McRogueFace/src/UIBase.h

210 lines
7.5 KiB
C++

#pragma once
#include "Python.h"
#include "McRFPy_Doc.h"
#include <memory>
class UIEntity;
typedef struct {
PyObject_HEAD
std::shared_ptr<UIEntity> data;
PyObject* weakreflist; // Weak reference support
} PyUIEntityObject;
class UIFrame;
typedef struct {
PyObject_HEAD
std::shared_ptr<UIFrame> data;
PyObject* weakreflist; // Weak reference support
} PyUIFrameObject;
class UICaption;
typedef struct {
PyObject_HEAD
std::shared_ptr<UICaption> data;
PyObject* font;
PyObject* weakreflist; // Weak reference support
} PyUICaptionObject;
class UIGrid;
typedef struct {
PyObject_HEAD
std::shared_ptr<UIGrid> data;
PyObject* weakreflist; // Weak reference support
} PyUIGridObject;
class UISprite;
typedef struct {
PyObject_HEAD
std::shared_ptr<UISprite> data;
PyObject* weakreflist; // Weak reference support
} PyUISpriteObject;
// Common Python method implementations for UIDrawable-derived classes
// These template functions provide shared functionality for Python bindings
// get_bounds method implementation (#89)
template<typename T>
static PyObject* UIDrawable_get_bounds(T* self, PyObject* Py_UNUSED(args))
{
auto bounds = self->data->get_bounds();
return Py_BuildValue("(ffff)", bounds.left, bounds.top, bounds.width, bounds.height);
}
// move method implementation (#98)
template<typename T>
static PyObject* UIDrawable_move(T* self, PyObject* args)
{
float dx, dy;
if (!PyArg_ParseTuple(args, "ff", &dx, &dy)) {
return NULL;
}
self->data->move(dx, dy);
Py_RETURN_NONE;
}
// resize method implementation (#98)
template<typename T>
static PyObject* UIDrawable_resize(T* self, PyObject* args)
{
float w, h;
if (!PyArg_ParseTuple(args, "ff", &w, &h)) {
return NULL;
}
self->data->resize(w, h);
Py_RETURN_NONE;
}
// Macro to add common UIDrawable methods to a method array
#define UIDRAWABLE_METHODS \
{"get_bounds", (PyCFunction)UIDrawable_get_bounds<PyObjectType>, METH_NOARGS, \
MCRF_METHOD(Drawable, get_bounds, \
MCRF_SIG("()", "tuple"), \
MCRF_DESC("Get the bounding rectangle of this drawable element."), \
MCRF_RETURNS("tuple: (x, y, width, height) representing the element's bounds") \
MCRF_NOTE("The bounds are in screen coordinates and account for current position and size.") \
)}, \
{"move", (PyCFunction)UIDrawable_move<PyObjectType>, METH_VARARGS, \
MCRF_METHOD(Drawable, move, \
MCRF_SIG("(dx: float, dy: float)", "None"), \
MCRF_DESC("Move the element by a relative offset."), \
MCRF_ARGS_START \
MCRF_ARG("dx", "Horizontal offset in pixels") \
MCRF_ARG("dy", "Vertical offset in pixels") \
MCRF_NOTE("This modifies the x and y position properties by the given amounts.") \
)}, \
{"resize", (PyCFunction)UIDrawable_resize<PyObjectType>, METH_VARARGS, \
MCRF_METHOD(Drawable, resize, \
MCRF_SIG("(width: float, height: float)", "None"), \
MCRF_DESC("Resize the element to new dimensions."), \
MCRF_ARGS_START \
MCRF_ARG("width", "New width in pixels") \
MCRF_ARG("height", "New height in pixels") \
MCRF_NOTE("For Caption and Sprite, this may not change actual size if determined by content.") \
)}
// Property getters/setters for visible and opacity
template<typename T>
static PyObject* UIDrawable_get_visible(T* self, void* closure)
{
return PyBool_FromLong(self->data->visible);
}
template<typename T>
static int UIDrawable_set_visible(T* self, PyObject* value, void* closure)
{
if (!PyBool_Check(value)) {
PyErr_SetString(PyExc_TypeError, "visible must be a boolean");
return -1;
}
self->data->visible = PyObject_IsTrue(value);
