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

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.eclipse.swt.widgets.Group.checkWidget()方法的一些代码示例，展示了Group.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。Group.checkWidget()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Group
类名称：Group
方法名：checkWidget

Group.checkWidget介绍

暂无

代码示例

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

/**
 * Returns the receiver's text, which is the string that the
 * is used as the <em>title</em>. If the text has not previously
 * been set, returns an empty string.
 *
 * @return the text
 *
 * @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>
 */
public String getText() {
 checkWidget();
 return text;
}

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

/**
 * Returns the receiver's text, which is the string that the
 * is used as the <em>title</em>. If the text has not previously
 * been set, returns an empty string.
 *
 * @return the text
 *
 * @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>
 */
public String getText () {
  checkWidget();
  return text;
}

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

/**
 * Returns the receiver's text, which is the string that the
 * is used as the <em>title</em>. If the text has not previously
 * been set, returns an empty string.
 *
 * @return the text
 *
 * @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>
 */
public String getText () {
  checkWidget ();
  return text;
}

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

/**
 * Returns the receiver's text, which is the string that the
 * is used as the <em>title</em>. If the text has not previously
 * been set, returns an empty string.
 *
 * @return the text
 *
 * @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>
 */
public String getText () {
  checkWidget();
  return text;
}

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

/**
 * Returns the receiver's text, which is the string that the
 * is used as the <em>title</em>. If the text has not previously
 * been set, returns an empty string.
 *
 * @return the text
 *
 * @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>
 */
public String getText () {
  checkWidget();
  return text;
}

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

/**
 * Returns the receiver's text, which is the string that the
 * is used as the <em>title</em>. If the text has not previously
 * been set, returns an empty string.
 *
 * @return the text
 *
 * @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>
 */
public String getText () {
  checkWidget ();
  return text;
}
boolean isTransparent() {

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

public Rectangle getClientArea () {
  checkWidget();
  NSRect rect = contentView.bounds();
  int width = Math.max (0, (int) rect.width - hMargin * 2);
  int height = Math.max (0, (int) rect.height - vMargin * 2);
  return new Rectangle((int)(rect.x) + hMargin, (int)(rect.y) + vMargin, width, height);
}

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

checkWidget();
if( text == null ) {
 SWT.error( SWT.ERROR_NULL_ARGUMENT );

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

@Override
public Rectangle getClientArea() {
 checkWidget();
 Rectangle bounds = getBounds();
 BoxDimensions trimmings = getThemeAdapter().getTrimmingSize( this );
 int trimmingsWidth = trimmings.left + trimmings.right;
 int trimmingsHeight = trimmings.top + trimmings.bottom;
 BoxDimensions border = getBorder();
 int borderWidth = border.left + border.right;
 int borderHeight = border.top + border.bottom;
 int width = Math.max( 0, bounds.width - trimmingsWidth - borderWidth );
 int height = Math.max( 0, bounds.height - trimmingsHeight - borderHeight );
 return new Rectangle( trimmings.left, trimmings.top, width, height );
}

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

@Override
public Point computeSize( int wHint, int hHint, boolean changed ) {
 checkWidget();
 Point result = super.computeSize( wHint, hHint, changed );
 int length = text.length();
 if( length != 0 ) {
  Font font = getFont();
  Point stringExtent = TextSizeUtil.stringExtent( font, text );
  BoxDimensions headTrimmings = getThemeAdapter().getHeaderTrimmingSize( this );
  int headerWidth = stringExtent.x + headTrimmings.left + headTrimmings.right;
  result.x = Math.max( result.x, headerWidth );
 }
 return result;
}

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

public Rectangle computeTrim (int x, int y, int width, int height) {
  checkWidget ();
  NSBox widget = (NSBox)view;
  NSRect newRect = new NSRect();
  newRect.x = x;
  newRect.y = y;
  newRect.width = width;
  newRect.height = height;
  NSRect oldRect = widget.frame();
  ignoreResize = true;
  widget.setFrameFromContentFrame(newRect);
  newRect = widget.frame();
  widget.setFrame(oldRect);
  ignoreResize = false;
  x = (int) Math.ceil(newRect.x) - hMargin;
  y = (int) Math.ceil(newRect.y) - vMargin;
  width = (int) Math.ceil(newRect.width) + (hMargin * 2);
  height = (int) Math.ceil(newRect.height) + (vMargin * 2);
  return super.computeTrim(x, y, width, height);
}

