/*
* Copyright 2013-2016 consulo.io
*
* 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 consulo.ide.ui.laf.modern;
import com.intellij.openapi.ui.GraphicsConfig;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.ui.ColorUtil;
import com.intellij.util.ui.GraphicsUtil;
import com.intellij.util.ui.JBUI;
import sun.swing.SwingUtilities2;
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.basic.BasicButtonUI;
import java.awt.*;
/**
* @author VISTALL
* @since 02.08.14
* <p/>
* Based on {@link com.intellij.ide.ui.laf.darcula.ui.DarculaButtonUI}
*/
public class ModernButtonUI extends BasicButtonUI {
@SuppressWarnings("MethodOverridesStaticMethodOfSuperclass")
public static ComponentUI createUI(JComponent c) {
return new ModernButtonUI(c);
}
public static boolean isSquare(Component c) {
return c instanceof JButton && "square".equals(((JButton)c).getClientProperty("JButton.buttonType"));
}
private MouseEnterHandler myMouseEnterHandler;
public ModernButtonUI(JComponent c) {
myMouseEnterHandler = new MouseEnterHandler(c);
}
public MouseEnterHandler getMouseEnterHandler() {
return myMouseEnterHandler;
}
@Override
public void paint(Graphics g, JComponent c) {
final Border border = c.getBorder();
if(border != null) {
final GraphicsConfig config = GraphicsUtil.setupAAPainting(g);
final boolean square = isSquare(c);
final Insets ins = border.getBorderInsets(c);
final int yOff = (ins.top + ins.bottom) / 4;
if (c.isEnabled()) {
if (!square) {
if (myMouseEnterHandler.isMousePressed()) {
g.setColor(ColorUtil.toAlpha(ModernUIUtil.getSelectionBackground(), 100));
}
else {
if (ModernButtonBorderPainter.isDefaultButton(c)) {
g.setColor(myMouseEnterHandler.isMouseEntered() ? ModernUIUtil.getSelectionBackground().brighter() : ModernUIUtil.getSelectionBackground());
}
else {
g.setColor(getButtonColor1());
}
}
}
}
else {
if (ModernButtonBorderPainter.isDefaultButton(c)) {
g.setColor(ModernUIUtil.getActiveBorderColor());
}
}
g.fillRect(JBUI.scale(square ? 2 : 4), yOff, c.getWidth() - JBUI.scale(2 * 4), c.getHeight() - 2 * yOff);
config.restore();
}
super.paint(g, c);
}
@Override
protected void paintText(Graphics g, JComponent c, Rectangle textRect, String text) {
AbstractButton button = (AbstractButton)c;
ButtonModel model = button.getModel();
Color fg = button.getForeground();
if (fg instanceof UIResource && ModernButtonBorderPainter.isDefaultButton(button) || myMouseEnterHandler.isMousePressed()) {
final Color selectedFg = UIManager.getColor("Button.darcula.selectedButtonForeground");
if (selectedFg != null) {
fg = selectedFg;
}
}
g.setColor(fg);
FontMetrics metrics = SwingUtilities2.getFontMetrics(c, g);
int mnemonicIndex = button.getDisplayedMnemonicIndex();
if (model.isEnabled()) {
SwingUtilities2
.drawStringUnderlineCharAt(c, g, text, mnemonicIndex, textRect.x + getTextShiftOffset(), textRect.y + metrics.getAscent() + getTextShiftOffset());
}
else {
g.setColor(UIManager.getColor("Button.darcula.disabledText.shadow"));
SwingUtilities2
.drawStringUnderlineCharAt(c, g, text, -1, textRect.x + getTextShiftOffset() + 1, textRect.y + metrics.getAscent() + getTextShiftOffset() + 1);
if(!ModernButtonBorderPainter.isDefaultButton(button)) {
g.setColor(UIManager.getColor("Button.disabledText"));
SwingUtilities2.drawStringUnderlineCharAt(c, g, text, -1, textRect.x + getTextShiftOffset(), textRect.y + metrics.getAscent() + getTextShiftOffset());
}
}
}
@Override
public void update(Graphics g, JComponent c) {
super.update(g, c);
if (ModernButtonBorderPainter.isDefaultButton(c) && !SystemInfo.isMac) {
if (!c.getFont().isBold()) {
c.setFont(c.getFont().deriveFont(Font.BOLD));
}
}
}
protected Color getButtonColor1() {
return UIManager.getColor("Button.darcula.color1");
}
protected Color getSelectedButtonColor1() {
return UIManager.getColor("Button.darcula.selection.color1");
}
protected Color getSelectedButtonColor2() {
return UIManager.getColor("Button.darcula.selection.color2");
}
}