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