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 #include <QApplication>
  21 #include <QHeaderView>
  22 #include <QAction>
  23
  24 #include <KDebug>
  25 #include <KMenu>
  26 #include <KLocale>
  27
  28 #include "projectitem.h"
  29 #include "projectlistview.h"
  30 #include "kdenlivesettings.h"
  31
  32
  33 ProjectListView::ProjectListView(QWidget *parent)
  34         : QTreeWidget(parent), m_dragStarted(false) {
  35     setSelectionMode(QAbstractItemView::ExtendedSelection);
  36     setDragDropMode(QAbstractItemView::DragDrop);
  37     setDropIndicatorShown(true);
  38     setAlternatingRowColors(true);
  39     setDragEnabled(true);
  40     setAcceptDrops(true);
  41
  42     setColumnCount(4);
  43     QStringList headers;
  44     headers << i18n("Thumbnail") << i18n("Filename") << i18n("Description") << i18n("Rating");
  45     setHeaderLabels(headers);
  46     sortByColumn(1, Qt::AscendingOrder);
  47
  48     QHeaderView* headerView = header();
  49     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
  50     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
  51             this, SLOT(configureColumns(const QPoint&)));
  52
  53     //connect(this, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)), this, SLOT(slotFocusOut(QTreeWidgetItem *, QTreeWidgetItem *)));
  54
  55     if (!KdenliveSettings::showdescriptioncolumn()) hideColumn(2);
  56     if (!KdenliveSettings::showratingcolumn()) hideColumn(3);
  57
  58     setIconSize(QSize(60, 40));
  59     setSortingEnabled(true);
  60 }
  61
  62 ProjectListView::~ProjectListView() {
  63 }
  64
  65
  66 void ProjectListView::configureColumns(const QPoint& pos) {
  67     KMenu popup(this);
  68     popup.addTitle(i18nc("@title:menu", "Columns"));
  69
  70     QHeaderView* headerView = header();
  71     for (int i = 2; i < headerView->count(); ++i) {
  72         const int logicalIndex = headerView->logicalIndex(i);
  73         const QString text = model()->headerData(i, Qt::Horizontal).toString();
  74         QAction* action = popup.addAction(text);
  75         action->setCheckable(true);
  76         action->setChecked(!headerView->isSectionHidden(logicalIndex));
  77         action->setData(i);
  78     }
  79
  80     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
  81     if (activatedAction != 0) {
  82         const bool show = activatedAction->isChecked();
  83
  84         // remember the changed column visibility in the settings
  85         const int columnIndex = activatedAction->data().toInt();
  86         switch (columnIndex) {
  87         case 2:
  88             KdenliveSettings::setShowdescriptioncolumn(show);
  89             break;
  90         case 3:
  91             KdenliveSettings::setShowratingcolumn(show);
  92             break;
  93         default:
  94             break;
  95         }
  96
  97         // apply the changed column visibility
  98         if (show) {
  99             showColumn(columnIndex);
 100         } else {
 101             hideColumn(columnIndex);
 102         }
 103     }
 104 }
 105
 106 // virtual
 107 void ProjectListView::contextMenuEvent(QContextMenuEvent * event) {
 108     emit requestMenu(event->globalPos(), itemAt(event->pos()));
 109 }
 110
 111 // virtual
 112 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event) {
 113     ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 114     if (!item) emit addClip();
 115     else if (item->isGroup()) {
 116         if ((columnAt(event->pos().x()) == 1)) QTreeWidget::mouseDoubleClickEvent(event);
 117     } else {
 118         if ((columnAt(event->pos().x()) == 1) && (item->clipType() == SLIDESHOW || item->clipType() == TEXT || item->clipType() == COLOR)) QTreeWidget::mouseDoubleClickEvent(event);
 119         else if ((columnAt(event->pos().x()) == 2)) QTreeWidget::mouseDoubleClickEvent(event);
 120         else emit showProperties(item->referencedClip());
 121     }
 122 }
 123
 124 // virtual
 125 void ProjectListView::dragEnterEvent(QDragEnterEvent *event) {
 126     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 127         kDebug() << "////////////////  DRAG ENTR OK";
 128     }
 129     event->acceptProposedAction();
 130 }
 131
 132 // virtual
 133 void ProjectListView::dropEvent(QDropEvent *event) {
 134     kDebug() << "////////////////  DROPPED EVENT";
 135     if (event->mimeData()->hasUrls()) {
 136         QTreeWidgetItem *item = itemAt(event->pos());
 137         QString groupName;
 138         if (item) {
 139             if (((ProjectItem *) item)->isGroup()) groupName = item->text(1);
 140             else if (item->parent() && ((ProjectItem *) item->parent())->isGroup())
 141                 groupName = item->parent()->text(1);
 142         }
 143         const QList <QUrl> list = event->mimeData()->urls();
 144         foreach(const QUrl &url, list) {
 145             emit addClip(KUrl(url), groupName);
 146         }
 147
 148     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 149         ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 150         if (item) {
 151             if (item->parent()) item = static_cast <ProjectItem *>(item->parent());
 152             if (item->isGroup()) {
 153                 //emit addClip(event->mimeData->text());
 154                 kDebug() << "////////////////  DROPPED RIGHT 1 ";
 155                 const QList <QTreeWidgetItem *> list = selectedItems();
 156                 ProjectItem *clone;
 157                 QString parentId = item->clipId();
 158                 foreach(QTreeWidgetItem *it, list) {
 159                     // TODO allow dragging of folders ?
