reduce amount of unwanted automatic space insertions

app/src/main/java/org/dslul/openboard/inputmethod/latin/RichInputConnection.java

@@ -896,6 +896,14 @@ public final class RichInputConnection implements PrivateCommandPerformer {
         return StringUtils.lastPartLooksLikeURL(mCommittedTextBeforeComposingText);
     }
 
+    public boolean spaceBeforeCursor() {
+        return mCommittedTextBeforeComposingText.indexOf(" ") != -1;
+    }
+
+    public boolean wordBeforeCursorMayBeEmail() {
+        return mCommittedTextBeforeComposingText.lastIndexOf(" ") < mCommittedTextBeforeComposingText.lastIndexOf("@");
+    }
+
     /**
      * Looks at the text just before the cursor to find out if we are inside a double quote.
      *

app/src/main/java/org/dslul/openboard/inputmethod/latin/inputlogic/InputLogic.java

@@ -18,6 +18,7 @@ package org.dslul.openboard.inputmethod.latin.inputlogic;
 
 import android.graphics.Color;
 import android.os.SystemClock;
+import android.text.InputType;
 import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.TextUtils;
@@ -2045,11 +2046,26 @@ public final class InputLogic {
     private void insertAutomaticSpaceIfOptionsAndTextAllow(final SettingsValues settingsValues) {
         if (settingsValues.shouldInsertSpacesAutomatically()
                 && settingsValues.mSpacingAndPunctuations.mCurrentLanguageHasSpaces
-                && !mConnection.textBeforeCursorLooksLikeURL()) {
+                && !textBeforeCursorMayBeURL()
+                && !(mConnection.getCodePointBeforeCursor() == Constants.CODE_PERIOD && mConnection.wordBeforeCursorMayBeEmail())) {
             sendKeyCodePoint(settingsValues, Constants.CODE_SPACE);
         }
     }
 
+    private boolean textBeforeCursorMayBeURL() {
+        if (mConnection.textBeforeCursorLooksLikeURL()) return true;
+        // doesn't look like URL, but we may be in URL field and user may want to enter example.com
+        if (mConnection.getCodePointBeforeCursor() != Constants.CODE_PERIOD && mConnection.getCodePointBeforeCursor() != ':')
+            return false;
+        final EditorInfo ei = getCurrentInputEditorInfo();
+        if (ei == null) return false;
+        int inputType = ei.inputType;
+        if ((inputType & InputType.TYPE_TEXT_VARIATION_URI) != 0)
+            return !mConnection.spaceBeforeCursor();
+        else
+            return false;
+    }
+
     /**
      * Do the final processing after a batch input has ended. This commits the word to the editor.
      * @param settingsValues the current values of the settings.

app/src/main/java/org/dslul/openboard/inputmethod/latin/utils/InputTypeUtils.java

@@ -31,6 +31,7 @@ public final class InputTypeUtils implements InputType {
     private static final int TEXT_VISIBLE_PASSWORD_INPUT_TYPE =
             TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
     private static final int[] SUPPRESSING_AUTO_SPACES_FIELD_VARIATION = {
+        InputType.TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS,
         InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS,
         InputType.TYPE_TEXT_VARIATION_PASSWORD,
         InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD,