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29c210128a
(Addresses #1421) **Behaviour description:** * Toggle step-recording mode using the dedicated icon. * This mode is mutually exclusive with other recoding modes (record/record accompany). * Step-Recording while song is playing is allowed (and fun! :) ). * When start recording, the start recording-position will be set where the timeline curser points (quantized backwards using PianoRoll's current quantization). If step-recording is started while the pattern is playing the start recording-position is set to the beginning of the pattern. * Step length is determined by the Piano Roll's current note-length (can be changed dynamically during step-recording). * The record-position can be moved forward/backward using the right/left keys. * When notes are pressed on keyboard/midi-device, they will be added temporarily ("recorded") with a length of a step. while still pressed, user can adjust the length by steps resolution using the arrow keys (e.g. moving right once will make the note's length 2-steps, another right press will make the length 3-steps etc.). * When all pressed-keys are released, the actual recording happen and the notes are added. * If the user press multiple notes, and release some of them for some time which indicates it is intentional i.e. he didn't want to do a full release to record the step but rather just change what will be recorded (I set the "intentional release threshold" to 70 milliseconds) - these note will be removed from current step-recording. e.g. * Added notes are not quantized, making the addition simpler and WYSIWYG * Similiarly to adding notes using mouse clicks, an undo-checkpoint is added per added step and not for the whole recording as in other record modes.
143 lines
3.1 KiB
C++
143 lines
3.1 KiB
C++
/*
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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 STEP_RECORDER_H
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#define STEP_RECORDER_H
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#include <QTime>
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#include <QTimer>
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#include <QObject>
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#include <QKeyEvent>
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#include "Note.h"
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#include "lmms_basics.h"
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#include "Pattern.h"
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class PianoRoll;
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class StepRecorderWidget;
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class StepRecorder : public QObject
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{
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Q_OBJECT
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public:
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StepRecorder(PianoRoll& pianoRoll, StepRecorderWidget& stepRecorderWidget);
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void initialize();
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void start(const MidiTime& currentPosition,const MidiTime& stepLength);
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void stop();
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void notePressed(const Note & n);
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void noteReleased(const Note & n);
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bool keyPressEvent(QKeyEvent* ke);
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bool mousePressEvent(QMouseEvent* ke);
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void setCurrentPattern(Pattern* newPattern);
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void setStepsLength(const MidiTime& newLength);
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QVector<Note*> getCurStepNotes();
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bool isRecording() const
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{
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return m_isRecording;
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}
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QColor curStepNoteColor() const
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{
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return QColor(245,3,139); // radiant pink
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}
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private slots:
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void removeNotesReleasedForTooLong();
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private:
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void stepForwards();
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void stepBackwards();
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void applyStep();
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void dismissStep();
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void prepareNewStep();
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MidiTime getCurStepEndPos();
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void updateCurStepNotes();
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void updateWidget();
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bool allCurStepNotesReleased();
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PianoRoll& m_pianoRoll;
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StepRecorderWidget& m_stepRecorderWidget;
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bool m_isRecording = false;
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MidiTime m_curStepStartPos = 0;
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MidiTime m_curStepEndPos = 0;
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MidiTime m_stepsLength;
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MidiTime m_curStepLength; // current step length refers to the step currently recorded. it may defer from m_stepsLength
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// since the user can make current step larger
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QTimer m_updateReleasedTimer;
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Pattern* m_pattern;
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class StepNote
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{
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public:
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StepNote(const Note & note) : m_note(note), m_pressed(true) {};
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void setPressed()
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{
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m_pressed = true;
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}
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void setReleased()
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{
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m_pressed = false;
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releasedTimer.start();
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}
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int timeSinceReleased()
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{
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return releasedTimer.elapsed();
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}
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bool isPressed() const
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{
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return m_pressed;
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}
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bool isReleased() const
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{
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return !m_pressed;
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}
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Note m_note;
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private:
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bool m_pressed;
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QTime releasedTimer;
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} ;
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QVector<StepNote*> m_curStepNotes; // contains the current recorded step notes (i.e. while user still press the notes; before they are applied to the pattern)
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StepNote* findCurStepNote(const int key);
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bool m_isStepInProgress = false;
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};
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#endif //STEP_RECORDER_H
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