org.eclipse.swt.widgets.Canvas.isVisible()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.isVisible()方法的一些代码示例，展示了Canvas.isVisible()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.isVisible()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Canvas
类名称：Canvas
方法名：isVisible

Canvas.isVisible介绍

暂无

代码示例

代码示例来源：origin: BiglySoftware/BiglyBT

  1. @Override
  2.   public void handleEvent(Event e) {
  3.     if (refreshInfoCanvasQueued || !peerInfoCanvas.isVisible()) {
  4.       return;
  5.     }
  6.     // wrap in asyncexec because sc.setMinWidth (called later) doesn't work
  7.     // too well inside a resize (the canvas won't size isn't always updated)
  8.     Utils.execSWTThreadLater(100, new AERunnable() {
  9.       @Override
  10.       public void runSupport() {
  11.         if (refreshInfoCanvasQueued) {
  12.           return;
  13.         }
  14.         refreshInfoCanvasQueued = true;
  15.         if (img != null) {
  16.           int iOldColCount = img.getBounds().width / BLOCK_SIZE;
  17.           int iNewColCount = peerInfoCanvas.getClientArea().width / BLOCK_SIZE;
  18.           if (iOldColCount != iNewColCount)
  19.             refreshInfoCanvas();
  20.         }
  21.       }
  22.     });
  23.   }
  24. });

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

  1. /**
  2.  * Returns <code>true</code> if the receiver is visible and all
  3.  * of the receiver's ancestors are visible and <code>false</code>
  4.  * otherwise.
  5.  *
  6.  * @return the receiver's visibility state
  7.  *
  8.  * @exception SWTException <ul>
  9.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  10.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  11.  * </ul>
  12.  *
  13.  * @see #getVisible
  14.  */
  15. public boolean isVisible () {
  16.   checkWidget();
  17.   return isVisible && parent.isVisible () && parent.hasFocus ();
  18. }

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

  1. /**
  2.  * Returns <code>true</code> if the receiver is visible and all
  3.  * of the receiver's ancestors are visible and <code>false</code>
  4.  * otherwise.
  5.  *
  6.  * @return the receiver's visibility state
  7.  *
  8.  * @exception SWTException <ul>
  9.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  10.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  11.  * </ul>
  12.  *
  13.  * @see #getVisible
  14.  */
  15. public boolean isVisible () {
  16.   checkWidget();
  17.   return isVisible && parent.isVisible () && parent.hasFocus ();
  18. }

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

  1. /**
  2.  * Returns <code>true</code> if the receiver is visible and all
  3.  * of the receiver's ancestors are visible and <code>false</code>
  4.  * otherwise.
  5.  *
  6.  * @return the receiver's visibility state
  7.  *
  8.  * @exception SWTException <ul>
  9.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  10.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  11.  * </ul>
  12.  *
  13.  * @see #getVisible
  14.  */
  15. public boolean isVisible () {
  16.   checkWidget();
  17.   return isVisible && parent.isVisible () && hasFocus ();
  18. }

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

  1. /**
  2.  * Returns <code>true</code> if the receiver is visible and all
  3.  * of the receiver's ancestors are visible and <code>false</code>
  4.  * otherwise.
  5.  *
  6.  * @return the receiver's visibility state
  7.  *
  8.  * @exception SWTException <ul>
  9.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  10.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  11.  * </ul>
  12.  *
  13.  * @see #getVisible
  14.  */
  15. public boolean isVisible () {
  16.   checkWidget();
  17.   return isVisible && parent.isVisible () && parent.hasFocus ();
  18. }

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

  1. /**
  2.  * Returns <code>true</code> if the receiver is visible and all
  3.  * of the receiver's ancestors are visible and <code>false</code>
  4.  * otherwise.
  5.  *
  6.  * @return the receiver's visibility state
  7.  *
  8.  * @exception SWTException <ul>
  9.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  10.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  11.  * </ul>
  12.  *
  13.  * @see #getVisible
  14.  */
  15. public boolean isVisible () {
  16.   checkWidget();
  17.   return isVisible && parent.isVisible () && parent.hasFocus ();
  18. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

  1. horizontalOffset = selection;
  2. redraw ();
  3. if (header.isVisible () && drawCount <= 0) header.redraw ();

代码示例来源：origin: BiglySoftware/BiglyBT

  1. boolean sizeChanged)
  2. if ( drawCanvas == null || drawCanvas.isDisposed() || !drawCanvas.isVisible()){

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

  1. void onScrollHorizontal (Event event) {
  2.   ScrollBar hBar = getHorizontalBar ();
  3.   if (hBar == null) return;
  4.   int newSelection = hBar.getSelection ();
  5.   update ();
  6.   if (itemsCount > 0) {
  7.     GC gc = new GC (this);
  8.     gc.copyArea (
  9.       0, 0,
  10.       clientArea.width, clientArea.height,
  11.       horizontalOffset - newSelection, 0);
  12.     gc.dispose ();
  13.   } else {
  14.     redraw ();    /* ensure that static focus rectangle updates properly */
  15.   }
  17.   if (drawCount <= 0 && header.isVisible ()) {
  18.     header.update ();
  19.     Rectangle headerClientArea = header.getClientArea ();
  20.     GC gc = new GC (header);
  21.     gc.copyArea (
  22.       0, 0,
  23.       headerClientArea.width, headerClientArea.height,
  24.       horizontalOffset - newSelection, 0);
  25.     gc.dispose ();
  26.   }
  27.   horizontalOffset = newSelection;
  28. }
  29. void onScrollVertical (Event event) {

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

  1. if (hBar != null) hBar.setSelection (horizontalOffset);
  2. redraw ();
  3. if (drawCount <= 0 && header.isVisible ()) header.redraw ();

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

  1. if (drawCount <= 0 && header.isVisible ()) header.redraw ();

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

  1. if (drawCount <= 0 && header.isVisible ()) header.redraw ();

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

  1. if (!isVisible ()) return;
  2. boolean isFocus = caret != null && caret.isFocusCaret ();
  3. if (isFocus) caret.killFocus ();

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

  1. if (!isVisible ()) return;
  2. boolean isFocus = caret != null && caret.isFocusCaret ();
  3. if (isFocus) caret.killFocus ();

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

  1. if (!isVisible ()) return;
  2. boolean isFocus = caret != null && caret.isFocusCaret ();
  3. if (isFocus) caret.killFocus ();

代码示例来源：origin: BiglySoftware/BiglyBT

  1. protected void drawScale(boolean sizeChanged) {
  2.  if(drawCanvas == null || drawCanvas.isDisposed() || !drawCanvas.isVisible())
  3.   return;

代码示例来源：origin: BiglySoftware/BiglyBT

  1. protected void drawChart(boolean sizeChanged) {
  2.    if (drawCanvas == null || drawCanvas.isDisposed() || !drawCanvas.isVisible())

代码示例来源：origin: BiglySoftware/BiglyBT

  1. || !pieceInfoCanvas.isVisible()) {
  2. return( result );

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