TTS: Prepare for windows TTS

Add windows configuration in configure
Add basic skeleton to backends
Check if ttsMan is initialized in GUI

backends/module.mk

@@ -348,6 +348,10 @@ ifdef USE_LINUX_TTS
 MODULE_OBJS += \
 	text-to-speech/linux/linux-text-to-speech.o
 endif
+ifdef USE_WINDOWS_TTS
+MODULE_OBJS += \
+	text-to-speech/windows/windows-text-to-speech.o
+endif
 
 # Include common rules
 include $(srcdir)/rules.mk

backends/platform/sdl/win32/win32.cpp

@@ -54,6 +54,10 @@
 #include "common/ustr.h"
 #include "common/encoding.h"
 
+#ifdef USE_WINDOWS_TTS
+#include "backends/text-to-speech/windows/windows-text-to-speech.h"
+#endif
+
 #define DEFAULT_CONFIG_FILE "scummvm.ini"
 
 void OSystem_Win32::init() {
@@ -115,6 +119,9 @@ void OSystem_Win32::initBackend() {
 	// Initialize updates manager
 	_updateManager = new Win32UpdateManager();
 #endif
+#ifdef USE_WINDOWS_TTS
+	_textToSpeechManager = new WindowsTextToSpeechManager();
+#endif
 
 	// Invoke parent implementation of this method
 	OSystem_SDL::initBackend();

backends/text-to-speech/windows/windows-text-to-speech.cpp

@@ -0,0 +1,109 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+// Disable symbol overrides so that we can use system headers.
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#if defined(USE_WINDOWS_TTS)
+#include <basetyps.h>
+#include <windows.h>
+#include <Servprov.h>
+#include <sapi.h>
+#include "backends/text-to-speech/windows/sphelper-scummvm.h"
+
+#include "backends/text-to-speech/windows/windows-text-to-speech.h"
+
+
+#include "common/translation.h"
+#include "common/debug.h"
+#include "common/system.h"
+#include "common/ustr.h"
+#include "common/config-manager.h"
+
+WindowsTextToSpeechManager::WindowsTextToSpeechManager() {
+	debug("hi");
+	init();
+}
+
+void WindowsTextToSpeechManager::init() {
+}
+
+WindowsTextToSpeechManager::~WindowsTextToSpeechManager() {
+}
+
+bool WindowsTextToSpeechManager::say(Common::String str) {
+	return true;
+}
+
+bool WindowsTextToSpeechManager::stop() {
+	return true;
+}
+
+bool WindowsTextToSpeechManager::pause() {
+	return true;
+}
+
+bool WindowsTextToSpeechManager::resume() {
+	return true;
+}
+
+bool WindowsTextToSpeechManager::isSpeaking() {
+	return true;
+}
+
+bool WindowsTextToSpeechManager::isPaused() {
+	return true;
+}
+
+bool WindowsTextToSpeechManager::isReady() {
+	return true;
+}
+
+void WindowsTextToSpeechManager::setVoice(unsigned index) {
+}
+
+void WindowsTextToSpeechManager::setRate(int rate) {
+}
+
+void WindowsTextToSpeechManager::setPitch(int pitch) {
+}
+
+void WindowsTextToSpeechManager::setVolume(unsigned volume) {
+}
+
+int WindowsTextToSpeechManager::getVolume() {
+	return 0;
+}
+
+void WindowsTextToSpeechManager::setLanguage(Common::String language) {
+}
+
+void WindowsTextToSpeechManager::createVoice(int typeNumber, Common::TTSVoice::Gender gender, char *description) {
+}
+
+void WindowsTextToSpeechManager::updateVoices() {
+
+}
+
+#endif

