2 * Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "json_helper.hpp"
22 #include "wayland.hpp"
29 #include <json-c/json.h>
32 #include <bits/signum.h>
46 result<json> file_to_json(char const *filename) {
47 std::ifstream i(filename);
49 return Err<json>("Could not open config file");
56 struct result<layer_map>
57 load_layer_map(char const *filename) {
58 logdebug("loading IDs from %s", filename);
60 auto j = file_to_json(filename);
62 return Err<layer_map>(j.unwrap_err());
64 json jids = j.unwrap();
66 return to_layer_map(jids);
72 // ___| | __ _ ___ ___ / \ _ __ _ __ (_)_ __ ___ _ __ | |
73 // / __| |/ _` / __/ __| / _ \ | '_ \| '_ \ | | '_ ` _ \| '_ \| |
74 // | (__| | (_| \__ \__ \ / ___ \| |_) | |_) | | | | | | | | |_) | |
75 // \___|_|\__,_|___/___/ /_/ \_\ .__/| .__/ |_|_| |_| |_| .__/|_|
77 App::App(wl::display *d)
87 pending_events(false) {
88 assert(g_app == nullptr);
93 auto l = load_layer_map(
94 this->config.get_string("layers.json").value().c_str());
96 this->layers = l.unwrap();
98 logerror("%s", l.err().value());
101 } catch (std::exception &e) {
102 logerror("Loading of configuration failed: %s", e.what());
106 App::~App() { g_app = nullptr; }
109 if (!this->display->ok()) {
113 if (this->layers.mapping.empty()) {
114 logerror("No surface -> layer mapping loaded");
118 this->display->add_global_handler(
119 "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
120 this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
123 this->display->add_global_handler(
124 "ivi_controller", [this](wl_registry *r, uint32_t name, uint32_t v) {
126 std::make_unique<struct genivi::controller>(r, name, v);
128 // Init controller hooks
129 this->controller->chooks = &this->chooks;
131 // XXX: This protocol needs the output, so lets just add our mapping
133 this->controller->add_proxy_to_id_mapping(
134 this->outputs.back()->proxy.get(),
135 wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
136 this->outputs.back()->proxy.get())));
139 // First level objects
140 this->display->roundtrip();
141 // Second level objects
142 this->display->roundtrip();
143 // Third level objects
144 this->display->roundtrip();
146 return init_layers();
149 int App::dispatch_events() {
150 if (this->dispatch_events() == 0) {
154 int ret = this->display->dispatch();
156 logerror("wl_display_dipatch() returned error %d",
157 this->display->get_error());
160 this->display->flush();
165 int App::dispatch_pending_events() {
166 if (this->pop_pending_events()) {
167 assert(this->pending_events == false);
168 this->display->dispatch_pending();
175 // (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \
176 // | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | |
177 // | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | |
178 // |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | |
179 // |_____| |___/ \_\/_/
180 int App::init_layers() {
181 if (!this->controller) {
182 logerror("ivi_controller global not available");
186 if (this->outputs.empty()) {
187 logerror("no output was set up!");
191 auto &c = this->controller;
193 auto &o = this->outputs.front();
194 auto &s = c->screens.begin()->second;
195 auto &layers = c->layers;
197 // XXX: Write output dimensions to ivi controller...
198 c->output_size = genivi::size{uint32_t(o->width), uint32_t(o->height)};
206 // Quick and dirty setup of layers
207 // XXX: This likely needs to be sorted by order (note, we don't (yet?)
208 // do any zorder arrangement).
209 for (auto const &i : this->layers.mapping) {
210 c->layer_create(i.layer_id, o->width, o->height);
211 auto &l = layers[i.layer_id];
212 l->set_destination_rectangle(0, 0, o->width, o->height);
213 l->set_visibility(1);
214 logdebug("Setting up layer %s (%d) for surfaces %d-%d and role match \"%s\"", i.name.c_str(),
215 i.layer_id, i.id_min, i.id_max, i.role.c_str());
216 this->layouts[l->id] = LayoutState{};
219 // Add layers to screen (XXX: are they sorted correctly?)
