gtkpainter.java

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                        style.getClassSpecificIntValue(
                                context, "focus-padding", 1);
            x -= focusSize;
            y -= focusSize;
            w += focusSize * 2;
            h += focusSize * 2;
        }

        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h, id, state)) {
                ENGINE.startPainting(g, x, y, w, h, id, state);
                int gtkState = GTKLookAndFeel.synthStateToGTKState(id, state);
                ENGINE.paintBox(g, context, id, gtkState, ShadowType.IN,
                        "trough", x + focusSize, y + focusSize,
                        w - 2 * focusSize, h - 2 * focusSize);

                if (focused) {
                    ENGINE.paintFocus(g, context, id, SynthConstants.ENABLED,
                            "trough", x, y, w, h);
                }
                ENGINE.finishPainting();
            }
        }
    }

    public void paintSliderThumbBackground(SynthContext context,
            Graphics g, int x, int y, int w, int h, int dir) {
        Region id = context.getRegion();
        int gtkState = GTKLookAndFeel.synthStateToGTKState(
                id, context.getComponentState());
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h, id, gtkState, dir)) {
                Orientation orientation = (dir == JSlider.HORIZONTAL ?
                    Orientation.HORIZONTAL : Orientation.VERTICAL);
                String detail = (dir == JSlider.HORIZONTAL ?
                    "hscale" : "vscale");
                ENGINE.startPainting(g, x, y, w, h, id, gtkState, dir);
                ENGINE.paintSlider(g, context, id, gtkState,
                        ShadowType.OUT, detail, x, y, w, h, orientation);
                ENGINE.finishPainting();
            }
        }
    }

    //
    // SPINNER
    //
    public void paintSpinnerBackground(SynthContext context,
                                        Graphics g,
                                        int x, int y, int w, int h) {
        // This is handled in paintTextFieldBackground
    }

    //
    // SPLIT_PANE_DIVIDER
    //
    public void paintSplitPaneDividerBackground(SynthContext context,
                                       Graphics g,
                                       int x, int y, int w, int h) {
        Region id = context.getRegion();
        int gtkState = GTKLookAndFeel.synthStateToGTKState(
                id, context.getComponentState());
        JSplitPane splitPane = (JSplitPane)context.getComponent();
        Orientation orientation =
                (splitPane.getOrientation() == JSplitPane.HORIZONTAL_SPLIT ?
                    Orientation.VERTICAL : Orientation.HORIZONTAL);
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h,
                    id, gtkState, orientation)) {
                ENGINE.startPainting(g, x, y, w, h, id, gtkState, orientation);
                ENGINE.paintHandle(g, context, id, gtkState,
                        ShadowType.OUT, "paned", x, y, w, h, orientation);
                ENGINE.finishPainting();
            }
        }
    }

    public void paintSplitPaneDragDivider(SynthContext context,
                                       Graphics g,int x, int y, int w, int h,
                                       int orientation) {
        paintSplitPaneDividerForeground(context, g, x, y, w, h, orientation);
    }

    public void paintTabbedPaneContentBackground(SynthContext context,
                                      Graphics g, int x, int y, int w, int h) {
        JTabbedPane pane = (JTabbedPane)context.getComponent();
        int selectedIndex = pane.getSelectedIndex();
        PositionType placement = GTKLookAndFeel.SwingOrientationConstantToGTK(
                                                        pane.getTabPlacement());

        int gapStart = 0;
        int gapSize = 0;
        if (selectedIndex != -1) {
            Rectangle tabBounds = pane.getBoundsAt(selectedIndex);

            if (placement == PositionType.TOP ||
                placement == PositionType.BOTTOM) {
                
                gapStart = tabBounds.x - 1;
                gapSize = tabBounds.width;
            }
            else {
                gapStart = tabBounds.y - 1;
                gapSize = tabBounds.height;
            }
        }

