diff options
Diffstat (limited to 'libjava/classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java')
| -rw-r--r-- | libjava/classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java | 118 |
1 files changed, 71 insertions, 47 deletions
diff --git a/libjava/classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java b/libjava/classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java index bfa14dddee3..71a7bac4d00 100644 --- a/libjava/classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java +++ b/libjava/classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java @@ -1,5 +1,5 @@ /* SwingComponentPeer.java -- An abstract base class for Swing based peers - Copyright (C) 2006 Free Software Foundation, Inc. + Copyright (C) 2006, 2007 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -45,6 +45,7 @@ import java.awt.Component; import java.awt.Container; import java.awt.Cursor; import java.awt.Dimension; +import java.awt.EventQueue; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; @@ -54,6 +55,7 @@ import java.awt.Point; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.BufferCapabilities.FlipContents; +import java.awt.event.FocusEvent; import java.awt.event.KeyEvent; import java.awt.event.MouseEvent; import java.awt.event.PaintEvent; @@ -349,12 +351,7 @@ public class SwingComponentPeer */ public Dimension getMinimumSize() { - Dimension retVal; - if (swingComponent != null) - retVal = swingComponent.getJComponent().getMinimumSize(); - else - retVal = new Dimension(0, 0); - return retVal; + return minimumSize(); } /** @@ -367,12 +364,7 @@ public class SwingComponentPeer */ public Dimension getPreferredSize() { - Dimension retVal; - if (swingComponent != null) - retVal = swingComponent.getJComponent().getPreferredSize(); - else - retVal = new Dimension(0, 0); - return retVal; + return preferredSize(); } /** @@ -395,30 +387,28 @@ public class SwingComponentPeer public void handleEvent(AWTEvent e) { switch (e.getID()) - { + { case PaintEvent.UPDATE: case PaintEvent.PAINT: - // Need to synchronize to avoid threading problems on the - // paint event list. - // We must synchronize on the tree lock first to avoid deadlock, - // because Container.paint() will grab it anyway. - synchronized (this) + if (awtComponent.isShowing()) { - assert paintArea != null; - if (awtComponent.isShowing()) + Rectangle clip ; + synchronized (this) { - Graphics g = awtComponent.getGraphics(); - try - { - Rectangle clip = paintArea; - g.clipRect(clip.x, clip.y, clip.width, clip.height); - peerPaint(g, e.getID() == PaintEvent.UPDATE); - } - finally - { - g.dispose(); - paintArea = null; - } + coalescePaintEvent((PaintEvent) e); + assert paintArea != null; + clip = paintArea; + paintArea = null; + } + Graphics g = awtComponent.getGraphics(); + try + { + g.clipRect(clip.x, clip.y, clip.width, clip.height); + peerPaint(g, e.getID() == PaintEvent.UPDATE); + } + finally + { + g.dispose(); } } break; @@ -438,10 +428,14 @@ public class SwingComponentPeer case KeyEvent.KEY_TYPED: handleKeyEvent((KeyEvent) e); break; + case FocusEvent.FOCUS_GAINED: + case FocusEvent.FOCUS_LOST: + handleFocusEvent((FocusEvent)e); + break; default: // Other event types are not handled here. break; - } + } } /** @@ -574,13 +568,16 @@ public class SwingComponentPeer * This is implemented to call repaint() on the Swing component. * * @param tm number of milliseconds to wait with repainting - * @param x the X coordinate of the upper left corner of the damaged rectangle - * @param y the Y coordinate of the upper left corner of the damaged rectangle + * @param x the X coordinate of the upper left corner of the damaged + * rectangle + * @param y the Y coordinate of the upper left corner of the damaged + * rectangle * @param width the width of the damaged rectangle * @param height the height of the damaged rectangle */ public void repaint(long tm, int x, int y, int width, int height) { + // NOTE: This is never called by AWT but is mandated by the peer interface. if (swingComponent != null) swingComponent.getJComponent().repaint(tm, x, y, width, height); else @@ -602,8 +599,10 @@ public class SwingComponentPeer */ public void requestFocus() { - if (swingComponent != null) - swingComponent.getJComponent().requestFocus(); + // NOTE: This is never called by AWT but is mandated by the peer interface. + Toolkit tk = Toolkit.getDefaultToolkit(); + EventQueue q = tk.getSystemEventQueue(); + q.postEvent(new FocusEvent(awtComponent, FocusEvent.FOCUS_GAINED, false)); } /** @@ -612,18 +611,22 @@ public class SwingComponentPeer * * This calls requestFocus() on the Swing component. * - * @param source TODO - * @param bool1 TODO - * @param bool2 TODO - * @param x TODO + * @param source the actual component that requests focus (may be a + * lightweight descendant of the heavyweight container) + * @param tmp true when the change is temporary + * @param allowWindowFocus + * @param tm the timestamp of the focus change * - * @return TODO + * @return true when the focus change is guaranteed to be granted, false + * otherwise */ - public boolean requestFocus(Component source, boolean bool1, boolean bool2, long x) + public boolean requestFocus(Component source, boolean tmp, + boolean allowWindowFocus, long tm) { - if (swingComponent != null) - swingComponent.getJComponent().requestFocus(); - return swingComponent != null; + Toolkit tk = Toolkit.getDefaultToolkit(); + EventQueue q = tk.getSystemEventQueue(); + q.postEvent(new FocusEvent(source, FocusEvent.FOCUS_GAINED, tmp)); + return true; } /** @@ -1101,6 +1104,19 @@ public class SwingComponentPeer } /** + * Handles focus events on the component. This is usually forwarded to the + * SwingComponent's processFocusEvent() method. + * + * @param e the key event + */ + protected void handleFocusEvent(FocusEvent e) + { + if (swingComponent != null) + swingComponent.handleFocusEvent(e); + } + + + /** * Returns the AWT component for this peer. * * @return the AWT component for this peer @@ -1109,4 +1125,12 @@ public class SwingComponentPeer { return awtComponent; } + + public boolean requestFocus(Component lightweightChild, boolean temporary, + boolean focusedWindowChangeAllowed, + long time, sun.awt.CausedFocusEvent.Cause cause) + { + return true; + } + } |