220 s->set_render_order(this->layers.layers);
224 this->display->flush();
231 #ifdef WE_LIKE_NOT_TO_USE_THIS
232 // This can fix the HomeScreen...
233 void redraw_fix(App *app, std::unique_ptr<genivi::surface> &s, int x, int y,
235 { // XXX: Work around weston redraw issues
236 // trigger an update by changing the source dimensions!
237 s->set_configuration(w + 1, h);
238 s->set_source_rectangle(0, 0, w + 1, h);
239 s->set_destination_rectangle(x, y, w + 1, h);
240 app->controller->commit_changes();
241 app->display->roundtrip();
243 // wait some time, for the process to do its thing...
244 using namespace std::chrono_literals;
245 std::this_thread::sleep_for(100ms);
247 // Set a different size then what we actually want.
248 s->set_configuration(w, h);
249 s->set_source_rectangle(0, 0, w, h);
250 s->set_destination_rectangle(x, y, w, h);
251 app->controller->commit_changes();
252 app->display->roundtrip();
259 void App::surface_set_layout_full(uint32_t surface_id) {
260 if (!this->controller->surface_exists(surface_id)) {
261 logerror("Surface %d does not exist", int(surface_id));
265 auto o_layer_id = this->layers.get_layer_id(surface_id);
268 logerror("Surface %d is not associated with any layer!", int(surface_id));
272 uint32_t layer_id = o_layer_id.value();
273 logdebug("surface_set_layout for surface %u on layer %u", surface_id,
276 auto const &layer = this->layers.get_layer(layer_id);
277 auto rect = layer.value().rect;
278 auto &s = this->controller->surfaces[surface_id];
285 // less-than-0 values refer to MAX + 1 - $VALUE
286 // e.g. MAX is either screen width or height
288 w = this->controller->output_size.w + 1 + w;
291 h = this->controller->output_size.h + 1 + h;
294 // configure surface to wxh dimensions
295 s->set_configuration(w, h);
297 // set source reactangle, even if we should not need to set it.
298 s->set_source_rectangle(0, 0, w, h);
300 // set destination to the display rectangle
301 s->set_destination_rectangle(x, y, w, h);
303 //redraw_fix(this, s, x, y, w, h);
305 logdebug("Surface %u now with rect { %d, %d, %d, %d }",
306 surface_id, x, y, w, h);
309 void App::surface_set_layout_split(uint32_t surface_id, uint32_t sub_surface_id) {
310 if (!this->controller->surface_exists(surface_id)) {
311 logerror("Surface %d does not exist", int(surface_id));
315 auto o_layer_id = this->layers.get_layer_id(surface_id);
318 logerror("Surface %d is not associated with any layer!", int(surface_id));
322 uint32_t layer_id = o_layer_id.value();
323 logdebug("surface_set_layout for surface %u on layer %u", surface_id,
326 auto const &layer = this->layers.get_layer(layer_id);
327 auto rect = layer.value().rect;
328 auto &s = this->controller->surfaces[surface_id];
329 auto &ss = this->controller->surfaces[sub_surface_id];
336 this->state.main = surface_id;
337 this->state.sub = sub_surface_id;
338 this->state.s = LayoutState::Split;
340 // less-than-0 values refer to MAX + 1 - $VALUE
341 // e.g. MAX is either screen width or height
343 w = this->controller->output_size.w + 1 + w;
346 h = this->controller->output_size.h + 1 + h;
352 // split along major axis
361 // configure surface to wxh dimensions
362 s->set_configuration(w, h);
363 // set source reactangle, even if we should not need to set it.
364 s->set_source_rectangle(0, 0, w, h);
365 // set destination to the display rectangle
366 s->set_destination_rectangle(x, y, w, h);
368 // configure surface to wxh dimensions
369 ss->set_configuration(w, h);
370 // set source reactangle, even if we should not need to set it.
