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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
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5bd3a9 |
.\"
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5bd3a9 |
.\" 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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5bd3a9 |
.\" distribute, sublicense, and/or sell copies of the Software, and to
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5bd3a9 |
.\" permit persons to whom the Software is furnished to do so, subject to
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.\" the following conditions:
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5bd3a9 |
.\"
|
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5bd3a9 |
.\" The above copyright notice and this permission notice shall be included
|
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5bd3a9 |
.\" in all copies or substantial portions of the Software.
|
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5bd3a9 |
.\"
|
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5bd3a9 |
.\" 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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5bd3a9 |
.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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5bd3a9 |
.\" 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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5bd3a9 |
.\"
|
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5bd3a9 |
.\" 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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5bd3a9 |
.\"
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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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5bd3a9 |
.\" 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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5bd3a9 |
.\" and this permission notice appear in all copies, and that the names of
|
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5bd3a9 |
.\" 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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5bd3a9 |
.ds xW Athena X Widgets \- C Language X Toolkit Interface
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5bd3a9 |
.ds xL Xlib \- C Language X Interface
|
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5bd3a9 |
.ds xC Inter-Client Communication Conventions Manual
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5bd3a9 |
.na
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5bd3a9 |
.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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5bd3a9 |
..
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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 XCrossingEvent __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XCrossingEvent \- EnterNotify and LeaveNotify event structure
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.SH STRUCTURES
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The structure for
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.ZN EnterNotify
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and
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.ZN LeaveNotify
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events contains:
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.LP
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.Ds 0
|
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typedef struct {
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int type; /\&* EnterNotify or LeaveNotify */
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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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5bd3a9 |
Display *display; /\&* Display the event was read from */
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Window window; /\&* ``event'' window reported relative to */
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Window root; /\&* root window that the event occurred on */
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Window subwindow; /\&* child window */
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Time time; /\&* milliseconds */
|
|
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int x, y; /\&* pointer x, y coordinates in event window */
|
|
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5bd3a9 |
int x_root, y_root; /\&* coordinates relative to root */
|
|
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int mode; /\&* NotifyNormal, NotifyGrab, NotifyUngrab */
|
|
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int detail;
|
|
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/\&*
|
|
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* NotifyAncestor, NotifyVirtual, NotifyInferior,
|
|
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* NotifyNonlinear,NotifyNonlinearVirtual
|
|
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5bd3a9 |
*/
|
|
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Bool same_screen; /\&* same screen flag */
|
|
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Bool focus; /\&* boolean focus */
|
|
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5bd3a9 |
unsigned int state; /\&* key or button mask */
|
|
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5bd3a9 |
} XCrossingEvent;
|
|
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5bd3a9 |
typedef XCrossingEvent XEnterWindowEvent;
|
|
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5bd3a9 |
typedef XCrossingEvent XLeaveWindowEvent;
|
|
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5bd3a9 |
.De
|
|
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5bd3a9 |
.LP
|
|
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5bd3a9 |
When you receive these events,
|
|
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5bd3a9 |
the structure members are set as follows.
|
|
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5bd3a9 |
.LP
|
|
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5bd3a9 |
The type member is set to the event type constant name that uniquely identifies
|
|
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5bd3a9 |
it.
|
|
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5bd3a9 |
For example, when the X server reports a
|
|
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.ZN GraphicsExpose
|
|
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5bd3a9 |
event to a client application, it sends an
|
|
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5bd3a9 |
.ZN XGraphicsExposeEvent
|
|
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5bd3a9 |
structure with the type member set to
|
|
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5bd3a9 |
.ZN GraphicsExpose .
|
|
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5bd3a9 |
The display member is set to a pointer to the display the event was read on.
|
|
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5bd3a9 |
The send_event member is set to
|
|
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5bd3a9 |
.ZN True
|
|
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5bd3a9 |
if the event came from a
|
|
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5bd3a9 |
.ZN SendEvent
|
|
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5bd3a9 |
protocol request.
