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/*************************************<+>*************************************
*****************************************************************************
**
** File: WorkSpace.c
**
** Project: X Widgets
**
** Description: Contains code for workSpace widget class.
**
*****************************************************************************
**
** Copyright (c) 1988 by Hewlett-Packard Company
** Copyright (c) 1988 by the Massachusetts Institute of Technology
**
** 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 names of
** Hewlett-Packard or M.I.T. not be used in advertising or publicity
** pertaining to distribution of the software without specific, written
** prior permission.
**
*****************************************************************************
*************************************<+>*************************************/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <X11/StringDefs.h>
#include <X11/keysymdef.h>
#include <X11/IntrinsicP.h>
#include <X11/Intrinsic.h>
#include <Xw/Xw.h>
#include <Xw/XwP.h>
#include <Xw/WorkSpace.h>
#include <Xw/WorkSpaceP.h>
/* Event procedures referenced in the actions list */
static void KeyDown();
static void Select();
static void Release();
/* Default translation table and action list */
static char defaultTranslations[] =
"<KeyDown>: keydown()\n\
<BtnDown>: select()\n\
<BtnUp>: release()\n\
<EnterWindow>: enter()\n\
<LeaveWindow>: leave()";
static XtActionsRec actionsList[] =
{
{ "keydown", (XtActionProc) KeyDown },
{ "select", (XtActionProc) Select },
{ "release", (XtActionProc) Release },
{ "enter", (XtActionProc) _XwPrimitiveEnter },
{ "leave", (XtActionProc) _XwPrimitiveLeave },
};
/* Resource list for WorkSpace */
static XtResource resources[] =
{
{
XtNexpose, XtCCallback, XtRCallback, sizeof (caddr_t),
XtOffset (XwWorkSpaceWidget, workSpace.expose),
XtRPointer, (caddr_t) NULL
},
{
XtNresize, XtCCallback, XtRCallback, sizeof (caddr_t),
XtOffset (XwWorkSpaceWidget, workSpace.resize),
XtRPointer, (caddr_t) NULL
},
{
XtNkeyDown, XtCCallback, XtRCallback, sizeof (caddr_t),
XtOffset (XwWorkSpaceWidget, workSpace.key_down),
XtRPointer, (caddr_t) NULL
}
};
/* Static routine definitions */
static void Initialize();
static void Redisplay();
static void Resize();
static void Destroy();
static Boolean SetValues();
/* The WorkSpace class record definition */
XwWorkSpaceClassRec XwworkSpaceClassRec =
{
{
(WidgetClass) &XwprimitiveClassRec, /* superclass */
"WorkSpace", /* class_name */
sizeof(XwWorkSpaceRec), /* widget_size */
NULL, /* class_initialize */
NULL, /* class_part_initialize */
FALSE, /* class_inited */
(XtInitProc) Initialize, /* initialize */
NULL, /* initialize_hook */
_XwRealize, /* realize */
actionsList, /* actions */
XtNumber(actionsList), /* num_actions */
resources, /* resources */
XtNumber(resources), /* num_resources */
NULLQUARK, /* xrm_class */
TRUE, /* compress_motion */
TRUE, /* compress_exposure */
TRUE, /* compress_enterleave */
FALSE, /* visible_interest */
(XtWidgetProc) Destroy, /* destroy */
(XtWidgetProc) Resize, /* resize */
(XtExposeProc) Redisplay, /* expose */
(XtSetValuesFunc) SetValues, /* set_values */
NULL, /* set_values_hook */
XtInheritSetValuesAlmost, /* set_values_almost */
NULL, /* get_values_hook */
NULL, /* accept_focus */
XtVersion, /* version */
NULL, /* callback private */
defaultTranslations, /* tm_table */
NULL, /* query_geometry */
/* display_accelerator */ XtInheritDisplayAccelerator,
/* extension */ NULL
},
{
NULL, /* Primitive border_highlight */
NULL, /* Primitive border_unhighlight */
NULL, /* Primitive select_proc */
NULL, /* Primitive release_proc */
NULL, /* Primitive toggle_proc */
}
};
WidgetClass XwworkSpaceWidgetClass = (WidgetClass) &XwworkSpaceClassRec;
/************************************************************************
*
* Initialize
* The main widget instance initialization routine.
*
************************************************************************/
static void Initialize (request, new)
XwWorkSpaceWidget request, new;
{
if (request -> core.width == 0)
new -> core.width += 20;
if (request -> core.height == 0)
new -> core.height += 20;
}
/************************************************************************
*
* Redisplay
* Draw the traversal/enter border, and
* invoke the application exposure callbacks.
*
************************************************************************/
static void Redisplay (hw, event, region)
XwWorkSpaceWidget hw;
XEvent * event;
Region region;
{
if (hw -> primitive.highlighted)
_XwHighlightBorder (hw);
else if (hw -> primitive.display_highlighted)
_XwUnhighlightBorder (hw);
XtCallCallbacks ((Widget)hw, XtNexpose, region);
}
/************************************************************************
*
* Resize
* Invoke the application resize callbacks.
*
************************************************************************/
static void Resize (hw)
XwWorkSpaceWidget hw;
{
XtCallCallbacks ((Widget)hw, XtNresize, NULL);
}
/************************************************************************
*
* Destroy
* Remove the callback lists.
*
************************************************************************/
static void Destroy (hw)
XwWorkSpaceWidget hw;
{
XtRemoveAllCallbacks ((Widget)hw, XtNexpose);
XtRemoveAllCallbacks ((Widget)hw, XtNresize);
XtRemoveAllCallbacks ((Widget)hw, XtNkeyDown);
}
/************************************************************************
*
* SetValues
*
************************************************************************/
static Boolean SetValues (current, request, new)
XwWorkSpaceWidget current, request, new;
{
return (False);
}
/************************************************************************
*
* KeyDown
* This function processes key presses occuring on the workSpace.
*
************************************************************************/
static void KeyDown (hw, event)
XwWorkSpaceWidget hw;
XButtonPressedEvent * event;
{
XtCallCallbacks ((Widget)hw, XtNkeyDown, event);
}
/************************************************************************
*
* Select
* This function processes selections occuring on the workSpace.
*
************************************************************************/
static void Select (hw, event)
XwWorkSpaceWidget hw;
XButtonPressedEvent * event;
{
XtCallCallbacks ((Widget)hw, XtNselect, event);
}
/************************************************************************
*
* Release
* This function processes releases occuring on the workSpace.
*
************************************************************************/
static void Release (hw, event)
XwWorkSpaceWidget hw;
XEvent * event;
{
XtCallCallbacks ((Widget)hw, XtNrelease, event);
}
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