-//
-// Created by mfritzsc on 7/11/17.
-//
+/*
+ * Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
#include "app.hpp"
#include "json_helper.hpp"
#include <json-c/json.h>
+#include <algorithm>
#include <bits/signum.h>
#include <csignal>
#include <fstream>
using json = nlohmann::json;
struct wm::area area_from_json(json const &j) {
- DB(j);
return wm::area{
- j["name"].get<std::string>(),
+ j["name"],
{
- get<int32_t>(j["width"]), get<int32_t>(j["height"]),
- get<int32_t>(j["x"]), get<int32_t>(j["y"]),
+ j["width"], j["height"], j["x"], j["y"],
},
- get<uint32_t>(j["zorder"]),
+ j["zorder"],
};
}
result<struct layout> layout_from_json(json const &j) {
- DB(j);
auto &ja = j["areas"];
- auto l = layout{j["name"].get<std::string>(), uint32_t(ja.size()), {}};
+ auto l = layout{j["name"], uint32_t(ja.size()), {}};
if (ja.size() > layout::MAX_N_AREAS) {
return Err<struct layout>("Invalid number of areas in layout");
return Ok(l);
}
+result<json> file_to_json(char const *filename) {
+ std::ifstream i(filename);
+ if (i.fail()) {
+ return Err<json>("Could not open config file");
+ }
+ json j;
+ i >> j;
+ return Ok(j);
+}
+
+// Will throw if parsing fails
struct result<layouts_type> load_layout(char const *filename) {
- DB("loading layout from " << filename);
+ logdebug("loading layout from %s", filename);
- json jlayouts;
- std::ifstream i(filename);
- i >> jlayouts;
+ auto j = file_to_json(filename);
+ if (j.is_err()) {
+ return Err<layouts_type>(j.unwrap_err());
+ }
+ json jlayouts = j.unwrap();
auto layouts = layouts_type();
layouts.reserve(jlayouts.size());
return Ok(layouts);
}
-struct result<surface_id_to_layer_map>
- load_layer_ids(char const *filename) {
- DB("loading IDs from " << filename);
+struct result<layer_map>
+ load_layer_map(char const *filename) {
+ logdebug("loading IDs from %s", filename);
- json jids;
- std::ifstream i(filename);
- i >> jids;
+ auto j = file_to_json(filename);
+ if (j.is_err()) {
+ return Err<layer_map>(j.unwrap_err());
+ }
+ json jids = j.unwrap();
- return to_surface_id_to_layer_map(jids);
+ return to_layer_map(jids);
}
} // namespace
display{d},
controller{},
outputs(),
- layouts(), // load_layout("../layout.json").unwrap()),
- surface2layer(load_layer_ids("../ids.json").unwrap()) {
- // layouts(load_layout("../layout.json").unwrap()) {
+ config(),
+ layouts(),
+ layers(),
+ pending(),
+ name_mapping(),
+ id_alloc{} {
assert(g_app == nullptr);
g_app = this;
try {
- auto l = load_layout("../layout.json");
- if (l.is_err()) {
- logerror("Coult not load layout configuration: %s", l.err().value());
+ {
+ auto l = load_layer_map(
+ this->config.get_string("layers.json").value().c_str());
+ if (l.is_ok()) {
+ this->layers = l.unwrap();
+ } else {
+ logerror("%s", l.err().value());
+ }
+ }
+
+ {
+ auto l =
+ load_layout(this->config.get_string("layout.json").value().c_str());
+ if (l.is_ok()) {
+ this->layouts = l.unwrap();
+ } else {
+ logerror("%s", l.err().value());
+ }
}
} catch (std::exception &e) {
- logerror("Coult not load layout configuration: %s", e.what());
+ logerror("Loading of configuration failed: %s", e.what());
}
}
return -1;
}
+ if (this->layers.mapping.empty()) {
+ logerror("No surface -> layer mapping loaded");
+ return -1;
+ }
+
this->display->add_global_handler(
"wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
this->display->flush();
// execute pending tasks, that is layout changes etc.
- this->controller->execute_pending();
- this->display->roundtrip();
+ this->execute_pending();
return 0;
}
// Quick and dirty setup of layers
// XXX: This likely needs to be sorted by order (note, we don't (yet?)
// do any zorder arrangement).
- for (auto const &i : this->surface2layer.mapping) {
+ for (auto const &i : this->layers.mapping) {
c->layer_create(i.layer_id, o->width, o->height);
auto &l = layers[i.layer_id];
l->set_destination_rectangle(0, 0, o->width, o->height);
}
// Add layers to screen (XXX: are they sorted correctly?)
