pulpcore
Class Input

java.lang.Object
  pulpcore.Input

public final class Input
extends Object

The Input class provides an easy way to check the state of the keyboard keys, the mouse buttons, and the mouse location.

Mouse buttons and keyboard keys are both treated as "virtual keys". Virtual keys have four states: UP, DOWN, PRESSED, and RELEASED. The states only change when polled, which occurs before each call to Scene.update().

State	Description
UP	The key is up.
DOWN	The key is down.
PRESSED	The key was pressed since the last poll.
RELEASED	The key was released since the last poll.

If a key was both pressed and released between polls, the key state will be PRESSED, and on the next poll the key state will be RELEASED.

Field Summary

static int	CURSOR_CROSSHAIR
static int	CURSOR_DEFAULT
static int	CURSOR_E_RESIZE
static int	CURSOR_HAND
static int	CURSOR_MOVE
static int	CURSOR_N_RESIZE
static int	CURSOR_NE_RESIZE
static int	CURSOR_NW_RESIZE
static int	CURSOR_OFF
static int	CURSOR_S_RESIZE
static int	CURSOR_SE_RESIZE
static int	CURSOR_SW_RESIZE
static int	CURSOR_TEXT
static int	CURSOR_W_RESIZE
static int	CURSOR_WAIT
static int	DOWN The virtual key state indicating that a key is down.
static int	KEY_0
static int	KEY_1
static int	KEY_2
static int	KEY_3
static int	KEY_4
static int	KEY_5
static int	KEY_6
static int	KEY_7
static int	KEY_8
static int	KEY_9
static int	KEY_A
static int	KEY_ADD
static int	KEY_B
static int	KEY_BACK_QUOTE
static int	KEY_BACK_SLASH
static int	KEY_BACK_SPACE
static int	KEY_C
static int	KEY_CAPS_LOCK
static int	KEY_CLOSE_BRACKET
static int	KEY_COMMA
static int	KEY_D
static int	KEY_DECIMAL
static int	KEY_DELETE
static int	KEY_DIVIDE
static int	KEY_DOUBLE_MOUSE_BUTTON_1
static int	KEY_DOUBLE_MOUSE_BUTTON_2
static int	KEY_DOUBLE_MOUSE_BUTTON_3
static int	KEY_DOWN
static int	KEY_E
static int	KEY_END
static int	KEY_ENTER
static int	KEY_EQUALS
static int	KEY_ESCAPE
static int	KEY_F
static int	KEY_F1
static int	KEY_F10
static int	KEY_F11
static int	KEY_F12
static int	KEY_F13
static int	KEY_F14
static int	KEY_F15
static int	KEY_F16
static int	KEY_F17
static int	KEY_F18
static int	KEY_F19
static int	KEY_F2
static int	KEY_F20
static int	KEY_F21
static int	KEY_F22
static int	KEY_F23
static int	KEY_F24
static int	KEY_F3
static int	KEY_F4
static int	KEY_F5
static int	KEY_F6
static int	KEY_F7
static int	KEY_F8
static int	KEY_F9
static int	KEY_G
static int	KEY_H
static int	KEY_HOME
static int	KEY_I
static int	KEY_INSERT
static int	KEY_J
static int	KEY_K
static int	KEY_L
static int	KEY_LEFT
static int	KEY_LEFT_ALT
static int	KEY_LEFT_CONTROL
static int	KEY_LEFT_META
static int	KEY_LEFT_SHIFT
static int	KEY_M
static int	KEY_MINUS
static int	KEY_MOUSE_BUTTON_1
static int	KEY_MOUSE_BUTTON_2
static int	KEY_MOUSE_BUTTON_3
static int	KEY_MULTIPLY
static int	KEY_N
static int	KEY_NUM_LOCK
static int	KEY_NUMPAD0
static int	KEY_NUMPAD1
static int	KEY_NUMPAD2
static int	KEY_NUMPAD3
static int	KEY_NUMPAD4
static int	KEY_NUMPAD5
static int	KEY_NUMPAD6
static int	KEY_NUMPAD7
static int	KEY_NUMPAD8
static int	KEY_NUMPAD9
static int	KEY_O
static int	KEY_OPEN_BRACKET
static int	KEY_P
static int	KEY_PAGE_DOWN
static int	KEY_PAGE_UP
static int	KEY_PAUSE
static int	KEY_PERIOD
static int	KEY_PRINT_SCREEN
static int	KEY_Q
static int	KEY_QUOTE
static int	KEY_R
static int	KEY_RIGHT
static int	KEY_RIGHT_ALT
static int	KEY_RIGHT_CONTROL
static int	KEY_RIGHT_META
static int	KEY_RIGHT_SHIFT
static int	KEY_S
static int	KEY_SCROLL_LOCK
static int	KEY_SEMICOLON
static int	KEY_SEPARATOR
static int	KEY_SLASH
static int	KEY_SPACE
static int	KEY_SUBTRACT
static int	KEY_T
static int	KEY_TAB
static int	KEY_TRIPLE_MOUSE_BUTTON_1
static int	KEY_TRIPLE_MOUSE_BUTTON_2
static int	KEY_TRIPLE_MOUSE_BUTTON_3
static int	KEY_U
static int	KEY_UP
static int	KEY_V
static int	KEY_W
static int	KEY_X
static int	KEY_Y
static int	KEY_Z
static int	NUM_KEY_CODES
static int	PRESSED The virtual key state indicating that a key is pressed.
static int	RELEASED The virtual key state indicating that a key is released.
static int	REPEATED The virtual key state indicating that a key is repeated.
static int	UP The virtual key state indicating that a key is up.

