X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/6cb61a05b6157236bbea7b351cfc741eb6853605..aa153a7fb1e0ef328e156d057c5a3287e14b0d37:/mac/macterm.c

diff --git a/mac/macterm.c b/mac/macterm.c
index 6d0904bd..3de1d582 100644
--- a/mac/macterm.c
+++ b/mac/macterm.c
@@ -1,4 +1,4 @@
-/* $Id: macterm.c,v 1.27 2002/12/31 01:40:14 ben Exp $ */
+/* $Id: macterm.c,v 1.31 2003/01/02 00:33:40 ben Exp $ */
 /*
  * Copyright (c) 1999 Simon Tatham
  * Copyright (c) 1999, 2002 Ben Harris
@@ -60,6 +60,7 @@
 
 #include "macresid.h"
 #include "putty.h"
+#include "charset.h"
 #include "mac.h"
 #include "storage.h"
 #include "terminal.h"
@@ -211,6 +212,7 @@ static void mac_initfont(Session *s) {
     Str255 macfont;
     FontInfo fi;
     TextEncoding enc;
+    OptionBits fbflags;
 
     SetPort(s->window);
     macfont[0] = sprintf((char *)&macfont[1], "%s", s->cfg.font);
@@ -231,24 +233,30 @@ static void mac_initfont(Session *s) {
 
     if (s->uni_to_font != NULL)
 	DisposeUnicodeToTextInfo(&s->uni_to_font);
-    if (mac_gestalts.encvvers == 0 ||
+    if (mac_gestalts.encvvers != 0 &&
 	UpgradeScriptInfoToTextEncoding(kTextScriptDontCare,
 					kTextLanguageDontCare,
 					kTextRegionDontCare, macfont,
-					&enc) != noErr ||
-	CreateUnicodeToTextInfoByEncoding(enc, &s->uni_to_font) != noErr) {
-	s->uni_to_font = NULL;
-    } else {
+					&enc) == noErr &&
+	CreateUnicodeToTextInfoByEncoding(enc, &s->uni_to_font) == noErr) {
 	if (uni_to_font_fallback_upp == NULL)
 	    uni_to_font_fallback_upp =
 		NewUnicodeToTextFallbackProc(&uni_to_font_fallback);
+	fbflags = kUnicodeFallbackCustomOnly;
+	if (mac_gestalts.uncvattr & kTECAddFallbackInterruptMask)
+	    fbflags |= kUnicodeFallbackInterruptSafeMask;
 	if (SetFallbackUnicodeToText(s->uni_to_font,
-	    uni_to_font_fallback_upp, 
-	    kUnicodeFallbackCustomOnly | kUnicodeFallbackInterruptSafeMask,
-	    NULL) != noErr) {
+	    uni_to_font_fallback_upp, fbflags, NULL) != noErr) {
 	    DisposeUnicodeToTextInfo(&s->uni_to_font);
-	    s->uni_to_font = NULL;
+	    goto no_encv;
 	}
+    } else {
+      no_encv:
+	s->uni_to_font = NULL;
+	s->font_charset =
+	    charset_from_macenc(FontToScript(s->fontnum),
+				GetScriptManagerVariable(smRegionCode),
+				mac_gestalts.sysvers, s->cfg.font);
     }
 
     mac_adjustsize(s, s->term->rows, s->term->cols);
@@ -261,7 +269,13 @@ static pascal OSStatus uni_to_font_fallback(UniChar *ucp,
 
     if (olen < 1)
 	return kTECOutputBufferFullStatus;
-    *obuf = '?';
+    /*
+     * What I'd _like_ to do here is to somehow generate the
+     * missing-character glyph that every font is required to have.
+     * Unfortunately (and somewhat surprisingly), I can't find any way
+     * to actually ask for it explicitly.  Bah.
+     */
+    *obuf = '.';
     *iusedp = ilen;
     *ousedp = 1;
     return noErr;
@@ -945,7 +959,10 @@ void do_text(Context ctx, int x, int y, char *text, int len,
     RgnHandle textrgn;
     char mactextbuf[1024];
     UniChar unitextbuf[1024];
+    wchar_t *unitextptr;
     int i;
+    ByteCount iread, olen;
+    OSStatus err;
 
     assert(len <= 1024);
 
@@ -959,23 +976,28 @@ void do_text(Context ctx, int x, int y, char *text, int len,
     if (!RectInRgn(&a.textrect, s->window->visRgn))
 	return;
 
-    if (s->uni_to_font != NULL) {
-	ByteCount iread, olen;
-	OSStatus err;
+    /* Unpack Unicode from the mad format we get passed */
+    for (i = 0; i < len; i++)
+	unitextbuf[i] = (unsigned char)text[i] | (attr & CSET_MASK);
 
-	for (i = 0; i < len; i++)
-	    unitextbuf[i] = (unsigned char)text[i] | (attr & CSET_MASK);
+    if (s->uni_to_font != NULL) {
 	err = ConvertFromUnicodeToText(s->uni_to_font, len * sizeof(UniChar),
 				       unitextbuf, kUnicodeUseFallbacksMask,
 				       0, NULL, NULL, NULL,
 				       1024, &iread, &olen, mactextbuf);
-	if (err == noErr || err == kTECUsedFallbacksStatus)
-	    text = mactextbuf; len = olen;
-    }
+	if (err != noErr && err != kTECUsedFallbacksStatus)
+	    olen = 0;
+    } else  if (s->font_charset != CS_NONE) {
+	/* XXX this is bogus if wchar_t and UniChar are different sizes. */
+	unitextptr = (wchar_t *)unitextbuf;
+	olen = charset_from_unicode(&unitextptr, &len, mactextbuf, 1024,
+				    s->font_charset, NULL, ".", 1);
+    } else
+	olen = 0;
 
     a.s = s;
-    a.text = text;
-    a.len = len;
+    a.text = mactextbuf;
+    a.len = olen;
     a.attr = attr;
     a.lattr = lattr;
     a.numer.h = a.numer.v = a.denom.h = a.denom.v = 1;