Wayland++  0.2.10
C++ Bindings for Wayland
dump.cpp
1 /*
2  * Copyright (c) 2017-2019, Philipp Kerling
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
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8  * 1. Redistributions of source code must retain the above copyright notice, this
9  * list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
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14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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24  */
25 
31 #include <iostream>
32 
33 #include <wayland-client.hpp>
34 
35 using namespace wayland;
36 
37 // Wayland protocol info dumper
38 class dumper
39 {
40 private:
41  // global objects
42  display_t display;
43  registry_t registry;
44 
45 public:
46  dumper() = default;
47  dumper(const dumper&) = delete;
48  dumper(dumper&&) noexcept = delete;
49  ~dumper() noexcept = default;
50  dumper& operator=(const dumper&) = delete;
51  dumper& operator=(dumper&&) noexcept = delete;
52 
53  void run()
54  {
55  std::vector<output_t> outputs;
56  // retrieve global objects
57  registry = display.get_registry();
58  registry.on_global() = [&] (uint32_t name, const std::string& interface, uint32_t version)
59  {
60  std::cout << "* Global interface " << interface << " (name " << name << " version " << version << ")" << std::endl;
61  if(interface == output_t::interface_name)
62  {
63  outputs.emplace_back();
64  auto& output = outputs.back();
65  registry.bind(name, output, version);
66  }
67  };
68  // Print global information
69  display.roundtrip();
70  std::cout << "------" << std::endl;
71 
72  for(auto& output : outputs)
73  {
74  output.on_geometry() = [&](int32_t x, int32_t y, int32_t physw, int32_t physh, output_subpixel subp, const std::string& make, const std::string& model, const output_transform& transform)
75  {
76  std::cout << "* Output geometry for " << output.get_id() << ":" << std::endl
77  << " Maker: " << make << std::endl
78  << " Model: " << model << std::endl
79  << " X: " << x << std::endl
80  << " Y: " << y << std::endl
81  << " PhysW: " << physw << " mm" << std::endl
82  << " PhysH: " << physh << " mm" << std::endl
83  << " Subpix: " << static_cast<unsigned int>(subp) << std::endl
84  << " Transf: " << static_cast<unsigned int>(transform) << std::endl;
85  };
86  output.on_scale() = [&](int32_t scale)
87  {
88  std::cout << "* Output scale for " << output.get_id() << ": " << scale << std::endl;
89  };
90  output.on_mode() = [&](uint32_t flags, int32_t width, int32_t height, int32_t refresh)
91  {
92  std::cout << "* Output mode for " << output.get_id() << ":" << std::endl
93  << " Width: " << width << std::endl
94  << " Height: " << height << std::endl
95  << " Refresh: " << refresh << " mHz" << std::endl
96  << " Flags: " << flags << std::endl;
97  };
98  }
99 
100  // Print output information
101  display.roundtrip();
102 
103  // Release outputs
104  for(auto &output : outputs)
105  output.release();
106  display.roundtrip();
107  }
108 };
109 
110 int main()
111 {
112  dumper d;
113  d.run();
114  return 0;
115 }
Represents a connection to the compositor and acts as a proxy to the display singleton object.
int roundtrip()
Block until all pending request are processed by the server.
registry_t get_registry()
get global registry object
global registry object
std::function< void(uint32_t, std::string, uint32_t)> & on_global()
announce global object
proxy_t bind(uint32_t name, proxy_t &interface, uint32_t version)
bind an object to the display
transform from framebuffer to output