Method Summary

static int	getCursor()
static int	getMousePressX() Gets the x location of the last mouse press.
static int	getMousePressY() Gets the y location of the last mouse press.
static int	getMouseReleaseX() Gets the x location of the last mouse release.
static int	getMouseReleaseY() Gets the y location of the last mouse release.
static int	getMouseWheelRotation() Returns the number of clicks the mouse wheel was rotated since the last poll.
static int	getMouseWheelX() Gets the x location of the last mouse wheel rotation.
static int	getMouseWheelY() Gets the y location of the last mouse wheel rotation.
static int	getMouseX()
static int	getMouseY()
static int	getState(int keyCode)
static String	getTypedChars() Returns the keyboard character input received since the last poll.
static boolean	hasKeyboardFocus()
static boolean	isAltDown() Checks if either the left ALT key or the right ALT key is currently down.
static boolean	isControlDown() Checks if either the left control (CTRL) key or the right control key is currently down.
static boolean	isDown(int keyCode)
static boolean	isDown(int[] keyCodes) Checks a list of key codes and returns true if at least one key is down.
static boolean	isMetaDown() Checks if either the left meta key or the right meta key is currently down.
static boolean	isMouseDown() Returns true if the primary mouse button is down.
static boolean	isMouseInside() Returns true if the mouse is inside the Stage.
static boolean	isMouseMoving()
static boolean	isMousePressed() Returns true if the primary mouse button is pressed.
static boolean	isMouseReleased() Returns true if the primary mouse button is released.
static boolean	isPressed(int keyCode)
static boolean	isPressed(int[] keyCodes) Checks a list of key codes and returns true if at least one key is pressed and no other keys are down.
static boolean	isReleased(int keyCode)
static boolean	isReleased(int[] keyCodes) Checks a list of key codes and returns true if at least one key is released and no other keys are down.
static boolean	isShiftDown() Checks if either the left shift key or the right shift key is currently down.
static boolean	isTyped(int keyCode)
static void	requestKeyboardFocus()
static void	setCursor(int cursorCode) Sets the cursor type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

UP

public static final int UP

The virtual key state indicating that a key is up.

