127 lines
4.0 KiB
C++
127 lines
4.0 KiB
C++
/***********************************************************************
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* fbusyindicator.cpp - Shows background activity *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2020 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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#include "final/fbusyindicator.h"
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namespace finalcut
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{
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//----------------------------------------------------------------------
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// class FBusyIndicator
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//----------------------------------------------------------------------
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// constructors and destructor
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//----------------------------------------------------------------------
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FBusyIndicator::FBusyIndicator (FWidget* parent)
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: FToolTip{parent}
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{
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init();
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}
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//----------------------------------------------------------------------
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FBusyIndicator::~FBusyIndicator() // destructor
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{ }
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// public methods of FBusyIndicator
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//----------------------------------------------------------------------
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void FBusyIndicator::start()
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{
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running = true;
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show();
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updateTerminal();
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flush();
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addTimer(TIMER);
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}
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//----------------------------------------------------------------------
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void FBusyIndicator::stop()
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{
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delOwnTimer();
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running = false;
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hide();
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updateTerminal();
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flush();
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}
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// private methods of FBusyIndicator
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//----------------------------------------------------------------------
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void FBusyIndicator::init()
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{
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FToolTip::hide();
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createIndicatorText();
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}
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//----------------------------------------------------------------------
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void FBusyIndicator::createIndicatorText()
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{
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FString line[4]{};
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if ( FTerm::getEncoding() == fc::UTF8 )
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{
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const wchar_t (&p)[8] = uni_pattern;
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line[0] << " " << p[7] << " " << p[0] << " \n";
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line[1] << " " << p[6] << " " << p[1] << " \n";
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line[2] << " " << p[5] << " " << p[2] << " \n";
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line[3] << " " << p[4] << " " << p[3] << " ";
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}
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else
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{
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const char (&p)[8] = pattern;
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line[0] << " " << p[7] << " " << p[0] << " \n";
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line[1] << " " << p[6] << " " << p[1] << " \n";
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line[2] << " " << p[5] << " " << p[2] << " \n";
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line[3] << " " << p[4] << " " << p[3] << " ";
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}
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FString txt{line[0] + line[1] + line[2] + line[3]};
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FToolTip::setText(txt);
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}
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//----------------------------------------------------------------------
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void FBusyIndicator::onTimer (finalcut::FTimerEvent*)
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{
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// Rotate pattern
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if ( FTerm::getEncoding() == fc::UTF8 )
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{
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const wchar_t last = uni_pattern[7];
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std::memmove(uni_pattern + 1, uni_pattern , sizeof(wchar_t) * 7);
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uni_pattern[0] = last;
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}
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else
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{
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const char last = pattern[7];
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std::memmove(pattern + 1, pattern , sizeof(char) * 7);
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pattern[0] = last;
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}
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// Redraw the rotated pattern
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createIndicatorText();
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redraw();
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updateTerminal();
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flush();
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}
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} // namespace finalcut
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