/*
* 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 librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $TOG: UIComponent.C /main/9 1998/07/23 17:57:36 mgreess $ */
/*
*+SNOTICE
*
* RESTRICTED CONFIDENTIAL INFORMATION:
*
* The information in this document is subject to special
* restrictions in a confidential disclosure agreement bertween
* HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
* document outside HP, IBM, Sun, USL, SCO, or Univel wihtout
* Sun's specific written approval. This documment and all copies
* and derivative works thereof must be returned or destroyed at
* Sun's request.
*
* Copyright 1993 Sun Microsystems, Inc. All rights reserved.
*
*+ENOTICE
*/
///////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// This example code is from the book:
//
// Object-Oriented Programming with C++ and OSF/Motif
// by
// Douglas Young
// Prentice Hall, 1992
// ISBN 0-13-630252-1
//
// Copyright 1991 by Prentice Hall
// All Rights Reserved
//
// Permission to use, copy, modify, and distribute this software for
// any purpose except publication and without fee is hereby granted, provided
// that the above copyright notice appear in all copies of the software.
///////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////
// UIComponent.C: Base class for all C++/Motif UI components
///////////////////////////////////////////////////////////////
#include
#include "UIComponent.h"
#include
#include
UIComponent::UIComponent ( const char *name ) : BasicComponent ( name )
{
// Empty
_numPendingTasks = 0;
}
void
UIComponent::widgetDestroyedCallback( Widget,
XtPointer clientData,
XtPointer )
{
UIComponent * obj = (UIComponent *) clientData;
obj->widgetDestroyed();
}
void
UIComponent::widgetDestroyed()
{
_w = NULL;
}
void
UIComponent::installDestroyHandler()
{
assert ( _w != NULL );
XtAddCallback ( _w,
XmNdestroyCallback,
&UIComponent::widgetDestroyedCallback,
(XtPointer) this );
}
void
UIComponent::manage()
{
assert ( _w != NULL );
assert ( XtHasCallbacks ( _w, XmNdestroyCallback ) ==
XtCallbackHasSome );
XtManageChild ( _w );
}
void
UIComponent::displayInCurrentWorkspace()
{
Widget w = baseWidget();
while (w && !XtIsShell(w)) w = XtParent(w);
if (w && XtIsShell(w)) displayInCurrentWorkspace(w);
manage();
}
void
UIComponent::displayInCurrentWorkspace(Widget shell)
{
while (shell && !XtIsShell(shell)) shell = XtParent(shell);
// Make sure the shell is popped up and occupying the current workspace.
if (NULL != shell && XtIsShell(shell))
{
Atom pCurrent;
Display *display = XtDisplay(shell);
Window window = XtWindow(shell);
XtVaSetValues(shell, XmNiconic, False, NULL);
XRaiseWindow(display, window);
/* Get the current Workspace */
if (Success == DtWsmGetCurrentWorkspace(
display,
XRootWindowOfScreen(XtScreen(shell)),
&pCurrent))
{
Atom *ws = NULL;
unsigned long num = 0;
int k;
if (Success==DtWsmGetWorkspacesOccupied(display, window, &ws, &num))
{
/* Already in this workspace? */
for (k = 0; k < num; k++)
if (ws[k] == pCurrent) break;
/* Add to the workspace */
if (k >= num)
{
size_t nbytes = sizeof(Atom) * (num+1);
ws = (Atom*) XtRealloc((char*) ws, nbytes);
ws[num] = pCurrent;
DtWsmSetWorkspacesOccupied(display, window, ws, num + 1);
}
XFree((char *)ws);
}
else
/* Change the hints to reflect the current workspace */
DtWsmSetWorkspacesOccupied(display, window, &pCurrent, 1);
}
}
}
UIComponent::~UIComponent()
{
// Make sure the widget hasn't already been destroyed
if ( _w )
{
// Remove destroy callback so Xt can't call the callback
// with a pointer to an object that has already been freed
XtRemoveCallback ( _w,
XmNdestroyCallback,
&UIComponent::widgetDestroyedCallback,
(XtPointer) this );
}
}
void
UIComponent::getResources( const XtResourceList resources,
const int numResources )
{
// Check for errors
assert ( _w != NULL );
assert ( resources != NULL );
// Retrieve the requested resources relative to the
// parent of this object's base widget
// Added support for doing getResources on the Application
if ( XtParent( _w ) )
XtGetSubresources ( XtParent( _w ),
(XtPointer) this,
_name,
className(),
resources,
numResources,
NULL,
0 );
else
XtGetSubresources ( _w ,
(XtPointer) this,
_name,
className(),
resources,
numResources,
NULL,
0 );
}
#ifdef DEAD_WOOD
void
UIComponent::setDefaultResources( const Widget w,
const String *resourceSpec )
{
int i;
Display *dpy = XtDisplay ( w ); // Retrieve the display pointer
XrmDatabase rdb = NULL; // A resource data base
// Create an empty resource database
rdb = XrmGetStringDatabase ( "" );
// Add the Component resources, prepending the name of the component
i = 0;
while ( resourceSpec[i] != NULL )
{
char *buf = new char[1000];
sprintf(buf, "*%s%s", _name, resourceSpec[i++]);
XrmPutLineResource( &rdb, buf );
delete [] buf;
}
// Merge them into the Xt database, with lowest precendence
if ( rdb )
{
XrmDatabase db = XtDatabase(dpy);
XrmCombineDatabase(rdb, &db, FALSE);
}
}
#endif /* DEAD_WOOD */
#ifndef CAN_INLINE_VIRTUALS
const char *const
UIComponent::className(void)
{
return "UIComponent";
}
#endif /* ! CAN_INLINE_VIRTUALS */