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authorRichard Linden <none@none>2011-10-27 17:22:26 -0700
committerRichard Linden <none@none>2011-10-27 17:22:26 -0700
commit6e8ffc247fe52668446b8fa1ed7f1547a755076f (patch)
tree23b6fa5ce6bf6a32944faca54f9a18aca255fd75 /indra/llui/llviewinject.cpp
parent0ecc5c0878adf93e96b99e3db4c65cdb757b99fb (diff)
parentfcd1ccd21e3ea8f0944537347dd6c9d7972d50ce (diff)
Automated merge with ssh://hg.lindenlab.com/richard/viewer-experience
Diffstat (limited to 'indra/llui/llviewinject.cpp')
-rw-r--r--indra/llui/llviewinject.cpp49
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diff --git a/indra/llui/llviewinject.cpp b/indra/llui/llviewinject.cpp
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+/**
+ * @file llviewinject.cpp
+ * @author Nat Goodspeed
+ * @date 2011-08-16
+ * @brief Implementation for llviewinject.
+ *
+ * $LicenseInfo:firstyear=2011&license=viewerlgpl$
+ * Copyright (c) 2011, Linden Research, Inc.
+ * $/LicenseInfo$
+ */
+
+// Precompiled header
+#include "linden_common.h"
+// associated header
+#include "llviewinject.h"
+// STL headers
+// std headers
+// external library headers
+// other Linden headers
+
+llview::TargetEvent::TargetEvent(LLView* view)
+{
+ // Walk up the view tree from target LLView to the root (NULL). If
+ // passed NULL, iterate 0 times.
+ for (; view; view = view->getParent())
+ {
+ // At each level, operator() is going to ask: for a particular parent
+ // LLView*, which of its children should I select? So for this view's
+ // parent, select this view.
+ mChildMap[view->getParent()] = view;
+ }
+}
+
+bool llview::TargetEvent::operator()(const LLView* view, S32 /*x*/, S32 /*y*/) const
+{
+ // We are being called to decide whether to direct an incoming mouse event
+ // to this child view. (Normal LLView processing is to check whether the
+ // incoming (x, y) is within the view.) Look up the parent to decide
+ // whether, for that parent, this is the previously-selected child.
+ ChildMap::const_iterator found(mChildMap.find(view->getParent()));
+ // If we're looking at a child whose parent isn't even in the map, never
+ // mind.
+ if (found == mChildMap.end())
+ {
+ return false;
+ }
+ // So, is this the predestined child for this parent?
+ return (view == found->second);
+}