protected void configureScrollBarColors() {
super.configureScrollBarColors();
// The following is a bit of a hack to force the size of the scrollbar.
boolean isVertical =
(this.scrollbar.getOrientation() == NORTH || this.scrollbar.getOrientation() == SOUTH);
Dimension size = this.scrollbar.getPreferredSize();
if (isVertical) {
size.width = this.scrollBarWidth;
} else {
size.height = this.scrollBarWidth;
}
this.scrollbar.setPreferredSize(size);
}
/**
* Calls the super class' paint(Graphics g) method and then paints two gradients. The direction of
* the gradients depends on the direction of the scrollbar.
*/
protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) {
super.paintThumb(g, c, thumbBounds);
// colors for the reflection gradient
Color colorReflection = KunststoffMiniLookAndFeel.getComponentGradientColorReflection();
Color colorReflectionFaded = KunststoffUtilities.getTranslucentColor(colorReflection, 0);
// colors for the shadow gradient
Color colorShadow = KunststoffMiniLookAndFeel.getComponentGradientColorShadow();
Color colorShadowFaded = KunststoffUtilities.getTranslucentColor(colorShadow, 0);
Rectangle rectReflection; // rectangle for the reflection gradient
Rectangle rectShadow; // rectangle for the shadow gradient
if (scrollbar.getOrientation() == JScrollBar.VERTICAL) {
rectReflection =
new Rectangle(
thumbBounds.x + 1, thumbBounds.y, thumbBounds.width / 2, thumbBounds.height);
rectShadow =
new Rectangle(
thumbBounds.x + thumbBounds.width / 2,
thumbBounds.y,
thumbBounds.width / 2 + 1,
thumbBounds.height);
} else {
rectReflection =
new Rectangle(
thumbBounds.x, thumbBounds.y + 1, thumbBounds.width, thumbBounds.height / 2);
rectShadow =
new Rectangle(
thumbBounds.x,
thumbBounds.y + thumbBounds.height / 2,
thumbBounds.width,
thumbBounds.height / 2 + 1);
}
// the direction of the gradient is orthogonal to the direction of the scrollbar
boolean isVertical = (scrollbar.getOrientation() == JScrollBar.HORIZONTAL);
KunststoffUtilities.drawGradient(
g, colorReflection, colorReflectionFaded, rectReflection, isVertical);
KunststoffUtilities.drawGradient(g, colorShadowFaded, colorShadow, rectShadow, isVertical);
}