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/*********************************************************************************/
/* This file is part of Xcolorsel, a multipurpose viewer for X11 rgb.txt files. */
/* Copyright (C) 1993, 1994 Michael Weller */
/* */
/* This program is free software; you can redistribute it and/or modify it under */
/* the terms of the GNU General Public License as published be the Free Software */
/* Foundation; either version 2 of the License, or (at your opinion) any later */
/* version. */
/* */
/* This program is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANBILITY or FITNESS */
/* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more */
/* details. */
/* */
/* You should have received a copy of the GNU General Public License along with */
/* this program; if not, write to the Free Software Foundation, Inc., 675 Mass */
/* Ave, Cambridge, MA 02139, USA. */
/* */
/* The author can be reached by means of email as eowmob@exp-math.uni-essen.de */
/* or eowmob@pollux.exp-math.uni-essen.de or mat42b@vm.hrz.uni-essen.de or */
/* mat42b@de0hrz1a.bitnet. Or as: Michael Weller, Heiderhoefen 116b, D 46049 */
/* Oberhausen, Germany. */
/* */
/* Part of the files are derived from the Template Widget of the Athena Widgets */
/* as published by the Massachusetts Institute of Technology. Actually these */
/* files do not contain any code by the M.I.T but only variable declarations. */
/* Nevertheless these parts of these files are still distributed under the terms */
/* of the M.I.T copyright which are here repeated: */
/* */
/* Copyright Massachusetts Institute of Technology 1987, 1988 */
/* */
/* 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. */
/*********************************************************************************/
/******************************************************************************************
* This defines an RgbSrc Object. This is a subclass of an AsciiSrc. It is designed to *
* to be used by an RgbText Object. The only difference to an AsciiSrc is a special scan *
* function. *
******************************************************************************************/
/* This was inspirated from: */
/* $XConsortium: Template.c,v 1.4 91/02/17 16:18:42 converse Exp $ */
/* Copyright Massachusetts Institute of Technology 1987, 1988
*
* 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.
*
*/
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <X11/Xaw3d/XawInit.h>
#include "RgbSrcP.h"
/* workaround for Xaw 7.x */
#if (defined(XawVersion) && (XawVersion <= 7000002L))
typedef XawTextPosition (*_XawTextPositionFunc)();
#endif
/* No resources */
/* No actions */
/* Both are in RgbText! */
/* No actions no translations */
static void initialize(Widget request, Widget new, ArgList args, Cardinal *numargs);
static XawTextPosition myscan(Widget w, XawTextPosition position, XawTextScanType type,
XawTextScanDirection dir, int count, Boolean include);
RgbSrcClassRec rgbSrcClassRec = {
{ /* object fields */
/* ====== */
/* superclass */ (WidgetClass) &asciiSrcClassRec,
/* class_name */ "RgbSrc",
/* widget_size */ sizeof(RgbSrcRec),
/* class_initialize */ NULL,
/* class_part_initialize */ NULL,
/* class_inited */ FALSE,
/* initialize */ initialize,
/* initialize_hook */ NULL,
/* realize */ NULL,
/* actions */ NULL,
/* num_actions */ 0,
/* resources */ NULL,
/* num_resources */ 0,
/* xrm_class */ NULLQUARK,
/* compress_motion */ 0,
/* compress_exposure */ 0,
/* compress_enterleave */ 0,
/* visible_interest */ 0,
/* destroy */ NULL,
/* resize */ NULL,
/* expose */ NULL,
/* set_values */ NULL,
/* set_values_hook */ NULL,
/* set_values_almost */ NULL,
/* get_values_hook */ NULL,
/* accept_focus */ NULL,
/* version */ XtVersion,
/* callback_private */ NULL,
/* tm_table */ NULL,
/* query_geometry */ NULL,
/* display_accelerator */ NULL,
/* extension */ NULL
},
{ /* text_src fields */
/* Read */ XtInheritRead,
/* Replace */ XtInheritReplace,
/* Scan */ (_XawTextPositionFunc)myscan,
/* Search */ XtInheritSearch,
/* SetSelection */ XtInheritSetSelection,
/* ConvertSelection */ XtInheritConvertSelection,
},
{ /* ascii_src fields */
/* empty */ 0
},
{ /* rgb_src fields */
/* empty */ 0
}
};
WidgetClass rgbSrcObjectClass = (WidgetClass)&rgbSrcClassRec;
#define rgbparent(widget) (*(RgbTextRec *)XtParent(widget))
#define myself(widget) (*(RgbSrcRec *)(widget))
static void initialize(Widget request, Widget new, ArgList args, Cardinal *numargs)
{
XtCheckSubclass(XtParent(new),rgbTextWidgetClass,
"rgbSrc: Didn't I say that my parent has to be a subclass of RgbText?\n");
}
static XawTextPosition myscan(Widget w, XawTextPosition position, XawTextScanType type,
XawTextScanDirection dir, int count, Boolean include)
{
char *ptr,*start,*end;
XawTextPosition offset;
if(type!=XawstWhiteSpace)
return (*(((AsciiSrcClassRec *)(rgbSrcClassRec.object_class.superclass))->text_src_class.Scan))
(w, position, type, dir, count, include);
start=rgbparent(w).rgb_text.asciirep;
while(count--)
{
/* find position in line: */
ptr=start+position;
while(ptr>start)
{
if(*(ptr-1)=='\n')break;
ptr--;
}
offset=position-(ptr-start);
if(dir==XawsdLeft)
{
if(offset<rgbparent(w).rgb_text.startofrgb)
position=0;
else if(offset<=rgbparent(w).rgb_text.endofrgb)
{
position=rgbparent(w).rgb_text.startofrgb;
if(include==True)
position=0;
}
else if(offset<=rgbparent(w).rgb_text.endofrgb+3)
{
position=rgbparent(w).rgb_text.endofrgb;
position=0;
}
else {
position=rgbparent(w).rgb_text.endofrgb+3;
if(include==True)
position=rgbparent(w).rgb_text.endofrgb;
}
}
else {
end=strchr(ptr,'\n');
if(!end)end=strchr(ptr,0);
if(offset>=rgbparent(w).rgb_text.endofrgb+3)
{
position=(end-ptr);
if(include==True)
position++;
}
else if(offset>=rgbparent(w).rgb_text.endofrgb)
{
position=rgbparent(w).rgb_text.endofrgb+3;
position=0;
}
else if(offset>=rgbparent(w).rgb_text.startofrgb)
{
position=rgbparent(w).rgb_text.endofrgb;
if(include==True)
position=rgbparent(w).rgb_text.endofrgb+3;
}
else position=0;
}
position=((ptr+position)-start);
}
/*printf("%lu\n",(unsigned long)position);*/
return position;
}
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