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authorgraydon <graydon@138bc75d-0d04-0410-961f-82ee72b054a4>2004-05-27 06:17:44 +0000
committergraydon <graydon@138bc75d-0d04-0410-961f-82ee72b054a4>2004-05-27 06:17:44 +0000
commit7be583b48b04633a592ab530473b7f995955b160 (patch)
tree2ffcb4d3889f27364cadf6d34acb5b88d5881e8a /libjava/java/awt/Component.java
parent765f486dfed484416d8afd28184f4cddb742a7d9 (diff)
downloadgcc-7be583b48b04633a592ab530473b7f995955b160.tar.gz
2004-05-25 David Jee <djee@redhat.com>
* java/awt/Container.java (remove): Set component's parent to null only after we removed the component from its parent's layout manager. 2004-05-25 David Jee <djee@redhat.com> * gnu/java/awt/peer/gtk/GtkComponentPeer.java (GtkComponentPeer): Set bounds regardless of whether awtComponent is valid. * gnu/java/awt/peer/gtk/GtkListPeer.java (getSize): Change native method declaration. (minimumSize): Pass visible row count into getSize(). (preferredSize): Likewise. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkListPeer.c (Java_gnu_java_awt_peer_gtk_GtkListPeer_getSize): Use scroll window's natural size. Use visible row count to determine the final height value to return. 2004-05-21 Graydon Hoare <graydon@redhat.com> * gnu/java/awt/peer/gtk/GdkGraphics2D.java (setClip): Minor correction to order of operations. * javax/swing/JScrollPane.java: Extend sketchy implementation. * javax/swing/ScrollPaneLayout.java: Likewise. * javax/swing/JViewPort.java: Likewise. * javax/swing/ViewportLayout.java: Likewise. * javax/swing/JComponent.java: Rewrite. * javax/swing/RepaintManager.java: Likewise. * javax/swing/JLayeredPane.java: Change validate() to revalidate(). * javax/swing/JList.java (setSelectedIndices): (getSelectedIndices): (getSelectedValues): New functions. (getPreferredScrollableViewportSize): Return preferred size. (getScrollableUnitIncrement): (getScrollableBlockIncrement): Initial implementations. * javax/swing/JRootPane.java: Clean up slightly. (getUI): (setUI): (updateUI): (getUIClassID): (isValidateRoot): Add overrides from JComponent. * javax/swing/JScrollBar.java: Set default orientation to VERTICAL. * javax/swing/UIManager.java (getDimension): Return the dimension. * javax/swing/plaf/basic/BasicButtonUI.java: Set component opaque. * javax/swing/plaf/basic/BasicLabelUI.java: Likewise. * javax/swing/plaf/basic/BasicMenuItemUI.java: Likewise. * javax/swing/plaf/basic/BasicProgressBarUI.java: Likewise. * javax/swing/plaf/basic/BasicSeparatorUI.java: Likewise. * javax/swing/plaf/basic/BasicSliderUI.java: Likewise. * javax/swing/plaf/basic/BasicTabbedPaneUI.java: Likewise. * javax/swing/plaf/basic/BasicRootPaneUI.java: Likewise, and set background. * javax/swing/plaf/basic/BasicListUI.java: Likewise, and improve a bit. * javax/swing/plaf/basic/BasicScrollBarUI.java: Likewise, and adjust calculations. * javax/swing/plaf/basic/BasicViewportUI.java: Likewise, and improve a bit. * javax/swing/plaf/basic/BasicLookAndFeel.java (Button.margin): Shrink. * jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGlyphVector.c: Hack to set horizontal always, workaround pango. * jni/gtk-peer/gtkcairopeer.h: Change to match pattern API. * jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics2D.c: Synchronize more often, check cairo status after ops, handle changes to cairo pattern API, check for disposal. 2004-05-21 Olga Rodimina <rodimina@redhat.com> * javax/swing/plaf/basic/BasicMenuItemUI.java: (BasicMenuItemUI): Create propertyChangeListener. (getPath):Implemented. (installListeners): Add propertyChangeListener to menuItem. (uninstallListeners): Remove propertyChangeListener from menuItem. (update): Implemented. * javax/swing/plaf/basic/BasicMenuUI.MouseInputHandler: (mouseEntered): Take insets of popup menu into account when calculating position of popup menu. 2004-05-18 Olga Rodimina <rodimina@redhat.com> * Makefile.am: Added new file. * Makefile.in: Regenerate. * javax/swing/JMenuBar.java: Started implementation. * javax/swing/JPopupMenu.java: (setVisible): Fixed location of lightweight/mediumweight popup menu. (show): Fixed location of PopupMenu. * javax/swing/plaf/basic/BasicMenuBarUI.java: New file. UI Delegate for JMenuBar. * javax/swing/plaf/basic/BasicMenuUI.MouseInputHandler: (mouseEntered): Corrected position of the submenu. 2004-05-18 Thomas Fitzsimmons <fitzsim@redhat.com> * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMenuPeer.c: Remove calls to _gtk_accel_group_attach. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkPopupMenuPeer.c: Likewise. * gnu/java/awt/peer/gtk/GtkButtonPeer.java: Give gtkSetFont package access. Don't override setFont. * gnu/java/awt/peer/gtk/GtkCheckboxPeer.java: Likewise. * gnu/java/awt/peer/gtk/GtkComponentPeer.java: Give gtkWidgetRequestFocus package access. * gnu/java/awt/peer/gtk/GtkLabelPeer.java: Don't override setFont. * gnu/java/awt/peer/gtk/GtkListPeer.java: Override gtkSetFont. Give gtkWidgetRequestFocus package access. * gnu/java/awt/peer/gtk/GtkTextAreaPeer.java: Give gtkWidgetRequestFocus package access. Don't override setFont. * gnu/java/awt/peer/gtk/GtkTextFieldPeer.java: Don't override setFont. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkButtonPeer.c (gtkSetLabel): Move call to gtk_bin_get_child into GDK critical region. (gtkSetFont): Likewise. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkListPeer.c (gtkSetFont): Implement. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c (gtkSetFont): Whitespace fix. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c (gtkWidgetSetUsize): Remove method. 2004-05-18 David Jee <djee@redhat.com> * java/awt/image/MemoryImageSource.java (newPixels(int,int,int,int,boolean)): Set only the specified rectangle of pixels. (newPixels(byte[],ColorModel,int,int)): Implement. (newPixels(int[],ColorModel,int,int)): Implement. 2004-05-18 Olga Rodimina <rodimina@redhat.com> * Makefile.am: Added new file. * Makefile.in: Regenerate. * javax/swing/JMenu.java: Started implementation. * javax/swing/JPopupMenu.java: (insert): If specified index is -1, then add component at the end. (isPopupTrigger): Reimplemented. (JPopupMenu.LightWeightPopup): setBounds of the lightWeightPopup before adding it to the layeredPane. (javax/swing/plaf/basic/BasicIconFactory.java): (getMenuArrowIcon): Implemented. * javax/swing/plaf/basic/BasicMenuItemUI.java: (getPreferredSize): Add size of the arrow icon if this menu item is instance of JMenu. (paintMenuItem): Paint arrow icon if this menu item is a submenu. * javax/swing/plaf/basic/BasicMenuUI.java: New File. UI Delegate for JMenu. 