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