109 lines
3.2 KiB
Plaintext
109 lines
3.2 KiB
Plaintext
// Speech history helpers.
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// Provides a reusable speak_with_history wrapper and key navigation.
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string[] speechHistory;
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int speechHistoryMaxEntries = 10;
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int speechHistoryCurrentIndex = -1;
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bool speechHistoryDeduplicate = true;
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void speech_history_set_max_entries(int maxEntries) {
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if (maxEntries < 1) {
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maxEntries = 1;
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}
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speechHistoryMaxEntries = maxEntries;
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while (speechHistory.length() > uint(speechHistoryMaxEntries)) {
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speechHistory.remove_at(0);
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}
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if (speechHistory.length() == 0) {
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speechHistoryCurrentIndex = -1;
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} else if (speechHistoryCurrentIndex >= int(speechHistory.length())) {
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speechHistoryCurrentIndex = speechHistory.length() - 1;
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}
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}
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void speech_history_clear() {
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speechHistory.resize(0);
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speechHistoryCurrentIndex = -1;
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}
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void speech_history_set_deduplicate(bool deduplicate) {
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speechHistoryDeduplicate = deduplicate;
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}
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void speech_history_add(const string& in message) {
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if (message == "") {
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return;
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}
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if (speechHistoryDeduplicate) {
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for (uint messageIndex = 0; messageIndex < speechHistory.length(); messageIndex++) {
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if (speechHistory[messageIndex] == message) {
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speechHistoryCurrentIndex = messageIndex;
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return;
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}
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}
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}
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speechHistory.insert_last(message);
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while (speechHistory.length() > uint(speechHistoryMaxEntries)) {
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speechHistory.remove_at(0);
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}
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speechHistoryCurrentIndex = speechHistory.length() - 1;
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}
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void speak_with_history(const string& in message, bool interrupt) {
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speech_history_add(message);
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screen_reader_speak(message, interrupt);
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}
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void check_speech_history_keys() {
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// Comma: older.
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if (key_pressed(KEY_COMMA)) {
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if (speechHistory.length() == 0) {
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screen_reader_speak("No speech history.", true);
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return;
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}
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speechHistoryCurrentIndex--;
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if (speechHistoryCurrentIndex < 0) {
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speechHistoryCurrentIndex = 0;
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screen_reader_speak("Oldest message. " + speechHistory[speechHistoryCurrentIndex], true);
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return;
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}
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int position = speechHistoryCurrentIndex + 1;
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screen_reader_speak(speechHistory[speechHistoryCurrentIndex] + " " + position + " of " + speechHistory.length(),
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true);
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return;
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}
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// Period: newer.
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if (key_pressed(KEY_PERIOD)) {
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if (speechHistory.length() == 0) {
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screen_reader_speak("No speech history.", true);
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return;
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}
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speechHistoryCurrentIndex++;
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if (speechHistoryCurrentIndex >= int(speechHistory.length())) {
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speechHistoryCurrentIndex = speechHistory.length() - 1;
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screen_reader_speak("Newest message. " + speechHistory[speechHistoryCurrentIndex], true);
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return;
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}
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int position = speechHistoryCurrentIndex + 1;
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screen_reader_speak(speechHistory[speechHistoryCurrentIndex] + " " + position + " of " + speechHistory.length(),
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true);
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}
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}
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string speech_history_latest() {
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if (speechHistory.length() == 0) {
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return "";
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}
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return speechHistory[speechHistory.length() - 1];
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}
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