 160                     if (!((ProjectItem *) it)->isGroup()/* && ((ProjectItem *) it)->clipId() < 10000*/) {
 161                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 162                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 163                         if (clone) {
 164                             item->addChild(clone);
 165                             QMap <QString, QString> props;
 166                             props.insert("groupname", item->groupName());
 167                             props.insert("groupid", parentId);
 168                             clone->setProperties(props);
 169                         }
 170                     }
 171                 }
 172             } else item = NULL;
 173         }
 174         if (!item) {
 175             kDebug() << "////////////////  DROPPED ON EMPTY ZONE";
 176             // item dropped in empty zone, move it to top level
 177             const QList <QTreeWidgetItem *> list = selectedItems();
 178             ProjectItem *clone;
 179             foreach(QTreeWidgetItem *it, list) {
 180                 QTreeWidgetItem *parent = it->parent();
 181                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 182                     kDebug() << "++ item parent: " << parent->text(1);
 183                     clone = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 184                     if (clone) {
 185                         addTopLevelItem(clone);
 186                         clone->clearProperty("groupname");
 187                         clone->clearProperty("groupid");
 188                     }
 189                 }
 190             }
 191         }
 192     }
 193     event->acceptProposedAction();
 194 }
 195
 196 // virtual
 197 void ProjectListView::mousePressEvent(QMouseEvent *event) {
 198     if (event->button() == Qt::LeftButton) {
 199         this->m_DragStartPosition = event->pos();
 200         m_dragStarted = true;
 201         QTreeWidgetItem *underMouse = itemAt(event->pos());
 202         if (underMouse && underMouse->isSelected()) emit focusMonitor();
 203     }
 204     QTreeWidget::mousePressEvent(event);
 205 }
 206
 207
 208 // virtual
 209 void ProjectListView::mouseMoveEvent(QMouseEvent *event) {
 210     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 211     if (!m_dragStarted) return;
 212
 213     if ((event->pos() - m_DragStartPosition).manhattanLength()
 214             < QApplication::startDragDistance())
 215         return;
 216
 217     {
 218         ProjectItem *clickItem = (ProjectItem *) itemAt(m_DragStartPosition); //event->pos());
 219         if (clickItem) {
 220             QDrag *drag = new QDrag(this);
 221             QMimeData *mimeData = new QMimeData;
 222             QDomDocument doc;
 223             const QList <QTreeWidgetItem *> list = selectedItems();
 224             QStringList ids;
 225             foreach(const QTreeWidgetItem *item, list) {
 226                 const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 227                 if (!clip->isGroup()) ids.append(clip->clipId());
 228                 else {
 229                     const int children = item->childCount();
 230                     for (int i = 0; i < children; i++) {
 231                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 232                     }
 233                 }
 234             }
 235             if (ids.isEmpty()) return;
 236             QByteArray data;
 237             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 238             mimeData->setData("kdenlive/producerslist", data);
 239             //mimeData->setText(ids.join(";")); //doc.toString());
 240             //mimeData->setImageData(image);
 241             drag->setMimeData(mimeData);
 242             drag->setPixmap(clickItem->icon(0).pixmap((int)(50 *16 / 9.0), 50));
 243             drag->setHotSpot(QPoint(0, 50));
 244             drag->start(Qt::MoveAction);
 245
 246             //Qt::DropAction dropAction;
 247             //dropAction = drag->start(Qt::CopyAction | Qt::MoveAction);
 248
 249             //Qt::DropAction dropAction = drag->exec();
 250
 251         }
 252         //event->accept();
 253     }
 254 }
 255
 256 // virtual
 257 void ProjectListView::dragMoveEvent(QDragMoveEvent * event) {
 258     event->setDropAction(Qt::IgnoreAction);
 259     event->setDropAction(Qt::MoveAction);
 260     if (event->mimeData()->hasText()) {
 261         event->acceptProposedAction();
 262     }
 263     // stop playing because we get a crash otherwise when fetching the thumbnails
 264     emit pauseMonitor();
 265 }
 266
 267 QStringList ProjectListView::mimeTypes() const {
 268     QStringList qstrList;
 269     qstrList << QTreeWidget::mimeTypes();
 270     // list of accepted mime types for drop
 271     qstrList.append("text/uri-list");
 272     qstrList.append("text/plain");
 273     qstrList.append("kdenlive/producerslist");
 274     return qstrList;
 275 }
 276
 277
 278 Qt::DropActions ProjectListView::supportedDropActions() const {
 279     // returns what actions are supported when dropping
 280     return Qt::MoveAction;
 281 }
 282
 283 #include "projectlistview.moc"