212 lines
7.1 KiB
Groff
212 lines
7.1 KiB
Groff
.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining
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.\" a copy of this software and associated documentation files (the
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.\" "Software"), to deal in the Software without restriction, including
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.\" without limitation the rights to use, copy, modify, merge, publish,
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.\" distribute, sublicense, and/or sell copies of the Software, and to
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.\" permit persons to whom the Software is furnished to do so, subject to
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.\" the following conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be included
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.\" in all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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.\" OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the X Consortium shall
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.\" not be used in advertising or otherwise to promote the sale, use or
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.\" other dealings in this Software without prior written authorization
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.\" from the X Consortium.
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.\"
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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
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.\" Digital Equipment Corporation
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.\"
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.\" Portions Copyright \(co 1990, 1991 by
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.\" Tektronix, Inc.
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.\"
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.\" Permission to use, copy, modify and distribute this documentation for
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.\" any purpose and without fee is hereby granted, provided that the above
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.\" copyright notice appears in all copies and that both that copyright notice
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.\" and this permission notice appear in all copies, and that the names of
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.\" Digital and Tektronix not be used in in advertising or publicity pertaining
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.\" to this documentation without specific, written prior permission.
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.\" Digital and Tektronix makes no representations about the suitability
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.\" of this documentation for any purpose.
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.\" It is provided ``as is'' without express or implied warranty.
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.\"
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.\"
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xW Athena X Widgets \- C Language X Toolkit Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.na
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.de Ds
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.nf
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.\\$1D \\$2 \\$1
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.ft CW
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.\".ps \\n(PS
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.\".if \\n(VS>=40 .vs \\n(VSu
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.\".if \\n(VS<=39 .vs \\n(VSp
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..
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.de De
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.ce 0
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.if \\n(BD .DF
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.nr BD 0
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.in \\n(OIu
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.if \\n(TM .ls 2
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.sp \\n(DDu
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.fi
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..
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.de IN \" send an index entry to the stderr
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..
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.de Pn
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.ie t \\$1\fB\^\\$2\^\fR\\$3
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.el \\$1\fI\^\\$2\^\fP\\$3
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..
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.de ZN
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.ie t \fB\^\\$1\^\fR\\$2
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.el \fI\^\\$1\^\fP\\$2
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..
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.de hN
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.ie t <\fB\\$1\fR>\\$2
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.el <\fI\\$1\fP>\\$2
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..
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.ny0
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.TH XGraphicsExposeEvent __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XGraphicsExposeEvent, XNoExposeEvent \- GraphicsExpose and NoExpose event structures
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.SH STRUCTURES
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The structures for
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.ZN GraphicsExpose
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and
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.ZN NoExpose
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events contain:
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.LP
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.Ds 0
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typedef struct {
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int type; /\&* GraphicsExpose */
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unsigned long serial; /\&* # of last request processed by server */
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Bool send_event; /\&* true if this came from a SendEvent request */
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Display *display; /\&* Display the event was read from */
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Drawable drawable;
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int x, y;
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int width, height;
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int count; /\&* if nonzero, at least this many more */
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int major_code; /\&* core is CopyArea or CopyPlane */
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int minor_code; /\&* not defined in the core */
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} XGraphicsExposeEvent;
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.De
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.LP
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.Ds 0
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typedef struct {
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int type; /\&* NoExpose */
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unsigned long serial; /\&* # of last request processed by server */
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Bool send_event; /\&* true if this came from a SendEvent request */
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Display *display; /\&* Display the event was read from */
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Drawable drawable;
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int major_code; /\&* core is CopyArea or CopyPlane */
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int minor_code; /\&* not defined in the core */
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} XNoExposeEvent;
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.De
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.LP
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When you receive these events,
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their structure members are set as follows.
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.LP
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The type member is set to the event type constant name that uniquely identifies
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it.
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For example, when the X server reports a
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.ZN GraphicsExpose
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event to a client application, it sends an
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.ZN XGraphicsExposeEvent
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structure with the type member set to
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.ZN GraphicsExpose .
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The display member is set to a pointer to the display the event was read on.
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The send_event member is set to
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.ZN True
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if the event came from a
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.ZN SendEvent
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protocol request.
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The serial member is set from the serial number reported in the protocol
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but expanded from the 16-bit least-significant bits to a full 32-bit value.
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The window member is set to the window that is most useful to toolkit
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dispatchers.
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.LP
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Both structures have these common members: drawable, major_code, and minor_code.
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The drawable member is set to the drawable of the destination region on
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which the graphics request was to be performed.
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The major_code member is set to the graphics request initiated by the client
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and can be either
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.ZN X_CopyArea
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or
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.ZN X_CopyPlane .
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If it is
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.ZN X_CopyArea ,
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a call to
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.ZN XCopyArea
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initiated the request.
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If it is
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.ZN X_CopyPlane ,
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a call to
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.ZN XCopyPlane
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initiated the request.
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These constants are defined in
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.hN X11/Xproto.h .
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The minor_code member,
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like the major_code member,
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indicates which graphics request was initiated by
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the client.
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However, the minor_code member is not defined by the core
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X protocol and will be zero in these cases,
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although it may be used by an extension.
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.LP
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The
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.ZN XGraphicsExposeEvent
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structure has these additional members: x, y, width, height, and count.
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The x and y members are set to the coordinates relative to the drawable's origin
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and indicate the upper-left corner of the rectangle.
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The width and height members are set to the size (extent) of the rectangle.
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The count member is set to the number of
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.ZN GraphicsExpose
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events to follow.
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If count is zero, no more
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.ZN GraphicsExpose
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events follow for this window.
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However, if count is nonzero, at least that number of
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.ZN GraphicsExpose
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events (and possibly more) are to follow for this window.
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.SH "SEE ALSO"
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XAnyEvent(__libmansuffix__),
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XButtonEvent(__libmansuffix__),
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XCreateWindowEvent(__libmansuffix__),
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XCirculateEvent(__libmansuffix__),
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XCirculateRequestEvent(__libmansuffix__),
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XColormapEvent(__libmansuffix__),
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XConfigureEvent(__libmansuffix__),
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XConfigureRequestEvent(__libmansuffix__),
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XCopyArea(__libmansuffix__),
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XCrossingEvent(__libmansuffix__),
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XDestroyWindowEvent(__libmansuffix__),
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XErrorEvent(__libmansuffix__),
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XExposeEvent(__libmansuffix__),
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XFocusChangeEvent(__libmansuffix__),
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XGravityEvent(__libmansuffix__),
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XKeymapEvent(__libmansuffix__),
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XMapEvent(__libmansuffix__),
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XMapRequestEvent(__libmansuffix__),
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XPropertyEvent(__libmansuffix__),
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XReparentEvent(__libmansuffix__),
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XResizeRequestEvent(__libmansuffix__),
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XSelectionClearEvent(__libmansuffix__),
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XSelectionEvent(__libmansuffix__),
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XSelectionRequestEvent(__libmansuffix__),
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XUnmapEvent(__libmansuffix__),
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XVisibilityEvent(__libmansuffix__)
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.br
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\fI\*(xL\fP
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