283 lines
9.2 KiB
C
283 lines
9.2 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* 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 these librararies and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*******************************************************************************
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**
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** deskset.c
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**
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** $TOG: deskset.c /main/4 1999/02/03 15:35:56 mgreess $
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**
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** RESTRICTED CONFIDENTIAL INFORMATION:
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**
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** The information in this document is subject to special
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** restrictions in a confidential disclosure agreement between
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** HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
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** document outside HP, IBM, Sun, USL, SCO, or Univel without
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** Sun's specific written approval. This document and all copies
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** and derivative works thereof must be returned or destroyed at
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** Sun's request.
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**
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** Copyright 1993 Sun Microsystems, Inc. All rights reserved.
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**
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*******************************************************************************/
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/* *
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* (c) Copyright 1993, 1994 Hewlett-Packard Company *
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* (c) Copyright 1993, 1994 International Business Machines Corp. *
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* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
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* (c) Copyright 1993, 1994 Novell, Inc. *
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*/
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#ifndef lint
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static char sccsid[] = "@(#)deskset.c 1.11 94/12/22 Copyr 1993 Sun Microsystems, Inc.";
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#endif
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#include <EUSCompat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <string.h>
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#ifndef SVR4
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#include <strings.h>
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#endif /* SVR4 */
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#include <ctype.h>
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#include <pwd.h>
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#include <unistd.h>
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#include <X11/X.h>
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#include <X11/Intrinsic.h>
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#include <X11/Xutil.h>
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#include <Xm/Xm.h>
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#include <Dt/Dt.h>
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#include "deskset.h"
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#include "revision.h"
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#define DS_TITLE_LINE_HEIGHT 25
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/******************************************************************************
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**
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** Function: ds_relname
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**
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** Description: Return revision name.
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**
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** Parameters: None
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**
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** Returns: Revision name (char *)
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**
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******************************************************************************/
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extern char *
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ds_relname()
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{
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static char buf[MAXNAMELEN];
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sprintf(buf, "Version %d.%d.%d Revision %d",
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DtVERSION, DtREVISION, DtUPDATE_LEVEL,
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DTCM_INTERNAL_REV);
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return buf;
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}
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/*
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* Function: ds_position_popup
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*
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* Description: Position a popup relative to the parent frame
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* making sure it doesn't go off of the screen.
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*
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* Parameters: base Popup's parent widget
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* popup Popup widget
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* location_op Where you would like the popup to
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* appear. Location_op may be any
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* the following:
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*
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* DS_POPUP_LEFT Place the popup to the left of base with the tops flush
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* DS_POPUP_RIGHT Place the popup to the right of base with the tops flush
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* DS_POPUP_ABOVE Place the popup above base with the left edges flush
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* DS_POPUP_BELOW Place the popup below base with the left edges flush
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* DS_POPUP_LOR Place the popup either to the left or right of base
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* depending on which side has the most space.
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* DS_POPUP_AOF Place the popup either above or below base
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* depending on which side has the most space.
