watch for when screens cant be managed

src/frame.cc

@@ -412,6 +412,8 @@ void OBFrame::grabClient()
   XUngrabServer(otk::OBDisplay::display);
 
   update();
+
+  XMapWindow(otk::OBDisplay::display, _window);
 }
 
 

src/openbox.cc

@@ -128,9 +128,19 @@ Openbox::Openbox(int argc, char **argv)
   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 
   // initialize all the screens
-  _screens.push_back(new OBScreen(0, _config));
+  OBScreen *screen;
+  screen = new OBScreen(0, _config);
+  if (screen->managed()) {
+    _screens.push_back(screen);
     _screens[0]->manageExisting();
     // XXX: "change to" the first workspace on the screen to initialize stuff
+  } else
+    delete screen;
+
+  if (_screens.empty()) {
+    printf(_("No screens were found without a window manager. Exiting.\n"));
+    ::exit(1);
+  }
   
   _state = State_Normal; // done starting
 }

src/screen.cc

@@ -327,8 +327,6 @@ void OBScreen::manageWindow(Window window)
   XWMHints *wmhint;
   XSetWindowAttributes attrib_set;
 
-  printf("Managing Window: %lx\n", window);
-
   // is the window a docking app
   if ((wmhint = XGetWMHints(otk::OBDisplay::display, window))) {
     if ((wmhint->flags & StateHint) &&

src/screen.hh

@@ -99,6 +99,12 @@ public:
   //! Destroys the OBScreen object
   virtual ~OBScreen();
 
+  //! Returns if the screen was successfully managed
+  /*!
+    If this is false, then the screen should be deleted and should NOT be
+    used.
+  */
+  inline bool managed() const { return _managed; }
   //! Returns the Image Control used for rendering on the screen
   inline otk::BImageControl *imageControl() { return _image_control; }
   //! Returns the dimentions of the screen