See Also:

getState(int), Constant Field Values

DOWN

public static final int DOWN

The virtual key state indicating that a key is down.

See Also:

getState(int), Constant Field Values

PRESSED

public static final int PRESSED

The virtual key state indicating that a key is pressed.

See Also:

getState(int), Constant Field Values

RELEASED

public static final int RELEASED

The virtual key state indicating that a key is released.

See Also:

getState(int), Constant Field Values

REPEATED

public static final int REPEATED

The virtual key state indicating that a key is repeated. This happens when a keyboard key is held down and is OS dependent.

See Also:

getState(int), Constant Field Values

CURSOR_DEFAULT

public static final int CURSOR_DEFAULT

See Also:

Constant Field Values

CURSOR_OFF

public static final int CURSOR_OFF

See Also:

Constant Field Values

CURSOR_HAND

public static final int CURSOR_HAND

See Also:

Constant Field Values

CURSOR_CROSSHAIR

public static final int CURSOR_CROSSHAIR

See Also:

Constant Field Values

CURSOR_MOVE

public static final int CURSOR_MOVE

See Also:

Constant Field Values

CURSOR_TEXT

public static final int CURSOR_TEXT

See Also:

Constant Field Values

CURSOR_WAIT

public static final int CURSOR_WAIT

See Also:

Constant Field Values

CURSOR_N_RESIZE

public static final int CURSOR_N_RESIZE

See Also:

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CURSOR_S_RESIZE

public static final int CURSOR_S_RESIZE

See Also:

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CURSOR_W_RESIZE

public static final int CURSOR_W_RESIZE

See Also:

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CURSOR_E_RESIZE

public static final int CURSOR_E_RESIZE

See Also:

Constant Field Values

CURSOR_NW_RESIZE

public static final int CURSOR_NW_RESIZE

See Also:

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CURSOR_NE_RESIZE

public static final int CURSOR_NE_RESIZE

See Also:

Constant Field Values

CURSOR_SW_RESIZE

public static final int CURSOR_SW_RESIZE

See Also:

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CURSOR_SE_RESIZE

public static final int CURSOR_SE_RESIZE

See Also:

Constant Field Values

KEY_MOUSE_BUTTON_1

public static final int KEY_MOUSE_BUTTON_1

See Also:

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KEY_MOUSE_BUTTON_2

public static final int KEY_MOUSE_BUTTON_2

See Also:

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KEY_MOUSE_BUTTON_3

public static final int KEY_MOUSE_BUTTON_3

See Also:

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KEY_BACK_SPACE

public static final int KEY_BACK_SPACE

See Also:

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KEY_TAB

public static final int KEY_TAB

See Also:

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KEY_ENTER

public static final int KEY_ENTER

See Also:

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KEY_PAUSE

public static final int KEY_PAUSE

See Also:

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KEY_CAPS_LOCK

public static final int KEY_CAPS_LOCK

See Also:

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KEY_ESCAPE

public static final int KEY_ESCAPE

See Also:

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KEY_SPACE

public static final int KEY_SPACE

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KEY_PAGE_UP

public static final int KEY_PAGE_UP

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KEY_PAGE_DOWN

public static final int KEY_PAGE_DOWN

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KEY_END

public static final int KEY_END

See Also:

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KEY_HOME

public static final int KEY_HOME

See Also:

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KEY_LEFT

public static final int KEY_LEFT

See Also:

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KEY_UP

public static final int KEY_UP

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KEY_RIGHT

public static final int KEY_RIGHT

See Also:

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KEY_DOWN

public static final int KEY_DOWN

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KEY_PRINT_SCREEN

public static final int KEY_PRINT_SCREEN

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KEY_INSERT

public static final int KEY_INSERT

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KEY_DELETE

public static final int KEY_DELETE

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KEY_0

public static final int KEY_0

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KEY_1

public static final int KEY_1

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KEY_2

public static final int KEY_2

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KEY_3

public static final int KEY_3

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KEY_4

public static final int KEY_4

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KEY_5

public static final int KEY_5

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KEY_6

public static final int KEY_6

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KEY_7

public static final int KEY_7

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KEY_8

public static final int KEY_8

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KEY_9

public static final int KEY_9

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KEY_A

public static final int KEY_A

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KEY_B

public static final int KEY_B

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KEY_C

public static final int KEY_C

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KEY_D

public static final int KEY_D

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KEY_E

public static final int KEY_E

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KEY_F

public static final int KEY_F

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KEY_G

public static final int KEY_G

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KEY_H

public static final int KEY_H

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KEY_I

public static final int KEY_I

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KEY_J

public static final int KEY_J

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KEY_K

public static final int KEY_K

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KEY_L

public static final int KEY_L

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KEY_M

public static final int KEY_M

See Also:

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KEY_N

public static final int KEY_N

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KEY_O

public static final int KEY_O

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KEY_P

public static final int KEY_P

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KEY_Q

public static final int KEY_Q

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KEY_R

public static final int KEY_R

See Also:

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KEY_S

public static final int KEY_S

See Also:

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KEY_T

public static final int KEY_T

See Also:

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KEY_U

public static final int KEY_U

See Also:

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KEY_V

public static final int KEY_V

See Also:

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KEY_W

public static final int KEY_W

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KEY_X

public static final int KEY_X

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KEY_Y

public static final int KEY_Y

See Also:

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KEY_Z

public static final int KEY_Z

See Also:

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KEY_NUMPAD0

public static final int KEY_NUMPAD0

See Also:

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KEY_NUMPAD1

public static final int KEY_NUMPAD1

See Also:

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KEY_NUMPAD2

public static final int KEY_NUMPAD2

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KEY_NUMPAD3

public static final int KEY_NUMPAD3

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KEY_NUMPAD4

public static final int KEY_NUMPAD4

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KEY_NUMPAD5

public static final int KEY_NUMPAD5

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KEY_NUMPAD6

public static final int KEY_NUMPAD6

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KEY_NUMPAD7

public static final int KEY_NUMPAD7

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KEY_NUMPAD8

public static final int KEY_NUMPAD8

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KEY_NUMPAD9

public static final int KEY_NUMPAD9

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KEY_MULTIPLY

public static final int KEY_MULTIPLY

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KEY_ADD

public static final int KEY_ADD

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KEY_SEPARATOR

public static final int KEY_SEPARATOR

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KEY_SUBTRACT

public static final int KEY_SUBTRACT

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KEY_DECIMAL

public static final int KEY_DECIMAL

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KEY_DIVIDE

public static final int KEY_DIVIDE

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KEY_F1

public static final int KEY_F1

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KEY_F2

public static final int KEY_F2

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KEY_F3

public static final int KEY_F3

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KEY_F4

public static final int KEY_F4

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KEY_F5

public static final int KEY_F5

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KEY_F6

public static final int KEY_F6

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KEY_F7

public static final int KEY_F7

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KEY_F8

public static final int KEY_F8

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KEY_F9

public static final int KEY_F9

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KEY_F10

public static final int KEY_F10

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KEY_F11

public static final int KEY_F11

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KEY_F12

public static final int KEY_F12

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KEY_F13

public static final int KEY_F13

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KEY_F14

public static final int KEY_F14

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KEY_F15

public static final int KEY_F15

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KEY_F16

public static final int KEY_F16

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KEY_F17

public static final int KEY_F17

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KEY_F18

public static final int KEY_F18

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KEY_F19

public static final int KEY_F19

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KEY_F20

public static final int KEY_F20

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KEY_F21

public static final int KEY_F21

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KEY_F22

public static final int KEY_F22

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KEY_F23

public static final int KEY_F23

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KEY_F24

public static final int KEY_F24

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KEY_NUM_LOCK

public static final int KEY_NUM_LOCK

See Also:

