diff options
Diffstat (limited to 'generic/tkTextDisp.c')
| -rw-r--r-- | generic/tkTextDisp.c | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c index 5faab36..0958986 100644 --- a/generic/tkTextDisp.c +++ b/generic/tkTextDisp.c @@ -3005,7 +3005,7 @@ AsyncUpdateLineMetrics( * The widget has been deleted, or is not mapped. Don't do anything. */ - if (--textPtr->refCount == 0) { + if (textPtr->refCount-- <= 1) { ckfree(textPtr); } return; @@ -3080,8 +3080,7 @@ AsyncUpdateLineMetrics( GenerateWidgetViewSyncEvent(textPtr, 1); - textPtr->refCount--; - if (textPtr->refCount == 0) { + if (textPtr->refCount-- <= 1) { ckfree(textPtr); } return; @@ -4163,7 +4162,7 @@ DisplayText( textPtr->refCount++; dInfoPtr->flags &= ~REPICK_NEEDED; TkTextPickCurrent(textPtr, &textPtr->pickEvent); - if (--textPtr->refCount == 0) { + if (textPtr->refCount-- <= 1) { ckfree(textPtr); goto end; } @@ -4299,8 +4298,9 @@ DisplayText( if (TkScrollWindow(textPtr->tkwin, dInfoPtr->scrollGC, dInfoPtr->x, oldY, dInfoPtr->maxX-dInfoPtr->x, height, 0, y-oldY, damageRgn)) { +#ifndef MAC_OSX_TK TextInvalidateRegion(textPtr, damageRgn); - +#endif } numCopies++; TkDestroyRegion(damageRgn); @@ -6752,7 +6752,7 @@ AsyncUpdateYScrollbar( GetYView(textPtr->interp, textPtr, 1); } - if (--textPtr->refCount == 0) { + if (textPtr->refCount-- <= 1) { ckfree(textPtr); } } @@ -7542,6 +7542,9 @@ TkTextCharLayoutProc( * (b) at least one pixel of the character is visible, we have not * already exceeded the character limit, and the next character is a * white space character. + * In the specific case of 'word' wrapping mode however, include all space + * characters following the characters that fit in the space we've got, + * even if no pixel of them is visible. */ p = segPtr->body.chars + byteOffset; @@ -7581,8 +7584,8 @@ TkTextCharLayoutProc( if (bytesThatFit < maxBytes) { if ((bytesThatFit == 0) && noCharsYet) { - Tcl_UniChar ch; - int chLen = Tcl_UtfToUniChar(p, &ch); + int ch; + int chLen = TkUtfToUniChar(p, &ch); #if TK_LAYOUT_WITH_BASE_CHUNKS bytesThatFit = CharChunkMeasureChars(chunkPtr, line, @@ -7604,6 +7607,21 @@ TkTextCharLayoutProc( nextX = maxX; bytesThatFit++; } + if (wrapMode == TEXT_WRAPMODE_WORD) { + while (p[bytesThatFit] == ' ') { + /* + * Space characters that would go at the beginning of the + * next line are allocated to the current line. This gives + * the effect of trimming white spaces that would otherwise + * be seen at the beginning of wrapped lines. + * Note that testing for '\t' is useless here because the + * chunk always includes at most one trailing \t, see + * LayoutDLine. + */ + + bytesThatFit++; + } + } if (p[bytesThatFit] == '\n') { /* * A newline character takes up no space, so if the previous @@ -7801,7 +7819,7 @@ CharChunkMeasureChars( MeasureChars(tkfont, chars, charsLen, 0, bstart, 0, -1, 0, &widthUntilStart); - xDisplacement = startX - widthUntilStart - chunkPtr->x; + xDisplacement = startX - widthUntilStart - ciPtr->baseChunkPtr->x; } fit = MeasureChars(tkfont, chars, charsLen, 0, bend, @@ -8775,7 +8793,7 @@ FinalizeBaseChunk( #if TK_DRAW_IN_CONTEXT newwidth = 0; CharChunkMeasureChars(chunkPtr, NULL, 0, 0, -1, 0, -1, 0, &newwidth); - if (newwidth != chunkPtr->width) { + if (newwidth < chunkPtr->width) { widthAdjust += newwidth - chunkPtr->width; chunkPtr->width = newwidth; } @@ -8963,13 +8981,13 @@ RemoveFromBaseChunk( bciPtr = baseCharChunkPtr->clientData; +#ifdef DEBUG_LAYOUT_WITH_BASE_CHUNKS if ((ciPtr->baseOffset + ciPtr->numBytes) != Tcl_DStringLength(&bciPtr->baseChars)) { -#ifdef DEBUG_LAYOUT_WITH_BASE_CHUNKS fprintf(stderr,"RemoveFromBaseChunk called with wrong chunk " "(not last)\n"); -#endif } +#endif Tcl_DStringSetLength(&bciPtr->baseChars, ciPtr->baseOffset); |