src/set.c

   1 /* $Id$ */
   2
   3 /*
   4  *                            COPYRIGHT
   5  *
   6  *  PCB, interactive printed circuit board design
   7  *  Copyright (C) 1994,1995,1996 Thomas Nau
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  *  Contact addresses for paper mail and Email:
  24  *  Thomas Nau, Schlehenweg 15, 88471 Baustetten, Germany
  25  *  Thomas.Nau@rz.uni-ulm.de
  26  *
  27  */
  28
  29
  30 /* routines to update widgets and global settings
  31  * (except output window and dialogs)
  32  */
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include "config.h"
  36 #endif
  37
  38 #include <math.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41 #ifdef HAVE_STRING_H
  42 #include <string.h>
  43 #endif
  44
  45 #include "global.h"
  46
  47 #include "action.h"
  48 #include "buffer.h"
  49 #include "compat.h"
  50 #include "crosshair.h"
  51 #include "data.h"
  52 #include "draw.h"
  53 #include "error.h"
  54 #include "find.h"
  55 #include "misc.h"
  56 #include "set.h"
  57 #include "undo.h"
  58
  59 #ifdef HAVE_LIBDMALLOC
  60 #include <dmalloc.h>
  61 #endif
  62
  63 RCSID ("$Id$");
  64
  65 static int mode_position = 0;
  66 static int mode_stack[MAX_MODESTACK_DEPTH];
  67
  68 /* ---------------------------------------------------------------------------
  69  * sets cursor grid with respect to grid offset values
  70  */
  71 void
  72 SetGrid (double Grid, bool align)
  73 {
  74   if (Grid >= 1 && Grid <= MAX_GRID)
  75     {
  76       if (align)
  77         {
  78           PCB->GridOffsetX =
  79             Crosshair.X - (int) (Crosshair.X / Grid) * Grid + 0.5;
  80           PCB->GridOffsetY =
  81             Crosshair.Y - (int) (Crosshair.Y / Grid) * Grid + 0.5;
  82         }
  83       PCB->Grid = Grid;
  84       if (Settings.DrawGrid)
  85         Redraw ();
  86     }
  87 }
  88
  89 /* ---------------------------------------------------------------------------
  90  * sets a new line thickness
  91  */
  92 void
  93 SetLineSize (BDimension Size)
  94 {
  95   if (Size >= MIN_LINESIZE && Size <= MAX_LINESIZE)
  96     {
  97       Settings.LineThickness = Size;
  98       if (TEST_FLAG (AUTODRCFLAG, PCB))
  99         FitCrosshairIntoGrid (Crosshair.X, Crosshair.Y);
 100     }
 101 }
 102
 103 /* ---------------------------------------------------------------------------
 104  * sets a new via thickness
 105  */
 106 void
 107 SetViaSize (BDimension Size, bool Force)
 108 {
 109   if (Force || (Size <= MAX_PINORVIASIZE &&
 110                 Size >= MIN_PINORVIASIZE &&
 111                 Size >= Settings.ViaDrillingHole + MIN_PINORVIACOPPER))
 112     {
 113       Settings.ViaThickness = Size;
 114     }
 115 }
 116
 117 /* ---------------------------------------------------------------------------
 118  * sets a new via drilling hole
 119  */
 120 void
 121 SetViaDrillingHole (BDimension Size, bool Force)
 122 {
 123   if (Force || (Size <= MAX_PINORVIASIZE &&
 124                 Size >= MIN_PINORVIAHOLE &&
 125                 Size <= Settings.ViaThickness - MIN_PINORVIACOPPER))
 126     {
 127       Settings.ViaDrillingHole = Size;
 128     }
 129 }
 130
 131 void
 132 pcb_use_route_style (RouteStyleType * rst)
 133 {
 134   Settings.LineThickness = rst->Thick;
 135   Settings.ViaThickness = rst->Diameter;
 136   Settings.ViaDrillingHole = rst->Hole;
