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/***********************************************************************
* timer.cpp - Using timer events *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2014-2022 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 <final/final.h>
//----------------------------------------------------------------------
// class Timer
//----------------------------------------------------------------------
class Timer final : public finalcut::FWidget
{
public:
// Constructor
explicit Timer (finalcut::FWidget* = nullptr);
private:
// Method
void draw() override;
// Event handlers
void onTimer (finalcut::FTimerEvent*) override;
void onAccel (finalcut::FAccelEvent*) override;
};
//----------------------------------------------------------------------
Timer::Timer (finalcut::FWidget* parent)
: finalcut::FWidget{parent}
{
addTimer (60000); // 1-minute timer
addTimer (250); // 250-millisecond timer
addTimer (1000); // 1-second timer
const int id = addTimer (50); // 50-millisecond timer
delTimer (id);
getColorTheme()->term_fg = finalcut::FColor::Default;
getColorTheme()->term_bg = finalcut::FColor::Default;
}
//----------------------------------------------------------------------
void Timer::draw()
{
print() << finalcut::FPoint{1, 1}
<< "---------------\n"
<< "Press Q to quit\n"
<< "---------------";
setAreaCursor ({1, 4}, true, getVirtualDesktop());
}
//----------------------------------------------------------------------
void Timer::onTimer (finalcut::FTimerEvent* ev)
{
bool is_last_line{false};
const int timer_id = ev->getTimerId();
if ( getPrintPos().getY() == int(getDesktopHeight()) )
is_last_line = true;
if ( is_last_line )
{
scrollAreaForward (getVirtualDesktop());
print() << '\r';
}
else
print() << '\n';
print() << finalcut::FColorPair {finalcut::FColor(1 + timer_id)}
<< "Timer event, id " << timer_id;
setAreaCursor (getPrintPos(), true, getVirtualDesktop());
forceTerminalUpdate();
}
//----------------------------------------------------------------------
void Timer::onAccel (finalcut::FAccelEvent* ev)
{
quit();
ev->accept();
}
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
auto main (int argc, char* argv[]) -> int
{
// Create the application object
finalcut::FApplication app{argc, argv};
finalcut::FVTerm::setNonBlockingRead();
// Force terminal initialization without calling show()
app.initTerminal();
app.setForegroundColor(finalcut::FColor::Default);
app.setBackgroundColor(finalcut::FColor::Default);
// Create a timer object t
Timer t{&app};
t.addAccelerator(finalcut::FKey('q'));
// Set the timer object t as main widget
finalcut::FWidget::setMainWidget(&t);
// Show and start the application
t.show();
return app.exec();
}
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