From 769e2a72d168a1d7dc70b6eb192d1790b04aa114 Mon Sep 17 00:00:00 2001
From: jules <jules@rawmaterialsoftware.com>
Date: Fri, 19 Oct 2012 18:44:44 +0100
Subject: [PATCH] Added a notification mode to Scrollbar::setCurrentRange()

---
 modules/juce_gui_basics/layout/juce_ScrollBar.cpp | 10 ++++++++--
 modules/juce_gui_basics/layout/juce_ScrollBar.h   |  6 +++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/modules/juce_gui_basics/layout/juce_ScrollBar.cpp b/modules/juce_gui_basics/layout/juce_ScrollBar.cpp
index c8458e5c80..b6e697c808 100644
--- a/modules/juce_gui_basics/layout/juce_ScrollBar.cpp
+++ b/modules/juce_gui_basics/layout/juce_ScrollBar.cpp
@@ -95,7 +95,8 @@ void ScrollBar::setRangeLimits (const double newMinimum, const double newMaximum
     setRangeLimits (Range<double> (newMinimum, newMaximum));
 }
 
-bool ScrollBar::setCurrentRange (const Range<double>& newRange)
+bool ScrollBar::setCurrentRange (const Range<double>& newRange,
+                                 const NotificationType notification)
 {
     const Range<double> constrainedRange (totalRange.constrainRange (newRange));
 
@@ -104,7 +105,12 @@ bool ScrollBar::setCurrentRange (const Range<double>& newRange)
         visibleRange = constrainedRange;
 
         updateThumbPosition();
-        triggerAsyncUpdate();
+
+        if (notification != dontSendNotification)
+            triggerAsyncUpdate();
+
+        if (notification == sendNotificationSync)
+            handleUpdateNowIfNeeded();
 
         return true;
     }
diff --git a/modules/juce_gui_basics/layout/juce_ScrollBar.h b/modules/juce_gui_basics/layout/juce_ScrollBar.h
index 9c791d912b..2ce48b9908 100644
--- a/modules/juce_gui_basics/layout/juce_ScrollBar.h
+++ b/modules/juce_gui_basics/layout/juce_ScrollBar.h
@@ -137,10 +137,14 @@ public:
         asynchronous call to ScrollBar::Listener::scrollBarMoved() for all the listeners that
         are registered.
 
+        The notification parameter can be used to optionally send or inhibit a callback to
+        any scrollbar listeners.
+
         @returns true if the range was changed, or false if nothing was changed.
         @see getCurrentRange. setCurrentRangeStart
     */
-    bool setCurrentRange (const Range<double>& newRange);
+    bool setCurrentRange (const Range<double>& newRange,
+                          NotificationType notification = sendNotificationAsync);
 
     /** Changes the position of the scrollbar's 'thumb'.