public int getTitleHeight(Component c) {
int th = 21;
int fh = getBorderInsets(c).top + getBorderInsets(c).bottom;
if (c instanceof JDialog) {
JDialog dialog = (JDialog) c;
th = dialog.getSize().height - dialog.getContentPane().getSize().height - fh - 1;
if (dialog.getJMenuBar() != null) {
th -= dialog.getJMenuBar().getSize().height;
}
} else if (c instanceof JInternalFrame) {
JInternalFrame frame = (JInternalFrame) c;
th = frame.getSize().height - frame.getRootPane().getSize().height - fh - 1;
if (frame.getJMenuBar() != null) {
th -= frame.getJMenuBar().getSize().height;
}
} else if (c instanceof JRootPane) {
JRootPane jp = (JRootPane) c;
if (jp.getParent() instanceof JFrame) {
JFrame frame = (JFrame) c.getParent();
th = frame.getSize().height - frame.getContentPane().getSize().height - fh - 1;
if (frame.getJMenuBar() != null) {
th -= frame.getJMenuBar().getSize().height;
}
} else if (jp.getParent() instanceof JDialog) {
JDialog dialog = (JDialog) c.getParent();
th = dialog.getSize().height - dialog.getContentPane().getSize().height - fh - 1;
if (dialog.getJMenuBar() != null) {
th -= dialog.getJMenuBar().getSize().height;
}
}
}
return th;
}
public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
JMenuItem b = (JMenuItem) c;
ButtonModel model = b.getModel();
Color borderColorLo = AbstractLookAndFeel.getFrameColor();
Color borderColorHi =
ColorHelper.brighter(AbstractLookAndFeel.getMenuSelectionBackgroundColor(), 40);
if (c.getParent() instanceof JMenuBar) {
if (model.isArmed() || model.isSelected()) {
g.setColor(borderColorLo);
g.drawLine(x, y, x + w - 1, y);
g.drawLine(x, y, x, y + h - 1);
g.drawLine(x + w - 1, y + 1, x + w - 1, y + h - 1);
g.setColor(borderColorHi);
g.drawLine(x + 1, y + 1, x + w - 2, y + 1);
g.drawLine(x + 1, y + 1, x + 1, y + h - 1);
}
} else {
if (model.isArmed() || (c instanceof JMenu && model.isSelected())) {
g.setColor(borderColorLo);
g.drawLine(x, y, x + w - 1, y);
g.drawLine(x, y + h - 1, x + w - 1, y + h - 1);
g.setColor(borderColorHi);
g.drawLine(x, y + 1, x + w - 2, y + 1);
}
}
}
/**
* Overridden to enforce the position of the glass component as the zero child.
*
* @param comp the component to be enhanced
* @param constraints the constraints to be respected
* @param index the index
*/
protected void addImpl(Component comp, Object constraints, int index) {
super.addImpl(comp, constraints, index);
/// We are making sure the glassPane is on top.
if (glassPane != null && glassPane.getParent() == this && getComponent(0) != glassPane) {
add(glassPane, 0);
}
}
public boolean isResizable(Component c) {
boolean resizable = true;
if (c instanceof JDialog) {
JDialog dialog = (JDialog) c;
resizable = dialog.isResizable();
} else if (c instanceof JInternalFrame) {
JInternalFrame frame = (JInternalFrame) c;
resizable = frame.isResizable();
} else if (c instanceof JRootPane) {
JRootPane jp = (JRootPane) c;
if (jp.getParent() instanceof JFrame) {
JFrame frame = (JFrame) c.getParent();
resizable = frame.isResizable();
} else if (jp.getParent() instanceof JDialog) {
JDialog dialog = (JDialog) c.getParent();
resizable = dialog.isResizable();
}
}
return resizable;
}
// Overridden for performance reasons. ---->
@Override
public boolean isOpaque() {
Color back = getBackground();
Component p = getParent();
if (Objects.nonNull(p)) {
p = p.getParent();
} // p should now be the JTable.
boolean colorMatch =
Objects.nonNull(back)
&& Objects.nonNull(p)
&& back.equals(p.getBackground())
&& p.isOpaque();
return !colorMatch && super.isOpaque();
}
/**
* Sets a specified <code>Component</code> to be the glass pane for this root pane. The glass pane
* should normally be a lightweight, transparent component, because it will be made visible when
* ever the root pane needs to grab input events.
*
* <p>The new glass pane's visibility is changed to match that of the current glass pane. An
* implication of this is that care must be taken when you want to replace the glass pane and make
* it visible. Either of the following will work:
*
* <pre>
* root.setGlassPane(newGlassPane);
* newGlassPane.setVisible(true);
* </pre>
*
* or:
*
* <pre>
* root.getGlassPane().setVisible(true);
* root.setGlassPane(newGlassPane);
* </pre>
*
* @param glass the <code>Component</code> to use as the glass pane for this <code>JRootPane
* </code>
* @exception NullPointerException if the <code>glass</code> parameter is <code>null</code>
*/
public void setGlassPane(Component glass) {
if (glass == null) {
throw new NullPointerException("glassPane cannot be set to null.");
}
AWTAccessor.getComponentAccessor().setMixingCutoutShape(glass, new Rectangle());
boolean visible = false;
if (glassPane != null && glassPane.getParent() == this) {
this.remove(glassPane);
visible = glassPane.isVisible();
}
glass.setVisible(visible);
glassPane = glass;
this.add(glassPane, 0);
if (visible) {
repaint();
}
}
/**
* Returns the GUI reference of the specified container.
*
* @param cont input container
* @return gui
*/
private static GUI gui(final Component cont) {
final Container c = cont.getParent();
return c == null || c instanceof GUI ? (GUI) c : gui(c);
}
