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/***********************************************************************
* checklist.cpp - Example for FListView widget with checkboxes *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2017-2022 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 <array>
#include <iostream>
#include <fstream>
#include <string>
#include <final/final.h>
using finalcut::FPoint;
using finalcut::FSize;
//----------------------------------------------------------------------
// class CheckList
//----------------------------------------------------------------------
class CheckList final : public finalcut::FDialog
{
public:
// Constructor
explicit CheckList (finalcut::FWidget* = nullptr);
private:
// Method
void populate();
void initLayout() override;
void adjustSize() override;
// Event handlers
void onKeyPress (finalcut::FKeyEvent*) override;
void onClose (finalcut::FCloseEvent*) override;
// Callback method
void cb_showList();
// Data members
finalcut::FListView listview{this};
finalcut::FStatusBar status_bar{this};
};
//----------------------------------------------------------------------
CheckList::CheckList (finalcut::FWidget* parent)
: finalcut::FDialog{parent}
{
setShadow(); // Instead of the transparent window shadow
listview.ignorePadding();
// Add columns to the view
listview.addColumn ("Item");
listview.addColumn ("Priority", 9);
// Set the type of sorting
listview.setColumnSortType (1, finalcut::SortType::Name);
listview.setColumnSortType (2, finalcut::SortType::Name);
// Statusbar at the bottom
finalcut::FString separator{};
separator << ' ' << finalcut::UniChar::BoxDrawingsVertical << ' ';
listview.setStatusbarMessage ( finalcut::FString{}
<< "<Q> exit" << separator
<< "<Space> select an item" << separator
<< "<Enter> see your pick list");
// Populate FListView with a list of items
populate();
// Add callback method
listview.addCallback("clicked", this, &CheckList::cb_showList);
}
//----------------------------------------------------------------------
void CheckList::populate()
{
constexpr std::array<std::array<const char*, 2>, 10> list =
{{
{{ "Milk", "Highest" }},
{{ "Cheese", "High" }},
{{ "Yoghurt", "Medium" }},
{{ "Bread", "Low" }},
{{ "Eggs", "High" }},
{{ "Toothpaste", "Medium" }},
{{ "Apples", "Lowest" }},
{{ "Bananas", "Medium" }},
{{ "Fish", "Medium" }},
{{ "Lemons", "Low" }}
}};
for (const auto& line : list)
{
const finalcut::FStringList string_line (line.cbegin(), line.cend());
auto iter = listview.insert (string_line);
auto item = static_cast<finalcut::FListViewItem*>(*iter);
item->setCheckable(true);
}
}
//----------------------------------------------------------------------
void CheckList::initLayout()
{
finalcut::FDialog::setText (L"Shopping list");
const auto is_newfont = finalcut::FVTerm::getFOutput()->isNewFont();
const std::size_t nf_offset = is_newfont ? 1 : 0;
listview.setGeometry ( FPoint{1 + int(nf_offset), 2}
, FSize{getWidth() - nf_offset, getHeight() - 1} );
finalcut::FDialog::initLayout();
}
//----------------------------------------------------------------------
void CheckList::adjustSize()
{
const auto is_newfont = finalcut::FVTerm::getFOutput()->isNewFont();
const std::size_t nf_offset = is_newfont ? 1 : 0;
const std::size_t w{28 + nf_offset};
const std::size_t h{13};
const int x = 1 + int((getDesktopWidth() - getWidth()) / 2);
const int y = 5;
setGeometry (FPoint{x, y}, FSize{w, h}, false);
finalcut::FDialog::adjustSize();
}
//----------------------------------------------------------------------
void CheckList::onKeyPress (finalcut::FKeyEvent* ev)
{
if ( ! ev )
return;
if ( ev->key() == finalcut::FKey('q') || isEscapeKey(ev->key()) )
{
close();
ev->accept();
}
else
finalcut::FDialog::onKeyPress(ev);
}
//----------------------------------------------------------------------
void CheckList::onClose (finalcut::FCloseEvent* ev)
{
finalcut::FApplication::closeConfirmationDialog (this, ev);
}
//----------------------------------------------------------------------
void CheckList::cb_showList()
{
finalcut::FString shopping_list{};
for (const auto& item : listview.getData())
{
if ( item->isChecked() )
shopping_list << finalcut::UniChar::Bullet << ' ' << item->getText(1) << '\n';
}
if ( shopping_list.isEmpty() )
return;
// Create and show tooltip for two seconds
finalcut::FToolTip picklist(this);
picklist.setText (shopping_list);
picklist.show();
sleep(2);
}
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
auto main (int argc, char* argv[]) -> int
{
// Create the application object
finalcut::FApplication app(argc, argv);
// Create main dialog object
CheckList d(&app);
// Set dialog d as main widget
finalcut::FWidget::setMainWidget(&d);
// Show and start the application
d.show();
return app.exec();
}
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