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(4);
  48     QStringList headers;
  49     headers << i18n("Thumbnail") << i18n("Filename") << 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(1, Qt::AscendingOrder);
  60     setSortingEnabled(true);
  61
  62     if (!KdenliveSettings::showdescriptioncolumn()) hideColumn(2);
  63     if (!KdenliveSettings::showratingcolumn()) hideColumn(3);
  64 }
  65
  66 ProjectListView::~ProjectListView()
  67 {
  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 = 2; 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 2:
  93             KdenliveSettings::setShowdescriptioncolumn(show);
  94             break;
  95         case 3:
  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::mouseDoubleClickEvent(QMouseEvent * event)
 119 {
 120     QTreeWidgetItem *it = itemAt(event->pos());
 121     if (!it) {
 122         emit addClip();
 123         return;
 124     }
 125     ProjectItem *item;
 126     if (it->type() == PROJECTFOLDERTYPE) {
 127         if ((columnAt(event->pos().x()) == 1)) QTreeWidget::mouseDoubleClickEvent(event);
 128         return;
 129     }
 130     if (it->type() == PROJECTSUBCLIPTYPE) {
 131         // subitem
 132         item = static_cast <ProjectItem *>(it->parent());
 133     } else item = static_cast <ProjectItem *>(it);
 134
 135     if (!(item->flags() & Qt::ItemIsDragEnabled)) return;
 136     if ((columnAt(event->pos().x()) == 1) && (item->clipType() == SLIDESHOW || item->clipType() == TEXT || item->clipType() == COLOR)) QTreeWidget::mouseDoubleClickEvent(event);
 137     else if ((columnAt(event->pos().x()) == 2) && it->type() != PROJECTSUBCLIPTYPE) QTreeWidget::mouseDoubleClickEvent(event);
 138     else emit showProperties(item->referencedClip());
 139 }
 140
 141 // virtual
 142 void ProjectListView::dragEnterEvent(QDragEnterEvent *event)
 143 {
 144     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 145         kDebug() << "////////////////  DRAG ENTR OK";
 146     }
 147     event->acceptProposedAction();
 148 }
 149
 150 // virtual
 151 void ProjectListView::dropEvent(QDropEvent *event)
 152 {
 153     FolderProjectItem *item = NULL;
 154     QTreeWidgetItem *it = itemAt(event->pos());
 155     while (it && it->type() != PROJECTFOLDERTYPE) {
 156         it = it->parent();
 157     }
 158     if (it) item = static_cast <FolderProjectItem *>(it);
 159     if (event->mimeData()->hasUrls()) {
 160         QString groupName;
 161         QString groupId;
 162         if (item) {
 163             groupName = item->groupName();
 164             groupId = item->clipId();
 165         }
 166         emit addClip(event->mimeData()->urls(), groupName, groupId);
 167         event->setDropAction(Qt::CopyAction);
 168         event->accept();
 169         return;
 170     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 171         if (item) {
 172             //emit addClip(event->mimeData->text());
 173             const QList <QTreeWidgetItem *> list = selectedItems();
 174             ProjectItem *clone;
 175             QString parentId = item->clipId();
 176             foreach(QTreeWidgetItem *it, list) {
 177                 // TODO allow dragging of folders ?
