/* $XConsortium: CxxSimple.h /main/4 1995/07/15 20:42:24 drk $ */
/*
* Motif
*
* Copyright (c) 1987-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* HISTORY
*/
/*
* CxxSimple.h - Class definitions for CxxSimple
*/
/* Ensure that the file be included only once. */
#ifndef _ExmCxxSimple_h
#define _ExmCxxSimple_h
/* Allow for compilation by a C++ compiler. */
#ifdef __cplusplus
// Include appropriate header files.
#include <XmCxx/CxxPrimiti.h>
#include <Xm/ContItemT.h> // header file for XmQTcontainerItem trait
#include <Xm/ContainerT.h> // header file for XmQTcontainer trait
#include <Xm/CareVisualT.h> // header file for XmQTcareParentVisual trait
// Define the widget initialization class.
class ExmCxxSimpleClass : public XmCxxPrimitiveClass {
friend class ExmCxxSimple;
public:
// define class constructor
ExmCxxSimpleClass( char* name,
WidgetClass parent,
Cardinal widgetSize,
XtProc class_init,
XtActionList actions,
Cardinal num_actions,
XtResourceList resources,
Cardinal num_resources,
XtInitProc cxx_cast);
// virtual chained class methods
virtual void class_part_initialize();
// define static class methods
static void ClassInitialize();
protected:
XtPointer cxx_simple_extension;
};
// Define the widget instance part.
typedef struct _exmCxxSimplePart
{
// Provide space for the three resources of ExmSimple.
unsigned char simple_shape;
Dimension margin_height;
Dimension margin_width;
// Provide space for the other protected fields of ExmSimple.
// normal_gc holds a Graphics Context for rendering the vis
// when the value of XmNsensitive is True.
GC normal_gc;
// insensitive_gc holds a Graphics Context for rendering the vis
// when the value of XmNsensitive is False.
GC insensitive_gc;
// pref_width holds an integral value representing the widget's
// current preferred width.
Dimension pref_width;
// pref_height holds an integral value representing the widget's
// current preferred width.
Dimension pref_height;
// need_to_compute_width is a flag. If its value is True,
// then the widget needs to renegotiate its width.
Boolean need_to_compute_width;
// need_to_compute_height is a flag. If its value is True,
// then the widget needs to renegotiate its height.
Boolean need_to_compute_height;
// visual is an XRectangle value representing the bounding box of the
// widget's visual.
XRectangle visual;
// need_to_reconfigure is a flag. If its value is True,
// then the widget needs to call the reconfigure method.
Boolean need_to_reconfigure;
// saved_foreground is used for the management of the selected state
Pixel saved_foreground;
} ExmCxxSimplePart;
// Define the widget class.
class ExmCxxSimple : public XmCxxPrimitive {
friend class ExmCxxSimpleClass;
friend class ExmCxxSimpleActions;
public:
ExmCxxSimplePart simple;
~ExmCxxSimple();
// core class methods provided by this widget.
virtual void initialize(Widget req_w, ArgList, Cardinal*);
virtual Boolean set_values(Widget old_w, Widget req_w,
ArgList, Cardinal*);
virtual void realize(XtValueMask* mask,
XSetWindowAttributes* win_att);
virtual void resize();
virtual void expose(XEvent*, Region);
virtual XtGeometryResult query_geometry(XtWidgetGeometry*,
XtWidgetGeometry*);
// primitive class methods provided by this widget.
// none
// primitive class extension methods provided by this widget.
virtual Boolean widget_display_rect(XRectangle*);
// simple class methods
virtual void draw_visual(void);
virtual void draw_shadow(void);
virtual void create_gc(void);
virtual void destroy_gc(void);
virtual GC select_gc(void);
virtual void calc_visual_size(void);
virtual void calc_widget_size(void);
virtual void reconfigure(WidgetClass, Widget);
// define trait static class methods
static void ContItemSetValues(Widget w,
XmContainerItemData contItemData);
static void ContItemGetValues(Widget w,
XmContainerItemData contItemData);
static Boolean HandleRedraw (Widget kid,
Widget cur_parent,
Widget new_parent,
Mask visual_flag);
static void SetSelectedVisual (Widget wid) ;
// static class-methods: passed as parameter to class_rec static constructor.
static void _MakeCxxWidget(Widget, Widget new_w, ArgList, Cardinal*);
};
// Define the WidgetClass and the Widget.
typedef class ExmCxxSimpleClass *ExmCxxSimpleWidgetClass;
typedef class ExmCxxSimple *ExmCxxSimpleWidget;
externalref ExmCxxSimpleClass exmCxxSimpleClassRec;
// Define an IsSubclass macro.
#ifndef XmIsCxxSimple
#define XmIsCxxSimple(w) XtIsSubclass(w, exmCxxSimpleWidgetClass)
#endif /* IsSubclass macro. */
#endif /* __cplusplus */
/* Define symbols that may be accessed from a C application. */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
extern Widget ExmCreateCxxSimple(Widget, char*, ArgList, Cardinal);
#ifdef __cplusplus
}
#endif /* __cplusplus */
externalref WidgetClass exmCxxSimpleWidgetClass;
// Define string equivalents of new resource names.
#define ExmNsimpleShape "simpleShape"
#define ExmCSimpleShape "SimpleShape"
#define ExmRSimpleShape "SimpleShape"
// Specify new enumerated constants for resources.
enum { ExmSHAPE_OVAL=0, ExmSHAPE_RECTANGLE=1 };
#endif /* _ExmCxxSimple_h */