citybar.h

Go to the documentation of this file.

/**************************************************************************
                  Copyright (c) 2020 Freeciv21 contributors. This file is
 __    __          part of Freeciv21. Freeciv21 is free software: you can
/ \\..// \    redistribute it and/or modify it under the terms of the GNU
  ( oo )        General Public License  as published by the Free Software
   \__/         Foundation, either version 3 of the License,  or (at your
                      option) any later version. You should have received
    a copy of the GNU General Public License along with Freeciv21. If not,
                  see https://www.gnu.org/licenses/.
**************************************************************************/
 
#pragma once
 
#include <memory>
 
// Qt
#include <QStringList>
 
// Forward declarations
class QPainter;
class QPointF;
class QRect;
class QString;
class QTextDocument;
 
struct city;
struct option;
 
class citybar_painter {
public:
  virtual ~citybar_painter() = default;
 
  virtual QRect paint(QPainter &painter, const QPointF &position,
                      const city *pcity) const = 0;
 
  virtual bool has_flag() const { return true; }
 
  virtual bool has_units() const { return true; }
 
  virtual bool has_size() const { return true; }
 
  static QStringList available();
  static const QVector<QString> *available_vector(const option *);
  static void option_changed(option *opt);
  static citybar_painter *current();
 
private:
  static void set_current(const QString &name);
 
  static std::unique_ptr<citybar_painter> s_current;
};
 
class simple_citybar_painter : public citybar_painter {
public:
  QRect paint(QPainter &painter, const QPointF &position,
              const city *pcity) const override;
 
  bool has_flag() const override { return false; }
  bool has_units() const override { return false; }
  bool has_size() const override { return false; }
};
 
class traditional_citybar_painter : public citybar_painter {
public:
  QRect paint(QPainter &painter, const QPointF &position,
              const city *pcity) const override;
};
 
class polished_citybar_painter : public citybar_painter {
public:
  QRect paint(QPainter &painter, const QPointF &position,
              const city *pcity) const override;
};