home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Programming Languages Suite
/
ProgramD2.iso
/
Borland
/
Borland C++ V5.02
/
NPP.PAK
/
NPVIEW.CPP
< prev
next >
Wrap
C/C++ Source or Header
|
1997-05-06
|
7KB
|
261 lines
// npview.cpp : implementation of the CNotepadView class
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1995 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
//
#include "stdafx.h"
#include "np.h"
#include "combobar.h"
#include "mainfrm.h"
#include "npdoc.h"
#include "npview.h"
#include "gotodlg.h"
#include "finddlg.h"
#include <afxcoll.h>
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CNotepadView
IMPLEMENT_DYNCREATE(CNotepadView, CEditView)
BEGIN_MESSAGE_MAP(CNotepadView, CEditView)
//{{AFX_MSG_MAP(CNotepadView)
ON_COMMAND(ID_EDIT_GOTO, OnEditGoto)
ON_UPDATE_COMMAND_UI(ID_EDIT_GOTO, OnUpdateEditGoto)
ON_COMMAND(ID_EDIT_FIND, OnEditFind)
ON_UPDATE_COMMAND_UI(ID_EDIT_FIND, OnUpdateEditFind)
ON_COMMAND(ID_VIEW_FIND_NEXT, OnViewFindNext)
ON_COMMAND(ID_EDIT_PASTE, OnEditPaste)
ON_COMMAND(ID_EDIT_COPY, OnEditCopy)
//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CEditView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CEditView::OnFilePrintPreview)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CNotepadView construction/destruction
CNotepadView::CNotepadView()
{
m_pFindDialog = new CFindDlg;
m_pGotoDialog = new CGotoDlg;
}
CNotepadView::~CNotepadView()
{
delete m_pGotoDialog;
delete m_pFindDialog;
}
/////////////////////////////////////////////////////////////////////////////
// CNotepadView drawing
void CNotepadView::OnDraw(CDC* pDC)
{
CNotepadDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
}
/////////////////////////////////////////////////////////////////////////////
// CNotepadView printing
BOOL CNotepadView::OnPreparePrinting(CPrintInfo* pInfo)
{
// default CEditView preparation
return CEditView::OnPreparePrinting(pInfo);
}
void CNotepadView::OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo)
{
CEditView::OnBeginPrinting(pDC, pInfo);
}
void CNotepadView::OnEndPrinting(CDC* pDC, CPrintInfo* pInfo)
{
CEditView::OnEndPrinting(pDC, pInfo);
}
/////////////////////////////////////////////////////////////////////////////
// CNotepadView diagnostics
#ifdef _DEBUG
void CNotepadView::AssertValid() const
{
CEditView::AssertValid();
}
void CNotepadView::Dump(CDumpContext& dc) const
{
CEditView::Dump(dc);
}
CNotepadDoc* CNotepadView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CNotepadDoc)));
return (CNotepadDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CNotepadView message handlers
void CNotepadView::OnEditGoto()
{
if(m_pGotoDialog->DoModal() != IDOK)
return;
if(m_pGotoDialog->m_nLineNum < 1)
{
CString s1;
s1.LoadString(NPERROR_INVALID_LINENUM);
AfxMessageBox(s1);
return;
}
CEdit &edit = GetEditCtrl();
int i = edit.LineFromChar(); // this is the current line the cursor is on
int nLine = m_pGotoDialog->m_nLineNum; // line number to go to
if(nLine > (edit.GetLineCount()))
{
CString s1;
s1.LoadString(NPERROR_NUM_TOO_BIG);
AfxMessageBox(s1);
return;
}
// move window and caret
--nLine; // edit control is zero based
edit.LineScroll(nLine-i); // new line number - the current line
int idx;
idx = edit.LineIndex(nLine);
edit.SetSel(idx, idx);
}
void CNotepadView::OnUpdateEditGoto(CCmdUI* pCmdUI)
{
pCmdUI->Enable(GetWindowTextLength());
}
void CNotepadView::OnEditFind()
{
CString s1, s2;
CComboBox& comboBox = ((CMainFrame*)AfxGetMainWnd())->m_wndToolBar.m_toolBarCombo;
// add user selected text from CEditView to the buffer
GetSelectedText(s1);
s2 = m_pFindDialog->m_szText; // save old string if user cancels
if(s1.GetLength())
m_pFindDialog->m_szText = s1;
if(m_pFindDialog->DoModal() != IDOK)
{
m_pFindDialog->m_szText = s2; // restore old string. user selected cancel
return;
}
ASSERT(m_pFindDialog->m_szText.GetLength());
// add it to the combo control on the toolbar
comboBox.SetWindowText(m_pFindDialog->m_szText);
m_searchHistory.AddString(m_pFindDialog->m_szText);
if(m_pFindDialog->m_szText.GetLength())
OnFindNext(m_pFindDialog->m_szText, m_pFindDialog->m_nDirection, m_pFindDialog->m_bMatchCase);
}
void CNotepadView::OnUpdateEditFind(CCmdUI* pCmdUI)
{
pCmdUI->Enable(GetWindowTextLength());
}
void CNotepadView::OnViewFindNext(CString &s1)
{
OnFindNext(s1, m_pFindDialog->m_nDirection, m_pFindDialog->m_bMatchCase);
}
void CNotepadView::OnViewFindNext()
{
CString s1;
// if the user presses F3, see if there is a search pattern. if not, ask for one
if (m_pFindDialog->m_szText.GetLength())
OnFindNext(m_pFindDialog->m_szText, m_pFindDialog->m_nDirection, m_pFindDialog->m_bMatchCase);
else
PostMessage(WM_COMMAND, ID_EDIT_FIND);
}
BOOL CNotepadView::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext)
{
// change the view's font to SYSTEM_FIXED_FONT
CFont *font = CFont::FromHandle((HFONT)::GetStockObject(SYSTEM_FIXED_FONT));
BOOL bResult = CWnd::Create(lpszClassName, lpszWindowName, dwStyle, rect, pParentWnd, nID, pContext);
SetFont(font);
return bResult;
}
void CNotepadView::OnEditPaste()
{
CWnd* pComboWnd;
CWnd* pFocusWnd;
CComboBox& comboBox = ((CMainFrame*)AfxGetMainWnd())->m_wndToolBar.m_toolBarCombo;
// Note: this is the handler for the accelerator (CTRL+V). Since the accelerator goes to the
// frame, find who has the focus to determine where to paste to.
pFocusWnd = GetFocus();
pComboWnd = comboBox.GetDlgItem(1001);
ASSERT(pFocusWnd);
ASSERT(pComboWnd);
// if the focus is in the combobox edit control, do the paste in the control
if(pFocusWnd->m_hWnd == pComboWnd->m_hWnd)
comboBox.Paste();
else
GetEditCtrl().Paste();
}
void CNotepadView::OnEditCopy()
{
CWnd* pComboWnd;
CWnd* pFocusWnd;
CComboBox& comboBox = ((CMainFrame*)AfxGetMainWnd())->m_wndToolBar.m_toolBarCombo;
// Note: this is the handler for the accelerator (CTRL+C). Since the accelerator goes to the
// frame, find who has the focus to determine where to copy from.
pFocusWnd = GetFocus();
pComboWnd = comboBox.GetDlgItem(1001);
ASSERT(pFocusWnd);
ASSERT(pComboWnd);
// if the focus is in the combobox edit control, do the copy from the control
if(pFocusWnd->m_hWnd == pComboWnd->m_hWnd)
comboBox.Copy();
else
GetEditCtrl().Copy();
}