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   enum StackLayer {
  47     Layer_Icon,       // 0 - iconified windows, in any order at all
  48     Layer_Desktop,    // 1 - desktop windows
  49     Layer_Below,      // 2 - normal windows w/ below
  50     Layer_Normal,     // 3 - normal windows
  51     Layer_Above,      // 4 - normal windows w/ above
  52     Layer_Top,        // 5 - always-on-top-windows (docks?)
  53     Layer_Fullscreen, // 6 - fullscreeen windows
  54     Layer_Internal,   // 7 - openbox windows/menus
  55     NUM_LAYERS
  56   };
  57
  58   //! All managed clients on the screen (in order of being mapped)
  59   ClientList clients;
  60
  61 private:
  62   //! Was %Openbox able to manage the screen?
  63   bool _managed;
  64
  65   //! The number of the screen on the X server
  66   int _number;
  67
  68   //! Information about this screen
  69   const otk::ScreenInfo *_info;
  70
  71   //! The Image Control used for rendering on the screen
  72   otk::BImageControl *_image_control;
  73
  74   //! The style with which to render on the screen
  75   otk::Style _style;
  76
  77   //! The screen's root window
  78   OBRootWindow _root;
  79
  80   //! Is the root colormap currently installed?
  81   bool _root_cmap_installed;
  82
  83   //! Area usable for placement etc (total - struts)
  84   otk::Rect _area;
  85
  86   //! Combined strut from all of the clients' struts
  87   otk::Strut _strut;
  88
  89   //!  An offscreen window which gets focus when nothing else has it
  90   Window _focuswindow;
  91
  92   //! An offscreen window which shows that a NETWM compliant window manager is
  93   //! running
  94   Window _supportwindow;
  95
  96   //! A list of all managed clients on the screen, in their stacking order
  97   ClientList _stacking;
  98
  99   //! Calculate the OBScreen::_area member
 100   void calcArea();
 101   //! Set the list of supported NETWM atoms on the root window
 102   void setSupportedAtoms();
 103   //! Set the client list on the root window
 104   /*!
 105     Sets the _NET_CLIENT_LIST root window property.<br>
 106     Also calls OBScreen::updateStackingList.
 107   */
 108   void setClientList();
 109   //! Set the client stacking list on the root window
 110   /*!
 111     Set the _NET_CLIENT_LIST_STACKING root window property.
 112   */
 113   void setStackingList();
 114   //! Set the work area hint on the root window
 115   /*!
 116     Set the _NET_WORKAREA root window property.
 117   */
 118   void setWorkArea();
 119
 120 public:
 121 #ifndef SWIG
 122   //! Constructs a new OBScreen object
 123   OBScreen(int screen);
 124   //! Destroys the OBScreen object
 125   virtual ~OBScreen();
 126 #endif
 127
 128   inline int number() const { return _number; }
 129
 130   //! Returns if the screen was successfully managed
 131   /*!
 132     If this is false, then the screen should be deleted and should NOT be
 133     used.
 134   */
 135   inline bool managed() const { return _managed; }
 136   //! Returns the Image Control used for rendering on the screen
 137   inline otk::BImageControl *imageControl() { return _image_control; }
 138   //! Returns the area of the screen not reserved by applications' Struts
 139   inline const otk::Rect &area() const { return _area; }
 140   //! Returns the style in use on the screen
 141   inline const otk::Style *style() const { return &_style; }
 142   //!  An offscreen window which gets focus when nothing else has it
 143   inline Window focuswindow() const { return _focuswindow; }
 144
 145   //! Update's the screen's combined strut of all the clients.
 146   /*!
 147     Clients should call this whenever they change their strut.
 148   */
 149   void updateStrut();
 150
 151   //! Manage any pre-existing windows on the screen
 152   void manageExisting();
 153   //! Manage a client window
 154   /*!
 155     This gives the window a frame, reparents it, selects events on it, etc.
 156   */
 157   void manageWindow(Window window);
 158   //! Unmanage a client
 159   /*!
 160     This removes the window's frame, reparents it to root, unselects events on
 161     it, etc.
 162   */
 163   void unmanageWindow(OBClient *client);
 164
 165   //! Raises/Lowers a client window above/below all others in its stacking
 166   //! layer
 167   void restack(bool raise, OBClient *client);
 168 };
 169
 170 }
 171
 172 #endif// __screen_hh