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Code Issues Wiki Activity

added logging to recursion guard (log at most once!)

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This commit is contained in:
Michael Scharf 2007-10-08 13:21:03 +00:00
parent c3978f51b4
commit ab379497f4
1 changed files with 11 additions and 0 deletions
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11
terminal/org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/textcanvas/VirtualCanvas.java
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@ -11,6 +11,8 @@
package org.eclipse.tm.internal.terminal.textcanvas; package org.eclipse.tm.internal.terminal.textcanvas;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.swt.SWT; import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent; import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener; import org.eclipse.swt.events.DisposeListener;
@ -23,6 +25,7 @@ import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.ScrollBar; import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.tm.internal.terminal.control.impl.TerminalPlugin;
/** /**
* A <code>Canvas</code> showing a virtual object. * A <code>Canvas</code> showing a virtual object.
@ -38,6 +41,7 @@ public abstract class VirtualCanvas extends Canvas {
* prevent infinite loop in {@link #updateScrollbars()} * prevent infinite loop in {@link #updateScrollbars()}
*/ */
private boolean fInUpdateScrollbars; private boolean fInUpdateScrollbars;
private static boolean fInUpdateScrollbarsLogged;
public VirtualCanvas(Composite parent, int style) { public VirtualCanvas(Composite parent, int style) {
super(parent, style|SWT.NO_BACKGROUND|SWT.NO_REDRAW_RESIZE); super(parent, style|SWT.NO_BACKGROUND|SWT.NO_REDRAW_RESIZE);
@ -301,6 +305,13 @@ public abstract class VirtualCanvas extends Canvas {
} finally { } finally {
fInUpdateScrollbars=false; fInUpdateScrollbars=false;
} }
} else {
if(!fInUpdateScrollbarsLogged) {
fInUpdateScrollbarsLogged=true;
TerminalPlugin.getDefault().getLog().log(new Status(IStatus.WARNING,
TerminalPlugin.PLUGIN_ID, IStatus.OK, "Unexpected Recursion in terminal", //$NON-NLS-1$
new RuntimeException()));
}
} }
} }
private void doUpdateScrollbar() { private void doUpdateScrollbar() {