1 /************************************************************************
2  *
3  * Copyright 2010 Jakob Leben (jakob.leben@gmail.com)
4  *
5  * This file is part of SuperCollider Qt GUI.
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19  *
20  ************************************************************************/
21 
22 #pragma once
23 
24 #include "QcAbstractStepValue.h"
25 #include "../QcHelper.h"
26 #include "../style/style.hpp"
27 #include "image_painter.h"
28 
29 #include <QWidget>
30 
31 class QcSlider2D : public QWidget, QcHelper, QcAbstractStepValue, QtCollider::Style::Client {
32     Q_OBJECT
33     Q_PROPERTY(double xValue READ xValue WRITE setXValue)
34     Q_PROPERTY(double yValue READ yValue WRITE setYValue)
35     Q_PROPERTY(double shiftScale READ dummyFloat WRITE setShiftScale);
36     Q_PROPERTY(double ctrlScale READ dummyFloat WRITE setCtrlScale);
37     Q_PROPERTY(double altScale READ dummyFloat WRITE setAltScale);
38     Q_PROPERTY(double step READ dummyFloat WRITE setStep)
39     Q_PROPERTY(QColor grooveColor READ grooveColor WRITE setGrooveColor);
40     Q_PROPERTY(QColor focusColor READ focusColor WRITE setFocusColor);
41     Q_PROPERTY(QColor knobColor READ knobColor WRITE setKnobColor);
42 
43 public:
44     QcSlider2D();
xValue()45     double xValue() const { return _x; }
yValue()46     double yValue() const { return _y; }
setXValue(double x)47     void setXValue(double x) { setValue(QPointF(x, _y), false); }
setYValue(double y)48     void setYValue(double y) { setValue(QPointF(_x, y), false); }
setStep(double f)49     void setStep(double f) { _step = f; }
knobColor()50     const QColor& knobColor() const {
51         return _knobColor.isValid() ? _knobColor : palette().color(QPalette::ButtonText);
52     }
setKnobColor(const QColor & c)53     void setKnobColor(const QColor& c) {
54         _knobColor = c;
55         update();
56     }
sizeHint()57     QSize sizeHint() const { return QSize(150, 150); }
minimumSizeHint()58     QSize minimumSizeHint() const { return QSize(30, 30); }
59 
60     Q_INVOKABLE
61     void setBackgroundImage(const QtCollider::SharedImage& image, const QRectF& rect, int tileMode, double opacity);
62 public Q_SLOTS:
63     void incrementX(double factor = 1.f);
64     void decrementX(double factor = 1.f);
65     void incrementY(double factor = 1.f);
66     void decrementY(double factor = 1.f);
67 Q_SIGNALS:
68     void action();
69     void randomize();
70 
71 private:
72     QRect thumbRect();
73     void setValue(const QPointF val, bool doAction = true);
74     void mouseMoveEvent(QMouseEvent*);
75     void mousePressEvent(QMouseEvent*);
76     void keyPressEvent(QKeyEvent*);
77     void paintEvent(QPaintEvent*);
78 
79     double _x;
80     double _y;
81     QSize _thumbSize;
82     double _step;
83 
84     QColor _knobColor;
85     QtCollider::ImagePainter _backgroundImage;
86 };
87