1 | /* |
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2 | * neercs console-based window manager |
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3 | * Copyright (c) 2006 Sam Hocevar <sam@zoy.org> |
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4 | * 2008 Jean-Yves Lamoureux <jylam@lnxscene.org> |
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5 | * All Rights Reserved |
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6 | * |
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7 | * $Id: main.c 2471 2008-06-20 14:08:20Z jylam $ |
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8 | * |
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9 | * This program is free software. It comes without any warranty, to |
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10 | * the extent permitted by applicable law. You can redistribute it |
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11 | * and/or modify it under the terms of the Do What The Fuck You Want |
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12 | * To Public License, Version 2, as published by Sam Hocevar. See |
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13 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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14 | */ |
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15 | |
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16 | #include "config.h" |
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17 | |
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18 | #include <stdio.h> |
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19 | #include <string.h> |
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20 | #include <stdlib.h> |
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21 | #include <unistd.h> |
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22 | #include <fcntl.h> |
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23 | #include <signal.h> |
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24 | #include <sys/ioctl.h> |
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25 | #include <sys/types.h> |
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26 | #include <sys/wait.h> |
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27 | #include <sys/time.h> |
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28 | #include <time.h> |
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29 | |
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30 | #if defined HAVE_PTY_H |
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31 | # include <pty.h> /* for openpty and forkpty */ |
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32 | #else |
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33 | # include <util.h> /* for OS X */ |
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34 | #endif |
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35 | #if !defined HAVE_GETOPT_LONG |
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36 | # include "mygetopt.h" |
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37 | #elif defined HAVE_GETOPT_H |
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38 | # include <getopt.h> |
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39 | #endif |
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40 | #if defined HAVE_GETOPT_LONG |
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41 | # define mygetopt getopt_long |
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42 | # define myoptind optind |
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43 | # define myoptarg optarg |
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44 | # define myoption option |
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45 | #endif |
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46 | #include <errno.h> |
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47 | #include <cucul.h> |
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48 | #include <caca.h> |
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49 | |
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50 | #include "neercs.h" |
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51 | |
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52 | |
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53 | void version(void) |
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54 | { |
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55 | printf("%s\n", PACKAGE_STRING); |
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56 | printf("Copyright (C) 2006, 2008 Sam Hocevar <sam@zoy.org>\n"); |
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57 | printf(" Jean-Yves Lamoureux <jylam@lnxscene.org>\n\n"); |
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58 | printf("This is free software. You may redistribute copies of it under the\n"); |
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59 | printf("terms of the Do What The Fuck You Want To Public License, Version 2\n"); |
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60 | printf("<http://sam.zoy.org/wtfpl/>.\n"); |
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61 | printf("There is NO WARRANTY, to the extent permitted by law.\n"); |
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62 | printf("\n"); |
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63 | printf("For more informations, visit http://libcaca.zoy.org/wiki/neercs\n"); |
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64 | } |
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65 | |
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66 | void usage(int argc, char **argv) |
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67 | { |
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68 | printf("%s\n", PACKAGE_STRING); |
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69 | printf("Usage : %s [command1] [command2] ... [commandN]\n", argv[0]); |
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70 | printf("Example : %s zsh top \n\n", argv[0]); |
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71 | printf("Options :\n"); |
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72 | printf("\t--pid\t\t-P <pid>\t\tattach <pid>\n"); |
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73 | printf("\t--version\t-v \t\t\tdisplay version and exit\n"); |
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74 | printf("\t--help\t\t-h \t\t\tthis help\n"); |
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75 | } |
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76 | |
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77 | int main(int argc, char **argv) |
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78 | { |
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79 | static cucul_canvas_t *cv; |
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80 | static caca_display_t *dp; |
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81 | struct screen_list *screen_list = NULL; |
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82 | struct recurrent_list *recurrent_list = NULL; |
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83 | char *default_shell = NULL; |
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84 | int i, w, h, args, s=0; |
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85 | int eof = 0, refresh = 1, command = 0; |
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86 | long long unsigned int last_key_time = 0; |
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87 | int lock_offset = 0; |
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88 | |
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89 | |
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90 | default_shell = getenv("SHELL"); |
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91 | |
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92 | args = argc -1; |
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93 | if(default_shell == NULL && args <= 0) |
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94 | { |
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95 | fprintf(stderr, "Environment variable SHELL not set and no arguments given. kthxbye.\n"); |
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96 | return -1; |
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97 | } |
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98 | |
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99 | if(args==0) |
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100 | args = 1; |
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101 | |
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102 | /* Create main canvas and associated caca window */ |