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

@Override
Rectangle computeTrimInPixels (int x, int y, int width, int height) {
  checkWidget();
  forceResize ();
  GtkAllocation allocation = new GtkAllocation();
  OS.gtk_widget_get_allocation (clientHandle, allocation);
  int clientX = allocation.x;
  int clientY = allocation.y;
  x -= clientX;
  y -= clientY;
  width += clientX + clientX;
  height += clientX + clientY;
  return new Rectangle (x, y, width, height);
}

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

@Override
Rectangle computeTrimInPixels (int x, int y, int width, int height) {
  checkWidget();
  forceResize ();
  GtkAllocation allocation = new GtkAllocation();
  OS.gtk_widget_get_allocation (clientHandle, allocation);
  int clientX = allocation.x;
  int clientY = allocation.y;
  x -= clientX;
  y -= clientY;
  width += clientX + clientX;
  height += clientX + clientY;
  return new Rectangle (x, y, width, height);
}

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

@Override
Rectangle computeTrimInPixels (int x, int y, int width, int height) {
  checkWidget();
  forceResize ();
  GtkAllocation allocation = new GtkAllocation();
  OS.gtk_widget_get_allocation (clientHandle, allocation);
  int clientX = allocation.x;
  int clientY = allocation.y;
  x -= clientX;
  y -= clientY;
  width += clientX + clientX;
  height += clientX + clientY;
  return new Rectangle (x, y, width, height);
}

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

@Override
public void setFont (Font font) {
  checkWidget ();
  Rectangle oldRect = getClientAreaInPixels ();
  super.setFont (font);
  Rectangle newRect = getClientAreaInPixels ();
  if (!oldRect.equals (newRect)) sendResize ();
}

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

checkWidget();
if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
text = string;

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

@Override Rectangle getClientAreaInPixels () {
  checkWidget ();
  forceResize ();
  RECT rect = new RECT ();
  OS.GetClientRect (handle, rect);
  int /*long*/ newFont, oldFont = 0;
  int /*long*/ hDC = OS.GetDC (handle);
  newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
  if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
  TEXTMETRIC tm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA ();
  OS.GetTextMetrics (hDC, tm);
  if (newFont != 0) OS.SelectObject (hDC, oldFont);
  OS.ReleaseDC (handle, hDC);
  int offsetY = OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed () ? 0 : 1;
  int x = CLIENT_INSET, y = tm.tmHeight + offsetY;
  int width = Math.max (0, rect.right - CLIENT_INSET * 2);
  int height = Math.max (0, rect.bottom - y - CLIENT_INSET);
  return new Rectangle (x, y, width, height);
}

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

@Override Point computeSizeInPixels (int wHint, int hHint, boolean changed) {
  checkWidget ();
  Point size = super.computeSizeInPixels (wHint, hHint, changed);
  int length = text.length ();
  if (length != 0) {
    String string = fixText (false);

    /*
    * If the group has text, and the text is wider than the
    * client area, pad the width so the text is not clipped.
    */
    TCHAR buffer = new TCHAR (getCodePage (), string == null ? text : string, true);
    int /*long*/ newFont, oldFont = 0;
    int /*long*/ hDC = OS.GetDC (handle);
    newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
    if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
    RECT rect = new RECT ();
    int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE;
    OS.DrawText (hDC, buffer, -1, rect, flags);
    if (newFont != 0) OS.SelectObject (hDC, oldFont);
    OS.ReleaseDC (handle, hDC);
    int offsetY = OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed () ? 0 : 1;
    size.x = Math.max (size.x, rect.right - rect.left + CLIENT_INSET * 6 + offsetY);
  }
  return size;
}

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

checkWidget ();
if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
text = string;

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

@Override Rectangle computeTrimInPixels (int x, int y, int width, int height) {
  checkWidget ();
  Rectangle trim = super.computeTrimInPixels (x, y, width, height);
  int /*long*/ newFont, oldFont = 0;
  int /*long*/ hDC = OS.GetDC (handle);
  newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
  if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
  TEXTMETRIC tm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA ();
  OS.GetTextMetrics (hDC, tm);
  if (newFont != 0) OS.SelectObject (hDC, oldFont);
  OS.ReleaseDC (handle, hDC);
  int offsetY = OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed () ? 0 : 1;
  trim.x -= CLIENT_INSET;
  trim.y -= tm.tmHeight + offsetY;
  trim.width += CLIENT_INSET * 2;
  trim.height += tm.tmHeight + CLIENT_INSET + offsetY;
  return trim;
}

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