| /* |
| * Copyright 2000-2014 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.openapi.options.ex; |
| |
| import com.intellij.ide.ui.search.SearchUtil; |
| import com.intellij.openapi.ui.GraphicsConfig; |
| import com.intellij.ui.ColorUtil; |
| import com.intellij.ui.components.JBTabbedPane; |
| import com.intellij.util.ui.GraphicsUtil; |
| import com.intellij.util.ui.UIUtil; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.awt.geom.Area; |
| import java.awt.geom.Rectangle2D; |
| import java.awt.geom.RoundRectangle2D; |
| import java.awt.image.Kernel; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * User: anna |
| * Date: 10-Feb-2006 |
| */ |
| public class GlassPanel extends JComponent { |
| private final Set<JComponent> myLightComponents = new HashSet<JComponent>(); |
| private final JComponent myPanel; |
| private static final Insets EMPTY_INSETS = new Insets(0, 0, 0, 0); |
| |
| |
| public GlassPanel(JComponent containingPanel) { |
| myPanel = containingPanel; |
| setVisible(false); |
| } |
| |
| public void paintComponent(Graphics g) { |
| paintSpotlights(g); |
| } |
| |
| protected void paintSpotlights(Graphics g) { |
| paintSpotlight(g, this); |
| } |
| |
| public void paintSpotlight(final Graphics g, final JComponent surfaceComponent) { |
| Dimension size = surfaceComponent.getSize(); |
| if (myLightComponents.size() > 0) { |
| int width = size.width - 1; |
| int height = size.height - 1; |
| |
| Rectangle2D screen = new Rectangle2D.Double(0, 0, width, height); |
| final Rectangle visibleRect = myPanel.getVisibleRect(); |
| final Point leftPoint = SwingUtilities.convertPoint(myPanel, new Point(visibleRect.x, visibleRect.y), surfaceComponent); |
| Area innerPanel = new Area(new Rectangle2D.Double(leftPoint.x, leftPoint.y, visibleRect.width, visibleRect.height)); |
| Area mask = new Area(screen); |
| ArrayList<JComponent> components = new ArrayList<JComponent>(); |
| for (JComponent lightComponent : myLightComponents) { |
| final Area area = getComponentArea(surfaceComponent, lightComponent, 1); |
| if (area == null) continue; |
| components.add(lightComponent); |
| |
| if (lightComponent instanceof JLabel) { |
| final JLabel label = (JLabel)lightComponent; |
| final Component labelFor = label.getLabelFor(); |
| if (labelFor instanceof JComponent) { |
| final Area labelForArea = getComponentArea(surfaceComponent, (JComponent)labelFor, 1); |
| if (labelForArea != null) { |
| components.add((JComponent)labelFor); |
| area.add(labelForArea); |
| } |
| } |
| } |
| |
| area.intersect(innerPanel); |
| mask.subtract(area); |
| } |
| |
| Graphics2D g2 = (Graphics2D)g; |
| |
| Color shieldColor = new Color(0.0f, 0.0f, 0.0f, 0.20f); |
| Color boundsColor = Color.gray; |
| g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
| g2.setColor(shieldColor); |
| g2.fill(mask); |
| |
| g2.setColor(ColorUtil.toAlpha(Color.orange, 25)); |
| GraphicsConfig config = GraphicsUtil.setupAAPainting(g2); |
| for (int i = 2; i > 0; i--) { |
| g2.setStroke(new BasicStroke(i)); |
| Area arrr = new Area(); |
| for (JComponent component : components) { |
| Area area = getComponentArea(surfaceComponent, component, i-1); |
| if (area != null) { |
| arrr.add(area); |
| } |
| } |
| g2.draw(arrr); |
| } |
| |
| config.restore(); |
| } |
| } |
| |
| @Nullable |
| private Area getComponentArea(final JComponent surfaceComponent, final JComponent lightComponent, int offset) { |
| if (!lightComponent.isShowing()) return null; |
| |
| final Point panelPoint = SwingUtilities.convertPoint(lightComponent, new Point(0, 0), surfaceComponent); |
| final int x = panelPoint.x; |
| final int y = panelPoint.y; |
| |
| Insets insetsToIgnore = lightComponent.getInsets(); |
| final boolean isWithBorder = Boolean.TRUE.equals(lightComponent.getClientProperty(SearchUtil.HIGHLIGHT_WITH_BORDER)); |
| final boolean isLabelFromTabbedPane = Boolean.TRUE.equals(lightComponent.getClientProperty(JBTabbedPane.LABEL_FROM_TABBED_PANE)); |
| |
| if ((insetsToIgnore == null || (UIUtil.isUnderAquaLookAndFeel() && lightComponent instanceof JButton)) || isWithBorder) { |
| insetsToIgnore = EMPTY_INSETS; |
| } |
| |
| int hInset = isWithBorder ? 7 : isLabelFromTabbedPane ? 20 : 7; |
| int vInset = isWithBorder ? 1 : isLabelFromTabbedPane ? 10 : 5; |
| hInset += offset; |
| vInset += offset; |
| int xCoord = x - hInset + insetsToIgnore.left; |
| int yCoord = y - vInset + insetsToIgnore.top; |
| int width = lightComponent.getWidth() + hInset * 2 - insetsToIgnore.right - insetsToIgnore.left; |
| int height = lightComponent.getHeight() + vInset * 2 - insetsToIgnore.top - insetsToIgnore.bottom; |
| return new Area(new RoundRectangle2D.Double(xCoord, |
| yCoord, |
| width, |
| height, |
| Math.min(height, 30), Math.min(height, 30))); |
| } |
| |
| protected static Kernel getBlurKernel(int blurSize) { |
| if (blurSize <= 0) return null; |
| |
| int size = blurSize * blurSize; |
| float coeff = 1.0f / size; |
| float[] kernelData = new float[size]; |
| |
| for (int i = 0; i < size; i ++) { |
| kernelData[i] = coeff; |
| } |
| |
| return new Kernel(blurSize, blurSize, kernelData); |
| } |
| |
| |
| public static double getArea(JComponent component) { |
| return Math.PI * component.getWidth() * component.getHeight() / 4.0; |
| } |
| |
| public void addSpotlight(final JComponent component) { |
| myLightComponents.add(component); |
| setVisible(true); |
| } |
| |
| public void removeSpotlight(final JComponent component){ |
| myLightComponents.remove(component); |
| } |
| |
| public void clear() { |
| myLightComponents.clear(); |
| setVisible(false); |
| } |
| } |