git.sesse.net Git - kdenlive/blob - src/headertrack.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   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 2 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, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21 #include "headertrack.h"
  22 #include "effectslist.h"
  23 #include "kdenlivesettings.h"
  24
  25 #include <KIcon>
  26 #include <KLocalizedString>
  27 #include <KDebug>
  28
  29 #include <QMouseEvent>
  30 #include <QWidget>
  31 #include <QPainter>
  32 #include <QAction>
  33 #include <QTimer>
  34 #include <QDomDocument>
  35
  36 HeaderTrack::HeaderTrack(int index, TrackInfo info, int height, const QList <QAction *> &actions, QWidget *parent) :
  37         QWidget(parent),
  38         m_index(index),
  39         m_type(info.type),
  40         m_isSelected(false)
  41 {
  42     setFixedHeight(height);
  43     setupUi(this);
  44
  45     m_name = info.trackName.isEmpty() ? QString::number(m_index) : info.trackName;
  46     track_number->setText(m_name);
  47     connect(track_number, SIGNAL(editingFinished()), this, SLOT(slotRenameTrack()));
  48
  49     buttonVideo->setChecked(info.isBlind);
  50     buttonVideo->setToolTip(i18n("Hide track"));
  51     buttonAudio->setChecked(info.isMute);
  52     buttonAudio->setToolTip(i18n("Mute track"));
  53     buttonLock->setChecked(info.isLocked);
  54     buttonLock->setToolTip(i18n("Lock track"));
  55     effect_label->setPixmap(KIcon("kdenlive-track_has_effect").pixmap(16, 16));
  56     updateEffectLabel(info.effectsList.effectNames());
  57     setAcceptDrops(true);
  58
  59     if (m_type == VIDEOTRACK) {
  60         setBackgroundRole(QPalette::AlternateBase);
  61         setAutoFillBackground(true);
  62         if (!info.isBlind)
  63             buttonVideo->setIcon(KIcon("kdenlive-show-video"));
  64         else
  65             buttonVideo->setIcon(KIcon("kdenlive-hide-video"));
  66     } else {
  67         buttonVideo->setHidden(true);
  68     }
  69     if (!info.isMute)
  70         buttonAudio->setIcon(KIcon("kdenlive-show-audio"));
  71     else
  72         buttonAudio->setIcon(KIcon("kdenlive-hide-audio"));
  73
  74     if (!info.isLocked)
  75         buttonLock->setIcon(KIcon("kdenlive-unlock"));
  76     else
  77         buttonLock->setIcon(KIcon("kdenlive-lock"));
  78
  79     connect(buttonVideo, SIGNAL(clicked()), this, SLOT(switchVideo()));
  80     connect(buttonAudio, SIGNAL(clicked()), this, SLOT(switchAudio()));
  81     connect(buttonLock, SIGNAL(clicked()), this, SLOT(switchLock()));
  82
  83     // Don't show track buttons if size is too small
  84     if (height < 40) {
  85         buttonVideo->setHidden(true);
  86         buttonAudio->setHidden(true);
  87         buttonLock->setHidden(true);
  88         //horizontalSpacer;
  89     }
  90
  91     setContextMenuPolicy(Qt::ActionsContextMenu);
  92     addActions(actions);
  93 }
  94
  95 /*HeaderTrack::~HeaderTrack()
  96 {
  97 }*/
  98
  99 void HeaderTrack::updateEffectLabel(const QStringList &effects)
 100 {
 101     if (!effects.isEmpty()) {
 102         effect_label->setHidden(false);
 103         effect_label->setToolTip(effects.join("/"));
 104     } else {
 105         effect_label->setHidden(true);
 106         effect_label->setToolTip(QString());
 107     }
 108 }
 109
 110 // virtual
 111 void HeaderTrack::mousePressEvent(QMouseEvent * event)
 112 {
 113     if (track_number->hasFocus()) {
 114         track_number->clearFocus();
 115         return;
 116     }
 117     if (!m_isSelected) emit selectTrack(m_index);
 118     emit showTrackEffects(m_index);
 119     QWidget::mousePressEvent(event);
 120 }
 121
 122 void HeaderTrack::mouseDoubleClickEvent(QMouseEvent* event)
 123 {
 124     if (track_number->hasFocus()) {
 125         track_number->clearFocus();
 126         return;
 127     }
 128     emit configTrack(m_index);
