当前位置: 首页>>代码示例>>Java>>正文

Java Component.requestFocus方法代码示例

本文整理汇总了Java中java.awt.Component.requestFocus方法的典型用法代码示例。如果您正苦于以下问题：Java Component.requestFocus方法的具体用法？Java Component.requestFocus怎么用？Java Component.requestFocus使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.awt.Component的用法示例。


在下文中一共展示了Component.requestFocus方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: requestFocus

import java.awt.Component; //导入方法依赖的package包/类
private void requestFocus(JComponent comp) {
    Container container = SwingUtilities.getAncestorOfClass(TopComponent.class, comp);
    if (container != null) {
        ((TopComponent)container).requestActive();
    }
    else {
        Component f = comp;
        do {
            f = f.getParent();
            if (f instanceof Frame) {
                break;
            }
        } while (f != null);
        if (f != null) {
            f.requestFocus();
        }
        comp.requestFocus();
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:20，代码来源:QuietEditorPane.java

示例2: actionPerformed

import java.awt.Component; //导入方法依赖的package包/类
@Override
public void actionPerformed(ActionEvent e) {
    int selIndexBefore = getSelectedIndex();
    defaultAction.actionPerformed( e );
    int selIndexCurrent = getSelectedIndex();
    if( selIndexBefore != selIndexCurrent )
        return;
    
    if( focusNext && 0 == selIndexCurrent && getModel().getSize() > 1 && getModel().getSize() > getColumnCount() )
        return;
    
    KeyboardFocusManager kfm = KeyboardFocusManager.getCurrentKeyboardFocusManager();
    Container container = kfm.getCurrentFocusCycleRoot();
    FocusTraversalPolicy policy = container.getFocusTraversalPolicy();
    if( null == policy )
        policy = kfm.getDefaultFocusTraversalPolicy();
    Component next = focusNext ? policy.getComponentAfter( container, CategoryList.this )
                              : policy.getComponentBefore( container, CategoryList.this );
    if( null != next && next instanceof CategoryButton ) {
        clearSelection();
        next.requestFocus();
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:24，代码来源:CategoryList.java

示例3: focusSpinnerIfNecessary

import java.awt.Component; //导入方法依赖的package包/类
/**
 * Requests focus on a child of the spinner if the spinner doesn't have
 * focus.
 */
private void focusSpinnerIfNecessary()
{
	Component fo = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
	if( spinner.isRequestFocusEnabled() && (fo == null || !SwingUtilities.isDescendingFrom(fo, spinner)) )
	{
		Container root = spinner;

		if( !root.isFocusCycleRoot() )
		{
			root = root.getFocusCycleRootAncestor();
		}
		if( root != null )
		{
			FocusTraversalPolicy ftp = root.getFocusTraversalPolicy();
			Component child = ftp.getComponentAfter(root, spinner);

			if( child != null && SwingUtilities.isDescendingFrom(child, spinner) )
			{
				child.requestFocus();
			}
		}
	}
}
开发者ID:equella，项目名称:Equella，代码行数:28，代码来源:FlatterSpinnerUI.java

示例4: doRelease

import java.awt.Component; //导入方法依赖的package包/类
private void doRelease(JLabel label) {
    Component labelFor = label.getLabelFor();
    if (labelFor != null && labelFor.isEnabled()) {
        InputMap inputMap = SwingUtilities.getUIInputMap(label, JComponent.WHEN_FOCUSED);
        if (inputMap != null) {
            // inputMap should never be null.
            int dka = label.getDisplayedMnemonic();
            inputMap.remove(KeyStroke.getKeyStroke(dka, BasicLookAndFeel.getFocusAcceleratorKeyMask(), true));
            inputMap.remove(KeyStroke.getKeyStroke(dka, 0, true));
            inputMap.remove(KeyStroke.getKeyStroke(KeyEvent.VK_ALT, 0, true));
        }
        if (labelFor instanceof Container &&
                ((Container) labelFor).isFocusCycleRoot()) {
            labelFor.requestFocus();
        } else {
            SwingUtilities2.compositeRequestFocus(labelFor);
        }
    }
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:20，代码来源:BasicLabelUI.java

