Options (JGoodies Looks 2.6 API)
Date: 2014-02-27

com.jgoodies.looks

## Class Options

- java.lang.Object
- - com.jgoodies.looks.Options

-     public final class Options
      extends Object

  Provides access to optional features of the JGoodies L&Fs via a key to the system properties, via a key for the `UIDefaults` table, via a method, or all of them.

  API users can use this class' constants or their values to configure the JGoodies L&amP;f. Using the constants requires the Looks library classes in the class path of the using application/applet, where using the String values doesn't require having this class in the class path.

  Version:
    $Revision: 1.25 $
  Author:
    Karsten Lentzsch

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `COMBO_POPUP_PROTOTYPE_DISPLAY_VALUE_KEY` A JComboBox client property key for the combo's popup menu prototype display value.
    `static String` | `COMBO_RENDERER_IS_BORDER_REMOVABLE` A client property key for combo box renderer components.
    `static String` | `DEFAULT_ICON_SIZE_KEY`
    `static String` | `DEFAULT_LOOK_NAME` The class name of the default JGoodies L&f, PlasticXP.
    `static String` | `EMBEDDED_TABS_KEY` A JTabbedPane client property key that indicates that tabs are painted with a special embedded appearance.
    `static String` | `HEADER_STYLE_KEY` A client property key for JMenuBar and JToolBar style hints.
    `static String` | `HI_RES_DISABLED_ICON_CLIENT_KEY` A client property key for components with a disabled icon such as buttons, labels, and tabbed panes.
    `static String` | `HI_RES_GRAY_FILTER_ENABLED_KEY` A UIDefaults key for enabling/disabling the new high-resolution gray filter globally.
    `static String` | `INVERT_SELECTION_CLIENT_KEY` A JTextField client property key that specifies the direction how text shall be selected on focus gain - if at all: from start to end vs. end to start.
    `static String` | `IS_ETCHED_KEY` A JScrollPane client property key for a hint that the scroll pane border should be etched.
    `static String` | `JGOODIES_WINDOWS_NAME` The class name of the JGoodies Windows L&f.
    `static String` | `NO_CONTENT_BORDER_KEY` A JTabbedPane client property key that indicates that no content border shall be painted.
    `static String` | `NO_ICONS_KEY` A JMenu client property key for a hint that the menu items in the menu have no icons.
    `static String` | `NO_MARGIN_KEY` A JPopupMenu client property key for a hint that the border shall have no extra margin.
    `static String` | `NO_REPLACEMENT` A replacement used to replace a given L&f with nothing, that indicates that it should not be used.
    `static String` | `PLASTIC_CONTROL_FONT_KEY` A key for setting the default control font in Plastic L&fs.
    `static String` | `PLASTIC_FONT_POLICY_KEY` A key for setting a custom FontPolicy for the Plastic L&fs.
    `static String` | `PLASTIC_MENU_FONT_KEY` A key for setting the default menu font in Plastic L&fs.
    `static String` | `PLASTIC_MICRO_LAYOUT_POLICY_KEY` A UIManager key for setting a custom MicroLayoutPolicy for the Plastic L&fs.
    `static String` | `PLASTIC_NAME` The class name of the JGoodies Plastic L&f.
    `static String` | `PLASTIC3D_NAME` The class name of the JGoodies Plastic3D L&f.
    `static String` | `PLASTICXP_NAME` The class name of the JGoodies PlasticXP L&f.
    `static String` | `POPUP_DROP_SHADOW_ENABLED_KEY` A UIDefaults key for the popup drop shadow enablement.
    `static String` | `SELECT_ON_FOCUS_GAIN_CLIENT_KEY` A JTextField client property key that specifies whether all text shall be selected on focus gain.
    `static String` | `SELECT_ON_FOCUS_GAIN_KEY` A UIDefaults key for the global default whether text fields shall select all text on focus gain.
    `static String` | `SET_CARET_TO_START_ON_FOCUS_LOST_CLIENT_KEY` A JTextField client property key that specifies whether the caret shall be positioned at the start on focus lost.
    `static String` | `TAB_ICONS_ENABLED_KEY`
    `static String` | `TREE_LINE_STYLE_ANGLED_VALUE` A JTree client property value that indicates that lines shall be drawn.
    `static String` | `TREE_LINE_STYLE_KEY` A JTree client property key for a tree line style hint.
    `static String` | `TREE_LINE_STYLE_NONE_VALUE` A JTree client property value that indicates that lines shall be hidden.
    `static String` | `USE_NARROW_BUTTONS_KEY`
    `static String` | `USE_SYSTEM_FONTS_APP_KEY` A convenience constant for the standard Swing UIDefaults key that configures the use of system fonts.
    `static String` | `USE_SYSTEM_FONTS_KEY` A convenience constant for the standard Swing system property key that configures the use of system fonts.
    `static String` | `WINDOWS_CONTROL_FONT_KEY` A key for setting the default control font in the Windows L&f.
    `static String` | `WINDOWS_FONT_POLICY_KEY` A key for setting a custom FontPolicy for the Windows L&fs.
    `static String` | `WINDOWS_MENU_FONT_KEY` A key for setting the default menu font in the Windows L&f.
    `static String` | `WINDOWS_MICRO_LAYOUT_POLICY_KEY` A UIManager key for setting a custom MicroLayoutPolicy for the Windows L&f.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static String` | `getCrossPlatformLookAndFeelClassName()` Returns the class name for a cross-platform `LookAndFeel`.
    `static Dimension` | `getDefaultIconSize()` Returns the default icon size that is used in menus, menu items and toolbars.
    `static String` | `getReplacementClassNameFor(String className)` Returns the class name that can be used to replace the specified `LookAndFeel` class name.
    `static Boolean` | `getSelectOnFocusGainEnabled(JTextComponent c)` Returns component's individual setting for the select on focus gain feature.
    `static String` | `getSystemLookAndFeelClassName()` Returns the class name for a system specific `LookAndFeel`.
    `static boolean` | `getUseNarrowButtons()` Checks and answers if we shall use narrow button margins of 4 pixels.
    `static boolean` | `getUseSystemFonts()` Returns whether native system fonts shall be used, `true` by default unless disabled in the system properties or UIManager.
    `static boolean` | `isHiResGrayFilterEnabled()` Checks and answers whether the new high-resolution gray filter is enabled or disabled.
    `static boolean` | `isPopupDropShadowActive()` Checks and answers whether popup drop shadows are active.
    `static boolean` | `isPopupDropShadowEnabled()` Checks and answers whether the optional drop shadows for PopupMenus are enabled or disabled.
    `static boolean` | `isSelectOnFocusGainActive(JTextComponent c)` Checks and answers whether the select all on focus gain feature is active for the given field.
    `static boolean` | `isSelectOnFocusGainEnabled()` Checks and answers whether the global default for text fields is to select all text on focus gain.
    `static boolean` | `isTabIconsEnabled()` Checks and answers if we shall use icons in JTabbedPanes.
    `static void` | `putLookAndFeelReplacement(String original, String replacement)` Puts a replacement name for a given `LookAndFeel` class name in the list of all look and feel replacements.
    `static void` | `removeLookAndFeelReplacement(String original)` Removes a replacement name for a given `LookAndFeel` class name from the list of all look and feel replacements.
    `static void` | `setDefaultIconSize(Dimension defaultIconSize)` Sets the default icon size.
    `static void` | `setHiResGrayFilterEnabled(boolean b)` Enables or disables the new high-resolution gray filter globally.
    `static void` | `setPopupDropShadowEnabled(boolean b)` Enables or disables drop shadows in PopupMenus.
    `static void` | `setSelectOnFocusGainEnabled(boolean b)` Enables or disables the select on focus gain feature globally.
    `static void` | `setSelectOnFocusGainEnabled(JTextField field, Boolean b)` Overrides the global default for the select all feature for the given text field.
    `static void` | `setTabIconsEnabled(boolean b)` Enables or disables the use of icons in JTabbedPanes.
    `static void` | `setUseNarrowButtons(boolean b)` Globally sets the use narrow or standard button margins.
    `static void` | `setUseSystemFonts(boolean useSystemFonts)` Sets a value in the UIManager to indicate, that a look&feel may use the native system fonts.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### PLASTIC_NAME

          public static final String PLASTIC_NAME

      The class name of the JGoodies Plastic L&f.
      See Also:
        Constant Field Values

    - #### PLASTIC3D_NAME

          public static final String PLASTIC3D_NAME

      The class name of the JGoodies Plastic3D L&f.
      See Also:
        Constant Field Values

    - #### PLASTICXP_NAME

          public static final String PLASTICXP_NAME

      The class name of the JGoodies PlasticXP L&f.
      See Also:
        Constant Field Values

    - #### JGOODIES_WINDOWS_NAME

          public static final String JGOODIES_WINDOWS_NAME

      The class name of the JGoodies Windows L&f.
      See Also:
        Constant Field Values

    - #### DEFAULT_LOOK_NAME

          public static final String DEFAULT_LOOK_NAME

      The class name of the default JGoodies L&f, PlasticXP.
      See Also:
        Constant Field Values

    - #### PLASTIC_FONT_POLICY_KEY

          public static final String PLASTIC_FONT_POLICY_KEY

      A key for setting a custom FontPolicy for the Plastic L&fs. Used for both the system properties and the UIDefaults table.
      See Also:
        `PlasticLookAndFeel.getFontPolicy()`, `PlasticLookAndFeel.setFontPolicy(FontPolicy)`, Constant Field Values

    - #### PLASTIC_CONTROL_FONT_KEY

          public static final String PLASTIC_CONTROL_FONT_KEY

      A key for setting the default control font in Plastic L&fs. Used for both the system properties and the UIDefaults table.
      See Also:
        `FontPolicies.customSettingsPolicy(FontPolicy)`, Constant Field Values

    - #### PLASTIC_MENU_FONT_KEY

          public static final String PLASTIC_MENU_FONT_KEY

      A key for setting the default menu font in Plastic L&fs. Used for both the system properties and the UIDefaults table.
      See Also:
        `FontPolicies.customSettingsPolicy(FontPolicy)`, Constant Field Values

    - #### WINDOWS_FONT_POLICY_KEY

          public static final String WINDOWS_FONT_POLICY_KEY

      A key for setting a custom FontPolicy for the Windows L&fs. Used for both the system properties and the UIDefaults table.
      See Also:
        `WindowsLookAndFeel.getFontPolicy()`, `WindowsLookAndFeel.setFontPolicy(FontPolicy)`, Constant Field Values

    - #### WINDOWS_CONTROL_FONT_KEY

          public static final String WINDOWS_CONTROL_FONT_KEY

      A key for setting the default control font in the Windows L&f. Used for both the system properties and the UIDefaults table.
      See Also:
        `FontPolicies.customSettingsPolicy(FontPolicy)`, Constant Field Values

    - #### WINDOWS_MENU_FONT_KEY

          public static final String WINDOWS_MENU_FONT_KEY

      A key for setting the default menu font in the Windows L&f. Used for both the system properties and the UIDefaults table.
      See Also:
        `FontPolicies.customSettingsPolicy(FontPolicy)`, Constant Field Values

    - #### USE_SYSTEM_FONTS_KEY

          public static final String USE_SYSTEM_FONTS_KEY

      A convenience constant for the standard Swing system property key that configures the use of system fonts.
      See Also:
        `getUseSystemFonts()`, `setUseSystemFonts(boolean)`, Constant Field Values

    - #### USE_SYSTEM_FONTS_APP_KEY

          public static final String USE_SYSTEM_FONTS_APP_KEY

      A convenience constant for the standard Swing UIDefaults key that configures the use of system fonts.
      See Also:
        `getUseSystemFonts()`, `setUseSystemFonts(boolean)`, Constant Field Values

    - #### PLASTIC_MICRO_LAYOUT_POLICY_KEY

          public static final String PLASTIC_MICRO_LAYOUT_POLICY_KEY

      A UIManager key for setting a custom MicroLayoutPolicy for the Plastic L&fs.
      See Also:
        `PlasticLookAndFeel.getMicroLayoutPolicy()`, `PlasticLookAndFeel.setMicroLayoutPolicy(MicroLayout)`, Constant Field Values

    - #### WINDOWS_MICRO_LAYOUT_POLICY_KEY

          public static final String WINDOWS_MICRO_LAYOUT_POLICY_KEY

      A UIManager key for setting a custom MicroLayoutPolicy for the Windows L&f.
      See Also:
        `WindowsLookAndFeel.getMicroLayoutPolicy()`, `WindowsLookAndFeel.setMicroLayoutPolicy(MicroLayout)`, Constant Field Values

    - #### DEFAULT_ICON_SIZE_KEY

          public static final String DEFAULT_ICON_SIZE_KEY

      See Also:
        Constant Field Values

    - #### USE_NARROW_BUTTONS_KEY

          public static final String USE_NARROW_BUTTONS_KEY

      See Also:
        Constant Field Values

    - #### TAB_ICONS_ENABLED_KEY

          public static final String TAB_ICONS_ENABLED_KEY

      See Also:
        Constant Field Values

    - #### POPUP_DROP_SHADOW_ENABLED_KEY

          public static final String POPUP_DROP_SHADOW_ENABLED_KEY

      A UIDefaults key for the popup drop shadow enablement.
      See Also:
        `isPopupDropShadowEnabled()`, `setPopupDropShadowEnabled(boolean)`, Constant Field Values

    - #### HI_RES_GRAY_FILTER_ENABLED_KEY

          public static final String HI_RES_GRAY_FILTER_ENABLED_KEY

      A UIDefaults key for enabling/disabling the new high-resolution gray filter globally. This setting can be overridden per component.
      Since:
        2.1
      See Also:
        `setHiResGrayFilterEnabled(boolean)`, `HI_RES_DISABLED_ICON_CLIENT_KEY`, Constant Field Values

    - #### SELECT_ON_FOCUS_GAIN_KEY

          public static final String SELECT_ON_FOCUS_GAIN_KEY

      A UIDefaults key for the global default whether text fields shall select all text on focus gain. This can be overridden per field.
      Since:
        2.2
      See Also:
        `setSelectOnFocusGainEnabled(boolean)`, Constant Field Values

    - #### IS_ETCHED_KEY

          public static final String IS_ETCHED_KEY

      A JScrollPane client property key for a hint that the scroll pane border should be etched.
      See Also:
        Constant Field Values

    - #### HEADER_STYLE_KEY

          public static final String HEADER_STYLE_KEY

      A client property key for JMenuBar and JToolBar style hints. Available styles are: `HeaderStyle.Single` and `HeaderStyle.Both`.
      See Also:
        `HeaderStyle`, `BorderStyle`, Constant Field Values

    - #### NO_ICONS_KEY

          public static final String NO_ICONS_KEY

      A JMenu client property key for a hint that the menu items in the menu have no icons.
      See Also:
        Constant Field Values

    - #### NO_MARGIN_KEY

          public static final String NO_MARGIN_KEY

      A JPopupMenu client property key for a hint that the border shall have no extra margin. This is useful if the popup menu contains only a single component, for example a scrollpane.
      See Also:
        Constant Field Values

    - #### TREE_LINE_STYLE_KEY

          public static final String TREE_LINE_STYLE_KEY

      A JTree client property key for a tree line style hint.
      See Also:
        `TREE_LINE_STYLE_ANGLED_VALUE`, `TREE_LINE_STYLE_NONE_VALUE`, Constant Field Values

    - #### TREE_LINE_STYLE_ANGLED_VALUE

          public static final String TREE_LINE_STYLE_ANGLED_VALUE

      A JTree client property value that indicates that lines shall be drawn.
      See Also:
        `TREE_LINE_STYLE_KEY`, Constant Field Values

    - #### TREE_LINE_STYLE_NONE_VALUE

          public static final String TREE_LINE_STYLE_NONE_VALUE

      A JTree client property value that indicates that lines shall be hidden.
      See Also:
        `TREE_LINE_STYLE_KEY`, Constant Field Values

    - #### NO_CONTENT_BORDER_KEY

          public static final String NO_CONTENT_BORDER_KEY

      A JTabbedPane client property key that indicates that no content border shall be painted. Supported by the JGoodies Windows L&f and the JGoodies Plastic look&feel family. This effect will be achieved also if the EMBEDDED property is true.
      See Also:
        Constant Field Values

    - #### EMBEDDED_TABS_KEY

          public static final String EMBEDDED_TABS_KEY

      A JTabbedPane client property key that indicates that tabs are painted with a special embedded appearance. Supported by the JGoodies Windows L&f and the JGoodies Plastic look&feel family. As a side effect of the embedded appearance, supporting L&fs won't paint the content border.
      See Also:
        Constant Field Values

    - #### COMBO_POPUP_PROTOTYPE_DISPLAY_VALUE_KEY

          public static final String COMBO_POPUP_PROTOTYPE_DISPLAY_VALUE_KEY

      A JComboBox client property key for the combo's popup menu prototype display value. If this key is set, the value will be used to compute the combo popup width. This optional feature is supported by the JGoodies Windows L&f as well as the JGoodies Plastic L&fs.
      See Also:
        Constant Field Values

    - #### COMBO_RENDERER_IS_BORDER_REMOVABLE

          public static final String COMBO_RENDERER_IS_BORDER_REMOVABLE

      A client property key for combo box renderer components. The Boolean value indicates whether the component's border can be temporarily removed when painting the current value or not.

      This is useful for custom renderers used with Windows combo boxes as described by `WindowsComboBoxUI#paintCurrentValue`}.

      Since:
        2.1
      See Also:
        Constant Field Values

    - #### HI_RES_DISABLED_ICON_CLIENT_KEY

          public static final String HI_RES_DISABLED_ICON_CLIENT_KEY

      A client property key for components with a disabled icon such as buttons, labels, and tabbed panes. Specifies whether the new high resolution gray filter shall be used to compute a disabled icon - if none is available.
      Since:
        2.1
      See Also:
        `isHiResGrayFilterEnabled()`, `setHiResGrayFilterEnabled(boolean)`, `HI_RES_GRAY_FILTER_ENABLED_KEY`, Constant Field Values

    - #### SELECT_ON_FOCUS_GAIN_CLIENT_KEY

          public static final String SELECT_ON_FOCUS_GAIN_CLIENT_KEY

      A JTextField client property key that specifies whether all text shall be selected on focus gain. Overrides the global default.

      This feature can be set using `setSelectOnFocusGainEnabled(JTextField, Boolean)`. If you want to avoid to link application code to the JGoodies Looks library, you can set the client property directly using:

           aTextField.putClientProperty("JGoodies.selectAllOnFocusGain", Boolean.TRUE);

      Since:
        2.2
      See Also:
        `setSelectOnFocusGainEnabled(boolean)`, Constant Field Values

    - #### INVERT_SELECTION_CLIENT_KEY

          public static final String INVERT_SELECTION_CLIENT_KEY

      A JTextField client property key that specifies the direction how text shall be selected on focus gain - if at all: from start to end vs. end to start. If the value is set to Boolean.TRUE, the text is selected from end to start, otherwise it is selected from start to end.

      You can set the client property using:

           aTextField.putClientProperty("JGoodies.invertSelection", Boolean.TRUE);

      Since:
        2.2
      See Also:
        Constant Field Values

    - #### SET_CARET_TO_START_ON_FOCUS_LOST_CLIENT_KEY

          public static final String SET_CARET_TO_START_ON_FOCUS_LOST_CLIENT_KEY

      A JTextField client property key that specifies whether the caret shall be positioned at the start on focus lost. If the value is set to Boolean.TRUE, the caret is set to position 0 on focus lost, otherwise the caret remains unchanged.

      You can set the client property using:

           aTextField.putClientProperty("JGoodies.setCaretToStartOnFocusLost", Boolean.TRUE);

      Since:
        2.2
      See Also:
        Constant Field Values

    - #### NO_REPLACEMENT

          public static final String NO_REPLACEMENT

      A replacement used to replace a given L&f with nothing, that indicates that it should not be used. For example, by default we mark the WindowsClass L&f this way, to remove it from L&f lists that replace the Sun Windows L&f with the JGoodies Windows L&f.
      Since:
        2.1.3
      See Also:
        Constant Field Values

  - ### Method Detail

    - #### getUseSystemFonts

          public static boolean getUseSystemFonts()

      Returns whether native system fonts shall be used, `true` by default unless disabled in the system properties or UIManager.
      Returns:
        true unless disabled in the system properties or UIManager
      See Also:
        `setUseSystemFonts(boolean)`, `USE_SYSTEM_FONTS_KEY`, `USE_SYSTEM_FONTS_APP_KEY`

    - #### setUseSystemFonts

          public static void setUseSystemFonts(boolean useSystemFonts)

      Sets a value in the UIManager to indicate, that a look&feel may use the native system fonts.
      Parameters:
        `useSystemFonts` - true to enable system fonts in the UIManager
      See Also:
        `getUseSystemFonts()`, `USE_SYSTEM_FONTS_KEY`, `USE_SYSTEM_FONTS_APP_KEY`

    - #### getDefaultIconSize

          public static Dimension getDefaultIconSize()

      Returns the default icon size that is used in menus, menu items and toolbars. Menu items that have no icon set are aligned using the default icon dimensions.
      Returns:
        the dimension of the default icon
      See Also:
        `setDefaultIconSize(Dimension)`

    - #### setDefaultIconSize

          public static void setDefaultIconSize(Dimension defaultIconSize)

      Sets the default icon size.
      Parameters:
        `defaultIconSize` - the default icon size to set
      See Also:
        `getDefaultIconSize()`

    - #### getUseNarrowButtons

          public static boolean getUseNarrowButtons()

      Checks and answers if we shall use narrow button margins of 4 pixels. As of the Looks version 1.4 the default value is `true` (narrow) for the JGoodies Windows L&F and the JGoodies Plastic L&F family. The native Windows L&F uses narrow margins too. The default can be disabled in the system properties or UIManager.

      Note: Using narrow button margins can potentially cause compatibility issues, if you don't take care that command buttons with short labels (OK) get a reasonable minimum width. Therefore you can get back to wide button margins using `#setUseNarrowButtons`. Sun's L&F implementations use a wider button margin of 14 pixels.

      Narrow button margins make it easier to give buttons in a button bar the same width, even if some button labels are long. And narrow margins are useful for embedded command buttons that just have an icon, or an ellipsis (…). Many style guides recommend to use a minimum button width in command button bars, for example 50 dialog units on Windows. Such a minimum width makes it easier to click a button, just because the button area has a reasonable minimum size. To ensure a reasonable button minimum width, you may configure a LayoutManager, use a special panel for command button bars, or a factory that vends command button bars.

      The JGoodies FormLayout can layout button bars that comply with both the MS Windows Layout Guidelines and the Mac Aqua Human Interface Guidelines. The JGoodies Forms contains a ButtonBarBuilder to build command button bars, and a ButtonBarFactory that vends frequently used button bars.

      Returns:
        `true` (default) if all buttons shall use narrow margins, `false` for wider margins
      See Also:
        `setUseNarrowButtons(boolean)`, `USE_NARROW_BUTTONS_KEY`

    - #### setUseNarrowButtons

          public static void setUseNarrowButtons(boolean b)

      Globally sets the use narrow or standard button margins.

      In previous versions of the JGoodies Looks this setting was supported also for individual buttons - primarily to offer visual backward compatibility with Sun L&Fs.

      Parameters:
        `b` - true to use narrow button margins globally
      See Also:
        `getUseNarrowButtons()`, `USE_NARROW_BUTTONS_KEY`

    - #### isTabIconsEnabled

          public static boolean isTabIconsEnabled()

      Checks and answers if we shall use icons in JTabbedPanes. By default, tab icons are enabled. If the user has set a system property, we log a message about the choosen style.
      Returns:
        true if icons in tabbed panes are enabled, false if disabled
      See Also:
        `setTabIconsEnabled(boolean)`

    - #### setTabIconsEnabled

          public static void setTabIconsEnabled(boolean b)

      Enables or disables the use of icons in JTabbedPanes.
      Parameters:
        `b` - true to enable icons in tabbed panes, false to disable them
      See Also:
        `isTabIconsEnabled()`

    - #### isPopupDropShadowActive

          public static boolean isPopupDropShadowActive()

      Checks and answers whether popup drop shadows are active. This feature shall be inactive with toolkits that use native drop shadows, such as Aqua on the Mac OS X. It is also inactive if the ShadowPopup cannot snapshot the desktop background (due to security and AWT exceptions). Otherwise the feature's enablement state is returned.

      Currently only the Mac OS X is detected as platform where the toolkit uses native drop shadows.

      Returns:
        true if drop shadows are active, false if inactive
      See Also:
        `isPopupDropShadowEnabled()`, `setPopupDropShadowEnabled(boolean)`

    - #### isPopupDropShadowEnabled

          public static boolean isPopupDropShadowEnabled()

      Checks and answers whether the optional drop shadows for PopupMenus are enabled or disabled.
      Returns:
        true if drop shadows are enabled, false if disabled
      See Also:
        `isPopupDropShadowActive()`, `setPopupDropShadowEnabled(boolean)`, `POPUP_DROP_SHADOW_ENABLED_KEY`

    - #### setPopupDropShadowEnabled

          public static void setPopupDropShadowEnabled(boolean b)

      Enables or disables drop shadows in PopupMenus. Note that drop shadows are always inactive on platforms that provide native drop shadows such as the Mac OS X.

      It is recommended to enable this feature only on platforms that accelerate translucency and snapshots with the hardware.

      Parameters:
        `b` - true to enable drop shadows, false to disable them
      See Also:
        `isPopupDropShadowActive()`, `isPopupDropShadowEnabled()`

    - #### isHiResGrayFilterEnabled

          public static boolean isHiResGrayFilterEnabled()

      Checks and answers whether the new high-resolution gray filter is enabled or disabled. It is enabled by default.
      Returns:
        true if the high-resolution gray filter is enabled, false if disabled
      Since:
        2.1
      See Also:
        `setHiResGrayFilterEnabled(boolean)`, `HI_RES_GRAY_FILTER_ENABLED_KEY`, `HI_RES_DISABLED_ICON_CLIENT_KEY`

    - #### setHiResGrayFilterEnabled

          public static void setHiResGrayFilterEnabled(boolean b)

      Enables or disables the new high-resolution gray filter globally. This gray filter can be disabled for individual components using the client property key `HI_RES_DISABLED_ICON_CLIENT_KEY`.
      Parameters:
        `b` - true to enable the high-resolution gray filter, false to disable them
      Since:
        2.1
      See Also:
        `isHiResGrayFilterEnabled()`

    - #### isSelectOnFocusGainEnabled

          public static boolean isSelectOnFocusGainEnabled()

      Checks and answers whether the global default for text fields is to select all text on focus gain. The global default can be overridden per component. This feature is turned on by default.

      For all full description and background see `setSelectOnFocusGainEnabled(boolean)`.

      Returns:
        true if the select all feature is enabled globally, false if disabled
      Since:
        2.2
      See Also:
        `SELECT_ON_FOCUS_GAIN_KEY`, `SELECT_ON_FOCUS_GAIN_CLIENT_KEY`

    - #### setSelectOnFocusGainEnabled

          public static void setSelectOnFocusGainEnabled(boolean b)

      Enables or disables the select on focus gain feature globally. This feature can be disabled for individual components using the client property key `SELECT_ALL_ON_FOCUS_GAIN_CLIENT_KEY`. It is enabled by default.

      Background: If users are more likely going to reenter the entire value in a text field, all text shall be selected on focus gain. If users are more likely to edit a text, the caret shall be placed at the end of the text.

      Parameters:
        `b` - true to enable the select all on focus gain, false to disable this feature globally
      Since:
        2.2
      See Also:
        `isSelectOnFocusGainEnabled()`

    - #### isSelectOnFocusGainActive

          public static boolean isSelectOnFocusGainActive(JTextComponent c)

      Checks and answers whether the select all on focus gain feature is active for the given field. Involves both the indiviual setting and the global default.
      Parameters:
        `c` - the component to check
      Returns:
        true if the feature is enabled for `c` or globally, false if the feature is disabled for `c` or globally disabled.
      Since:
        2.2

    - #### getSelectOnFocusGainEnabled

          public static Boolean getSelectOnFocusGainEnabled(JTextComponent c)

      Returns component's individual setting for the select on focus gain feature.
      Parameters:
        `c` - the component to check
      Returns:
        Boolean.TRUE if enabled, Boolean.FALSE if disabled, null if the global default is used
      Since:
        2.2
      See Also:
        `isSelectOnFocusGainActive(JTextComponent)`

    - #### setSelectOnFocusGainEnabled

          public static void setSelectOnFocusGainEnabled(JTextField field,
                                         Boolean b)

      Overrides the global default for the select all feature for the given text field.
      Parameters:
        `field` - the field to set this feature
        `b` - Boolean.TRUE to enable, Boolean.FALSE to disable, null to use the global default
      Since:
        2.2

    - #### putLookAndFeelReplacement

          public static void putLookAndFeelReplacement(String original,
                                       String replacement)

      Puts a replacement name for a given `LookAndFeel` class name in the list of all look and feel replacements.
      Parameters:
        `original` - the name of the look-and-feel to replace
        `replacement` - the name of the replacement look-and-feel
      See Also:
        `removeLookAndFeelReplacement(String)`, `getReplacementClassNameFor(String)`

    - #### removeLookAndFeelReplacement

          public static void removeLookAndFeelReplacement(String original)

      Removes a replacement name for a given `LookAndFeel` class name from the list of all look and feel replacements.
      Parameters:
        `original` - the name of the look-and-feel that has been replaced
      See Also:
        `putLookAndFeelReplacement(String, String)`, `getReplacementClassNameFor(String)`

    - #### getReplacementClassNameFor

          public static String getReplacementClassNameFor(String className)

      Returns the class name that can be used to replace the specified `LookAndFeel` class name.
      Parameters:
        `className` - the name of the look-and-feel class
      Returns:
        the name of the suggested replacement class
      See Also:
        `putLookAndFeelReplacement(String, String)`, `removeLookAndFeelReplacement(String)`

    - #### getCrossPlatformLookAndFeelClassName

          public static String getCrossPlatformLookAndFeelClassName()

      Returns the class name for a cross-platform `LookAndFeel`.
      Returns:
        the name of a cross platform look-and-feel class
      See Also:
        `getSystemLookAndFeelClassName()`

    - #### getSystemLookAndFeelClassName

          public static String getSystemLookAndFeelClassName()

      Returns the class name for a system specific `LookAndFeel`.
      Returns:
        the name of the system look-and-feel class
      See Also:
        `getCrossPlatformLookAndFeelClassName()`

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