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score-plugin-avnd/Crousti/Layer.hpp
1#pragma once
2#include <Process/LayerPresenter.hpp>
3#include <Process/LayerView.hpp>
4
5#include <Control/Layout.hpp>
6#include <Crousti/MessageBus.hpp>
7#include <Crousti/Painter.hpp>
8#include <Crousti/ProcessModel.hpp>
9
10#include <score/graphics/layouts/GraphicsBoxLayout.hpp>
11#include <score/graphics/layouts/GraphicsGridLayout.hpp>
12#include <score/graphics/layouts/GraphicsSplitLayout.hpp>
13#include <score/graphics/layouts/GraphicsTabLayout.hpp>
14#include <score/graphics/widgets/QGraphicsLineEdit.hpp>
15
16#include <avnd/concepts/layout.hpp>
17
18namespace oscr
19{
20template <typename Item>
22 = avnd::container_layout<Item> || avnd::hbox_layout<Item> || avnd::group_layout<Item>
23 || avnd::vbox_layout<Item> || avnd::split_layout<Item> || avnd::grid_layout<Item>
24 || avnd::tab_layout<Item>;
25
26template <typename Info>
28{
29};
30template <typename Info>
31 requires requires { sizeof(typename Info::ui::bus); }
32struct MessageBusUi<Info>
33{
34 typename Info::ui::bus bus;
35};
36
37template <typename Info, typename RootLayout>
39 : RootLayout
40 , MessageBusUi<Info>
41{
42 using RootLayout::RootLayout;
43 typename Info::ui ui;
44};
45
46template <typename Item>
47static auto createRecursiveLayout(QGraphicsItem* parent)
48{
49 if constexpr(avnd::container_layout<Item>)
50 {
51 return new score::GraphicsLayout{parent};
52 }
53 else if constexpr(avnd::hbox_layout<Item> || avnd::group_layout<Item>)
54 {
55 return new score::GraphicsHBoxLayout{parent};
56 }
57 else if constexpr(avnd::vbox_layout<Item>)
58 {
59 return new score::GraphicsVBoxLayout{parent};
60 }
61 else if constexpr(avnd::split_layout<Item>)
62 {
63 return new score::GraphicsSplitLayout{parent};
64 }
65 else if constexpr(avnd::grid_layout<Item>)
66 {
67 if constexpr(requires { Item::columns(); })
68 {
69 return new score::GraphicsGridColumnsLayout{parent};
70 }
71 else if constexpr(requires { Item::rows(); })
72 {
73 return new score::GraphicsGridRowsLayout{parent};
74 }
75 }
76 else if constexpr(avnd::tab_layout<Item>)
77 {
78 return new score::GraphicsTabLayout{parent};
79 }
80 else if constexpr(avnd::has_layout<Item>)
81 {
82 return new score::GraphicsLayout{parent};
83 }
84 else
85 {
86 // static_assert(Item::no_layout_provided);
87 return new score::GraphicsVBoxLayout{parent};
88 }
89}
90
91template <typename Item>
92static void setupRecursiveLayout(auto* new_l)
93{
94 if constexpr(avnd::grid_layout<Item>)
95 {
96 if constexpr(requires { Item::columns(); })
97 {
98 new_l->setColumns(Item::columns());
99 }
100 else if constexpr(requires { Item::rows(); })
101 {
102 new_l->setRows(Item::rows());
103 }
104 }
105 else if constexpr(avnd::tab_layout<Item>)
106 {
107 [=]<typename... Ts>(avnd::typelist<Ts...> args) {
108 (new_l->addTab(Ts::name()), ...);
109 }(avnd::as_typelist<Item>{});
110 }
111}
112
113template <typename T>
115template <typename T, typename V>
116struct pmf_member_type<V T::*>
117{
118 using type = V;
119};
120
121template <typename T>
122using pmf_member_type_t = typename pmf_member_type<T>::type;
123
124template <typename Info>
126{
127 using inputs_type = typename avnd::input_introspection<Info>::type;
128 using outputs_type = typename avnd::output_introspection<Info>::type;
129 inputs_type temp_inputs{};
130 outputs_type temp_outputs{};
