Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/help.c @ 880:ea983a945eba
/buffer scroll_unlock: Don't always jump to the end of the buffer
If there is no pending message, do not jump to the bottom of the buffer.
For special buffers (e.g. for the status buffer) pending flag is currently
disabled so we jump unconditionally.
| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Sat, 27 May 2006 15:59:05 +0200 |
| parents | b38760d9ec2d |
| children | c3c2f7a0c5d5 |
| rev | line source |
|---|---|
| 868 | 1 /* |
| 2 * help.c -- Help command | |
| 3 * | |
| 4 * Copyright (C) 2006 Mikael Berthe <bmikael@lists.lilotux.net> | |
| 5 * | |
| 6 * This program is free software; you can redistribute it and/or modify | |
| 7 * it under the terms of the GNU General Public License as published by | |
| 8 * the Free Software Foundation; either version 2 of the License, or (at | |
| 9 * your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program; if not, write to the Free Software | |
| 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
| 19 * USA | |
| 20 */ | |
| 21 | |
| 22 #include <stdio.h> | |
| 23 #include <stdlib.h> | |
| 24 #include <string.h> | |
| 25 #include <ctype.h> | |
| 26 #include <glib.h> | |
| 27 | |
| 28 #include "settings.h" | |
| 29 #include "logprint.h" | |
| 30 #include "utils.h" | |
| 31 | |
| 32 #define DEFAULT_LANG "en" | |
| 33 | |
| 34 // get_lang() | |
| 35 // Return the language code string (a 2-letters string). | |
| 36 static const char *get_lang(void) { | |
| 37 static const char *lang_str = DEFAULT_LANG; | |
|
877
b38760d9ec2d
autoconf: Remove --with-datadir, use built-in --datarootdir option
Mikael Berthe <mikael@lilotux.net>
parents:
868
diff
changeset
|
38 #ifdef DATA_ROOT_DIR |
| 868 | 39 static char lang[3]; |
| 40 const char *opt_l; | |
| 41 opt_l = settings_opt_get("lang"); | |
| 42 if (opt_l && strlen(opt_l) == 2 && isalpha(opt_l[0]) && isalpha(opt_l[1])) { | |
| 43 strncpy(lang, opt_l, sizeof(lang)); | |
| 44 mc_strtolower(lang); | |
| 45 lang_str = lang; | |
| 46 } | |
|
877
b38760d9ec2d
autoconf: Remove --with-datadir, use built-in --datarootdir option
Mikael Berthe <mikael@lilotux.net>
parents:
868
diff
changeset
|
47 #endif /* DATA_ROOT_DIR */ |
| 868 | 48 return lang_str; |
| 49 } | |
| 50 | |
| 51 // help_process(string) | |
| 52 // Display help about the "string" command. | |
| 53 // If string is null, display general help. | |
| 54 // Return 0 in case of success. | |
| 55 int help_process(char *string) | |
| 56 { | |
|
877
b38760d9ec2d
autoconf: Remove --with-datadir, use built-in --datarootdir option
Mikael Berthe <mikael@lilotux.net>
parents:
868
diff
changeset
|
57 #ifndef DATA_ROOT_DIR |
| 868 | 58 scr_LogPrint(LPRINT_NORMAL, "Help isn't available."); |
| 59 return -1; | |
| 60 #else | |
| 61 const char *lang; | |
| 62 FILE *fp; | |
| 63 char *helpfiles_dir, *filename; | |
| 64 char *data; | |
| 65 const int datasize = 4096; | |
| 66 char *p; | |
| 67 | |
| 68 // Check string is ok | |
| 69 for (p = string; p && *p; p++) { | |
| 70 if (!isalnum(*p) && *p != '_' && *p != '-') { | |
| 71 scr_LogPrint(LPRINT_NORMAL, "Cannot find help (invalid keyword)."); | |
| 72 return 1; | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 // Look for help file | |
| 77 lang = get_lang(); | |
|
877
b38760d9ec2d
autoconf: Remove --with-datadir, use built-in --datarootdir option
Mikael Berthe <mikael@lilotux.net>
parents:
868
diff
changeset
|
78 helpfiles_dir = g_strdup_printf("%s/mcabber/help", DATA_ROOT_DIR); |
| 868 | 79 if (string && *string) { |
| 80 p = g_strdup(string); | |
| 81 mc_strtolower(p); | |
| 82 filename = g_strdup_printf("%s/%s/hlp_%s.txt", helpfiles_dir, lang, p); | |
| 83 g_free(p); | |
| 84 } else | |
| 85 filename = g_strdup_printf("%s/%s/hlp.txt", helpfiles_dir, lang); | |
| 86 | |
| 87 fp = fopen(filename, "r"); | |
| 88 g_free(filename); | |
| 89 g_free(helpfiles_dir); | |
| 90 | |
| 91 if (!fp) { | |
| 92 scr_LogPrint(LPRINT_NORMAL, "No help found."); | |
| 93 return -1; | |
| 94 } | |
| 95 | |
| 96 data = g_new(char, datasize); | |
| 97 while (!feof(fp)) { | |
| 98 if (fgets(data, datasize, fp) == NULL) break; | |
| 99 // Strip trailing newline | |
| 100 for (p = data; *p; p++) ; | |
| 101 if (p > data) | |
| 102 p--; | |
| 103 if (*p == '\n' || *p == '\r') | |
| 104 *p = '\0'; | |
| 105 // Displaty the help line | |
| 106 scr_LogPrint(LPRINT_NORMAL, "%s", data); | |
| 107 } | |
| 108 fclose(fp); | |
| 109 g_free(data); | |
| 110 | |
| 111 return 0; | |
|
877
b38760d9ec2d
autoconf: Remove --with-datadir, use built-in --datarootdir option
Mikael Berthe <mikael@lilotux.net>
parents:
868
diff
changeset
|
112 #endif /* DATA_ROOT_DIR */ |
| 868 | 113 } |
| 114 | |
| 115 | |
| 116 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |