GTKEngine.
*
* @version 1.116, 06/24/04
* @author Scott Violet
*/
public class GTKStyle extends DefaultSynthStyle implements GTKConstants {
private static final String ICON_PROPERTY_PREFIX = "gtk.icon.";
static final Color BLACK_COLOR = new ColorUIResource(Color.BLACK);
static final Color WHITE_COLOR = new ColorUIResource(Color.WHITE);
private static final Color[][] DEFAULT_COLORS;
/**
* State the color array at an particular index in DEFAULT_COLORS
* represents.
*/
private static final int[] DEFAULT_COLOR_MAP;
// NOTE: This will only be used if you weren't using GTKLookAndFeel
// to create a GTKStyle, otherwise the default comes from GTKLookAndFeel.
private static final Font DEFAULT_FONT = new FontUIResource(
"sansserif", Font.PLAIN, 10);
/**
* Backing style properties that are used if the style does not
* defined the property.
*/
// PENDING: This needs to be massaged so that it does not need to
// be AppContext specific. In particular some of the Map values are
// exposed and mutable and could effect other applets.
private static final HashMap DATA = new HashMap();
/**
* Maps from a key that is passed to Style.get to the equivalent class
* specific key.
*/
private static final HashMap CLASS_SPECIFIC_MAP;
private static final GTKGraphicsUtils GTK_GRAPHICS =new GTKGraphicsUtils();
/**
* Indicates the thickness has not been set.
*/
static final int UNDEFINED_THICKNESS = -1;
// NOTE: If you add a new field to this class you will need to update
// addto, and possibly the clone and GTKStyle(GTKStyle) constructors.
private int xThickness = 2;
private int yThickness = 2;
/**
* Represents the values that are specific to a particular class.
* This is a CircularIdentityList of CircularIdentityLists, where the
* first level entries are gtk class names, and the second
* CircularIdentityLists contains the actual key/value pairs.
*/
private CircularIdentityList classSpecificValues;
/**
* Icons.
*/
private GTKStockIconInfo[] icons;
/**
* Calculates the LIGHT color from the background color.
*/
static Color calculateLightColor(Color bg) {
return GTKColorType.adjustColor(bg, 1.0f, 1.3f, 1.3f);
}
/**
* Calculates the DARK color from the background color.
*/
static Color calculateDarkColor(Color bg) {
return GTKColorType.adjustColor(bg, 1.0f, .7f, .7f);
}
/**
* Calculates the MID color from the light and dark colors.
*/
static Color calculateMidColor(Color lightColor, Color darkColor) {
int light = lightColor.getRGB();
int dark = darkColor.getRGB();
int rLight = (light & 0xFF0000) >> 16;
int rDark = (dark & 0xFF0000) >> 16;
int gLight = (light & 0x00FF00) >> 8;
int gDark = (dark & 0x00FF00) >> 8;
int bLight = (light & 0xFF);
int bDark = (dark & 0xFF);
return new ColorUIResource((((rLight + rDark) / 2) << 16) |
(((gLight + gDark) / 2) << 8) |
((bLight + bDark) / 2));
}
/**
* Calculates the MID color from the background color.
*/
static Color calculateMidColor(Color bg) {
return calculateMidColor(calculateLightColor(bg),
calculateDarkColor(bg));
}
/**
* Creates an array of colors populated based on the passed in
* the background color. Specifically this sets the
* BACKGROUND, LIGHT, DARK, MID, BLACK, WHITE and FOCUS colors
* from that of color, which is assumed to be the background.
*/
static Color[] getColorsFrom(Color bg, Color fg) {
Color lightColor = calculateLightColor(bg);
Color darkColor = calculateDarkColor(bg);
Color midColor = calculateMidColor(lightColor, darkColor);
Color[] colors = new Color[GTKColorType.MAX_COUNT];
colors[GTKColorType.BACKGROUND.getID()] = bg;
colors[GTKColorType.LIGHT.getID()] = lightColor;
colors[GTKColorType.DARK.getID()] = darkColor;
colors[GTKColorType.MID.getID()] = midColor;
colors[GTKColorType.BLACK.getID()] = BLACK_COLOR;
colors[GTKColorType.WHITE.getID()] = WHITE_COLOR;
colors[GTKColorType.FOCUS.getID()] = BLACK_COLOR;
colors[GTKColorType.FOREGROUND.getID()] = fg;
colors[GTKColorType.TEXT_FOREGROUND.getID()] = fg;
colors[GTKColorType.TEXT_BACKGROUND.getID()] = WHITE_COLOR;
return colors;
}
/**
* Creates a new GTKStyle that is a copy of the passed in style.
*/
public GTKStyle(DefaultSynthStyle style) {
super(style);
if (style instanceof GTKStyle) {
GTKStyle gStyle = (GTKStyle)style;
xThickness = gStyle.xThickness;
yThickness = gStyle.yThickness;
icons = gStyle.icons;
classSpecificValues = cloneClassSpecificValues(
gStyle.classSpecificValues);
}
}
/**
* Creates an empty GTKStyle.
*/
public GTKStyle() {
super(new Insets(-1, -1, -1, -1), true, null, null);
}
/**
* Creates a GTKStyle with the specified font.
*
* @param font Font to use in GTK.
