actions update - working

src/dlangui/core/events.d

@@ -69,14 +69,14 @@ class ActionState {
 }
 
 /// action is 
-__gshared const(ActionState) ACTION_STATE_DEFAULT_ENABLED;
+__gshared const(ActionState) ACTION_STATE_ENABLED;
-__gshared const(ActionState) ACTION_STATE_DEFAULT_DISABLE;
+__gshared const(ActionState) ACTION_STATE_DISABLE;
-__gshared const(ActionState) ACTION_STATE_DEFAULT_INVISIBLE;
+__gshared const(ActionState) ACTION_STATE_INVISIBLE;
 
 __gshared static this() {
-    ACTION_STATE_DEFAULT_ENABLED = cast(const(ActionState))new ActionState(true, true, false);
+    ACTION_STATE_ENABLED = cast(const(ActionState))new ActionState(true, true, false);
-    ACTION_STATE_DEFAULT_DISABLE = cast(const(ActionState))new ActionState(false, true, false);
+    ACTION_STATE_DISABLE = cast(const(ActionState))new ActionState(false, true, false);
-    ACTION_STATE_DEFAULT_INVISIBLE = cast(const(ActionState))new ActionState(false, false, false);
+    ACTION_STATE_INVISIBLE = cast(const(ActionState))new ActionState(false, false, false);
 }
 
 
@@ -106,21 +106,25 @@ class Action {
 
     protected ActionState _defaultState;
 
+    /// set default state to disabled, visible, not-checked
+    Action disableByDefault() { _defaultState = new ActionState(false, true, false); return this; }
+    /// set default state to disabled, invisible, not-checked
+    Action hideByDefault() { _defaultState = new ActionState(false, false, false); return this; }
     /// default state for action if action state lookup failed
-    @property const(ActionState) defaultState() const { return _defaultState ? _defaultState : ACTION_STATE_DEFAULT_ENABLED; }
+    @property const(ActionState) defaultState() const { return _defaultState ? _defaultState : ACTION_STATE_ENABLED; }
     /// default state for action if action state lookup failed
     @property Action defaultState(ActionState s) { _defaultState = s; return this; }
     /// action state
-    @property const(ActionState) state() const { return _state ? _state :  (_defaultState ? _defaultState : ACTION_STATE_DEFAULT_ENABLED); }
+    @property const(ActionState) state() const { return _state ? _state :  (_defaultState ? _defaultState : ACTION_STATE_ENABLED); }
     /// update action state (for non-const action)
     @property Action state(const ActionState s) {
-        if (_state != s)
+        if (!_state || _state != s)
             _state = s.clone();
         return this; 
     }
     /// update action state (can be changed even for const objects)
     @property const(Action) state(const ActionState s) const {
-        if (_state != s) {
+        if (!_state || _state != s) {
             // hack
             Action nonConstThis = cast(Action) this;
             nonConstThis._state = s.clone();

src/dlangui/platforms/common/platform.d

@@ -848,14 +848,18 @@ class Window {
 	protected void setCursorType(uint cursorType) {
 		// override to support different mouse cursors
 	}
-    /// checks content widgets for necessary redraw and/or layout
+    /// update action states
-    bool checkUpdateNeeded(ref bool needDraw, ref bool needLayout, ref bool animationActive) {
+    protected void dispatchWidgetUpdateActionStateRecursive() {
-        if (_actionsUpdateRequested) {
-            // call update action check - as requested
         if (_mainWidget !is null)
             dispatchWidgetUpdateActionStateRecursive(_mainWidget);
         foreach(p; _popups)
             dispatchWidgetUpdateActionStateRecursive(p);
+    }
+    /// checks content widgets for necessary redraw and/or layout
+    bool checkUpdateNeeded(ref bool needDraw, ref bool needLayout, ref bool animationActive) {
+        if (_actionsUpdateRequested) {
+            // call update action check - as requested
+            dispatchWidgetUpdateActionStateRecursive();
             _actionsUpdateRequested = false;
         }
         needDraw = needLayout = animationActive = false;
@@ -884,10 +888,14 @@ class Window {
 	/// close window
 	abstract void close();
 
-    protected bool _actionsUpdateRequested;
+    protected bool _actionsUpdateRequested = true;
+
     /// set action update request flag, will be cleared after redraw
-    void requestActionsUpdate() {
+    void requestActionsUpdate(bool immediateUpdate = false) {
+        if (!immediateUpdate)
             _actionsUpdateRequested = true;
+        else
+            dispatchWidgetUpdateActionStateRecursive();
     }
 
     @property bool actionsUpdateRequested() {

src/dlangui/widgets/appframe.d

@@ -86,6 +86,7 @@ class AppFrame : VerticalLayout, MenuItemClickHandler, MenuItemActionHandler {
                     destroy(_currentBackgroundOperation);
                     _currentBackgroundOperation = null;
                     _currentBackgroundOperationTimer = 0;
+                    requestActionsUpdate();
                     return false;
                 }
                 return true;
@@ -106,6 +107,7 @@ class AppFrame : VerticalLayout, MenuItemClickHandler, MenuItemActionHandler {
         _currentBackgroundOperation = op;
         if (op)
             _currentBackgroundOperationTimer = setTimer(op.updateInterval);
+        requestActionsUpdate();
     }
 
     /// main menu widget

src/dlangui/widgets/tabs.d

@@ -747,4 +747,14 @@ class TabWidget : VerticalLayout, TabHandler, TabCloseHandler {
         }
         return super.onKeyEvent(event);
     }
+
+    @property string selectedTabId() const {
+        return _tabControl._selectedTabId;
+    }
+
+    /// get tab content widget by id
+    Widget selectedTabBody() {
+        return _tabHost.tabBody(_tabControl._selectedTabId);
+    }
+
 }

src/dlangui/widgets/widget.d

@@ -669,6 +669,12 @@ class Widget {
             visibility = s.visible ? Visibility.Visible : Visibility.Gone;
         }
     }
+    /// set action update request flag, will be cleared after redraw
+    void requestActionsUpdate(bool immediateUpdate = false) {
+        if (Window w = window) {
+            w.requestActionsUpdate(immediateUpdate);
+        }
+    }
 
     protected bool _focusGroup;
     /*****************************************

views/res/theme_default.xml

@@ -311,13 +311,17 @@
         align="Center"
         margins="1,1,1,1"
         padding="2,2,2,2"
-        />
+        >
+        <state state_enabled="false" alpha="160" backgroundImageId="@null"/>
+    </style>
     <style id="TOOLBAR_CONTROL"
         backgroundImageId="toolbar_control_background"
         align="Center"
         margins="1,1,1,1"
         padding="2,2,2,2"
-        />
+        >
+        <state state_enabled="false" alpha="160" backgroundImageId="@null"/>
+    </style>
     <style id="TOOLBAR_SEPARATOR"
         align="Center"
         />