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/*
* tclXtTest.c --
*
* Contains commands for Xt notifier specific tests on Unix.
*
* Copyright © 1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#ifndef USE_TCL_STUBS
# define USE_TCL_STUBS
#endif
#include <X11/Intrinsic.h>
#include "tcl.h"
static Tcl_ObjCmdProc TesteventloopCmd;
extern DLLEXPORT Tcl_PackageInitProc Tclxttest_Init;
/*
* Functions defined in tclXtNotify.c for use by users of the Xt Notifier:
*/
extern void InitNotifier(void);
extern XtAppContext TclSetAppContext(XtAppContext ctx);
/*
*----------------------------------------------------------------------
*
* 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, "8.5-", 0) == NULL) {
return TCL_ERROR;
}
XtToolkitInitialize();
InitNotifier();
Tcl_CreateObjCommand(interp, "testeventloop", TesteventloopCmd,
NULL, 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(
TCL_UNUSED(ClientData),
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
static int *framePtr = NULL;/* Pointer to integer on stack frame of
* innermost invocation of the "wait"
* subcommand. */
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "option ...");
return TCL_ERROR;
}
if (strcmp(Tcl_GetString(objv[1]), "done") == 0) {
*framePtr = 1;
} else if (strcmp(Tcl_GetString(objv[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 \"", Tcl_GetString(objv[1]),
"\": must be done or wait", NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* tab-width: 8
* End:
*/
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