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103 | cv = cucul_create_canvas(0, 0); |
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104 | dp = caca_create_display(cv); |
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105 | if(!dp) |
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106 | return 1; |
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107 | caca_set_cursor(dp, 1); |
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108 | |
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109 | w = cucul_get_canvas_width(cv); |
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110 | h = cucul_get_canvas_height(cv); |
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111 | |
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112 | |
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113 | /* Create screen list */ |
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114 | screen_list = (struct screen_list*) malloc(sizeof(struct screen_list)); |
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115 | if(!screen_list) |
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116 | { |
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117 | fprintf(stderr, "Can't allocate memory at %s:%d\n", __FUNCTION__, __LINE__); |
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118 | return -1; |
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119 | } |
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120 | screen_list->screen = (struct screen**) malloc(sizeof(sizeof(struct screen*))); |
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121 | if(!screen_list->screen) |
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122 | { |
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123 | fprintf(stderr, "Can't allocate memory at %s:%d\n", __FUNCTION__, __LINE__); |
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124 | return -1; |
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125 | } |
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126 | |
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127 | |
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128 | screen_list->count = 0; |
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129 | screen_list->width = cucul_get_canvas_width(cv); |
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130 | screen_list->mini = 1; |
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131 | screen_list->help = 0; |
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132 | screen_list->status = 1; |
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133 | screen_list->height = cucul_get_canvas_height(cv) - ((screen_list->mini*6) + (screen_list->status)); |
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134 | screen_list->wm_type = WM_VSPLIT; |
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135 | screen_list->in_bell = 0; |
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136 | screen_list->pty = screen_list->prevpty = 0; |
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137 | screen_list->dont_update_coords = 0; |
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138 | screen_list->screensaver_timeout = (60) * 1000000; |
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139 | screen_list->screensaver_data = NULL; |
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140 | screen_list->in_screensaver = 0; |
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141 | screen_list->locked = 0; |
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142 | screen_list->attached = 1; |
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143 | memset(screen_list->lockmsg, 0, 1024); |
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144 | memset(screen_list->lockpass, 0, 1024); |
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145 | |
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146 | |
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147 | if(!read_configuration_file("neercs.ini", screen_list)) |
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148 | { |
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149 | |
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150 | if(!read_configuration_file("~/neercs.ini", screen_list)) |
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151 | { |
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152 | if(!read_configuration_file("/etc/neercs.ini", screen_list)) |
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153 | { |
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154 | printf("Failed to read configuration file\n"); |
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155 | } |
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156 | } |
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157 | } |
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158 | |
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159 | recurrent_list = (struct recurrent_list*) malloc(sizeof(struct recurrent_list)); |
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160 | recurrent_list->recurrent = (struct recurrent**) malloc(sizeof(struct recurrent*)); |
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161 | if(!recurrent_list->recurrent) |
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162 | { |
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163 | fprintf(stderr, "Can't allocate memory at %s:%d\n", __FUNCTION__, __LINE__); |
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164 | return -1; |
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165 | } |
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166 | recurrent_list->count = 0; |
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167 | |
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168 | for(;;) |
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169 | { |
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170 | int option_index = 0; |
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171 | static struct myoption long_options[] = |
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172 | { |
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173 | #if defined USE_GRAB |
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174 | { "pid", 1, NULL, 'P' }, |
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175 | #endif |
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176 | { "help", 0, NULL, 'h' }, |
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177 | { "version", 0, NULL, 'v' }, |
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178 | }; |
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179 | #if defined USE_GRAB |
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180 | int c = mygetopt(argc, argv, "P:hv", long_options, &option_index); |
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181 | #else |
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182 | int c = mygetopt(argc, argv, "hv", long_options, &option_index); |
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183 | #endif |
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184 | if(c == -1) |
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185 | break; |
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186 | |
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187 | switch(c) |
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188 | { |
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189 | case 'P': /* --pid */ |
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190 | add_screen(screen_list,create_screen_grab(w, h, atoi(myoptarg))); |
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191 | s+=2; |
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192 | break; |
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193 | case 'h': /* --help */ |
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194 | usage(argc, argv); |
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195 | return 0; |
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196 | break; |
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197 | case 'v': /* --version */ |
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198 | version(); |
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199 | goto end; |
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200 | break; |
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201 | default: |
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202 | fprintf(stderr, "Unknow argument #%d\n", myoptind); |
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203 | return -1; |
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204 | break; |
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205 | } |