2004-05-17 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GtkComponentPeer.java (postKeyEvent): Post KEY_TYPED events. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkEvents.c (generates_key_typed_event): Remove function. 2004-05-17 Olga Rodimina <rodimina@redhat.com> * javax/swing/JRootPane.java (JRootPane.RootLayout): Reimplemented to set bounds of contentPane and menuBar. (setJMenuBar): Add menu bar to the layered pane. (createLayeredPane): Set layout of layeredPane to null. * javax/swing/JLayeredPane.java: (addImpl): Calculate index of the component in the layeredPane according to the specified position within the layer. 2004-05-17 David Jee <djee@redhat.com> * gnu/java/awt/peer/gtk/GtkImagePainter.java (setPixels): Change color model to the default model after converting pixels. * java/awt/image/MemoryImageSource.java (newPixels): Set only the specified rectangle of pixels. 2004-05-13 Thomas Fitzsimmons <fitzsim@redhat.com> * libgcj.spec.in (lib): Add -l-java-awt -l-java-applet -l-java-beans -l-javax-accessibility -l-javax-swing. * java/awt/AWTEvent.java (toString): Print source's name rather than the source itself. 2004-05-12 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GtkToolkit.java (loadSystemColors): Make native. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c (gdk_color_to_java_color): New function. * jni/gtk-peer/gtkpeer.h: Add SystemColor defines. 2004-05-12 David Jee <djee@redhat.com> * java/awt/image/RGBImageFilter.java: Initialize origmodel as null. (makeColor): Fix pixel component order. (filterRGBPixels): Fix pixel iteration. (setPixels): Add extra checks for index color model. Convert pixels to default color model if necessary. (convertColorModelToDefault): New override method for byte pixels. (convertColorModelToDefault): For int pixels, fix pixel iteration. (makeColorbyDefaultCM): New override method for byte pixels. (makeColorbyDefaultCM): For int pixel, add color model as argument. (makeColor): Fix pixel component order. 2004-05-11 Kim Ho <kho@redhat.com> * javax/swing/Box.java: Comment out more parts of Box.Filler. 2004-05-11 Kim Ho <kho@redhat.com> * javax/swing/Box.java: Remove reference to AccessibleAWTComponent so it compiles again. 2004-05-10 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GtkListPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkListPeer.c: Update implementation of list peer to use GtkTreeView instead of deprecated GtkCList. 2004-05-07 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GtkComponentPeer.java (gtkWidgetDispatchKeyEvent): Remove keyChar parameter. (handleEvent): Remove keyChar argument to gtkWidgetDispatchKeyEvent calls. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c: Fix compiler warnings. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkEvents.c: Likewise. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMenuPeer.c: Likewise. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextComponentPeer.c: Likewise. 2004-05-06 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GtkComponentPeer.java (gtkWidgetRequestFocus): Mark protected. (GtkComponentPeer): Only set the peer's bounds if its component is valid. * java/awt/Component.java (static): Set the default keyboard focus manager. (requestFocus(), requestFocus(boolean), requestFocusInWindow(), requestFocusInWindow(temporary)): Don't request focus if the component is not showing. Get tree lock before traversing component hierarchy. * java/awt/DefaultKeyboardFocusManager.java (dispatchEvent): Only set the global focus owner if it is not a Window. (processKeyEvent): Consume keystrokes associated with the focus traversal keystroke. (focusPreviousComponent, focusNextComponent, upFocusCycle, downFocusCycle): Call requestFocusInWindow instead of requestFocus. * java/awt/EventDispatchThread.java (run): Move setting of default keyboard focus manager to Component.java. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c (awt_keycode_to_keysym): New function. (gtkWidgetDispatchKeyEvent): Finish implementation. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkEvents.c (pre_event_handler): Add FIXME comment. * gnu/java/awt/peer/gtk/GtkTextAreaPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextAreaPeer.c (gtkWidgetRequestFocus): New method. * java/awt/TextArea.java (TextArea): Set focus traversal keys to disable Tab and Shift-Tab keystrokes. (addNotify, appendText, insertText, replaceText): Simplify peer retrieval code. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextComponentPeer.c (connectSignals): Remove connections to "commit" signals. Remove C++-style comments. * gnu/java/awt/peer/gtk/GtkButtonPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkButtonPeer.c (handleEvent): Activate GTK button when the space bar key is pressed. (gtkActivate): New method. 2004-05-06 David Jee <djee@redhat.com> * java/awt/image/CropImageFilter.java (setPixels): Implement for byte array pixels. * java/awt/image/ReplicateScaleFilter.java (setPixels): Implement for byte array pixels. (replicatePixels): Overload for byte array pixels. 2004-05-06 Kim Ho <kho@redhat.com> * javax/swing/Box.java: (getAccessibleContext): Return an instance of the correct class. 2004-05-05 David Jee <djee@redhat.com> * gnu/java/awt/peer/gtk/GdkGraphics.java (drawImage): When component is null, use SystemColor.window as the default bgcolor. * gnu/java/awt/peer/gtk/GtkImage.java (setPixels): We can avoid iterating through the pixel rows only when height is 1. * java/awt/Image.java (getScaledInstance): Partially implement. * java/awt/image/CropImageFilter.java (setProperties): Fix "filter" property. (setPixels): Implement. * java/awt/image/ReplicateScaleFilter.java (setDimensions): Use scaled dimensions. (setPixels): Implement. (replicatePixels): New method. 2004-05-05 David Jee <djee@redhat.com> * gnu/java/awt/peer/gtk/GtkImagePainter.java (convertPixels): If either pixels or model is null, return null. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImagePainter.c (Java_gnu_java_awt_peer_gtk_GtkImagePainter_drawPixels): If jpixels is null, do nothing and return. 2004-05-03 Kim Ho <kho@redhat.com> * gnu/java/awt/peer/gtk/GtkDialogPeer.java: (getGraphics): Like GtkFramePeer, the Graphics object needs to be translate to account for window decorations. (postMouseEvent): New method. Account for translation. (postExposeEvent): ditto. * javax/swing/Box.java: Stubbed. * javax/swing/JDialog.java: Ran through jalopy to fix indentation. (JDialog): Call SwingUtilities' getOwnerFrame for null owners. (setLayout): Check isRootPaneCheckingEnabled * javax/swing/JOptionPane.java: Re-implemented. * javax/swing/SwingUtilities.java: (getOwnerFrame): Static method to grab a default owner frame for Dialogs that don't specify owners. * javax/swing/event/SwingPropertyChangeSupport.java: (firePropertyChange): Fix early exit condition. * javax/swing/plaf/basic/BasicLabelUI.java: (paint): Avoid painting text if it is null or empty. * javax/swing/plaf/basic/BasicOptionPaneUI.java: Implement. 2004-05-03 Olga Rodimina <rodimina@redhat.com> * Makefile.am: Added new file. * Makefile.in: Regenerate. * javax/swing/JPopupMenu.java: Started implementation. * javax/swing/JWindow.java (JWindow): call super() if parent for window is not specified. * javax/swing/plaf/basic/BasicPopupMenuUI.java: New File. UI Delegate for JPopupMenu. 2004-04-30 Olga Rodimina <rodimina@redhat.com> * javax/swing/JApplet.java: Indicated that JApplet implements RootPaneContainer and made method of this interface public. * javax/swing/JFrame.java: Ditto. * javax/swing/JWindow.java: Ditto. 2004-04-29 Thomas Fitzsimmons <fitzsim@redhat.com> * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkWindowPeer.c (nativeSetBounds): Call gdk_window_move in addition to gtk_window_move. * java/applet/Applet.java (preferredSize): Call parent's preferredSize if the applet stub is null. (minimumSize): Likewise for parent's minimumSize. 2004-04-27 Olga Rodimina <rodimina@redhat.com> * javax/swing/JMenuItem.java (createActionPropertyChangeListener): Implemented. (processMouseEvent): Ditto. (fireMenuDragMouseEntered): Ditto. (fireMenuDragMouseExited): Ditto. (fireMenuDragMouseDragged): Ditto. (fireMenuDragMouseReleased): Ditto. (menuSelectionChanged): Ditto. (getSubElements): Ditto. (getComponent): Ditto. (addMenuDragMouseListener): Ditto. (removeMenuDragMouseListener):Ditto. (addMenuKeyListener): Ditto. (removeMenuKeyListener): Ditto. * javax/swing/plaf/basic/BasicMenuItemUI.java (doClick): Imlemented. * javax/swing/plaf/basic/BasicMenuItemUI.MouseInputHandler: Don't handle mouse events here. Pass them to MenuSelectionManager. 2004-04-26 Olga Rodimina <rodimina@redhat.com> Used correct version of jalopy configuration file to fix style in the files below. 2004-04-26 Olga Rodimina <rodimina@redhat.com> * javax/swing/JCheckBoxMenuItem.java: Fixed style and removed unnecessary comments. * javax/swing/JMenuItem.java: Ditto. * javax/swing/JRadioButtonMenuItem.java: Ditto. * javax/swing/plaf/basic/BasicCheckBoxMenuItemUI.java: Ditto. * javax/swing/plaf/basic/BasicMenuItemUI.java: Ditto. * javax/swing/plaf/basic/BasicRadioButtonMenuItemUI.java: Ditto. 2004-04-23 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu_java_awt_peer_gtk_GtkWindowPeer.c: Change FIXME comment to C-style. * gnu_java_awt_peer_gtk_GtkWindowPeer.c: Add FIXME comment. * java/awt/ContainerOrderFocusTraversalPolicy.java (getComponentAfter): Start from current component and work up the component hierarchy until an acceptable component is found. Synchronize on tree lock. (getComponentBefore): Likewise. 2004-04-22 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GtkComponentPeer.java: Remove focus-related debugging messages. * java/awt/DefaultKeyboardFocusManager.java: Likewise. * java/awt/EventDispatchThread.java: Likewise. * java/awt/KeyboardFocusManager.java: Likewise. * java/awt/Window.java: Likewise. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c: Likewise. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkEvents.c: Likewise. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c: Change new C++-style comments to C-style comments. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkEvents.c: Likewise. * gnu/java/awt/peer/gtk/GtkComponentPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c (handleEvent): Dispatch key press and key release events to backing widget. (requestFocus): Post a FOCUS_GAINED event to the event queue. (gtkWidgetRequestFocus): New method. (gtkWidgetDispatchKeyEvent): Likewise. * java/awt/Component.java (requestFocus, requestFocus(boolean), requestFocusInWindow, requestFocusInWindow(boolean), getFocusCycleRootAncestor, nextFocus, transferFocus, transferFocusBackward, transferFocusUpCycle, hasFocus, isFocusOwner): Implement and document focus-handling methods. (setFocusTraversalKeys): Inherit focus traversal keys when keystrokes argument is null. Fix focus-handling documentation throughout class. * java/awt/Container.java (setFocusTraversalKeys, getFocusTraversalKeys, areFocusTraversalKeysSet, isFocusCycleRoot, setFocusTraversalPolicy, getFocusTraversalPolicy, isFocusTraversalPolicySet, setFocusCycleRoot, isFocusCycleRoot, transferFocusDownCycle): Implement and document focus-handling methods. (transferFocusBackward): Remove method. (readObject, writeObject): Implement and document serialization methods. * java/awt/ContainerOrderFocusTraversalPolicy.java: Implement and document. * java/awt/DefaultFocusTraversalPolicy.java: Implement and document. * java/awt/DefaultKeyboardFocusManager.java: Implement and partially document. * java/awt/EventDispatchThread.java (run): Set default keyboard focus manager. Attempt to dispatch each event to the keyboard focus manager before normal dispatch. * java/awt/KeyboardFocusManager.java: Implement and partially document. * java/awt/Window.java (Window): Set focusCycleRoot to true. (show): Focus initial component when window is shown for the first time. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkEvents.c (pre_event_handler): Replace complex key press and key release logic with simple callbacks into GtkComponentPeer. * jni/gtk-peer/gtkpeer.h: Fix FOCUS_GAINED/FOCUS_LOST reversal. 2004-04-21 Olga Rodimina <rodimina@redhat.com> * javax/swing/MenuSelectionManager.java (componentForPoint): Added new method. (defaultManager): New Method. Implemented. (getSelectedPath): Ditto. (isComponentPartOfCurrentMenu): Ditto. (processKeyEvent): Added new method. (processMouseEvent): New Method. Implemented. (setSelectedPath): Ditto. (getPath): Ditto. 2004-04-19 Kim Ho <kho@redhat.com> * java/awt/Container.java: (remove): Set the component's parent to null. (getComponentAt): Implement. * javax/swing/JComponent.java: (JComponent): Initialize defaultLocale (getDefaultLocale): Implement. (setDefaultLocale): ditto. * javax/swing/JSlider.java: (JSlider): Fix calculation of value. * javax/swing/JSplitPane.java: Implement. * javax/swing/plaf/basic/BasicLookAndFeel.java: Change SplitPane's default divider size. * javax/swing/plaf/basic/BasicScrollBarUI.java: (paint): Remove unused code. * javax/swing/plaf/basic/BasicSplitPaneDivider.java: Added comments and ran through jalopy. (setBasicSplitPaneUI): Get reference to hidden divider and set up one touch buttons if necessary. (setBorder): Fire propertyChangeEvent only if borders are different. (getPreferredSize): Defer to layout manager. (propertyChange): Implement. (oneTouchExpandableChanged): ditto. (createLeftOneTouchButton): Use BasicArrowButton. (createRightOneTouchButton): ditto. (moveDividerTo): New method. Moves the divider to a set location based on the last divider location. (BasicSplitPaneDivider::MouseHandler): Implement. (BasicSplitPaneDivider::OneTouchButton): Removed. (BasicSplitPaneDivider::DragController): Implement. (BasicSplitPaneDivider::VerticalDragController): ditto. (BasicSplitPaneDivider::DividerLayout): ditto. * javax/swing/plaf/basic/BasicSplitPaneUI.java: Reimplement. * javax/swing/plaf/basic/BasicTabbedPaneUI.java: (calculateLayoutInfo): Don't show component if it's null. (paintTab): Fix title paint logic. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82314 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java/awt/Component.java')
-rw-r--r--libjava/java/awt/Component.java571
1 files changed, 382 insertions, 189 deletions
diff --git a/libjava/java/awt/Component.java b/libjava/java/awt/Component.java
index d52818af683..3ca2b4f7aae 100644
--- a/libjava/java/awt/Component.java
+++ b/libjava/java/awt/Component.java
@@ -383,18 +383,18 @@ public abstract class Component
boolean focusable = true;
/**
- * Tracks whether this component uses default focus traversal, or has a
- * different policy.
+ * Tracks whether this component's {@link #isFocusTraversable}
+ * method has been overridden.
*
- * @see #isFocusTraversableOverridden()
* @since 1.4
*/
int isFocusTraversableOverridden;
/**
- * The focus traversal keys, if not inherited from the parent or default
- * keyboard manager. These sets will contain only AWTKeyStrokes that
- * represent press and release events to use as focus control.
+ * The focus traversal keys, if not inherited from the parent or
+ * default keyboard focus manager. These sets will contain only
+ * AWTKeyStrokes that represent press and release events to use as
+ * focus control.
*
* @see #getFocusTraversalKeys(int)
* @see #setFocusTraversalKeys(int, Set)
@@ -557,6 +557,12 @@ public abstract class Component
transient BufferStrategy bufferStrategy;
/**
+ * true if requestFocus was called on this component when its
+ * top-level ancestor was not focusable.
+ */
+ private transient FocusEvent pendingFocusRequest = null;
+
+ /**
* The system properties that affect image updating.
*/
private static transient boolean incrementalDraw;
@@ -566,6 +572,8 @@ public abstract class Component
{
incrementalDraw = Boolean.getBoolean ("awt.image.incrementalDraw");
redrawRate = Long.getLong ("awt.image.redrawrate");
+ // Set the default KeyboardFocusManager.
+ KeyboardFocusManager.setCurrentKeyboardFocusManager (null);
}
// Public and protected API.
@@ -2963,6 +2971,7 @@ public abstract class Component
{
if (focusListener == null)
return;
+
switch (e.id)
{
case FocusEvent.FOCUS_GAINED:
@@ -3411,13 +3420,18 @@ public abstract class Component
}
/**
- * Sets the focus traversal keys for a given type of focus events. Normally,
- * the default values should match the operating system's native choices. To
- * disable a given traversal, use <code>Collections.EMPTY_SET</code>. The
- * event dispatcher will consume PRESSED, RELEASED, and TYPED events for the
- * specified key, although focus can only transfer on PRESSED or RELEASED.
+ * Sets the focus traversal keys for one of the three focus
+ * traversal directions supported by Components: {@link
+ * #KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS}, {@link
+ * #KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS}, or {@link
+ * #KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS}. Normally, the
+ * default values should match the operating system's native
+ * choices. To disable a given traversal, use
+ * <code>Collections.EMPTY_SET</code>. The event dispatcher will
+ * consume PRESSED, RELEASED, and TYPED events for the specified
+ * key, although focus can only transfer on PRESSED or RELEASED.
*
- * <p>The defauts are:
+ * <p>The defaults are:
* <table>
* <th><td>Identifier</td><td>Meaning</td><td>Default</td></th>
* <tr><td>KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS</td>
@@ -3430,10 +3444,13 @@ public abstract class Component
* <td>Go up a traversal cycle</td><td>None</td></tr>
* </table>
*
- * <p>Specifying null allows inheritance from the parent, or from the current
- * KeyboardFocusManager default set. If not null, the set must contain only
- * AWTKeyStrokes that are not already focus keys and are not KEY_TYPED
- * events.
+ * If keystrokes is null, this component's focus traversal key set
+ * is inherited from one of its ancestors. If none of its ancestors
+ * has its own set of focus traversal keys, the focus traversal keys
+ * are set to the defaults retrieved from the current
+ * KeyboardFocusManager. If not null, the set must contain only
+ * AWTKeyStrokes that are not already focus keys and are not
+ * KEY_TYPED events.
*
* @param id one of FORWARD_TRAVERSAL_KEYS, BACKWARD_TRAVERSAL_KEYS, or
* UP_CYCLE_TRAVERSAL_KEYS
@@ -3448,7 +3465,24 @@ public abstract class Component
public void setFocusTraversalKeys(int id, Set keystrokes)
{
if (keystrokes == null)
- throw new IllegalArgumentException();
+ {
+ Container parent = getParent ();
+
+ while (parent != null)
+ {
+ if (parent.areFocusTraversalKeysSet (id))
+ {
+ keystrokes = parent.getFocusTraversalKeys (id);
+ break;
+ }
+ parent = parent.getParent ();
+ }
+
+ if (keystrokes == null)
+ keystrokes = KeyboardFocusManager.getCurrentKeyboardFocusManager ().
+ getDefaultFocusTraversalKeys (id);
+ }
+
Set sa;
Set sb;
String name;
@@ -3476,50 +3510,60 @@ public abstract class Component
name = "upCycleFocusTraversalKeys";
break;
default:
- throw new IllegalArgumentException();
+ throw new IllegalArgumentException ();
}
- int i = keystrokes.size();
- Iterator iter = keystrokes.iterator();
+
+ int i = keystrokes.size ();
+ Iterator iter = keystrokes.iterator ();
+
while (--i >= 0)
{
- Object o = iter.next();
- if (! (o instanceof AWTKeyStroke)
- || sa.contains(o) || sb.contains(o)
+ Object o = iter.next ();
+ if (!(o instanceof AWTKeyStroke)
+ || sa.contains (o) || sb.contains (o)
|| ((AWTKeyStroke) o).keyCode == KeyEvent.VK_UNDEFINED)
- throw new IllegalArgumentException();
+ throw new IllegalArgumentException ();
}
+
if (focusTraversalKeys == null)
focusTraversalKeys = new Set[3];
- keystrokes = Collections.unmodifiableSet(new HashSet(keystrokes));
- firePropertyChange(name, focusTraversalKeys[id], keystrokes);
+
+ keystrokes = Collections.unmodifiableSet (new HashSet (keystrokes));
+ firePropertyChange (name, focusTraversalKeys[id], keystrokes);
+
focusTraversalKeys[id] = keystrokes;
}
/**
- * Returns the set of keys for a given focus traversal action, as defined
- * in <code>setFocusTraversalKeys</code>. If not set, this is inherited from
- * the parent component, which may have gotten it from the
- * KeyboardFocusManager.
+ * Returns the set of keys for a given focus traversal action, as
+ * defined in <code>setFocusTraversalKeys</code>. If not set, this
+ * is inherited from the parent component, which may have gotten it
+ * from the KeyboardFocusManager.
*
- * @param id one of FORWARD_TRAVERSAL_KEYS, BACKWARD_TRAVERSAL_KEYS, or
- * UP_CYCLE_TRAVERSAL_KEYS
+ * @param id one of FORWARD_TRAVERSAL_KEYS, BACKWARD_TRAVERSAL_KEYS,
+ * or UP_CYCLE_TRAVERSAL_KEYS
* @throws IllegalArgumentException if id is invalid
- * @see #setFocusTraversalKeys(int, Set)
+ * @see #setFocusTraversalKeys (int, Set)
* @see KeyboardFocusManager#FORWARD_TRAVERSAL_KEYS
* @see KeyboardFocusManager#BACKWARD_TRAVERSAL_KEYS
* @see KeyboardFocusManager#UP_CYCLE_TRAVERSAL_KEYS
* @since 1.4
*/
- public Set getFocusTraversalKeys(int id)
+ public Set getFocusTraversalKeys (int id)
{
- if (id < KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS
- || id > KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS)
+ if (id != KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS &&
+ id != KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS &&
+ id != KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS)
throw new IllegalArgumentException();
+
Set s = null;
+
if (focusTraversalKeys != null)
s = focusTraversalKeys[id];
+
if (s == null && parent != null)
- s = parent.getFocusTraversalKeys(id);
+ s = parent.getFocusTraversalKeys (id);
+
return s == null ? (KeyboardFocusManager.getCurrentKeyboardFocusManager()
.getDefaultFocusTraversalKeys(id)) : s;
}
@@ -3528,269 +3572,417 @@ public abstract class Component
* Tests whether the focus traversal keys for a given action are explicitly
* set or inherited.
*
- * @param id one of FORWARD_TRAVERSAL_KEYS, BACKWARD_TRAVERSAL_KEYS, or
- * UP_CYCLE_TRAVERSAL_KEYS
+ * @param id one of FORWARD_TRAVERSAL_KEYS, BACKWARD_TRAVERSAL_KEYS,
+ * or UP_CYCLE_TRAVERSAL_KEYS
* @return true if that set is explicitly specified
* @throws IllegalArgumentException if id is invalid
- * @see #getFocusTraversalKeys(int)
+ * @see #getFocusTraversalKeys (int)
* @see KeyboardFocusManager#FORWARD_TRAVERSAL_KEYS
* @see KeyboardFocusManager#BACKWARD_TRAVERSAL_KEYS
* @see KeyboardFocusManager#UP_CYCLE_TRAVERSAL_KEYS
* @since 1.4
*/
- public boolean areFocusTraversalKeysSet(int id)
+ public boolean areFocusTraversalKeysSet (int id)
{
- if (id < KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS
- || id > KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS)
- throw new IllegalArgumentException();
+ if (id != KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS &&
+ id != KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS &&
+ id != KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS)
+ throw new IllegalArgumentException ();
+
return focusTraversalKeys != null && focusTraversalKeys[id] != null;
}
/**
- * Sets whether focus traversal keys are enabled, which consumes traversal
- * keys and performs the focus event automatically.
+ * Enable or disable focus traversal keys on this Component. If
+ * they are, then the keyboard focus manager consumes and acts on
+ * key press and release events that trigger focus traversal, and
+ * discards the corresponding key typed events. If focus traversal
+ * keys are disabled, then all key events that would otherwise
+ * trigger focus traversal are sent to this Component.
