From fee33f45fdd9f68ed547b7479f53e4c716ee919d Mon Sep 17 00:00:00 2001
From: jules <julianstorer@gmail.com>
Date: Fri, 30 Sep 2011 17:06:50 +0100
Subject: [PATCH] Added Component::findChildWithID

---
 .../juce_gui_basics/components/juce_Component.cpp    | 12 ++++++++++++
 modules/juce_gui_basics/components/juce_Component.h  |  9 +++++++--
 .../juce_RelativeCoordinatePositioner.cpp            | 10 +---------
 3 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/modules/juce_gui_basics/components/juce_Component.cpp b/modules/juce_gui_basics/components/juce_Component.cpp
index a654c8e07c..f3d603e7a5 100644
--- a/modules/juce_gui_basics/components/juce_Component.cpp
+++ b/modules/juce_gui_basics/components/juce_Component.cpp
@@ -1440,6 +1440,18 @@ int Component::getIndexOfChildComponent (const Component* const child) const noe
     return childComponentList.indexOf (const_cast <Component*> (child));
 }
 
+Component* Component::findChildWithID (const String& targetID) const noexcept
+{
+    for (int i = childComponentList.size(); --i >= 0;)
+    {
+        Component* const c = childComponentList.getUnchecked(i);
+        if (c->componentID == targetID)
+            return c;
+    }
+
+    return nullptr;
+}
+
 Component* Component::getTopLevelComponent() const noexcept
 {
     const Component* comp = this;
diff --git a/modules/juce_gui_basics/components/juce_Component.h b/modules/juce_gui_basics/components/juce_Component.h
index 988a3ad339..d4b58d296c 100644
--- a/modules/juce_gui_basics/components/juce_Component.h
+++ b/modules/juce_gui_basics/components/juce_Component.h
@@ -101,13 +101,13 @@ public:
     virtual void setName (const String& newName);
 
     /** Returns the ID string that was set by setComponentID().
-        @see setComponentID
+        @see setComponentID, findChildWithID
     */
     const String& getComponentID() const noexcept           { return componentID; }
 
     /** Sets the component's ID string.
         You can retrieve the ID using getComponentID().
-        @see getComponentID
+        @see getComponentID, findChildWithID
     */
     void setComponentID (const String& newID);
 
@@ -699,6 +699,11 @@ public:
     */
     int getIndexOfChildComponent (const Component* child) const noexcept;
 
+    /** Looks for a child component with the specified ID.
+        @see setComponentID, getComponentID
+    */
+    Component* findChildWithID (const String& componentID) const noexcept;
+
     /** Adds a child component to this one.
 
         Adding a child component does not mean that the component will own or delete the child - it's
diff --git a/modules/juce_gui_basics/positioning/juce_RelativeCoordinatePositioner.cpp b/modules/juce_gui_basics/positioning/juce_RelativeCoordinatePositioner.cpp
index e14b7487a8..b22eb6b5ba 100644
--- a/modules/juce_gui_basics/positioning/juce_RelativeCoordinatePositioner.cpp
+++ b/modules/juce_gui_basics/positioning/juce_RelativeCoordinatePositioner.cpp
@@ -80,15 +80,7 @@ Component* RelativeCoordinatePositionerBase::ComponentScope::findSiblingComponen
     Component* const parent = component.getParentComponent();
 
     if (parent != nullptr)
-    {
-        for (int i = parent->getNumChildComponents(); --i >= 0;)
-        {
-            Component* const c = parent->getChildComponent(i);
-
-            if (c->getComponentID() == componentID)
-                return c;
-        }
-    }
+        return parent->findChildWithID (componentID);
 
     return nullptr;
 }