Add preference for custom keyboard height

app/src/main/java/org/dslul/openboard/inputmethod/latin/settings/AppearanceSettingsFragment.java

@@ -16,12 +16,15 @@
 
 package org.dslul.openboard.inputmethod.latin.settings;
 
+import android.content.SharedPreferences;
 import android.os.Bundle;
 
 import org.dslul.openboard.inputmethod.latin.R;
 import org.dslul.openboard.inputmethod.latin.common.Constants;
 import org.dslul.openboard.inputmethod.latin.define.ProductionFlags;
 
+import java.util.Locale;
+
 /**
  * "Appearance" settings sub screen.
  */
@@ -34,6 +37,8 @@ public final class AppearanceSettingsFragment extends SubScreenFragment {
                 Constants.isPhone(Settings.readScreenMetrics(getResources()))) {
             removePreference(Settings.PREF_ENABLE_SPLIT_KEYBOARD);
         }
+        setupKeyboardHeight(
+                Settings.PREF_KEYBOARD_HEIGHT_SCALE, SettingsValues.DEFAULT_SIZE_SCALE);
     }
 
     @Override
@@ -43,4 +48,50 @@ public final class AppearanceSettingsFragment extends SubScreenFragment {
                 findPreference(Settings.PREF_CUSTOM_INPUT_STYLES));
         ThemeSettingsFragment.updateKeyboardThemeSummary(findPreference(Settings.SCREEN_THEME));
     }
+
+    private void setupKeyboardHeight(final String prefKey, final float defaultValue) {
+        final SharedPreferences prefs = getSharedPreferences();
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(prefKey);
+        if (pref == null) {
+            return;
+        }
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            private static final float PERCENTAGE_FLOAT = 100.0f;
+            private float getValueFromPercentage(final int percentage) {
+                return percentage / PERCENTAGE_FLOAT;
+            }
+
+            private int getPercentageFromValue(final float floatValue) {
+                return (int)(floatValue * PERCENTAGE_FLOAT);
+            }
+
+            @Override
+            public void writeValue(final int value, final String key) {
+                prefs.edit().putFloat(key, getValueFromPercentage(value)).apply();
+            }
+
+            @Override
+            public void writeDefaultValue(final String key) {
+                prefs.edit().remove(key).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return getPercentageFromValue(Settings.readKeyboardHeight(prefs, defaultValue));
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return getPercentageFromValue(defaultValue);
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                return String.format(Locale.ROOT, "%d%%", value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {}
+        });
+    }
 }

app/src/main/java/org/dslul/openboard/inputmethod/latin/settings/Settings.java

@@ -83,6 +83,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
             "pref_include_other_imes_in_language_switch_list";
     public static final String PREF_CUSTOM_INPUT_STYLES = "custom_input_styles";
     public static final String PREF_ENABLE_SPLIT_KEYBOARD = "pref_split_keyboard";
+    public static final String PREF_KEYBOARD_HEIGHT_SCALE = "pref_keyboard_height_scale";
     // TODO: consolidate key preview dismiss delay with the key preview animation parameters.
     public static final String PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY =
             "pref_key_preview_popup_dismiss_delay";
@@ -350,7 +351,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     public static float readKeyboardHeight(final SharedPreferences prefs,
             final float defaultValue) {
         final float percentage = prefs.getFloat(
-                DebugSettings.PREF_KEYBOARD_HEIGHT_SCALE, UNDEFINED_PREFERENCE_VALUE_FLOAT);
+                Settings.PREF_KEYBOARD_HEIGHT_SCALE, UNDEFINED_PREFERENCE_VALUE_FLOAT);
         return (percentage != UNDEFINED_PREFERENCE_VALUE_FLOAT) ? percentage : defaultValue;
     }
 

app/src/main/res/values/config-common.xml

@@ -103,7 +103,7 @@
 
     <!-- Common key top visual configuration. -->
     <dimen name="config_key_popup_hint_letter_padding">2dp</dimen>
-
+z
     <!-- Common suggestion strip configuration. -->
     <integer name="config_suggestions_count_in_strip">3</integer>
     <fraction name="config_center_suggestion_percentile">36%</fraction>

app/src/main/res/xml/prefs_screen_appearance.xml

@@ -16,6 +16,7 @@
 
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:latin="http://schemas.android.com/apk/res/org.dslul.openboard.inputmethod.latin"
     android:key="screen_appearance"
     android:title="@string/settings_screen_appearance">
     <PreferenceScreen
@@ -31,4 +32,15 @@
         android:title="@string/enable_split_keyboard"
         android:persistent="true"
         android:defaultValue="false" />
+    <CheckBoxPreference
+        android:key="pref_resize_keyboard"
+        android:title="@string/prefs_resize_keyboard"
+        android:defaultValue="false"
+        android:persistent="true" />
+    <org.dslul.openboard.inputmethod.latin.settings.SeekBarDialogPreference
+        android:dependency="pref_resize_keyboard"
+        android:key="pref_keyboard_height_scale"
+        android:title="@string/prefs_keyboard_height_scale"
+        latin:minValue="50"
+        latin:maxValue="120" /> <!-- percentage -->
 </PreferenceScreen>