diff options
Diffstat (limited to 'layout.c')
| -rw-r--r-- | layout.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/layout.c b/layout.c new file mode 100644 index 0000000..1d91f0b --- /dev/null +++ b/layout.c @@ -0,0 +1,203 @@ +/* $Id: layout.c 1057 2009-11-17 01:47:43Z edman007 $ + * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/layout.c $ + * + * new layouter framework + * + * Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at> + * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> + * + * 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. + * + */ + +/* + * exported functions: + * + * layout_init (char *section) + * initializes the layouter + * + */ + +#include "config.h" + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> + +#include "debug.h" +#include "cfg.h" +#include "widget.h" +#include "layout.h" + +#ifdef WITH_DMALLOC +#include <dmalloc.h> +#endif + + +/* rename old-style widgets without layer */ +static int layout_migrate(const char *section) +{ + char *list, *old, *new; + int row, col; + + /* get a list of all keys in this section */ + list = cfg_list(section); + + /* map to lower char for scanf() */ + for (old = list; *old != '\0'; old++) + *old = tolower(*old); + + old = list; + while (old != NULL) { + + char *p; + int i, n; + + /* list is delimited by | */ + while (*old == '|') + old++; + if ((p = strchr(old, '|')) != NULL) + *p = '\0'; + + /* row/col widgets w/o layer */ + i = sscanf(old, "row%d.col%d%n", &row, &col, &n); + if (i == 2 && old[n] == '\0') { + + /* prepare new key */ + /* strlen("Layer:1.")=8 */ + new = malloc(strlen(old) + 9); + strcpy(new, "Layer:1."); + strcat(new, old); + + debug("%s: migrating '%s' to '%s'", section, old, new); + if (cfg_rename(section, old, new) < 0) { + error("WARNING: %s: both keys '%s' and '%s' may not exist!", section, old, new); + } + free(new); + } + + /* next field */ + old = p ? p + 1 : NULL; + } + free(list); + return 0; +} + + +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); + + /* mirate layout to common format */ + layout_migrate(section); + + /* 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); + } + } + + /* 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; +} |