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[src/trunk]: src/games/cgram cgram: allow navigation with KEY_PPAGE and KEY_N...
details: https://anonhg.NetBSD.org/src/rev/d519dc836195
branches: trunk
changeset: 952953:d519dc836195
user: rillig <rillig%NetBSD.org@localhost>
date: Sun Feb 21 22:21:56 2021 +0000
description:
cgram: allow navigation with KEY_PPAGE and KEY_NPAGE
diffstat:
games/cgram/cgram.c | 20 ++++++++++++--------
1 files changed, 12 insertions(+), 8 deletions(-)
diffs (51 lines):
diff -r 22e5b7db42a2 -r d519dc836195 games/cgram/cgram.c
--- a/games/cgram/cgram.c Sun Feb 21 21:26:26 2021 +0000
+++ b/games/cgram/cgram.c Sun Feb 21 22:21:56 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cgram.c,v 1.10 2021/02/21 20:33:42 rillig Exp $ */
+/* $NetBSD: cgram.c,v 1.11 2021/02/21 22:21:56 rillig Exp $ */
/*-
* Copyright (c) 2013, 2021 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: cgram.c,v 1.10 2021/02/21 20:33:42 rillig Exp $");
+__RCSID("$NetBSD: cgram.c,v 1.11 2021/02/21 22:21:56 rillig Exp $");
#endif
#include <assert.h>
@@ -361,8 +361,8 @@
static void
saturate_cursor(void)
{
- assert(cursor_y >= 0);
- assert(cursor_y <= cur_max_y());
+ cursor_y = imax(cursor_y, 0);
+ cursor_y = imin(cursor_y, cur_max_y());
assert(cursor_x >= 0);
cursor_x = imin(cursor_x, cur_max_x());
@@ -445,13 +445,17 @@
break;
case 14: /* ^N */
case KEY_DOWN:
- if (cursor_y < cur_max_y())
- cursor_y++;
+ cursor_y++;
break;
case 16: /* ^P */
case KEY_UP:
- if (cursor_y > 0)
- cursor_y--;
+ cursor_y--;
+ break;
+ case KEY_PPAGE:
+ cursor_y -= LINES - 2;
+ break;
+ case KEY_NPAGE:
+ cursor_y += LINES - 2;
break;
case '*':
hinting = !hinting;
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