 137   Settings.Keepaway = rst->Keepaway;
 138 }
 139
 140 /* ---------------------------------------------------------------------------
 141  * sets a keepaway width
 142  */
 143 void
 144 SetKeepawayWidth (BDimension Width)
 145 {
 146   if (Width <= MAX_LINESIZE)
 147     {
 148       Settings.Keepaway = Width;
 149     }
 150 }
 151
 152 /* ---------------------------------------------------------------------------
 153  * sets a text scaling
 154  */
 155 void
 156 SetTextScale (Dimension Scale)
 157 {
 158   if (Scale <= MAX_TEXTSCALE && Scale >= MIN_TEXTSCALE)
 159     {
 160       Settings.TextScale = Scale;
 161     }
 162 }
 163
 164 /* ---------------------------------------------------------------------------
 165  * sets or resets changed flag and redraws status
 166  */
 167 void
 168 SetChangedFlag (bool New)
 169 {
 170   if (PCB->Changed != New)
 171     {
 172       PCB->Changed = New;
 173
 174     }
 175 }
 176
 177 /* ---------------------------------------------------------------------------
 178  * sets the crosshair range to the current buffer extents
 179  */
 180 void
 181 SetCrosshairRangeToBuffer (void)
 182 {
 183   if (Settings.Mode == PASTEBUFFER_MODE)
 184     {
 185       SetBufferBoundingBox (PASTEBUFFER);
 186       SetCrosshairRange (PASTEBUFFER->X - PASTEBUFFER->BoundingBox.X1,
 187                          PASTEBUFFER->Y - PASTEBUFFER->BoundingBox.Y1,
 188                          PCB->MaxWidth -
 189                          (PASTEBUFFER->BoundingBox.X2 - PASTEBUFFER->X),
 190                          PCB->MaxHeight -
 191                          (PASTEBUFFER->BoundingBox.Y2 - PASTEBUFFER->Y));
 192     }
 193 }
 194
 195 /* ---------------------------------------------------------------------------
 196  * sets a new buffer number
 197  */
 198 void
 199 SetBufferNumber (int Number)
 200 {
 201   if (Number >= 0 && Number < MAX_BUFFER)
 202     {
 203       Settings.BufferNumber = Number;
 204
 205       /* do an update on the crosshair range */
 206       SetCrosshairRangeToBuffer ();
 207     }
 208 }
 209
 210 /* ---------------------------------------------------------------------------
 211  */
 212
 213 void
 214 SaveMode (void)
 215 {
 216   mode_stack[mode_position] = Settings.Mode;
 217   if (mode_position < MAX_MODESTACK_DEPTH - 1)
 218     mode_position++;
 219 }
 220
 221 void
 222 RestoreMode (void)
 223 {
 224   if (mode_position == 0)
 225     {
 226       Message ("hace: underflow of restore mode\n");
 227       return;
 228     }
 229   SetMode (mode_stack[--mode_position]);
 230 }
 231
 232
 233 /* ---------------------------------------------------------------------------
 234  * set a new mode and update X cursor
 235  */
 236 void
 237 SetMode (int Mode)
 238 {
 239   static bool recursing = false;
 240   /* protect the cursor while changing the mode
 241    * perform some additional stuff depending on the new mode
 242    * reset 'state' of attached objects
 243    */
 244   if (recursing)
 245     return;
 246   recursing = true;
 247   notify_crosshair_change (false);
 248   addedLines = 0;
 249   Crosshair.AttachedObject.Type = NO_TYPE;
 250   Crosshair.AttachedObject.State = STATE_FIRST;
 251   Crosshair.AttachedPolygon.PointN = 0;
 252   if (PCB->RatDraw)
 253     {
 254       if (Mode == ARC_MODE || Mode == RECTANGLE_MODE ||
