X-Git-Url: http://git.shiar.net/netris.git/blobdiff_plain/c11ae0d113cc5f60bfd1bed29b47211013f8adef..ec797c133bd83404f6167fb46c098c236333d168:/curses.c

diff --git a/curses.c b/curses.c
index 2d93900..047efa4 100644
--- a/curses.c
+++ b/curses.c
@@ -1,6 +1,6 @@
 /*
- * Netris -- A free networked version of Tetris
- * Copyright (C) 1994,1995  Mark Weaver <Mark_Weaver@brown.edu>
+ * Netris -- A free networked version of T*tris
+ * Copyright (C) 1994,1995,1996  Mark H. Weaver <mhw@netris.org>
  * 
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -16,7 +16,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
- * $Id: curses.c,v 1.29 1995/07/11 08:53:21 mhw Exp $
+ * $Id: curses.c,v 1.32 1996/02/09 08:47:25 mhw Exp $
  */
 
 #include "netris.h"
@@ -35,22 +35,34 @@ static EventGenRec keyGen =
 static int boardYPos[MAX_SCREENS], boardXPos[MAX_SCREENS];
 static int statusYPos, statusXPos;
 
+static char *term_vi;	/* String to make cursor invisible */
+static char *term_ve;	/* String to make cursor visible */
+
 ExtFunc void InitScreens(void)
 {
 	MySigSet oldMask;
 
+	GetTermcapInfo();
+
+	/*
+	 * Do this atomically.  Otherwise a badly timed Ctrl-C during
+	 * initialization will leave your terminal in a bad state.
+	 */
 	BlockSignals(&oldMask, SIGINT, 0);
 	initscr();
 	AtExit(CleanupScreens);
 	RestoreSignals(NULL, &oldMask);
+
 	cbreak();
 	noecho();
+	OutputTermStr(term_vi, 0);
 	AddEventGen(&keyGen);
+
 	move(0, 0);
 	addstr("Netris ");
 	addstr(version_string);
-	addstr(" (C) 1994,1995  Mark Weaver         "
-		"\"netris -h\" for more info");
+	addstr(" (C) 1994,1995,1996  Mark H. Weaver     "
+			"\"netris -h\" for more info");
 	statusYPos = 22;
 	statusXPos = 0;
 }
@@ -59,6 +71,72 @@ ExtFunc void CleanupScreens(void)
 {
 	RemoveEventGen(&keyGen);
 	endwin();
+	OutputTermStr(term_ve, 1);
+}
+
+ExtFunc void GetTermcapInfo(void)
+{
+	char *term, *buf, *data;
+	int bufSize = 10240;
+
+	if (!(term = getenv("TERM")))
+		return;
+	if (tgetent(scratch, term) == 1) {
+		/*
+		 * Make the buffer HUGE, since tgetstr is unsafe.
+		 * Allocate it on the heap too.
+		 */
+		data = buf = malloc(bufSize);
+
+		/*
+		 * There is no standard include file for tgetstr, no prototype
+		 * definitions.  I like casting better than using my own prototypes
+		 * because if I guess the prototype, I might be wrong, especially
+		 * with regards to "const".
+		 */
+		term_vi = (char *)tgetstr("vi", &data);
+		term_ve = (char *)tgetstr("ve", &data);
+
+		/* Okay, so I'm paranoid; I just don't like unsafe routines */
+		if (data > buf + bufSize)
+			fatal("tgetstr overflow, you must have a very sick termcap");
+
+		/* Trim off the unused portion of buffer */
+		buf = realloc(buf, data - buf);
+	}
+
+	/*
+	 * If that fails, use hardcoded vt220 codes.
+	 * They don't seem to do anything bad on vt100's, so
+	 * we'll try them just in case they work.
+	 */
+	if (!term_vi || !term_ve) {
+		static char *vts[] = {
+				"vt100", "vt101", "vt102",
+				"vt200", "vt220", "vt300",
+				"vt320", "vt400", "vt420",
+				"screen", "xterm", NULL };
+		int i;
+
+		for (i = 0; vts[i]; i++)
+			if (!strcmp(term, vts[i]))
+			{
+				term_vi = "\033[?25l";
+				term_ve = "\033[?25h";
+				break;
+			}
+	}
+	if (!term_vi || !term_ve)
+		term_vi = term_ve = NULL;
+}
+
+ExtFunc void OutputTermStr(char *str, int flush)
+{
+	if (str) {
+		fputs(str, stdout);
+		if (flush)
+			fflush(stdout);
+	}
 }
 
 ExtFunc void InitScreen(int scr)
@@ -133,10 +211,10 @@ ExtFunc void PlotUnderline(int scr, int x, int flag)
 ExtFunc void ShowDisplayInfo(void)
 {
 	move(statusYPos - 9, statusXPos);
-	printw("Seed = %d", initSeed);
+	printw("Seed: %d", initSeed);
 	clrtoeol();
 	move(statusYPos - 8, statusXPos);
-	printw("Speed = %dms", speed / 1000);
+	printw("Speed: %dms", speed / 1000);
 	clrtoeol();
 	if (robotEnable) {
 		move(statusYPos - 6, statusXPos);
@@ -207,6 +285,11 @@ ExtFunc void RefreshScreen(void)
 	refresh();
 }
 
+ExtFunc void ScheduleFullRedraw(void)
+{
+	touchwin(stdscr);
+}
+
 static MyEventType KeyGenFunc(EventGenRec *gen, MyEvent *event)
 {
 	if (MyRead(gen->fd, &event->u.key, 1))
@@ -215,3 +298,7 @@ static MyEventType KeyGenFunc(EventGenRec *gen, MyEvent *event)
 		return E_none;
 }
 
+/*
+ * vi: ts=4 ai
+ * vim: noai si
+ */