/**
* Returns the <code>GTKStyle</code> to use based on the <code>Region</code> id
*
* @param c this parameter isn't used, may be null.
* @param id of the region to get the style.
*/
public synchronized SynthStyle getStyle(JComponent c, Region id) {
WidgetType wt = GTKNativeEngine.getWidgetType(c, id);
Object key = null;
if (id == Region.SCROLL_BAR) {
// The style/insets of a scrollbar can depend on a number of
// factors (see GTKStyle.getScrollBarInsets()) so use a
// complex key here.
if (c != null) {
JScrollBar sb = (JScrollBar) c;
boolean sp = (sb.getParent() instanceof JScrollPane);
boolean horiz = (sb.getOrientation() == JScrollBar.HORIZONTAL);
boolean ltr = sb.getComponentOrientation().isLeftToRight();
boolean focusable = sb.isFocusable();
key = new ComplexKey(wt, sp, horiz, ltr, focusable);
}
} else if (id == Region.CHECK_BOX || id == Region.RADIO_BUTTON) {
// The style/insets of a checkbox or radiobutton can depend
// on the component orientation, so use a complex key here.
if (c != null) {
boolean ltr = c.getComponentOrientation().isLeftToRight();
key = new ComplexKey(wt, ltr);
}
} else if (id == Region.BUTTON) {
// The style/insets of a button can depend on whether it is
// default capable or in a toolbar, so use a complex key here.
if (c != null) {
JButton btn = (JButton) c;
boolean toolButton = (btn.getParent() instanceof JToolBar);
boolean defaultCapable = btn.isDefaultCapable();
key = new ComplexKey(wt, toolButton, defaultCapable);
}
}
if (key == null) {
// Otherwise, just use the WidgetType as the key.
key = wt;
}
GTKStyle result = stylesCache.get(key);
if (result == null) {
result = isNativeGtk ? new GTKNativeStyle(defaultFont, wt) : new GTKDefaultStyle(defaultFont);
stylesCache.put(key, result);
}
return result;
}
@Nullable
private static JScrollBar findHorizontalScrollBar(Component c) {
if (c == null) return null;
if (c instanceof JScrollPane) {
return ((JScrollPane) c).getHorizontalScrollBar();
}
if (isDiagramViewComponent(c)) {
final JComponent view = (JComponent) c;
for (int i = 0; i < view.getComponentCount(); i++) {
if (view.getComponent(i) instanceof JScrollBar) {
final JScrollBar scrollBar = (JScrollBar) view.getComponent(i);
if (scrollBar.getOrientation() == Adjustable.HORIZONTAL) {
return scrollBar;
}
}
}
}
return findHorizontalScrollBar(c.getParent());
}
@Override
public void paint(Graphics2D g, int x, int y, int width, int height, Integer object) {
g = (Graphics2D) g.create(x, y, width, height);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .5f));
g.setStroke(BASIC_STROKE);
boolean dark = UIUtil.isUnderDarcula();
int offset = object != null ? object + 11 : 11;
Color start = getColor(dark ? 95 + offset : 251 - offset);
Color stop = getColor(dark ? 80 + offset : 215 - offset);
Paint paint;
if (Adjustable.VERTICAL == myScrollBar.getOrientation()) {
x = 2;
y = 1;
width -= 3;
height -= 2;
if (myPainter instanceof ExtraErrorStripePainter) {
ExtraErrorStripePainter extra = (ExtraErrorStripePainter) myPainter;
int gap = extra.getMinimalThickness() - 1;
x += gap;
width -= gap;
}
paint = UIUtil.getGradientPaint(x, 0, start, x + width, 0, stop);
} else {
x = 1;
y = 2;
width -= 2;
height -= 3;
paint = UIUtil.getGradientPaint(0, y, start, 0, y + height, stop);
}
int arc = JBUI.scale(3);
g.setPaint(paint);
g.fillRoundRect(x + 1, y + 1, width - 2, height - 2, arc, arc);
g.setColor(getColor(dark ? 85 : 201));
g.drawRoundRect(x, y, width - 1, height - 1, arc, arc);
g.dispose();
}
@Override
public Object get(SynthContext context, Object key) {
// See if this is a class specific value.
