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   //! The running state of the window manager
 125   RunState _state;
 126
 127   //! Mouse cursors used throughout Openbox
 128   Cursors _cursors;
 129
 130   //! When set to true, the Openbox::eventLoop function will stop and return
 131   bool _doshutdown;
 132
 133   //! The configuration of the application. TEMPORARY
 134   otk::Configuration _config;
 135
 136   //! Parses the command line used when executing this application
 137   void parseCommandLine(int argv, char **argv);
 138   //! Displays the version string to stdout
 139   void showVersion();
 140   //! Displays usage information and help to stdout
 141   void showHelp();
 142
 143   //! Handles signal events for the application
 144   static void signalHandler(int signal);
 145
 146 public:
 147 #ifndef SWIG
 148   //! Openbox constructor.
 149   /*!
 150     \param argc Number of command line arguments, as received in main()
 151     \param argv The command line arguments, as received in main()
 152   */
 153   Openbox(int argc, char **argv);
 154   //! Openbox destructor.
 155   virtual ~Openbox();
 156 #endif
 157
 158   //! Returns the state of the window manager (starting, exiting, etc)
 159   inline RunState state() const { return _state; }
 160
 161   //! Returns the otk::OBTimerQueueManager for the application
 162   /*!
 163     All otk::OBTimer objects used in the application should be made to use this
 164     otk::OBTimerQueueManager.
 165   */
 166   inline otk::OBTimerQueueManager *timerManager() { return &_timermanager; }
 167
 168   //! Returns the otk::OBProperty instance for the window manager
 169   inline const otk::OBProperty *property() const { return _property; }
 170
 171   //! Returns a managed screen
 172   inline OBScreen *screen(int num) {
 173     assert(num >= 0); assert(num < (signed)_screens.size());
 174     if (num >= screenCount())
 175       return NULL;
 176     return _screens[num];
 177   }
 178
 179   //! Returns the number of managed screens
 180   inline int screenCount() const {
 181     return (signed)_screens.size();
 182   }
 183
 184   //! Returns the mouse cursors used throughout Openbox
 185   inline const Cursors &cursors() const { return _cursors; }
 186
 187 #ifndef SWIG
 188   //! The main function of the Openbox class
 189   /*!
 190     This function should be called after instantiating the Openbox class.
 191     It loops indefinately while handling all events for the application.
 192     The Openbox::shutdown method will cause this function to exit.
 193   */
 194   void eventLoop();
 195 #endif
 196
 197   //! Adds an OBClient to the client list for lookups
 198   void addClient(Window window, OBClient *client);
 199
 200   //! Removes an OBClient from the client list for lookups
 201   void removeClient(Window window);
 202
 203   //! Finds an OBClient based on its window id
 204   OBClient *findClient(Window window);
 205
 206   //! Requests that the window manager exit
 207   /*!
 208     Causes the Openbox::eventLoop function to stop looping, so that the window
 209     manager can be destroyed.
 210   */
 211   inline void shutdown() { _doshutdown = true; }
 212 };
 213
 214 }
 215
 216 #endif // __openbox_hh