = PyUICollection_getitem
//.sq_slice - return a subset of the iterable
//.sq_ass_item - called when `o[x] = y` is executed (x is any object type)
//.sq_ass_slice - cool; no thanks, for now
//.sq_contains - called when `x in o` is executed
//.sq_ass_item_by_index - called when `o[x] = y` is executed (x is explictly an integer)
};
/* Idiomatic way to fetch complete types from the API rather than referencing their PyTypeObject struct
auto type = (PyTypeObject*)PyObject_GetAttrString(McRFPy_API::mcrf_module, "Texture");
I never identified why `using namespace mcrfpydef;` doesn't solve the segfault issue.
The horrible macro in UIDrawable was originally a workaround for this, but as I interact with the types outside of the monster UI.h, a more general (and less icky) solution is required.
*/
PyObject* UICollection::append(PyUICollectionObject* self, PyObject* o)
{
// if not UIDrawable subclass, reject it
// self->data->push_back( c++ object inside o );
// this would be a great use case for .tp_base
if (!PyObject_IsInstance(o, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Frame")) &&
!PyObject_IsInstance(o, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Sprite")) &&
!PyObject_IsInstance(o, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Caption")) &&
!PyObject_IsInstance(o, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Grid"))
)
{
PyErr_SetString(PyExc_TypeError, "Only Frame, Caption, Sprite, and Grid objects can be added to UICollection");
return NULL;
}
if (PyObject_IsInstance(o, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Frame")))
{
PyUIFrameObject* frame = (PyUIFrameObject*)o;
self->data->push_back(frame->data);
}
if (PyObject_IsInstance(o, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Caption")))
{
PyUICaptionObject* caption = (PyUICaptionObject*)o;
self->data->push_back(caption->data);
}
if (PyObject_IsInstance(o, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Sprite")))
{
PyUISpriteObject* sprite = (PyUISpriteObject*)o;
self->data->push_back(sprite->data);
}
if (PyObject_IsInstance(o, PyObject_GetAttrString(McRFPy_API::mcrf_module, "Grid")))
{
PyUIGridObject* grid = (PyUIGridObject*)o;
self->data->push_back(grid->data);
}
Py_INCREF(Py_None);
return Py_None;
}
PyObject* UICollection::remove(PyUICollectionObject* self, PyObject* o)
{
if (!PyLong_Check(o))
{
PyErr_SetString(PyExc_TypeError, "UICollection.remove requires an integer index to remove");
return NULL;
}
long index = PyLong_AsLong(o);
if (index >= self->data->size())
{
PyErr_SetString(PyExc_ValueError, "Index out of range");
return NULL;
}
else if (index < 0)
{
PyErr_SetString(PyExc_NotImplementedError, "reverse indexing is not implemented.");
return NULL;
}
// release the shared pointer at self->data[index];
self->data->erase(self->data->begin() + index);
Py_INCREF(Py_None);
return Py_None;
}
PyMethodDef UICollection::methods[] = {
{"append", (PyCFunction)UICollection::append, METH_O},
//{"extend", (PyCFunction)PyUICollection_extend, METH_O}, // TODO
{"remove", (PyCFunction)UICollection::remove, METH_O},
{NULL, NULL, 0, NULL}
};
PyObject* UICollection::repr(PyUICollectionObject* self)
{
std::ostringstream ss;
if (!self->data) ss << "<UICollection (invalid internal object)>";
else {
ss << "<UICollection (" << self->data->size() << " child objects)>";
}
std::string repr_str = ss.str();
return PyUnicode_DecodeUTF8(repr_str.c_str(), repr_str.size(), "replace");
}
int UICollection::init(PyUICollectionObject* self, PyObject* args, PyObject* kwds)
{
PyErr_SetString(PyExc_TypeError, "UICollection cannot be instantiated: a C++ data source is required.");
return -1;
}
PyObject* UICollection::iter(PyUICollectionObject* self)
{
PyUICollectionIterObject* iterObj;
