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 /*
  10   cuz girls look soooo goood.. on the end of my DICK
  11 */
  12
  13 extern "C" {
  14 #include <X11/Xlib.h>
  15 }
  16
  17 #include <string>
  18 #include <vector>
  19 #include <map>
  20
  21 #include "otk/screeninfo.hh"
  22 #include "otk/timerqueuemanager.hh"
  23 #include "otk/property.hh"
  24 #include "otk/configuration.hh"
  25 #include "otk/eventdispatcher.hh"
  26 #include "otk/eventhandler.hh"
  27 #include "client.hh"
  28
  29 namespace ob {
  30
  31 class OBScreen;
  32
  33 //! The main class for the Openbox window manager.
  34 /*!
  35   Only a single instance of the Openbox class may be used in the application. A
  36   pointer to this instance is held in the Openbox::instance static member
  37   variable.
  38   Instantiation of this class begins the window manager. After instantiation,
  39   the Openbox::eventLoop function should be called. The eventLoop method does
  40   not exit until the window manager is ready to be destroyed. Destruction of
  41   the Openbox class instance will shutdown the window manager.
  42 */
  43 class Openbox : public otk::OtkEventDispatcher, public otk::OtkEventHandler
  44 {
  45 public:
  46   //! The single instance of the Openbox class for the application.
  47   /*!
  48     Since this variable is globally available in the application, the Openbox
  49     class does not need to be passed around to any of the other classes.
  50   */
  51   static Openbox *instance;
  52
  53   //! The posible running states of the window manager
  54   enum RunState {
  55     State_Starting, //!< The window manager is starting up (being created)
  56     State_Normal,   //!< The window manager is running in its normal state
  57     State_Exiting   //!< The window manager is exiting (being destroyed)
  58   };
  59
  60   //! Mouse cursors used throughout Openbox
  61   struct Cursors {
  62     Cursor session;  //!< The default mouse cursor
  63     Cursor move;     //!< For moving a window
  64     Cursor ll_angle; //!< For resizing the bottom left corner of a window
  65     Cursor lr_angle; //!< For resizing the bottom right corner of a window
  66     Cursor ul_angle; //!< For resizing the top left corner of a window
  67     Cursor ur_angle; //!< For resizing the right corner of a window
  68   };
  69
  70   //! A map for looking up a specific client class from the window id
  71   typedef std::map<Window, OBClient *> ClientMap;
  72
  73   //! A list of OBScreen classes
  74   typedef std::vector<OBScreen *> ScreenList;
  75
  76 private:
  77   // stuff that can be passed on the command line
  78   //! Path to the config file to use/in use
  79   /*!
  80     Defaults to $(HOME)/.openbox/rc3
  81   */
  82   std::string _rcfilepath;
  83   //! Path to the menu file to use/in use
  84   /*!
  85     Defaults to $(HOME)/.openbox/menu3
  86   */
  87   std::string _menufilepath;
  88   //! The display requested by the user, or null to use the DISPLAY env var
  89   char *_displayreq;
  90   //! The value of argv[0], i.e. how this application was executed
  91   char *_argv0;
  92
  93   //! A list of all managed clients
  94   ClientMap _clients;
  95
  96   //! A list of all the managed screens
  97   ScreenList _screens;
  98
  99   //! Manages all timers for the application
 100   /*!
 101     Use of the otk::OBTimerQueueManager::fire funtion in this object ensures
 102     that all timers fire when their times elapse.
 103   */
 104   otk::OBTimerQueueManager _timermanager;
 105
 106   //! Cached atoms on the display
 107   /*!
 108     This is a pointer because the OBProperty class uses otk::OBDisplay::display
 109     in its constructor, so, it needs to be initialized <b>after</b> the display
 110     is initialized in this class' constructor.
 111   */
 112   otk::OBProperty *_property;
 113
 114   //! The running state of the window manager
 115   RunState _state;
 116
 117   //! Mouse cursors used throughout Openbox
 118   Cursors _cursors;
 119
 120   //! When set to true, the Openbox::eventLoop function will stop and return
 121   bool _doshutdown;
 122
 123   //! The configuration of the application. TEMPORARY
 124   otk::Configuration _config;
 125
 126   //! Parses the command line used when executing this application
 127   void parseCommandLine(int argv, char **argv);
 128   //! Displays the version string to stdout
 129   void showVersion();
 130   //! Displays usage information and help to stdout
 131   void showHelp();
 132
 133   //! Handles signal events for the application
 134   static void signalHandler(int signal);
 135
 136 public:
 137   //! Openbox constructor.
 138   /*!
 139     \param argc Number of command line arguments, as received in main()
 140     \param argv The command line arguments, as received in main()
 141   */
 142   Openbox(int argc, char **argv);
 143   //! Openbox destructor.
 144   virtual ~Openbox();
 145
 146   //! Returns the state of the window manager (starting, exiting, etc)
 147   inline RunState state() const { return _state; }
 148
 149   //! Returns the otk::OBTimerQueueManager for the application
 150   /*!
 151     All otk::OBTimer objects used in the application should be made to use this
 152     otk::OBTimerQueueManager.
 153   */
 154   inline otk::OBTimerQueueManager *timerManager() { return &_timermanager; }
 155
 156   //! Returns the otk::OBProperty instance for the window manager
 157   inline const otk::OBProperty *property() const { return _property; }
 158
 159   //! Returns a managed screen
 160   inline OBScreen *screen(int num) {
 161     assert(num >= 0); assert(num < (signed)_screens.size());
 162     return _screens[num];
 163   }
 164
 165   //! Returns the mouse cursors used throughout Openbox
 166   inline const Cursors &cursors() const { return _cursors; }
 167
 168   //! The main function of the Openbox class
 169   /*!
 170     This function should be called after instantiating the Openbox class.
 171     It loops indefinately while handling all events for the application.
 172     The Openbox::shutdown method will cause this function to exit.
 173   */
 174   void eventLoop();
 175
 176   //! Adds an OBClient to the client list for lookups
 177   void addClient(Window window, OBClient *client);
 178
 179   //! Removes an OBClient from the client list for lookups
 180   void removeClient(Window window);
 181
 182   //! Finds an OBClient based on its window id
 183   OBClient *findClient(Window window);
 184
 185   //! Requests that the window manager exit
 186   /*!
 187     Causes the Openbox::eventLoop function to stop looping, so that the window
 188     manager can be destroyed.
 189   */
 190   inline void shutdown() { _doshutdown = true; }
 191 };
 192
 193 }
 194
 195 #endif // __openbox_hh