TITANIC: Fix rendering of conversation text input

2 files changed, 3 insertions, 2 deletions

diff --git a/engines/titanic/pet_control/pet_control.cpp b/engines/titanic/pet_control/pet_control.cpp
index 7ce2e988d2..94430c6194 100644
--- a/engines/titanic/pet_control/pet_control.cpp
+++ b/engines/titanic/pet_control/pet_control.cpp
@@ -330,6 +330,7 @@ bool CPetControl::KeyCharMsg(CKeyCharMsg *msg) {
 	if (isInputLocked())
 		return false;
 
+	makeDirty();
 	return _sections[_currentArea]->KeyCharMsg(msg);
 }
 
diff --git a/engines/titanic/support/screen_manager.cpp b/engines/titanic/support/screen_manager.cpp
index 4e0f0406a0..3082344216 100644
--- a/engines/titanic/support/screen_manager.cpp
+++ b/engines/titanic/support/screen_manager.cpp
@@ -245,9 +245,9 @@ int OSScreenManager::writeString(int surfaceNum, const Rect &destRect,
 	if (surfaceNum >= 0 && surfaceNum < (int)_backSurfaces.size()) {
 		surface = _backSurfaces[surfaceNum]._surface;
 		bounds = _backSurfaces[surfaceNum]._bounds;
-	} else if (surfaceNum == -1) {
+	} else if (surfaceNum == SURFACE_PRIMARY) {
 		surface = _frontRenderSurface;
-		bounds = Rect(0, 0, surface->getWidth(), surface->getHeight());
+		bounds = _frontSurfaceBounds;
 	} else {
 		return -1;
 	}