diff options
| -rw-r--r-- | generic/tkTextDisp.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c index f718e2a..8cd5a9a 100644 --- a/generic/tkTextDisp.c +++ b/generic/tkTextDisp.c @@ -3938,8 +3938,17 @@ RedisplayText( { register TkText *textPtr = (TkText *) clientData; TextDInfo *dInfoPtr = textPtr->dInfoPtr; - TkRegion damageRegion = TkCreateRegion(); - XRectangle rectangle = {0, 0, dInfoPtr->maxX, dInfoPtr->maxY}; + TkRegion damageRegion; + XRectangle rectangle; + + if (dInfoPtr == NULL) { + return; + } + damageRegion = TkCreateRegion(); + rectangle.x = 0; + rectangle.y = 0; + rectangle.width = dInfoPtr->maxX; + rectangle.height = dInfoPtr->maxY; TkUnionRectWithRegion(&rectangle, damageRegion, damageRegion); TextInvalidateRegion(textPtr, damageRegion); |