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206 | } |
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207 | |
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208 | |
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209 | if(s == 0 && argc<2) |
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210 | { |
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211 | add_screen(screen_list, create_screen(w, h, default_shell)); |
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212 | } |
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213 | |
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214 | /* Launch command line processes */ |
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215 | for(i=0; i<(argc-1) - s; i++) |
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216 | { |
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217 | add_screen(screen_list, create_screen(w, h, argv[i+s+1])); |
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218 | } |
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219 | |
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220 | |
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221 | /* Windows are in a temporary state, resize them to the right dimensions */ |
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222 | update_windows_props(cv, screen_list); |
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223 | |
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224 | last_key_time = get_ms(); |
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225 | |
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226 | /* Refresh */ |
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227 | caca_refresh_display(dp); |
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228 | |
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229 | for(;;) |
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230 | { |
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231 | caca_event_t ev; |
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232 | int ret = 0; |
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233 | |
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234 | refresh |= update_screens_contents(screen_list); |
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235 | |
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236 | /* No more screens, exit */ |
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237 | if(!screen_list->count) break; |
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238 | |
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239 | /* Update each screen canvas */ |
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240 | refresh |= update_terms(screen_list); |
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241 | |
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242 | /* Get events, if any */ |
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243 | if(screen_list->attached) |
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244 | ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, 0); |
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245 | else |
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246 | sleep(1); |
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247 | |
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248 | if(ret && (caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS)) |
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249 | { |
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250 | unsigned int c = caca_get_event_key_ch(&ev); |
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251 | if(command) |
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252 | { |
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253 | command = 0; |
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254 | |
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255 | switch(c) |
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256 | { |
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257 | case 0x01: //CACA_KEY_CTRL_A: |
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258 | screen_list->pty ^= screen_list->prevpty; |
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259 | screen_list->prevpty ^= screen_list->pty; |
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260 | screen_list->pty ^= screen_list->prevpty; |
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261 | refresh = 1; |
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262 | break; |
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263 | case 'm': |
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264 | case 0x0d: //CACA_KEY_CTRL_M: |
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265 | screen_list->mini = !screen_list->mini; |
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266 | refresh = 1; |
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267 | break; |
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268 | case 'n': |
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269 | case ' ': |
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270 | case '\0': |
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271 | case 0x0e: //CACA_KEY_CTRL_N: |
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272 | screen_list->prevpty = screen_list->pty; |
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273 | screen_list->pty = (screen_list->pty + 1) % screen_list->count; |
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274 | refresh = 1; |
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275 | break; |
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276 | case 'p': |
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277 | case 0x10: //CACA_KEY_CTRL_P: |
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278 | screen_list->prevpty = screen_list->pty; |
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279 | screen_list->pty = (screen_list->pty + screen_list->count - 1) % screen_list->count; |
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280 | refresh = 1; |
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281 | break; |
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282 | case 'c': |
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283 | case 0x03: //CACA_KEY_CTRL_C: |
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284 | screen_list->prevpty = screen_list->pty; |
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285 | screen_list->pty = |
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286 | add_screen(screen_list, create_screen(w, h, default_shell)); |
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287 | refresh = 1; |
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288 | break; |
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289 | case 'w': |
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290 | case 0x17: //CACA_KEY_CTRL_W: |
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291 | screen_list->wm_type = (screen_list->wm_type==(WM_MAX-1)? |
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292 | screen_list->wm_type=0: |
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293 | screen_list->wm_type+1); |
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294 | refresh = 1; |
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295 | break; |
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296 | case 0x0b: //CACA_KEY_CTRL_K: |
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297 | add_recurrent(recurrent_list, close_screen_recurrent, cv); |
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298 | refresh = 1; |
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299 | break; |
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300 | case 'x': |
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301 | case 0x18: //CACA_KEY_CTRL_X: |
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302 | memset(screen_list->lockpass, 0, 1024); |
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303 | screen_list->locked = 1; |
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304 | lock_offset = 0; |
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305 | refresh = 1; |
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306 | break; |
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307 | case 'h': |
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308 | case 0x08: //CACA_KEY_CTRL_H: |
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309 | screen_list->help = !screen_list->help; |
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310 | refresh = 1; |
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311 | break; |
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312 | case 'd': |
