//---------------------------------------------------------------------------------------
void TopLevelCaretPositioner::layout_caret(Caret* pCaret, DocCursor* pCursor)
{
m_pCursor = pCursor;
m_state = m_pCursor->get_state();
ImoId id = m_state.get_parent_level_id();
GmoBox* pBox = m_pGModel->get_box_for_imo(id);
URect pos;
if (pBox)
pos = pBox->get_bounds();
else
{
//at end of document
pBox = get_box_for_last_element();
if (pBox)
{
pos.set_top_left( UPoint(pBox->get_left(), pBox->get_bottom()) );
pos.set_height(1000.0f);
pos.set_width(1000.0f);
}
else
{
//empty document
pos = URect(0.0f, 0.0f, 1000.0f, 1000.0f);
}
}
pCaret->set_type(Caret::k_top_level);
pCaret->set_top_level_box(pos);
pCaret->set_position( pos.get_top_left() );
pCaret->set_size( USize(pos.get_width(), pos.get_height()) );
}
//---------------------------------------------------------------------------------------
UPoint ClefEngraver::get_drag_offset()
{
//return center of clef
URect bounds = m_pClefShape->get_bounds();
return UPoint(bounds.get_width() / 2.0,
bounds.get_height() / 2.0 );
}
//---------------------------------------------------------------------------------------
LUnits ChordEngraver::check_if_accidentals_overlap(GmoShapeAccidentals* pPrevAcc,
GmoShapeAccidentals* pCurAcc)
{
URect overlap = pPrevAcc->get_bounds();
overlap.intersection( pCurAcc->get_bounds() );
return overlap.get_width();
}
//---------------------------------------------------------------------------------------
int GmoCompositeShape::add(GmoShape* pShape)
{
m_components.push_back(pShape);
if (m_components.size() == 1)
{
//copy bounds
m_origin = pShape->get_origin();
m_size = pShape->get_size();
}
else
{
//TODO: Note from LenMus:
// lmCompositeShape: the selection rectangle should not be the boundling rectangle
// but each rectangle of each component shape. This will save the need to define
// specific shapes just to override selection rectangle. i.i. metronome marks
//compute new selection rectangle by union of individual selection rectangles
URect bbox = get_bounds();
bbox.Union(pShape->get_bounds());
m_origin = bbox.get_top_left();
m_size.width = bbox.get_width();
m_size.height = bbox.get_height();
}
//return index to added shape
return (int)m_components.size() - 1;
}
//---------------------------------------------------------------------------------------
void ScoreCaretPositioner::caret_on_pointed_object(Caret* pCaret)
{
URect bounds = get_bounds_for_imo( m_spState->id(), m_spState->staff() );
bounds.x -= tenths_to_logical(1);
set_caret_y_pos_and_height(&bounds, m_spState->id(), m_spState->staff());
pCaret->set_type(Caret::k_line);
pCaret->set_position( bounds.get_top_left() );
pCaret->set_size( USize(bounds.get_width(), bounds.get_height()) );
set_caret_timecode(pCaret);
}
//---------------------------------------------------------------------------------------
void GmoCompositeShape::recompute_bounds()
{
URect bbox;
std::list<GmoShape*>::iterator it;
for (it = m_components.begin(); it != m_components.end(); ++it)
bbox.Union((*it)->get_bounds());
m_origin = bbox.get_top_left();
m_size.width = bbox.get_width();
m_size.height = bbox.get_height();
}
//---------------------------------------------------------------------------------------
void ScoreCaretPositioner::caret_on_empty_timepos(Caret* pCaret)
{
//cursor is between two staffobjs, on a free time position.