 129     QWidget::mouseDoubleClickEvent(event);
 130 }
 131
 132 //virtual
 133 void HeaderTrack::dropEvent(QDropEvent * event)
 134 {
 135     const QString effects = QString::fromUtf8(event->mimeData()->data("kdenlive/effectslist"));
 136     QDomDocument doc;
 137     doc.setContent(effects, true);
 138     QDomElement e = doc.documentElement();
 139     if (e.tagName() == "effectgroup") {
 140         // dropped an effect group
 141         QDomNodeList effectlist = e.elementsByTagName("effect");
 142         for (int i = 0; i < effectlist.count(); ++i) {
 143             effectlist.at(i).toElement().removeAttribute("kdenlive_ix");
 144         }
 145     } else {
 146         // single effect dropped
 147         e.removeAttribute("kdenlive_ix");
 148     }
 149     emit selectTrack(m_index);
 150     emit addTrackEffect(e, m_index);
 151     /*if (scene() && !scene()->views().isEmpty()) {
 152         event->accept();
 153         CustomTrackView *view = (CustomTrackView *) scene()->views()[0];
 154         if (view) view->slotAddEffect(e, m_info.startPos, track());
 155     }*/
 156 }
 157
 158 //virtual
 159 void HeaderTrack::dragEnterEvent(QDragEnterEvent *event)
 160 {
 161     if (buttonLock->isChecked()) {
 162         event->setAccepted(false);
 163     } else {
 164         if (event->mimeData()->hasFormat("kdenlive/effectslist")) {
 165             const QString effects = QString::fromUtf8(event->mimeData()->data("kdenlive/effectslist"));
 166             QDomDocument doc;
 167             doc.setContent(effects, true);
 168             if (doc.documentElement().attribute("id") != "speed") {
 169                 event->setAccepted(true);
 170             }
 171         }
 172     }
 173 }
 174
 175 void HeaderTrack::setSelectedIndex(int ix)
 176 {
 177     if (m_index == ix) {
 178         m_isSelected = true;
 179         setBackgroundRole(QPalette::Button);
 180         setAutoFillBackground(true);
 181     } else if (m_type != VIDEOTRACK) {
 182         m_isSelected = false;
 183         setAutoFillBackground(false);
 184     } else {
 185         m_isSelected = false;
 186         setBackgroundRole(QPalette::AlternateBase);
 187     }
 188     update();
 189 }
 190
 191 void HeaderTrack::adjustSize(int height)
 192 {
 193     // Don't show track buttons if size is too small
 194     bool smallTracks = height < 40;
 195     if (m_type == VIDEOTRACK)
 196         buttonVideo->setHidden(smallTracks);
 197     buttonAudio->setHidden(smallTracks);
 198     buttonLock->setHidden(smallTracks);
 199     setFixedHeight(height);
 200 }
 201
 202 void HeaderTrack::switchVideo()
 203 {
 204     if (buttonVideo->isChecked())
 205         buttonVideo->setIcon(KIcon("kdenlive-hide-video"));
 206     else
 207         buttonVideo->setIcon(KIcon("kdenlive-show-video"));
 208     emit switchTrackVideo(m_index);
 209 }
 210
 211 void HeaderTrack::switchAudio()
 212 {
 213     if (buttonAudio->isChecked())
 214         buttonAudio->setIcon(KIcon("kdenlive-hide-audio"));
 215     else
 216         buttonAudio->setIcon(KIcon("kdenlive-show-audio"));
 217     emit switchTrackAudio(m_index);
 218 }
 219
 220 void HeaderTrack::switchLock(bool emitSignal)
 221 {
 222     if (buttonLock->isChecked())
 223         buttonLock->setIcon(KIcon("kdenlive-lock"));
 224     else
 225         buttonLock->setIcon(KIcon("kdenlive-unlock"));
 226     if (emitSignal)
 227         emit switchTrackLock(m_index);
 228 }
 229
 230 void HeaderTrack::setLock(bool lock)
 231 {
 232     buttonLock->setChecked(lock);
 233     switchLock(false);
 234 }
 235
 236 void HeaderTrack::slotDeleteTrack()
 237 {
 238     QTimer::singleShot(500, this, SLOT(deleteTrack()));
 239 }
 240
 241 void HeaderTrack::slotRenameTrack()
 242 {
 243     if (m_name != track_number->text()) emit renameTrack(m_index, track_number->text());
 244 }
 245
 246
 247
 248 #include "headertrack.moc"