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: neercs.h 4037 2009-11-25 12:36:22Z 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 <stdint.h> |
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17 | |
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18 | #include <caca.h> |
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19 | |
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20 | enum wm_types |
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21 | { |
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22 | WM_FULL, |
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23 | WM_CARD, |
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24 | WM_HSPLIT, |
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25 | WM_VSPLIT, |
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26 | |
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27 | WM_MAX, |
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28 | }; |
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29 | |
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30 | |
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31 | /* ISO-2022 Conversion State */ |
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32 | struct iso2022_conv_state |
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33 | { |
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34 | /* cs = coding system/coding method: */ |
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35 | /* (with standard return) */ |
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36 | /* '@' = ISO-2022, */ |
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37 | /* 'G' = UTF-8 without implementation level, */ |
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38 | /* '8' = UTF-8 (Linux console and imitators), */ |
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39 | /* and many others that are rarely used; */ |
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40 | /* (without standard return) */ |
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41 | /* '/G' = UTF-8 Level 1, */ |
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42 | /* '/H' = UTF-8 Level 2, */ |
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43 | /* '/I' = UTF-8 Level 3, */ |
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44 | /* and many others that are rarely used */ |
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45 | uint32_t cs; |
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46 | /* ctrl8bit = allow 8-bit controls */ |
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47 | uint8_t ctrl8bit; |
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48 | /* cn[0] = C0 control charset (0x00 ... 0x1f): |
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49 | * '@' = ISO 646, |
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50 | * '~' = empty, |
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51 | * and many others that are rarely used */ |
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52 | /* cn[1] = C1 control charset (0x80 ... 0x9f): |
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53 | * 'C' = ISO 6429-1983, |
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54 | * '~' = empty, |
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55 | * and many others that are rarely used */ |
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56 | uint32_t cn[2]; |
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57 | /* glr[0] = GL graphic charset (94-char. 0x21 ... 0x7e, |
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58 | * 94x94-char. 0x21/0x21 ... 0x7e/0x7e), |
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59 | * and |
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60 | * glr[1] = GR graphic charset (94-char. 0xa1 ... 0xfe, |
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61 | * 96-char. 0xa0 ... 0xff, |
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62 | * 94x94-char. 0xa1/0xa1 ... 0xfe/0xfe, |
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63 | * 96x96-char. 0xa0/0xa0 ... 0xff/0xff): |
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64 | * 0 = G0, 1 = G1, 2 = G2, 3 = G3 */ |
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65 | uint8_t glr[2]; |
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66 | /* gn[i] = G0/G1/G2/G3 graphic charset state: |
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67 | * (94-char. sets) |
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68 | * '0' = DEC ACS (VT100 and imitators), |
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69 | * 'B' = US-ASCII, |
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70 | * and many others that are rarely used for e.g. various national ASCII variations; |
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71 | * (96-char. sets) |
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72 | * '.A' = ISO 8859-1 "Latin 1" GR, |
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73 | * '.~' = empty 96-char. set, |
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74 | * and many others that are rarely used for e.g. ISO 8859-n GR; |
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75 | * (double-byte 94x94-charsets) |
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76 | * '$@' = Japanese Character Set ("old JIS") (JIS C 6226:1978), |
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77 | * '$A' = Chinese Character Set (GB 2312), |
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78 | * '$B' = Japanese Character Set (JIS X0208/JIS C 6226:1983), |
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79 | * '$C' = Korean Graphic Character Set (KSC 5601:1987), |
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80 | * '$D' = Supplementary Japanese Graphic Character Set (JIS X0212), |
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81 | * '$E' = CCITT Chinese Set (GB 2312 + GB 8565), |
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82 | * '$G' = CNS 11643 plane 1, |
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83 | * '$H' = CNS 11643 plane 2, |
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84 | * '$I' = CNS 11643 plane 3, |
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85 | * '$J' = CNS 11643 plane 4, |
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86 | * '$K' = CNS 11643 plane 5, |
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87 | * '$L' = CNS 11643 plane 6, |
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88 | * '$M' = CNS 11643 plane 7, |
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89 | * '$O' = JIS X 0213 plane 1, |
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90 | * '$P' = JIS X 0213 plane 2, |
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91 | * '$Q' = JIS X 0213-2004 Plane 1, |
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92 | * and many others that are rarely used for e.g. traditional |
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93 | * ideographic Vietnamese and BlissSymbolics; |
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94 | * (double-byte 96x96-charsets) |
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95 | * none standardized or in use on terminals AFAIK (Mule does use |
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96 | * some internally) |
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97 | */ |
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98 | uint32_t gn[4]; |
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99 | /* ss = single-shift state: 0 = GL, 2 = G2, 3 = G3 */ |
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100 | uint8_t ss; |
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101 | }; |
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102 | |
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103 | struct screen |
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104 | { |
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105 | /* Graphics stuff */ |
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106 | int init; |
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107 | caca_canvas_t *cv; |
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108 | uint32_t clearattr; |
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109 | uint8_t fg, bg; /* ANSI-context fg/bg */ |
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110 | uint8_t dfg, dbg; /* Default fg/bg */ |
