moved timeline interactivity to separate classes

2019-08-10 19:15:38 +10:00
parent 7dd7e83373
commit 7174245a7e
12 changed files with 463 additions and 121 deletions
@@ -0,0 +1,110 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "widget/timelineview/timelineview.h"
+
+#include <QMimeData>
+
+TimelineView::ImportTool::ImportTool(TimelineView *parent) :
+  Tool(parent)
+{
+}
+
+void TimelineView::ImportTool::DragEnter(QDragEnterEvent *event)
+{
+  QStringList mime_formats = event->mimeData()->formats();
+
+  // Listen for MIME data from a ProjectViewModel
+  if (mime_formats.contains("application/x-oliveprojectitemdata")) {
+    // FIXME: Implement audio insertion
+
+    // Data is drag/drop data from a ProjectViewModel
+    QByteArray model_data = event->mimeData()->data("application/x-oliveprojectitemdata");
+
+    // Use QDataStream to deserialize the data
+    QDataStream stream(&model_data, QIODevice::ReadOnly);
+
+    // Variables to deserialize into
+    quintptr item_ptr;
+    int r;
+
+    while (!stream.atEnd()) {
+      stream >> r >> item_ptr;
+
+      // Get Item object
+      Item* item = reinterpret_cast<Item*>(item_ptr);
+
+      // Check if Item is Footage
+      if (item->type() == Item::kFootage) {
+        // If the Item is Footage, we can create a Ghost from it
+        Footage* footage = static_cast<Footage*>(item);
+
+        StreamPtr stream = footage->stream(0);
+
+        TimelineViewGhostItem* ghost = new TimelineViewGhostItem();
+
+        rational footage_duration(stream->timebase().numerator() * stream->duration(),
+                                  stream->timebase().denominator());
+
+        ghost->SetIn(0);
+        ghost->SetOut(footage_duration);
+        ghost->SetStream(stream);
+
+        parent()->AddGhost(ghost);
+      }
+    }
+
+    event->accept();
+  } else {
+    // FIXME: Implement dropping from file
+    event->ignore();
+  }
+}
+
+void TimelineView::ImportTool::DragMove(QDragMoveEvent *event)
+{
+  if (parent()->HasGhosts()) {
+    event->accept();
+  } else {
+    event->ignore();
+  }
+}
+
+void TimelineView::ImportTool::DragLeave(QDragLeaveEvent *event)
+{
+  if (parent()->HasGhosts()) {
+    parent()->ClearGhosts();
+
+    event->accept();
+  } else {
+    event->ignore();
+  }
+}
+
+void TimelineView::ImportTool::DragDrop(QDropEvent *event)
+{
+  if (parent()->HasGhosts()) {
+    parent()->ClearGhosts();
+
+    event->accept();
+  } else {
+    event->ignore();
+  }
+}