*
* @param focusTraversalKeysEnabled the new value of the flag
- * @see #getFocusTraversalKeysEnabled()
- * @see #setFocusTraversalKeys(int, Set)
- * @see #getFocusTraversalKeys(int)
+ * @see #getFocusTraversalKeysEnabled ()
+ * @see #setFocusTraversalKeys (int, Set)
+ * @see #getFocusTraversalKeys (int)
* @since 1.4
*/
- public void setFocusTraversalKeysEnabled(boolean focusTraversalKeysEnabled)
+ public void setFocusTraversalKeysEnabled (boolean focusTraversalKeysEnabled)
{
- firePropertyChange("focusTraversalKeysEnabled",
- this.focusTraversalKeysEnabled,
- focusTraversalKeysEnabled);
+ firePropertyChange ("focusTraversalKeysEnabled",
+ this.focusTraversalKeysEnabled,
+ focusTraversalKeysEnabled);
this.focusTraversalKeysEnabled = focusTraversalKeysEnabled;
}
/**
- * Tests whether focus traversal keys are enabled. If they are, then focus
- * traversal keys are consumed and focus events performed automatically,
- * without the component seeing the keystrokes.
+ * Check whether or not focus traversal keys are enabled on this
+ * Component. If they are, then the keyboard focus manager consumes
+ * and acts on key press and release events that trigger focus
+ * traversal, and discards the corresponding key typed events. If
+ * focus traversal keys are disabled, then all key events that would
+ * otherwise trigger focus traversal are sent to this Component.
*
- * @return true if focus traversal is enabled
- * @see #setFocusTraversalKeysEnabled(boolean)
- * @see #setFocusTraversalKeys(int, Set)
- * @see #getFocusTraversalKeys(int)
+ * @return true if focus traversal keys are enabled
+ * @see #setFocusTraversalKeysEnabled (boolean)
+ * @see #setFocusTraversalKeys (int, Set)
+ * @see #getFocusTraversalKeys (int)
* @since 1.4
*/
- public boolean getFocusTraversalKeysEnabled()
+ public boolean getFocusTraversalKeysEnabled ()
{
return focusTraversalKeysEnabled;
}
/**
- * Requests that this component be given focus. A <code>FOCUS_GAINED</code>
- * event will be fired if and only if this request is successful. To be
- * successful, the component must be displayable, visible, and focusable,
- * and the top-level Window must be able to receive focus. Thus, this
- * request may fail, or be delayed until the window receives focus. It is
- * recommended that <code>requestFocusInWindow</code> be used where
- * possible to be more platform-independent.
+ * Request that this Component be given the keyboard input focus and
+ * that its top-level ancestor become the focused Window.
+ *
+ * For the request to be granted, the Component must be focusable,
+ * displayable and showing and the top-level Window to which it
+ * belongs must be focusable. If the request is initially denied on
+ * the basis that the top-level Window is not focusable, the request
+ * will be remembered and granted when the Window does become
+ * focused.
+ *
+ * Never assume that this Component is the focus owner until it
+ * receives a FOCUS_GAINED event.
*
- * @see #requestFocusInWindow()
+ * The behaviour of this method is platform-dependent.
+ * {@link #requestFocusInWindow} should be used instead.
+ *
+ * @see #requestFocusInWindow ()
* @see FocusEvent
- * @see #addFocusListener(FocusListener)
- * @see #isFocusable()
- * @see #isDisplayable()
- * @see KeyboardFocusManager#clearGlobalFocusOwner()
+ * @see #addFocusListener (FocusListener)
+ * @see #isFocusable ()
+ * @see #isDisplayable ()
+ * @see KeyboardFocusManager#clearGlobalFocusOwner ()
*/
- public void requestFocus()
+ public void requestFocus ()
{
- // If there's no peer then this component can't get the focus. We
- // treat it as a silent rejection of the request.
- if (peer != null)
- peer.requestFocus();
+ if (isDisplayable ()
+ && isShowing ()
+ && isFocusable ())
+ {
+ synchronized (getTreeLock ())
+ {
+ // Find this Component's top-level ancestor.
+ Container parent = getParent ();
+
+ while (parent != null
+ && !(parent instanceof Window))
+ parent = parent.getParent ();
+
+ Window toplevel = (Window) parent;
+ if (toplevel.isFocusableWindow ())
+ {
+ if (peer != null)
+ // This call will cause a FOCUS_GAINED event to be
+ // posted to the system event queue if the native
+ // windowing system grants the focus request.
+ peer.requestFocus ();
+ else
+ {
+ // Either our peer hasn't been created yet or we're a
+ // lightweight component. In either case we want to
+ // post a FOCUS_GAINED event.
+ EventQueue eq = Toolkit.getDefaultToolkit ().getSystemEventQueue ();
+ eq.postEvent (new FocusEvent(this, FocusEvent.FOCUS_GAINED));
+ }
+ }
+ else
+ pendingFocusRequest = new FocusEvent(this, FocusEvent.FOCUS_GAINED);
+ }
+ }
}
/**
- * Requests that this component be given focus. A <code>FOCUS_GAINED</code>
- * event will be fired if and only if this request is successful. To be
- * successful, the component must be displayable, visible, and focusable,
- * and the top-level Window must be able to receive focus. Thus, this
- * request may fail, or be delayed until the window receives focus. It is
- * recommended that <code>requestFocusInWindow</code> be used where
- * possible to be more platform-independent.
+ * Request that this Component be given the keyboard input focus and
+ * that its top-level ancestor become the focused Window.
+ *
+ * For the request to be granted, the Component must be focusable,
+ * displayable and showing and the top-level Window to which it
+ * belongs must be focusable. If the request is initially denied on
+ * the basis that the top-level Window is not focusable, the request
+ * will be remembered and granted when the Window does become
+ * focused.
+ *
+ * Never assume that this Component is the focus owner until it
+ * receives a FOCUS_GAINED event.
+ *
+ * The behaviour of this method is platform-dependent.
+ * {@link #requestFocusInWindow} should be used instead.
*
- * <p>If the return value is false, the request is guaranteed to fail. If
- * it is true, it will likely succeed unless the action is vetoed or
- * something in the native windowing system intervenes. The temporary flag,
- * and thus this method in general, is not designed for public use; rather
- * it is a hook for lightweight components to notify their container in
- * an attempt to reduce the amount of repainting necessary.
+ * If the return value is false, the request is guaranteed to fail.
+ * If the return value is true, the request will succeed unless it
+ * is vetoed or something in the native windowing system intervenes,
+ * preventing this Component's top-level ancestor from becoming
+ * focused. This method is meant to be called by derived
+ * lightweight Components that want to avoid unnecessary repainting
+ * when they know a given focus transfer need only be temporary.
