Dogcows Code - chaz/openbox/blob - src/openbox.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2 #ifndef   __openbox_hh
   3 #define   __openbox_hh
   4
   5 /*! @file openbox.hh
   6   @brief The main class for the Openbox window manager
   7 */
   8
   9 extern "C" {
  10 #include <X11/Xlib.h>
  11 }
  12
  13 #include <string>
  14 #include <vector>
  15
  16 #include "otk/screeninfo.hh"
  17 #include "otk/timerqueuemanager.hh"
  18 #include "xeventhandler.hh"
  19
  20 namespace ob {
  21
  22 //! The main class for the Openbox window manager.
  23 /*!
  24   Only a single instance of the Openbox class may be used in the application. A
  25   pointer to this instance is held in the Openbox::instance static member
  26   variable.
  27   Instantiation of this class begins the window manager. After instantiation,
  28   the Openbox::eventLoop function should be called. The eventLoop method does
  29   not exit until the window manager is ready to be destroyed. Destruction of
  30   the Openbox class instance will shutdown the window manager.
  31 */
  32 class Openbox
  33 {
  34 public:
  35   //! The single instance of the Openbox class for the application.
  36   /*!
  37     Since this variable is globally available in the application, the Openbox
  38     class does not need to be passed around to any of the other classes.
  39   */
  40   static Openbox *instance;
  41
  42   //! The posible running states of the window manager
  43   enum RunState {
  44     State_Starting, //!< The window manager is starting up (being created)
  45     State_Normal,   //!< The window manager is running in its normal state
  46     State_Exiting   //!< The window manager is exiting (being destroyed)
  47   };
  48
  49 private:
  50   // stuff that can be passed on the command line
  51   //! Path to the config file to use/in use
  52   /*!
  53     Defaults to $(HOME)/.openbox/rc3
  54   */
  55   std::string _rcfilepath;
  56   //! Path to the menu file to use/in use
  57   /*!
  58     Defaults to $(HOME)/.openbox/menu3
  59   */
  60   std::string _menufilepath;
  61   //! The display requested by the user, or null to use the DISPLAY env var
  62   char *_displayreq;
  63   //! The value of argv[0], i.e. how this application was executed
  64   char *_argv0;
  65
  66   //! Manages all timers for the application
  67   /*!
  68     Use of the otk::OBTimerQueueManager::fire funtion in this object ensures
  69     that all timers fire when their times elapse.
  70   */
  71   otk::OBTimerQueueManager _timermanager;
  72
  73   //! The class which will handle raw XEvents
  74   OBXEventHandler _xeventhandler;
  75
  76   //! The running state of the window manager
  77   RunState _state;
  78
  79   //! When set to true, the Openbox::eventLoop function will stop and return
  80   bool _doshutdown;
  81
  82   //! Parses the command line used when executing this application
  83   void parseCommandLine(int argv, char **argv);
  84   //! Displays the version string to stdout
  85   void showVersion();
  86   //! Displays usage information and help to stdout
  87   void showHelp();
  88
  89   //! Handles signal events for the application
  90   static void signalHandler(int signal);
  91
  92 public:
  93   //! Openbox constructor.
  94   /*!
  95     \param argc Number of command line arguments, as received in main()
  96     \param argv The command line arguments, as received in main()
  97   */
  98   Openbox(int argc, char **argv);
  99   //! Openbox destructor.
 100   virtual ~Openbox();
 101
 102   //! Returns the state of the window manager (starting, exiting, etc)
 103   inline RunState state() const { return _state; }
 104
 105   //! Returns the otk::OBTimerQueueManager for the application
 106   /*!
 107     All otk::OBTimer objects used in the application should be made to use this
 108     otk::OBTimerQueueManager.
 109   */
 110   inline otk::OBTimerQueueManager *timerManager() { return &_timermanager; }
 111
 112   //! The main function of the Openbox class
 113   /*!
 114     This function should be called after instantiating the Openbox class.
 115     Loops indefinately while handling all events in the application.
 116     The Openbox::shutdown method will cause this function to exit.
 117   */
 118   void eventLoop();
 119
 120   //! Requests that the window manager exit
 121   /*!
 122     Causes the Openbox::eventLoop function to stop looping, so that the window
 123     manager can be destroyed.
 124   */
 125   inline void shutdown() { _doshutdown = true; }
 126 };
 127
 128 }
 129
 130 #endif // __openbox_hh