DroidFish: Added configurable button action to toggle arrow visibility.

DroidFish/res/values/strings.xml

@@ -131,6 +131,7 @@ you are not actively using the program.\
     <string name="toggle_analysis">Toggle Engine Analysis</string>
     <string name="toggle_large_buttons">Toggle Large Buttons</string>
     <string name="toggle_blind_mode">Toggle Blindfold Mode</string>
+    <string name="toggle_arrows">Toggle Arrows</string>
     <string name="cancel">Cancel</string>
     <string name="reset">Reset</string>
     <string name="yes">Yes</string>
@@ -650,6 +651,7 @@ you are not actively using the program.\
         <item>@string/toggle_pgn_headers</item>
         <item>@string/toggle_large_buttons</item>
         <item>@string/toggle_blind_mode</item>
+        <item>@string/toggle_arrows</item>
         <item>@string/load_last_file</item>
         <item>@string/select_engine</item>
         <item>@string/engine_options</item>
@@ -665,6 +667,7 @@ you are not actively using the program.\
         <item>viewHeaders</item>
         <item>largeButtons</item>
         <item>blindMode</item>
+        <item>toggleArrows</item>
         <item>loadLastFile</item>
         <item>selectEngine</item>
         <item>engineOptions</item>

DroidFish/res/xml/preferences.xml

@@ -344,7 +344,7 @@
                     android:title="@string/prefs_button_action_3_title" 
                     android:entryValues="@array/button_action_values" 
                     android:entries="@array/button_action_texts" 
-                    android:defaultValue="">
+                    android:defaultValue="toggleArrows">
                 </ListPreference>
                 <ListPreference
                     android:key="button_action_custom1_4" 

DroidFish/src/org/petero/droidfish/DroidFish.java

@@ -405,6 +405,28 @@ public class DroidFish extends Activity
                     setEngineOptions();
                 }
             });
+            addAction(new UIAction() {
+                public String getId() { return "toggleArrows"; }
+                public int getName() { return R.string.toggle_arrows; }
+                public int getIcon() { return R.raw.custom; }
+                public boolean enabled() { return true; }
+                public void run() {
+                    String numArrows = settings.getString("thinkingArrows", "4");
+                    Editor editor = settings.edit();
+                    if (!numArrows.equals("0")) {
+                        editor.putString("thinkingArrows", "0");
+                        editor.putString("oldThinkingArrows", numArrows);
+                    } else {
+                        String oldNumArrows = settings.getString("oldThinkingArrows", "0");
+                        if (oldNumArrows.equals("0"))
+                            oldNumArrows = "4";
+                        editor.putString("thinkingArrows", oldNumArrows);
+                    }
+                    editor.commit();
+                    maxNumArrows = getIntSetting("thinkingArrows", 4);
+                    updateThinkingInfo();
+                }
+            });
         }
 
         @Override
@@ -1138,7 +1160,7 @@ public class DroidFish extends Activity
         numPV = settings.getInt("numPV", 1);
         ctrl.setMultiPVMode(numPV);
         mWhiteBasedScores = settings.getBoolean("whiteBasedScores", false);
-        maxNumArrows = getIntSetting("thinkingArrows", 2);
+        maxNumArrows = getIntSetting("thinkingArrows", 4);
         mShowBookHints = settings.getBoolean("bookHints", false);
 
         String engine = settings.getString("engine", "stockfish");