/* $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; }