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/*
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* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package sun.awt.X11;
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import java.awt.*;
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import java.awt.peer.*;
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import java.awt.event.*;
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import java.util.logging.*;
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// FIXME: tab traversal should be disabled when mouse is captured (4816336)
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// FIXME: key and mouse events should not be delivered to listeners when the Choice is unfurled. Must override handleNativeKey/MouseEvent (4816336)
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// FIXME: test programmatic add/remove/clear/etc
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// FIXME: account for unfurling at the edge of the screen
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// Note: can't set x,y on layout(), 'cause moving the top-level to the
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// edge of the screen won't call layout(). Just do it on paint, I guess
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// TODO: make painting more efficient (i.e. when down arrow is pressed, only two items should need to be repainted.
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public class XChoicePeer extends XComponentPeer implements ChoicePeer, ToplevelStateListener {
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private static final Logger log = Logger.getLogger("sun.awt.X11.XChoicePeer");
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private static final int MAX_UNFURLED_ITEMS = 10; // Maximum number of
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// items to be displayed
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// at a time in an
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// unfurled Choice
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// Description of these constants in ListHelper
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public final static int TEXT_SPACE = 1;
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public final static int BORDER_WIDTH = 1;
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public final static int ITEM_MARGIN = 1;
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public final static int SCROLLBAR_WIDTH = 15;
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// SHARE THESE!
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private static final Insets focusInsets = new Insets(0,0,0,0);
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static final int WIDGET_OFFSET = 18;
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// Stolen from Tiny
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static final int TEXT_XPAD = 8;
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static final int TEXT_YPAD = 6;
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// FIXME: Motif uses a different focus color for the item within
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// the unfurled Choice list and for when the Choice itself is focused and
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// popped up.
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static final Color focusColor = Color.black;
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// TODO: there is a time value that the mouse is held down. If short
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// enough, the Choice stays popped down. If long enough, Choice
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// is furled when the mouse is released
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private boolean unfurled = false; // Choice list is popped down
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private boolean dragging = false; // Mouse was pressed and is being
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// dragged over the (unfurled)
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// Choice
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private boolean mouseInSB = false; // Mouse is interacting with the
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// scrollbar
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private boolean firstPress = false; // mouse was pressed on
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// furled Choice so we
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// not need to furl the
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// Choice when MOUSE_RELEASED occured
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// 6425067. Mouse was pressed on furled choice and dropdown list appeared over Choice itself
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// and then there were no mouse movements until MOUSE_RELEASE.
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// This scenario leads to ItemStateChanged as the choice logic uses
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// MouseReleased event to send ItemStateChanged. To prevent it we should
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// use a combination of firstPress and wasDragged variables.
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// The only difference in dragging and wasDragged is: last one will not
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// set to false on mouse ungrab. It become false after MouseRelased() finishes.
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private boolean wasDragged = false;
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private ListHelper helper;
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private UnfurledChoice unfurledChoice;
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// TODO: Choice remembers where it was scrolled to when unfurled - it's not
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// always to the currently selected item.
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// Indicates whether or not to paint selected item in the choice.
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// Default is to paint
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private boolean drawSelectedItem = true;
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// If set, indicates components under which choice popup should be showed.
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// The choice's popup width and location should be adjust to appear
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// under both choice and alignUnder component.
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private Component alignUnder;
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// If cursor is outside of an unfurled Choice when the mouse is
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// released, Choice item should NOT be updated. Remember the proper index.
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private int dragStartIdx = -1;
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// Holds the listener (XFileDialogPeer) which the processing events from the choice
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// See 6240074 for more information
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private XChoicePeerListener choiceListener;
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XChoicePeer(Choice target) {
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super(target);
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}
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void preInit(XCreateWindowParams params) {
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super.preInit(params);
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Choice target = (Choice)this.target;
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int numItems = target.getItemCount();
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unfurledChoice = new UnfurledChoice(target);
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getToplevelXWindow().addToplevelStateListener(this);
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helper = new ListHelper(unfurledChoice,
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getGUIcolors(),
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numItems,
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false,
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true,
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false,
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target.getFont(),
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MAX_UNFURLED_ITEMS,
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TEXT_SPACE,
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ITEM_MARGIN,
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BORDER_WIDTH,
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SCROLLBAR_WIDTH);
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}
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void postInit(XCreateWindowParams params) {
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super.postInit(params);
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Choice target = (Choice)this.target;
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int numItems = target.getItemCount();
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// Add all items
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for (int i = 0; i < numItems; i++) {
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helper.add(target.getItem(i));
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}
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if (!helper.isEmpty()) {
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helper.select(target.getSelectedIndex());
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helper.setFocusedIndex(target.getSelectedIndex());
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}
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helper.updateColors(getGUIcolors());
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updateMotifColors(getPeerBackground());
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}
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public boolean isFocusable() { return true; }
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// 6399679. check if super.setBounds() actually changes the size of the
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// component and then compare current Choice size with a new one. If
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// they differs then hide dropdown menu
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public void setBounds(int x, int y, int width, int height, int op) {
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int oldX = this.x;
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int oldY = this.y;
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int oldWidth = this.width;
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int oldHeight = this.height;
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super.setBounds(x, y, width, height, op);
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if (unfurled && (oldX != this.x || oldY != this.y || oldWidth != this.width || oldHeight != this.height) ) {
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hidePopdownMenu();
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}
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}
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public void focusGained(FocusEvent e) {
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// TODO: only need to paint the focus bit
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super.focusGained(e);
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repaint();
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}
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/*
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* Fix for 6246503 : Disabling a choice after selection locks keyboard, mouse and makes the system unusable, Xtoolkit
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* if setEnabled(false) invoked we should close opened choice in
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* order to prevent keyboard/mouse lock.
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*/
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public void setEnabled(boolean value) {
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super.setEnabled(value);
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helper.updateColors(getGUIcolors());
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if (!value && unfurled){
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hidePopdownMenu();
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}
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}
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public void focusLost(FocusEvent e) {
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// TODO: only need to paint the focus bit?
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super.focusLost(e);
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repaint();
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}
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void ungrabInputImpl() {
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if (unfurled) {
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unfurled = false;
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dragging = false;
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mouseInSB = false;
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unfurledChoice.setVisible(false);
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}
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super.ungrabInputImpl();
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}
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void handleJavaKeyEvent(KeyEvent e) {
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if (e.getID() == KeyEvent.KEY_PRESSED) {
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keyPressed(e);
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}
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}
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public void keyPressed(KeyEvent e) {
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switch(e.getKeyCode()) {
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// UP & DOWN are same if furled or unfurled
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case KeyEvent.VK_DOWN:
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case KeyEvent.VK_KP_DOWN: {
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if (helper.getItemCount() > 1) {
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helper.down();
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int newIdx = helper.getSelectedIndex();
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((Choice)target).select(newIdx);
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postEvent(new ItemEvent((Choice)target,
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ItemEvent.ITEM_STATE_CHANGED,
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((Choice)target).getItem(newIdx),
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ItemEvent.SELECTED));
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repaint();
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}
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break;
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}
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case KeyEvent.VK_UP:
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case KeyEvent.VK_KP_UP: {
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if (helper.getItemCount() > 1) {
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helper.up();
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int newIdx = helper.getSelectedIndex();
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((Choice)target).select(newIdx);
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postEvent(new ItemEvent((Choice)target,
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ItemEvent.ITEM_STATE_CHANGED,
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((Choice)target).getItem(newIdx),
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ItemEvent.SELECTED));
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repaint();
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}
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break;
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}
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case KeyEvent.VK_PAGE_DOWN:
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if (unfurled && !dragging) {
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int oldIdx = helper.getSelectedIndex();
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helper.pageDown();
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int newIdx = helper.getSelectedIndex();
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if (oldIdx != newIdx) {
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((Choice)target).select(newIdx);
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postEvent(new ItemEvent((Choice)target,
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ItemEvent.ITEM_STATE_CHANGED,
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((Choice)target).getItem(newIdx),
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ItemEvent.SELECTED));
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repaint();
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}
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}
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break;
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case KeyEvent.VK_PAGE_UP:
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if (unfurled && !dragging) {
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int oldIdx = helper.getSelectedIndex();
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helper.pageUp();
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int newIdx = helper.getSelectedIndex();
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if (oldIdx != newIdx) {
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((Choice)target).select(newIdx);
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postEvent(new ItemEvent((Choice)target,
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ItemEvent.ITEM_STATE_CHANGED,
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((Choice)target).getItem(newIdx),
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ItemEvent.SELECTED));
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repaint();
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}
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}
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break;
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case KeyEvent.VK_ESCAPE:
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case KeyEvent.VK_ENTER:
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if (unfurled) {
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if (dragging){
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if (e.getKeyCode() == KeyEvent.VK_ESCAPE){
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//This also happens on
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// - MouseButton2,3, etc. press
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// - ENTER press
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helper.select(dragStartIdx);
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} else { //KeyEvent.VK_ENTER:
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int newIdx = helper.getSelectedIndex();
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((Choice)target).select(newIdx);
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postEvent(new ItemEvent((Choice)target,
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ItemEvent.ITEM_STATE_CHANGED,
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((Choice)target).getItem(newIdx),
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ItemEvent.SELECTED));
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}
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}
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hidePopdownMenu();
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dragging = false;
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wasDragged = false;
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mouseInSB = false;
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// See 6240074 for more information
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if (choiceListener != null){
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choiceListener.unfurledChoiceClosing();
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}
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}
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break;
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default:
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if (unfurled) {
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Toolkit.getDefaultToolkit().beep();
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}
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break;
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}
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}
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public boolean handlesWheelScrolling() { return true; }
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void handleJavaMouseWheelEvent(MouseWheelEvent e) {
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if (unfurled && helper.isVSBVisible()) {
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if (ListHelper.doWheelScroll(helper.getVSB(), null, e)) {
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repaint();
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}
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}
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}
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void handleJavaMouseEvent(MouseEvent e) {
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super.handleJavaMouseEvent(e);
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int i = e.getID();
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switch (i) {
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case MouseEvent.MOUSE_PRESSED:
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mousePressed(e);
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break;
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case MouseEvent.MOUSE_RELEASED:
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mouseReleased(e);
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break;
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case MouseEvent.MOUSE_DRAGGED:
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mouseDragged(e);
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break;
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}
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}
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public void mousePressed(MouseEvent e) {
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/*
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* fix for 5003166: a Choice on XAWT shouldn't react to any
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* mouse button presses except left. This involves presses on
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* Choice but not on opened part of choice.
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*/
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if (e.getButton() == MouseEvent.BUTTON1){
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dragStartIdx = helper.getSelectedIndex();
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if (unfurled) {
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//fix 6259328: PIT: Choice scrolls when dragging the parent frame while drop-down is active, XToolkit
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if (! (isMouseEventInChoice(e) ||
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unfurledChoice.isMouseEventInside(e)))
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{
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hidePopdownMenu();
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}
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// Press on unfurled Choice. Highlight the item under the cursor,
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// but don't send item event or set the text on the button yet
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unfurledChoice.trackMouse(e);
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}
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else {
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// Choice is up - unfurl it
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grabInput();
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unfurledChoice.toFront();
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firstPress = true;
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wasDragged = false;
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unfurled = true;
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}
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}
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}
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/*
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* helper method for mouseReleased routine
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*/
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void hidePopdownMenu(){
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ungrabInput();
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unfurledChoice.setVisible(false);
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unfurled = false;
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}
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public void mouseReleased(MouseEvent e) {
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if (unfurled) {
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if (mouseInSB) {
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unfurledChoice.trackMouse(e);
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}
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else {
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// We pressed and dragged onto the Choice, or, this is the
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// second release after clicking to make the Choice "stick"
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// unfurled.
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// This release should ungrab/furl, and set the new item if
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// release was over the unfurled Choice.
