projects/dwt-mac: dwt/accessibility/Accessible.d comparison

comparison dwt/accessibility/Accessible.d @ 123:63a09873578e

Fixed compile errors

author	Jacob Carlborg <doob@me.com>
date	Thu, 15 Jan 2009 23:08:54 +0100
parents	c74ba20de292
children	07399639c0c8

comparison

equal deleted inserted replaced

-:2e671fa40eec
+:63a09873578e
 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
 *
 * @since 2.0
 */
 public class Accessible {
 static NSString[] baseAttributes;
 static NSString[] baseTextAttributes;
 static NSString[] baseParameterizedAttributes;
 NSMutableArray attributeNames = null;
 NSMutableArray parameterizedAttributeNames = null;
 NSMutableArray actionNames = null;
 AccessibleListener[] accessibleListeners;
 AccessibleControlListener[] accessibleControlListeners;
 AccessibleTextListener[] accessibleTextListeners;
 Control control;
 HashMap!(int, SWTAccessibleDelegate) children;
 this (Control control) {
 this.control = control;
 baseAttributes = [
 OS.NSAccessibilityRoleAttribute,
 OS.NSAccessibilityRoleDescriptionAttribute,
 OS.NSAccessibilityChildrenAttribute,
 OS.NSAccessibilityPositionAttribute,
 OS.NSAccessibilitySizeAttribute,
 OS.NSAccessibilityWindowAttribute,
 OS.NSAccessibilityTopLevelUIElementAttribute
 ];
 baseTextAttributes = [
 OS.NSAccessibilityNumberOfCharactersAttribute,
 OS.NSAccessibilitySelectedTextAttribute,
 OS.NSAccessibilitySelectedTextRangeAttribute,
 OS.NSAccessibilityInsertionPointLineNumberAttribute,
 OS.NSAccessibilitySelectedTextRangesAttribute,
 OS.NSAccessibilityVisibleCharacterRangeAttribute,
 OS.NSAccessibilityValueAttribute
 ];
 baseParameterizedAttributes = [
 OS.NSAccessibilityStringForRangeParameterizedAttribute,
 OS.NSAccessibilityRangeForLineParameterizedAttribute
 ];
 }
 /**
 	 * Invokes platform specific functionality to allocate a new accessible object.
 	 * <p>
 	 * @return the platform specific accessible object
 	 */
 	public static Accessible internal_new_Accessible(Control control) {
 		return new Accessible(control);
 	}
 /**
 * Adds the listener to the collection of listeners who will
 * be notified when an accessible client asks for certain strings,
 * such as name, description, help, or keyboard shortcut. The
 * listener is notified by sending it one of the messages defined
 public void addAccessibleListener (AccessibleListener listener) {
 checkWidget();
 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
 accessibleListeners.addElement(listener);
 }
 /**
 * Adds the listener to the collection of listeners who will
 * be notified when an accessible client asks for custom control
 * specific information. The listener is notified by sending it
 * one of the messages defined in the <code>AccessibleControlListener</code>
 public void addAccessibleControlListener(AccessibleControlListener listener) {
 checkWidget();
 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
 accessibleControlListeners.addElement(listener);
 }
 /**
 * Adds the listener to the collection of listeners who will
 * be notified when an accessible client asks for custom text control
 * specific information. The listener is notified by sending it
 * one of the messages defined in the <code>AccessibleTextListener</code>
 public cocoa.id internal_accessibilityActionDescription(NSString action, int childID) {
 // TODO No action support for now.
 return NSString.stringWith("");
 }
 public NSArray internal_accessibilityActionNames(int childID) {
 // The supported action list depends on the role played by the control.
 AccessibleControlEvent event = new AccessibleControlEvent(this);
 event.childID = childID;
 event.detail = -1;
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = elementAt(accessibleControlListeners, i);
 listener.getRole(event);
 }
 // No accessible listener is overriding the role of the control, so let Cocoa return the default set for the control.
 if (event.detail is -1) {
 return null;
 }
 }
 NSMutableArray returnValue = NSMutableArray.arrayWithCapacity(5);
 switch (event.detail) {
 case ACC.ROLE_PUSHBUTTON:
 case ACC.ROLE_RADIOBUTTON:
 case ACC.ROLE_CHECKBUTTON:
 case ACC.ROLE_TABITEM:
 returnValue.addObject(OS.NSAccessibilityPressAction);
 break;
 }
 switch (event.detail) {
 case ACC.ROLE_COMBOBOX:
 returnValue.addObject(OS.NSAccessibilityConfirmAction);
 break;
 }
 if (childID is ACC.CHILDID_SELF) {
 actionNames = returnValue;
 actionNames.retain();
 return retainedAutoreleased(actionNames);
 } else {
 // Caller must retain if they want to hold on to it.
 return returnValue;
 }
 }
 public NSArray internal_accessibilityAttributeNames(int childID) {
 // The supported attribute set depends on the role played by the control.
