1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*
* tclXtTest.c --
*
* Contains commands for Xt notifier specific tests on Unix.
*
* Copyright (c) 1997 by Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclXtTest.c,v 1.6 2005/11/02 23:26:50 dkf Exp $
*/
#include <X11/Intrinsic.h>
#include "tcl.h"
static int TesteventloopCmd(ClientData clientData,
Tcl_Interp *interp, int argc, CONST char **argv);
extern void InitNotifier(void);
/*
*----------------------------------------------------------------------
*
* Tclxttest_Init --
*
* This procedure performs application-specific initialization. Most
* applications, especially those that incorporate additional packages,
* will have their own version of this procedure.
*
* Results:
* Returns a standard Tcl completion code, and leaves an error message in
* the interp's result if an error occurs.
*
* Side effects:
* Depends on the startup script.
*
*----------------------------------------------------------------------
*/
int
Tclxttest_Init(
Tcl_Interp *interp) /* Interpreter for application. */
{
if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) {
return TCL_ERROR;
}
XtToolkitInitialize();
InitNotifier();
Tcl_CreateCommand(interp, "testeventloop", TesteventloopCmd,
(ClientData) 0, NULL);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TesteventloopCmd --
*
* This procedure implements the "testeventloop" command. It is used to
* test the Tcl notifier from an "external" event loop (i.e. not
* Tcl_DoOneEvent()).
*
* Results:
* A standard Tcl result.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static int
TesteventloopCmd(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int argc, /* Number of arguments. */
CONST char **argv) /* Argument strings. */
{
static int *framePtr = NULL;/* Pointer to integer on stack frame of
* innermost invocation of the "wait"
* subcommand. */
if (argc < 2) {
Tcl_AppendResult(interp, "wrong # arguments: should be \"", argv[0],
" option ... \"", NULL);
return TCL_ERROR;
}
if (strcmp(argv[1], "done") == 0) {
*framePtr = 1;
} else if (strcmp(argv[1], "wait") == 0) {
int *oldFramePtr;
int done;
int oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
/*
* Save the old stack frame pointer and set up the current frame.
*/
oldFramePtr = framePtr;
framePtr = &done;
/*
* Enter an Xt event loop until the flag changes. Note that we do not
* explicitly call Tcl_ServiceEvent().
*/
done = 0;
while (!done) {
XtAppProcessEvent(TclSetAppContext(NULL), XtIMAll);
}
(void) Tcl_SetServiceMode(oldMode);
framePtr = oldFramePtr;
} else {
Tcl_AppendResult(interp, "bad option \"", argv[1],
"\": must be done or wait", NULL);
return TCL_ERROR;
}
return TCL_OK;
}
|
