xproto.h

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 * The event feilds in the structures for DestroyNotify, UnmapNotify,
 * MapNotify, ReparentNotify, ConfigureNotify, CirclulateNotify, GravityNotify,
 * must be at the same offset because server internal code is depending upon
 * this to patch up the events before they are delivered.
 * Also note that MapRequest, ConfigureRequest and CirculateRequest have
 * the same offset for the event window.
 */
	struct {
            CARD32 pad00 B32;
	    Window event B32, window B32;
	} destroyNotify;
	struct {
            CARD32 pad00 B32;
	    Window event B32, window B32;
	    BOOL fromConfigure;
	    BYTE pad1, pad2, pad3;
        } unmapNotify;
	struct {
            CARD32 pad00 B32;
	    Window event B32, window B32;
	    BOOL override;
	    BYTE pad1, pad2, pad3;
        } mapNotify;
	struct {
            CARD32 pad00 B32;
	    Window parent B32, window B32;
        } mapRequest;
	struct {
            CARD32 pad00 B32;
	    Window event B32, window B32, parent B32;
	    INT16 x B16, y B16;
	    BOOL override;
	    BYTE pad1, pad2, pad3;
	} reparent;
	struct {
            CARD32 pad00 B32;
	    Window event B32, window B32, aboveSibling B32;
	    INT16 x B16, y B16;
	    CARD16 width B16, height B16, borderWidth B16;
	    BOOL override;		
	    BYTE bpad;
	} configureNotify;
	struct {
            CARD32 pad00 B32;
	    Window parent B32, window B32, sibling B32;
	    INT16 x B16, y B16;
	    CARD16 width B16, height B16, borderWidth B16;
	    CARD16 valueMask B16;
	    CARD32 pad1 B32;
	} configureRequest;
	struct {
            CARD32 pad00 B32;
	    Window event B32, window B32;
	    INT16 x B16, y B16;
	    CARD32 pad1 B32, pad2 B32, pad3 B32, pad4 B32;
	} gravity;
	struct {
            CARD32 pad00 B32;
	    Window window B32;
	    CARD16 width B16, height B16;
	} resizeRequest;
	struct {
/* The event field in the circulate record is really the parent when this
   is used as a CirculateRequest insteaad of a CircluateNotify */
            CARD32 pad00 B32;
	    Window event B32, window B32, parent B32;
	    BYTE place;			/* Top or Bottom */
	    BYTE pad1, pad2, pad3;
	} circulate;
	struct {
            CARD32 pad00 B32;
	    Window window B32;
	    Atom atom B32;
	    Time time B32;
	    BYTE state;			/* NewValue or Deleted */
	    BYTE pad1;
	    CARD16 pad2 B16;
	} property;
	struct {
            CARD32 pad00 B32;
            Time time B32;     
	    Window window B32;
	    Atom atom B32;
	} selectionClear;
	struct {
            CARD32 pad00 B32;
            Time time B32;    
	    Window owner B32, requestor B32;
	    Atom selection B32, target B32, property B32;
	} selectionRequest;
	struct {
            CARD32 pad00 B32;
            Time time B32;   
	    Window requestor B32;
	    Atom selection B32, target B32, property B32;
	} selectionNotify;
	struct {
            CARD32 pad00 B32;
	    Window window B32;
	    Colormap colormap B32;
#if defined(__cplusplus) || defined(c_plusplus)
	    BOOL c_new;
#else
	    BOOL new;
#endif
	    BYTE state;			/* Installed or UnInstalled */
	    BYTE pad1, pad2;
	} colormap;
	struct {
	    CARD32 pad00 B32;
	    CARD8 request;
	    KeyCode firstKeyCode;
	    CARD8 count;
	    BYTE pad1;
	} mappingNotify;
	struct {
            CARD32 pad00 B32;
	    Window window B32;
	    union {
		struct {
		    Atom type B32;
		    INT32 longs0 B32;
		    INT32 longs1 B32;
		    INT32 longs2 B32;
		    INT32 longs3 B32;
		    INT32 longs4 B32;
		} l;
		struct {
		    Atom type B32;
		    INT16 shorts0 B16;
		    INT16 shorts1 B16;
		    INT16 shorts2 B16;
		    INT16 shorts3 B16;
		    INT16 shorts4 B16;
		    INT16 shorts5 B16;
		    INT16 shorts6 B16;
		    INT16 shorts7 B16;
		    INT16 shorts8 B16;
		    INT16 shorts9 B16;
		} s;
		struct {
		    Atom type B32;
		    INT8 bytes[20];
		} b;
	    } u; 
	} clientMessage;
    } u;
} xEvent;

