finalcut/examples/keyboard.cpp

110 lines
3.8 KiB
C++
Raw Normal View History

2017-11-04 07:03:53 +01:00
/***********************************************************************
* keyboard.cpp - Shows typed-in key name *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2015-2020 Markus Gans *
2017-11-04 07:03:53 +01:00
* *
* 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/>. *
***********************************************************************/
2015-10-29 21:10:50 +01:00
#include <final/final.h>
2015-10-29 21:10:50 +01:00
//----------------------------------------------------------------------
// class Keyboard
2015-10-29 21:10:50 +01:00
//----------------------------------------------------------------------
class Keyboard : public finalcut::FWidget
2015-10-29 21:10:50 +01:00
{
2017-09-11 03:06:02 +02:00
public:
// Constructor
explicit Keyboard (finalcut::FWidget* = nullptr);
2017-09-11 03:06:02 +02:00
protected:
// Event handlers
2019-08-06 23:45:28 +02:00
void onKeyPress (finalcut::FKeyEvent*) override;
void onAccel (finalcut::FAccelEvent*) override;
2018-09-24 04:02:35 +02:00
private:
// Methods
2019-08-06 23:45:28 +02:00
void draw() override;
2015-10-29 21:10:50 +01:00
};
//----------------------------------------------------------------------
Keyboard::Keyboard (finalcut::FWidget* parent)
: finalcut::FWidget(parent)
2015-10-29 21:10:50 +01:00
{
setFWidgetColors().term_fg = finalcut::fc::Default;
setFWidgetColors().term_bg = finalcut::fc::Default;
2015-10-29 21:10:50 +01:00
}
//----------------------------------------------------------------------
void Keyboard::onKeyPress (finalcut::FKeyEvent* ev)
2015-10-29 21:10:50 +01:00
{
const FKey key_id = ev->key();
2019-08-25 22:16:00 +02:00
bool is_last_line{false};
if ( getPrintPos().getY() == int(getDesktopHeight()) )
is_last_line = true;
print() << "Key " << getKeyName(key_id).c_str()
<< " (id " << key_id << ")\n";
if ( is_last_line )
scrollAreaForward (getVirtualDesktop());
setAreaCursor ( finalcut::FPoint(1, getPrintPos().getY())
, true, getVirtualDesktop() );
2015-10-29 21:10:50 +01:00
}
//----------------------------------------------------------------------
void Keyboard::onAccel (finalcut::FAccelEvent* ev)
2015-10-29 21:10:50 +01:00
{
quit();
ev->accept();
}
//----------------------------------------------------------------------
void Keyboard::draw()
{
print() << finalcut::FPoint(1, 1)
<< "---------------\n"
<< "Press Q to quit\n"
<< "---------------\n";
setAreaCursor (finalcut::FPoint(1, 4), true, getVirtualDesktop());
}
2015-10-29 21:10:50 +01:00
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
int main (int argc, char* argv[])
{
// Create the application object
finalcut::FApplication app(argc, argv);
app.setForegroundColor(finalcut::fc::Default);
app.setBackgroundColor(finalcut::fc::Default);
// Create a keyboard object
Keyboard key(&app);
key.addAccelerator('q');
// Set the keyboard object as main widget
app.setMainWidget(&key);
// Show and start the application
key.show();
2015-10-29 21:10:50 +01:00
return app.exec();
}