Java Code Examples for org.eclipse.swt.widgets.Control#setFocus()

The following examples show how to use org.eclipse.swt.widgets.Control#setFocus() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
/**
	 * Makes sure that the focused row is visible
	 * 
	 * @return true if the display needed to be scrolled; false otherwise
	 */
	public boolean doMakeFocusedRowVisible() {
		if (numRowsVisible < 1) {
			return false;
		}
		int topRowDelta = computeTopRowDelta(currentRow);
		if (topRowDelta == 0) {
			return false;
		}
//		currentRow += -1 * topRowDelta;
		
        doSetTopRow(topRow + topRowDelta, currentRow + (-1 * topRowDelta));
		Control control = getControl(currentColumn, currentRow);
		if (control != null) {
			control.setFocus(); // ?? Can I get away with avoiding asyncExec here ??
		}
		return true;
	}
 
Example 2
Source Project: nebula   File: VTracker.java    License: Eclipse Public License 2.0 6 votes vote down vote up
private static boolean setFocusFromPrev(Control control) {
	Control c = null;
	Composite parent = control.getParent();
	if(parent == null) {
		c = control;
	} else {
		Control[] ca = parent.getTabList();
		for(int i = 0; i < ca.length; i++) {
			if(ca[i] == control) {
				if(i == ca.length-1) {
					c = ca[0];
				} else {
					c = ca[i+1];
				}
				break;
			}
		}
	}
	if(c != null) {
		c.setFocus();
	}
	return false;
}
 
Example 3
Source Project: nebula   File: VTracker.java    License: Eclipse Public License 2.0 6 votes vote down vote up
private static boolean setFocusFromNext(Control control) {
	Control c = null;
	Composite parent = control.getParent();
	if(parent == null) {
		c = control;
	} else {
		Control[] ca = parent.getTabList();
		for(int i = 0; i < ca.length; i++) {
			if(ca[i] == control) {
				if(i == 0) {
					c = ca[ca.length-1];
				} else {
					c = ca[i-1];
				}
				break;
			}
		}
	}
	if(c != null) {
		c.setFocus();
	}
	return false;
}
 
Example 4
protected void showMatch( Match match, int currentOffset
                        , int currentLength, boolean activate 
                        ) throws PartInitException 
{
    if (match instanceof ModulaSymbolMatch) {
        try {
            ModulaSymbolMatch em = (ModulaSymbolMatch)match;
            IFile f = em.getFile();
            IWorkbenchPage page = WorkbenchUtils.getActivePage();
            IEditorDescriptor desc = PlatformUI.getWorkbench().getEditorRegistry().getDefaultEditor(f.getName());
            IEditorPart ep = page.openEditor(new FileEditorInput(f), desc.getId());
            ITextEditor te = (ITextEditor)ep;
            Control ctr = (Control)te.getAdapter(Control.class);
            ctr.setFocus();
            te.selectAndReveal(em.getOffset(), em.getLength());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
 
Example 5
public void selectOption(Key key) {
	Control control = findControl(key);
	if (control != null) {
		if (!fExpandedComposites.isEmpty()) {
			ExpandableComposite expandable = getParentExpandableComposite(control);
			if (expandable != null) {
				for (int i = 0; i < fExpandedComposites.size(); i++) {
					ExpandableComposite curr = (ExpandableComposite) fExpandedComposites.get(i);
					curr.setExpanded(curr == expandable);
				}
				expandedStateChanged(expandable);
			}
		}
		control.setFocus();
	}
}
 
Example 6
/**
 * Selects an member in the methods list or in the current hierarchy.
 * @param member The member to select
 */
public void selectMember(IMember member) {
	fSelectInEditor= false;
	if (member.getElementType() != IJavaElement.TYPE) {
		Control methodControl= fMethodsViewer.getControl();
		if (methodControl != null && !methodControl.isDisposed()) {
			methodControl.setFocus();
		}

		fMethodsViewer.setSelection(new StructuredSelection(member), true);
	} else {
		Control viewerControl= getCurrentViewer().getControl();
		if (viewerControl != null && !viewerControl.isDisposed()) {
			viewerControl.setFocus();
		}

		if (!member.equals(fSelectedType)) {
			getCurrentViewer().setSelection(new StructuredSelection(member), true);
		}
	}
	fSelectInEditor= true;
}
 