/* KeymapNotify events are not included in the above union because they
   are different from all other events: they do not have a "detail"
   or "sequenceNumber", so there is room for a 248-bit key mask. */

typedef struct {
    BYTE type;
    BYTE map[31];
    } xKeymapEvent;

#define XEventSize (sizeof(xEvent))

/* XReply is the union of all the replies above whose "fixed part"
fits in 32 bytes.  It does NOT include GetWindowAttributesReply,
QueryFontReply, QueryKeymapReply, or GetKeyboardControlReply 
ListFontsWithInfoReply */

typedef union {
    xGenericReply generic;
    xGetGeometryReply geom;
    xQueryTreeReply tree;
    xInternAtomReply atom;
    xGetAtomNameReply atomName;
    xGetPropertyReply property;
    xListPropertiesReply listProperties;
    xGetSelectionOwnerReply selection;
    xGrabPointerReply grabPointer;
    xGrabKeyboardReply grabKeyboard;
    xQueryPointerReply pointer;
    xGetMotionEventsReply motionEvents;
    xTranslateCoordsReply coords;
    xGetInputFocusReply inputFocus;
    xQueryTextExtentsReply textExtents;
    xListFontsReply fonts;
    xGetFontPathReply fontPath;
    xGetImageReply image;
    xListInstalledColormapsReply colormaps;
    xAllocColorReply allocColor;
    xAllocNamedColorReply allocNamedColor;
    xAllocColorCellsReply colorCells;
    xAllocColorPlanesReply colorPlanes;
    xQueryColorsReply colors;
    xLookupColorReply lookupColor;
    xQueryBestSizeReply bestSize;
    xQueryExtensionReply extension;
    xListExtensionsReply extensions;
    xSetModifierMappingReply setModifierMapping;
    xGetModifierMappingReply getModifierMapping;
    xSetPointerMappingReply setPointerMapping;
    xGetKeyboardMappingReply getKeyboardMapping;
    xGetPointerMappingReply getPointerMapping;
    xGetPointerControlReply pointerControl;
    xGetScreenSaverReply screenSaver;
    xListHostsReply hosts;
    xError error;
    xEvent event;
} xReply;



/*****************************************************************
 * REQUESTS
 *****************************************************************/


/* Request structure */

typedef struct _xReq {
	CARD8 reqType;
	CARD8 data;            /* meaning depends on request type */
	CARD16 length B16;         /* length in 4 bytes quantities 
				  of whole request, including this header */
} xReq;

/*****************************************************************
 *  structures that follow request. 
 *****************************************************************/

/* ResourceReq is used for any request which has a resource ID 
   (or Atom or Time) as its one and only argument.  */

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    CARD32 id B32;  /* a Window, Drawable, Font, GContext, Pixmap, etc. */
    } xResourceReq;

typedef struct {
    CARD8 reqType;
    CARD8 depth;
    CARD16 length B16;
    Window wid B32, parent B32;
    INT16 x B16, y B16;
    CARD16 width B16, height B16, borderWidth B16;  
#if defined(__cplusplus) || defined(c_plusplus)
    CARD16 c_class B16;
#else
    CARD16 class B16;
#endif
    VisualID visual B32;
    CARD32 mask B32;
} xCreateWindowReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Window window B32;
    CARD32 valueMask B32; 
} xChangeWindowAttributesReq;

typedef struct {
    CARD8 reqType;
    BYTE mode;
    CARD16 length B16;
    Window window B32;
} xChangeSaveSetReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Window window B32, parent B32;
    INT16 x B16, y B16;
} xReparentWindowReq;

typedef struct {
    CARD8 reqType;
    CARD8 pad;
    CARD16 length B16;
    Window window B32;
    CARD16 mask B16;
    CARD16 pad2 B16;
} xConfigureWindowReq;

typedef struct {
    CARD8 reqType;
    CARD8 direction;
    CARD16 length B16;
    Window window B32;
} xCirculateWindowReq;

typedef struct {    /* followed by padded string */
    CARD8 reqType;
    BOOL onlyIfExists;
    CARD16 length B16;
    CARD16 nbytes  B16;    /* number of bytes in string */
    CARD16 pad B16;
} xInternAtomReq;

typedef struct {
    CARD8 reqType;
    CARD8 mode;
    CARD16 length B16;
    Window window B32;
    Atom property B32, type B32;
    CARD8 format;
    BYTE pad[3];
    CARD32 nUnits B32;     /* length of stuff following, depends on format */
} xChangePropertyReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Window window B32;
    Atom property B32;
} xDeletePropertyReq;