iterObj = (PyUICollectionIterObject*)PyUICollectionIterType.tp_alloc(&PyUICollectionIterType, 0);
if (iterObj == NULL) {
return NULL; // Failed to allocate memory for the iterator object
}
iterObj->data = self->data;
iterObj->index = 0;
iterObj->start_size = self->data->size();
return (PyObject*)iterObj;
}

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@ -1,95 +1,53 @@
#pragma once
#include "Common.h"
#include "Python.h"
#include "structmember.h"
#include "IndexTexture.h"
#include "Resources.h"
#include <list>
#include "PyCallable.h"
#include "PyTexture.h"
#include "PyColor.h"
#include "PyVector.h"
#include "PyFont.h"
#include "UIDrawable.h"
#include "UICaption.h"
#include "UIFrame.h"
#include "UISprite.h"
#include "UIGrid.h"
class UICollectionIter
{
// really more of a namespace: all the members are public and static. But being consistent with other UI objects
public:
static int init(PyUICollectionIterObject* self, PyObject* args, PyObject* kwds);
static PyObject* next(PyUICollectionIterObject* self);
static PyObject* repr(PyUICollectionIterObject* self);
};
class UICollection
{
// really more of a namespace: all the members are public and static. But being consistent with other UI objects
public:
static Py_ssize_t len(PyUICollectionObject* self);
static PyObject* getitem(PyUICollectionObject* self, Py_ssize_t index);
static PySequenceMethods sqmethods;
static PyObject* append(PyUICollectionObject* self, PyObject* o);
static PyObject* remove(PyUICollectionObject* self, PyObject* o);
static PyMethodDef methods[];
static PyObject* repr(PyUICollectionObject* self);
static int init(PyUICollectionObject* self, PyObject* args, PyObject* kwds);
static PyObject* iter(PyUICollectionObject* self);
};
namespace mcrfpydef {
typedef struct {
PyObject_HEAD
std::shared_ptr<std::vector<std::shared_ptr<UIDrawable>>> data;
int index;
int start_size;
} PyUICollectionIterObject;
//TODO: add this method to class scope; move implementation to .cpp file
static int PyUICollectionIter_init(PyUICollectionIterObject* self, PyObject* args, PyObject* kwds)
{
PyErr_SetString(PyExc_TypeError, "UICollection cannot be instantiated: a C++ data source is required.");
return -1;
}
//TODO: add this method to class scope; move implementation to .cpp file
static PyObject* PyUICollectionIter_next(PyUICollectionIterObject* self)
{
if (self->data->size() != self->start_size)
{
PyErr_SetString(PyExc_RuntimeError, "collection changed size during iteration");
return NULL;
}
if (self->index > self->start_size - 1)
{
PyErr_SetNone(PyExc_StopIteration);
return NULL;
}
self->index++;
auto vec = self->data.get();
if (!vec)
{
PyErr_SetString(PyExc_RuntimeError, "the collection store returned a null pointer");
return NULL;
}
auto target = (*vec)[self->index-1];
// TODO build PyObject* of the correct UIDrawable subclass to return
//return py_instance(target);
return NULL;
}
//TODO: add this method to class scope; move implementation to .cpp file
static PyObject* PyUICollectionIter_repr(PyUICollectionIterObject* self)
{
std::ostringstream ss;
if (!self->data) ss << "<UICollectionIter (invalid internal object)>";
else {
ss << "<UICollectionIter (" << self->data->size() << " child objects, @ index " << self->index << ")>";
}
std::string repr_str = ss.str();
return PyUnicode_DecodeUTF8(repr_str.c_str(), repr_str.size(), "replace");
}
static PyTypeObject PyUICollectionIterType = {
//PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "mcrfpy.UICollectionIter",
.tp_basicsize = sizeof(PyUICollectionIterObject),
.tp_itemsize = 0,
//TODO - as static method, not inline lambda def, please
.tp_dealloc = (destructor)[](PyObject* self)
{
PyUICollectionIterObject* obj = (PyUICollectionIterObject*)self;