*/
public GTKStyle(Font font) {
this();
setFont(font);
}
/**
* Creates a GTKStyle with the specified parameters.
*
* @param states StateInfo specifying the colors and fonts to use for
* a particular state.
* @param classSpecificValues Values that are specific to a particular
* class
* @param font to use.
* @param xThickness X thickness
* @param yThickness Y thickness
* @param GTKStockIconInfo stock icons for this style.
*/
GTKStyle(StateInfo[] states,
CircularIdentityList classSpecificValues,
Font font,
int xThickness, int yThickness,
GTKStockIconInfo[] icons) {
super(new Insets(-1, -1, -1, -1), true, states, null);
setFont(font);
this.xThickness = xThickness;
this.yThickness = yThickness;
this.icons = icons;
this.classSpecificValues = classSpecificValues;
}
/**
* {@inheritDoc}
*/
public void installDefaults(SynthContext context) {
super.installDefaults(context);
if (!context.getRegion().isSubregion()) {
context.getComponent().putClientProperty(
SwingUtilities2.AA_TEXT_PROPERTY_KEY,
GTKLookAndFeel.aaText);
}
}
public SynthGraphicsUtils getGraphicsUtils(SynthContext context) {
return GTK_GRAPHICS;
}
/**
* Returns the object used to renderer the look.
*
* @param context SynthContext indentifying requestor
* @return GTKEngine used to provide the look
*/
public GTKEngine getEngine(SynthContext context) {
GTKEngine engine = (GTKEngine)get(context, "engine");
if (engine == null) {
return GTKEngine.INSTANCE;
}
return engine;
}
/**
* Returns a SynthPainter that will route the appropriate
* calls to a GTKEngine.
*
* @param state SynthContext indentifying requestor
* @return SynthPainter
*/
public SynthPainter getPainter(SynthContext state) {
return GTKPainter.INSTANCE;
}
/**
* Returns the Insets. If to is non-null the resulting
* insets will be placed in it, otherwise a new Insets object will be
* created and returned.
*
* @param context SynthContext indentifying requestor
* @param to Where to place Insets
* @return Insets.
*/
public Insets getInsets(SynthContext state, Insets insets) {
insets = super.getInsets(state, insets);
if (insets.top == -1) {
insets.left = insets.right = insets.top = insets.bottom = 0;
insets = GTKPainter.INSTANCE.getInsets(state, insets);
}
return insets;
}
/**
* Returns the value for a class specific property. A class specific value
* is a value that will be picked up based on class hierarchy.
* For example, a value specified for JComponent would be inherited on
* JButtons and JTrees, but not Button.
* * Note, the key used here should only contain the letters A-Z, a-z, the * digits 0-9, and the '-' character. If you need to request a value for * a key having characters outside this list, replace any other characters * with '-'. (ie. "default_border" should be "default-border"). * * @param region Region requesting class specific value * @param key Key identifying class specific value * @return Value, or null if one has not been defined. */ public Object getClassSpecificValue(Region region, String key) { if (classSpecificValues != null) { String gtkClass = GTKStyleFactory.gtkClassFor(region); while (gtkClass != null) { CircularIdentityList classValues = (CircularIdentityList) classSpecificValues.get(gtkClass); if (classValues != null) { Object value = classValues.get(key); if (value != null) { return value; } } gtkClass = GTKStyleFactory.gtkSuperclass(gtkClass); } } return null; } /** * Returns the value for a class specific property. A class specific value * is a value that will be picked up based on class hierarchy. * For example, a value specified for JComponent would be inherited on * JButtons and JTrees, but not Button. *
* Note, the key used here should only contain the letters A-Z, a-z, the
* digits 0-9, and the '-' character. If you need to request a value for
* a key having characters outside this list, replace any other characters
* with '-'. (ie. "default_border" should be "default-border").
*
* @param context SynthContext indentifying requestor
* @param key Key identifying class specific value
* @return Value, or null if one has not been defined.
*/
public Object getClassSpecificValue(SynthContext context, String key) {
return getClassSpecificValue(context.getRegion(), key);
}
/**
* Convenience method to get a class specific integer value.
*
* @param context SynthContext indentifying requestor
* @param key Key identifying class specific value
* @param defaultValue Returned if there is no value for the specified
* type
* @return Value, or defaultValue if key is not defined
*/
public int getClassSpecificIntValue(SynthContext context, String key,
int defaultValue) {
Object value = getClassSpecificValue(context, key);
if (value instanceof Number) {
return ((Number)value).intValue();
}
return defaultValue;
}
/**
* Convenience method to get a class specific Insets value.
*
* @param context SynthContext indentifying requestor
* @param key Key identifying class specific value
* @param defaultValue Returned if there is no value for the specified
* type
* @return Value, or defaultValue if key is not defined
*/
public Insets getClassSpecificInsetsValue(SynthContext context, String key,
Insets defaultValue) {
Object value = getClassSpecificValue(context, key);
if (value instanceof Insets) {
return (Insets)value;
}
return defaultValue;
}
/**
* Convenience method to get a class specific Boolean value.
*
* @param context SynthContext indentifying requestor
* @param key Key identifying class specific value
* @param defaultValue Returned if there is no value for the specified
* type
* @return Value, or defaultValue if key is not defined
*/
public boolean getClassSpecificBoolValue(SynthContext context, String key,
boolean defaultValue) {
Object value = getClassSpecificValue(context, key);
if (value instanceof Boolean) {
return ((Boolean)value).booleanValue();
}
return defaultValue;
}
public Object getDefaultValue(SynthContext context, Object key) {
// See if this is a class specific value.
Object classKey = CLASS_SPECIFIC_MAP.get(key);
Object value = null;
if (classKey != null) {
value = getClassSpecificValue(context, (String)classKey);
if (value != null) {
return value;
}
}
if (key == "ScrollPane.viewportBorderInsets") {
return GTKPainter.INSTANCE.getScrollPaneInsets(context,
new Insets(0,0,0,0));
} else if (key == "Slider.tickColor") {
return getColor(context.getComponent(), context.getRegion(),
context.getComponentState(), ColorType.FOREGROUND);
}
synchronized (DATA) {
value = DATA.get(key);
}
if (value instanceof StyleSpecificValue) {
put(key, ((StyleSpecificValue)value).getValue(context));
}
if (value == null && key != "engine") {
// For backward compatability we'll fallback to the UIManager.
// We don't go to the UIManager for engine as the engine is GTK
// specific.
value = UIManager.get(key);
if (key == "Table.rowHeight") {
int focusLineWidth = getClassSpecificIntValue(
context, "focus-line-width", 0);
if (value == null && focusLineWidth > 0) {
value = new Integer(16 + 2 * focusLineWidth);
}
}
}
// Don't call super, we don't want to pick up defaults from
// SynthStyle.
return value;
}
/**
* Returns the font for the specified state. This should NOT callback
* to the JComponent.
*
* @param c JComponent the style is associated with
* @param id Region identifier
* @param state State of the region.
* @return Font to render with
*/
protected Font getFontForState(JComponent c, Region id, int state) {
state = GTKLookAndFeel.synthStateToGTKState(id, state);
Font f = super.getFontForState(c, id, state);
if (f == null) {
return DEFAULT_FONT;
}
return f;
}
Color getGTKColor(int state, ColorType type) {
return getGTKColor(null, null, state, type);
}
/**
* This method is to be used from within GTK when do NOT want
* the component state to be mapped. It will NOT remap the state as
* the other various getters do.
*
* @param c JComponent the style is associated with
* @param id Region identifier
* @param state State of the region.
* @param type Type of color being requested.
* @return Color to render with
*/
public Color getGTKColor(JComponent c, Region id,
int state, ColorType type) {
// NOTE: c and id are only ever null when this is called from
// GTKLookAndFeel.loadSystemColorDefaults.
if (c != null && id != null) {
if (!id.isSubregion() &&
(state & SynthConstants.ENABLED) == SynthConstants.ENABLED) {
if (type == ColorType.BACKGROUND) {
Color bg = c.getBackground();
if (!(bg instanceof UIResource)) {
return bg;
}
}
else if (type == ColorType.FOREGROUND) {
Color fg = c.getForeground();
if (!(fg instanceof UIResource)) {
return fg;
}
}
else if (type == ColorType.TEXT_FOREGROUND) {
Color fg = c.getForeground();
if (!(fg instanceof UIResource)) {
return fg;
}
}
else if (type == ColorType.TEXT_BACKGROUND) {
Color bg = c.getBackground();
if (!(bg instanceof UIResource)) {
return bg;
}
}
}
}
Color color = super.getColorForState(c, id, state, type);
if (color != null) {
return color;
}
return getDefaultColor(c, id, state, type);
}
/**
* getColor is overriden to map the state from a Synth state to the
* GTK state, this should be not used when you have already mapped the
* state. Additionally this will map TEXT_FOREGROUND to the
* c.getForeground() if it is non-null and not a UIResource.
*
* @param c JComponent the style is associated with
* @param id Region identifier
* @param state State of the region.
* @param type Type of color being requested.
* @return Color to render with
*/
public Color getColor(JComponent c, Region id, int state,
ColorType type) {
if (id == Region.LABEL && type == ColorType.TEXT_FOREGROUND) {
type = ColorType.FOREGROUND;
}
state = GTKLookAndFeel.synthStateToGTKState(id, state);
if (!id.isSubregion() &&
(state & SynthConstants.ENABLED) == SynthConstants.ENABLED) {
if (type == ColorType.BACKGROUND) {
return c.getBackground();
}
else if (type == ColorType.FOREGROUND) {
return c.getForeground();
}
else if (type == ColorType.TEXT_FOREGROUND) {
Color fg = c.getForeground();
if (fg != null && !(fg instanceof UIResource)) {
// Only use the fg for text if specified.
return fg;
}
}
}
return getColorForState(c, id, state, type);
}
/**
* Returns the color for the specified state. This redirects to the
* JComponent c as necessary. If this does not redirect
* to the JComponent getColorForState is invoked.
*
* @param c JComponent the style is associated with
* @param id Region identifier
* @param state State of the region.
* @param type Type of color being requested.