371 ss->set_source_rectangle(0, 0, w, h);
372 // set destination to the display rectangle
373 ss->set_destination_rectangle(x+x_off, y+y_off, w, h);
375 //redraw_fix(this, s, x, y, w, h);
376 //redraw_fix(this, ss, x+x_off, y+y_off, w, h);
378 logdebug("Surface %u now on layer %u with rect { %d, %d, %d, %d }",
379 surface_id, layer_id, x, y, w, h);
382 char const *App::activate_surface(char const *drawing_name) {
383 auto const &surface_id = this->lookup_id(drawing_name);
386 return "Surface does not exist";
389 if (!this->controller->surface_exists(*surface_id)) {
390 return "Surface does not exist in controller!";
393 if (this->state.main == *surface_id || this->state.sub == *surface_id) {
394 return "Surface already active";
397 // This should involve a policy check, but as we do not (yet) have
398 // such a thing, we will just switch to this surface.
399 // XXX: input focus missing!!1
401 // Make it visible, no (or little effect) if already visible
402 auto &s = this->controller->surfaces[*surface_id];
404 //// Set all others invisible
405 //for (auto &i : this->controller->surfaces) {
406 // auto &si = this->controller->sprops[i.second->id];
407 // if (si.id != s->id && si.visibility != 0 &&
408 // int(si.id) != this->layers.main_surface) {
409 // this->deactivate(si.id);
413 if (this->state.main == -1) {
414 this->surface_set_layout_full(*surface_id);
415 this->activate(*surface_id);
416 this->state.main = *surface_id;
417 this->state.sub = -1;
418 this->state.s = LayoutState::Single;
420 bool can_split = this->can_split(*surface_id);
422 if (this->state.sub == -1) {
424 if (this->state.main != *surface_id) {
425 this->surface_set_layout_split(this->state.main,
426 this->state.sub = *surface_id);
427 this->activate(this->state.sub);
430 this->surface_set_layout_full(*surface_id);
431 this->deactivate(this->state.main);
432 this->activate(*surface_id);
433 this->deactivate(this->state.sub);
434 this->state.main = *surface_id;
435 this->state.sub = -1;
436 this->state.s = LayoutState::Single;
442 this->controller->commit_changes();
443 this->display->flush();
449 char const *App::deactivate_surface(char const *drawing_name) {
450 auto const &surface_id = this->lookup_id(drawing_name);
453 return "Surface does not exist";
456 if (*surface_id == this->layers.main_surface) {
457 return "Cannot deactivate main_surface";
460 if (this->state.main == -1) {
461 return "No surface active";
463 if (this->state.main == *surface_id) {
464 if (this->state.sub != -1) {
465 this->deactivate(*surface_id);
466 this->surface_set_layout_full(this->state.sub);
467 this->state.main = this->state.sub;
468 this->state.sub = -1;
469 this->state.s = LayoutState::Single;
471 this->deactivate(*surface_id);
472 this->state.main = -1;
474 }else if (this->state.sub == *surface_id) {
475 this->deactivate(*surface_id);
476 this->surface_set_layout_full(this->state.main);
477 this->state.sub = -1;
478 this->state.s = LayoutState::Single;
480 return "Surface is not active";
484 this->controller->commit_changes();
485 this->display->flush();
491 // _ __ _ __ _____ _(_) ___ __| | | ____|_ _____ _ __ | |_ ___
492 // | '_ \| '__/ _ \ \/ / |/ _ \/ _` | | _| \ \ / / _ \ '_ \| __/ __|
493 // | |_) | | | (_) > <| | __/ (_| | | |___ \ V / __/ | | | |_\__ \
494 // | .__/|_| \___/_/\_\_|\___|\__,_| |_____| \_/ \___|_| |_|\__|___/
496 void App::surface_created(uint32_t surface_id) {
497 logdebug("surface_id is %u", surface_id);
499 this->surface_set_layout_full(surface_id);
501 this->controller->layers[this->layers.get_layer_id(surface_id).value()]
502 ->add_surface(this->controller->surfaces[surface_id].get());
504 // activate the main_surface right away
505 if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
506 logdebug("Activating main_surface (%d)", surface_id);
508 this->activate_surface(
509 this->lookup_name(surface_id).value_or("unknown-name").c_str());
513 void App::surface_removed(uint32_t surface_id) {
514 logdebug("surface_id is %u", surface_id);
516 this->id_alloc.remove_id(surface_id);
519 void App::emit_activated(char const *label) {
520 this->api.send_event("activated", label);
523 void App::emit_deactivated(char const *label) {
524 this->api.send_event("deactivated", label);
527 void App::emit_syncdraw(char const *label) {
528 this->api.send_event("syncdraw", label);
531 void App::emit_flushdraw(char const *label) {
532 this->api.send_event("syncdraw", label);
535 void App::emit_visible(char const *label, bool is_visible) {
536 this->api.send_event(is_visible ? "visible" : "invisible", label);
539 void App::emit_invisible(char const *label) { return emit_visible(label, 0); }
541 void App::emit_visible(char const *label) { return emit_visible(label, 1); }
543 result<int> App::request_surface(char const *drawing_name) {
544 auto lid = this->layers.get_layer_id(std::string(drawing_name));
546 // XXX: to we need to put these applications on the App layer?
