Return to scrsize.c CVS log

Up to [local] / src / usr.bin / less

Annotation of src/usr.bin/less/scrsize.c, Revision 1.1

1.1     ! millert     1: /*
        !             2:  * Copyright (C) 1984-2002  Mark Nudelman
        !             3:  *
        !             4:  * You may distribute under the terms of either the GNU General Public
        !             5:  * License or the Less License, as specified in the README file.
        !             6:  *
        !             7:  * For more information about less, or for information on how to
        !             8:  * contact the author, see the README file.
        !             9:  */
        !            10:
        !            11: /*
        !            12:  * This program is used to determine the screen dimensions on OS/2 systems.
        !            13:  * Adapted from code written by Kyosuke Tokoro (NBG01720@nifty.ne.jp).
        !            14:  */
        !            15:
        !            16: /*
        !            17:  * When I wrote this routine, I consulted some part of the source code
        !            18:  * of the xwininfo utility by X Consortium.
        !            19:  *
        !            20:  * Copyright (c) 1987, X Consortium
        !            21:  *
        !            22:  * Permission is hereby granted, free of charge, to any person obtaining a copy
        !            23:  * of this software and associated documentation files (the "Software"), to
        !            24:  * deal in the Software without restriction, including without limitation the
        !            25:  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
        !            26:  * sell copies of the Software, and to permit persons to whom the Software is
        !            27:  * furnished to do so, subject to the following conditions:
        !            28:  *
        !            29:  * The above copyright notice and this permission notice shall be included in
        !            30:  * all copies or substantial portions of the Software.
        !            31:  *
        !            32:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
        !            33:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
        !            34:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
        !            35:  * X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
        !            36:  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
        !            37:  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
        !            38:  *
        !            39:  * Except as contained in this notice, the name of the X Consortium shall not
        !            40:  * be used in advertising or otherwise to promote the sale, use or other
        !            41:  * dealings in this Software without prior written authorization from the X
        !            42:  * Consortium.
        !            43:  */
        !            44: #include <X11/Xlib.h>
        !            45: #include <X11/Xutil.h>
        !            46: #include <stdlib.h>
        !            47: #include <stdio.h>
        !            48:
        !            49: static int get_winsize(dpy, window, p_width, p_height)
        !            50:        Display *dpy;
        !            51:        Window window;
        !            52:        int *p_width;
        !            53:        int *p_height;
        !            54: {
        !            55:        XWindowAttributes win_attributes;
        !            56:        XSizeHints hints;
        !            57:        long longjunk;
        !            58:
        !            59:        if (!XGetWindowAttributes(dpy, window, &win_attributes))
        !            60:                return 1;
        !            61:        if (!XGetWMNormalHints(dpy, window, &hints, &longjunk))
        !            62:                return 1;
        !            63:        if (!(hints.flags & PResizeInc))
        !            64:                return 1;
        !            65:        if (hints.width_inc == 0 || hints.height_inc == 0)
        !            66:                return 1;
        !            67:        if (!(hints.flags & (PBaseSize|PMinSize)))
        !            68:                return 1;
        !            69:        if (hints.flags & PBaseSize)
        !            70:        {
        !            71:                win_attributes.width -= hints.base_width;
        !            72:                win_attributes.height -= hints.base_height;
        !            73:        } else
        !            74:        {
        !            75:                win_attributes.width -= hints.min_width;
        !            76:                win_attributes.height -= hints.min_height;
        !            77:        }
        !            78:        *p_width = win_attributes.width / hints.width_inc;
        !            79:        *p_height = win_attributes.height / hints.height_inc;
        !            80:        return 0;
        !            81: }
        !            82:
        !            83: int main(argc, argv)
        !            84:        int argc;
        !            85:        char *argv[];
        !            86: {
        !            87:        char *cp;
        !            88:        Display *dpy;
        !            89:        int size[2];
        !            90:
        !            91:        _scrsize(size);
        !            92:        cp = getenv("WINDOWID");
        !            93:        if (cp != NULL)
        !            94:        {
        !            95:                dpy = XOpenDisplay(NULL);
        !            96:                if (dpy != NULL)
        !            97:                {
        !            98:                        get_winsize(dpy, (Window) atol(cp), &size[0], &size[1]);
        !            99:                        XCloseDisplay(dpy);
        !           100:                }
        !           101:        }
        !           102:        printf("%i %i\n", size[0], size[1]);
        !           103:        return (0);
        !           104: }