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