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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/>.
////////////////////////////////////////////////////////////////////////////////
#ifndef GRAPHCOLORING_GUI_BUTTON_H_
#define GRAPHCOLORING_GUI_BUTTON_H_
#include <string>
#include <vector>
#include <functional>
#include <iostream>
#include "colors.hpp"
#include "position.hpp"
#include "window.hpp"
namespace gui {
class Button
{
public:
typedef std::function<void()> callback_t;
typedef std::map<guint, std::vector<callback_t>> callback_map_t;
enum class Shape
{
RECTANGLE,
CIRCLE // NOTE: If you select this, size.X() will be used for the radius of the circle.
};
Button(Window* window, const std::string& text, Position pos, Size size,
Color color,
Position::Alignment horizontal_align = Position::Alignment::LEFT,
Position::Alignment vertical_align = Position::Alignment::TOP,
Shape shape = Shape::RECTANGLE);
virtual ~Button();
void SetCommand(callback_t callback, guint button = GDK_BUTTON_PRIMARY);
void SetHoverCallback(callback_t callback);
void Render();
int GetX() const;
int GetY() const;
int GetWidth() const;
int GetHeight() const;
int GetRadius() const;
void SetPosition(Position position);
void SetAlignment(Alignment horizontal_align, Alignment vertical_align);
static constexpr double CIRCLE_TEXT_SIZE_FACTOR = 0.9; // Allows for ~2 characters
private:
void CheckHovering();
void CheckClick(guint button);
static constexpr int BORDER_WIDTH = 3;
static constexpr double TEXT_SIZE_FACTOR = 0.7;
static const std::vector<guint> MOUSE_BUTTONS;
Window* const window;
std::string text;
Position position;
Size size;
Color color;
Alignment horizontal_align, vertical_align;
Shape shape;
bool hovering;
std::vector<int> mouseup_callback_ids;
callback_map_t callbacks;
std::vector<callback_t> hover_callbacks;
};
} // namespace gui
#endif // GRAPHCOLORING_GUI_BUTTON_H_
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