--- a/jdk/src/solaris/classes/sun/awt/motif/MListPeer.java Thu Sep 11 11:25:48 2008 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,390 +0,0 @@
-/*
- * Copyright 1995-2004 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.ActionEvent;
-import java.awt.event.ItemEvent;
-import java.awt.event.MouseEvent;
-import java.awt.event.MouseWheelEvent;
-
-class MListPeer extends MComponentPeer implements ListPeer {
- native void create(MComponentPeer parent);
-
- void initialize() {
- List li = (List)target;
-
- /* add any items that were already inserted in the target. */
- int nitems = li.countItems();
- for (int i = 0; i < nitems; i++) {
- addItem(li.getItem(i), -1);
- }
-
- /* set whether this list should allow multiple selections. */
- setMultipleSelections(li.allowsMultipleSelections());
-
- /* make the visible position visible. */
- int index = li.getVisibleIndex();
- if (index >= 0) {
- makeVisible(index);
- }
-
- /* select the item if necessary. */
- int sel[] = li.getSelectedIndexes();
- for (int i = 0 ; i < sel.length ; i++) {
- select(sel[i]);
- }
-
- /* BugID 4060345 to avoid showing scrollbar in empty List */
- if (nitems == 0) {
- addItem(" ", 0);
- delItems(0, 0);
- }
- super.pSetScrollbarBackground(getParent_NoClientCode(li).getBackground());
-
- if (!target.isBackgroundSet()) {
- target.setBackground(SystemColor.text);
- }
- if (!target.isForegroundSet()) {
- target.setForeground(SystemColor.textText);
- }
-
- super.initialize();
- }
-
- MListPeer(List target) {
- super(target);
- }
-
- /* New method name for 1.1 */
- public void add(String item, int index) {
- addItem(item, index);
- }
-
- /* New method name for 1.1 */
- public void removeAll() {
- clear();
- }
-
- /* New method name for 1.1 */
- public void setMultipleMode (boolean b) {
- setMultipleSelections(b);
- }
-
- /* New method name for 1.1 */
- public Dimension getPreferredSize(int rows) {
- return preferredSize(rows);
- }
-
- /* New method name for 1.1 */
- public Dimension getMinimumSize(int rows) {
- return minimumSize(rows);
- }
-
- public void setForeground(Color c) {
- pSetInnerForeground(c);
- }
-
- public native void setBackground(Color c);
- public native void setMultipleSelections(boolean v);
- public native boolean isSelected(int index);
- public native void addItem(String item, int index);
- public native void delItems(int start, int end);
- public native void select(int index);
- public native void deselect(int index);
- public native void makeVisible(int index);
-
- public void clear() {
- List l = (List)target;
- int count = l.countItems();
- if (count > 0) {
- delItems(0, count-1);
- }
- }
-
- public int[] getSelectedIndexes() {
- List l = (List)target;
- int len = l.countItems();
- int sel[] = new int[len];
- int nsel = 0;
- for (int i = 0 ; i < len ; i++) {
- if (isSelected(i)) {
- sel[nsel++] = i;
- }
- }
- int selected[] = new int[nsel];
- System.arraycopy(sel, 0, selected, 0, nsel);
- return selected;
- }
-
- // NOTE: This method may be called by privileged threads.
- // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
- public void action(int index, final long when, final int modifiers) {
- final List list = (List)target;
- final int selectIndex = index;
-
- MToolkit.executeOnEventHandlerThread(list, new Runnable() {
- public void run() {
- list.select(selectIndex);
- postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED,
- list.getItem(selectIndex), when,
- modifiers));
- }
- });
- } // action()
-
- // NOTE: This method may be called by privileged threads.
- // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
- public void handleListChanged(int index) {
- final MListPeer listPeer = this;
- final List list = (List)target;
- final int listIndex = index;
-
- MToolkit.executeOnEventHandlerThread(list, new Runnable() {
- public void run() {
- int selected[] = listPeer.getSelectedIndexes();
- boolean isSelected = false;
-
- for (int i=0; i < selected.length; i++) {
- if (listIndex == selected[i]) {
- isSelected = true;
- break;
- }
- }
- postEvent(new ItemEvent(list, ItemEvent.ITEM_STATE_CHANGED,
- Integer.valueOf(listIndex),
- isSelected? ItemEvent.SELECTED : ItemEvent.DESELECTED));
-
- }
- });
- } // handleListChanged()
-
- public Dimension minimumSize() {
- return minimumSize(4);
- }
-
- public Dimension preferredSize(int v) {
- return minimumSize(v);
- }
-
- public Dimension minimumSize(int v) {
- FontMetrics fm = getFontMetrics(((List)target).getFont());
- return new Dimension(SCROLLBAR + 2*MARGIN +
- fm.stringWidth("0123456789abcde"),
- ((fm.getHeight()+2*SPACE) * v) +
- 2*MARGIN);
- }
-
- public boolean isFocusable() {
- return true;
- }
-
- /*
- * Print the native component by rendering the Motif look ourselves.
- * ToDo(aim): needs to query native motif for more accurate size and
- * color information, selected items, and item offset.
