filename | src/gdlist.c |
changeset | 1036:af7b0c5905dd |
prev | 1034:7044e01148f0 |
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author | nkeynes |
date | Sun Jun 28 10:39:51 2009 +0000 (14 years ago) |
permissions | -rw-r--r-- |
last change | Remove -Wl,-z,defs from dpkg build Add explicit library deps (so that optional libs are Recommended/Suggested) Tweak copyright file |
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nkeynes@691 | 1 | /** |
nkeynes@691 | 2 | * $Id$ |
nkeynes@691 | 3 | * |
nkeynes@691 | 4 | * GD-Rom list manager - maintains the list of recently accessed images and |
nkeynes@691 | 5 | * available devices for the UI + config. |
nkeynes@691 | 6 | * |
nkeynes@691 | 7 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@691 | 8 | * |
nkeynes@691 | 9 | * This program is free software; you can redistribute it and/or modify |
nkeynes@691 | 10 | * it under the terms of the GNU General Public License as published by |
nkeynes@691 | 11 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@691 | 12 | * (at your option) any later version. |
nkeynes@691 | 13 | * |
nkeynes@691 | 14 | * This program is distributed in the hope that it will be useful, |
nkeynes@691 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@691 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@691 | 17 | * GNU General Public License for more details. |
nkeynes@691 | 18 | */ |
nkeynes@691 | 19 | |
nkeynes@691 | 20 | #include <string.h> |
nkeynes@691 | 21 | #include <stdlib.h> |
nkeynes@691 | 22 | #include <glib/gstrfuncs.h> |
nkeynes@691 | 23 | #include <libgen.h> |
nkeynes@755 | 24 | #include "gettext.h" |
nkeynes@691 | 25 | #include "gdrom/gdrom.h" |
nkeynes@691 | 26 | #include "gdlist.h" |
nkeynes@691 | 27 | #include "lxdream.h" |
nkeynes@691 | 28 | #include "config.h" |
nkeynes@691 | 29 | |
nkeynes@691 | 30 | #define MAX_RECENT_ITEMS 5 |
nkeynes@691 | 31 | |
nkeynes@691 | 32 | #define FIRST_RECENT_INDEX (gdrom_device_count+2) |
nkeynes@691 | 33 | |
nkeynes@691 | 34 | DEFINE_HOOK(gdrom_list_change_hook, gdrom_list_change_hook_t); |
nkeynes@691 | 35 | |
nkeynes@691 | 36 | static GList *gdrom_device_list = NULL; |
nkeynes@691 | 37 | static GList *gdrom_recent_list = NULL; |
nkeynes@691 | 38 | static unsigned int gdrom_device_count = 0, gdrom_recent_count = 0; |
nkeynes@691 | 39 | |
nkeynes@691 | 40 | gint gdrom_list_find( const gchar *name ) |
nkeynes@691 | 41 | { |
nkeynes@691 | 42 | gint posn = 0; |
nkeynes@691 | 43 | GList *ptr; |
nkeynes@691 | 44 | |
nkeynes@691 | 45 | for( ptr = gdrom_device_list; ptr != NULL; ptr = g_list_next(ptr) ) { |
nkeynes@709 | 46 | gdrom_device_t device = (gdrom_device_t)ptr->data; |
nkeynes@691 | 47 | posn++; |
nkeynes@709 | 48 | if( strcmp(device->name, name) == 0 ) { |
nkeynes@691 | 49 | return posn; |
nkeynes@691 | 50 | } |
nkeynes@691 | 51 | } |
nkeynes@691 | 52 | posn++; |
nkeynes@691 | 53 | for( ptr = gdrom_recent_list; ptr != NULL; ptr = g_list_next(ptr) ) { |
nkeynes@691 | 54 | gchar *file = (gchar *)ptr->data; |
nkeynes@691 | 55 | posn++; |
nkeynes@691 | 56 | if( strcmp(file, name) == 0 ) { |
nkeynes@691 | 57 | return posn; |
nkeynes@691 | 58 | } |
nkeynes@691 | 59 | } |
nkeynes@691 | 60 | return -1; |
nkeynes@691 | 61 | } |
nkeynes@691 | 62 | |
nkeynes@691 | 63 | /** |
nkeynes@691 | 64 | * Update the recent list in the lxdream config (but does not save) |
nkeynes@691 | 65 | */ |
nkeynes@691 | 66 | void gdrom_list_update_config() |
nkeynes@691 | 67 | { |
nkeynes@1034 | 68 | lxdream_set_global_config_list_value( CONFIG_RECENT, gdrom_recent_list ); |
nkeynes@691 | 69 | } |
nkeynes@691 | 70 | |
