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 "client.hh"
  14 #include "rootwindow.hh"
  15 #include "otk/image.hh"
  16 #include "otk/strut.hh"
  17 #include "otk/rect.hh"
  18 #include "otk/style.hh"
  19 #include "otk/configuration.hh" // TEMPORARY
  20
  21 #include <string>
  22
  23 namespace ob {
  24
  25 class OBClient;
  26 class OBRootWindow;
  27
  28 //! Manages a single screen
  29 /*!
  30 */
  31 class OBScreen {
  32 public:
  33   //! Holds a list of otk::Strut objects
  34   typedef std::list<otk::Strut*> StrutList;
  35
  36   static const unsigned long event_mask = ColormapChangeMask |
  37                                           EnterWindowMask |
  38                                           LeaveWindowMask |
  39                                           PropertyChangeMask |
  40                                           SubstructureNotifyMask |
  41                                           SubstructureRedirectMask |
  42                                           ButtonPressMask |
  43                                           ButtonReleaseMask;
  44
  45   //! All managed clients on the screen (in order of being mapped)
  46   OBClient::List clients;
  47
  48 private:
  49   //! Was %Openbox able to manage the screen?
  50   bool _managed;
  51
  52   //! The number of the screen on the X server
  53   int _number;
  54
  55   //! Information about this screen
  56   const otk::ScreenInfo *_info;
  57
  58   //! The Image Control used for rendering on the screen
  59   otk::BImageControl *_image_control;
  60
  61   //! The style with which to render on the screen
  62   otk::Style _style;
  63
  64   //! The screen's root window
  65   OBRootWindow _root;
  66
  67   //! Is the root colormap currently installed?
  68   bool _root_cmap_installed;
  69
  70   //! Area usable for placement etc (total - struts)
  71   otk::Rect _area;
  72
  73   //! Combined strut from all of the clients' struts
  74   otk::Strut _strut;
  75
  76   //!  An offscreen window which gets focus when nothing else has it
  77   Window _focuswindow;
  78
  79   //! An offscreen window which shows that a NETWM compliant window manager is
  80   //! running
  81   Window _supportwindow;
  82
  83   //! A list of all managed clients on the screen, in their stacking order
  84   OBClient::List _stacking;
  85
  86   //! Calculate the OBScreen::_area member
  87   void calcArea();
  88   //! Set the list of supported NETWM atoms on the root window
  89   void setSupportedAtoms();
  90   //! Set the client list on the root window
  91   /*!
  92     Sets the _NET_CLIENT_LIST root window property.<br>
  93     Also calls OBScreen::updateStackingList.
  94   */
  95   void setClientList();
  96   //! Set the client stacking list on the root window
  97   /*!
  98     Set the _NET_CLIENT_LIST_STACKING root window property.
  99   */
 100   void setStackingList();
 101   //! Set the work area hint on the root window
 102   /*!
 103     Set the _NET_WORKAREA root window property.
 104   */
 105   void setWorkArea();
 106
 107 public:
 108 #ifndef SWIG
 109   //! Constructs a new OBScreen object
 110   OBScreen(int screen);
 111   //! Destroys the OBScreen object
 112   virtual ~OBScreen();
 113 #endif
 114
 115   inline int number() const { return _number; }
 116
 117   //! Returns if the screen was successfully managed
 118   /*!
 119     If this is false, then the screen should be deleted and should NOT be
 120     used.
 121   */
 122   inline bool managed() const { return _managed; }
 123   //! Returns the Image Control used for rendering on the screen
 124   inline otk::BImageControl *imageControl() { return _image_control; }
 125   //! Returns the area of the screen not reserved by applications' Struts
 126   inline const otk::Rect &area() const { return _area; }
 127   //! Returns the style in use on the screen
 128   inline const otk::Style *style() const { return &_style; }
 129   //!  An offscreen window which gets focus when nothing else has it
 130   inline Window focuswindow() const { return _focuswindow; }
 131
 132   //! Update's the screen's combined strut of all the clients.
 133   /*!
 134     Clients should call this whenever they change their strut.
 135   */
 136   void updateStrut();
 137
 138   //! Manage any pre-existing windows on the screen
 139   void manageExisting();
 140   //! Manage a client window
 141   /*!
 142     This gives the window a frame, reparents it, selects events on it, etc.
 143   */
 144   void manageWindow(Window window);
 145   //! Unmanage a client
 146   /*!
 147     This removes the window's frame, reparents it to root, unselects events on
 148     it, etc.
 149   */
 150   void unmanageWindow(OBClient *client);
 151
 152   //! Raises/Lowers a client window above/below all others in its stacking
 153   //! layer
 154   void restack(bool raise, OBClient *client);
 155 };
 156
 157 }
 158
 159 #endif// __screen_hh