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// Fix for 6239944 : Choice shouldn't close its
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// pop-down menu if user presses Mouse on Choice's Scrollbar
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// some additional cases like releasing mouse outside
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// of Choice are considered too
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boolean isMouseEventInside = unfurledChoice.isMouseEventInside( e );
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boolean isMouseInListArea = unfurledChoice.isMouseInListArea( e );
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406 |
// Fixed 6318746: REG: File Selection is failing
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407 |
// We shouldn't restore the selected item
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408 |
// if the mouse was dragged outside the drop-down choice area
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409 |
if (!helper.isEmpty() && !isMouseInListArea && dragging) {
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410 |
// Set the selected item back how it was.
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411 |
((Choice)target).select(dragStartIdx);
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}
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414 |
// Choice must be closed if user releases mouse on
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415 |
// pop-down menu on the second click
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if ( !firstPress && isMouseInListArea) {
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hidePopdownMenu();
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}
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// Choice must be closed if user releases mouse
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420 |
// outside of Choice's pop-down menu on the second click
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421 |
if ( !firstPress && !isMouseEventInside) {
|
|
422 |
hidePopdownMenu();
|
|
423 |
}
|
|
424 |
//if user drags Mouse on pop-down menu, Scrollbar or
|
|
425 |
// outside the Choice
|
|
426 |
if ( firstPress && dragging) {
|
|
427 |
hidePopdownMenu();
|
|
428 |
}
|
|
429 |
/* this could happen when user has opened a Choice and
|
|
430 |
* released mouse button. Then he drags mouse on the
|
|
431 |
* Scrollbar and releases mouse again.
|
|
432 |
*/
|
|
433 |
if ( !firstPress && !isMouseInListArea &&
|
|
434 |
isMouseEventInside && dragging)
|
|
435 |
{
|
|
436 |
hidePopdownMenu();
|
|
437 |
}
|
|
438 |
|
|
439 |
if (!helper.isEmpty()) {
|
|
440 |
// Only update the Choice if the mouse button is released
|
|
441 |
// over the list of items.
|
|
442 |
if (unfurledChoice.isMouseInListArea(e)) {
|
|
443 |
int newIdx = helper.getSelectedIndex();
|
|
444 |
if (newIdx >= 0) {
|
|
445 |
// Update the selected item in the target now that
|
|
446 |
// the mouse selection is complete.
|
|
447 |
if (newIdx != dragStartIdx) {
|
|
448 |
((Choice)target).select(newIdx);
|
|
449 |
// NOTE: We get a repaint when Choice.select()
|
|
450 |
// calls our peer.select().
|
|
451 |
}
|
|
452 |
if (wasDragged && e.getButton() != MouseEvent.BUTTON1){
|
|
453 |
((Choice)target).select(dragStartIdx);
|
|
454 |
}
|
|
455 |
|
|
456 |
/*fix for 6239941 : Choice triggers ItemEvent when selecting an item with right mouse button, Xtoolkit
|
|
457 |
* We should generate ItemEvent if only
|
|
458 |
* LeftMouseButton used */
|
|
459 |
if (e.getButton() == MouseEvent.BUTTON1 &&
|
|
460 |
(!firstPress || wasDragged ))
|
|
461 |
{
|
|
462 |
postEvent(new ItemEvent((Choice)target,
|
|
463 |
ItemEvent.ITEM_STATE_CHANGED,
|
|
464 |
((Choice)target).getItem(newIdx),
|
|
465 |
ItemEvent.SELECTED));
|
|
466 |
}
|
|
467 |
|
|
468 |
// see 6240074 for more information
|
|
469 |
if (choiceListener != null) {
|
|
470 |
choiceListener.unfurledChoiceClosing();
|
|
471 |
}
|
|
472 |
}
|
|
473 |
}
|
|
474 |
}
|
|
475 |
// See 6243382 for more information
|
|
476 |
unfurledChoice.trackMouse(e);
|
|
477 |
}
|
|
478 |
}
|
|
479 |
|
|
480 |
dragging = false;
|
|
481 |
wasDragged = false;
|
|
482 |
firstPress = false;
|
|
483 |
dragStartIdx = -1;
|
|
484 |
}
|
|
485 |
|
|
486 |
public void mouseDragged(MouseEvent e) {
|
|
487 |
/*
|
|
488 |
* fix for 5003166. On Motif user are unable to drag
|
|
489 |
* mouse inside opened Choice if he drags the mouse with
|
|
490 |
* different from LEFT mouse button ( e.g. RIGHT or MIDDLE).
|
|
491 |
* This fix make impossible to drag mouse inside opened choice
|
|
492 |
* with other mouse buttons rather then LEFT one.
|
|
493 |
*/
|
|
494 |
if ( e.getModifiers() == MouseEvent.BUTTON1_MASK ){
|
|
495 |
dragging = true;
|
|
496 |
wasDragged = true;
|
|
497 |
unfurledChoice.trackMouse(e);
|
|
498 |
}
|
|
499 |
}
|
|
500 |
|
|
501 |
// Stolen from TinyChoicePeer
|
|
502 |
public Dimension getMinimumSize() {
|
|
503 |
// TODO: move this impl into ListHelper?
|
|
504 |
FontMetrics fm = getFontMetrics(target.getFont());
|
|
505 |
Choice c = (Choice)target;
|
|
506 |
int w = 0;
|
|
507 |
for (int i = c.countItems() ; i-- > 0 ;) {
|
|
508 |
w = Math.max(fm.stringWidth(c.getItem(i)), w);
|
|
509 |
}
|
|
510 |
return new Dimension(w + TEXT_XPAD + WIDGET_OFFSET,
|
|
511 |
fm.getMaxAscent() + fm.getMaxDescent() + TEXT_YPAD);
|
|
512 |
}
|
|
513 |
|
|
514 |
/*
|
|
515 |
* Layout the...
|
|
516 |
*/
|
|
517 |
public void layout() {
|
|
518 |
/*
|
|
519 |
Dimension size = target.getSize();
|
|
520 |
Font f = target.getFont();
|
|
521 |
FontMetrics fm = target.getFontMetrics(f);
|
|
522 |
String text = ((Choice)target).getLabel();
|
|
523 |
|
|
524 |
textRect.height = fm.getHeight();
|
|
525 |
|
|
526 |
checkBoxSize = getChoiceSize(fm);
|
|
527 |
|
|
528 |
// Note - Motif appears to use an left inset that is slightly
|
|
529 |
// scaled to the checkbox/font size.
