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/**
*
* $Id: GadgetP.h,v 1.3 2000/09/29 22:51:54 amai Exp $
*
* Copyright (C) 1995 Free Software Foundation, Inc.
* Copyright (C) 1995-2000 LessTif Development Team
*
* This file is part of the GNU LessTif Library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
**/
#ifndef _XM_GADGETP_H
#define _XM_GADGETP_H
#include <Xm/XmP.h>
#ifdef __cplusplus
extern "C" {
#endif
/* The list of event types which are
selectable for input for a gadget */
#define XmNO_EVENT 0x000 /* No Events */
#define XmENTER_EVENT 0x001 /* Enter event */
#define XmLEAVE_EVENT 0x002 /* Leave event */
#define XmFOCUS_IN_EVENT 0x004 /* Focus In event */
#define XmFOCUS_OUT_EVENT 0x008 /* Focus Out event */
#define XmMOTION_EVENT 0x010 /* Button Motion event */
#define XmARM_EVENT 0x020 /* Button 1 Press event */
#define XmACTIVATE_EVENT 0x040 /* Button 1 Release event */
#define XmHELP_EVENT 0x080 /* Help (F1) key event */
#define XmKEY_EVENT 0x100 /* Any Key event */
#define XmMULTI_ARM_EVENT 0x200 /* Double Button 1 Press event */
#define XmMULTI_ACTIVATE_EVENT 0x400 /* Double Button 1 Release event */
#define XmBDRAG_EVENT 0x800 /* Button 2 Press event */
#define XmALL_EVENT 0xFFF /* All the above events */
/*
* cache stuff
*/
typedef struct _XmGadgetCache {
struct _XmGadgetCache *next;
struct _XmGadgetCache *prev;
int ref_count;
} XmGadgetCache, *XmGadgetCachePtr;
typedef struct _XmCacheClassPart {
XmGadgetCache cache_head;
XmCacheCopyProc cache_copy;
XmGadgetCacheProc cache_delete;
XmCacheCompareProc cache_compare;
} XmCacheClassPart, *XmCacheClassPartPtr;
typedef struct _XmGadgetCacheRef {
XmGadgetCache cache;
XtArgVal data;
} XmGadgetCacheRef, *XmGadgetCacheRefPtr;
/* Define the gadget instance part */
typedef struct _XmGadgetPart {
Dimension shadow_thickness;
Dimension highlight_thickness;
XtCallbackList help_callback;
XtPointer user_data;
Boolean traversal_on;
Boolean highlight_on_enter;
Boolean have_traversal;
unsigned char unit_type;
XmNavigationType navigation_type;
Boolean highlight_drawn;
Boolean highlighted;
Boolean visible;
Mask event_mask; /* the events about which this gadget wants to be notified */
XmDirection layout_direction; /* new for 2.0 */
} XmGadgetPart;
/* Define the full instance record */
typedef struct _XmGadgetRec {
ObjectPart object;
RectObjPart rectangle;
XmGadgetPart gadget;
} XmGadgetRec;
/*
* Define class part structures
*/
typedef struct _XmGadgetClassExtRec {
XtPointer next_extension;
XrmQuark record_type;
long version;
Cardinal record_size;
XmWidgetBaselineProc widget_baseline;
XmWidgetDisplayRectProc widget_display_rect;
XmWidgetMarginsProc widget_margins; /* new for 2.0 */
} XmGadgetClassExtRec, *XmGadgetClassExt;
#define XmGadgetClassExtVersion 1L
#define GCEPTR(wc) \
((XmGadgetClassExt *)(&(((XmGadgetClass)(wc))->gadget_class.extension)))
#define _XmGetGadgetClassExtPtr(wc, q) \
((*GCEPTR(wc) && (((*GCEPTR(wc))->record_type) == (q))) \
? GCEPTR(wc) \
: ((XmGadgetClassExt *) \
_XmGetClassExtensionPtr(((XmGenericClassExt *)GCEPTR(wc)), (q))))
typedef struct {
XtWidgetProc border_highlight;
XtWidgetProc border_unhighlight;
XtActionProc arm_and_activate;
XmWidgetDispatchProc input_dispatch;
XmVisualChangeProc visual_change;
XmSyntheticResource *syn_resources;
int num_syn_resources;
XmCacheClassPartPtr cache_part;
XtPointer extension;
} XmGadgetClassPart;
/* Define the full class record */
typedef struct _XmGadgetClassRec {
RectObjClassPart rect_class;
XmGadgetClassPart gadget_class;
} XmGadgetClassRec;
/* External definition for class record */
extern XmGadgetClassRec xmGadgetClassRec;
#define G_ShadowThickness(g) \
(((XmGadget)(g))->gadget.shadow_thickness)
#define G_HighlightThickness(g) \
(((XmGadget)(g))->gadget.highlight_thickness)
/*
* gadget functions
*/
void _XmBuildGadgetResources(WidgetClass c);
#ifdef __cplusplus
}
#endif
#endif /* _XM_GADGETP_H */
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