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"
30 using json = nlohmann::json;
32 // Min and max surface ID mapped to this layer
35 // A more or less descriptive name?
36 std::string name = "";
37 // The actual layer ID
39 // The rectangular region surfaces are allowed to draw on
40 // this layer, note however, width and hieght of the rect
41 // can be negative, in which case they specify that
42 // the actual value is computed using MAX + 1 - w
43 // That is; allow us to specify dimensions dependent on
44 // e.g. screen dimension, w/o knowing the actual screen size.
46 // XXX perhaps a zorder is needed here?
48 explicit layer(nlohmann::json const &j);
50 bool operator<(struct layer const &rhs) const {
51 return this->id_max < rhs.id_max;
57 // Actually, we shouldn't need a struct here ... but let's just keep it at that
58 // for now, to contain its mapping type and the _single_ useful method.
60 using json = nlohmann::json;
62 typedef std::set<struct layer> storage_type;
63 typedef std::vector<unsigned int> layers_type;
69 optional<int> get_layer_id(int surface_id);
70 optional<genivi::rect> get_layer_rect(int surface_id);
71 layers_type::size_type get_layers_count() const {
72 return this->layers.size();
78 struct result<struct layer_map> to_layer_map(nlohmann::json const &j);
82 #endif // TMCAGLWM_LAYERS_H