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
  22 #include "KDebug"
  23
  24 #include "projectitem.h"
  25 #include "projectlistview.h"
  26
  27
  28 ProjectListView::ProjectListView(QWidget *parent)
  29         : QTreeWidget(parent), m_dragStarted(false) {
  30     setSelectionMode(QAbstractItemView::ExtendedSelection);
  31     setDragDropMode(QAbstractItemView::DragDrop);
  32     setDropIndicatorShown(true);
  33     setAlternatingRowColors(true);
  34     setDragEnabled(true);
  35     setAcceptDrops(true);
  36 }
  37
  38 ProjectListView::~ProjectListView() {
  39 }
  40
  41 void ProjectListView::editItem(QTreeWidgetItem * item, int column) {
  42     kDebug() << "////////////////  EDIT ITEM, COL: " << column;
  43 }
  44
  45 // virtual
  46 void ProjectListView::contextMenuEvent(QContextMenuEvent * event) {
  47     emit requestMenu(event->globalPos(), itemAt(event->pos()));
  48 }
  49
  50 // virtual
  51 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event) {
  52     if (!itemAt(event->pos())) emit addClip();
  53     else if (columnAt(event->pos().x()) == 2) QTreeWidget::mouseDoubleClickEvent(event);
  54 }
  55
  56 // virtual
  57 void ProjectListView::dragEnterEvent(QDragEnterEvent *event) {
  58     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
  59         kDebug() << "////////////////  DRAG ENTR OK";
  60     }
  61     event->acceptProposedAction();
  62 }
  63
  64 // virtual
  65 void ProjectListView::dropEvent(QDropEvent *event) {
  66     kDebug() << "////////////////  DROPPED EVENT";
  67     if (event->mimeData()->hasUrls()) {
  68         QTreeWidgetItem *item = itemAt(event->pos());
  69         QString groupName;
  70         if (item) {
  71             if (((ProjectItem *) item)->isGroup()) groupName = item->text(1);
  72             else if (item->parent() && ((ProjectItem *) item->parent())->isGroup())
  73                 groupName = item->parent()->text(1);
  74         }
  75         QList <QUrl> list;
  76         list = event->mimeData()->urls();
  77         foreach(QUrl url, list) {
  78             emit addClip(url, groupName);
  79         }
  80
  81     } else if (event->mimeData()->hasText()) {
  82         QTreeWidgetItem *item = itemAt(event->pos());
  83         if (item) {
  84             if (item->parent()) item = item->parent();
  85             if (((ProjectItem *) item)->isGroup()) {
  86                 //emit addClip(event->mimeData->text());
  87                 kDebug() << "////////////////  DROPPED RIGHT 1 ";
  88                 QList <QTreeWidgetItem *> list;
  89                 list = selectedItems();
  90                 ProjectItem *clone;
  91                 foreach(QTreeWidgetItem *it, list) {
  92                     // TODO allow dragging of folders ?
  93                     if (!((ProjectItem *) it)->isGroup() && ((ProjectItem *) it)->clipId() < 10000) {
  94                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
  95                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
  96                         if (clone) item->addChild(clone);
  97                     }
  98                 }
  99             } else item = NULL;
 100         }
 101         if (!item) {
 102             kDebug() << "////////////////  DROPPED ON EMPTY ZONE";
 103             // item dropped in empty zone, move it to top level
 104             QList <QTreeWidgetItem *> list;
 105             list = selectedItems();
 106             ProjectItem *clone;
 107             foreach(QTreeWidgetItem *it, list) {
 108                 QTreeWidgetItem *parent = it->parent();
 109                 if (parent && ((ProjectItem *) it)->clipId() < 10000)  {
 110                     kDebug() << "++ item parent: " << parent->text(1);
 111                     clone = (ProjectItem*) parent->takeChild(parent->indexOfChild(it));
 112                     if (clone) addTopLevelItem(clone);
 113                 }
 114             }
 115         }
 116     }
 117     event->acceptProposedAction();
 118 }
 119
 120 // virtual
 121 void ProjectListView::mousePressEvent(QMouseEvent *event) {
 122     if (event->button() == Qt::LeftButton) {
 123         this->m_DragStartPosition = event->pos();
 124         m_dragStarted = true;
 125     }
 126     QTreeWidget::mousePressEvent(event);
 127 }
 128
 129
 130 // virtual
 131 void ProjectListView::mouseMoveEvent(QMouseEvent *event) {
 132     kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 133     if (!m_dragStarted) return;
 134
 135     if ((event->pos() - m_DragStartPosition).manhattanLength()
 136             < QApplication::startDragDistance())
 137         return;
 138
 139     {
 140         ProjectItem *clickItem = (ProjectItem *) itemAt(event->pos());
 141         if (clickItem) {
 142             QDrag *drag = new QDrag(this);
 143             QMimeData *mimeData = new QMimeData;
 144             QDomDocument doc;
 145             QList <QTreeWidgetItem *> list;
 146             list = selectedItems();
 147             QStringList ids;
 148             foreach(QTreeWidgetItem *item, list) {
 149                 // TODO allow dragging of folders
 150                 if (!((ProjectItem *) item)->isGroup())
 151                     ids.append(QString::number(((ProjectItem *) item)->clipId()));
 152             }
 153             QByteArray data;
 154             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 155             mimeData->setData("kdenlive/producerslist", data);
 156             //mimeData->setText(ids.join(";")); //doc.toString());
 157             //mimeData->setImageData(image);
 158             drag->setMimeData(mimeData);
 159             drag->setPixmap(clickItem->icon(0).pixmap(50 *16 / 9.0, 50));
 160             drag->setHotSpot(QPoint(0, 50));
 161             drag->start(Qt::MoveAction);
 162
 163             //Qt::DropAction dropAction;
 164             //dropAction = drag->start(Qt::CopyAction | Qt::MoveAction);
 165
 166             //Qt::DropAction dropAction = drag->exec();
 167
 168         }
 169         //event->accept();
 170     }
 171 }
 172
 173 void ProjectListView::dragMoveEvent(QDragMoveEvent * event) {
 174     QTreeWidgetItem * item = itemAt(event->pos());
 175     event->setDropAction(Qt::IgnoreAction);
 176     //if (item) {
 177     event->setDropAction(Qt::MoveAction);
 178     if (event->mimeData()->hasText()) {
 179         event->acceptProposedAction();
 180     }
 181     //}
 182 }
 183
 184 QStringList ProjectListView::mimeTypes() const {
 185     QStringList qstrList;
 186     // list of accepted mime types for drop
 187     qstrList.append("text/uri-list");
 188     qstrList.append("text/plain");
 189     return qstrList;
 190 }
 191
 192
 193 Qt::DropActions ProjectListView::supportedDropActions() const {
 194     // returns what actions are supported when dropping
 195     return Qt::MoveAction;
 196 }
 197
 198 #include "projectlistview.moc"