nkeynes@691 | 71 | |
nkeynes@691 | 72 | void gdrom_list_add_recent_item( const gchar *name ) |
nkeynes@691 | 73 | { |
nkeynes@691 | 74 | gdrom_recent_list = g_list_prepend( gdrom_recent_list, g_strdup(name) ); |
nkeynes@691 | 75 | if( g_list_length(gdrom_recent_list) > MAX_RECENT_ITEMS ) { |
nkeynes@691 | 76 | GList *ptr = g_list_nth( gdrom_recent_list, MAX_RECENT_ITEMS ); |
nkeynes@691 | 77 | g_free( ptr->data ); |
nkeynes@691 | 78 | gdrom_recent_list = g_list_remove( gdrom_recent_list, ptr->data ); |
nkeynes@691 | 79 | } else { |
nkeynes@691 | 80 | gdrom_recent_count ++; |
nkeynes@691 | 81 | } |
nkeynes@691 | 82 | gdrom_list_update_config(); |
nkeynes@691 | 83 | } |
nkeynes@691 | 84 | |
nkeynes@691 | 85 | void gdrom_list_move_to_front( const gchar *name ) |
nkeynes@691 | 86 | { |
nkeynes@691 | 87 | GList *ptr; |
nkeynes@691 | 88 | for( ptr = gdrom_recent_list; ptr != NULL; ptr = g_list_next(ptr) ) { |
nkeynes@691 | 89 | gchar *file = (gchar *)ptr->data; |
nkeynes@691 | 90 | if( strcmp(file, name) == 0 ) { |
nkeynes@691 | 91 | gdrom_recent_list = g_list_delete_link( gdrom_recent_list, ptr ); |
nkeynes@691 | 92 | gdrom_recent_list = g_list_prepend( gdrom_recent_list, file ); |
nkeynes@691 | 93 | gdrom_list_update_config(); |
nkeynes@691 | 94 | return; |
nkeynes@691 | 95 | } |
nkeynes@691 | 96 | } |
nkeynes@691 | 97 | } |
nkeynes@691 | 98 | |
nkeynes@691 | 99 | /** |
nkeynes@691 | 100 | * Disc-changed callback from the GD-Rom driver. Updates the list accordingly. |
nkeynes@691 | 101 | */ |
nkeynes@691 | 102 | gboolean gdrom_list_disc_changed( gdrom_disc_t disc, const gchar *disc_name, void *user_data ) |
nkeynes@691 | 103 | { |
nkeynes@691 | 104 | gboolean list_changed = FALSE; |
nkeynes@691 | 105 | int posn = 0; |
nkeynes@691 | 106 | if( disc != NULL ) { |
nkeynes@691 | 107 | posn = gdrom_list_find( disc_name ); |
nkeynes@691 | 108 | if( posn == -1 ) { |
nkeynes@691 | 109 | gdrom_list_add_recent_item( disc_name ); |
nkeynes@691 | 110 | posn = FIRST_RECENT_INDEX; |
nkeynes@691 | 111 | list_changed = TRUE; |
nkeynes@691 | 112 | } else if( posn > FIRST_RECENT_INDEX ) { |
nkeynes@691 | 113 | gdrom_list_move_to_front( disc_name ); |
nkeynes@691 | 114 | posn = FIRST_RECENT_INDEX; |
nkeynes@691 | 115 | list_changed = TRUE; |
nkeynes@691 | 116 | } |
nkeynes@691 | 117 | } |
nkeynes@736 | 118 | |
nkeynes@1036 | 119 | lxdream_set_global_config_path_value( CONFIG_GDROM, disc_name ); |
nkeynes@691 | 120 | lxdream_save_config(); |
nkeynes@691 | 121 | |
nkeynes@691 | 122 | CALL_HOOKS( gdrom_list_change_hook, list_changed, posn ); |
nkeynes@691 | 123 | return TRUE; |
nkeynes@691 | 124 | } |
nkeynes@691 | 125 | |
nkeynes@691 | 126 | /** |
nkeynes@691 | 127 | * Drives-changed callback from the host CD-Rom drivers. Probably not likely to |
nkeynes@691 | 128 | * happen too often unless you're adding/removing external drives... |
nkeynes@691 | 129 | */ |
nkeynes@691 | 130 | void gdrom_list_drives_changed( GList *device_list ) |
nkeynes@691 | 131 | { |
nkeynes@691 | 132 | } |
nkeynes@691 | 133 | |
nkeynes@691 | 134 | /************ Public interface ***********/ |
nkeynes@691 | 135 | |
nkeynes@691 | 136 | void gdrom_list_init() |
nkeynes@691 | 137 | { |
nkeynes@1034 | 138 | gdrom_recent_list = lxdream_get_global_config_list_value( CONFIG_RECENT ); |
nkeynes@691 | 139 | register_gdrom_disc_change_hook( gdrom_list_disc_changed, NULL ); |
nkeynes@709 | 140 | gdrom_device_list = cdrom_get_native_devices(); |
nkeynes@691 | 141 | gdrom_device_count = g_list_length(gdrom_device_list); |
nkeynes@691 | 142 | gdrom_recent_count = g_list_length(gdrom_recent_list); |