|
|
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5bd3a9 |
The serial member is set from the serial number reported in the protocol
|
|
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5bd3a9 |
but expanded from the 16-bit least-significant bits to a full 32-bit value.
|
|
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5bd3a9 |
The window member is set to the window that is most useful to toolkit
|
|
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5bd3a9 |
dispatchers.
|
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.LP
|
|
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The window member is set to the window on which the
|
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.ZN EnterNotify
|
|
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or
|
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5bd3a9 |
.ZN LeaveNotify
|
|
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5bd3a9 |
event was generated and is referred to as the event window.
|
|
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5bd3a9 |
This is the window used by the X server to report the event,
|
|
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5bd3a9 |
and is relative to the root
|
|
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5bd3a9 |
window on which the event occurred.
|
|
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5bd3a9 |
The root member is set to the root window of the screen
|
|
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5bd3a9 |
on which the event occurred.
|
|
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5bd3a9 |
.LP
|
|
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5bd3a9 |
For a
|
|
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5bd3a9 |
.ZN LeaveNotify
|
|
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5bd3a9 |
event,
|
|
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if a child of the event window contains the initial position of the pointer,
|
|
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5bd3a9 |
the subwindow component is set to that child.
|
|
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5bd3a9 |
Otherwise, the X server sets the subwindow member to
|
|
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5bd3a9 |
.ZN None .
|
|
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5bd3a9 |
For an
|
|
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5bd3a9 |
.ZN EnterNotify
|
|
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5bd3a9 |
event, if a child of the event window contains the final pointer position,
|
|
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5bd3a9 |
the subwindow component is set to that child or
|
|
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5bd3a9 |
.ZN None .
|
|
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5bd3a9 |
.LP
|
|
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5bd3a9 |
The time member is set to the time when the event was generated
|
|
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5bd3a9 |
and is expressed in milliseconds.
|
|
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5bd3a9 |
The x and y members are set to the coordinates of the pointer position in
|
|
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5bd3a9 |
the event window.
|
|
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5bd3a9 |
This position is always the pointer's final position,
|
|
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5bd3a9 |
not its initial position.
|
|
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5bd3a9 |
If the event window is on the same
|
|
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5bd3a9 |
screen as the root window, x and y are the pointer coordinates
|
|
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5bd3a9 |
relative to the event window's origin.
|
|
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5bd3a9 |
Otherwise, x and y are set to zero.
|
|
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5bd3a9 |
The x_root and y_root members are set to the pointer's coordinates relative to the
|
|
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5bd3a9 |
root window's origin at the time of the event.
|
|
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5bd3a9 |
.LP
|
|
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5bd3a9 |
The same_screen member is set to indicate whether the event window is on the same screen
|
|
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5bd3a9 |
as the root window and can be either
|
|
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5bd3a9 |
.ZN True
|
|
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5bd3a9 |
or
|
|
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5bd3a9 |
.ZN False .
|
|
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5bd3a9 |
If
|
|
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5bd3a9 |
.ZN True ,
|
|
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5bd3a9 |
the event and root windows are on the same screen.
|
|
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5bd3a9 |
If
|
|
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5bd3a9 |
.ZN False ,
|
|
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5bd3a9 |
the event and root windows are not on the same screen.
|
|
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5bd3a9 |
.LP
|
|
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5bd3a9 |
The focus member is set to indicate whether the event window is the focus window or an
|
|
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5bd3a9 |
inferior of the focus window.
|
|
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5bd3a9 |
The X server can set this member to either
|
|
Packit |
5bd3a9 |
.ZN True
|
|
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5bd3a9 |
or
|
|
Packit |
5bd3a9 |
.ZN False .
|
|
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5bd3a9 |
If
|
|
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5bd3a9 |
.ZN True ,
|
|
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5bd3a9 |
the event window is the focus window or an inferior of the focus window.
