toolbars; fix focus problems in dock host

res/theme_default.xml

@@ -101,6 +101,7 @@
         <state state_pressed="true" backgroundColor="#C0404080"/>
         <state state_hovered="true" backgroundColor="#F0404080"/>
     </style>
+
     <style id="TAB_UP"
         backgroundImageId="tab_up_background"
         layoutWidth="FILL_PARENT"
@@ -125,9 +126,9 @@
         backgroundColor="#F0F0F0"
         />
     <style id="TAB_WIDGET"
-        padding="3,3,3,3"
         backgroundColor="#EEEEEE"
         />
+
     <style id="MAIN_MENU"
         layoutWidth="FILL_PARENT"
         backgroundColor="#EFEFF2"
@@ -275,9 +276,10 @@
         margins="2,2,2,2"
         />
     <style id="TOOLBAR_BUTTON"
-        backgroundImageId="btn_background_transparent"
+        backgroundImageId="toolbar_button_background"
         align="Center"
-        margins="2,2,2,2"
+        margins="1,1,1,1"
+        padding="4,4,4,4"
         />
     <style id="TOOLBAR_SEPARATOR"
         align="Center"

res/toolbar_button_background.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android" >
+  <item
+    android:drawable="toolbar_button_hover"
+    android:state_enabled="false"
+    android:state_focused="true" />
+  <item
+    android:drawable="toolbar_button_hover"
+    android:state_hovered="true"
+    android:state_focused="true" />
+  <item
+    android:drawable="toolbar_button_hover"
+    android:state_focused="true" 
+  />
+  <item
+    android:drawable="toolbar_button_pressed"
+    android:state_pressed="true" />
+  <item
+    android:drawable="toolbar_button_hover"
+    android:state_hovered="true" />
+  <item
+    android:drawable="@null" />
+</selector>

src/dlangui/widgets/docks.d

@@ -37,6 +37,7 @@ class DockHost : WidgetGroupDefaultDrawing {
         _children.replace(widget, _bodyWidget);
         _bodyWidget = widget;
         _bodyWidget.layoutWidth(FILL_PARENT).layoutHeight(FILL_PARENT);
+        _bodyWidget.parent = this;
     }
 
     void addDockedWindow(DockWindow dockWin) {
@@ -158,6 +159,7 @@ class DockWindow : VerticalLayout {
         _children.replace(widget, _bodyWidget);
         _bodyWidget = widget;
         _bodyWidget.layoutWidth(FILL_PARENT).layoutHeight(FILL_PARENT);
+        _bodyWidget.parent = this;
         requestLayout();
     }
 

src/dlangui/widgets/toolbars.d

@@ -0,0 +1,104 @@
+// Written in the D programming language.
+
+/**
+
+This module implements support of tool bars.
+
+ToolBarHost is layout to hold one or more toolbars.
+
+ToolBar is bar with tool buttons and other controls arranged horizontally.
+
+Synopsis:
+
+----
+import dlangui.widgets.toolbars;
+----
+
+
+Copyright: Vadim Lopatin, 2015
+License:   Boost License 1.0
+Authors:   Vadim Lopatin, coolreader.org@gmail.com
+*/
+module dlangui.widgets.toolbars;
+
+import dlangui.widgets.widget;
+import dlangui.widgets.layouts;
+import dlangui.widgets.controls;
+
+/// Layout with several toolbars
+class ToolBarHost : HorizontalLayout {
+    this(string ID) {
+        super(ID);
+    }
+    this() {
+        this("TOOLBAR_HOST");
+        styleId = STYLE_TOOLBAR_HOST;
+    }
+    /// create and add new toolbar (returns existing one if already exists)
+    ToolBar getOrAddToolbar(string ID) {
+        ToolBar res = getToolbar(ID);
+        if (!res) {
+            res = new ToolBar(ID);
+            addChild(res);
+        }
+        return res;
+    }
+    /// get toolbar by id; null if not found
+    ToolBar getToolbar(string ID) {
+        Widget res = childById(ID);
+        if (res) {
+            ToolBar tb = cast(ToolBar)res;
+            return tb;
+        }
+        return null;
+    }
+}
+
+/// image button for toolbar
+class ToolBarImageButton : ImageButton {
+    this(Action a) {
+        super(a);
+        styleId = STYLE_TOOLBAR_BUTTON;
+        focusable = false;
+    }
+}
+
+/// separator for toolbars
+class ToolBarSeparator : ImageWidget {
+    this() {
+        super("separator", "toolbar_separator");
+        styleId = STYLE_TOOLBAR_SEPARATOR;
+    }
+}
+
+/// Layout with buttons
+class ToolBar : HorizontalLayout {
+    this(string ID) {
+        super(ID);
+        styleId = STYLE_TOOLBAR;
+    }
+    this() {
+        this("TOOLBAR");
+    }
+    void addCustomControl(Widget widget) {
+        addChild(widget);
+    }
+    /// adds image button to toolbar
+    void addButtons(Action[] actions...) {
+        foreach(a; actions) {
+            if (a.isSeparator) {
+                addChild(new ToolBarSeparator());
+            } else {
+                Widget btn;
+                if (a.iconId) {
+                    btn = new ToolBarImageButton(a);
+                } else {
+                    btn = new Button(a);
+                    btn.styleId = STYLE_TOOLBAR_BUTTON;
+                }
+                addChild(btn);
+            }
+        }
+    }
+
+}

src/dlangui/widgets/widget.d

@@ -1283,7 +1283,9 @@ class Widget {
         return null;
     }
     /// sets window (to be used for top level widget from Window implementation). TODO: hide it from API?
-    @property void window(Window window) { _window = window; }
+    @property void window(Window window) { 
+        _window = window; 
+    }
 
     void removeAllChildren() {
         // override