typedef struct {
    CARD8 reqType;
#if defined(__cplusplus) || defined(c_plusplus)
    BOOL c_delete;
#else
    BOOL delete;
#endif
    CARD16 length B16;
    Window window B32;
    Atom property B32, type B32;
    CARD32 longOffset B32;
    CARD32 longLength B32;
} xGetPropertyReq;
 
typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Window window B32;
    Atom selection B32;
    Time time B32;
} xSetSelectionOwnerReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Window requestor B32;
    Atom selection B32, target B32, property B32;
    Time time B32;
    } xConvertSelectionReq;

typedef struct {
    CARD8 reqType;
    BOOL propagate;
    CARD16 length B16;
    Window destination B32;
    CARD32 eventMask B32;
#ifdef WORD64
    /* the structure should have been quad-aligned */
    BYTE eventdata[SIZEOF(xEvent)];
#else
    xEvent event;
#endif /* WORD64 */
} xSendEventReq;

typedef struct {
    CARD8 reqType;
    BOOL ownerEvents;
    CARD16 length B16;
    Window grabWindow B32;
    CARD16 eventMask B16;
    BYTE pointerMode, keyboardMode;
    Window confineTo B32;
    Cursor cursor B32;
    Time time B32;
} xGrabPointerReq;

typedef struct {
    CARD8 reqType;
    BOOL ownerEvents;
    CARD16 length B16;
    Window grabWindow B32;
    CARD16 eventMask B16;
    BYTE pointerMode, keyboardMode;
    Window confineTo B32;
    Cursor cursor B32;
    CARD8 button;
    BYTE pad;
    CARD16 modifiers B16;
} xGrabButtonReq;

typedef struct {
    CARD8 reqType;
    CARD8 button;
    CARD16 length B16;
    Window grabWindow B32;
    CARD16 modifiers B16;
    CARD16 pad B16;
} xUngrabButtonReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Cursor cursor B32;
    Time time B32;
    CARD16 eventMask B16;
    CARD16 pad2 B16;
} xChangeActivePointerGrabReq;

typedef struct {
    CARD8 reqType;
    BOOL ownerEvents;
    CARD16 length B16;
    Window grabWindow B32;
    Time time B32;
    BYTE pointerMode, keyboardMode;  
    CARD16 pad B16;
} xGrabKeyboardReq;

typedef struct {
    CARD8 reqType;
    BOOL ownerEvents;
    CARD16 length B16;
    Window grabWindow B32;
    CARD16 modifiers B16;
    CARD8 key;
    BYTE pointerMode, keyboardMode;  
    BYTE pad1, pad2, pad3;
} xGrabKeyReq;

typedef struct {
    CARD8 reqType;
    CARD8 key;
    CARD16 length B16;
    Window grabWindow B32;
    CARD16 modifiers B16;
    CARD16 pad B16;
} xUngrabKeyReq;

typedef struct {
    CARD8 reqType;
    CARD8 mode;
    CARD16 length B16;
    Time time B32;
} xAllowEventsReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Window window B32;
    Time start B32, stop B32;
} xGetMotionEventsReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Window srcWid B32, dstWid B32;
    INT16 srcX B16, srcY B16;
} xTranslateCoordsReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Window srcWid B32, dstWid B32;
    INT16 srcX B16, srcY B16;
    CARD16 srcWidth B16, srcHeight B16;
    INT16 dstX B16, dstY B16;
} xWarpPointerReq;

typedef struct {
    CARD8 reqType;
    CARD8 revertTo;
    CARD16 length B16;
    Window focus B32;
    Time time B32;
} xSetInputFocusReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    Font fid B32;
    CARD16 nbytes B16;
    BYTE pad1, pad2;	/* string follows on word boundary */
} xOpenFontReq;

typedef struct {
    CARD8 reqType;
    BOOL oddLength;
    CARD16 length B16;
    Font fid B32;
    } xQueryTextExtentsReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    CARD16 maxNames B16;
    CARD16 nbytes B16;  /* followed immediately by string bytes */
} xListFontsReq;

typedef xListFontsReq xListFontsWithInfoReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    CARD16 nFonts B16;
    BYTE pad1, pad2;	/* LISTofSTRING8 follows on word boundary */
} xSetFontPathReq;

typedef struct {
    CARD8 reqType;
    CARD8 depth;
    CARD16 length B16;
    Pixmap pid B32;
    Drawable drawable B32;
    CARD16 width B16, height B16;
} xCreatePixmapReq;

typedef struct {
    CARD8 reqType;
    BYTE pad;
    CARD16 length B16;
    GContext gc B32;
    Drawable drawable B32;
    CARD32 mask B32;
} xCreateGCReq;

typedef struct {