diff options
Diffstat (limited to 'generic/tkPanedWindow.c')
| -rw-r--r-- | generic/tkPanedWindow.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/generic/tkPanedWindow.c b/generic/tkPanedWindow.c index c419847..efc4793 100644 --- a/generic/tkPanedWindow.c +++ b/generic/tkPanedWindow.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkPanedWindow.c,v 1.9 2002/09/30 18:55:57 hobbs Exp $ + * RCS: @(#) $Id: tkPanedWindow.c,v 1.10 2002/10/08 19:57:48 hobbs Exp $ */ #include "tkPort.h" @@ -389,10 +389,16 @@ Tk_PanedWindowObjCmd(clientData, interp, objc, objv) pwPtr->cursor = None; pwPtr->sashCursor = None; + /* + * Keep a hold of the associated tkwin until we destroy the widget, + * otherwise Tk might free it while we still need it. + */ + + Tcl_Preserve((ClientData) pwPtr->tkwin); + if (Tk_InitOptions(interp, (char *) pwPtr, pwOpts->pwOptions, tkwin) != TCL_OK) { Tk_DestroyWindow(pwPtr->tkwin); - ckfree((char *) pwPtr); return TCL_ERROR; } @@ -416,11 +422,10 @@ Tk_PanedWindowObjCmd(clientData, interp, objc, objv) pwPtr->proxywin = Tk_CreateAnonymousWindow(interp, parent, (char *) NULL); Tk_CreateEventHandler(pwPtr->proxywin, ExposureMask, ProxyWindowEventProc, (ClientData) pwPtr); - + if (ConfigurePanedWindow(interp, pwPtr, objc - 2, objv + 2) != TCL_OK) { Tk_DestroyWindow(pwPtr->proxywin); Tk_DestroyWindow(pwPtr->tkwin); - ckfree((char *) pwPtr); return TCL_ERROR; } @@ -1466,18 +1471,19 @@ DestroyPanedWindow(pwPtr) if (pwPtr->slaves) { ckfree((char *) pwPtr->slaves); } - + /* * Remove the widget command from the interpreter. */ Tcl_DeleteCommandFromToken(pwPtr->interp, pwPtr->widgetCmd); - + /* * Let Tk_FreeConfigOptions clean up the rest. */ - + Tk_FreeConfigOptions((char *) pwPtr, pwPtr->optionTable, pwPtr->tkwin); + Tcl_Release((ClientData) pwPtr->tkwin); pwPtr->tkwin = NULL; Tcl_EventuallyFree((ClientData) pwPtr, TCL_DYNAMIC); |