Referencia del Archivo src/qt/src/kernel/qmotifdnd_x11.cpp

#include "qplatformdefs.h"
#include "qapplication.h"
#include "qwidget.h"
#include "qt_x11_p.h"
#include <stdlib.h>

Clases
struct	DndData
struct	_DndSrcProp
struct	_DndReceiverProp
struct	_DndTop
struct	_DndPot
struct	_DndMessage
struct	DndTargets
struct	DndTargetsTableEntryRec
struct	DndTargetsTableRec
'defines'
#define	DndVersion   1
#define	DndRevision   0
#define	DndIncludeVersion   (DndVersion * 10 + DndRevision)
#define	DND_DRAG_NONE   0
#define	DND_DRAG_DROP_ONLY   1
#define	DND_DRAG_DYNAMIC   5
#define	DND_TOP_LEVEL_ENTER   0
#define	DND_TOP_LEVEL_LEAVE   1
#define	DND_DRAG_MOTION   2
#define	DND_DROP_SITE_ENTER   3
#define	DND_DROP_SITE_LEAVE   4
#define	DND_DROP_START   5
#define	DND_OPERATION_CHANGED   8
#define	DND_NOOP   0L
#define	DND_MOVE   (1L << 0)
#define	DND_COPY   (1L << 1)
#define	DND_LINK   (1L << 2)
#define	DND_NO_DROP_SITE   1
#define	DND_INVALID_DROP_SITE   2
#define	DND_VALID_DROP_SITE   3
#define	DND_DROP   0
#define	DND_DROP_HELP   1
#define	DND_DROP_CANCEL   2
#define	BYTE   unsigned char
#define	CARD32   unsigned int
#define	CARD16   unsigned short
#define	INT16   signed short
#define	DND_PROTOCOL_VERSION   0
#define	DND_EVENT_TYPE_MASK   ((BYTE)0x80)
#define	DND_EVENT_TYPE_SHIFT   7
#define	DND_CLEAR_EVENT_TYPE   ((BYTE)0x7F)
#define	DND_GET_EVENT_TYPE(message_type)   ((char) (((message_type) & DND_EVENT_TYPE_MASK) >> DND_EVENT_TYPE_SHIFT))
#define	DND_SET_EVENT_TYPE(event_type)   (((BYTE)(event_type) << DND_EVENT_TYPE_SHIFT) & DND_EVENT_TYPE_MASK)
#define	DND_OPERATION_MASK   ((CARD16) 0x000F)
#define	DND_OPERATION_SHIFT   0
#define	DND_STATUS_MASK   ((CARD16) 0x00F0)
#define	DND_STATUS_SHIFT   4
#define	DND_OPERATIONS_MASK   ((CARD16) 0x0F00)
#define	DND_OPERATIONS_SHIFT   8
#define	DND_COMPLETION_MASK   ((CARD16) 0xF000)
#define	DND_COMPLETION_SHIFT   12
#define	DND_GET_OPERATION(flags)
#define	DND_SET_OPERATION(operation)
#define	DND_GET_STATUS(flags)
#define	DND_SET_STATUS(status)
#define	DND_GET_OPERATIONS(flags)
#define	DND_SET_OPERATIONS(operation)
#define	DND_GET_COMPLETION(flags)
#define	DND_SET_COMPLETION(completion)
#define	SWAP4BYTES(l)
#define	SWAP2BYTES(s)
#define	DND_DRAG_DROP_ONLY_EQUIV   3
#define	DND_DRAG_DYNAMIC_EQUIV1   2
#define	DND_DRAG_DYNAMIC_EQUIV2   4
'typedefs'
typedef struct _DndSrcProp	DndSrcProp
typedef struct _DndReceiverProp	DndReceiverProp
typedef struct _DndTop	DndTop
typedef struct _DndPot	DndPot
typedef struct _DndMessage	DndMessage
typedef struct DndTargetsTableEntryRec *	DndTargetsTableEntry
typedef struct DndTargetsTableRec *	DndTargetsTable
Funciones
bool	qt_xclb_wait_for_event (Display *dpy, Window win, int type, XEvent *event, int timeout)
bool	qt_xclb_read_property (Display *dpy, Window win, Atom property, bool deleteProperty, QByteArray *buffer, int *size, Atom *type, int *format, bool nullterm)
Atom *	qt_xdnd_str_to_atom (const char *mimeType)
const char *	qt_xdnd_atom_to_str (Atom)
void	qt_x11_intern_atom (const char *, Atom *)
void	qt_x11_motifdnd_init ()
const char *	qt_motifdnd_format (int n)
QByteArray	qt_motifdnd_obtain_data (const char *mimeType)
void	qt_motifdnd_enable (QWidget *widget, bool)
void	qt_motifdnd_handle_msg (QWidget *, const XEvent *xe, bool)
Variables
static Atom	atom_receiver_info
static Atom	atom_src_property_type
static Atom	atom_target_list
static Atom	Dnd_transfer_failure
bool	qt_motifdnd_active

---

Documentación de los 'defines'

#define BYTE   unsigned char

#define CARD16   unsigned short

#define CARD32   unsigned int

#define DND_CLEAR_EVENT_TYPE   ((BYTE)0x7F)

#define DND_COMPLETION_MASK   ((CARD16) 0xF000)

#define DND_COMPLETION_SHIFT   12

#define DND_COPY   (1L << 1)