- */
- final static int MARGIN = 2;
- final static int SPACE = 1;
- final static int SCROLLBAR = 16;
- int fontHeight;
- int fontAscent;
- int fontLeading;
- int vval;
- int hval;
- int vmax;
- int hmax;
-
- public void print(Graphics g) {
- List l = (List)target;
- Dimension d = l.size();
- Color bg = l.getBackground();
- Color fg = l.getForeground();
- int numItems = l.getItemCount();
- FontMetrics fm = getFontMetrics(l.getFont());
- int w, h;
- int vvis, hvis, vmin, hmin;
- int max = 0;
-
- for (int i = 0; i < numItems; i++) {
- int len = fm.stringWidth(l.getItem(i));
- max = Math.max(max, len);
- }
-
- fontHeight = fm.getHeight();
- fontAscent = fm.getAscent();
- fontLeading = fm.getLeading();
-
- hmin = vmin = 0;
-
- vvis = itemsInWindow(true);
- vmax = Math.max(numItems - vvis, 0);
- h = d.height - SCROLLBAR;
-
- if (vmax != 0) {
- w = d.width - SCROLLBAR;
- hvis = w - ((2 * SPACE) + (2 * MARGIN));
- hmax = Math.max(max - hvis, 0);
- } else {
- w = d.width;
- hvis = w - ((2 * SPACE) + (2 * MARGIN));
- hmax = Math.max(max - hvis, 0);
- }
- if (hmax == 0) {
- h = d.height;
- vvis = itemsInWindow(false);
- vmax = Math.max(numItems - vvis, 0);
- }
- if (vmax == 0) {
- w = d.width;
- hvis = w - ((2 * SPACE) + (2 * MARGIN));
- hmax = Math.max(max - hvis, 0);
- }
-
- hval = 0;
- vval = 0;
- /*
-System.out.println("print List: "+d.width+"x"+d.height+" numItems="+numItems+
-"max="+max+" vsb=("+vmin+".."+vmax+","+vval+","+vvis+
-") hsb=("+hmin+".."+hmax+","+hval+","+hvis+")");
-*/
-
- g.setColor(bg);
- g.fillRect(0, 0, w, h);
-
- if (hmax != 0) {
- int sbw = d.width - ((vmax == 0) ? 0 : SCROLLBAR);
- g.fillRect(1, d.height - SCROLLBAR - 3, sbw - 1, SCROLLBAR - 3);
- Graphics ng = g.create();
- try {
- ng.translate(0, d.height - (SCROLLBAR - 2));
- drawScrollbar(ng, bg, SCROLLBAR - 2, sbw,
- hmin, hmax, hval, hvis, true);
- } finally {
- ng.dispose();
- }
- }
- if (vmax != 0) {
- int sbh = d.height - ((hmax == 0) ? 0 : SCROLLBAR);
- g.fillRect(d.width - SCROLLBAR - 3, 1, SCROLLBAR - 3, sbh - 1);
- Graphics ng = g.create();
- try {
- ng.translate(d.width - (SCROLLBAR - 2), 0);
- drawScrollbar(ng, bg, SCROLLBAR - 2, sbh,
- vmin, vmax, vval, vvis, false);
- } finally {
- ng.dispose();
- }
- }
-
- draw3DRect(g, bg, 0, 0, w - 1, h - 1, false);
-
- if (numItems > 0) {
- int n = itemsInWindow(hmax != 0);
- int e = Math.min(numItems - 1, (vval + n) - 1);
- paintItems(g, bg, fg, vval, e);
- }
-
- target.print(g);
- }
-
- int itemsInWindow(boolean scrollbarVisible) {
- Dimension d = target.size();
- int h;
- if (scrollbarVisible) {
- h = d.height - ((2 * MARGIN) + SCROLLBAR);
- } else {
- h = d.height - 2*MARGIN;
- }
- int i = fontHeight - fontLeading;
- return h / (i + (2 * SPACE));
- }
-
- void paintItem(Graphics g, Color bg, Color fg, int index, boolean isSelected) {
- List l = (List)target;
- Dimension d = l.size();
- int numItems = l.getItemCount();
- Color shadow = bg.darker();
-
- if ((index < vval) || (index >= (vval + itemsInWindow(hmax != 0)))) {
- return;
- }
- int w = d.width - ((2 * MARGIN) + ((vmax != 0)? SCROLLBAR : 0));
- int h = (fontHeight - fontLeading);
- int htotal = h + (2 * SPACE);
- int index2y = MARGIN + (index * htotal) + SPACE;
- int y = index2y - (vval * htotal);
- int x = MARGIN + SPACE;
- Graphics ng = g.create();
- try {
- if (index > numItems - 1) {
- ng.setColor(bg);
- ng.fillRect(x - 2, y - 2, w, h + 4);
- return;
- }
- if (isSelected) {
- ng.setColor(shadow);
- ng.fillRect(x - 1, y - 1, w - 2, h + 2);
- } else {
- ng.setColor(bg);
- ng.fillRect(x - 1, y - 1, w - 2, h + 2);
- }
- ng.setColor(bg);
-
- ng.drawRect(x - 2, y - 2, w - 1, h + 3);
- ng.setColor(fg);
- String str = (String)l.getItem(index);
- ng.clipRect(x, y, w - (2 * SPACE), h);
- ng.drawString(str, x - hval, y + fontAscent);
- } finally {
- ng.dispose();
- }
- }
-
- void paintItems(Graphics g, Color bg, Color fg, int s, int e) {
- for (int i = s ; i <= e ; i++) {
- paintItem(g, bg, fg, i, false);
- }
- }
-
- public boolean handlesWheelScrolling() {return true;}
-
- public void handleEvent(AWTEvent e) {
- if (e.getID() == MouseEvent.MOUSE_WHEEL) {
- MouseWheelEvent mwe = (MouseWheelEvent)e;
- nativeHandleMouseWheel(mwe.getScrollType(),
- mwe.getScrollAmount(),
- mwe.getWheelRotation());
- }
- else {
- super.handleEvent(e);
- }
- }
-
- native void nativeHandleMouseWheel(int scrollType,
- int scrollAmount,
- int wheelRotation);
-}