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Viewing changes to flamingo/src/main/java/org/pushingpixels/flamingo/internal/utils/KeyTipRenderingUtilities.java

  • Committer: Package Import Robot
  • Author(s): Felix Natter
  • Date: 2016-01-18 20:58:45 UTC
  • Revision ID: package-import@ubuntu.com-20160118205845-crbmrkda61qsi5qa
Tags: upstream-7.3+dfsg2
Import upstream version 7.3+dfsg2

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flamingo/src/main/java/org/pushingpixels/flamingo/internal/utils/KeyTipRenderingUtilities.java
 
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/*
 
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 * Copyright (c) 2005-2010 Flamingo Kirill Grouchnikov. All Rights Reserved.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without 
 
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 * modification, are permitted provided that the following conditions are met:
 
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 * 
 
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 *  o Redistributions of source code must retain the above copyright notice, 
 
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 *    this list of conditions and the following disclaimer. 
 
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 *     
 
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 *  o Redistributions in binary form must reproduce the above copyright notice, 
 
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 *    this list of conditions and the following disclaimer in the documentation 
 
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 *    and/or other materials provided with the distribution. 
 
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 *     
 
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 *  o Neither the name of Flamingo Kirill Grouchnikov nor the names of 
 
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 *    its contributors may be used to endorse or promote products derived 
 
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 *    from this software without specific prior written permission. 
 
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 *     
 
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
 
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 
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 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 
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 */
 
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package org.pushingpixels.flamingo.internal.utils;
 
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import java.awt.*;
 
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import java.awt.font.LineMetrics;
 
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import java.awt.geom.RoundRectangle2D;
 
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import java.util.Collection;
 
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import javax.swing.*;
 
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import org.pushingpixels.flamingo.api.common.CommandButtonLayoutManager;
 
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import org.pushingpixels.flamingo.api.common.JCommandMenuButton;
 
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import org.pushingpixels.flamingo.api.common.JCommandButton.CommandButtonKind;
 
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import org.pushingpixels.flamingo.api.common.JCommandButton.CommandButtonPopupOrientationKind;
 
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public class KeyTipRenderingUtilities {
 
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        private static int INSETS = 3;
 
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        public static Dimension getPrefSize(FontMetrics fm, String keyTip) {
 
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                int prefWidth = fm.stringWidth(keyTip) + 2 * INSETS + 1;
 
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                int prefHeight = fm.getHeight() + INSETS - 1;
 
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                return new Dimension(prefWidth, prefHeight);
 
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        }
 
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        public static void renderKeyTip(Graphics g, Container c, Rectangle rect,
 
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                        String keyTip, boolean toPaintEnabled) {
 
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                CellRendererPane buttonRendererPane = new CellRendererPane();
 
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                JButton rendererButton = new JButton("");
 
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                rendererButton.setEnabled(toPaintEnabled);
 
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                buttonRendererPane.setBounds(rect.x, rect.y, rect.width, rect.height);
 
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                Graphics2D g2d = (Graphics2D) g.create();
 
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                g2d.setComposite(AlphaComposite.SrcOver.derive(toPaintEnabled ? 1.0f
 
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                                : 0.5f));
 
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                Shape clip = g2d.getClip();
 
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                RoundRectangle2D.Double roundRect = new RoundRectangle2D.Double(rect.x,
 
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                                rect.y, rect.width - 1, rect.height - 1, 6, 6);
 
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                g2d.clip(roundRect);
 
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                buttonRendererPane.paintComponent(g2d, rendererButton, c, rect.x
 
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                                - rect.width / 2, rect.y - rect.height / 2, 2 * rect.width,
 
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                                2 * rect.height, true);
 
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                g2d.setClip(clip);
 
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                g2d.setColor(FlamingoUtilities.getBorderColor());
 
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                g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
 
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                                RenderingHints.VALUE_ANTIALIAS_ON);
 
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                g2d.draw(roundRect);
 
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                g2d.setColor(FlamingoUtilities.getColor(Color.black,
 
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                                "Button.foreground"));
 
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                Font font = UIManager.getFont("Button.font");
 
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                font = font.deriveFont(font.getSize() + 1.0f);
 
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                g2d.setFont(font);
 
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                int strWidth = g2d.getFontMetrics().stringWidth(keyTip);
 
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                //int strHeight = g2d.getFontMetrics().getHeight();
 
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                g2d.translate(rect.x, rect.y);
 
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                LineMetrics lineMetrics = g2d.getFontMetrics().getLineMetrics(keyTip, g2d);
 
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                int strHeight = (int)lineMetrics.getHeight();
 
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                g2d.drawString(keyTip, (rect.width - strWidth + 1) / 2,
 
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                                (rect.height + strHeight) / 2
 
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                                                - g2d.getFontMetrics().getDescent() + 1);
 