#define DND_DRAG_DROP_ONLY   1

#define DND_DRAG_DROP_ONLY_EQUIV   3

#define DND_DRAG_DYNAMIC   5

#define DND_DRAG_DYNAMIC_EQUIV1   2

#define DND_DRAG_DYNAMIC_EQUIV2   4

#define DND_DRAG_MOTION   2

#define DND_DRAG_NONE   0

#define DND_DROP   0

#define DND_DROP_CANCEL   2

#define DND_DROP_HELP   1

#define DND_DROP_SITE_ENTER   3

#define DND_DROP_SITE_LEAVE   4

#define DND_DROP_START   5

#define DND_EVENT_TYPE_MASK   ((BYTE)0x80)

#define DND_EVENT_TYPE_SHIFT   7

#define DND_GET_COMPLETION

(

flags

)

Valor:

((unsigned char) \
(((flags) & DND_COMPLETION_MASK) >> DND_COMPLETION_SHIFT))

#define DND_GET_EVENT_TYPE

(

message_type

)

((char) (((message_type) & DND_EVENT_TYPE_MASK) >> DND_EVENT_TYPE_SHIFT))

#define DND_GET_OPERATION

(

flags

)

Valor:

((unsigned char) \
(((flags) & DND_OPERATION_MASK) >> DND_OPERATION_SHIFT))

#define DND_GET_OPERATIONS

(

flags

)

Valor:

((unsigned char) \
(((flags) & DND_OPERATIONS_MASK) >> DND_OPERATIONS_SHIFT))

#define DND_GET_STATUS

(

flags

)

Valor:

((unsigned char) \
(((flags) & DND_STATUS_MASK) >> DND_STATUS_SHIFT))

#define DND_INVALID_DROP_SITE   2

#define DND_LINK   (1L << 2)

#define DND_MOVE   (1L << 0)

#define DND_NO_DROP_SITE   1

#define DND_NOOP   0L

#define DND_OPERATION_CHANGED   8

#define DND_OPERATION_MASK   ((CARD16) 0x000F)

#define DND_OPERATION_SHIFT   0

#define DND_OPERATIONS_MASK   ((CARD16) 0x0F00)

#define DND_OPERATIONS_SHIFT   8

#define DND_PROTOCOL_VERSION   0

#define DND_SET_COMPLETION

(

completion

)

Valor:

(((CARD16)(completion) << DND_COMPLETION_SHIFT)\
& DND_COMPLETION_MASK)

#define DND_SET_EVENT_TYPE

(

event_type

)

(((BYTE)(event_type) << DND_EVENT_TYPE_SHIFT) & DND_EVENT_TYPE_MASK)

#define DND_SET_OPERATION

(

operation

)

Valor:

(((CARD16)(operation) << DND_OPERATION_SHIFT)\
& DND_OPERATION_MASK)

#define DND_SET_OPERATIONS

(

operation

)

Valor:

(((CARD16)(operation) << DND_OPERATIONS_SHIFT)\
& DND_OPERATIONS_MASK)

#define DND_SET_STATUS

(

status

)

Valor:

(((CARD16)(status) << DND_STATUS_SHIFT)\
& DND_STATUS_MASK)

#define DND_STATUS_MASK   ((CARD16) 0x00F0)

#define DND_STATUS_SHIFT   4

#define DND_TOP_LEVEL_ENTER   0

#define DND_TOP_LEVEL_LEAVE   1

#define DND_VALID_DROP_SITE   3

#define DndIncludeVersion   (DndVersion * 10 + DndRevision)

#define DndRevision   0

#define DndVersion   1

#define INT16   signed short

#define SWAP2BYTES

(

s

)

Valor:

{\
struct { unsigned t :16; } bit16;\
char n, *tp = (char *) &bit16;\
bit16.t = s;\
n = tp[0]; tp[0] = tp[1]; tp[1] = n;\
s = bit16.t;\
}

#define SWAP4BYTES

(

l

)

Valor:

{\
struct { unsigned t :32;} bit32;\
char n, *tp = (char *) &bit32;\
bit32.t = l;\
n = tp[0]; tp[0] = tp[3]; tp[3] = n;\
n = tp[1]; tp[1] = tp[2]; tp[2] = n;\
l = bit32.t;\
}

---

Documentación de los 'typedefs'

typedef struct _DndMessage DndMessage

typedef struct _DndPot DndPot

typedef struct _DndReceiverProp DndReceiverProp

typedef struct _DndSrcProp DndSrcProp

typedef struct DndTargetsTableRec * DndTargetsTable

typedef struct DndTargetsTableEntryRec * DndTargetsTableEntry

typedef struct _DndTop DndTop

---

Documentación de las funciones

void qt_motifdnd_enable	(	QWidget *	widget,
		bool
	)

const char* qt_motifdnd_format

(

int

n

)

void qt_motifdnd_handle_msg	(	QWidget *	,
		const XEvent *	xe,
		bool
	)

QByteArray qt_motifdnd_obtain_data

(

const char *

mimeType

)

void qt_x11_intern_atom	(	const char *	,
		Atom *
	)

void qt_x11_motifdnd_init

(

)

bool qt_xclb_read_property	(	Display *	dpy,
		Window	win,
		Atom	property,
		bool	deleteProperty,
		QByteArray *	buffer,
		int *	size,
		Atom *	type,
		int *	format,
		bool	nullterm
	)

bool qt_xclb_wait_for_event	(	Display *	dpy,
		Window	win,
		int	type,
		XEvent *	event,
		int	timeout
	)

const char* qt_xdnd_atom_to_str

(

Atom

)

Atom* qt_xdnd_str_to_atom

(

const char *

mimeType

)

---

Documentación de las variables

Atom atom_receiver_info

Atom atom_src_property_type

Atom atom_target_list

Atom Dnd_transfer_failure

bool qt_motifdnd_active