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[eos/base.git] / util / src / TclTk / tcl8.6.12 / unix / tclXtTest.c

diff --git a/util/src/TclTk/tcl8.6.12/unix/tclXtTest.c b/util/src/TclTk/tcl8.6.12/unix/tclXtTest.c
new file mode 100644 (file)
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--- /dev/null
+++ b/util/src/TclTk/tcl8.6.12/unix/tclXtTest.c
@@ -0,0 +1,133 @@
+/*
+ * 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.
+ */
+
+#ifndef USE_TCL_STUBS
+#   define USE_TCL_STUBS
+#endif
+#include <X11/Intrinsic.h>
+#include "tcl.h"
+
+static Tcl_ObjCmdProc TesteventloopCmd;
+
+/*
+ * Functions defined in tclXtNotify.c for use by users of the Xt Notifier:
+ */
+
+extern void    InitNotifier(void);
+extern XtAppContext    TclSetAppContext(XtAppContext ctx);
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * 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.
+ *
+ *----------------------------------------------------------------------
+ */
+
+DLLEXPORT int
+Tclxttest_Init(
+    Tcl_Interp *interp)                /* Interpreter for application. */
+{
+    if (Tcl_InitStubs(interp, "8.1", 0) == NULL) {
+       return TCL_ERROR;
+    }
+    XtToolkitInitialize();
+    InitNotifier();
+    Tcl_CreateObjCommand(interp, "testeventloop", TesteventloopCmd,
+           NULL, NULL);
+    return TCL_OK;
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * 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 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;
+}
+\f
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * tab-width: 8
+ * End:
+ */