added the ability to type special characters in 123 mode

docs/user-manual.md

@@ -73,7 +73,7 @@ _**NB2:** In messaging applications, you need to enable their "Send with ENTER"
 #### 0-key:
 - **In 123 mode:**
   - **Press:** type "0".
-  - **Hold:** type "+".
+  - **Hold:** type special/math characters.
 - **In ABC mode:**
   - **Press:** type space, newline or special/math characters.
   - **Hold:** type "0".
@@ -83,7 +83,7 @@ _**NB2:** In messaging applications, you need to enable their "Send with ENTER"
   - **Hold:** type "0".
 
 #### 1- to 9-key:
-- **In 123 mode:** type the respective number.
+- **In 123 mode:** type the respective number or hold to type punctuation.
 - **In ABC and Predictive mode:** type a letter/punctuation character or hold to type the respective number.
 
 #### Add Word Key (Default: Press ✱):

src/io/github/sspanak/tt9/ime/modes/Mode123.java

@@ -2,21 +2,50 @@ package io.github.sspanak.tt9.ime.modes;
 
 import androidx.annotation.NonNull;
 
+import java.util.ArrayList;
+import java.util.Collections;
+
+import io.github.sspanak.tt9.languages.Characters;
+
 public class Mode123 extends ModePassthrough {
 	@Override public int getId() { return MODE_123; }
 	@Override @NonNull public String toString() { return "123"; }
 
 	@Override public final boolean is123() { return true; }
 	@Override public boolean isPassthrough() { return false; }
+	@Override public int getSequenceLength() { return 1; }
+	@Override public boolean shouldAcceptPreviousSuggestion(int nextKey) { return true; }
 
-	@Override public void reset() {
-		super.reset();
-		autoAcceptTimeout = 0;
+	private final ArrayList<ArrayList<String>> KEY_CHARACTERS = new ArrayList<>();
+
+	public Mode123() {
+		// 0-key
+		KEY_CHARACTERS.add(new ArrayList<>(Collections.singletonList("+")));
+		for (String character : Characters.Special) {
+			if (!character.equals("+") && !character.equals("\n")) {
+				KEY_CHARACTERS.get(0).add(character);
+			}
+		}
+
+		// 1-key
+		KEY_CHARACTERS.add(new ArrayList<>(Collections.singletonList(".")));
+		for (String character : Characters.PunctuationEnglish) {
+			if (!character.equals(".")) {
+				KEY_CHARACTERS.get(1).add(character);
+			}
+		}
 	}
 
 	@Override public boolean onNumber(int number, boolean hold, int repeat) {
 		reset();
-		suggestions.add((number == 0 && hold) ? "+" : String.valueOf(number));
+
+		if (hold && number < KEY_CHARACTERS.size()) {
+			suggestions.addAll(KEY_CHARACTERS.get(number));
+		} else {
+			autoAcceptTimeout = 0;
+			suggestions.add(String.valueOf(number));
+		}
+
 		return true;
 	}
 

src/io/github/sspanak/tt9/ui/main/keys/SoftNumberKey.java

@@ -73,16 +73,16 @@ public class SoftNumberKey extends SoftKey {
 			}
 		}
 
-		// no special labels in 123 mode
-		if (tt9.getInputMode() == InputMode.MODE_123) {
-			return null;
-		}
-
 		// 1
 		if (number == 1) {
 			return ",:-)";
 		}
 
+		// no other special labels in 123 mode
+		if (tt9.getInputMode() == InputMode.MODE_123) {
+			return null;
+		}
+
 		// 2-9
 		Language language = LanguageCollection.getLanguage(tt9.getApplicationContext(), tt9.getSettings().getInputLanguage());
 		if (language == null) {

src/io/github/sspanak/tt9/ui/main/keys/SoftPunctuationKey.java

@@ -19,20 +19,6 @@ public class SoftPunctuationKey extends SoftKey {
 		super(context, attrs, defStyleAttr);
 	}
 
-	@Override
-	protected boolean handleHold() {
-		if (tt9 == null || tt9.getInputMode() != InputMode.MODE_123) {
-			return super.handleHold();
-		}
-
-		preventRepeat();
-		int keyId = getId();
-		if (keyId == R.id.soft_key_punctuation_1) return tt9.onText(",");
-		if (keyId == R.id.soft_key_punctuation_2) return tt9.onText(".");
-
-		return false;
-	}
-
 	@Override
 	protected boolean handleRelease() {
 		if (!validateTT9Handler()) {
@@ -68,15 +54,4 @@ public class SoftPunctuationKey extends SoftKey {
 
 		return "PUNC";
 	}
-
-	@Override
-	protected String getSubTitle() {
-		int keyId = getId();
-		if (tt9 != null && tt9.getInputMode() == InputMode.MODE_123) {
-			if (keyId == R.id.soft_key_punctuation_1) return ",";
-			if (keyId == R.id.soft_key_punctuation_2) return ".";
-		}
-
-		return null;
-	}
 }