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annotate dep/animia/src/win/x11.cc @ 236:4d461ef7d424

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HUGE UPDATE: convert build system to autotools why? because cmake sucks :)
author Paper <mrpapersonic@gmail.com>
date Fri, 19 Jan 2024 00:24:02 -0500
parents 593108b3d555
children
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1 #include "animia/win/x11.h"
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2 #include "animia/win.h"
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3 #include "animia.h"
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4
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5 #include <xcb/xcb.h>
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6 #include <xcb/res.h>
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7
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8 #include <cstdint>
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9 #include <climits>
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10 #include <cstring>
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11 #include <string>
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12 #include <set>
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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);
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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));
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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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diff changeset
135
4d461ef7d424 HUGE UPDATE: convert build system to autotools
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parents: 235
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136 if (reply->format || reply->type || reply->length) {
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diff changeset
137 result.insert(windows[i]);
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diff changeset
138 free(reply);
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
139 continue;
8ccf0302afb1 dep/animia: convert xlib code to xcb
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diff changeset
140 }
166
54c5d80a737e dep/animia: add libutil method
paper@DavesDouble.local
parents: 158
diff changeset
141
236
4d461ef7d424 HUGE UPDATE: convert build system to autotools
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142 free(reply);
213
58e81b42a0d6 dep/animia: win/x11: find toplevels WAY faster
Paper <mrpapersonic@gmail.com>
parents: 199
diff changeset
143 }
58e81b42a0d6 dep/animia: win/x11: find toplevels WAY faster
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diff changeset
144
236
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parents: 235
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145 if (WalkWindows(connection, windows, result))
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146 continue;
166
54c5d80a737e dep/animia: add libutil method
paper@DavesDouble.local
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diff changeset
147 }
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148
234
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149 return false;
166
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paper@DavesDouble.local
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150 }
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151
198
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152 bool EnumerateWindows(window_proc_t window_proc) {
158
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parents: 157
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153 if (!window_proc)
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154 return false;
156
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155
234
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156 xcb_connection_t* connection = ::xcb_connect(NULL, NULL);
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157 if (!connection)
166
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paper@DavesDouble.local
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158 return false;
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paper@DavesDouble.local
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diff changeset
159
236
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160 std::set<xcb_window_t> windows;
234
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161 {
236
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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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Paper <mrpapersonic@gmail.com>
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167 }
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
168
236
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parents: 235
diff changeset
169
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Paper <mrpapersonic@gmail.com>
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170 if (!GetAllTopLevelWindowsEWMH(connection, roots, windows))
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Paper <mrpapersonic@gmail.com>
parents: 235
diff changeset
171 WalkWindows(connection, roots, windows);
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Paper <mrpapersonic@gmail.com>
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diff changeset
172 }
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
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diff changeset
173
8ccf0302afb1 dep/animia: convert xlib code to xcb
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174 std::vector<xcb_get_property_cookie_t> class_property_cookies;
8ccf0302afb1 dep/animia: convert xlib code to xcb
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175 std::vector<xcb_get_property_cookie_t> name_property_cookies;
236
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diff changeset
176 std::vector<xcb_get_property_cookie_t> pid_property_cookies;
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
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diff changeset
177 class_property_cookies.reserve(windows.size());
8ccf0302afb1 dep/animia: convert xlib code to xcb
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diff changeset
178 name_property_cookies.reserve(windows.size());
