113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
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/* This file contains code for X-CHESS.
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Copyright (C) 1986 Free Software Foundation, Inc.
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This file is part of X-CHESS.
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X-CHESS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY. No author or distributor
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accepts responsibility to anyone for the consequences of using it
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or for whether it serves any particular purpose or works at all,
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unless he says so in writing. Refer to the X-CHESS General Public
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License for full details.
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Everyone is granted permission to copy, modify and redistribute
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X-CHESS, but only under the conditions described in the
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X-CHESS General Public License. A copy of this license is
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supposed to have been given to you along with X-CHESS so you
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can know your rights and responsibilities. It should be in a
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file named COPYING. Among other things, the copyright notice
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and this notice must be preserved on all copies. */
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/* RCS Info: $Revision: 1.2 $ on $Date: 86/11/26 12:10:38 $
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* $Source: /users/faustus/xchess/RCS/popup.c,v $
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* Copyright (c) 1986 Wayne A. Christopher, U. C. Berkeley CAD Group
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* faustus@cad.berkeley.edu, ucbvax!faustus
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* Permission is granted to modify and re-distribute this code in any manner
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* as long as this notice is preserved. All standard disclaimers apply.
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*
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* A simple pop-up menu system.
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*/
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#include "xchess.h"
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/* Open a small window with some text in it and two buttons -- yes and no.
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* Use black and white pixel, and the medium font.
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*/
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bool
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pop_question(win, text)
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windata *win;
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char *text;
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{
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char *s, *t;
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int nlines = 1, ncols = 0, i = 0, j;
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int x, y;
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Window w;
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bool ch;
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XEvent ev;
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for (s = text; *s; s++) {
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if ((*s == '\n') && s[1])
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nlines++;
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if ((*s == '\n') || !s[1]) {
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if (i > ncols)
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ncols = i;
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i = 0;
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} else
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i++;
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}
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if (ncols < 12)
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ncols = 12;
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nlines += 4;
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ncols += 4;
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x = (BASE_WIDTH - ncols * win->medium->max_bounds.width) / 2;
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y = (BASE_HEIGHT - nlines * win->medium->max_bounds.ascent) / 2;
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w = XCreateSimpleWindow(win->display, win->basewin,
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x, y, ncols * win->medium->max_bounds.width,
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nlines * win->medium->ascent,
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BORDER_WIDTH, win->border.pixel,
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win->textback.pixel);
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XMapRaised(win->display, w);
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XSetFont(win->display, DefaultGC(win->display, 0),
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win->medium->fid);
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for (i = 0, s = text; i < nlines - 4; i++) {
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for (t = s, j = 0; *t && (*t != '\n'); t++, j++)
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;
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XDrawString(win->display, w, DefaultGC(win->display, 0),
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(ncols - j) / 2 * win->medium->max_bounds.width,
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(i + 1) * win->medium->ascent,
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s, j);
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s = t + 1;
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}
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XDrawString(win->display, w, DefaultGC(win->display, 0),
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(ncols - 8) * win->medium->max_bounds.width / 4,
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(nlines - 2) * win->medium->ascent,
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"YES", 3);
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XDrawString(win->display, w, DefaultGC(win->display, 0),
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(ncols - 4) * win->medium->max_bounds.width * 3 / 4,
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(nlines - 2) * win->medium->ascent,
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"NO", 2);
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XSync(win->display, 0);
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XSelectInput(win->display, w, ButtonPressMask);
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XWindowEvent(win->display, w, ButtonPressMask, &ev);
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x = ev.xkey.x;
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y = ev.xkey.y;
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if (x > ncols * win->medium->max_bounds.width / 2)
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ch = false;
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else
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ch = true;
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XDestroyWindow(win->display, w);
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XSync(win->display, 0);
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return (ch);
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}
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