303 lines
8.6 KiB
C
303 lines
8.6 KiB
C
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/* NMshowpoint.c -
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*
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* This file provides procedures that use the highlight layer
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* to display information about particular points. Currently,
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* this is used to highlight selected terminals in nets.
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*
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* *********************************************************************
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* * Copyright (C) 1985, 1990 Regents of the University of California. *
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* * Permission to use, copy, modify, and distribute this *
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* * software and its documentation for any purpose and without *
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* * fee is hereby granted, provided that the above copyright *
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* * notice appear in all copies. The University of California *
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* * makes no representations about the suitability of this *
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* * software for any purpose. It is provided "as is" without *
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* * express or implied warranty. Export of this software outside *
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* * of the United States of America may require an export license. *
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* *********************************************************************
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*/
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#ifndef lint
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static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/netmenu/NMshowpt.c,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
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#endif /* not lint */
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#include <stdio.h>
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#include "utils/magic.h"
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#include "utils/geometry.h"
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#include "tiles/tile.h"
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#include "utils/hash.h"
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#include "database/database.h"
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#include "windows/windows.h"
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#include "graphics/graphics.h"
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#include "dbwind/dbwind.h"
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#include "utils/styles.h"
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#include "utils/main.h"
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#include "utils/malloc.h"
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/* The net highlight information consists of an array of points.
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* Around each point, this file redisplays a box with a hollow
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* center. Each box is displayed on the screen either MAXLAMBDAS
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* across, or MAXPIXELS across, whichever is less. This means
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* that a) the boxes don't get too large at large view magnifications,
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* and b) when erasing a box, we have an upper limit on how much area
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* (in lambda coordinates) will have to be redisplayed.
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*/
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static Point * nmspPoints = NULL; /* Pointer to array of points. */
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static int nmspArraySize = 0; /* Size of array. */
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static int nmspArrayUsed = 0; /* Number of entries actually used. */
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#define MAXLAMBDAS 30
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#define MAXPIXELS 14
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#define THICKNESS 3
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/*
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* ----------------------------------------------------------------------------
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*
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* NMRedrawPoints --
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*
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* This procedure is called by the highlight package to redisplay
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* our highlights. A lock has already been made on the window by the
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* highlight code.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Information gets redisplayed on the screen.
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*
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* ----------------------------------------------------------------------------
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*/
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int
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NMRedrawPoints(window, plane)
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MagWindow *window; /* Window in which to redisplay. */
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Plane *plane; /* Non-space tiles on this plane indicate
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* the areas where highlights must be redrawn.
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*/
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{
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int i;
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Rect dbArea, screen;
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extern int nmspAlways1(); /* Forward reference. */
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/* Make sure that we have something to display, and that the
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* root definition for this window is the edit's root definition.
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*/
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if (nmspArrayUsed == 0) return 0;
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if (((CellUse *)(window->w_surfaceID))->cu_def != EditRootDef) return 0;
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for (i = 0; i < nmspArrayUsed; i += 1)
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{
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/* Make a rectangle around the point that is either MAXLAMBAS
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* across in database coordinates or MAXPIXELS across in screen
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* coordinates, whichever is smaller.
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*/
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dbArea.r_xbot = nmspPoints[i].p_x - MAXLAMBDAS/2;
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dbArea.r_ybot = nmspPoints[i].p_y - MAXLAMBDAS/2;
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dbArea.r_xtop = dbArea.r_xbot + MAXLAMBDAS;
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dbArea.r_ytop = dbArea.r_ybot + MAXLAMBDAS;
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if (!DBSrPaintArea((Tile *) NULL, plane, &dbArea,
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&DBAllButSpaceBits, nmspAlways1, (ClientData) NULL))
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continue;
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WindSurfaceToScreen(window, &dbArea, &screen);
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if (((screen.r_xtop - screen.r_xbot) > MAXPIXELS)
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|| ((screen.r_ytop - screen.r_ybot) > MAXPIXELS))
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{
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dbArea.r_ur = dbArea.r_ll = nmspPoints[i];
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WindSurfaceToScreen(window, &dbArea, &screen);
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screen.r_xbot -= MAXPIXELS/2;
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screen.r_xtop += MAXPIXELS/2;
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screen.r_ybot -= MAXPIXELS/2;
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screen.r_ytop += MAXPIXELS/2;
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}
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/* If the rectangle is less than 2*THICKNESS across, draw it
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* solid. Otherwise, draw it with a hollow center (i.e. as
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* four boxes).
