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   //! All managed clients on the screen
  47   ClientList clients;
  48
  49 private:
  50   //! Was %Openbox able to manage the screen?
  51   bool _managed;
  52
  53   //! The number of the screen on the X server
  54   int _number;
  55
  56   //! Information about this screen
  57   const otk::ScreenInfo *_info;
  58
  59   //! The Image Control used for rendering on the screen
  60   otk::BImageControl *_image_control;
  61
  62   //! The style with which to render on the screen
  63   otk::Style _style;
  64
  65   //! The screen's root window
  66   OBRootWindow _root;
  67
  68   //! Is the root colormap currently installed?
  69   bool _root_cmap_installed;
  70
  71   //! Area usable for placement etc (total - struts)
  72   otk::Rect _area;
  73
  74   //! Areas of the screen reserved by applications
  75   StrutList _struts;
  76
  77   //!  An offscreen window which gets focus when nothing else has it
  78   Window _focuswindow;
  79
  80
  81   //! Calculate the OBScreen::_area member
  82   void calcArea();
  83   //! Set the client list on the root window
  84   /*!
  85     Sets the _NET_CLIENT_LIST root window property.<br>
  86     Also calls OBScreen::updateStackingList.
  87   */
  88   void setClientList();
  89   //! Set the client stacking list on the root window
  90   /*!
  91     Set the _NET_CLIENT_LIST_STACKING root window property.
  92   */
  93   void setStackingList();
  94   //! Set the work area hint on the root window
  95   /*!
  96     Set the _NET_WORKAREA root window property.
  97   */
  98   void setWorkArea();
  99
 100 public:
 101 #ifndef SWIG
 102   //! Constructs a new OBScreen object
 103   OBScreen(int screen);
 104   //! Destroys the OBScreen object
 105   virtual ~OBScreen();
 106 #endif
 107
 108   //! Returns if the screen was successfully managed
 109   /*!
 110     If this is false, then the screen should be deleted and should NOT be
 111     used.
 112   */
 113   inline bool managed() const { return _managed; }
 114   //! Returns the Image Control used for rendering on the screen
 115   inline otk::BImageControl *imageControl() { return _image_control; }
 116   //! Returns the area of the screen not reserved by applications' Struts
 117   inline const otk::Rect &area() const { return _area; }
 118   //! Returns the style in use on the screen
 119   inline const otk::Style *style() const { return &_style; }
 120   //!  An offscreen window which gets focus when nothing else has it
 121   inline Window focuswindow() const { return _focuswindow; }
 122
 123   //! Adds a window's strut to the screen's list of reserved spaces
 124   void addStrut(otk::Strut *strut);
 125   //! Removes a window's strut from the screen's list of reserved spaces
 126   void removeStrut(otk::Strut *strut);
 127
 128   //! Manage any pre-existing windows on the screen
 129   void manageExisting();
 130   //! Manage a client window
 131   /*!
 132     This gives the window a frame, reparents it, selects events on it, etc.
 133   */
 134   void manageWindow(Window window);
 135   //! Unmanage a client
 136   /*!
 137     This removes the window's frame, reparents it to root, unselects events on
 138     it, etc.
 139   */
 140   void unmanageWindow(OBClient *client);
 141 };
 142
 143 }
 144
 145 #endif// __screen_hh