javax.swing.JComboBox.getFont()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中javax.swing.JComboBox.getFont()方法的一些代码示例，展示了JComboBox.getFont()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JComboBox.getFont()方法的具体详情如下：
包路径：javax.swing.JComboBox
类名称：JComboBox
方法名：getFont

JComboBox.getFont介绍

暂无

代码示例

代码示例来源：origin: org.ihtsdo/wb-api

public int getWidestItemWidth() {
    int numItems = comboBox.getItemCount();
    Font font = comboBox.getFont();
    FontMetrics metrics = comboBox.getFontMetrics(font);
    int widest = 0;
    for (int i = 0; i < numItems; i++) {
      Object item = comboBox.getItemAt(i);
      int lineWidth = metrics.stringWidth(item.toString());
      widest = Math.max(widest, lineWidth);
    }
    return widest;
  }
}

代码示例来源：origin: com.github.insubstantial/substance

@Override
protected Dimension getDefaultSize() {
  Component rend = new SubstanceDefaultComboBoxRenderer(this.comboBox)
      .getListCellRendererComponent(listBox, " ", -1, false, false);
  rend.setFont(this.comboBox.getFont());
  return rend.getPreferredSize();
}

代码示例来源：origin: com.jtattoo/JTattoo

public Dimension getPreferredSize(JComponent c) {
  Dimension size = super.getPreferredSize(c);
  if (comboBox.getGraphics() != null) {
    FontMetrics fm = JTattooUtilities.getFontMetrics(comboBox, comboBox.getGraphics(), comboBox.getFont());
    size.height = fm.getHeight() + 2;
    if (UIManager.getLookAndFeel() instanceof AbstractLookAndFeel) {
      AbstractLookAndFeel laf = (AbstractLookAndFeel)UIManager.getLookAndFeel();
      size.height = Math.max(size.height, laf.getIconFactory().getDownArrowIcon().getIconHeight() + 2);
    }
  }
  return new Dimension(size.width + 2, size.height + 2);
}

代码示例来源：origin: net.java.dev.swing-layout/swing-layout

private int getComboBoxBaseline(JComboBox combobox, int height) {
  Insets insets = combobox.getInsets();
  int y = insets.top;
  height -= (insets.top + insets.bottom);
  if (combobox.isEditable()) {
    ComboBoxEditor editor = combobox.getEditor();
    if (editor != null && (editor.getEditorComponent() instanceof
                JTextField)) {
      JTextField tf = (JTextField)editor.getEditorComponent();
      return y + getSingleLineTextBaseline(tf, height);
    }
  }
  y -= 1;
  // Use the renderer to calculate baseline
  ListCellRenderer renderer = combobox.getRenderer();
  if (renderer instanceof JLabel) {
    return y + getLabelBaseline((JLabel)renderer, height);
  }
  // Renderer isn't a label, use metrics directly.
  FontMetrics fm = combobox.getFontMetrics(combobox.getFont());
  return y + fm.getAscent();
}

代码示例来源：origin: org.java.net.substance/substance

@Override
protected Dimension getDefaultSize() {
  Component rend = new SubstanceDefaultComboBoxRenderer(this.comboBox)
      .getListCellRendererComponent(listBox, " ", -1, false, false);
  rend.setFont(this.comboBox.getFont());
  return rend.getPreferredSize();
}

代码示例来源：origin: cmu-phil/tetrad

public void setup() {
  JButton info = new JButton("Help");
  info.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) {
      SessionUtils.showPermissibleParentsDialog(getSelectedModel(),
          modelClassesBox, false, false);
    }
  });
  JLabel l1 = new JLabel("Node name: " + nodeName);
  l1.setForeground(Color.black);
  setLayout(new BorderLayout());
  Box b1 = Box.createVerticalBox();
  Box b2 = Box.createHorizontalBox();
  b2.add(l1);
  b2.add(Box.createHorizontalGlue());
  b1.add(b2);
  b1.add(Box.createVerticalStrut(5));
  Box b3 = Box.createHorizontalBox();
  b3.add(modelClassesBox);
  Font font = this.modelClassesBox.getFont();
  l1.setFont(font);
  b3.add(Box.createGlue());
  b3.add(info);
  b1.add(b3);
  add(b1, BorderLayout.CENTER);
}

代码示例来源：origin: khuxtable/seaglass

currentValuePane.add(comp);
Font f = comboBox.getFont();

代码示例来源：origin: org.java.net.substance/substance

@Override
protected JButton createArrowButton() {
  SubstanceDropDownButton result = new SubstanceDropDownButton(
      this.comboBox);
  result.setFont(this.comboBox.getFont());
  result.setIcon(getCurrentIcon(result));
  return result;
}

