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) {
 123             it->setExpanded(!it->isExpanded());
 124             if (it->type() == PROJECTFOLDERTYPE) {
 125                 static_cast <FolderProjectItem *>(it)->switchIcon();
 126             }
 127         }
 128     } else QTreeWidget::keyPressEvent(event);
 129 }
 130
 131 // virtual
 132 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event)
 133 {
 134     QTreeWidgetItem *it = itemAt(event->pos());
 135     if (!it) {
 136         emit addClip();
 137         return;
 138     }
 139     ProjectItem *item;
 140     if (it->type() == PROJECTFOLDERTYPE) {
 141         if ((columnAt(event->pos().x()) == 0)) {
 142             QPixmap pix = qVariantValue<QPixmap>(it->data(0, Qt::DecorationRole));
 143             int offset = pix.width() + indentation();
 144             if (event->pos().x() < offset) {
 145                 it->setExpanded(!it->isExpanded());
 146                 static_cast <FolderProjectItem *>(it)->switchIcon();
 147                 event->accept();
 148             } else QTreeWidget::mouseDoubleClickEvent(event);
 149         }
 150         return;
 151     }
 152     if (it->type() == PROJECTSUBCLIPTYPE) {
 153         // subitem
 154         if ((columnAt(event->pos().x()) == 1)) {
 155             QTreeWidget::mouseDoubleClickEvent(event);
 156             return;
 157         }
 158         item = static_cast <ProjectItem *>(it->parent());
 159     } else item = static_cast <ProjectItem *>(it);
 160
 161     if (!(item->flags() & Qt::ItemIsDragEnabled)) return;
 162
 163     int column = columnAt(event->pos().x());
 164     if (column == 0 && (item->clipType() == SLIDESHOW || item->clipType() == TEXT || item->clipType() == COLOR || it->childCount() > 0)) {
 165         QPixmap pix = qVariantValue<QPixmap>(it->data(0, Qt::DecorationRole));
 166         int offset = pix.width() + indentation();
 167         if (item->parent()) offset += indentation();
 168         if (it->childCount() > 0) {
 169             if (offset > event->pos().x()) {
 170                 it->setExpanded(!it->isExpanded());
 171                 event->accept();
 172                 return;
 173             }
 174         } else if (pix.isNull() || offset < event->pos().x()) {
 175             QTreeWidget::mouseDoubleClickEvent(event);
 176             return;
 177         }
 178     }
 179     if ((column == 1) && it->type() != PROJECTSUBCLIPTYPE) {
 180         QTreeWidget::mouseDoubleClickEvent(event);
 181         return;
 182     }
 183     emit showProperties(item->referencedClip());
 184 }
 185
 186 // virtual
 187 void ProjectListView::dragEnterEvent(QDragEnterEvent *event)
 188 {
 189     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 190         kDebug() << "////////////////  DRAG ENTR OK";
 191     }
 192     event->acceptProposedAction();
 193 }
 194
 195 // virtual
 196 void ProjectListView::dropEvent(QDropEvent *event)
 197 {
 198     FolderProjectItem *item = NULL;
 199     QTreeWidgetItem *it = itemAt(event->pos());
 200     while (it && it->type() != PROJECTFOLDERTYPE) {
 201         it = it->parent();
 202     }
 203     if (it) item = static_cast <FolderProjectItem *>(it);
 204     if (event->mimeData()->hasUrls()) {
 205         QString groupName;
 206         QString groupId;
 207         if (item) {
 208             groupName = item->groupName();
 209             groupId = item->clipId();
 210         }
 211         emit addClip(event->mimeData()->urls(), groupName, groupId);
 212         event->setDropAction(Qt::CopyAction);
 213         event->accept();
 214         return;
 215     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 216         if (item) {
 217             //emit addClip(event->mimeData->text());
 218             const QList <QTreeWidgetItem *> list = selectedItems();
 219             ProjectItem *clone;
 220             QString parentId = item->clipId();
 221             foreach(QTreeWidgetItem *it, list) {
 222                 // TODO allow dragging of folders ?
