Manipulator* ScaleTool::CreateManipulator (
Viewer* v, Event& e, Transformer* rel
) {
GraphicView* views = v->GetGraphicView();
Selection* s = v->GetSelection(), *newSel;
GraphicView* gv;
Manipulator* m = nil;
Iterator i;
newSel = views->ViewIntersecting(e.x-SLOP, e.y-SLOP, e.x+SLOP, e.y+SLOP);
if (newSel->IsEmpty()) {
s->Clear();
} else {
newSel->First(i);
gv = newSel->GetView(i);
if (s->Includes(gv)) {
s->Remove(gv);
s->Prepend(gv);
} else {
s->Clear();
s->Append(gv);
s->Update();
}
m = gv->CreateManipulator(v, e, rel, this);
}
delete newSel;
return m;
}
Manipulator* ExamineTool::CreateManipulator (
Viewer* v, Event& e, Transformer* t
){
GraphicView* views = v->GetGraphicView();
Selection* s = v->GetSelection();
_selPath = new Selection;
Manipulator* m = nil;
s->Clear();
ComputeViewPath(e, views, _selPath);
_shift = e.shift_is_down();
if (!_selPath->IsEmpty()) {
Iterator i;
_selPath->First(i);
GraphicView* gv = _selPath->GetView(i);
s->Append(gv);
s->Update();
_selPath->Last(i);
gv = _selPath->GetView(i);
m = gv->CreateManipulator(v, e, t, this);
}
delete _selPath;
return m;
}
Manipulator* NarrowTool::CreateManipulator (Viewer* v, Event& e,Transformer*){
Manipulator* m = nil;
_popup = false;
GraphicView* views = v->GetGraphicView();
if (!e.shift_is_down()) {
Selection* s = v->GetSelection(), *newSel = new Selection;
s->Clear();
ComputeViewPath(e, views, newSel);
if (!newSel->IsEmpty()) {
Iterator i;
newSel->First(i);
GraphicView* gv = newSel->GetView(i);
s->Append(gv);
s->Update();
m = CreatePopupManip(newSel, v);
_popup = true;
}
delete newSel;
} else {
m = new NarrowManip(v);
}
return m;
}
Command* ReshapeTool::InterpretManipulator (Manipulator* m) {
Selection* s;
Command* cmd = nil;
Iterator i;
if (m != nil) {
s = m->GetViewer()->GetSelection();
s->First(i);
cmd = s->GetView(i)->InterpretManipulator(m);
s->Update();
}
return cmd;
}
