projects/dwt-addons: dwtx/jface/internal/text/StickyHoverManager.d comparison

comparison dwtx/jface/internal/text/StickyHoverManager.d @ 150:5cf141e43417

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author	Frank Benoit <benoit@tionex.de>
date	Sun, 24 Aug 2008 23:05:26 +0200
parents	b411f1c62131
children	1a5b8f8129df

comparison

equal deleted inserted replaced

-:b411f1c62131
+:5cf141e43417
 * and closes the information control when necessary.
 */
 class Closer : IInformationControlCloser, ControlListener, MouseListener, IViewportListener, KeyListener, FocusListener, Listener {
 //TODO: Catch 'Esc' key in fInformationControlToClose: Don't dispose, just hideInformationControl().
 // This would allow to reuse the information control also when the user explicitly closes it.
 //TODO: if subject control is a Scrollable, should add selection listeners to both scroll bars
 // (and remove the ViewPortListener, which only listens to vertical scrolling)
 /** The subject control. */
 private Control fSubjectControl;
 fSubjectControl.addMouseListener(this);
 fSubjectControl.addKeyListener(this);
 }
 fTextViewer.addViewportListener(this);
 IInformationControl fInformationControlToClose= getCurrentInformationControl2();
 if (fInformationControlToClose !is null)
 fInformationControlToClose.addFocusListener(this);
 fDisplay= fSubjectControl.getDisplay();
 if (fSubjectControl !is null && !fSubjectControl.isDisposed()) {
 fSubjectControl.removeControlListener(this);
 fSubjectControl.removeMouseListener(this);
 fSubjectControl.removeKeyListener(this);
 }
 IInformationControl fInformationControlToClose= getCurrentInformationControl2();
 if (fInformationControlToClose !is null)
 fInformationControlToClose.removeFocusListener(this);
 if (fDisplay !is null && !fDisplay.isDisposed()) {
 fDisplay.removeFilter(DWT.MouseMove, this);
 fDisplay.removeFilter(DWT.FocusOut, this);
 }
 /*
 * @see KeyListener#keyReleased(KeyEvent)
 */
 public void keyReleased(KeyEvent e) {
 }
 /*
 * @see dwt.events.FocusListener#focusGained(dwt.events.FocusEvent)
 */
 public void focusGained(FocusEvent e) {
 }
 /*
 * @see dwt.events.FocusListener#focusLost(dwt.events.FocusEvent)
 */
 public void focusLost(FocusEvent e) {
-if cast(DEBUG) System.out_.println("StickyHoverManager.Closer.focusLost(): " + e); //$NON-NLS-1$
+if (DEBUG) System.out_.println("StickyHoverManager.Closer.focusLost(): " + e); //$NON-NLS-1$
 Display d= fSubjectControl.getDisplay();
 d.asyncExec(new class()  Runnable {
 // Without the asyncExec, mouse clicks to the workbench window are swallowed.
 public void run() {
 hideInformationControl();
 }
 });
 }
 /*
 * @see dwt.widgets.Listener#handleEvent(dwt.widgets.Event)
 */
 public void handleEvent(Event event) {
 if (event.type is DWT.MouseMove) {
 if (!( cast(Control)event.widget ) || event.widget.isDisposed())
 return;
 IInformationControl infoControl= getCurrentInformationControl2();
 if (infoControl !is null && !infoControl.isFocusControl() && cast(IInformationControlExtension3)infoControl ) {
-//                  if cast(DEBUG) System.out_.println("StickyHoverManager.Closer.handleEvent(): activeShell= " + fDisplay.getActiveShell()); //$NON-NLS-1$
+//                  if (DEBUG) System.out_.println("StickyHoverManager.Closer.handleEvent(): activeShell= " + fDisplay.getActiveShell()); //$NON-NLS-1$
