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/*
* 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.
*
* SCCS: @(#) tclXtTest.c 1.2 97/09/15 15:26:52
*/
#include <X11/Intrinsic.h>
#include "tcl.h"
static int TesteventloopCmd _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int argc, char **argv));
/*
*----------------------------------------------------------------------
*
* 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 interp->result if an error occurs.
*
* Side effects:
* Depends on the startup script.
*
*----------------------------------------------------------------------
*/
int
Tclxttest_Init(interp)
Tcl_Interp *interp; /* Interpreter for application. */
{
Tcl_CreateCommand(interp, "testeventloop", TesteventloopCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) 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, interp, argc, argv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
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 ... \"", (char *) 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", (char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
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