131
132 typename Info::ui* rootUi{};
133
134 template <typename Item>
135 void setupControl(
136 QGraphicsItem* parent, Process::ControlOutlet* inl,
137 const Process::ControlLayout& lay, Item& item)
138 = delete; // TODO
139
140 template <typename Item>
141 void setupControl(
142 QGraphicsItem* parent, Process::ControlInlet* inl,
143 const Process::ControlLayout& lay, Item& item)
144 {
145 if constexpr(requires { sizeof(Item::value); })
146 {
147 using avnd_port_type = pmf_member_type_t<decltype(item.model)>;
148 avnd_port_type p;
149 oscr::from_ossia_value(p, inl->value(), item.value);
150 if constexpr(requires { rootUi->on_control_update(); })
151 {
152 QObject::connect(
153 inl, &Process::ControlInlet::valueChanged, &context,
154 [rui = rootUi, layout = this->layout, &item](const ossia::value& v) {
155 avnd_port_type p;
156 oscr::from_ossia_value(p, v, item.value);
157
158 rui->on_control_update();
159 layout->update();
160 });
161 }
162 else
163 {
164 QObject::connect(
165 inl, &Process::ControlInlet::valueChanged, &context,
166 [layout = this->layout, &item](const ossia::value& v) {
167 avnd_port_type p;
168 oscr::from_ossia_value(p, v, item.value);
169 layout->update();
170 });
171 }
172
173 if constexpr(requires { item.set = {}; })
174 {
175 item.set = [inl](const auto& val) { inl->setValue(oscr::to_ossia_value(val)); };
176 }
177 }
178
179 if constexpr(requires { Item::dynamic_size; })
180 {
181 if(auto obj = dynamic_cast<score::ResizeableItem*>(parent))
182 {
183 if(auto edit = qgraphicsitem_cast<score::QGraphicsLineEdit*>(lay.control))
184 QObject::connect(
185 edit, &score::QGraphicsLineEdit::sizeChanged, obj,
186 &score::ResizeableItem::childrenSizeChanged);
187 }
188 }
189 }
190
191 template <typename Item>
192 void createControl(Item& item, auto... member)
193 {
194 if constexpr(requires { ((inputs_type{}).*....*member); })
195 {
196 int index = avnd::index_in_struct(temp_inputs, member...);
197 auto& proc = static_cast<const ProcessModel<Info>&>(this->proc);
198 auto ports = proc.avnd_input_idx_to_model_ports(index);
199 for(auto p : ports)
200 {
201 auto [port, qitem] = makeInlet(p);
202 {
203 SCORE_ASSERT(port);
204 SCORE_ASSERT(qitem.container);
205 setupControl(this->layout, port, qitem, item);
206 setupItem(item, *qitem.container);
207 }
208 }
209 }
210 else if constexpr(requires { ((outputs_type{}).*....*member); })
211 {
212 int index = avnd::index_in_struct(temp_outputs, member...);
213 auto& proc = static_cast<const ProcessModel<Info>&>(this->proc);
214 auto ports = proc.avnd_output_idx_to_model_ports(index);
215 for(auto p : ports)
216 {
217 auto [port, qitem] = makeOutlet(p);
218 {
219 SCORE_ASSERT(port);
220 SCORE_ASSERT(qitem.container);
221 setupControl(this->layout, port, qitem, item);
222 setupItem(item, *qitem.container);
223 }
224 }
225 }
226 else
227 {
228 static_assert(sizeof...(member) < 0, "not_a_member_of_inputs_or_outputs");
229 }
230 }
231
232 template <typename Item, typename T>
233 void createWidget(Item& it, const T& member)
234 {
235 if constexpr(requires {
236 { member } -> std::convertible_to<std::string_view>;
237 })
238 {
239 auto res = makeLabel(member);
240 setupItem(it, *res);
241 }
242 else if constexpr(requires {
243 { member.text } -> std::convertible_to<std::string_view>;
244 })
245 {
246 auto res = makeLabel(member.text);
247 setupItem(it, *res);
