void TrackView::editClear()
{
SyncDocument *doc = getDocument();
QRect selection = getSelection();
if (0 == getTrackCount()) return;
Q_ASSERT(selection.right() < getTrackCount());
doc->beginMacro("clear");
for (int track = selection.left(); track <= selection.right(); ++track) {
SyncTrack *t = getTrack(track);
for (int row = selection.top(); row <= selection.bottom(); ++row) {
if (t->isKeyFrame(row))
doc->deleteKeyFrame(t, row);
}
}
doc->endMacro();
dirtyCurrentValue();
}
void TrackView::editPaste()
{
SyncDocument *doc = getDocument();
if (0 == getTrackCount()) {
QApplication::beep();
return;
}
const QMimeData *mimeData = QApplication::clipboard()->mimeData();
if (mimeData->hasFormat("application/x-gnu-rocket")) {
const QByteArray mimeDataBuffer = mimeData->data("application/x-gnu-rocket");
const char *clipbuf = mimeDataBuffer.data();
// copy data
int buffer_width, buffer_height, buffer_size;
memcpy(&buffer_width, clipbuf + 0, sizeof(int));
memcpy(&buffer_height, clipbuf + sizeof(int), sizeof(int));
memcpy(&buffer_size, clipbuf + 2 * sizeof(int), sizeof(int));
doc->beginMacro("paste");
for (int i = 0; i < buffer_width; ++i) {
int trackPos = editTrack + i;
if (trackPos >= getTrackCount()) continue;
SyncTrack *t = getTrack(trackPos);
for (int j = 0; j < buffer_height; ++j) {
int row = editRow + j;
if (t->isKeyFrame(row))
doc->deleteKeyFrame(t, row);
}
}
const char *src = clipbuf + 2 * sizeof(int) + sizeof(size_t);
for (int i = 0; i < buffer_size; ++i)
{
struct CopyEntry ce;
memcpy(&ce, src, sizeof(CopyEntry));
src += sizeof(CopyEntry);
Q_ASSERT(ce.track >= 0);
Q_ASSERT(ce.track < buffer_width);
Q_ASSERT(ce.keyFrame.row >= 0);
Q_ASSERT(ce.keyFrame.row < buffer_height);
int trackPos = editTrack + ce.track;
if (trackPos < getTrackCount()) {
SyncTrack::TrackKey key = ce.keyFrame;
key.row += editRow;
// since we deleted all keyframes in the edit-box already, we can just insert this one.
doc->setKeyFrame(getTrack(trackPos), key);
}
}
doc->endMacro();
dirtyCurrentValue();
clipbuf = NULL;
} else
QApplication::beep();
}