148 lines
5.8 KiB
C++
148 lines
5.8 KiB
C++
// Filename: virtualMouse.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 "virtualMouse.h"
|
|
#include "dataNodeTransmit.h"
|
|
|
|
TypeHandle VirtualMouse::_type_handle;
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: VirtualMouse::Constructor
|
|
// Access: Published
|
|
// Description:
|
|
////////////////////////////////////////////////////////////////////
|
|
VirtualMouse::
|
|
VirtualMouse(const string &name) :
|
|
DataNode(name)
|
|
{
|
|
_pixel_xy_output = define_output("pixel_xy", EventStoreVec2::get_class_type());
|
|
_pixel_size_output = define_output("pixel_size", EventStoreVec2::get_class_type());
|
|
_xy_output = define_output("xy", EventStoreVec2::get_class_type());
|
|
_button_events_output = define_output("button_events", ButtonEventList::get_class_type());
|
|
|
|
_pixel_xy = new EventStoreVec2(LPoint2(0.0f, 0.0f));
|
|
_pixel_size = new EventStoreVec2(LPoint2(0.0f, 0.0f));
|
|
_xy = new EventStoreVec2(LPoint2(0.0f, 0.0f));
|
|
_button_events = new ButtonEventList;
|
|
_next_button_events = new ButtonEventList;
|
|
|
|
_mouse_x = 0;
|
|
_mouse_y = 0;
|
|
_win_width = 100;
|
|
_win_height = 100;
|
|
_mouse_on = false;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: VirtualMouse::set_mouse_pos
|
|
// Access: Published
|
|
// Description: Sets the current mouse pixel location, where (0,0) is
|
|
// the upper left, and (width-1, height-1) is the lower
|
|
// right pixel of the virtual window.
|
|
////////////////////////////////////////////////////////////////////
|
|
void VirtualMouse::
|
|
set_mouse_pos(int x, int y) {
|
|
_mouse_x = x;
|
|
_mouse_y = y;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: VirtualMouse::set_window_size
|
|
// Access: Published
|
|
// Description: Sets the size of the "window" in which the mouse
|
|
// rolls. This changes the meaning of the values passed
|
|
// to set_mouse_pos().
|
|
////////////////////////////////////////////////////////////////////
|
|
void VirtualMouse::
|
|
set_window_size(int width, int height) {
|
|
_win_width = width;
|
|
_win_height = height;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: VirtualMouse::set_mouse_on
|
|
// Access: Published
|
|
// Description: Sets whether the mouse should appear to be within the
|
|
// window or not. If this is true, the mouse is within
|
|
// the window; if false, the mouse is not within the
|
|
// window (and set_mouse_pos() means nothing).
|
|
////////////////////////////////////////////////////////////////////
|
|
void VirtualMouse::
|
|
set_mouse_on(bool flag) {
|
|
_mouse_on = flag;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: VirtualMouse::press_button
|
|
// Access: Published
|
|
// Description: Simulates a mouse or keyboard button being depressed.
|
|
// This should be followed up by a call to
|
|
// release_button() sometime later (possibly
|
|
// immediately).
|
|
////////////////////////////////////////////////////////////////////
|
|
void VirtualMouse::
|
|
press_button(ButtonHandle button) {
|
|
_next_button_events->add_event(ButtonEvent(button, ButtonEvent::T_down));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: VirtualMouse::release_button
|
|
// Access: Published
|
|
// Description: Simulates the button being released. This should
|
|
// follow a previous call to press_button().
|
|
////////////////////////////////////////////////////////////////////
|
|
void VirtualMouse::
|
|
release_button(ButtonHandle button) {
|
|
_next_button_events->add_event(ButtonEvent(button, ButtonEvent::T_up));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Function: VirtualMouse::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 VirtualMouse::
|
|
do_transmit_data(DataGraphTraverser *, const DataNodeTransmit &,
|
|
DataNodeTransmit &output) {
|
|
// Swap in the button events, and clear them for next time.
|
|
PT(ButtonEventList) events = _button_events;
|
|
_button_events = _next_button_events;
|
|
_next_button_events = events;
|
|
_next_button_events->clear();
|
|
output.set_data(_button_events_output, EventParameter(_button_events));
|
|
|
|
_pixel_size->set_value(LPoint2(_win_width, _win_height));
|
|
output.set_data(_pixel_size_output, EventParameter(_pixel_size));
|
|
|
|
if (_mouse_on) {
|
|
// The mouse is within the window.
|
|
_pixel_xy->set_value(LPoint2(_mouse_x, _mouse_y));
|
|
output.set_data(_pixel_xy_output, EventParameter(_pixel_xy));
|
|
|
|
// Normalize pixel motion to range [-1,1].
|
|
PN_stdfloat xf = (2.0f * (PN_stdfloat)_mouse_x) / (PN_stdfloat)_win_width - 1.0f;
|
|
PN_stdfloat yf = 1.0f - (2.0f * (PN_stdfloat)_mouse_y) / (PN_stdfloat)_win_height;
|
|
_xy->set_value(LPoint2(xf, yf));
|
|
output.set_data(_xy_output, EventParameter(_xy));
|
|
}
|
|
}
|