update styles for treem, list items, menu items

res/list_item_background.xml

@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android" >
   <item
-    android:drawable="#C0000000,1px"
+    android:drawable="btn_disabled"
     android:state_enabled="false"
     android:state_focused="true" />
   <item
-    android:drawable="#80000000,1px,#E04040FF"
+    android:drawable="btn_pressed"
     android:state_focused="true" />
   <item
-    android:drawable="#A00000FF"
+    android:drawable="btn_normal"
     android:state_selected="true" />
   <item
     android:drawable="#E04040FF"

res/list_item_background_solid.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android" >
+  <item
+    android:drawable="#C0000000,1px"
+    android:state_enabled="false"
+    android:state_focused="true" />
+  <item
+    android:drawable="#80000000,1px,#E04040FF"
+    android:state_focused="true" />
+  <item
+    android:drawable="#A00000FF"
+    android:state_selected="true" />
+  <item
+    android:drawable="#E04040FF"
+    android:state_hovered="true" />
+  <item
+    android:drawable="@null" />
+</selector>

res/menu_item_background.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android" >
+  <item
+    android:drawable="btn_disabled"
+    android:state_enabled="false"
+    android:state_focused="true" />
+  <item
+    android:drawable="btn_pressed"
+    android:state_focused="true" />
+  <item
+    android:drawable="btn_normal"
+    android:state_selected="true" />
+  <item
+    android:drawable="#E04040FF"
+    android:state_hovered="true" />
+  <item
+    android:drawable="@null" />
+</selector>

res/theme_default.xml

@@ -159,12 +159,9 @@
         textFlags="Parent"
         />
     <style id="MENU_ITEM"
+        backgroundImageId="menu_item_background"
         padding="4,2,4,2"
         >
-        <state state_focused="true" backgroundColor="#40C0C000"/>
-        <state state_pressed="true" backgroundColor="#4080C000"/>
-        <state state_selected="true" backgroundColor="#00F8F9Fa"/>
-        <state state_hovered="true" backgroundColor="#C0FFFF00"/>
     </style>
     <style id="MENU_ICON"
         margins="2,2,2,2"
@@ -314,16 +311,18 @@
         fontFace="Arial"
         fontFamily="SansSerif"
         fontSize="16">
-        <state state_focused="true" backgroundColor="#40C0C000"/>
-        <state state_pressed="true" backgroundColor="#4080C000"/>
-        <state state_selected="true" backgroundColor="#00F8F9Fa"/>
-        <state state_hovered="true" backgroundColor="#C0FFFF00"/>
     </style>
     <style id="TREE_ITEM_EXPAND_ICON"
         margins="2,0,2,0"
         align="Left|VCenter"
         textFlags="Parent"
     />
+    <style id="TREE_ITEM_BODY"
+        margins="2,0,2,0"
+        align="Left|VCenter"
+        textFlags="Parent"
+        backgroundImageId="list_item_background"
+    />
     <style id="TREE_ITEM_ICON"
         margins="2,0,2,0"
         align="Left|VCenter"

src/dlangui/widgets/styles.d

@@ -102,8 +102,11 @@ immutable string STYLE_EDIT_LINE = "EDIT_LINE";
 immutable string STYLE_EDIT_BOX = "EDIT_BOX";
 /// standard style id for background similar to transparent button
 immutable string STYLE_TRANSPARENT_BUTTON_BACKGROUND = "TRANSPARENT_BUTTON_BACKGROUND";
+
 /// standard style id for tree item
 immutable string STYLE_TREE_ITEM = "TREE_ITEM";
+/// standard style id for tree item body (icon + label)
+immutable string STYLE_TREE_ITEM_BODY = "TREE_ITEM_BODY";
 /// standard style id for tree item label
 immutable string STYLE_TREE_ITEM_LABEL = "TREE_ITEM_LABEL";
 /// standard style id for tree item icon

src/dlangui/widgets/tree.d

@@ -470,6 +470,7 @@ class TreeItemWidget : HorizontalLayout {
     ImageWidget _expander;
     ImageWidget _icon;
     TextWidget _label;
+    HorizontalLayout _body;
     long lastClickTime;
 
     @property TreeItem item() { return _item; }
@@ -519,21 +520,24 @@ class TreeItemWidget : HorizontalLayout {
             lastClickTime = ts;
             return true;
         };
+        _body = new HorizontalLayout("item_body");
+        _body.styleId = STYLE_TREE_ITEM_BODY;
+        _body.setState(State.Parent);
         if (_item.iconRes.length > 0) {
             _icon = new ImageWidget("icon", _item.iconRes);
             _icon.styleId = STYLE_TREE_ITEM_ICON;
             _icon.setState(State.Parent);
+            _body.addChild(_icon);
         }
         _label = new TextWidget("label", _item.text);
         _label.styleId = STYLE_TREE_ITEM_LABEL;
         _label.setState(State.Parent);
+        _body.addChild(_label);
         // append children
         addChild(_tab);
         if (_expander)
             addChild(_expander);
-        if (_icon)
+        addChild(_body);
-            addChild(_icon);
-        addChild(_label);
     }
 
     override bool onKeyEvent(KeyEvent event) {