|
|
530 |
cbX = borderInsets.left + checkBoxInsetFromText;
|
|
531 |
cbY = size.height / 2 - checkBoxSize / 2;
|
|
532 |
int minTextX = borderInsets.left + 2 * checkBoxInsetFromText + checkBoxSize;
|
|
533 |
// FIXME: will need to account for alignment?
|
|
534 |
// FIXME: call layout() on alignment changes
|
|
535 |
//textRect.width = fm.stringWidth(text);
|
|
536 |
textRect.width = fm.stringWidth(text == null ? "" : text);
|
|
537 |
textRect.x = Math.max(minTextX, size.width / 2 - textRect.width / 2);
|
|
538 |
textRect.y = size.height / 2 - textRect.height / 2 + borderInsets.top;
|
|
539 |
|
|
540 |
focusRect.x = focusInsets.left;
|
|
541 |
focusRect.y = focusInsets.top;
|
|
542 |
focusRect.width = size.width-(focusInsets.left+focusInsets.right)-1;
|
|
543 |
focusRect.height = size.height-(focusInsets.top+focusInsets.bottom)-1;
|
|
544 |
|
|
545 |
myCheckMark = AffineTransform.getScaleInstance((double)target.getFont().getSize() / MASTER_SIZE, (double)target.getFont().getSize() / MASTER_SIZE).createTransformedShape(MASTER_CHECKMARK);
|
|
546 |
*/
|
|
547 |
|
|
548 |
}
|
|
549 |
|
|
550 |
/**
|
|
551 |
* Paint the choice
|
|
552 |
*/
|
|
553 |
public void paint(Graphics g) {
|
|
554 |
flush();
|
|
555 |
Dimension size = getPeerSize();
|
|
556 |
|
|
557 |
// TODO: when mouse is down over button, widget should be drawn depressed
|
|
558 |
g.setColor(getPeerBackground());
|
|
559 |
g.fillRect(0, 0, width, height);
|
|
560 |
|
|
561 |
drawMotif3DRect(g, 1, 1, width-2, height-2, false);
|
|
562 |
drawMotif3DRect(g, width - WIDGET_OFFSET, (height / 2) - 3, 12, 6, false);
|
|
563 |
|
|
564 |
if (!helper.isEmpty() && helper.getSelectedIndex() != -1) {
|
|
565 |
g.setFont(getPeerFont());
|
|
566 |
FontMetrics fm = g.getFontMetrics();
|
|
567 |
String lbl = helper.getItem(helper.getSelectedIndex());
|
|
568 |
if (lbl != null && drawSelectedItem) {
|
|
569 |
g.setClip(1, 1, width - WIDGET_OFFSET - 2, height);
|
|
570 |
if (isEnabled()) {
|
|
571 |
g.setColor(getPeerForeground());
|
|
572 |
g.drawString(lbl, 5, (height + fm.getMaxAscent()-fm.getMaxDescent())/2);
|
|
573 |
}
|
|
574 |
else {
|
|
575 |
g.setColor(getPeerBackground().brighter());
|
|
576 |
g.drawString(lbl, 5, (height + fm.getMaxAscent()-fm.getMaxDescent())/2);
|
|
577 |
g.setColor(getPeerBackground().darker());
|
|
578 |
g.drawString(lbl, 4, ((height + fm.getMaxAscent()-fm.getMaxDescent())/2)-1);
|
|
579 |
}
|
|
580 |
g.setClip(0, 0, width, height);
|
|
581 |
}
|
|
582 |
}
|
|
583 |
if (hasFocus()) {
|
|
584 |
paintFocus(g,focusInsets.left,focusInsets.top,size.width-(focusInsets.left+focusInsets.right)-1,size.height-(focusInsets.top+focusInsets.bottom)-1);
|
|
585 |
}
|
|
586 |
if (unfurled) {
|
|
587 |
unfurledChoice.repaint();
|
|
588 |
}
|
|
589 |
flush();
|
|
590 |
}
|
|
591 |
|
|
592 |
protected void paintFocus(Graphics g,
|
|
593 |
int x, int y, int w, int h) {
|
|
594 |
g.setColor(focusColor);
|
|
595 |
g.drawRect(x,y,w,h);
|
|
596 |
}
|
|
597 |
|
|
598 |
|
|
599 |
|
|
600 |
/*
|
|
601 |
* ChoicePeer methods stolen from TinyChoicePeer
|
|
602 |
*/
|
|
603 |
|
|
604 |
public void select(int index) {
|
|
605 |
helper.select(index);
|
|
606 |
helper.setFocusedIndex(index);
|
|
607 |
repaint();
|
|
608 |
}
|
|
609 |
|
|
610 |
public void add(String item, int index) {
|
|
611 |
helper.add(item, index);
|
|
612 |
repaint();
|
|
613 |
}
|
|
614 |
|
|
615 |
public void remove(int index) {
|
|
616 |
boolean selected = (index == helper.getSelectedIndex());
|
|
617 |
boolean visibled = (index >= helper.firstDisplayedIndex() && index <= helper.lastDisplayedIndex());
|
|
618 |
helper.remove(index);
|
|
619 |
if (selected) {
|
|
620 |
if (helper.isEmpty()) {
|
|
621 |
helper.select(-1);
|
|
622 |
}
|
|
623 |
else {
|
|
624 |
helper.select(0);
|
|
625 |
}
|
|
626 |
}
|
|
627 |
/*
|
|
628 |
* Fix for 6248016
|
|
629 |
* After removing the item of the choice we need to reshape unfurled choice
|
|
630 |
* in order to keep actual bounds of the choice
|
|
631 |
*/
|
|
632 |
|
|
633 |
/*
|
|
634 |
* condition added only for performance
|
|
635 |
*/
|
|
636 |
if (!unfurled) {
|
|
637 |
// Fix 6292186: PIT: Choice is not refreshed properly when the last item gets removed, XToolkit
|
|
638 |
// We should take into account that there is no 'select' invoking (hence 'repaint')
|
|
639 |
