SWING InputEvent事件類
InputEvent類是所有組件級別輸入事件的根事件類。輸入事件被傳遞到處理前的監聽器通常由他們起源的源。這讓監聽器和組件的子類「消費」事件源不會使他們以默認方式處理。例如，一個按鈕組件，將防止消耗mousePressed事件按鈕被激活。
類聲明
以下是聲明 java.awt.event.InputEvent類：
public abstract class InputEvent extends ComponentEvent
字段域
以下爲java.awt.event.InputEvent類字段：
static int ALT_DOWN_MASK -- The Alt key extended modifier constant.
static int ALT_GRAPH_DOWN_MASK -- The AltGraph key extended modifier constant.
static int ALT_GRAPH_MASK -- The AltGraph key modifier constant.
static int ALT_MASK -- The Alt key modifier constant.
static int BUTTON1_DOWN_MASK -- The Mouse Button1 extended modifier constant.
static int BUTTON1_MASK -- The Mouse Button1 modifier constant.
static int BUTTON2_DOWN_MASK -- The Mouse Button2 extended modifier constant.
static int BUTTON2_MASK -- The Mouse Button2 modifier constant.
static int BUTTON3_DOWN_MASK -- The Mouse Button3 extended modifier constant.
static int BUTTON3_MASK --The Mouse Button3 modifier constant.
static int CTRL_DOWN_MASK -- The Control key extended modifier constant.
static int CTRL_MASK -- The Control key modifier constant.
static int META_DOWN_MASK -- The Meta key extended modifier constant.
static int META_MASK -- The Meta key modifier constant.
static int SHIFT_DOWN_MASK -- The Shift key extended modifier constant.
static int SHIFT_MASK -- The Shift key modifier constant.
類方法
S.N.
方法 & 描述
1
void consume()
Consumes this event so that it will not be processed in the default manner by the source which originated it.
2
int getModifiers()
Returns the modifier mask for this event.
3
int getModifiersEx()
Returns the extended modifier mask for this event.
4
static String getModifiersExText(int modifiers)
Returns a String describing the extended modifier keys and mouse buttons, such as "Shift", "Button1", or "Ctrl+Shift".
5
long getWhen()
Returns the timestamp of when this event occurred.
6
boolean isAltDown()
Returns whether or not the Alt modifier is down on this event.
7
boolean isAltGraphDown()
Returns whether or not the AltGraph modifier is down on this event.
8
boolean isConsumed()
Returns whether or not this event has been consumed.
9
boolean isControlDown()
Returns whether or not the Control modifier is down on this event.
10
boolean isMetaDown()
Returns whether or not the Meta modifier is down on this event.
11
boolean isShiftDown()
Returns whether or not the Shift modifier is down on this event.
方法繼承
這個類從以下類繼承的方法：
java.awt.event.ComponentEvent
java.awt.AWTEvent
java.util.EventObject
java.lang.Object