AWT » AWT MouseEvent類

AWT MouseEvent類

此事件表明在一個元件中發生滑鼠動作。這種低層次的活動所產生的一個元件物件的滑鼠事件和滑鼠移動事件。

  • 按下滑鼠按鈕

  • 釋放滑鼠按鈕

  • 點選滑鼠按鈕（按下並釋放）

  • 滑鼠游標進入視野開闊的部分部件幾何

  • 遮掩部分元件的幾何形狀的滑鼠游標退出

  • 滑鼠指標移動

  • 拖動滑鼠

類的宣告

以下是java.awt.event.MouseEvent 類的宣告：

public class MouseEvent
   extends InputEvent

欄位域

以下是欄位java.awt.event.MouseEvent 類：

  • static int BUTTON1 --Indicates mouse button #1; used by getButton()

  • static int BUTTON2 --Indicates mouse button #2; used by getButton()

  • static int BUTTON3 --Indicates mouse button #3; used by getButton()

  • static int MOUSE_CLICKED --The "mouse clicked" event

  • static int MOUSE_DRAGGED --The "mouse dragged" event

  • static int MOUSE_ENTERED --The "mouse entered" event

  • static int MOUSE_EXITED --The "mouse exited" event

  • static int MOUSE_FIRST --The first number in the range of ids used for mouse events

  • static int MOUSE_LAST -- The last number in the range of ids used for mouse events

  • static int MOUSE_MOVED --The "mouse moved" event

  • static int MOUSE_PRESSED -- The "mouse pressed" event

  • static int MOUSE_RELEASED --The "mouse released" event

  • static int MOUSE_WHEEL --The "mouse wheel" event

  • static int NOBUTTON --Indicates no mouse buttons; used by getButton()

  • static int VK_WINDOWS --Constant for the Microsoft Windows "Windows" key.

類別建構函式

S.N. 構造方法 & 描述
1 MouseEvent(Component source, int id, long when, int modifiers, int x, int y, int clickCount, boolean popupTrigger) 
Constructs a MouseEvent object with the specified source component, type, modifiers, coordinates, and click count.
2 MouseEvent(Component source, int id, long when, int modifiers, int x, int y, int clickCount, boolean popupTrigger, int button) 
Constructs a MouseEvent object with the specified source component, type, modifiers, coordinates, and click count.
3 MouseEvent(Component source, int id, long when, int modifiers, int x, int y, int xAbs, int yAbs, int clickCount, boolean popupTrigger, int button) 
Constructs a MouseEvent object with the specified source component, type, modifiers, coordinates, absolute coordinates, and click count.

類方法

S.N. 方法和說明
1 int getButton() 
Returns which, if any, of the mouse buttons has changed state.
2 int getClickCount() 
Returns the number of mouse clicks associated with this event.
3 Point getLocationOnScreen() 
Returns the absolute x, y position of the event.
4 static String getMouseModifiersText(int modifiers) 
Returns a String describing the modifier keys and mouse buttons that were down during the event, such as "Shift", or "Ctrl+Shift".
5 Point getPoint() 
Returns the x,y position of the event relative to the source component.
6 int getX() 
Returns the horizontal x position of the event relative to the source component.
7 int getXOnScreen() 
Returns the absolute horizontal x position of the event.
8 int getY() 
Returns the vertical y position of the event relative to the source component.
9 int getYOnScreen() 
Returns the absolute vertical y position of the event.
10 boolean isPopupTrigger() Returns whether or not this mouse event is the popup menu trigger event for the platform.
11 String paramString() 
Returns a parameter string identifying this event.
12 void translatePoint(int x, int y) 
Translates the event's coordinates to a new position by adding specified x (horizontal) and y (vertical) offsets.

繼承的方法

這個類繼承的方法從以下類：

  • java.awt.event.InputEvent

  • java.awt.event.ComponentEvent

  • java.awt.AWTEvent

  • java.util.EventObject

  • java.lang.Object