diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Display.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Display.java | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Display.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Display.java index 18f836d4ae..5f6cf3ec40 100755 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Display.java +++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Display.java @@ -289,7 +289,10 @@ public class Display extends Device { static final int SWT_RESIZE = OS.WM_APP + 4; static final int SWT_TRAYICONMSG = OS.WM_APP + 5; static int SWT_TASKBARCREATED; - + + /* Workaround for Adobe Reader 7.0 */ + int hitCount; + /* Package Name */ static final String PACKAGE_PREFIX = "org.eclipse.swt.widgets."; //$NON-NLS-1$ /* @@ -3331,6 +3334,27 @@ static int wcsToMbcs (char ch) { } int windowProc (int hwnd, int msg, int wParam, int lParam) { + /* + * Bug in Adobe Reader 7.0. For some reason, when Adobe + * Reader 7.0 is deactivated from within Internet Explorer, + * it sends thousands of consecutive WM_NCHITTEST messages + * to the control that is under the cursor. It seems that + * if the control takes some time to respond to the message, + * Adobe stops sending them. The fix is to detect this case + * and sleep. + * + * NOTE: Under normal circumstances, Windows will never send + * consecutive WM_NCHITTEST messages to the same control without + * another message (normally WM_SETCURSOR) in between. + */ + if (msg == OS.WM_NCHITTEST) { + if (hitCount++ >= 1024) { + try {Thread.sleep (1);} catch (Throwable t) {} + } + } else { + hitCount = 0; + } + int index = OS.GetWindowLong (hwnd, OS.GWL_USERDATA) - 1; if (0 <= index && index < controlTable.length) { Control control = controlTable [index]; |