93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
// Filename: mouseAndKeyboard.cxx
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// Created by: drose (12Mar02)
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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) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#include "mouseAndKeyboard.h"
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#include "mouseData.h"
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#include "buttonHandle.h"
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#include "buttonEvent.h"
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#include "dataNodeTransmit.h"
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#include "graphicsWindow.h"
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TypeHandle MouseAndKeyboard::_type_handle;
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////////////////////////////////////////////////////////////////////
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// Function: MouseAndKeyboard::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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MouseAndKeyboard::
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MouseAndKeyboard(GraphicsWindow *window, int device, const string &name) :
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DataNode(name),
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_window(window),
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_device(device)
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{
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_pixel_xy_output = define_output("pixel_xy", EventStoreVec2::get_class_type());
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_xy_output = define_output("xy", EventStoreVec2::get_class_type());
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_button_events_output = define_output("button_events", ButtonEventList::get_class_type());
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_pixel_xy = new EventStoreVec2(LPoint2f(0.0f, 0.0f));
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_xy = new EventStoreVec2(LPoint2f(0.0f, 0.0f));
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_button_events = new ButtonEventList;
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}
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////////////////////////////////////////////////////////////////////
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// Function: MouseAndKeyboard::do_transmit_data
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// Access: Protected, Virtual
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// Description: The virtual implementation of transmit_data(). This
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// function receives an array of input parameters and
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// should generate an array of output parameters. The
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// input parameters may be accessed with the index
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// numbers returned by the define_input() calls that
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// were made earlier (presumably in the constructor);
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// likewise, the output parameters should be set with
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// the index numbers returned by the define_output()
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// calls.
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////////////////////////////////////////////////////////////////////
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void MouseAndKeyboard::
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do_transmit_data(const DataNodeTransmit &, DataNodeTransmit &output) {
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if (_window->has_button_event(_device)) {
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// Fill up the button events.
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_button_events->clear();
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while (_window->has_button_event(_device)) {
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ButtonEvent be = _window->get_button_event(_device);
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_button_events->add_event(be);
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}
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output.set_data(_button_events_output, EventParameter(_button_events));
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}
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if (_window->has_pointer(_device)) {
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const MouseData &mdata = _window->get_mouse_data(_device);
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if (mdata._in_window) {
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// Get mouse motion in pixels.
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_pixel_xy->set_value(LPoint2f(mdata._xpos, mdata._ypos));
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output.set_data(_pixel_xy_output, EventParameter(_pixel_xy));
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int w = _window->get_width();
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int h = _window->get_height();
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// Normalize pixel motion to range [-1,1].
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float xf = (float)(2 * mdata._xpos) / (float)w - 1.0f;
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float yf = 1.0f - (float)(2 * mdata._ypos) / (float)h;
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_xy->set_value(LPoint2f(xf, yf));
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output.set_data(_xy_output, EventParameter(_xy));
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}
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}
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}
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