private Insets getScrollBarInsets(SynthContext context, Insets insets) {
int troughBorder = getClassSpecificIntValue(context, "trough-border", 1);
insets.left = insets.right = insets.top = insets.bottom = troughBorder;
JComponent c = context.getComponent();
if (c.getParent() instanceof JScrollPane) {
// This scrollbar is part of a scrollpane; use only the
// "scrollbar-spacing" style property to determine the padding
// between the scrollbar and its parent scrollpane.
int spacing = getClassSpecificIntValue(WidgetType.SCROLL_PANE, "scrollbar-spacing", 3);
if (((JScrollBar) c).getOrientation() == JScrollBar.HORIZONTAL) {
insets.top += spacing;
} else {
if (c.getComponentOrientation().isLeftToRight()) {
insets.left += spacing;
} else {
insets.right += spacing;
}
}
} else {
// This is a standalone scrollbar; leave enough room for the
// focus line in addition to the trough border.
if (c.isFocusable()) {
int focusSize = getClassSpecificIntValue(context, "focus-line-width", 1);
int focusPad = getClassSpecificIntValue(context, "focus-padding", 1);
int totalFocus = focusSize + focusPad;
insets.left += totalFocus;
insets.right += totalFocus;
insets.top += totalFocus;
insets.bottom += totalFocus;
}
}
return insets;
}
private Insets getButtonInsets(SynthContext context, Insets insets) {
// The following calculations are derived from gtkbutton.c
// (GTK+ version 2.8.20), gtk_button_size_allocate() method.
int CHILD_SPACING = 1;
int focusSize = getClassSpecificIntValue(context, "focus-line-width", 1);
int focusPad = getClassSpecificIntValue(context, "focus-padding", 1);
int xThickness = getXThickness();
int yThickness = getYThickness();
int w = focusSize + focusPad + xThickness + CHILD_SPACING;
int h = focusSize + focusPad + yThickness + CHILD_SPACING;
insets.left = insets.right = w;
insets.top = insets.bottom = h;
Component component = context.getComponent();
if ((component instanceof JButton)
&& !(component.getParent() instanceof JToolBar)
&& ((JButton) component).isDefaultCapable()) {
// Include the default border insets, but only for JButtons
// that are default capable. Note that
// JButton.getDefaultCapable() returns true by default, but
// GtkToolButtons are never default capable, so we skip this
// step if the button is contained in a toolbar.
Insets defaultInsets =
getClassSpecificInsetsValue(context, "default-border", BUTTON_DEFAULT_BORDER_INSETS);
insets.left += defaultInsets.left;
insets.right += defaultInsets.right;
insets.top += defaultInsets.top;
insets.bottom += defaultInsets.bottom;
}
return insets;
}
@Override
public void installDefaults(SynthContext context) {
super.installDefaults(context);
if (!context.getRegion().isSubregion()) {
context
.getComponent()
.putClientProperty(SwingUtilities2.AA_TEXT_PROPERTY_KEY, GTKLookAndFeel.aaTextInfo);
}
}
/** Returns the amount to shift the text/icon when painting. */
private int getTextShiftOffset(SynthContext state) {
AbstractButton button = (AbstractButton) state.getComponent();
ButtonModel model = button.getModel();
if (model.isArmed() && model.isPressed() && button.getPressedIcon() == null) {
return state.getStyle().getInt(state, getPropertyPrefix() + "textShiftOffset", 0);
}
return 0;
}
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);
}
}
}
/** {@inheritDoc} */
@Override
public int getBaseline(JComponent c, int width, int height) {
if (c == null) {
throw new NullPointerException("Component must be non-null");
}
if (width < 0 || height < 0) {
throw new IllegalArgumentException("Width and height must be >= 0");
}
AbstractButton b = (AbstractButton) c;
String text = b.getText();
if (text == null || "".equals(text)) {
return -1;
}
Insets i = b.getInsets();
Rectangle viewRect = new Rectangle();
Rectangle textRect = new Rectangle();
Rectangle iconRect = new Rectangle();
viewRect.x = i.left;
viewRect.y = i.top;
viewRect.width = width - (i.right + viewRect.x);
viewRect.height = height - (i.bottom + viewRect.y);
// layout the text and icon
SynthContext context = getContext(b);
FontMetrics fm = context.getComponent().getFontMetrics(context.getStyle().getFont(context));
context
.getStyle()
.getGraphicsUtils(context)
.layoutText(
context,
fm,
b.getText(),
b.getIcon(),
b.getHorizontalAlignment(),
b.getVerticalAlignment(),
b.getHorizontalTextPosition(),
b.getVerticalTextPosition(),
viewRect,
iconRect,
textRect,
b.getIconTextGap());
View view = (View) b.getClientProperty(BasicHTML.propertyKey);
int baseline;
if (view != null) {
baseline = BasicHTML.getHTMLBaseline(view, textRect.width, textRect.height);
if (baseline >= 0) {
baseline += textRect.y;
}
} else {
baseline = textRect.y + fm.getAscent();
}
return baseline;
}
/**
* Paints the specified component.
