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/* $Id: Text.c,v 1.4 2001/03/16 16:40:17 ltoetsch Exp $
*
* pure ncurses based text driver
*
* Copyright 2001 by Leopold T�tsch (lt@toetsch.at)
*
* 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: Text.c,v $
* Revision 1.4 2001/03/16 16:40:17 ltoetsch
* implemented time bar
*
* Revision 1.3 2001/03/16 09:28:08 ltoetsch
* bugfixes
*
* Revision 1.2 2001/03/09 15:04:53 reinelt
*
* rename 'raster' to 'Text in Text.c
* added TOTO item
*
* Revision 1.1 2001/03/09 13:08:11 ltoetsch
* Added Text driver
*
*
*/
/*
*
* exported fuctions:
*
* struct LCD Text[]
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <curses.h>
#define min(x,y) (x)<(y)?x:y
#ifdef STANDALONE
int main(int argc, char *argv[])
{
WINDOW *w;
int x,y;
w = initscr();
for (x=0; x < 255; x++)
addch(acs_map[x]);
refresh();
sleep(5);
endwin();
return 0;
}
#else
#include <string.h>
#include "debug.h"
#include "cfg.h"
#include "display.h"
extern int foreground;
static LCD Lcd;
static WINDOW *w;
WINDOW *err_win;
#define BARS ( BAR_R | BAR_H2 | BAR_T )
int err_rows;
int Text_clear (void)
{
werase(w);
box(w, 0, 0);
return 0;
}
int Text_quit(void) {
endwin();
return 0;
}
int Text_init (LCD *Self)
{
int cols=-1, rows=-1;
int scr_cols, scr_rows;
char *s;
if (!foreground) {
error("Text: you want me to display on /dev/null: sorry, I can't");
return -1;
}
if (sscanf(s=cfg_get("size")?:"20x4", "%dx%d", &cols, &rows)!=2 || rows<1 || cols<1) {
error ("Text: bad size '%s'", s);
return -1;
}
Self->rows=rows;
Self->cols=cols;
Self->xres=1;
Self->yres=1;
Lcd=*Self;
w = initscr();
scr_cols=COLS;
scr_rows=LINES;
delwin(w);
w = newwin(rows+2,cols+2,0,0);
err_rows = scr_rows-rows-3;
err_rows = min(99, err_rows);
if (err_rows >= 4) {
err_win = newwin(err_rows, scr_cols, rows+3, 0);
err_rows -= 3;
box(err_win, 0, 0);
mvwprintw(err_win,0,3, "Stderr:");
wmove(err_win, 1 , 0);
wrefresh(err_win);
}
Text_clear();
return w ? 0 : -1;
}
/* ncures scroll SIGSEGVs on my system, so this is a workaroud */
int curs_err(char *buffer)
{
static int lines;
static char *lb[100];
int start, i;
char *p;
if (err_win) {
/* replace \r, \n with underscores */
while ((p = strpbrk(buffer, "\r\n")) != NULL)
*p='_';
if (lines >= err_rows) {
free(lb[0]);
for (i=1; i<=err_rows; i++)
lb[i-1] = lb[i];
start = 0;
}
else
start = lines;
lb[lines] = strdup(buffer);
for (i=start; i<=lines; i++) {
mvwprintw(err_win,i+1,1, "%s", lb[i]);
wclrtoeol(err_win);
}
box(err_win, 0, 0);
mvwprintw(err_win,0,3, "Stderr:");
wrefresh(err_win);
if (lines < err_rows)
lines++;
return 1;
}
return 0;
}
int Text_put (int row, int col, char *text)
{
char *p;
if ((p = strpbrk(text, "\r\n")) != NULL)
*p='\0';
if (col < Lcd.cols)
mvwprintw(w, row+1 , col+1, "%.*s", Lcd.cols-col, text);
return 0;
}
int Text_bar (int type, int row, int col, int max, int len1, int len2)
{
int len, i;
if (cfg_get("TextBar"))
mvwprintw(w, row+1 , col+1, "%d %d %d", max, len1, len2);
else {
len = min(len1, len2);
len = min(len, Lcd.cols-col-1);
if (len) {
wmove(w, row+1 , col+1);
for (i=0; i<len;i++)
waddch(w,ACS_BLOCK);
}
col += len;
len1 -= len;
len2 -= len;
len1 = min(len1, Lcd.cols-col-1);
for (i=0; i<len1;i++)
waddch(w,ACS_S1);
len2 = min(len2, Lcd.cols-col-1);
for (i=0; i<len2;i++)
waddch(w,ACS_S9);
}
return 0;
}
int Text_gpo (int num, int val)
{
return 0;
}
int Text_flush (void)
{
box(w, 0, 0);
wrefresh(w);
return 0;
}
LCD Text[] = {
{ "Text",4,20,1,1,BARS,0,
Text_init,Text_clear,Text_put,Text_bar,Text_gpo,Text_flush,Text_quit },
{ NULL }
};
#endif
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