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KEY_SCROLL_LOCK

public static final int KEY_SCROLL_LOCK

See Also:

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KEY_LEFT_SHIFT

public static final int KEY_LEFT_SHIFT

See Also:

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KEY_RIGHT_SHIFT

public static final int KEY_RIGHT_SHIFT

See Also:

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KEY_LEFT_CONTROL

public static final int KEY_LEFT_CONTROL

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KEY_RIGHT_CONTROL

public static final int KEY_RIGHT_CONTROL

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KEY_LEFT_ALT

public static final int KEY_LEFT_ALT

See Also:

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KEY_RIGHT_ALT

public static final int KEY_RIGHT_ALT

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KEY_SEMICOLON

public static final int KEY_SEMICOLON

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KEY_EQUALS

public static final int KEY_EQUALS

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KEY_COMMA

public static final int KEY_COMMA

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KEY_MINUS

public static final int KEY_MINUS

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KEY_PERIOD

public static final int KEY_PERIOD

See Also:

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KEY_SLASH

public static final int KEY_SLASH

See Also:

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KEY_BACK_QUOTE

public static final int KEY_BACK_QUOTE

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KEY_OPEN_BRACKET

public static final int KEY_OPEN_BRACKET

See Also:

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KEY_BACK_SLASH

public static final int KEY_BACK_SLASH

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KEY_CLOSE_BRACKET

public static final int KEY_CLOSE_BRACKET

See Also:

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KEY_QUOTE

public static final int KEY_QUOTE

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KEY_DOUBLE_MOUSE_BUTTON_1

public static final int KEY_DOUBLE_MOUSE_BUTTON_1

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KEY_DOUBLE_MOUSE_BUTTON_2

public static final int KEY_DOUBLE_MOUSE_BUTTON_2

See Also:

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KEY_DOUBLE_MOUSE_BUTTON_3

public static final int KEY_DOUBLE_MOUSE_BUTTON_3

See Also:

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KEY_TRIPLE_MOUSE_BUTTON_1

public static final int KEY_TRIPLE_MOUSE_BUTTON_1

See Also:

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KEY_TRIPLE_MOUSE_BUTTON_2

public static final int KEY_TRIPLE_MOUSE_BUTTON_2

See Also:

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KEY_TRIPLE_MOUSE_BUTTON_3

public static final int KEY_TRIPLE_MOUSE_BUTTON_3

See Also:

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KEY_LEFT_META

public static final int KEY_LEFT_META

See Also:

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KEY_RIGHT_META

public static final int KEY_RIGHT_META

See Also:

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NUM_KEY_CODES

public static final int NUM_KEY_CODES

See Also:

Constant Field Values

Method Detail

setCursor

public static void setCursor(int cursorCode)

Sets the cursor type.

getCursor

public static int getCursor()

requestKeyboardFocus

public static void requestKeyboardFocus()

hasKeyboardFocus

public static boolean hasKeyboardFocus()

getState

public static int getState(int keyCode)

Returns:

the key code state (UP, PRESSED, DOWN, or RELEASED) since the last call to poll. Returns UP if the key code is not defined.

isMouseInside

public static boolean isMouseInside()

Returns true if the mouse is inside the Stage.

isMouseMoving

public static boolean isMouseMoving()

Returns:

true if the mouse moved since the last frame.

getMouseX

public static int getMouseX()

Returns:

the current x location of the mouse.

getMouseY

public static int getMouseY()

Returns:

the current y location of the mouse.

getMousePressX

public static int getMousePressX()

Gets the x location of the last mouse press. To check if the mouse was just pressed, use isMousePressed().

Returns:

the x location of the last mouse press.

getMousePressY

public static int getMousePressY()

Gets the y location of the last mouse press. To check if the mouse was just pressed, use isMousePressed().

