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