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.
17 #ifndef TMCAGLWM_LAYERS_H
18 #define TMCAGLWM_LAYERS_H
25 #include "wayland.hpp"
31 std::string main_match;
32 std::string sub_match;
37 using json = nlohmann::json;
39 // Min and max surface ID mapped to this layer
42 // A more or less descriptive name?
43 std::string name = "";
44 // The actual layer ID
46 // The rectangular region surfaces are allowed to draw on
47 // this layer, note however, width and hieght of the rect
48 // can be negative, in which case they specify that
49 // the actual value is computed using MAX + 1 - w
50 // That is; allow us to specify dimensions dependent on
51 // e.g. screen dimension, w/o knowing the actual screen size.
53 // Specify a role prefix for surfaces that should be
56 // XXX perhaps a zorder is needed here?
57 std::vector<struct split_layout> layouts;
59 explicit layer(nlohmann::json const &j);
61 bool operator<(struct layer const &rhs) const {
62 return this->id_max < rhs.id_max;
69 using json = nlohmann::json;
71 using storage_type = std::set<struct layer>;
72 using layers_type = std::vector<unsigned int>;
73 using role_to_layer_map = std::vector<std::pair<std::string, int>>;
74 using addsurf_layer_map = std::map<unsigned, unsigned>;
76 // XXX: we also will need a layer_id to layer map, perhaps
77 // make this the primary map, and the surface_id->layer a
80 storage_type mapping; // map surface_id to layer
81 layers_type layers; // the actual layer IDs we have
83 std::string main_surface_name;
84 role_to_layer_map roles;
85 addsurf_layer_map surfaces; // additional surfaces on layers
87 optional<int> get_layer_id(int surface_id);
88 optional<int> get_layer_id(std::string const &role);
89 optional<struct layer> get_layer(int layer_id) {
90 auto i = std::find_if(
91 std::cbegin(this->mapping), std::cend(this->mapping),
92 [layer_id](struct layer const &l) { return layer_id == l.layer_id; });
93 return i == this->mapping.end() ? nullopt : optional<struct layer>(*i);
96 optional<genivi::rect> get_layer_rect(int surface_id);
97 layers_type::size_type get_layers_count() const {
98 return this->layers.size();
101 void add_surface(unsigned surface_id, unsigned layer_id) {
102 this->surfaces[surface_id] = layer_id;
105 json to_json() const;
108 struct result<struct layer_map> to_layer_map(nlohmann::json const &j);
112 #endif // TMCAGLWM_LAYERS_H