代码示例来源：origin: com.github.insubstantial/substance

@Override
protected JButton createArrowButton() {
  SubstanceDropDownButton result = new SubstanceDropDownButton(
      this.comboBox);
  result.setFont(this.comboBox.getFont());
  result.setIcon(getCurrentIcon(result));
  return result;
}

代码示例来源：origin: khuxtable/seaglass

/**
 * Configures the list which is used to hold the combo box items in the
 * popup. This method is called when the UI class is created.
 */
@Override
protected void configureList() {
  list.setFont(comboBox.getFont());
  list.setBorder(null);
  list.setCellRenderer(comboBox.getRenderer());
  list.setFocusable(false);
  list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  int selectedIndex = comboBox.getSelectedIndex();
  if (selectedIndex == -1) {
    list.clearSelection();
  } else {
    list.setSelectedIndex(selectedIndex);
    list.ensureIndexIsVisible(selectedIndex);
  }
  installListListeners();
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/toniclf

/** 
 * Return the default size of an empty display area of the combo box using
 * the current renderer and font.
 *
 * @return the size of an empty display area
 * @see getDisplaySize
 */
protected Dimension getDefaultSize()
{
  // Calculates the height and width using the default text renderer
  Component c=
    getDefaultListCellRenderer().getListCellRendererComponent(
      listBox,
      " ",
      -1,
      false,
      false);
  currentValuePane.add(c);
  c.setFont(comboBox.getFont());
  Dimension d= c.getPreferredSize();
  currentValuePane.remove(c);
  return new Dimension(d.width, d.height);
}

代码示例来源：origin: com.github.arnabk/pgslookandfeel

c.setBackground(UIManager.getColor("ComboBox.background"));
c.setFont(comboBox.getFont());
if (comboBox.isEnabled()) {
  c.setForeground(comboBox.getForeground());

代码示例来源：origin: com.synaptix/SynaptixTattoo

/**
 * Configures the list which is used to hold the combo box items in the
 * popup. This method is called when the UI class is created.
 * 
 * @see #createList
 */
protected void configureList() {
  list.setFont(comboBox.getFont());
  list.setForeground(comboBox.getForeground());
  list.setBackground(comboBox.getBackground());
  list.setSelectionForeground(UIManager
      .getColor("ComboBox.selectionForeground"));
  list.setSelectionBackground(UIManager
      .getColor("ComboBox.selectionBackground"));
  list.setBorder(null);
  list.setCellRenderer(comboBox.getRenderer());
  list.setFocusable(false);
  list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  setListSelection(comboBox.getSelectedIndex());
  installListListeners();
}

代码示例来源：origin: org.gdl-lang.gdl-tools/cds-gui-swing

private static void disable(JComboBox comboBox) {
  comboBox.setFocusable(false);
  comboBox.setUI(new DisabledComboUI());
  comboBox.setFont(comboBox.getFont().deriveFont(Font.PLAIN));
  ComboBoxEditor editor = comboBox.getEditor();
  if (editor != null && editor.getEditorComponent() instanceof JTextComponent) {
    ((JTextComponent) editor.getEditorComponent()).setEditable(false);
  }
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/toniclf

editor.setFont(comboBox.getFont());

代码示例来源：origin: Multibit-Legacy/multibit-hd

/**
 * @param listener             The action listener to alert when the selection is made
 * @param bitcoinConfiguration The Bitcoin configuration to use
 *
 * @return A new "Bitcoin symbol" combo box (e.g. "mB", "XBT" etc)
 */
public static JComboBox<BitcoinSymbol> newBitcoinSymbolComboBox(ActionListener listener, BitcoinConfiguration bitcoinConfiguration) {
 // Order of insertion is important here
 JComboBox<BitcoinSymbol> comboBox = newReadOnlyComboBox(BitcoinSymbol.values());
 // Ensure it is accessible
 AccessibilityDecorator.apply(comboBox, MessageKey.SELECT_BITCOIN_SYMBOL, MessageKey.SELECT_BITCOIN_SYMBOL_TOOLTIP);
 // Increase default font size
 comboBox.setFont(comboBox.getFont().deriveFont(MultiBitUI.COMBO_BOX_TEXT_FONT_SIZE));
 // Ensure we have no ugly scrollbar
 comboBox.setMaximumRowCount(BitcoinSymbol.values().length);
 // Use a list cell renderer to ensure Bitcoin symbols are correctly presented
 ListCellRenderer<BitcoinSymbol> renderer = new BitcoinSymbolListCellRenderer();
 comboBox.setRenderer(renderer);
 // Ensure we start with the given symbol selected
 BitcoinSymbol bitcoinSymbol = BitcoinSymbol.of(bitcoinConfiguration.getBitcoinSymbol());
 comboBox.setSelectedIndex(bitcoinSymbol.ordinal());
 // Add the listener at the end to avoid false events
 comboBox.setActionCommand(BITCOIN_SYMBOL_COMMAND);
 comboBox.addActionListener(listener);
 return comboBox;
}

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

public void paintCurrentValue(Graphics g, Rectangle bounds,boolean hasFocus) {
  ListCellRenderer renderer = comboBox.getRenderer();
  //Fix for an obscure condition when renderer may be null -
  //can't figure how this can happen unless the combo box is
  //painted before installUI() has completed (which is called
  //by the superclass constructor calling updateUI().  Only
  //happens when opening an individual Properties window.  Maybe
  //the window is constructed off the AWT thread?
  if ((listBox == null) || (renderer == null)) {
    return;
  }
  Component c;
  c = renderer.getListCellRendererComponent( listBox,
                          comboBox.getSelectedItem(),
                          -1,
                          false,
                          false );
  c.setFont(comboBox.getFont());
  c.setForeground(comboBox.isEnabled() ? comboBox.getForeground() : 
    PropUtils.getDisabledForeground());
    
  c.setBackground(comboBox.getBackground());
  boolean shouldValidate = false;
  if (c instanceof JPanel)  {
    shouldValidate = true;
  }
  currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y,
                  bounds.width,bounds.height, shouldValidate);
}

代码示例来源：origin: org.netbeans.api/org-openide-explorer

@Override
public void paintCurrentValue(Graphics g, Rectangle bounds, boolean hasFocus) {
  ListCellRenderer renderer = comboBox.getRenderer();
  //Fix for an obscure condition when renderer may be null -
  //can't figure how this can happen unless the combo box is
  //painted before installUI() has completed (which is called
  //by the superclass constructor calling updateUI().  Only
  //happens when opening an individual Properties window.  Maybe
  //the window is constructed off the AWT thread?
  if ((listBox == null) || (renderer == null)) {
    return;
  }
  Component c;
  c = renderer.getListCellRendererComponent(listBox, comboBox.getSelectedItem(), -1, false, false);
  c.setFont(comboBox.getFont());
  c.setForeground(comboBox.isEnabled() ? comboBox.getForeground() : PropUtils.getDisabledForeground());
  c.setBackground(comboBox.getBackground());
  boolean shouldValidate = false;
  if (c instanceof JPanel) {
    shouldValidate = true;
  }
  currentValuePane.paintComponent(
    g, c, comboBox, bounds.x, bounds.y, bounds.width, bounds.height, shouldValidate
  );
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

public void paintCurrentValue(Graphics g, Rectangle bounds,boolean hasFocus) {
  ListCellRenderer renderer = comboBox.getRenderer();
  //Fix for an obscure condition when renderer may be null -
  //can't figure how this can happen unless the combo box is
  //painted before installUI() has completed (which is called
  //by the superclass constructor calling updateUI().  Only
  //happens when opening an individual Properties window.  Maybe
  //the window is constructed off the AWT thread?
  if ((listBox == null) || (renderer == null)) {
    return;
  }
  Component c;
  c = renderer.getListCellRendererComponent( listBox,
                          comboBox.getSelectedItem(),
                          -1,
                          false,
                          false );
  c.setFont(comboBox.getFont());
  c.setForeground(comboBox.isEnabled() ? comboBox.getForeground() : 
    PropUtils.getDisabledForeground());
    
  c.setBackground(comboBox.getBackground());
  boolean shouldValidate = false;
  if (c instanceof JPanel)  {
    shouldValidate = true;
  }
  currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y,
                  bounds.width,bounds.height, shouldValidate);
}

代码示例来源：origin: bcdev/beam

@Override
protected void initUI() {
  setDefaultLabelComponent(true);
  _comboBox = new JComboBox();
  nameEditorComponent(_comboBox);
  // Configure combo box
  if (getParameter().getProperties().getDescription() != null) {
    _comboBox.setToolTipText(getParameter().getProperties().getDescription());
  }
  if (getParameter().getProperties().getValueSet() != null) {
    _comboBox.setModel(new DefaultComboBoxModel(getParameter().getProperties().getValueSet()));
  }
  _comboBox.setEnabled(!getParameter().getProperties().isReadOnly());
  _comboBox.setEditable(!getParameter().getProperties().isValueSetBound());
  JTextComponent textComp = getTextComponent();
  if (textComp != null) {
    textComp.setInputVerifier(getDefaultInputVerifier());
  }
  _comboBox.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent event) {
      updateParameter();
    }
  });
  java.awt.Font font = _comboBox.getFont();
  if (font != null) {
    _comboBox.setFont(new java.awt.Font(font.getName(),
                      Font.PLAIN,
                      font.getSize()));
  }
}

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