layoutmanager.h

   1 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
   2 // layoutmanager.h\r
   3 \r
   4 \r
   5 #ifndef _LAYOUTMANAGER_H\r
   6 #  define _LAYOUTMANAGER_H\r
   7 \r
   8 #  include "misc.h"\r
   9 #  include <list>\r
  10 \r
  11 \r
  12 ///\r
  13 class LayoutManager\r
  14 {\r
  15 public:\r
  16         ///\r
  17         enum Origin {\r
  18                 ORIGIN_LEFT_EDGE,                               ///\r
  19                 ORIGIN_TOP_EDGE = ORIGIN_LEFT_EDGE,             ///\r
  20                 ORIGIN_CENTER,                          ///\r
  21                 ORIGIN_RIGHT_EDGE,                              ///\r
  22                 ORIGIN_BOTTOM_EDGE = ORIGIN_RIGHT_EDGE, ///\r
  23         };\r
  24 \r
  25         ///\r
  26         enum Restrict {\r
  27                 RESTRICT_NONE = 0,                              ///\r
  28                 RESTRICT_HORIZONTALLY = 1,                      ///\r
  29                 RESTRICT_VERTICALLY = 2,                        ///\r
  30                 RESTRICT_BOTH = RESTRICT_HORIZONTALLY | RESTRICT_VERTICALLY, ///\r
  31         };\r
  32 \r
  33 private:\r
  34         ///\r
  35         class Item\r
  36         {\r
  37         public:\r
  38                 HWND m_hwnd;                            ///\r
  39                 HWND m_hwndParent;                              ///\r
  40                 RECT m_rc;                                      ///\r
  41                 RECT m_rcParent;                                ///\r
  42                 Origin m_origin[4];                             ///\r
  43         };\r
  44 \r
  45         ///\r
  46         class SmallestSize\r
  47         {\r
  48         public:\r
  49                 HWND m_hwnd;                            ///\r
  50                 SIZE m_size;                            ///\r
  51 \r
  52         public:\r
  53                 ///\r
  54                 SmallestSize() : m_hwnd(NULL) { }\r
  55         };\r
  56 \r
  57         typedef std::list<Item> Items;          ///\r
  58 \r
  59 protected:\r
  60         HWND m_hwnd;                                    ///\r
  61 \r
  62 private:\r
  63         Items m_items;                          ///\r
  64         Restrict m_smallestRestriction;         ///\r
  65         SIZE m_smallestSize;                            ///\r
  66         Restrict m_largestRestriction;          ///\r
  67         SIZE m_largestSize;                             ///\r
  68 \r
  69 public:\r
  70         ///\r
  71         LayoutManager(HWND i_hwnd);\r
  72 \r
  73         /** restrict the smallest size of the window to the current size of it or\r
  74             specified by i_size */\r
  75         void restrictSmallestSize(Restrict i_restrict = RESTRICT_BOTH,\r
  76                                                           SIZE *i_size = NULL);\r
  77 \r
  78         /** restrict the largest size of the window to the current size of it or\r
  79             specified by i_size */\r
  80         void restrictLargestSize(Restrict i_restrict = RESTRICT_BOTH,\r
  81                                                          SIZE *i_size = NULL);\r
  82 \r
  83         ///\r
  84         bool addItem(HWND i_hwnd,\r
  85                                  Origin i_originLeft = ORIGIN_LEFT_EDGE,\r
  86                                  Origin i_originTop = ORIGIN_TOP_EDGE,\r
  87                                  Origin i_originRight = ORIGIN_LEFT_EDGE,\r
  88                                  Origin i_originBottom = ORIGIN_TOP_EDGE);\r
  89         ///\r
  90         void adjust() const;\r
  91 \r
  92         /// draw size box\r
  93         virtual BOOL wmPaint();\r
  94 \r
  95         /// size restriction\r
  96         virtual BOOL wmSizing(int i_edge, RECT *io_rc);\r
  97 \r
  98         /// hittest for size box\r
  99         virtual BOOL wmNcHitTest(int i_x, int i_y);\r
 100 \r
 101         /// WM_SIZE\r
 102         virtual BOOL wmSize(DWORD /* i_fwSizeType */, short /* i_nWidth */,\r
 103                                                 short /* i_nHeight */);\r
 104 \r
 105         /// forward message\r
 106         virtual BOOL defaultWMHandler(UINT i_message, WPARAM i_wParam,\r
 107                                                                   LPARAM i_lParam);\r
 108 };\r
 109 \r
 110 \r
 111 #endif // !_LAYOUTMANAGER_H\r