// if the choice is empty (see Choice.java method removeNoInvalidate())
|
|
640 |
// The condition isn't 'visibled' since it would be cause of the twice repainting
|
|
641 |
if (helper.isEmpty()) {
|
|
642 |
repaint();
|
|
643 |
}
|
|
644 |
return;
|
|
645 |
}
|
|
646 |
|
|
647 |
/*
|
|
648 |
* condition added only for performance
|
|
649 |
* the count of the visible items changed
|
|
650 |
*/
|
|
651 |
if (visibled){
|
|
652 |
Rectangle r = unfurledChoice.placeOnScreen();
|
|
653 |
unfurledChoice.reshape(r.x, r.y, r.width, r.height);
|
|
654 |
return;
|
|
655 |
}
|
|
656 |
|
|
657 |
/*
|
|
658 |
* condition added only for performance
|
|
659 |
* the structure of visible items changed
|
|
660 |
* if removable item is non visible and non selected then there is no repaint
|
|
661 |
*/
|
|
662 |
if (visibled || selected){
|
|
663 |
repaint();
|
|
664 |
}
|
|
665 |
}
|
|
666 |
|
|
667 |
public void removeAll() {
|
|
668 |
helper.removeAll();
|
|
669 |
helper.select(-1);
|
|
670 |
/*
|
|
671 |
* Fix for 6248016
|
|
672 |
* After removing the item of the choice we need to reshape unfurled choice
|
|
673 |
* in order to keep actual bounds of the choice
|
|
674 |
*/
|
|
675 |
Rectangle r = unfurledChoice.placeOnScreen();
|
|
676 |
unfurledChoice.reshape(r.x, r.y, r.width, r.height);
|
|
677 |
repaint();
|
|
678 |
}
|
|
679 |
|
|
680 |
/**
|
|
681 |
* DEPRECATED: Replaced by add(String, int).
|
|
682 |
*/
|
|
683 |
public void addItem(String item, int index) {
|
|
684 |
add(item, index);
|
|
685 |
}
|
|
686 |
|
|
687 |
public void setFont(Font font) {
|
|
688 |
super.setFont(font);
|
|
689 |
helper.setFont(this.font);
|
|
690 |
}
|
|
691 |
|
|
692 |
public void setForeground(Color c) {
|
|
693 |
super.setForeground(c);
|
|
694 |
helper.updateColors(getGUIcolors());
|
|
695 |
}
|
|
696 |
|
|
697 |
public void setBackground(Color c) {
|
|
698 |
super.setBackground(c);
|
|
699 |
unfurledChoice.setBackground(c);
|
|
700 |
helper.updateColors(getGUIcolors());
|
|
701 |
updateMotifColors(c);
|
|
702 |
}
|
|
703 |
|
|
704 |
public void setDrawSelectedItem(boolean value) {
|
|
705 |
drawSelectedItem = value;
|
|
706 |
}
|
|
707 |
|
|
708 |
public void setAlignUnder(Component comp) {
|
|
709 |
alignUnder = comp;
|
|
710 |
}
|
|
711 |
|
|
712 |
// see 6240074 for more information
|
|
713 |
public void addXChoicePeerListener(XChoicePeerListener l){
|
|
714 |
choiceListener = l;
|
|
715 |
}
|
|
716 |
|
|
717 |
// see 6240074 for more information
|
|
718 |
public void removeXChoicePeerListener(){
|
|
719 |
choiceListener = null;
|
|
720 |
}
|
|
721 |
|
|
722 |
public boolean isUnfurled(){
|
|
723 |
return unfurled;
|
|
724 |
}
|
|
725 |
|
|
726 |
/* fix for 6261352. We should detect if current parent Window (containing a Choice) become iconified and hide pop-down menu with grab release.
|
|
727 |
* In this case we should hide pop-down menu.
|
|
728 |
*/
|
|
729 |
//calls from XWindowPeer. Could accept X-styled state events
|
|
730 |
public void stateChangedICCCM(int oldState, int newState) {
|
|
731 |
if (unfurled && oldState != newState){
|
|
732 |
hidePopdownMenu();
|
|
733 |
}
|
|
734 |
}
|
|
735 |
|
|
736 |
//calls from XFramePeer. Could accept Frame's states.
|
|
737 |
public void stateChangedJava(int oldState, int newState) {
|
|
738 |
if (unfurled && oldState != newState){
|
|
739 |
hidePopdownMenu();
|
|
740 |
}
|
|
741 |
}
|
|
742 |
|
|
743 |
/**************************************************************************/
|
|
744 |
/* Common functionality between List & Choice
|
|
745 |
/**************************************************************************/
|
|
746 |
|
|
747 |
/**
|
|
748 |
* Inner class for the unfurled Choice list
|
|
749 |
* Much, much more docs
|
|
750 |
*/
|
|
751 |
class UnfurledChoice extends XWindow /*implements XScrollbarClient*/ {
|
|
752 |
|
|
753 |
// First try - use Choice as the target
|
|
754 |
|
|
755 |
public UnfurledChoice(Component target) {
|
|
756 |
super(target);
|
|
757 |
}
|
|
758 |
|
|
759 |
// Override so we can do our own create()
|
|
760 |
public void preInit(XCreateWindowParams params) {
|
|
761 |
// A parent of this window is the target, at this point: wrong.
|
|
762 |
// Remove parent window; in the following preInit() call we'll calculate as a default
|
|
763 |
// a correct root window which is the proper parent for override redirect.
