133 lines
3.9 KiB
C++
133 lines
3.9 KiB
C++
// Filename: buttonNode.cxx
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// Created by: drose (31Dec69)
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//
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////////////////////////////////////////////////////////////////////
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#include "buttonNode.h"
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#include "config_device.h"
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#include <buttonEventDataTransition.h>
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////////////////////////////////////////////////////////////////////
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// Static variables
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////////////////////////////////////////////////////////////////////
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TypeHandle ButtonNode::_type_handle;
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TypeHandle ButtonNode::_button_events_type;
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////////////////////////////////////////////////////////////////////
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// Function: ButtonNode::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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ButtonNode::
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ButtonNode(ClientBase *client, const string &device_name) :
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DataNode(device_name)
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{
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nassertv(client != (ClientBase *)NULL);
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PT(ClientDevice) device =
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client->get_device(ClientButtonDevice::get_class_type(), device_name);
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if (device == (ClientDevice *)NULL) {
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device_cat.warning()
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<< "Unable to open button device " << device_name << "\n";
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return;
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}
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if (!device->is_of_type(ClientButtonDevice::get_class_type())) {
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device_cat.error()
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<< "Inappropriate device type " << device->get_type()
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<< " created; expected a ClientButtonDevice.\n";
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return;
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}
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_button = DCAST(ClientButtonDevice, device);
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if (_button != (ClientButtonDevice *)NULL) {
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_button_events = new ButtonEventDataAttribute();
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_attrib.set_attribute(_button_events_type, _button_events);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: ButtonNode::Destructor
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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ButtonNode::
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~ButtonNode() {
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// When the _button pointer destructs, the ClientButtonDevice
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// disconnects itself from the ClientBase, and everything that needs
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// to get turned off does. Magic.
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}
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////////////////////////////////////////////////////////////////////
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// Function: ButtonNode::output
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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void ButtonNode::
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output(ostream &out) const {
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DataNode::output(out);
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if (_button != (ClientButtonDevice *)NULL) {
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out << " (";
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_button->output_buttons(out);
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out << ")";
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: ButtonNode::write
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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void ButtonNode::
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write(ostream &out, int indent_level) const {
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DataNode::write(out, indent_level);
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if (_button != (ClientButtonDevice *)NULL) {
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_button->write_buttons(out, indent_level + 2);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: ButtonNode::transmit_data
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// Access: Public, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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void ButtonNode::
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transmit_data(NodeAttributes &data) {
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if (is_valid()) {
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_button->poll();
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_button->lock();
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(*_button_events) = (*_button->get_button_events());
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_button->get_button_events()->clear();
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_button->unlock();
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if (device_cat.is_debug()) {
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device_cat.debug() << "ButtonNode:attributes" << endl;
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_attrib.write(device_cat.debug(false), 3);
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}
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}
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data = _attrib;
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}
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////////////////////////////////////////////////////////////////////
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// Function: ButtonNode::init_type
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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void ButtonNode::
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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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ButtonEventDataTransition::init_type();
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register_data_transition(_button_events_type, "ButtonEvents",
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ButtonEventDataTransition::get_class_type());
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}
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