1 files changed, 74 insertions, 0 deletions
diff --git a/generic/ttk/ttkStubLib.c b/generic/ttk/ttkStubLib.c
new file mode 100644
index 0000000..2c07b9d
--- /dev/null
+++ b/generic/ttk/ttkStubLib.c
@@ -0,0 +1,74 @@
+/*
+ * We need to ensure that we use the tcl stub macros so that this file
+ * contains no references to any of the tcl stub functions.
+ */
+
+#undef USE_TCL_STUBS
+#define USE_TCL_STUBS
+
+#include "tk.h"
+
+#define USE_TTK_STUBS 1
+#include "ttkTheme.h"
+
+MODULE_SCOPE const TtkStubs *ttkStubsPtr;
+const TtkStubs *ttkStubsPtr = NULL;
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TtkInitializeStubs --
+ *	Load the Ttk package, initialize stub table pointer.
+ *	Do not call this function directly, use Ttk_InitStubs() macro instead.
+ *
+ * Results:
+ *	The actual version of the package that satisfies the request, or
+ *	NULL to indicate that an error occurred.
+ *
+ * Side effects:
+ *	Sets the stub table pointer.
+ *
+ */
+MODULE_SCOPE const char *
+TtkInitializeStubs(
+    Tcl_Interp *interp, const char *version, int epoch, int revision)
+{
+    int exact = 0;
+    const char *packageName = "Ttk";
+    const char *errMsg = NULL;
+    ClientData pkgClientData = NULL;
+    const char *actualVersion = Tcl_PkgRequireEx(
+	interp, packageName, version, exact, &pkgClientData);
+    const TtkStubs *stubsPtr = pkgClientData;
+
+    if (!actualVersion) {
+	return NULL;
+    }
+
+    if (!stubsPtr) {
+	errMsg = "missing stub table pointer";
+	goto error;
+    }
+    if (stubsPtr->epoch != epoch) {
+	errMsg = "epoch number mismatch";
+	goto error;
+    }
+    if (stubsPtr->revision < revision) {
+	errMsg = "require later revision";
+	goto error;
+    }
+
+    ttkStubsPtr = stubsPtr;
+    return actualVersion;
+
+error:
+    Tcl_ResetResult(interp);
+    Tcl_AppendResult(interp,
+	"Error loading ", packageName, " package",
+	" (requested version '", version,
+	"', loaded version '", actualVersion, "'): ",
+	errMsg, 
+	NULL);
+    return NULL;
+}
+