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create/src/Gui/SDK/bindings/kcsdk_py.cpp
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feat(sdk): add status bar widget wrapper and origin query bindings (#356)
register_status_widget(): pure Python wrapper that adds a live widget
to the main window status bar with context menu discoverability.

Origin query bindings (kcsdk.list_origins, active_origin, get_origin,
set_active_origin): thin C++ forwarding to OriginManager with Python
wrappers using kcsdk-first routing.

IOriginProvider and IStatusBarProvider C++ interfaces dropped — existing
FileOrigin stack is already complete, and status bar widgets don't need
C++ lifecycle management.
2026-03-01 14:13:31 -06:00

442 lines
16 KiB
C++

// SPDX-License-Identifier: LGPL-2.1-or-later
/****************************************************************************
* *
* Copyright (c) 2025 Kindred Systems <development@kindred-systems.com> *
* *
* This file is part of FreeCAD. *
* *
* FreeCAD is free software: you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* FreeCAD is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with FreeCAD. If not, see *
* <https://www.gnu.org/licenses/>. *
* *
***************************************************************************/
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <pybind11/functional.h>
#include <Gui/SDK/IMenuProvider.h>
#include <Gui/SDK/IPanelProvider.h>
#include <Gui/SDK/IToolbarProvider.h>
#include <Gui/SDK/SDKRegistry.h>
#include <Gui/SDK/ThemeEngine.h>
#include <Gui/SDK/Types.h>
#include <Gui/FileOrigin.h>
#include <Gui/OriginManager.h>
#include "PyIMenuProvider.h"
#include "PyIPanelProvider.h"
#include "PyIToolbarProvider.h"
#include "PyMenuHolder.h"
#include "PyProviderHolder.h"
#include "PyToolbarHolder.h"
namespace py = pybind11;
using namespace KCSDK;
// -- Dict conversion helpers ------------------------------------------------
namespace
{
/// Build a Python dict from a FileOrigin* (same keys as ApplicationPy).
py::dict originToDict(Gui::FileOrigin* origin)
{
py::dict d;
d["id"] = origin->id();
d["name"] = origin->name();
d["nickname"] = origin->nickname();
d["type"] = static_cast<int>(origin->type());
d["tracksExternally"] = origin->tracksExternally();
d["requiresAuthentication"] = origin->requiresAuthentication();
d["supportsRevisions"] = origin->supportsRevisions();
d["supportsBOM"] = origin->supportsBOM();
d["supportsPartNumbers"] = origin->supportsPartNumbers();
d["connectionState"] = static_cast<int>(origin->connectionState());
return d;
}
/// Convert a ContextSnapshot to a Python dict (same keys as ApplicationPy).
py::dict contextSnapshotToDict(const ContextSnapshot& snap)
{
py::dict d;
d["id"] = snap.id;
d["label"] = snap.label;
d["color"] = snap.color;
d["toolbars"] = snap.toolbars;
d["breadcrumb"] = snap.breadcrumb;
d["breadcrumbColors"] = snap.breadcrumbColors;
return d;
}
/// Wrap a Python callable as a GIL-safe std::function<bool()>.
/// The py::object is copied (reference counted) so it survives beyond the
/// calling scope. The GIL is acquired before every invocation.
std::function<bool()> wrapMatchCallable(py::object pyCallable)
{
// Copy the py::object to prevent GC.