示例5: requestFocus

import java.awt.Component; //导入方法依赖的package包/类
@Override
public void requestFocus() {
    super.requestFocus();
    Component comp = getRefactoringPanelComp();
    if(comp != null) {
        comp.requestFocus();
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:9，代码来源:RefactoringPanelContainer.java

示例6: actionPerformed

import java.awt.Component; //导入方法依赖的package包/类
public void actionPerformed(ActionEvent e) {
    setFocusCycleRoot(false);

    try {
        Container con = BaseTable.this.getFocusCycleRootAncestor();

        if (con != null) {
            Component target = BaseTable.this;

            if (getParent() instanceof JViewport) {
                target = getParent().getParent();

                if (target == con) {
                    target = BaseTable.this;
                }
            }

            EventObject eo = EventQueue.getCurrentEvent();
            boolean backward = false;

            if (eo instanceof KeyEvent) {
                backward = ((((KeyEvent) eo).getModifiers() & KeyEvent.SHIFT_MASK) != 0) &&
                    ((((KeyEvent) eo).getModifiersEx() & KeyEvent.SHIFT_DOWN_MASK) != 0);
            }

            Component to = backward ? con.getFocusTraversalPolicy().getComponentAfter(con, BaseTable.this)
                                    : con.getFocusTraversalPolicy().getComponentAfter(con, BaseTable.this);

            if (to == BaseTable.this) {
                to = backward ? con.getFocusTraversalPolicy().getFirstComponent(con)
                              : con.getFocusTraversalPolicy().getLastComponent(con);
            }

            to.requestFocus();
        }
    } finally {
        setFocusCycleRoot(true);
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:40，代码来源:BaseTable.java

示例7: processKeyEvent

import java.awt.Component; //导入方法依赖的package包/类
@Override
protected void processKeyEvent(KeyEvent e) {

    if (!isEditing())
        super.processKeyEvent(e);
    else {
        Component component = ((DefaultCellEditor) getCellEditor(lastRow, lastColumn)).getComponent();
        component.requestFocus();
        component.dispatchEvent(new KeyEvent(component, e.getID(), e.getWhen(), e.getModifiers(), e.getKeyCode(), e.getKeyChar()));
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:12，代码来源:KeymapPanel.java

示例8: requestFocusForMessage

import java.awt.Component; //导入方法依赖的package包/类
/** Requests focus for <code>currentMessage</code> component.
 * If it is of <code>JComponent</code> type it tries default focus
 * request first. */
private void requestFocusForMessage() {
    Component comp = currentMessage;
    
    if(comp == null) {
        return;
    }

    if (/*!Constants.AUTO_FOCUS &&*/ FocusManager.getCurrentManager().getActiveWindow() == null) {
        // Do not steal focus if no Java window have it
        Component defComp = null;
        Container nearestRoot =
            (comp instanceof Container && ((Container) comp).isFocusCycleRoot()) ? (Container) comp : comp.getFocusCycleRootAncestor();
        if (nearestRoot != null) {
            defComp = nearestRoot.getFocusTraversalPolicy().getDefaultComponent(nearestRoot);
        }
        if (defComp != null) {
            defComp.requestFocusInWindow();
        } else {
            comp.requestFocusInWindow();
        }
    } else {
        if (!(comp instanceof JComponent)
            || !((JComponent)comp).requestDefaultFocus()) {

            comp.requestFocus();
        }
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:32，代码来源:NbPresenter.java

示例9: componentActivated

import java.awt.Component; //导入方法依赖的package包/类
protected void componentActivated() {
    super.componentActivated();
    if (lastFocusOwner != null) {
        lastFocusOwner.requestFocus();
    } else {
        Component defaultFocusOwner = defaultFocusOwner();
        if (defaultFocusOwner != null) defaultFocusOwner.requestFocus();
    }
    KeyboardFocusManager.getCurrentKeyboardFocusManager().
            addPropertyChangeListener("focusOwner", focusListener); // NOI18N
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:12，代码来源:ProfilerTopComponent.java

