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 "kdenlivesettings.h"
  24
  25 #include <KDebug>
  26 #include <KMenu>
  27 #include <KLocale>
  28
  29 #include <QApplication>
  30 #include <QHeaderView>
  31 #include <QAction>
  32
  33 ProjectListView::ProjectListView(QWidget *parent) :
  34         QTreeWidget(parent),
  35         m_dragStarted(false)
  36 {
  37     setSelectionMode(QAbstractItemView::ExtendedSelection);
  38     setDragDropMode(QAbstractItemView::DragDrop);
  39     setDropIndicatorShown(true);
  40     setAlternatingRowColors(true);
  41     setDragEnabled(true);
  42     setAcceptDrops(true);
  43
  44     setColumnCount(4);
  45     QStringList headers;
  46     headers << i18n("Thumbnail") << i18n("Filename") << i18n("Description") << i18n("Rating");
  47     setHeaderLabels(headers);
  48     sortByColumn(1, Qt::AscendingOrder);
  49
  50     QHeaderView* headerView = header();
  51     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
  52     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
  53             this, SLOT(configureColumns(const QPoint&)));
  54
  55     //connect(this, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)), this, SLOT(slotFocusOut(QTreeWidgetItem *, QTreeWidgetItem *)));
  56
  57     if (!KdenliveSettings::showdescriptioncolumn()) hideColumn(2);
  58     if (!KdenliveSettings::showratingcolumn()) hideColumn(3);
  59
  60     setSortingEnabled(true);
  61 }
  62
  63 ProjectListView::~ProjectListView()
  64 {
  65 }
  66
  67
  68 void ProjectListView::configureColumns(const QPoint& pos)
  69 {
  70     KMenu popup(this);
  71     popup.addTitle(i18nc("@title:menu", "Columns"));
  72
  73     QHeaderView* headerView = header();
  74     for (int i = 2; i < headerView->count(); ++i) {
  75         const QString text = model()->headerData(i, Qt::Horizontal).toString();
  76         QAction* action = popup.addAction(text);
  77         action->setCheckable(true);
  78         action->setChecked(!headerView->isSectionHidden(i));
  79         action->setData(i);
  80     }
  81
  82     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
  83     if (activatedAction != 0) {
  84         const bool show = activatedAction->isChecked();
  85
  86         // remember the changed column visibility in the settings
  87         const int columnIndex = activatedAction->data().toInt();
  88         switch (columnIndex) {
  89         case 2:
  90             KdenliveSettings::setShowdescriptioncolumn(show);
  91             break;
  92         case 3:
  93             KdenliveSettings::setShowratingcolumn(show);
  94             break;
  95         default:
  96             break;
  97         }
  98
  99         // apply the changed column visibility
 100         if (show) {
 101             showColumn(columnIndex);
 102         } else {
 103             hideColumn(columnIndex);
 104         }
 105     }
 106 }
 107
 108 // virtual
 109 void ProjectListView::contextMenuEvent(QContextMenuEvent * event)
 110 {
 111     emit requestMenu(event->globalPos(), itemAt(event->pos()));
 112 }
 113
 114 // virtual
 115 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event)
 116 {
 117     ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 118     if (!item) emit addClip();
 119     if (!(item->flags() & Qt::ItemIsDragEnabled)) return;
 120     else if (item->isGroup()) {
 121         if ((columnAt(event->pos().x()) == 1)) QTreeWidget::mouseDoubleClickEvent(event);
 122     } else {
 123         if ((columnAt(event->pos().x()) == 1) && (item->clipType() == SLIDESHOW || item->clipType() == TEXT || item->clipType() == COLOR)) QTreeWidget::mouseDoubleClickEvent(event);
 124         else if ((columnAt(event->pos().x()) == 2)) QTreeWidget::mouseDoubleClickEvent(event);
 125         else emit showProperties(item->referencedClip());
 126     }
 127 }
 128
 129 // virtual
 130 void ProjectListView::dragEnterEvent(QDragEnterEvent *event)
 131 {
 132     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 133         kDebug() << "////////////////  DRAG ENTR OK";
 134     }
 135     event->acceptProposedAction();
 136 }
 137
 138 // virtual
 139 void ProjectListView::dropEvent(QDropEvent *event)
 140 {
 141     kDebug() << "////////////////  DROPPED EVENT";
 142     if (event->mimeData()->hasUrls()) {
 143         QTreeWidgetItem *item = itemAt(event->pos());
 144         QString groupName;
 145         if (item) {
 146             if (((ProjectItem *) item)->isGroup()) groupName = item->text(1);
 147             else if (item->parent() && ((ProjectItem *) item->parent())->isGroup())
 148                 groupName = item->parent()->text(1);
 149         }
 150         emit addClip(event->mimeData()->urls(), groupName);
 151
 152     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 153         ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 154         if (item) {
 155             if (item->parent()) item = static_cast <ProjectItem *>(item->parent());
 156             if (item->isGroup()) {
 157                 //emit addClip(event->mimeData->text());
 158                 kDebug() << "////////////////  DROPPED RIGHT 1 ";
 159                 const QList <QTreeWidgetItem *> list = selectedItems();
 160                 ProjectItem *clone;
 161                 QString parentId = item->clipId();
 162                 foreach(QTreeWidgetItem *it, list) {
 163                     // TODO allow dragging of folders ?
