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   //! Areas of the screen reserved by applications
  87   StrutList _struts;
  88
  89   //!  An offscreen window which gets focus when nothing else has it
  90   Window _focuswindow;
  91
  92   //! A list of all managed clients on the screen, in their stacking order
  93   ClientList _stacking;
  94
  95   //! Calculate the OBScreen::_area member
  96   void calcArea();
  97   //! Set the client list on the root window
  98   /*!
  99     Sets the _NET_CLIENT_LIST root window property.<br>
 100     Also calls OBScreen::updateStackingList.
 101   */
 102   void setClientList();
 103   //! Set the client stacking list on the root window
 104   /*!
 105     Set the _NET_CLIENT_LIST_STACKING root window property.
 106   */
 107   void setStackingList();
 108   //! Set the work area hint on the root window
 109   /*!
 110     Set the _NET_WORKAREA root window property.
 111   */
 112   void setWorkArea();
 113
 114 public:
 115 #ifndef SWIG
 116   //! Constructs a new OBScreen object
 117   OBScreen(int screen);
 118   //! Destroys the OBScreen object
 119   virtual ~OBScreen();
 120 #endif
 121
 122   inline int number() const { return _number; }
 123
 124   //! Returns if the screen was successfully managed
 125   /*!
 126     If this is false, then the screen should be deleted and should NOT be
 127     used.
 128   */
 129   inline bool managed() const { return _managed; }
 130   //! Returns the Image Control used for rendering on the screen
 131   inline otk::BImageControl *imageControl() { return _image_control; }
 132   //! Returns the area of the screen not reserved by applications' Struts
 133   inline const otk::Rect &area() const { return _area; }
 134   //! Returns the style in use on the screen
 135   inline const otk::Style *style() const { return &_style; }
 136   //!  An offscreen window which gets focus when nothing else has it
 137   inline Window focuswindow() const { return _focuswindow; }
 138
 139   //! Adds a window's strut to the screen's list of reserved spaces
 140   void addStrut(otk::Strut *strut);
 141   //! Removes a window's strut from the screen's list of reserved spaces
 142   void removeStrut(otk::Strut *strut);
 143
 144   //! Manage any pre-existing windows on the screen
 145   void manageExisting();
 146   //! Manage a client window
 147   /*!
 148     This gives the window a frame, reparents it, selects events on it, etc.
 149   */
 150   void manageWindow(Window window);
 151   //! Unmanage a client
 152   /*!
 153     This removes the window's frame, reparents it to root, unselects events on
 154     it, etc.
 155   */
 156   void unmanageWindow(OBClient *client);
 157
 158   //! Raises/Lowers a client window above/below all others in its stacking
 159   //! layer
 160   void restack(bool raise, OBClient *client);
 161 };
 162
 163 }
 164
 165 #endif// __screen_hh