String classKey = CLASS_SPECIFIC_MAP.get(key);
if (classKey != null) {
Object value = getClassSpecificValue(classKey);
if (value != null) {
return value;
}
}
// Is it a specific value ?
if (key == "ScrollPane.viewportBorderInsets") {
return getThicknessInsets(context, new Insets(0, 0, 0, 0));
} else if (key == "Slider.tickColor") {
return getColorForState(context, ColorType.FOREGROUND);
} else if (key == "ScrollBar.minimumThumbSize") {
int len = getClassSpecificIntValue(context, "min-slider-length", 21);
JScrollBar sb = (JScrollBar) context.getComponent();
if (sb.getOrientation() == JScrollBar.HORIZONTAL) {
return new DimensionUIResource(len, 0);
} else {
return new DimensionUIResource(0, len);
}
} else if (key == "Separator.thickness") {
JSeparator sep = (JSeparator) context.getComponent();
if (sep.getOrientation() == JSeparator.HORIZONTAL) {
return getYThickness();
} else {
return getXThickness();
}
} else if (key == "ToolBar.separatorSize") {
int size = getClassSpecificIntValue(WidgetType.TOOL_BAR, "space-size", 12);
return new DimensionUIResource(size, size);
} else if (key == "ScrollBar.buttonSize") {
JScrollBar sb = (JScrollBar) context.getComponent().getParent();
boolean horiz = (sb.getOrientation() == JScrollBar.HORIZONTAL);
WidgetType wt = horiz ? WidgetType.HSCROLL_BAR : WidgetType.VSCROLL_BAR;
int sliderWidth = getClassSpecificIntValue(wt, "slider-width", 14);
int stepperSize = getClassSpecificIntValue(wt, "stepper-size", 14);
return horiz
? new DimensionUIResource(stepperSize, sliderWidth)
: new DimensionUIResource(sliderWidth, stepperSize);
} else if (key == "ArrowButton.size") {
String name = context.getComponent().getName();
if (name != null && name.startsWith("Spinner")) {
// Believe it or not, the size of a spinner arrow button is
// dependent upon the size of the spinner's font. These
// calculations come from gtkspinbutton.c (version 2.8.20),
// spin_button_get_arrow_size() method.
String pangoFontName;
synchronized (sun.awt.UNIXToolkit.GTK_LOCK) {
pangoFontName = nativeGetPangoFontName(WidgetType.SPINNER.ordinal());
}
int arrowSize = (pangoFontName != null) ? PangoFonts.getFontSize(pangoFontName) : 10;
return (arrowSize + (getXThickness() * 2));
}
// For all other kinds of arrow buttons (e.g. combobox arrow
// buttons), we will simply fall back on the value of
// ArrowButton.size as defined in the UIDefaults for
// GTKLookAndFeel when we call UIManager.get() below...
} else if ("CheckBox.iconTextGap".equals(key) || "RadioButton.iconTextGap".equals(key)) {
// The iconTextGap value needs to include "indicator-spacing"
// and it also needs to leave enough space for the focus line,
// which falls between the indicator icon and the text.
// See getRadioInsets() and 6489585 for more details.
int indicatorSpacing = getClassSpecificIntValue(context, "indicator-spacing", 2);
int focusSize = getClassSpecificIntValue(context, "focus-line-width", 1);
int focusPad = getClassSpecificIntValue(context, "focus-padding", 1);
return indicatorSpacing + focusSize + focusPad;
}
// Is it a stock icon ?
GTKStockIcon stockIcon = null;
synchronized (ICONS_MAP) {
stockIcon = ICONS_MAP.get(key);
}
if (stockIcon != null) {
return stockIcon;
}
// Is it another kind of value ?
if (key != "engine") {
// For backward compatibility we'll fallback to the UIManager.
// We don't go to the UIManager for engine as the engine is GTK
// specific.
Object value = UIManager.get(key);
if (key == "Table.rowHeight") {
int focusLineWidth = getClassSpecificIntValue(context, "focus-line-width", 0);
if (value == null && focusLineWidth > 0) {
value = Integer.valueOf(16 + 2 * focusLineWidth);
}
}
return value;
}
// Don't call super, we don't want to pick up defaults from
// SynthStyle.
return null;
}
private ContextMenuSource createContextSource() {
return new ScrollBarContextMenuSource(scrollBar.getOrientation());
}