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 fadeInChanged(int duration);
111 void fadeOutChanged(int duration);
112 void selected(Mlt::Producer *producer);
113 void clipClicked();
114 void showStatusMessage(QString);
115 void clipCopied();
116 void clipMoved(int fromTrack, int toTrack, int clipIndex, int position, bool ripple);
117 void filteredClicked();
118 void durationChanged();
119 void transitionAdded(int trackIndex, int clipIndex, int position, bool ripple);
120 void zoomIn();
121 void zoomOut();
122 void zoomToFit();
123 void setZoom(double value);
124 void markerRangesChanged();
125 void markerSeeked(int markerIndex);
126 void isRecordingChanged(bool);
127 void multitrackSelected();
128 void warnTrackLocked(int trackIndex);
129 void refreshWaveforms();
130 void updateThumbnails(int trackIndex, int clipIndex);
131 void trimStarted();
132 void trimEnded();
133
134public slots:
135 int addAudioTrack();
136 int addVideoTrack();
137 void alignSelectedClips();
138 void onShowFrame(const SharedFrame &frame);
139 void onSeeked(int position);
140 void append(int trackIndex);
141 void remove(int trackIndex, int clipIndex, bool ignoreTransition = false);
142 bool mergeClipWithNext(int trackIndex, int clipIndex, bool dryrun);
143 void lift(int trackIndex, int clipIndex, bool ignoreTransition = false);
144 void removeSelection(bool withCopy = false);
145 void liftSelection();
146 void incrementCurrentTrack(int by);
147 void selectTrackHead(int trackIndex);
148 void selectMultitrack();
149 void copy(int trackIndex, int clipIndex);
150 void setTrackName(int trackIndex, const QString &value);
151 void toggleTrackMute(int trackIndex);
152 void toggleTrackHidden(int trackIndex);
153 void setTrackComposite(int trackIndex, bool composite);
154 void setTrackLock(int trackIndex, bool lock);
155 bool moveClip(int fromTrack, int toTrack, int clipIndex, int position, bool ripple);
156 void onClipMoved(int fromTrack, int toTrack, int clipIndex, int position, bool ripple);
157 bool trimClipIn(int trackIndex, int clipIndex, int oldClipIndex, int delta, bool ripple);
158 bool trimClipOut(int trackIndex, int clipIndex, int delta, bool ripple);
159 void insert(int trackIndex, int position = -1, const QString &xml = QString(), bool seek = true);
160 void overwrite(int trackIndex,
161 int position = -1,
162 const QString &xml = QString(),
163 bool seek = true);
164 void appendFromPlaylist(Mlt::Playlist *playlist, bool skipProxy, bool emptyTrack);
165 void fadeIn(int trackIndex, int clipIndex = -1, int duration = -1);
166 void fadeOut(int trackIndex, int clipIndex = -1, int duration = -1);
167 void seekPreviousEdit();
168 void seekNextEdit();
169 void seekInPoint(int clipIndex);
170 void clearSelectionIfInvalid();
171 void insertTrack();
172 void insertAudioTrack();
173 void insertVideoTrack();
174 void removeTrack();
175 void moveTrack(int fromTrackIndex, int toTrackIndex);
176 void moveTrackUp();
177 void moveTrackDown();
178 void onProducerChanged(Mlt::Producer *);
179 void emitSelectedFromSelection();
180 void remakeAudioLevels(int trackIndex, int clipIndex, bool force = true);
181 void commitTrimCommand();
182 void onRowsInserted(const QModelIndex &parent, int first, int last);
183 void onRowsRemoved(const QModelIndex &parent, int first, int last);
184 void onRowsMoved(
185 const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row);
186 void detachAudio(int trackIndex, int clipIndex);
