1 /*
2 * tclXtTest.c --
3 *
4 * Contains commands for Xt notifier specific tests on Unix.
5 *
6 * Copyright © 1997 Sun Microsystems, Inc.
7 *
8 * See the file "license.terms" for information on usage and redistribution
9 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
10 */
11
12 #ifndef USE_TCL_STUBS
13 # define USE_TCL_STUBS
14 #endif
15 #include <X11/Intrinsic.h>
16 #include "tcl.h"
17
18 static Tcl_ObjCmdProc TesteventloopCmd;
19
20 /*
21 * Functions defined in tclXtNotify.c for use by users of the Xt Notifier:
22 */
23
24 extern void InitNotifier(void);
25 extern XtAppContext TclSetAppContext(XtAppContext ctx);
26
27 /*
28 *----------------------------------------------------------------------
29 *
30 * Tclxttest_Init --
31 *
32 * This procedure performs application-specific initialization. Most
33 * applications, especially those that incorporate additional packages,
34 * will have their own version of this procedure.
35 *
36 * Results:
37 * Returns a standard Tcl completion code, and leaves an error message in
38 * the interp's result if an error occurs.
39 *
40 * Side effects:
41 * Depends on the startup script.
42 *
43 *----------------------------------------------------------------------
44 */
45
46 DLLEXPORT int
Tclxttest_Init(Tcl_Interp * interp)47 Tclxttest_Init(
48 Tcl_Interp *interp) /* Interpreter for application. */
49 {
50 if (Tcl_InitStubs(interp, "8.5-", 0) == NULL) {
51 return TCL_ERROR;
52 }
53 XtToolkitInitialize();
54 InitNotifier();
55 Tcl_CreateObjCommand(interp, "testeventloop", TesteventloopCmd,
56 NULL, NULL);
57 return TCL_OK;
58 }
59
60 /*
61 *----------------------------------------------------------------------
62 *
63 * TesteventloopCmd --
64 *
65 * This procedure implements the "testeventloop" command. It is used to
66 * test the Tcl notifier from an "external" event loop (i.e. not
67 * Tcl_DoOneEvent()).
68 *
69 * Results:
70 * A standard Tcl result.
71 *
72 * Side effects:
73 * None.
74 *
75 *----------------------------------------------------------------------
76 */
77
78 static int
TesteventloopCmd(TCL_UNUSED (ClientData),Tcl_Interp * interp,int objc,Tcl_Obj * const objv[])79 TesteventloopCmd(
80 TCL_UNUSED(ClientData),
81 Tcl_Interp *interp, /* Current interpreter. */
82 int objc, /* Number of arguments. */
83 Tcl_Obj *const objv[]) /* Argument objects. */
84 {
85 static int *framePtr = NULL;/* Pointer to integer on stack frame of
86 * innermost invocation of the "wait"
87 * subcommand. */
88
89 if (objc < 2) {
90 Tcl_WrongNumArgs(interp, 1, objv, "option ...");
91 return TCL_ERROR;
92 }
93 if (strcmp(Tcl_GetString(objv[1]), "done") == 0) {
94 *framePtr = 1;
95 } else if (strcmp(Tcl_GetString(objv[1]), "wait") == 0) {
96 int *oldFramePtr;
97 int done;
98 int oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
99
100 /*
101 * Save the old stack frame pointer and set up the current frame.
102 */
103
104 oldFramePtr = framePtr;
105 framePtr = &done;
106
107 /*
108 * Enter an Xt event loop until the flag changes. Note that we do not
109 * explicitly call Tcl_ServiceEvent().
110 */
111
112 done = 0;
113 while (!done) {
114 XtAppProcessEvent(TclSetAppContext(NULL), XtIMAll);
115 }
116 (void) Tcl_SetServiceMode(oldMode);
117 framePtr = oldFramePtr;
118 } else {
119 Tcl_AppendResult(interp, "bad option \"", Tcl_GetString(objv[1]),
120 "\": must be done or wait", NULL);
121 return TCL_ERROR;
122 }
123 return TCL_OK;
124 }
125
126 /*
127 * Local Variables:
128 * mode: c
129 * c-basic-offset: 4
130 * fill-column: 78
131 * tab-width: 8
132 * End:
133 */
134