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