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111 | uint8_t bold, blink, italics, negative, concealed, underline; |
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112 | uint8_t faint, strike, proportional; /* unsupported */ |
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113 | struct iso2022_conv_state conv_state; /* charset mess */ |
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114 | |
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115 | /* Other stuff */ |
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116 | int visible; /* Draw canvas and border flag */ |
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117 | int fd; /* pty fd */ |
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118 | unsigned char *buf; /* text buffer */ |
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119 | long int total; /* buffer length */ |
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120 | char *title; /* tty title */ |
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121 | int bell; /* bell occuring */ |
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122 | unsigned int scroll, s1, s2; /* FIXME, ANSI scroll properties */ |
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123 | int pid; /* running program pid */ |
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124 | int changed; /* content was updated */ |
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125 | |
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126 | int x, y; /* Canvas position */ |
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127 | int w, h; /* Canvas size */ |
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128 | |
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129 | int orig_x, orig_y; /* Used by recurrents */ |
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130 | int orig_w, orig_h; /* Used by recurrents */ |
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131 | }; |
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132 | |
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133 | enum socket_type |
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134 | { |
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135 | SOCK_SERVER=0, |
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136 | SOCK_CLIENT=1 |
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137 | }; |
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138 | |
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139 | struct cube_props |
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140 | { |
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141 | int in_switch; |
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142 | int side; |
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143 | long long unsigned int duration; |
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144 | }; |
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145 | |
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146 | struct interpreter_props |
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147 | { |
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148 | /* Input box */ |
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149 | int x, y; |
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150 | int size; |
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151 | char *command; |
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152 | char *output_err; |
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153 | char *output_res; |
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154 | }; |
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155 | |
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156 | struct screen_list |
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157 | { |
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158 | int outfd; /* Debug */ |
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159 | int wm_type; /* Window manager type */ |
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160 | int in_bell; /* Bell occuring in a window */ |
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161 | int was_in_bell; |
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162 | int dont_update_coords; /* Used by recurrents */ |
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163 | int changed; /* Global redraw needed (e.g. adding a screen) */ |
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164 | int delay; /* Minimal time between two refresh (ms) */ |
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165 | int force_refresh; |
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166 | int command; |
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167 | long long unsigned int last_key_time; |
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168 | long long unsigned int last_refresh_time; |
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169 | |
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170 | |
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171 | /* Detaching */ |
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172 | int attached; /* Are we attached to a terminal */ |
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173 | int socket[2]; /* Sockets to write to the server / to the client */ |
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174 | char *socket_path[2]; /* Sockets to write to the server / to the client */ |
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175 | char *socket_dir; /* Where to create the socket */ |
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176 | char *session_name; /* Name of the session */ |
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177 | |
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178 | /* Lock */ |
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179 | int locked; |
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180 | int lock_offset; |
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181 | int lock_on_detach; |
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182 | long long unsigned int autolock_timeout; |
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183 | char lockpass[1024]; |
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184 | char lockmsg[1024]; |
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185 | |
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186 | /* Add-ons*/ |
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187 | int eyecandy; /* Eye Candy */ |
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188 | int mini; /* Thumbnails */ |
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189 | int status; /* Status bar */ |
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190 | int help; /* Help */ |
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191 | int python_command; /* Python command */ |
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192 | int border_size; /* Borders */ |
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193 | int window_list; /* Window list */ |
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194 | int cur_in_list; /* Window list */ |
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195 | char *title; /* Window title */ |
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196 | struct cube_props cube; /* Cube */ |
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197 | long long unsigned int last_switch; /* Cube */ |
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198 | struct interpreter_props interpreter_props; |
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199 | |
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200 | /* ScreenSaver stuff */ |
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201 | long long unsigned int screensaver_timeout; /* Screensaver timeout in us */ |
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202 | int in_screensaver; |
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203 | void *screensaver_data; |
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204 | |
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205 | int pty, prevpty; /* Current and previous window */ |
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206 | int count; /* Window count */ |
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207 | int width, height; /* caca window size */ |
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208 | struct screen **screen; /* Windows */ |
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209 | |