obj->data.reset();
Py_TYPE(self)->tp_free(self);
},
.tp_repr = (reprfunc)PyUICollectionIter_repr,
.tp_repr = (reprfunc)UICollectionIter::repr,
.tp_flags = Py_TPFLAGS_DEFAULT,
.tp_doc = PyDoc_STR("Iterator for a collection of UI objects"),
.tp_iternext = (iternextfunc)PyUICollectionIter_next,
.tp_iternext = (iternextfunc)UICollectionIter::next,
//.tp_getset = PyUICollection_getset,
.tp_init = (initproc)PyUICollectionIter_init, // just raise an exception
.tp_init = (initproc)UICollectionIter::init, // just raise an exception
//TODO - as static method, not inline lambda def, please
.tp_new = [](PyTypeObject* type, PyObject* args, PyObject* kwds) -> PyObject*
{
PyErr_SetString(PyExc_TypeError, "UICollection cannot be instantiated: a C++ data source is required.");
@ -97,176 +55,27 @@ namespace mcrfpydef {
}
};
//TODO: add this method to class scope; move implementation to .cpp file
static Py_ssize_t PyUICollection_len(PyUICollectionObject* self) {
return self->data->size();
}
//TODO: add this method to class scope; move implementation to .cpp file
static PyObject* PyUICollection_getitem(PyUICollectionObject* self, Py_ssize_t index) {
// build a Python version of item at self->data[index]
// Copy pasted::
auto vec = self->data.get();
if (!vec)
{
PyErr_SetString(PyExc_RuntimeError, "the collection store returned a null pointer");
return NULL;
}
while (index < 0) index += self->data->size();
if (index > self->data->size() - 1)
{
PyErr_SetString(PyExc_IndexError, "UICollection index out of range");
return NULL;
}
auto target = (*vec)[index];
RET_PY_INSTANCE(target);
return NULL;
}
//TODO: add this static array to class scope; move implementation to .cpp file
static PySequenceMethods PyUICollection_sqmethods = {
.sq_length = (lenfunc)PyUICollection_len,
.sq_item = (ssizeargfunc)PyUICollection_getitem,
//.sq_item_by_index = PyUICollection_getitem
//.sq_slice - return a subset of the iterable
//.sq_ass_item - called when `o[x] = y` is executed (x is any object type)
//.sq_ass_slice - cool; no thanks, for now
//.sq_contains - called when `x in o` is executed
//.sq_ass_item_by_index - called when `o[x] = y` is executed (x is explictly an integer)
};
//TODO: add this method to class scope; move implementation to .cpp file
static PyObject* PyUICollection_append(PyUICollectionObject* self, PyObject* o)
{
// if not UIDrawable subclass, reject it
// self->data->push_back( c++ object inside o );
// this would be a great use case for .tp_base
if (!PyObject_IsInstance(o, (PyObject*)&PyUIFrameType) &&
!PyObject_IsInstance(o, (PyObject*)&PyUISpriteType) &&
!PyObject_IsInstance(o, (PyObject*)&PyUICaptionType) &&
!PyObject_IsInstance(o, (PyObject*)&PyUIGridType)
)
{
PyErr_SetString(PyExc_TypeError, "Only Frame, Caption, Sprite, and Grid objects can be added to UICollection");
return NULL;
}
if (PyObject_IsInstance(o, (PyObject*)&PyUIFrameType))
{
PyUIFrameObject* frame = (PyUIFrameObject*)o;
self->data->push_back(frame->data);
}
if (PyObject_IsInstance(o, (PyObject*)&PyUICaptionType))
{
PyUICaptionObject* caption = (PyUICaptionObject*)o;
self->data->push_back(caption->data);
}
if (PyObject_IsInstance(o, (PyObject*)&PyUISpriteType))
{
PyUISpriteObject* sprite = (PyUISpriteObject*)o;
self->data->push_back(sprite->data);
}
if (PyObject_IsInstance(o, (PyObject*)&PyUIGridType))
{
PyUIGridObject* grid = (PyUIGridObject*)o;
self->data->push_back(grid->data);
}
Py_INCREF(Py_None);
return Py_None;
}
//TODO: add this method to class scope; move implementation to .cpp file
static PyObject* PyUICollection_remove(PyUICollectionObject* self, PyObject* o)
{
if (!PyLong_Check(o))
{
PyErr_SetString(PyExc_TypeError, "UICollection.remove requires an integer index to remove");
