Gesture input color can be customized (#269)

and don't show all colors by default, rather have a menu option for this

---------

Co-authored-by: Helium314 <helium314@mailbox.org>

app/src/main/java/org/dslul/openboard/inputmethod/keyboard/KeyboardTheme.java

@@ -150,6 +150,7 @@ public final class KeyboardTheme implements Comparable<KeyboardTheme> {
                         themeStyle,
                         hasBorders,
                         Settings.readUserColor(prefs, context, Settings.PREF_COLOR_ACCENT_SUFFIX, false),
+                        Settings.readUserColor(prefs, context, Settings.PREF_COLOR_GESTURE_SUFFIX, false),
                         Settings.readUserColor(prefs, context, Settings.PREF_COLOR_BACKGROUND_SUFFIX, false),
                         Settings.readUserColor(prefs, context, Settings.PREF_COLOR_KEYS_SUFFIX, false),
                         Settings.readUserColor(prefs, context, Settings.PREF_COLOR_FUNCTIONAL_KEYS_SUFFIX, false),
@@ -163,6 +164,7 @@ public final class KeyboardTheme implements Comparable<KeyboardTheme> {
                         themeStyle,
                         hasBorders,
                         Settings.readUserColor(prefs, context, Settings.PREF_COLOR_ACCENT_SUFFIX, true),
+                        Settings.readUserColor(prefs, context, Settings.PREF_COLOR_GESTURE_SUFFIX, false),
                         Settings.readUserColor(prefs, context, Settings.PREF_COLOR_BACKGROUND_SUFFIX, true),
                         Settings.readUserColor(prefs, context, Settings.PREF_COLOR_KEYS_SUFFIX, true),
                         Settings.readUserColor(prefs, context, Settings.PREF_COLOR_FUNCTIONAL_KEYS_SUFFIX, true),
@@ -176,6 +178,7 @@ public final class KeyboardTheme implements Comparable<KeyboardTheme> {
                         themeStyle,
                         hasBorders,
                         ContextCompat.getColor(context, R.color.gesture_trail_color_lxx_dark),
+                        ContextCompat.getColor(context, R.color.gesture_trail_color_lxx_dark),
                         // colors taken from the drawable
                         Color.parseColor("#263238"),
                         Color.parseColor("#364248"),
@@ -190,6 +193,7 @@ public final class KeyboardTheme implements Comparable<KeyboardTheme> {
                         themeStyle,
                         hasBorders,
                         Color.parseColor("#FFFFFF"),
+                        Color.parseColor("#FFFFFF"),
                         // colors taken from the drawable
                         Color.parseColor("#282828"),
                         Color.parseColor("#FFFFFF"), // transparency!
@@ -204,6 +208,7 @@ public final class KeyboardTheme implements Comparable<KeyboardTheme> {
                         themeStyle,
                         hasBorders,
                         ContextCompat.getColor(context, R.color.gesture_trail_color_lxx_dark),
+                        ContextCompat.getColor(context, R.color.gesture_trail_color_lxx_dark),
                         ContextCompat.getColor(context, R.color.keyboard_background_lxx_dark_border),
                         ContextCompat.getColor(context, R.color.key_background_normal_lxx_dark_border),
                         ContextCompat.getColor(context, R.color.key_background_functional_lxx_dark_border),
@@ -217,6 +222,7 @@ public final class KeyboardTheme implements Comparable<KeyboardTheme> {
                         themeStyle,
                         hasBorders,
                         ContextCompat.getColor(context, R.color.gesture_trail_color_lxx_dark),
+                        ContextCompat.getColor(context, R.color.gesture_trail_color_lxx_dark),
                         ContextCompat.getColor(context, R.color.background_amoled_black),
                         ContextCompat.getColor(context, R.color.background_amoled_dark),
                         ContextCompat.getColor(context, R.color.background_amoled_dark),
@@ -231,6 +237,7 @@ public final class KeyboardTheme implements Comparable<KeyboardTheme> {
                         themeStyle,
                         hasBorders,
                         ContextCompat.getColor(context, R.color.gesture_trail_color_lxx_light),
+                        ContextCompat.getColor(context, R.color.gesture_trail_color_lxx_light),
                         ContextCompat.getColor(context, R.color.keyboard_background_lxx_light_border),
                         ContextCompat.getColor(context, R.color.key_background_normal_lxx_light_border),
                         ContextCompat.getColor(context, R.color.key_background_functional_lxx_light_border),

app/src/main/java/org/dslul/openboard/inputmethod/keyboard/internal/GestureTrailDrawingParams.java