Example 7
public void selectOption(Key key) {
	Control control= findControl(key);
	if (control != null) {
		if (!fExpandableComposites.isEmpty()) {
			ExpandableComposite expandable= getParentExpandableComposite(control);
			if (expandable != null) {
				for (int i= 0; i < fExpandableComposites.size(); i++) {
					ExpandableComposite curr= fExpandableComposites.get(i);
					curr.setExpanded(curr == expandable);
				}
				expandedStateChanged(expandable);
			}
		}
		control.setFocus();
	}
}
 
Example 8
/**
 * A long running operation triggered through the wizard was stopped either
 * by user input or by normal end. Hides the progress monitor and restores
 * the enable state wizard's buttons and controls.
 * 
 * @param savedState
 *            the saved UI state as returned by <code>aboutToStart</code>
 * @see #aboutToStart
 */
private void stopped(Object savedState) {
	if (getShell() != null && !getShell().isDisposed()) {
		if (wizard.needsProgressMonitor()) {
			progressMonitorPart.setVisible(false);
			progressMonitorPart.removeFromCancelComponent(cancelButton);
		}
		Map state = (Map) savedState;
		restoreUIState(state);
		setDisplayCursor(null);
		if (useCustomProgressMonitorPart) {
			cancelButton.addSelectionListener(cancelListener);
			cancelButton.setCursor(null);
			arrowCursor.dispose();
			arrowCursor = null;
		}
		waitCursor.dispose();
		waitCursor = null;
		Control focusControl = (Control) state.get(FOCUS_CONTROL);
		if (focusControl != null && !focusControl.isDisposed()) {
			focusControl.setFocus();
		}
	}
}
 
Example 9
/**
 * 任务终止
 * @param savedState
 *            ;
 */
private void stopped(Object savedState) {
	if (getShell() != null && !getShell().isDisposed()) {
		if (needsProgressMonitor()) {
			progressMonitorPart.setVisible(false);
			progressMonitorPart.removeFromCancelComponent(cancelButton);
		}
		Map state = (Map) savedState;
		restoreUIState(state);
		setDisplayCursor(null);
		if (useCustomProgressMonitorPart) {
			cancelButton.addSelectionListener(cancelListener);
			cancelButton.setCursor(null);
			arrowCursor.dispose();
			arrowCursor = null;
		}
		waitCursor.dispose();
		waitCursor = null;
		Control focusControl = (Control) state.get(FOCUS_CONTROL);
		if (focusControl != null && !focusControl.isDisposed()) {
			focusControl.setFocus();
		}
	}
}
 
Example 10
/**
 * A long running operation triggered through the wizard was stopped either
 * by user input or by normal end. Hides the progress monitor and restores
 * the enable state wizard's buttons and controls.
 * 
 * @param savedState
 *            the saved UI state as returned by <code>aboutToStart</code>
 * @see #aboutToStart
 */
private void stopped(Object savedState) {
	if (getShell() != null && !getShell().isDisposed()) {
		if (wizard.needsProgressMonitor()) {
			progressMonitorPart.setVisible(false);
			progressMonitorPart.removeFromCancelComponent(cancelButton);
		}
		Map state = (Map) savedState;
		restoreUIState(state);
		setDisplayCursor(null);
		if (useCustomProgressMonitorPart) {
			cancelButton.addSelectionListener(cancelListener);
			cancelButton.setCursor(null);
			arrowCursor.dispose();
			arrowCursor = null;
		}
		waitCursor.dispose();
		waitCursor = null;
		Control focusControl = (Control) state.get(FOCUS_CONTROL);
		if (focusControl != null && !focusControl.isDisposed()) {
			focusControl.setFocus();
		}
	}
}
 
