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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef   __screen_hh
   3 #define   __screen_hh
   4
   5 /*! @file screen.hh
   6   @brief OBScreen manages a single screen
   7 */
   8
   9 extern "C" {
  10 #include <X11/Xlib.h>
  11 }
  12
  13 #include "otk/image.hh"
  14 #include "otk/strut.hh"
  15 #include "otk/rect.hh"
  16 #include "otk/style.hh"
  17 #include "otk/configuration.hh" // TEMPORARY
  18
  19 #include <string>
  20
  21 namespace ob {
  22
  23 class OBClient;
  24
  25 //! Manages a single screen
  26 /*!
  27 */
  28 class OBScreen {
  29 public:
  30   //! Holds a list of OBClient objects
  31   typedef std::list<OBClient*> ClientList;
  32   //! Holds a list of otk::Strut objects
  33   typedef std::list<otk::Strut*> StrutList;
  34
  35   static const unsigned long event_mask = ColormapChangeMask |
  36                                           EnterWindowMask |
  37                                           LeaveWindowMask |
  38                                           PropertyChangeMask |
  39                                           SubstructureNotifyMask |
  40                                           SubstructureRedirectMask |
  41                                           ButtonPressMask |
  42                                           ButtonReleaseMask;
  43
  44 private:
  45   //! Was %Openbox able to manage the screen?
  46   bool _managed;
  47
  48   //! The number of the screen on the X server
  49   int _number;
  50
  51   //! Information about this screen
  52   const otk::ScreenInfo *_info;
  53
  54   //! The Image Control used for rendering on the screen
  55   otk::BImageControl *_image_control;
  56
  57   //! The style with which to render on the screen
  58   otk::Style _style;
  59
  60   //! Is the root colormap currently installed?
  61   bool _root_cmap_installed;
  62
  63   //! All managed clients on the screen
  64   ClientList _clients;
  65
  66   //! Area usable for placement etc (total - struts)
  67   otk::Rect _area;
  68
  69   //! Areas of the screen reserved by applications
  70   StrutList _struts;
  71
  72
  73   //! Calculate the OBScreen::_area member
  74   void calcArea();
  75   //! Set the client list on the root window
  76   /*!
  77     Sets the _NET_CLIENT_LIST root window property.<br>
  78     Also calls OBScreen::updateStackingList.
  79   */
  80   void setClientList();
  81   //! Set the client stacking list on the root window
  82   /*!
  83     Set the _NET_CLIENT_LIST_STACKING root window property.
  84   */
  85   void setStackingList();
  86   //! Set the work area hint on the root window
  87   /*!
  88     Set the _NET_WORKAREA root window property.
  89   */
  90   void setWorkArea();
  91
  92 public:
  93   //! Constructs a new OBScreen object
  94   OBScreen(int screen, const otk::Configuration &config);
  95   //! Destroys the OBScreen object
  96   virtual ~OBScreen();
  97
  98   //! Returns if the screen was successfully managed
  99   /*!
 100     If this is false, then the screen should be deleted and should NOT be
 101     used.
 102   */
 103   inline bool managed() const { return _managed; }
 104   //! Returns the Image Control used for rendering on the screen
 105   inline otk::BImageControl *imageControl() { return _image_control; }
 106   //! Returns the area of the screen not reserved by applications' Struts
 107   inline const otk::Rect &area() const { return _area; }
 108   //! Returns the style in use on the screen
 109   inline const otk::Style *style() const { return &_style; }
 110
 111
 112   //! Adds a window's strut to the screen's list of reserved spaces
 113   void addStrut(otk::Strut *strut);
 114   //! Removes a window's strut from the screen's list of reserved spaces
 115   void removeStrut(otk::Strut *strut);
 116
 117   //! Loads a new style on the screen
 118   void loadStyle(const otk::Configuration &config);
 119
 120   //! Manage any pre-existing windows on the screen
 121   void manageExisting();
 122   //! Manage a client window
 123   /*!
 124     This gives the window a frame, reparents it, selects events on it, etc.
 125   */
 126   void manageWindow(Window window);
 127   //! Unmanage a client
 128   /*!
 129     This removes the window's frame, reparents it to root, unselects events on
 130     it, etc.
 131   */
 132   void unmanageWindow(OBClient *client);
 133 };
 134
 135 }
 136
 137 #endif// __screen_hh