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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-09-19 12:05:28 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-09-19 12:05:28 (GMT) |
| commit | 06f3173fc0a3402010291caa151baa8fef3e5a9d (patch) | |
| tree | cdabe9c60a5c8e415cbb4f7f05dd9b2b59372edf /unix/tkUnixFont.c | |
| parent | b5deacd1f7c7553a45b73fffe25053df18895a8c (diff) | |
| parent | bdb580aa2563588e6e1f5090bb9b89369e2f2d4f (diff) | |
| download | tk-06f3173fc0a3402010291caa151baa8fef3e5a9d.zip tk-06f3173fc0a3402010291caa151baa8fef3e5a9d.tar.gz tk-06f3173fc0a3402010291caa151baa8fef3e5a9d.tar.bz2 | |
Enhanced proposed fix [6c0d7aec67]: unicode text input Windows 8. More places where Unicode surrogate handling could be improved.
Diffstat (limited to 'unix/tkUnixFont.c')
| -rw-r--r-- | unix/tkUnixFont.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/unix/tkUnixFont.c b/unix/tkUnixFont.c index a4998aa..4a466f1 100644 --- a/unix/tkUnixFont.c +++ b/unix/tkUnixFont.c @@ -406,7 +406,7 @@ ControlUtfProc( { const char *srcStart, *srcEnd; char *dstStart, *dstEnd; - Tcl_UniChar ch; + int ch; int result; static char hexChars[] = "0123456789abcdef"; static char mapChars[] = { @@ -427,9 +427,9 @@ ControlUtfProc( result = TCL_CONVERT_NOSPACE; break; } - src += Tcl_UtfToUniChar(src, &ch); + src += TkUtfToUniChar(src, &ch); dst[0] = '\\'; - if ((ch < sizeof(mapChars)) && (mapChars[ch] != 0)) { + if (((size_t) ch < sizeof(mapChars)) && (mapChars[ch] != 0)) { dst[1] = mapChars[ch]; dst += 2; } else if (ch < 256) { @@ -437,13 +437,21 @@ ControlUtfProc( dst[2] = hexChars[(ch >> 4) & 0xf]; dst[3] = hexChars[ch & 0xf]; dst += 4; - } else { + } else if (ch < 0x10000) { dst[1] = 'u'; dst[2] = hexChars[(ch >> 12) & 0xf]; dst[3] = hexChars[(ch >> 8) & 0xf]; dst[4] = hexChars[(ch >> 4) & 0xf]; dst[5] = hexChars[ch & 0xf]; dst += 6; + } else { + /* TODO we can do better here */ + dst[1] = 'u'; + dst[2] = 'f'; + dst[3] = 'f'; + dst[4] = 'f'; + dst[5] = 'd'; + dst += 6; } } *srcReadPtr = src - srcStart; @@ -946,7 +954,7 @@ void TkpGetFontAttrsForChar( Tk_Window tkwin, /* Window on the font's display */ Tk_Font tkfont, /* Font to query */ - Tcl_UniChar c, /* Character of interest */ + int c, /* Character of interest */ TkFontAttributes *faPtr) /* Output: Font attributes */ { FontAttributes atts; @@ -1028,7 +1036,7 @@ Tk_MeasureChars( curByte = 0; } else if (maxLength < 0) { const char *p, *end, *next; - Tcl_UniChar ch; + int ch; SubFont *thisSubFontPtr; FontFamily *familyPtr; Tcl_DString runString; @@ -1044,7 +1052,7 @@ Tk_MeasureChars( curX = 0; end = source + numBytes; for (p = source; p < end; ) { - next = p + Tcl_UtfToUniChar(p, &ch); + next = p + TkUtfToUniChar(p, &ch); thisSubFontPtr = FindSubFontForChar(fontPtr, ch, &lastSubFontPtr); if (thisSubFontPtr != lastSubFontPtr) { familyPtr = lastSubFontPtr->familyPtr; |