Src/Win32/Widgets/Splitter.cpp

   1 // Splitter.cpp
   2 //
   3 /////////////////////////////////////////////////////////////////////////////
   4 //
   5 // Copyright (c) 2002 Iain Murray, Inference Group, Cavendish, Cambridge.
   6 //
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #include "WinCommon.h"
  10 #include "Splitter.h"
  11
  12 // For WinCE
  13 #ifndef MAKEPOINTS
  14 #define MAKEPOINTS(l)   (*((POINTS FAR *) & (l)))
  15 #endif
  16
  17 /////////////////////////////////////////////////////////////////////////////
  18
  19 CSplitter::CSplitter(CSplitterOwner* pOwner, int iPos)
  20           :     m_SplitStatus(None), m_iPos(iPos), m_pOwner(pOwner)
  21 {
  22
  23 }
  24
  25 /////////////////////////////////////////////////////////////////////////////
  26
  27 HWND CSplitter::Create(HWND hParent)
  28 {
  29         return CWindowImpl<CSplitter>::Create(hParent,NULL,NULL,WS_CHILD | WS_VISIBLE);
  30 }
  31
  32 /////////////////////////////////////////////////////////////////////////////
  33
  34 void CSplitter::Move(int iPos, int Width)
  35 {
  36         m_iPos = iPos;
  37         MoveWindow(0, m_iPos, Width, GetSystemMetrics(SM_CYSIZEFRAME), TRUE);
  38 }
  39
  40 /////////////////////////////////////////////////////////////////////////////
  41
  42 LRESULT CSplitter::OnLButtonDown(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
  43 {
  44         bHandled = TRUE;
  45         m_SplitStatus = Sizing;
  46     SetCapture();
  47         return 0;
  48 }
  49
  50 /////////////////////////////////////////////////////////////////////////////
  51
  52 LRESULT CSplitter::OnLButtonUp(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
  53 {
  54         bHandled = TRUE;
  55         if( m_SplitStatus == Sizing)
  56         {
  57                 m_SplitStatus = None;
  58                 ReleaseCapture();
  59         }
  60         return 0;
  61 }
  62
  63 /////////////////////////////////////////////////////////////////////////////
  64
  65 LRESULT CSplitter::OnMouseMove(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
  66 {
  67         bHandled = TRUE;
  68         POINTS Tmp = MAKEPOINTS(lParam);
  69         POINT MousePos;
  70         MousePos.x = Tmp.x;
  71         MousePos.y = Tmp.y;
  72         MapWindowPoints( GetParent(), &MousePos, 1);
  73
  74         if( m_SplitStatus == Sizing)
  75         {
  76                 RECT ParentRect, MyRect;
  77                 ::GetWindowRect( GetParent(), &ParentRect);
  78                 GetWindowRect(&MyRect);
  79                 m_iPos = MousePos.y - GetSystemMetrics(SM_CYSIZEFRAME) / 2;
  80                 // Layout();
  81                 m_pOwner->Layout();
  82         }
  83         return 0;
  84 }
  85 /////////////////////////////////////////////////////////////////////////////
  86