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

x33g5p2x  于2022-01-30 转载在 其他  
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本文整理了Java中org.eclipse.swt.widgets.ScrollBar.getMaximum()方法的一些代码示例，展示了ScrollBar.getMaximum()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。ScrollBar.getMaximum()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.ScrollBar
类名称：ScrollBar
方法名：getMaximum

ScrollBar.getMaximum介绍

[英]Returns the maximum value which the receiver will allow.
[中]返回接收器允许的最大值。

代码示例

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.nebula.widgets.grid

/**
 * {@inheritDoc}
 */
public int getMaximum()
{
  return scrollBar.getMaximum();
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.e4.ui.css.swt

private void checkNeedUpdate() {
  if(fScrollBar != null){
    if (fLastMax != fScrollBar.getMaximum() || fLastSelection != fScrollBar.getSelection()) {
      this.fAbstractThemedScrollBarAdapter.fPainter.redrawScrollBars();
    }
  }
}

代码示例来源：origin: openaudible/openaudible

public void scrollToEnd() {
  SWTAsync.assertGUI();
  
  ScrollBar sb = consoleText.getVerticalBar();
  if (sb != null) {
    sb.setSelection(sb.getMaximum());
  }
}

代码示例来源：origin: BiglySoftware/BiglyBT

@Override
    public void runSupport() {
      if (isDisposed()) {
        return;
      }
      int pos = vBar.getSelection();
      if ( distance > 0 ){
        pos += distance;
        pos = Math.min( pos,vBar.getMaximum());
        vBar.setSelection( pos );
      }else{
        pos += distance;
        pos = Math.max( pos,vBar.getMinimum());
        vBar.setSelection( pos );
      }
      swt_vBarChanged();
    }});
}

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

/**
 * Sets the single <em>selection</em> that is the receiver's
 * value to the argument which must be greater than or equal
 * to zero.
 *
 * @param selection the new selection (must be zero or greater)
 *
 * @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 void setSelection (int selection) {
  checkWidget ();
  selection = Math.min (selection, getMaximum() - getThumb());
  OS.g_signal_handlers_block_matched (adjustmentHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, VALUE_CHANGED);
  OS.gtk_adjustment_set_value (adjustmentHandle, selection);
  OS.g_signal_handlers_unblock_matched (adjustmentHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, VALUE_CHANGED);
}

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

/**
 * Sets the single <em>selection</em> that is the receiver's
 * value to the argument which must be greater than or equal
 * to zero.
 *
 * @param selection the new selection (must be zero or greater)
 *
 * @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 void setSelection (int selection) {
  checkWidget ();
  selection = Math.min (selection, getMaximum() - getThumb());
  OS.g_signal_handlers_block_matched (adjustmentHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, VALUE_CHANGED);
  OS.gtk_adjustment_set_value (adjustmentHandle, selection);
  OS.g_signal_handlers_unblock_matched (adjustmentHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, VALUE_CHANGED);
}

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

/**
 * Sets the single <em>selection</em> that is the receiver's
 * value to the argument which must be greater than or equal
 * to zero.
 *
 * @param selection the new selection (must be zero or greater)
 *
 * @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 void setSelection (int selection) {
  checkWidget ();
  selection = Math.min (selection, getMaximum() - getThumb());
  OS.g_signal_handlers_block_matched (adjustmentHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, VALUE_CHANGED);
  OS.gtk_adjustment_set_value (adjustmentHandle, selection);
  OS.g_signal_handlers_unblock_matched (adjustmentHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, VALUE_CHANGED);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.e4.ui.css.swt

@Override
public void install(AbstractThemedScrollBarAdapter abstractThemedScrollBarAdapter) {
  super.install(abstractThemedScrollBarAdapter);
  fStyledText.addModifyListener(this);
  this.fAbstractThemedScrollBarAdapter = abstractThemedScrollBarAdapter;
  fTextContent = fStyledText.getContent();
  fTextContent.addTextChangeListener(this);
  if(fScrollBar != null){
    fLastMax = fScrollBar.getMaximum();
    fLastSelection = fScrollBar.getSelection();
  }
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.e4.ui.css.swt

