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/*
* %W% %E%
*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
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* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
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package net.java.games.input;
import java.io.IOException;
/** Java wrapper of RAWDEVICELIST
* @author elias
* @version 1.0
*/
final class RawDevice {
public final static int RI_MOUSE_LEFT_BUTTON_DOWN = 0x0001; // Left Button changed to down.
public final static int RI_MOUSE_LEFT_BUTTON_UP = 0x0002; // Left Button changed to up.
public final static int RI_MOUSE_RIGHT_BUTTON_DOWN = 0x0004; // Right Button changed to down.
public final static int RI_MOUSE_RIGHT_BUTTON_UP = 0x0008; // Right Button changed to up.
public final static int RI_MOUSE_MIDDLE_BUTTON_DOWN = 0x0010; // Middle Button changed to down.
public final static int RI_MOUSE_MIDDLE_BUTTON_UP = 0x0020; // Middle Button changed to up.
public final static int RI_MOUSE_BUTTON_1_DOWN = RI_MOUSE_LEFT_BUTTON_DOWN;
public final static int RI_MOUSE_BUTTON_1_UP = RI_MOUSE_LEFT_BUTTON_UP;
public final static int RI_MOUSE_BUTTON_2_DOWN = RI_MOUSE_RIGHT_BUTTON_DOWN;
public final static int RI_MOUSE_BUTTON_2_UP = RI_MOUSE_RIGHT_BUTTON_UP;
public final static int RI_MOUSE_BUTTON_3_DOWN = RI_MOUSE_MIDDLE_BUTTON_DOWN;
public final static int RI_MOUSE_BUTTON_3_UP = RI_MOUSE_MIDDLE_BUTTON_UP;
public final static int RI_MOUSE_BUTTON_4_DOWN = 0x0040;
public final static int RI_MOUSE_BUTTON_4_UP = 0x0080;
public final static int RI_MOUSE_BUTTON_5_DOWN = 0x0100;
public final static int RI_MOUSE_BUTTON_5_UP = 0x0200;
/*
* If usButtonFlags has RI_MOUSE_WHEEL, the wheel delta is stored in usButtonData.
* Take it as a signed value.
*/
public final static int RI_MOUSE_WHEEL = 0x0400;
public final static int MOUSE_MOVE_RELATIVE = 0;
public final static int MOUSE_MOVE_ABSOLUTE = 1;
public final static int MOUSE_VIRTUAL_DESKTOP = 0x02; // the coordinates are mapped to the virtual desktop
public final static int MOUSE_ATTRIBUTES_CHANGED = 0x04; // requery for mouse attributes
public final static int RIM_TYPEHID = 2;
public final static int RIM_TYPEKEYBOARD = 1;
public final static int RIM_TYPEMOUSE = 0;
public final static int WM_KEYDOWN = 0x0100;
public final static int WM_KEYUP = 0x0101;
public final static int WM_SYSKEYDOWN = 0x0104;
public final static int WM_SYSKEYUP = 0x0105;
private final RawInputEventQueue queue;
private final long handle;
private final int type;
/* Events from the event queue thread end here */
private DataQueue keyboard_events;
private DataQueue mouse_events;
/* After processing in poll*(), the events are placed here */
private DataQueue processed_keyboard_events;
private DataQueue processed_mouse_events;
/* mouse state */
private final boolean[] button_states = new boolean[5];
private int wheel;
private int relative_x;
private int relative_y;
private int last_x;
private int last_y;
// Last x, y for converting absolute events to relative
private int event_relative_x;
private int event_relative_y;
private int event_last_x;
private int event_last_y;
/* keyboard state */
private final boolean[] key_states = new boolean[0xFF];
public RawDevice(RawInputEventQueue queue, long handle, int type) {
this.queue = queue;
this.handle = handle;
this.type = type;
setBufferSize(AbstractController.EVENT_QUEUE_DEPTH);
}
/* Careful, this is called from the event queue thread */
public final synchronized void addMouseEvent(long millis, int flags, int button_flags, int button_data, long raw_buttons, long last_x, long last_y, long extra_information) {
if (mouse_events.hasRemaining()) {
RawMouseEvent event = (RawMouseEvent)mouse_events.get();
event.set(millis, flags, button_flags, button_data, raw_buttons, last_x, last_y, extra_information);
}
}
/* Careful, this is called from the event queue thread */
public final synchronized void addKeyboardEvent(long millis, int make_code, int flags, int vkey, int message, long extra_information) {
if (keyboard_events.hasRemaining()) {
RawKeyboardEvent event = (RawKeyboardEvent)keyboard_events.get();
event.set(millis, make_code, flags, vkey, message, extra_information);
}
}
public final synchronized void pollMouse() {
relative_x = relative_y = wheel = 0;
mouse_events.flip();
while (mouse_events.hasRemaining()) {
RawMouseEvent event = (RawMouseEvent)mouse_events.get();
boolean has_update = processMouseEvent(event);
if (has_update && processed_mouse_events.hasRemaining()) {
RawMouseEvent processed_event = (RawMouseEvent)processed_mouse_events.get();
processed_event.set(event);
}
}
mouse_events.compact();
}
