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102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
// rdslider.h
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//
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// An audio- and touchscreen-friendly slider widget.
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//
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// (C) Copyright 2009 Fred Gleason <fredg@paravelsystems.com>
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//
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// $Id: rdslider.h,v 1.4 2010/07/29 19:32:34 cvs Exp $
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Library General Public License
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// version 2 as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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//
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#ifndef RDSLIDER_H
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#define RDSLIDER_H
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#include <qwidget.h>
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#include <qslider.h>
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#include <qrangecontrol.h>
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#include <qcolor.h>
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#include <qpalette.h>
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#include <qsize.h>
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#include <qpixmap.h>
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class RDSlider : public QWidget,public QRangeControl
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{
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Q_OBJECT
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public:
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enum Orientation {Left=0,Right=1,Up=2,Down=3};
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RDSlider(QWidget *parent,const char *name);
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RDSlider(RDSlider::Orientation orient,QWidget *parent,const char *name);
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RDSlider(int minValue,int maxValue,int pageStep,int value,
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RDSlider::Orientation orient,QWidget *parent,const char *name);
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RDSlider::Orientation orientation() const;
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void setOrientation(RDSlider::Orientation orient);
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void setTracking(bool enable);
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bool tracking() const;
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void setTickInterval(int i);
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void setTickmarks(QSlider::TickSetting s);
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void setMinValue(int min_value);
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void setMaxValue(int max_value);
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void setRange(int min_value,int max_value);
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void setLineStep(int step);
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void setPageStep(int step);
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void setKnobColor(QColorGroup group);
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void setKnobColor(QColor color);
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void setKnobSize(QSize size);
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void setKnobSize(int w,int h);
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signals:
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void valueChanged(int value);
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void sliderPressed();
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void sliderMoved(int value);
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void sliderReleased();
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public slots:
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void setGeometry(int x,int y,int w, int h);
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void setGeometry(QRect &rect);
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void setValue(int setting);
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void addStep();
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void subtractStep();
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private:
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void paintEvent(QPaintEvent *);
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void mouseMoveEvent(QMouseEvent *);
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void mousePressEvent(QMouseEvent *);
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void mouseReleaseEvent(QMouseEvent *);
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void init(RDSlider::Orientation orient);
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void calcKnob();
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void calcKnob(int x,int y,int w,int h);
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RDSlider::Orientation rdslider_orient;
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QColorGroup knob_color;
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QRect curr_knob;
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QRect prev_knob;
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QRect page_up;
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QRect page_down;
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QSize knob_size;
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QPixmap *knob_map;
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int base_x;
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int base_y;
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bool rdslider_moving;
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int page_step;
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int line_step;
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bool tracking_enabled;
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bool deferred_change;
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int tick_interval;
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QSlider::TickSetting tick_setting;
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};
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#endif // RDSLIDER_H
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