1 /* |
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2 Copyright 2009,2010 Andreas Fett |
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3 Copyright 2010 Mikael Berthe |
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4 |
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5 Module "extsay" -- adds a /extsay command |
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6 Spawns an external editor |
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7 Original code from Andreas Fett. |
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8 |
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9 This module is free software: you can redistribute it and/or modify |
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10 it under the terms of the GNU General Public License as published by |
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11 the Free Software Foundation, either version 2 of the License, or |
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12 (at your option) any later version. |
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13 |
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14 This program is distributed in the hope that it will be useful, |
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 GNU General Public License for more details. |
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18 |
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19 You should have received a copy of the GNU General Public License |
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20 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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21 */ |
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22 |
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23 #include <unistd.h> |
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24 #include <stdlib.h> |
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25 #include <sys/wait.h> |
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26 #include <glib/gstdio.h> |
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27 |
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28 #include <mcabber/modules.h> |
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29 #include <mcabber/commands.h> |
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30 #include <mcabber/screen.h> |
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31 |
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32 static void extsay_init(void); |
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33 static void extsay_uninit(void); |
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34 |
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35 /* Module description */ |
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36 module_info_t info_extsay = { |
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37 .branch = MCABBER_BRANCH, |
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38 .api = MCABBER_API_VERSION, |
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39 .version = "0.01", |
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40 .description = "Use external editor to send a message\n" |
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41 "WARNING: use at your own risk - " |
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42 "mcabber is stuck while you write a message, " |
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43 "this is not recommended!", |
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44 .requires = NULL, |
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45 .init = extsay_init, |
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46 .uninit = extsay_uninit, |
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47 .next = NULL, |
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48 }; |
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49 |
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50 // XXX Not very clean, internal function... |
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51 char *load_message_from_file(const char *filename); |
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52 |
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53 static char* spawn_editor() { |
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54 GError *err = NULL; |
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55 gchar *argv[] = { NULL, NULL }; |
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56 gchar *tmpfile = NULL; |
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57 gchar *tmpl = "mcabber-XXXXXX"; |
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58 gchar *msg; |
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59 gboolean ret; |
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60 gint fd; |
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61 gint exit_status = 0; |
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62 |
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63 argv[0] = (gchar*)g_getenv("EDITOR"); |
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64 if (argv[0] == NULL) { |
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65 scr_LogPrint(LPRINT_NORMAL, "Environment variable EDITOR not set."); |
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66 return NULL; |
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67 } |
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68 |
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69 fd = g_file_open_tmp(tmpl, &tmpfile, &err); |
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70 if ( fd < 0 ) { |
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71 scr_LogPrint(LPRINT_NORMAL, err->message); |
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72 g_error_free(err); |
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73 return NULL; |
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74 } |
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75 close(fd); |
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76 |
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77 argv[1] = tmpfile; |
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78 |
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79 endwin(); |
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80 ret = g_spawn_sync(NULL, argv, NULL, |
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81 G_SPAWN_CHILD_INHERITS_STDIN|G_SPAWN_SEARCH_PATH, |
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82 NULL, NULL, NULL, NULL, &exit_status, &err); |
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83 |
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84 raw(); |
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85 readline_refresh_screen(); |
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86 |
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87 if (!ret) { |
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88 scr_LogPrint(LPRINT_NORMAL, err->message); |
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89 return NULL; |
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90 } |
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91 |
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92 if (WEXITSTATUS(exit_status) != EXIT_SUCCESS) { |
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93 scr_LogPrint(LPRINT_NORMAL, |
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94 "Editor exited with error, discarding message."); |
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95 return NULL; |
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96 } |
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97 |
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98 msg = load_message_from_file(tmpfile); |
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99 |
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100 if (g_unlink(tmpfile) != 0) |
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101 scr_LogPrint(LPRINT_NORMAL, "Warning, could not remove temp file."); |
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102 |
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103 return msg; |
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104 } |
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105 |
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106 static void do_extsay(char *args) |
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107 { |
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108 char *msg = spawn_editor(); |
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109 if (msg) { |
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110 say_cmd(msg, 0); |
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111 g_free(msg); |
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112 } |
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113 } |
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114 |
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115 /* Initialization */ |
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116 static void extsay_init(void) |
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117 { |
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118 /* Add command */ |
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119 cmd_add("extsay", "Use external editor to write a message", |
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120 0, 0, do_extsay, NULL); |
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121 scr_LogPrint(LPRINT_NORMAL, "Loading module extsay...\n" |
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122 "** Be careful, everything is on hold while you run the " |
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123 "external editor.\n" |
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124 "** Do not run it for too long!" |
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125 ); |
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126 } |
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127 |
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128 /* Deinitialization */ |
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129 static void extsay_uninit(void) |
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130 { |
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131 /* Unregister command */ |
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132 cmd_del("extsay"); |
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133 } |
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134 |
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135 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |
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