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-rw-r--r--generic/tkTextDisp.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c
index 3cee288..d8a17a9 100644
--- a/generic/tkTextDisp.c
+++ b/generic/tkTextDisp.c
@@ -590,7 +590,7 @@ static int TextGetScrollInfoObj(Tcl_Interp *interp,
Tcl_Obj *CONST objv[], double *dblPtr,
int *intPtr);
static void AsyncUpdateLineMetrics(ClientData clientData);
-static void GenerateWidgetViewSyncEvent(TkText *textPtr);
+static void GenerateWidgetViewSyncEvent(TkText *textPtr, Bool InSync);
static void AsyncUpdateYScrollbar(ClientData clientData);
static int IsStartOfNotMergedLine(TkText *textPtr,
CONST TkTextIndex *indexPtr);
@@ -2930,8 +2930,6 @@ AsyncUpdateLineMetrics(
LOG("tk_textInvalidateLine", buffer);
}
- GenerateWidgetViewSyncEvent(textPtr);
-
/*
* If we're not in the middle of a long-line calculation (metricEpoch==-1)
* and we've reached the last line, then we're done.
@@ -2959,6 +2957,14 @@ AsyncUpdateLineMetrics(
textPtr->afterSyncCmd = 0;
}
+ /*
+ * Fire the <<WidgetViewSync>> event since the widget view is in sync
+ * with its internal data (actually it will be after the next trip
+ * through the event loop, because the widget redraws at idle-time).
+ */
+
+ GenerateWidgetViewSyncEvent(textPtr, 1);
+
textPtr->refCount--;
if (textPtr->refCount == 0) {
ckfree((char *) textPtr);
@@ -2983,8 +2989,9 @@ AsyncUpdateLineMetrics(
* Send the <<WidgetViewSync>> event related to the text widget
* line metrics asynchronous update.
* This is equivalent to:
- * event generate $textWidget <<WidgetViewSync>> -detail $N
- * where $N is the number of lines for which the height is outdated.
+ * event generate $textWidget <<WidgetViewSync>> -detail $s
+ * where $s is the sync status: true (when the widget view is in
+ * sync with its internal data) or false (when it is not).
*
* Results:
* None
@@ -2997,7 +3004,8 @@ AsyncUpdateLineMetrics(
static void
GenerateWidgetViewSyncEvent(
- TkText *textPtr) /* Information about text widget. */
+ TkText *textPtr, /* Information about text widget. */
+ Bool InSync) /* True if in sync, false otherwise */
{
union {XEvent general; XVirtualEvent virtual;} event;
@@ -3008,7 +3016,7 @@ GenerateWidgetViewSyncEvent(
event.general.xany.window = Tk_WindowId(textPtr->tkwin);
event.general.xany.display = Tk_Display(textPtr->tkwin);
event.virtual.name = Tk_GetUid("WidgetViewSync");
- event.virtual.user_data = Tcl_NewIntObj(TkTextPendingsync(textPtr));
+ event.virtual.user_data = Tcl_NewBooleanObj(InSync);
Tk_HandleEvent(&event.general);
}
@@ -3391,6 +3399,7 @@ TextInvalidateLineMetrics(
textPtr->refCount++;
dInfoPtr->lineUpdateTimer = Tcl_CreateTimerHandler(1,
AsyncUpdateLineMetrics, (ClientData) textPtr);
+ GenerateWidgetViewSyncEvent(textPtr, 0);
}
}
@@ -5095,6 +5104,7 @@ TkTextRelayoutWindow(
textPtr->refCount++;
dInfoPtr->lineUpdateTimer = Tcl_CreateTimerHandler(1,
AsyncUpdateLineMetrics, (ClientData) textPtr);
+ GenerateWidgetViewSyncEvent(textPtr, 0);
}
}
}