headers/os/interface/GroupLayoutBuilder.h

   1 /*
   2  * Copyright 2006-2010, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _GROUP_LAYOUT_BUILDER_H
   6 #define _GROUP_LAYOUT_BUILDER_H
   7
   8 #include <GroupLayout.h>
   9 #include <GroupView.h>
  10 #include <List.h>
  11
  12 class BGroupLayoutBuilder {
  13 public:
  14                                                                 BGroupLayoutBuilder(
  15                                                                         orientation orientation = B_HORIZONTAL,
  16                                                                         float spacing = B_USE_DEFAULT_SPACING);
  17                                                                 BGroupLayoutBuilder(BGroupLayout* layout);
  18                                                                 BGroupLayoutBuilder(BGroupView* view);
  19
  20                         BGroupLayout*           RootLayout() const;
  21                         BGroupLayout*           TopLayout() const;
  22                         BGroupLayoutBuilder& GetTopLayout(BGroupLayout** _layout);
  23                         BView*                          TopView() const;
  24                         BGroupLayoutBuilder& GetTopView(BView** _view);
  25
  26                         BGroupLayoutBuilder& Add(BView* view);
  27                         BGroupLayoutBuilder& Add(BView* view, float weight);
  28                         BGroupLayoutBuilder& Add(BLayoutItem* item);
  29                         BGroupLayoutBuilder& Add(BLayoutItem* item, float weight);
  30
  31                         BGroupLayoutBuilder& AddGroup(orientation orientation,
  32                                                                         float spacing = B_USE_DEFAULT_SPACING,
  33                                                                         float weight = 1.0f);
  34                         BGroupLayoutBuilder& End();
  35
  36                         BGroupLayoutBuilder& AddGlue(float weight = 1.0f);
  37                         BGroupLayoutBuilder& AddStrut(float size);
  38
  39                         BGroupLayoutBuilder& SetInsets(float left, float top, float right,
  40                                                                         float bottom);
  41
  42                                                                 operator BGroupLayout*();
  43
  44 private:
  45                         bool                            _PushLayout(BGroupLayout* layout);
  46                         void                            _PopLayout();
  47
  48 private:
  49                         BGroupLayout*           fRootLayout;
  50                         BList                           fLayoutStack;
  51 };
  52
  53 #endif  // _GROUP_LAYOUT_BUILDER_H