| /* |
| * Copyright (c) 2002, 2008, 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.util.Vector; |
| import sun.awt.AWTAccessor; |
| import sun.util.logging.PlatformLogger; |
| |
| public class XPopupMenuPeer extends XMenuWindow implements PopupMenuPeer { |
| |
| /************************************************ |
| * |
| * Data members |
| * |
| ************************************************/ |
| private static PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XBaseMenuWindow"); |
| |
| /* |
| * Primary members |
| */ |
| private XComponentPeer componentPeer; |
| private PopupMenu popupMenuTarget; |
| |
| /* |
| * If mouse button is clicked on item showing submenu |
| * we have to hide its submenu. |
| * This member saves the submenu under cursor |
| * Only if it's showing |
| */ |
| private XMenuPeer showingMousePressedSubmenu = null; |
| |
| /* |
| * Painting constants |
| */ |
| private final static int CAPTION_MARGIN_TOP = 4; |
| private final static int CAPTION_SEPARATOR_HEIGHT = 6; |
| |
| /************************************************ |
| * |
| * Construction |
| * |
| ************************************************/ |
| XPopupMenuPeer(PopupMenu target) { |
| super(null); |
| this.popupMenuTarget = target; |
| } |
| |
| /************************************************ |
| * |
| * Implementation of interface methods |
| * |
| ************************************************/ |
| /* |
| * From MenuComponentPeer |
| */ |
| public void setFont(Font f) { |
| resetMapping(); |
| setItemsFont(f); |
| postPaintEvent(); |
| } |
| |
| /* |
| * From MenuItemPeer |
| */ |
| public void setLabel(String label) { |
| resetMapping(); |
| postPaintEvent(); |
| } |
| |
| |
| public void setEnabled(boolean enabled) { |
| postPaintEvent(); |
| } |
| |
| /** |
| * DEPRECATED: Replaced by setEnabled(boolean). |
| * @see java.awt.peer.MenuItemPeer |
| */ |
| public void enable() { |
| setEnabled( true ); |
| } |
| |
| /** |
| * DEPRECATED: Replaced by setEnabled(boolean). |
| * @see java.awt.peer.MenuItemPeer |
| */ |
| public void disable() { |
| setEnabled( false ); |
| } |
| |
| /* |
| * From MenuPeer |
| */ |
| /** |
| * addSeparator routines are not used |
| * in peers. Shared code invokes addItem("-") |
| * for adding separators |
| */ |
| public void addSeparator() { |
| if (log.isLoggable(PlatformLogger.FINER)) log.finer("addSeparator is not implemented"); |
| } |
| |
| /* |
| * From PopupMenuPeer |
| */ |
| public void show(Event e) { |
| target = (Component)e.target; |
| // Get menus from the target. |
| Vector targetItemVector = getMenuTargetItems(); |
| if (targetItemVector != null) { |
| reloadItems(targetItemVector); |
| //Fix for 6287092: JCK15a: api/java_awt/interactive/event/EventTests.html#EventTest0015 fails, mustang |
| Point tl = target.getLocationOnScreen(); |
| Point pt = new Point(tl.x + e.x, tl.y + e.y); |
| //Fixed 6266513: Incorrect key handling in XAWT popup menu |
| //No item should be selected when showing popup menu |
| if (!ensureCreated()) { |
| return; |
| } |
| Dimension dim = getDesiredSize(); |
| //Fix for 6267162: PIT: Popup Menu gets hidden below the screen when opened |
| //near the periphery of the screen, XToolkit |
| Rectangle bounds = getWindowBounds(pt, dim); |
| reshape(bounds); |
| xSetVisible(true); |
| toFront(); |
| selectItem(null, false); |
| grabInput(); |
| } |
| } |
| |
| /************************************************ |
| * |
| * Access to target's fields |
| * |
| ************************************************/ |
| |
| //Fix for 6267144: PIT: Popup menu label is not shown, XToolkit |
| Font getTargetFont() { |
| if (popupMenuTarget == null) { |
| return XWindow.getDefaultFont(); |
| } |
| return AWTAccessor.getMenuComponentAccessor() |
| .getFont_NoClientCode(popupMenuTarget); |
| } |
| |
| //Fix for 6267144: PIT: Popup menu label is not shown, XToolkit |
| String getTargetLabel() { |
| if (target == null) { |
| return ""; |
| } |
| return AWTAccessor.getMenuItemAccessor().getLabel(popupMenuTarget); |
| } |
| |
| //Fix for 6184485: Popup menu is not disabled on XToolkit even when calling setEnabled (false) |
| boolean isTargetEnabled() { |
| if (popupMenuTarget == null) { |
| return false; |
| } |
| return AWTAccessor.getMenuItemAccessor().isEnabled(popupMenuTarget); |
| } |
| |
| Vector getMenuTargetItems() { |
| if (popupMenuTarget == null) { |
| return null; |
| } |
| return AWTAccessor.getMenuAccessor().getItems(popupMenuTarget); |
| } |
| |
| /************************************************ |
| * |
| * Utility functions |
| * |
| ************************************************/ |
| |
