* win/tkWinDialog.c (Tk_ChooseDirectoryObjCmd): enable the new

	style choosedir that has a "New Folder" button, with
	::tk::winChooseDirFlags override for new behavior. [Bug 2779910]

1 files changed, 16 insertions, 6 deletions

diff --git a/win/tkWinDialog.c b/win/tkWinDialog.c
index 4b75595..f8ffe13 100644
--- a/win/tkWinDialog.c
+++ b/win/tkWinDialog.c
@@ -8,7 +8,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkWinDialog.c,v 1.61 2009/01/28 20:47:49 nijtmans Exp $
+ * RCS: @(#) $Id: tkWinDialog.c,v 1.62 2009/04/23 22:01:29 hobbs Exp $
  *
  */
 
@@ -37,6 +37,10 @@
 #define BIF_VALIDATE 0x0020
 #endif
 
+#ifndef BIF_NEWDIALOGSTYLE
+#define BIF_NEWDIALOGSTYLE 0x0040
+#endif
+
 #ifndef BFFM_VALIDATEFAILED
 #ifdef UNICODE
 #define BFFM_VALIDATEFAILED 4
@@ -1691,6 +1695,7 @@ Tk_ChooseDirectoryObjCmd(
     TCHAR saveDir[MAX_PATH];
     Tcl_DString titleString;	/* UTF Title */
     Tcl_DString initDirString;	/* Initial directory */
+    Tcl_Obj *objPtr;
     static const char *const optionStrings[] = {
 	"-initialdir", "-mustexist",  "-parent",  "-title", NULL
     };
@@ -1796,12 +1801,19 @@ Tk_ChooseDirectoryObjCmd(
     }
 
     /*
-     * Set flags to add edit box (needs 4.71 Shell DLLs), status text line,
-     * validate edit box and
+     * Set flags to add edit box, status text line and use the new ui.
+     * Allow override with magic variable (ignore errors in retrieval).
+     * See http://msdn.microsoft.com/en-us/library/bb773205(VS.85).aspx
+     * for possible flag values.
      */
 
     bInfo.ulFlags = BIF_EDITBOX | BIF_STATUSTEXT | BIF_RETURNFSANCESTORS
-	    | BIF_VALIDATE;
+	| BIF_VALIDATE | BIF_NEWDIALOGSTYLE;
+    objPtr = Tcl_GetVar2Ex(interp, "::tk::winChooseDirFlags", NULL,
+	    TCL_GLOBAL_ONLY);
+    if (objPtr != NULL) {
+	Tcl_GetIntFromObj(NULL, objPtr, &(bInfo.ulFlags));
+    }
 
     /*
      * Callback to handle events
@@ -1902,8 +1914,6 @@ ChooseDirectoryValidateProc(
 
     chooseDirSharedData = (CHOOSEDIRDATA *)lpData;
 
-    TkWinSetUserData(hwnd, lpData);
-
     if (tsdPtr->debugFlag) {
 	tsdPtr->debugInterp = (Tcl_Interp *) chooseDirSharedData->interp;
 	Tcl_DoWhenIdle(SetTkDialog, (ClientData) hwnd);