|
|
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5bd3a9 |
If
|
|
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5bd3a9 |
.ZN False ,
|
|
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5bd3a9 |
the event window is not the focus window or an inferior of the focus window.
|
|
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5bd3a9 |
.LP
|
|
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5bd3a9 |
The state member is set to indicate the state of the pointer buttons and
|
|
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5bd3a9 |
modifier keys just prior to the
|
|
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5bd3a9 |
event.
|
|
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5bd3a9 |
The X server can set this member to the bitwise inclusive OR of one
|
|
Packit |
5bd3a9 |
or more of the button or modifier key masks:
|
|
Packit |
5bd3a9 |
.ZN Button1Mask ,
|
|
Packit |
5bd3a9 |
.ZN Button2Mask ,
|
|
Packit |
5bd3a9 |
.ZN Button3Mask ,
|
|
Packit |
5bd3a9 |
.ZN Button4Mask ,
|
|
Packit |
5bd3a9 |
.ZN Button5Mask ,
|
|
Packit |
5bd3a9 |
.ZN ShiftMask ,
|
|
Packit |
5bd3a9 |
.ZN LockMask ,
|
|
Packit |
5bd3a9 |
.ZN ControlMask ,
|
|
Packit |
5bd3a9 |
.ZN Mod1Mask ,
|
|
Packit |
5bd3a9 |
.ZN Mod2Mask ,
|
|
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5bd3a9 |
.ZN Mod3Mask ,
|
|
Packit |
5bd3a9 |
.ZN Mod4Mask ,
|
|
Packit |
5bd3a9 |
.ZN Mod5Mask .
|
|
Packit |
5bd3a9 |
.LP
|
|
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5bd3a9 |
The mode member is set to indicate whether the events are normal events,
|
|
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5bd3a9 |
pseudo-motion events
|
|
Packit |
5bd3a9 |
when a grab activates, or pseudo-motion events when a grab deactivates.
|
|
Packit |
5bd3a9 |
The X server can set this member to
|
|
Packit |
5bd3a9 |
.ZN NotifyNormal ,
|
|
Packit |
5bd3a9 |
.ZN NotifyGrab ,
|
|
Packit |
5bd3a9 |
or
|
|
Packit |
5bd3a9 |
.ZN NotifyUngrab .
|
|
Packit |
5bd3a9 |
.LP
|
|
Packit |
5bd3a9 |
The detail member is set to indicate the notify detail and can be
|
|
Packit |
5bd3a9 |
.ZN NotifyAncestor ,
|
|
Packit |
5bd3a9 |
.ZN NotifyVirtual ,
|
|
Packit |
5bd3a9 |
.ZN NotifyInferior ,
|
|
Packit |
5bd3a9 |
.ZN NotifyNonlinear ,
|
|
Packit |
5bd3a9 |
or
|
|
Packit |
5bd3a9 |
.ZN NotifyNonlinearVirtual .
|
|
Packit |
5bd3a9 |
.SH "SEE ALSO"
|
|
Packit |
5bd3a9 |
XAnyEvent(__libmansuffix__),
|
|
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5bd3a9 |
XButtonEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XCreateWindowEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XCirculateEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XCirculateRequestEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XColormapEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XConfigureEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XConfigureRequestEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XDestroyWindowEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XErrorEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XExposeEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XFocusChangeEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XGraphicsExposeEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XGravityEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XKeymapEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XMapEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XMapRequestEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XPropertyEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XReparentEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XResizeRequestEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XSelectionClearEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XSelectionEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XSelectionRequestEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XUnmapEvent(__libmansuffix__),
|
|
Packit |
5bd3a9 |
XVisibilityEvent(__libmansuffix__)
|
|
Packit |
5bd3a9 |
.br
|
|
Packit |
5bd3a9 |
\fI\*(xL\fP
|