@@ -41,7 +41,7 @@ final class GestureTrailDrawingParams {
     public final int mTrailLingerDuration;
 
     public GestureTrailDrawingParams(final TypedArray mainKeyboardViewAttr) {
-        mTrailColor = Settings.getInstance().getCurrent().mColors.getAccent(); //mainKeyboardViewAttr.getColor(R.styleable.MainKeyboardView_gestureTrailColor, 0);
+        mTrailColor = Settings.getInstance().getCurrent().mColors.getGesture(); //mainKeyboardViewAttr.getColor(R.styleable.MainKeyboardView_gestureTrailColor, 0);
         mTrailStartWidth = mainKeyboardViewAttr.getDimension(
                 R.styleable.MainKeyboardView_gestureTrailStartWidth, 0.0f);
         mTrailEndWidth = mainKeyboardViewAttr.getDimension(

app/src/main/java/org/dslul/openboard/inputmethod/keyboard/internal/SlidingKeyInputDrawingPreview.java

@@ -38,7 +38,7 @@ public final class SlidingKeyInputDrawingPreview extends AbstractDrawingPreview
     private final Paint mPaint = new Paint();
 
     public SlidingKeyInputDrawingPreview(final TypedArray mainKeyboardViewAttr) {
-        final int previewColor = Settings.getInstance().getCurrent().mColors.getAccent(); //mainKeyboardViewAttr.getColor(R.styleable.MainKeyboardView_slidingKeyInputPreviewColor, 0);
+        final int previewColor = Settings.getInstance().getCurrent().mColors.getGesture(); //mainKeyboardViewAttr.getColor(R.styleable.MainKeyboardView_slidingKeyInputPreviewColor, 0);
         final float previewRadius = mainKeyboardViewAttr.getDimension(
                 R.styleable.MainKeyboardView_slidingKeyInputPreviewWidth, 0) / 2.0f;
         final int PERCENTAGE_INT = 100;

app/src/main/java/org/dslul/openboard/inputmethod/latin/common/Colors.kt

@@ -30,6 +30,7 @@ class Colors (
     val themeStyle: String,
     val hasKeyBorders: Boolean,
     val accent: Int,
+    val gesture: Int,
     val background: Int,
     val keyBackground: Int,
     val functionalKey: Int,

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

@@ -2,9 +2,11 @@
 
 package org.dslul.openboard.inputmethod.latin.settings
 
-import android.app.Activity
 import android.content.res.Configuration
 import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
 import android.view.View
 import android.view.WindowManager
 import android.widget.CompoundButton
@@ -12,7 +14,9 @@ import android.widget.ImageView
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.edit
+import androidx.core.view.MenuProvider
 import androidx.core.view.forEachIndexed
+import androidx.core.view.get
 import androidx.fragment.app.Fragment
 import com.rarepebble.colorpicker.ColorPickerView
 import org.dslul.openboard.inputmethod.keyboard.KeyboardSwitcher
@@ -24,11 +28,14 @@ import org.dslul.openboard.inputmethod.latin.utils.DeviceProtectedUtils
 import org.dslul.openboard.inputmethod.latin.utils.ExecutorUtils
 import org.dslul.openboard.inputmethod.latin.utils.ResourceUtils
 
-open class ColorsSettingsFragment : Fragment(R.layout.color_settings) {
+open class ColorsSettingsFragment : Fragment(R.layout.color_settings), MenuProvider {
 
     private val binding by viewBinding(ColorSettingsBinding::bind)
     open val isNight = false
     open val titleResId = R.string.select_user_colors
+    private var moreColors: Boolean
+        get() = prefs.getBoolean(Settings.PREF_SHOW_ALL_COLORS, false)
+        set(value) { prefs.edit().putBoolean(Settings.PREF_SHOW_ALL_COLORS, value).apply() }
     private val prefs by lazy { DeviceProtectedUtils.getSharedPreferences(requireContext()) }
     private val colorPrefs = listOf(
         Settings.PREF_COLOR_BACKGROUND_SUFFIX,
@@ -39,11 +46,18 @@ open class ColorsSettingsFragment : Fragment(R.layout.color_settings) {
         Settings.PREF_COLOR_HINT_TEXT_SUFFIX,
         Settings.PREF_COLOR_SPACEBAR_TEXT_SUFFIX,
         Settings.PREF_COLOR_ACCENT_SUFFIX,
+        Settings.PREF_COLOR_GESTURE_SUFFIX,
     )
+    private val colorPrefsToHideInitially by lazy {
+        listOf(Settings.PREF_COLOR_SPACEBAR_TEXT_SUFFIX, Settings.PREF_COLOR_GESTURE_SUFFIX) +
+            if (prefs.getBoolean(Settings.PREF_THEME_KEY_BORDERS, false))
+                listOf(Settings.PREF_COLOR_SPACEBAR_SUFFIX)
+            else listOf(Settings.PREF_COLOR_KEYS_SUFFIX, Settings.PREF_COLOR_FUNCTIONAL_KEYS_SUFFIX)
+    }
 
