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Aminet 45
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Aminet 45 (2001)(GTI - Schatztruhe)[!][Oct 2001].iso
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x3270_3_2_16.lha
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Cme.c
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/* (from) $XConsortium: Sme.c,v 1.9 91/02/17 16:44:14 rws Exp $ */
/*
* Modifications Copyright 1995, 1999, 2000 by Paul Mattes.
* 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.
*
* 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.
*/
/*
* Cme.c - Source code for the generic menu entry
* (from) Sme.c - Source code for the generic menu entry
*
* Date: September 26, 1989
*
* By: Chris D. Peterson
* MIT X Consortium
* kit@expo.lcs.mit.edu
*/
#include "globals.h"
#if defined(X3270_MENUS) /*[*/
#include <stdio.h>
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <X11/Xaw/XawInit.h>
#include "CmeP.h"
#include <X11/Xaw/Cardinals.h>
#define offset(field) XtOffsetOf(CmeRec, cme.field)
static XtResource resources[] = {
{XtNcallback, XtCCallback, XtRCallback, sizeof(XtPointer),
offset(callbacks), XtRCallback, (XtPointer)NULL},
};
#undef offset
/*
* Semi Public function definitions.
*/
static void Highlight(Widget);
static void Unhighlight(Widget);
static void Notify(Widget);
static void ClassPartInitialize(WidgetClass);
static void Initialize(Widget, Widget, ArgList, Cardinal *);
static XtGeometryResult QueryGeometry(Widget, XtWidgetGeometry *,
XtWidgetGeometry *);
#define SUPERCLASS (&rectObjClassRec)
CmeClassRec cmeClassRec = {
{
/* superclass */ (WidgetClass) SUPERCLASS,
/* class_name */ "Cme",
/* size */ sizeof(CmeRec),
/* class_initialize */ XawInitializeWidgetSet,
/* class_part_initialize*/ ClassPartInitialize,
/* Class init'ed */ FALSE,
/* initialize */ Initialize,
/* initialize_hook */ NULL,
/* realize */ NULL,
/* actions */ NULL,
/* num_actions */ ZERO,
/* resources */ resources,
/* resource_count */ XtNumber(resources),
/* xrm_class */ NULLQUARK,
/* compress_motion */ FALSE,
/* compress_exposure */ FALSE,
/* compress_enterleave*/ FALSE,
/* visible_interest */ FALSE,
/* destroy */ NULL,
/* resize */ NULL,
/* expose */ NULL,
/* set_values */ NULL,
/* set_values_hook */ NULL,
/* set_values_almost */ XtInheritSetValuesAlmost,
/* get_values_hook */ NULL,
/* accept_focus */ NULL,
/* intrinsics version */ XtVersion,
/* callback offsets */ NULL,
/* tm_table */ NULL,
/* query_geometry */ QueryGeometry,
/* display_accelerator*/ NULL,
/* extension */ NULL
},{
/* Complex Menu Entry Fields */
/* highlight */ Highlight,
/* unhighlight */ Unhighlight,
/* notify */ Notify,
/* extension */ NULL
}
};
WidgetClass cmeObjectClass = (WidgetClass) &cmeClassRec;
/************************************************************
*
* Semi-Public Functions.
*
************************************************************/
/* Function Name: ClassPartInitialize
* Description: handles inheritance of class functions.
* Arguments: class - the widget classs of this widget.
* Returns: none.
*/
static void
ClassPartInitialize(WidgetClass class)
{
CmeObjectClass m_ent, superC;
m_ent = (CmeObjectClass) class;
superC = (CmeObjectClass) m_ent->rect_class.superclass;
/*
* We don't need to check for null super since we'll get to TextSink
* eventually.
*/
if (m_ent->cme_class.highlight == XtInheritHighlight)
m_ent->cme_class.highlight = superC->cme_class.highlight;
if (m_ent->cme_class.unhighlight == XtInheritUnhighlight)
m_ent->cme_class.unhighlight = superC->cme_class.unhighlight;
if (m_ent->cme_class.notify == XtInheritNotify)
m_ent->cme_class.notify = superC->cme_class.notify;
}
/* Function Name: Initialize
* Description: Initializes the complex menu widget
* Arguments: request - the widget requested by the argument list.
* new - the new widget with both resource and non
* resource values.
* Returns: none.
*
* MENU ENTRIES CANNOT HAVE BORDERS.
*/
static void
Initialize(Widget request unused, Widget new, ArgList args unused,
Cardinal *num_args unused)
{
CmeObject entry = (CmeObject) new;
entry->rectangle.border_width = 0;
}
/* Function Name: Highlight
* Description: The default highlight proceedure for menu entries.
* Arguments: w - the menu entry.
* Returns: none.
*/
static void
Highlight(Widget w unused)
{
/* This space intentionally left blank. */
}
/* Function Name: Unhighlight
* Description: The default unhighlight proceedure for menu entries.
* Arguments: w - the menu entry.
* Returns: none.
*/
static void
Unhighlight(Widget w unused)
{
/* This space intentionally left blank. */
}
/* Function Name: Notify
* Description: calls the callback proceedures for this entry.
* Arguments: w - the menu entry.
* Returns: none.
*/
static void
Notify(Widget w)
{
XtCallCallbacks(w, XtNcallback, NULL);
}
/* Function Name: QueryGeometry.
* Description: Returns the preferred geometry for this widget.
* Arguments: w - the menu entry object.
* itended, return - the intended and return geometry info.
* Returns: A Geometry Result.
*
* See the Intrinsics manual for details on what this function is for.
*
* I just return the height and a width of 1.
*/
static XtGeometryResult
QueryGeometry(Widget w, XtWidgetGeometry *intended,
XtWidgetGeometry *return_val)
{
CmeObject entry = (CmeObject) w;
Dimension width;
XtGeometryResult ret_val = XtGeometryYes;
XtGeometryMask mode = intended->request_mode;
width = 1; /* we can be really small. */
if ( ((mode & CWWidth) && (intended->width != width)) ||
!(mode & CWWidth) ) {
return_val->request_mode |= CWWidth;
return_val->width = width;
mode = return_val->request_mode;
if ( (mode & CWWidth) && (width == entry->rectangle.width) )
return(XtGeometryNo);
return(XtGeometryAlmost);
}
return(ret_val);
}
#endif /*]*/