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*/
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if (((screen.r_xtop - screen.r_xbot) < 2*THICKNESS)
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|| ((screen.r_ytop - screen.r_ybot) < 2*THICKNESS))
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{
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GrClipBox(&screen, STYLE_SOLIDHIGHLIGHTS);
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}
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else
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{
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Rect screen2;
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screen2 = screen;
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screen2.r_ytop = screen2.r_ybot + THICKNESS - 1;
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GrClipBox(&screen2, STYLE_SOLIDHIGHLIGHTS);
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screen2.r_ytop = screen.r_ytop;
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screen2.r_ybot = screen2.r_ytop - THICKNESS + 1;
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GrClipBox(&screen2, STYLE_SOLIDHIGHLIGHTS);
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screen2.r_ybot = screen.r_ybot + THICKNESS - 1;
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screen2.r_xtop = screen2.r_xbot + THICKNESS - 1;
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GrClipBox(&screen2, STYLE_SOLIDHIGHLIGHTS);
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screen2.r_xtop = screen.r_xtop;
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screen2.r_xbot = screen2.r_xtop - THICKNESS + 1;
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GrClipBox(&screen2, STYLE_SOLIDHIGHLIGHTS);
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}
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}
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return 0;
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}
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int
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nmspAlways1()
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{
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return 1;
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}
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/*
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* ----------------------------------------------------------------------------
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*
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* NMAddPoint --
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*
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* This procedure adds a point to the list of those being
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* highlighted.
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*
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* Results:
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* None.
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*
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* Side effects:
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* The point is added to our internal list of those to be
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* highlighted. It will also be displayed on the screen
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* after the next call to WindUpdate.
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*
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* ----------------------------------------------------------------------------
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*/
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void
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NMAddPoint(point)
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Point *point; /* Point to be highlighted, in coordinates
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* of EditRootDef.
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*/
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{
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int i;
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Point *newArray;
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Rect area;
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/* Make sure this point isn't already on the list. */
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for (i = 0; i < nmspArrayUsed; i += 1)
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{
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if ((nmspPoints[i].p_x == point->p_x)
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&& (nmspPoints[i].p_y == point->p_y)) return;
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}
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/* Make sure there's enough space in the array. Make it
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* bigger if necessary.
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*/
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if (nmspArrayUsed == nmspArraySize)
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{
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nmspArraySize *= 2;
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if (nmspArraySize < 10) nmspArraySize = 10;
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newArray = (Point *) mallocMagic((unsigned)nmspArraySize*sizeof(Point));
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for (i = 0; i < nmspArrayUsed; i += 1)
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newArray[i] = nmspPoints[i];
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if (nmspPoints != NULL) freeMagic((char *) nmspPoints);
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nmspPoints = newArray;
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}
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/* Add in the new point at the end of the array. */
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nmspPoints[nmspArrayUsed] = *point;
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nmspArrayUsed += 1;
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/* Remember the area to be redisplayed. */
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area.r_xbot = point->p_x - MAXLAMBDAS/2;
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area.r_xtop = point->p_x + MAXLAMBDAS/2;
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area.r_ybot = point->p_y - MAXLAMBDAS/2;
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area.r_ytop = point->p_y + MAXLAMBDAS/2;
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DBWHLRedraw(EditRootDef, &area, FALSE);
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}
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/*
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* ----------------------------------------------------------------------------
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*
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* NMDeletePoint --
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*
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* This procedure removes a point from the list of those
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* being highlighted.
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*
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* Results:
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* None.
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*
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* Side effects:
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* The highlight information is removed from our internal list.
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* The screen will not be updated until the next WindUpdate
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* call.
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*
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* ----------------------------------------------------------------------------
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*/
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void
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NMDeletePoint(point)
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Point *point; /* Point to be un-highlighted, in coords
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* of EditRootDef.
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*/
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{
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int i;
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Rect area;
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/* Remove from list (smash list down to cover hole. */
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for (i = 0; i < nmspArrayUsed; i += 1)
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{
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if ((nmspPoints[i].p_x != point->p_x)
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|| (nmspPoints[i].p_y != point->p_y)) continue;
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for (i += 1; i < nmspArrayUsed; i += 1)
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nmspPoints[i-1] = nmspPoints[i];
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nmspArrayUsed -= 1;
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break;
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}
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/* Redisplay on screen. */
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area.r_xbot = point->p_x - MAXLAMBDAS/2;
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area.r_xtop = area.r_xbot + MAXLAMBDAS;
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area.r_ybot = point->p_y - MAXLAMBDAS/2;
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area.r_ytop = area.r_ybot + MAXLAMBDAS;
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DBWHLRedraw(EditRootDef, &area, TRUE);
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}
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/*
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* ----------------------------------------------------------------------------
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*
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* NMClearPoints --
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*
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* This procedure clears the list of points being highlighted.
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*
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* Results:
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* None.
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*
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* Side effects:
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* All points are removed from the list. The screen won't be
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* updated until the next call to WindUpdate.
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*
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* ----------------------------------------------------------------------------
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*/
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void
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NMClearPoints()
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{
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int i;
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Rect area;
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for (i = 0; i < nmspArrayUsed; i += 1)
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{
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area.r_xbot = nmspPoints[i].p_x - MAXLAMBDAS/2;
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area.r_xtop = area.r_xbot + MAXLAMBDAS;
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area.r_ybot = nmspPoints[i].p_y - MAXLAMBDAS/2;
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area.r_ytop = area.r_ybot + MAXLAMBDAS;
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DBWHLRedraw(EditRootDef, &area, TRUE);
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}
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nmspArrayUsed = 0;
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}
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