127 lines
4.0 KiB
C++
127 lines
4.0 KiB
C++
// Filename: vrpnButton.cxx
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// Created by: drose (26Jan01)
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//
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////////////////////////////////////////////////////////////////////
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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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////////////////////////////////////////////////////////////////////
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#include "vrpnButton.h"
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#include "vrpnButtonDevice.h"
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#include "vrpnClient.h"
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#include "config_vrpn.h"
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#include "indent.h"
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#include <algorithm>
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////////////////////////////////////////////////////////////////////
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// Function: VrpnButton::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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VrpnButton::
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VrpnButton(const string &button_name, vrpn_Connection *connection) :
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_button_name(button_name)
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{
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_button = new vrpn_Button_Remote(_button_name.c_str(), connection);
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_button->register_change_handler((void*)this, &vrpn_button_callback);
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}
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////////////////////////////////////////////////////////////////////
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// Function: VrpnButton::Destructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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VrpnButton::
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~VrpnButton() {
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delete _button;
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}
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////////////////////////////////////////////////////////////////////
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// Function: VrpnButton::mark
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// Access: Public
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// Description: Adds the indicated VrpnButtonDevice to the list of
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// devices that are sharing this VrpnButton.
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////////////////////////////////////////////////////////////////////
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void VrpnButton::
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mark(VrpnButtonDevice *device) {
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if (vrpn_cat.is_debug()) {
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vrpn_cat.debug() << *this << " marking " << *device << "\n";
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}
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_devices.push_back(device);
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}
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////////////////////////////////////////////////////////////////////
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// Function: VrpnButton::unmark
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// Access: Public
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// Description: Removes the indicated VrpnButtonDevice from the list
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// of devices that are sharing this VrpnButton.
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////////////////////////////////////////////////////////////////////
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void VrpnButton::
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unmark(VrpnButtonDevice *device) {
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if (vrpn_cat.is_debug()) {
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vrpn_cat.debug() << *this << " unmarking " << *device << "\n";
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}
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Devices::iterator di =
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find(_devices.begin(), _devices.end(), device);
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if (di != _devices.end()) {
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_devices.erase(di);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: VrpnButton::output
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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void VrpnButton::
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output(ostream &out) const {
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out << _button_name;
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}
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////////////////////////////////////////////////////////////////////
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// Function: VrpnButton::write
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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void VrpnButton::
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write(ostream &out, int indent_level) const {
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indent(out, indent_level)
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<< get_button_name() << " ("
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<< _devices.size() << " devices)\n";
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}
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////////////////////////////////////////////////////////////////////
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// Function: VrpnButton::vrpn_button_callback
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// Access: Private, Static
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// Description: Receives the button event data from the VRPN
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// code and sends it to any interested
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// VrpnButtonDevices.
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////////////////////////////////////////////////////////////////////
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void VRPN_CALLBACK VrpnButton::
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vrpn_button_callback(void *userdata, const vrpn_BUTTONCB info) {
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VrpnButton *self = (VrpnButton *)userdata;
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if (vrpn_cat.is_debug()) {
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vrpn_cat.debug()
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<< *self << " got button " << info.button << " = " << info.state << "\n";
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}
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Devices::iterator di;
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for (di = self->_devices.begin(); di != self->_devices.end(); ++di) {
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VrpnButtonDevice *device = (*di);
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device->acquire();
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device->set_button_state(info.button, info.state != 0);
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device->unlock();
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}
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}
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