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https://github.com/ElvishArtisan/rivendell.git
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4e997f9461
* Implemented saving marker positions in 'RDMarkerDialog'. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
// rdmarkerview.h
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//
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// Widget for displaying/editing cut markers
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//
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// (C) Copyright 2021 Fred Gleason <fredg@paravelsystems.com>
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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 General Public License version 2 as
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// 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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#ifndef RDMARKERVIEW_H
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#define RDMARKERVIEW_H
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#include <QGraphicsPolygonItem>
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#include <QGraphicsScene>
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#include <QGraphicsView>
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#include <QList>
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#include <rdcut.h>
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#include <rdwavefactory.h>
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class RDMarkerHandle : public QGraphicsPolygonItem
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{
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public:
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enum PointerType {Start=0,End=1};
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enum PointerRole {CutStart=0,CutEnd=1,
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TalkStart=2,TalkEnd=3,
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SegueStart=4,SegueEnd=5,
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HookStart=6,HookEnd=7,
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FadeUp=8,FadeDown=9,
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LastRole=10};
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RDMarkerHandle(RDMarkerHandle::PointerRole role,PointerType type,
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void *mkrview,QGraphicsItem *parent=nullptr);
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QString name() const;
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PointerRole role() const;
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int minimum() const;
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void setMinimum(int pos);
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int maximum() const;
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void setMaximum(int pos);
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void setRange(int min,int max);
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static QString pointerRoleText(PointerRole role);
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static QString pointerRoleTypeText(PointerRole role);
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static QColor pointerRoleColor(PointerRole role);
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *e);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *e);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *e);
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private:
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QString d_name;
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PointerRole d_role;
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QList<QGraphicsItem *> d_peers;
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void *d_marker_view;
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int d_minimum;
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int d_maximum;
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};
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class RDMarkerView : public QWidget
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{
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Q_OBJECT;
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public:
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RDMarkerView(int width,int height,QWidget *parent=0);
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~RDMarkerView();
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QSize sizeHint() const;
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QSizePolicy sizePolicy() const;
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int audioGain() const;
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int shrinkFactor() const;
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int pointerValue(RDMarkerHandle::PointerRole role);
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bool hasUnsavedChanges() const;
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void updatePosition(RDMarkerHandle::PointerRole role, int offset);
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public slots:
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void setAudioGain(int lvl);
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void setShrinkFactor(int sf);
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void setMaximumShrinkFactor();
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bool setCut(QString *err_msg,unsigned cartnum,int cutnum);
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void save();
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void clear();
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signals:
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void pointerValueChanged(RDMarkerHandle::PointerRole role,int msec);
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protected:
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virtual void updateInterlocks();
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void resizeEvent(QResizeEvent *e);
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private:
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int Frame(int msec) const;
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bool LoadCutData();
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void WriteWave();
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void DrawMarker(RDMarkerHandle::PointerType type,
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RDMarkerHandle::PointerRole role,int handle_pos);
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QGraphicsView *d_view;
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QGraphicsScene *d_scene;
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unsigned d_cart_number;
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int d_cut_number;
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int d_width;
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int d_height;
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int d_shrink_factor;
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int d_max_shrink_factor;
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int d_pad_size;
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int d_audio_gain;
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unsigned d_sample_rate;
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unsigned d_channels;
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QStringList d_pointer_fields;
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RDWaveFactory *d_wave_factory;
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bool d_has_unsaved_changes;
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int d_pointers[RDMarkerHandle::LastRole];
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RDMarkerHandle *d_handles[RDMarkerHandle::LastRole][2];
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};
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#endif // RDMARKERVIEW_H
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