platform_types.h File Reference

Definitions of platform-dependent types. More...

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Macros
#define	FL_COMMAND   opaque
	An alias for FL_CTRL on Windows and X11, or FL_META on MacOS X.
#define	FL_CONTROL   opaque
	An alias for FL_META on Windows and X11, or FL_CTRL on MacOS X.

Typedefs
typedef opaque	Fl_Bitmask
	mask
typedef opaque	fl_intptr_t
	An integral type large enough to store a pointer or a long value. More...
typedef opaque	Fl_Offscreen
	an offscreen drawing buffer
typedef opaque	Fl_Region
	a region made of several rectangles
typedef opaque	FL_SOCKET
	socket or file descriptor
typedef opaque	fl_uintptr_t
	An unsigned integral type large enough to store a pointer or an unsigned long value. More...
typedef opaque	GLContext
	an OpenGL graphics context, into which all OpenGL calls are rendered

Detailed Description

Definitions of platform-dependent types.

The exact nature of these types varies with the platform. Therefore, portable FLTK applications should not assume these types have a specific size, or that they are pointers.

Typedef Documentation

fl_intptr_t

typedef opaque fl_intptr_t

An integral type large enough to store a pointer or a long value.

A pointer value can be safely cast to fl_intptr_t, and later cast back to its initial pointer type without change to the pointer value. A variable of type fl_intptr_t can also store a long int value.

fl_uintptr_t

typedef opaque fl_uintptr_t

An unsigned integral type large enough to store a pointer or an unsigned long value.

A pointer value can be safely cast to fl_uintptr_t, and later cast back to its initial pointer type without change to the pointer value. A variable of type fl_uintptr_t can also store an unsigned long int value.