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210 | /* Option parsing and configuration */ |
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211 | struct option *config; |
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212 | char *default_shell; |
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213 | struct recurrent_list *recurrent_list; |
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214 | char *user_path; |
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215 | int *to_grab; |
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216 | char **to_start; |
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217 | int nb_to_grab; |
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218 | int attach, forceattach; |
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219 | int requested_delay; |
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220 | |
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221 | caca_canvas_t *cv; |
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222 | caca_display_t *dp; |
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223 | }; |
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224 | |
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225 | /* Configuration */ |
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226 | struct option |
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227 | { |
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228 | char *key; |
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229 | char *value; |
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230 | |
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231 | struct option *next; |
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232 | }; |
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233 | struct config_line |
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234 | { |
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235 | const char name[32]; |
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236 | int (*set) (const char *argv, struct screen_list * screen_list); |
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237 | char* (*get) (struct screen_list * screen_list); |
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238 | }; |
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239 | |
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240 | /* Recurrents */ |
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241 | struct recurrent |
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242 | { |
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243 | int (*function)(struct screen_list*, struct recurrent* rec, void *user, long long unsigned int t); |
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244 | void *user; |
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245 | long long unsigned int start_time; |
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246 | int kill_me; |
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247 | }; |
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248 | |
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249 | struct recurrent_list |
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250 | { |
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251 | int count; |
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252 | struct recurrent **recurrent; |
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253 | }; |
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254 | |
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255 | |
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256 | |
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257 | void version(void); |
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258 | void usage(int argc, char **argv); |
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259 | |
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260 | int handle_command_line(int argc, char *argv[], struct screen_list *screen_list); |
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261 | |
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262 | struct screen_list *create_screen_list(void); |
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263 | void free_screen_list(struct screen_list *screen_list); |
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264 | |
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265 | int start_client(struct screen_list * screen_list); |
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266 | void mainloop(struct screen_list *screen_list); |
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267 | |
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268 | int create_pty(char *cmd, unsigned int w, unsigned int h, int *cpid); |
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269 | int create_pty_grab(long pid, unsigned int w, unsigned int h, int *cpid); |
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270 | int grab_process(long pid, char *ptyname, int ptyfd, int *newpid); |
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271 | long select_process(struct screen_list* screen_list); |
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272 | |
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273 | long int import_term(struct screen_list *screen_list, struct screen *sc, void const *data, unsigned int size); |
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274 | int set_tty_size(int fd, unsigned int w, unsigned int h); |
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275 | int update_terms(struct screen_list* screen_list); |
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276 | void refresh_screens(struct screen_list *screen_list); |
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277 | int update_screens_contents(struct screen_list* screen_list); |
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278 | int install_fds(struct screen_list *screen_list); |
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279 | long long get_us(void); |
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280 | |
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281 | void attach(struct screen_list* screen_list); |
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282 | int detach(struct screen_list* screen_list); |
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283 | int request_attach(struct screen_list* screen_list); |
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284 | char * build_socket_path(char *socket_dir, char *session_name, enum socket_type socktype); |
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285 | int create_socket(struct screen_list* screen_list, enum socket_type socktype); |
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286 | char * connect_socket(struct screen_list* screen_list, enum socket_type socktype); |
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287 | char ** list_sockets(char *socket_dir, char *session_name); |
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288 | int start_server(struct screen_list *screen_list); |
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289 | int send_event(caca_event_t ev, struct screen_list* screen_list); |
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290 | int send_delay(struct screen_list* screen_list); |
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291 | int send_ansi_sequence(struct screen_list *screen_list, char *str); |
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292 | |
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293 | /* Screens management */ |
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294 | struct screen* create_screen(int w, int h, char *command); |
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295 | struct screen* create_screen_grab(int w, int h, int pid); |
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296 | int destroy_screen(struct screen *s); |
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297 | int add_screen(struct screen_list *list, struct screen *s); |
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298 | int remove_screen(struct screen_list *list, int n, int please_kill); |
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299 | void resize_screen(struct screen *s, int z, int h); |
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300 | |
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301 | /* Window managers */ |
