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/** \file
* \brief Ihandle Object Definition
*
* See Copyright Notice in "iup.h"
*/
#ifndef __IUP_OBJECT_H
#define __IUP_OBJECT_H
#include <stdarg.h>
#include "iup_class.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \defgroup object Ihandle Object
* \par
* Object handle for all the elements.
* \par
* See \ref iup_object.h
* \ingroup cpi */
/* SIZE to RASTERSIZE
* \ingroup object */
#define iupWIDTH2RASTER(_w, _cw) ((int)((_w * _cw)/4.0 + 0.5))
/* SIZE to RASTERSIZE
* \ingroup object */
#define iupHEIGHT2RASTER(_h, _ch) ((int)((_h * _ch)/8.0 + 0.5))
/* RASTERSIZE to SIZE
* \ingroup object */
#define iupRASTER2WIDTH(_w, _cw) ((int)((_w * 4.0)/_cw + 0.5))
/* RASTERSIZE to SIZE
* \ingroup object */
#define iupRASTER2HEIGHT(_h, _ch) ((int)((_h * 8.0)/_ch + 0.5))
/** Expand configuration
* \ingroup object */
enum Iexpand {
IUP_EXPAND_NONE = 0x00,
IUP_EXPAND_H0 = 0x01, /* only set by IupFill */
IUP_EXPAND_H1 = 0x02,
IUP_EXPAND_W0 = 0x04, /* only set by IupFill */
IUP_EXPAND_W1 = 0x08
};
/** Expand configuration
* \ingroup object */
#define IUP_EXPAND_WIDTH (IUP_EXPAND_W1 | IUP_EXPAND_W0)
/** Expand configuration
* \ingroup object */
#define IUP_EXPAND_HEIGHT (IUP_EXPAND_H1 | IUP_EXPAND_H0)
/** Expand configuration
* \ingroup object */
#define IUP_EXPAND_BOTH (IUP_EXPAND_WIDTH | IUP_EXPAND_HEIGHT)
/** A simple definition that do not depends on the native system,
but helps a lot when writing native code. See \ref iup_object.h for definitions.
* \ingroup object */
#if defined(GTK_MAJOR_VERSION)
typedef struct _GtkWidget InativeHandle;
#elif defined(XmVERSION)
typedef struct _WidgetRec InativeHandle;
#elif defined(WINVER)
typedef struct HWND__ InativeHandle;
#else
typedef struct _InativeHandle InativeHandle;
#endif
/** Each control may define its own structure in its private module.
* \ingroup object */
typedef struct _IcontrolData IcontrolData;
/** IcontrolData allocation utility.
* \ingroup object */
#define iupALLOCCTRLDATA() ((IcontrolData*)calloc(1, sizeof(IcontrolData)))
/** Structure used by all the elements.
* \ingroup object */
struct Ihandle_
{
char sig[4]; /**< IUP Signature, initialized with "IUP", cleared on destroy */
Iclass* iclass; /**< Ihandle Class */
Itable* attrib; /**< attributes table */
int serial; /**< serial number used for controls that need a numeric id, initialized with -1 */
InativeHandle* handle; /**< native handle. initialized when mapped. InativeHandle definition is system dependent. */
int expand; /**< expand configuration, a combination of \ref Iexpand, for containers is a combination of the children expand's */
int is_floating; /**< floating attribute */
int x, y; /**< upper-left corner relative to the native parent. always 0 for the dialog. */
int userwidth, userheight; /**< user defined size for the control using SIZE or RASTERSIZE */
int naturalwidth, naturalheight; /**< the calculated size based in the control contents and the user size */
int currentwidth, currentheight; /**< actual size of the control in pixels (window size, including decorations and margins). */
int has_maxsize, has_minsize; /**< indicates that the control has the attributes MAXSIZE and/or MINSIZE */
Ihandle* parent; /**< previous control in the hierarchy tree */
Ihandle* firstchild; /**< first child control in the hierarchy tree */
Ihandle* brother; /**< next control inside parent */
IcontrolData* data; /**< private control data. automatically freed if not NULL in destroy */
};
/* Creates an object. initializes iclass and nativetype.
* Called only from IupCreate and IupLoad. */
Ihandle* iupObjectCreate(Iclass* ic, void** params);
/** Utility that returns an array of parameters. Must call free for the returned value after usage.
* Used by the creation functions of objects that receives a NULL terminated array of parameters.
* \ingroup object */
void** iupObjectGetParamList(void* first, va_list arglist);
/** Checks if the handle is still valid based on the signature.
* But if the handle was destroyed still can access invalid memory.
* \ingroup object */
int iupObjectCheck(Ihandle* ih);
/* Other functions declared in <iup.h> and implemented here.
IupCreate
IupCreatev
IupCreatep
IupDestroy
*/
#ifdef __cplusplus
}
#endif
#endif
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