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https://github.com/freebsd/freebsd-src
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97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
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* $Id: mousewget.c,v 1.25 2019/07/25 00:06:38 tom Exp $
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*
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* mousewget.c -- mouse/wgetch support for dialog
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*
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* Copyright 2000-2017,2019 Thomas E. Dickey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License, version 2.1
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to
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* Free Software Foundation, Inc.
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* 51 Franklin St., Fifth Floor
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* Boston, MA 02110, USA.
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*/
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#include <dialog.h>
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#include <dlg_keys.h>
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static int
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mouse_wgetch(WINDOW *win, int *fkey, bool ignore_errs)
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{
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int mouse_err = FALSE;
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int key;
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do {
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key = dlg_getc(win, fkey);
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#if USE_MOUSE
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mouse_err = FALSE;
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if (key == KEY_MOUSE) {
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MEVENT event;
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if (getmouse(&event) != ERR) {
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mseRegion *p;
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DLG_TRACE(("# mouse-click abs %d,%d (rel %d,%d)\n",
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event.y, event.x,
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event.y - getbegy(win),
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event.x - getbegx(win)));
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if ((p = dlg_mouse_region(event.y, event.x)) != 0) {
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key = DLGK_MOUSE(p->code);
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} else if ((p = dlg_mouse_bigregion(event.y, event.x)) != 0) {
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int x = event.x - p->x;
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int y = event.y - p->y;
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int row = (p->X - p->x) / p->step_x;
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key = -(p->code);
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switch (p->mode) {
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case 1: /* index by lines */
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key += y;
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break;
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case 2: /* index by columns */
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key += (x / p->step_x);
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break;
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default:
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case 3: /* index by cells */
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key += (x / p->step_x) + (y * row);
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break;
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}
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} else {
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(void) beep();
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mouse_err = TRUE;
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}
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} else {
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(void) beep();
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mouse_err = TRUE;
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}
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}
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#endif
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} while (ignore_errs && mouse_err);
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return key;
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}
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int
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dlg_mouse_wgetch(WINDOW *win, int *fkey)
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{
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return mouse_wgetch(win, fkey, TRUE);
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}
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int
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dlg_mouse_wgetch_nowait(WINDOW *win, int *fkey)
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{
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return mouse_wgetch(win, fkey, FALSE);
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}
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