org.eclipse.swt.accessibility.Accessible.selectionChanged()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中org.eclipse.swt.accessibility.Accessible.selectionChanged()方法的一些代码示例，展示了Accessible.selectionChanged()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。Accessible.selectionChanged()方法的具体详情如下：
包路径：org.eclipse.swt.accessibility.Accessible
类名称：Accessible
方法名：selectionChanged

Accessible.selectionChanged介绍

[英]Sends a message to accessible clients that the child selection within a custom container control has changed.
[中]向可访问的客户端发送消息，说明自定义容器控件中的子选择已更改。

代码示例

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

@Override
public void notifyListeners (int eventType, Event event) {
  super.notifyListeners(eventType, event);
  if (eventType == SWT.Selection && event.detail != SWT.CHECK) getAccessible().selectionChanged();
}
void onArrowDown (int stateMask) {

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

void deselectItem (CTableItem item) {
  int index = getSelectionIndex (item);
  if (index == -1) return;
  CTableItem[] newSelectedItems = new CTableItem [selectedItems.length - 1];
  System.arraycopy (selectedItems, 0, newSelectedItems, 0, index);
  System.arraycopy (
    selectedItems,
    index + 1,
    newSelectedItems,
    index,
    newSelectedItems.length - index);
  selectedItems = newSelectedItems;
  item.getAccessible(getAccessible(), 0).selectionChanged();
}
void destroyItem (CTableColumn column) {

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

redraw();
getAccessible().setFocus(selectedItem);
getAccessible().selectionChanged();

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

void selectItem (CTableItem item, boolean addToSelection) {
  CTableItem[] oldSelectedItems = selectedItems;
  if (!addToSelection || (getStyle () & SWT.SINGLE) != 0) {
    selectedItems = new CTableItem[] {item};
    if (isFocusControl () || (getStyle () & SWT.HIDE_SELECTION) == 0) {
      for (CTableItem oldSelectedItem : oldSelectedItems) {
        if (oldSelectedItem != item) {
          redrawItem (oldSelectedItem.index, true);
        }
      }
    }
    for (CTableItem oldSelectedItem : oldSelectedItems) {
      oldSelectedItem.getAccessible(getAccessible(), 0).selectionChanged();
    }
  } else {
    if (item.isSelected ()) return;
    selectedItems = new CTableItem [selectedItems.length + 1];
    System.arraycopy (oldSelectedItems, 0, selectedItems, 0, oldSelectedItems.length);
    selectedItems [selectedItems.length - 1] = item;
  }

  item.getAccessible(getAccessible(), 0).selectionChanged();
  getAccessible().selectionChanged();
}
@Override

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.ui.forms

private void notifySelectionChanged() {
  Event event = new Event();
  event.widget = this;
  event.display = this.getDisplay();
  event.type = SWT.Selection;
  notifyListeners(SWT.Selection, event);
  // A listener could have caused the widget to be disposed
  if (!isDisposed()) {
    getAccessible().selectionChanged();
  }
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.ui.forms

private void notifySelectionChanged() {
  Event event = new Event();
  event.widget = this;
  event.display = this.getDisplay();
  event.type = SWT.Selection;
  notifyListeners(SWT.Selection, event);
  // A listener could have caused the widget to be disposed
  if (!isDisposed()) {
    getAccessible().selectionChanged();
  }
}

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

/**
 * Deselects all selected items in the receiver.
 *
 * @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 deselectAll () {
  checkWidget ();
  CTableItem[] oldSelection = selectedItems;
  selectedItems = new CTableItem [0];
  if (isFocusControl () || (getStyle () & SWT.HIDE_SELECTION) == 0) {
    for (CTableItem element : oldSelection) {
      redrawItem (element.index, true);
    }
  }
  for (CTableItem element : oldSelection) {
    element.getAccessible(getAccessible(), 0).selectionChanged();
  }
  if (oldSelection.length > 0) getAccessible().selectionChanged();
}
void deselectItem (CTableItem item) {

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

/**
 * Selects all of the items in the receiver.
 * <p>
 * If the receiver is single-select, do nothing.
 * </p>
 *
 * @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 selectAll () {
  checkWidget ();
  if ((getStyle () & SWT.SINGLE) != 0) return;
  selectedItems = new CTableItem [itemsCount];
  System.arraycopy (items, 0, selectedItems, 0, itemsCount);
  if (isFocusControl () || (getStyle () & SWT.HIDE_SELECTION) == 0) {
    redraw ();
  }
  for (CTableItem selectedItem : selectedItems) {
    selectedItem.getAccessible(getAccessible(), 0).selectionChanged();
  }
  getAccessible().selectionChanged();
}
void selectItem (CTableItem item, boolean addToSelection) {

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

/**
 * Deselects the item at the given zero-relative index in the receiver.
 * If the item at the index was already deselected, it remains
 * deselected. Indices that are out of range are ignored.
 *
 * @param index the index of the item to deselect
 *
 * @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 deselect (int index) {
  checkWidget ();
  if (!(0 <= index && index < itemsCount)) return;
  CTableItem item = items [index];
  int selectIndex = getSelectionIndex (item);
  if (selectIndex == -1) return;

  CTableItem[] newSelectedItems = new CTableItem [selectedItems.length - 1];
  System.arraycopy (selectedItems, 0, newSelectedItems, 0, selectIndex);
  System.arraycopy (selectedItems, selectIndex + 1, newSelectedItems, selectIndex, newSelectedItems.length - selectIndex);
  selectedItems = newSelectedItems;

  if (isFocusControl () || (getStyle () & SWT.HIDE_SELECTION) == 0) {
    redrawItem (item.index, false);
  }
  getAccessible().selectionChanged();
}
/**

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

redrawItems (start, end, false);
getAccessible().selectionChanged();

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

if (!oldSelection [i].isSelected ()) {
      redrawItem (oldSelection [i].index, true);
      oldSelection[i].getAccessible(getAccessible(), 0).selectionChanged();
      tableSelectionChanged = true;
    selectedItem.getAccessible(getAccessible(), 0).selectionChanged();
    tableSelectionChanged = true;
if (tableSelectionChanged) getAccessible().selectionChanged();

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

/**
 * Selects the item at the given zero-relative index in the receiver.
 * If the item at the index was already selected, it remains
 * selected. Indices that are out of range are ignored.
 *
 * @param index the index of the item to select
 *
 * @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 select (int index) {
  checkWidget ();
  if (!(0 <= index && index < itemsCount)) return;
  selectItem (items [index], (getStyle () & SWT.MULTI) != 0);
  if (isFocusControl () || (getStyle () & SWT.HIDE_SELECTION) == 0) {
    redrawItem (index, false);
  }
  getAccessible().selectionChanged();
}
/**

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

/**
 * Selects the item at the given zero-relative index in the receiver.
 * The current selection is first cleared, then the new item is selected.
 *
 * @param index the index of the item to select
 *
 * @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 CTable#deselectAll()
 * @see CTable#select(int)
 */
public void setSelection (int index) {
  checkWidget ();
  deselectAll ();
  if (!(0 <= index && index < itemsCount)) return;
  selectItem (items [index], false);
  setFocusItem (items [index], true);
  redrawItem (index, true);
  showSelection ();
  getAccessible().selectionChanged();
}
/**

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

getAccessible().selectionChanged();

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

redraw();
getAccessible().setFocus(item);
getAccessible().selectionChanged();

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