Java SWT.KeyUp方法代碼示例

import org.eclipse.swt.SWT; //導入方法依賴的package包/類
public void handleEvent(Event event) {
	if (event.type == SWT.KeyUp && (event.stateMask & SWT.CTRL) != 0) {
		switch (event.character) {
			case 0x01:		// CTRL+A
				showAboutAppleCommander();
				break;
			case 0x03:		// CTRL+C
				createDiskImage();
				break;
			case 0x0f:		// CTRL+O
				openFile();
				break;
			case 0x05:		// CTRL+E
				compareDiskImages();
				break;
		}
	}		
}
 

import org.eclipse.swt.SWT; //導入方法依賴的package包/類
static int keyIDToEmbedKeyType(int id) {
  switch (id) {
  case SWT.KeyDown:
    return AbstractEvents.KEYEVENT_PRESSED;
  case SWT.KeyUp:
    return AbstractEvents.KEYEVENT_RELEASED;
    //            case KeyEvent.KEY_TYPED:
    //                return AbstractEvents.KEYEVENT_TYPED;
  }
  return 0;
}
 

import org.eclipse.swt.SWT; //導入方法依賴的package包/類
/**
 * The toolbar command handler contains the global toolbar
 * actions. The intent is that the listener is then added to 
 * multiple visual components.
 */
public Listener createToolbarCommandHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			if (event.type == SWT.KeyUp) {
				if ((event.stateMask & SWT.CTRL) != 0) {	// CTRL+key
					switch (event.character) {
						case CTRL_C:
							getContentTypeAdapter().copy();
							break;
						case CTRL_A:
							getContentTypeAdapter().selectAll();
							break;
						case CTRL_P:
							getContentTypeAdapter().print();
							break;
					}
				} else if ((event.stateMask & SWT.ALT) == 0) { // key alone
					switch (event.keyCode) {
						case SWT.F2:	// the "native" file format (image, text, etc)
							getNativeFilterAdapter().display();
							setFilterToolItemSelection(true, false, false);
							break;
						case SWT.F3:	// Hex format
							getHexFilterAdapter().display();
							setFilterToolItemSelection(false, true, false);
							break;
						case SWT.F4:	// "Raw" hex format
							getRawDumpFilterAdapter().display();
							setFilterToolItemSelection(false, false, true);
							break;
					}
				}
			}
		}
	};
}
 

import org.eclipse.swt.SWT; //導入方法依賴的package包/類
/**
 * Create the keyboard handler for the directory pane.
 * These are keys that are <em>only</em> active in the directory
 * viewer.  See createToolbarCommandHandler for the general application
 * keyboard handler.  
 * @see #createToolbarCommandHandler
 */
private Listener createDirectoryKeyboardHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			if (event.type == SWT.KeyUp) {
				TreeItem[] treeItem = null;
				if ((event.stateMask & SWT.CTRL) != 0) {
					switch (event.character) {
						case '-':
							treeItem = getDirectoryTree().getSelection();
							setDirectoryExpandedStates(treeItem[0], false);
							break;
						case '+':
							treeItem = getDirectoryTree().getSelection();
							setDirectoryExpandedStates(treeItem[0], true);
							break;
					}
				} else {	// assume no control and no alt
					switch (event.character) {
						case '-':
							treeItem = getDirectoryTree().getSelection();
							treeItem[0].setExpanded(false);
							break;
						case '+':
							treeItem = getDirectoryTree().getSelection();
							treeItem[0].setExpanded(true);
							break;
					}
				}
			}
		}		
	};
}
 

import org.eclipse.swt.SWT; //導入方法依賴的package包/類
/**
 * Create the keyboard handler for the file pane.
 * These are keys that are <em>only</em> active in the file
 * viewer.  See createToolbarCommandHandler for the general application
 * keyboard handler.  
 * @see #createToolbarCommandHandler
 */
private Listener createFileKeyboardHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			FileEntry fileEntry = getSelectedFileEntry();
			if (fileEntry != null && event.type == SWT.KeyUp && (event.stateMask & SWT.CTRL) != 0) {
				switch (event.character) {
					case CTRL_C:	// Compile Wizard
						if (getCompileToolItem().isEnabled()) {
							compileFileWizard();
						}
						break;
					case CTRL_D:	// Delete file
						if (getDeleteToolItem().isEnabled()) {
							deleteFile();
						}
						break;
					case CTRL_E:	// Export Wizard
						exportFileWizard();
						break;
					case CTRL_V:	// View file
						viewFile(null);
						break;
				}		
			}
		}
	};
}
 

import org.eclipse.swt.SWT; //導入方法依賴的package包/類
/**
 * The toolbar command handler contains the global toolbar
 * actions.  This does not include file-specific actions.
 * The intent is that the listener is then added to multiple
 * visual components (i.e., the file listing as well as the
 * directory listing).
 */
private Listener createToolbarCommandHandler() {
	return new Listener() {
		public void handleEvent(Event event) {
			if (event.type == SWT.KeyUp) {
				if ((event.stateMask & SWT.CTRL) != 0) {	// CTRL key held
					if ((event.stateMask & SWT.SHIFT) != 0) {	// SHIFT key held
						switch (event.character) {
							case CTRL_S:	// Save As...
								saveAs();
								break;
						}
					} else {
						switch (event.character) {
							case CTRL_I:	// Import Wizard
								importFiles();
								break;
							case CTRL_P:	// Print...
								print();
								break;
							case CTRL_S:	// Save
								if (getSaveToolItem().isEnabled()) {
									save();
								}
								break;
						}
					}
				} else {	// No CTRL key
				    if ((event.stateMask & SWT.ALT) != SWT.ALT) {	// Ignore ALT key combinations like alt-F4!
					switch (event.keyCode) {
						case SWT.F2:	// Standard file display
							changeCurrentFormat(FormattedDisk.FILE_DISPLAY_STANDARD);
							break;
						case SWT.F3:	// Native file display
							changeCurrentFormat(FormattedDisk.FILE_DISPLAY_NATIVE);
							break;
						case SWT.F4:	// Detail file display
							changeCurrentFormat(FormattedDisk.FILE_DISPLAY_DETAIL);
							break;
						case SWT.F5:	// Show deleted files
							setShowDeletedFiles(!getShowDeletedFilesToolItem().getSelection());
							getShowDeletedFilesToolItem().setSelection(isShowDeletedFiles());
							fillFileTable(getCurrentFileList());
							break;
						}
					}
				}
			}
		}
	};
}