 // We may need to add or remove from the base set as needed.
 AccessibleControlEvent event = new AccessibleControlEvent(this);
 event.childID = childID;
 event.detail = -1;
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getRole(event);
 }
 // No accessible listener is overriding the role of the control, so let Cocoa
 // return the default set for the control.
 if (event.detail is -1)
 return null;
 if ((childID is ACC.CHILDID_SELF) && (attributeNames !is null)) {
 return retainedAutoreleased(attributeNames);
 }
 NSMutableArray returnValue = NSMutableArray.arrayWithCapacity(baseAttributes.length);
 /* Add our list of supported attributes to the array.
 * Make sure each attribute name is not already in the array before appending.
 */
 for (int i = 0; i < baseAttributes.length; i++) {
 if (!returnValue.containsObject(baseAttributes[i])) {
 }
 }
 // The following are expected to have a value (AXValue)
 switch (event.detail) {
 case ACC.ROLE_CHECKBUTTON:
 case ACC.ROLE_RADIOBUTTON:
 case ACC.ROLE_LABEL:
 case ACC.ROLE_TABITEM:
 case ACC.ROLE_TABFOLDER:
 returnValue.addObject(OS.NSAccessibilityValueAttribute);
 break;
 }
 // The following are expected to report their enabled status (AXEnabled)
 switch (event.detail) {
 case ACC.ROLE_CHECKBUTTON:
 case ACC.ROLE_RADIOBUTTON:
 case ACC.ROLE_LABEL:
 case ACC.ROLE_TABITEM:
 case ACC.ROLE_PUSHBUTTON:
 case ACC.ROLE_COMBOBOX:
 returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
 break;
 }
 // The following are expected to report a title (AXTitle)
 switch (event.detail) {
 case ACC.ROLE_CHECKBUTTON:
 case ACC.ROLE_RADIOBUTTON:
 case ACC.ROLE_PUSHBUTTON:
 case ACC.ROLE_TABITEM:
 returnValue.addObject(OS.NSAccessibilityTitleAttribute);
 break;
 }
 // Accessibility verifier says these attributes must be reported for combo boxes.
 if (event.detail is ACC.ROLE_COMBOBOX) {
 returnValue.addObject(OS.NSAccessibilityExpandedAttribute);
 }
 // Accessibility verifier says these attributes must be reported for tab folders.
 if (event.detail is ACC.ROLE_TABFOLDER) {
 returnValue.addObject(OS.NSAccessibilityContentsAttribute);
 returnValue.addObject(OS.NSAccessibilityTabsAttribute);
 }
 /*
 * Only report back sub-roles when the DWT role maps to a sub-role.
 */
 if (event.detail !is -1) {
 String osRole = roleToOs(event.detail);
 if (dwt.dwthelper.utils.indexOf(osRole, ':') is -1)
 returnValue.removeObject(OS.NSAccessibilitySubroleAttribute);
 }
 /*
 * Children never return their own children, so remove that attribute.
 */
 if (childID !is ACC.CHILDID_SELF) {
 returnValue.removeObject(OS.NSAccessibilityChildrenAttribute);
 } else {
 // Caller must retain if necessary.
 return returnValue;
 }
 }
 public cocoa.id internal_accessibilityAttributeValue(NSString attribute, int childID) {
 if (attribute.isEqualToString(OS.NSAccessibilityRoleAttribute)) return getRoleAttribute(childID);
 if (attribute.isEqualToString(OS.NSAccessibilitySubroleAttribute)) return getSubroleAttribute(childID);
 if (attribute.isEqualToString(OS.NSAccessibilityRoleDescriptionAttribute)) return getRoleDescriptionAttribute(childID);
 if (attribute.isEqualToString(OS.NSAccessibilityExpandedAttribute)) return getExpandedAttribute(childID);
 public cocoa.id internal_accessibilityAttributeValue_forParameter(NSString attribute, cocoa.id parameter, int childID) {
 if (attribute.isEqualToString(OS.NSAccessibilityStringForRangeParameterizedAttribute)) return getStringForRangeAttribute(parameter, childID);
 if (attribute.isEqualToString(OS.NSAccessibilityRangeForLineParameterizedAttribute)) return getRangeForLineParameterizedAttribute(parameter, childID);
 return null;
 }
 // Returns the UI Element that has the focus. You can assume that the search for the focus has already been narrowed down to the receiver.
