diff options
Diffstat (limited to 'win/tkWinFont.c')
| -rw-r--r-- | win/tkWinFont.c | 47 |
1 files changed, 29 insertions, 18 deletions
diff --git a/win/tkWinFont.c b/win/tkWinFont.c index 416b17f..46ba291 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 1.20 2003/12/10 12:00:22 cc_benny Exp $ + * RCS: @(#) $Id: tkWinFont.c,v 1.21 2003/12/18 14:48:58 cc_benny Exp $ */ #include "tkWinInt.h" @@ -591,11 +591,13 @@ Tk_MeasureChars( * ignored. */ int flags, /* Various flag bits OR-ed together: * TK_PARTIAL_OK means include the last char - * which only partially fit on this line. + * which only partially fits on this line. * TK_WHOLE_WORDS means stop on a word * boundary, if possible. - * TK_AT_LEAST_ONE means return at least one - * character even if no characters fit. */ + * TK_AT_LEAST_ONE means return at least one + * character (or at least the first partial + * word in case TK_WHOLE_WORDS is also set) + * even if no characters (words) fit. */ int *lengthPtr) /* Filled with x-location just after the * terminating character. */ { @@ -624,13 +626,13 @@ Tk_MeasureChars( lastSubFontPtr = &fontPtr->subFontArray[0]; oldFont = SelectObject(hdc, lastSubFontPtr->hFont); - /* - * A three step process: - * 1. Find a contiguous range of characters that can all be - * represented by a single screen font. - * 2. Convert those chars to the encoding of that font. - * 3. Measure converted chars. - */ + /* + * A three step process: + * 1. Find a contiguous range of characters that can all be + * represented by a single screen font. + * 2. Convert those chars to the encoding of that font. + * 3. Measure converted chars. + */ moretomeasure = 0; curX = 0; @@ -726,8 +728,9 @@ Tk_MeasureChars( */ if ((p < end) - && (((flags & TK_PARTIAL_OK) && curX != maxLength) - || ((flags & TK_AT_LEAST_ONE) && (curX == 0)))) { + && (((flags & TK_PARTIAL_OK) && (curX != maxLength)) + || ((p == source) && (flags & TK_AT_LEAST_ONE) + && (curX == 0)))) { /* * Include the first character that didn't quite fit in @@ -745,7 +748,7 @@ Tk_MeasureChars( SelectObject(hdc, oldFont); ReleaseDC(fontPtr->hwnd, hdc); - if ((flags & TK_WHOLE_WORDS) && (p < end) && (ch != ' ')) { + if ((flags & TK_WHOLE_WORDS) && (p < end)) { /* * Scan the string for the last word break and than repeat the @@ -756,19 +759,27 @@ Tk_MeasureChars( Tcl_UniChar ch2; end = p; - p = source + Tcl_UtfToUniChar(source, &ch); - for ( ; p < end; p = next) { + p = source; + ch = 0; + while (p < end) { next = p + Tcl_UtfToUniChar(p, &ch2); if ((ch != ' ') && (ch2 == ' ')) { lastWordBreak = p; } + p = next; + ch = ch2; } if (lastWordBreak != NULL) { return Tk_MeasureChars( - tkfont, source, lastWordBreak-source, -1, 0, lengthPtr ); + tkfont, source, lastWordBreak-source, -1, 0, lengthPtr); } else { - p = end; + if (flags & TK_AT_LEAST_ONE) { + p = end; + } else { + p = source; + curX = 0; + } } } |