| /* |
| * Copyright 1995-2000 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package sun.awt.motif; |
| |
| import java.awt.*; |
| import java.awt.peer.*; |
| import java.awt.event.*; |
| |
| public class MCheckboxPeer extends MComponentPeer implements CheckboxPeer { |
| private boolean inUpCall = false; |
| private boolean inInit=false; |
| |
| native void create(MComponentPeer parent); |
| native void pSetState(boolean state); |
| native boolean pGetState(); |
| |
| public native void setLabel(String label); |
| public native void setCheckboxGroup(CheckboxGroup g); |
| |
| |
| void initialize() { |
| Checkbox t = (Checkbox)target; |
| inInit=true; |
| |
| setState(t.getState()); |
| setCheckboxGroup(t.getCheckboxGroup()); |
| super.initialize(); |
| inInit=false; |
| } |
| |
| public MCheckboxPeer(Checkbox target) { |
| super(target); |
| } |
| |
| public boolean isFocusable() { |
| return true; |
| } |
| |
| public void setState(boolean state) { |
| if (inInit) { |
| pSetState(state); |
| } else if (!inUpCall && (state != pGetState())) { |
| pSetState(state); |
| // 4135725 : do not notify on programatic changes |
| // notifyStateChanged(state); |
| } |
| } |
| private native int getIndicatorSize(); |
| private native int getSpacing(); |
| |
| public Dimension getMinimumSize() { |
| String lbl = ((Checkbox)target).getLabel(); |
| if (lbl == null) { |
| lbl = ""; |
| } |
| FontMetrics fm = getFontMetrics(target.getFont()); |
| /* |
| * 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. |
| */ |
| int wdth = fm.stringWidth(lbl) + getIndicatorSize() + getSpacing() + 8; |
| int hght = Math.max(fm.getHeight() + 8, 15); |
| return new Dimension(wdth, hght); |
| } |
| |
| |
| 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); |
| } |
| |
| |
| // NOTE: This method is called by privileged threads. |
| // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
| void action(boolean state) { |
| final Checkbox cb = (Checkbox)target; |
| final boolean newState = state; |
| MToolkit.executeOnEventHandlerThread(cb, new Runnable() { |
| public void run() { |
| CheckboxGroup cbg = cb.getCheckboxGroup(); |
| /* 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); |
| } // run() |
| }); |
| } // action() |
| |
| |
| |
| static final int SIZE = 19; |
| static final int BORDER = 4; |
| static final int SIZ = SIZE - BORDER*2 - 1; |
| |
| /* |
| * Print the native component by rendering the Motif look ourselves. |
| * ToDo(aim): needs to query native motif for more accurate size and |
| * color information; need to render check mark. |
| */ |
| public void print(Graphics g) { |
| Checkbox cb = (Checkbox)target; |
| Dimension d = cb.size(); |
| Color bg = cb.getBackground(); |
| Color fg = cb.getForeground(); |
| Color shadow = bg.darker(); |
| int x = BORDER; |
| int y = ((d.height - SIZE) / 2) + BORDER; |
| |
| g.setColor(cb.getState()? shadow : bg); |
| |
| if (cb.getCheckboxGroup() != null) { |
| g.fillOval(x, y, SIZ, SIZ); |
| draw3DOval(g, bg, x, y, SIZ, SIZ, !(cb.getState())); |
| if (cb.getState()) { |
| g.setColor(fg); |
| g.fillOval(x + 3, y + 3, SIZ - 6, SIZ - 6); |
| } |
| } else { |
| g.fillRect(x, y, SIZ, SIZ); |
| draw3DRect(g, bg, x, y, SIZ, SIZ, !(cb.getState())); |
| if (cb.getState()) { |
| g.setColor(fg); |
| g.drawLine(x+1, y+1, x+SIZ-1, y+SIZ-1); |
| g.drawLine(x+1, y+SIZ-1, x+SIZ-1, y+1); |
| } |
| } |
| g.setColor(fg); |
| String lbl = cb.getLabel(); |
| if (lbl != null) { |
| // REMIND: align |
| g.setFont(cb.getFont()); |
| FontMetrics fm = g.getFontMetrics(); |
| g.drawString(lbl, SIZE, |
| (d.height + fm.getMaxAscent() - fm.getMaxDescent()) / 2); |
| } |
| |
| target.print(g); |
| } |
| |
| /** |
| * DEPRECATED |
| */ |
| public Dimension minimumSize() { |
| return getMinimumSize(); |
| } |
| |
| } |