* @return Color to render with
*/
protected Color getColorForState(JComponent c, Region id, int state,
ColorType type) {
Color color = super.getColorForState(c, id, state, type);
if (color != null) {
return color;
}
if (type == ColorType.FOCUS) {
return BLACK_COLOR;
}
else if (type == GTKColorType.BLACK) {
return BLACK_COLOR;
}
else if (type == GTKColorType.WHITE) {
return WHITE_COLOR;
}
if (type == ColorType.TEXT_FOREGROUND && (GTKStyleFactory.
isLabelBearing(id) || id == Region.MENU_ITEM_ACCELERATOR ||
id == Region.TABBED_PANE_TAB)) {
type = ColorType.FOREGROUND;
}
else if (id == Region.TABLE || id == Region.LIST ||
id == Region.TREE || id == Region.TREE_CELL){
if (type == ColorType.FOREGROUND) {
type = ColorType.TEXT_FOREGROUND;
if (state == SynthConstants.PRESSED) {
state = SynthConstants.SELECTED;
}
}
else if (type == ColorType.BACKGROUND) {
type = ColorType.TEXT_BACKGROUND;
if (state == SynthConstants.PRESSED) {
state = SynthConstants.SELECTED;
}
}
}
return getDefaultColor(c, id, state, type);
}
/**
* Returns the Color to use if the GTKStyle does not specify a color.
*
* @param c JComponent the style is associated with
* @param id Region identifier
* @param state State of the region.
* @param type Type of color being requested.
* @return Color to render with
*/
Color getDefaultColor(JComponent c, Region id, int state,
ColorType type) {
if (type == ColorType.FOCUS) {
return BLACK_COLOR;
}
else if (type == GTKColorType.BLACK) {
return BLACK_COLOR;
}
else if (type == GTKColorType.WHITE) {
return WHITE_COLOR;
}
for (int counter = DEFAULT_COLOR_MAP.length - 1;
counter >= 0; counter--) {
if ((DEFAULT_COLOR_MAP[counter] & state) != 0) {
if (type.getID() < DEFAULT_COLORS[counter].length) {
return DEFAULT_COLORS[counter][type.getID()];
}
}
}
if (type.getID() < DEFAULT_COLORS[2].length) {
return DEFAULT_COLORS[2][type.getID()];
}
return null;
}
/**
* Returns the value to initialize the opacity property of the Component
* to. A Style should NOT assume the opacity will remain this value, the
* developer may reset it or override it.
*
* @param context SynthContext indentifying requestor
* @return opaque Whether or not the JComponent is opaque.
*/
public boolean isOpaque(SynthContext context) {
Region region = context.getRegion();
if (region == Region.COMBO_BOX ||
region == Region.DESKTOP_PANE ||
region == Region.DESKTOP_ICON ||
region == Region.EDITOR_PANE ||
region == Region.FORMATTED_TEXT_FIELD ||
region == Region.INTERNAL_FRAME ||
region == Region.LIST ||
region == Region.MENU_BAR ||
region == Region.PASSWORD_FIELD ||
region == Region.POPUP_MENU ||
region == Region.PROGRESS_BAR ||
region == Region.ROOT_PANE ||
region == Region.SCROLL_PANE ||
region == Region.SPINNER ||
region == Region.TABLE ||
region == Region.TEXT_AREA ||
region == Region.TEXT_FIELD ||
region == Region.TEXT_PANE ||
region == Region.TOOL_BAR_DRAG_WINDOW ||
region == Region.TOOL_TIP ||
region == Region.TREE ||
region == Region.VIEWPORT) {
return true;
}
Component c = context.getComponent();
String name = c.getName();
if (name == "ComboBox.renderer" || name == "ComboBox.listRenderer") {
return true;
}
return false;
}
/**
* Returns the X thickness to use for this GTKStyle.
*
* @return x thickness.
*/
public int getXThickness() {
return xThickness;
}
/**
* Returns the Y thickness to use for this GTKStyle.
*
* @return x thickness.
*/
public int getYThickness() {
return yThickness;
}
private Icon getStockIcon(SynthContext context, String key, int type) {
Icon icon = null;
GTKStockIconInfo iconInfo = null;
GTKIconSource bestSource = null;
int direction = LTR;
if (context != null) {
ComponentOrientation co = context.getComponent().
getComponentOrientation();
if (co == null || co.isLeftToRight()) {
direction = LTR;
}
else {
direction = RTL;
}
}
// See if the style defines an icon
if (icons != null) {
for (int i = 0; i < icons.length; i++) {
// find the first one that matches our key
if (icons[i].getKey() == key) {
iconInfo = icons[i];
break;
}
}
if (iconInfo != null) {
// PENDING(shannonh) - pass in actual state
bestSource = iconInfo.getBestIconSource(direction,
SynthConstants.ENABLED,
type);
}
if (bestSource != null) {
icon = bestSource.toIcon();
}
}
if (icon == null) {
// Use a default icon
String propName = ICON_PROPERTY_PREFIX + key + '.' + type + '.' +
(direction == RTL ? "rtl" : "ltr");
Image img = (Image)Toolkit.getDefaultToolkit().
