| /* |
| * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.awt.X11; |
| |
| import java.awt.*; |
| import java.awt.peer.*; |
| import java.awt.event.*; |
| import java.awt.image.BufferedImage; |
| import javax.swing.plaf.basic.BasicGraphicsUtils; |
| import java.awt.geom.AffineTransform; |
| import java.util.Objects; |
| |
| import sun.util.logging.PlatformLogger; |
| |
| class XCheckboxPeer extends XComponentPeer implements CheckboxPeer { |
| |
| private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XCheckboxPeer"); |
| |
| private static final Insets focusInsets = new Insets(0,0,0,0); |
| private static final Insets borderInsets = new Insets(2,2,2,2); |
| private static final int checkBoxInsetFromText = 2; |
| |
| //The check mark is less common than a plain "depressed" button, |
| //so don't use the checkmark. |
| // The checkmark shape: |
| private static final double MASTER_SIZE = 128.0; |
| private static final Polygon MASTER_CHECKMARK = new Polygon( |
| new int[] {1, 25,56,124,124,85, 64}, // X-coords |
| new int[] {59,35,67, 0, 12,66,123}, // Y-coords |
| 7); |
| |
| private Shape myCheckMark; |
| |
| private Color focusColor = SystemColor.windowText; |
| |
| private boolean pressed; |
| private boolean armed; |
| private boolean selected; |
| |
| private Rectangle textRect; |
| private Rectangle focusRect; |
| private int checkBoxSize; |
| private int cbX; |
| private int cbY; |
| |
| String label; |
| CheckboxGroup checkBoxGroup; |
| |
| XCheckboxPeer(Checkbox target) { |
| super(target); |
| pressed = false; |
| armed = false; |
| selected = target.getState(); |
| label = target.getLabel(); |
| if ( label == null ) { |
| label = ""; |
| } |
| checkBoxGroup = target.getCheckboxGroup(); |
| updateMotifColors(getPeerBackground()); |
| } |
| |
| public void preInit(XCreateWindowParams params) { |
| // Put this here so it is executed before layout() is called from |
| // setFont() in XComponent.postInit() |
| textRect = new Rectangle(); |
| focusRect = new Rectangle(); |
| super.preInit(params); |
| } |
| |
| public boolean isFocusable() { return true; } |
| |
| public void focusGained(FocusEvent e) { |
| // TODO: only need to paint the focus bit |
| super.focusGained(e); |
| repaint(); |
| } |
| |
| public void focusLost(FocusEvent e) { |
| // TODO: only need to paint the focus bit? |
| super.focusLost(e); |
| repaint(); |
| } |
| |
| |
| void handleJavaKeyEvent(KeyEvent e) { |
| int i = e.getID(); |
| switch (i) { |
| case KeyEvent.KEY_PRESSED: |
| keyPressed(e); |
| break; |
| case KeyEvent.KEY_RELEASED: |
| keyReleased(e); |
| break; |
| case KeyEvent.KEY_TYPED: |
| keyTyped(e); |
| break; |
| } |
| } |
| |
| public void keyTyped(KeyEvent e) {} |
| |
| public void keyPressed(KeyEvent e) { |
| if (e.getKeyCode() == KeyEvent.VK_SPACE) |
| { |
| //pressed=true; |
| //armed=true; |
| //selected=!selected; |
| action(!selected); |
| //repaint(); // Gets the repaint from action() |
| } |
| |
| } |
| |
| public void keyReleased(KeyEvent e) {} |
| |
| @Override |
| public void setLabel(String label) { |
| if (label == null) { |
| label = ""; |
| } |
| if (!label.equals(this.label)) { |
| this.label = label; |
| layout(); |
| repaint(); |
| } |
| } |
| |
