TTS: Add text to speech to the GUI.

2 files changed, 9 insertions, 4 deletions

diff --git a/backends/text-to-speech/linux/linux-text-to-speech.cpp b/backends/text-to-speech/linux/linux-text-to-speech.cpp
index 7ddd4ac2b4..47c441a361 100644
--- a/backends/text-to-speech/linux/linux-text-to-speech.cpp
+++ b/backends/text-to-speech/linux/linux-text-to-speech.cpp
@@ -160,14 +160,18 @@ void LinuxTextToSpeechManager::setPitch(int pitch) {
 	_ttsState->_pitch = pitch;
 }
 
-void LinuxTextToSpeechManager::setVolume(int volume) {
+void LinuxTextToSpeechManager::setVolume(unsigned volume) {
 	if (_speechState == BROKEN)
 		return;
-	assert(volume >= -100 && volume <= 100);
-	spd_set_volume(_connection, volume);
+	assert(volume <= 100);
+	spd_set_volume(_connection, (volume - 50) * 2);
 	_ttsState->_volume = volume;
 }
 
+int LinuxTextToSpeechManager::getVolume() {
+	return (_ttsState->_volume - 50) * 2;
+}
+
 void LinuxTextToSpeechManager::setLanguage(Common::String language) {
 	if (_speechState == BROKEN)
 		return;
diff --git a/backends/text-to-speech/linux/linux-text-to-speech.h b/backends/text-to-speech/linux/linux-text-to-speech.h
index 85f53eb2f8..faa6a9d468 100644
--- a/backends/text-to-speech/linux/linux-text-to-speech.h
+++ b/backends/text-to-speech/linux/linux-text-to-speech.h
@@ -58,7 +58,8 @@ public:
 
 	virtual void setPitch(int pitch);
 
-	virtual void setVolume(int volume);
+	virtual void setVolume(unsigned volume);
+	virtual int getVolume();
 
 	virtual void setLanguage(Common::String language);