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-rw-r--r--generic/tkTextDisp.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c
index cfe6e7a..8a9d0e8 100644
--- a/generic/tkTextDisp.c
+++ b/generic/tkTextDisp.c
@@ -658,17 +658,8 @@ TkTextCreateDInfo(
dInfoPtr->metricEpoch = -1;
dInfoPtr->metricIndex.textPtr = NULL;
dInfoPtr->metricIndex.linePtr = NULL;
-
- /*
- * Add a refCount for each of the idle call-backs.
- */
-
- textPtr->refCount++;
- dInfoPtr->lineUpdateTimer = Tcl_CreateTimerHandler(0,
- AsyncUpdateLineMetrics, (ClientData) textPtr);
- textPtr->refCount++;
- dInfoPtr->scrollbarTimer = Tcl_CreateTimerHandler(200,
- AsyncUpdateYScrollbar, (ClientData) textPtr);
+ dInfoPtr->lineUpdateTimer = NULL;
+ dInfoPtr->scrollbarTimer = NULL;
textPtr->dInfoPtr = dInfoPtr;
}
@@ -2912,9 +2903,10 @@ AsyncUpdateLineMetrics(
dInfoPtr->lineUpdateTimer = NULL;
- if ((textPtr->tkwin == NULL) || (textPtr->flags & DESTROYED)) {
+ if ((textPtr->tkwin == NULL) || (textPtr->flags & DESTROYED)
+ || !Tk_IsMapped(textPtr->tkwin)) {
/*
- * The widget has been deleted. Don't do anything.
+ * The widget has been deleted, or is not mapped. Don't do anything.
*/
if (--textPtr->refCount == 0) {