getDesktopProperty(propName);
if (img != null) {
icon = new ImageIcon(img);
return icon;
} else {
icon = (Icon)((UIDefaults.LazyValue)LookAndFeel.makeIcon(
GTKStyle.class, "resources/" + key + "-" + type +
".png")).createValue(null);
}
}
if (icon == null) {
return null;
}
BufferedImage image = null;
// If the stock icon we found had a wildcard size,
// we force the size to match that requested
if (bestSource == null || bestSource.getSize() == UNDEFINED) {
Dimension iconSize = GTKStockIconInfo.getIconSize(type);
if (iconSize != null && (icon.getIconWidth() != iconSize.width ||
icon.getIconHeight() != iconSize.height)) {
image = new BufferedImage(iconSize.width, iconSize.height,
BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = (Graphics2D)image.getGraphics();
// for nicer scaling
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
Image oldImage = getImageFromIcon(icon, false);
g2d.drawImage(oldImage, 0, 0, iconSize.width, iconSize.height, null);
g2d.dispose();
}
}
/* This is not done for now. We cache icons and use cached copies regardless
of the component state, so we don't want to cache desaturated icons
if (bestSource == null || bestSource.getState() == UNDEFINED) {
// We may need to change saturation for some states
int state = context.getComponentState();
if (state == SynthConstants.DISABLED ||
state == SynthConstants.MOUSE_OVER) {
if (image == null) {
image = (BufferedImage)getImageFromIcon(icon, true);
}
float rescaleFactor =
(state == SynthConstants.DISABLED ? 0.8f : 1.2f);
RescaleOp op = new RescaleOp(rescaleFactor, 0, null);
// RescaleOp allows for in-place filtering
op.filter(image, image);
}
}
*/
if (image != null) {
icon = new ImageIcon(image);
}
return icon;
}
private Image getImageFromIcon(Icon icon, boolean requireBufferedImage) {
Image img = null;
if (icon instanceof ImageIcon) {
img = ((ImageIcon)icon).getImage();
if (requireBufferedImage && !(img instanceof BufferedImage)) {
img = null;
}
}
if (img == null) {
img = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(),
BufferedImage.TYPE_INT_ARGB);
Graphics g = img.getGraphics();
icon.paintIcon(null, g, 0, 0);
g.dispose();
}
return img;
}
/**
* Adds the specific label based properties from style to
* this style.
*/
void addLabelProperties(GTKStyle style) {
StateInfo[] states = getStateInfo();
StateInfo[] oStates = style.getStateInfo();
// Take the font
setFont(style.getFontForState(null, null, 0));
// And TEXT_FOREGROUND
if (states == null) {
if (oStates == null) {
return;
}
states = new StateInfo[oStates.length];
for (int counter = 0; counter < oStates.length; counter++) {
Color color = oStates[counter].getColor(
GTKColorType.FOREGROUND);
states[counter] = createStateInfo(oStates[counter].
getComponentState(), GTKColorType.TEXT_FOREGROUND, color);
}
}
else {
// Reset the text foreground of all our states, this will ensure
// the correct color is picked up if style doesn't specify a
// text color.
for (int counter = states.length - 1; counter >= 0; counter--) {
((GTKStateInfo)states[counter]).setColor(
GTKColorType.TEXT_FOREGROUND, null);
}
if (oStates != null) {
for (int oCounter = oStates.length - 1; oCounter >= 0;
oCounter--) {
boolean matched = false;
StateInfo oState = oStates[oCounter];
int componentState = oState.getComponentState();
Color color = oState.getColor(GTKColorType.FOREGROUND);
for (int tCounter = states.length - 1; tCounter >= 0;
tCounter--) {
if (componentState == states[tCounter].
getComponentState()) {
((GTKStateInfo)states[tCounter]).setColor(
GTKColorType.TEXT_FOREGROUND, color);
matched = true;
break;
}
}
if (!matched) {
StateInfo[] newStates = new StateInfo[states.length+1];
System.arraycopy(states, 0, newStates, 0,
states.length);
newStates[states.length] = createStateInfo(
componentState, GTKColorType.TEXT_FOREGROUND,
color);
states = newStates;
}
}
}
}
}
/**
* Creates a StateInfo with the specified component state, ColorType
* and color. Subclasses that create a custom GTKStateInfo will need
* to subclass and override this.
*/
GTKStateInfo createStateInfo(int state, ColorType type, Color color) {
Color[] colors = new Color[GTKColorType.MAX_COUNT];
colors[type.getID()] = color;
return new GTKStateInfo(state, null, colors, null);
}
/**
* Adds a value specific to the style.
*/
void put(Object key, Object value) {
Map data = getData();
if (data== null) {
data = new HashMap();
setData(data);
}
data.put(key, value);
}
/**
* Returns true if the style should fill in the background of the
* specified context for the specified state.
*/
boolean fillBackground(SynthContext context, int state) {
GTKStateInfo info = (GTKStateInfo)getStateInfo(state);
if (info != null) {
Object backgroundImage = info.getBackgroundImage();
if (backgroundImage == "GTKStyle will take precedence over those of the
* passed in DefaultSynthStyle. For example, if this
* style specifics a non-null font, the returned style will have its
* font so to that regardless of the style's font.
*
* @param style Style to add our styles to
* @return Merged style.
