Initial version of FloatModelEditorBase
Create an initial version of `FloatModelEditorBase`. It is intended to become the base widget for all widgets that manipulate a float model and provides some base functionalities like context menus, edit dialogs, mouse handling, etc. The initial version is a copy of `Knob`. The enum and its values have been suffixed with "Temp" as they will be removed later anyway. Same applies for the function `convertPixmapToGrayScaleTemp`.
This commit is contained in:
Michael Gregorius
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include/FloatModelEditorBase.h
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217
include/FloatModelEditorBase.h
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/*
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* FloatModelEditorBase.h - Base editor for float models
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*
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* Copyright (c) 2004-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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* Copyright (c) 2023 Michael Gregorius
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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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 GNU
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* 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 (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef LMMS_GUI_FLOAT_MODEL_EDITOR_BASE_H
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#define LMMS_GUI_FLOAT_MODEL_EDITOR_BASE_H
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#include <memory>
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#include <QPixmap>
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#include <QWidget>
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#include <QPoint>
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#include <QTextDocument>
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#include "AutomatableModelView.h"
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class QPixmap;
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namespace lmms::gui
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{
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class SimpleTextFloat;
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enum knobTypesTemp
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{
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knobDark_28Temp, knobBright_26Temp, knobSmall_17Temp, knobVintage_32Temp, knobStyledTemp
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} ;
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void convertPixmapToGrayScaleTemp(QPixmap &pixMap);
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class LMMS_EXPORT FloatModelEditorBase : public QWidget, public FloatModelView
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{
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Q_OBJECT
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Q_ENUMS( knobTypesTemp )
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Q_PROPERTY(float innerRadius READ innerRadius WRITE setInnerRadius)
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Q_PROPERTY(float outerRadius READ outerRadius WRITE setOuterRadius)
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Q_PROPERTY(float centerPointX READ centerPointX WRITE setCenterPointX)
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Q_PROPERTY(float centerPointY READ centerPointY WRITE setCenterPointY)
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Q_PROPERTY(float lineWidth READ lineWidth WRITE setLineWidth)
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// Unfortunately, the gradient syntax doesn't create our gradient
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// correctly so we need to do this:
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Q_PROPERTY(QColor outerColor READ outerColor WRITE setOuterColor)
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Q_PROPERTY(QColor lineActiveColor MEMBER m_lineActiveColor)
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Q_PROPERTY(QColor lineInactiveColor MEMBER m_lineInactiveColor)
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Q_PROPERTY(QColor arcActiveColor MEMBER m_arcActiveColor)
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Q_PROPERTY(QColor arcInactiveColor MEMBER m_arcInactiveColor)
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mapPropertyFromModel(bool,isVolumeKnob,setVolumeKnob,m_volumeKnob);
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mapPropertyFromModel(float,volumeRatio,setVolumeRatio,m_volumeRatio);
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Q_PROPERTY(knobTypesTemp knobNum READ knobNum WRITE setknobNum)
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Q_PROPERTY(QColor textColor READ textColor WRITE setTextColor)
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void initUi( const QString & _name ); //!< to be called by ctors
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void onKnobNumUpdated(); //!< to be called when you updated @a m_knobNum
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public:
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FloatModelEditorBase( knobTypesTemp _knob_num, QWidget * _parent = nullptr, const QString & _name = QString() );
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FloatModelEditorBase( QWidget * _parent = nullptr, const QString & _name = QString() ); //!< default ctor
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FloatModelEditorBase( const FloatModelEditorBase& other ) = delete;
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// TODO: remove
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inline void setHintText( const QString & _txt_before,
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const QString & _txt_after )
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{
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setDescription( _txt_before );
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setUnit( _txt_after );
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}
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void setLabel( const QString & txt );
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void setHtmlLabel( const QString &htmltxt );
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void setTotalAngle( float angle );
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// Begin styled knob accessors
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float innerRadius() const;
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void setInnerRadius( float r );
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float outerRadius() const;
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void setOuterRadius( float r );
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knobTypesTemp knobNum() const;
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void setknobNum( knobTypesTemp k );
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QPointF centerPoint() const;
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float centerPointX() const;
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void setCenterPointX( float c );
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float centerPointY() const;
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void setCenterPointY( float c );
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float lineWidth() const;
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void setLineWidth( float w );
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QColor outerColor() const;
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void setOuterColor( const QColor & c );
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QColor textColor() const;
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void setTextColor( const QColor & c );
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signals:
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void sliderPressed();
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void sliderReleased();
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void sliderMoved( float value );
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protected:
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void contextMenuEvent( QContextMenuEvent * _me ) override;
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void dragEnterEvent( QDragEnterEvent * _dee ) override;
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void dropEvent( QDropEvent * _de ) override;
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void focusOutEvent( QFocusEvent * _fe ) override;
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void mousePressEvent( QMouseEvent * _me ) override;
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void mouseReleaseEvent( QMouseEvent * _me ) override;
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void mouseMoveEvent( QMouseEvent * _me ) override;
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void mouseDoubleClickEvent( QMouseEvent * _me ) override;
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void paintEvent( QPaintEvent * _me ) override;
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void wheelEvent( QWheelEvent * _me ) override;
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void changeEvent(QEvent * ev) override;
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virtual float getValue( const QPoint & _p );
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private slots:
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virtual void enterValue();
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void friendlyUpdate();
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void toggleScale();
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private:
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virtual QString displayValue() const;
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void doConnections() override;
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QLineF calculateLine( const QPointF & _mid, float _radius,
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float _innerRadius = 1) const;
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void drawKnob( QPainter * _p );
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void setPosition( const QPoint & _p );
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bool updateAngle();
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int angleFromValue( float value, float minValue, float maxValue, float totalAngle ) const
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{
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return static_cast<int>( ( value - 0.5 * ( minValue + maxValue ) ) / ( maxValue - minValue ) * m_totalAngle ) % 360;
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}
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inline float pageSize() const
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{
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return ( model()->maxValue() - model()->minValue() ) / 100.0f;
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}
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static SimpleTextFloat * s_textFloat;
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QString m_label;
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bool m_isHtmlLabel;
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QTextDocument* m_tdRenderer;
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std::unique_ptr<QPixmap> m_knobPixmap;
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BoolModel m_volumeKnob;
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FloatModel m_volumeRatio;
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QPoint m_lastMousePos; //!< mouse position in last mouseMoveEvent
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float m_leftOver;
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bool m_buttonPressed;
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float m_totalAngle;
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int m_angle;
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QImage m_cache;
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// Styled knob stuff, could break out
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QPointF m_centerPoint;
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float m_innerRadius;
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float m_outerRadius;
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float m_lineWidth;
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QColor m_outerColor;
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QColor m_lineActiveColor;
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QColor m_lineInactiveColor;
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QColor m_arcActiveColor;
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QColor m_arcInactiveColor;
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QColor m_textColor;
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knobTypesTemp m_knobNum;
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} ;
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} // namespace lmms::gui
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#endif // LMMS_GUI_FLOAT_MODEL_EDITOR_BASE_H
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