diff options
Diffstat (limited to 'generic/tkTextWind.c')
| -rw-r--r-- | generic/tkTextWind.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/generic/tkTextWind.c b/generic/tkTextWind.c index c9f34e4..fdd5378 100644 --- a/generic/tkTextWind.c +++ b/generic/tkTextWind.c @@ -1320,9 +1320,9 @@ EmbWinDelayedUnmap( * index corresponding to the window's position in the text. * * Results: - * The return value is 1 if there is an embedded window by the given name - * in the text widget, 0 otherwise. If the window exists, *indexPtr is - * filled in with its index. + * The return value is TCL_OK if there is an embedded window by the given + * name in the text widget, TCL_ERROR otherwise. If the window exists, + * *indexPtr is filled in with its index. * * Side effects: * None. @@ -1340,19 +1340,30 @@ TkTextWindowIndex( TkTextSegment *ewPtr; if (textPtr == NULL) { - return 0; + return TCL_ERROR; } hPtr = Tcl_FindHashEntry(&textPtr->sharedTextPtr->windowTable, name); if (hPtr == NULL) { - return 0; + return TCL_ERROR; } ewPtr = (TkTextSegment *)Tcl_GetHashValue(hPtr); indexPtr->tree = textPtr->sharedTextPtr->tree; indexPtr->linePtr = ewPtr->body.ew.linePtr; indexPtr->byteIndex = TkTextSegToOffset(ewPtr, indexPtr->linePtr); - return 1; + + /* + * If indexPtr refers to somewhere outside the -startline/-endline + * range limits of the widget, error out since the window indeed is not + * reachable from this text widget (it may be reachable from a peer). + */ + + if (TkTextIndexAdjustToStartEnd(textPtr, indexPtr, 1) == TCL_ERROR) { + return TCL_ERROR; + } + + return TCL_OK; } /* |