@Override
public boolean computePositions(Rectangle currClientArea, Scrollable scrollable) {
  fHandleDrawnRect = null;
  if (this.fScrollBar == null || this.fScrollBar.getMaximum() - this.fScrollBar.getMinimum() <= 1
      || !getVisible() || !this.fScrollBarSettings.getScrollBarThemed()) {
    return false;
  }
  StyledText styledText = (StyledText) scrollable;
  int lineWidth = getCurrentScrollBarWidth();
  int w = currClientArea.width;
  int h = currClientArea.height - (styledText.getTopMargin() + styledText.getBottomMargin());
  this.fScrollBarPositions = new ScrollBarPositions.ScrollBarPositionsVertical(this.fScrollBar.getMinimum(),
      this.fScrollBar.getMaximum(), styledText.getTopPixel(), h, w);
  fHandleDrawnRect = fScrollBarPositions.getHandleDrawRect(lineWidth);
  if (fHandleDrawnRect == null || h <= fHandleDrawnRect.height) {
    return false;
  }
  return true;
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.e4.ui.css.swt

@Override
public boolean computePositions(Rectangle currClientArea, Scrollable scrollable) {
  fHandleDrawnRect = null;
  if (this.fScrollBar == null || this.fScrollBar.getMaximum() - this.fScrollBar.getMinimum() <= 1
      || !getVisible() || !this.fScrollBarSettings.getScrollBarThemed()) {
    return false;
  }
  StyledText styledText = (StyledText) scrollable;
  int lineWidth = getCurrentScrollBarWidth();
  int w = currClientArea.width - (styledText.getLeftMargin() + styledText.getRightMargin());
  int h = currClientArea.height;
  fScrollBarPositions = new ScrollBarPositions.ScrollBarPositionsHorizontal(this.fScrollBar.getMinimum(),
      this.fScrollBar.getMaximum(), styledText.getHorizontalPixel(), h, w);
  fHandleDrawnRect = fScrollBarPositions.getHandleDrawRect(lineWidth);
  if (fHandleDrawnRect == null || w <= fHandleDrawnRect.width) {
    return false;
  }
  return true;
}

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.nebula.widgets.grid

/**
   * {@inheritDoc}
   */
  public void setSelection(int selection)
  {
// RAP [if]: ScrollBar#setSelection() does not limit the value
//        scrollBar.setSelection(selection);
    int minimum = scrollBar.getMinimum();
    int maximum = scrollBar.getMaximum();
    int thumb = scrollBar.getThumb();
    if( selection < minimum ) {
     scrollBar.setSelection( minimum );
    } else if ( selection > maximum - thumb ) {
     scrollBar.setSelection( maximum - thumb );
    } else {
     scrollBar.setSelection( selection );
    }
  }

代码示例来源：origin: org.eclipse.platform/org.eclipse.e4.ui.css.swt

@Override
  public void paintControl(GC gc, Rectangle currClientArea, Scrollable scrollable) {
    // At each paint, check if the content changed and keep the last
    // max/selection (unfortunately, it doesn't provide a reliable way
    // to listen such changes, so, we must poll it).
    if(fScrollBar != null){
      fLastMax = fScrollBar.getMaximum();
      fLastSelection = fScrollBar.getSelection();
    }
    if (fTextContent != null && fStyledText.getContent() != fTextContent) {
      fTextContent.removeTextChangeListener(this);
      fTextContent = fStyledText.getContent();
      fTextContent.addTextChangeListener(this);
    }
    super.paintControl(gc, currClientArea, scrollable);
  }
}

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

void updateHorizontalBar (int newRightX, int rightXchange) {
  if (drawCount > 0) return;
  ScrollBar hBar = getHorizontalBar ();
  if (hBar == null) return;

  newRightX += horizontalOffset;
  int barMaximum = hBar.getMaximum ();
  if (newRightX > barMaximum) {	/* item has extended beyond previous maximum */
    hBar.setMaximum (newRightX);
    int clientAreaWidth = clientArea.width;
    int thumb = Math.min (newRightX, clientAreaWidth);
    hBar.setThumb (thumb);
    hBar.setPageIncrement (thumb);
    hBar.setVisible (clientAreaWidth <= newRightX);
    return;
  }

  int previousRightX = newRightX - rightXchange;
  if (previousRightX != barMaximum) {
    /* this was not the rightmost item, so just check for client width change */
    int clientAreaWidth = clientArea.width;
    int thumb = Math.min (barMaximum, clientAreaWidth);
    hBar.setThumb (thumb);
    hBar.setPageIncrement (thumb);
    hBar.setVisible (clientAreaWidth <= barMaximum);
    return;
  }
  updateHorizontalBar ();        /* must search for the new rightmost item */
}
void updateVerticalBar () {