 // Override this method to do a deeper search with a UIElement - e.g. a NSMatrix would determine if one of its cells has the focus.
 public cocoa.id internal_accessibilityFocusedUIElement(int childID) {
 AccessibleControlEvent event = new AccessibleControlEvent(this);
 event.childID = ACC.CHILDID_MULTIPLE; // set to invalid value, to test if the application sets it in getFocus()
 /* Or the application can answer a valid child ID, including CHILDID_SELF and CHILDID_NONE. */
 if (event.childID is ACC.CHILDID_SELF || event.childID is ACC.CHILDID_NONE) {
 return new cocoa.id(OS.NSAccessibilityUnignoredAncestor(control.view.id));
 }
 return new cocoa.id(OS.NSAccessibilityUnignoredAncestor(childIDToOs(event.childID).id));
 }
 // Returns the deepest descendant of the UIElement hierarchy that contains the point.
 // You can assume the point has already been determined to lie within the receiver.
 // Override this method to do deeper hit testing within a UIElement - e.g. a NSMatrix would test its cells. The point is bottom-left relative screen coordinates.
 public cocoa.id internal_accessibilityHitTest(NSPoint point, int childID) {
 AccessibleControlEvent event = new AccessibleControlEvent(this);
 event.x = cast(int) point.x;
 dwt.widgets.Monitor.Monitor primaryMonitor = Display.getCurrent().getPrimaryMonitor();
 event.y = cast(int) (primaryMonitor.getBounds().height - point.y);
 // Set an impossible value to determine if anything responded to the event.
 event.childID = ACC.CHILDID_MULTIPLE;
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getChildAtPoint(event);
 return null;
 if (event.accessible !is null) {
 return new cocoa.id(OS.NSAccessibilityUnignoredAncestor(event.accessible.control.view.id));
 }
 if (event.childID is ACC.CHILDID_SELF || event.childID is ACC.CHILDID_NONE) {
 return new cocoa.id(OS.NSAccessibilityUnignoredAncestor(control.view.id));
 }
 return new cocoa.id(OS.NSAccessibilityUnignoredAncestor(childIDToOs(event.childID).id));
 }
 public bool internal_accessibilityIsAttributeSettable(NSString attribute, int childID) {
 return false;
 }
 // Return YES if the UIElement doesn't show up to the outside world - i.e. its parent should return the UIElement's children as its own - cutting the UIElement out. E.g. NSControls are ignored when they are single-celled.
 public bool internal_accessibilityIsIgnored(int childID) {
 return false;
 }
 // parameterized attribute methods
 public NSArray internal_accessibilityParameterizedAttributeNames(int childID) {
 if ((childID is ACC.CHILDID_SELF) && (parameterizedAttributeNames !is null)) {
 return retainedAutoreleased(parameterizedAttributeNames);
 }
 NSMutableArray returnValue = NSMutableArray.arrayWithCapacity(4);
 if (accessibleTextListeners.size() > 0) {
 for (int i = 0; i < baseParameterizedAttributes.length; i++) {
 if (!returnValue.containsObject(baseParameterizedAttributes[i])) {
 returnValue.addObject(baseParameterizedAttributes[i]);
 }
 }
 }
 if (childID is ACC.CHILDID_SELF) {
 parameterizedAttributeNames = returnValue;
 parameterizedAttributeNames.retain();
 return retainedAutoreleased(parameterizedAttributeNames);
 } else {
 // Caller must retain if they want to keep it.
 return returnValue;
 }
 }
 public void internal_accessibilityPerformAction(NSString action, int childID) {
 // TODO Auto-generated method stub
 // No action support for now.
 }
 /**
 * Returns the control for this Accessible object.
 *
 * @return the receiver's control
 * @since 3.0
 */
 public Control getControl() {
 return control;
 }
 /**
 * Invokes platform specific functionality to dispose an accessible object.