nkeynes@736 | 143 | |
nkeynes@691 | 144 | // Run the hooks in case anyone registered before the list was initialized |
nkeynes@691 | 145 | CALL_HOOKS( gdrom_list_change_hook, TRUE, gdrom_list_get_selection() ); |
nkeynes@691 | 146 | } |
nkeynes@691 | 147 | |
nkeynes@691 | 148 | gboolean gdrom_list_set_selection( int posn ) |
nkeynes@691 | 149 | { |
nkeynes@691 | 150 | if( posn == 0 ) { // Always 'Empty' |
nkeynes@691 | 151 | gdrom_unmount_disc(); |
nkeynes@691 | 152 | return TRUE; |
nkeynes@691 | 153 | } |
nkeynes@736 | 154 | |
nkeynes@691 | 155 | if( posn <= gdrom_device_count ) { |
nkeynes@709 | 156 | gdrom_device_t device = g_list_nth_data(gdrom_device_list, posn-1); |
nkeynes@709 | 157 | return gdrom_mount_image(device->name); |
nkeynes@691 | 158 | } |
nkeynes@736 | 159 | |
nkeynes@691 | 160 | posn -= FIRST_RECENT_INDEX; |
nkeynes@691 | 161 | if( posn >= 0 && posn < gdrom_recent_count ) { |
nkeynes@691 | 162 | gchar *entry = g_list_nth_data(gdrom_recent_list, posn); |
nkeynes@696 | 163 | return gdrom_mount_image(entry); |
nkeynes@691 | 164 | } |
nkeynes@736 | 165 | |
nkeynes@691 | 166 | return FALSE; |
nkeynes@691 | 167 | } |
nkeynes@691 | 168 | |
nkeynes@691 | 169 | gint gdrom_list_get_selection( ) |
nkeynes@691 | 170 | { |
nkeynes@691 | 171 | const char *name = gdrom_get_current_disc_name(); |
nkeynes@691 | 172 | if( name == NULL ) { |
nkeynes@691 | 173 | return 0; |
nkeynes@691 | 174 | } else { |
nkeynes@691 | 175 | return gdrom_list_find(name); |
nkeynes@691 | 176 | } |
nkeynes@691 | 177 | } |
nkeynes@691 | 178 | |
nkeynes@691 | 179 | int gdrom_list_size() |
nkeynes@691 | 180 | { |
nkeynes@691 | 181 | return gdrom_device_count + gdrom_recent_count + 2; |
nkeynes@691 | 182 | } |
nkeynes@691 | 183 | |
nkeynes@691 | 184 | const gchar *gdrom_list_get_display_name( int posn ) |
nkeynes@691 | 185 | { |
nkeynes@691 | 186 | if( posn == 0 ) { |
nkeynes@691 | 187 | return _("Empty"); |
nkeynes@691 | 188 | } |
nkeynes@736 | 189 | |
nkeynes@691 | 190 | if( posn <= gdrom_device_count ) { |
nkeynes@709 | 191 | gdrom_device_t device = g_list_nth_data(gdrom_device_list, posn-1); |
nkeynes@709 | 192 | return device->device_name; |
nkeynes@691 | 193 | } |
nkeynes@736 | 194 | |
nkeynes@691 | 195 | if( posn == gdrom_device_count + 1) { |
nkeynes@691 | 196 | return ""; |
nkeynes@691 | 197 | } |
nkeynes@736 | 198 | |
nkeynes@691 | 199 | if( posn < 0 || posn > gdrom_list_size() ) { |
nkeynes@691 | 200 | return NULL; |
nkeynes@691 | 201 | } |
nkeynes@691 | 202 | |
nkeynes@691 | 203 | gchar *entry = g_list_nth_data(gdrom_recent_list, posn-FIRST_RECENT_INDEX); |
nkeynes@691 | 204 | return basename(entry); |
nkeynes@691 | 205 | } |
nkeynes@696 | 206 | |
nkeynes@696 | 207 | const gchar *gdrom_list_get_filename( int posn ) |
nkeynes@696 | 208 | { |
nkeynes@736 | 209 | if( posn == 0 ) { |
nkeynes@736 | 210 | return _("Empty"); |
nkeynes@736 | 211 | } |
nkeynes@696 | 212 | |
nkeynes@736 | 213 | if( posn <= gdrom_device_count ) { |
nkeynes@736 | 214 | gdrom_device_t device = g_list_nth_data(gdrom_device_list, posn-1); |
nkeynes@736 | 215 | return device->name; |
nkeynes@736 | 216 | } |
nkeynes@736 | 217 | |
nkeynes@736 | 218 | if( posn == gdrom_device_count + 1) { |
nkeynes@736 | 219 | return ""; |
nkeynes@736 | 220 | } |
nkeynes@736 | 221 | |
nkeynes@736 | 222 | if( posn < 0 || posn > gdrom_list_size() ) { |
nkeynes@736 | 223 | return NULL; |
nkeynes@736 | 224 | } |
nkeynes@736 | 225 | |
nkeynes@736 | 226 | return g_list_nth_data(gdrom_recent_list, posn-FIRST_RECENT_INDEX); |
nkeynes@696 | 227 | } |
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