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Arabic letters on virtual keys are now always displayed isolated for better readability

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sspanak 2025-03-03 16:41:23 +02:00 • committed by Dimo Karaivanov
parent 2098b1a994
commit 909daa84e7
1 changed files with 19 additions and 9 deletions
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28
app/src/main/java/io/github/sspanak/tt9/ui/main/keys/SoftKeyNumber2to9.java
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@ -51,14 +51,18 @@ public class SoftKeyNumber2to9 extends SoftKeyNumber {
}
ArrayList<String> chars = language.getKeyCharacters(number);
boolean isArabic = LanguageKind.isArabic(language) || LanguageKind.isFarsi(language);
boolean isGreek = LanguageKind.isGreek(language);
boolean isLatinBased = LanguageKind.isLatinBased(language);
boolean isUppercase = tt9.getTextCase() == InputMode.CASE_UPPER;
final int maxChars = LanguageKind.isIndic(language) ? SettingsStore.SOFT_KEY_TITLE_MAX_CHARS_INDIC : SettingsStore.SOFT_KEY_TITLE_MAX_CHARS;
int maxChars = LanguageKind.isIndic(language) ? SettingsStore.SOFT_KEY_TITLE_MAX_CHARS_INDIC : SettingsStore.SOFT_KEY_TITLE_MAX_CHARS;
maxChars = isArabic ? maxChars * 2 : maxChars; // Arabic chars are split by ZWNJ, so we must take it into account
String displayChars = getDefaultCharList(chars, language.getLocale(), isGreek, isLatinBased, isUppercase);
if (displayChars.length() > maxChars) {
displayChars = abbreviateCharList(displayChars, language.getLocale(), isUppercase);
String displayChars = getDefaultCharList(chars, language.getLocale(), isArabic, isGreek, isLatinBased, isUppercase);
if (displayChars.length() > maxChars || (isArabic && (number == 2 || number == 4))) {
String abbreviationSign = isArabic ? "…" : "–"; // prevent vertical alignment issues on some devices
displayChars = abbreviateCharList(displayChars, abbreviationSign, language.getLocale(), isUppercase);
}
return displayChars.isEmpty() ? "--" : displayChars;
@ -67,11 +71,13 @@ public class SoftKeyNumber2to9 extends SoftKeyNumber {
/**
* Joins the key characters into a single string, skipping accented characters
* when neccessary
* when necessary
*/
private String getDefaultCharList(ArrayList<String> chars, Locale locale, boolean isGreek, boolean isLatinBased, boolean isUppercase) {
private String getDefaultCharList(ArrayList<String> chars, Locale locale, boolean isArabic, boolean isGreek, boolean isLatinBased, boolean isUppercase) {
StringBuilder sb = new StringBuilder();
for (String currentLetter : chars) {
for (int i = 0; i < chars.size(); i++) {
String currentLetter = chars.get(i);
if (shouldSkipAccents(currentLetter.charAt(0), isGreek, isLatinBased)) {
continue;
}
@ -79,6 +85,10 @@ public class SoftKeyNumber2to9 extends SoftKeyNumber {
sb.append(
isUppercase ? currentLetter.toUpperCase(locale) : currentLetter
);
if (isArabic && i < chars.size() - 1) {
sb.append(Characters.ZWNJ);
}
}
return sb.toString();
@ -91,14 +101,14 @@ public class SoftKeyNumber2to9 extends SoftKeyNumber {
* @see <a href="https://github.com/sspanak/tt9/issues/628">Issue #628</a>
* Additionally, for combining characters, we want to add a dummy base, to ensure they look properly.
*/
private String abbreviateCharList(String chars, Locale locale, boolean isUppercase) {
private String abbreviateCharList(String chars, String abbreviationSign, Locale locale, boolean isUppercase) {
String firstLetter = chars.substring(0, 1);
firstLetter = TextTools.isCombining(firstLetter) ? Characters.COMBINING_ZERO_BASE + firstLetter : firstLetter;
String lastLetter = chars.substring(chars.length() - 1);
lastLetter = TextTools.isCombining(lastLetter) ? Characters.COMBINING_ZERO_BASE + lastLetter : lastLetter;
String list = firstLetter + "–" + lastLetter;
String list = firstLetter + abbreviationSign + lastLetter;
return isUppercase ? list.toUpperCase(locale) : list;
}