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buttonNode.h
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86 lines (70 loc) · 2.37 KB
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/**
* 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."
*
* @file buttonNode.h
* @author drose
* @date 2002-03-12
*/
#ifndef BUTTONNODE_H
#define BUTTONNODE_H
#include "pandabase.h"
#include "clientBase.h"
#include "clientButtonDevice.h"
#include "dataNode.h"
/**
* 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:
explicit ButtonNode(ClientBase *client, const std::string &device_name);
explicit ButtonNode(InputDevice *device);
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(std::ostream &out) const;
virtual void write(std::ostream &out, int indent_level = 0) const;
private:
PT(InputDevice) _device;
protected:
// Inherited from DataNode
virtual void do_transmit_data(DataGraphTraverser *trav,
const DataNodeTransmit &input,
DataNodeTransmit &output);
private:
// outputs
int _button_events_output;
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