 * <p>
 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
 * API for <code>Accessible</code>. It is marked public only so that it
 attributeNames = null;
 if (parameterizedAttributeNames !is null) parameterizedAttributeNames.release();
 parameterizedAttributeNames = null;
 foreach (childDelegate ; children)
 childDelegate.internal_dispose_SWTAccessibleDelegate();
 children.clear();
 }
 cocoa.id getExpandedAttribute(int childID) {
 // TODO: May need to expand the API so the combo box state can be reported.
 return NSNumber.numberWithBool(false);
 }
 cocoa.id getHelpAttribute (int childID) {
 cocoa.id returnValue = null;
 AccessibleEvent event = new AccessibleEvent(this);
 event.childID = childID;
 for (int i = 0; i < accessibleListeners.size(); i++) {
 String appRole = roleToOs (event.detail);
 int index = dwt.dwthelper.utils.indexOf(appRole, ':');
 if (index !is -1) appRole = appRole.substring(0, index);
 returnValue = NSString.stringWith(appRole);
 }
 return returnValue;
 }
 cocoa.id getSubroleAttribute (int childID) {
 cocoa.id returnValue = null;
 cocoa.id getTitleAttribute (int childID) {
 cocoa.id returnValue = null;//NSString.stringWith("");
 /*
 * Feature of the Macintosh.  The text of a Label is returned in its value,
 * not its title, so ensure that the role is not Label before asking for the title.
 */
 AccessibleControlEvent roleEvent = new AccessibleControlEvent(this);
 roleEvent.childID = childID;
 roleEvent.detail = -1;
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getRole(event);
 listener.getValue(event);
 }
 int role = event.detail;
 String value = event.result;
 switch (role) {
 case ACC.ROLE_RADIOBUTTON: // 1 = on, 0 = off
 case ACC.ROLE_CHECKBUTTON: // 1 = checked, 0 = unchecked, 2 = mixed
 case ACC.ROLE_SCROLLBAR: // numeric value representing the position of the scroller
 case ACC.ROLE_SLIDER: // the value associated with the position of the slider thumb
 case ACC.ROLE_PROGRESSBAR: // the value associated with the fill level of the progress bar
 if (value !is null) {
 try {
 int number = Integer.parseInt(value);
 returnValue = NSNumber.numberWithInt(number);
 } catch (NumberFormatException ex) {
 if (value.equalsIgnoreCase("true")) {
 returnValue = NSNumber.numberWithBool(true);
 } else if (value.equalsIgnoreCase("false")) {
 returnValue = NSNumber.numberWithBool(false);
+}
 }
+} else {
+returnValue = NSNumber.numberWithBool(false);
 }
-} else {
+break;
-returnValue = NSNumber.numberWithBool(false);
+case ACC.ROLE_TABFOLDER: // the accessibility object representing the currently selected tab item
-}
+case ACC.ROLE_TABITEM:  // 1 = selected, 0 = not selected
-break;
+AccessibleControlEvent ace = new AccessibleControlEvent(this);
-case ACC.ROLE_TABFOLDER: // the accessibility object representing the currently selected tab item
+ace.childID = -4;
-case ACC.ROLE_TABITEM:  // 1 = selected, 0 = not selected
+for (int i = 0; i < accessibleControlListeners.size(); i++) {
-AccessibleControlEvent ace = new AccessibleControlEvent(this);
+AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
-ace.childID = -4;
+listener.getSelection(ace);
-for (int i = 0; i < accessibleControlListeners.size(); i++) {
+}
-AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
+if (ace.childID >= ACC.CHILDID_SELF) {
-listener.getSelection(ace);
+if (role is ACC.ROLE_TABITEM) {
-}
+returnValue = NSNumber.numberWithBool(ace.childID is childID);
-if (ace.childID >= ACC.CHILDID_SELF) {
+} else {
-if (role is ACC.ROLE_TABITEM) {
+returnValue = new cocoa.id(OS.NSAccessibilityUnignoredAncestor(childIDToOs(ace.childID).id));
-returnValue = NSNumber.numberWithBool(ace.childID is childID);
+}
 } else {
-returnValue = new cocoa.id(OS.NSAccessibilityUnignoredAncestor(childIDToOs(ace.childID).id));
+returnValue = NSNumber.numberWithBool(false);
 }
-} else {
+break;
-returnValue = NSNumber.numberWithBool(false);
+case ACC.ROLE_COMBOBOX: // text of the currently selected item
-}
+case ACC.ROLE_TEXT: // text in the text field
-break;
-case ACC.ROLE_COMBOBOX: // text of the currently selected item
-case ACC.ROLE_TEXT: // text in the text field