Example 11
public void toggleFullScreen() {
	if (isFullScreen()) {
		if (interactiveConsoleVisible) {
			toggleInteractiveConsole();
		}
		view.controlToSetFullScreen().setParent(normalParentOfFullScreenControl);
		createOverlay();
		normalParentOfFullScreenControl.layout(true, true);
		destroyFullScreenShell();
		adaptToolbar();
		view.setFocus();
	} else {
		fullScreenShell = createFullScreenShell();
		if (DEBUG.IS_ON()) {
			DEBUG.SECTION(" FULLSCREEN WITH SIZE " + fullScreenShell.getSize());
		}
		normalParentOfFullScreenControl = view.controlToSetFullScreen().getParent();
		final Control display = view.controlToSetFullScreen();
		display.setParent(fullScreenShell);
		createOverlay();
		adaptToolbar();
		fullScreenShell.layout(true, true);
		fullScreenShell.setVisible(true);
		view.fullScreenSet();
		display.setFocus();
	}
}
 
Example 12
Source Project: Rel   File: RelPanel.java    License: Apache License 2.0 5 votes vote down vote up
private void focusOnSelectedTab() {
	CTabItem selectedItem = tabFolder.getSelection();
	if (selectedItem != null) {
		Control tabControl = selectedItem.getControl();
		if (tabControl != null && !tabControl.isDisposed())
			tabControl.setFocus();
	}
}
 
Example 13
Source Project: Rel   File: DbTreeTab.java    License: Apache License 2.0 5 votes vote down vote up
public void ready() {
	relPanel.getTabFolder().setSelection(this);
	relPanel.fireDbTreeTabchangeEvent();
	if (isDisposed())
		return;
	Control control = getControl();
	if (!control.isDisposed())
		control.setFocus();
}
 
Example 14
public void selectOption( Key key )
{
	Control control = findControl( key );
	if ( control != null )
	{
		control.setFocus( );
	}
}
 
Example 15
Source Project: nebula   File: CTreeEditor.java    License: Eclipse Public License 2.0 4 votes vote down vote up
public void layout() {
	if (tree.isDisposed()) return;
	if (item == null || item.isDisposed()) return;	
	int columnCount = tree.getColumnCount();
	if (columnCount == 0 && column != 0) return;
	if (columnCount > 0 && (column < 0 || column >= columnCount)) return;
	Control editor = getEditor();
	if(editor == null || editor.isDisposed()) return;

	Rectangle cell = item.getCell(column).getBounds();
	Rectangle ca = item.getCell(column).getClientArea();
	cell.x += ca.x;
	cell.width = ca.width - 1;
	cell.y += 1;
	cell.height -= 2;
	int bwidth = getEditor().getBorderWidth();
	cell.x -= bwidth;
	cell.y -= bwidth;
	cell.width -= 2*bwidth;
	cell.height -= 2*bwidth;
	Image[] images = ((CTreeCell) item.getCell(column)).getImages();
	if(images.length > 0) {
		Image img = images[images.length-1];
		Rectangle rect = img == null ? new Rectangle(cell.x,cell.y,0,0) : img.getBounds();
		cell.x = rect.x + rect.width;
		cell.width -= rect.width;
	}
	Rectangle area = tree.getClientArea();
	if (cell.x < area.x + area.width) {
		if (cell.x + cell.width > area.x + area.width) {
			cell.width = area.x + area.width - cell.x;
		}
	}
	Rectangle editorRect = new Rectangle(cell.x, cell.y, minimumWidth, minimumHeight);

	if (grabHorizontal) {
		if (tree.getColumnCount() == 0) {
			// Bounds of tree item only include the text area - stretch out to include 
			// entire client area
			cell.width = area.x + area.width - cell.x;
		}
		editorRect.width = Math.max(cell.width, minimumWidth);
	}

	if (grabVertical) {
		editorRect.height = Math.max(cell.height, minimumHeight);
	}

	if (horizontalAlignment == SWT.RIGHT) {
		editorRect.x += cell.width - editorRect.width;
	} else if (horizontalAlignment == SWT.LEFT) {
		// do nothing - cell.x is the right answer
	} else { // default is CENTER
		editorRect.x += (cell.width - editorRect.width)/2;
	}
	// don't let the editor overlap with the +/- of the tree
	editorRect.x = Math.max(cell.x, editorRect.x);