示例10: valueChanged

import java.awt.Component; //导入方法依赖的package包/类
public void valueChanged(ListSelectionEvent e) {
    table.editCellAt(table.getSelectedRow(), table.getSelectedColumn());
    Component editor = table.getEditorComponent();
    if (editor != null) {
        editor.requestFocus();
    }
    if (editor instanceof JTextComponent) {
        JTextComponent textComp = (JTextComponent) editor;
        textComp.selectAll();
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:12，代码来源:ExceptionsPanel.java

示例11: valueChanged

import java.awt.Component; //导入方法依赖的package包/类
public void valueChanged(ListSelectionEvent e) {
    table.editCellAt(table.getSelectedRow(), table.getSelectedColumn());
    Component editor = table.getEditorComponent();
    if (editor instanceof JComboBox) {
        editor = ((JComboBox) editor).getEditor().getEditorComponent();
    }
    if (editor != null) {
        editor.requestFocus();
    }
    if (editor instanceof JTextComponent) {
        JTextComponent textComp = (JTextComponent) editor;
        textComp.selectAll();
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:15，代码来源:ParametersPanel.java

示例12: requestFocus

import java.awt.Component; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public void requestFocus() {
    if (this.pane != null
        && this.pane.getUI() instanceof FreeColOptionPaneUI) {
        Component c = ((FreeColOptionPaneUI)this.pane.getUI())
            .getInitialFocusComponent();
        if (c != null) {
            c.requestFocus();
        }
    }
}
开发者ID:FreeCol，项目名称:freecol，代码行数:15，代码来源:FreeColDialog.java

示例13: ShowMessageConfirm

import java.awt.Component; //导入方法依赖的package包/类
public static int ShowMessageConfirm(Component parente, String msgTexto, boolean msgConfirm) {
    if (msgConfirm) {
        return ShowMessageConfirm(parente, msgTexto);
    }
    if (parente != null) parente.requestFocus();
    return (JOptionPane.showConfirmDialog(parente, (msgTexto.isEmpty() ? "?"  : " " + msgTexto),
            Editor.fromConfiguracao.getValor("Controler.MSG_CONFIRM_TITLE"),
            JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE)); 
}
开发者ID:chcandido，项目名称:brModelo，代码行数:10，代码来源:Dialogos.java

示例14: actionPerformed

import java.awt.Component; //导入方法依赖的package包/类
@Override
public void actionPerformed(ActionEvent e) {
    setFocusCycleRoot(false);
    try {
        Container con = ETable.this.getFocusCycleRootAncestor();
        if (con != null) {
            /*
            Component target = ETable.this;
            if (getParent() instanceof JViewport) {
                target = getParent().getParent();
                if (target == con) {
                    target = ETable.this;
                }
            }
            */

            EventObject eo = EventQueue.getCurrentEvent();
            boolean backward = false;
            if (eo instanceof KeyEvent) {
                backward = 
                    (((KeyEvent) eo).getModifiers() 
                    & KeyEvent.SHIFT_MASK) 
                    != 0 && (((KeyEvent) eo).getModifiersEx() & 
                    KeyEvent.SHIFT_DOWN_MASK) != 0;
            }

            Component c = ETable.this;
            Component to;
            Container parentWithFTP = null;
            do {
                FocusTraversalPolicy ftp = con.getFocusTraversalPolicy();
                to = backward ? ftp.getComponentBefore(con, c)
                              : ftp.getComponentAfter(con, c);


                if (to == ETable.this) {
                    to = backward ? ftp.getFirstComponent(con)
                                  : ftp.getLastComponent(con);
                }
                if (to == ETable.this) {
                    parentWithFTP = con.getParent();
                    if (parentWithFTP != null) {
                        parentWithFTP = parentWithFTP.getFocusCycleRootAncestor();
                    }
                    if (parentWithFTP != null) {
                        c = con;
                        con = parentWithFTP;
                    }
                }
            } while (to == ETable.this && parentWithFTP != null);
            if (to != null) {
                to.requestFocus();
            }
        }
    } finally {
        setFocusCycleRoot(true);
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:59，代码来源:ETable.java

