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

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中org.eclipse.swt.widgets.Canvas.checkWidget()方法的一些代码示例，展示了Canvas.checkWidget()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。Canvas.checkWidget()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Canvas
类名称：Canvas
方法名：checkWidget

Canvas.checkWidget介绍

暂无

代码示例

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

  1. /**
  2.  * Returns the IME.
  3.  *
  4.  * @return the IME
  5.  *
  6.  * @exception SWTException <ul>
  7.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  8.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  9.  * </ul>
  10.  *
  11.  * @since 3.4
  12.  */
  13. public IME getIME () {
  14.   checkWidget ();
  15.   return ime;
  16. }

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

  1. /**
  2.  * Returns the IME.
  3.  *
  4.  * @return the IME
  5.  *
  6.  * @exception SWTException <ul>
  7.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  8.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  9.  * </ul>
  10.  * 
  11.  * @since 3.4
  12.  */
  13. public IME getIME () {
  14.   checkWidget();
  15.   return ime;
  16. }

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

  1. /**
  2.  * Returns the IME.
  3.  *
  4.  * @return the IME
  5.  *
  6.  * @exception SWTException <ul>
  7.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  8.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  9.  * </ul>
  10.  *
  11.  * @since 3.4
  12.  */
  13. public IME getIME () {
  14.   checkWidget ();
  15.   return ime;
  16. }

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

  1. /**
  2.  * Returns the IME.
  3.  *
  4.  * @return the IME
  5.  *
  6.  * @exception SWTException <ul>
  7.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  8.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  9.  * </ul>
  10.  *
  11.  * @since 3.4
  12.  */
  13. public IME getIME () {
  14.   checkWidget ();
  15.   return ime;
  16. }

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

  1. /**
  2.  * Returns the IME.
  3.  *
  4.  * @return the IME
  5.  *
  6.  * @exception SWTException <ul>
  7.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  8.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  9.  * </ul>
  10.  *
  11.  * @since 3.4
  12.  */
  13. public IME getIME () {
  14.   checkWidget ();
  15.   return ime;
  16. }

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

  1. /**
  2.  * Returns the caret.
  3.  * <p>
  4.  * The caret for the control is automatically hidden
  5.  * and shown when the control is painted or resized,
  6.  * when focus is gained or lost and when an the control
  7.  * is scrolled.  To avoid drawing on top of the caret,
  8.  * the programmer must hide and show the caret when
  9.  * drawing in the window any other time.
  10.  * </p>
  11.  *
  12.  * @return the caret for the receiver, may be null
  13.  *
  14.  * @exception SWTException <ul>
  15.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  16.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  17.  * </ul>
  18.  */
  19. public Caret getCaret () {
  20.   checkWidget();
  21.   return caret;
  22. }

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

  1. /**
  2.  * Returns the caret.
  3.  * <p>
  4.  * The caret for the control is automatically hidden
  5.  * and shown when the control is painted or resized,
  6.  * when focus is gained or lost and when an the control
  7.  * is scrolled.  To avoid drawing on top of the caret,
  8.  * the programmer must hide and show the caret when
  9.  * drawing in the window any other time.
  10.  * </p>
  11.  *
  12.  * @return the caret for the receiver, may be null
  13.  *
  14.  * @exception SWTException <ul>
  15.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  16.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  17.  * </ul>
  18.  */
  19. public Caret getCaret () {
  20.   checkWidget();
  21.   return caret;
  22. }

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

  1. /**
  2.  * Returns the caret.
  3.  * <p>
  4.  * The caret for the control is automatically hidden
  5.  * and shown when the control is painted or resized,
  6.  * when focus is gained or lost and when an the control
  7.  * is scrolled.  To avoid drawing on top of the caret,
  8.  * the programmer must hide and show the caret when
  9.  * drawing in the window any other time.
  10.  * </p>
  11.  *
  12.  * @return the caret for the receiver, may be null
  13.  *
  14.  * @exception SWTException <ul>
  15.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  16.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  17.  * </ul>
  18.  */
  19. public Caret getCaret () {
  20.   checkWidget ();
  21.   return caret;
  22. }

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

  1. public void setFont (Font font) {
  2.   checkWidget ();
  3.   if (caret != null) caret.setFont (font);
  4.   super.setFont (font);
  5. }

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

  1. @Override
  2. public void setFont (Font font) {
  3.   checkWidget();
  4.   if (caret != null) caret.setFont (font);
  5.   super.setFont (font);
  6. }

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

  1. @Override
  2. public void setFont (Font font) {
  3.   checkWidget();
  4.   if (caret != null) caret.setFont (font);
  5.   super.setFont (font);
  6. }

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

  1. @Override
  2. public void setFont (Font font) {
  3.   checkWidget ();
  4.   if (caret != null) caret.setFont (font);
  5.   super.setFont (font);
  6. }

