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/***********************************************************************
* keyboard.cpp - Shows typed-in key name *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2015-2023 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 Keyboard
//----------------------------------------------------------------------
class Keyboard final : public finalcut::FWidget
{
public:
// Constructor
explicit Keyboard (finalcut::FWidget* = nullptr);
protected:
// Event handlers
void onKeyPress (finalcut::FKeyEvent*) override;
void onAccel (finalcut::FAccelEvent*) override;
private:
// Methods
void draw() override;
};
//----------------------------------------------------------------------
Keyboard::Keyboard (finalcut::FWidget* parent)
: finalcut::FWidget{parent}
{
getColorTheme()->term_fg = finalcut::FColor::Default;
getColorTheme()->term_bg = finalcut::FColor::Default;
}
//----------------------------------------------------------------------
void Keyboard::onKeyPress (finalcut::FKeyEvent* ev)
{
const auto key_id = ev->key();
auto key_name = finalcut::FVTerm::getFOutput()->getKeyName(key_id);
bool is_last_line{false};
if ( key_name.isEmpty() )
key_name = wchar_t(key_id);
if ( getPrintPos().getY() == int(getDesktopHeight()) )
is_last_line = true;
if ( is_last_line )
{
scrollAreaForward (getVirtualDesktop());
print() << '\r';
}
else
print() << '\n';
finalcut::FStringStream fss;
fss << "Key " << key_name << " (id 0x" << std::setfill(L'0')
<< std::setw(2) << std::hex << uInt32(key_id) << ")" ;
print (fss.str());
setAreaCursor (getPrintPos(), true, getVirtualDesktop());
forceTerminalUpdate();
}
//----------------------------------------------------------------------
void Keyboard::onAccel (finalcut::FAccelEvent* ev)
{
quit();
ev->accept();
}
//----------------------------------------------------------------------
void Keyboard::draw()
{
print() << finalcut::FPoint{1, 1}
<< "---------------\n"
<< "Press Q to quit\n"
<< "---------------";
setAreaCursor ({1, 4}, true, getVirtualDesktop());
}
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
auto main (int argc, char* argv[]) -> int
{
// Create the application object
finalcut::FApplication app{argc, argv};
// Force terminal initialization without calling show()
app.initTerminal();
app.setForegroundColor(finalcut::FColor::Default);
app.setBackgroundColor(finalcut::FColor::Default);
// Create a keyboard object
Keyboard key{&app};
key.addAccelerator(finalcut::FKey('q'));
// Set the keyboard object as main widget
finalcut::FWidget::setMainWidget(&key);
// Show and start the application
key.show();
return app.exec();
}
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