Examples of org.eclipse.swt.internal.Callback

org.eclipse.swt.internal.Callback
Instances of this class represent entry points into Java which can be invoked from operating system level callback routines.
IMPORTANT: A callback is only valid when invoked on the thread which created it. The results are undefined (and typically bad) when a callback is passed out to the operating system (or other code) in such a way that the callback is called from a different thread.

}


void addWindowSubclass () {
  int /*long*/ hwndChild = OS.GetWindow (browser.handle, OS.GW_CHILD);
  if (SubclassProc == null) {
    SubclassProc = new Callback (MozillaDelegate.class, "windowProc", 4); //$NON-NLS-1$
    MozillaProc = OS.GetWindowLongPtr (hwndChild, OS.GWL_WNDPROC);
  }
  OS.SetWindowLongPtr (hwndChild, OS.GWL_WNDPROC, SubclassProc.getAddress ());
}

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}


void addWindowSubclass () {
  long /*int*/ hwndChild = OS.GetWindow (browser.handle, OS.GW_CHILD);
  if (SubclassProc == null) {
    SubclassProc = new Callback (MozillaDelegate.class, "windowProc", 4); //$NON-NLS-1$
    MozillaProc = OS.GetWindowLongPtr (hwndChild, OS.GWL_WNDPROC);
  }
  OS.SetWindowLongPtr (hwndChild, OS.GWL_WNDPROC, SubclassProc.getAddress ());
}

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   * @return the hook installed state
   */
  public static boolean installHook() {
    if (isInstalled())
      throw new IllegalStateException("Hook is already installed.");
    callback = new Callback(Mouse_LLHook.class, "Mouse_LLHookProc", 3);
    address = callback.getAddress();
    hMouseHook = Extension.SetWindowsHookEx(Win32.WH_MOUSE_LL, address,
        Extension.GetModuleHandle(null), 0);
    isInstall = hMouseHook != 0;
    return isInstall;

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    if (OSVersionInfo.getInstance().getMajor() >= 6)
      throw new UnsupportedOperationException(
          "Windows Vista doesn't support Journal Record Hook");
    if (isInstalled())
      throw new IllegalStateException("Hook is already instaled.");
    callback = new Callback(JournalRecordHook.class,
        "JournalRecordHookProc", 3);
    address = callback.getAddress();
    hJournalRecordHook = Extension.SetWindowsHookEx(Win32.WH_JOURNALRECORD,
        address, Extension.GetModuleHandle(null), 0);
    isInstall = hJournalRecordHook != 0;

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   * @return the hook installed state
   */
  public static boolean installHook() {
    if (isInstalled())
      throw new IllegalStateException("Hook is already instaled.");
    callback = new Callback(Keyboard_LLHook.class, "Keyboard_LLHookProc", 3);
    address = callback.getAddress();
    hKeyboardHook = Extension.SetWindowsHookEx(Win32.WH_KEYBOARD_LL,
        address, Extension.GetModuleHandle(null), 0);
    isInstall = hKeyboardHook != 0;
    return isInstall;

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  public void installHook()
  {
    if (callback == null)
    {
      windowMsgCallback = new Callback(this, "WindowMsgProc", 4);
      newAddress = windowMsgCallback.getAddress();
      oldAddress = Extension.SetWindowLong(manager.getShell().handle, Win32.GWL_WNDPROC,
          newAddress);
      callback = new WNDCallback(manager.getShell(), oldAddress, newAddress)
      {

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    if (OSVersionInfo.getInstance().getMajor() >= 6)
      throw new UnsupportedOperationException(
          "Windows Vista doesn't support Journal Playback Hook");
    if (isInstalled())
      throw new IllegalStateException("Hook is already instaled.");
    callback = new Callback(JournalPlaybackHook.class,
        "JournalPlaybackHookProc", 3);
    address = callback.getAddress();
    hJournalPlaybackHook = Extension.SetWindowsHookEx(
        Win32.WH_JOURNALPLAYBACK, address, Extension
            .GetModuleHandle(null), 0);

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  /**
   * Install the hook.
   */
  public void installHook() {
    if (oleMsgCallback == null) {
      oleMsgCallback = new Callback(this, "OleMsgProc", 3);
      oleMsgProcAddress = oleMsgCallback.getAddress();
      if (oleMsgProcAddress == 0)
        SWT.error(SWT.ERROR_NO_MORE_CALLBACKS);
      int threadId = Extension.GetCurrentThreadId();
      procHandle = Extension.SetWindowsHookEx(Extension.WH_GETMESSAGE,

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  public void installHook()
  {
    if (callback == null)
    {
      windowResizeCallback = new Callback(this, "WindowResizeProc", 4);
      newAddress = windowResizeCallback.getAddress();
      oldAddress = Extension2.SetWindowLongPtr(window.getShell().handle,
          Win32.GWL_WNDPROC, newAddress);
      callback = new WNDCallback(window.getShell(), oldAddress, newAddress)
      {

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      return this;
  }


  private void installMouseHook() {
    if (mouseCallback == null) {
      mouseCallback = new Callback(this, "MouseProc", 3);
      newAddress = mouseCallback.getAddress();
      if (newAddress == 0)
        SWT.error(SWT.ERROR_NO_MORE_CALLBACKS);
      int threadId = Extension.GetCurrentThreadId();
      oldAddress = Extension.SetWindowsHookEx(Win32.WH_MOUSE, newAddress,

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com.redcareditor.application_swt.CocoaUIEnhancer

org.eclipse.swt.browser.Browser

org.eclipse.swt.browser.MozillaDelegate

org.eclipse.swt.dnd.ClipboardProxy

org.eclipse.swt.printing.Printer

org.sf.feeling.swt.win32.extension.hook.JournalPlaybackHook

org.sf.feeling.swt.win32.extension.hook.JournalRecordHook

org.sf.feeling.swt.win32.extension.hook.Keyboard_LLHook

org.sf.feeling.swt.win32.extension.hook.Mouse_LLHook

org.sf.feeling.swt.win32.extension.io.hook.CDDriveMsgHook

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