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/* $Xorg: EditresP.h,v 1.4 2001/02/09 02:03:52 xorgcvs Exp $ */
/*
Copyright 1989, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
*/
/* $XFree86: xc/lib/Xmu/EditresP.h,v 1.5 2001/01/17 19:42:55 dawes Exp $ */
/*
* Author: Chris D. Peterson, MIT X Consortium
*/
/************************************************************
The Editres Protocol
The Client message sent to the application is:
ATOM = "ResEditor" --- RES_EDITOR_NAME
FORMAT = 32 --- RES_EDIT_SEND_EVENT_FORMAT
l[0] = timestamp
l[1] = command atom name
l[2] = ident of command
l[3] = protocol version number to use
The binary protocol has the following format:
Card8: 8-bit unsingned integer
Card16: 16-bit unsingned integer
Card32: 32-bit unsingned integer
Int16: 16-bit signed integer
Window: 32-bit value
Widget: 32-bit value
String8: ListOfCard8
[a][b][c] represent an exclusive list of choices.
All widgets are passed as a list of widgets, containing the
full instance heirarch of this widget. The hierarchy is ordered
from parent to child. Thus the first element of each list is
the root of the widget tree (this makes verifying that the widget
still exists, MUCH faster).
ListOfFoo comprises a list of things in the following format:
number: Card16
<number> things: ????
This is a synchronous protocol, every request MUST be followed by a
reply.
Request:
Serial Number: Card8
Op Code: Card8 - { SendWidgetTree = 0,
SetValues = 1,
GetResources = 2,
GetGeometry = 3,
FindChild = 4,
GetValues = 5 }
Length: Card32
Data:
Reply:
Serial Number: Card8
Type: Card8 - { Formatted = 0,
Unformatted = 1,
ProtocolMismatch = 2
}
Length: Card32
Byte Order:
All Fields are MSB -> LSB
Data:
Formatted:
The data contains the reply information for the request as
specified below if the reply type is "Formatted". The return
values for the other reply types are shown below.
Unformatted:
Message: String8
ProtocolMismatch:
RequestedVersion: Card8
------------------------------------------------------------
SendWidgetTree:
--->
Number of Entries: Card16
Entry:
widget: ListOfWidgets
name: String8
class: String8
window: Card32
toolkit: String8
Send Widget Tree returns the toolkit type, and a fuly specified list
of widgets for each widget in the tree. This is enough information
to completely reconstruct the entire widget heirarchy.
The window return value contains the Xid of the window currently
used by this widget. If the widget is unrealized then 0 is returned,
and if widget is a non-windowed object a value of 2 is returned.
SetValues:
name: String8
type: String8
value: String8
Number of Entries: Card16
Entry:
widget: ListOfWidgets
--->
Number of Entries: Card16
Entry:
widget: ListOfWidgets
message: String8
SetValues will allow the same resource to be set on a number of
widgets. This function will return an error message if the SetValues
request caused an Xt error.
GetValues:
names: ListOfString8
widget: Widget
--->
novalues: ListOfCard16
values: ListOfString8
GetValues will allow a number of resource values to be read
on a particular widget. The request specifies the names of
the resources wanted and the widget id these resources are
from. The reply returns a list of indices from the requests
name list of resources for which a value can not be returned.
It also returns a list of returned values, in the order of the
requests names list, skipping those indices present in novalues.
GetResources:
Number of Entries: Card16
Entry
widget: ListOfWidgets:
---->
Number of Entries: Card16
Entry
Widget: ListOfWidgets:
Error: Bool
[ Message: String 8 ]
[ Number of Resources: Card16
Resource:
Kind: {normal, constraint}
Name: String8
Class: String8
Type: String8 ]
GetResource retrieves the kind, name, class and type for every
widget passed to it. If an error occured with the resource fetch
Error will be set to True for the given widget and a message
is returned rather than the resource info.
