/* $Id: layout.c,v 1.22 2006/02/21 05:50:34 reinelt Exp $ * * new layouter framework * * Copyright (C) 2003 Michael Reinelt * Copyright (C) 2004 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * $Log: layout.c,v $ * Revision 1.22 2006/02/21 05:50:34 reinelt * keypad support from Cris Maj * * Revision 1.21 2006/02/08 04:55:05 reinelt * moved widget registration to drv_generic_graphic * * Revision 1.20 2006/02/07 05:36:13 reinelt * Layers added to Layout * * Revision 1.19 2006/01/30 05:47:38 reinelt * graphic subsystem changed to full-color RGBA * * Revision 1.18 2006/01/23 06:17:18 reinelt * timer widget added * * Revision 1.17 2005/12/18 16:18:36 reinelt * GPO's added again * * Revision 1.16 2005/05/08 04:32:44 reinelt * CodingStyle added and applied * * Revision 1.15 2005/01/18 06:30:23 reinelt * added (C) to all copyright statements * * Revision 1.14 2004/06/26 12:04:59 reinelt * * uh-oh... the last CVS log message messed up things a lot... * * Revision 1.13 2004/06/26 09:27:21 reinelt * * added '-W' to CFLAGS * changed all C++ comments to C ones * cleaned up a lot of signed/unsigned mistakes * * Revision 1.12 2004/06/20 10:09:56 reinelt * * 'const'ified the whole source * * Revision 1.11 2004/06/02 09:41:19 reinelt * * prepared support for startup splash screen * * Revision 1.10 2004/03/03 03:47:04 reinelt * big patch from Martin Hejl: * - use qprintf() where appropriate * - save CPU cycles on gettimeofday() * - add quit() functions to free allocated memory * - fixed lots of memory leaks * * Revision 1.9 2004/02/01 19:37:40 reinelt * got rid of every strtok() incarnation. * * Revision 1.8 2004/02/01 18:08:50 reinelt * removed strtok() from layout processing (took me hours to find this bug) * further strtok() removind should be done! * * Revision 1.7 2004/01/30 20:57:56 reinelt * HD44780 patch from Martin Hejl * dmalloc integrated * * Revision 1.6 2004/01/14 11:33:00 reinelt * new plugin 'uname' which does what it's called * text widget nearly finished * first results displayed on MatrixOrbital * * Revision 1.5 2004/01/13 08:18:19 reinelt * timer queues added * liblcd4linux deactivated turing transformation to new layout * * Revision 1.4 2004/01/12 03:51:01 reinelt * evaluating the 'Variables' section in the config file * * Revision 1.3 2004/01/11 18:26:02 reinelt * further widget and layout processing * * Revision 1.2 2004/01/11 09:26:15 reinelt * layout starts to exist... * * Revision 1.1 2004/01/10 20:22:33 reinelt * added new function 'cfg_list()' (not finished yet) * added layout.c (will replace processor.c someday) * added widget_text.c (will be the first and most important widget) * modified lcd4linux.c so that old-style configs should work, too * */ /* * exported functions: * * layout_init (char *section) * initializes the layouter * */ #include "config.h" #include #include #include #include #include "debug.h" #include "cfg.h" #include "widget.h" #include "layout.h" #ifdef WITH_DMALLOC #include #endif int layout_init(const char *layout) { char *section; char *list, *l; char *widget; int lay, row, col, num; info("initializing layout '%s'", layout); /* prepare config section */ /* strlen("Layout:")=7 */ section = malloc(strlen(layout) + 8); strcpy(section, "Layout:"); strcat(section, layout); /* get a list of all keys in this section */ list = cfg_list(section); /* map to lower char for scanf() */ for (l = list; *l != '\0'; l++) *l = tolower(*l); l = list; while (l != NULL) { char *p; int i, n; /* list is delimited by | */ while (*l == '|') l++; if ((p = strchr(l, '|')) != NULL) *p = '\0'; /* layer/x/y widgets */ i = sscanf(l, "layer:%d.x%d.y%d%n", &lay, &row, &col, &n); if (i == 3 && l[n] == '\0') { if (lay < 0 || lay >= LAYERS) { error("%s: layer %d out of bounds (0..%d)", section, lay, LAYERS - 1); } else { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_XY, lay, row - 1, col - 1); } free(widget); } } /* layer/row/col widgets */ i = sscanf(l, "layer:%d.row%d.col%d%n", &lay, &row, &col, &n); if (i == 3 && l[n] == '\0') { if (lay < 0 || lay >= LAYERS) { error("%s: layer %d out of bounds (0..%d)", section, lay, LAYERS - 1); } else { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_RC, lay, row - 1, col - 1); } free(widget); } } /* row/col widgets w/o layer */ i = sscanf(l, "row%d.col%d%n", &row, &col, &n); if (i == 2 && l[n] == '\0') { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { /* default is layer 1 if outside layer section */ widget_add(widget, WIDGET_TYPE_RC, 1, row - 1, col - 1); } free(widget); } /* GPO widgets */ i = sscanf(l, "gpo%d%n", &num, &n); if (i == 1 && l[n] == '\0') { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_GPO, 0, num - 1, 0); } free(widget); } /* timer widgets */ i = sscanf(l, "timer%d%n", &num, &n); if (i == 1 && l[n] == '\0') { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_TIMER, 0, num - 1, 0); } free(widget); } /* keypad widget */ i = sscanf(l, "keypad%d%n", &num, &n); if (i == 1 && l[n] == '\0') { widget = cfg_get(section, l, NULL); if (widget != NULL && *widget != '\0') { widget_add(widget, WIDGET_TYPE_KEYPAD, 0, num - 1, 0); } free(widget); } /* next field */ l = p ? p + 1 : NULL; } free(list); free(section); return 0; } 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262