 255           Mode == VIA_MODE || Mode == POLYGON_MODE ||
 256           Mode == POLYGONHOLE_MODE ||
 257           Mode == TEXT_MODE || Mode == INSERTPOINT_MODE ||
 258           Mode == THERMAL_MODE)
 259         {
 260           Message (_("That mode is NOT allowed when drawing ratlines!\n"));
 261           Mode = NO_MODE;
 262         }
 263     }
 264   if (Settings.Mode == LINE_MODE && Mode == ARC_MODE &&
 265       Crosshair.AttachedLine.State != STATE_FIRST)
 266     {
 267       Crosshair.AttachedLine.State = STATE_FIRST;
 268       Crosshair.AttachedBox.State = STATE_SECOND;
 269       Crosshair.AttachedBox.Point1.X = Crosshair.AttachedBox.Point2.X =
 270         Crosshair.AttachedLine.Point1.X;
 271       Crosshair.AttachedBox.Point1.Y = Crosshair.AttachedBox.Point2.Y =
 272         Crosshair.AttachedLine.Point1.Y;
 273       AdjustAttachedObjects ();
 274     }
 275   else if (Settings.Mode == ARC_MODE && Mode == LINE_MODE &&
 276            Crosshair.AttachedBox.State != STATE_FIRST)
 277     {
 278       Crosshair.AttachedBox.State = STATE_FIRST;
 279       Crosshair.AttachedLine.State = STATE_SECOND;
 280       Crosshair.AttachedLine.Point1.X = Crosshair.AttachedLine.Point2.X =
 281         Crosshair.AttachedBox.Point1.X;
 282       Crosshair.AttachedLine.Point1.Y = Crosshair.AttachedLine.Point2.Y =
 283         Crosshair.AttachedBox.Point1.Y;
 284       Settings.Mode = Mode;
 285       AdjustAttachedObjects ();
 286     }
 287   else
 288     {
 289       if (Settings.Mode == ARC_MODE || Settings.Mode == LINE_MODE)
 290         SetLocalRef (0, 0, false);
 291       Crosshair.AttachedBox.State = STATE_FIRST;
 292       Crosshair.AttachedLine.State = STATE_FIRST;
 293       if (Mode == LINE_MODE && TEST_FLAG (AUTODRCFLAG, PCB))
 294         {
 295           if (ResetConnections (true))
 296             {
 297               IncrementUndoSerialNumber ();
 298               Draw ();
 299             }
 300         }
 301     }
 302
 303   Settings.Mode = Mode;
 304
 305   if (Mode == PASTEBUFFER_MODE)
 306     /* do an update on the crosshair range */
 307     SetCrosshairRangeToBuffer ();
 308   else
 309     SetCrosshairRange (0, 0, PCB->MaxWidth, PCB->MaxHeight);
 310
 311   recursing = false;
 312
 313   /* force a crosshair grid update because the valid range
 314    * may have changed
 315    */
 316   MoveCrosshairRelative (0, 0);
 317   notify_crosshair_change (true);
 318 }
 319
 320 void
 321 SetRouteStyle (char *name)
 322 {
 323   char num[10];
 324
 325   STYLE_LOOP (PCB);
 326   {
 327     if (name && NSTRCMP (name, style->Name) == 0)
 328       {
 329         sprintf (num, "%d", n + 1);
 330         hid_actionl ("RouteStyle", num, NULL);
 331         break;
 332       }
 333   }
 334   END_LOOP;
 335 }
 336
 337 void
 338 SetLocalRef (LocationType X, LocationType Y, bool Showing)
 339 {
 340   static MarkType old;
 341   static int count = 0;
 342
 343   if (Showing)
 344     {
 345       notify_mark_change (false);
 346       if (count == 0)
 347         old = Marked;
 348       Marked.X = X;
 349       Marked.Y = Y;
 350       Marked.status = true;
 351       count++;
 352       notify_mark_change (true);
 353     }
 354   else if (count > 0)
 355     {
 356       notify_mark_change (false);
 357       count = 0;
 358       Marked = old;
 359       notify_mark_change (true);
 360     }
 361 }