finalcut/examples/background-color.cpp

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/***********************************************************************
* background-color.cpp - Sets the background color palette *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2019 Markus Gans *
* *
* 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/>. *
***********************************************************************/
#include <map>
#include <vector>
#include <final/final.h>
using finalcut::FPoint;
using finalcut::FSize;
//----------------------------------------------------------------------
// class Background
//----------------------------------------------------------------------
class Background : public finalcut::FDialog
{
public:
explicit Background (finalcut::FWidget* = nullptr);
private:
// Callback method
void cb_changed (finalcut::FWidget*, FDataPtr);
// Data members
finalcut::FSpinBox red{this};
finalcut::FSpinBox green{this};
finalcut::FSpinBox blue{this};
finalcut::FButton quit{"&Quit", this};
};
//----------------------------------------------------------------------
Background::Background (finalcut::FWidget* parent)
: FDialog(parent)
{
// Dialog settings
setText ("Background color palette");
setGeometry (FPoint(25, 5), FSize(32, 9));
// Spin boxes
red.setGeometry (FPoint(2, 2), FSize(7, 1));
red.setLabelOrientation (finalcut::FLineEdit::label_above);
red.setLabelText ("Red");
red.setRange (0, 255);
red.setValue (0x80);
green.setGeometry (FPoint(12, 2), FSize(7, 1));
green.setLabelOrientation (finalcut::FLineEdit::label_above);
green.setLabelText ("Green");
green.setRange (0, 255);
green.setValue (0xa4);
blue.setGeometry (FPoint(22, 2), FSize(7, 1));
blue.setLabelOrientation (finalcut::FLineEdit::label_above);
blue.setLabelText ("Blue");
blue.setRange (0, 255);
blue.setValue (0xec);
// Set the initial palette values
const auto& wc = getFWidgetColors();
finalcut::FTerm::setPalette ( wc.term_bg
, red.getValue()
, green.getValue()
, blue.getValue() );
// Quit button
quit.setGeometry(FPoint(19, 5), FSize(10, 1));
// Add some function callbacks
quit.addCallback
(
"clicked",
F_METHOD_CALLBACK (this, &finalcut::FApplication::cb_exitApp)
);
red.addCallback
(
"changed",
F_METHOD_CALLBACK (this, &Background::cb_changed)
);
green.addCallback
(
"changed",
F_METHOD_CALLBACK (this, &Background::cb_changed)
);
blue.addCallback
(
"changed",
F_METHOD_CALLBACK (this, &Background::cb_changed)
);
}
//----------------------------------------------------------------------
void Background::cb_changed (finalcut::FWidget*, FDataPtr)
{
const auto& wc = getFWidgetColors();
finalcut::FTerm::setPalette ( wc.term_bg
, red.getValue()
, green.getValue()
, blue.getValue() );
redraw();
updateTerminal();
}
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
int main (int argc, char* argv[])
{
finalcut::FApplication app(argc, argv);
Background dialog(&app);
app.setMainWidget(&dialog);
dialog.show();
return app.exec();
}