248 }
249 else
250 {
251 createControl(it, member);
252 }
253 }
254
255 template <typename Item, typename... T>
256 requires(sizeof...(T) > 1)
257 void createWidget(Item& item, T... recursive_members)
258 {
259 createControl(item, recursive_members...);
260 }
261
262 template <typename Item>
263 void createCustom(Item& item)
264 {
265 static_assert(!requires { item.transaction; });
266 auto res = new oscr::CustomItem<Item&>{item};
267 setupItem(item, *res);
268 }
269
270 template <typename Item>
271 void createCustomControl(Item& item, auto... member)
272 {
273 if constexpr(requires { ((inputs_type{}).*....*member); })
274 {
275 int index = avnd::index_in_struct(temp_inputs, member...);
276
277 auto& proc = static_cast<const ProcessModel<Info>&>(this->proc);
278 auto ports = proc.avnd_input_idx_to_model_ports(index);
279 for(auto p : ports)
280 {
281 if(auto* port = qobject_cast<Process::ControlInlet*>(p))
282 {
283 auto qitem = new oscr::CustomControl<Item&>{item, *port, this->doc};
284 Process::ControlLayout lay{.container = qitem};
285 setupControl(this->layout, port, lay, item);
286 setupItem(item, *qitem);
287 }
288 }
289 }
290 else if constexpr(requires { ((outputs_type{}).*....*member); })
291 {
292 int index = avnd::index_in_struct(temp_outputs, member...);
293
294 auto& proc = static_cast<const ProcessModel<Info>&>(this->proc);
295 auto ports = proc.avnd_output_idx_to_model_ports(index);
296 for(auto p : ports)
297 {
298 if(auto* port = qobject_cast<Process::ControlOutlet*>(p))
299 {
300 auto qitem = new oscr::CustomControl<Item&>{item, *port, this->doc};
301 Process::ControlLayout lay{.container = qitem};
302 setupControl(this->layout, port, lay, item);
303 setupItem(item, *qitem);
304 }
305 }
306 }
307 else
308 {
309 static_assert(sizeof...(member) < 0, "not_a_member_of_inputs_or_outputs");
310 }
311 }
312
313 template <typename Item>
314 void subLayout(Item& item, score::GraphicsLayout* new_l, auto... recursive_members)
315 {
316 auto old_l = layout;
317 setupLayout(item, *new_l);
318 setupItem(item, *new_l);
319 layout = new_l;
320 createdLayouts.push_back(new_l);
321
322 {
323 using namespace boost::pfr;
324 using namespace boost::pfr::detail;
325 static constexpr int N = boost::pfr::tuple_size_v<Item>;
326 auto t = boost::pfr::detail::tie_as_tuple(item, size_t_<N>{});
327 [&]<std::size_t... I>(std::index_sequence<I...>) {
328 (this->walkLayout(sequence_tuple::get<I>(t), recursive_members...), ...);
329 }(std::make_index_sequence<N>{});
330 }
331
332 layout = old_l;
333 }
334
335 template <typename Item>
336 auto initRecursiveLayout()
337 {
338 auto new_l = createRecursiveLayout<Item>(this->layout);
339 setupRecursiveLayout<Item>(new_l);
340 return new_l;
341 }
342
343 template <typename Item>
344 void walkLayout(Item& item, auto... recursive_members)
345 {
346 if constexpr(avnd::spacing_layout<Item>)
347 {
348 auto widg = new score::EmptyRectItem{layout};
349 double w = 1., h = 1.;
350 if constexpr(requires { Item::width(); })
351 w = Item::width();
352 if constexpr(requires { Item::height(); })
353 h = Item::height();
354 widg->setRect({0, 0, w, h});
355 }
356 else if constexpr(recursive_container_layout<Item>)
357 {
358 subLayout(item, initRecursiveLayout<Item>(), recursive_members...);
359 }
360 else if constexpr(avnd::control_layout<Item>)
361 {
362 // Widget with some metadata.. FIXME
