minix/dist/nvi/motif_l/m_copypaste.c

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/* $NetBSD: m_copypaste.c,v 1.1.1.2 2008/05/18 14:31:26 aymeric Exp $ */
/*-
* Copyright (c) 1996
* Rob Zimmermann. All rights reserved.
* Copyright (c) 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "Id: m_copypaste.c,v 8.10 2003/11/05 17:09:59 skimo Exp (Berkeley) Date: 2003/11/05 17:09:59";
#endif /* not lint */
/* ICCCM Cut and paste Utilities: */
#include <sys/types.h>
#include <sys/queue.h>
#include <X11/X.h>
#include <X11/Intrinsic.h>
#include <X11/Xatom.h>
#include <bitstring.h>
#include <stdio.h>
#undef LOCK_SUCCESS
#include "../common/common.h"
#include "../ipc/ip.h"
#include "m_motif.h"
typedef int (*PFI)();
static PFI icccm_paste,
icccm_copy,
icccm_clear,
icccm_error;
/*
* InitCopyPaste --
*
* PUBLIC: void __vi_InitCopyPaste
* PUBLIC: __P((int (*)(), int (*)(), int (*)(), int (*)()));
*/
void
__vi_InitCopyPaste(PFI f_copy, PFI f_paste, PFI f_clear, PFI f_error)
{
icccm_paste = f_paste;
icccm_clear = f_clear;
icccm_copy = f_copy;
icccm_error = f_error;
}
#if defined(__STDC__)
static void peekProc( Widget widget,
void *data,
Atom *selection,
Atom *type,
void *value,
unsigned long *length,
int *format
)
#else
static void peekProc( widget, data, selection, type, value, length, format )
Widget widget;
void *data;
Atom *selection, *type;
void *value;
unsigned long *length;
int *format;
#endif
{
if ( *type == 0 )
(*icccm_error)( stderr, "Nothing in the primary selection buffer");
else if ( *type != XA_STRING )
(*icccm_error)( stderr, "Unknown type return from selection");
else
XtFree( value );
}
#if 0
#if defined(__STDC__)
void _vi_AcquireClipboard( Widget wid )
#else
void _vi_AcquireClipboard( wid )
Widget wid;
#endif
{
XtGetSelectionValue( wid,
XA_PRIMARY,
XA_STRING,
(XtSelectionCallbackProc) peekProc,
NULL,
XtLastTimestampProcessed( XtDisplay(wid) )
);
}
#endif
#if defined(__STDC__)
static void loseProc( Widget widget )
#else
static void loseProc( widget )
Widget widget;
#endif
{
/* we have lost ownership of the selection. clear it */
(*icccm_clear)( widget );
/* also participate in the protocols */
XtDisownSelection( widget,
XA_PRIMARY,
XtLastTimestampProcessed( XtDisplay(widget) )
);
}
#if defined(__STDC__)
static int convertProc( Widget widget,
Atom *selection,
Atom *target,
Atom *type,
void **value,
int *length,
int *format
)
#else
static int convertProc( widget, selection, target, type, value, length, format )
Widget widget;
Atom *selection, *target, *type;
void **value;
int *length;
int *format;
#endif
{
String buffer;
int len;
/* someone wants a copy of the selection. is there one? */
(*icccm_copy)( &buffer, &len );
if ( len == 0 ) return False;
/* do they want the string? */
if ( *target == XA_STRING ) {
*length = len;
*value = (void *) XtMalloc( len );
*type = XA_STRING;
*format = 8;
memcpy( (char *) *value, buffer, *length );
return True;
}
/* do they want the length? */
if ( *target == XInternAtom( XtDisplay(widget), "LENGTH", FALSE) ) {
*length = 1;
*value = (void *) XtMalloc( sizeof(int) );
*type = *target;
*format = 32;
* ((int *) *value) = len;
return True;
}
/* we lose */
return False;
}
/*
* __vi_AcquirePrimary --
*
* PUBLIC: void __vi_AcquirePrimary __P((Widget));
*/
void
__vi_AcquirePrimary(Widget widget)
{
/* assert we own the primary selection */
XtOwnSelection( widget,
XA_PRIMARY,
XtLastTimestampProcessed( XtDisplay(widget) ),
(XtConvertSelectionProc) convertProc,
(XtLoseSelectionProc) loseProc,
NULL
);
#if defined(OPENLOOK)
/* assert we also own the clipboard */
XtOwnSelection( widget,
XA_CLIPBOARD( XtDisplay(widget) ),
XtLastTimestampProcessed( XtDisplay(widget) ),
convertProc,
loseProc,
NULL
);
#endif
}
#if defined(__STDC__)
static void gotProc( Widget widget,
void *data,
Atom *selection,
Atom *type,
void *value,
unsigned long *length,
int *format
)
#else
static void gotProc( widget, data, selection, type, value, length, format )
Widget widget;
void *data;
Atom *selection, *type;
void *value;
unsigned long *length;
int *format;
#endif
{
if ( *type == 0 )
(*icccm_error)( stderr, "Nothing in the primary selection buffer");
else if ( *type != XA_STRING )
(*icccm_error)( stderr, "Unknown type return from selection");
else {
(*icccm_paste)( widget, value, *length );
XtFree( value );
}
}
/*
* __vi_PasteFromClipboard --
*
* PUBLIC: void __vi_PasteFromClipboard __P((Widget));
*/
void
__vi_PasteFromClipboard(Widget widget)
{
XtGetSelectionValue( widget,
XA_PRIMARY,
XA_STRING,
(XtSelectionCallbackProc) gotProc,
NULL,
XtLastTimestampProcessed( XtDisplay(widget) )
);
}