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 "kdenlivesettings.h"
  25
  26 #include <KDebug>
  27 #include <KMenu>
  28 #include <KLocale>
  29
  30 #include <QApplication>
  31 #include <QHeaderView>
  32 #include <QAction>
  33
  34 ProjectListView::ProjectListView(QWidget *parent) :
  35         QTreeWidget(parent),
  36         m_dragStarted(false)
  37 {
  38     setSelectionMode(QAbstractItemView::ExtendedSelection);
  39     setDragDropMode(QAbstractItemView::DragDrop);
  40     setDropIndicatorShown(true);
  41     setAlternatingRowColors(true);
  42     setDragEnabled(true);
  43     setAcceptDrops(true);
  44
  45     setColumnCount(4);
  46     QStringList headers;
  47     headers << i18n("Thumbnail") << i18n("Filename") << i18n("Description") << i18n("Rating");
  48     setHeaderLabels(headers);
  49     sortByColumn(1, Qt::AscendingOrder);
  50
  51     QHeaderView* headerView = header();
  52     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
  53     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
  54             this, SLOT(configureColumns(const QPoint&)));
  55
  56     //connect(this, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)), this, SLOT(slotFocusOut(QTreeWidgetItem *, QTreeWidgetItem *)));
  57
  58     if (!KdenliveSettings::showdescriptioncolumn()) hideColumn(2);
  59     if (!KdenliveSettings::showratingcolumn()) hideColumn(3);
  60
  61     setSortingEnabled(true);
  62 }
  63
  64 ProjectListView::~ProjectListView()
  65 {
  66 }
  67
  68
  69 void ProjectListView::configureColumns(const QPoint& pos)
  70 {
  71     KMenu popup(this);
  72     popup.addTitle(i18nc("@title:menu", "Columns"));
  73
  74     QHeaderView* headerView = header();
  75     for (int i = 2; i < headerView->count(); ++i) {
  76         const QString text = model()->headerData(i, Qt::Horizontal).toString();
  77         QAction* action = popup.addAction(text);
  78         action->setCheckable(true);
  79         action->setChecked(!headerView->isSectionHidden(i));
  80         action->setData(i);
  81     }
  82
  83     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
  84     if (activatedAction != 0) {
  85         const bool show = activatedAction->isChecked();
  86
  87         // remember the changed column visibility in the settings
  88         const int columnIndex = activatedAction->data().toInt();
  89         switch (columnIndex) {
  90         case 2:
  91             KdenliveSettings::setShowdescriptioncolumn(show);
  92             break;
  93         case 3:
  94             KdenliveSettings::setShowratingcolumn(show);
  95             break;
  96         default:
  97             break;
  98         }
  99
 100         // apply the changed column visibility
 101         if (show) {
 102             showColumn(columnIndex);
 103         } else {
 104             hideColumn(columnIndex);
 105         }
 106     }
 107 }
 108
 109 // virtual
 110 void ProjectListView::contextMenuEvent(QContextMenuEvent * event)
 111 {
 112     emit requestMenu(event->globalPos(), itemAt(event->pos()));
 113 }
 114
 115 // virtual
 116 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event)
 117 {
 118     QTreeWidgetItem *it = itemAt(event->pos());
 119     if (!it) return;
 120     ProjectItem *item;
 121     if (it->type() == QTreeWidgetItem::UserType + 1) {
 122         // subitem
 123         item = static_cast <ProjectItem *>(it->parent());
 124     } else item = static_cast <ProjectItem *>(it);
 125     if (!item) {
 126         emit addClip();
 127         return;
 128     }
 129     if (!(item->flags() & Qt::ItemIsDragEnabled)) return;
 130     if (item->isGroup()) {
 131         if ((columnAt(event->pos().x()) == 1)) QTreeWidget::mouseDoubleClickEvent(event);
 132     } else {
 133         if ((columnAt(event->pos().x()) == 1) && (item->clipType() == SLIDESHOW || item->clipType() == TEXT || item->clipType() == COLOR)) QTreeWidget::mouseDoubleClickEvent(event);
 134         else if ((columnAt(event->pos().x()) == 2)) QTreeWidget::mouseDoubleClickEvent(event);
 135         else emit showProperties(item->referencedClip());
 136     }
 137 }
 138
 139 // virtual
