freebsd-nq/contrib/dialog/mousewget.c
2018-10-20 20:49:46 +00:00

96 lines
2.2 KiB
C

/*
* $Id: mousewget.c,v 1.24 2017/01/31 00:27:21 tom Exp $
*
* mousewget.c -- mouse/wgetch support for dialog
*
* Copyright 2000-2016,2017 Thomas E. Dickey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License, version 2.1
* as published by the Free Software Foundation.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to
* Free Software Foundation, Inc.
* 51 Franklin St., Fifth Floor
* Boston, MA 02110, USA.
*/
#include <dialog.h>
#include <dlg_keys.h>
static int
mouse_wgetch(WINDOW *win, int *fkey, bool ignore_errs)
{
int mouse_err = FALSE;
int key;
do {
key = dlg_getc(win, fkey);
#if USE_MOUSE
mouse_err = FALSE;
if (key == KEY_MOUSE) {
MEVENT event;
mseRegion *p;
if (getmouse(&event) != ERR) {
DLG_TRACE(("# mouse-click abs %d,%d (rel %d,%d)\n",
event.y, event.x,
event.y - getbegy(win),
event.x - getbegx(win)));
if ((p = dlg_mouse_region(event.y, event.x)) != 0) {
key = DLGK_MOUSE(p->code);
} else if ((p = dlg_mouse_bigregion(event.y, event.x)) != 0) {
int x = event.x - p->x;
int y = event.y - p->y;
int row = (p->X - p->x) / p->step_x;
key = -(p->code);
switch (p->mode) {
case 1: /* index by lines */
key += y;
break;
case 2: /* index by columns */
key += (x / p->step_x);
break;
default:
case 3: /* index by cells */
key += (x / p->step_x) + (y * row);
break;
}
} else {
(void) beep();
mouse_err = TRUE;
}
} else {
(void) beep();
mouse_err = TRUE;
}
}
#endif
} while (ignore_errs && mouse_err);
return key;
}
int
dlg_mouse_wgetch(WINDOW *win, int *fkey)
{
return mouse_wgetch(win, fkey, TRUE);
}
int
dlg_mouse_wgetch_nowait(WINDOW *win, int *fkey)
{
return mouse_wgetch(win, fkey, FALSE);
}