- s->set_render_order(this->surface2layer.layers);
+ s->set_render_order(this->layers.layers);
c->commit_changes();
return 0;
}
+void App::surface_set_layout(uint32_t surface_id) {
+ auto o_layer_id = this->layers.get_layer_id(surface_id);
+
+ if (!o_layer_id) {
+ logerror("Surface %d is not associated with any layer!", int(surface_id));
+ return;
+ }
+
+ if (!this->controller->surface_exists(surface_id)) {
+ logerror("Surface %d does not exist", int(surface_id));
+ return;
+ }
+
+ uint32_t layer_id = o_layer_id.value();
+ logdebug("surface_set_layout for surface %u on layer %u", surface_id,
+ layer_id);
+
+ auto const &layer = this->layers.get_layer(layer_id);
+ auto rect = layer.value().rect;
+ auto &s = this->controller->surfaces[surface_id];
+
+ int x = rect.x;
+ int y = rect.y;
+ int w = rect.w;
+ int h = rect.h;
+
+ // less-than-0 values refer to MAX + 1 - $VALUE
+ // e.g. MAX is either screen width or height
+ if (w < 0) {
+ w = this->controller->output_size.w + 1 + w;
+ }
+ if (h < 0) {
+ h = this->controller->output_size.h + 1 + h;
+ }
+
+ // configure surface to wxh dimensions
+ s->set_configuration(w, h);
+ // set destination to the display rectangle
+ s->set_destination_rectangle(x, y, w, h);
+
+ // XXX: visibility should be determined independently of our
+ // layer + geometry setup.
+ s->set_visibility(
+ surface_id == static_cast<unsigned>(this->layers.main_surface) ? 1 : 0);
+ this->controller->layers[layer_id]->add_surface(s.get());
+
+ logdebug("Surface %u now on layer %u with rect { %d, %d, %d, %d }",
+ surface_id, layer_id, x, y, w, h);
+}
+
+char const *App::activate_surface(uint32_t surface_id) {
+ if (!this->controller->surface_exists(surface_id)) {
+ return "Surface does not exist";
+ }
+
+ // This should involve a policy check, but as we do not (yet) have
+ // such a thing, we will just switch to this surface.
+ // XXX: input focus missing!!1
+
+ // Make it visible, no (or little effect) if already visible
+ auto &s = this->controller->surfaces[surface_id];
+
+ // Set all others invisible
+ for (auto &i : this->controller->surfaces) {
+ auto &si = this->controller->sprops[i.second->id];
+ if (si.visibility == 1 && si.id != s->id &&
+ int(si.id) != this->layers.main_surface) {
+ i.second->set_visibility(0);
+ }
+ }
+ s->set_visibility(1);
+
+ // commit changes
+ this->controller->commit_changes();
+ this->display->flush();
+
+ // no error
+ return nullptr;
+}
+
+void App::add_task(char const *name, std::function<void()> &&f) {
+ this->pending.emplace_back(std::make_pair(name, f));
+}
+
+void App::execute_pending() {
+ if (!this->pending.empty()) {
+ for (auto &t : this->pending) {
+ logdebug("executing task '%s'", t.first);
+ t.second();
+ }
+ this->pending.clear();
+ this->controller->commit_changes();
+ this->display->flush();
+ }
+}
+
// _ _ _____ _
// _ __ _ __ _____ _(_) ___ __| | | ____|_ _____ _ __ | |_ ___
// | '_ \| '__/ _ \ \/ / |/ _ \/ _` | | _| \ \ / / _ \ '_ \| __/ __|
// | .__/|_| \___/_/\_\_|\___|\__,_| |_____| \_/ \___|_| |_|\__|___/
// |_|
void App::surface_created(uint32_t surface_id) {
- DB("surface_id is " << surface_id);
- int layer_id =
- this->surface2layer.get_layer_for_surface(surface_id).value_or(-1);
- if (layer_id == -1) {
- logerror("Surface %d (0x%x) is not part of any layer!", surface_id,
- surface_id);
- } else {
- auto rect = this->surface2layer.get_rect_for_surface(surface_id).value();
- this->controller->add_task(
- "fullscreen surface",
- [layer_id, surface_id, rect](struct genivi::controller *c) {
- auto &s = c->surfaces[surface_id];
-
- int x = rect.x;
- int y = rect.y;
- int w = rect.w;
- int h = rect.h;
-
- if (w < 0) {
- w = c->output_size.w + 1 + w;
- }
- if (h < 0) {
- h = c->output_size.h + 1 + h;
- }
- logdebug("Computed rect={ %d, %d, %d, %d }", x, y, w, h);
-
- s->set_configuration(w, h);
- s->set_source_rectangle(0, 0, w, h);
- s->set_destination_rectangle(x, y, w, h);
-
- s->set_visibility(1);
- c->layers[layer_id]->add_surface(s.get());
- logdebug("Surface %u now on layer %u", surface_id, layer_id);
- });
- }
+ logdebug("surface_id is %u", surface_id);
+
+ // We need to execute the surface setup after its creation.