public final synchronized void pollKeyboard() {
keyboard_events.flip();
while (keyboard_events.hasRemaining()) {
RawKeyboardEvent event = (RawKeyboardEvent)keyboard_events.get();
boolean has_update = processKeyboardEvent(event);
if (has_update && processed_keyboard_events.hasRemaining()) {
RawKeyboardEvent processed_event = (RawKeyboardEvent)processed_keyboard_events.get();
processed_event.set(event);
}
}
keyboard_events.compact();
}
private final boolean updateButtonState(int button_id, int button_flags, int down_flag, int up_flag) {
if (button_id >= button_states.length)
return false;
if ((button_flags & down_flag) != 0) {
button_states[button_id] = true;
return true;
} else if ((button_flags & up_flag) != 0) {
button_states[button_id] = false;
return true;
} else
return false;
}
private final boolean processKeyboardEvent(RawKeyboardEvent event) {
int message = event.getMessage();
int vkey = event.getVKey();
if (vkey >= key_states.length)
return false;
if (message == WM_KEYDOWN || message == WM_SYSKEYDOWN) {
key_states[vkey] = true;
return true;
} else if (message == WM_KEYUP || message == WM_SYSKEYUP) {
key_states[vkey] = false;
return true;
} else
return false;
}
public final boolean isKeyDown(int vkey) {
return key_states[vkey];
}
private final boolean processMouseEvent(RawMouseEvent event) {
boolean has_update = false;
int button_flags = event.getButtonFlags();
has_update = updateButtonState(0, button_flags, RI_MOUSE_BUTTON_1_DOWN, RI_MOUSE_BUTTON_1_UP) || has_update;
has_update = updateButtonState(1, button_flags, RI_MOUSE_BUTTON_2_DOWN, RI_MOUSE_BUTTON_2_UP) || has_update;
has_update = updateButtonState(2, button_flags, RI_MOUSE_BUTTON_3_DOWN, RI_MOUSE_BUTTON_3_UP) || has_update;
has_update = updateButtonState(3, button_flags, RI_MOUSE_BUTTON_4_DOWN, RI_MOUSE_BUTTON_4_UP) || has_update;
has_update = updateButtonState(4, button_flags, RI_MOUSE_BUTTON_5_DOWN, RI_MOUSE_BUTTON_5_UP) || has_update;
int dx;
int dy;
if ((event.getFlags() & MOUSE_MOVE_ABSOLUTE) != 0) {
dx = event.getLastX() - last_x;
dy = event.getLastY() - last_y;
last_x = event.getLastX();
last_y = event.getLastY();
} else {
dx = event.getLastX();
dy = event.getLastY();
}
int dwheel = 0;
if ((button_flags & RI_MOUSE_WHEEL) != 0)
dwheel = event.getWheelDelta();
relative_x += dx;
relative_y += dy;
wheel += dwheel;
has_update = dx != 0 || dy != 0 || dwheel != 0 || has_update;
return has_update;
}
public final int getWheel() {
return wheel;
}
public final int getEventRelativeX() {
return event_relative_x;
}
public final int getEventRelativeY() {
return event_relative_y;
}
public final int getRelativeX() {
return relative_x;
}
public final int getRelativeY() {
return relative_y;
}
public final synchronized boolean getNextKeyboardEvent(RawKeyboardEvent event) {
processed_keyboard_events.flip();
if (!processed_keyboard_events.hasRemaining()) {
processed_keyboard_events.compact();
return false;
}
RawKeyboardEvent next_event = (RawKeyboardEvent)processed_keyboard_events.get();
event.set(next_event);
processed_keyboard_events.compact();
return true;
}
public final synchronized boolean getNextMouseEvent(RawMouseEvent event) {
processed_mouse_events.flip();
if (!processed_mouse_events.hasRemaining()) {
processed_mouse_events.compact();
return false;
}
RawMouseEvent next_event = (RawMouseEvent)processed_mouse_events.get();
if ((next_event.getFlags() & MOUSE_MOVE_ABSOLUTE) != 0) {
event_relative_x = next_event.getLastX() - event_last_x;
event_relative_y = next_event.getLastY() - event_last_y;
event_last_x = next_event.getLastX();
event_last_y = next_event.getLastY();
} else {
event_relative_x = next_event.getLastX();
event_relative_y = next_event.getLastY();
}
event.set(next_event);
processed_mouse_events.compact();
return true;
}
public final boolean getButtonState(int button_id) {
if (button_id >= button_states.length)
return false;
return button_states[button_id];
}
public final void setBufferSize(int size) {
keyboard_events = new DataQueue(size, RawKeyboardEvent.class);
mouse_events = new DataQueue(size, RawMouseEvent.class);
processed_keyboard_events = new DataQueue(size, RawKeyboardEvent.class);
processed_mouse_events = new DataQueue(size, RawMouseEvent.class);
}
public final int getType() {
return type;
}
public final long getHandle() {
return handle;
}
public final String getName() throws IOException {
return nGetName(handle);
}
private final static native String nGetName(long handle) throws IOException;
public final RawDeviceInfo getInfo() throws IOException {
return nGetInfo(this, handle);
}
private final static native RawDeviceInfo nGetInfo(RawDevice device, long handle) throws IOException;
}
