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

   1 /***************************************************************************
   2  *   Copyright (C) 2007 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 "projectlistview.h"
  22 #include "projectitem.h"
  23 #include "subprojectitem.h"
  24 #include "folderprojectitem.h"
  25 #include "kdenlivesettings.h"
  26
  27 #include <KDebug>
  28 #include <KMenu>
  29 #include <KLocale>
  30
  31 #include <QApplication>
  32 #include <QHeaderView>
  33 #include <QAction>
  34
  35 ProjectListView::ProjectListView(QWidget *parent) :
  36         QTreeWidget(parent),
  37         m_dragStarted(false)
  38 {
  39     setSelectionMode(QAbstractItemView::ExtendedSelection);
  40     setDragDropMode(QAbstractItemView::DragDrop);
  41     setDropIndicatorShown(true);
  42     setAlternatingRowColors(true);
  43     setDragEnabled(true);
  44     setAcceptDrops(true);
  45     setFrameShape(QFrame::NoFrame);
  46     setRootIsDecorated(false);
  47
  48     setColumnCount(3);
  49     QStringList headers;
  50     headers << i18n("Clip") << i18n("Description") << i18n("Rating");
  51     setHeaderLabels(headers);
  52
  53     QHeaderView* headerView = header();
  54     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
  55     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
  56             this, SLOT(configureColumns(const QPoint&)));
  57     headerView->setClickable(true);
  58     headerView->setSortIndicatorShown(true);
  59     headerView->setMovable(false);
  60     sortByColumn(0, Qt::AscendingOrder);
  61     setSortingEnabled(true);
  62
  63     if (!KdenliveSettings::showdescriptioncolumn()) hideColumn(1);
  64     if (!KdenliveSettings::showratingcolumn()) hideColumn(2);
  65 }
  66
  67 ProjectListView::~ProjectListView()
  68 {
  69 }
  70
  71 void ProjectListView::configureColumns(const QPoint& pos)
  72 {
  73     KMenu popup(this);
  74     popup.addTitle(i18nc("@title:menu", "Columns"));
  75
  76     QHeaderView* headerView = header();
  77     for (int i = 1; i < headerView->count(); ++i) {
  78         const QString text = model()->headerData(i, Qt::Horizontal).toString();
  79         QAction* action = popup.addAction(text);
  80         action->setCheckable(true);
  81         action->setChecked(!headerView->isSectionHidden(i));
  82         action->setData(i);
  83     }
  84
  85     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
  86     if (activatedAction != 0) {
  87         const bool show = activatedAction->isChecked();
  88
  89         // remember the changed column visibility in the settings
  90         const int columnIndex = activatedAction->data().toInt();
  91         switch (columnIndex) {
  92         case 1:
  93             KdenliveSettings::setShowdescriptioncolumn(show);
  94             break;
  95         case 2:
  96             KdenliveSettings::setShowratingcolumn(show);
  97             break;
  98         default:
  99             break;
 100         }
 101
 102         // apply the changed column visibility
 103         if (show) {
 104             showColumn(columnIndex);
 105         } else {
 106             hideColumn(columnIndex);
 107         }
 108     }
 109 }
 110
 111 // virtual
 112 void ProjectListView::contextMenuEvent(QContextMenuEvent * event)
 113 {
 114     emit requestMenu(event->globalPos(), itemAt(event->pos()));
 115 }
 116
 117 // virtual
 118 void ProjectListView::keyPressEvent(QKeyEvent * event)
 119 {
 120     if (event->key() == Qt::Key_Return) {
 121         QTreeWidgetItem *it = currentItem();
 122         if (it) it->setExpanded(!it->isExpanded());
 123     } else QTreeWidget::keyPressEvent(event);
 124 }
 125
 126 // virtual
 127 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event)
 128 {
 129     QTreeWidgetItem *it = itemAt(event->pos());
 130     if (!it) {
 131         emit addClip();
 132         return;
 133     }
 134     ProjectItem *item;
 135     if (it->type() == PROJECTFOLDERTYPE) {
 136         if ((columnAt(event->pos().x()) == 0)) {
 137             QPixmap pix = qVariantValue<QPixmap>(it->data(0, Qt::DecorationRole));
 138             int offset = pix.width() + indentation();
 139             if (event->pos().x() < offset) {
 140                 it->setExpanded(!it->isExpanded());
 141                 event->accept();
 142             } else QTreeWidget::mouseDoubleClickEvent(event);
 143         }
 144         return;
 145     }
 146     if (it->type() == PROJECTSUBCLIPTYPE) {