auto held = std::make_shared<py::object>(std::move(pyCallable));
return [held]() -> bool {
py::gil_scoped_acquire gil;
try {
py::object result = (*held)();
return result.cast<bool>();
}
catch (py::error_already_set& e) {
e.discard_as_unraisable(__func__);
return false;
}
};
}
} // anonymous namespace
// -- Module -----------------------------------------------------------------
PYBIND11_MODULE(kcsdk, m)
{
m.doc() = "KCSDK — Kindred Create addon SDK C++ API";
m.attr("API_VERSION_MAJOR") = API_VERSION_MAJOR;
m.def("available", []() {
return SDKRegistry::instance().available();
}, "Return names of all registered providers.");
// -- Editing context API ------------------------------------------------
m.def("register_context",
[](const std::string& id,
const std::string& label,
const std::string& color,
const std::vector<std::string>& toolbars,
py::object match,
int priority) {
if (!py::isinstance<py::function>(match) && !py::hasattr(match, "__call__")) {
throw py::type_error("match must be callable");
}
ContextDef def;
def.id = id;
def.labelTemplate = label;
def.color = color;
def.toolbars = toolbars;
def.priority = priority;
def.match = wrapMatchCallable(std::move(match));
SDKRegistry::instance().registerContext(def);
},
py::arg("id"),
py::arg("label"),
py::arg("color"),
py::arg("toolbars"),
py::arg("match"),
py::arg("priority") = 50,
"Register an editing context.\n\n"
"Parameters\n"
"----------\n"
"id : str\n Unique context identifier.\n"
"label : str\n Display label template ({name} placeholder).\n"
"color : str\n Hex color for breadcrumb.\n"
"toolbars : list[str]\n Toolbar names to show when active.\n"
"match : callable\n Zero-arg callable returning True when active.\n"
"priority : int\n Higher values checked first (default 50).");
m.def("unregister_context",
[](const std::string& id) {
SDKRegistry::instance().unregisterContext(id);
},
py::arg("id"),
"Unregister an editing context.");
m.def("register_overlay",
[](const std::string& id,
const std::vector<std::string>& toolbars,
py::object match) {
if (!py::isinstance<py::function>(match) && !py::hasattr(match, "__call__")) {
throw py::type_error("match must be callable");
}
OverlayDef def;
def.id = id;
def.toolbars = toolbars;
def.match = wrapMatchCallable(std::move(match));
SDKRegistry::instance().registerOverlay(def);
},
py::arg("id"),
py::arg("toolbars"),
py::arg("match"),
"Register an editing overlay (additive toolbars).");
m.def("unregister_overlay",
[](const std::string& id) {
SDKRegistry::instance().unregisterOverlay(id);
},
py::arg("id"),
"Unregister an editing overlay.");
m.def("inject_commands",
[](const std::string& contextId,
const std::string& toolbarName,
const std::vector<std::string>& commands) {
SDKRegistry::instance().injectCommands(contextId, toolbarName, commands);
},
py::arg("context_id"),
py::arg("toolbar_name"),
py::arg("commands"),
"Inject commands into a context's toolbar.");
m.def("current_context",
[]() -> py::object {
ContextSnapshot snap = SDKRegistry::instance().currentContext();
if (snap.id.empty()) {
return py::none();
}
return contextSnapshotToDict(snap);
},
"Return the current editing context as a dict, or None.");
m.def("refresh",
[]() {
SDKRegistry::instance().refresh();
},
"Force re-resolution of the editing context.");
// -- Enums --------------------------------------------------------------
py::enum_<DockArea>(m, "DockArea")
.value("Left", DockArea::Left)
.value("Right", DockArea::Right)
.value("Top", DockArea::Top)
.value("Bottom", DockArea::Bottom);
py::enum_<PanelPersistence>(m, "PanelPersistence")
.value("Session", PanelPersistence::Session)
.value("Persistent", PanelPersistence::Persistent);
// -- Panel provider API -------------------------------------------------
py::class_<IPanelProvider, PyIPanelProvider>(m, "IPanelProvider")
.def(py::init<>())
.def("id", &IPanelProvider::id)
.def("title", &IPanelProvider::title)
// create_widget() is not bound directly — Python subclasses override
// it and return a PySide QWidget. The C++ side invokes it via
// PyProviderHolder which handles the PySide→QWidget* conversion
// through WidgetBridge.
.def("preferred_area", &IPanelProvider::preferred_area)
.def("persistence", &IPanelProvider::persistence)
.def("context_affinity", &IPanelProvider::context_affinity);
m.def("register_panel",
[](py::object provider) {
auto holder = std::make_unique<PyProviderHolder>(std::move(provider));
SDKRegistry::instance().registerPanel(std::move(holder));
},
py::arg("provider"),
"Register a dock panel provider.\n\n"
"Parameters\n"
"----------\n"
"provider : IPanelProvider\n"
" Panel provider instance implementing id(), title(), create_widget().");
m.def("unregister_panel",
[](const std::string& id) {
SDKRegistry::instance().unregisterPanel(id);
},
py::arg("id"),
"Remove a registered panel provider and its dock widget.");
m.def("create_panel",
[](const std::string& id) {
SDKRegistry::instance().createPanel(id);
},
py::arg("id"),
"Instantiate the dock widget for a registered panel.");