 164                     if (!((ProjectItem *) it)->isGroup()/* && ((ProjectItem *) it)->clipId() < 10000*/) {
 165                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 166                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 167                         if (clone) {
 168                             item->addChild(clone);
 169                             QMap <QString, QString> props;
 170                             props.insert("groupname", item->groupName());
 171                             props.insert("groupid", parentId);
 172                             clone->setProperties(props);
 173                         }
 174                     }
 175                 }
 176             } else item = NULL;
 177         }
 178         if (!item) {
 179             kDebug() << "////////////////  DROPPED ON EMPTY ZONE";
 180             // item dropped in empty zone, move it to top level
 181             const QList <QTreeWidgetItem *> list = selectedItems();
 182             ProjectItem *clone;
 183             foreach(QTreeWidgetItem *it, list) {
 184                 QTreeWidgetItem *parent = it->parent();
 185                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 186                     kDebug() << "++ item parent: " << parent->text(1);
 187                     clone = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 188                     if (clone) {
 189                         addTopLevelItem(clone);
 190                         clone->clearProperty("groupname");
 191                         clone->clearProperty("groupid");
 192                     }
 193                 }
 194             }
 195         }
 196     }
 197     event->acceptProposedAction();
 198 }
 199
 200 // virtual
 201 void ProjectListView::mousePressEvent(QMouseEvent *event)
 202 {
 203     if (event->button() == Qt::LeftButton) {
 204         m_DragStartPosition = event->pos();
 205         m_dragStarted = true;
 206         QTreeWidgetItem *underMouse = itemAt(event->pos());
 207         if (underMouse && underMouse->isSelected()) emit focusMonitor();
 208     }
 209     QTreeWidget::mousePressEvent(event);
 210 }
 211
 212
 213 // virtual
 214 void ProjectListView::mouseMoveEvent(QMouseEvent *event)
 215 {
 216     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 217     if (!m_dragStarted) return;
 218
 219     if ((event->pos() - m_DragStartPosition).manhattanLength()
 220             < QApplication::startDragDistance())
 221         return;
 222
 223     {
 224         ProjectItem *clickItem = static_cast <ProjectItem *>(itemAt(m_DragStartPosition));
 225         if (clickItem && (clickItem->flags() & Qt::ItemIsDragEnabled)) {
 226             QDrag *drag = new QDrag(this);
 227             QMimeData *mimeData = new QMimeData;
 228             const QList <QTreeWidgetItem *> list = selectedItems();
 229             QStringList ids;
 230             foreach(const QTreeWidgetItem *item, list) {
 231                 const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 232                 if (!clip->isGroup()) ids.append(clip->clipId());
 233                 else {
 234                     const int children = item->childCount();
 235                     for (int i = 0; i < children; i++) {
 236                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 237                     }
 238                 }
 239             }
 240             if (ids.isEmpty()) return;
 241             QByteArray data;
 242             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 243             mimeData->setData("kdenlive/producerslist", data);
 244             //mimeData->setText(ids.join(";")); //doc.toString());
 245             //mimeData->setImageData(image);
 246             drag->setMimeData(mimeData);
 247             drag->setPixmap(clickItem->icon(0).pixmap(iconSize()));
 248             drag->setHotSpot(QPoint(0, 50));
 249             drag->exec(Qt::MoveAction);
 250         }
 251         //event->accept();
 252     }
 253 }
 254
 255 // virtual
 256 void ProjectListView::dragMoveEvent(QDragMoveEvent * event)
 257 {
 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 {
 269     QStringList qstrList;
 270     qstrList << QTreeWidget::mimeTypes();
 271     // list of accepted mime types for drop
 272     qstrList.append("text/uri-list");
 273     qstrList.append("text/plain");
 274     qstrList.append("kdenlive/producerslist");
 275     return qstrList;
 276 }
 277
 278
 279 Qt::DropActions ProjectListView::supportedDropActions() const
 280 {
 281     // returns what actions are supported when dropping
 282     return Qt::MoveAction;
 283 }
 284
 285 #include "projectlistview.moc"