 147         // subitem
 148         if ((columnAt(event->pos().x()) == 1)) {
 149             QTreeWidget::mouseDoubleClickEvent(event);
 150             return;
 151         }
 152         item = static_cast <ProjectItem *>(it->parent());
 153     } else item = static_cast <ProjectItem *>(it);
 154
 155     if (!(item->flags() & Qt::ItemIsDragEnabled)) return;
 156
 157     int column = columnAt(event->pos().x());
 158     if (column == 0 && (item->clipType() == SLIDESHOW || item->clipType() == TEXT || item->clipType() == COLOR)) {
 159         QPixmap pix = qVariantValue<QPixmap>(it->data(0, Qt::DecorationRole));
 160         int offset = pix.width() + indentation();
 161         if (item->parent()) offset += indentation();
 162         if ((pix.isNull() || offset < event->pos().x())) {
 163             QTreeWidget::mouseDoubleClickEvent(event);
 164             return;
 165         }
 166     }
 167     if ((column == 1) && it->type() != PROJECTSUBCLIPTYPE) {
 168         QTreeWidget::mouseDoubleClickEvent(event);
 169         return;
 170     }
 171     emit showProperties(item->referencedClip());
 172 }
 173
 174 // virtual
 175 void ProjectListView::dragEnterEvent(QDragEnterEvent *event)
 176 {
 177     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 178         kDebug() << "////////////////  DRAG ENTR OK";
 179     }
 180     event->acceptProposedAction();
 181 }
 182
 183 // virtual
 184 void ProjectListView::dropEvent(QDropEvent *event)
 185 {
 186     FolderProjectItem *item = NULL;
 187     QTreeWidgetItem *it = itemAt(event->pos());
 188     while (it && it->type() != PROJECTFOLDERTYPE) {
 189         it = it->parent();
 190     }
 191     if (it) item = static_cast <FolderProjectItem *>(it);
 192     if (event->mimeData()->hasUrls()) {
 193         QString groupName;
 194         QString groupId;
 195         if (item) {
 196             groupName = item->groupName();
 197             groupId = item->clipId();
 198         }
 199         emit addClip(event->mimeData()->urls(), groupName, groupId);
 200         event->setDropAction(Qt::CopyAction);
 201         event->accept();
 202         return;
 203     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 204         if (item) {
 205             //emit addClip(event->mimeData->text());
 206             const QList <QTreeWidgetItem *> list = selectedItems();
 207             ProjectItem *clone;
 208             QString parentId = item->clipId();
 209             foreach(QTreeWidgetItem *it, list) {
 210                 // TODO allow dragging of folders ?
 211                 if (it->type() == PROJECTCLIPTYPE) {
 212                     if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 213                     else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 214                     if (clone) {
 215                         item->addChild(clone);
 216                         QMap <QString, QString> props;
 217                         props.insert("groupname", item->groupName());
 218                         props.insert("groupid", parentId);
 219                         clone->setProperties(props);
 220                     }
 221                 } else item = NULL;
 222             }
 223         } else {
 224             // item dropped in empty zone, move it to top level
 225             const QList <QTreeWidgetItem *> list = selectedItems();
 226             ProjectItem *clone;
 227             foreach(QTreeWidgetItem *it, list) {
 228                 QTreeWidgetItem *parent = it->parent();
 229                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 230                     kDebug() << "++ item parent: " << parent->text(1);
 231                     clone = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 232                     if (clone) {
 233                         addTopLevelItem(clone);
 234                         clone->clearProperty("groupname");
 235                         clone->clearProperty("groupid");
 236                     }
 237                 }
 238             }
 239         }
 240         emit projectModified();
 241     } else if (event->mimeData()->hasFormat("kdenlive/clip")) {
 242         QStringList list = QString(event->mimeData()->data("kdenlive/clip")).split(';');
 243         emit addClipCut(list.at(0), list.at(1).toInt(), list.at(2).toInt());
 244     }
 245     event->acceptProposedAction();
 246 }
 247
 248 // virtual
 249 void ProjectListView::mousePressEvent(QMouseEvent *event)
