/* $Id: widget_text.c,v 1.21 2005/01/18 06:30:24 reinelt Exp $ * * simple text widget handling * * Copyright (C) 2003, 2004 Michael Reinelt * Copyright (C) 2004 The LCD4Linux Team * * 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_text.c,v $ * Revision 1.21 2005/01/18 06:30:24 reinelt * added (C) to all copyright statements * * Revision 1.20 2004/11/29 04:42:07 reinelt * removed the 99999 msec limit on widget update time (thanks to Petri Damsten) * * Revision 1.19 2004/06/26 12:05:00 reinelt * * uh-oh... the last CVS log message messed up things a lot... * * Revision 1.18 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 1.17 2004/03/11 06:39:59 reinelt * big patch from Martin: * - reuse filehandles * - memory leaks fixed * - earlier busy-flag checking with HD44780 * - reuse memory for strings in RESULT and hash * - netdev_fast to wavid time-consuming regex * * Revision 1.16 2004/03/08 16:26:26 reinelt * re-introduced \nnn (octal) characters in strings * text widgets can have a 'update' speed of 0 which means 'never' * (may be used for static content) * * Revision 1.15 2004/03/06 20:31:16 reinelt * Complete rewrite of the evaluator to get rid of the code * from mark Morley (because of license issues). * The new Evaluator does a pre-compile of expressions, and * stores them in trees. Therefore it should be reasonable faster... * * Revision 1.14 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 1.13 2004/02/18 06:39:20 reinelt * T6963 driver for graphic displays finished * * Revision 1.12 2004/02/09 19:49:38 nicowallmeier * Minor bugfix * * Revision 1.11 2004/01/30 20:57:56 reinelt * HD44780 patch from Martin Hejl * dmalloc integrated * * Revision 1.10 2004/01/29 04:40:03 reinelt * every .c file includes "config.h" now * * Revision 1.9 2004/01/23 04:54:04 reinelt * icon widget added (not finished yet!) * * Revision 1.8 2004/01/22 07:57:45 reinelt * several bugs fixed where segfaulting on layout>display * Crystalfontz driver optimized, 632 display already works * * Revision 1.7 2004/01/20 04:51:39 reinelt * moved generic stuff from drv_MatrixOrbital to drv_generic * implemented new-stylish bars which are nearly finishe

# Sweden - Sundsvall/S Stadsberget
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 770000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 754000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 546000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 650000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 522000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE

/* prepare config section */ /* strlen("Widget:")=7 */ section=malloc(strlen(Self->name)+8); strcpy(section, "Widget:"); strcat(section, Self->name); Text=malloc(sizeof(WIDGET_TEXT)); memset (Text, 0, sizeof(WIDGET_TEXT)); /* get raw pre- and postfix (we evaluate it ourselves) */ Text->prefix = cfg_get_raw (section, "prefix", NULL); Text->postfix = cfg_get_raw (section, "postfix", NULL); /* compile pre- and postfix */ Compile (Text->prefix, &Text->pretree); Compile (Text->postfix, &Text->posttree); /* get raw expression (we evaluate it ourselves) */ Text->expression = cfg_get_raw (section, "expression", "''"); Compile (Text->expression, &Text->tree); /* field width, default 10 */ cfg_number (section, "width", 10, 0, -1, &(Text->width)); /* precision: number of digits after the decimal point (default: none) */ /* Note: this is the *maximum* precision on small values, */ /* for larger values the precision may be reduced to fit into the field width. */ /* The default value 0xC0DE is used to distinguish between numbers and strings: */ /* if no precision is given, the result is always treated as a string. If a */ /* precision is specified, the result is treated as a number. */ cfg_number (section, "precision", 0xC0DE, 0, 80, &(Text->precision)); /* field alignment: Left (default), Center, Right or Marquee */ c = cfg_get (section, "align", "L"); switch (toupper(*c)) { case 'L': Text->align=ALIGN_LEFT; break; case 'C': Text->align=ALIGN_CENTER; break; case 'R': Text->align=ALIGN_RIGHT; break; case 'M': Text->align=ALIGN_MARQUEE; break; default: error ("widget %s has unknown alignment '%s', using 'Left'", section, c); Text->align=ALIGN_LEFT; } free (c); /* update interval (msec), default 1 sec, 0 stands for never */ cfg_number (section, "update", 1000, 0, -1, &(Text->update)); /* limit update interval to min 10 msec */ if (Text->update > 0 && Text->update < 10) Text->update = 10; /* marquee scroller speed: interval (msec), default 500msec */ if (Text->align==ALIGN_MARQUEE) { cfg_number (section, "speed", 500, 10, -1, &(Text->speed)); } /* buffer */ Text->buffer=malloc(Text->width+1); free (section); Self->data=Text; /* add update timer, use one-shot if 'update' is zero */ timer_add (widget_text_update, Self, Text->update, Text->update==0); /* a marquee scroller has its own timer and callback */ if (Text->align==ALIGN_MARQUEE) { timer_add (widget_text_scroll, Self, Text->speed, 0); } return 0; } int widget_text_quit (WIDGET *Self) { WIDGET_TEXT *Text; if (Self) { Text=Self->data; if (Self->data) { DelTree(Text->pretree); DelTree(Text->posttree); DelTree(Text->tree); if (Text->preval) free(Text->preval); if (Text->postval) free(Text->postval); if (Text->value) free(Text->value); if (Text->buffer) free(Text->buffer); free (Self->data); Self->data=NULL; } } return 0; } WIDGET_CLASS Widget_Text = { name: "text", init: widget_text_init, draw: NULL, quit: widget_text_quit, };