finalcut/src/ftermbuffer.cpp

150 lines
5.0 KiB
C++

/***********************************************************************
* ftermbuffer.cpp - Buffer for virtual terminal strings *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2017-2020 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* The Final Cut is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
#include <algorithm>
#include <string>
#include <vector>
#include "final/fc.h"
#include "final/fcolorpair.h"
#include "final/fstring.h"
#include "final/fstyle.h"
#include "final/ftermbuffer.h"
#include "final/fvterm.h"
#include "final/ftypes.h"
namespace finalcut
{
//----------------------------------------------------------------------
// class FTermBuffer
//----------------------------------------------------------------------
FTermBuffer::~FTermBuffer() // destructor
{ }
// public methods of FTermBuffer
//----------------------------------------------------------------------
const FString FTermBuffer::toString() const
{
std::wstring wide_string{};
wide_string.reserve(data.size());
std::transform ( data.begin()
, data.end()
, std::back_inserter(wide_string)
, [] (const FChar& fchar)
{
return fchar.ch;
}
);
return FString(wide_string);
}
//----------------------------------------------------------------------
int FTermBuffer::write (const FString& string)
{
assert ( ! string.isNull() );
const int len = int(string.getLength());
for (auto&& c : string)
{
FChar nc; // next character
nc = FVTerm::getAttribute();
nc.ch = c;
getColumnWidth(nc); // add column width
nc.attr.bit.no_changes = false;
nc.attr.bit.printed = false;
data.push_back(nc);
}
return len;
}
//----------------------------------------------------------------------
int FTermBuffer::write (wchar_t ch)
{
FChar nc = FVTerm::getAttribute(); // next character
nc.ch = ch;
getColumnWidth(nc); // add column width
nc.attr.bit.no_changes = false;
nc.attr.bit.printed = false;
data.push_back(nc);
return 1;
}
//----------------------------------------------------------------------
void FTermBuffer::write (const FStyle& style)
{
FAttribute attr = style.getStyle();
if ( attr == 0 )
FVTerm::setNormal();
else if ( (attr & fc::Bold) != 0 )
FVTerm::setBold();
else if ( (attr & fc::Dim) != 0 )
FVTerm::setDim();
else if ( (attr & fc::Italic) != 0 )
FVTerm::setItalic();
else if ( (attr & fc::Underline) != 0 )
FVTerm::setUnderline();
else if ( (attr & fc::Blink) != 0 )
FVTerm::setBlink();
else if ( (attr & fc::Reverse) != 0 )
FVTerm::setReverse();
else if ( (attr & fc::Standout) != 0 )
FVTerm::setStandout();
else if ( (attr & fc::Invisible) != 0 )
FVTerm::setInvisible();
else if ( (attr & fc::Protected) != 0 )
FVTerm::setProtected();
else if ( (attr & fc::CrossedOut) != 0 )
FVTerm::setCrossedOut();
else if ( (attr & fc::DoubleUnderline) != 0 )
FVTerm::setDoubleUnderline();
else if ( (attr & fc::Transparent) != 0 )
FVTerm::setTransparent();
else if ( (attr & fc::ColorOverlay) != 0 )
FVTerm::setColorOverlay();
else if ( (attr & fc::InheritBackground) != 0 )
FVTerm::setInheritBackground();
}
//----------------------------------------------------------------------
void FTermBuffer::write (const FColorPair& pair)
{
FVTerm::setColor(pair.getForegroundColor(), pair.getBackgroundColor());
}
// FTermBuffer non-member operators
//----------------------------------------------------------------------
FTermBuffer::FCharVector& operator << ( FTermBuffer::FCharVector& termString
, const FTermBuffer& buf )
{
if ( ! buf.data.empty() )
termString.assign(buf.data.begin(), buf.data.end());
return termString;
}
} // namespace finalcut