8ccf0302afb1 dep/animia: convert xlib code to xcb
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diff changeset
179 pid_property_cookies.reserve(windows.size());
156
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
180
166
54c5d80a737e dep/animia: add libutil method
paper@DavesDouble.local
parents: 158
diff changeset
181 for (const auto& window : windows) {
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
182 class_property_cookies.push_back(::xcb_get_property(connection, 0, window, XCB_ATOM_WM_CLASS, XCB_ATOM_STRING, 0L, 2048L));
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
183 name_property_cookies.push_back(::xcb_get_property(connection, 0, window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 0L, UINT_MAX));
236
4d461ef7d424 HUGE UPDATE: convert build system to autotools
Paper <mrpapersonic@gmail.com>
parents: 235
diff changeset
184 pid_property_cookies.push_back(::xcb_get_property(connection, 0, window, XCB_ATOM_WM_NAME, XCB_ATOM_CARDINAL, 0L, 1L));
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
185 }
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
186
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
187 size_t i = 0;
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
188 for (const auto& window : windows) {
8ccf0302afb1 dep/animia: convert xlib code to xcb
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diff changeset
189 Window win = {0};
158
80d6b28eb29f dep/animia: fix most X11 stuff
Paper <mrpapersonic@gmail.com>
parents: 157
diff changeset
190 win.id = window;
157
18c8eb5d1edc x11: make it work
Paper <mrpapersonic@gmail.com>
parents: 156
diff changeset
191 {
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
192 xcb_get_property_reply_t* reply = ::xcb_get_property_reply(connection, class_property_cookies.at(i), NULL);
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
193 if (reply && reply->format == 8) {
8ccf0302afb1 dep/animia: convert xlib code to xcb
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diff changeset
194 const char* data = reinterpret_cast<char*>(::xcb_get_property_value(reply));
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
195 const int data_len = ::xcb_get_property_value_length(reply);
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
196
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
197 int instance_len = str_nlen(data, data_len);
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
198 const char* class_name = data + instance_len + 1;
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
199
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
200 win.class_name = std::string(class_name, str_nlen(class_name, data_len - (instance_len + 1)));
157
18c8eb5d1edc x11: make it work
Paper <mrpapersonic@gmail.com>
parents: 156
diff changeset
201 }
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
202 free(reply);
157
18c8eb5d1edc x11: make it work
Paper <mrpapersonic@gmail.com>
parents: 156
diff changeset
203 }
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
204 {
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
205 xcb_get_property_reply_t* reply = ::xcb_get_property_reply(connection, name_property_cookies.at(i), NULL);
236
4d461ef7d424 HUGE UPDATE: convert build system to autotools
Paper <mrpapersonic@gmail.com>
parents: 235
diff changeset
206 if (reply) {
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
207 const char* data = reinterpret_cast<char*>(::xcb_get_property_value(reply));
8ccf0302afb1 dep/animia: convert xlib code to xcb
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parents: 214
diff changeset
208 int len = ::xcb_get_property_value_length(reply);
156
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
209
236
4d461ef7d424 HUGE UPDATE: convert build system to autotools
Paper <mrpapersonic@gmail.com>
parents: 235
diff changeset
210 win.text = std::string((char*)data, len);
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
211 }
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
212 free(reply);
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
213 }
235
593108b3d555 dep/animia: x11: finalize xcb conversion
Paper <paper@paper.us.eu.org>
parents: 234
diff changeset
214 Process proc = {0};
593108b3d555 dep/animia: x11: finalize xcb conversion
Paper <paper@paper.us.eu.org>
parents: 234
diff changeset
215 {
236
4d461ef7d424 HUGE UPDATE: convert build system to autotools
Paper <mrpapersonic@gmail.com>
parents: 235
diff changeset
216 xcb_get_property_reply_t* reply = ::xcb_get_property_reply(connection, pid_property_cookies.at(i), NULL);
4d461ef7d424 HUGE UPDATE: convert build system to autotools
Paper <mrpapersonic@gmail.com>
parents: 235
diff changeset
217 if (reply)
4d461ef7d424 HUGE UPDATE: convert build system to autotools
Paper <mrpapersonic@gmail.com>
parents: 235
diff changeset
218 proc.pid = *reinterpret_cast<uint32_t*>(::xcb_get_property_value(reply));
235
593108b3d555 dep/animia: x11: finalize xcb conversion
Paper <paper@paper.us.eu.org>
parents: 234
diff changeset
219
593108b3d555 dep/animia: x11: finalize xcb conversion
Paper <paper@paper.us.eu.org>
parents: 234
diff changeset
220 free(reply);
593108b3d555 dep/animia: x11: finalize xcb conversion
Paper <paper@paper.us.eu.org>
parents: 234
diff changeset
221 }
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
222 if (!window_proc(proc, win)) {
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
223 ::xcb_disconnect(connection);
156
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
224 return false;
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
225 }
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
226 i++;
156
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
227 }
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
228
234
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
229 ::xcb_disconnect(connection);
8ccf0302afb1 dep/animia: convert xlib code to xcb
Paper <mrpapersonic@gmail.com>
parents: 214
diff changeset
230
156
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
231 return true;
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
232 }
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
233
cdf79282d647 dep/animia: add VERY early x11 window stuff
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
234 }