*
* @param temporary true if the focus request is temporary
* @return true if the request has a chance of success
- * @see #requestFocusInWindow()
+ * @see #requestFocusInWindow ()
* @see FocusEvent
- * @see #addFocusListener(FocusListener)
- * @see #isFocusable()
- * @see #isDisplayable()
- * @see KeyboardFocusManager#clearGlobalFocusOwner()
+ * @see #addFocusListener (FocusListener)
+ * @see #isFocusable ()
+ * @see #isDisplayable ()
+ * @see KeyboardFocusManager#clearGlobalFocusOwner ()
* @since 1.4
*/
- protected boolean requestFocus(boolean temporary)
+ protected boolean requestFocus (boolean temporary)
{
- // XXX Implement correctly.
- requestFocus();
+ if (isDisplayable ()
+ && isShowing ()
+ && isFocusable ())
+ {
+ synchronized (getTreeLock ())
+ {
+ // Find this Component's top-level ancestor.
+ Container parent = getParent ();
+
+ while (parent != null
+ && !(parent instanceof Window))
+ parent = parent.getParent ();
+
+ Window toplevel = (Window) parent;
+ if (toplevel.isFocusableWindow ())
+ {
+ if (peer != null)
+ // This call will cause a FOCUS_GAINED event to be
+ // posted to the system event queue if the native
+ // windowing system grants the focus request.
+ peer.requestFocus ();
+ else
+ {
+ // Either our peer hasn't been created yet or we're a
+ // lightweight component. In either case we want to
+ // post a FOCUS_GAINED event.
+ EventQueue eq = Toolkit.getDefaultToolkit ().getSystemEventQueue ();
+ eq.postEvent (new FocusEvent(this, FocusEvent.FOCUS_GAINED, temporary));
+ }
+ }
+ else
+ // FIXME: need to add a focus listener to our top-level
+ // ancestor, so that we can post this event when it becomes
+ // the focused window.
+ pendingFocusRequest = new FocusEvent(this, FocusEvent.FOCUS_GAINED, temporary);
+ }
+ }
+ // Always return true.
return true;
}
/**
- * Requests that this component be given focus, if it resides in the
- * top-level window which already has focus. A <code>FOCUS_GAINED</code>
- * event will be fired if and only if this request is successful. To be
- * successful, the component must be displayable, visible, and focusable,
- * and the top-level Window must be focused.
+ * Request that this component be given the keyboard input focus, if
+ * its top-level ancestor is the currently focused Window. A
+ * <code>FOCUS_GAINED</code> event will be fired if and only if this
+ * request is successful. To be successful, the component must be
+ * displayable, showing, and focusable, and its ancestor top-level
+ * Window must be focused.
*
- * <p>If the return value is false, the request is guaranteed to fail. If
- * it is true, it will likely succeed unless the action is vetoed or
- * something in the native windowing system intervenes. The temporary flag,
- * and thus this method in general, is not designed for public use; rather
- * it is a hook for lightweight components to notify their container in
- * an attempt to reduce the amount of repainting necessary.
+ * If the return value is false, the request is guaranteed to fail.
+ * If the return value is true, the request will succeed unless it
+ * is vetoed or something in the native windowing system intervenes,
+ * preventing this Component's top-level ancestor from becoming
+ * focused.
*
* @return true if the request has a chance of success
- * @see #requestFocus()
+ * @see #requestFocus ()
* @see FocusEvent
- * @see #addFocusListener(FocusListener)
- * @see #isFocusable()
- * @see #isDisplayable()
- * @see KeyboardFocusManager#clearGlobalFocusOwner()
+ * @see #addFocusListener (FocusListener)
+ * @see #isFocusable ()
+ * @see #isDisplayable ()
+ * @see KeyboardFocusManager#clearGlobalFocusOwner ()
* @since 1.4
*/
- public boolean requestFocusInWindow()
+ public boolean requestFocusInWindow ()
{
- // XXX Implement correctly.
- requestFocus();
- return true;
+ return requestFocusInWindow (false);
}
/**
- * Requests that this component be given focus, if it resides in the
- * top-level window which already has focus. A <code>FOCUS_GAINED</code>
- * event will be fired if and only if this request is successful. To be
- * successful, the component must be displayable, visible, and focusable,
- * and the top-level Window must be focused.
+ * Request that this component be given the keyboard input focus, if
+ * its top-level ancestor is the currently focused Window. A
+ * <code>FOCUS_GAINED</code> event will be fired if and only if this
+ * request is successful. To be successful, the component must be
+ * displayable, showing, and focusable, and its ancestor top-level
+ * Window must be focused.
*
- * <p>If the return value is false, the request is guaranteed to fail. If
- * it is true, it will likely succeed unless the action is vetoed or
- * something in the native windowing system intervenes. The temporary flag,
- * and thus this method in general, is not designed for public use; rather
- * it is a hook for lightweight components to notify their container in
- * an attempt to reduce the amount of repainting necessary.
+ * If the return value is false, the request is guaranteed to fail.
+ * If the return value is true, the request will succeed unless it
+ * is vetoed or something in the native windowing system intervenes,
+ * preventing this Component's top-level ancestor from becoming
+ * focused. This method is meant to be called by derived
+ * lightweight Components that want to avoid unnecessary repainting
+ * when they know a given focus transfer need only be temporary.
*
* @param temporary true if the focus request is temporary
* @return true if the request has a chance of success
- * @see #requestFocus()
+ * @see #requestFocus ()
* @see FocusEvent
- * @see #addFocusListener(FocusListener)
- * @see #isFocusable()
- * @see #isDisplayable()
- * @see KeyboardFocusManager#clearGlobalFocusOwner()
+ * @see #addFocusListener (FocusListener)
+ * @see #isFocusable ()
+ * @see #isDisplayable ()
+ * @see KeyboardFocusManager#clearGlobalFocusOwner ()
* @since 1.4
*/
- protected boolean requestFocusInWindow(boolean temporary)
+ protected boolean requestFocusInWindow (boolean temporary)
{
- // XXX Implement correctly.
- requestFocus();
- return true;
+ KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager ();
+
+ Window focusedWindow = manager.getFocusedWindow ();
+
+ if (isDisplayable ()
+ && isShowing ()
+ && isFocusable ())
+ {
+ if (focusedWindow != null)
+ {
+ synchronized (getTreeLock ())
+ {
+ Container parent = getParent ();
+
+ while (parent != null
+ && !(parent instanceof Window))
+ parent = parent.getParent ();
+
+ Window toplevel = (Window) parent;
+
+ // Check if top-level ancestor is currently focused window.