*/
public DefaultSynthStyle addTo(DefaultSynthStyle style) {
if (!(style instanceof GTKStyle)) {
style = new GTKStyle(style);
}
GTKStyle gtkStyle = (GTKStyle)super.addTo(style);
if (xThickness != UNDEFINED_THICKNESS) {
gtkStyle.xThickness = xThickness;
}
if (yThickness != UNDEFINED_THICKNESS) {
gtkStyle.yThickness = yThickness;
}
if (gtkStyle.icons == null) {
gtkStyle.icons = icons;
}
else if (icons != null) {
GTKStockIconInfo[] mergedIcons =
new GTKStockIconInfo[gtkStyle.icons.length + icons.length];
System.arraycopy(icons, 0, mergedIcons, 0, icons.length);
System.arraycopy(gtkStyle.icons, 0, mergedIcons, icons.length, gtkStyle.icons.length);
gtkStyle.icons = mergedIcons;
}
if (gtkStyle.classSpecificValues == null) {
gtkStyle.classSpecificValues =
cloneClassSpecificValues(classSpecificValues);
} else {
addClassSpecificValues(classSpecificValues, gtkStyle.classSpecificValues);
}
return gtkStyle;
}
/**
* Adds the data from one set of class specific values into another.
*
* @param from the list to grab data from (may be null)
* @param to the list to add data to (may not be null)
*/
static void addClassSpecificValues(CircularIdentityList from,
CircularIdentityList to) {
if (to == null) {
throw new IllegalArgumentException("to may not be null");
}
if (from == null) {
return;
}
synchronized(from) {
Object firstKey = from.next();
if (firstKey != null) {
Object key = firstKey;
do {
CircularIdentityList cList = ((CircularIdentityList)
from.get());
CircularIdentityList oSublist = (CircularIdentityList)
to.get(key);
if (oSublist == null) {
to.set(key, cList.clone());
}
else {
Object cFirstKey = cList.next();
if (cFirstKey != null) {
Object cKey = cFirstKey;
do {
oSublist.set(cKey, cList.get());
cKey = cList.next();
} while (cKey != cFirstKey);
}
}
key = from.next();
} while (key != firstKey);
}
}
}
/**
* Clones the class specific values.
*/
static CircularIdentityList cloneClassSpecificValues(
CircularIdentityList list) {
if (list == null) {
return null;
}
CircularIdentityList clone;
synchronized(list) {
Object firstKey = list.next();
if (firstKey == null) {
// Empty list
return null;
}
clone = new CircularIdentityList();
Object key = firstKey;
do {
clone.set(key, ((CircularIdentityList)list.get()).clone());
key = list.next();
} while (key != firstKey);
}
return clone;
}
/**
* GTKStockIconInfo mirrors the information from a stock declaration
* in the rc file: stock icon id, and a set of icon source
* specifications.
*/
static class GTKStockIconInfo {
private String key;
private GTKIconSource[] sources;
private static MapStateInfo.
*
* @param info StateInfo to copy.
*/
public GTKStateInfo(StateInfo info) {
super(info);
if (info instanceof GTKStateInfo) {
backgroundImage = ((GTKStateInfo)info).backgroundImage;
}
}
void setColor(ColorType type, Color color) {
Color[] colors = getColors();
if (colors == null) {
if (color == null) {
return;
}
colors = new Color[GTKColorType.MAX_COUNT];
setColors(colors);
}
colors[type.getID()] = color;
}
/**
* Returns the Color to used for the specified ColorType.
*
* @return Color.
*/
public Color getColor(ColorType type) {
Color color = super.getColor(type);
if (color == null) {
Color[] colors = getColors();
Color bg;
if (colors != null && (bg = super.getColor(
GTKColorType.BACKGROUND)) != null) {
if (type == GTKColorType.LIGHT) {
color = colors[GTKColorType.LIGHT.getID()] =
calculateLightColor(bg);
}
else if (type == GTKColorType.MID) {
color = colors[GTKColorType.MID.getID()] =
calculateMidColor(bg);
}
else if (type == GTKColorType.DARK) {
color = colors[GTKColorType.DARK.getID()] =
calculateDarkColor(bg);
}
}
}
return color;
}
/**
* This returns the background image, and will be one of:
* the String "GTKStateInfo will take precedence over those
* of the
* passed in GTKStateInfo. For example, if this
* GTKStateInfo specifics a non-null font, the returned GTKStateInfo
* will have its font so to that regardless of the
* GTKStateInfo's font.
*
* @param info StateInfo to add our styles to
* @return Merged StateInfo.
*/
public StateInfo addTo(StateInfo info) {
if (!(info instanceof GTKStateInfo)) {
info = new GTKStateInfo(info);
}
else {
super.addTo(info);
}
GTKStateInfo gInfo = (GTKStateInfo)info;
if (backgroundImage != null) {
gInfo.backgroundImage = backgroundImage;
}
return gInfo;
}
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append(getStateName(getComponentState(), "UNDEFINED")).append(":\n");
if (getColor(GTKColorType.FOREGROUND) != null) {
buf.append(" fg=").append(getColor(GTKColorType.FOREGROUND)).append('\n');
}
if (getColor(GTKColorType.BACKGROUND) != null) {
buf.append(" bg=").append(getColor(GTKColorType.BACKGROUND)).append('\n');
}
if (getColor(GTKColorType.TEXT_FOREGROUND) != null) {
buf.append(" text=").append(getColor(GTKColorType.TEXT_FOREGROUND)).append('\n');
}
if (getColor(GTKColorType.TEXT_BACKGROUND) != null) {
buf.append(" base=").append(getColor(GTKColorType.TEXT_BACKGROUND)).append('\n');
}
if (backgroundImage != null) {
buf.append(" pmn=").append(backgroundImage).append('\n');
}
// remove last newline
buf.deleteCharAt(buf.length() - 1);
return buf.toString();
}
}
// used by toString() in some of our inner classes
static String getStateName(int state, String undef) {
switch(state) {
case SynthConstants.ENABLED: return "NORMAL";
case SynthConstants.PRESSED: return "ACTIVE";
case SynthConstants.SELECTED: return "SELECTED";
case SynthConstants.MOUSE_OVER: return "PRELIGHT";
case SynthConstants.DISABLED: return "INSENSITIVE";
case UNDEFINED: return undef;
}
return "UNKNOWN";
}
/**
* A tagging interface indicating that a value coming from
* DATA should be added to the Style's data after invoking getValue.
