ext/ResizableLib/ResizableMDIChild.cpp

   1 // ResizableMDIChild.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 "ResizableMDIChild.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 // CResizableMDIChild
  31
  32 IMPLEMENT_DYNCREATE(CResizableMDIChild, CMDIChildWnd)
  33
  34 CResizableMDIChild::CResizableMDIChild()
  35 {
  36         m_bEnableSaveRestore = FALSE;
  37         m_bRectOnly = FALSE;
  38 }
  39
  40 CResizableMDIChild::~CResizableMDIChild()
  41 {
  42 }
  43
  44
  45 BEGIN_MESSAGE_MAP(CResizableMDIChild, CMDIChildWnd)
  46         //{{AFX_MSG_MAP(CResizableMDIChild)
  47         ON_WM_GETMINMAXINFO()
  48         ON_WM_SIZE()
  49         ON_WM_DESTROY()
  50         ON_WM_NCCREATE()
  51         //}}AFX_MSG_MAP
  52 END_MESSAGE_MAP()
  53
  54 /////////////////////////////////////////////////////////////////////////////
  55 // CResizableMDIChild message handlers
  56
  57 void CResizableMDIChild::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI)
  58 {
  59         // MDI should call default implementation
  60         CMDIChildWnd::OnGetMinMaxInfo(lpMMI);
  61
  62         MinMaxInfo(lpMMI);
  63
  64         CWnd* pView = GetDlgItem(AFX_IDW_PANE_FIRST);//GetActiveView();
  65         if (pView != NULL)
  66                 ChainMinMaxInfo(lpMMI, this, pView);
  67 }
  68
  69 void CResizableMDIChild::OnSize(UINT nType, int cx, int cy)
  70 {
  71         CMDIChildWnd::OnSize(nType, cx, cy);
  72
  73 /* Why was this necessary???
  74
  75         // make sure the MDI parent frame doesn't clip
  76         // this child window when it is maximized
  77         if (nType == SIZE_MAXIMIZED)
  78         {
  79                 CMDIFrameWnd* pFrame = GetMDIFrame();
  80
  81                 CRect rect;
  82                 pFrame->GetWindowRect(rect);
  83                 pFrame->MoveWindow(rect);
  84         }
  85 /*/
  86 }
  87
  88 // NOTE: this must be called after setting the layout
  89 //       to have the view and its controls displayed properly
  90 BOOL CResizableMDIChild::EnableSaveRestore(LPCTSTR pszSection, BOOL bRectOnly)
  91 {
  92         m_sSection = pszSection;
  93
  94         m_bEnableSaveRestore = TRUE;
  95         m_bRectOnly = bRectOnly;
  96
  97         // restore immediately
  98         return LoadWindowRect(pszSection, bRectOnly);
  99 }
 100
 101 void CResizableMDIChild::OnDestroy()
 102 {
 103         if (m_bEnableSaveRestore)
 104                 SaveWindowRect(m_sSection, m_bRectOnly);
 105
 106         CMDIChildWnd::OnDestroy();
 107 }
 108
 109
 110 LRESULT CResizableMDIChild::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
 111 {
 112         if (message != WM_NCCALCSIZE || wParam == 0)
 113                 return CMDIChildWnd::WindowProc(message, wParam, lParam);
 114
 115         // specifying valid rects needs controls already anchored
 116         LRESULT lResult = 0;
 117         HandleNcCalcSize(FALSE, (LPNCCALCSIZE_PARAMS)lParam, lResult);
 118         lResult = CMDIChildWnd::WindowProc(message, wParam, lParam);
 119         HandleNcCalcSize(TRUE, (LPNCCALCSIZE_PARAMS)lParam, lResult);
 120         return lResult;
 121 }
 122
 123 BOOL CResizableMDIChild::OnNcCreate(LPCREATESTRUCT lpCreateStruct)
 124 {
 125         if (!CMDIChildWnd::OnNcCreate(lpCreateStruct))
 126                 return FALSE;
 127         ModifyStyle(0, WS_CLIPCHILDREN);
 128         return TRUE;
 129 }