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cdesktop/cde/programs/dtcm/dtcm/deskset.c
Peter Howkins 35dc4283e4 dtcm: Change to ANSI function definitions
2018-06-28 04:10:42 +01:00

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