| //Fix for 6267162: PIT: Popup Menu gets hidden below the screen when opened |
| //near the periphery of the screen, XToolkit |
| |
| /** |
| * Calculates placement of popup menu window |
| * given origin in global coordinates and |
| * size of menu window. Returns suggested |
| * rectangle for menu window in global coordinates |
| * @param origin the origin point specified in show() |
| * function converted to global coordinates |
| * @param windowSize the desired size of menu's window |
| */ |
| protected Rectangle getWindowBounds(Point origin, Dimension windowSize) { |
| Rectangle globalBounds = new Rectangle(origin.x, origin.y, 0, 0); |
| Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); |
| Rectangle res; |
| res = fitWindowRight(globalBounds, windowSize, screenSize); |
| if (res != null) { |
| return res; |
| } |
| res = fitWindowLeft(globalBounds, windowSize, screenSize); |
| if (res != null) { |
| return res; |
| } |
| res = fitWindowBelow(globalBounds, windowSize, screenSize); |
| if (res != null) { |
| return res; |
| } |
| res = fitWindowAbove(globalBounds, windowSize, screenSize); |
| if (res != null) { |
| return res; |
| } |
| return fitWindowToScreen(windowSize, screenSize); |
| } |
| |
| /************************************************ |
| * |
| * Overriden XMenuWindow caption-painting functions |
| * Necessary to fix 6267144: PIT: Popup menu label is not shown, XToolkit |
| * |
| ************************************************/ |
| /** |
| * Returns height of menu window's caption. |
| * Can be overriden for popup menus and tear-off menus |
| */ |
| protected Dimension getCaptionSize() { |
| String s = getTargetLabel(); |
| if (s.equals("")) { |
| return null; |
| } |
| Graphics g = getGraphics(); |
| if (g == null) { |
| return null; |
| } |
| try { |
| g.setFont(getTargetFont()); |
| FontMetrics fm = g.getFontMetrics(); |
| String str = getTargetLabel(); |
| int width = fm.stringWidth(str); |
| int height = CAPTION_MARGIN_TOP + fm.getHeight() + CAPTION_SEPARATOR_HEIGHT; |
| Dimension textDimension = new Dimension(width, height); |
| return textDimension; |
| } finally { |
| g.dispose(); |
| } |
| } |
| |
| /** |
| * Paints menu window's caption. |
| * Can be overriden for popup menus and tear-off menus. |
| * Default implementation does nothing |
| */ |
| protected void paintCaption(Graphics g, Rectangle rect) { |
| String s = getTargetLabel(); |
| if (s.equals("")) { |
| return; |
| } |
| g.setFont(getTargetFont()); |
| FontMetrics fm = g.getFontMetrics(); |
| String str = getTargetLabel(); |
| int width = fm.stringWidth(str); |
| int textx = rect.x + (rect.width - width) / 2; |
| int texty = rect.y + CAPTION_MARGIN_TOP + fm.getAscent(); |
| int sepy = rect.y + rect.height - CAPTION_SEPARATOR_HEIGHT / 2; |
| g.setColor(isTargetEnabled() ? getForegroundColor() : getDisabledColor()); |
| g.drawString(s, textx, texty); |
| draw3DRect(g, rect.x, sepy, rect.width, 2, false); |
| } |
| |
| /************************************************ |
| * |
| * Overriden XBaseMenuWindow functions |
| * |
| ************************************************/ |
| protected void doDispose() { |
| super.doDispose(); |
| XToolkit.targetDisposedPeer(popupMenuTarget, this); |
| } |
| |
| protected void handleEvent(AWTEvent event) { |
| switch(event.getID()) { |
| case MouseEvent.MOUSE_PRESSED: |
| case MouseEvent.MOUSE_RELEASED: |
| case MouseEvent.MOUSE_CLICKED: |
| case MouseEvent.MOUSE_MOVED: |
| case MouseEvent.MOUSE_ENTERED: |
| case MouseEvent.MOUSE_EXITED: |
| case MouseEvent.MOUSE_DRAGGED: |
| doHandleJavaMouseEvent((MouseEvent)event); |
| break; |
| case KeyEvent.KEY_PRESSED: |
| case KeyEvent.KEY_RELEASED: |
| doHandleJavaKeyEvent((KeyEvent)event); |
| break; |
| default: |
| super.handleEvent(event); |
| break; |
| } |
| } |
| |
| /************************************************ |
| * |
| * Overriden XWindow general-purpose functions |
| * |
| ************************************************/ |
| void ungrabInputImpl() { |
| hide(); |
| } |
| |
| /************************************************ |
| * |
| * Overriden XWindow keyboard processing |
| * |
| ************************************************/ |
| |
| /* |
| * In previous version keys were handled in handleKeyPress. |
| * Now we override this function do disable F10 explicit |
| * processing. All processing is done using KeyEvent. |
| */ |
| public void handleKeyPress(XEvent xev) { |
| XKeyEvent xkey = xev.get_xkey(); |
| if (log.isLoggable(PlatformLogger.FINE)) { |
| log.fine(xkey.toString()); |
| } |
| if (isEventDisabled(xev)) { |
| return; |
| } |
| final Component currentSource = (Component)getEventSource(); |
| handleKeyPress(xkey); |
| } |
| |
| } |