	if (verticalAlignment == SWT.BOTTOM) {
		editorRect.y += cell.height - editorRect.height;
	} else if (verticalAlignment == SWT.TOP) {
		// do nothing - cell.y is the right answer
	} else { // default is CENTER
		editorRect.y += (cell.height - editorRect.height)/2;
	}

	if(editor == null || editor.isDisposed()) return;
	boolean hadFocus = editor.getVisible () && editor.isFocusControl();
	// this doesn't work because
	// resizing the column takes the focus away
	// before we get here
	editor.setBounds (editorRect);
	if(hadFocus) {
		if (editor == null || editor.isDisposed()) return;
		editor.setFocus ();
	}

	editor.moveAbove(null);
}
 
Example 16
boolean handleEditEvent(Event event) {
   if (klickedColumn == null || klickedCell == null) {
      return false;
   }

   final Control c;
   try {
      XViewerColumn xColumn =
         xv.getXViewerFactory().getDefaultXViewerColumn(((XViewerColumn) klickedColumn.getData()).getId());
      if (xColumn instanceof ExtendedViewerColumn) {
         ExtendedViewerColumn extendedColumn = (ExtendedViewerColumn) xColumn;
         CellEditDescriptor ced = extendedColumn.getCellEditDescriptorMap().get(klickedCell.getElement().getClass());
         if (ced != null) {
            if (ced.getControl() == null) {
               return false;
            }
            if (ced.getAction() != null && !ced.getAction().isEnabled()) {
               return false;
            }
            if (!converter.isValid(ced, klickedCell.getElement())) {
               return false;
            }
            c = factory.createControl(ced, xv);
            if (c == null) {
               return false;
            }
         } else {
            return false;
         }
      } else {
         return false;
      }

      if (((TreeItem) event.item) != null) {
         Listener myListener = e-> {
               switch (e.type) {
                  case SWT.FocusOut:
                     // set new value
                     getInput(c);
                     c.dispose();
                     break;
                  case SWT.Verify:
                     c.setBounds(klickedCell.getBounds());
                     break;
                  case SWT.Traverse:
                     boolean neighbor = false;
                     switch (e.detail) {
                        case SWT.TRAVERSE_RETURN:
                           // set new value
                           getInput(c);
                           //$FALL-THROUGH$
                        case SWT.TRAVERSE_ESCAPE:
                           c.dispose();
                           e.doit = false;
                           break;
                        case SWT.TRAVERSE_TAB_NEXT:
                           getInput(c);
                           neighbor = getNeighbor(ViewerCell.RIGHT, true);
                           e.doit = false;
                           c.dispose();
                           Event eN = new Event();
                           eN.type = SWT.Selection;
                           eN.widget = xv.getTree();
                           if (neighbor) {
                              eN.item = klickedCell.getItem();
                           }
                           doHandleEvent(eN);
                           break;
                        case SWT.TRAVERSE_TAB_PREVIOUS:
                           getInput(c);
                           neighbor = getNeighbor(ViewerCell.LEFT, true);
                           e.doit = false;
                           c.dispose();
                           Event eP = new Event();
                           eP.type = SWT.Selection;
                           eP.widget = xv.getTree();
                           if (neighbor) {
                              eP.item = klickedCell.getItem();
                           }
                           doHandleEvent(eP);
                           break;
                     }
               }
         };
         c.addListener(SWT.FocusOut, myListener);
         c.addListener(SWT.Traverse, myListener);
         c.addListener(SWT.Verify, myListener);
         // set old value
         setInput(c);
         c.setFocus();
         return true;
      }
   } catch (Exception ex) {
      return false;
   }
   return false;
}
 
Example 17
@Override
public void setFocus() {
	Control control = viewer.getControl();
	if (control != null && !control.isDisposed())
		control.setFocus();
}
 
Example 18
private void selectElementInEditor(ISelection selection, boolean isSelect) {
      if (editor == null) {
          return;
      }
      
      if (selection.isEmpty())
	editor.resetHighlightRange();
else
{
	IStructuredSelection structuredSelection = (IStructuredSelection) selection;
	Object firstElement = structuredSelection.getFirstElement();
	if (firstElement instanceof ISourceBound) {
	    ISourceBound sourceBound = (ISourceBound) firstElement;		
		try
		{
		    if (isSelect) {
                   Control ctr = (Control) editor.getAdapter(Control.class);
                   ctr.setFocus();
		    }
		    
