CuteLogger
Fast and simple logging solution for Qt based applications
timelinedock.h
1/*
2 * Copyright (c) 2013-2025 Meltytech, LLC
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef TIMELINEDOCK_H
19#define TIMELINEDOCK_H
20
21#include "jobs/ffmpegjob.h"
22#include "models/markersmodel.h"
23#include "models/multitrackmodel.h"
24#include "models/subtitlesmodel.h"
25#include "models/subtitlesselectionmodel.h"
26#include "sharedframe.h"
27
28#include <QApplication>
29#include <QDateTime>
30#include <QDockWidget>
31#include <QQuickWidget>
32#include <QTimer>
33
34namespace Timeline {
35class UpdateCommand;
36class TrimCommand;
37} // namespace Timeline
38class UndoHelper;
39class QMenu;
40
41class TimelineDock : public QDockWidget
42{
43 Q_OBJECT
44 Q_PROPERTY(int position READ position WRITE setPosition NOTIFY positionChanged)
45 Q_PROPERTY(int currentTrack READ currentTrack WRITE setCurrentTrack NOTIFY currentTrackChanged)
46 Q_PROPERTY(
47 QVariantList selection READ selectionForJS WRITE setSelectionFromJS NOTIFY selectionChanged)
48 Q_PROPERTY(bool isRecording READ isRecording NOTIFY isRecordingChanged)
49 Q_PROPERTY(int loopStart READ loopStart NOTIFY loopChanged)
50 Q_PROPERTY(int loopEnd READ loopEnd NOTIFY loopChanged)
51
52public:
53 explicit TimelineDock(QWidget *parent = 0);
54 ~TimelineDock();
55
56 enum TrimLocation { TrimInPoint, TrimOutPoint };
57
58 MultitrackModel *model() { return &m_model; }
59 MarkersModel *markersModel() { return &m_markersModel; }
60 SubtitlesModel *subtitlesModel() { return &m_subtitlesModel; }
61 SubtitlesSelectionModel *subtitlesSelectionModel() { return &m_subtitlesSelectionModel; }
62 int position() const { return m_position; }
63 void setPosition(int position);
64 Mlt::Producer producerForClip(int trackIndex, int clipIndex);
65 int clipIndexAtPlayhead(int trackIndex = -1);
66 int clipIndexAtPosition(int trackIndex, int position);
67 void chooseClipAtPosition(int position, int &trackIndex, int &clipIndex);
68 void setCurrentTrack(int currentTrack);
69 int currentTrack() const;
70 int clipCount(int trackIndex) const;
71 void setSelectionFromJS(const QVariantList &list);
72 void setSelection(QList<QPoint> selection = QList<QPoint>(),
73 int trackIndex = -1,
74 bool isMultitrack = false);
75 QVariantList selectionForJS() const;
76 const QList<QPoint> selection() const;
77 const QVector<QUuid> selectionUuids();
78 const QList<QPoint> uuidsToSelection(QVector<QUuid> uuids) const;
79 void saveAndClearSelection();
80 Q_INVOKABLE void restoreSelection();
81 Q_INVOKABLE QVariantList getGroupForClip(int trackIndex, int clipIndex);
82 void selectClipUnderPlayhead();
83 int centerOfClip(int trackIndex, int clipIndex);
84 bool isTrackLocked(int trackIndex) const;
85 void trimClipAtPlayhead(TrimLocation location, bool ripple);
86 Q_INVOKABLE bool isMultitrackSelected() const { return m_selection.isMultitrackSelected; }
87 Q_INVOKABLE int selectedTrack() const { return m_selection.selectedTrack; }
88 Q_INVOKABLE bool isFloating() const { return QDockWidget::isFloating(); }
89 Q_INVOKABLE static void openProperties();
90 void emitSelectedChanged(const QVector<int> &roles);
91 void replaceClipsWithHash(const QString &hash, Mlt::Producer &producer);
92 Q_INVOKABLE void recordAudio();
93 Q_INVOKABLE void stopRecording();
94 bool isRecording() const { return m_isRecording; }
95 int addTrackIfNeeded(TrackType trackType);
96 void getSelectionRange(int *start, int *end);
97 int loopStart() const { return m_loopStart; }
98 int loopEnd() const { return m_loopEnd; }
99
100signals:
101 void currentTrackChanged();
102 void selectionChanged();
