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     if ((columnAt(event->pos().x()) == 0) && (item->clipType() == SLIDESHOW || item->clipType() == TEXT || item->clipType() == COLOR)) QTreeWidget::mouseDoubleClickEvent(event);
 140     else if ((columnAt(event->pos().x()) == 1) && it->type() != PROJECTSUBCLIPTYPE) QTreeWidget::mouseDoubleClickEvent(event);
 141     else emit showProperties(item->referencedClip());
 142 }
 143
 144 // virtual
 145 void ProjectListView::dragEnterEvent(QDragEnterEvent *event)
 146 {
 147     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 148         kDebug() << "////////////////  DRAG ENTR OK";
 149     }
 150     event->acceptProposedAction();
 151 }
 152
 153 // virtual
 154 void ProjectListView::dropEvent(QDropEvent *event)
 155 {
 156     FolderProjectItem *item = NULL;
 157     QTreeWidgetItem *it = itemAt(event->pos());
 158     while (it && it->type() != PROJECTFOLDERTYPE) {
 159         it = it->parent();
 160     }
 161     if (it) item = static_cast <FolderProjectItem *>(it);
 162     if (event->mimeData()->hasUrls()) {
 163         QString groupName;
 164         QString groupId;
 165         if (item) {
 166             groupName = item->groupName();
 167             groupId = item->clipId();
 168         }
 169         emit addClip(event->mimeData()->urls(), groupName, groupId);
 170         event->setDropAction(Qt::CopyAction);
 171         event->accept();
 172         return;
 173     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 174         if (item) {
 175             //emit addClip(event->mimeData->text());
 176             const QList <QTreeWidgetItem *> list = selectedItems();
 177             ProjectItem *clone;
 178             QString parentId = item->clipId();
 179             foreach(QTreeWidgetItem *it, list) {
 180                 // TODO allow dragging of folders ?
 181                 if (it->type() == PROJECTCLIPTYPE) {
 182                     if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 183                     else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 184                     if (clone) {
 185                         item->addChild(clone);
 186                         QMap <QString, QString> props;
 187                         props.insert("groupname", item->groupName());
 188                         props.insert("groupid", parentId);
 189                         clone->setProperties(props);
 190                     }
 191                 } else item = NULL;
 192             }
 193         } else {
 194             // item dropped in empty zone, move it to top level
 195             const QList <QTreeWidgetItem *> list = selectedItems();
 196             ProjectItem *clone;
 197             foreach(QTreeWidgetItem *it, list) {
 198                 QTreeWidgetItem *parent = it->parent();
 199                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 200                     kDebug() << "++ item parent: " << parent->text(1);
 201                     clone = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 202                     if (clone) {
 203                         addTopLevelItem(clone);
 204                         clone->clearProperty("groupname");
 205                         clone->clearProperty("groupid");
 206                     }
 207                 }
 208             }
 209         }
 210     } else if (event->mimeData()->hasFormat("kdenlive/clip")) {
 211         QStringList list = QString(event->mimeData()->data("kdenlive/clip")).split(';');
 212         emit addClipCut(list.at(0), list.at(1).toInt(), list.at(2).toInt());
 213     }
 214     event->acceptProposedAction();
 215 }
 216
 217 // virtual
 218 void ProjectListView::mousePressEvent(QMouseEvent *event)
 219 {
 220     if (event->button() == Qt::LeftButton) {
 221         m_DragStartPosition = event->pos();
 222         m_dragStarted = true;
 223         /*QTreeWidgetItem *underMouse = itemAt(event->pos());
 224         if (underMouse && underMouse->isSelected()) emit focusMonitor();*/
 225     }
 226     QTreeWidget::mousePressEvent(event);
 227 }
 228
 229 // virtual
