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/***********************************************************************
* fbusyindicator.cpp - Shows background activity *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2020-2021 Markus Gans *
* *
* 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. *
* *
* 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 <array>
#include "final/widget/fbusyindicator.h"
namespace finalcut
{
//----------------------------------------------------------------------
// class FBusyIndicator
//----------------------------------------------------------------------
// constructors and destructor
//----------------------------------------------------------------------
FBusyIndicator::FBusyIndicator (FWidget* parent)
: FToolTip{parent}
{
init();
}
//----------------------------------------------------------------------
FBusyIndicator::~FBusyIndicator() noexcept = default; // destructor
// public methods of FBusyIndicator
//----------------------------------------------------------------------
void FBusyIndicator::start()
{
running = true;
createIndicatorText();
show();
addTimer(TIMER);
}
//----------------------------------------------------------------------
void FBusyIndicator::stop()
{
delOwnTimers();
running = false;
hide();
}
// private methods of FBusyIndicator
//----------------------------------------------------------------------
void FBusyIndicator::init()
{
FToolTip::hide();
disableAutoTrim();
}
//----------------------------------------------------------------------
void FBusyIndicator::createIndicatorText()
{
std::array<FString, 4> line{};
if ( FVTerm::getFOutput()->getEncoding() == Encoding::UTF8 )
{
const auto& p = uni_pattern;
line[0] << " " << p[7] << " " << p[0] << " \n";
line[1] << " " << p[6] << " " << p[1] << " \n";
line[2] << " " << p[5] << " " << p[2] << " \n";
line[3] << " " << p[4] << " " << p[3] << " ";
}
else
{
const auto& p = pattern;
line[0] << " " << p[7] << " " << p[0] << " \n";
line[1] << " " << p[6] << " " << p[1] << " \n";
line[2] << " " << p[5] << " " << p[2] << " \n";
line[3] << " " << p[4] << " " << p[3] << " ";
}
FString txt{line[0] + line[1] + line[2] + line[3]};
FToolTip::setText(txt);
}
//----------------------------------------------------------------------
void FBusyIndicator::onTimer (finalcut::FTimerEvent*)
{
// Rotate pattern
if ( FVTerm::getFOutput()->getEncoding() == Encoding::UTF8 )
{
const wchar_t last = uni_pattern[7];
std::memmove(&uni_pattern[1], &uni_pattern[0], sizeof(wchar_t) * 7);
uni_pattern[0] = last;
}
else
{
const char last = pattern[7];
std::memmove(&pattern[1], &pattern[0], sizeof(char) * 7);
pattern[0] = last;
}
// Redraw the rotated pattern
createIndicatorText();
redraw();
}
} // namespace finalcut
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