 140 void ProjectListView::dragEnterEvent(QDragEnterEvent *event)
 141 {
 142     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 143         kDebug() << "////////////////  DRAG ENTR OK";
 144     }
 145     event->acceptProposedAction();
 146 }
 147
 148 // virtual
 149 void ProjectListView::dropEvent(QDropEvent *event)
 150 {
 151     ProjectItem *item = NULL;
 152     QTreeWidgetItem *it = itemAt(event->pos());
 153     if (it) {
 154         if (it->type() == QTreeWidgetItem::UserType + 1) {
 155             // subitem
 156             item = static_cast <ProjectItem *>(it->parent());
 157         } else item = static_cast <ProjectItem *>(it);
 158     }
 159
 160     if (event->mimeData()->hasUrls()) {
 161         QString groupName;
 162         QString groupId;
 163         if (item) {
 164             if (item->parent()) item = static_cast <ProjectItem *>(item->parent());
 165             if (item->isGroup()) {
 166                 groupName = item->groupName();
 167                 groupId = item->clipId();
 168             }
 169         }
 170         emit addClip(event->mimeData()->urls(), groupName, groupId);
 171         event->setDropAction(Qt::CopyAction);
 172         event->accept();
 173         return;
 174     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 175         if (item) {
 176             if (item->parent()) item = static_cast <ProjectItem *>(item->parent());
 177             if (item->isGroup()) {
 178                 //emit addClip(event->mimeData->text());
 179                 const QList <QTreeWidgetItem *> list = selectedItems();
 180                 ProjectItem *clone;
 181                 QString parentId = item->clipId();
 182                 foreach(QTreeWidgetItem *it, list) {
 183                     // TODO allow dragging of folders ?
 184                     if (!((ProjectItem *) it)->isGroup()/* && ((ProjectItem *) it)->clipId() < 10000*/) {
 185                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 186                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 187                         if (clone) {
 188                             item->addChild(clone);
 189                             QMap <QString, QString> props;
 190                             props.insert("groupname", item->groupName());
 191                             props.insert("groupid", parentId);
 192                             clone->setProperties(props);
 193                         }
 194                     }
 195                 }
 196             } else item = NULL;
 197         }
 198         if (!item) {
 199             // item dropped in empty zone, move it to top level
 200             const QList <QTreeWidgetItem *> list = selectedItems();
 201             ProjectItem *clone;
 202             foreach(QTreeWidgetItem *it, list) {
 203                 QTreeWidgetItem *parent = it->parent();
 204                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 205                     kDebug() << "++ item parent: " << parent->text(1);
 206                     clone = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 207                     if (clone) {
 208                         addTopLevelItem(clone);
 209                         clone->clearProperty("groupname");
 210                         clone->clearProperty("groupid");
 211                     }
 212                 }
 213             }
 214         }
 215     } else if (event->mimeData()->hasFormat("kdenlive/clip")) {
 216         QStringList list = QString(event->mimeData()->data("kdenlive/clip")).split(';');
 217         emit addClipCut(list.at(0), list.at(1).toInt(), list.at(2).toInt());
 218     }
 219     event->acceptProposedAction();
 220 }
 221
 222 // virtual
 223 void ProjectListView::mousePressEvent(QMouseEvent *event)
 224 {
 225     if (event->button() == Qt::LeftButton) {
 226         m_DragStartPosition = event->pos();
 227         m_dragStarted = true;
 228         /*QTreeWidgetItem *underMouse = itemAt(event->pos());
 229         if (underMouse && underMouse->isSelected()) emit focusMonitor();*/
 230     }
 231     QTreeWidget::mousePressEvent(event);
 232 }
 233
