Mercurial > minori
annotate dep/animia/src/win/x11.cc @ 237:a7d0d543b334
*: make OS X builds succeed
new script: deploy_build.sh, creates the app bundle
author | Paper <paper@paper.us.eu.org> |
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date | Fri, 19 Jan 2024 11:14:44 -0500 |
parents | 4d461ef7d424 |
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157 | 1 #include "animia/win/x11.h" |
2 #include "animia/win.h" | |
3 #include "animia.h" | |
4 | |
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5 #include <xcb/xcb.h> |
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6 #include <xcb/res.h> |
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7 |
157 | 8 #include <cstdint> |
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9 #include <climits> |
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10 #include <cstring> |
157 | 11 #include <string> |
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12 #include <set> |
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13 |
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14 #include <chrono> |
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15 |
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16 #include <iostream> |
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17 |
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18 static size_t str_nlen(const char* s, size_t len) { |
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19 size_t i = 0; |
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20 for (; i < len && s[i]; i++); |
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21 return i; |
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22 } |
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23 |
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24 namespace animia::internal::x11 { |
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25 |
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26 static void GetWindowPID(xcb_connection_t* connection, const std::vector<xcb_window_t>& windows, std::unordered_map<xcb_window_t, pid_t>& result) { |
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27 std::vector<xcb_res_query_client_ids_cookie_t> cookies; |
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28 cookies.reserve(windows.size()); |
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29 |
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30 for (const auto& window : windows) { |
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31 xcb_res_client_id_spec_t spec = { |
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32 .client = window, |
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33 .mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID |
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34 }; |
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35 |
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36 cookies.push_back(::xcb_res_query_client_ids(connection, 1, &spec)); |
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37 } |
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38 |
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39 for (size_t i = 0; i < cookies.size(); i++) { |
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40 xcb_res_query_client_ids_reply_t* reply = ::xcb_res_query_client_ids_reply(connection, cookies.at(i), NULL); |
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41 |
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42 xcb_res_client_id_value_iterator_t it = xcb_res_query_client_ids_ids_iterator(reply); |
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43 for (; it.rem; xcb_res_client_id_value_next(&it)) { |
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44 if (it.data->spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) { |
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45 result[windows.at(i)] = *::xcb_res_client_id_value_value(it.data); |
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46 continue; |
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47 } |
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48 } |
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49 } |
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50 } |
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51 |
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52 static bool GetAllTopLevelWindowsEWMH(xcb_connection_t* connection, const std::vector<xcb_window_t>& roots, std::set<xcb_window_t>& result) { |
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53 const xcb_atom_t Atom__NET_CLIENT_LIST = [connection]{ |
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54 static constexpr std::string_view name = "_NET_CLIENT_LIST"; |
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55 xcb_intern_atom_cookie_t cookie = ::xcb_intern_atom(connection, true, name.size(), name.data()); |
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56 xcb_intern_atom_reply_t* reply = ::xcb_intern_atom_reply(connection, cookie, NULL); |
166 | 57 |
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58 xcb_atom_t atom = reply->atom; |
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59 free(reply); |
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60 return atom; |
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61 }(); |
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62 if (Atom__NET_CLIENT_LIST == XCB_ATOM_NONE) |
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63 return false; // BTFO |
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64 |
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65 bool success = false; |
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66 |
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67 std::vector<xcb_get_property_cookie_t> cookies; |
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68 cookies.reserve(roots.size()); |
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69 |
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70 for (const auto& root : roots) |
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71 cookies.push_back(::xcb_get_property(connection, 0, root, Atom__NET_CLIENT_LIST, XCB_ATOM_ANY, 0L, UINT_MAX)); |
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72 |
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73 for (const auto& cookie : cookies) { |
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74 xcb_get_property_reply_t* reply = ::xcb_get_property_reply(connection, cookie, NULL); |
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75 if (reply) { |
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76 xcb_window_t* value = reinterpret_cast<xcb_window_t*>(::xcb_get_property_value(reply)); |
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77 int len = ::xcb_get_property_value_length(reply); |
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78 |
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79 for (size_t i = 0; i < len; i++) |
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80 result.insert(value[i]); |
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81 success = true; |
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82 } |
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83 free(reply); |
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84 } |
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85 |
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86 return success; |
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87 } |
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88 |
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89 /* I have no idea why this works. */ |
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90 static bool WalkWindows(xcb_connection_t* connection, const std::vector<xcb_window_t>& roots, std::set<xcb_window_t>& result) { |
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91 /* move this somewhere */ |
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92 xcb_atom_t Atom_WM_STATE = [connection]{ |
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93 static constexpr std::string_view name = "WM_STATE"; |
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94 xcb_intern_atom_cookie_t cookie = ::xcb_intern_atom(connection, true, name.size(), name.data()); |
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95 xcb_intern_atom_reply_t* reply = ::xcb_intern_atom_reply(connection, cookie, NULL); |
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96 |
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97 xcb_atom_t atom = reply->atom; |
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98 free(reply); |
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99 return atom; |
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100 }(); |
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101 if (Atom_WM_STATE == XCB_ATOM_NONE) |
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102 return false; |
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103 |
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104 std::vector<xcb_query_tree_cookie_t> cookies; |
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105 cookies.reserve(roots.size()); |
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106 |
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107 for (const auto& root : roots) |
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108 cookies.push_back(::xcb_query_tree(connection, root)); |
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109 |
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110 for (const auto& cookie : cookies) { |
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111 xcb_query_tree_reply_t* reply = ::xcb_query_tree_reply(connection, cookie, NULL); |
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112 |
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113 std::vector<xcb_window_t> windows = [reply]{ |
