TTS: Add text to speech to the GUI.

6 files changed, 85 insertions, 3 deletions

diff --git a/gui/widgets/list.cpp b/gui/widgets/list.cpp
index 74239f889d..26edd0a4ba 100644
--- a/gui/widgets/list.cpp
+++ b/gui/widgets/list.cpp
@@ -44,7 +44,7 @@ ListWidget::ListWidget(Dialog *boss, const String &name, const char *tooltip, ui
 	_scrollBar = new ScrollBarWidget(this, _w - _scrollBarWidth, 0, _scrollBarWidth, _h);
 	_scrollBar->setTarget(this);
 
-	setFlags(WIDGET_ENABLED | WIDGET_CLEARBG | WIDGET_RETAIN_FOCUS | WIDGET_WANT_TICKLE);
+	setFlags(WIDGET_ENABLED | WIDGET_CLEARBG | WIDGET_RETAIN_FOCUS | WIDGET_WANT_TICKLE | WIDGET_TRACK_MOUSE);
 	_type = kListWidget;
 	_editMode = false;
 	_numberingMode = kListNumberingOne;
@@ -93,6 +93,8 @@ ListWidget::ListWidget(Dialog *boss, int x, int y, int w, int h, const char *too
 
 	_quickSelect = true;
 	_editColor = ThemeEngine::kFontColorNormal;
+
+	_lastRead = -1;
 }
 
 bool ListWidget::containsWidget(Widget *w) const {
@@ -262,6 +264,27 @@ void ListWidget::handleMouseWheel(int x, int y, int direction) {
 	_scrollBar->handleMouseWheel(x, y, direction);
 }
 
+void ListWidget::handleMouseMoved(int x, int y, int button) {
+	if (!isEnabled())
+		return;
+
+	// First check whether the selection changed
+	int item = findItem(x, y);
+
+	if (item != -1) {
+		if(_lastRead != item) {
+			read(_dataList[item]);
+			_lastRead = item;
+		}
+	}
+	else
+		_lastRead = -1;
+}
+
+void ListWidget::handleMouseLeft(int button) {
+	_lastRead = -1;
+}
+
 
 int ListWidget::findItem(int x, int y) const {
 	if (y < _topPadding) return -1;
diff --git a/gui/widgets/list.h b/gui/widgets/list.h
index 57e677e91e..eeaad3072c 100644
--- a/gui/widgets/list.h
+++ b/gui/widgets/list.h
@@ -84,6 +84,8 @@ protected:
 
 	ThemeEngine::FontColor _editColor;
 
+	int				_lastRead;
+
 public:
 	ListWidget(Dialog *boss, const String &name, const char *tooltip = 0, uint32 cmd = 0);
 	ListWidget(Dialog *boss, int x, int y, int w, int h, const char *tooltip = 0, uint32 cmd = 0);
@@ -125,6 +127,8 @@ public:
 	virtual void handleMouseDown(int x, int y, int button, int clickCount);
 	virtual void handleMouseUp(int x, int y, int button, int clickCount);
 	virtual void handleMouseWheel(int x, int y, int direction);
+	virtual void handleMouseMoved(int x, int y, int button);
+	virtual void handleMouseLeft(int button);
 	virtual bool handleKeyDown(Common::KeyState state);
 	virtual bool handleKeyUp(Common::KeyState state);
 	virtual void handleCommand(CommandSender *sender, uint32 cmd, uint32 data);
diff --git a/gui/widgets/popup.cpp b/gui/widgets/popup.cpp
index a36a652e5b..fe51b39c10 100644
--- a/gui/widgets/popup.cpp
+++ b/gui/widgets/popup.cpp
@@ -45,6 +45,8 @@ protected:
 	int			_leftPadding;
 	int			_rightPadding;
 
+	int			_lastRead;
+
 public:
 	PopUpDialog(PopUpWidget *boss, int clickX, int clickY);
 
@@ -53,6 +55,7 @@ public:
 	void handleMouseUp(int x, int y, int button, int clickCount) override;
 	void handleMouseWheel(int x, int y, int direction) override;	// Scroll through entries with scroll wheel
 	void handleMouseMoved(int x, int y, int button) override;	// Redraw selections depending on mouse position
+	void handleMouseLeft(int button) override;	
 	void handleKeyDown(Common::KeyState state) override;	// Scroll through entries with arrow keys etc.
 
 protected:
@@ -64,6 +67,7 @@ protected:
 
 	void moveUp();
 	void moveDown();
+	void read(Common::String);
 };
 