 230 void ProjectListView::mouseReleaseEvent(QMouseEvent *event)
 231 {
 232     QTreeWidget::mouseReleaseEvent(event);
 233     QTreeWidgetItem *underMouse = itemAt(event->pos());
 234     if (underMouse) emit focusMonitor();
 235 }
 236
 237 // virtual
 238 void ProjectListView::mouseMoveEvent(QMouseEvent *event)
 239 {
 240     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 241     if (!m_dragStarted) return;
 242
 243     if ((event->pos() - m_DragStartPosition).manhattanLength()
 244             < QApplication::startDragDistance())
 245         return;
 246
 247     QTreeWidgetItem *it = itemAt(m_DragStartPosition);
 248     if (!it) return;
 249     if (it->type() == PROJECTSUBCLIPTYPE) {
 250         // subitem
 251         SubProjectItem *clickItem = static_cast <SubProjectItem *>(it);
 252         if (clickItem && (clickItem->flags() & Qt::ItemIsDragEnabled)) {
 253             ProjectItem *clip = static_cast <ProjectItem *>(it->parent());
 254             QDrag *drag = new QDrag(this);
 255             QMimeData *mimeData = new QMimeData;
 256
 257             QStringList list;
 258             list.append(clip->clipId());
 259             QPoint p = clickItem->zone();
 260             list.append(QString::number(p.x()));
 261             list.append(QString::number(p.y()));
 262             QByteArray data;
 263             data.append(list.join(";").toUtf8());
 264             mimeData->setData("kdenlive/clip", data);
 265             drag->setMimeData(mimeData);
 266             drag->setPixmap(clickItem->data(0, Qt::DecorationRole).value<QPixmap>());
 267             drag->setHotSpot(QPoint(0, 50));
 268             drag->exec();
 269         }
 270     } else {
 271         if (it && (it->flags() & Qt::ItemIsDragEnabled)) {
 272             QDrag *drag = new QDrag(this);
 273             QMimeData *mimeData = new QMimeData;
 274             const QList <QTreeWidgetItem *> list = selectedItems();
 275             QStringList ids;
 276             foreach(const QTreeWidgetItem *item, list) {
 277                 if (item->type() == PROJECTFOLDERTYPE) {
 278                     const int children = item->childCount();
 279                     for (int i = 0; i < children; i++) {
 280                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 281                     }
 282                 } else {
 283                     const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 284                     ids.append(clip->clipId());
 285                 }
 286             }
 287             if (ids.isEmpty()) return;
 288             QByteArray data;
 289             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 290             mimeData->setData("kdenlive/producerslist", data);
 291             //mimeData->setText(ids.join(";")); //doc.toString());
 292             //mimeData->setImageData(image);
 293             drag->setMimeData(mimeData);
 294             drag->setPixmap(it->data(0, Qt::DecorationRole).value<QPixmap>());
 295             drag->setHotSpot(QPoint(0, 50));
 296             drag->exec();
 297         }
 298         //event->accept();
 299     }
 300 }
 301
 302 // virtual
 303 void ProjectListView::dragMoveEvent(QDragMoveEvent * event)
 304 {
 305     //event->setDropAction(Qt::MoveAction);
 306     if (event->mimeData()->hasText()) {
 307         event->acceptProposedAction();
 308     }
 309     // stop playing because we get a crash otherwise when fetching the thumbnails
 310     emit pauseMonitor();
 311 }
 312
 313 QStringList ProjectListView::mimeTypes() const
 314 {
 315     QStringList qstrList;
 316     qstrList << QTreeWidget::mimeTypes();
 317     // list of accepted mime types for drop
 318     qstrList.append("text/uri-list");
 319     qstrList.append("text/plain");
 320     qstrList.append("kdenlive/producerslist");
 321     qstrList.append("kdenlive/clip");
 322     return qstrList;
 323 }
 324
 325
 326 Qt::DropActions ProjectListView::supportedDropActions() const
 327 {
 328     // returns what actions are supported when dropping
 329     return Qt::MoveAction;
 330 }
 331
 332 #include "projectlistview.moc"