wavemon.git - wavemon Debian packaging

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Diffstat (limited to 'contrib/wavemon.SlackBuild')

-rwxr-xr-x

1 files changed, 0 insertions, 87 deletions

/* $Id: drv_Curses.c,v 1.8 2004/06/26 12:04:59 reinelt Exp $ * * pure ncurses based text driver * * Copyright 2004 Michael Reinelt <reinelt@eunet.at> * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> * * based on the old Curses/Text driver which is * Copyright 2001 Leopold Toetsch <lt@toetsch.at> * * 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: drv_Curses.c,v $ * Revision 1.8 2004/06/26 12:04:59 reinelt * * uh-oh... the last CVS log message messed up things a lot... * * Revision 1.7 2004/06/26 09:27:20 reinelt * * added '-W' to CFLAGS * changed all C++ comments to C ones * cleaned up a lot of signed/unsigned mistakes * * Revision 1.6 2004/06/20 10:09:54 reinelt * * 'const'ified the whole source * * Revision 1.5 2004/06/06 06:51:59 reinelt * * do not display end splash screen if quiet=1 * * Revision 1.4 2004/06/05 06:41:39 reinelt * * chancged splash screen again * * Revision 1.3 2004/06/05 06:13:11 reinelt * * splash screen for all text-based display drivers * * Revision 1.2 2004/06/02 09:41:19 reinelt * * prepared support for startup splash screen * * Revision 1.1 2004/05/26 11:37:36 reinelt * * Curses driver ported. * */ /* * * exported fuctions: * * struct DRIVER drv_Curses * */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <unistd.h> #include <curses.h> #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_bar.h" #include "drv.h" #include "drv_generic_text.h" static char Name[]="Curses"; static WINDOW *w = NULL; static WINDOW *e = NULL; static int EROWS; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static void drv_Curs_clear (void) { werase (w); box (w, 0, 0); wrefresh (w); } static void drv_Curs_write (const int row, const int col, const char *data, const int len) { int l = len; char *p; while ((p = strpbrk(data, "\r\n")) != NULL) { *p = '\0'; } if (col < DCOLS) { if (DCOLS-col < l ) l = DCOLS-col; mvwprintw(w, row+1 , col+1, "%.*s", l, data); wmove(w, DROWS+1, 0); wrefresh(w); } } static void drv_Curs_defchar (const __attribute__((unused)) int ascii, const __attribute__((unused)) unsigned char *buffer) { /* empty */ } /* ncures scroll SIGSEGVs on my system, so this is a workaroud */ int curses_error(char *buffer) { static int lines = 0; static char *lb[100]; int start, i; char *p; if (e == NULL) return 0; /* replace \r, \n with underscores */ while ((p = strpbrk(buffer, "\r\n")) != NULL) { *p='_'; } if (lines >= EROWS) { free(lb[0]); for (i = 1; i <= EROWS; i++) { lb[i-1] = lb[i]; } start = 0; } else { start = lines; } lb[lines] = strdup(buffer); for (i = start; i <= lines; i++) { mvwprintw(e, i+1, 1, "%s", lb[i]); wclrtoeol(e); } box(e, 0, 0); mvwprintw(e, 0, 3, "Stderr:"); wrefresh(e); if (lines < EROWS) lines++; return 1; } static int drv_Curs_start (const char *section, const int quiet) { char *s; if (!running_foreground) { error("%s: You want me to display on /dev/null? Sorry, I can't ...", Name); error("%s: Maybe you want me to run in foreground? Try '-F'", Name); return -1; } s = cfg_get(section, "Size", "20x4"); if (s == NULL || *s == '\0') { error ("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); free(s); return -1; } if (sscanf(s, "%dx%d", &DCOLS, &DROWS) != 2 || DROWS < 1 || DCOLS < 1) { error ("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source); free(s); return -1; } free (s); initscr(); debug ("%s: curses thinks that COLS=%d LINES=%d", Name, COLS, LINES); w = newwin(DROWS+2, DCOLS+2, 0, 0); EROWS = LINES-DROWS-3; if (EROWS > 99) EROWS = 99; debug ("EROWS=%d", EROWS); if (EROWS >= 4) { e = newwin (EROWS, COLS, DROWS+3, 0); EROWS -= 3; box(e, 0, 0); mvwprintw (e, 0, 3, "Stderr:"); wmove(e, 1 , 0); wrefresh(e); } drv_Curs_clear(); if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet (buffer, NULL)) { sleep (3); drv_Curs_clear(); } } return 0; } /****************************************/ /*** plugins ***/ /****************************************/ /* none at the moment... */ /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /* using drv_generic_text_bar_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_Curs_list (void) { printf ("any"); return 0; } /* initialize driver & display */ int drv_Curs_init (const char *section, const int quiet) { WIDGET_CLASS wc; int ret; /* display preferences */ XRES = 1; /* pixel width of one char */ YRES = 1; /* pixel height of one char */ CHARS = 0; /* number of user-defineable characters */ CHAR0 = 0; /* ASCII of first user-defineable char */ GOTO_COST = 0; /* number of bytes a goto command requires */ /* real worker functions */ drv_generic_text_real_write = drv_Curs_write; drv_generic_text_real_defchar = drv_Curs_defchar; /* start display */ if ((ret = drv_Curs_start (section, quiet)) != 0) { return ret; } /* initialize generic text driver */ if ((ret = drv_generic_text_init(section, Name)) != 0) return ret; /* initialize generic bar driver */ if ((ret = drv_generic_text_bar_init(1)) != 0) return ret; /* add fixed chars to the bar driver */ drv_generic_text_bar_add_segment ( 0, 0,255, 32); /* ASCII 32 = blank */ drv_generic_text_bar_add_segment (255,255,255,'*'); /* asterisk */ /* register text widget */ wc = Widget_Text; wc.draw = drv_generic_text_draw; widget_register(&wc); /* register bar widget */ wc = Widget_Bar; wc.draw = drv_generic_text_bar_draw; widget_register(&wc); /* register plugins */ /* none at the moment... */ return 0; } /* close driver & display */ int drv_Curs_quit (const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_Curs_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet ("goodbye!", NULL); } endwin(); return (0); } DRIVER drv_Curses = { name: Name, list: drv_Curs_list, init: drv_Curs_init, quit: drv_Curs_quit, };


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