* This is useful for lazy type properties that need to key off information
* kept in the style.
*/
interface StyleSpecificValue {
public Object getValue(SynthContext context);
}
/**
* An Icon that is fetched using getStockIcon.
*/
private static class GTKStockIcon extends SynthIcon implements Cloneable,
StyleSpecificValue {
private String key;
private int size;
private boolean loadedLTR;
private boolean loadedRTL;
private Icon ltrIcon;
private Icon rtlIcon;
private SynthStyle style;
GTKStockIcon(String key, int size) {
this.key = key;
this.size = size;
}
public void paintIcon(SynthContext context, Graphics g, int x,
int y, int w, int h) {
Icon icon = getIcon(context);
if (icon != null) {
if (context == null) {
icon.paintIcon(null, g, x, y);
}
else {
icon.paintIcon(context.getComponent(), g, x, y);
}
}
}
public int getIconWidth(SynthContext context) {
Icon icon = getIcon(context);
if (icon != null) {
return icon.getIconWidth();
}
return 0;
}
public int getIconHeight(SynthContext context) {
Icon icon = getIcon(context);
if (icon != null) {
return icon.getIconHeight();
}
return 0;
}
private Icon getIcon(SynthContext context) {
if (context != null) {
ComponentOrientation co = context.getComponent().
getComponentOrientation();
SynthStyle style = context.getStyle();
if (style != this.style) {
this.style = style;
loadedLTR = loadedRTL = false;
}
if (co == null || co.isLeftToRight()) {
if (!loadedLTR) {
loadedLTR = true;
ltrIcon = ((GTKStyle)context.getStyle()).
getStockIcon(context, key, size);
}
return ltrIcon;
}
else if (!loadedRTL) {
loadedRTL = true;
rtlIcon = ((GTKStyle)context.getStyle()).
getStockIcon(context, key,size);
}
return rtlIcon;
}
return ltrIcon;
}
public Object getValue(SynthContext context) {
try {
return clone();
} catch (CloneNotSupportedException cnse) {
}
return null;
}
}
/**
* MetalLazyValue is a slimmed down version of ProxyLaxyValue.
* The code is duplicate so that it can get at the package private
* classes in gtk.
*/
static class GTKLazyValue implements UIDefaults.LazyValue {
/**
* Name of the class to create.
*/
private String className;
private String methodName;
GTKLazyValue(String name) {
this(name, null);
}
GTKLazyValue(String name, String methodName) {
this.className = name;
this.methodName = methodName;
}
public Object createValue(UIDefaults table) {
try {
Class c = Class.forName(className, true,Thread.currentThread().
getContextClassLoader());
if (methodName == null) {
return c.newInstance();
}
Method m = c.getMethod(methodName, null);
return m.invoke(c, null);
} catch (ClassNotFoundException cnfe) {
} catch (IllegalAccessException iae) {
} catch (InvocationTargetException ite) {
} catch (NoSuchMethodException nsme) {
} catch (InstantiationException ie) {
}
return null;
}
}
static {
DEFAULT_COLOR_MAP = new int[] {
SynthConstants.PRESSED, SynthConstants.SELECTED,
SynthConstants.ENABLED, SynthConstants.MOUSE_OVER,
SynthConstants.DISABLED
};
DEFAULT_COLORS = new Color[5][];
// 2.0 colors
//
if (!GTKLookAndFeel.is2_2()) {
DEFAULT_COLORS[0] = getColorsFrom(
new ColorUIResource(195, 195, 195), BLACK_COLOR);
DEFAULT_COLORS[1] = getColorsFrom(
new ColorUIResource(0, 0, 156), WHITE_COLOR);
DEFAULT_COLORS[2] = getColorsFrom(
new ColorUIResource(214, 214, 214), BLACK_COLOR);
DEFAULT_COLORS[3] = getColorsFrom(
new ColorUIResource(233, 233, 233), BLACK_COLOR);
DEFAULT_COLORS[4] = getColorsFrom(
new ColorUIResource(214, 214, 214),
new ColorUIResource(117, 117, 117));
DEFAULT_COLORS[0][GTKColorType.TEXT_BACKGROUND.getID()] = new
ColorUIResource(188, 210, 238);
DEFAULT_COLORS[1][GTKColorType.TEXT_BACKGROUND.getID()] = new
