114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/*
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* tclXtTest.c --
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*
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* Contains commands for Xt notifier specific tests on Unix.
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*
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* Copyright (c) 1997 by Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* SCCS: @(#) tclXtTest.c 1.2 97/09/15 15:26:52
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*/
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#include <X11/Intrinsic.h>
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#include "tcl.h"
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static int TesteventloopCmd _ANSI_ARGS_((ClientData clientData,
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Tcl_Interp *interp, int argc, char **argv));
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/*
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*----------------------------------------------------------------------
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*
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* Tclxttest_Init --
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*
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* This procedure performs application-specific initialization.
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* Most applications, especially those that incorporate additional
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* packages, will have their own version of this procedure.
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*
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* Results:
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* Returns a standard Tcl completion code, and leaves an error
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* message in interp->result if an error occurs.
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*
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* Side effects:
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* Depends on the startup script.
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*
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*----------------------------------------------------------------------
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*/
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int
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Tclxttest_Init(interp)
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Tcl_Interp *interp; /* Interpreter for application. */
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{
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Tcl_CreateCommand(interp, "testeventloop", TesteventloopCmd,
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(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TesteventloopCmd --
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*
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* This procedure implements the "testeventloop" command. It is
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* used to test the Tcl notifier from an "external" event loop
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* (i.e. not Tcl_DoOneEvent()).
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*
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* Results:
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* A standard Tcl result.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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static int
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TesteventloopCmd(clientData, interp, argc, argv)
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ClientData clientData; /* Not used. */
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Tcl_Interp *interp; /* Current interpreter. */
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int argc; /* Number of arguments. */
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char **argv; /* Argument strings. */
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{
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static int *framePtr = NULL; /* Pointer to integer on stack frame of
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* innermost invocation of the "wait"
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* subcommand. */
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if (argc < 2) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"", argv[0],
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" option ... \"", (char *) NULL);
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return TCL_ERROR;
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}
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if (strcmp(argv[1], "done") == 0) {
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*framePtr = 1;
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} else if (strcmp(argv[1], "wait") == 0) {
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int *oldFramePtr;
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int done;
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int oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
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/*
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* Save the old stack frame pointer and set up the current frame.
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*/
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oldFramePtr = framePtr;
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framePtr = &done;
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/*
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* Enter an Xt event loop until the flag changes.
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* Note that we do not explicitly call Tcl_ServiceEvent().
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*/
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done = 0;
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while (!done) {
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XtAppProcessEvent(TclSetAppContext(NULL), XtIMAll);
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}
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(void) Tcl_SetServiceMode(oldMode);
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framePtr = oldFramePtr;
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} else {
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Tcl_AppendResult(interp, "bad option \"", argv[1],
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"\": must be done or wait", (char *) NULL);
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return TCL_ERROR;
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}
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return TCL_OK;
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}
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