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/*
* Copyright (c) 1990, 1991 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Stretch tool definitions.
*/
#include <Unidraw/classes.h>
#include <Unidraw/globals.h>
#include <Unidraw/iterator.h>
#include <Unidraw/manip.h>
#include <Unidraw/selection.h>
#include <Unidraw/viewer.h>
#include <Unidraw/Commands/command.h>
#include <Unidraw/Components/grview.h>
#include <Unidraw/Tools/stretch.h>
#include <InterViews/event.h>
#include <IV-2_6/_enter.h>
/*****************************************************************************/
ClassId StretchTool::GetClassId () { return STRETCH_TOOL; }
boolean StretchTool::IsA (ClassId id) {
return STRETCH_TOOL == id || Tool::IsA(id);
}
StretchTool::StretchTool (ControlInfo* m) : Tool(m) { }
Tool* StretchTool::Copy () { return new StretchTool(CopyControlInfo()); }
Manipulator* StretchTool::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();
}
if (!s->IsEmpty())
m = gv->CreateManipulator(v, e, rel, this);
}
delete newSel;
return m;
}
Command* StretchTool::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);
}
return cmd;
}
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