mainfrm.cpp

一个完整的编辑器的代码（很值得参考

///////////////////////////////////////////////////////////////////////////
//  File:    mainfrm.cpp
//  Version: 1.1.0.4
//  Updated: 19-Jul-1998
//
//  Main frame core
//
//  Copyright:  Ferdinand Prantl, portions by Stcherbatchenko Andrei
//  E-mail:     [e-mail]
//
//  You are free to use or modify this code to the following restrictions:
//  - Acknowledge me somewhere in your about box, simple "Parts of code by.."
//  will be enough. If you can't (or don't want to), contact me personally.
//  - LEAVE THIS HEADER INTACT
////////////////////////////////////////////////////////////////////////////

// mainfrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "editpad.h"

#include "mainfrm.h"
#include "editcmd.h"
#include "registry.h"
#include "editreg.h"
#include "editpaddoc.h"
#include "ccrystaltextbuffer.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE (CMainFrame, CBCGFrameWnd)

#define CONTROL_BARS _T("Control Bars")

const int iMaxUserToolbars = 10;
const UINT uiFirstUserToolBarId	= AFX_IDW_CONTROLBAR_FIRST + 40;
const UINT uiLastUserToolBarId	= uiFirstUserToolBarId + iMaxUserToolbars - 1;

BEGIN_MESSAGE_MAP (CMainFrame, CBCGFrameWnd)
//{{AFX_MSG_MAP(CMainFrame)
ON_WM_CREATE ()
ON_WM_CLOSE()
ON_WM_SETFOCUS()
ON_COMMAND(ID_VIEW_FULL_SCREEN, OnViewFullScreen)
ON_UPDATE_COMMAND_UI(ID_VIEW_FULL_SCREEN, OnUpdateViewFullScreen)
ON_COMMAND_EX_RANGE(ID_ENCODING_FIRST, ID_ENCODING_LAST, OnEncoding)
ON_UPDATE_COMMAND_UI(ID_ENCODING_FIRST, OnUpdateEncoding)
//}}AFX_MSG_MAP
// Global help commands
ON_COMMAND (ID_HELP_FINDER, CBCGFrameWnd::OnHelpFinder)
ON_COMMAND (ID_HELP, CBCGFrameWnd::OnHelp)
ON_COMMAND (ID_CONTEXT_HELP, CBCGFrameWnd::OnContextHelp)
ON_COMMAND (ID_DEFAULT_HELP, CBCGFrameWnd::OnHelpFinder)
ON_COMMAND (ID_VIEW_CUSTOMIZE, OnViewCustomize)
ON_REGISTERED_MESSAGE (BCGM_RESETTOOLBAR, OnToolbarReset)
ON_REGISTERED_MESSAGE (BCGM_TOOLBARMENU, OnToolbarContextMenu)
ON_COMMAND_EX_RANGE(ID_VIEW_USER_TOOLBAR1, ID_VIEW_USER_TOOLBAR1 + iMaxUserToolbars - 1, OnToolsViewUserToolbar)
ON_UPDATE_COMMAND_UI_RANGE(ID_VIEW_USER_TOOLBAR1, ID_VIEW_USER_TOOLBAR1 + iMaxUserToolbars - 1, OnUpdateToolsViewUserToolbar)
ON_REGISTERED_MESSAGE (BCGM_CUSTOMIZEHELP, OnHelpCustomizeToolbars)
END_MESSAGE_MAP ()

static UINT indicators[] =
  {
    ID_SEPARATOR,            // status line indicator
    ID_EDIT_INDICATOR_POSITION,
    ID_INDICATOR_OVR,
    ID_EDIT_INDICATOR_READ,
    ID_EDIT_INDICATOR_CRLF,
    ID_INDICATOR_CAPS,
    ID_INDICATOR_NUM,
    ID_INDICATOR_SCRL,
    ID_INDICATOR_TIME
  };

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame ()
{
  // m_bFirst = TRUE;
	m_bFullScreen = false;
}

