void SimpleExampleWindow::populate_listbox()
{
int old_index = m_listbox1->getSelectedIndex();
m_listbox1->clearItems();
m_itemmap.clear();
int numitems = CountMediaItems(nullptr);
for (int i=0;i<numitems;++i)
{
MediaItem* item = GetMediaItem(nullptr,i);
MediaItem_Take* take = GetActiveTake(item);
if (item!=nullptr)
{
char namebuf[1024];
if (GetSetMediaItemTakeInfo_String(take,"P_NAME",namebuf,false))
{
m_listbox1->addItem(namebuf, i);
// Note that the item pointers stored into this map
// may easily become invalid if the items are removed by the user etc...
// It doesn't matter in this code as we don't dereference the pointers in any way yet.
// Note how the validation can be done in the button3 handler lambda!
m_itemmap[i]=item;
}
}
}
//readbg() << "listbox has " << m_listbox1->numItems() << " items\n";
}
bool AreThereItemsUnderCursor(bool bSel)
{
double dCursor = GetCursorPosition();
for (int i = 0; i < (bSel ? CountSelectedMediaItems(0) : CountMediaItems(0)); i++)
{
MediaItem* item = bSel ? GetSelectedMediaItem(0, i) : GetMediaItem(0, i);
double dItemStart = *(double*)GetSetMediaItemInfo(item, "D_POSITION", NULL);
double dItemEnd = *(double*)GetSetMediaItemInfo(item, "D_LENGTH", NULL) + dItemStart;
if (dItemStart < dCursor && dItemEnd > dCursor)
return true;
}
return false;
}
void DeleteTempoPreserveItems (COMMAND_T* ct)
{
BR_Envelope tempoMap(GetTempoEnv());
if (!tempoMap.CountSelected())
return;
// Get items' position info and set their timebase to time
vector<BR_MidiItemTimePos> items;
double firstMarker;
tempoMap.GetPoint(tempoMap.GetSelected(0), &firstMarker, NULL, NULL, NULL);
int itemCount = ((int)ct->user) ? CountSelectedMediaItems(NULL) : CountMediaItems(NULL);
items.reserve(itemCount);
for (int i = 0; i < itemCount; ++i)
{
MediaItem* item = ((int)ct->user) ? GetSelectedMediaItem(NULL, i) : GetMediaItem(NULL, i);
double itemEnd = GetMediaItemInfo_Value(item, "D_POSITION") + GetMediaItemInfo_Value(item, "D_LENGTH");
if (itemEnd >= firstMarker)
{
items.push_back(BR_MidiItemTimePos(item));
SetMediaItemInfo_Value(item, "C_BEATATTACHMODE", 0);
}
}
// Readjust unselected tempo markers
double offset = 0;
for (int i = 0; i < tempoMap.CountConseq(); ++i)
{
int startId, endId;
tempoMap.GetConseq (i, &startId, &endId);
if (endId == tempoMap.Count()-1) continue; // no points after selection, nothing to adjust
if (startId == 0 && (++startId > endId)) continue; // skip first point
// Get musical length of selection
double musicalLen = 0;
for (int i = startId - 1; i <= endId; ++i )
{
double t0, t1, b0, b1; int s0;
tempoMap.GetPoint(i, &t0, &b0, &s0, NULL);
tempoMap.GetPoint(i+1, &t1, &b1, NULL, NULL);
if (i == startId-1) t0 -= offset; // readjust position to original (earlier iterations moved it)
if (s0 == SQUARE)
musicalLen += (t1-t0) * b0 / 240;
else
musicalLen += (t1-t0) * (b0+b1) / 480;
}
// Readjust points after selection
double t0, t1, b0, b1; int s0;
tempoMap.GetPoint(startId - 1, &t0, &b0, &s0, NULL);
tempoMap.GetPoint(endId + 1, &t1, &b1, NULL, NULL);
if (s0 == SQUARE)
offset = (t0 + (240*musicalLen) / b0) - t1;
else
offset = (t0 + (480*musicalLen) / (b0 + b1)) - t1;
while (!tempoMap.GetSelection(++endId) && endId < tempoMap.Count())
{
double t;
tempoMap.GetPoint(endId, &t, NULL, NULL, NULL);
t += offset;
tempoMap.SetPoint (endId, &t, NULL, NULL, NULL);
}
}
// Delete selected tempo markers
int idOffset = 0;
for (int i = 0; i < tempoMap.CountSelected(); ++i)
{
int id = tempoMap.GetSelected(i) - idOffset;
if (id != 0) // skip first point
{
tempoMap.DeletePoint(id);
++idOffset;
}
}
// Commit tempo map and restore position info
PreventUIRefresh(1);
if (tempoMap.Commit(false))
{
for (size_t i = 0; i < items.size(); ++i)
items[i].Restore();
Undo_OnStateChangeEx2(NULL, SWS_CMD_SHORTNAME(ct), UNDO_STATE_ALL, -1);
}
PreventUIRefresh(-1);
}