| void handleJavaMouseEvent(MouseEvent e) { |
| super.handleJavaMouseEvent(e); |
| int i = e.getID(); |
| switch (i) { |
| case MouseEvent.MOUSE_PRESSED: |
| mousePressed(e); |
| break; |
| case MouseEvent.MOUSE_RELEASED: |
| mouseReleased(e); |
| break; |
| case MouseEvent.MOUSE_ENTERED: |
| mouseEntered(e); |
| break; |
| case MouseEvent.MOUSE_EXITED: |
| mouseExited(e); |
| break; |
| case MouseEvent.MOUSE_CLICKED: |
| mouseClicked(e); |
| break; |
| } |
| } |
| |
| public void mousePressed(MouseEvent e) { |
| if (XToolkit.isLeftMouseButton(e)) { |
| Checkbox cb = (Checkbox) e.getSource(); |
| |
| if (cb.contains(e.getX(), e.getY())) { |
| if (log.isLoggable(PlatformLogger.Level.FINER)) { |
| log.finer("mousePressed() on " + target.getName() + " : armed = " + armed + ", pressed = " + pressed |
| + ", selected = " + selected + ", enabled = " + isEnabled()); |
| } |
| if (!isEnabled()) { |
| // Disabled buttons ignore all input... |
| return; |
| } |
| if (!armed) { |
| armed = true; |
| } |
| pressed = true; |
| repaint(); |
| } |
| } |
| } |
| |
| public void mouseReleased(MouseEvent e) { |
| if (log.isLoggable(PlatformLogger.Level.FINER)) { |
| log.finer("mouseReleased() on " + target.getName() + ": armed = " + armed + ", pressed = " + pressed |
| + ", selected = " + selected + ", enabled = " + isEnabled()); |
| } |
| boolean sendEvent = false; |
| if (XToolkit.isLeftMouseButton(e)) { |
| // TODO: Multiclick Threshold? - see BasicButtonListener.java |
| if (armed) { |
| //selected = !selected; |
| // send action event |
| //action(e.getWhen(),e.getModifiers()); |
| sendEvent = true; |
| } |
| pressed = false; |
| armed = false; |
| if (sendEvent) { |
| action(!selected); // Also gets repaint in action() |
| } |
| else { |
| repaint(); |
| } |
| } |
| } |
| |
| public void mouseEntered(MouseEvent e) { |
| if (log.isLoggable(PlatformLogger.Level.FINER)) { |
| log.finer("mouseEntered() on " + target.getName() + ": armed = " + armed + ", pressed = " + pressed |
| + ", selected = " + selected + ", enabled = " + isEnabled()); |
| } |
| if (pressed) { |
| armed = true; |
| repaint(); |
| } |
| } |
| |
| public void mouseExited(MouseEvent e) { |
| if (log.isLoggable(PlatformLogger.Level.FINER)) { |
| log.finer("mouseExited() on " + target.getName() + ": armed = " + armed + ", pressed = " + pressed |
| + ", selected = " + selected + ", enabled = " + isEnabled()); |
| } |
| if (armed) { |
| armed = false; |
| repaint(); |
| } |
| } |
| |
| public void mouseClicked(MouseEvent e) {} |
| |
| public Dimension getMinimumSize() { |
| /* |
| * Spacing (number of pixels between check mark and label text) is |
| * currently set to 0, but in case it ever changes we have to add |
| * it. 8 is a heuristic number. Indicator size depends on font |
| * height, so we don't need to include it in checkbox's height |
| * calculation. |
| */ |
| FontMetrics fm = getFontMetrics(getPeerFont()); |
| |
| int wdth = fm.stringWidth(label) + getCheckboxSize(fm) + (2 * checkBoxInsetFromText) + 8; |
| int hght = Math.max(fm.getHeight() + 8, 15); |
| |
| return new Dimension(wdth, hght); |
| } |
| |
| private int getCheckboxSize(FontMetrics fm) { |
| // the motif way of sizing is a bit inscutible, but this |
| // is a fair approximation |