CMainFrame:: ~ CMainFrame ()
{
}

void CMainFrame::FullScreenOn ()
{
	// m_bToolBarWasVisible = m_wndToolBar.IsWindowVisible () != FALSE;
  // if (m_bToolBarWasVisible)
	//   m_wndToolBar.ShowWindow (SW_HIDE);
	m_bStatusBarWasVisible = m_wndStatusBar.IsWindowVisible () != FALSE;
  if (m_bStatusBarWasVisible)
	  m_wndStatusBar.ShowWindow (SW_HIDE);
	// first create the new toolbar
	// this will contain the full-screen off button
	m_pwndFullScreenBar = new CToolBar;
	m_pwndFullScreenBar->Create (this);
	m_pwndFullScreenBar->LoadToolBar (IDR_FULLSCREEN);
	m_pwndFullScreenBar->SetBarStyle (m_pwndFullScreenBar->GetBarStyle() |
		CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC);
	// to look better:
	m_pwndFullScreenBar->ModifyStyle (0, TBSTYLE_FLAT);
	m_pwndFullScreenBar->EnableDocking (0);
	// place the full-screen off button somewhere:
	CPoint pt(600, 440);
	FloatControlBar (m_pwndFullScreenBar, pt);
	// remove the caption of the mainWnd:
	LONG style = ::GetWindowLong (m_hWnd, GWL_STYLE);
	m_bMax = style & WS_MAXIMIZE ? true : false;
	if (m_bMax)
    ShowWindow (SW_RESTORE);
	// now save the old positions of the main and child windows
	GetWindowRect (&m_mainRect);
	style &= ~(WS_CAPTION|WS_MAXIMIZE);
	::SetWindowLong (m_hWnd, GWL_STYLE, style);
	int screenx = GetSystemMetrics (SM_CXSCREEN);
	int screeny = GetSystemMetrics (SM_CYSCREEN);
	// resize:
	SetWindowPos (NULL, -4, -4, screenx + 8, screeny + 8, SWP_NOZORDER);
	style = ::GetWindowLong (m_hWnd, GWL_STYLE);
	RecalcLayout ();
	m_bFullScreen = true;
}

void CMainFrame::FullScreenOff ()
{
	// You can use SaveBarState() in OnClose(),
	// so remove the newly added toolbar entirely
	// in order SaveBarState() not
	// to save its state. That is why I used dynamic
	// allocation
	delete m_pwndFullScreenBar;
	LONG style = ::GetWindowLong (m_hWnd, GWL_STYLE);
	style |= WS_CAPTION;
	::SetWindowLong (m_hWnd, GWL_STYLE, style);
	// if (m_bToolBarWasVisible)
	//	m_wndToolBar.ShowWindow (SW_SHOW);
	if (m_bStatusBarWasVisible)
		m_wndStatusBar.ShowWindow (SW_SHOW);
	MoveWindow (&m_mainRect);
	RecalcLayout ();
	if (m_bMax)
    ShowWindow (SW_SHOWMAXIMIZED);
	m_bFullScreen = false;
}

BOOL CMainFrame::
PreCreateWindow (CREATESTRUCT & cs)
{
  CReg reg;
  if (reg.Open (HKEY_CURRENT_USER, REG_EDITPAD_SINGLE, KEY_READ))
    {
      // reg.LoadNumber (_T ("ShowFlags"), (DWORD*) &status.flags);
      reg.LoadNumber (_T ("ShowCmd"), (DWORD*) &theApp.m_nCmdShow);

      if (reg.LoadNumber (_T ("Left"), (DWORD*) &cs.x) &&
        reg.LoadNumber (_T ("Right"), (DWORD*) &cs.cx))
        {
          cs.cx -= cs.x;
        }
      if (reg.LoadNumber (_T ("Top"), (DWORD*) &cs.y) &&
        reg.LoadNumber (_T ("Bottom"), (DWORD*) &cs.cy))
        {
          cs.cy -= cs.y;
        }
    }

  if (!CBCGFrameWnd::PreCreateWindow (cs))
    return FALSE;

  return TRUE;
}

int CMainFrame::
OnCreate (LPCREATESTRUCT lpCreateStruct)
{
  if (CBCGFrameWnd::OnCreate (lpCreateStruct) == -1)
    return -1;
  //--------------------------
  // Load toolbar user images:
  //--------------------------
  if (!m_UserImages.Load (_T(".\\usrimgs.bmp")))
  {
    TRACE(_T("Failed to load user images\n"));
    ASSERT (FALSE);
  }
  else
  {
    CBCGToolBar::SetUserImages (&m_UserImages);
  }

	CBCGToolBar::EnableQuickCustomization ();

  CList<UINT, UINT>	lstBasicCoomads;

  lstBasicCoomads.AddTail (ID_FILE_NEW);
  lstBasicCoomads.AddTail (ID_FILE_OPEN);
  lstBasicCoomads.AddTail (ID_FILE_SAVE);
  lstBasicCoomads.AddTail (ID_FILE_PRINT);
  lstBasicCoomads.AddTail (ID_APP_EXIT);
  lstBasicCoomads.AddTail (ID_EDIT_UNDO);
  lstBasicCoomads.AddTail (ID_EDIT_CUT);
  lstBasicCoomads.AddTail (ID_EDIT_COPY);
  lstBasicCoomads.AddTail (ID_EDIT_PASTE);
  lstBasicCoomads.AddTail (ID_EDIT_FIND);
  lstBasicCoomads.AddTail (ID_EDIT_REPLACE);
  lstBasicCoomads.AddTail (ID_VIEW_TOOLBAR);
  lstBasicCoomads.AddTail (ID_VIEW_TOGGLE_SRC_HDR);
  lstBasicCoomads.AddTail (ID_VIEW_CUSTOMIZE);
  lstBasicCoomads.AddTail (ID_VIEW_OPTIONS);
  lstBasicCoomads.AddTail (ID_APP_ABOUT);
  lstBasicCoomads.AddTail (ID_HELP_FINDER);

  CBCGToolBar::SetBasicCommands (lstBasicCoomads);
  if (!m_wndMenuBar.Create (this))
  {
    TRACE0 ("Failed to create menubar\n");
    return -1;      // fail to create
  }

  m_wndMenuBar.SetBarStyle (m_wndMenuBar.GetBarStyle() | CBRS_SIZE_DYNAMIC);
  if (!m_wndToolBar.CreateEx (this, TBSTYLE_FLAT, WS_CHILD|WS_VISIBLE|CBRS_TOP|CBRS_GRIPPER|CBRS_TOOLTIPS|CBRS_FLYBY|CBRS_SIZE_DYNAMIC) ||
    !m_wndToolBar.LoadToolBar (IDR_MAINFRAME))
  {
    TRACE0("Failed to create toolbar\n");
    return -1;      // fail to create
  }

  if (!m_wndStatusBar.Create (this) ||
    !m_wndStatusBar.SetIndicators (indicators, sizeof (indicators) / sizeof (UINT)))
    {
      TRACE0 ("Failed to create status bar\n");
      return -1;                // fail to create

    }

  CString strMainToolbarTitle;
  strMainToolbarTitle.LoadString (IDS_MAIN_TOOLBAR);
  m_wndToolBar.SetWindowText (strMainToolbarTitle);
  m_wndMenuBar.EnableDocking (CBRS_ALIGN_ANY);
  m_wndToolBar.EnableDocking (CBRS_ALIGN_ANY);
	EnableDocking (CBRS_ALIGN_ANY);
  m_wndToolBar.EnableCustomizeButton (TRUE, ID_VIEW_CUSTOMIZE, _T("Customize..."));
	DockControlBar (&m_wndMenuBar);
	DockControlBar (&m_wndToolBar);

	CString strControlBarRegEntry = REGISTRY_ROOT;
	strControlBarRegEntry += CONTROL_BARS;

  //--------------------------------------
  // Load general toolbar/menu parameters:
  //--------------------------------------
  CBCGToolBar::LoadParameters (strControlBarRegEntry);

  //----------------------------------------
  // Allow user-defined toolbars operations:
  //----------------------------------------
  InitUserToobars (strControlBarRegEntry, uiFirstUserToolBarId, uiLastUserToolBarId);

  //------------------------
  // Load standard toolbars:
  //------------------------
  m_wndToolBar.LoadState (strControlBarRegEntry);
  m_wndMenuBar.LoadState (strControlBarRegEntry);

  //----------------------------
  // Load user defined toolbars:
  //----------------------------
  LoadUserToolbars ();

  //-------------------------------------
  // Load control bar states and context:
  //-------------------------------------
  CDockState dockState;
  dockState.LoadState (CONTROL_BARS);

  if (IsDockStateValid (dockState))
  {
    SetDockState (dockState);
  }

  return 0;
}

BOOL CMainFrame::
OnCreateClient (LPCREATESTRUCT /*lpcs */ ,
                CCreateContext * pContext)
{
  return m_wndSplitter.Create (this,
                               2, 2,    // TODO: adjust the number of rows, columns
                               CSize (10, 10),     // TODO: adjust the minimum pane size
                               pContext);
}

void CMainFrame::OnClose()
{
  if (m_bFullScreen)
    FullScreenOff ();
  WINDOWPLACEMENT status;
  status.length = sizeof (WINDOWPLACEMENT);
  GetWindowPlacement (&status);

  CReg reg;
  if (reg.Create (HKEY_CURRENT_USER, REG_EDITPAD_SINGLE, KEY_WRITE))
    {
      VERIFY (reg.SaveNumber (_T ("ShowFlags"), status.flags));
      VERIFY (reg.SaveNumber (_T ("ShowCmd"), status.showCmd));

      VERIFY (reg.SaveNumber (_T ("Left"), status.rcNormalPosition.left));
      VERIFY (reg.SaveNumber (_T ("Top"), status.rcNormalPosition.top));
      VERIFY (reg.SaveNumber (_T ("Right"), status.rcNormalPosition.right));
      VERIFY (reg.SaveNumber (_T ("Bottom"), status.rcNormalPosition.bottom));
    }
  // SaveBarState(theApp.m_pszProfileName);
  CString strControlBarRegEntry = REGISTRY_ROOT;
  strControlBarRegEntry += CONTROL_BARS;

  //--------------------------------------
  // Save general toolbar/menu parameters:
  //--------------------------------------
  CBCGToolBar::SaveParameters (strControlBarRegEntry);