103 void seeked(int position);
104 void positionChanged(int position);
105 void loopChanged();
106 void clipOpened(Mlt::Producer *producer);
107 void dragging(const QPointF &pos, int duration);
108 void dropped();
109 void dropAccepted(const QString &xml);
110 void gainChanged(double gain);
111 void fadeInChanged(int duration);
112 void fadeOutChanged(int duration);
113 void selected(Mlt::Producer *producer);
114 void clipClicked();
115 void showStatusMessage(QString);
116 void clipCopied();
117 void clipMoved(int fromTrack, int toTrack, int clipIndex, int position, bool ripple);
118 void filteredClicked();
119 void durationChanged();
120 void transitionAdded(int trackIndex, int clipIndex, int position, bool ripple);
121 void zoomIn();
122 void zoomOut();
123 void zoomToFit();
124 void setZoom(double value);
125 void markerRangesChanged();
126 void markerSeeked(int markerIndex);
127 void isRecordingChanged(bool);
128 void multitrackSelected();
129 void warnTrackLocked(int trackIndex);
130 void refreshWaveforms();
131 void updateThumbnails(int trackIndex, int clipIndex);
132 void trimStarted();
133 void trimEnded();
134
135public slots:
136 int addAudioTrack();
137 int addVideoTrack();
138 void alignSelectedClips();
139 void onShowFrame(const SharedFrame &frame);
140 void onSeeked(int position);
141 void append(int trackIndex);
142 void remove(int trackIndex, int clipIndex, bool ignoreTransition = false);
143 bool mergeClipWithNext(int trackIndex, int clipIndex, bool dryrun);
144 void lift(int trackIndex, int clipIndex, bool ignoreTransition = false);
145 void removeSelection(bool withCopy = false);
146 void liftSelection();
147 void incrementCurrentTrack(int by);
148 void selectTrackHead(int trackIndex);
149 void selectMultitrack();
150 void copy(int trackIndex, int clipIndex);
151 void setTrackName(int trackIndex, const QString &value);
152 void toggleTrackMute(int trackIndex);
153 void toggleTrackHidden(int trackIndex);
154 void setTrackComposite(int trackIndex, bool composite);
155 void setTrackLock(int trackIndex, bool lock);
156 bool moveClip(int fromTrack, int toTrack, int clipIndex, int position, bool ripple);
157 void onClipMoved(int fromTrack, int toTrack, int clipIndex, int position, bool ripple);
158 bool trimClipIn(
159 int trackIndex, int clipIndex, int oldClipIndex, int delta, bool ripple, bool roll);
160 bool trimClipOut(int trackIndex, int clipIndex, int delta, bool ripple, bool roll);
161 void insert(int trackIndex, int position = -1, const QString &xml = QString(), bool seek = true);
162 void overwrite(int trackIndex,
163 int position = -1,
164 const QString &xml = QString(),
165 bool seek = true);
166 void appendFromPlaylist(Mlt::Playlist *playlist, bool skipProxy, bool emptyTrack);
167 bool changeGain(int trackIndex, int clipIndex, double gain);
168 void fadeIn(int trackIndex, int clipIndex = -1, int duration = -1);
169 void fadeOut(int trackIndex, int clipIndex = -1, int duration = -1);
170 void seekPreviousEdit();
171 void seekNextEdit();
172 void seekInPoint(int clipIndex);
173 void clearSelectionIfInvalid();
174 void insertTrack();
175 void insertAudioTrack();
176 void insertVideoTrack();
177 void removeTrack();
178 void moveTrack(int fromTrackIndex, int toTrackIndex);
179 void moveTrackUp();
180 void moveTrackDown();
181 void onProducerChanged(Mlt::Producer *);
182 void emitSelectedFromSelection();
183 void remakeAudioLevels(int trackIndex, int clipIndex, bool force = true);
184 void commitTrimCommand();
185 void onRowsInserted(const QModelIndex &parent, int first, int last);
186 void onRowsRemoved(const QModelIndex &parent, int first, int last);
