ext/ResizableLib/ResizableFrame.cpp

   1 // ResizableFrame.cpp : implementation file
   2 //
   3 /////////////////////////////////////////////////////////////////////////////
   4 //
   5 // This file is part of ResizableLib
   6 // http://sourceforge.net/projects/resizablelib
   7 //
   8 // Copyright (C) 2000-2004 by Paolo Messina
   9 // http://www.geocities.com/ppescher - mailto:ppescher@hotmail.com
  10 //
  11 // The contents of this file are subject to the Artistic License (the "License").
  12 // You may not use this file except in compliance with the License.
  13 // You may obtain a copy of the License at:
  14 // http://www.opensource.org/licenses/artistic-license.html
  15 //
  16 // If you find this code useful, credits would be nice!
  17 //
  18 /////////////////////////////////////////////////////////////////////////////
  19
  20 #include "stdafx.h"
  21 #include "ResizableFrame.h"
  22
  23 #ifdef _DEBUG
  24 #define new DEBUG_NEW
  25 #undef THIS_FILE
  26 static char THIS_FILE[] = __FILE__;
  27 #endif
  28
  29 /////////////////////////////////////////////////////////////////////////////
  30 // CResizableFrame
  31
  32 IMPLEMENT_DYNCREATE(CResizableFrame, CFrameWnd)
  33
  34 CResizableFrame::CResizableFrame()
  35 {
  36         m_bEnableSaveRestore = FALSE;
  37         m_bRectOnly = FALSE;
  38 }
  39
  40 CResizableFrame::~CResizableFrame()
  41 {
  42 }
  43
  44
  45 BEGIN_MESSAGE_MAP(CResizableFrame, CFrameWnd)
  46         //{{AFX_MSG_MAP(CResizableFrame)
  47         ON_WM_GETMINMAXINFO()
  48         ON_WM_DESTROY()
  49         ON_WM_NCCREATE()
  50         ON_WM_WINDOWPOSCHANGING()
  51         //}}AFX_MSG_MAP
  52 END_MESSAGE_MAP()
  53
  54 /////////////////////////////////////////////////////////////////////////////
  55 // CResizableFrame message handlers
  56
  57 void CResizableFrame::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI)
  58 {
  59         MinMaxInfo(lpMMI);
  60
  61         CView* pView = GetActiveView();
  62         if (pView == NULL)
  63                 return;
  64
  65         ChainMinMaxInfo(lpMMI, this, pView);
  66 }
  67
  68 // NOTE: this must be called after setting the layout
  69 //       to have the view and its controls displayed properly
  70 BOOL CResizableFrame::EnableSaveRestore(LPCTSTR pszSection, BOOL bRectOnly)
  71 {
  72         m_sSection = pszSection;
  73
  74         m_bEnableSaveRestore = TRUE;
  75         m_bRectOnly = bRectOnly;
  76
  77         // restore immediately
  78         return LoadWindowRect(pszSection, bRectOnly);
  79 }
  80
  81 void CResizableFrame::OnDestroy()
  82 {
  83         if (m_bEnableSaveRestore)
  84                 SaveWindowRect(m_sSection, m_bRectOnly);
  85
  86         CFrameWnd::OnDestroy();
  87 }
  88
  89 BOOL CResizableFrame::OnNcCreate(LPCREATESTRUCT lpCreateStruct)
  90 {
  91         if (!CFrameWnd::OnNcCreate(lpCreateStruct))
  92                 return FALSE;
  93
  94         MakeResizable(lpCreateStruct);
  95
  96         return TRUE;
  97 }
  98
  99 LRESULT CResizableFrame::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
 100 {
 101         if (message != WM_NCCALCSIZE || wParam == 0)
 102                 return CFrameWnd::WindowProc(message, wParam, lParam);
 103
 104         // specifying valid rects needs controls already anchored
 105         LRESULT lResult = 0;
 106         HandleNcCalcSize(FALSE, (LPNCCALCSIZE_PARAMS)lParam, lResult);
 107         lResult = CFrameWnd::WindowProc(message, wParam, lParam);
 108         HandleNcCalcSize(TRUE, (LPNCCALCSIZE_PARAMS)lParam, lResult);
 109         return lResult;
 110 }
 111
 112 // TODO: implement this in CResizableMinMax
 113 // We definitely need pluggable message handlers ala WTL!
 114 void CResizableFrame::OnWindowPosChanging(WINDOWPOS FAR* lpwndpos)
 115 {
 116         if ((lpwndpos->flags & (SWP_NOSIZE|SWP_NOMOVE)) != (SWP_NOSIZE|SWP_NOMOVE))
 117                 CFrameWnd::OnWindowPosChanging(lpwndpos);
 118 }