/* $XConsortium: sin_cho.c,v 5.5 94/04/17 20:42:03 rws Exp $ */

/***********************************************************

Copyright (c) 1989, 1990, 1991  X Consortium

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.

Copyright 1989, 1990, 1991 by Sun Microsystems, Inc. 

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in 
supporting documentation, and that the name of Sun Microsystems,
not be used in advertising or publicity pertaining to distribution of 
the software without specific, written prior permission.  

SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT 
SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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******************************************************************/

/*
 * Default device specific routines for input.
 */

#include "phg.h"
#include "ws_type.h"
#include "sin.h"
#include "sin_priv.h"
#include <X11/Shell.h>
#include <X11/Xaw/Viewport.h>
#include <X11/Xaw/List.h>


static void
choice_notify( w, client_data, call_data )
    Widget	w;
    XtPointer	client_data;
    XtPointer	call_data;
{
    XawListReturnStruct		*selection = (XawListReturnStruct*)call_data;
    Sin_input_device		*device = (Sin_input_device *)client_data;
    Sin_choice_device_data	*data = &device->data.choice;

    data->cur_choice = selection->list_index + 1;
    if ( device->mode == SIN_EVENT ) {
	unsigned	status;
	status = phg_sin_ws_enque_events( 1, &device );
	if ( SIN_EVENT_NOT_ENQUED(status) )
	    XBell( XtDisplay(w), 0 );
    }
    /* The action proc takes care of REQUEST.  No additional action needed
     * for SAMPLE.
     */
}

static void
enable_choice( device )
    Sin_input_device	*device;
{
    Widget			w;
    char			buf[256];
    Sin_choice_device_data	*data = &device->data.choice;
    Widget			parent = device->ws->shell;

    /* Most options are not explicitly set so that the user can override
     * them.  Fallbacks are specified instead (elsewhere).
     */

    /* Create the containing shell. */
    sprintf( buf, "choice%d", device->num );
    device->item_handle.choice.shell =
	XtVaCreatePopupShell( buf, applicationShellWidgetClass, parent,
	    NULL );

    /* Create the containing viewport. */
    device->item_handle.choice.viewport =
	XtVaCreateManagedWidget( "viewport", viewportWidgetClass,
	    device->item_handle.choice.shell,
	    NULL );

    /* Create the list. */
    w = device->item_handle.choice.list =
	XtVaCreateManagedWidget( "list", listWidgetClass,
	    device->item_handle.choice.viewport,
	    XtNnumberStrings, (XtArgVal)data->count,
	    XtNlist, (XtArgVal)data->choices.strings,
	    NULL );
    XawListHighlight( device->item_handle.choice.list, data->cur_choice - 1 );
    XtAddCallback( device->item_handle.choice.list,
	XtNcallback, choice_notify, (XtPointer)device );

    XtPopup( device->item_handle.choice.shell, XtGrabNone );
    if ( device->mode == SIN_REQUEST_PENDING )
	XSaveContext( XtDisplay(w), XtWindow(w), phg_sin_device_context_id,
	    (caddr_t)device );
}

static void
disable_choice( device )
    Sin_input_device	*device;
{
    XtDestroyWidget( device->item_handle.choice.shell );
}

void
phg_sin_dev_boot_choice( dev )
    Sin_input_device	*dev;
{
    switch ( dev->data.choice.type ) {
	case WST_CHOICE_TYPE_LIST:
	    dev->dev_ops.reset = NULL;
	    dev->dev_ops.sample = NULL;
	    dev->dev_ops.resize = NULL;
	    dev->dev_ops.repaint = NULL;
	    dev->dev_ops.destroy = NULL;
	    dev->dev_ops.create = NULL;
	    dev->dev_ops.init = NULL;
	    dev->dev_ops.enable = enable_choice;
	    dev->dev_ops.disable = disable_choice;
	    break;
    }
}