Create a base class for dialog windows

apps/openmw/CMakeLists.txt

@@ -45,6 +45,7 @@ set(GAMEGUI_HEADER
     mwgui/console.hpp
     mwgui/dialogue.hpp
     mwgui/dialogue_history.hpp
+    mwgui/window_base.hpp
 )
 set(GAMEGUI
     mwgui/window_manager.cpp
@@ -58,6 +59,7 @@ set(GAMEGUI
     mwgui/review.cpp
     mwgui/dialogue.cpp
     mwgui/dialogue_history.cpp
+    mwgui/window_base.cpp
 )
 source_group(apps\\openmw\\mwgui FILES ${GAMEGUI_HEADER} ${GAMEGUI})
 

apps/openmw/mwgui/window_base.cpp

@@ -0,0 +1,25 @@
+#include "window_base.hpp"
+#include "../mwworld/environment.hpp"
+#include "window_manager.hpp"
+
+using namespace MWGui;
+
+WindowBase::WindowBase(const std::string& parLayout, MWWorld::Environment& parEnvironment)
+  : Layout(parLayout)
+  , environment(parEnvironment)
+{
+}
+
+void WindowBase::open()
+{
+}
+
+void WindowBase::center()
+{
+    // Centre dialog
+    MyGUI::IntSize gameWindowSize = environment.mWindowManager->getGui()->getViewSize();
+    MyGUI::IntCoord coord = mMainWidget->getCoord();
+    coord.left = (gameWindowSize.width - coord.width)/2;
+    coord.top = (gameWindowSize.height - coord.height)/2;
+    mMainWidget->setCoord(coord);
+}

apps/openmw/mwgui/window_base.hpp

@@ -0,0 +1,27 @@
+#ifndef MWGUI_WINDOW_BASE_H
+#define MWGUI_WINDOW_BASE_H
+
+#include <openengine/gui/layout.hpp>
+
+namespace MWWorld
+{
+    class Environment;
+}
+
+namespace MWGui
+{
+    class WindowBase: public OEngine::GUI::Layout
+    {
+        public:
+        WindowBase(const std::string& parLayout, MWWorld::Environment& parEnvironment);
+
+        virtual void open();
+        void center();
+
+        protected:
+        MWWorld::Environment& environment;
+    };
+}
+
+#endif
+