/*
* Copyright 2000-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.ide.ui.laf.intellij;
import com.intellij.ui.Gray;
import com.intellij.util.ui.JBInsets;
import com.intellij.util.ui.JBUI;
import com.intellij.util.ui.MacUIUtil;
import com.intellij.util.ui.UIUtil;
import javax.swing.*;
import java.awt.*;
import java.awt.geom.Area;
import java.awt.geom.Path2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import static com.intellij.ide.ui.laf.intellij.MacIntelliJComboBoxUI.VALUE_OFFSET;
/**
* @author Konstantin Bulenkov
*/
public class MacComboBoxBorder extends MacIntelliJTextBorder {
@Override
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
if (!(c instanceof JComponent)) return;
Graphics2D g2 = (Graphics2D)g.create();
try {
g2.translate(x, y);
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, MacUIUtil.USE_QUARTZ ? RenderingHints.VALUE_STROKE_PURE : RenderingHints.VALUE_STROKE_NORMALIZE);
Shape clip = g2.getClip();
Area area = new Area(new Rectangle2D.Double(0, 0, width, height));
area.subtract(getButtonBounds(c));
area.intersect(new Area(clip));
g2.setClip(area);
int arc = isRound(c) ? JBUI.scale(6) : 0;
Insets i = ((JComponent)c).getInsets();
if (c instanceof JComboBox) {
JComboBox comboBox = (JComboBox)c;
ComboBoxEditor cbe = comboBox.getEditor();
Color background = comboBox.isEditable() ? cbe.getEditorComponent().getBackground() :
UIManager.getColor(comboBox.isEnabled() ? "ComboBox.background" : "ComboBox.disabledBackground");
g2.setColor(background);
if (comboBox.isEditable()) {
Shape shape = new Rectangle2D.Double(i.left, i.top,
width - (i.left + i.right),
height - (i.top + i.bottom));
g2.fill(shape);
} else {
Path2D path = new Path2D.Double(Path2D.WIND_EVEN_ODD);
path.moveTo(i.left + VALUE_OFFSET, i.top);
path.lineTo(i.left + VALUE_OFFSET, c.getHeight() - i.bottom);
path.lineTo(i.left + arc, c.getHeight() - i.bottom);
path.quadTo(i.left, c.getHeight() - i.bottom, i.left, c.getHeight() - arc - i.bottom);
path.lineTo(i.left, arc + i.top);
path.quadTo(i.left, i.top, arc + i.left, i.top);
path.closePath();
g2.fill(path);
}
}
Path2D border = new Path2D.Double(Path2D.WIND_EVEN_ODD);
double lw = UIUtil.isRetina(g2) ? 0.5 : 1.0;
border.append(new RoundRectangle2D.Double(JBUI.scale(3), JBUI.scale(3),
c.getWidth() - JBUI.scale(6),
c.getHeight() - JBUI.scale(6),
arc, arc), false);
double innerArc = arc > 0 ? arc - lw : 0.0;
border.append(new RoundRectangle2D.Double(JBUI.scale(3) + lw, JBUI.scale(3) + lw,
c.getWidth() - JBUI.scale(6) - lw * 2,
c.getHeight() - JBUI.scale(6) - lw * 2,
innerArc, innerArc), false);
g2.setColor(Gray.xBC);
g2.fill(border);
g2.setClip(clip); // Reset clip
paint(c, g2, width, height, arc);
} finally {
g2.dispose();
}
}
@Override
public Insets getBorderInsets(Component c) {
return new JBInsets(3, 3, 3, 3);
}
@Override
public boolean isBorderOpaque() {
return false;
}
boolean isFocused(Component c) {
if (c instanceof JComboBox) {
JComboBox comboBox = (JComboBox)c;
if (!comboBox.isEnabled()) {
return false;
}
if (comboBox.isEditable()) {
ComboBoxEditor ed = comboBox.getEditor();
Component editorComponent = ed.getEditorComponent();
Component focused = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
return focused != null && editorComponent != null && SwingUtilities.isDescendingFrom(focused, editorComponent);
} else {
return comboBox.hasFocus();
}
}
return false;
}
Area getButtonBounds(Component c) {
Rectangle bounds = null;
if (c instanceof JComboBox && ((JComboBox)c).getUI() instanceof MacIntelliJComboBoxUI) {
MacIntelliJComboBoxUI ui = (MacIntelliJComboBoxUI)((JComboBox)c).getUI();
bounds = ui.getArrowButtonBounds();
}
return bounds != null ? new Area(bounds) : new Area();
}
boolean isRound(Component c) {
return c instanceof JComboBox && !((JComboBox)c).isEditable();
}
@Override void clipForBorder(Component c, Graphics2D g2, int width, int height) {
Area area = new Area(new Rectangle2D.Double(0, 0, width, height));
double lw = UIUtil.isRetina(g2) ? 0.5 : 1.0;
Shape innerShape = isRound(c) ?
new RoundRectangle2D.Double(JBUI.scale(3) + lw, JBUI.scale(3) + lw,
width - JBUI.scale(6) - lw * 2,
height - JBUI.scale(6) - lw * 2,
JBUI.scale(3) + lw, JBUI.scale(3) + lw) :
new Rectangle2D.Double(JBUI.scale(3) + lw, JBUI.scale(3) + lw,
width - JBUI.scale(6) - lw * 2,
height - JBUI.scale(6) - lw * 2);
area.subtract(new Area(innerShape));
area.add(getButtonBounds(c));
Area clip = new Area(g2.getClip());
area.intersect(clip);
g2.setClip(area);
}
boolean isSymmetric() {
return false;
}
}