 PopUpDialog::PopUpDialog(PopUpWidget *boss, int clickX, int clickY)
@@ -145,6 +149,8 @@ PopUpDialog::PopUpDialog(PopUpWidget *boss, int clickX, int clickY)
 	// Remember original mouse position
 	_clickX = clickX - _x;
 	_clickY = clickY - _y;
+
+	_lastRead = -1;
 }
 
 void PopUpDialog::drawDialog(DrawLayer layerToDraw) {
@@ -207,6 +213,27 @@ void PopUpDialog::handleMouseMoved(int x, int y, int button) {
 
 	// ...and update the selection accordingly
 	setSelection(item);
+	if (_lastRead != item) {
+		read(_popUpBoss->_entries[item].name);
+		_lastRead = item;
+	}
+}
+
+void PopUpDialog::handleMouseLeft(int button) {
+	_lastRead = -1;
+}
+
+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);
+	}
+#endif
 }
 
 void PopUpDialog::handleKeyDown(Common::KeyState state) {
diff --git a/gui/widgets/popup.h b/gui/widgets/popup.h
index d2b1f1cb92..a898479410 100644
--- a/gui/widgets/popup.h
+++ b/gui/widgets/popup.h
@@ -77,7 +77,7 @@ public:
 	uint32 getSelectedTag() const				{ return (_selectedItem >= 0) ? _entries[_selectedItem].tag : (uint32)-1; }
 //	const String& getSelectedString() const		{ return (_selectedItem >= 0) ? _entries[_selectedItem].name : String::emptyString; }
 
-	void handleMouseEntered(int button)	{ setFlags(WIDGET_HILITED); markAsDirty(); }
+	void handleMouseEntered(int button)	{ read(_entries[_selectedItem].name); setFlags(WIDGET_HILITED); markAsDirty(); }
 	void handleMouseLeft(int button)	{ clearFlags(WIDGET_HILITED); markAsDirty(); }
 
 	virtual void reflowLayout();
diff --git a/gui/widgets/tab.cpp b/gui/widgets/tab.cpp
index d34214b0ea..103f57291a 100644
--- a/gui/widgets/tab.cpp
+++ b/gui/widgets/tab.cpp
@@ -46,7 +46,7 @@ TabWidget::TabWidget(GuiObject *boss, const String &name)
 }
 
 void TabWidget::init() {
-	setFlags(WIDGET_ENABLED);
+	setFlags(WIDGET_ENABLED | WIDGET_TRACK_MOUSE);
 	_type = kTabWidget;
 	_activeTab = -1;
 	_firstVisibleTab = 0;
@@ -71,6 +71,7 @@ void TabWidget::init() {
 	int y = _butTP - _tabHeight;
 	_navLeft = new ButtonWidget(this, x, y, _butW, _butH, "<", 0, kCmdLeft);
 	_navRight = new ButtonWidget(this, x + _butW + 2, y, _butW, _butH, ">", 0, kCmdRight);
+	_lastRead = -1;
 }
 
 TabWidget::~TabWidget() {
@@ -216,6 +217,30 @@ void TabWidget::handleMouseDown(int x, int y, int button, int clickCount) {
 		setActiveTab(tabID);
 }
 
+void TabWidget::handleMouseMoved(int x, int y, int button) {
+	assert(y < _tabHeight);
+
+	if (x < 0)
+		return;
+
+	// Determine which tab the mouse is on
+	int tabID;
+	for (tabID = _firstVisibleTab; tabID <= _lastVisibleTab; ++tabID) {
+		x -= _tabs[tabID]._tabWidth;
+		if (x < 0)
+			break;
+	}
+
+	if (tabID <= _lastVisibleTab) {
+		if (tabID != _lastRead) {
+			read(_tabs[tabID].title);
+			_lastRead = tabID;
+		}
+	}
+	else 
+		_lastRead = -1;
+}
+
 bool TabWidget::handleKeyDown(Common::KeyState state) {
 	if (state.hasFlags(Common::KBD_SHIFT) && state.keycode == Common::KEYCODE_TAB)
 		adjustTabs(kTabBackwards);
diff --git a/gui/widgets/tab.h b/gui/widgets/tab.h
index f85d30a9c6..8411509bd0 100644
--- a/gui/widgets/tab.h
+++ b/gui/widgets/tab.h
@@ -60,6 +60,7 @@ protected:
 
 	ButtonWidget *_navLeft, *_navRight;
 	bool _navButtonsVisible;
+	int _lastRead;
 
 public:
 	TabWidget(GuiObject *boss, int x, int y, int w, int h);
@@ -102,6 +103,8 @@ public:
 	}
 
 	virtual void handleMouseDown(int x, int y, int button, int clickCount) override;
+	virtual void handleMouseMoved(int x, int y, int button);
+	virtual void handleMouseLeft(int button) { _lastRead = -1; };
 	virtual bool handleKeyDown(Common::KeyState state) override;
 	virtual void handleCommand(CommandSender *sender, uint32 cmd, uint32 data) override;
 	virtual int getFirstVisible() const;