* win/tkWinInt.h: declaration for TkWinGetUnicodeEncoding

	* win/tkWinDialog.c (GetFileNameW): use TkWinGetUnicodeEncoding
	* win/tkWinInit.c (TkpDisplayWarning): use TkWinGetUnicodeEncoding
	* win/tkWinFont.c: use TkWinGetUnicodeEncoding instead of static
	unicodeEncoding.


FossilOrigin-Name: ca09d55644cd9006092eec025b62e54ee611bf11

4 files changed, 17 insertions, 13 deletions

diff --git a/win/tkWinDialog.c b/win/tkWinDialog.c
index 8e0640f..e75d18b 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 1.25 2002/02/08 02:57:11 dgp Exp $
+ * RCS: @(#) $Id: tkWinDialog.c,v 1.26 2002/04/12 07:18:49 hobbs Exp $
  *
  */
 
@@ -495,7 +495,6 @@ GetFileNameW(clientData, interp, objc, objv, open)
     int open;			/* 1 to call GetOpenFileName(), 0 to 
 				 * call GetSaveFileName(). */
 {
-    Tcl_Encoding unicodeEncoding = Tcl_GetEncoding(NULL, "unicode");
     OPENFILENAMEW ofn;
     WCHAR file[TK_MULTI_MAX_PATH];
     int result, winCode, oldMode, i, multi = 0;
@@ -504,6 +503,7 @@ GetFileNameW(clientData, interp, objc, objv, open)
     HWND hWnd;
     Tcl_DString utfFilterString, utfDirString;
     Tcl_DString extString, filterString, dirString, titleString;
+    Tcl_Encoding unicodeEncoding = TkWinGetUnicodeEncoding();
     ThreadSpecificData *tsdPtr = (ThreadSpecificData *) 
             Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
     static CONST char *saveOptionStrings[] = {
@@ -2424,13 +2424,13 @@ Tk_MessageBoxObjCmd(clientData, interp, objc, objv)
     int objc;			/* Number of arguments. */
     Tcl_Obj *CONST objv[];	/* Argument objects. */
 {
-    Tcl_Encoding unicodeEncoding = Tcl_GetEncoding(NULL, "unicode");
     Tk_Window tkwin, parent;
     HWND hWnd;
     char *message, *title;
     int defaultBtn, icon, type;
     int i, oldMode, flags, winCode;
     Tcl_DString messageString, titleString;
+    Tcl_Encoding unicodeEncoding = TkWinGetUnicodeEncoding();
     static CONST char *optionStrings[] = {
 	"-default",	"-icon",	"-message",	"-parent",
 	"-title",	"-type",	NULL
diff --git a/win/tkWinFont.c b/win/tkWinFont.c
index b98e3b9..c6111c8 100644
--- a/win/tkWinFont.c
+++ b/win/tkWinFont.c
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkWinFont.c,v 1.14 2001/09/26 21:36:19 pspjuth Exp $
+ * RCS: @(#) $Id: tkWinFont.c,v 1.15 2002/04/12 07:18:49 hobbs Exp $
  */
 
 #include "tkWinInt.h"
@@ -180,7 +180,6 @@ static Tcl_ThreadDataKey dataKey;
  * Information cached about the system at startup time.
  */
  
-static Tcl_Encoding unicodeEncoding;
 static Tcl_Encoding systemEncoding;
 
 /*
@@ -248,7 +247,6 @@ void
 TkpFontPkgInit(
     TkMainInfo *mainPtr)	/* The application being created. */
 {
-    unicodeEncoding = Tcl_GetEncoding(NULL, "unicode");
     if (TkWinGetPlatformId() == VER_PLATFORM_WIN32_NT) {
 	/*
 	 * If running NT, then we will be calling some Unicode functions 
@@ -256,7 +254,7 @@ TkpFontPkgInit(
 	 * make sure we convert to/from the Unicode char set. 
 	 */
 
-	systemEncoding = unicodeEncoding;
+	systemEncoding = TkWinGetUnicodeEncoding();
     }
 }
 
@@ -1082,7 +1080,7 @@ InitFont(
     InitSubFont(hdc, hFont, 1, &fontPtr->subFontArray[0]);
 
     encoding = fontPtr->subFontArray[0].familyPtr->encoding;
-    if (encoding == unicodeEncoding) {
+    if (encoding == TkWinGetUnicodeEncoding()) {
 	GetCharWidthW(hdc, 0, BASE_CHARS - 1, fontPtr->widths);
     } else {
 	GetCharWidthA(hdc, 0, BASE_CHARS - 1, fontPtr->widths);
@@ -1353,7 +1351,7 @@ FreeFontFamily(
     if (familyPtr->endCount != NULL) {
 	ckfree((char *) familyPtr->endCount);
     }
-    if (familyPtr->encoding != unicodeEncoding) {
+    if (familyPtr->encoding != TkWinGetUnicodeEncoding()) {
 	Tcl_FreeEncoding(familyPtr->encoding);
     }
     
@@ -1671,7 +1669,7 @@ FontMapLoadPage(
     familyPtr = subFontPtr->familyPtr;
     encoding = familyPtr->encoding;
 
-    if (familyPtr->encoding == unicodeEncoding) {
+    if (familyPtr->encoding == TkWinGetUnicodeEncoding()) {
 	/*
 	 * Font is Unicode.  Few fonts are going to have all characters, so 
 	 * examine the TrueType character existence metrics to determine 
diff --git a/win/tkWinInit.c b/win/tkWinInit.c
index ab8e2ae..fec211b 100644
--- a/win/tkWinInit.c
+++ b/win/tkWinInit.c
@@ -9,7 +9,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkWinInit.c,v 1.8 2002/01/29 20:51:24 andreas_kupries Exp $
+ * RCS: @(#) $Id: tkWinInit.c,v 1.9 2002/04/12 07:18:49 hobbs Exp $
  */
 
 #include "tkWinInt.h"
@@ -124,8 +124,8 @@ TkpDisplayWarning(msg, title)
     CONST char *msg;		/* Message to be displayed. */
     CONST char *title;		/* Title of warning. */
 {
-    Tcl_Encoding unicodeEncoding = Tcl_GetEncoding(NULL, "unicode");
     Tcl_DString msgString, titleString;
+    Tcl_Encoding unicodeEncoding = TkWinGetUnicodeEncoding();
 
     Tcl_UtfToExternalDString(unicodeEncoding, msg, -1, &msgString);
     Tcl_UtfToExternalDString(unicodeEncoding, title, -1, &titleString);
diff --git a/win/tkWinInt.h b/win/tkWinInt.h
index 49c3267..ca4916a 100644
--- a/win/tkWinInt.h
+++ b/win/tkWinInt.h
@@ -11,7 +11,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkWinInt.h,v 1.12 2001/12/28 23:43:21 hobbs Exp $
+ * RCS: @(#) $Id: tkWinInt.h,v 1.13 2002/04/12 07:18:49 hobbs Exp $
  */
 
 #ifndef _TKWININT
@@ -193,7 +193,13 @@ EXTERN TkWinProcs *tkWinProcs;
 #undef TCL_STORAGE_CLASS
 #define TCL_STORAGE_CLASS DLLIMPORT
 
+/*
+ * The following allows us to cache these encoding for multiple functions.
+ */
+
+
 extern Tcl_Encoding TkWinGetKeyInputEncoding _ANSI_ARGS_((void));
+extern Tcl_Encoding TkWinGetUnicodeEncoding _ANSI_ARGS_((void));
 
 #endif /* _TKWININT */