1 /***************************************************************************
2 * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
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 2 of the License, or *
7 * (at your option) any later version. *
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. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
22 * @brief Manages the timline
23 * @author Jean-Baptiste Mardelle
29 #include <QScrollArea>
31 #include <QGraphicsScene>
32 #include <QGraphicsLineItem>
33 #include <QDomElement>
37 #include "customtrackscene.h"
38 #include "effectslist.h"
39 #include "ui_timeline_ui.h"
40 #include "definitions.h"
43 class CustomTrackView;
48 class TrackView : public QWidget, public Ui::TimeLine_UI
53 explicit TrackView(KdenliveDoc *doc, const QList <QAction *>& actions, bool *ok, QWidget *parent = 0);
54 virtual ~ TrackView();
55 void setEditMode(const QString & editMode);
56 const QString & editMode() const;
57 QGraphicsScene *projectScene();
58 CustomTrackView *projectView();
60 int tracksNumber() const;
61 KdenliveDoc *document();
63 void updateProjectFps();
68 /** @brief Updates (redraws) the ruler.
70 * Used to change from displaying frames to timecode or vice versa. */
73 /** @brief Parse tracks to see if project has audio in it.
75 * Parses all tracks to check if there is audio data. */
76 bool checkProjectAudio() const;
78 void checkTrackHeight();
83 void keyPressEvent(QKeyEvent * event);
86 void slotDeleteClip(const QString &clipId);
87 void slotChangeZoom(int horizontal, int vertical = -1);
88 void setDuration(int dur);
89 void slotSetZone(const QPoint &p, bool updateDocumentProperties = true);
90 /** @brief Save a snapshot image of current timeline view */
91 void slotSaveTimelinePreview(const QString &path);
94 CustomTrackView *m_trackview;
95 QList <QString> m_invalidProducers;
99 CustomTrackScene *m_scene;
100 /** @brief A list of producer ids to be replaced when opening a corrupted document*/
101 QMap <QString, QString> m_replacementProducerIds;
105 QString m_documentErrors;
106 QList <QAction *> m_trackActions;
108 void parseDocument(const QDomDocument &doc);
109 int slotAddProjectTrack(int ix, QDomElement xml, bool locked, const QDomNodeList &producers);
110 DocClipBase *getMissingProducer(const QString &id) const;
111 void adjustTrackHeaders();
112 /** @brief Add effects from the xml. Returns true if some effect was upgraded, false if everything went fine.*/
113 void slotAddProjectEffects(QDomNodeList effects, QDomElement parentNode, ClipItem *clip, int trackIndex);
115 /** @brief Returns a kdenlive effect xml description from an effect tag / id */
116 QDomElement getEffectByTag(const QString &effecttag, const QString &effectid);
118 /** @brief Adjust kdenlive effect xml parameters to the MLT value*/
119 void adjustparameterValue(QDomNodeList clipeffectparams, const QString ¶mname, const QString ¶mvalue);
122 void setCursorPos(int pos);
123 void moveCursorPos(int pos);
124 /** @brief Rebuilds the track headers */
125 void slotRebuildTrackHeaders();
126 /** @brief The tracks count or a track name changed, rebuild and notify */
127 void slotReloadTracks();
128 void slotChangeTrackLock(int ix, bool lock);
129 void slotVerticalZoomDown();
130 void slotVerticalZoomUp();
132 /** @brief Changes the name of a track.
133 * @param ix Number of the track
134 * @param name New name */
135 void slotRenameTrack(int ix, const QString &name);
136 void slotRepaintTracks();
138 /** @brief Adjusts the margins of the header area.
140 * Avoid a shift between header area and trackview if
141 * the horizontal scrollbar is visible and the position
142 * of the vertical scrollbar is maximal */
143 void slotUpdateVerticalScroll(int min, int max);
144 void slotShowTrackEffects(int);
145 /** @brief Update the track label showing applied effects.*/
146 void slotUpdateTrackEffectState(int);
149 void mousePosition(int);
151 void zoneMoved(int, int);
152 void configTrack(int);
153 void updateTracksInfo();
155 void showTrackEffects(int, const TrackInfo&);