backends/text-to-speech/windows/windows-text-to-speech.h

@@ -0,0 +1,67 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef BACKENDS_TEXT_TO_SPEECH_WINDOWS_H
+#define BACKENDS_TEXT_TO_SPEECH_WINDOWS_H
+
+#include "common/scummsys.h"
+
+#if defined(USE_WINDOWS_TTS)
+
+#include "common/text-to-speech.h"
+#include "common/str.h"
+
+class WindowsTextToSpeechManager : public Common::TextToSpeechManager {
+public:
+	WindowsTextToSpeechManager();
+	virtual ~WindowsTextToSpeechManager();
+
+	virtual bool say(Common::String str);
+
+	virtual bool stop();
+	virtual bool pause();
+	virtual bool resume();
+
+	virtual bool isSpeaking();
+	virtual bool isPaused();
+	virtual bool isReady();
+	
+	virtual void setVoice(unsigned index);
+
+	virtual void setRate(int rate);
+
+	virtual void setPitch(int pitch);
+
+	virtual void setVolume(unsigned volume);
+	virtual int getVolume();
+
+	virtual void setLanguage(Common::String language);
+
+private:
+	void init();
+	virtual void updateVoices();
+	void createVoice(int typeNumber, Common::TTSVoice::Gender, char *description);
+};
+
+#endif
+
+#endif // BACKENDS_UPDATES_WINDOWS_H

configure

@@ -168,6 +168,7 @@ _dialogs=auto
 _iconv=auto
 _tts=auto
 _linux_tts=no
+_windows_tts=no
 # Default option behavior yes/no
 _debug_build=auto
 _release_build=auto
@@ -5375,6 +5376,13 @@ else
 		define_in_config_if_yes $_linux_tts 'USE_LINUX_TTS'
 		append_var LIBS '-lspeechd'
 		;;
+	mingw*)
+		echo "win32"
+		_tts=yes
+		_windows_tts=yes
+		define_in_config_if_yes $_windows_tts 'USE_WINDOWS_TTS'
+		append_var LIBS '-lsapi -lole32'
+		;;
 	*)
 		echo "no"
 		_tts=no

gui/gui-manager.cpp

@@ -626,6 +626,8 @@ void GuiManager::setLastMousePos(int16 x, int16 y) {
 #ifdef USE_TTS
 void GuiManager::initTextToSpeech() {
 	Common::TextToSpeechManager *ttsMan = g_system->getTextToSpeechManager();
+	if (ttsMan == nullptr)
+		return;
 #ifdef USE_TRANSLATION
 	Common::String currentLanguage = TransMan.getCurrentLanguage();
 	if (currentLanguage != "C") {

gui/options.cpp

@@ -1800,7 +1800,10 @@ void GlobalOptionsDialog::build() {
 		_ttsCheckbox->setState(false);
 
 	_ttsVoiceSelectionPopUp = new PopUpWidget(tab, "GlobalOptions_Accessibility.TTSVoiceSelection");
-	Common::Array<Common::TTSVoice> voices = g_system->getTextToSpeechManager()->getVoicesArray();
+	Common::TextToSpeechManager *ttsMan = g_system->getTextToSpeechManager();
+	Common::Array<Common::TTSVoice> voices;
+	if (ttsMan != nullptr)
+		voices = ttsMan->getVoicesArray();
 
 	for(unsigned i = 0; i < voices.size(); i++) {
 		_ttsVoiceSelectionPopUp->appendEntry(voices[i].getDescription(), i);

gui/widget.cpp

@@ -260,7 +260,10 @@ void Widget::read(Common::String str) {
 #ifdef USE_TTS
 	if (ConfMan.hasKey("tts_enabled", "scummvm") &&
 			ConfMan.getBool("tts_enabled", "scummvm")) {
-		g_system->getTextToSpeechManager()->say(str);
+		Common::TextToSpeechManager *ttsMan = g_system->getTextToSpeechManager();
+		if (ttsMan == nullptr)
+			return;
+		ttsMan->say(str);
 	}
 #endif
 }

gui/widgets/popup.cpp

@@ -227,11 +227,8 @@ void PopUpDialog::read(Common::String str) {
 #ifdef USE_TTS
 	if (ConfMan.hasKey("tts_enabled", "scummvm") &&
 			ConfMan.getBool("tts_enabled", "scummvm")) {
-		int volume = (ConfMan.getInt("speech_volume", "scummvm") * 100) / 256;
-		if (ConfMan.hasKey("mute", "scummvm") && ConfMan.getBool("mute", "scummvm"))
-			volume = 0;
-		g_system->getTextToSpeechManager()->setVolume(volume);
-		g_system->getTextToSpeechManager()->say(str);
+		Common::TextToSpeechManager *ttsMan = g_system->getTextToSpeechManager();
+		ttsMan->say(str);
 	}
 #endif
 }