InputEvent類是所有組件級(jí)別輸入事件的根事件類。輸入事件被傳遞到處理前的監(jiān)聽(tīng)器通常由他們起源的源。這讓監(jiān)聽(tīng)器和組件的子類“消費(fèi)”事件源不會(huì)使他們以默認(rèn)方式處理。例如,一個(gè)按鈕組件,將防止消耗mousePressed事件按鈕被激活。
以下是聲明 java.awt.event.InputEvent類:
public abstract class InputEvent extends ComponentEvent
以下為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.
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. |
這個(gè)類從以下類繼承的方法:
java.awt.event.ComponentEvent
java.awt.AWTEvent
java.util.EventObject
java.lang.Object