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());
 }
Esempio n. 2
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  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, 0, threadId);
      shell.addDisposeListener(
          new DisposeListener() {

            public void widgetDisposed(DisposeEvent e) {
              if (mouseCallback != null) {
                Extension.UnhookWindowsHookEx(oldAddress);
                mouseCallback.dispose();
                mouseCallback = null;
                newAddress = 0;
              }
            }
          });
    }
  }
Esempio n. 3
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 static {
   menuItemSelectedFunc = new Callback(ToolBar.class, "MenuItemSelectedProc", 2);
   if (menuItemSelectedFunc.getAddress() == 0) SWT.error(SWT.ERROR_NO_MORE_CALLBACKS);
 }
Esempio n. 4
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  /** See Apple Technical Q&A 1079 (http://developer.apple.com/qa/qa2001/qa1079.html) */
  @Override
  public void initPlatformMenu(Display display, final PlatformMenuActions actions) {
    // Callback target
    Object target =
        new Object() {
          int commandProc(int nextHandler, int theEvent, int userData) {
            if (OS.GetEventKind(theEvent) == OS.kEventProcessCommand) {
              HICommand command = new HICommand();
              OS.GetEventParameter(
                  theEvent,
                  OS.kEventParamDirectObject,
                  OS.typeHICommand,
                  null,
                  HICommand.sizeof,
                  null,
                  command);
              switch (command.commandID) {
                case kHICommandPreferences:
                  actions.doPreferences();
                  return OS.noErr;
                case kHICommandAbout:
                  actions.doAbout();
                  return OS.noErr;
                case OS.kHICommandQuit:
                  actions.doExitApplication();
                  return OS.noErr;
                default:
                  break;
              }
            }
            return OS.eventNotHandledErr;
          }
        };

    final Callback commandCallback = new Callback(target, "commandProc", 3); // $NON-NLS-1$
    int commandProc = commandCallback.getAddress();
    if (commandProc == 0) {
      commandCallback.dispose();
      return; // give up
    }

    // Install event handler for commands
    int[] mask = new int[] {OS.kEventClassCommand, OS.kEventProcessCommand};
    OS.InstallEventHandler(
        OS.GetApplicationEventTarget(), commandProc, mask.length / 2, mask, 0, null);

    // create About Eclipse menu command
    int[] outMenu = new int[1];
    short[] outIndex = new short[1];
    if (OS.GetIndMenuItemWithCommandID(0, kHICommandPreferences, 1, outMenu, outIndex) == OS.noErr
        && outMenu[0] != 0) {
      int menu = outMenu[0];

      int l = fAboutActionName.length();
      char buffer[] = new char[l];
      fAboutActionName.getChars(0, l, buffer, 0);
      int str = OS.CFStringCreateWithCharacters(OS.kCFAllocatorDefault, buffer, l);
      OS.InsertMenuItemTextWithCFString(menu, str, (short) 0, 0, kHICommandAbout);
      OS.CFRelease(str);

      // add separator between About & Preferences
      OS.InsertMenuItemTextWithCFString(menu, 0, (short) 1, OS.kMenuItemAttrSeparator, 0);

      // enable pref menu
      OS.EnableMenuCommand(menu, kHICommandPreferences);

      // disable services menu
      OS.DisableMenuCommand(menu, kHICommandServices);
    }

    // schedule disposal of callback object
    display.disposeExec(
        new Runnable() {
          public void run() {
            commandCallback.dispose();
          }
        });
  }