textctrl.cpp

来自「gspiceui电子CAD仿真程序.用于电路参数模拟仿真」· C++ 代码 · 共 285 行

//*****************************************************************************
//                                 TextCtrl.cpp                               *
//                                --------------                              *
//  Started     : 21/06/2004                                                  *
//  Last Update : 20/07/2005                                                  *
//  Copyright   : (C) 2004 by MSWaters                                        *
//  Email       : [e-mail]                                         *
//*****************************************************************************

//*****************************************************************************
//                                                                            *
//    This program is free software; you can redistribute it and/or modify    *
//    it under the terms of the GNU General Public License as published by    *
//    the Free Software Foundation; either version 2 of the License, or       *
//    (at your option) any later version.                                     *
//                                                                            *
//*****************************************************************************

#include "TextCtrl.hpp"

// Initialize static varibale for class
int  TextCtrl::m_iLinesMax = TXTCTL_LINESDEF;
int  TextCtrl::m_iLinesDsp = TXTCTL_DISPDEF;

//*****************************************************************************
// Constructor.

TextCtrl::TextCtrl( void ) : wxTextCtrl( )
{
  bSetInitMsg( TXTCTL_INITMSG );
  m_iLinesCnt = 0;
}

//*****************************************************************************
// Destructor.

TextCtrl::~TextCtrl( )
{
}

//*****************************************************************************
// Create an instantance of this object.
//
// Argument List:
//   poWin  - The parent window
//   oWinID - The window identifier
//
// Return Values:
//   TRUE  - Success
//   FALSE - Failure

bool  TextCtrl::bCreate( wxWindow * poWin, wxWindowID oWinID )
{
  long  lStyle;

  // Check if the object has already been created
  if( bIsCreated( ) ) return( TRUE );

#if wxCHECK_VERSION(2,5,4)
  wxFont  oFont1(  8, wxMODERN, wxNORMAL, wxFONTFLAG_BOLD );
#else
  wxFont  oFont1( 12, wxMODERN, wxNORMAL, wxNORMAL );
#endif

  lStyle = wxTE_MULTILINE | wxTE_READONLY | wxSUNKEN_BORDER | wxTE_DONTWRAP |
           wxHSCROLL;
  if( ! Create( poWin,oWinID,wxT(""),wxDefaultPosition,wxDefaultSize,lStyle ) )
    return( FALSE );

  SetFont( oFont1 );

  return( bClear( ) );
}

//*****************************************************************************
// Clear the text control.
//
// Return Values:
//   TRUE  - Success
//   FALSE - Failure

bool  TextCtrl::bClear( void )
{
  // Check if the object has already been created
  if( ! bIsCreated( ) ) return( FALSE );

  Clear( );
  m_iLinesCnt = 0;
  SetEditable( FALSE );

  return( TRUE );
}

//*****************************************************************************
// Clear the text control and display a message to the user.
//
// Return Values:
//   TRUE  - Success
//   FALSE - Failure

void  TextCtrl::Initialize( void )
{
  wxString  os1;
  long  lStyle;
  int   i1;

  // Check if the object has already been created
  if( ! bIsCreated( ) ) return;

  bClear( );

  if( ! m_osInitMsg.IsEmpty( ) )
  {
    // Center the message in the control ??? 04/09/2003 Doesn't work
    lStyle = GetWindowStyle( ) | wxTE_CENTRE;
    SetWindowStyle( lStyle );
    // Center the message artifically since the above doesn't work ???
    os1.Empty( );
    i1 = iGetLinesDsp( ) / 2;
    if( i1 % 2 == 0 ) i1 -= 1;
    os1.Append( wxT('\n'), i1 );
    i1 = ( TXTCTL_VIEWCOLS - m_osInitMsg.Length( ) ) / 2;
    os1.Append( wxT(' '), i1 );
    os1 << m_osInitMsg;

    SetValue( os1 );      // Display the default message
  }
}

//*****************************************************************************
// Set the initialization message to be displayed.
//
// Argument List:
//   rosMsg - The initialization message
//
// Return Values:
//   true  - Success
//   false - Failure

bool  TextCtrl::bSetInitMsg( const wxString & rosMsg )
{
  if( rosMsg.Length( ) > 60 ) return( FALSE );

  m_osInitMsg = rosMsg;

  return( TRUE );
}

//*****************************************************************************
// Set the maximum number of lines to be loaded into the control.
//
// Argument List:
//   iLines - The maximum number of lines to be displayed
//
// Return Values:
//   true  - Success
//   false - Failure

bool  TextCtrl::bSetLinesMax( int iLines )
{
  if( iLines<TXTCTL_LINESMIN || iLines>TXTCTL_LINESMAX ) return( FALSE );

  m_iLinesMax = iLines;

  return( TRUE );
}

//*****************************************************************************
// Set the number of lines to be displayed in the control.
//
// Argument List:
//   iLines - The number of lines to be displayed
//
// Return Values:
//   true  - Success
//   false - Failure

bool  TextCtrl::bSetLinesDsp( int iLines )
{
  if( iLines<TXTCTL_DISPMIN || iLines>TXTCTL_DISPMAX ) return( FALSE );

  m_iLinesDsp = iLines;

  return( TRUE );
}


//*****************************************************************************
// Append a line of text to the text control.
//
// Argument List:
//   rosLine - The line of text to append
//
// Return Values:
//   true  - Success
//   false - Failure

bool  TextCtrl::bAppendLine( const wxString & rosLine )
{
  // Check if the object has already been created
  if( ! bIsCreated( ) )            return( FALSE );  

  // Check that the max. lines hasn't been reached
  if( m_iLinesCnt >= m_iLinesMax ) return( FALSE );

  // Append this text and a line terminator
  *this << rosLine << wxT('\n');
  m_iLinesCnt++;

  return( TRUE );
}

//*****************************************************************************
// Append the contents of a file to the text control.
//
// Argument List:
//   roFName - The file name to append
//
// Return Values:
//   true  - Success
//   false - Failure

bool  TextCtrl::bAppendFile( const wxString & roFName )
{
  wxString  os1;

  // Check if the object has already been created
  if( ! bIsCreated( ) ) return( FALSE );

  // Open the file
  wxTextFile  oFile( roFName );
  if( ! oFile.Open( ) )
  {
    *this << wxT("Couldn't load the file containing the process output :\n  ");
    if( roFName.IsEmpty( ) )
         *this << wxT("The log file name is empty!");
    else *this << roFName;
    return( FALSE );
  }

  // Check that the file isn't empty
  if( oFile.GetLineCount( ) > 0 )
  { // Append the file contents to the text control
    for( os1=oFile.GetFirstLine( ); !oFile.Eof( ); os1=oFile.GetNextLine( ) )
    {
      if( ! bAppendLine( os1 ) )
      {
        *this << wxT("\nText control maximum line count (ie. ") << m_iLinesMax 
              << wxT(") reached.\n");
        break;
      }
    }
  }
  else *this << wxT("There is no process output.");

  oFile.Close( );    // Close the log file

  SetInsertionPoint( 0 ); // Go to the top of the text control

  return( TRUE );
}

//*****************************************************************************
// Load the contents of a file into the text control. 
//
// Argument List:
//   roFName - The file name to load
//
// Return Values:
//   true  - Success
//   false - Failure

bool  TextCtrl::bLoadFile( const wxString & roFName )
{
  // Check if the object has already been created
  if( ! bIsCreated( ) ) return( FALSE );

  bClear( ); // Clear the text control

  return( bAppendFile( roFName ) );
}

//*****************************************************************************