return 0;
}
template<typename T>
static PyObject* UIDrawable_get_opacity(T* self, void* closure)
{
return PyFloat_FromDouble(self->data->opacity);
}
template<typename T>
static int UIDrawable_set_opacity(T* self, PyObject* value, void* closure)
{
float opacity;
if (PyFloat_Check(value)) {
opacity = PyFloat_AsDouble(value);
} else if (PyLong_Check(value)) {
opacity = PyLong_AsDouble(value);
} else {
PyErr_SetString(PyExc_TypeError, "opacity must be a number");
return -1;
}
// Clamp to valid range
if (opacity < 0.0f) opacity = 0.0f;
if (opacity > 1.0f) opacity = 1.0f;
self->data->opacity = opacity;
return 0;
}
// Macro to add common UIDrawable properties to a getsetters array
#define UIDRAWABLE_GETSETTERS \
{"visible", (getter)UIDrawable_get_visible<PyObjectType>, (setter)UIDrawable_set_visible<PyObjectType>, \
MCRF_PROPERTY(visible, \
"Whether the object is visible (bool). " \
"Invisible objects are not rendered or clickable." \
), NULL}, \
{"opacity", (getter)UIDrawable_get_opacity<PyObjectType>, (setter)UIDrawable_set_opacity<PyObjectType>, \
MCRF_PROPERTY(opacity, \
"Opacity level (0.0 = transparent, 1.0 = opaque). " \
"Automatically clamped to valid range [0.0, 1.0]." \
), NULL}
// #122 & #102: Macro for parent/global_position properties (requires closure with type enum)
// These need the PyObjectsEnum value in closure, so they're added separately in each class
#define UIDRAWABLE_PARENT_GETSETTERS(type_enum) \
{"parent", (getter)UIDrawable::get_parent, (setter)UIDrawable::set_parent, \
MCRF_PROPERTY(parent, \
"Parent drawable. " \
"Get: Returns the parent Frame/Grid if nested, or None if at scene level. " \
"Set: Assign a Frame/Grid to reparent, or None to remove from parent." \
), (void*)type_enum}, \
{"global_position", (getter)UIDrawable::get_global_pos, NULL, \
MCRF_PROPERTY(global_position, \
"Global screen position (read-only). " \
"Calculates absolute position by walking up the parent chain." \
), (void*)type_enum}, \
{"bounds", (getter)UIDrawable::get_bounds_py, NULL, \
MCRF_PROPERTY(bounds, \
"Bounding rectangle (x, y, width, height) in local coordinates." \
), (void*)type_enum}, \
{"global_bounds", (getter)UIDrawable::get_global_bounds_py, NULL, \
MCRF_PROPERTY(global_bounds, \
"Bounding rectangle (x, y, width, height) in screen coordinates." \
), (void*)type_enum}, \
{"on_enter", (getter)UIDrawable::get_on_enter, (setter)UIDrawable::set_on_enter, \
MCRF_PROPERTY(on_enter, \
"Callback for mouse enter events. " \
"Called with (x, y, button, action) when mouse enters this element's bounds." \
), (void*)type_enum}, \
{"on_exit", (getter)UIDrawable::get_on_exit, (setter)UIDrawable::set_on_exit, \
MCRF_PROPERTY(on_exit, \
"Callback for mouse exit events. " \
"Called with (x, y, button, action) when mouse leaves this element's bounds." \
), (void*)type_enum}, \
{"hovered", (getter)UIDrawable::get_hovered, NULL, \
MCRF_PROPERTY(hovered, \
"Whether mouse is currently over this element (read-only). " \
"Updated automatically by the engine during mouse movement." \
), (void*)type_enum}, \
{"on_move", (getter)UIDrawable::get_on_move, (setter)UIDrawable::set_on_move, \
MCRF_PROPERTY(on_move, \
"Callback for mouse movement within bounds. " \
"Called with (x, y, button, action) for each mouse movement while inside. " \
"Performance note: Called frequently during movement - keep handlers fast." \
), (void*)type_enum}
// UIEntity specializations are defined in UIEntity.cpp after UIEntity class is complete