363 // Auto-generated item for a control
364 createWidget(item, recursive_members..., item.model);
365 }
366 else if constexpr(avnd::custom_control_layout<Item>)
367 {
368 // Widget with some metadata.. FIXME
369 // Custom-drawn item for a control
370 createCustomControl(item, recursive_members..., item.model);
371 }
372 else if constexpr(avnd::custom_layout<Item>)
373 {
374 // Widget with some metadata.. FIXME
375 // This is just a cosmetic item without behaviour or control attached
376 createCustom(item);
377 }
378 else if constexpr(avnd::recursive_group_layout<Item>)
379 {
380 walkLayout(item.ui, recursive_members..., item.group);
381 }
382 else if constexpr(avnd::dynamic_controls<Item>)
383 {
384 walkLayout(item.ui, recursive_members..., item.group);
385 }
386 else if constexpr(avnd::has_layout<Item>)
387 {
388 // Treat it like group
389 subLayout(item, initRecursiveLayout<Item>(), recursive_members...);
390 }
391 else
392 {
393 // Normal widget, e.g. just a const char*
394 createWidget(item, item);
395 }
396 }
397};
398
399template <typename Info>
401{
402public:
403 virtual ~LayerFactory() { }
404
405private:
406 std::optional<double> recommendedHeight() const noexcept override
407 {
408 if constexpr(requires { (double)Info::layout::height(); })
409 {
410 return Info::layout::height();
411 }
412 return Process::LayerFactory::recommendedHeight();
413 }
414
415 UuidKey<Process::ProcessModel> concreteKey() const noexcept override
416 {
418 }
419
420 bool matches(const UuidKey<Process::ProcessModel>& p) const override
421 {
423 }
424
425 Process::LayerView* makeLayerView(
426 const Process::ProcessModel& proc, const Process::Context& context,
427 QGraphicsItem* parent) const final override
428 {
429 return nullptr;
430 }
431
432 Process::LayerPresenter* makeLayerPresenter(
434 const Process::Context& context, QObject* parent) const final override
435 {
436 return nullptr;
437 }
438
439 template <typename Item>
440 static void init_bus(ProcessModel<Info>& proc, Item& item)
441 {
442 auto ptr = &item;
443 if constexpr(avnd::has_gui_to_processor_bus<Info>)
444 {
445 // ui -> engine
446 ptr->bus.send_message = MessageBusSender{proc.from_ui};
447 }
448
449 if constexpr(avnd::has_processor_to_gui_bus<Info>)
450 {
451 // engine -> ui
452 proc.to_ui = [ptr = QPointer{ptr}](QByteArray mess) {
453 // FIXME this is not enough as the message may be sent from another thread?
454 if(!ptr)
455 return;
456
457 if constexpr(requires { ptr->bus.process_message(); })
458 {
459 ptr->bus.process_message();
460 }
461 else if constexpr(requires { ptr->bus.process_message(ptr->ui); })
462 {
463 ptr->bus.process_message(ptr->ui);
464 }
465 else if constexpr(requires { ptr->bus.process_message(ptr->ui, {}); })
466 {
467 std::decay_t<avnd::second_argument<&Info::ui::bus::process_message>> arg;
468 MessageBusReader b{mess};
469 b(arg);
470 ptr->bus.process_message(ptr->ui, std::move(arg));
471 }
472 else
473 {
474 ptr->bus.process_message(ptr->ui, {});
475 }
476 };
477 }
478
479 if_possible(ptr->bus.init(ptr->ui));
480 }
481
482 auto makeItemImpl(ProcessModel<Info>& proc, QGraphicsItem* parent) const noexcept
483 {
484 using ui_type = typename Info::ui;
485 using root_layout_type
486 = std::remove_cvref_t<decltype(*createRecursiveLayout<ui_type>(nullptr))>;
487
488 auto new_l = new RootItem<Info, root_layout_type>{parent};