547 return Err<int>("Drawing name does not match any role");
550 auto rname = this->lookup_id(drawing_name);
552 // name does not exist yet, allocate surface id...
553 auto id = int(this->id_alloc.generate_id(drawing_name));
554 this->layers.add_surface(id, lid.value());
556 // XXX: we set the main_surface[_name] here and now,
557 // not sure if we want this, but it worked so far.
558 if (!this->layers.main_surface_name.empty() &&
559 this->layers.main_surface_name == drawing_name) {
560 this->layers.main_surface = id;
561 logdebug("Set main_surface id to %u", id);
567 // Check currently registered drawing names if it is already there.
568 return Err<int>("Surface already present");
571 void App::activate(int id) {
572 if (this->controller->sprops[id].visibility == 0) {
573 this->controller->surfaces[id]->set_visibility(1);
575 this->lookup_name(id).value_or("unknown-name").c_str();
576 this->emit_activated(label);
577 this->emit_visible(label);
581 void App::deactivate(int id) {
582 if (this->controller->sprops[id].visibility != 0) {
583 this->controller->surfaces[id]->set_visibility(0);
585 this->lookup_name(id).value_or("unknown-name").c_str();
586 this->emit_deactivated(label);
587 this->emit_invisible(label);
591 bool App::can_split(int new_id) {
592 if (this->state.main != -1 && this->state.main != new_id) {
593 auto new_id_layer = this->layers.get_layer_id(new_id).value();
594 auto current_id_layer =
595 this->layers.get_layer_id(this->state.main).value();
597 // surfaces are on separate layers, don't bother.
598 if (new_id_layer != current_id_layer) {
602 std::string const &new_id_str = this->lookup_name(new_id).value();
603 std::string const &cur_id_str =
604 this->lookup_name(this->state.main).value();
606 auto const &layer = this->layers.get_layer(new_id_layer);
608 logdebug("layer info name: %s", layer->name.c_str());
610 if (layer->layouts.empty()) {
614 for (auto i = layer->layouts.cbegin(); i != layer->layouts.cend(); i++) {
615 logdebug("%d main_match '%s'", new_id_layer, i->main_match.c_str());
616 auto rem = std::regex(i->main_match);
617 if (std::regex_match(cur_id_str, rem)) {
618 // build the second one only if the first already matched
619 logdebug("%d sub_match '%s'", new_id_layer, i->sub_match.c_str());
620 auto res = std::regex(i->sub_match);
621 if (std::regex_match(new_id_str, res)) {
622 logdebug("layout matched!");
633 // ___ ___ _ __ | |_ _ __ ___ | | | ___ _ __ | |__ ___ ___ | | _____
634 // / __/ _ \| '_ \| __| '__/ _ \| | |/ _ \ '__|| '_ \ / _ \ / _ \| |/ / __|
635 // | (_| (_) | | | | |_| | | (_) | | | __/ | | | | | (_) | (_) | <\__ \
636 // \___\___/|_| |_|\__|_| \___/|_|_|\___|_|___|_| |_|\___/ \___/|_|\_\___/
638 void controller_hooks::surface_created(uint32_t surface_id) {
639 this->app->surface_created(surface_id);
642 void controller_hooks::surface_removed(uint32_t surface_id) {
643 this->app->surface_removed(surface_id);