-if (value !is null) returnValue = NSString.stringWith(value);
-break;
-case ACC.ROLE_LABEL: // text in the label
-/* On a Mac, the 'value' of a label is the same as the 'name' of the label. */
-AccessibleEvent e = new AccessibleEvent(this);
-e.childID = childID;
-e.result = null;
-for (int i = 0; i < accessibleListeners.size(); i++) {
-AccessibleListener listener = accessibleListeners.elementAt(i);
-listener.getName(e);
-}
-if (e.result !is null) {
-returnValue = NSString.stringWith(e.result);
-} else {
 if (value !is null) returnValue = NSString.stringWith(value);
-}
+break;
-break;
+case ACC.ROLE_LABEL: // text in the label
+/* On a Mac, the 'value' of a label is the same as the 'name' of the label. */
+AccessibleEvent e = new AccessibleEvent(this);
+e.childID = childID;
+e.result = null;
+for (int i = 0; i < accessibleListeners.size(); i++) {
+AccessibleListener listener = accessibleListeners.elementAt(i);
+listener.getName(e);
+}
+if (e.result !is null) {
+returnValue = NSString.stringWith(e.result);
+} else {
+if (value !is null) returnValue = NSString.stringWith(value);
+}
+break;
 }
 return returnValue;
 }
 event.detail = -1;
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getState(event);
 }
 return NSNumber.numberWithBool(control.isEnabled());
 }
 cocoa.id getFocusedAttribute (int childID) {
 AccessibleControlEvent event = new AccessibleControlEvent(this);
 event.accessible = null;
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getFocus(event);
 }
 /* The application can optionally answer an accessible. */
 // FIXME:
 //      if (event.accessible !is null) {
 //          bool hasFocus = (event.accessible.childID is childID) && (event.accessible.control is this.control);
 //          return NSNumber.numberWithBool(hasFocus);
 //      }
 /* Or the application can answer a valid child ID, including CHILDID_SELF and CHILDID_NONE. */
 if (event.childID is ACC.CHILDID_SELF) {
 bool hasFocus = (event.childID is childID);
 return NSNumber.numberWithBool(hasFocus);
 }
 if (event.childID !is ACC.CHILDID_MULTIPLE) {
 /* Other valid childID. */
 return NSNumber.numberWithBool(event.childID is childID);
 }
 // Invalid childID at this point means the application did not implement getFocus, so
 // let the default handler return the native focus.
 bool hasFocus = (this.control.view.window().firstResponder() is control.view);
 return NSNumber.numberWithBool(hasFocus);
 }
 }
 Object [] appChildren = event.children;
 if (appChildren !is null && appChildren.length > 0) {
 /* return an NSArray of NSAccessible objects. */
 NSMutableArray childArray = NSMutableArray.arrayWithCapacity(appChildren.length);
 for (int i = 0; i < appChildren.length; i++) {
 Object child = appChildren[i];
 if (cast(Integer) child) {
 cocoa.id accChild = childIDToOs((cast(Integer)child).intValue());
 childArray.addObject(accChild);
 } else {
 childArray.addObject((cast(Accessible)child).control.view);
 }
 }
 returnValue = new cocoa.id(OS.NSAccessibilityUnignoredChildren(childArray.id));
 }
 }
 } else {
 // Lightweight children have no children of their own.
 // Don't return null if there are no children -- always return an empty array.
 returnValue = NSArray.array();
 }
 // Returning null here means we want the control itself to determine its children. If the accessible listener
 // implemented getChildCount/getChildren, references to those objects would have been returned above.
 return returnValue;
 }
 }
 Object [] appChildren = event.children;
 if (appChildren !is null && appChildren.length > 0) {
 /* return an NSArray of NSAccessible objects. */
 NSMutableArray childArray = NSMutableArray.arrayWithCapacity(appChildren.length);
 for (int i = 0; i < appChildren.length; i++) {
 Object child = appChildren[i];
 if (cast(Integer)child) {
 int subChildID = (cast(Integer)child).intValue();
 event.childID = subChildID;
 }
 } else {
 childArray.addObject((cast(Accessible)child).control.view);
 }
 }
 returnValue = new cocoa.id(OS.NSAccessibilityUnignoredChildren(childArray.id));
 }
 }
 } else {
 // Lightweight children have no children of their own.