 234 // virtual
 235 void ProjectListView::mouseReleaseEvent(QMouseEvent *event)
 236 {
 237     QTreeWidget::mouseReleaseEvent(event);
 238     QTreeWidgetItem *underMouse = itemAt(event->pos());
 239     if (underMouse) emit focusMonitor();
 240 }
 241
 242 // virtual
 243 void ProjectListView::mouseMoveEvent(QMouseEvent *event)
 244 {
 245     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 246     if (!m_dragStarted) return;
 247
 248     if ((event->pos() - m_DragStartPosition).manhattanLength()
 249             < QApplication::startDragDistance())
 250         return;
 251
 252     QTreeWidgetItem *it = itemAt(m_DragStartPosition);
 253     if (!it) return;
 254     if (it->type() == QTreeWidgetItem::UserType + 1) {
 255         // subitem
 256         SubProjectItem *clickItem = static_cast <SubProjectItem *>(it);
 257         if (clickItem && (clickItem->flags() & Qt::ItemIsDragEnabled)) {
 258             ProjectItem *clip = static_cast <ProjectItem *>(it->parent());
 259             QDrag *drag = new QDrag(this);
 260             QMimeData *mimeData = new QMimeData;
 261
 262             QStringList list;
 263             list.append(clip->clipId());
 264             QPoint p = clickItem->zone();
 265             list.append(QString::number(p.x()));
 266             list.append(QString::number(p.y()));
 267             QByteArray data;
 268             data.append(list.join(";").toUtf8());
 269             mimeData->setData("kdenlive/clip", data);
 270             drag->setMimeData(mimeData);
 271             drag->setPixmap(clickItem->icon(0).pixmap(iconSize()));
 272             drag->setHotSpot(QPoint(0, 50));
 273             drag->exec();
 274         }
 275     } else {
 276         ProjectItem *clickItem = static_cast <ProjectItem *>(it);
 277         if (clickItem && (clickItem->flags() & Qt::ItemIsDragEnabled)) {
 278             QDrag *drag = new QDrag(this);
 279             QMimeData *mimeData = new QMimeData;
 280             const QList <QTreeWidgetItem *> list = selectedItems();
 281             QStringList ids;
 282             foreach(const QTreeWidgetItem *item, list) {
 283                 const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 284                 if (!clip->isGroup()) ids.append(clip->clipId());
 285                 else {
 286                     const int children = item->childCount();
 287                     for (int i = 0; i < children; i++) {
 288                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 289                     }
 290                 }
 291             }
 292             if (ids.isEmpty()) return;
 293             QByteArray data;
 294             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 295             mimeData->setData("kdenlive/producerslist", data);
 296             //mimeData->setText(ids.join(";")); //doc.toString());
 297             //mimeData->setImageData(image);
 298             drag->setMimeData(mimeData);
 299             drag->setPixmap(clickItem->icon(0).pixmap(iconSize()));
 300             drag->setHotSpot(QPoint(0, 50));
 301             drag->exec();
 302         }
 303         //event->accept();
 304     }
 305 }
 306
 307 // virtual
 308 void ProjectListView::dragMoveEvent(QDragMoveEvent * event)
 309 {
 310     //event->setDropAction(Qt::MoveAction);
 311     if (event->mimeData()->hasText()) {
 312         event->acceptProposedAction();
 313     }
 314     // stop playing because we get a crash otherwise when fetching the thumbnails
 315     emit pauseMonitor();
 316 }
 317
 318 QStringList ProjectListView::mimeTypes() const
 319 {
 320     QStringList qstrList;
 321     qstrList << QTreeWidget::mimeTypes();
 322     // list of accepted mime types for drop
 323     qstrList.append("text/uri-list");
 324     qstrList.append("text/plain");
 325     qstrList.append("kdenlive/producerslist");
 326     qstrList.append("kdenlive/clip");
 327     return qstrList;
 328 }
 329
 330
 331 Qt::DropActions ProjectListView::supportedDropActions() const
 332 {
 333     // returns what actions are supported when dropping
 334     return Qt::MoveAction;
 335 }
 336
 337 #include "projectlistview.moc"