diff options
author | Richard Linden <none@none> | 2011-10-27 17:22:26 -0700 |
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committer | Richard Linden <none@none> | 2011-10-27 17:22:26 -0700 |
commit | 6e8ffc247fe52668446b8fa1ed7f1547a755076f (patch) | |
tree | 23b6fa5ce6bf6a32944faca54f9a18aca255fd75 /indra/llui/llviewinject.cpp | |
parent | 0ecc5c0878adf93e96b99e3db4c65cdb757b99fb (diff) | |
parent | fcd1ccd21e3ea8f0944537347dd6c9d7972d50ce (diff) |
Automated merge with ssh://hg.lindenlab.com/richard/viewer-experience
Diffstat (limited to 'indra/llui/llviewinject.cpp')
-rw-r--r-- | indra/llui/llviewinject.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/indra/llui/llviewinject.cpp b/indra/llui/llviewinject.cpp new file mode 100644 index 0000000000..46c5839f8e --- /dev/null +++ b/indra/llui/llviewinject.cpp @@ -0,0 +1,49 @@ +/** + * @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); +} |