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Alignment: reactive or automatically calculated repositioning of UIDrawables on their parent

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John McCardle 2026-01-13 20:40:34 -05:00
commit 4bf590749c
23 changed files with 1350 additions and 397 deletions
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21
src/UIArc.cpp
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@ -1,6 +1,7 @@
#include "UIArc.h"
#include "McRFPy_API.h"
#include "PythonObjectCache.h"
#include "PyAlignment.h"
#include <cmath>
#include <sstream>
@ -206,6 +207,12 @@ void UIArc::resize(float w, float h) {
vertices_dirty = true;
}
void UIArc::onPositionChanged() {
// Sync center from position (for alignment system)
center = position;
vertices_dirty = true;
}
// Property setters
bool UIArc::setProperty(const std::string& name, float value) {
if (name == "radius") {
@ -443,6 +450,7 @@ PyGetSetDef UIArc::getsetters[] = {
"Position as a Vector (same as center).", (void*)PyObjectsEnum::UIARC},
UIDRAWABLE_GETSETTERS,
UIDRAWABLE_PARENT_GETSETTERS(PyObjectsEnum::UIARC),
UIDRAWABLE_ALIGNMENT_GETSETTERS(PyObjectsEnum::UIARC),
{NULL}
};
@ -481,17 +489,23 @@ int UIArc::init(PyUIArcObject* self, PyObject* args, PyObject* kwds) {
float opacity = 1.0f;
int z_index = 0;
const char* name = nullptr;
PyObject* align_obj = nullptr; // Alignment enum or None
float margin = 0.0f;
float horiz_margin = -1.0f;
float vert_margin = -1.0f;
static const char* kwlist[] = {
"center", "radius", "start_angle", "end_angle", "color", "thickness",
"on_click", "visible", "opacity", "z_index", "name",
"align", "margin", "horiz_margin", "vert_margin",
nullptr
};
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OfffOfOifiz", const_cast<char**>(kwlist),
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OfffOfOifizOfff", const_cast<char**>(kwlist),
&center_obj, &radius, &start_angle, &end_angle,
&color_obj, &thickness,
&click_handler, &visible, &opacity, &z_index, &name)) {
&click_handler, &visible, &opacity, &z_index, &name,
&align_obj, &margin, &horiz_margin, &vert_margin)) {
return -1;
}
@ -546,6 +560,9 @@ int UIArc::init(PyUIArcObject* self, PyObject* args, PyObject* kwds) {
self->data->name = name;
}
// Process alignment arguments
UIDRAWABLE_PROCESS_ALIGNMENT(self->data, align_obj, margin, horiz_margin, vert_margin);
// Register in Python object cache
if (self->data->serial_number == 0) {
self->data->serial_number = PythonObjectCache::getInstance().assignSerial();