 178                 if (it->type() == PROJECTCLIPTYPE) {
 179                     if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 180                     else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 181                     if (clone) {
 182                         item->addChild(clone);
 183                         QMap <QString, QString> props;
 184                         props.insert("groupname", item->groupName());
 185                         props.insert("groupid", parentId);
 186                         clone->setProperties(props);
 187                     }
 188                 } else item = NULL;
 189             }
 190         } else {
 191             // item dropped in empty zone, move it to top level
 192             const QList <QTreeWidgetItem *> list = selectedItems();
 193             ProjectItem *clone;
 194             foreach(QTreeWidgetItem *it, list) {
 195                 QTreeWidgetItem *parent = it->parent();
 196                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 197                     kDebug() << "++ item parent: " << parent->text(1);
 198                     clone = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 199                     if (clone) {
 200                         addTopLevelItem(clone);
 201                         clone->clearProperty("groupname");
 202                         clone->clearProperty("groupid");
 203                     }
 204                 }
 205             }
 206         }
 207     } else if (event->mimeData()->hasFormat("kdenlive/clip")) {
 208         QStringList list = QString(event->mimeData()->data("kdenlive/clip")).split(';');
 209         emit addClipCut(list.at(0), list.at(1).toInt(), list.at(2).toInt());
 210     }
 211     event->acceptProposedAction();
 212 }
 213
 214 // virtual
 215 void ProjectListView::mousePressEvent(QMouseEvent *event)
 216 {
 217     if (event->button() == Qt::LeftButton) {
 218         m_DragStartPosition = event->pos();
 219         m_dragStarted = true;
 220         /*QTreeWidgetItem *underMouse = itemAt(event->pos());
 221         if (underMouse && underMouse->isSelected()) emit focusMonitor();*/
 222     }
 223     QTreeWidget::mousePressEvent(event);
 224 }
 225
 226 // virtual
 227 void ProjectListView::mouseReleaseEvent(QMouseEvent *event)
 228 {
 229     QTreeWidget::mouseReleaseEvent(event);
 230     QTreeWidgetItem *underMouse = itemAt(event->pos());
 231     if (underMouse) emit focusMonitor();
 232 }
 233
 234 // virtual
 235 void ProjectListView::mouseMoveEvent(QMouseEvent *event)
 236 {
 237     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 238     if (!m_dragStarted) return;
 239
 240     if ((event->pos() - m_DragStartPosition).manhattanLength()
 241             < QApplication::startDragDistance())
 242         return;
 243
 244     QTreeWidgetItem *it = itemAt(m_DragStartPosition);
 245     if (!it) return;
 246     if (it->type() == PROJECTSUBCLIPTYPE) {
 247         // subitem
 248         SubProjectItem *clickItem = static_cast <SubProjectItem *>(it);
 249         if (clickItem && (clickItem->flags() & Qt::ItemIsDragEnabled)) {
 250             ProjectItem *clip = static_cast <ProjectItem *>(it->parent());
 251             QDrag *drag = new QDrag(this);
 252             QMimeData *mimeData = new QMimeData;
 253
 254             QStringList list;
 255             list.append(clip->clipId());
 256             QPoint p = clickItem->zone();
 257             list.append(QString::number(p.x()));
 258             list.append(QString::number(p.y()));
 259             QByteArray data;
 260             data.append(list.join(";").toUtf8());
 261             mimeData->setData("kdenlive/clip", data);
 262             drag->setMimeData(mimeData);
 263             drag->setPixmap(clickItem->icon(0).pixmap(iconSize()));
 264             drag->setHotSpot(QPoint(0, 50));
 265             drag->exec();
 266         }
 267     } else {
 268         if (it && (it->flags() & Qt::ItemIsDragEnabled)) {
 269             QDrag *drag = new QDrag(this);
 270             QMimeData *mimeData = new QMimeData;
 271             const QList <QTreeWidgetItem *> list = selectedItems();
 272             QStringList ids;
 273             foreach(const QTreeWidgetItem *item, list) {
 274                 if (item->type() == PROJECTFOLDERTYPE) {
 275                     const int children = item->childCount();
 276                     for (int i = 0; i < children; i++) {
 277                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 278                     }
 279                 } else {
 280                     const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 281                     ids.append(clip->clipId());
 282                 }
 283             }
 284             if (ids.isEmpty()) return;
 285             QByteArray data;
 286             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 287             mimeData->setData("kdenlive/producerslist", data);
 288             //mimeData->setText(ids.join(";")); //doc.toString());
 289             //mimeData->setImageData(image);
 290             drag->setMimeData(mimeData);
 291             drag->setPixmap(it->icon(0).pixmap(iconSize()));
 292             drag->setHotSpot(QPoint(0, 50));
 293             drag->exec();
 294         }
 295         //event->accept();
 296     }
 297 }
 298
 299 // virtual
 300 void ProjectListView::dragMoveEvent(QDragMoveEvent * event)
 301 {
 302     //event->setDropAction(Qt::MoveAction);
 303     if (event->mimeData()->hasText()) {
 304         event->acceptProposedAction();
 305     }
 306     // stop playing because we get a crash otherwise when fetching the thumbnails
 307     emit pauseMonitor();
 308 }
 309
 310 QStringList ProjectListView::mimeTypes() const
 311 {
 312     QStringList qstrList;
 313     qstrList << QTreeWidget::mimeTypes();
 314     // list of accepted mime types for drop
 315     qstrList.append("text/uri-list");
 316     qstrList.append("text/plain");
 317     qstrList.append("kdenlive/producerslist");
 318     qstrList.append("kdenlive/clip");
 319     return qstrList;
 320 }
 321
 322
 323 Qt::DropActions ProjectListView::supportedDropActions() const
 324 {
 325     // returns what actions are supported when dropping
 326     return Qt::MoveAction;
 327 }
 328
 329 #include "projectlistview.moc"