126 lines
2.9 KiB
C
126 lines
2.9 KiB
C
/* $NetBSD: mouse.c,v 1.1 2020/03/23 13:37:36 roy Exp $ */
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/*-
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* Copyright (c) 2020 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Roy Marples.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: mouse.c,v 1.1 2020/03/23 13:37:36 roy Exp $");
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#endif /* not lint */
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#include "curses.h"
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#include "curses_private.h"
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#define DEFAULT_MAXCLICK 166 /* ncurses default */
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/*
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* Return true if screen relative y and x are enclosed by the window.
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*/
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bool
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wenclose(const WINDOW *win, int y, int x)
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{
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if (y < win->begy || y > win->begy + win->maxy ||
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x < win->begx || x > win->begx + win->maxx)
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return false;
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return true;
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}
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bool
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mouse_trafo(int *y, int *x, bool to_screen)
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{
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return wmouse_trafo(stdscr, y, x, to_screen);
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}
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/*
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* Transform y and x from screen relative to window relative
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*/
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bool wmouse_trafo(const WINDOW *win, int *y, int *x, bool to_screen)
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{
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int wy = *y, wx = *x;
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if (to_screen) {
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wy += win->begy;
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wx += win->begx;
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}
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if (!wenclose(win, wy, wx))
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return false;
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if (!to_screen) {
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wy -= win->begy;
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wx -= win->begx;
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}
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*y = wy;
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*x = wx;
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return true;
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}
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/*
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* The below functions actually need some kind of mouse support.
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* We should look into wsmouse(4) support at least as well as xterm.
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*/
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bool
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has_mouse(void)
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{
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return false;
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}
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int
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getmouse(__unused MEVENT *event)
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{
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return ERR;
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}
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int
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ungetmouse(__unused MEVENT *event)
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{
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return ERR;
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}
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mmask_t
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mousemask(__unused mmask_t newmask, __unused mmask_t *oldmask)
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{
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return 0;
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}
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int
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mouseinterval(__unused int erval)
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{
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return DEFAULT_MAXCLICK;
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}
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