        Region id = context.getRegion();
        int gtkState = GTKLookAndFeel.synthStateToGTKState(
                id, context.getComponentState());
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h,
                    id, gtkState, placement, gapStart, gapSize)) {
                ENGINE.startPainting(g, x, y, w, h,
                        id, gtkState, placement, gapStart, gapSize);
                ENGINE.paintBoxGap(g, context, id, gtkState, ShadowType.OUT,
                        "notebook", x, y, w, h, placement, gapStart, gapSize);
                ENGINE.finishPainting();
            }
        }
    }
    
    public void paintTabbedPaneTabBackground(SynthContext context,
                                           Graphics g,
                                           int x, int y, int w, int h,
                                           int tabIndex) {
        Region id = context.getRegion();
        int state = context.getComponentState();
        int gtkState = ((state & SynthConstants.SELECTED) != 0 ?
            SynthConstants.ENABLED : SynthConstants.PRESSED);
        JTabbedPane pane = (JTabbedPane)context.getComponent();
        int placement = pane.getTabPlacement();

        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h,
                    id, gtkState, placement, tabIndex)) {
                PositionType side = POSITIONS[placement - 1];
                ENGINE.startPainting(g, x, y, w, h,
                        id, gtkState, placement, tabIndex);
                ENGINE.paintExtension(g, context, id, gtkState,
                        ShadowType.OUT, "tab", x, y, w, h, side, tabIndex);
                ENGINE.finishPainting();
            }
        }
    }

    //
    // TEXT_AREA
    //
    public void paintTextAreaBackground(SynthContext context, Graphics g,
                                        int x, int y, int w, int h) {
        // Does not call into ENGINE for better performance
        fillArea(context, g, x, y, w, h, GTKColorType.TEXT_BACKGROUND);
    }

    //
    // TEXT_FIELD
    //
    // NOTE: Combobox and Label, Password and FormattedTextField calls this
    // too.
    private void paintTextBackground(SynthContext context, Graphics g,
                                     int x, int y, int w, int h) {
        // Text is odd in that it uses the TEXT_BACKGROUND vs BACKGROUND.
        JComponent c = context.getComponent();
        GTKStyle style = (GTKStyle)context.getStyle();

        Region id = context.getRegion();
        int state = context.getComponentState();
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (ENGINE.paintCachedImage(g, x, y, w, h, id, state)) {
                return;
            }
            
            int gtkState = GTKLookAndFeel.synthStateToGTKState(id, state);
            int focusSize = 0;
            boolean interiorFocus = style.getClassSpecificBoolValue(
                    context, "interior-focus", true);
            if (!interiorFocus && (state & SynthConstants.FOCUSED) != 0) {
                focusSize = style.getClassSpecificIntValue(context,
                        "focus-line-width",1);
                x += focusSize;
                y += focusSize;
                w -= 2 * focusSize;
                h -= 2 * focusSize;
            }
                
            int xThickness = style.getXThickness();
            int yThickness = style.getYThickness();
                
            ENGINE.startPainting(g, x, y, w, h, id, state);
            ENGINE.paintShadow(g, context, id, gtkState,
                    ShadowType.IN, "entry", x, y, w, h);
            ENGINE.paintFlatBox(g, context, id,
                                gtkState, ShadowType.NONE, "entry_bg", 
                                x + xThickness, 
                                y + yThickness, 
                                w - (2 * xThickness), 
                                h - (2 * yThickness), 
                                ColorType.TEXT_BACKGROUND); 

            if (focusSize > 0) {
                x -= focusSize;
                y -= focusSize;
                w += 2 * focusSize;
                h += 2 * focusSize;
                ENGINE.paintFocus(g, context, id, gtkState,
                        "entry", x, y, w, h);
            }
            ENGINE.finishPainting();
        }
    }
            
    private void paintTreeCellEditorBackground(SynthContext context, Graphics g,
                                               int x, int y, int w, int h) {
        Region id = context.getRegion();
        int gtkState = GTKLookAndFeel.synthStateToGTKState(
                id, context.getComponentState());
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h, id, gtkState)) {
                ENGINE.startPainting(g, x, y, w, h, id, gtkState);
                ENGINE.paintFlatBox(g, context, id, gtkState, ShadowType.NONE,
                        "entry_bg", x, y, w, h, ColorType.TEXT_BACKGROUND);
                ENGINE.finishPainting();
            }
        }
    }


    //
    // ROOT_PANE
    //
    public void paintRootPaneBackground(SynthContext context, Graphics g,
                                        int x, int y, int w, int h) {
        // Does not call into ENGINE for better performance
        fillArea(context, g, x, y, w, h, GTKColorType.BACKGROUND);
    }
    