ColorUIResource(164, 223, 255);
DEFAULT_COLORS[1][GTKColorType.TEXT_FOREGROUND.getID()] =
BLACK_COLOR;
DEFAULT_COLORS[2][GTKColorType.TEXT_FOREGROUND.getID()] =
BLACK_COLOR;
DEFAULT_COLORS[4][GTKColorType.TEXT_FOREGROUND.getID()] =
DEFAULT_COLORS[2][GTKColorType.TEXT_FOREGROUND.getID()];
}
else {
// 2.2 colors
DEFAULT_COLORS[0] = getColorsFrom(
new ColorUIResource(186, 181, 171), BLACK_COLOR);
DEFAULT_COLORS[1] = getColorsFrom(
new ColorUIResource(75, 105, 131), WHITE_COLOR);
DEFAULT_COLORS[2] = getColorsFrom(
new ColorUIResource(220, 218, 213), BLACK_COLOR);
DEFAULT_COLORS[3] = getColorsFrom(
new ColorUIResource(238, 235, 231), BLACK_COLOR);
DEFAULT_COLORS[4] = getColorsFrom(
new ColorUIResource(220, 218, 213),
new ColorUIResource(117, 117, 117));
DEFAULT_COLORS[0][GTKColorType.TEXT_BACKGROUND.getID()] = new
ColorUIResource(128, 125, 116);
DEFAULT_COLORS[1][GTKColorType.TEXT_BACKGROUND.getID()] = new
ColorUIResource(75, 105, 131);
DEFAULT_COLORS[2][GTKColorType.TEXT_BACKGROUND.getID()] =
WHITE_COLOR;
DEFAULT_COLORS[3][GTKColorType.TEXT_BACKGROUND.getID()] =
WHITE_COLOR;
DEFAULT_COLORS[4][GTKColorType.TEXT_BACKGROUND.getID()] = new
ColorUIResource(238, 235, 231);
DEFAULT_COLORS[0][GTKColorType.TEXT_FOREGROUND.getID()] =
WHITE_COLOR;
DEFAULT_COLORS[1][GTKColorType.TEXT_FOREGROUND.getID()] =
WHITE_COLOR;
DEFAULT_COLORS[2][GTKColorType.TEXT_FOREGROUND.getID()] =
BLACK_COLOR;
DEFAULT_COLORS[3][GTKColorType.TEXT_FOREGROUND.getID()] =
BLACK_COLOR;
DEFAULT_COLORS[4][GTKColorType.TEXT_FOREGROUND.getID()] = new
ColorUIResource(117, 117, 117);
}
CLASS_SPECIFIC_MAP = new HashMap();
CLASS_SPECIFIC_MAP.put("CheckBox.iconTextGap", "indicator-spacing");
CLASS_SPECIFIC_MAP.put("Slider.thumbHeight", "slider-width");
CLASS_SPECIFIC_MAP.put("Slider.trackBorder", "trough-border");
CLASS_SPECIFIC_MAP.put("SplitPane.size", "handle-size");
CLASS_SPECIFIC_MAP.put("Tree.expanderSize", "expander-size");
CLASS_SPECIFIC_MAP.put("ScrollBar.thumbHeight", "slider-width");
CLASS_SPECIFIC_MAP.put("TextArea.caretForeground", "cursor-color");
CLASS_SPECIFIC_MAP.put("TextArea.caretAspectRatio", "cursor-aspect-ratio");
CLASS_SPECIFIC_MAP.put("TextField.caretForeground", "cursor-color");
CLASS_SPECIFIC_MAP.put("TextField.caretAspectRatio", "cursor-aspect-ratio");
CLASS_SPECIFIC_MAP.put("PasswordField.caretForeground", "cursor-color");
CLASS_SPECIFIC_MAP.put("PasswordField.caretAspectRatio", "cursor-aspect-ratio");
CLASS_SPECIFIC_MAP.put("FormattedTextField.caretForeground", "cursor-color");
CLASS_SPECIFIC_MAP.put("FormattedTextField.caretAspectRatio", "cursor-aspect-");
CLASS_SPECIFIC_MAP.put("TextPane.caretForeground", "cursor-color");
CLASS_SPECIFIC_MAP.put("TextPane.caretAspectRatio", "cursor-aspect-ratio");
CLASS_SPECIFIC_MAP.put("EditorPane.caretForeground", "cursor-color");
CLASS_SPECIFIC_MAP.put("EditorPane.caretAspectRatio", "cursor-aspect-ratio");
Object[] defaults = {
"FileChooser.cancelIcon", new GTKStockIcon("gtk-cancel", 4),
"FileChooser.okIcon", new GTKStockIcon("gtk-ok", 4),
"OptionPane.errorIcon", new GTKStockIcon("gtk-dialog-error", 6),
"OptionPane.informationIcon", new GTKStockIcon("gtk-dialog-info", 6),
"OptionPane.warningIcon", new GTKStockIcon("gtk-dialog-warning", 6),
"OptionPane.questionIcon", new GTKStockIcon("gtk-dialog-question", 6),
"OptionPane.yesIcon", new GTKStockIcon("gtk-yes", 4),
"OptionPane.noIcon", new GTKStockIcon("gtk-no", 4),
"OptionPane.cancelIcon", new GTKStockIcon("gtk-cancel", 4),
"OptionPane.okIcon", new GTKStockIcon("gtk-ok", 4),
};
for (int counter = 0, max = defaults.length; counter < max;
counter++) {
DATA.put(defaults[counter], defaults[++counter]);
}
}
}