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                g2d.dispose();
 
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        }
 
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        public static void renderMenuButtonKeyTips(Graphics g,
 
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                        JCommandMenuButton menuButton,
 
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                        CommandButtonLayoutManager layoutManager) {
 
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                Collection<KeyTipManager.KeyTipLink> currLinks = KeyTipManager
 
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                                .defaultManager().getCurrentlyShownKeyTips();
 
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                if (currLinks == null)
 
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                        return;
 
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                boolean found = false;
 
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                for (KeyTipManager.KeyTipLink link : currLinks) {
 
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                        found = (link.comp == menuButton);
 
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                        if (found)
 
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                                break;
 
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                }
 
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                if (!found)
 
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                        return;
 
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                // System.out.println("Painting key tip for " + menuButton.getText());
 
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                String actionKeyTip = menuButton.getActionKeyTip();
 
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                String popupKeyTip = menuButton.getPopupKeyTip();
 
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                CommandButtonLayoutManager.CommandButtonLayoutInfo layoutInfo = layoutManager
 
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                                .getLayoutInfo(menuButton, g);
 
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                Point prefCenter = menuButton.getUI().getKeyTipAnchorCenterPoint();
 
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                if ((layoutInfo.iconRect.width > 0) && (actionKeyTip != null)) {
 
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                        Dimension pref = KeyTipRenderingUtilities.getPrefSize(g
 
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                                        .getFontMetrics(), actionKeyTip);
 
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                        KeyTipRenderingUtilities.renderKeyTip(g, menuButton, new Rectangle(
 
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                                        prefCenter.x - pref.width / 2, Math.min(prefCenter.y
 
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                                                        - pref.height / 2, layoutInfo.actionClickArea.y
 
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                                                        + layoutInfo.actionClickArea.height - pref.height),
 
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                                        pref.width, pref.height), actionKeyTip, menuButton
 
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                                        .getActionModel().isEnabled());
 
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                }
 
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                if ((layoutInfo.popupClickArea.width > 0) && (popupKeyTip != null)) {
 
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                        Dimension pref = KeyTipRenderingUtilities.getPrefSize(g
 
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                                        .getFontMetrics(), popupKeyTip);
 
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                        if (menuButton.getPopupOrientationKind() == CommandButtonPopupOrientationKind.SIDEWARD) {
 
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                                if (menuButton.getCommandButtonKind() != CommandButtonKind.POPUP_ONLY) {
 
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                                        // vertically aligned with the action keytip along
 
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                                        // the right edge
 
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                                        KeyTipRenderingUtilities.renderKeyTip(g, menuButton,
 
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                                                        new Rectangle(layoutInfo.popupClickArea.x
 
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                                                                        + layoutInfo.popupClickArea.width
 
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                                                                        - pref.width - 4, Math.min(prefCenter.y
 
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                                                                        - pref.height / 2,
 
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                                                                        layoutInfo.actionClickArea.y
 
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                                                                                        + layoutInfo.actionClickArea.height
 
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                                                                                        - pref.height), pref.width,
 
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                                                                        pref.height), popupKeyTip, menuButton
 
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                                                                        .getPopupModel().isEnabled());
 
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                                } else {
 
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                                        KeyTipRenderingUtilities
 
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                                                        .renderKeyTip(
 
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                                                                        g,
 
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                                                                        menuButton,
 
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                                                                        new Rectangle(
 
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                                                                                        prefCenter.x - pref.width / 2,
 
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                                                                                        Math
 
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                                                                                                        .min(
 
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                                                                                                                        prefCenter.y
 
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                                                                                                                                        - pref.height
 
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                                                                                                                                        / 2,
 
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                                                                                                                        layoutInfo.popupClickArea.y
 
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                                                                                                                                        + layoutInfo.popupClickArea.height
 
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                                                                                                                                        - pref.height),
 
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                                                                                        pref.width, pref.height),
 
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                                                                        popupKeyTip, menuButton.getPopupModel()
 
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                                                                                        .isEnabled());
 
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                                }
 
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                        } else {
 
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                                // horizontally centered along the bottom edge
 
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                                KeyTipRenderingUtilities
 
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                                                .renderKeyTip(
 
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                                                                g,
 
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                                                                menuButton,
 
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                                                                new Rectangle(
 
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                                                                                (layoutInfo.popupClickArea.x
 
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                                                                                                + layoutInfo.popupClickArea.width - pref.width) / 2,
 
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                                                                                layoutInfo.popupClickArea.y
 
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                                                                                                + layoutInfo.popupClickArea.height
 
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                                                                                                - pref.height, pref.width,
 
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                                                                                pref.height), popupKeyTip, menuButton
 
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                                                                                .getPopupModel().isEnabled());
 
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                        }
 
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                }
 
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        }
 
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}