GetGeometry:
Number of Entries: Card16
Entry
Widget: ListOfWidgets:
---->
Number of Entries: Card16
Entry
Widget: ListOfWidgets:
Error: Bool
[ message: String 8 ]
[ mapped: Boolean
X: Int16
Y: Int16
Width: Card16
Height: Card16
BorderWidth: Card16 ]
GetGeometry retreives the mapping state, x, y, width, height
and border width for each widget specified. If an error occured
with the geometry fetch "Error" will be set to True for the given
widget and a message is returned rather than the geometry info.
X an Y corrospond to the root coordinates of the upper left corner
of the widget (outside the window border).
FindChild:
Widget: ListOfWidgets
X: Int16
Y: Int16
--->
Widget: ListOfWidgets
Find Child returns a descendent of the widget specified that
is at the root coordinates specified.
NOTE:
The returned widget is undefined if the point is contained in
two or more mapped widgets, or in two overlapping Rect objs.
GetValues:
names: ListOfString8
widget: Widget
--->
values: ListOfString8
GetValues will allow a number of resource values to be read
on a particular widget. Currently only InterViews 3.0.1 Styles
and their attributes are supported. In addition, the current
user interface only supports the return of 1 resource. The ability
to specify and return multiple resources is defined for future editres
interfaces where some or all of a widgets resource values are returned
and displayed at once.
************************************************************/
#include <X11/Intrinsic.h>
#include <X11/Xfuncproto.h>
#define XER_NBBY 8 /* number of bits in a byte */
#define BYTE_MASK 255
#define HEADER_SIZE 6
#define EDITRES_IS_OBJECT 2
#define EDITRES_IS_UNREALIZED 0
/*
* Format for atoms
*/
#define EDITRES_FORMAT 8
#define EDITRES_SEND_EVENT_FORMAT 32
/*
* Atoms
*/
#define EDITRES_NAME "Editres"
#define EDITRES_COMMAND_ATOM "EditresCommand"
#define EDITRES_COMM_ATOM "EditresComm"
#define EDITRES_CLIENT_VALUE "EditresClientVal"
#define EDITRES_PROTOCOL_ATOM "EditresProtocol"
typedef enum {
SendWidgetTree = 0,
SetValues = 1,
GetResources = 2,
GetGeometry = 3,
FindChild = 4,
GetValues = 5
} EditresCommand;
typedef enum {
NormalResource = 0,
ConstraintResource = 1
} ResourceType;
/*
* The type of a resource identifier
*/
typedef unsigned char ResIdent;
typedef enum {
PartialSuccess = 0,
Failure = 1,
ProtocolMismatch = 2
} EditResError;
typedef struct _WidgetInfo {
unsigned short num_widgets;
unsigned long *ids;
Widget real_widget;
} WidgetInfo;
typedef struct _ProtocolStream {
unsigned long size, alloc;
unsigned char *real_top, *top, *current;
} ProtocolStream;
/************************************************************
* Function definitions for reading and writing protocol requests
************************************************************/
_XFUNCPROTOBEGIN
void _XEditResPutString8
(
ProtocolStream *stream,
char *str
);
void _XEditResPut8
(
ProtocolStream *stream,
unsigned int value
);
void _XEditResPut16
(
ProtocolStream *stream,
unsigned int value
);
void _XEditResPut32
(
ProtocolStream *stream,
unsigned long value
);
void _XEditResPutWidgetInfo
(
ProtocolStream *stream,
WidgetInfo *info
);
void _XEditResResetStream
(
ProtocolStream *stream
);
Bool _XEditResGet8
(
ProtocolStream *stream,
unsigned char *value
);
Bool _XEditResGet16
(
ProtocolStream *stream,
unsigned short *value
);
Bool _XEditResGetSigned16
(
ProtocolStream *stream,
short *value
);
Bool _XEditResGet32
(
ProtocolStream *stream,
unsigned long *value
);
Bool _XEditResGetString8
(
ProtocolStream *stream,
char **str
);
Bool _XEditResGetWidgetInfo
(
ProtocolStream *stream,
WidgetInfo *info
);
_XFUNCPROTOEND