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 "rootwindow.hh"
  14 #include "otk/image.hh"
  15 #include "otk/strut.hh"
  16 #include "otk/rect.hh"
  17 #include "otk/style.hh"
  18 #include "otk/configuration.hh" // TEMPORARY
  19
  20 #include <string>
  21
  22 namespace ob {
  23
  24 class OBClient;
  25 class OBRootWindow;
  26
  27 //! Manages a single screen
  28 /*!
  29 */
  30 class OBScreen {
  31 public:
  32   //! Holds a list of OBClient objects
  33   typedef std::list<OBClient*> ClientList;
  34   //! Holds a list of otk::Strut objects
  35   typedef std::list<otk::Strut*> StrutList;
  36
  37   static const unsigned long event_mask = ColormapChangeMask |
  38                                           EnterWindowMask |
  39                                           LeaveWindowMask |
  40                                           PropertyChangeMask |
  41                                           SubstructureNotifyMask |
  42                                           SubstructureRedirectMask |
  43                                           ButtonPressMask |
  44                                           ButtonReleaseMask;
  45
  46 private:
  47   //! Was %Openbox able to manage the screen?
  48   bool _managed;
  49
  50   //! The number of the screen on the X server
  51   int _number;
  52
  53   //! Information about this screen
  54   const otk::ScreenInfo *_info;
  55
  56   //! The Image Control used for rendering on the screen
  57   otk::BImageControl *_image_control;
  58
  59   //! The style with which to render on the screen
  60   otk::Style _style;
  61
  62   OBRootWindow _root;
  63
  64   //! Is the root colormap currently installed?
  65   bool _root_cmap_installed;
  66
  67   //! All managed clients on the screen
  68   ClientList _clients;
  69
  70   //! Area usable for placement etc (total - struts)
  71   otk::Rect _area;
  72
  73   //! Areas of the screen reserved by applications
  74   StrutList _struts;
  75
  76
  77   //! Calculate the OBScreen::_area member
  78   void calcArea();
  79   //! Set the client list on the root window
  80   /*!
  81     Sets the _NET_CLIENT_LIST root window property.<br>
  82     Also calls OBScreen::updateStackingList.
  83   */
  84   void setClientList();
  85   //! Set the client stacking list on the root window
  86   /*!
  87     Set the _NET_CLIENT_LIST_STACKING root window property.
  88   */
  89   void setStackingList();
  90   //! Set the work area hint on the root window
  91   /*!
  92     Set the _NET_WORKAREA root window property.
  93   */
  94   void setWorkArea();
  95
  96 public:
  97   //! Constructs a new OBScreen object
  98   OBScreen(int screen, const otk::Configuration &config);
  99   //! Destroys the OBScreen object
 100   virtual ~OBScreen();
 101
 102   //! Returns if the screen was successfully managed
 103   /*!
 104     If this is false, then the screen should be deleted and should NOT be
 105     used.
 106   */
 107   inline bool managed() const { return _managed; }
 108   //! Returns the Image Control used for rendering on the screen
 109   inline otk::BImageControl *imageControl() { return _image_control; }
 110   //! Returns the area of the screen not reserved by applications' Struts
 111   inline const otk::Rect &area() const { return _area; }
 112   //! Returns the style in use on the screen
 113   inline const otk::Style *style() const { return &_style; }
 114
 115
 116   //! Adds a window's strut to the screen's list of reserved spaces
 117   void addStrut(otk::Strut *strut);
 118   //! Removes a window's strut from the screen's list of reserved spaces
 119   void removeStrut(otk::Strut *strut);
 120
 121   //! Loads a new style on the screen
 122   void loadStyle(const otk::Configuration &config);
 123
 124   //! Manage any pre-existing windows on the screen
 125   void manageExisting();
 126   //! Manage a client window
 127   /*!
 128     This gives the window a frame, reparents it, selects events on it, etc.
 129   */
 130   void manageWindow(Window window);
 131   //! Unmanage a client
 132   /*!
 133     This removes the window's frame, reparents it to root, unselects events on
 134     it, etc.
 135   */
 136   void unmanageWindow(OBClient *client);
 137 };
 138
 139 }
 140
 141 #endif// __screen_hh