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114 xcb_window_t* windows = ::xcb_query_tree_children(reply); |
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115 int len = ::xcb_query_tree_children_length(reply); |
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116 |
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117 std::vector<xcb_window_t> w; |
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118 w.reserve(len); |
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119 |
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120 for (int i = 0; i < len; i++) |
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121 w.push_back(windows[i]); |
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122 |
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123 return w; |
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124 }(); |
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125 |
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126 std::vector<xcb_get_property_cookie_t> state_property_cookies; |
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127 state_property_cookies.reserve(windows.size()); |
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128 |
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129 for (int i = 0; i < windows.size(); i++) |
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130 state_property_cookies.push_back(::xcb_get_property(connection, 0, windows[i], Atom_WM_STATE, Atom_WM_STATE, 0, 0)); |
166 | 131 |
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132 for (size_t i = 0; i < state_property_cookies.size(); i++) { |
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133 xcb_generic_error_t* err = NULL; |
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134 xcb_get_property_reply_t* reply = ::xcb_get_property_reply(connection, state_property_cookies.at(i), &err); |
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135 |
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136 if (reply->format || reply->type || reply->length) { |
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137 result.insert(windows[i]); |
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138 free(reply); |
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139 continue; |
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140 } |
166 | 141 |
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142 free(reply); |
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143 } |
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144 |
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145 if (WalkWindows(connection, windows, result)) |
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146 continue; |
166 | 147 } |
148 | |
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149 return false; |
166 | 150 } |
151 | |
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152 bool EnumerateWindows(window_proc_t window_proc) { |
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153 if (!window_proc) |
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154 return false; |
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155 |
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156 xcb_connection_t* connection = ::xcb_connect(NULL, NULL); |
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157 if (!connection) |
166 | 158 return false; |
159 | |
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160 std::set<xcb_window_t> windows; |
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161 { |
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162 std::vector<xcb_window_t> roots; |
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163 { |
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164 xcb_screen_iterator_t iter = ::xcb_setup_roots_iterator(xcb_get_setup(connection)); |
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165 for (; iter.rem; ::xcb_screen_next(&iter)) |
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166 roots.push_back(iter.data->root); |
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167 } |
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168 |
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169 |
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170 if (!GetAllTopLevelWindowsEWMH(connection, roots, windows)) |
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171 WalkWindows(connection, roots, windows); |
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172 } |
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173 |
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174 std::vector<xcb_get_property_cookie_t> class_property_cookies; |
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175 std::vector<xcb_get_property_cookie_t> name_property_cookies; |
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176 std::vector<xcb_get_property_cookie_t> pid_property_cookies; |
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177 class_property_cookies.reserve(windows.size()); |
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178 name_property_cookies.reserve(windows.size()); |
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179 pid_property_cookies.reserve(windows.size()); |
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180 |
166 | 181 for (const auto& window : windows) { |
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182 class_property_cookies.push_back(::xcb_get_property(connection, 0, window, XCB_ATOM_WM_CLASS, XCB_ATOM_STRING, 0L, 2048L)); |
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183 name_property_cookies.push_back(::xcb_get_property(connection, 0, window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 0L, UINT_MAX)); |
236
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184 pid_property_cookies.push_back(::xcb_get_property(connection, 0, window, XCB_ATOM_WM_NAME, XCB_ATOM_CARDINAL, 0L, 1L)); |
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185 } |
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186 |
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187 size_t i = 0; |
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188 for (const auto& window : windows) { |
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189 Window win = {0}; |
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190 win.id = window; |
157 | 191 { |
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192 xcb_get_property_reply_t* reply = ::xcb_get_property_reply(connection, class_property_cookies.at(i), NULL); |
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193 if (reply && reply->format == 8) { |
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194 const char* data = reinterpret_cast<char*>(::xcb_get_property_value(reply)); |
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195 const int data_len = ::xcb_get_property_value_length(reply); |
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196 |
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197 int instance_len = str_nlen(data, data_len); |
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198 const char* class_name = data + instance_len + 1; |
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199 |
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200 win.class_name = std::string(class_name, str_nlen(class_name, data_len - (instance_len + 1))); |
157 | 201 } |
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202 free(reply); |
157 | 203 } |
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204 { |
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205 xcb_get_property_reply_t* reply = ::xcb_get_property_reply(connection, name_property_cookies.at(i), NULL); |
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206 if (reply) { |
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207 const char* data = reinterpret_cast<char*>(::xcb_get_property_value(reply)); |
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208 int len = ::xcb_get_property_value_length(reply); |
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209 |
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210 win.text = std::string((char*)data, len); |
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211 } |
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212 free(reply); |
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213 } |
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214 Process proc = {0}; |
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215 { |
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216 xcb_get_property_reply_t* reply = ::xcb_get_property_reply(connection, pid_property_cookies.at(i), NULL); |
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217 if (reply) |
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218 proc.pid = *reinterpret_cast<uint32_t*>(::xcb_get_property_value(reply)); |
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219 |
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220 free(reply); |
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221 } |
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222 if (!window_proc(proc, win)) { |
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223 ::xcb_disconnect(connection); |
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224 return false; |
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225 } |
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226 i++; |
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227 } |
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228 |
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229 ::xcb_disconnect(connection); |
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230 |
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231 return true; |
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232 } |
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233 |
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234 } |