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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Leo Tenenbaum
// This file is part of GraphColoring.
//
// GraphColoring is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GraphColoring 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with GraphColoring. If not, see <https://www.gnu.org/licenses/>.
////////////////////////////////////////////////////////////////////////////////
#include "menu.hpp"
#include <iostream>
namespace gui {
Menu::Menu(Window* window,
const std::vector<std::shared_ptr<Button>>& buttons_,
Position position_, Size size_)
: window(window), buttons(buttons_), position(position_), size(size_)
{
int total_button_height = 0;
for (std::shared_ptr<Button>& button : buttons)
{
total_button_height += button->GetHeight();
}
int number_of_buttons = buttons.size();
double spacing_rel = 1.0 / (number_of_buttons + 1);
double spacing_abs = (-total_button_height) / (number_of_buttons + 1);
if (spacing_rel * size.Y() + spacing_abs < 0) // Window is very short; just give up.
{
spacing_rel = 0;
spacing_abs = 0;
}
double y_abs = spacing_abs;
double y_rel = spacing_rel;
for (std::shared_ptr<Button>& button : buttons)
{
button->SetPosition(Position(0, y_abs, 0.5, y_rel, &size, &position));
button->SetAlignment(Alignment::CENTER, Alignment::TOP);
y_abs += spacing_abs + button->GetHeight();
y_rel += spacing_rel;
}
}
void Menu::SetCommand(int button, Button::callback_t command)
{
buttons[button]->SetCommand(command);
}
void Menu::SetCommands(std::vector<Button::callback_t> commands)
{
for (unsigned i = 0; i < buttons.size(); i++)
SetCommand((int)i, commands[i]);
}
void Menu::Render()
{
for (std::shared_ptr<Button>& button : buttons)
button->Render();
}
} // namespace gui
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