// libcursed -- C++ classes for dealing with curses
// Copyright (C) 2019 xaizek <xaizek@posteo.net>
//
// This file is part of libcursed.
//
// libcursed 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.
//
// libcursed 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 libcursed. If not, see <https://www.gnu.org/licenses/>.
#ifndef LIBCURSED__LABEL_HPP__
#define LIBCURSED__LABEL_HPP__
#include "guts/WindowWidget.hpp"
#include "ColorTree.hpp"
namespace cursed {
// Static text field.
class Label : public guts::WindowWidget
{
public:
// Constructs a label. Can throw `std::runtime_error`.
explicit Label(ColorTree initText = {});
Label(const Label &rhs) = delete;
Label(Label &&rhs) = delete;
Label & operator=(const Label &rhs) = delete;
Label & operator=(Label &&rhs) = delete;
public:
// Updates text of the label.
void setText(ColorTree newText);
private:
// Actualizes the `width` field.
void computeWidth();
// Updates state of this widget to be published on the screen.
virtual void draw() override;
// Retrieves vertical size policy.
// Positive number or zero means exactly that much.
// Negative number means at least that much in magnitude.
virtual int desiredHeight() override;
// Retrieves horizontal size policy.
// Positive number or zero means exactly that much.
// Negative number means at least that much in magnitude.
virtual int desiredWidth() override;
private:
ColorTree text; // Text of the label.
int width; // Width of the text.
};
}
#endif // LIBCURSED__LABEL_HPP__
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