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- // $Id: RegionGN.C,v 1.9 1998/03/25 12:44:06 zeller Exp $
- // RegionGraphNode class
-
- // Copyright (C) 1995 Technische Universitaet Braunschweig, Germany.
- // Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
- //
- // This file is part of DDD.
- //
- // DDD is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // DDD is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- // See the GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public
- // License along with DDD -- see the file COPYING.
- // If not, write to the Free Software Foundation, Inc.,
- // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- //
- // DDD is the data display debugger.
- // For details, see the DDD World-Wide-Web page,
- // `http://www.cs.tu-bs.de/softech/ddd/',
- // or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
-
- char RegionGraphNode_rcsid[] =
- "$Id: RegionGN.C,v 1.9 1998/03/25 12:44:06 zeller Exp $";
-
- #ifdef __GNUG__
- #pragma implementation
- #endif
-
- #include <iostream.h>
- #include <string.h>
-
- #include <X11/X.h>
- #include <X11/Xlib.h>
- #include <X11/Intrinsic.h>
-
- #include "RegionGN.h"
- #include "printBox.h"
-
- DEFINE_TYPE_INFO_1(RegionGraphNode, PosGraphNode)
-
- // Center around position
- void RegionGraphNode::center()
- {
- _region.origin() = pos() - (_region.space() / 2);
- }
-
- // Compute position for ORIGIN
- BoxPoint RegionGraphNode::originToPos(const BoxPoint& origin,
- const GraphGC& gc) const
- {
- return origin + region(gc).space() / 2;
- }
-
-
- // Draw a RegionGraphNode
- void RegionGraphNode::draw(Widget w,
- const BoxRegion& exposed,
- const GraphGC& gc) const
- {
- const BoxRegion& r = region(gc);
-
- // if not exposed or invisible, return
- if (!(r <= exposed) || r.space(X) == 0 || r.space(Y) == 0)
- return;
-
- Display *display = XtDisplay(w);
- Window window = XtWindow(w);
-
- // clear the area
- XFillRectangle(display, window, gc.clearGC,
- r.origin(X), r.origin(Y),
- r.space(X), r.space(Y));
-
- // draw contents
- forceDraw(w, exposed, gc);
-
- // if selected, invert area
- if (selected())
- {
- const BoxRegion& h = highlightRegion(gc);
-
- XFillRectangle(display, window, gc.invertGC,
- h.origin(X), h.origin(Y),
- h.space(X), h.space(Y));
- }
- };
-
-
-
- // cleanRegion
- // clean a region with white ink
- //
- static void cleanRegion (ostream& os, const GraphGC& gc, BoxRegion region)
- {
- BoxPoint origin = region.origin();
- BoxPoint width = region.space();
-
- if (gc.printGC->isPostScript())
- {
- os << origin[X] << " " << origin[Y] << " ";
- os << origin[X] + width[X] << " " << origin[Y];
- os << " ";
- os << origin[X] + width[X] << " ";
- os << origin[Y] + width[Y] << " ";
- os << origin[X] << " " << origin[Y] + width[Y];
- os << " clean*\n";
- }
- else if (gc.printGC->isFig())
- {
- os << CLEANHEAD;
- os << origin[X] << " " << origin[Y] << " ";
- os << origin[X] + width[X] << " " << origin[Y];
- os << " ";
- os << origin[X] + width[X] << " ";
- os << origin[Y] + width[Y] << " ";
- os << origin[X] << " " << origin[Y] + width[Y];
- os << " ";
- os << origin[X] << " "<< origin[Y] << " 9999 9999\n";
- }
- }
-
- // Print a RegionGraphNode
- void RegionGraphNode::_print(ostream& os, const GraphGC& gc) const
- {
- cleanRegion(os, gc, region(gc));
- }
-
- // Handlers
- static bool Yes(RegionGraphNode *, const BoxSize&) { return true; }
-
- bool (*RegionGraphNode::ResizeCB)(RegionGraphNode *, const BoxSize&) = Yes;
-