Returns:

the y location of the last mouse press.

getMouseReleaseX

public static int getMouseReleaseX()

Gets the x location of the last mouse release. To check if the mouse was just relesaed, use isMouseReleased().

Returns:

the x location of the last mouse release.

getMouseReleaseY

public static int getMouseReleaseY()

Gets the y location of the last mouse release. To check if the mouse was just relesaed, use isMouseReleased().

Returns:

the y location of the last mouse release.

getMouseWheelX

public static int getMouseWheelX()

Gets the x location of the last mouse wheel rotation. To check if the mouse wheel was just rotated, use getMouseWheelRotation().

Returns:

the x location of the last mouse wheel rotation.

getMouseWheelY

public static int getMouseWheelY()

Gets the y location of the last mouse wheel rotation. To check if the mouse wheel was just rotated, use getMouseWheelRotation().

Returns:

the y location of the last mouse wheel rotation.

getMouseWheelRotation

public static int getMouseWheelRotation()

Returns the number of clicks the mouse wheel was rotated since the last poll.

For applets, mouse wheel input may not work all situations. For example, the applet must first have focus, and some browsers (notably, Safari on Mac OS X) will not allow mouse wheel input at all.

Returns:

negative values if the mouse wheel was rotated up (away from the user), and positive values if the mouse wheel was rotated down (toward the user).

See Also:

getMouseWheelX(), getMouseWheelY()

getTypedChars

public static String getTypedChars()

Returns the keyboard character input received since the last poll.

isDown

public static boolean isDown(int keyCode)

Returns:

true if the key with the specified key code is currently down or was pressed since the last call to poll().

isPressed

public static boolean isPressed(int keyCode)

Returns:

true if the key with the specified key code has been pressed since the last call to poll(). After the next call to poll(), if the key is still down, this returns false and isDown() returns true.

isTyped

public static boolean isTyped(int keyCode)

isReleased

public static boolean isReleased(int keyCode)

Returns:

true if the key with the specified key code has been released since the last call to poll(). After the next call to poll(), isDown() returns false (unless the key is pressed again).

isPressed

public static boolean isPressed(int[] keyCodes)

Checks a list of key codes and returns true if at least one key is pressed and no other keys are down. This is a convenience method to bind an action to zero or more keys. For example, the arrow keys and the WASD keys could be bound to the same action.

Returns:

true if at least one key is pressed and no other keys are down.

isDown

public static boolean isDown(int[] keyCodes)

Checks a list of key codes and returns true if at least one key is down. This is a convenience method to bind an action to zero or more keys. For example, the arrow keys and the WASD keys could be bound to the same action.

Returns:

true if any key is down.

isReleased

public static boolean isReleased(int[] keyCodes)

Checks a list of key codes and returns true if at least one key is released and no other keys are down. This is a convenience method to bind an action to zero or more keys. For example, the arrow keys and the WASD keys could be bound to the same action.

Returns:

true if at least one key is released and no other keys are down.

isControlDown

public static boolean isControlDown()

Checks if either the left control (CTRL) key or the right control key is currently down.

isShiftDown

public static boolean isShiftDown()

Checks if either the left shift key or the right shift key is currently down.

isAltDown

public static boolean isAltDown()

Checks if either the left ALT key or the right ALT key is currently down.

isMetaDown

public static boolean isMetaDown()

Checks if either the left meta key or the right meta key is currently down. The meta key is the Command key on Mac OS X.

isMousePressed

public static boolean isMousePressed()

Returns true if the primary mouse button is pressed.

See Also:

getMousePressX(), getMousePressY()

isMouseReleased

public static boolean isMouseReleased()

Returns true if the primary mouse button is released.

See Also:

getMouseReleaseX(), getMouseReleaseY()

isMouseDown

public static boolean isMouseDown()

Returns true if the primary mouse button is down.

See Also:

getMouseX(), getMouseY()