| return (fm.getHeight() * 76 / 100) - 1; |
| } |
| |
| public void setBackground(Color c) { |
| updateMotifColors(c); |
| super.setBackground(c); |
| } |
| |
| /* |
| * Layout the checkbox/radio button and text label |
| */ |
| public void layout() { |
| Dimension size = getPeerSize(); |
| Font f = getPeerFont(); |
| FontMetrics fm = getFontMetrics(f); |
| String text = label; |
| |
| checkBoxSize = getCheckboxSize(fm); |
| |
| // Note - Motif appears to use an left inset that is slightly |
| // scaled to the checkbox/font size. |
| cbX = borderInsets.left + checkBoxInsetFromText; |
| cbY = size.height / 2 - checkBoxSize / 2; |
| int minTextX = borderInsets.left + 2 * checkBoxInsetFromText + checkBoxSize; |
| // FIXME: will need to account for alignment? |
| // FIXME: call layout() on alignment changes |
| //textRect.width = fm.stringWidth(text); |
| textRect.width = fm.stringWidth(text == null ? "" : text); |
| textRect.height = fm.getHeight(); |
| |
| textRect.x = Math.max(minTextX, size.width / 2 - textRect.width / 2); |
| textRect.y = (size.height - textRect.height) / 2; |
| |
| focusRect.x = focusInsets.left; |
| focusRect.y = focusInsets.top; |
| focusRect.width = size.width-(focusInsets.left+focusInsets.right)-1; |
| focusRect.height = size.height-(focusInsets.top+focusInsets.bottom)-1; |
| |
| double fsize = (double) checkBoxSize; |
| myCheckMark = AffineTransform.getScaleInstance(fsize / MASTER_SIZE, fsize / MASTER_SIZE).createTransformedShape(MASTER_CHECKMARK); |
| } |
| @Override |
| void paintPeer(final Graphics g) { |
| //layout(); |
| Dimension size = getPeerSize(); |
| Font f = getPeerFont(); |
| flush(); |
| g.setColor(getPeerBackground()); // erase the existing button |
| g.fillRect(0,0, size.width, size.height); |
| if (label != null) { |
| g.setFont(f); |
| paintText(g, textRect, label); |
| } |
| |
| if (hasFocus()) { |
| paintFocus(g, |
| focusRect.x, |
| focusRect.y, |
| focusRect.width, |
| focusRect.height); |
| } |
| // Paint the checkbox or radio button |
| if (checkBoxGroup == null) { |
| paintCheckbox(g, cbX, cbY, checkBoxSize, checkBoxSize); |
| } |
| else { |
| paintRadioButton(g, cbX, cbY, checkBoxSize, checkBoxSize); |
| } |
| flush(); |
| } |
| |
| // You'll note this looks suspiciously like paintBorder |
| public void paintCheckbox(Graphics g, |
| int x, int y, int w, int h) { |
| boolean useBufferedImage = false; |
| BufferedImage buffer = null; |
| Graphics2D g2 = null; |
| int rx = x; |
| int ry = y; |
| if (!(g instanceof Graphics2D)) { |
| // Fix for 5045936. While printing, g is an instance of |
| // sun.print.ProxyPrintGraphics which extends Graphics. So |
| // we use a separate buffered image and its graphics is |
| // always Graphics2D instance |
| buffer = graphicsConfig.createCompatibleImage(w, h); |
| g2 = buffer.createGraphics(); |
| useBufferedImage = true; |
| rx = 0; |
| ry = 0; |
| } |
| else { |
| g2 = (Graphics2D)g; |
| } |
| try { |
| drawMotif3DRect(g2, rx, ry, w-1, h-1, armed | selected); |
| |
| // then paint the check |
| g2.setColor((armed | selected) ? selectColor : getPeerBackground()); |
| g2.fillRect(rx+1, ry+1, w-2, h-2); |
| |
| if (armed | selected) { |
| //Paint the check |
| |
| // FIXME: is this the right color? |
| g2.setColor(getPeerForeground()); |
| |
| AffineTransform af = g2.getTransform(); |
| g2.setTransform(AffineTransform.getTranslateInstance(rx,ry)); |
| g2.fill(myCheckMark); |
| g2.setTransform(af); |
| } |
| } finally { |
| if (useBufferedImage) { |
| g2.dispose(); |
| } |
| } |
| if (useBufferedImage) { |
| g.drawImage(buffer, x, y, null); |
| } |
| } |
| |
| public void paintRadioButton(Graphics g, int x, int y, int w, int h) { |
| |
| g.setColor((armed | selected) ? darkShadow : lightShadow); |
| g.drawArc(x-1, y-1, w+2, h+2, 45, 180); |
| |
| g.setColor((armed | selected) ? lightShadow : darkShadow); |
| g.drawArc(x-1, y-1, w+2, h+2, 45, -180); |
| |
| if (armed | selected) { |
| g.setColor(selectColor); |
| g.fillArc(x+1, y+1, w-1, h-1, 0, 360); |
| } |
| } |
| |
| protected void paintText(Graphics g, Rectangle textRect, String text) { |
| FontMetrics fm = g.getFontMetrics(); |
| |
| int mnemonicIndex = -1; |
| |
| if(isEnabled()) { |
| /*** paint the text normally */ |
| g.setColor(getPeerForeground()); |
| BasicGraphicsUtils.drawStringUnderlineCharAt(g,text,mnemonicIndex , textRect.x , textRect.y + fm.getAscent() ); |
| } |
| else { |
| /*** paint the text disabled ***/ |
| g.setColor(getPeerBackground().brighter()); |
| |
| BasicGraphicsUtils.drawStringUnderlineCharAt(g,text, mnemonicIndex, |
| textRect.x, textRect.y + fm.getAscent()); |
| g.setColor(getPeerBackground().darker()); |
| BasicGraphicsUtils.drawStringUnderlineCharAt(g,text, mnemonicIndex, |
| textRect.x - 1, textRect.y + fm.getAscent() - 1); |
| } |
| } |
| |
| // TODO: copied directly from XButtonPeer. Should probabaly be shared |
| protected void paintFocus(Graphics g, int x, int y, int w, int h) { |
| g.setColor(focusColor); |
| g.drawRect(x,y,w,h); |
| } |
| |
| @Override |
| public void setState(boolean state) { |
| if (selected != state) { |
| selected = state; |
| repaint(); |
| } |
| } |
| |
| @Override |
| public void setCheckboxGroup(final CheckboxGroup g) { |
| if (!Objects.equals(g, checkBoxGroup)) { |
| // If changed from grouped/ungrouped, need to repaint() |
| checkBoxGroup = g; |
| repaint(); |
| } |
| } |
| |
| // NOTE: This method is called by privileged threads. |
| // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
| // From MCheckboxPeer |
| void action(boolean state) { |
| final Checkbox cb = (Checkbox)target; |
| final boolean newState = state; |
| XToolkit.executeOnEventHandlerThread(cb, new Runnable() { |
| public void run() { |
| CheckboxGroup cbg = checkBoxGroup; |
| // Bugid 4039594. If this is the current Checkbox in |
| // a CheckboxGroup, then return to prevent deselection. |
| // Otherwise, it's logical state will be turned off, |
| // but it will appear on. |
| if ((cbg != null) && (cbg.getSelectedCheckbox() == cb) && |
| cb.getState()) { |
| //inUpCall = false; |
| cb.setState(true); |
| return; |
| } |
| // All clear - set the new state |
| cb.setState(newState); |
| notifyStateChanged(newState); |
| } |
| }); |
| } |
| |
| void notifyStateChanged(boolean state) { |
| Checkbox cb = (Checkbox) target; |
| ItemEvent e = new ItemEvent(cb, |
| ItemEvent.ITEM_STATE_CHANGED, |
| cb.getLabel(), |
| state ? ItemEvent.SELECTED : ItemEvent.DESELECTED); |
| postEvent(e); |
| } |
| } |