NotePropertiesRuler.h

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/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 * Copyright(c) 2008-2025 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY, without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see https://www.gnu.org/licenses
 *
 */
 
#ifndef NOTE_PROPERTIES_RULER_H
#define NOTE_PROPERTIES_RULER_H
 
#include "../EventListener.h"
#include "../Widgets/WidgetWithScalableFont.h"
 
#include <QtGui>
#include <QtWidgets>
 
#include <core/Basics/Note.h>
#include <core/Object.h>
#include <core/Preferences/Preferences.h>
#include <map>
 
#include "PatternEditor.h"
 
namespace H2Core
{
        class Pattern;
        class NoteKey;
}
 
class PatternEditorPanel;

class NotePropertiesRuler : public PatternEditor, protected WidgetWithScalableFont<7, 9, 11>
{
    H2_OBJECT(NotePropertiesRuler)
        Q_OBJECT
        public:
 
                NotePropertiesRuler( QWidget *parent, PatternEditorPanel *pPatternEditorPanel, Mode mode );
                ~NotePropertiesRuler();
                
                NotePropertiesRuler(const NotePropertiesRuler&) = delete;
                NotePropertiesRuler& operator=( const NotePropertiesRuler& rhs ) = delete;

                void propertyDragStart( QMouseEvent *ev );
                void propertyDragUpdate( QMouseEvent *ev );
                void propertyDragEnd();

                virtual std::vector<SelectionIndex> elementsIntersecting( QRect r ) override;
                virtual void mouseClickEvent( QMouseEvent *ev ) override;
        virtual void mousePressEvent( QMouseEvent *ev ) override;
                virtual void mouseDragStartEvent( QMouseEvent *ev ) override;
                virtual void mouseDragUpdateEvent( QMouseEvent *ev ) override;
                virtual void mouseDragEndEvent( QMouseEvent *ev ) override;
                virtual void selectionMoveUpdateEvent( QMouseEvent *ev ) override;
                virtual void selectionMoveEndEvent( QInputEvent *ev ) override;
                virtual void selectionMoveCancelEvent() override;
                virtual QRect getKeyboardCursorRect() override;
 
 
        public slots:
                virtual void updateEditor( bool bPatternOnly = false ) override;
                virtual void selectAll() override;
                virtual void deleteSelection() override {}
                virtual void copy() override {}
                virtual void paste() override {}
                virtual void cut() override {}
                void onPreferencesChanged( H2Core::Preferences::Changes changes );
                void scrolled( int );
 
        private:

                static constexpr int nNoteKeyLineHeight = 10;
                static constexpr int nNoteKeyOctaveHeight = 90;
                static constexpr int nNoteKeySpaceHeight = 10;
                static int nNoteKeyHeight;
                static constexpr int nDefaultHeight = 100;
 
                bool m_bNeedsUpdate;
                void createBackground() override;
        void drawDefaultBackground( QPainter& painter, int nHeight = 0, int nIncrement = 0 );
                void drawFocus( QPainter& painter );
 
                double m_fLastSetValue;
                bool m_bValueHasBeenSet;
 
                void createNormalizedBackground(QPixmap *pixmap);
                void createCenteredBackground(QPixmap *pixmap);
                void createNoteKeyBackground(QPixmap *pixmap);
 
                void paintEvent(QPaintEvent *ev) override;
                void wheelEvent(QWheelEvent *ev) override;
                void keyPressEvent( QKeyEvent *ev ) override;
                void addUndoAction();
                void prepareUndoAction( int x );
#ifdef H2CORE_HAVE_QT6
                virtual void enterEvent( QEnterEvent *ev ) override;
#else
                virtual void enterEvent( QEvent *ev ) override;
#endif
                void leaveEvent( QEvent *ev ) override;
 
                virtual void mouseMoveEvent( QMouseEvent *ev ) override;
 
 
                // Implements EventListener interface
                virtual void selectedPatternChangedEvent() override;
                virtual void selectedInstrumentChangedEvent() override;
        virtual void songModeActivationEvent() override;
                // ~ Implements EventListener interface
                
                int m_nSelectedPatternNumber;

                std::map< H2Core::Note *, H2Core::Note *> m_oldNotes;
                void clearOldNotes();
 
                void adjustNotePropertyDelta( H2Core::Note *pNote, float fDelta, bool bMessage = false );
 
                int m_nDragPreviousColumn;
                bool m_bEntered;
};
 
 
#endif