//Place caret between both staffobjs. Interpolate position based on cursor time
//get info for current ref. object
ImoId refId = m_pScoreCursor->staffobj_id_internal();
int refStaff = m_pScoreCursor->ref_obj_staff();
//get info for prev object
SpElementCursorState spState = m_pScoreCursor->get_state();
m_pScoreCursor->move_prev();
ImoId prevId = m_pScoreCursor->id();
int prevStaff = m_pScoreCursor->staff();
TimeUnits prevTime = m_pScoreCursor->time();
m_pScoreCursor->restore_state(spState);
URect boundsPrev = get_bounds_for_imo(prevId, prevStaff);
URect bounds = get_bounds_for_imo(refId, refStaff);
#if 1
//interpolate position
//TODO: linear interpolation is wrong. This has to be changed to use time-grid
TimeUnits time1 = prevTime;
TimeUnits time2 = m_spState->time();
TimeUnits time3 = m_spState->ref_obj_time();
LUnits xIncr = bounds.x - boundsPrev.x; // Ax = x3-x1
bounds.x = boundsPrev.x +
(xIncr * float((time2 - time1) / (time3 - time1)) );
#else
//determine x position based on TimeGridTable
TimeUnits time = m_pScoreCursor->time();
int iSystem = m_pGModel->get_system_for(m_pScore->get_id(),
m_pScoreCursor->instrument(),
m_pScoreCursor->measure(),
time);
m_pBoxSystem = m_pGModel->get_system_box(iSystem);
TimeGridTable* pTimeGrid = m_pBoxSystem->get_time_grid_table();
bounds.x = pTimeGrid->get_x_for_time(time);
#endif
//set caret
set_caret_y_pos_and_height(&bounds, prevId, prevStaff);
pCaret->set_type(Caret::k_line);
pCaret->set_position( bounds.get_top_left() );
pCaret->set_size( USize(bounds.get_width(), bounds.get_height()) );
set_caret_timecode(pCaret);
}
//---------------------------------------------------------------------------------------
void ScoreCaretPositioner::caret_at_end_of_staff(Caret* pCaret)
{
//cursor is at end of a staff or end of score. Score is not empty.
//No current staffobj but a previous one must exist.
//Place cursor 0.8 lines (8 tenths) at the right of last staffobj
//get info for prev object
SpElementCursorState spState = m_pScoreCursor->get_state();
m_pScoreCursor->move_prev();
ImoId id = m_pScoreCursor->id();
int staff = m_pScoreCursor->staff();
m_pScoreCursor->restore_state(spState);
URect bounds = get_bounds_for_imo(id, staff);
bounds.x += tenths_to_logical(8);
set_caret_y_pos_and_height(&bounds, id, staff);
pCaret->set_type(Caret::k_line);
pCaret->set_position( UPoint(bounds.right(), bounds.top()) );
pCaret->set_size( USize(bounds.get_width(), bounds.get_height()) );
set_caret_timecode(pCaret);
}
//---------------------------------------------------------------------------------------
void ScoreCaretPositioner::caret_at_start_of_score(Caret* pCaret)
{
//Cursor is at end of score but score is empty.
//Place cursor at start of first system
//get shape for first system
DocCursorState state = m_pDocCursor->get_state();
ImoId scoreId = state.get_parent_level_id();
//GmoShapeStaff* pShape = m_pGModel->get_shape_for_first_staff_in_first_system(scoreId);
GmoBoxScorePage* pBSP =
static_cast<GmoBoxScorePage*>( m_pGModel->get_box_for_imo(scoreId) );
m_pBoxSystem = dynamic_cast<GmoBoxSystem*>(pBSP->get_child_box(0));
GmoShapeStaff* pShape = (m_pBoxSystem ? m_pBoxSystem->get_staff_shape(0) : NULL);
URect bounds;
if (pShape)
{
bounds = pShape->get_bounds();
bounds.x += m_pMeter->tenths_to_logical(20, 0, 0);
}
else
{
//score totally empty. No staff displayed! Position cursors at start of page
//TODO
bounds = URect(0.0f, 0.0f, 20.0f, 700.0f);
// uPos.y = pBPage->GetYTop();
// uPos.x = pBPage->GetXLeft() + pScore->tenths_to_logical(20);
}
set_caret_y_pos_and_height(&bounds, k_no_imoid, 0);
pCaret->set_type(Caret::k_line);
pCaret->set_position( bounds.get_top_left() );
pCaret->set_size( USize(bounds.get_width(), bounds.get_height()) );
set_caret_timecode(pCaret);
}
//---------------------------------------------------------------------------------------
LUnits ChordEngraver::check_if_overlap(GmoShape* pShape, GmoShape* pNewShape)
{
URect overlap = pShape->get_bounds();
overlap.intersection( pNewShape->get_bounds() );
return overlap.get_width();
}
