diff options
Diffstat (limited to 'generic/tkListbox.c')
| -rw-r--r-- | generic/tkListbox.c | 56 |
1 files changed, 17 insertions, 39 deletions
diff --git a/generic/tkListbox.c b/generic/tkListbox.c index 8856fa0..78cf3c9 100644 --- a/generic/tkListbox.c +++ b/generic/tkListbox.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: tkListbox.c,v 1.34 2005/11/17 16:21:55 dkf Exp $ + * RCS: @(#) $Id: tkListbox.c,v 1.35 2006/05/29 21:53:16 hobbs Exp $ */ #include "tkPort.h" @@ -2321,30 +2321,19 @@ ListboxInsertSubCmd(listPtr, index, objc, objv) return result; } - Tcl_IncrRefCount(newListObj); - /* - * Clean up the old reference. + * Replace the current object and set attached listvar, if any. + * This may error if listvar points to a var in a deleted namespace, but + * we ignore those errors. If the namespace is recreated, it will + * auto-sync with the current value. [Bug 1424513] */ + Tcl_IncrRefCount(newListObj); Tcl_DecrRefCount(listPtr->listObj); - - /* - * Set the internal pointer to the new obj. - */ - listPtr->listObj = newListObj; - - /* - * If there is a listvar, make sure it points at the new object. - */ - if (listPtr->listVarName != NULL) { - if (Tcl_SetVar2Ex(listPtr->interp, listPtr->listVarName, - NULL, newListObj, TCL_GLOBAL_ONLY) == NULL) { - Tcl_DecrRefCount(newListObj); - return TCL_ERROR; - } + Tcl_SetVar2Ex(listPtr->interp, listPtr->listVarName, + (char *) NULL, listPtr->listObj, TCL_GLOBAL_ONLY); } /* @@ -2495,19 +2484,20 @@ ListboxDeleteSubCmd(listPtr, first, last) return result; } - Tcl_IncrRefCount(newListObj); - /* - * Clean up the old reference. + * Replace the current object and set attached listvar, if any. + * This may error if listvar points to a var in a deleted namespace, but + * we ignore those errors. If the namespace is recreated, it will + * auto-sync with the current value. [Bug 1424513] */ + Tcl_IncrRefCount(newListObj); Tcl_DecrRefCount(listPtr->listObj); - - /* - * Set the internal pointer to the new obj. - */ - listPtr->listObj = newListObj; + if (listPtr->listVarName != NULL) { + Tcl_SetVar2Ex(listPtr->interp, listPtr->listVarName, + (char *) NULL, listPtr->listObj, TCL_GLOBAL_ONLY); + } /* * Get the new list length. @@ -2516,18 +2506,6 @@ ListboxDeleteSubCmd(listPtr, first, last) Tcl_ListObjLength(listPtr->interp, listPtr->listObj, &listPtr->nElements); /* - * If there is a listvar, make sure it points at the new object. - */ - - if (listPtr->listVarName != NULL) { - if (Tcl_SetVar2Ex(listPtr->interp, listPtr->listVarName, - NULL, newListObj, TCL_GLOBAL_ONLY) == NULL) { - Tcl_DecrRefCount(newListObj); - return TCL_ERROR; - } - } - - /* * Update the selection and viewing information to reflect the change in * the element numbering, and redisplay to slide information up over the * elements that were deleted. |