     override fun onResume() {
         super.onResume()
-        val activity: Activity? = activity
+        val activity = activity
         if (activity is AppCompatActivity) {
             val actionBar = activity.supportActionBar ?: return
             actionBar.setTitle(titleResId)
@@ -53,6 +67,7 @@ open class ColorsSettingsFragment : Fragment(R.layout.color_settings) {
             prefs.edit { putBoolean(Settings.PREF_FORCE_OPPOSITE_THEME, true) }
             reloadKeyboard(false)
         }
+        activity?.addMenuProvider(this)
     }
 
     override fun onPause() {
@@ -61,10 +76,35 @@ open class ColorsSettingsFragment : Fragment(R.layout.color_settings) {
         if (isNight != ResourceUtils.isNight(requireContext().resources))
             // reload again so the correct configuration is applied
             KeyboardSwitcher.getInstance().forceUpdateKeyboardTheme(requireContext())
+        activity?.removeMenuProvider(this)
     }
 
+    override fun onCreateMenu(menu: Menu, inflater: MenuInflater) {
+        if (menu.size() == 1) menu[0].setTitle(getMenuTitle())
+        else menu.add(Menu.NONE, 1, Menu.NONE, getMenuTitle())
+    }
+
+    override fun onMenuItemSelected(menuItem: MenuItem): Boolean {
+        // necessary, even though we only have a single menu item
+        // because the back arrow on top absurdly is implemented as a menu item
+        if (menuItem.itemId == 1) {
+            moreColors = !moreColors
+            menuItem.setTitle(getMenuTitle())
+            updateColorPrefs()
+            return true
+        }
+        return false
+    }
+
+    private fun getMenuTitle() = if (moreColors) R.string.main_colors else R.string.all_colors
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        updateColorPrefs()
+    }
+
+    private fun updateColorPrefs() {
+        binding.colorSettingsContainer.removeAllViews()
         val colorPrefNames = listOf(
             R.string.select_color_background,
             R.string.select_color_key_background,
@@ -74,11 +114,15 @@ open class ColorsSettingsFragment : Fragment(R.layout.color_settings) {
             R.string.select_color_key_hint,
             R.string.select_color_spacebar_text,
             R.string.select_color_accent,
+            R.string.select_color_gesture,
         ).map { requireContext().getString(it) }
         val prefPrefix = if (isNight) Settings.PREF_THEME_USER_COLOR_NIGHT_PREFIX else Settings.PREF_THEME_USER_COLOR_PREFIX
         colorPrefs.forEachIndexed { index, colorPref ->
+            val autoColor = prefs.getBoolean(prefPrefix + colorPref + Settings.PREF_AUTO_USER_COLOR_SUFFIX, true)
+            if (!moreColors && colorPref in colorPrefsToHideInitially && autoColor)
+                return@forEachIndexed
             val csb = ColorSettingBinding.inflate(layoutInflater, binding.colorSettingsContainer, true)
-            csb.colorSwitch.isChecked = !prefs.getBoolean(prefPrefix + colorPref + Settings.PREF_AUTO_USER_COLOR_SUFFIX, true)
+            csb.colorSwitch.isChecked = !autoColor
             csb.colorPreview.setColorFilter(Settings.readUserColor(prefs, requireContext(), colorPrefs[index], isNight))
             csb.colorText.text = colorPrefNames[index]
             if (!csb.colorSwitch.isChecked) {

