87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
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/**
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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 buttonNode.h
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* @author drose
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* @date 2002-03-12
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*/
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#ifndef BUTTONNODE_H
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#define BUTTONNODE_H
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#include "pandabase.h"
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#include "clientBase.h"
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#include "clientButtonDevice.h"
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#include "dataNode.h"
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/**
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* This is the primary interface to on/off button devices associated with a
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* ClientBase. This creates a node that connects to the named button device,
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* if it exists, and provides hooks to the user to read the state of any of
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* the sequentially numbered buttons associated with that device.
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*
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* It also can associate an arbitrary ButtonHandle with each button; when
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* buttons are associated with ButtonHandles, this node will put appropriate
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* up and down events on the data graph for each button state change.
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*/
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class EXPCL_PANDA_DEVICE ButtonNode : public DataNode {
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PUBLISHED:
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explicit ButtonNode(ClientBase *client, const std::string &device_name);
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explicit ButtonNode(InputDevice *device);
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virtual ~ButtonNode();
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INLINE bool is_valid() const;
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INLINE int get_num_buttons() const;
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INLINE void set_button_map(int index, ButtonHandle button);
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INLINE ButtonHandle get_button_map(int index) const;
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INLINE bool get_button_state(int index) const;
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INLINE bool is_button_known(int index) const;
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public:
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virtual void output(std::ostream &out) const;
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virtual void write(std::ostream &out, int indent_level = 0) const;
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private:
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PT(InputDevice) _device;
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protected:
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// Inherited from DataNode
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virtual void do_transmit_data(DataGraphTraverser *trav,
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const DataNodeTransmit &input,
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DataNodeTransmit &output);
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private:
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// outputs
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int _button_events_output;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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DataNode::init_type();
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register_type(_type_handle, "ButtonNode",
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DataNode::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "buttonNode.I"
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#endif
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