lcd4linux.git - lcd4linux

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Diffstat (limited to 'config.guess')

0 files changed, 0 insertions, 0 deletions

/* $Id: widget_gpo.c,v 1.1 2005/12/18 16:18:36 reinelt Exp $ * * GPO widget handling * * Copyright (C) 2005 Michael Reinelt <reinelt@eunet.at> * Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> * * This program 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. * * This program 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: widget_gpo.c,v $ * Revision 1.1 2005/12/18 16:18:36 reinelt * GPO's added again * */ /* * exported functions: * * WIDGET_CLASS Widget_GPO * the GPO widget * */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <ctype.h> #include "debug.h" #include "cfg.h" #include "evaluator.h" #include "timer.h" #include "widget.h" #include "widget_gpo.h" #ifdef WITH_DMALLOC #include <dmalloc.h> #endif void widget_gpo_update(void *Self) { WIDGET *W = (WIDGET *) Self; WIDGET_GPO *GPO = W->data; RESULT result = { 0, 0, 0, NULL }; int val; /* evaluate expression */ val = 0; if (GPO->tree != NULL) { Eval(GPO->tree, &result); val = R2N(&result); DelResult(&result); } GPO->num = W->row; GPO->val = val; /* finally, draw it! */ if (W->class->draw) W->class->draw(W); } int widget_gpo_init(WIDGET * Self) { char *section; WIDGET_GPO *GPO; /* prepare config section */ /* strlen("Widget:")=7 */ section = malloc(strlen(Self->name) + 8); strcpy(section, "Widget:"); strcat(section, Self->name); GPO = malloc(sizeof(WIDGET_GPO)); memset(GPO, 0, sizeof(WIDGET_GPO)); /* get raw expression (we evaluate them ourselves) */ GPO->expression = cfg_get_raw(section, "expression", NULL); /* sanity check */ if (GPO->expression == NULL || *GPO->expression == '\0') { error("widget %s has no expression, using '0.0'", Self->name); GPO->expression = "0"; } /* compile expression */ Compile(GPO->expression, &GPO->tree); /* update interval (msec), default 1 sec */ cfg_number(section, "update", 1000, 10, -1, &(GPO->update)); free(section); Self->data = GPO; timer_add(widget_gpo_update, Self, GPO->update, 0); return 0; } int widget_gpo_quit(WIDGET * Self) { if (Self) { if (Self->data) { WIDGET_GPO *GPO = Self->data; DelTree(GPO->tree); free(Self->data); } Self->data = NULL; } return 0; } WIDGET_CLASS Widget_GPO = { name:"gpo", type:WIDGET_TYPE_GPO, init:widget_gpo_init, draw:NULL, quit:widget_gpo_quit, };


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