1 /*
2  * Copyright (C) 2010-2015 by Stephen Allewell
3  * steve.allewell@gmail.com
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  */
10 
11 
12 #ifndef Palette_H
13 #define Palette_H
14 
15 
16 #include <QFrame>
17 
18 
19 class Document;
20 
21 
22 class Palette : public QFrame
23 {
24     Q_OBJECT
25 
26 public:
27     enum Mode {Select, Replace, Swap};
28 
29     explicit Palette(QWidget *);
30     virtual ~Palette() = default;
31 
32     virtual QSize sizeHint() const Q_DECL_OVERRIDE;
33     Document *document() const;
34 
35     void setDocument(Document *);
36 
37 public slots:
38     void showSymbols(bool);
39     void swapColors();
40     void replaceColor();
41 
42     void loadSettings();
43 
44 signals:
45     void colorSelected(int);
46     void swapColors(int, int);
47     void replaceColor(int, int);
48     void signalStateChanged(QString, bool);
49 
50 protected:
51     virtual bool event(QEvent *) Q_DECL_OVERRIDE;
52     virtual void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
53     virtual void mousePressEvent(QMouseEvent *) Q_DECL_OVERRIDE;
54 
55 private:
56     Document    *m_document;
57     bool        m_showSymbols;
58     int         m_cols;
59     int         m_rows;
60     int         m_width;
61     int         m_height;
62     int         m_flosses;
63     QVector<int>    m_paletteIndex;
64 
65     Mode        m_mode;
66 };
67 
68 
69 #endif // Palette_H
70