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/*
* $Id: CutPaste.c,v 1.2.1.5 1994/05/13 14:09:54 mallet Exp $
*
* Copyright (c) 1991-1994 Lionel MALLET
*
* 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 Lionel MALLET 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 Lionel MALLET shall
* not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization
* from Lionel MALLET.
*
* Author: Lionel Mallet, SIMULOG
*/
/*
* $XConsortium: CutAndPaste.c,v 1.1 90/06/09 20:20:17 dmatic Exp $
*
* Copyright 1989 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, 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 M.I.T. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. M.I.T. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
* 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.
*
* Author: Davor Matic, MIT X Consortium
*/
#include <X11/IntrinsicP.h>
#include <X11/Xmu/Converters.h>
#include <X11/StringDefs.h>
#include <X11/Xatom.h>
#include <X11/Xos.h>
#include "PixmapP.h"
#include <stdio.h>
#include <math.h>
#define XtStrlen(s) ((s) ? strlen(s) : 0)
#define abs(x) (((x) > 0) ? (x) : -(x))
#define min(x, y) (((x) < (y)) ? (x) : (y))
#define max(x, y) (((x) > (y)) ? (x) : (y))
/*****************************************************************************
* Cut and Paste *
*****************************************************************************/
Boolean ConvertSelection(w, selection, target, type, value, length, format)
Widget w;
Atom *selection, *target, *type;
XtPointer *value;
unsigned long *length;
int *format;
{
PixmapWidget PW = (PixmapWidget) w;
Pixmap *pixmap;
XImage *image;
Dimension width, height;
switch (*target) {
/*
case XA_TARGETS:
*type = XA_ATOM;
*value = (XtPointer) pixmapClassRec.pixmap_class.targets;
*length = pixmapClassRec.pixmap_class.num_targets;
*format = 32;
return True;
*/
case XA_BITMAP:
case XA_PIXMAP:
if (!PWQueryMarked(w)) return False;
width = PW->pixmap.mark.to_x - PW->pixmap.mark.from_x + 1;
height = PW->pixmap.mark.to_y - PW->pixmap.mark.from_y + 1;
image = CreatePixmapImage(PW, width, height);
CopyImageData(PW->pixmap.image, image,
PW->pixmap.mark.from_x, PW->pixmap.mark.from_y,
PW->pixmap.mark.to_x, PW->pixmap.mark.to_y, 0, 0);
pixmap = (Pixmap *) XtMalloc(sizeof(Pixmap));
*pixmap = GetPixmap(PW, image);
DestroyPixmapImage(&image);
*type = XA_PIXMAP;
*value = (XtPointer) pixmap;
*length = 1;
*format = 32;
return True;
case XA_STRING:
*type = XA_STRING;
*value = "Hello world!\n";
*length = XtStrlen(*value);
*format = 8;
return True;
default:
return False;
}
}
void LoseSelection(w, selection)
Widget w;
Atom *selection;
{
PixmapWidget PW = (PixmapWidget) w;
if (_PWDEBUG)
fprintf(stderr, "Lost Selection\n");
PW->pixmap.selection.own = False;
PWUnmark(w);
}
void SelectionDone(w, selection, target)
Widget w;
Atom *selection, *target;
{
/*
PixmapWidget PW = (PixmapWidget) w;
if (*target != XA_TARGETS)
XtFree(PW->pixmap.value);
*/
}
#if NeedFunctionPrototypes
void PWGrabSelection(Widget w, Time time)
#else
void PWGrabSelection(w, time)
Widget w;
Time time;
#endif
{
PixmapWidget PW = (PixmapWidget) w;
PW->pixmap.selection.own = XtOwnSelection(w, XA_PRIMARY, time,
ConvertSelection,
LoseSelection,
SelectionDone);
if (_PWDEBUG && PW->pixmap.selection.own)
fprintf(stderr, "Own the selection\n");
}
void SelectionCallback(w, client_data, selection, type, value, length, format)
Widget w;
XtPointer client_data;
Atom *selection, *type;
XtPointer value;
unsigned long *length;
int *format;
{
PixmapWidget PW = (PixmapWidget) w;
Pixmap *pixmap;
switch (*type) {
case XA_BITMAP:
case XA_PIXMAP:
DestroyPixmapImage(&PW->pixmap.storage);
DestroyMaskImage(&PW->pixmap.mask_storage);
pixmap = (Pixmap *) value;
PW->pixmap.storage = GetImage(PW, *pixmap);
PW->pixmap.mask_storage =
CreateMaskImage(PW,
(Dimension) PW->pixmap.mask_image->width,
(Dimension) PW->pixmap.mask_image->height);
XFreePixmap(XtDisplay(w), *pixmap);
break;
case XA_STRING:
if (_PWDEBUG)
fprintf(stderr, "Received:%s\n", (char *)value);
break;
default:
XtAppWarning(XtWidgetToApplicationContext(w),
" selection request failed. PixmapWidget");
break;
}
PW->pixmap.selection.limbo = FALSE;
}
#if NeedFunctionPrototypes
void PWRequestSelection(Widget w, Time time, Boolean wait)
#else
void PWRequestSelection(w, time, wait)
Widget w;
Time time;
Boolean wait;
#endif
{
PixmapWidget PW = (PixmapWidget) w;
XtGetSelectionValue(w, XA_PRIMARY, XA_PIXMAP,
SelectionCallback, NULL, time);
PW->pixmap.selection.limbo = TRUE;
if (wait)
while (PW->pixmap.selection.limbo) {
XEvent event;
XtAppNextEvent(XtWidgetToApplicationContext(w), &event);
XtDispatchEvent(&event);
}
}
/*****************************************************************************/
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