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