489 setupRecursiveLayout<ui_type>(new_l);
490 if constexpr(requires { sizeof(typename Info::ui::bus); })
491 init_bus(proc, *new_l);
492
493 if constexpr(requires { new_l->ui.start(); })
494 {
495 QObject::connect(&proc, &Process::ProcessModel::startExecution, new_l, [new_l] {
496 new_l->ui.start();
497 });
498 }
499 if constexpr(requires { new_l->ui.stop(); })
500 {
501 QObject::connect(&proc, &Process::ProcessModel::stopExecution, new_l, [new_l] {
502 new_l->ui.stop();
503 });
504 }
505 if constexpr(requires { new_l->ui.reset(); })
506 {
507 QObject::connect(&proc, &Process::ProcessModel::resetExecution, new_l, [new_l] {
508 new_l->ui.reset();
509 });
510 }
511 return new_l;
512 }
513
514 score::ResizeableItem* makeItem(
515 const Process::ProcessModel& proc, const Process::Context& ctx,
516 QGraphicsItem* parent) const final override
517 {
518 using namespace score;
519 auto& process = static_cast<const ProcessModel<Info>&>(proc);
520
521 auto rootItem = makeItemImpl(const_cast<ProcessModel<Info>&>(process), parent);
522
523 auto recreate = [parent, &proc, &ctx, rootItem] {
524 LayoutBuilder<Info> b{
525 *rootItem, proc,
526 ctx, ctx.app.interfaces<Process::PortFactoryList>(),
527 proc.inlets(), proc.outlets(),
528 };
529 b.rootUi = &rootItem->ui;
530 b.layout = parent;
531
532 b.subLayout(rootItem->ui, rootItem);
533
534 b.finalizeLayout(rootItem);
535
536 rootItem->fitChildrenRect();
537
538 if_possible(b.rootUi->on_control_update());
539 };
540
541 QObject::connect(&proc, &Process::ProcessModel::inletsChanged, rootItem, [=]() {
542 auto cld = rootItem->childItems();
543 for(auto item : cld)
544 {
545 delete item;
546 }
547 recreate();
548 });
549 QObject::connect(&proc, &Process::ProcessModel::outletsChanged, rootItem, [=]() {
550 auto cld = rootItem->childItems();
551 for(auto item : cld)
552 {
553 delete item;
554 }
555 recreate();
556 });
557
558 recreate();
559 return rootItem;
560 }
561};
562
563}
Definition Port.hpp:203
Definition Port.hpp:425
Definition score-lib-process/Process/ProcessFactory.hpp:59
Definition LayerPresenter.hpp:34
Definition LayerView.hpp:21
Definition PortFactory.hpp:74
The Process class.
Definition score-lib-process/Process/Process.hpp:61
void startExecution()
Execution.
Definition UuidKey.hpp:344
Definition Painter.hpp:363
Definition Painter.hpp:207
Definition score-plugin-avnd/Crousti/Layer.hpp:401
Definition score-plugin-avnd/Crousti/ProcessModel.hpp:79
Definition RectItem.hpp:64
Definition GraphicsGridLayout.hpp:9
Definition GraphicsGridLayout.hpp:23
Definition GraphicsBoxLayout.hpp:9
Definition GraphicsLayout.hpp:8
Definition GraphicsSplitLayout.hpp:9
Definition GraphicsTabLayout.hpp:9
Definition GraphicsBoxLayout.hpp:18
Definition RectItem.hpp:12
Definition score-plugin-avnd/Crousti/Layer.hpp:22
Definition Factories.hpp:19
Base toolkit upon which the software is built.
Definition Application.cpp:97
Static metadata implementation.
Definition lib/score/tools/Metadata.hpp:36
Definition ProcessContext.hpp:12
Definition PortFactory.hpp:21
Definition plugins/score-lib-process/Control/Layout.hpp:16
Definition ObjectMatches.hpp:6
Definition score-plugin-avnd/Crousti/Layer.hpp:126
Definition MessageBus.hpp:168
Definition MessageBus.hpp:44
Definition score-plugin-avnd/Crousti/Layer.hpp:28
Definition score-plugin-avnd/Crousti/Layer.hpp:41
Definition score-plugin-avnd/Crousti/Layer.hpp:114