void CTreeCanvas::OnMouse( wxMouseEvent& event )
{
if(wxGetApp().m_property_grid_validation)return;
if(event.Entering()){
SetFocus(); // so middle wheel works
}
if(event.LeftDown())
{
const CTreeButton* button = HitTest(event.GetPosition());
if(button)
{
switch(button->type)
{
case ButtonTypePlus:
case ButtonTypeMinus:
SetExpanded(button->obj, button->type == 0);
SetVirtualSize(GetRenderSize());
this->Refresh();
break;
case ButtonTypeLabelBefore:
case ButtonTypeLabel:
default:
OnLabelLeftDown(button->obj, event);
clicked_object = button->obj;
break;
}
}
else
{
wxGetApp().m_marked_list->Clear(true);
}
m_button_down_point = event.GetPosition();
}
if(event.LeftUp())
{
if(m_dragging)
{
m_dragging = false;
// find the object to drop on to
const CTreeButton* button = HitTest(event.GetPosition());
if(button == NULL || !wxGetApp().m_marked_list->ObjectMarked(button->obj)) // can only drop on to an item other than one of the items being dragged
{
// test drop possible
bool drag_possible = true;
HeeksObj* add_to = &wxGetApp();
if(button && button->paste_into)add_to = button->paste_into;
for(std::list<HeeksObj*>::iterator It = m_dragged_list.begin(); It != m_dragged_list.end(); It++)
{
HeeksObj* object = *It;
if(!add_to->CanAdd(object) || !object->CanAddTo(add_to))
{
drag_possible = false;
break;
}
}
if(drag_possible)
{
wxGetApp().CreateUndoPoint();
// cut the objects
wxGetApp().Remove(m_dragged_list);
// paste the objects
for(std::list<HeeksObj*>::iterator It = m_dragged_list.begin(); It != m_dragged_list.end(); It++)
{
HeeksObj* object = *It;
{
if(object->OneOfAKind())
{
bool one_found = false;
for(HeeksObj* child = add_to->GetFirstChild(); child; child = add_to->GetNextChild())
{
if(child->GetType() == object->GetType())
{
child->CopyFrom(object);
one_found = true;
break;
}
}
if(!one_found)
{
add_to->Add(object, button ? button->paste_before : NULL);
}
}
else
{
add_to->Add(object, button ? button->paste_before : NULL);
}
}
}
wxGetApp().Changed();
}
else
{
Refresh();
}
}
else
{
Refresh();
}
}
else
{
if(m_waiting_until_left_up)
{
wxGetApp().m_marked_list->Clear(false);
wxGetApp().m_marked_list->Add(clicked_object, true);
}
}
m_waiting_until_left_up = false;
}
if(event.RightDown())
{
const CTreeButton* button = HitTest(event.GetPosition());
clicked_object = NULL;
if(button && (button->type == ButtonTypeLabelBefore || button->type == ButtonTypeLabel))
{
clicked_object = button->obj;
OnLabelRightDown(button->obj, event);
}
}
if(event.RightUp())
{
// do a context menu
MarkedObjectOneOfEach marked_object(0, clicked_object, 1, 0, NULL);
if(m_dragging)
{
m_dragging = false;
// find the object to drop on to
const CTreeButton* button = HitTest(event.GetPosition());
if(button == NULL || !wxGetApp().m_marked_list->ObjectMarked(button->obj)) // can only drop on to an item other than one of the items being dragged
{
// make a Move or Copy context menu
HeeksObj* paste_into = NULL;
HeeksObj* paste_before = NULL;
if(button)
{
paste_into = button->paste_into;
paste_before = button->paste_before;
}
wxGetApp().DoMoveOrCopyDropDownMenu(this, event.GetPosition(), &marked_object, paste_into, paste_before);
}
else
{
Refresh();
}
}
else
{
// do a standard drop down menu
wxGetApp().DoDropDownMenu(this, event.GetPosition(), &marked_object, true, false);
}
}
if(event.Dragging())
{
if(event.LeftIsDown() || event.RightIsDown())
{
if(!m_dragging && (abs(m_button_down_point.x - event.GetX())>2 || abs(m_button_down_point.y - event.GetY())>2))
{
m_dragging = true;
m_dragged_list = wxGetApp().m_marked_list->list();
}
if(m_dragging)
{
m_drag_position = CalcUnscrolledPosition(event.GetPosition());
const CTreeButton* button = HitTest(event.GetPosition());
m_drag_paste_rect = wxRect(0, 0, 0, 0);
if(button && button->type == ButtonTypeLabelBefore)m_drag_paste_rect = button->rect;
Refresh();
}
}
}
if(event.LeftDClick())
{
const CTreeButton* button = HitTest(event.GetPosition());
if(button)
{
if(button->obj)
{
bool(*callback)(HeeksObj*) = NULL;
button->obj->GetOnEdit(&callback);
if(callback)
{
(*callback)(button->obj);
}
}
}
}
event.Skip();
}
