107 lines
3.5 KiB
C++
107 lines
3.5 KiB
C++
/**
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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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* @file mouseAndKeyboard.cxx
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* @author drose
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* @date 2002-03-12
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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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*
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*/
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MouseAndKeyboard::
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MouseAndKeyboard(GraphicsWindow *window, int device, const std::string &name) :
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DataNode(name),
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_window(window),
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_device(window->get_input_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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_pixel_size_output = define_output("pixel_size", 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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_pointer_events_output = define_output("pointer_events", PointerEventList::get_class_type());
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_pixel_xy = new EventStoreVec2(LPoint2(0.0f, 0.0f));
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_pixel_size = new EventStoreVec2(LPoint2(0.0f, 0.0f));
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_xy = new EventStoreVec2(LPoint2(0.0f, 0.0f));
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_device->enable_pointer_events();
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}
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/**
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* Redirects the class to get the data from the mouse and keyboard associated
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* with a different window and/or device number.
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*/
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void MouseAndKeyboard::
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set_source(GraphicsWindow *window, int device) {
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_window = window;
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_device = window->get_input_device(device);
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//_device->enable_pointer_events();
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}
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/**
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* The virtual implementation of transmit_data(). This function receives an
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* array of input parameters and should generate an array of output
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* parameters. The input parameters may be accessed with the index numbers
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* returned by the define_input() calls that were made earlier (presumably in
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* the constructor); likewise, the output parameters should be set with the
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* index numbers returned by the define_output() calls.
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*/
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void MouseAndKeyboard::
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do_transmit_data(DataGraphTraverser *, const DataNodeTransmit &,
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DataNodeTransmit &output) {
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GraphicsWindowInputDevice *device = (GraphicsWindowInputDevice *)_device.p();
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if (device->has_button_event()) {
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PT(ButtonEventList) bel = device->get_button_events();
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output.set_data(_button_events_output, EventParameter(bel));
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}
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if (device->has_pointer_event()) {
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PT(PointerEventList) pel = device->get_pointer_events();
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output.set_data(_pointer_events_output, EventParameter(pel));
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}
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// Get the window size.
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WindowProperties properties = _window->get_properties();
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if (properties.has_size()) {
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int w = properties.get_x_size();
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int h = properties.get_y_size();
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_pixel_size->set_value(LPoint2(w, h));
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output.set_data(_pixel_size_output, EventParameter(_pixel_size));
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if (device->has_pointer()) {
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PointerData mdata = device->get_pointer();
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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(LPoint2(mdata._xpos, mdata._ypos));
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output.set_data(_pixel_xy_output, EventParameter(_pixel_xy));
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// Normalize pixel motion to range [-1,1].
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PN_stdfloat xf = (PN_stdfloat)(2 * mdata._xpos) / (PN_stdfloat)w - 1.0f;
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PN_stdfloat yf = 1.0f - (PN_stdfloat)(2 * mdata._ypos) / (PN_stdfloat)h;
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_xy->set_value(LPoint2(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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}
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