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 }
  38
  39 CResizableFrame::~CResizableFrame()
  40 {
  41 }
  42
  43
  44 BEGIN_MESSAGE_MAP(CResizableFrame, CFrameWnd)
  45         //{{AFX_MSG_MAP(CResizableFrame)
  46         ON_WM_GETMINMAXINFO()
  47         ON_WM_DESTROY()
  48         ON_WM_NCCREATE()
  49         ON_WM_WINDOWPOSCHANGING()
  50         //}}AFX_MSG_MAP
  51 END_MESSAGE_MAP()
  52
  53 /////////////////////////////////////////////////////////////////////////////
  54 // CResizableFrame message handlers
  55
  56 void CResizableFrame::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI)
  57 {
  58         MinMaxInfo(lpMMI);
  59
  60         CView* pView = GetActiveView();
  61         if (pView == NULL)
  62                 return;
  63
  64         ChainMinMaxInfo(lpMMI, this, pView);
  65 }
  66
  67 // NOTE: this must be called after setting the layout
  68 //       to have the view and its controls displayed properly
  69 BOOL CResizableFrame::EnableSaveRestore(LPCTSTR pszSection, BOOL bRectOnly)
  70 {
  71         m_sSection = pszSection;
  72
  73         m_bEnableSaveRestore = TRUE;
  74         m_bRectOnly = bRectOnly;
  75
  76         // restore immediately
  77         return LoadWindowRect(pszSection, bRectOnly);
  78 }
  79
  80 void CResizableFrame::OnDestroy()
  81 {
  82         if (m_bEnableSaveRestore)
  83                 SaveWindowRect(m_sSection, m_bRectOnly);
  84
  85         CFrameWnd::OnDestroy();
  86 }
  87
  88 BOOL CResizableFrame::OnNcCreate(LPCREATESTRUCT lpCreateStruct)
  89 {
  90         if (!CFrameWnd::OnNcCreate(lpCreateStruct))
  91                 return FALSE;
  92
  93         MakeResizable(lpCreateStruct);
  94
  95         return TRUE;
  96 }
  97
  98 LRESULT CResizableFrame::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
  99 {
 100         if (message != WM_NCCALCSIZE || wParam == 0)
 101                 return CFrameWnd::WindowProc(message, wParam, lParam);
 102
 103         // specifying valid rects needs controls already anchored
 104         LRESULT lResult = 0;
 105         HandleNcCalcSize(FALSE, (LPNCCALCSIZE_PARAMS)lParam, lResult);
 106         lResult = CFrameWnd::WindowProc(message, wParam, lParam);
 107         HandleNcCalcSize(TRUE, (LPNCCALCSIZE_PARAMS)lParam, lResult);
 108         return lResult;
 109 }
 110
 111 // TODO: implement this in CResizableMinMax
 112 // We definitely need pluggable message handlers ala WTL!
 113 void CResizableFrame::OnWindowPosChanging(WINDOWPOS FAR* lpwndpos)
 114 {
 115         if ((lpwndpos->flags & (SWP_NOSIZE|SWP_NOMOVE)) != (SWP_NOSIZE|SWP_NOMOVE))
 116                 CFrameWnd::OnWindowPosChanging(lpwndpos);
 117 }