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* DS_POPUP_CENTERED Center popup within baseframe
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*
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* Returns: 0 Could not get screen size
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* 1 All is well
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*/
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extern int
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ds_position_popup(Widget base, Widget popup, ds_location_op location_op) {
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int bh, bw, bx, by, ph, pw, px, py ;
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int screen_width, screen_height ;
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Position base_x, base_y, popup_x, popup_y ;
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Dimension base_width, base_height, popup_width, popup_height ;
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XtVaGetValues(base,
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XmNx, &base_x,
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XmNy, &base_y,
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XmNwidth, &base_width,
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XmNheight, &base_height,
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NULL) ;
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bx = (int) base_x ;
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by = (int) base_y ;
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bw = (int) base_width ;
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bh = (int) base_height ;
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XtVaGetValues(popup,
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XmNx, &popup_x,
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XmNy, &popup_y,
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XmNwidth, &popup_width,
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XmNheight, &popup_height,
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NULL) ;
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px = (int) popup_x ;
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py = (int) popup_y ;
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pw = (int) popup_width ;
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ph = (int) popup_height ;
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ds_get_screen_size(popup, &screen_width, &screen_height) ;
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if (location_op == DS_POPUP_LOR)
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{
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if (bx >= screen_width - bw - bx) location_op = DS_POPUP_LEFT ;
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else location_op = DS_POPUP_RIGHT ;
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}
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else if (location_op == DS_POPUP_AOB)
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{
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if (by > screen_height - bh - by) location_op = DS_POPUP_ABOVE ;
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else location_op = DS_POPUP_BELOW ;
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}
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switch (location_op)
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{
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case DS_POPUP_RIGHT : px = bx + bw + 5 ;
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py = by - DS_TITLE_LINE_HEIGHT ;
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break ;
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case DS_POPUP_LEFT : px = bx - pw - 5 ;
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py = by - DS_TITLE_LINE_HEIGHT ;
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break ;
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case DS_POPUP_ABOVE : px = bx - 5 ;
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py = by - ph - 10 ;
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break ;
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case DS_POPUP_BELOW : px = bx - 5 ;
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py = by + bh + 5 ;
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break ;
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case DS_POPUP_CENTERED :
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default : px = bx + (bw - pw) / 2 ;
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py = by + (bh - ph) / 2 ;
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}
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ds_force_popup_on_screen(popup, &px, &py) ;
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return 1;
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}
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/* Function: ds_force_popup_on_screen
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*
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* Description: Make sure that the specified widget appears entirely
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* on the screen.
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*
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* You specify the x and y where you would like the
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* popup to appear. If this location would cause any
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* portion of the popup to appear off of the screen
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* then the routine makes the minimum adjustments
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* necessary to move it onto the screen.
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*
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* NOTE: The following coordinates must be specified
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* relative to the screen origin *not* the
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* parent widget!
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*
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* Parameters: popup_x_p Pointer to x location where you would
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* like the popup to appear. If the popup
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* is moved this is updated to reflect
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* the new position.
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* popup_y_p Pointer to y location where you would
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* like the popup to appear. If the popup
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* is moved this is updated to reflect
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* the new position.
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*
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* popup Popup`s widget.
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*
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* Returns: TRUE The popup was moved
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* FALSE The popup was not moved
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*/
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extern int
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ds_force_popup_on_screen(Widget popup, int *popup_x_p, int *popup_y_p) {
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Dimension popup_width, popup_height ;
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Position left, top ;
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int popup_x, popup_y ;
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int n, rcode, screen_width, screen_height ;
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popup_x = *popup_x_p ;
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popup_y = *popup_y_p ;
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/* Get the screen size */
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ds_get_screen_size(popup, &screen_width, &screen_height) ;
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XtVaGetValues(popup,
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XmNwidth, &popup_width,
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XmNheight, &popup_height,
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NULL) ;
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/* Make sure frame does not go off side of screen */
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n = popup_x + (int) popup_width ;
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if (n > screen_width) popup_x -= (n - screen_width) ;
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else if (popup_x < 0) popup_x = 0 ;
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/* Make sure frame doen't go off top or bottom */
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n = popup_y + (int) popup_height ;
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if (n > screen_height) popup_y -= n - screen_height ;
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else if (popup_y < 0) popup_y = 0 ;
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/* Set location and return */
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left = (Position) popup_x ;
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top = (Position) popup_y ;
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XtVaSetValues(popup,
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XmNx, left,
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XmNy, top,
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NULL) ;
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if (popup_x != *popup_x_p || popup_y != *popup_y_p) rcode = TRUE ;
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else rcode = FALSE ;
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*popup_x_p = popup_x ;
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*popup_y_p = popup_y ;
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return(rcode) ;
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}
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/* Function: ds_get_screen_size
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*
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* Description: Get the width and height of the screen in pixels
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*
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* Parameters: width_p Pointer to an integer to place width
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* height_p Pointer to an integer to place height
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*
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* Returns: None.
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*/
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extern void
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ds_get_screen_size(Widget widget, int *width_p, int *height_p) {
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Display *dpy = XtDisplay(widget) ;
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int screen = DefaultScreen(dpy) ;
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*width_p = DisplayWidth(dpy, screen) ;
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*height_p = DisplayHeight(dpy, screen) ;
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}
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