|
|
764 |
params.delete(PARENT_WINDOW);
|
|
765 |
super.preInit(params);
|
|
766 |
// Reset bounds(we'll set them later), set overrideRedirect
|
|
767 |
params.remove(BOUNDS);
|
|
768 |
params.add(OVERRIDE_REDIRECT, Boolean.TRUE);
|
|
769 |
}
|
|
770 |
|
|
771 |
// Generally, bounds should be:
|
|
772 |
// x = target.x
|
|
773 |
// y = target.y + target.height
|
|
774 |
// w = Max(target.width, getLongestItemWidth) + possible vertScrollbar
|
|
775 |
// h = Min(MAX_UNFURLED_ITEMS, target.getItemCount()) * itemHeight
|
|
776 |
Rectangle placeOnScreen() {
|
|
777 |
int numItemsDisplayed;
|
|
778 |
// Motif paints an empty Choice the same size as a single item
|
|
779 |
if (helper.isEmpty()) {
|
|
780 |
numItemsDisplayed = 1;
|
|
781 |
}
|
|
782 |
else {
|
|
783 |
int numItems = helper.getItemCount();
|
|
784 |
numItemsDisplayed = Math.min(MAX_UNFURLED_ITEMS, numItems);
|
|
785 |
}
|
|
786 |
Point global = XChoicePeer.this.toGlobal(0,0);
|
|
787 |
Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
|
|
788 |
|
|
789 |
if (alignUnder != null) {
|
|
790 |
Rectangle choiceRec = XChoicePeer.this.getBounds();
|
|
791 |
choiceRec.setLocation(0, 0);
|
|
792 |
choiceRec = XChoicePeer.this.toGlobal(choiceRec);
|
|
793 |
Rectangle alignUnderRec = new Rectangle(alignUnder.getLocationOnScreen(), alignUnder.getSize()); // TODO: Security?
|
|
794 |
Rectangle result = choiceRec.union(alignUnderRec);
|
|
795 |
// we've got the left and width, calculate top and height
|
|
796 |
width = result.width;
|
|
797 |
x = result.x;
|
|
798 |
y = result.y + result.height;
|
|
799 |
height = 2*BORDER_WIDTH +
|
|
800 |
numItemsDisplayed*(helper.getItemHeight()+2*ITEM_MARGIN);
|
|
801 |
} else {
|
|
802 |
x = global.x;
|
|
803 |
y = global.y + XChoicePeer.this.height;
|
|
804 |
width = Math.max(XChoicePeer.this.width,
|
|
805 |
helper.getMaxItemWidth() + 2 * (BORDER_WIDTH + ITEM_MARGIN + TEXT_SPACE) + (helper.isVSBVisible() ? SCROLLBAR_WIDTH : 0));
|
|
806 |
height = 2*BORDER_WIDTH +
|
|
807 |
numItemsDisplayed*(helper.getItemHeight()+2*ITEM_MARGIN);
|
|
808 |
}
|
|
809 |
// Don't run off the edge of the screen
|
|
810 |
if (x < 0) {
|
|
811 |
x = 0;
|
|
812 |
}
|
|
813 |
else if (x + width > screen.width) {
|
|
814 |
x = screen.width - width;
|
|
815 |
}
|
|
816 |
|
|
817 |
if (y < 0) {
|
|
818 |
y = 0;
|
|
819 |
}
|
|
820 |
else if (y + height > screen.height) {
|
|
821 |
y = screen.height - height;
|
|
822 |
}
|
|
823 |
return new Rectangle(x, y, width, height);
|
|
824 |
}
|
|
825 |
|
|
826 |
public void toFront() {
|
|
827 |
// see 6240074 for more information
|
|
828 |
if (choiceListener != null)
|
|
829 |
choiceListener.unfurledChoiceOpening(helper);
|
|
830 |
|
|
831 |
Rectangle r = placeOnScreen();
|
|
832 |
reshape(r.x, r.y, r.width, r.height);
|
|
833 |
super.toFront();
|
|
834 |
setVisible(true);
|
|
835 |
}
|
|
836 |
|
|
837 |
/*
|
|
838 |
* Track a MouseEvent (either a drag or a press) and paint a new
|
|
839 |
* selected item, if necessary.
|
|
840 |
*/
|
|
841 |
// FIXME: first unfurl after move is not at edge of the screen onto second monitor doesn't
|
|
842 |
// track mouse correctly. Problem is w/ UnfurledChoice coords
|
|
843 |
public void trackMouse(MouseEvent e) {
|
|
844 |
// Event coords are relative to the button, so translate a bit
|
|
845 |
Point local = toLocalCoords(e);
|
|
846 |
|
|
847 |
// If x,y is over unfurled Choice,
|
|
848 |
// highlight item under cursor
|
|
849 |
|
|
850 |
switch (e.getID()) {
|
|
851 |
case MouseEvent.MOUSE_PRESSED:
|
|
852 |
// FIXME: If the Choice is unfurled and the mouse is pressed
|
|
853 |
// outside of the Choice, the mouse should ungrab on the
|
|
854 |
// the press, not the release
|
|
855 |
if (helper.isInVertSB(getBounds(), local.x, local.y)) {
|
|
856 |
mouseInSB = true;
|
|
857 |
helper.handleVSBEvent(e, getBounds(), local.x, local.y);
|
|
858 |
}
|
|
859 |
else {
|
|
860 |
trackSelection(local.x, local.y);
|
|
861 |
}
|
|
862 |
break;
|
|
863 |
case MouseEvent.MOUSE_RELEASED:
|
|
864 |
if (mouseInSB) {
|
|
865 |
mouseInSB = false;
|
|
866 |
helper.handleVSBEvent(e, getBounds(), local.x, local.y);
|
|
867 |
}else{
|
|
868 |
// See 6243382 for more information
|
|
869 |
helper.trackMouseReleasedScroll();
|
|
870 |
}
|
|
871 |
/*
|
|
872 |
else {
|
|
873 |
trackSelection(local.x, local.y);
|
|
874 |
}
|
|
875 |
*/
|
|
876 |
break;
|
|
877 |
case MouseEvent.MOUSE_DRAGGED:
|
|
878 |
if (mouseInSB) {
|
|
879 |
helper.handleVSBEvent(e, getBounds(), local.x, local.y);
|
|
880 |
}
|
|
881 |
else {
|
|
882 |
// See 6243382 for more information
|
|
883 |
helper.trackMouseDraggedScroll(local.x, local.y, width, height);
|
|
884 |
trackSelection(local.x, local.y);
|
|
885 |
}
|
|
886 |
break;
|
|
887 |
}
|
|
888 |
}
|
|
889 |
|
|
890 |
private void trackSelection(int transX, int transY) {
|
|
891 |
if (!helper.isEmpty()) {
|
|
892 |
if (transX > 0 && transX < width &&
|
|
893 |
transY > 0 && transY < height) {
|
|
894 |
int newIdx = helper.y2index(transY);
|
|
895 |
if (log.isLoggable(Level.FINE)) {
|
|
896 |
log.fine("transX=" + transX + ", transY=" + transY
|
|
897 |
+ ",width=" + width + ", height=" + height
|
|
898 |
+ ", newIdx=" + newIdx + " on " + target);
|
|
899 |
}
|
|
900 |
if ((newIdx >=0) && (newIdx < helper.getItemCount())
|
|
901 |
&& (newIdx != helper.getSelectedIndex()))
|
|
902 |
{
|
|
903 |
helper.select(newIdx);
|
|
904 |
unfurledChoice.repaint();
|
|
905 |
}
|
|
906 |
}
|
|
907 |
}
|
|
908 |
// FIXME: If dragged off top or bottom, scroll if there's a vsb
|
|
909 |
// (ICK - we'll need a timer or our own event or something)
|
|
910 |
}
|
|
911 |
|
|
912 |
/*
|
|
913 |
* fillRect with current Background color on the whole dropdown list.
