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 "xeventhandler.hh"
  26 #include "client.hh"
  27
  28 namespace ob {
  29
  30 class OBScreen;
  31
  32 //! The main class for the Openbox window manager.
  33 /*!
  34   Only a single instance of the Openbox class may be used in the application. A
  35   pointer to this instance is held in the Openbox::instance static member
  36   variable.
  37   Instantiation of this class begins the window manager. After instantiation,
  38   the Openbox::eventLoop function should be called. The eventLoop method does
  39   not exit until the window manager is ready to be destroyed. Destruction of
  40   the Openbox class instance will shutdown the window manager.
  41 */
  42 class Openbox
  43 {
  44 public:
  45   //! The single instance of the Openbox class for the application.
  46   /*!
  47     Since this variable is globally available in the application, the Openbox
  48     class does not need to be passed around to any of the other classes.
  49   */
  50   static Openbox *instance;
  51
  52   //! The posible running states of the window manager
  53   enum RunState {
  54     State_Starting, //!< The window manager is starting up (being created)
  55     State_Normal,   //!< The window manager is running in its normal state
  56     State_Exiting   //!< The window manager is exiting (being destroyed)
  57   };
  58
  59   //! Mouse cursors used throughout Openbox
  60   struct Cursors {
  61     Cursor session;  //!< The default mouse cursor
  62     Cursor move;     //!< For moving a window
  63     Cursor ll_angle; //!< For resizing the bottom left corner of a window
  64     Cursor lr_angle; //!< For resizing the bottom right corner of a window
  65     Cursor ul_angle; //!< For resizing the top left corner of a window
  66     Cursor ur_angle; //!< For resizing the right corner of a window
  67   };
  68
  69   //! A map for looking up a specific client class from the window id
  70   typedef std::map<Window, OBClient *> ClientMap;
  71
  72   //! A list of OBScreen classes
  73   typedef std::vector<OBScreen *> ScreenList;
  74
  75 private:
  76   // stuff that can be passed on the command line
  77   //! Path to the config file to use/in use
  78   /*!
  79     Defaults to $(HOME)/.openbox/rc3
  80   */
  81   std::string _rcfilepath;
  82   //! Path to the menu file to use/in use
  83   /*!
  84     Defaults to $(HOME)/.openbox/menu3
  85   */
  86   std::string _menufilepath;
  87   //! The display requested by the user, or null to use the DISPLAY env var
  88   char *_displayreq;
  89   //! The value of argv[0], i.e. how this application was executed
  90   char *_argv0;
  91
  92   //! A list of all managed clients
  93   ClientMap _clients;
  94
  95   //! A list of all the managed screens
  96   ScreenList _screens;
  97
  98   //! Manages all timers for the application
  99   /*!
 100     Use of the otk::OBTimerQueueManager::fire funtion in this object ensures
 101     that all timers fire when their times elapse.
 102   */
 103   otk::OBTimerQueueManager _timermanager;
 104
 105   //! The class which will handle raw XEvents
 106   OBXEventHandler _xeventhandler;
 107
 108   //! Cached atoms on the display
 109   /*!
 110     This is a pointer because the OBProperty class uses otk::OBDisplay::display
 111     in its constructor, so, it needs to be initialized <b>after</b> the display
 112     is initialized in this class' constructor.
 113   */
 114   otk::OBProperty *_property;
 115
 116   //! The running state of the window manager
 117   RunState _state;
 118
 119   //! Mouse cursors used throughout Openbox
 120   Cursors _cursors;
 121
 122   //! When set to true, the Openbox::eventLoop function will stop and return
 123   bool _doshutdown;
 124
 125   //! The configuration of the application. TEMPORARY
 126   otk::Configuration _config;
 127
 128   //! Parses the command line used when executing this application
 129   void parseCommandLine(int argv, char **argv);
 130   //! Displays the version string to stdout
 131   void showVersion();
 132   //! Displays usage information and help to stdout
 133   void showHelp();
 134
 135   //! Handles signal events for the application
 136   static void signalHandler(int signal);
 137
 138 public:
 139   //! Openbox constructor.
 140   /*!
 141     \param argc Number of command line arguments, as received in main()
 142     \param argv The command line arguments, as received in main()
 143   */
 144   Openbox(int argc, char **argv);
 145   //! Openbox destructor.
 146   virtual ~Openbox();
 147
 148   //! Returns the state of the window manager (starting, exiting, etc)
 149   inline RunState state() const { return _state; }
 150
 151   //! Returns the otk::OBTimerQueueManager for the application
 152   /*!
 153     All otk::OBTimer objects used in the application should be made to use this
 154     otk::OBTimerQueueManager.
 155   */
 156   inline otk::OBTimerQueueManager *timerManager() { return &_timermanager; }
 157
 158   //! Returns the otk::OBProperty instance for the window manager
 159   inline const otk::OBProperty *property() const { return _property; }
 160
 161   //! Returns a managed screen
 162   inline OBScreen *screen(int num) {
 163     assert(num >= 0); assert(num < (signed)_screens.size());
 164     return _screens[num];
 165   }
 166
 167   //! Returns the mouse cursors used throughout Openbox
 168   inline const Cursors &cursors() const { return _cursors; }
 169
 170   //! The main function of the Openbox class
 171   /*!
 172     This function should be called after instantiating the Openbox class.
 173     It loops indefinately while handling all events for the application.
 174     The Openbox::shutdown method will cause this function to exit.
 175   */
 176   void eventLoop();
 177
 178   //! Adds an OBClient to the client list for lookups
 179   void addClient(Window window, OBClient *client);
 180
 181   //! Removes an OBClient from the client list for lookups
 182   void removeClient(Window window);
 183
 184   //! Finds an OBClient based on its window id
 185   OBClient *findClient(Window window);
 186
 187   //! Requests that the window manager exit
 188   /*!
 189     Causes the Openbox::eventLoop function to stop looping, so that the window
 190     manager can be destroyed.
 191   */
 192   inline void shutdown() { _doshutdown = true; }
 193 };
 194
 195 }
 196
 197 #endif // __openbox_hh