migration to shorter listener names

README.md

@@ -11,6 +11,8 @@ API Documentation: [http://buggins.github.io/dlangui/ddox](http://buggins.github
 
 Wiki: [https://github.com/buggins/dlangui/wiki/Home](https://github.com/buggins/dlangui/wiki/Home)
 
+Getting Started Tutorial: [https://github.com/buggins/dlangui/wiki/Getting-Started](https://github.com/buggins/dlangui/wiki/Getting-Started)
+
 Screenshots: [http://buggins.github.io/dlangui/screenshots.html](http://buggins.github.io/dlangui/screenshots.html)
 
 
@@ -324,14 +326,14 @@ Example of complex UI easy created from text:
         auto edit1 = window.mainWidget.childById!EditLine("edit1");
         auto edit2 = window.mainWidget.childById!EditLine("edit2");
         // close window on Cancel button click
-        window.mainWidget.childById!Button("btnCancel").onClickListener = delegate(Widget w) {
+        window.mainWidget.childById!Button("btnCancel").click = delegate(Widget w) {
             window.close();
             return true;
         };
         // show message box with content of editors
-        window.mainWidget.childById!Button("btnOk").onClickListener = delegate(Widget w) {
+        window.mainWidget.childById!Button("btnOk").click = delegate(Widget w) {
             window.showMessageBox(UIString("Ok button pressed"d), 
-                                  UIString("Editors content\nEdit1: "d ~ edit1.text ~ "\nEdit2: "d ~ edit2.text));
+                    UIString("Editors content\nEdit1: "d ~ edit1.text ~ "\nEdit2: "d ~ edit2.text));
             return true;
         };
 

examples/example1/src/example1.d

@@ -46,13 +46,13 @@ class TimerTest : HorizontalLayout {
         _start = new Button(null, "Start timer"d);
         _stop = new Button(null, "Stop timer"d);
         _stop.enabled = false;
-        _start.onClickListener = delegate(Widget src) {
+        _start.click = delegate(Widget src) {
             _start.enabled = false;
             _stop.enabled = true;
             timerId = setTimer(1000);
             return true;
         };
-        _stop.onClickListener = delegate(Widget src) {
+        _stop.click = delegate(Widget src) {
             _start.enabled = true;
             _stop.enabled = false;
             cancelTimer(timerId);
@@ -477,9 +477,9 @@ extern (C) int UIAppMain(string[] args) {
               );
         destroy(w);
 
-		layout.childById("BTN1").onClickListener = (delegate (Widget w) { Log.d("onClick ", w.id); return true; });
+		layout.childById("BTN1").click = delegate (Widget w) { Log.d("onClick ", w.id); return true; };
-		layout.childById("BTN2").onClickListener = (delegate (Widget w) { Log.d("onClick ", w.id); return true; });
+		layout.childById("BTN2").click = delegate (Widget w) { Log.d("onClick ", w.id); return true; };
-		layout.childById("BTN3").onClickListener = (delegate (Widget w) { Log.d("onClick ", w.id); return true; });
+		layout.childById("BTN3").click = delegate (Widget w) { Log.d("onClick ", w.id); return true; };
 
         }
 
@@ -531,7 +531,7 @@ extern (C) int UIAppMain(string[] args) {
             Button btn = new Button(null, "Add item"d);
             itemedit.addChild(btn);
             longLists.addChild(itemedit);
-            btn.onClickListener = delegate(Widget src)
+            btn.click = delegate(Widget src)
             {
                 stringList.add(itemtext.text);
                 listAdapter.add((new TextWidget()).text(itemtext.text).styleId("LIST_ITEM"));

src/dlangui/core/editable.d

@@ -586,7 +586,9 @@ class EditableContent {
     @property EditableContent smartIndentsAfterPaste(bool enabled) { _smartIndentsAfterPaste = enabled; return this; }
 
 	/// listeners for edit operations
-	Signal!EditableContentListener contentChangeListeners;
+	Signal!EditableContentListener contentChanged;
+    /// contentChanged signal alias for backward compatibility; will be deprecated in future
+    alias contentChangeListeners = contentChanged;
 
     protected bool _multiline;
     /// returns true if miltyline content is supported

src/dlangui/widgets/combobox.d

@@ -45,7 +45,9 @@ class ComboBoxBase : HorizontalLayout, OnClickHandler {
     protected int _selectedItemIndex;
 
     /** Handle item click. */
-    Signal!OnItemSelectedHandler onItemClickListener;
+    Signal!OnItemSelectedHandler itemClick;
+    /// itemClick signal alias for backward compatibility; will be deprecated in future
+    alias onItemClickListener = itemClick;
 
     protected Widget createSelectedItemWidget() {
         Widget res;

src/dlangui/widgets/editors.d

@@ -241,9 +241,15 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
     protected bool _contentChanged = true;
 