|
|
914 |
*/
|
|
915 |
public void paintBackground(){
|
|
916 |
Graphics g = getGraphics();
|
|
917 |
g.setColor(getPeerBackground());
|
|
918 |
g.fillRect(0, 0, width, height);
|
|
919 |
}
|
|
920 |
|
|
921 |
/*
|
|
922 |
* 6405689. In some cases we should erase background to eliminate painting
|
|
923 |
* artefacts.
|
|
924 |
*/
|
|
925 |
public void repaint() {
|
|
926 |
if (!isVisible()) {
|
|
927 |
return;
|
|
928 |
}
|
|
929 |
if (helper.checkVsbVisibilityChangedAndReset()){
|
|
930 |
paintBackground();
|
|
931 |
}
|
|
932 |
super.repaint();
|
|
933 |
}
|
|
934 |
|
|
935 |
public void paint(Graphics g) {
|
|
936 |
//System.out.println("UC.paint()");
|
|
937 |
Choice choice = (Choice)target;
|
|
938 |
Color colors[] = XChoicePeer.this.getGUIcolors();
|
|
939 |
draw3DRect(g, getSystemColors(), 0, 0, width - 1, height - 1, true);
|
|
940 |
draw3DRect(g, getSystemColors(), 1, 1, width - 3, height - 3, true);
|
|
941 |
|
|
942 |
helper.paintAllItems(g,
|
|
943 |
colors,
|
|
944 |
getBounds());
|
|
945 |
}
|
|
946 |
|
|
947 |
public void setVisible(boolean vis) {
|
|
948 |
xSetVisible(vis);
|
|
949 |
|
|
950 |
if (!vis && alignUnder != null) {
|
|
951 |
alignUnder.requestFocusInWindow();
|
|
952 |
}
|
|
953 |
}
|
|
954 |
|
|
955 |
/**
|
|
956 |
* Return a MouseEvent's Point in coordinates relative to the
|
|
957 |
* UnfurledChoice.
|
|
958 |
*/
|
|
959 |
private Point toLocalCoords(MouseEvent e) {
|
|
960 |
// Event coords are relative to the button, so translate a bit
|
|
961 |
Point global = e.getLocationOnScreen();
|
|
962 |
|
|
963 |
global.x -= x;
|
|
964 |
global.y -= y;
|
|
965 |
return global;
|
|
966 |
}
|
|
967 |
|
|
968 |
/* Returns true if the MouseEvent coords (which are based on the Choice)
|
|
969 |
* are inside of the UnfurledChoice.
|
|
970 |
*/
|
|
971 |
private boolean isMouseEventInside(MouseEvent e) {
|
|
972 |
Point local = toLocalCoords(e);
|
|
973 |
if (local.x > 0 && local.x < width &&
|
|
974 |
local.y > 0 && local.y < height) {
|
|
975 |
return true;
|
|
976 |
}
|
|
977 |
return false;
|
|
978 |
}
|
|
979 |
|
|
980 |
/**
|
|
981 |
* Tests if the mouse cursor is in the Unfurled Choice, yet not
|
|
982 |
* in the vertical scrollbar
|
|
983 |
*/
|
|
984 |
private boolean isMouseInListArea(MouseEvent e) {
|
|
985 |
if (isMouseEventInside(e)) {
|
|
986 |
Point local = toLocalCoords(e);
|
|
987 |
Rectangle bounds = getBounds();
|
|
988 |
if (!helper.isInVertSB(bounds, local.x, local.y)) {
|
|
989 |
return true;
|
|
990 |
}
|
|
991 |
}
|
|
992 |
return false;
|
|
993 |
}
|
|
994 |
|
|
995 |
/*
|
|
996 |
* Overridden from XWindow() because we don't want to send
|
|
997 |
* ComponentEvents
|
|
998 |
*/
|
|
999 |
public void handleConfigureNotifyEvent(XEvent xev) {}
|
|
1000 |
public void handleMapNotifyEvent(XEvent xev) {}
|
|
1001 |
public void handleUnmapNotifyEvent(XEvent xev) {}
|
|
1002 |
} //UnfurledChoice
|
|
1003 |
|
|
1004 |
public void dispose() {
|
|
1005 |
if (unfurledChoice != null) {
|
|
1006 |
unfurledChoice.destroy();
|
|
1007 |
}
|
|
1008 |
super.dispose();
|
|
1009 |
}
|
|
1010 |
|
|
1011 |
/*
|
|
1012 |
* fix for 6239938 : Choice drop-down does not disappear when it loses
|
|
1013 |
* focus, on XToolkit
|
|
1014 |
* We are able to handle all _Key_ events received by Choice when
|
|
1015 |
* it is in opened state without sending it to EventQueue.