187 void selectAll();
188 void selectAllOnCurrentTrack();
189 void onProducerModified();
190 void replace(int trackIndex, int clipIndex, const QString &xml = QString());
191 void createOrEditMarker();
192 void createOrEditSelectionMarker();
193 void createMarker();
194 void editMarker(int markerIndex);
195 void deleteMarker(int markerIndex = -1);
196 void seekNextMarker();
197 void seekPrevMarker();
198 void onFilterModelChanged();
199 void trimClipIn(bool ripple = false);
200 void trimClipOut(bool ripple = false);
201 void initLoad();
202 void handleDrop(int trackIndex, int position, QString xml);
203 void onLoopChanged(int start, int end);
204
205protected:
206 void dragEnterEvent(QDragEnterEvent *event);
207 void dragMoveEvent(QDragMoveEvent *event);
208 void dragLeaveEvent(QDragLeaveEvent *event);
209 void dropEvent(QDropEvent *event);
210 bool event(QEvent *event);
211 void keyPressEvent(QKeyEvent *event);
212 void keyReleaseEvent(QKeyEvent *event);
213
214private:
215 bool isBlank(int trackIndex, int clipIndex);
216 bool clipsAreSelected();
217 bool blankIsSelected();
218 bool nothingIsSelected();
219 bool isTransition(int trackIndex, int clipIndex);
220 void emitNonSeekableWarning();
221 void addTrackIfNeeded(int mltTrackIndex, Mlt::Producer *srcTrack);
222 void setupActions();
223 bool isMultitrackValid() { return m_model.tractor() && !m_model.trackList().empty(); }
224 void reportSelectionChange();
225 void applyCopiedFiltersToSelectdClips();
226 void insertOrOverwriteDrop(int trackIndex, int position, const QString &xml);
227 void freezeFrame();
228 void addGenerator(QWidget *widget);
229
230 QQuickWidget m_quickView;
231 MultitrackModel m_model;
232 MarkersModel m_markersModel;
233 SubtitlesModel m_subtitlesModel;
234 SubtitlesSelectionModel m_subtitlesSelectionModel;
235 int m_position{-1};
236 std::unique_ptr<Timeline::UpdateCommand> m_updateCommand;
237 bool m_ignoreNextPositionChange{false};
238 struct Selection
239 {
240 QList<QPoint> selectedClips; // x is the clip index, y is the track index
241 int selectedTrack;
242 bool isMultitrackSelected;
243 };
244 Selection m_selection;
245 int m_savedSelectedTrack{-1};
246 bool m_savedIsMultitrackSelected{false};
247 QVector<QUuid> m_savedSelectionUuids;
248 QTimer m_selectionSignalTimer;
249 std::unique_ptr<Timeline::TrimCommand> m_trimCommand;
250 std::unique_ptr<UndoHelper> m_undoHelper;
251 int m_trimDelta{0};
252 int m_transitionDelta{0};
253 bool m_isRecording{false};
254 std::unique_ptr<AbstractJob> m_recordJob;
255 QTimer m_recordingTimer;
256 QDateTime m_recordingTime;
257 int m_recordingTrackIndex{-1};
258 int m_recordingClipIndex{-1};
259 int m_currentTrack{0};
260 QMenu *m_mainMenu{nullptr};
261 QMenu *m_clipMenu{nullptr};
262 int m_loopStart{-1};
263 int m_loopEnd{-1};
264
265private slots:
266 void load(bool force);
267 void onTopLevelChanged(bool floating);
268 void onTransitionAdded(int trackIndex, int clipIndex, int position, bool ripple);
269 void selectClip(int trackIndex, int clipIndex);
270 void onMultitrackClosed();
271 void reloadTimelineModels();
272 void onRecordStarted();
273 void updateRecording();
274 void onRecordFinished(AbstractJob *, bool);
275 void onWarnTrackLocked();
276 void onTimelineRightClicked();
277 void onClipRightClicked();
278 void onNoMoreEmptyTracks(bool isAudio);
279 void addGenerator();
280};
281
282#endif // TIMELINEDOCK_H