*
* @param context context for the component being painted
* @param g the {@code Graphics} object used for painting
* @see #update(Graphics,JComponent)
*/
protected void paint(SynthContext context, Graphics g) {
AbstractButton b = (AbstractButton) context.getComponent();
g.setColor(context.getStyle().getColor(context, ColorType.TEXT_FOREGROUND));
g.setFont(style.getFont(context));
context
.getStyle()
.getGraphicsUtils(context)
.paintText(
context,
g,
b.getText(),
getIcon(b),
b.getHorizontalAlignment(),
b.getVerticalAlignment(),
b.getHorizontalTextPosition(),
b.getVerticalTextPosition(),
b.getIconTextGap(),
b.getDisplayedMnemonicIndex(),
getTextShiftOffset(context));
}
@Override
public Color getColor(SynthContext context, ColorType type) {
JComponent c = context.getComponent();
Region id = context.getRegion();
int state = context.getComponentState();
if (c.getName() == "Table.cellRenderer") {
if (type == ColorType.BACKGROUND) {
return c.getBackground();
}
if (type == ColorType.FOREGROUND) {
return c.getForeground();
}
}
if (id == Region.LABEL && type == ColorType.TEXT_FOREGROUND) {
type = ColorType.FOREGROUND;
}
// For the enabled state, prefer the widget's colors
if (!id.isSubregion() && (state & SynthConstants.ENABLED) != 0) {
if (type == ColorType.BACKGROUND) {
return c.getBackground();
} else if (type == ColorType.FOREGROUND) {
return c.getForeground();
} else if (type == ColorType.TEXT_FOREGROUND) {
// If getForeground returns a non-UIResource it means the
// developer has explicitly set the foreground, use it over
// that of TEXT_FOREGROUND as that is typically the expected
// behavior.
Color color = c.getForeground();
if (color != null && !(color instanceof UIResource)) {
return color;
}
}
}
return getColorForState(context, type);
}
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;
}
/*
* This is used for both RADIO_BUTTON and CHECK_BOX.
*/
private Insets getRadioInsets(SynthContext context, Insets insets) {
// The following calculations are derived from gtkcheckbutton.c
// (GTK+ version 2.8.20), gtk_check_button_size_allocate() method.
int focusSize = getClassSpecificIntValue(context, "focus-line-width", 1);
int focusPad = getClassSpecificIntValue(context, "focus-padding", 1);
int totalFocus = focusSize + focusPad;
// Note: GTKIconFactory.DelegateIcon will have already included the
// "indicator-spacing" value in the size of the indicator icon,
// which explains why we use zero as the left inset (or right inset
// in the RTL case); see 6489585 for more details.
insets.top = totalFocus;
insets.bottom = totalFocus;
if (context.getComponent().getComponentOrientation().isLeftToRight()) {
insets.left = 0;
insets.right = totalFocus;
} else {
insets.left = totalFocus;
insets.right = 0;
}
return insets;
}
/**
* Returns the color for the specified state.
*
* @param context SynthContext identifying requestor
* @param state to get the color for
* @param type of the color
* @return Color to render with
*/
Color getGTKColor(SynthContext context, int state, ColorType type) {
if (context != null) {
JComponent c = context.getComponent();
Region id = context.getRegion();
state = GTKLookAndFeel.synthStateToGTKState(id, state);
if (!id.isSubregion() && (state & SynthConstants.ENABLED) != 0) {
if (type == ColorType.BACKGROUND || type == ColorType.TEXT_BACKGROUND) {
Color bg = c.getBackground();
if (!(bg instanceof UIResource)) {
return bg;
}
} else if (type == ColorType.FOREGROUND || type == ColorType.TEXT_FOREGROUND) {
Color fg = c.getForeground();
if (!(fg instanceof UIResource)) {
return fg;
}
}
}
}
return getStyleSpecificColor(context, state, type);
}
private Icon getStockIcon(SynthContext context, String key, int type) {
TextDirection direction = TextDirection.LTR;
if (context != null) {
ComponentOrientation co = context.getComponent().getComponentOrientation();
if (co != null && !co.isLeftToRight()) {
direction = TextDirection.RTL;
}
}
// First try loading a theme-specific icon using the native
// GTK libraries (native GTK handles the resizing for us).