 IInformationControlExtension3 iControl3= cast(IInformationControlExtension3) infoControl;
 Rectangle controlBounds= iControl3.getBounds();
 if (controlBounds !is null) {
 Point mouseLoc= event.display.map(cast(Control) event.widget, null, event.x, event.y);
 int margin= getKeepUpMargin();
 Geometry.expand(controlBounds, margin, margin, margin, margin);
 if (!controlBounds.contains(mouseLoc)) {
 hideInformationControl();
 }
 }
 } else {
 /*
 * TODO: need better understanding of why/if this is needed.
 * Looks like the same panic code we have in dwtx.jface.text.AbstractHoverInformationControlManager.Closer.handleMouseMove(Event)
 */
 if (fDisplay !is null && !fDisplay.isDisposed())
 fDisplay.removeFilter(DWT.MouseMove, this);
 }
 } else if (event.type is DWT.FocusOut) {
-if cast(DEBUG) System.out_.println("StickyHoverManager.Closer.handleEvent(): focusOut: " + event); //$NON-NLS-1$
+if (DEBUG) System.out_.println("StickyHoverManager.Closer.handleEvent(): focusOut: " + event); //$NON-NLS-1$
 IInformationControl iControl= getCurrentInformationControl2();
 if (iControl !is null && ! iControl.isFocusControl())
 hideInformationControl();
 }
 }
 }
 private const TextViewer fTextViewer;
 /**
 * Creates a new sticky hover manager.
 *
 * @param textViewer the text viewer
 */
 public this(TextViewer textViewer) {
 super(new DefaultInformationControlCreator());
 fTextViewer= textViewer;
 setCloser(new Closer());
 install(fTextViewer.getTextWidget());
 }
 /*
 * @see AbstractInformationControlManager#showInformationControl(Rectangle)
 */
 protected void showInformationControl(Rectangle subjectArea) {
 if (fTextViewer !is null && fTextViewer.requestWidgetToken(this, WIDGET_PRIORITY))
 super.showInformationControl(subjectArea);
 else
-if cast(DEBUG)
+if (DEBUG)
 System.out_.println("cancelled StickyHoverManager.showInformationControl(..): did not get widget token (with prio)"); //$NON-NLS-1$
 }
 /*
 * @see AbstractInformationControlManager#hideInformationControl()
 /*
 * @see dwtx.jface.text.IWidgetTokenKeeper#requestWidgetToken(IWidgetTokenOwner)
 */
 public bool requestWidgetToken(IWidgetTokenOwner owner) {
 hideInformationControl();
-if cast(DEBUG)
+if (DEBUG)
 System.out_.println("StickyHoverManager gave up widget token (no prio)"); //$NON-NLS-1$
 return true;
 }
 /*
 * @see dwtx.jface.text.IWidgetTokenKeeperExtension#requestWidgetToken(dwtx.jface.text.IWidgetTokenOwner, int)
 */
 public bool requestWidgetToken(IWidgetTokenOwner owner, int priority) {
 if (getCurrentInformationControl2() !is null) {
 if (getCurrentInformationControl2().isFocusControl()) {
-if cast(DEBUG)
+if (DEBUG)
 System.out_.println("StickyHoverManager kept widget token (focused)"); //$NON-NLS-1$
 return false;
 } else if (priority > WIDGET_PRIORITY) {
 hideInformationControl();
-if cast(DEBUG)
+if (DEBUG)
 System.out_.println("StickyHoverManager gave up widget token (prio)"); //$NON-NLS-1$
 return true;
 } else {
-if cast(DEBUG)
+if (DEBUG)
 System.out_.println("StickyHoverManager kept widget token (prio)"); //$NON-NLS-1$
 return false;
 }
 }
-if cast(DEBUG)
+if (DEBUG)
 System.out_.println("StickyHoverManager gave up widget token (no iControl)"); //$NON-NLS-1$
 return true;
 }
 /*
 return false;
 }
 iControl.setFocus();
 return iControl.isFocusControl();
 }
 }

Mercurial > projects > dwt-addons

comparison dwtx/jface/internal/text/StickyHoverManager.d @ 150:5cf141e43417