+ this->add_task("surface_set_layout",
+ [surface_id, this] { this->surface_set_layout(surface_id); });
}
void App::surface_removed(uint32_t surface_id) {
- DB("surface_id is " << surface_id);
+ logdebug("surface_id is %u", surface_id);
+}
+
+result<int> App::request_surface(char const *drawing_name) {
+ auto lid = this->layers.get_layer_id(std::string(drawing_name));
+ if (!lid) {
+ // XXX: to we need to put these applications on the App layer?
+ return Err<int>("Drawing name does not match any role");
+ }
+
+ auto rname = this->id_alloc[drawing_name];
+ if (!rname) {
+ // name does not exist yet, allocate surface id...
+ auto id = int(this->id_alloc(drawing_name));
+ this->layers.add_surface(id, lid.value());
+
+ // XXX: you should fix this!
+ if (!this->layers.main_surface_name.empty() &&
+ this->layers.main_surface_name == drawing_name) {
+ this->layers.main_surface = id;
+ this->activate_surface(id);
+ logdebug("Set main_surface id to %u", id);
+ }
+
+ return Ok<int>(id);
+ }
+
+ // Check currently registered drawing names if it is already there.
+ return Err<int>("Surface already present");
+}
+
+char const *App::activate_surface(char const *drawing_name) {
+ auto osid = this->id_alloc[drawing_name];
+
+ if (osid) {
+ logdebug("ativate surface with name %s and id %u", drawing_name,
+ osid.value());
+ this->activate_surface(osid.value());
+ return nullptr;
+ }
+
+ logerror("surface %s unknown", drawing_name);
+ return "Surface unknown";
}
// _ _ _ _ _ _ _
// | |_) | | | | | (_| | | | | | (_| | | (_| | |_) | | | | | | | | | |_) | |
// |_.__/|_|_| |_|\__,_|_|_| |_|\__, |___\__,_| .__/|_| |_|_| |_| |_| .__/|_|
// |___/_____| |_| |_|
-binding_api::result_type binding_api::register_surface(uint32_t appid,
- uint32_t surfid) {
- logdebug("%s appid %u surfid %u", __func__, appid, surfid);
- if (appid > 0xff) {
- return Err<json_object *>("invalid appid");
+binding_api::result_type binding_api::request_surface(
+ char const *drawing_name) {
+ auto r = this->app->request_surface(drawing_name);
+ if (r.is_err()) {
+ return Err<json_object *>(r.unwrap_err());
}
+ return Ok(json_object_new_int(r.unwrap()));
+}
- if (surfid > 0xffff) {
- return Err<json_object *>("invalid surfaceid");
+binding_api::result_type binding_api::activate_surface(
+ char const *drawing_name) {
+ logdebug("%s drawing_name %s", __func__, drawing_name);
+ auto r = this->app->activate_surface(drawing_name);
+ if (r != nullptr) {
+ return Err<json_object *>(r);
}
+ return Ok(json_object_new_object());
+}
- return Ok(json_object_new_int((appid << 16) + surfid));
+binding_api::result_type binding_api::list_drawing_names() {
+ json j = this->app->id_alloc.names;
+ return Ok(json_tokener_parse(j.dump().c_str()));
}
binding_api::result_type binding_api::debug_layers() {
logdebug("%s", __func__);
- return Ok(to_json(this->app->controller->lprops));
+ return Ok(json_tokener_parse(this->app->layers.to_json().dump().c_str()));
}
binding_api::result_type binding_api::debug_surfaces() {
return Ok(json_object_new_object());
}
+binding_api::result_type binding_api::demo_activate_surface(
+ uint32_t surfaceid) {
+ char const *e = this->app->activate_surface(surfaceid);
+ if (e != nullptr) {
+ return Err<json_object *>(e);
+ }
+ return Ok(json_object_new_object());
+}
+
+binding_api::result_type binding_api::demo_activate_all() {
+ for (auto &s : this->app->controller->surfaces) {
+ s.second->set_visibility(1);
+ }
+ this->app->controller->commit_changes();
+ this->app->display->flush();
+ return Ok(json_object_new_object());
+}
+
// _ _ _ _ _
// ___ ___ _ __ | |_ _ __ ___ | | | ___ _ __ | |__ ___ ___ | | _____
// / __/ _ \| '_ \| __| '__/ _ \| | |/ _ \ '__|| '_ \ / _ \ / _ \| |/ / __|
this->app->surface_removed(surface_id);
}
+void controller_hooks::add_task(char const *name, std::function<void()> &&f) {
+ this->app->add_task(name, std::move(f));
+}
+
} // namespace wm