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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   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
  28 namespace ob {
  29
  30 class OBScreen;
  31 class OBClient;
  32 class OBActions;
  33 class OBBindings;
  34
  35 //! Mouse cursors used throughout Openbox
  36 struct Cursors {
  37   Cursor session;  //!< The default mouse cursor
  38   Cursor move;     //!< For moving a window
  39   Cursor ll_angle; //!< For resizing the bottom left corner of a window
  40   Cursor lr_angle; //!< For resizing the bottom right corner of a window
  41   Cursor ul_angle; //!< For resizing the top left corner of a window
  42   Cursor ur_angle; //!< For resizing the right corner of a window
  43 };
  44
  45
  46 //! The main class for the Openbox window manager
  47 /*!
  48   Only a single instance of the Openbox class may be used in the application. A
  49   pointer to this instance is held in the Openbox::instance static member
  50   variable.
  51   Instantiation of this class begins the window manager. After instantiation,
  52   the Openbox::eventLoop function should be called. The eventLoop method does
  53   not exit until the window manager is ready to be destroyed. Destruction of
  54   the Openbox class instance will shutdown the window manager.
  55 */
  56 class Openbox : public otk::OtkEventDispatcher, public otk::OtkEventHandler
  57 {
  58 public:
  59   //! The single instance of the Openbox class for the application
  60   /*!
  61     Since this variable is globally available in the application, the Openbox
  62     class does not need to be passed around to any of the other classes.
  63   */
  64   static Openbox *instance;
  65
  66   //! The posible running states of the window manager
  67   enum RunState {
  68     State_Starting, //!< The window manager is starting up (being created)
  69     State_Normal,   //!< The window manager is running in its normal state
  70     State_Exiting   //!< The window manager is exiting (being destroyed)
  71   };
  72
  73   //! A map for looking up a specific client class from the window id
  74   typedef std::map<Window, OBClient *> ClientMap;
  75
  76   //! A list of OBScreen classes
  77   typedef std::vector<OBScreen *> ScreenList;
  78
  79 private:
  80   // stuff that can be passed on the command line
  81   //! Path to the config file to use/in use
  82   /*!
  83     Defaults to $(HOME)/.openbox/rc3
  84   */
  85   std::string _rcfilepath;
  86   //! Path to the menu file to use/in use
  87   /*!
  88     Defaults to $(HOME)/.openbox/menu3
  89   */
  90   std::string _menufilepath;
  91   //! Path to the script file to execute on startup
  92   /*!
  93     Defaults to $(HOME)/.openbox/user.py
  94   */
  95   std::string _scriptfilepath;
  96   //! The display requested by the user, or null to use the DISPLAY env var
  97   char *_displayreq;
  98   //! The value of argv[0], i.e. how this application was executed
  99   char *_argv0;
 100
 101   //! A list of all managed clients
 102   ClientMap _clients;
 103
 104   //! A list of all the managed screens
 105   ScreenList _screens;
 106
 107   //! Manages all timers for the application
 108   /*!
 109     Use of the otk::OBTimerQueueManager::fire funtion in this object ensures
 110     that all timers fire when their times elapse.
 111   */
 112   otk::OBTimerQueueManager _timermanager;
 113
 114   //! Cached atoms on the display
 115   /*!
 116     This is a pointer because the OBProperty class uses otk::OBDisplay::display
 117     in its constructor, so, it needs to be initialized <b>after</b> the display
 118     is initialized in this class' constructor.
 119   */
 120   otk::OBProperty *_property;
 121
 122   //! The action interface through which all user-available actions occur
 123   OBActions *_actions;
 124
 125   //! The interface through which keys/buttons are grabbed and handled
 126   OBBindings *_bindings;
 127
 128   //! Run the application in synchronous mode? (for debugging)
 129   bool _sync;
 130
 131   //! The running state of the window manager
 132   RunState _state;
 133
 134   //! Mouse cursors used throughout Openbox
 135   Cursors _cursors;
 136
 137   //! When set to true, the Openbox::eventLoop function will stop and return
 138   bool _doshutdown;
 139
 140   //! The configuration of the application. TEMPORARY
 141   otk::Configuration _config;
 142
 143   //! The client with input focus
 144   /*!
 145     Updated by the clients themselves.
 146   */
 147   OBClient *_focused_client;
 148
 149   //! The screen with input focus
 150   /*!
 151     Updated by the clients when they update the Openbox::focused_client
 152     property.
 153   */
 154   OBScreen *_focused_screen;
 155
 156   //! Parses the command line used when executing this application
 157   void parseCommandLine(int argv, char **argv);
 158   //! Displays the version string to stdout
 159   void showVersion();
 160   //! Displays usage information and help to stdout
 161   void showHelp();
 162
 163   //! Handles signal events for the application
 164   static void signalHandler(int signal);
 165
 166 public:
 167 #ifndef SWIG
 168   //! Openbox constructor.
 169   /*!
 170     \param argc Number of command line arguments, as received in main()
 171     \param argv The command line arguments, as received in main()
 172   */
 173   Openbox(int argc, char **argv);
 174   //! Openbox destructor.
 175   virtual ~Openbox();
 176 #endif
 177
 178   //! Returns the state of the window manager (starting, exiting, etc)
 179   inline RunState state() const { return _state; }
 180
 181   //! Returns the otk::OBTimerQueueManager for the application
 182   /*!
 183     All otk::OBTimer objects used in the application should be made to use this
 184     otk::OBTimerQueueManager.
 185   */
 186   inline otk::OBTimerQueueManager *timerManager() { return &_timermanager; }
 187
 188   //! Returns the otk::OBProperty instance for the window manager
 189   inline const otk::OBProperty *property() const { return _property; }
 190
 191   //! Returns the OBBinding instance for the window manager
 192   inline OBBindings *bindings() const { return _bindings; }
 193
 194   //! Returns a managed screen
 195   inline OBScreen *screen(int num) {
 196     assert(num >= 0); assert(num < (signed)_screens.size());
 197     if (num >= screenCount())
 198       return NULL;
 199     return _screens[num];
 200   }
 201
 202   //! Returns the number of managed screens
 203   inline int screenCount() const {
 204     return (signed)_screens.size();
 205   }
 206
 207   //! Returns the mouse cursors used throughout Openbox
 208   inline const Cursors &cursors() const { return _cursors; }
 209
 210 #ifndef SWIG
 211   //! The main function of the Openbox class
 212   /*!
 213     This function should be called after instantiating the Openbox class.
 214     It loops indefinately while handling all events for the application.
 215     The Openbox::shutdown method will cause this function to exit.
 216   */
 217   void eventLoop();
 218 #endif
 219
 220   //! Adds an OBClient to the client list for lookups
 221   void addClient(Window window, OBClient *client);
 222
 223   //! Removes an OBClient from the client list for lookups
 224   void removeClient(Window window);
 225
 226   //! Finds an OBClient based on its window id
 227   OBClient *findClient(Window window);
 228
 229   //! The client with input focus
 230   inline OBClient *focusedClient() { return _focused_client; }
 231
 232   //! Change the client which has focus.
 233   /*!
 234     This is called by the clients themselves when their focus state changes.
 235   */
 236   void setFocusedClient(OBClient *c);
 237
 238   //! The screen with input focus
 239   inline OBScreen *focusedScreen() { return _focused_screen; }
 240
 241   //! Requests that the window manager exit
 242   /*!
 243     Causes the Openbox::eventLoop function to stop looping, so that the window
 244     manager can be destroyed.
 245   */
 246   inline void shutdown() { _doshutdown = true; }
 247 };
 248
 249 }
 250
 251 #endif // __openbox_hh