src/servers/app/WindowList.h

   1 /*
   2  * Copyright (c) 2005-2008, Haiku, Inc.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Axel Dörfler, axeld@pinc-software.de
   7  */
   8 #ifndef WINDOW_LIST_H
   9 #define WINDOW_LIST_H
  10
  11
  12 #include <SupportDefs.h>
  13 #include <Point.h>
  14
  15
  16 class Window;
  17
  18
  19 class WindowList {
  20 public:
  21                                         WindowList(int32 index = 0);
  22                                         ~WindowList();
  23
  24                         void    SetIndex(int32 index);
  25                         int32   Index() const { return fIndex; }
  26
  27                         Window* FirstWindow() const { return fFirstWindow; }
  28                         Window* LastWindow() const { return fLastWindow; }
  29
  30                         void    AddWindow(Window* window, Window* before = NULL);
  31                         void    RemoveWindow(Window* window);
  32
  33                         bool    HasWindow(Window* window) const;
  34                         bool    ValidateWindow(Window* window) const;
  35
  36                         int32   Count() const;
  37                                                 // O(n)
  38
  39 private:
  40         int32                   fIndex;
  41         Window*                 fFirstWindow;
  42         Window*                 fLastWindow;
  43 };
  44
  45 enum window_lists {
  46         kAllWindowList = 32,
  47         kSubsetList,
  48         kFocusList,
  49         kWorkingList,
  50
  51         kListCount
  52 };
  53
  54 struct window_anchor {
  55         window_anchor();
  56
  57         Window* next;
  58         Window* previous;
  59         BPoint  position;
  60 };
  61
  62 extern const BPoint kInvalidWindowPosition;
  63
  64 #endif  // WINDOW_LIST_H