示例15: propertyChange

import java.awt.Component; //导入方法依赖的package包/类
public void propertyChange(final java.beans.PropertyChangeEvent evt) {
    if( !SwingUtilities.isEventDispatchThread() ) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                propertyChange(evt);
            }
        });
        return;
    }
    boolean update = false;
    
    if (DialogDescriptor.PROP_OPTIONS.equals(evt.getPropertyName())) {
        initializeButtons();
        update = true;
    } else if (DialogDescriptor.PROP_OPTION_TYPE.equals(evt.getPropertyName())) {
        initializeButtons();
        update = true;
    } else if (DialogDescriptor.PROP_OPTIONS_ALIGN.equals(evt.getPropertyName())) {
        initializeButtons();
        update = true;
    } else if (DialogDescriptor.PROP_MESSAGE.equals(evt.getPropertyName())) {
        initializeMessage();
        requestFocusForMessage();
        // In case change of help ID on component message:
        updateHelp();
        update = true;
    } else if (DialogDescriptor.PROP_MESSAGE_TYPE.equals(evt.getPropertyName())) {
        initializeMessage();
        requestFocusForMessage();
        update = true;
    } else if (DialogDescriptor.PROP_TITLE.equals(evt.getPropertyName())) {
        setTitle(descriptor.getTitle());
    } else if (DialogDescriptor.PROP_NO_DEFAULT_CLOSE.equals(evt.getPropertyName())) {
        setDefaultCloseOperation( descriptor instanceof WizardDescriptor || descriptor.isNoDefaultClose()
                ? JDialog.DO_NOTHING_ON_CLOSE : JDialog.DISPOSE_ON_CLOSE );
    } else if (DialogDescriptor.PROP_HELP_CTX.equals(evt.getPropertyName())) {
        // bugfix #40057, restore focus owner after help update
        Component fo = KeyboardFocusManager.getCurrentKeyboardFocusManager ().getFocusOwner ();
        updateHelp();
        // In case buttons have changed: //just buttons!!
        // note, currentButtonsPanel may be null
        if (currentButtonsPanel != null) {
            currentButtonsPanel.revalidate();
        }
        if (currentButtonsPanel != null) {
            currentButtonsPanel.repaint();
        }
        if (fo != null) fo.requestFocus();
    } else if (DialogDescriptor.PROP_VALID.equals(evt.getPropertyName())) {
        updateOKButton(((Boolean)(evt.getNewValue())).booleanValue());
    } else if (NotifyDescriptor.PROP_INFO_NOTIFICATION.equals (evt.getPropertyName ())) {
        // XXX: need set update on true?
        updateNotificationLine (MSG_TYPE_INFO, evt.getNewValue ());
    } else if (NotifyDescriptor.PROP_WARNING_NOTIFICATION.equals (evt.getPropertyName ())) {
        // XXX: need set update on true?
        updateNotificationLine (MSG_TYPE_WARNING, evt.getNewValue ());
    } else if (NotifyDescriptor.PROP_ERROR_NOTIFICATION.equals (evt.getPropertyName ())) {
        // XXX: need set update on true?
        updateNotificationLine (MSG_TYPE_ERROR, evt.getNewValue ());
    }
    
    if (update) {
        Dimension sz = getSize();
        Dimension prefSize = getPreferredSize();
        if (prefSize.width > sz.width || prefSize.height > sz.height) {
            setSize(Math.max(prefSize.width, sz.width),
                    Math.max(prefSize.height, sz.height));
        }
        invalidate();
        validate();
        repaint();
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:74，代码来源:NbPresenter.java


注：本文中的java.awt.Component.requestFocus方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。