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Diffstat (limited to '')
-rw-r--r-- | widget.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/widget.c b/widget.c new file mode 100644 index 0000000..0c01481 --- /dev/null +++ b/widget.c @@ -0,0 +1,102 @@ +/* $Id: widget.c,v 1.1 2003/09/19 03:51:29 reinelt Exp $ + * + * generic widget handling + * + * written 2003 by Michael Reinelt (reinelt@eunet.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: widget.c,v $ + * Revision 1.1 2003/09/19 03:51:29 reinelt + * minor fixes, widget.c added + * + */ + +/* + * exported functions: + * + * int widget_junk(void) + * does something + * + */ + + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "debug.h" +#include "cfg.h" +#include "widget.h" + +static int ROWS=0; +static int COLS=0; +static int XRES=0; +static int YRES=0; + +static int *Screen=NULL; +static WIDGET *Widget=NULL; +static int nWidget=0; + + +int widget_init (int rows, int cols, int xres, int yres) +{ + if (rows<1 || cols<1) + return -1; + + ROWS=rows; + COLS=cols; + XRES=xres; + YRES=yres; + + if ((Screen=malloc(ROWS*COLS*sizeof(*Screen)))==NULL) { + error ("widget buffer allocation failed: out of memory?"); + return -1; + } + + nWidget=0; + Widget=NULL; +return 0; +} + + +void widget_clear (void) +{ + int n; + + for (n=0; n<ROWS*COLS; n++) { + Screen[n]=-1; + } + +} + + +int widget_add () +{ + nWidget++; + Widget=realloc(Widget, nWidget*sizeof(*Widget)); + + return 0; +} + + +int widget_peek (int row, int col) +{ + if (Screen) + return Screen[row*COLS+col]; + else + return -1; +} |