org.eclipse.swt.widgets.Widget.hooks()方法的使用及代码示例

x33g5p2x  于2022-02-02 转载在 其他  
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本文整理了Java中org.eclipse.swt.widgets.Widget.hooks()方法的一些代码示例，展示了Widget.hooks()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Widget.hooks()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Widget
类名称：Widget
方法名：hooks

Widget.hooks介绍

暂无

代码示例

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

/**
 * Returns <code>true</code> if there are any listeners
 * for the specified event type associated with the receiver,
 * and <code>false</code> otherwise. The event type is one of
 * the event constants defined in class <code>SWT</code>.
 *
 * @param eventType the type of event
 * @return true if the event is hooked
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see SWT
 */
public boolean isListening (int eventType) {
  checkWidget();
  return hooks (eventType);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

/**
 * Returns <code>true</code> if there are any listeners
 * for the specified event type associated with the receiver,
 * and <code>false</code> otherwise. The event type is one of
 * the event constants defined in class <code>SWT</code>.
 *
 * @param eventType the type of event
 * @return true if the event is hooked
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see SWT
 */
public boolean isListening (int eventType) {
  checkWidget ();
  return hooks (eventType);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

/**
 * Returns <code>true</code> if there are any listeners
 * for the specified event type associated with the receiver,
 * and <code>false</code> otherwise. The event type is one of
 * the event constants defined in class <code>SWT</code>.
 *
 * @param eventType the type of event
 * @return true if the event is hooked
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see SWT
 */
public boolean isListening (int eventType) {
  checkWidget ();
  return hooks (eventType);
}

代码示例来源：origin: org.eclipse.swt.cocoa.macosx/x86_64

/**
 * Returns <code>true</code> if there are any listeners
 * for the specified event type associated with the receiver,
 * and <code>false</code> otherwise. The event type is one of
 * the event constants defined in class <code>SWT</code>.
 *
 * @param eventType the type of event
 * @return true if the event is hooked
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see SWT
 */
public boolean isListening (int eventType) {
  checkWidget();
  return hooks (eventType);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

/**
 * Returns <code>true</code> if there are any listeners
 * for the specified event type associated with the receiver,
 * and <code>false</code> otherwise. The event type is one of
 * the event constants defined in class <code>SWT</code>.
 *
 * @param eventType the type of event
 * @return true if the event is hooked
 *
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @see SWT
 */
public boolean isListening (int eventType) {
  checkWidget ();
  return hooks (eventType);
}

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

LRESULT wmSysChar (int /*long*/ hwnd, int /*long*/ wParam, int /*long*/ lParam) {
  Display display = this.display;
  display.lastAscii = (int)/*64*/wParam;
  display.lastNull = wParam == 0;

  /* Do not issue a key down if a menu bar mnemonic was invoked */
  if (!hooks (SWT.KeyDown) && !display.filters (SWT.KeyDown)) {
    return null;
  }

  /* Call the window proc to determine whether it is a system key or mnemonic */
  boolean oldKeyHit = display.mnemonicKeyHit;
  display.mnemonicKeyHit = true;
  int /*long*/ result = callWindowProc (hwnd, OS.WM_SYSCHAR, wParam, lParam);
  boolean consumed = false;
  if (!display.mnemonicKeyHit) {
    consumed = !sendKeyEvent (SWT.KeyDown, OS.WM_SYSCHAR, wParam, lParam);
    // widget could be disposed at this point
  }
  consumed |= display.mnemonicKeyHit;
  display.mnemonicKeyHit = oldKeyHit;
  return consumed ? LRESULT.ONE : new LRESULT (result);
}

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

LRESULT wmMouseLeave (int /*long*/ hwnd, int /*long*/ wParam, int /*long*/ lParam) {
  if (!hooks (SWT.MouseExit) && !filters (SWT.MouseExit)) return null;
  int pos = OS.GetMessagePos ();
  POINT pt = new POINT ();
  OS.POINTSTOPOINT (pt, pos);
  OS.ScreenToClient (hwnd, pt);
  lParam = OS.MAKELPARAM (pt.x, pt.y);
  if (!sendMouseEvent (SWT.MouseExit, 0, hwnd, OS.WM_MOUSELEAVE, wParam, lParam)) {
    return LRESULT.ZERO;
  }
  return null;
}

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

if (!OS.IsWinCE) {
  boolean trackMouse = (state & TRACK_MOUSE) != 0;
  boolean mouseEnter = hooks (SWT.MouseEnter) || display.filters (SWT.MouseEnter);
  boolean mouseExit = hooks (SWT.MouseExit) || display.filters (SWT.MouseExit);
  boolean mouseHover = hooks (SWT.MouseHover) || display.filters (SWT.MouseHover);
  if (trackMouse || mouseEnter || mouseExit || mouseHover) {
    TRACKMOUSEEVENT lpEventTrack = new TRACKMOUSEEVENT ();

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

boolean sendMouseEvent (int type, int button, int count, int detail, boolean send, int /*long*/ hwnd, int msg, int /*long*/ wParam, int /*long*/ lParam) {
  if (!hooks (type) && !filters (type)) return true;
  Event event = new Event ();
  event.button = button;
  event.detail = detail;
  event.count = count;
  event.setLocationInPixels(OS.GET_X_LPARAM (lParam), OS.GET_Y_LPARAM (lParam));
  setInputState (event, type);
  mapEvent (hwnd, event);
  if (send) {
    sendEvent (type, event);
    if (isDisposed ()) return false;
  } else {
    postEvent (type, event);
  }
  return event.doit;
}

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

if (!hooks (type) && !filters (type)) return true;
int count = delta / OS.WHEEL_DELTA;
POINT pt = new POINT ();

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

if (!hooks (SWT.KeyUp) && !display.filters (SWT.KeyUp)) {
  display.lastKey = display.lastAscii = 0;
  display.lastVirtual = display.lastNull = display.lastDead = false;

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

boolean dragging = false, mouseDown = true;
int count = display.getClickCount (SWT.MouseDown, 1, hwnd, lParam);
if (count == 1 && (state & DRAG_DETECT) != 0 && hooks (SWT.DragDetect)) {
  if (!OS.IsWinCE) {
  if (hasMenu || hooks (SWT.MenuDetect)) {
    SHRGINFO shrg = new SHRGINFO ();
    shrg.cbSize = SHRGINFO.sizeof;

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

LRESULT wmPaint (int /*long*/ hwnd, int /*long*/ wParam, int /*long*/ lParam) {
  if (!hooks (SWT.Paint) && !filters (SWT.Paint)) {
    return null;

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