129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
// Filename: buttonNode.cxx
|
|
// 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."
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#include "buttonNode.h"
|
|
#include "config_device.h"
|
|
#include "dataNodeTransmit.h"
|
|
#include "buttonEventList.h"
|
|
#include "dcast.h"
|
|
|
|
TypeHandle ButtonNode::_type_handle;
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ButtonNode::Constructor
|
|
// Access: Public
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
ButtonNode::
|
|
ButtonNode(ClientBase *client, const string &device_name) :
|
|
DataNode(device_name)
|
|
{
|
|
_button_events_output = define_output("button_events", ButtonEventList::get_class_type());
|
|
_button_events = new ButtonEventList;
|
|
|
|
nassertv(client != (ClientBase *)NULL);
|
|
PT(ClientDevice) device =
|
|
client->get_device(ClientButtonDevice::get_class_type(), device_name);
|
|
|
|
if (device == (ClientDevice *)NULL) {
|
|
device_cat.warning()
|
|
<< "Unable to open button device " << device_name << "\n";
|
|
return;
|
|
}
|
|
|
|
if (!device->is_of_type(ClientButtonDevice::get_class_type())) {
|
|
device_cat.error()
|
|
<< "Inappropriate device type " << device->get_type()
|
|
<< " created; expected a ClientButtonDevice.\n";
|
|
return;
|
|
}
|
|
|
|
_button = DCAST(ClientButtonDevice, device);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ButtonNode::Destructor
|
|
// Access: Public, Virtual
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
ButtonNode::
|
|
~ButtonNode() {
|
|
// When the _button pointer destructs, the ClientButtonDevice
|
|
// disconnects itself from the ClientBase, and everything that needs
|
|
// to get turned off does. Magic.
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ButtonNode::output
|
|
// Access: Public, Virtual
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
void ButtonNode::
|
|
output(ostream &out) const {
|
|
DataNode::output(out);
|
|
|
|
if (_button != (ClientButtonDevice *)NULL) {
|
|
out << " (";
|
|
_button->acquire();
|
|
_button->output_buttons(out);
|
|
_button->unlock();
|
|
out << ")";
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ButtonNode::write
|
|
// Access: Public, Virtual
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
void ButtonNode::
|
|
write(ostream &out, int indent_level) const {
|
|
DataNode::write(out, indent_level);
|
|
|
|
if (_button != (ClientButtonDevice *)NULL) {
|
|
_button->acquire();
|
|
_button->write_buttons(out, indent_level + 2);
|
|
_button->unlock();
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: ButtonNode::do_transmit_data
|
|
// Access: Protected, Virtual
|
|
// Description: The virtual implementation of transmit_data(). This
|
|
// function receives an array of input parameters and
|
|
// should generate an array of output parameters. The
|
|
// input parameters may be accessed with the index
|
|
// numbers returned by the define_input() calls that
|
|
// were made earlier (presumably in the constructor);
|
|
// likewise, the output parameters should be set with
|
|
// the index numbers returned by the define_output()
|
|
// calls.
|
|
////////////////////////////////////////////////////////////////////
|
|
void ButtonNode::
|
|
do_transmit_data(DataGraphTraverser *, const DataNodeTransmit &,
|
|
DataNodeTransmit &output) {
|
|
if (is_valid()) {
|
|
_button->poll();
|
|
_button->acquire();
|
|
|
|
(*_button_events) = (*_button->get_button_events());
|
|
|
|
_button->get_button_events()->clear();
|
|
_button->unlock();
|
|
|
|
output.set_data(_button_events_output, EventParameter(_button_events));
|
|
}
|
|
}
|