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