 
-    /// Modified state change listener
+    /// Modified state change listener (e.g. content has been saved, or first time modified after save)
-    Signal!ModifiedStateListener onModifiedStateChangeListener;
+    Signal!ModifiedStateListener modifiedStateChange;
-    Signal!EditableContentChangeListener onContentChangeListener;
+    /// modifiedStateChange signal alias for backward compatibility; will be deprecated in future
+    alias onModifiedStateChangeListener = modifiedStateChange;
+
+    /// editor content is changed
+    Signal!EditableContentChangeListener contentChange;
+    /// contentChange signal alias for backward compatibility; will be deprecated in future
+    alias onContentChangeListener = contentChange;
 
     /// override to support modification of client rect after change, e.g. apply offset
     override protected void handleClientRectLayout(ref Rect rc) {

src/dlangui/widgets/grid.d

@@ -228,9 +228,14 @@ interface CellActivatedHandler {
 /// Abstract grid widget
 class GridWidgetBase : ScrollWidgetBase {
     /// Callback to handle selection change
-    Listener!CellSelectedHandler onCellSelected;
+    Listener!CellSelectedHandler cellSelected;
+    /// cellSelected signal alias for backward compatibility; will be deprecated in future
+    alias onCellSelected = cellSelected;
+
     /// Callback to handle cell double click
-    Listener!CellActivatedHandler onCellActivated;
+    Listener!CellActivatedHandler cellActivated;
+    /// cellActivated signal alias for backward compatibility; will be deprecated in future
+    alias onCellActivated = cellActivated;
 
     protected CustomGridCellAdapter _customCellAdapter;
 

src/dlangui/widgets/lists.d

@@ -393,9 +393,13 @@ interface OnItemClickHandler {
 class ListWidget : WidgetGroup, OnScrollHandler, OnAdapterChangeHandler {
 
     /** Handle selection change. */
-    Signal!OnItemSelectedHandler onItemSelectedListener;
+    Signal!OnItemSelectedHandler itemSelected;
-    /** Handle item click. */
+    /// itemSelected signal alias for backward compatibility; will be deprecated in future
-    Signal!OnItemSelectedHandler onItemClickListener;
+    alias onItemSelectedListener = itemSelected;
+    /** Handle item click / activation (e.g. Space or Enter key press and mouse double click) */
+    Signal!OnItemClickHandler itemClick;
+    /// itemClick signal alias for backward compatibility; will be deprecated in future
+    alias onItemClickListener = itemClick;
 
     protected Orientation _orientation = Orientation.Vertical;
     /// returns linear layout orientation (Vertical, Horizontal)

src/dlangui/widgets/widget.d

@@ -1204,15 +1204,29 @@ class Widget {
     // Signals
 
 	/// on click event listener (bool delegate(Widget))
-    Signal!OnClickHandler onClickListener;
+    Signal!OnClickHandler click;
+    /// click signal alias for backward compatibility; will be deprecated in future
+    alias onClickListener = click;
+
 	/// checked state change event listener (bool delegate(Widget, bool))
-    Signal!OnCheckHandler onCheckChangeListener;
+    Signal!OnCheckHandler checkChange;
+    /// checkChange signal alias for backward compatibility; will be deprecated in future
+    alias onCheckChangeListener = checkChange;
+
 	/// focus state change event listener (bool delegate(Widget, bool))
-    Signal!OnFocusHandler onFocusChangeListener;
+    Signal!OnFocusHandler focusChange;
+    /// focusChange signal alias for backward compatibility; will be deprecated in future
+    alias onFocusChangeListener = focusChange;
+
 	/// key event listener (bool delegate(Widget, KeyEvent)) - return true if event is processed by handler
-    Signal!OnKeyHandler onKeyListener;
+    Signal!OnKeyHandler keyEvent;
+    /// keyEvent signal alias for backward compatibility; will be deprecated in future
+    alias onKeyListener = keyEvent;
+
 	/// mouse event listener (bool delegate(Widget, MouseEvent)) - return true if event is processed by handler
-    Signal!OnMouseHandler onMouseListener;
+    Signal!OnMouseHandler mouseEvent;
+    /// mouseEvent signal alias for backward compatibility; will be deprecated in future
+    alias onMouseListener = mouseEvent;
 
     /// helper function to add onCheckChangeListener in method chain
     Widget addOnClickListener(bool delegate(Widget) listener) {