headers/os/interface/SpaceLayoutItem.h

   1 /*
   2  * Copyright 2006, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _SPACE_LAYOUT_ITEM_H
   6 #define _SPACE_LAYOUT_ITEM_H
   7
   8 #include <LayoutItem.h>
   9
  10
  11 class BSpaceLayoutItem : public BLayoutItem {
  12 public:
  13                                                                 BSpaceLayoutItem(BSize minSize, BSize maxSize,
  14                                                                         BSize preferredSize, BAlignment alignment);
  15                                                                 BSpaceLayoutItem(BMessage* archive);
  16         virtual                                         ~BSpaceLayoutItem();
  17
  18         static  BSpaceLayoutItem*       CreateGlue();
  19         static  BSpaceLayoutItem*       CreateHorizontalStrut(float width);
  20         static  BSpaceLayoutItem*       CreateVerticalStrut(float height);
  21
  22         virtual BSize                           MinSize();
  23         virtual BSize                           MaxSize();
  24         virtual BSize                           PreferredSize();
  25         virtual BAlignment                      Alignment();
  26
  27         virtual void                            SetExplicitMinSize(BSize size);
  28         virtual void                            SetExplicitMaxSize(BSize size);
  29         virtual void                            SetExplicitPreferredSize(BSize size);
  30         virtual void                            SetExplicitAlignment(BAlignment alignment);
  31
  32         virtual bool                            IsVisible();
  33         virtual void                            SetVisible(bool visible);
  34
  35         virtual BRect                           Frame();
  36         virtual void                            SetFrame(BRect frame);
  37
  38         virtual status_t                        Archive(BMessage* into, bool deep = true) const;
  39         static  BArchivable*            Instantiate(BMessage* from);
  40
  41 private:
  42         // FBC padding
  43         virtual void                            _ReservedSpaceLayoutItem1();
  44         virtual void                            _ReservedSpaceLayoutItem2();
  45         virtual void                            _ReservedSpaceLayoutItem3();
  46         virtual void                            _ReservedSpaceLayoutItem4();
  47         virtual void                            _ReservedSpaceLayoutItem5();
  48         virtual void                            _ReservedSpaceLayoutItem6();
  49         virtual void                            _ReservedSpaceLayoutItem7();
  50         virtual void                            _ReservedSpaceLayoutItem8();
  51         virtual void                            _ReservedSpaceLayoutItem9();
  52         virtual void                            _ReservedSpaceLayoutItem10();
  53
  54         // forbidden methods
  55                                                                 BSpaceLayoutItem(const BSpaceLayoutItem&);
  56                         void                            operator =(const BSpaceLayoutItem&);
  57
  58                         BRect                           fFrame;
  59                         BSize                           fMinSize;
  60                         BSize                           fMaxSize;
  61                         BSize                           fPreferredSize;
  62                         BAlignment                      fAlignment;
  63                         bool                            fVisible;
  64
  65                         uint32                          _reserved[2];
  66 };
  67
  68 #endif  //      _SPACE_LAYOUT_ITEM_H