79 lines
2.1 KiB
Text
79 lines
2.1 KiB
Text
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file pgTop.I
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* @author drose
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* @date 2002-03-13
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*/
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/**
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*
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*/
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INLINE PGTop::
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PGTop(const PGTop ©) :
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PandaNode(copy),
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_watcher(copy._watcher),
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_start_sort(copy._start_sort)
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{
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}
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/**
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* Returns the MouseWatcher pointer that the PGTop object registers its PG
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* items with, or NULL if the MouseWatcher has not yet been set.
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*/
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INLINE MouseWatcher *PGTop::
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get_mouse_watcher() const {
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return _watcher;
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}
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/**
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* Returns the MouseWatcherGroup pointer that the PGTop object registers its
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* PG items with, or NULL if the MouseWatcher has not yet been set.
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*/
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INLINE MouseWatcherGroup *PGTop::
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get_group() const {
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return _watcher_group;
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}
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/**
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* Specifies the sort index that is assigned during the traversal to the first
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* PGItem that is discovered during traversal. Subsequent PGItems will be
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* assigned consecutively higher sort indexes.
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*
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* This number is used by the MouseWatcher system to rank the clickable mouse
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* regions in the same order in which the items are rendered, so that items on
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* top will receive mouse priority.
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*
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* Normally, it makes the most sense to leave this initial value at its
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* default value of 0, unless you need the PGItems to have a particular sort
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* value with respect to some other objects in the scene (particularly with a
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* second PGTop node).
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*/
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INLINE void PGTop::
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set_start_sort(int start_sort) {
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_start_sort = start_sort;
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}
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/**
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* Returns the sort index that is assigned during the traversal to the first
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* PGItem that is discovered during traversal. See set_start_sort().
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*/
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INLINE int PGTop::
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get_start_sort() const {
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return _start_sort;
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}
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/**
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* Adds the indicated region to the set of regions in the group.
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*/
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INLINE void PGTop::
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add_region(MouseWatcherRegion *region) {
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nassertv(_watcher_group != nullptr);
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_watcher_group->add_region(region);
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}
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