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buttonNode.h
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94 lines (77 loc) · 2.82 KB
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// Filename: ButtonNode.h
// Created by: drose (12Mar02)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#ifndef BUTTONNODE_H
#define BUTTONNODE_H
#include "pandabase.h"
#include "clientBase.h"
#include "clientButtonDevice.h"
#include "dataNode.h"
#include "buttonEventList.h"
////////////////////////////////////////////////////////////////////
// Class : ButtonNode
// Description : This is the primary interface to on/off button
// devices associated with a ClientBase. This creates a
// node that connects to the named button device, if it
// exists, and provides hooks to the user to read the
// state of any of the sequentially numbered buttons
// associated with that device.
//
// It also can associate an arbitrary ButtonHandle with
// each button; when buttons are associated with
// ButtonHandles, this node will put appropriate up and
// down events on the data graph for each button state
// change.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA_DEVICE ButtonNode : public DataNode {
PUBLISHED:
ButtonNode(ClientBase *client, const string &device_name);
virtual ~ButtonNode();
INLINE bool is_valid() const;
INLINE int get_num_buttons() const;
INLINE void set_button_map(int index, ButtonHandle button);
INLINE ButtonHandle get_button_map(int index) const;
INLINE bool get_button_state(int index) const;
INLINE bool is_button_known(int index) const;
public:
virtual void output(ostream &out) const;
virtual void write(ostream &out, int indent_level = 0) const;
private:
PT(ClientButtonDevice) _button;
protected:
// Inherited from DataNode
virtual void do_transmit_data(DataGraphTraverser *trav,
const DataNodeTransmit &input,
DataNodeTransmit &output);
private:
// outputs
int _button_events_output;
PT(ButtonEventList) _button_events;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
DataNode::init_type();
register_type(_type_handle, "ButtonNode",
DataNode::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "buttonNode.I"
#endif