  CDockState dockState;
  GetDockState (dockState);
  dockState.SaveState (CONTROL_BARS);

  //------------------------
  // Save standard toolbars:
  //------------------------
  m_wndToolBar.SaveState (strControlBarRegEntry);
  m_wndMenuBar.SaveState (strControlBarRegEntry);

  //----------------------------
  // Save user defined toolbars:
  //----------------------------
  SaveUserToolbars ();

  //------------------
  // Save user images:
  //------------------
  m_UserImages.Save ();

  theApp.SaveCustomState ();

  CBCGFrameWnd::OnClose();
}

/*void CMainFrame::ActivateFrame(int nCmdShow)
{
	if(m_bFirst)
	{
		m_bFirst = FALSE;

		WINDOWPLACEMENT status;
		
  CReg reg;
  if (reg.Open (HKEY_CURRENT_USER, REG_EDITPAD_SINGLE, KEY_READ))
    {
    bool result =
      reg.LoadNumber (_T ("ShowFlags"), (DWORD*) &status.flags) &&
      reg.LoadNumber (_T ("ShowCmd"), (DWORD*) &status.showCmd) &&

      reg.LoadNumber (_T ("Left"), (DWORD*) &status.rcNormalPosition.left) &&
      reg.LoadNumber (_T ("Top"), (DWORD*) &status.rcNormalPosition.top) &&
      reg.LoadNumber (_T ("Right"), (DWORD*) &status.rcNormalPosition.right) &&
      reg.LoadNumber (_T ("Bottom"), (DWORD*) &status.rcNormalPosition.bottom);
    if (result)
      {
		    CRect rect;

		    status.ptMinPosition = CPoint (0,0);
		    status.ptMaxPosition = CPoint (-::GetSystemMetrics (SM_CXBORDER), -::GetSystemMetrics (SM_CYBORDER));

		    // LoadBarState(theApp.m_pszProfileName);
		    status.length = sizeof (WINDOWPLACEMENT);
		    SetWindowPlacement (&status);
        if (status.showCmd == SW_SHOWMAXIMIZED || status.showCmd == SW_SHOWMINIMIZED || status.showCmd == SW_SHOWMINNOACTIVE || SW_MINIMIZE)
          {
            ShowWindow (status.showCmd);
          }
      }
    }
	}

	CBCGFrameWnd::ActivateFrame (nCmdShow);
}*/

void CMainFrame::OnViewCustomize()
{
  //------------------------------------
  // Create a customize toolbars dialog:
  //------------------------------------
  CBCGToolbarCustomize* pDlgCust = new CBCGToolbarCustomize (this,  TRUE /* Automatic menus scaning */);

  pDlgCust->EnableUserDefinedToolbars ();
  pDlgCust->Create ();
}

void CMainFrame::OnViewFullScreen()
{
	if (m_bFullScreen)
		FullScreenOff ();
	else
    FullScreenOn ();
}

void CMainFrame::OnUpdateViewFullScreen(CCmdUI* pCmdUI)
{
	pCmdUI->SetCheck (m_bFullScreen);	
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::
AssertValid ()
const
{
  CBCGFrameWnd::AssertValid ();
}

void CMainFrame::Dump (CDumpContext & dc)
const
{
  CBCGFrameWnd::Dump (dc);
}

#endif                          //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers

//Alarm flashing until the window became focus
void CMainFrame::FlashUntilFocus ()
  {
	  m_bGotFocus = FALSE;

	  BOOL bInvert = FALSE;
	  while (!m_bGotFocus)
	    {		
		    FlashWindow (bInvert);
		    bInvert= !bInvert;
		    Sleep (500);
		    if (GetFocus() == this)
			    break;
	    }		
	  FlashWindow(FALSE);
  }

void CMainFrame::OnSetFocus (CWnd* pOldWnd)
{
	CBCGFrameWnd::OnSetFocus (pOldWnd);	
	m_bGotFocus = TRUE;	
}

LRESULT CMainFrame::OnToolbarContextMenu(WPARAM,LPARAM lp)
{
  /*CPoint point (LOWORD (lp), HIWORD(lp));

  CMenu menu;
  VERIFY(menu.LoadMenu (IDR_POPUP_TOOLBAR));

  CMenu* pPopup = menu.GetSubMenu(0);
  ASSERT(pPopup != NULL);


  CBCGPopupMenu* pPopupMenu = new CBCGPopupMenu;
  pPopupMenu->Create (this, point.x, point.y, pPopup->Detach ());*/

  CPoint point (LOWORD (lp), HIWORD(lp));

  CMenu menu;
  VERIFY(menu.LoadMenu (IDR_POPUP_TOOLBAR));

  CMenu* pPopup = menu.GetSubMenu(0);