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

  1. @Override
  2. public void setFont (Font font) {
  3.   checkWidget();
  4.   if (caret != null) caret.setFont (font);
  5.   super.setFont (font);
  6. }

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

  1. /**
  2.  * Sets the receiver's IME.
  3.  *
  4.  * @param ime the new IME for the receiver, may be null
  5.  *
  6.  * @exception IllegalArgumentException <ul>
  7.  *    <li>ERROR_INVALID_ARGUMENT - if the IME has been disposed</li>
  8.  * </ul>
  9.  * @exception SWTException <ul>
  10.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  11.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  12.  * </ul>
  13.  *
  14.  * @since 3.4
  15.  */
  16. public void setIME (IME ime) {
  17.   checkWidget ();
  18.   if (ime != null && ime.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
  19.   this.ime = ime;
  20. }

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

  1. /**
  2.  * Sets the receiver's IME.
  3.  * 
  4.  * @param ime the new IME for the receiver, may be null
  5.  *
  6.  * @exception IllegalArgumentException <ul>
  7.  *    <li>ERROR_INVALID_ARGUMENT - if the IME has been disposed</li>
  8.  * </ul>
  9.  * @exception SWTException <ul>
  10.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  11.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  12.  * </ul>
  13.  * 
  14.  * @since 3.4
  15.  */
  16. public void setIME (IME ime) {
  17.   checkWidget ();
  18.   if (ime != null && ime.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
  19.   this.ime = ime;
  20. }

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

  1. /**
  2.  * Sets the receiver's IME.
  3.  *
  4.  * @param ime the new IME for the receiver, may be null
  5.  *
  6.  * @exception IllegalArgumentException <ul>
  7.  *    <li>ERROR_INVALID_ARGUMENT - if the IME has been disposed</li>
  8.  * </ul>
  9.  * @exception SWTException <ul>
  10.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  11.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  12.  * </ul>
  13.  *
  14.  * @since 3.4
  15.  */
  16. public void setIME (IME ime) {
  17.   checkWidget ();
  18.   if (ime != null && ime.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
  19.   this.ime = ime;
  20. }

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

  1. /**
  2.  * Sets the receiver's IME.
  3.  *
  4.  * @param ime the new IME for the receiver, may be null
  5.  *
  6.  * @exception IllegalArgumentException <ul>
  7.  *    <li>ERROR_INVALID_ARGUMENT - if the IME has been disposed</li>
  8.  * </ul>
  9.  * @exception SWTException <ul>
  10.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  11.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  12.  * </ul>
  13.  *
  14.  * @since 3.4
  15.  */
  16. public void setIME (IME ime) {
  17.   checkWidget ();
  18.   if (ime != null && ime.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
  19.   this.ime = ime;
  20. }

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

  1. /**
  2.  * Sets the receiver's IME.
  3.  *
  4.  * @param ime the new IME for the receiver, may be null
  5.  *
  6.  * @exception IllegalArgumentException <ul>
  7.  *    <li>ERROR_INVALID_ARGUMENT - if the IME has been disposed</li>
  8.  * </ul>
  9.  * @exception SWTException <ul>
  10.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  11.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  12.  * </ul>
  13.  *
  14.  * @since 3.4
  15.  */
  16. public void setIME (IME ime) {
  17.   checkWidget ();
  18.   if (ime != null && ime.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
  19.   this.ime = ime;
  20. }

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.rwt

  1. /**
  2.  * Removes the listener from the collection of listeners who will
  3.  * be notified when the receiver needs to be painted.
  4.  *
  5.  * @param listener the listener which should no longer be notified
  6.  *
  7.  * @exception IllegalArgumentException <ul>
  8.  *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
  9.  * </ul>
  10.  * @exception SWTException <ul>
  11.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  12.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  13.  * </ul>
  14.  *
  15.  * @see PaintListener
  16.  * @see #addPaintListener
  17.  * @since 1.3
  18.  */
  19. public void removePaintListener( PaintListener listener ) {
  20.  checkWidget();
  21.  if( listener == null ) {
  22.   error( SWT.ERROR_NULL_ARGUMENT );
  23.  }
  24.  removeListener( SWT.Paint, listener );
  25. }

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

  1. void clearArea (int x, int y, int width, int height) {
  2.   checkWidget ();
  3.   if (OS.IsWindowVisible (handle)) {
  4.     RECT rect = new RECT ();
  5.     OS.SetRect (rect, x, y, x + width, y + height);
  6.     int /*long*/ hDC = OS.GetDCEx (handle, 0, OS.DCX_CACHE | OS.DCX_CLIPCHILDREN | OS.DCX_CLIPSIBLINGS);
  7.     drawBackground (hDC, rect);
  8.     OS.ReleaseDC (handle, hDC);
  9.   }
  10. }

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