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313 | case 0x04: //CACA_KEY_CTRL_D: |
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314 | detach(screen_list, dp); |
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315 | break; |
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316 | } |
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317 | } |
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318 | else |
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319 | { |
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320 | |
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321 | last_key_time = get_ms(); |
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322 | caca_set_cursor(dp, 1); |
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323 | |
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324 | if(screen_list->in_screensaver) |
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325 | { |
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326 | screensaver_kill(cv, dp, screen_list); |
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327 | screen_list->in_screensaver = 0; |
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328 | refresh = 1; |
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329 | continue; |
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330 | } |
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331 | else if(screen_list->locked) |
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332 | { |
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333 | if(c==0x08) |
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334 | { |
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335 | if(lock_offset) |
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336 | { |
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337 | screen_list->lockpass[lock_offset-1] = 0; |
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338 | lock_offset--; |
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339 | } |
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340 | } |
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341 | else if(c==0x0d) // RETURN |
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342 | { |
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343 | memset(screen_list->lockmsg, 0, 1024); |
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344 | if(validate_lock(screen_list, getenv("USER"), screen_list->lockpass)) |
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345 | { |
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346 | memset(screen_list->lockpass, 0, 1024); |
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347 | screen_list->locked = 0; |
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348 | lock_offset = 0; |
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349 | refresh = 1; |
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350 | } |
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351 | else |
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352 | { |
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353 | memset(screen_list->lockpass, 0, 1024); |
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354 | lock_offset = 0; |
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355 | refresh = 1; |
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356 | } |
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357 | } |
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358 | else |
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359 | { |
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360 | if(lock_offset < 1023) |
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361 | { |
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362 | screen_list->lockpass[lock_offset++] = c; |
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363 | screen_list->lockpass[lock_offset] = 0; |
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364 | } |
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365 | } |
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366 | } |
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367 | else |
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368 | { |
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369 | switch(c) |
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370 | { |
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371 | case 0x01: //CACA_KEY_CTRL_A: |
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372 | command = 1; break; |
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373 | case CACA_KEY_UP: |
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374 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[A", 3); break; |
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375 | case CACA_KEY_DOWN: |
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376 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[B", 3); break; |
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377 | case CACA_KEY_RIGHT: |
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378 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[C", 3); break; |
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379 | case CACA_KEY_LEFT: |
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380 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[D", 3); break; |
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381 | case CACA_KEY_PAGEUP: |
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382 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[5~", 4); break; |
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383 | case CACA_KEY_PAGEDOWN: |
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384 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[6~", 4); break; |
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385 | case CACA_KEY_HOME: |
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386 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[1~", 4); break; |
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387 | case CACA_KEY_INSERT: |
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388 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[2~", 4); break; |
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389 | case CACA_KEY_DELETE: |
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390 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[3~", 4); break; |
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391 | case CACA_KEY_END: |
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392 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[4~", 4); break; |
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393 | case CACA_KEY_F1: |
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394 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[11~", 5); break; |
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395 | case CACA_KEY_F2: |
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396 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[12~", 5); break; |
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397 | case CACA_KEY_F3: |
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398 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[13~", 5); break; |
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399 | case CACA_KEY_F4: |
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400 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[14~", 5); break; |
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401 | case CACA_KEY_F5: |
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402 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[15~", 5); break; |
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403 | case CACA_KEY_F6: |
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404 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[16~", 5); break; |
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405 | case CACA_KEY_F7: |
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406 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[17~", 5); break; |
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407 | case CACA_KEY_F8: |
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408 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[18~", 5); break; |
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409 | case CACA_KEY_F9: |
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410 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[19~", 5); break; |
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411 | case CACA_KEY_F10: |
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412 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[20~", 5); break; |