m.def("create_all_panels",
[]() {
SDKRegistry::instance().createAllPanels();
},
"Instantiate dock widgets for all registered panels.");
m.def("registered_panels",
[]() {
return SDKRegistry::instance().registeredPanels();
},
"Return IDs of all registered panel providers.");
// -- Toolbar provider API -----------------------------------------------
py::class_<IToolbarProvider, PyIToolbarProvider>(m, "IToolbarProvider")
.def(py::init<>())
.def("id", &IToolbarProvider::id)
.def("toolbar_name", &IToolbarProvider::toolbar_name)
.def("context_ids", &IToolbarProvider::context_ids)
.def("commands", &IToolbarProvider::commands);
m.def("register_toolbar",
[](py::object provider) {
auto holder = std::make_unique<PyToolbarHolder>(std::move(provider));
SDKRegistry::instance().registerToolbar(std::move(holder));
},
py::arg("provider"),
"Register a toolbar provider for automatic context injection.\n\n"
"Parameters\n"
"----------\n"
"provider : IToolbarProvider\n"
" Toolbar provider implementing id(), toolbar_name(), context_ids(), commands().");
m.def("unregister_toolbar",
[](const std::string& id) {
SDKRegistry::instance().unregisterToolbar(id);
},
py::arg("id"),
"Remove a registered toolbar provider.");
m.def("registered_toolbars",
[]() {
return SDKRegistry::instance().registeredToolbars();
},
"Return IDs of all registered toolbar providers.");
// -- Menu provider API --------------------------------------------------
py::class_<IMenuProvider, PyIMenuProvider>(m, "IMenuProvider")
.def(py::init<>())
.def("id", &IMenuProvider::id)
.def("menu_path", &IMenuProvider::menu_path)
.def("items", &IMenuProvider::items)
.def("context_ids", &IMenuProvider::context_ids);
m.def("register_menu",
[](py::object provider) {
auto holder = std::make_unique<PyMenuHolder>(std::move(provider));
SDKRegistry::instance().registerMenu(std::move(holder));
},
py::arg("provider"),
"Register a menu provider for declarative menu placement.\n\n"
"Parameters\n"
"----------\n"
"provider : IMenuProvider\n"
" Menu provider implementing id(), menu_path(), items().\n"
" Optionally override context_ids() to limit to specific contexts.");
m.def("unregister_menu",
[](const std::string& id) {
SDKRegistry::instance().unregisterMenu(id);
},
py::arg("id"),
"Remove a registered menu provider.");
m.def("registered_menus",
[]() {
return SDKRegistry::instance().registeredMenus();
},
"Return IDs of all registered menu providers.");
// -- Theme engine API ---------------------------------------------------
m.def("theme_color",
[](const std::string& token) {
auto& engine = ThemeEngine::instance();
if (engine.activePaletteName().empty()) {
engine.loadPalette();
}
return engine.getColor(token);
},
py::arg("token"),
"Look up a color by role or name.\n\n"
"Returns the hex string (e.g. \"#89b4fa\") or empty string if not found.\n"
"Auto-loads the default palette on first call.");
m.def("theme_tokens",
[]() {
auto& engine = ThemeEngine::instance();
if (engine.activePaletteName().empty()) {
engine.loadPalette();
}
return engine.allTokens();
},
"Return all color tokens as {name: \"#hex\"}.\n\n"
"Includes both raw colors and resolved semantic roles.\n"
"Auto-loads the default palette on first call.");
m.def("format_qss",
[](const std::string& templateStr) {
auto& engine = ThemeEngine::instance();
if (engine.activePaletteName().empty()) {
engine.loadPalette();
}
return engine.formatQss(templateStr);
},
py::arg("template_str"),
"Substitute {token} placeholders in a QSS template.\n\n"
"Both raw color names ({blue}) and dotted role names\n"
"({accent.primary}) are supported. Unknown tokens are left as-is.\n"
"Auto-loads the default palette on first call.");
m.def("load_palette",
[](const std::string& name) {
return ThemeEngine::instance().loadPalette(name);
},
py::arg("name") = "catppuccin-mocha",
"Load a named palette. Returns True on success.");
// -- Origin query API ---------------------------------------------------
m.def("list_origins",
[]() {
auto* mgr = Gui::OriginManager::instance();
return mgr ? mgr->originIds() : std::vector<std::string>{};
},
"Return IDs of all registered origins.");
m.def("active_origin",
[]() -> py::object {
auto* mgr = Gui::OriginManager::instance();
if (!mgr) {
return py::none();
}
Gui::FileOrigin* origin = mgr->currentOrigin();
if (!origin) {
return py::none();
}
return originToDict(origin);
},
"Return the active origin as a dict, or None.");
m.def("set_active_origin",
[](const std::string& id) {
auto* mgr = Gui::OriginManager::instance();
if (!mgr) {
return false;
}
return mgr->setCurrentOrigin(id);
},
py::arg("id"),
"Set the active origin by ID. Returns True on success.");
m.def("get_origin",
[](const std::string& id) -> py::object {
auto* mgr = Gui::OriginManager::instance();
if (!mgr) {
return py::none();
}
Gui::FileOrigin* origin = mgr->getOrigin(id);
if (!origin) {
return py::none();
}
return originToDict(origin);
},
py::arg("id"),
"Get origin info by ID as a dict, or None if not found.");
}