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118 lines
3.4 KiB
C++
118 lines
3.4 KiB
C++
/*
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* PatternStore.h - model-component of Pattern Editor
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*
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* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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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_PATTERN_STORE_H
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#define LMMS_PATTERN_STORE_H
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#include "TrackContainer.h"
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#include "ComboBoxModel.h"
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namespace lmms
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{
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namespace gui
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{
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class PatternEditorWindow;
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}
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/*
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* PatternStore is the backend of Pattern Editor:
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*
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* +----------------------------------+
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* | PatternStore (TrackContainer) |
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* | |
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* | +------------------------------+ |
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* | | Track 1 [Clip A] [Clip B] | |
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* | +------------------------------+ |
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* | |
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* | +------------------------------+ |
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* | | Track 2 [Clip C] [Clip D] | |
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* | +------------------------------+ |
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* +----------------------------------+
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*
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* There is only one PatternStore which holds all patterns, and it's very similar to the Song Editor.
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* Think of it as a table - tracks are rows, bars are columns and clips are cells.
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* With this logic a "pattern" is a column, i.e. all clips on the same bar.
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* In the Pattern Editor you can select which pattern (column) you want to see, using the combo box at the top.
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* In the illustration above, Clip A and Clip C start on bar 1, thus they are "Pattern 1".
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*
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* Do not confuse tracks and clips in the PatternStore with PatternTracks and PatternClips.
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* - PatternTracks are used in the Song Editor. Each one reference a "pattern" in the PatternStore.
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* - PatternClips are stored inside PatternTracks. They are just empty placeholders.
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*/
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class LMMS_EXPORT PatternStore : public TrackContainer
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{
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Q_OBJECT
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mapPropertyFromModel(int, currentPattern, setCurrentPattern, m_patternComboBoxModel);
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public:
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PatternStore();
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~PatternStore() override = default;
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virtual bool play(TimePos start, const fpp_t frames, const f_cnt_t frameBase, int clipNum = -1);
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void updateAfterTrackAdd() override;
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inline QString nodeName() const override
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{
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return "patternstore";
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}
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bar_t lengthOfPattern(int pattern) const;
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inline bar_t lengthOfCurrentPattern()
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{
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return lengthOfPattern(currentPattern());
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}
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int numOfPatterns() const;
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void removePattern(int pattern);
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void swapPattern(int p1, int p2);
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void updatePatternTrack(Clip* clip);
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void fixIncorrectPositions();
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void createClipsForPattern(int pattern);
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AutomatedValueMap automatedValuesAt(TimePos time, int clipNum) const override;
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public slots:
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void play();
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void stop();
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void updateComboBox();
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signals:
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void trackUpdated();
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private:
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ComboBoxModel m_patternComboBoxModel;
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// Where the pattern selection combo box is
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friend class gui::PatternEditorWindow;
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} ;
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} // namespace lmms
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#endif // LMMS_PATTERN_STORE_H
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