126 lines
3.2 KiB
Text
126 lines
3.2 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 modifierButtons.I
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* @author drose
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* @date 2000-03-01
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*/
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/**
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*
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*/
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INLINE void ModifierButtons::
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operator = (const ModifierButtons ©) {
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_button_list = copy._button_list;
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_state = copy._state;
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}
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/**
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* The equality operator is an exact comparision: the two ModifierButtons are
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* equal if they share the same button list--indeed, the same pointer--and
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* they all the buttons have the same state. Use matches() if a less exact
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* equality test is needed.
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*/
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INLINE bool ModifierButtons::
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operator == (const ModifierButtons &other) const {
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return (_button_list == other._button_list &&
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_state == other._state);
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}
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/**
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*
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*/
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INLINE bool ModifierButtons::
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operator != (const ModifierButtons &other) const {
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return !operator == (other);
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}
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/**
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*
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*/
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INLINE bool ModifierButtons::
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operator < (const ModifierButtons &other) const {
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if (_button_list != other._button_list) {
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return _button_list < other._button_list;
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}
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return _state < other._state;
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}
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/**
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* Returns a new ModifierButtons object for which is_down() will be true only
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* if it is true on both source objects. The set of buttons reported by
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* has_button() is not completely defined if both source objects have a
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* different set.
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*/
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INLINE ModifierButtons ModifierButtons::
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operator & (const ModifierButtons &other) const {
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ModifierButtons result = *this;
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result &= other;
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return result;
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}
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/**
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* Returns a new ModifierButtons object for which is_down() will be true if it
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* is true on either of the source objects. The set of buttons reported by
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* has_button() is not completely defined if both source objects have a
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* different set.
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*/
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INLINE ModifierButtons ModifierButtons::
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operator | (const ModifierButtons &other) const {
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ModifierButtons result = *this;
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result |= other;
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return result;
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}
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/**
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* Returns the number of buttons that the ModifierButtons object is monitoring
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* (e.g. the number of buttons passed to add_button()).
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*/
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INLINE int ModifierButtons::
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get_num_buttons() const {
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return _button_list.size();
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}
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/**
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* Returns the nth button that the ModifierButtons object is monitoring (the
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* nth button passed to add_button()). This must be in the range 0 <= index <
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* get_num_buttons().
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*/
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INLINE ButtonHandle ModifierButtons::
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get_button(int index) const {
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nassertr(index >= 0 && index < (int)_button_list.size(), ButtonHandle::none());
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return _button_list[index];
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}
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/**
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* Marks all monitored buttons as being in the "up" state.
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*/
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INLINE void ModifierButtons::
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all_buttons_up() {
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_state = 0;
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}
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/**
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* Returns true if the indicated button is known to be down, or false if it is
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* known to be up.
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*/
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INLINE bool ModifierButtons::
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is_down(int index) const {
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nassertr(index >= 0 && index < (int)_button_list.size(), false);
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return ((_state & ((BitmaskType)1 << index)) != 0);
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}
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/**
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* Returns true if any of the tracked button are known to be down, or false if
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* all of them are up.
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*/
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INLINE bool ModifierButtons::
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is_any_down() const {
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return _state != 0;
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}
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