|
|
1016 |
* If Choice is in closed state we should behave like before: send
|
|
1017 |
* all events to EventQueue.
|
|
1018 |
* To be compatible with Motif we should handle all KeyEvents in
|
|
1019 |
* Choice if it is opened. KeyEvents should be sent into Java if Choice is not opened.
|
|
1020 |
*/
|
|
1021 |
boolean prePostEvent(final AWTEvent e) {
|
|
1022 |
if (unfurled){
|
|
1023 |
// fix for 6253211: PIT: MouseWheel events not triggered for Choice drop down in XAWT
|
|
1024 |
if (e instanceof MouseWheelEvent){
|
|
1025 |
return super.prePostEvent(e);
|
|
1026 |
}
|
|
1027 |
//fix 6252982: PIT: Keyboard FocusTraversal not working when choice's drop-down is visible, on XToolkit
|
|
1028 |
if (e instanceof KeyEvent){
|
|
1029 |
// notify XWindow that this event had been already handled and no need to post it again
|
|
1030 |
EventQueue.invokeLater(new Runnable() {
|
|
1031 |
public void run() {
|
|
1032 |
if(target.isFocusable() &&
|
|
1033 |
getParentTopLevel().isFocusableWindow() )
|
|
1034 |
{
|
|
1035 |
handleJavaKeyEvent((KeyEvent)e);
|
|
1036 |
}
|
|
1037 |
}
|
|
1038 |
});
|
|
1039 |
return true;
|
|
1040 |
} else {
|
|
1041 |
if (e instanceof MouseEvent){
|
|
1042 |
// Fix for 6240046 : REG:Choice's Drop-down does not disappear when clicking somewhere, after popup menu is disposed
|
|
1043 |
// if user presses Right Mouse Button on opened (unfurled)
|
|
1044 |
// Choice then we mustn't open a popup menu. We could filter
|
|
1045 |
// Mouse Events and handle them in XChoicePeer if Choice
|
|
1046 |
// currently in opened state.
|
|
1047 |
MouseEvent me = (MouseEvent)e;
|
|
1048 |
int eventId = e.getID();
|
|
1049 |
// fix 6251983: PIT: MouseDragged events not triggered
|
|
1050 |
// fix 6251988: PIT: Choice consumes MouseReleased, MouseClicked events when clicking it with left button,
|
|
1051 |
if ((unfurledChoice.isMouseEventInside(me) ||
|
|
1052 |
(!firstPress && eventId == MouseEvent.MOUSE_DRAGGED)))
|
|
1053 |
{
|
|
1054 |
return handleMouseEventByChoice(me);
|
|
1055 |
}
|
|
1056 |
// MouseMoved events should be fired in Choice's comp if it's not opened
|
|
1057 |
// Shouldn't generate Moved Events. CR : 6251995
|
|
1058 |
if (eventId == MouseEvent.MOUSE_MOVED){
|
|
1059 |
return handleMouseEventByChoice(me);
|
|
1060 |
}
|
|
1061 |
//fix for 6272965: PIT: Choice triggers MousePressed when pressing mouse outside comp while drop-down is active, XTkt
|
|
1062 |
if ( !firstPress && !( isMouseEventInChoice(me) ||
|
|
1063 |
unfurledChoice.isMouseEventInside(me)) &&
|
|
1064 |
( eventId == MouseEvent.MOUSE_PRESSED ||
|
|
1065 |
eventId == MouseEvent.MOUSE_RELEASED ||
|
|
1066 |
eventId == MouseEvent.MOUSE_CLICKED )
|
|
1067 |
)
|
|
1068 |
{
|
|
1069 |
return handleMouseEventByChoice(me);
|
|
1070 |
}
|
|
1071 |
}
|
|
1072 |
}//else KeyEvent
|
|
1073 |
}//if unfurled
|
|
1074 |
return super.prePostEvent(e);
|
|
1075 |
}
|
|
1076 |
|
|
1077 |
//convenient method
|
|
1078 |
//do not generate this kind of Events
|
|
1079 |
public boolean handleMouseEventByChoice(final MouseEvent me){
|
|
1080 |
EventQueue.invokeLater(new Runnable() {
|
|
1081 |
public void run() {
|
|
1082 |
handleJavaMouseEvent(me);
|
|
1083 |
}
|
|
1084 |
});
|
|
1085 |
return true;
|
|
1086 |
}
|
|
1087 |
|
|
1088 |
/* Returns true if the MouseEvent coords
|
|
1089 |
* are inside of the Choice itself (it doesnt's depends on
|
|
1090 |
* if this choice opened or not).
|
|
1091 |
*/
|
|
1092 |
private boolean isMouseEventInChoice(MouseEvent e) {
|
|
1093 |
int x = e.getX();
|
|
1094 |
int y = e.getY();
|
|
1095 |
Rectangle choiceRect = getBounds();
|
|
1096 |
|
|
1097 |
if (x < 0 || x > choiceRect.width ||
|
|
1098 |
y < 0 || y > choiceRect.height)
|
|
1099 |
{
|
|
1100 |
return false;
|
|
1101 |
}
|
|
1102 |
return true;
|
|
1103 |
}
|
|
1104 |
}
|
|
1105 |
|
|
1106 |
/*
|
|
1107 |
* The listener interface for receiving "interesting" for XFileDialogPeer
|
|
1108 |
* choice events (opening, closing).
|
|
1109 |
* The listener added by means of the method addXChoicePeerListener
|
|
1110 |
* A opening choice event is generated when the invoking unfurledChoice.toFront()
|
|
1111 |
* A closing choice event is generated at the time of the processing the mouse releasing
|
|
1112 |
* and the Enter pressing.
|
|
1113 |
* see 6240074 for more information
|
|
1114 |
*/
|
|
1115 |
interface XChoicePeerListener{
|
|
1116 |
public void unfurledChoiceOpening(ListHelper choiceHelper);
|
|
1117 |
public void unfurledChoiceClosing();
|
|
1118 |
}
|