 223                 if (it->type() == PROJECTCLIPTYPE) {
 224                     if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 225                     else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 226                     if (clone) {
 227                         item->addChild(clone);
 228                         QMap <QString, QString> props;
 229                         props.insert("groupname", item->groupName());
 230                         props.insert("groupid", parentId);
 231                         clone->setProperties(props);
 232                     }
 233                 } else item = NULL;
 234             }
 235         } else {
 236             // item dropped in empty zone, move it to top level
 237             const QList <QTreeWidgetItem *> list = selectedItems();
 238             ProjectItem *clone;
 239             foreach(QTreeWidgetItem *it, list) {
 240                 QTreeWidgetItem *parent = it->parent();
 241                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 242                     kDebug() << "++ item parent: " << parent->text(1);
 243                     clone = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 244                     if (clone) {
 245                         addTopLevelItem(clone);
 246                         clone->clearProperty("groupname");
 247                         clone->clearProperty("groupid");
 248                     }
 249                 }
 250             }
 251         }
 252         emit projectModified();
 253     } else if (event->mimeData()->hasFormat("kdenlive/clip")) {
 254         QStringList list = QString(event->mimeData()->data("kdenlive/clip")).split(';');
 255         emit addClipCut(list.at(0), list.at(1).toInt(), list.at(2).toInt());
 256     }
 257     event->acceptProposedAction();
 258 }
 259
 260 // virtual
 261 void ProjectListView::mousePressEvent(QMouseEvent *event)
 262 {
 263     if (event->button() == Qt::LeftButton) {
 264         m_DragStartPosition = event->pos();
 265         m_dragStarted = true;
 266         /*QTreeWidgetItem *underMouse = itemAt(event->pos());
 267         if (underMouse && underMouse->isSelected()) emit focusMonitor();*/
 268     }
 269     QTreeWidget::mousePressEvent(event);
 270 }
 271
 272 // virtual
 273 void ProjectListView::mouseReleaseEvent(QMouseEvent *event)
 274 {
 275     QTreeWidget::mouseReleaseEvent(event);
 276     QTreeWidgetItem *underMouse = itemAt(event->pos());
 277     if (underMouse) emit focusMonitor();
 278 }
 279
 280 // virtual
 281 void ProjectListView::mouseMoveEvent(QMouseEvent *event)
 282 {
 283     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 284     if (!m_dragStarted) return;
 285
 286     if ((event->pos() - m_DragStartPosition).manhattanLength()
 287             < QApplication::startDragDistance())
 288         return;
 289
 290     QTreeWidgetItem *it = itemAt(m_DragStartPosition);
 291     if (!it) return;
 292     if (it->type() == PROJECTSUBCLIPTYPE) {
 293         // subitem
 294         SubProjectItem *clickItem = static_cast <SubProjectItem *>(it);
 295         if (clickItem && (clickItem->flags() & Qt::ItemIsDragEnabled)) {
 296             ProjectItem *clip = static_cast <ProjectItem *>(it->parent());
 297             QDrag *drag = new QDrag(this);
 298             QMimeData *mimeData = new QMimeData;
 299
 300             QStringList list;
 301             list.append(clip->clipId());
 302             QPoint p = clickItem->zone();
 303             list.append(QString::number(p.x()));
 304             list.append(QString::number(p.y()));
 305             QByteArray data;
 306             data.append(list.join(";").toUtf8());
 307             mimeData->setData("kdenlive/clip", data);
 308             drag->setMimeData(mimeData);
 309             drag->setPixmap(clickItem->data(0, Qt::DecorationRole).value<QPixmap>());
 310             drag->setHotSpot(QPoint(0, 50));
 311             drag->exec();
 312         }
 313     } else {
 314         if (it && (it->flags() & Qt::ItemIsDragEnabled)) {
 315             QDrag *drag = new QDrag(this);
 316             QMimeData *mimeData = new QMimeData;
 317             const QList <QTreeWidgetItem *> list = selectedItems();
 318             QStringList ids;
 319             foreach(const QTreeWidgetItem *item, list) {
 320                 if (item->type() == PROJECTFOLDERTYPE) {
 321                     const int children = item->childCount();
 322                     for (int i = 0; i < children; i++) {
 323                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 324                     }
 325                 } else {
 326                     const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 327                     ids.append(clip->clipId());
 328                 }
 329             }
 330             if (ids.isEmpty()) return;
 331             QByteArray data;
 332             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 333             mimeData->setData("kdenlive/producerslist", data);
 334             //mimeData->setText(ids.join(";")); //doc.toString());
 335             //mimeData->setImageData(image);
 336             drag->setMimeData(mimeData);
 337             drag->setPixmap(it->data(0, Qt::DecorationRole).value<QPixmap>());
 338             drag->setHotSpot(QPoint(0, 50));
 339             drag->exec();
 340         }
 341         //event->accept();
 342     }
 343 }
 344
 345 // virtual
 346 void ProjectListView::dragLeaveEvent(QDragLeaveEvent *)
 347 {
 348     // stop playing because we get a crash otherwise when fetching the thumbnails
 349     emit pauseMonitor();
 350 }
 351
 352 QStringList ProjectListView::mimeTypes() const
 353 {
 354     QStringList qstrList;
 355     qstrList << QTreeWidget::mimeTypes();
 356     // list of accepted mime types for drop
 357     qstrList.append("text/uri-list");
 358     qstrList.append("text/plain");
 359     qstrList.append("kdenlive/producerslist");
 360     qstrList.append("kdenlive/clip");
 361     return qstrList;
 362 }
 363
 364
 365 Qt::DropActions ProjectListView::supportedDropActions() const
 366 {
 367     // returns what actions are supported when dropping
 368     return Qt::MoveAction | Qt::CopyAction;
 369 }
 370
 371 #include "projectlistview.moc"