 // Don't return null if there are no children -- always return an empty array.
 returnValue = NSArray.array();
 }
 // Returning null here means we want the control itself to determine its children. If the accessible listener
 // implemented getChildCount/getChildren, references to those objects would have been returned above.
 return returnValue;
 }
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getLocation(event);
 }
 dwt.widgets.Monitor.Monitor primaryMonitor = Display.getCurrent().getPrimaryMonitor();
 NSPoint osPositionAttribute = NSPoint ();
 if (event.width !is -1) {
 // The point returned is the lower-left coordinate of the widget in lower-left relative screen coordinates.
 returnValue = NSValue.valueWithPoint(osPositionAttribute);
 } else {
 if (childID !is ACC.CHILDID_SELF) {
 Point pt = null;
 Rectangle location = control.getBounds();
 if (control.getParent() !is null)
 pt = control.getParent().toDisplay(location.x, location.y);
 else
 pt = (cast(Shell)control).toDisplay(location.x, location.y);
 osPositionAttribute.x = pt.x;
 osPositionAttribute.y = pt.y;
 returnValue = NSValue.valueWithPoint(osPositionAttribute);
 }
 }
 cocoa.id getSizeAttribute (int childID) {
 cocoa.id returnValue = null;
 AccessibleControlEvent event = new AccessibleControlEvent(this);
 event.childID = childID;
 event.width = -1;
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getLocation(event);
 }
 NSSize controlSize = NSSize ();
 if (event.width !is -1) {
 controlSize.width = event.width;
 controlSize.height = event.height;
 returnValue = NSValue.valueWithSize(controlSize);
 cocoa.id returnValue = null;
 for (int i = 0; i < accessibleListeners.size(); i++) {
 AccessibleListener listener = accessibleListeners.elementAt(i);
 listener.getDescription(event);
 }
 returnValue = (event.result !is null ? NSString.stringWith(event.result) : null);
 // If no description was provided, try the name.
 if (returnValue is null) {
 if (cast(Composite) control) returnValue = NSString.stringWith("");
 }
 return returnValue;
 }
 cocoa.id getInsertionPointLineNumberAttribute (int childID) {
 cocoa.id returnValue = null;
 return returnValue;
 }
 cocoa.id getRangeForLineParameterizedAttribute (cocoa.id parameter, int childID) {
 cocoa.id returnValue = null;
 // The parameter is an NSNumber with the line number.
 NSNumber lineNumberObj = new NSNumber(parameter.id);
 int lineNumber = lineNumberObj.intValue();
 System.out_.println("Line number = " ~ Integer.toString(lineNumber));
 AccessibleControlEvent event = new AccessibleControlEvent(this);
 for (int i = 0; i < accessibleControlListeners.size(); i++) {
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getValue(event);
 }
 String appValue = event.result;
 if (appValue !is null) {
 returnValue = NSString.stringWith(appValue.substring(range.location, range.location + range.length));
 }
 return returnValue;
 }
 cocoa.id getSelectedTextRangesAttribute (int childID) {
 NSMutableArray returnValue = null;
 AccessibleControlListener listener = accessibleControlListeners.elementAt(i);
 listener.getValue(event);
 }
 NSRange range = NSRange();
 if (event.result !is null) {
 range.location = 0;
 range.length = event.result.length();
 } else {
 return null;
 //          range.location = range.length = 0;
 }
 return NSValue.valueWithRange(range);
 }
 int lineNumberForOffset (String text, int offset) {
 int lineNumber = 1;
 int length = text.length();
 for (int i = 0; i < offset; i++) {
 switch (text.charAt (i)) {
 lineNumber++;
 }
 }
 return lineNumber;
 }
 NSRange rangeForLineNumber (int lineNumber, String text) {
 NSRange range = NSRange();
 range.location = -1;
 int line = 1;
 int count = 0;
 }
 }
 range.length = count;
 return range;
 }
 /**
 * Removes the listener from the collection of listeners who will
 * be notified when an accessible client asks for certain strings,
 * such as name, description, help, or keyboard shortcut.
 *
 public void removeAccessibleListener(AccessibleListener listener) {
 checkWidget();
 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
 accessibleListeners.removeElement(listener);
 }
 /**
 * Removes the listener from the collection of listeners who will
 * be notified when an accessible client asks for custom control
 * specific information.
