settings: Add option to toggle the pointer icon when using stylus(1/3)

Forward port from CM-11.0

Change-Id: I43ce881b91f2a7d58acaa3225818997c4e4e364f

3 files changed, 24 insertions, 1 deletions

diff --git a/res/values/cm_strings.xml b/res/values/cm_strings.xml
index 40e6d73..ab05bab 100644
--- a/res/values/cm_strings.xml
+++ b/res/values/cm_strings.xml
@@ -511,6 +511,10 @@
     <string name="high_touch_sensitivity_title">High touch sensitivity</string>
     <string name="high_touch_sensitivity_summary">Increase touchscreen sensitivity so it can be used while wearing gloves</string>
 
+    <!-- Stylus Icon -->
+    <string name="stylus_icon_enabled_title">Show icon when using stylus</string>
+    <string name="stylus_icon_enabled_summary">Show the pointer icon when hovering or drawing with the stylus</string>
+
     <!-- Stylus Gestures -->
     <string name="gestures_settings_title">Stylus gestures</string>
     <string name="category_spen_title">Stylus gestures</string>
diff --git a/res/xml/language_settings.xml b/res/xml/language_settings.xml
index c5936f2..94aa73b 100644
--- a/res/xml/language_settings.xml
+++ b/res/xml/language_settings.xml
@@ -92,6 +92,12 @@
                 android:key="stylus_gestures"
                 android:title="@string/gestures_settings_title" />
 
+        <SwitchPreference android:key="stylus_icon_enabled"
+                android:title="@string/stylus_icon_enabled_title"
+                android:summary="@string/stylus_icon_enabled_summary"
+                android:defaultValue="false"
+                android:persistent="false" />
+
         <SwitchPreference
                 android:key="high_touch_sensitivity"
                 android:title="@string/high_touch_sensitivity_title"
diff --git a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
index 6288fb2..bc50d4f 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
@@ -90,11 +90,14 @@ public class InputMethodAndLanguageSettings extends SettingsPreferenceFragment
     private static final String KEY_TRACKPAD_SETTINGS = "gesture_pad_settings";
     private static final String KEY_HIGH_TOUCH_SENSITIVITY = "high_touch_sensitivity";
     private static final String KEY_STYLUS_GESTURES = "stylus_gestures";
+    private static final String KEY_STYLUS_ICON_ENABLED = "stylus_icon_enabled";
+
     // false: on ICS or later
     private static final boolean SHOW_INPUT_METHOD_SWITCHER_SETTINGS = false;
 
     private int mDefaultInputMethodSelectorVisibility = 0;
     private ListPreference mShowInputMethodSelectorPref;
+    private SwitchPreference mStylusIconEnabled;
     private SwitchPreference mHighTouchSensitivity;
     private PreferenceCategory mKeyboardSettingsCategory;
     private PreferenceCategory mHardKeyboardCategory;
@@ -178,11 +181,13 @@ public class InputMethodAndLanguageSettings extends SettingsPreferenceFragment
                         findPreference(KEY_POINTER_SETTINGS_CATEGORY);
 
         mStylusGestures = (PreferenceScreen) findPreference(KEY_STYLUS_GESTURES);
+        mStylusIconEnabled = (SwitchPreference) findPreference(KEY_STYLUS_ICON_ENABLED);
         mHighTouchSensitivity = (SwitchPreference) findPreference(KEY_HIGH_TOUCH_SENSITIVITY);
 
         if (pointerSettingsCategory != null) {
             if (!getResources().getBoolean(com.android.internal.R.bool.config_stylusGestures)) {
                 pointerSettingsCategory.removePreference(mStylusGestures);
+                pointerSettingsCategory.removePreference(mStylusIconEnabled);
             }
 
             if (!isHighTouchSensitivitySupported()) {
@@ -304,6 +309,11 @@ public class InputMethodAndLanguageSettings extends SettingsPreferenceFragment
             }
         }
 
+        if (mStylusIconEnabled != null) {
+            mStylusIconEnabled.setChecked(Settings.System.getInt(getActivity().getContentResolver(),
+                    Settings.System.STYLUS_ICON_ENABLED, 0) == 1);
+        }
+
         if (!mShowsOnlyFullImeAndKeyboardList) {
             if (mLanguagePref != null) {
                 String localeName = getLocaleName(getActivity());
@@ -361,7 +371,10 @@ public class InputMethodAndLanguageSettings extends SettingsPreferenceFragment
         if (Utils.isMonkeyRunning()) {
             return false;
         }
-        if (preference instanceof PreferenceScreen) {
+        if (preference == mStylusIconEnabled) {
+            Settings.System.putInt(getActivity().getContentResolver(),
+                Settings.System.STYLUS_ICON_ENABLED, mStylusIconEnabled.isChecked() ? 1 : 0);
+        } else if (preference instanceof PreferenceScreen) {
             if (preference.getFragment() != null) {
                 // Fragment will be handled correctly by the super class.
             } else if (KEY_CURRENT_INPUT_METHOD.equals(preference.getKey())) {