return NULL;
}
long index = PyLong_AsLong(o);
if (index >= self->data->size())
{
PyErr_SetString(PyExc_ValueError, "Index out of range");
return NULL;
}
else if (index < 0)
{
PyErr_SetString(PyExc_NotImplementedError, "reverse indexing is not implemented.");
return NULL;
}
// release the shared pointer at self->data[index];
self->data->erase(self->data->begin() + index);
Py_INCREF(Py_None);
return Py_None;
}
//TODO: add this static array to class scope; move implementation to .cpp file
static PyMethodDef PyUICollection_methods[] = {
{"append", (PyCFunction)PyUICollection_append, METH_O},
//{"extend", (PyCFunction)PyUICollection_extend, METH_O}, // TODO
{"remove", (PyCFunction)PyUICollection_remove, METH_O},
{NULL, NULL, 0, NULL}
};
//TODO: add this method to class scope; move implementation to .cpp file
static PyObject* PyUICollection_repr(PyUICollectionObject* self)
{
std::ostringstream ss;
if (!self->data) ss << "<UICollection (invalid internal object)>";
else {
ss << "<UICollection (" << self->data->size() << " child objects)>";
}
std::string repr_str = ss.str();
return PyUnicode_DecodeUTF8(repr_str.c_str(), repr_str.size(), "replace");
}
//TODO: add this method to class scope; move implementation to .cpp file
static int PyUICollection_init(PyUICollectionObject* self, PyObject* args, PyObject* kwds)
{
PyErr_SetString(PyExc_TypeError, "UICollection cannot be instantiated: a C++ data source is required.");
return -1;
}
//TODO: add this method to class scope; move implementation to .cpp file
static PyObject* PyUICollection_iter(PyUICollectionObject* self)
{
PyUICollectionIterObject* iterObj;
iterObj = (PyUICollectionIterObject*)PyUICollectionIterType.tp_alloc(&PyUICollectionIterType, 0);
if (iterObj == NULL) {
return NULL; // Failed to allocate memory for the iterator object
}
iterObj->data = self->data;
iterObj->index = 0;
iterObj->start_size = self->data->size();
return (PyObject*)iterObj;
}
static PyTypeObject PyUICollectionType = {
//PyVarObject_/HEAD_INIT(NULL, 0)
.tp_name = "mcrfpy.UICollection",
.tp_basicsize = sizeof(PyUICollectionObject),
.tp_itemsize = 0,
//TODO - as static method, not inline lambda def, please
.tp_dealloc = (destructor)[](PyObject* self)
{
PyUICollectionObject* obj = (PyUICollectionObject*)self;
obj->data.reset();
Py_TYPE(self)->tp_free(self);
},
.tp_repr = (reprfunc)PyUICollection_repr,
.tp_as_sequence = &PyUICollection_sqmethods,
.tp_repr = (reprfunc)UICollection::repr,
.tp_as_sequence = &UICollection::sqmethods,
.tp_flags = Py_TPFLAGS_DEFAULT,
.tp_doc = PyDoc_STR("Iterable, indexable collection of UI objects"),
.tp_iter = (getiterfunc)PyUICollection_iter,
.tp_methods = PyUICollection_methods, // append, remove
.tp_iter = (getiterfunc)UICollection::iter,
.tp_methods = UICollection::methods, // append, remove
//.tp_getset = PyUICollection_getset,
.tp_init = (initproc)PyUICollection_init, // just raise an exception
.tp_init = (initproc)UICollection::init, // just raise an exception
//TODO - as static method, not inline lambda def, please
.tp_new = [](PyTypeObject* type, PyObject* args, PyObject* kwds) -> PyObject*
{
// Does PyUICollectionType need __new__ if it's not supposed to be instantiable by the user?

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@ -48,6 +48,13 @@ typedef struct {
std::shared_ptr<std::vector<std::shared_ptr<UIDrawable>>> data;
} PyUICollectionObject;
typedef struct {
PyObject_HEAD
std::shared_ptr<std::vector<std::shared_ptr<UIDrawable>>> data;
int index;
int start_size;
} PyUICollectionIterObject;
namespace mcrfpydef {
//PyObject* py_instance(std::shared_ptr<UIDrawable> source);
// This function segfaults on tp_alloc for an unknown reason, but works inline with mcrfpydef:: methods.