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302 | void update_windows_props(struct screen_list *screen_list); |
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303 | void update_windows_props_cards(struct screen_list *screen_list); |
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304 | void update_windows_props_hsplit(struct screen_list *screen_list); |
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305 | void update_windows_props_full(struct screen_list *screen_list); |
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306 | void update_windows_props_vsplit(struct screen_list *screen_list); |
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307 | void update_windows_props_cube(struct screen_list *screen_list); |
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308 | |
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309 | void wm_refresh(struct screen_list *screen_list); |
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310 | void wm_refresh_card(struct screen_list *screen_list); |
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311 | void wm_refresh_cube(struct screen_list *screen_list); |
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312 | void wm_refresh_full(struct screen_list *screen_list); |
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313 | void wm_refresh_hsplit(struct screen_list *screen_list); |
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314 | void wm_refresh_vsplit(struct screen_list *screen_list); |
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315 | int switch_screen_recurrent(struct screen_list* screen_list, struct recurrent* rec, void *user, long long unsigned int t); |
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316 | |
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317 | |
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318 | /* Effects and addons */ |
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319 | void draw_thumbnails(struct screen_list *screen_list); |
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320 | void draw_status(struct screen_list *screen_list); |
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321 | void draw_help(struct screen_list *screen_list); |
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322 | int help_handle_key(struct screen_list *screen_list, unsigned int c); |
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323 | int update_window_list(int c, struct screen_list *screen_list); |
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324 | void draw_list(struct screen_list *screen_list); |
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325 | void draw_lock(struct screen_list *screen_list); |
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326 | int update_lock(int c, struct screen_list *screen_list); |
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327 | int validate_lock(struct screen_list *screen_list, char *user, char *pass); |
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328 | |
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329 | int close_screen_recurrent(struct screen_list*, struct recurrent* rec, void *user, long long unsigned int t); |
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330 | |
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331 | /* Input to ANSI */ |
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332 | void *convert_input_ansi(unsigned int *c, int *size); |
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333 | int handle_command_input(struct screen_list*screen_list, unsigned int c); |
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334 | |
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335 | |
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336 | /* Screensavers */ |
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337 | void screensaver_init(struct screen_list *screen_list); |
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338 | void screensaver_kill(struct screen_list *screen_list); |
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339 | |
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340 | void draw_screensaver(struct screen_list *screen_list); |
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341 | void screensaver_flying_toasters(struct screen_list *screen_list); |
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342 | |
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343 | void screensaver_flying_toasters_init(struct screen_list *screen_list); |
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344 | |
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345 | void screensaver_flying_toasters_kill(struct screen_list *screen_list); |
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346 | |
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347 | |
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348 | |
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349 | /* Recurrents */ |
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350 | int handle_recurrents(struct screen_list* screen_list); |
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351 | int add_recurrent(struct recurrent_list *list, |
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352 | int (*function)(struct screen_list*, struct recurrent* rec, void *user, long long unsigned int t), |
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353 | void *user); |
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354 | int remove_recurrent(struct recurrent_list *list, int n); |
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355 | |
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356 | |
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357 | |
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358 | /* Configuration file */ |
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359 | int read_configuration_file(char *filename, struct screen_list *screen_list); |
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360 | int parse_conf_line(char *buf, int size, struct screen_list *screen_list); |
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361 | int get_key_value(char *line, struct option *option); |
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362 | int fill_config(struct screen_list *screen_list); |
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363 | |
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364 | |
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365 | /* Python interpreter */ |
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366 | #ifdef USE_PYTHON |
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367 | int python_init(struct screen_list *sl); |
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368 | int python_close(struct screen_list *sl); |
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369 | int python_command_handle_key(struct screen_list *screen_list, unsigned int c); |
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370 | void draw_python_command(struct screen_list *screen_list); |
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371 | #endif |
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372 | |
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373 | #if defined DEBUG |
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374 | # include <stdio.h> |
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375 | # include <stdarg.h> |
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376 | static inline void debug(const char *format, ...) |
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377 | { |
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378 | va_list args; |
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379 | va_start(args, format); |
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380 | fprintf(stderr, "** neercs debug ** "); |
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381 | vfprintf(stderr, format, args); |
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382 | fprintf(stderr, "\n"); |
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383 | va_end(args); |
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384 | } |
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385 | #else |
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386 | # define debug(format, ...) do {} while(0) |
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387 | #endif |
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388 | |
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