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413 | case CACA_KEY_F11: |
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414 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[21~", 5); break; |
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415 | case CACA_KEY_F12: |
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416 | write(screen_list->screen[screen_list->pty]->fd, "\x1b[22~", 5); break; |
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417 | |
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418 | case CACA_KEY_ESCAPE: |
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419 | if(screen_list->help) |
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420 | { |
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421 | screen_list->help = 0; |
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422 | refresh = 1; |
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423 | break; |
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424 | } |
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425 | default: |
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426 | write(screen_list->screen[screen_list->pty]->fd, &c, 1); break; |
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427 | } |
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428 | } |
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429 | } |
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430 | } |
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431 | else if(ret && (caca_get_event_type(&ev) & CACA_EVENT_RESIZE)) |
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432 | { |
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433 | update_windows_props(cv, screen_list); |
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434 | cucul_clear_canvas(cv); |
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435 | refresh = 1; |
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436 | } |
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437 | else if(ret && (caca_get_event_type(&ev) & CACA_EVENT_QUIT)) |
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438 | { |
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439 | break; |
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440 | } |
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441 | |
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442 | /* Recurrent functions */ |
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443 | for(i=0; i<recurrent_list->count; i++) |
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444 | { |
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445 | if(recurrent_list->recurrent[i]->function) |
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446 | { |
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447 | refresh |= recurrent_list->recurrent[i]->function(screen_list, |
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448 | recurrent_list->recurrent[i], |
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449 | recurrent_list->recurrent[i]->user, |
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450 | get_ms()); |
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451 | } |
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452 | } |
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453 | /* Delete recurrent functions */ |
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454 | for(i=0; i<recurrent_list->count; i++) |
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455 | { |
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456 | if(recurrent_list->recurrent[i]->kill_me) |
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457 | { |
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458 | remove_recurrent(recurrent_list, i); |
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459 | i = 0; |
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460 | } |
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461 | } |
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462 | |
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463 | /* Resfresh screen */ |
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464 | |
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465 | if(!screen_list->attached) |
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466 | { |
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467 | /* No need to refresh */ |
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468 | } |
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469 | else if(screen_list->locked) |
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470 | { |
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471 | draw_lock(cv, screen_list); |
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472 | caca_refresh_display(dp); |
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473 | } |
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474 | else |
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475 | { |
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476 | |
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477 | if((refresh || screen_list->in_bell) && |
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478 | (get_ms() - last_key_time < screen_list->screensaver_timeout)) |
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479 | { |
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480 | refresh = 0; |
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481 | refresh_screens(cv, dp, screen_list); |
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482 | } |
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483 | |
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484 | if((get_ms() - last_key_time > screen_list->screensaver_timeout)) |
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485 | { |
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486 | if(!screen_list->in_screensaver) |
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487 | screensaver_init(cv, dp, screen_list); |
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488 | screen_list->in_screensaver = 1; |
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489 | |
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490 | caca_set_cursor(dp, 0); |
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491 | draw_screensaver(cv, dp, screen_list); |
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492 | caca_refresh_display(dp); |
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493 | } |
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494 | } |
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495 | |
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496 | eof = 1; |
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497 | for(i=0; i < screen_list->count; i++) |
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498 | if(screen_list->screen[i]->fd >= 0) |
---|
499 | eof = 0; |
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500 | if(eof) |
---|
501 | break; |
---|
502 | } |
---|
503 | |
---|
504 | end: |
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505 | /* Clean up */ |
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506 | caca_free_display(dp); |
---|
507 | cucul_free_canvas(cv); |
---|
508 | for(i = 0; i < screen_list->count; i++) |
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509 | { |
---|
510 | destroy_screen(screen_list->screen[i]); |
---|
511 | } |
---|
512 | |
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513 | free(screen_list->screen); |
---|
514 | |
---|
515 | |
---|
516 | struct option *option = screen_list->config; |
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517 | |
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518 | |
---|
519 | while(option) |
---|
520 | { |
---|
521 | struct option *kromeugnon = option; |
---|
522 | option = option->next; |
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523 | free(kromeugnon->key); |
---|
524 | free(kromeugnon->value); |
---|
525 | free(kromeugnon); |
---|
526 | } |
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527 | |
---|
528 | free(screen_list); |
---|
529 | |
---|
530 | |
---|
531 | for(i=0; i<recurrent_list->count; i++) |
---|
532 | { |
---|
533 | remove_recurrent(recurrent_list, i); |
---|
534 | i = 0; |
---|
535 | } |
---|
536 | |
---|
537 | free(recurrent_list->recurrent); |
---|
538 | free(recurrent_list); |
---|
539 | |
---|
540 | |
---|
541 | return 0; |
---|
542 | } |
---|
543 | |
---|
544 | |
---|
545 | |
---|
546 | long long get_ms(void) |
---|
547 | { |
---|
548 | struct timeval tv; |
---|
549 | gettimeofday(&tv, NULL); |
---|
550 | |
---|
551 | |
---|
552 | return (tv.tv_sec*(1000000) + tv.tv_usec); |
---|
553 | } |
---|