 *
 public void removeAccessibleControlListener(AccessibleControlListener listener) {
 checkWidget();
 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
 accessibleControlListeners.removeElement(listener);
 }
 /**
 * Removes the listener from the collection of listeners who will
 * be notified when an accessible client asks for custom text control
 * specific information.
 *
 public void removeAccessibleTextListener (AccessibleTextListener listener) {
 checkWidget ();
 if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
 accessibleTextListeners.removeElement (listener);
 }
 static NSArray retainedAutoreleased(NSArray inObject) {
 cocoa.id temp = inObject.retain();
 cocoa.id temp2 = (new NSObject(temp.id)).autorelease();
 return new NSArray(temp2.id);
 }
 */
 public void selectionChanged () {
 checkWidget();
 OS.NSAccessibilityPostNotification(control.view.id, OS.NSAccessibilitySelectedChildrenChangedNotification.id);
 }
 /**
 * Sends a message to accessible clients indicating that the focus
 * has changed within a custom control.
 *
 * @param childID an identifier specifying a child of the control
 */
 public void setFocus(int childID) {
 checkWidget();
 OS.NSAccessibilityPostNotification(control.view.id, OS.NSAccessibilityFocusedUIElementChangedNotification.id);
 }
 /**
 * Sends a message to accessible clients that the text
 * caret has moved within a custom control.
 *
 * @param index the new caret index within the control
 */
 public void textCaretMoved (int index) {
 checkWidget();
 OS.NSAccessibilityPostNotification(control.view.id, OS.NSAccessibilitySelectedTextChangedNotification.id);
 }
 /**
 * Sends a message to accessible clients that the text
 * within a custom control has changed.
 *
 * @param type the type of change, one of <code>ACC.NOTIFY_TEXT_INSERT</code>
 */
 public void textChanged (int type, int startIndex, int length) {
 checkWidget();
 OS.NSAccessibilityPostNotification(control.view.id, OS.NSAccessibilityValueChangedNotification.id);
 }
 /**
 * Sends a message to accessible clients that the text
 * selection has changed within a custom control.
 *
 * @exception DWTException <ul>
 cocoa.id childIDToOs(int childID) {
 if (childID is ACC.CHILDID_SELF) {
 return control.view;
 }
 /* Check cache for childID, if found, return corresponding osChildID. */
 SWTAccessibleDelegate childRef = children[childID];
 if (childRef is null) {
 childRef = new SWTAccessibleDelegate(this, childID);
 children.add(childID, childRef);
 }
 return childRef;
 }
 NSString concatStringsAsRole(NSString str1, NSString str2) {
 NSString returnValue = str1;
 returnValue = returnValue.stringByAppendingString(NSString.stringWith(":"));
 returnValue = returnValue.stringByAppendingString(str2);
 return returnValue;
 case ACC.ROLE_TABITEM: nsReturnValue = OS.NSAccessibilityRadioButtonRole; break;
 case ACC.ROLE_PROGRESSBAR: nsReturnValue = OS.NSAccessibilityProgressIndicatorRole; break;
 case ACC.ROLE_SLIDER: nsReturnValue = OS.NSAccessibilitySliderRole; break;
 case ACC.ROLE_LINK: nsReturnValue = OS.NSAccessibilityLinkRole; break;
 }
 return nsReturnValue.getString();
 }
 int osToRole(NSString osRole) {
 if (osRole is null) return 0;
 if (osRole.isEqualToString(OS.NSAccessibilityWindowRole)) return ACC.ROLE_WINDOW;
 if (osRole.isEqualToString(OS.NSAccessibilityMenuBarRole)) return ACC.ROLE_MENUBAR;
 if (osRole.isEqualToString(OS.NSAccessibilityMenuRole)) return ACC.ROLE_MENU;
 /* checkWidget was copied from Widget, and rewritten to work in this package */
 void checkWidget () {
 if (!isValidThread ()) DWT.error (DWT.ERROR_THREAD_INVALID_ACCESS);
 if (control.isDisposed ()) DWT.error (DWT.ERROR_WIDGET_DISPOSED);
 }
 /* isValidThread was copied from Widget, and rewritten to work in this package */
 bool isValidThread () {
 return control.getDisplay ().getThread () is Thread.getThis ();
 }
 }

Mercurial > projects > dwt-mac

comparison dwt/accessibility/Accessible.d @ 123:63a09873578e