    //
    // TOGGLE_BUTTON
    //
    public void paintToggleButtonBackground(SynthContext context,
                                            Graphics g,
                                            int x, int y, int w, int h) {
        Region id = context.getRegion();
        JToggleButton toggleButton = (JToggleButton)context.getComponent();
        boolean paintBG = toggleButton.isContentAreaFilled() &&
                          toggleButton.isBorderPainted();
        boolean paintFocus = toggleButton.isFocusPainted();
        boolean toolButton = (toggleButton.getParent() instanceof JToolBar);
        paintButtonBackgroundImpl(context, g, id, "button",
                                  x, y, w, h,
                                  paintBG, paintFocus, false, toolButton);
    }


    //
    // SCROLL_BAR
    //
    public void paintScrollBarBackground(SynthContext context,
                                          Graphics g,
                                          int x, int y, int w,int h) {
        Region id = context.getRegion();
        boolean focused = 
                (context.getComponentState() & SynthConstants.FOCUSED) != 0;
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (ENGINE.paintCachedImage(g, x, y, w, h, id, focused)) {
                return;
            }
            ENGINE.startPainting(g, x, y, w, h, id, focused);

            // Note: the scrollbar insets already include the "trough-border",
            // which is needed to position the scrollbar buttons properly.
            // But when we render, we need to take the trough border out
            // of the equation so that we paint the entire area covered by
            // the trough border and the scrollbar content itself.
            Insets insets = context.getComponent().getInsets();
            GTKStyle style = (GTKStyle)context.getStyle();
            int troughBorder = 
                style.getClassSpecificIntValue(context, "trough-border", 1); 
            insets.left   -= troughBorder; 
            insets.right  -= troughBorder; 
            insets.top    -= troughBorder; 
            insets.bottom -= troughBorder; 
            
            ENGINE.paintBox(g, context, id, SynthConstants.PRESSED,
                            ShadowType.IN, "trough", 
                            x + insets.left, 
                            y + insets.top, 
                            w - insets.left - insets.right, 
                            h - insets.top - insets.bottom);
            
            if (focused) {
                ENGINE.paintFocus(g, context, id,
                        SynthConstants.ENABLED, "trough", x, y, w, h);
            }
            ENGINE.finishPainting();
        }
    }


    //
    // SCROLL_BAR_THUMB
    //
    public void paintScrollBarThumbBackground(SynthContext context,
            Graphics g, int x, int y, int w, int h, int dir) {
        Region id = context.getRegion();
        int gtkState = GTKLookAndFeel.synthStateToGTKState(
                id, context.getComponentState());
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h, id, gtkState, dir)) {
                ENGINE.startPainting(g, x, y, w, h, id, gtkState, dir);
                Orientation orientation = (dir == JScrollBar.HORIZONTAL ?
                    Orientation.HORIZONTAL : Orientation.VERTICAL);
                ENGINE.paintSlider(g, context, id, gtkState,
                        ShadowType.OUT, "slider", x, y, w, h, orientation);
                ENGINE.finishPainting();
            }
        }
    }

    //
    // TOOL_TIP
    //
    public void paintToolTipBackground(SynthContext context, Graphics g,
                                        int x, int y, int w,int h) {
        Region id = context.getRegion();
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h, id)) {
                ENGINE.startPainting(g, x, y, w, h, id);
                ENGINE.paintFlatBox(g, context, id, SynthConstants.ENABLED,
                        ShadowType.OUT, "tooltip", x, y, w, h,
                        ColorType.BACKGROUND);
                ENGINE.finishPainting();
            }
        }
    }


    //
    // TREE_CELL
    //
    public void paintTreeCellBackground(SynthContext context, Graphics g,
                                        int x, int y, int w, int h) {
        Region id = context.getRegion();
        int state = context.getComponentState();
        int gtkState = GTKLookAndFeel.synthStateToGTKState(id, state);
        synchronized (UNIXToolkit.GTK_LOCK) {
            if (! ENGINE.paintCachedImage(g, x, y, w, h, id, state)) {
                ENGINE.startPainting(g, x, y, w, h, id, state);
                // the string arg should alternate based on row being painted,
                // but we currently don't pass that in.
                ENGINE.paintFlatBox(g, context, id, gtkState, ShadowType.NONE,
                        "cell_odd", x, y, w, h, ColorType.TEXT_BACKGROUND);