/* * 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 1.1.1.1 2007/07/10 15:04:24 duncan Exp $ */ #include #include "tcl.h" static int TesteventloopCmd _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int argc, CONST char **argv)); extern void InitNotifier _ANSI_ARGS_((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(interp) 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, (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. */ 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 ... \"", (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; }