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author | Reinhard Tartler <siretart@tauware.de> | 2011-04-27 19:24:15 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-04-27 19:24:15 +0200 |
commit | 181cec4348da40331b3e8ab365732c025ec149b2 (patch) | |
tree | e2e749be67c8253a8096aaf92aab9c51f1a17f7f /widget_timer.c | |
download | lcd4linux-181cec4348da40331b3e8ab365732c025ec149b2.tar.gz |
Import upstream version 0.11.0~svn1143
Diffstat (limited to '')
-rw-r--r-- | widget_timer.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/widget_timer.c b/widget_timer.c new file mode 100644 index 0000000..4ba243e --- /dev/null +++ b/widget_timer.c @@ -0,0 +1,147 @@ +/* $Id: widget_timer.c 1106 2010-02-07 14:03:46Z mzuther $ + * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/widget_timer.c $ + * + * timer widget handling + * + * Copyright (C) 2006 Michael Reinelt <michael@reinelt.co.at> + * Copyright (C) 2006 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. + * + */ + +/* + * exported functions: + * + * WIDGET_CLASS Widget_Timer + * the timer widget + * + */ + + +#include "config.h" + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> + +#include "debug.h" +#include "cfg.h" +#include "qprintf.h" +#include "property.h" +#include "timer_group.h" +#include "widget.h" +#include "widget_timer.h" + +#ifdef WITH_DMALLOC +#include <dmalloc.h> +#endif + +void widget_timer_update(void *Self) +{ + WIDGET *W = (WIDGET *) Self; + WIDGET_TIMER *Timer = W->data; + int update, active; + + /* evaluate expressions */ + property_eval(&Timer->update); + property_eval(&Timer->active); + + /* get new update interval */ + update = P2N(&Timer->update); + if (update < 10) + update = 10; + + /* finally, fire it! */ + active = P2N(&Timer->active); + if (active > 0) { + property_eval(&Timer->expression); + } + + /* add a new one-shot timer */ + timer_add_widget(widget_timer_update, Self, update, 1); +} + + + +int widget_timer_init(WIDGET * Self) +{ + char *section; + WIDGET_TIMER *Timer; + + /* prepare config section */ + /* strlen("Widget:")=7 */ + section = malloc(strlen(Self->name) + 8); + strcpy(section, "Widget:"); + strcat(section, Self->name); + + Timer = malloc(sizeof(WIDGET_TIMER)); + memset(Timer, 0, sizeof(WIDGET_TIMER)); + + /* load properties */ + property_load(section, "expression", NULL, &Timer->expression); + property_load(section, "update", "100", &Timer->update); + property_load(section, "active", "1", &Timer->active); + + free(section); + Self->data = Timer; + Self->x2 = NOCOORD; + Self->y2 = NOCOORD; + + /* just do it! */ + widget_timer_update(Self); + + return 0; +} + + +int widget_timer_quit(WIDGET * Self) +{ + if (Self) { + /* do not deallocate child widget! */ + if (Self->parent == NULL) { + if (Self->data) { + WIDGET_TIMER *Timer = Self->data; + property_free(&Timer->expression); + property_free(&Timer->update); + property_free(&Timer->active); + free(Self->data); + Self->data = NULL; + } + } + } + + return 0; + +} + + +int widget_timer_register(void) +{ + WIDGET_CLASS wc; + wc = Widget_Timer; + widget_register(&wc); + return 0; +} + + +WIDGET_CLASS Widget_Timer = { + .name = "timer", + .type = WIDGET_TYPE_TIMER, + .init = widget_timer_init, + .draw = NULL, + .quit = widget_timer_quit, +}; |