 250 {
 251     if (event->button() == Qt::LeftButton) {
 252         m_DragStartPosition = event->pos();
 253         m_dragStarted = true;
 254         /*QTreeWidgetItem *underMouse = itemAt(event->pos());
 255         if (underMouse && underMouse->isSelected()) emit focusMonitor();*/
 256     }
 257     QTreeWidget::mousePressEvent(event);
 258 }
 259
 260 // virtual
 261 void ProjectListView::mouseReleaseEvent(QMouseEvent *event)
 262 {
 263     QTreeWidget::mouseReleaseEvent(event);
 264     QTreeWidgetItem *underMouse = itemAt(event->pos());
 265     if (underMouse) emit focusMonitor();
 266 }
 267
 268 // virtual
 269 void ProjectListView::mouseMoveEvent(QMouseEvent *event)
 270 {
 271     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 272     if (!m_dragStarted) return;
 273
 274     if ((event->pos() - m_DragStartPosition).manhattanLength()
 275             < QApplication::startDragDistance())
 276         return;
 277
 278     QTreeWidgetItem *it = itemAt(m_DragStartPosition);
 279     if (!it) return;
 280     if (it->type() == PROJECTSUBCLIPTYPE) {
 281         // subitem
 282         SubProjectItem *clickItem = static_cast <SubProjectItem *>(it);
 283         if (clickItem && (clickItem->flags() & Qt::ItemIsDragEnabled)) {
 284             ProjectItem *clip = static_cast <ProjectItem *>(it->parent());
 285             QDrag *drag = new QDrag(this);
 286             QMimeData *mimeData = new QMimeData;
 287
 288             QStringList list;
 289             list.append(clip->clipId());
 290             QPoint p = clickItem->zone();
 291             list.append(QString::number(p.x()));
 292             list.append(QString::number(p.y()));
 293             QByteArray data;
 294             data.append(list.join(";").toUtf8());
 295             mimeData->setData("kdenlive/clip", data);
 296             drag->setMimeData(mimeData);
 297             drag->setPixmap(clickItem->data(0, Qt::DecorationRole).value<QPixmap>());
 298             drag->setHotSpot(QPoint(0, 50));
 299             drag->exec();
 300         }
 301     } else {
 302         if (it && (it->flags() & Qt::ItemIsDragEnabled)) {
 303             QDrag *drag = new QDrag(this);
 304             QMimeData *mimeData = new QMimeData;
 305             const QList <QTreeWidgetItem *> list = selectedItems();
 306             QStringList ids;
 307             foreach(const QTreeWidgetItem *item, list) {
 308                 if (item->type() == PROJECTFOLDERTYPE) {
 309                     const int children = item->childCount();
 310                     for (int i = 0; i < children; i++) {
 311                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 312                     }
 313                 } else {
 314                     const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 315                     ids.append(clip->clipId());
 316                 }
 317             }
 318             if (ids.isEmpty()) return;
 319             QByteArray data;
 320             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 321             mimeData->setData("kdenlive/producerslist", data);
 322             //mimeData->setText(ids.join(";")); //doc.toString());
 323             //mimeData->setImageData(image);
 324             drag->setMimeData(mimeData);
 325             drag->setPixmap(it->data(0, Qt::DecorationRole).value<QPixmap>());
 326             drag->setHotSpot(QPoint(0, 50));
 327             drag->exec();
 328         }
 329         //event->accept();
 330     }
 331 }
 332
 333 // virtual
 334 void ProjectListView::dragMoveEvent(QDragMoveEvent * event)
 335 {
 336     //event->setDropAction(Qt::MoveAction);
 337     if (event->mimeData()->hasText()) {
 338         event->acceptProposedAction();
 339     }
 340     // stop playing because we get a crash otherwise when fetching the thumbnails
 341     emit pauseMonitor();
 342 }
 343
 344 QStringList ProjectListView::mimeTypes() const
 345 {
 346     QStringList qstrList;
 347     qstrList << QTreeWidget::mimeTypes();
 348     // list of accepted mime types for drop
 349     qstrList.append("text/uri-list");
 350     qstrList.append("text/plain");
 351     qstrList.append("kdenlive/producerslist");
 352     qstrList.append("kdenlive/clip");
 353     return qstrList;
 354 }
 355
 356
 357 Qt::DropActions ProjectListView::supportedDropActions() const
 358 {
 359     // returns what actions are supported when dropping
 360     return Qt::MoveAction;
 361 }
 362
 363 #include "projectlistview.moc"