Import Tk 8.5.15 (as of svn r89086)

unix/tkUnixInit.c

@@ -0,0 +1,161 @@
+/*
+ * tkUnixInit.c --
+ *
+ *	This file contains Unix-specific interpreter initialization functions.
+ *
+ * Copyright (c) 1995-1997 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 "tkUnixInt.h"
+
+#ifdef HAVE_COREFOUNDATION
+static int		GetLibraryPath(Tcl_Interp *interp);
+#else
+#define GetLibraryPath(dummy)	(void)0
+#endif /* HAVE_COREFOUNDATION */
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpInit --
+ *
+ *	Performs Unix-specific interpreter initialization related to the
+ *      tk_library variable.
+ *
+ * Results:
+ *	Returns a standard Tcl result. Leaves an error message or result in
+ *	the interp's result.
+ *
+ * Side effects:
+ *	Sets "tk_library" Tcl variable, runs "tk.tcl" script.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkpInit(
+    Tcl_Interp *interp)
+{
+    TkCreateXEventSource();
+    GetLibraryPath(interp);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpGetAppName --
+ *
+ *	Retrieves the name of the current application from a platform specific
+ *	location. For Unix, the application name is the tail of the path
+ *	contained in the tcl variable argv0.
+ *
+ * Results:
+ *	Returns the application name in the given Tcl_DString.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkpGetAppName(
+    Tcl_Interp *interp,
+    Tcl_DString *namePtr)	/* A previously initialized Tcl_DString. */
+{
+    CONST char *p, *name;
+
+    name = Tcl_GetVar(interp, "argv0", TCL_GLOBAL_ONLY);
+    if ((name == NULL) || (*name == 0)) {
+	name = "tk";
+    } else {
+	p = strrchr(name, '/');
+	if (p != NULL) {
+	    name = p+1;
+	}
+    }
+    Tcl_DStringAppend(namePtr, name, -1);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpDisplayWarning --
+ *
+ *	This routines is called from Tk_Main to display warning messages that
+ *	occur during startup.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	Generates messages on stdout.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkpDisplayWarning(
+    CONST char *msg,		/* Message to be displayed. */
+    CONST char *title)		/* Title of warning. */
+{
+    Tcl_Channel errChannel = Tcl_GetStdChannel(TCL_STDERR);
+    if (errChannel) {
+	Tcl_WriteChars(errChannel, title, -1);
+	Tcl_WriteChars(errChannel, ": ", 2);
+	Tcl_WriteChars(errChannel, msg, -1);
+	Tcl_WriteChars(errChannel, "\n", 1);
+    }
+}
+
+#ifdef HAVE_COREFOUNDATION
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * GetLibraryPath --
+ *
+ *	If we have a bundle structure for the Tk installation, then check
+ *	there first to see if we can find the libraries there.
+ *
+ * Results:
+ *	TCL_OK if we have found the tk library; TCL_ERROR otherwise.
+ *
+ * Side effects:
+ *	Same as for Tcl_MacOSXOpenVersionedBundleResources.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+GetLibraryPath(
+    Tcl_Interp *interp)
+{
+#ifdef TK_FRAMEWORK
+    int foundInFramework = TCL_ERROR;
+    char tkLibPath[PATH_MAX + 1];
+
+    foundInFramework = Tcl_MacOSXOpenVersionedBundleResources(interp,
+	    "com.tcltk.tklibrary", TK_FRAMEWORK_VERSION, 0, PATH_MAX,
+	    tkLibPath);
+    if (tkLibPath[0] != '\0') {
+        Tcl_SetVar(interp, "tk_library", tkLibPath, TCL_GLOBAL_ONLY);
+    }
+    return foundInFramework;
+#else
+    return TCL_ERROR;
+#endif
+}
+#endif /* HAVE_COREFOUNDATION */
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */