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java.awt
Class SystemColor  view SystemColor download SystemColor.java

java.lang.Object
  extended byjava.awt.Color
      extended byjava.awt.SystemColor
All Implemented Interfaces:
Paint, java.io.Serializable, Transparency
public final class SystemColor
extends Color
implements java.io.Serializable

This class contains the various "system colors" in use by the native windowing system. The getRGB() method is dynamic on systems which support dynamic system color changes, and most methods in the superclass are written to use this dynamic value when reporting colors. However, the equals() method is not dynamic, and does not track the actual color of instances in this class. This means that equals may give surprising results; you are better off relying on getRGB.

Since:
1.1

Field Summary
static int ACTIVE_CAPTION
          Array index of the active caption color.
static int ACTIVE_CAPTION_BORDER
          Array index of the active caption border color.
static int ACTIVE_CAPTION_TEXT
          Array index of the active caption text color.
static SystemColor activeCaption
          The active caption background color.
static SystemColor activeCaptionBorder
          The active caption border color.
static SystemColor activeCaptionText
          The active caption text color.
private static int[] colors
          The internal array used to dynamically update getRGB().
static SystemColor control
          The control background color.
static int CONTROL
          Array index of the control background color.
static int CONTROL_DK_SHADOW
          Array index of the darkly shadowed control background color.
static int CONTROL_HIGHLIGHT
          Array index of the highlighted control background color.
static int CONTROL_LT_HIGHLIGHT
          Array index of the lightly highlighted control background color.
static int CONTROL_SHADOW
          Array index of the shadowed control background color.
static int CONTROL_TEXT
          Array index of the control text color.
static SystemColor controlDkShadow
          The control dark shadow color.
static SystemColor controlHighlight
          The control highlight color.
static SystemColor controlLtHighlight
          The control light highlight color.
static SystemColor controlShadow
          The control shadow color.
static SystemColor controlText
          The control text color.
static SystemColor desktop
          The desktop color.
static int DESKTOP
          Array index of the desktop color.
static int INACTIVE_CAPTION
          Array index of the inactive caption color.
static int INACTIVE_CAPTION_BORDER
          Array index of the inactive caption border color.
static int INACTIVE_CAPTION_TEXT
          Array index of the inactive caption text color.
static SystemColor inactiveCaption
          The inactive caption background color.
static SystemColor inactiveCaptionBorder
          The inactive caption border color.
static SystemColor inactiveCaptionText
          The inactive caption text color.
static SystemColor info
          The info text background color.
static int INFO
          Array index of the info background color.
static int INFO_TEXT
          Array index of the info text color.
static SystemColor infoText
          The info text foreground color.
static SystemColor menu
          The menu background color.
static int MENU
          Array index of the menu background color.
static int MENU_TEXT
          Array index of the menu text color.
static SystemColor menuText
          The menu text color.
static int NUM_COLORS
          The number of system colors.
static SystemColor scrollbar
          The scrollbar color.
static int SCROLLBAR
          Array index of the scrollbar background color.
private static long serialVersionUID
          Compatible with JDK 1.1+.
static SystemColor text
          The text background color.
static int TEXT
          Array index of the text background color.
static int TEXT_HIGHLIGHT
          Array index of the highlighted text background color.
static int TEXT_HIGHLIGHT_TEXT
          Array index of the highlighted text foreground color.
static int TEXT_INACTIVE_TEXT
          Array index of the inactive text foreground color.
static int TEXT_TEXT
          Array index of the text foreground color.
static SystemColor textHighlight
          The highlighted text background color.
static SystemColor textHighlightText
          The highlighted text foreground color.
static SystemColor textInactiveText
          The inactive text color.
static SystemColor textText
          The text foreground color.
static SystemColor window
          The window background color.
static int WINDOW
          Array index of the window background color.
static int WINDOW_BORDER
          Array index of the window border color.
static int WINDOW_TEXT
          Array index of the window text color.
static SystemColor windowBorder
          The window border color.
static SystemColor windowText
          The window text color.
 
Fields inherited from class java.awt.Color
ALPHA_MASK, black, BLACK, blue, BLUE, context, cyan, CYAN, DARK_GRAY, darkGray, gray, GRAY, green, GREEN, LIGHT_GRAY, lightGray, magenta, MAGENTA, orange, ORANGE, pink, PINK, red, RED, value, white, WHITE, yellow, YELLOW
 
Fields inherited from interface java.awt.Transparency
BITMASK, OPAQUE, TRANSLUCENT
 
Constructor Summary
private SystemColor(int id)
          Construct a system color which is dynamically updated.
 
Method Summary
 PaintContext createContext(java.awt.image.ColorModel cm, Rectangle deviceBounds, java.awt.geom.Rectangle2D userBounds, java.awt.geom.AffineTransform xform, RenderingHints hints)
          Returns a paint context, used for filling areas of a raster scan with the current value of this system color.
 int getRGB()
          Returns the RGB value for this color, in the sRGB color space.
 java.lang.String toString()
          Returns a string describing this color.
 
Methods inherited from class java.awt.Color
brighter, darker, decode, equals, getAlpha, getBlue, getColor, getColor, getColor, getColorComponents, getColorComponents, getColorSpace, getComponents, getComponents, getGreen, getHSBColor, getRed, getRGBColorComponents, getRGBComponents, getTransparency, hashCode, HSBtoRGB, RGBtoHSB
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Field Detail

serialVersionUID

private static final long serialVersionUID
Compatible with JDK 1.1+.

See Also:
Constant Field Values

DESKTOP

public static final int DESKTOP
Array index of the desktop color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
desktop 55 , Constant Field Values

ACTIVE_CAPTION

public static final int ACTIVE_CAPTION
Array index of the active caption color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
activeCaption 55 , Constant Field Values

ACTIVE_CAPTION_TEXT

public static final int ACTIVE_CAPTION_TEXT
Array index of the active caption text color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
activeCaptionText 55 , Constant Field Values

ACTIVE_CAPTION_BORDER

public static final int ACTIVE_CAPTION_BORDER
Array index of the active caption border color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
activeCaptionBorder 55 , Constant Field Values

INACTIVE_CAPTION

public static final int INACTIVE_CAPTION
Array index of the inactive caption color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
inactiveCaption 55 , Constant Field Values

INACTIVE_CAPTION_TEXT

public static final int INACTIVE_CAPTION_TEXT
Array index of the inactive caption text color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
inactiveCaptionText 55 , Constant Field Values

INACTIVE_CAPTION_BORDER

public static final int INACTIVE_CAPTION_BORDER
Array index of the inactive caption border color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
inactiveCaptionBorder 55 , Constant Field Values

WINDOW

public static final int WINDOW
Array index of the window background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
window 55 , Constant Field Values

WINDOW_BORDER

public static final int WINDOW_BORDER
Array index of the window border color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
windowBorder 55 , Constant Field Values

WINDOW_TEXT

public static final int WINDOW_TEXT
Array index of the window text color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
windowText 55 , Constant Field Values

MENU

public static final int MENU
Array index of the menu background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
menu 55 , Constant Field Values

MENU_TEXT

public static final int MENU_TEXT
Array index of the menu text color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
menuText 55 , Constant Field Values

TEXT

public static final int TEXT
Array index of the text background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
text 55 , Constant Field Values

TEXT_TEXT

public static final int TEXT_TEXT
Array index of the text foreground color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
textText 55 , Constant Field Values

TEXT_HIGHLIGHT

public static final int TEXT_HIGHLIGHT
Array index of the highlighted text background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
textHighlight 55 , Constant Field Values

TEXT_HIGHLIGHT_TEXT

public static final int TEXT_HIGHLIGHT_TEXT
Array index of the highlighted text foreground color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
textHighlightText 55 , Constant Field Values

TEXT_INACTIVE_TEXT

public static final int TEXT_INACTIVE_TEXT
Array index of the inactive text foreground color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
textInactiveText 55 , Constant Field Values

CONTROL

public static final int CONTROL
Array index of the control background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
control 55 , Constant Field Values

CONTROL_TEXT

public static final int CONTROL_TEXT
Array index of the control text color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
controlText 55 , Constant Field Values

CONTROL_HIGHLIGHT

public static final int CONTROL_HIGHLIGHT
Array index of the highlighted control background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
controlHighlight 55 , Constant Field Values

CONTROL_LT_HIGHLIGHT

public static final int CONTROL_LT_HIGHLIGHT
Array index of the lightly highlighted control background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
controlLtHighlight 55 , Constant Field Values

CONTROL_SHADOW

public static final int CONTROL_SHADOW
Array index of the shadowed control background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
controlShadow 55 , Constant Field Values

CONTROL_DK_SHADOW

public static final int CONTROL_DK_SHADOW
Array index of the darkly shadowed control background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
controlDkShadow 55 , Constant Field Values

SCROLLBAR

public static final int SCROLLBAR
Array index of the scrollbar background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
scrollbar 55 , Constant Field Values

INFO

public static final int INFO
Array index of the info background color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
info 55 , Constant Field Values

INFO_TEXT

public static final int INFO_TEXT
Array index of the info text color. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
infoText 55 , Constant Field Values

NUM_COLORS

public static final int NUM_COLORS
The number of system colors. Used by Toolkit.loadSystemColors(int[]) 55 .

See Also:
Constant Field Values

colors

private static final int[] colors
The internal array used to dynamically update getRGB().

desktop

public static final SystemColor desktop
The desktop color.

activeCaption

public static final SystemColor activeCaption
The active caption background color.

activeCaptionText

public static final SystemColor activeCaptionText
The active caption text color.

activeCaptionBorder

public static final SystemColor activeCaptionBorder
The active caption border color.

inactiveCaption

public static final SystemColor inactiveCaption
The inactive caption background color.

inactiveCaptionText

public static final SystemColor inactiveCaptionText
The inactive caption text color.

inactiveCaptionBorder

public static final SystemColor inactiveCaptionBorder
The inactive caption border color.

window

public static final SystemColor window
The window background color.

windowBorder

public static final SystemColor windowBorder
The window border color.

windowText

public static final SystemColor windowText
The window text color.

menu

public static final SystemColor menu
The menu background color.

menuText

public static final SystemColor menuText
The menu text color.

text

public static final SystemColor text
The text background color.

textText

public static final SystemColor textText
The text foreground color.

textHighlight

public static final SystemColor textHighlight
The highlighted text background color.

textHighlightText

public static final SystemColor textHighlightText
The highlighted text foreground color.

textInactiveText

public static final SystemColor textInactiveText
The inactive text color.

control

public static final SystemColor control
The control background color.

controlText

public static final SystemColor controlText
The control text color.

controlHighlight

public static final SystemColor controlHighlight
The control highlight color.

controlLtHighlight

public static final SystemColor controlLtHighlight
The control light highlight color.

controlShadow

public static final SystemColor controlShadow
The control shadow color.

controlDkShadow

public static final SystemColor controlDkShadow
The control dark shadow color.

scrollbar

public static final SystemColor scrollbar
The scrollbar color.

info

public static final SystemColor info
The info text background color.

infoText

public static final SystemColor infoText
The info text foreground color.

Constructor Detail

SystemColor

private SystemColor(int id)
Construct a system color which is dynamically updated.

Method Detail

getRGB

public int getRGB()
Returns the RGB value for this color, in the sRGB color space. The blue value will be in bits 0-7, green in 8-15, red in 6-23, and the alpha value (bits 24-31) is 0xff. This is dynamically updated, so it may not match the results of getRed(), getGreen(), or getBlue().

Overrides:
getRGB in class Color

createContext

public PaintContext createContext(java.awt.image.ColorModel cm,
                                  Rectangle deviceBounds,
                                  java.awt.geom.Rectangle2D userBounds,
                                  java.awt.geom.AffineTransform xform,
                                  RenderingHints hints)
Returns a paint context, used for filling areas of a raster scan with the current value of this system color. Since the system colors may be dynamically updated, the returned value may not always be the same; but as the system color is solid, the context does not need any of the passed parameters to do its job.

Specified by:
createContext in interface Paint
Overrides:
createContext in class Color

toString

public java.lang.String toString()
Returns a string describing this color. This is in the format "java.awt.SystemColor[i=" + index + ']', where index is one of the integer constants of this class. Unfortunately, this description does not describe the current value of the color; for that you should use new Color(syscolor.getRGB()).toString().

Overrides:
toString in class Color
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