changes: themes support, scale for direction text

res/layout/calc_clear_button.xml

@@ -11,5 +11,5 @@
 			 a:id="@+id/clearButton"
 			 a:text="@string/c_clear"
 			 a:textStyle="bold"
-			 style="@style/control_image_button_style"
+			 style="?controlImageButtonStyle"
 			 a:onClick="clearButtonClickHandler"/>

res/layout/calc_copy_button.xml

@@ -10,5 +10,5 @@
 			 xmlns:calc="http://schemas.android.com/apk/res/org.solovyev.android.calculator"
 			 a:id="@+id/pasteButton"
 			 a:drawableTop="@drawable/copy"
-			 style="@style/control_image_button_style"
+			 style="?controlImageButtonStyle"
 			 a:onClick="copyButtonClickHandler"/>

res/layout/calc_donate_button.xml

@@ -10,5 +10,5 @@
 			 xmlns:calc="http://schemas.android.com/apk/res/org.solovyev.android.calculator"
 			 a:id="@+id/pasteButton"
 			 a:drawableTop="@drawable/heart"
-			 style="@style/control_image_button_style"
+			 style="?controlImageButtonStyle"
 			 a:onClick="donateButtonClickHandler"/>

res/layout/calc_equals_button.xml

@@ -11,5 +11,5 @@
 		a:text="="
 		a:layout_width="match_parent"
 		a:layout_height="match_parent"
-		style="@style/control_button_style"
+		style="?controlButtonStyle"
 		a:onClick="numericButtonClickHandler"/>

res/layout/calc_erase_button.xml

@@ -10,5 +10,5 @@
 			 xmlns:calc="http://schemas.android.com/apk/res/org.solovyev.android.calculator"
 			 a:id="@+id/eraseButton"
 			 a:drawableTop="@drawable/sym_keyboard_delete"
-			 style="@style/control_image_button_style"
+			 style="?controlImageButtonStyle"
 			 a:onClick="eraseButtonClickHandler"/>

res/layout/calc_history_button.xml

@@ -11,7 +11,7 @@
 													   a:text="@string/c_history_button"
 													   calc:textUp="@string/c_undo"
 													   calc:textDown="@string/c_redo"
-													   style="@style/control_button_style"
+													   style="?controlButtonStyle"
 													   a:textSize="18dp"
 													   a:textStyle="bold"
 													   a:onClick="historyButtonClickHandler"/>

res/layout/calc_left_button.xml

@@ -9,7 +9,8 @@
 <org.solovyev.android.view.widgets.DirectionDragButton xmlns:a="http://schemas.android.com/apk/res/android"
 													   xmlns:calc="http://schemas.android.com/apk/res/org.solovyev.android.calculator"
 													   a:id="@+id/leftButton"
-													   calc:textUp="↞"
-													   a:text="←"
-													   style="@style/control_button_style"
+													   calc:textUp="◀◀"
+													   a:text="◀"
+													   calc:directionTextScale="0.5"
+													   style="?controlButtonStyle"
 													   a:onClick="moveLeftButtonClickHandler"/>

res/layout/calc_paste_button.xml

@@ -10,5 +10,5 @@
 			 xmlns:calc="http://schemas.android.com/apk/res/org.solovyev.android.calculator"
 			 a:id="@+id/pasteButton"
 			 a:drawableTop="@drawable/paste"
-			 style="@style/control_image_button_style"
+			 style="?controlImageButtonStyle"
 			 a:onClick="pasteButtonClickHandler"/>

res/layout/calc_right_button.xml

@@ -9,7 +9,8 @@
 <org.solovyev.android.view.widgets.DirectionDragButton xmlns:a="http://schemas.android.com/apk/res/android"
 													   xmlns:calc="http://schemas.android.com/apk/res/org.solovyev.android.calculator"
 													   a:id="@+id/rightButton"
-													   calc:textUp="↠"
-													   a:text="→"
-													   style="@style/control_button_style"
+													   calc:textUp="▶▶"
+													   a:text="▶"
+													   calc:directionTextScale="0.5"
+													   style="?controlButtonStyle"
 													   a:onClick="moveRightButtonClickHandler"/>

res/layout/calc_vars_button.xml

@@ -11,4 +11,4 @@
 													   a:text="π,…"
 													   a:textStyle="italic"
 													   a:onClick="varsButtonClickHandler"
-													   style="@style/control_button_style"/>
+													   style="?controlButtonStyle"/>