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

@@ -67,6 +67,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     public static final String PREF_COLOR_SPACEBAR_SUFFIX = "spacebar";
     public static final String PREF_COLOR_SPACEBAR_TEXT_SUFFIX = "spacebar_text";
     public static final String PREF_COLOR_ACCENT_SUFFIX = "accent";
+    public static final String PREF_COLOR_GESTURE_SUFFIX = "gesture";
     public static final String PREF_COLOR_TEXT_SUFFIX = "text";
     public static final String PREF_COLOR_HINT_TEXT_SUFFIX = "hint_text";
     public static final String PREF_COLOR_BACKGROUND_SUFFIX = "background";
@@ -137,6 +138,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     public static final String PREF_PINNED_CLIPS = "pinned_clips";
     // used as a workaround against keyboard not showing edited theme in ColorsSettingsFragment
     public static final String PREF_FORCE_OPPOSITE_THEME = "force_opposite_theme";
+    public static final String PREF_SHOW_ALL_COLORS = "pref_show_all_colors";
 
     private static final float UNDEFINED_PREFERENCE_VALUE_FLOAT = -1.0f;
     private static final int UNDEFINED_PREFERENCE_VALUE_INT = -1;
@@ -149,7 +151,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
 
     private static final Settings sInstance = new Settings();
 
-    // preferences that are not used in SettingsValues
+    // preferences that are not used in SettingsValues and thus should not trigger reload when changed
     private static final HashSet<String> dontReloadOnChanged = new HashSet<>() {{
         add(PREF_FORCE_OPPOSITE_THEME);
         add(PREF_PINNED_CLIPS);
@@ -157,6 +159,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
         add(PREF_LAST_SHOWN_EMOJI_CATEGORY_ID);
         add(PREF_EMOJI_RECENT_KEYS);
         add(PREF_DONT_SHOW_MISSING_DICTIONARY_DIALOG);
+        add(PREF_SHOW_ALL_COLORS);
     }};
 
     public static Settings getInstance() {
@@ -525,6 +528,8 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
                         return value.data;
                 }
                 return ContextCompat.getColor(getDayNightContext(context, isNight), R.color.accent);
+            case PREF_COLOR_GESTURE_SUFFIX:
+                return readUserColor(prefs, context, PREF_COLOR_ACCENT_SUFFIX, isNight);
             case PREF_COLOR_TEXT_SUFFIX:
                 // base it on background color, and not key, because it's also used for suggestions
                 final int background = readUserColor(prefs, context, PREF_COLOR_BACKGROUND_SUFFIX, isNight);

app/src/main/res/values-fr/strings.xml

@@ -220,6 +220,8 @@ Nouveau dictionnaire:
     <string name="select_user_colors">Personnaliser le thème</string>
     <string name="select_user_colors_night">Personnaliser le thème (mode nuit)</string>
     <string name="auto_user_color">Choix automatique de la couleur</string>
+    <string name="main_colors">Afficher les couleurs principales</string>
+    <string name="all_colors">Afficher toutes les couleurs</string>
     <string name="hint_show_keyboard">Cliquez pour voir l\'aperçu</string>
     <string name="select_user_colors_summary">Sélection des couleurs du texte et de l\'arrière-plan</string>
     <string name="select_color_background">Arrière-plan du clavier</string>
@@ -230,6 +232,7 @@ Nouveau dictionnaire:
     <string name="select_color_spacebar_background">Arrière-plan de la barre d\'espace</string>
     <string name="select_color_spacebar_text">Texte de la barre d\'espace</string>
     <string name="select_color_accent">Couleur d\'accentuation</string>
+    <string name="select_color_gesture">Saisie gestuelle</string>
     <string name="settings_screen_about">À propos</string>
     <string name="about_github_link" >Lien vers GitHub</string>
     <string name="license" >Licence Open-source</string>

app/src/main/res/values/strings.xml

@@ -612,6 +612,10 @@ New dictionary:
     <string name="select_user_colors_night">Adjust colors (night)</string>
     <!-- Text when determining color automatically -->
     <string name="auto_user_color">Choose color automatically</string>
+    <!-- Menu item for showing fewer colors -->
+    <string name="main_colors">Show main colors only</string>
+    <!-- Menu item for showing all colors -->
+    <string name="all_colors">Show all colors</string>
     <!-- Hint for text field just to show keyboard (in color settings) -->
     <string name="hint_show_keyboard">Click for preview</string>
     <!-- Description for selection of user-defined colors. -->
@@ -632,6 +636,8 @@ New dictionary:
     <string name="select_color_spacebar_text">Space bar text</string>
     <!-- Selection: accent color. -->
     <string name="select_color_accent">Accent</string>
+    <!-- Selection: gesture color. -->
+    <string name="select_color_gesture">Gesture input</string>
     <!-- Settings screen title for about [CHAR LIMIT=33]-->
     <string name="settings_screen_about">About</string>
     <!-- version for about screen-->