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Diffstat (limited to 'unix/tclXtTest.c')
-rw-r--r-- | unix/tclXtTest.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/unix/tclXtTest.c b/unix/tclXtTest.c new file mode 100644 index 0000000..8437f2a --- /dev/null +++ b/unix/tclXtTest.c @@ -0,0 +1,117 @@ +/* + * 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. + */ + +#include <X11/Intrinsic.h> +#include "tcl.h" + +static int TesteventloopCmd(ClientData clientData, + Tcl_Interp *interp, int argc, CONST char **argv); +extern void InitNotifier(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( + 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, 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 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 ... \"", 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", NULL); + return TCL_ERROR; + } + return TCL_OK; +} |