187 void onRowsMoved(
188 const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row);
189 void detachAudio(int trackIndex, int clipIndex);
190 void selectAll();
191 void selectAllOnCurrentTrack();
192 void onProducerModified();
193 void replace(int trackIndex, int clipIndex, const QString &xml = QString());
194 void createOrEditMarker();
195 void createOrEditSelectionMarker();
196 void createMarker();
197 void editMarker(int markerIndex);
198 void deleteMarker(int markerIndex = -1);
199 void seekNextMarker();
200 void seekPrevMarker();
201 void onFilterModelChanged();
202 void trimClipIn(bool ripple = false);
203 void trimClipOut(bool ripple = false);
204 void initLoad();
205 void handleDrop(int trackIndex, int position, QString xml);
206 void onLoopChanged(int start, int end);
207
208protected:
209 void dragEnterEvent(QDragEnterEvent *event);
210 void dragMoveEvent(QDragMoveEvent *event);
211 void dragLeaveEvent(QDragLeaveEvent *event);
212 void dropEvent(QDropEvent *event);
213 bool event(QEvent *event);
214 void keyPressEvent(QKeyEvent *event);
215 void keyReleaseEvent(QKeyEvent *event);
216
217private:
218 bool isBlank(int trackIndex, int clipIndex);
219 bool clipsAreSelected();
220 bool blankIsSelected();
221 bool nothingIsSelected();
222 bool isTransition(int trackIndex, int clipIndex);
223 void emitNonSeekableWarning();
224 void addTrackIfNeeded(int mltTrackIndex, Mlt::Producer *srcTrack);
225 void setupActions();
226 bool isMultitrackValid() { return m_model.tractor() && !m_model.trackList().empty(); }
227 void reportSelectionChange();
228 void applyCopiedFiltersToSelectdClips();
229 void insertOrOverwriteDrop(int trackIndex, int position, const QString &xml);
230 void freezeFrame();
231 void addGenerator(QWidget *widget);
232
233 QQuickWidget m_quickView;
234 MultitrackModel m_model;
235 MarkersModel m_markersModel;
236 SubtitlesModel m_subtitlesModel;
237 SubtitlesSelectionModel m_subtitlesSelectionModel;
238 int m_position{-1};
239 std::unique_ptr<Timeline::UpdateCommand> m_updateCommand;
240 bool m_ignoreNextPositionChange{false};
241 struct Selection
242 {
243 QList<QPoint> selectedClips; // x is the clip index, y is the track index
244 int selectedTrack;
245 bool isMultitrackSelected;
246 };
247 Selection m_selection;
248 int m_savedSelectedTrack{-1};
249 bool m_savedIsMultitrackSelected{false};
250 QVector<QUuid> m_savedSelectionUuids;
251 QTimer m_selectionSignalTimer;
252 std::unique_ptr<Timeline::TrimCommand> m_trimCommand;
253 std::unique_ptr<UndoHelper> m_undoHelper;
254 int m_trimDelta{0};
255 int m_transitionDelta{0};
256 bool m_isRecording{false};
257 std::unique_ptr<AbstractJob> m_recordJob;
258 QTimer m_recordingTimer;
259 QDateTime m_recordingTime;
260 int m_recordingTrackIndex{-1};
261 int m_recordingClipIndex{-1};
262 int m_currentTrack{0};
263 QMenu *m_mainMenu{nullptr};
264 QMenu *m_clipMenu{nullptr};
265 int m_loopStart{-1};
266 int m_loopEnd{-1};
267
268private slots:
269 void load(bool force);
270 void onTopLevelChanged(bool floating);
271 void onTransitionAdded(int trackIndex, int clipIndex, int position, bool ripple);
272 void selectClip(int trackIndex, int clipIndex);
273 void onMultitrackClosed();
274 void reloadTimelineModels();
275 void onRecordStarted();
276 void updateRecording();
277 void onRecordFinished(AbstractJob *, bool);
278 void onWarnTrackLocked();
279 void onTimelineRightClicked();
280 void onClipRightClicked();
281 void onNoMoreEmptyTracks(bool isAudio);
282 void addGenerator();
283};
284
285#endif // TIMELINEDOCK_H
The SharedFrame provides thread safe access to Mlt::Frame data.
Definition sharedframe.h:50