diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tkTextDisp.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c index 2a3cf44..ac1d8d2 100644 --- a/generic/tkTextDisp.c +++ b/generic/tkTextDisp.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: tkTextDisp.c,v 1.10 2002/04/22 12:45:49 dkf Exp $ + * RCS: @(#) $Id: tkTextDisp.c,v 1.11 2002/04/23 00:20:35 hobbs Exp $ */ #include "tkPort.h" @@ -1890,6 +1890,25 @@ DisplayLineBackground(textPtr, dlPtr, prevPtr, pixmap) rightX = maxX; } if (chunkPtr->stylePtr->bgGC != None) { + /* Not visible - bail out now */ + if (rightX + xOffset <= 0) { + leftX = rightX; + continue; + } + + /* + * Trim the start position for drawing to be no further away than + * -borderWidth. The reason is that on many X servers drawing from + * -32768 (or less) to +something simply does not display + * correctly. [Patch #541999] + */ + if ((leftX + xOffset) < -(sValuePtr->borderWidth)) { + leftX = -sValuePtr->borderWidth - xOffset; + } + if ((rightX - leftX) > 32767) { + rightX = leftX + 32767; + } + XFillRectangle(display, pixmap, chunkPtr->stylePtr->bgGC, leftX + xOffset, 0, (unsigned int) (rightX - leftX), (unsigned int) dlPtr->height); |