+ if (focusedWindow == toplevel)
+ {
+ if (peer != null)
+ // This call will cause a FOCUS_GAINED event to be
+ // posted to the system event queue if the native
+ // windowing system grants the focus request.
+ peer.requestFocus ();
+ else
+ {
+ // Either our peer hasn't been created yet or we're a
+ // lightweight component. In either case we want to
+ // post a FOCUS_GAINED event.
+ EventQueue eq = Toolkit.getDefaultToolkit ().getSystemEventQueue ();
+ eq.postEvent (new FocusEvent(this, FocusEvent.FOCUS_GAINED, temporary));
+ }
+ }
+ else
+ return false;
+ }
+ }
+
+ return true;
+ }
+ return false;
}
/**
- * Transfers focus to the next component in the focus traversal order, as
- * though this were the current focus owner.
+ * Transfers focus to the next component in the focus traversal
+ * order, as though this were the current focus owner.
*
* @see #requestFocus()
* @since 1.1
*/
- public void transferFocus()
+ public void transferFocus ()
{
- Component next;
- if (parent == null)
- next = findNextFocusComponent(null);
- else
- next = parent.findNextFocusComponent(this);
- if (next != null && next != this)
- next.requestFocus();
+ nextFocus ();
}
/**
- * Returns the root container that owns the focus cycle where this component
- * resides. A focus cycle root is in two cycles, one as the ancestor, and
- * one as the focusable element; this call always returns the ancestor.
+ * Returns the root container that owns the focus cycle where this
+ * component resides. A focus cycle root is in two cycles, one as
+ * the ancestor, and one as the focusable element; this call always
+ * returns the ancestor.
*
* @return the ancestor container that owns the focus cycle
* @since 1.4
*/
- public Container getFocusCycleRootAncestor()
+ public Container getFocusCycleRootAncestor ()
{
- // XXX Implement.
- throw new Error("not implemented");
+ if (this instanceof Window
+ && ((Container) this).isFocusCycleRoot ())
+ return (Container) this;
+
+ Container parent = getParent ();
+
+ while (parent != null
+ && !parent.isFocusCycleRoot ())
+ parent = parent.getParent ();
+
+ return parent;
}
/**
- * Tests if the container is the ancestor of the focus cycle that this
- * component belongs to.
+ * Tests if the container is the ancestor of the focus cycle that
+ * this component belongs to.
*
* @param c the container to test
* @return true if c is the focus cycle root
* @since 1.4
*/
- public boolean isFocusCycleRoot(Container c)
+ public boolean isFocusCycleRoot (Container c)
{
- return c == getFocusCycleRootAncestor();
+ return c == getFocusCycleRootAncestor ();
}
/**
- * AWT 1.0 focus event processor.
+ * AWT 1.0 focus event processor. Transfers focus to the next
+ * component in the focus traversal order, as though this were the
+ * current focus owner.
*
- * @deprecated use {@link #transferFocus()} instead
+ * @deprecated use {@link #transferFocus ()} instead
*/
- public void nextFocus()
+ public void nextFocus ()
{
- transferFocus();
+ KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager ();
+
+ manager.focusNextComponent (this);
}
/**
- * Transfers focus to the previous component in the focus traversal order, as
- * though this were the current focus owner.
+ * Transfers focus to the previous component in the focus traversal
+ * order, as though this were the current focus owner.
*
- * @see #requestFocus()
+ * @see #requestFocus ()
* @since 1.4
*/
- public void transferFocusBackward()
+ public void transferFocusBackward ()
{
- // XXX Implement.
- throw new Error("not implemented");
+ KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager ();
+
+ manager.focusPreviousComponent (this);
}
/**
- * Transfers focus to the focus cycle root of this component. However, if
- * this is a Window, the default focus owner in the window in the current
- * focus cycle is focused instead.
+ * Transfers focus to the focus cycle root of this component.
+ * However, if this is a Window, the default focus owner in the
+ * window in the current focus cycle is focused instead.
*
- * @see #requestFocus()
- * @see #isFocusCycleRoot()
+ * @see #requestFocus ()
+ * @see #isFocusCycleRoot ()
* @since 1.4
*/
- public void transferFocusUpCycle()
+ public void transferFocusUpCycle ()
{
- // XXX Implement.
- throw new Error("not implemented");
+ KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager ();
+
+ manager.upFocusCycle (this);
}
/**
- * Tests if this component is the focus owner. Use {@link #isFocusOwner()}
- * instead.
+ * Tests if this component is the focus owner. Use {@link
+ * #isFocusOwner ()} instead.
*
* @return true if this component owns focus
* @since 1.2
*/
- public boolean hasFocus()
+ public boolean hasFocus ()
{
- return isFocusOwner();
+ KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager ();
+
+ Component focusOwner = manager.getFocusOwner ();
+
+ return this == focusOwner;
}
/**
@@ -3801,8 +3993,7 @@ public abstract class Component
*/
public boolean isFocusOwner()
{
- // XXX Implement.
- throw new Error("not implemented");
+ return hasFocus ();
}
/**
@@ -4337,6 +4528,8 @@ p * <li>the set of backward traversal keys
* making the request. This is overridden by Container; when called for an
* ordinary component there is no child and so we always return null.
*
+ * FIXME: is this still needed, in light of focus traversal policies?
+ *
* @param child the component making the request
* @return the next component to focus on
*/
@@ -4897,23 +5090,23 @@ p * <li>the set of backward traversal keys
* Tests whether this component can accept focus.
*
* @return true if this is focus traversable
- * @see #getAccessibleStateSet()
+ * @see #getAccessibleStateSet ()
* @see AccessibleState#FOCUSABLE
* @see AccessibleState#FOCUSED
*/
- public boolean isFocusTraversable()
+ public boolean isFocusTraversable ()
{
- return Component.this.isFocusTraversable();
+ return Component.this.isFocusTraversable ();
}
/**
* Requests focus for this component.
*
- * @see #isFocusTraversable()
+ * @see #isFocusTraversable ()
*/
- public void requestFocus()
+ public void requestFocus ()
{
- Component.this.requestFocus();
+ Component.this.requestFocus ();
}
/**