auto adjust size of map window title bar

apps/openmw/mwgui/layouts.cpp

@@ -202,6 +202,7 @@ void MapWindow::setVisible(bool b)
 void MapWindow::setCellName(const std::string& cellName)
 {
     static_cast<MyGUI::Window*>(mMainWidget)->setCaption(cellName);
+    adjustWindowCaption();
 }
 
 void MapWindow::setPlayerPos(const float x, const float y)

libs/openengine/gui/layout.hpp

@@ -80,6 +80,29 @@ namespace GUI
       mMainWidget->setCoord(x,y,w,h);
     }
 
+    void adjustWindowCaption()
+    {
+      // adjust the size of the window caption so that all text is visible
+      // NOTE: this assumes that mMainWidget is of type Window.
+      MyGUI::TextBox* box = static_cast<MyGUI::Window*>(mMainWidget)->getCaptionWidget();
+      box->setSize(box->getTextSize().width + 48, box->getSize().height);
+
+      // in order to trigger alignment updates, we need to update the parent
+      // mygui doesn't provide a proper way of doing this, so we are just changing size
+      box->getParent()->setCoord(MyGUI::IntCoord(
+          box->getParent()->getCoord().left,
+          box->getParent()->getCoord().top,
+          box->getParent()->getCoord().width,
+          box->getParent()->getCoord().height+1
+      ));
+      box->getParent()->setCoord(MyGUI::IntCoord(
+          box->getParent()->getCoord().left,
+          box->getParent()->getCoord().top,
+          box->getParent()->getCoord().width,
+          box->getParent()->getCoord().height-1
+      ));
+    }
+
     void setVisible(bool b)
     {
       mMainWidget->setVisible(b);