移動鼠標時的工具提示消息

我試圖在將鼠標移到圖像上時顯示彈出框。你能幫忙嗎？移動鼠標時的工具提示消息

public shopWidget extends Composite implements ClickListener { 
    Image phoneImage = new Image(); 
    Image serviceImage = new Image(); 
    FlexTable flTable = new FlexTable(); 
    flTable.setWidget(0, 0, this.rewardsLabel); 
    flTable.setWidget(1, 0, this.serviceImage); 
    this.initWidget(flTable); 
}

來源

2011-01-12 user572598

什麼操作系統，圖形用戶界面，編程語言，平臺，環境等？請至少標記適當的。 – 2011-01-12 11:03:18

如果你使用的擺動，它看起來並不像你，（所以爲什麼我回答？），那麼所有JComponent上含蓄地支持與方法，如工具提示;

setToolTipText(String text)

來源

2011-01-12 11:29:54 Qwerky

Image phoneImage = new Image(); 
    phoneImage.addMouseOverHandler(new MouseOverHandler() { 

     @Override 
     public void onMouseOver(MouseOverEvent event) { 
      PopupPanel p = new PopupPanel(true); 
      Widget source = (Widget) event.getSource(); 
      int x = source.getAbsoluteLeft() + 10; 
      int y = source.getAbsoluteTop() + 10; 

      p.add(new Label("hi from tooltip")); // you can add any widget here 
      p.setPopupPosition(x, y); 
      p.show(); 

     } 
    });

這裏是GWT簡單popup

來源

2011-01-12 11:42:37

是否支持，如果我必須表現出如使用GWT沒有波動 – user572598 2011-01-12 11:58:18

？ – user572598 2011-01-12 11:59:12

setTitle(String)顯示彈出文本在任何UIObject，包括Image秒。這是瀏覽器原生的，只允許使用文本。

來源

2011-01-12 13:59:18

final PopupPanel pop = new PopupPanel(false, false); 
pop.setWidget(new Label("popup")); 
Image image = new CustomTooltipImage(pop); 
image.setUrl("http://sstatic.net/stackoverflow/img/venn-diagram.png");

這是自定義提示圖像類：

public class CustomTooltipImage extends Image implements MouseOverHandler, MouseMoveHandler, MouseOutHandler 
{ 
    private final PopupPanel tooltip; 

    public CustomTooltipImage(PopupPanel tooltip) 
    { 
     super(); 
     this.tooltip = tooltip; 
     addMouseOverHandler(this); 
     addMouseOutHandler(this); 
     addMouseMoveHandler(this); 
    } 

    @Override 
    public void onMouseOut(MouseOutEvent event) 
    { 
     tooltip.hide(); 
    } 

    @Override 
    public void onMouseMove(MouseMoveEvent event) 
    { 
     tooltip.setPopupPosition(event.getClientX(), event.getClientY()); 
    } 

    @Override 
    public void onMouseOver(MouseOverEvent event) 
    { 
     tooltip.setPopupPosition(event.getClientX(), event.getClientY()); 
     tooltip.show(); 
    } 
}

來源

2011-01-12 23:53:35 LINEMAN78

移動鼠標時的工具提示消息

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