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/* $XConsortium: sin_strg.c,v 5.2 91/04/05 15:02:32 hersh 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
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
******************************************************************/
/*
* 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/AsciiText.h>
static void
reset_string_measure( device )
Sin_input_device *device;
{
XawTextPosition pos;
Widget src;
XawTextBlock block;
src = XawTextGetSource( device->item_handle.string.textw );
/* Find end of text and remember it. */
pos = XawTextSourceScan( src, 0, XawstAll, XawsdRight, 1, TRUE );
device->data.string.last_pos = pos;
if ( device->data.string.init_string ) {
/* Insert the initial string. */
block.firstPos = 0;
block.length = strlen( device->data.string.init_string );
block.ptr = device->data.string.init_string;
block.format = FMT8BIT;
XawTextReplace( device->item_handle.string.textw, pos, pos, &block );
}
XawTextSetInsertionPoint( device->item_handle.string.textw,
pos + device->data.string.edit_pos );
}
static void
update_string( device )
Sin_input_device *device;
{
Sin_string_device_data *data = &device->data.string;
String string;
Arg args[1];
Widget src;
XawTextPosition pos;
data->string[0] = '\0';
src = XawTextGetSource( device->item_handle.string.textw );
pos = XawTextSourceScan( src, 0, XawstAll, XawsdRight, 1, TRUE );
/* Buffer is "empty" if text has been deleted up to or before the
* last start position.
*/
if ( pos >= data->last_pos ) {
XtSetArg( args[0], XtNstring, (XtArgVal)&string );
XtGetValues( device->item_handle.string.textw, args, ONE );
strncat( data->string, &string[data->last_pos], data->buf_size );
}
}
XtActionProc
phg_sin_xt_string_event( w, event, params, num_params )
Widget w;
XEvent *event;
String *params;
Cardinal *num_params;
{
Sin_input_device *device;
XFindContext( XtDisplay(w), XtWindow(w), phg_sin_device_context_id,
(caddr_t*)&device );
update_string( device );
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 );
else
reset_string_measure( device );
}
}
static XtTranslations compiled_translations;
static String translations = "\
<Key>Return: newline() StringEvent() RequestSatisfied() \n\
";
static void
create_string( device )
Sin_input_device *device;
{
char buf[20];
Sin_string_handle *widgets = &device->item_handle.string;
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, "string%d", device->num );
widgets->shell =
XtVaCreatePopupShell( buf, applicationShellWidgetClass, parent, NULL );
/* Create the containing viewport. */
widgets->pane = XtVaCreateManagedWidget( "viewport", viewportWidgetClass,
device->item_handle.string.shell,
NULL );
/* Create the device. */
widgets->textw = XtVaCreateManagedWidget( "text", asciiTextWidgetClass,
widgets->pane,
NULL );
if ( !compiled_translations ) {
compiled_translations = XtParseTranslationTable( translations );
}
XtOverrideTranslations( widgets->textw, compiled_translations );
}
static void
enable_string( device )
Sin_input_device *device;
{
/* Only create it if it's going to be used. */
if ( !device->item_handle.string.shell )
create_string( device );
reset_string_measure( device );
XtPopup( device->item_handle.string.shell, XtGrabNone );
if ( !device->flags.been_up_yet ) {
XSaveContext( XtDisplay(device->item_handle.string.textw),
XtWindow(device->item_handle.string.textw),
phg_sin_device_context_id, (caddr_t)device );
device->flags.been_up_yet = 1;
}
}
static void sample_string( device )
Sin_input_device *device;
{
if ( !device->item_handle.string.shell )
create_string( device );
update_string( device );
}
static void
disable_string( device )
Sin_input_device *device;
{
if ( device->item_handle.string.shell )
XtPopdown( device->item_handle.string.shell );
}
static void
destroy_string( device )
Sin_input_device *device;
{
if ( device->item_handle.string.shell )
XtDestroyWidget( device->item_handle.string.shell );
}
void
phg_sin_dev_boot_string( dev )
Sin_input_device *dev;
{
switch ( dev->data.string.type ) {
case WST_STRING_TYPE_WINDOW:
dev->item_handle.string.shell = (Widget)NULL;
dev->item_handle.string.pane = (Widget)NULL;
dev->item_handle.string.textw = (Widget)NULL;
dev->dev_ops.reset = NULL;
dev->dev_ops.sample = sample_string;
dev->dev_ops.resize = NULL;
dev->dev_ops.repaint = NULL;
dev->dev_ops.destroy = destroy_string;
dev->dev_ops.create = NULL;
dev->dev_ops.init = NULL;
dev->dev_ops.enable = enable_string;
dev->dev_ops.disable = disable_string;
break;
}
}
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