Icon icon = getStyleSpecificIcon(key, direction, type);
if (icon != null) {
return icon;
}
// In a failure case where native GTK (unexpectedly) returns a
// null icon, we can try loading a default icon as a fallback.
String propName =
ICON_PROPERTY_PREFIX
+ key
+ '.'
+ type
+ '.'
+ (direction == TextDirection.RTL ? "rtl" : "ltr");
Image img = (Image) Toolkit.getDefaultToolkit().getDesktopProperty(propName);
if (img != null) {
return new ImageIcon(img);
}
// In an extreme failure situation, just return null (callers are
// already prepared to handle a null icon, so the worst that can
// happen is that an icon won't be included in the button/dialog).
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 identifying requestor
* @return opaque Whether or not the JComponent is opaque.
*/
@Override
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.PANEL
|| 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.SPLIT_PANE_DIVIDER
|| 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;
}
@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;
}
/**
* Returns the Insets. If <code>insets</code> is non-null the resulting insets will be placed in
* it, otherwise a new Insets object will be created and returned.
*
* @param context SynthContext identifying requestor
* @param insets Where to place Insets
* @return Insets.
*/
@Override
public Insets getInsets(SynthContext state, Insets insets) {
Region id = state.getRegion();
JComponent component = state.getComponent();
String name = (id.isSubregion()) ? null : component.getName();
if (insets == null) {
insets = new Insets(0, 0, 0, 0);
} else {
insets.top = insets.bottom = insets.left = insets.right = 0;
}
if (id == Region.ARROW_BUTTON || id == Region.BUTTON || id == Region.TOGGLE_BUTTON) {
if ("Spinner.previousButton" == name || "Spinner.nextButton" == name) {
return getSimpleInsets(state, insets, 1);
} else {
return getButtonInsets(state, insets);
}
} else if (id == Region.CHECK_BOX || id == Region.RADIO_BUTTON) {
return getRadioInsets(state, insets);
} else if (id == Region.MENU_BAR) {
return getMenuBarInsets(state, insets);
} else if (id == Region.MENU
|| id == Region.MENU_ITEM
|| id == Region.CHECK_BOX_MENU_ITEM
|| id == Region.RADIO_BUTTON_MENU_ITEM) {
return getMenuItemInsets(state, insets);
} else if (id == Region.FORMATTED_TEXT_FIELD) {
return getTextFieldInsets(state, insets);
} else if (id == Region.INTERNAL_FRAME) {
insets = Metacity.INSTANCE.getBorderInsets(state, insets);
} else if (id == Region.LABEL) {
if ("TableHeader.renderer" == name) {
return getButtonInsets(state, insets);
} else if (component instanceof ListCellRenderer) {
return getTextFieldInsets(state, insets);
} else if ("Tree.cellRenderer" == name) {
return getSimpleInsets(state, insets, 1);
}
} else if (id == Region.OPTION_PANE) {
return getSimpleInsets(state, insets, 6);
} else if (id == Region.POPUP_MENU) {
return getSimpleInsets(state, insets, 2);
} else if (id == Region.PROGRESS_BAR
|| id == Region.SLIDER
|| id == Region.TABBED_PANE
|| id == Region.TABBED_PANE_CONTENT
|| id == Region.TOOL_BAR
|| id == Region.TOOL_BAR_DRAG_WINDOW
|| id == Region.TOOL_TIP) {
return getThicknessInsets(state, insets);
} else if (id == Region.SCROLL_BAR) {
return getScrollBarInsets(state, insets);
} else if (id == Region.SLIDER_TRACK) {
return getSliderTrackInsets(state, insets);
} else if (id == Region.TABBED_PANE_TAB) {
return getTabbedPaneTabInsets(state, insets);
} else if (id == Region.TEXT_FIELD || id == Region.PASSWORD_FIELD) {
if (name == "Tree.cellEditor") {
return getSimpleInsets(state, insets, 1);
}
return getTextFieldInsets(state, insets);
} else if (id == Region.SEPARATOR
|| id == Region.POPUP_MENU_SEPARATOR
|| id == Region.TOOL_BAR_SEPARATOR) {
return getSeparatorInsets(state, insets);
} else if (id == GTKEngine.CustomRegion.TITLED_BORDER) {
return getThicknessInsets(state, insets);
}
return insets;
}