Files
oak-editor/app/widget/timelineview/tool/import.cpp
T
2019-08-11 21:13:16 +10:00

127 lines
3.4 KiB
C++

/***
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>
#include "node/input/media/media.h"
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()) {
foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
ClipBlock* clip = new ClipBlock();
MediaInput* media = new MediaInput();
clip->set_length(ghost->Out() - ghost->In());
media->SetFootage(ghost->stream()->footage());
NodeParam::ConnectEdge(media->texture_output(), clip->texture_input());
// FIXME: If this doesn't have a TimelineOutput node attached, this is a memory leak. Maybe switching nodes to
// shared ptrs would be a better idea.
emit parent()->RequestInsertBlock(clip, 0);
}
parent()->ClearGhosts();
event->accept();
} else {
event->ignore();
}
}