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

void setScrollBar(ScrollBar bar, int clientArea, int maximum, int margin) {
  int inactive = 1;
  if (clientArea < maximum) {
    bar.setMaximum(maximum - margin);
    bar.setThumb(clientArea - margin);
    bar.setPageIncrement(clientArea - margin);
    if (!alwaysShowScroll) bar.setVisible(true);
  } else if (bar.getThumb() != inactive || bar.getMaximum() != inactive) {
    bar.setValues(bar.getSelection(), bar.getMinimum(), inactive, inactive, bar.getIncrement(), inactive);
  }
}
/**

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

void setScrollBar(ScrollBar bar, int clientArea, int maximum, int margin) {
  int inactive = 1;
  if (clientArea < maximum) {
    bar.setMaximum(maximum - margin);
    bar.setThumb(clientArea - margin);
    bar.setPageIncrement(clientArea - margin);
    if (!alwaysShowScroll) bar.setVisible(true);
  } else if (bar.getThumb() != inactive || bar.getMaximum() != inactive) {
    bar.setValues(bar.getSelection(), bar.getMinimum(), inactive, inactive, bar.getIncrement(), inactive);
  }
}
/**

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

void setScrollBar(ScrollBar bar, int clientArea, int maximum, int margin) {
  int inactive = 1;
  if (clientArea < maximum) {
    bar.setMaximum(maximum - margin);
    bar.setThumb(clientArea - margin);
    bar.setPageIncrement(clientArea - margin);
    if (!alwaysShowScroll) bar.setVisible(true);
  } else if (bar.getThumb() != inactive || bar.getMaximum() != inactive) {
    bar.setValues(bar.getSelection(), bar.getMinimum(), inactive, inactive, bar.getIncrement(), inactive);
  }
}
/**

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

void setScrollBar(ScrollBar bar, int clientArea, int maximum, int margin) {
  int inactive = 1;
  if (clientArea < maximum) {
    bar.setMaximum(maximum - margin);
    bar.setThumb(clientArea - margin);
    bar.setPageIncrement(clientArea - margin);
    if (!alwaysShowScroll) bar.setVisible(true);
  } else if (bar.getThumb() != inactive || bar.getMaximum() != inactive) {
    bar.setValues(bar.getSelection(), bar.getMinimum(), inactive, inactive, bar.getIncrement(), inactive);
  }
}
/**

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

void setScrollBar(ScrollBar bar, int clientArea, int maximum, int margin) {
  int inactive = 1;
  if (clientArea < maximum) {
    bar.setMaximum(maximum - margin);
    bar.setThumb(clientArea - margin);
    bar.setPageIncrement(clientArea - margin);
    if (!alwaysShowScroll) bar.setVisible(true);
  } else if (bar.getThumb() != inactive || bar.getMaximum() != inactive) {
    bar.setValues(bar.getSelection(), bar.getMinimum(), inactive, inactive, bar.getIncrement(), inactive);
  }
}
/**

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

if (maximum != vBar.getMaximum ()) {
  vBar.setMaximum (maximum);

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

void onArrowRight (int stateMask) {
  ScrollBar hBar = getHorizontalBar ();
  if (hBar == null) return;
  int maximum = hBar.getMaximum ();
  int clientWidth = clientArea.width;
  if ((horizontalOffset + clientArea.width) == maximum) return;
  if (maximum <= clientWidth) return;
  int newSelection = Math.min (horizontalOffset + SIZE_HORIZONTALSCROLL, maximum - clientWidth);
  update ();
  GC gc = new GC (this);
  gc.copyArea (
    0, 0,
    clientArea.width, clientArea.height,
    horizontalOffset - newSelection, 0);
  gc.dispose ();
  if (header.getVisible ()) {
    Rectangle headerClientArea = header.getClientArea ();
    header.update ();
    gc = new GC (header);
    gc.copyArea (
      0, 0,
      headerClientArea.width, headerClientArea.height,
      horizontalOffset - newSelection, 0);
    gc.dispose();
  }
  horizontalOffset = newSelection;
  hBar.setSelection (horizontalOffset);
}
void onArrowUp (int stateMask) {

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