		    ITextBinding sourceBinding = sourceBound.getSourceBinding();
		    
		    if (sourceBinding != null) {
		    	ITextRegion identifierRegion = sourceBinding.getNameTextRegion();
		    	if (identifierRegion != null) {
		    		editor.selectAndReveal(identifierRegion.getOffset(), identifierRegion.getLength());
		    	}
		    	ITextRegion elementRegion = sourceBinding.getDeclarationTextRegion();
		    	if (elementRegion != null) {
		    		editor.setHighlightRange(elementRegion.getOffset(), elementRegion.getLength(), false);
                       if ((identifierRegion == null) && (firstElement instanceof IXdsSyntheticElement)) {
                           // syntactic elements like "import list" have not name text region at all. 
                           editor.selectAndReveal(elementRegion.getOffset(), elementRegion.getLength());
                       }
		    	}
		    }
		}
		catch (IllegalArgumentException x)
		{
			editor.resetHighlightRange();
		}
	}
}
  }
 
Example 19
/**
 * Opens a notification window next to a control. The notification window will show the given
 * title as the title of the balloon, The given text as the description.
 *
 * <p>The window will be hidden automatically after the value specified in the timeout expires
 *
 * <p><b>Note:</b> The balloon window is always anchored to the given control at position (0,0).
 * Specifying the balloon window anchor is relative to this point.
 *
 * <p>TODO wrap the contents so the balloon notification does not expand across two screens for a
 * long text. OR even better: do not show long notifications. users tend to ignore them anyway!
 *
 * @param control the control, next to where the widget will appear
 * @param anchor the anchor of the balloon window
 * @param title the title of the balloon
 * @param text the text to display as contents
 */
public static void showNotification(Control control, int anchor, String title, String text) {

  if (control != null && control.isDisposed()) {
    control = null;
  }

  /*
   * show message at least 8 secs, but show it longer for longer messages
   * Referenced by wikipedia, a user can read 2,5 words per second so we
   * approximate 400ms per word
   */
  int timeout = Math.max(8000, text.split("\\s").length * 400);

  // close all previous balloon notifications like it is done in
  // windows to prevent overlapping of multiple balloons...
  BalloonNotification.removeAllActiveNotifications();

  final BalloonWindow window =
      new BalloonWindow(
          control != null ? control.getShell() : null, SWT.NO_FOCUS | SWT.TOOL | SWT.TITLE);

  window.setAnchor(anchor);
  windows.add(window);
  /*
   * Note: if you add SWT.CLOSE to the style of the BalloonWindow, it will
   * only be closed when directly clicking on the close icon (x) and
   * therefore break user expectations. FIXME: find out a way to display
   * the closing X AND make the bubble close on any click anywhere on it.
   */

  window.setText(title);

  /*
   * Adding the text to the contents. Pack() is required so the size of
   * the composite is recalculated, else the contents won't show
   */
  Composite content = window.getContents();
  content.setLayout(new FillLayout());

  Label message = new Label(content, SWT.NONE);
  message.setText(text);
  content.pack(true);

  message.setBackground(WHITE);
  message.setForeground(BLACK);

  // make window close when clicking on balloon text, too
  window.addSelectionControl(message);

  // Locate the balloon to the widget location
  if (control != null) {
    Point widgetLocation = control.toDisplay(new Point(0, 0));
    window.setLocation(widgetLocation);
  }

  // Runnable that will close the window after time has been expired
  final Runnable closeWindow =
      ThreadUtils.wrapSafe(
          log,
          new Runnable() {

            @Override
            public void run() {
              final Shell shell = window.getShell();
              if (shell.isDisposed()) return;

              window.close();
            }
          });

  window.getShell().getDisplay().timerExec(timeout, closeWindow);

  Display display = control != null ? control.getDisplay() : Display.getCurrent();

  Control lastControlWithFocus = display != null ? display.getFocusControl() : null;

  window.open();

  if (lastControlWithFocus != null) lastControlWithFocus.setFocus();
}