Adds handleScreenChanged() to NewGui, so (scumm) engine can call it when it recives a EVENT_SCREEN_CHANGED.

svn-id: r22025

5 files changed, 14 insertions, 3 deletions

diff --git a/gui/ThemeClassic.cpp b/gui/ThemeClassic.cpp
index bda8836af5..69a5690b03 100644
--- a/gui/ThemeClassic.cpp
+++ b/gui/ThemeClassic.cpp
@@ -79,7 +79,8 @@ void ThemeClassic::refresh() {
 	_shadowcolor = _system->RGBToColor(64, 64, 64);
 	_textcolor = _system->RGBToColor(32, 160, 32);
 	_textcolorhi = _system->RGBToColor(0, 255, 0);
-	_system->showOverlay();
+	if (_enabled)
+		_system->showOverlay();
 }
 
 void ThemeClassic::enable() {
@@ -87,10 +88,12 @@ void ThemeClassic::enable() {
 	resetDrawArea();
 	_system->showOverlay();
 	clearAll();
+	_enabled = true;
 }
 
 void ThemeClassic::disable() {
 	_system->hideOverlay();
+	_enabled = false;
 }
 
 void ThemeClassic::openDialog(bool topDialog) {
diff --git a/gui/ThemeNew.cpp b/gui/ThemeNew.cpp
index 2b32425996..fc10da82c1 100644
--- a/gui/ThemeNew.cpp
+++ b/gui/ThemeNew.cpp
@@ -354,7 +354,8 @@ void ThemeNew::deinit() {
 void ThemeNew::refresh() {
 	init();
 	resetupGuiRenderer();
-	_system->showOverlay();
+	if (_enabled)
+		_system->showOverlay();
 }
 
 void ThemeNew::enable() {
@@ -364,12 +365,14 @@ void ThemeNew::enable() {
 	_system->showOverlay();
 	clearAll();
 	setUpCursor();
+	_enabled = true;
 }
 
 void ThemeNew::disable() {
 	_system->hideOverlay();
 	_system->setPalette(_backUpCols, 0, MAX_CURS_COLORS);
 	_needPaletteUpdates = false;
+	_enabled = false;
 }
 
 void ThemeNew::openDialog(bool topDialog) {
diff --git a/gui/newgui.cpp b/gui/newgui.cpp
index d54d85be53..a863f6e3c2 100644
--- a/gui/newgui.cpp
+++ b/gui/newgui.cpp
@@ -334,5 +334,8 @@ WidgetSize NewGui::getWidgetSize() {
 	return (WidgetSize)(_theme->_evaluator->getVar("widgetSize"));
 }
 
+void NewGui::handleScreenChange() {
+	_theme->refresh();
+}
 
 } // End of namespace GUI
diff --git a/gui/newgui.h b/gui/newgui.h
index 9e46738162..58bdf4715b 100644
--- a/gui/newgui.h
+++ b/gui/newgui.h
@@ -80,7 +80,7 @@ public:
 
 	WidgetSize getWidgetSize();
 
-
+	void handleScreenChange();
 protected:
 	OSystem			*_system;
 
diff --git a/gui/theme.h b/gui/theme.h
index e641148eda..b1defc17cf 100644
--- a/gui/theme.h
+++ b/gui/theme.h
@@ -262,6 +262,7 @@ private:
 
 	bool _forceRedraw;
 	bool _initOk;
+	bool _enabled;
 
 	const Graphics::Font *_font;
 	OverlayColor _color, _shadowcolor;
@@ -356,6 +357,7 @@ private:
 
 	bool _initOk;
 	bool _forceRedraw;
+	bool _enabled;
 
 	int _lastUsedBitMask;
 	void resetupGuiRenderer();