utils/ogl/src/basic.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        basic.cpp
   3 // Purpose:     Basic OGL classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "basic.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include <wx/wxprec.h>
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include <wx/wx.h>
  25 #endif
  26
  27 #ifdef PROLOGIO
  28 #include <wx/wxexpr.h>
  29 #endif
  30
  31 #if USE_IOSTREAMH
  32 #include <iostream.h>
  33 #else
  34 #include <iostream>
  35 #endif
  36
  37 #include <stdio.h>
  38 #include <ctype.h>
  39 #include <math.h>
  40
  41 #include "basic.h"
  42 #include "basicp.h"
  43 #include "composit.h"
  44 #include "lines.h"
  45 #include "canvas.h"
  46 #include "divided.h"
  47 #include "misc.h"
  48
  49 // Control point types
  50 // Rectangle and most other shapes
  51 #define CONTROL_POINT_VERTICAL   1
  52 #define CONTROL_POINT_HORIZONTAL 2
  53 #define CONTROL_POINT_DIAGONAL   3
  54
  55 // Line
  56 #define CONTROL_POINT_ENDPOINT_TO 4
  57 #define CONTROL_POINT_ENDPOINT_FROM 5
  58 #define CONTROL_POINT_LINE       6
  59
  60 IMPLEMENT_DYNAMIC_CLASS(wxShapeTextLine, wxObject)
  61 IMPLEMENT_DYNAMIC_CLASS(wxAttachmentPoint, wxObject)
  62
  63 wxShapeTextLine::wxShapeTextLine(float the_x, float the_y, const wxString& the_line)
  64 {
  65   m_x = the_x; m_y = the_y; m_line = the_line;
  66 }
  67
  68 wxShapeTextLine::~wxShapeTextLine()
  69 {
  70 }
  71
  72 IMPLEMENT_ABSTRACT_CLASS(wxShapeEvtHandler, wxObject)
  73
  74 wxShapeEvtHandler::wxShapeEvtHandler(wxShapeEvtHandler *prev, wxShape *shape)
  75 {
  76   m_previousHandler = prev;
  77   m_handlerShape = shape;
  78 }
  79
  80 wxShapeEvtHandler::~wxShapeEvtHandler()
  81 {
  82 }
  83
  84 // Creates a copy of this event handler.
  85 wxShapeEvtHandler* wxShapeEvtHandler::CreateNewCopy()
  86 {
  87   wxShapeEvtHandler* newObject = (wxShapeEvtHandler*) GetClassInfo()->CreateObject();
  88
  89   wxASSERT( (newObject != NULL) );
  90   wxASSERT( (newObject->IsKindOf(CLASSINFO(wxShapeEvtHandler))) );
  91
  92   newObject->m_previousHandler = newObject;
  93
  94   CopyData(*newObject);
  95
  96   return newObject;
  97 }
  98
  99
 100 void wxShapeEvtHandler::OnDelete()
 101 {
 102   if (this != GetShape())
 103     delete this;
 104 }
 105
 106 void wxShapeEvtHandler::OnDraw(wxDC& dc)
 107 {
 108   if (m_previousHandler)
 109     m_previousHandler->OnDraw(dc);
 110 }
 111
 112 void wxShapeEvtHandler::OnMoveLinks(wxDC& dc)
 113 {
 114   if (m_previousHandler)
 115     m_previousHandler->OnMoveLinks(dc);
 116 }
 117
 118 void wxShapeEvtHandler::OnMoveLink(wxDC& dc, bool moveControlPoints)
 119 {
 120   if (m_previousHandler)
 121     m_previousHandler->OnMoveLink(dc, moveControlPoints);
 122 }
 123
 124 void wxShapeEvtHandler::OnDrawContents(wxDC& dc)
 125 {
 126   if (m_previousHandler)
 127     m_previousHandler->OnDrawContents(dc);
 128 }
 129
 130 void wxShapeEvtHandler::OnSize(float x, float y)
 131 {
 132   if (m_previousHandler)
 133     m_previousHandler->OnSize(x, y);
 134 }
 135
 136 bool wxShapeEvtHandler::OnMovePre(wxDC& dc, float x, float y, float old_x, float old_y, bool display)
 137 {
 138   if (m_previousHandler)
 139     return m_previousHandler->OnMovePre(dc, x, y, old_x, old_y, display);
 140   else
 141     return TRUE;
 142 }
 143
 144 void wxShapeEvtHandler::OnMovePost(wxDC& dc, float x, float y, float old_x, float old_y, bool display)
 145 {
 146   if (m_previousHandler)
 147     m_previousHandler->OnMovePost(dc, x, y, old_x, old_y, display);
 148 }
 149
 150 void wxShapeEvtHandler::OnErase(wxDC& dc)
 151 {
 152   if (m_previousHandler)
 153     m_previousHandler->OnErase(dc);
 154 }
 155
 156 void wxShapeEvtHandler::OnEraseContents(wxDC& dc)
 157 {
 158   if (m_previousHandler)
 159     m_previousHandler->OnEraseContents(dc);
 160 }
 161
 162 void wxShapeEvtHandler::OnHighlight(wxDC& dc)
 163 {
 164   if (m_previousHandler)
 165     m_previousHandler->OnHighlight(dc);
 166 }
 167
 168 void wxShapeEvtHandler::OnLeftClick(float x, float y, int keys, int attachment)
 169 {
 170   if (m_previousHandler)
 171     m_previousHandler->OnLeftClick(x, y, keys, attachment);
 172 }
 173
 174 void wxShapeEvtHandler::OnRightClick(float x, float y, int keys, int attachment)
 175 {
 176   if (m_previousHandler)
 177     m_previousHandler->OnRightClick(x, y, keys, attachment);
 178 }
 179
 180 void wxShapeEvtHandler::OnDragLeft(bool draw, float x, float y, int keys, int attachment)
 181 {
 182   if (m_previousHandler)
 183     m_previousHandler->OnDragLeft(draw, x, y, keys, attachment);
 184 }
 185
 186 void wxShapeEvtHandler::OnBeginDragLeft(float x, float y, int keys, int attachment)
 187 {
 188   if (m_previousHandler)
 189     m_previousHandler->OnBeginDragLeft(x, y, keys, attachment);
 190 }
 191
 192 void wxShapeEvtHandler::OnEndDragLeft(float x, float y, int keys, int attachment)
 193 {
 194   if (m_previousHandler)
 195     m_previousHandler->OnEndDragLeft(x, y, keys, attachment);
 196 }
 197
 198 void wxShapeEvtHandler::OnDragRight(bool draw, float x, float y, int keys, int attachment)
 199 {
 200   if (m_previousHandler)
 201     m_previousHandler->OnDragRight(draw, x, y, keys, attachment);
 202 }
 203
 204 void wxShapeEvtHandler::OnBeginDragRight(float x, float y, int keys, int attachment)
 205 {
 206   if (m_previousHandler)
 207     m_previousHandler->OnBeginDragRight(x, y, keys, attachment);
 208 }
 209
 210 void wxShapeEvtHandler::OnEndDragRight(float x, float y, int keys, int attachment)
 211 {
 212   if (m_previousHandler)
 213     m_previousHandler->OnEndDragRight(x, y, keys, attachment);
 214 }
 215
 216 // Control points ('handles') redirect control to the actual shape, to make it easier
 217 // to override sizing behaviour.
 218 void wxShapeEvtHandler::OnSizingDragLeft(wxControlPoint* pt, bool draw, float x, float y, int keys, int attachment)
 219 {
 220   if (m_previousHandler)
 221     m_previousHandler->OnSizingDragLeft(pt, draw, x, y, keys, attachment);
 222 }
 223
 224 void wxShapeEvtHandler::OnSizingBeginDragLeft(wxControlPoint* pt, float x, float y, int keys, int attachment)
 225 {
 226   if (m_previousHandler)
 227     m_previousHandler->OnSizingBeginDragLeft(pt, x, y, keys, attachment);
 228 }
 229
 230 void wxShapeEvtHandler::OnSizingEndDragLeft(wxControlPoint* pt, float x, float y, int keys, int attachment)
 231 {
 232   if (m_previousHandler)
 233     m_previousHandler->OnSizingEndDragLeft(pt, x, y, keys, attachment);
 234 }
 235
 236 void wxShapeEvtHandler::OnDrawOutline(wxDC& dc, float x, float y, float w, float h)
 237 {
 238   if (m_previousHandler)
 239     m_previousHandler->OnDrawOutline(dc, x, y, w, h);
 240 }
 241
 242 void wxShapeEvtHandler::OnDrawControlPoints(wxDC& dc)
 243 {
 244   if (m_previousHandler)
 245     m_previousHandler->OnDrawControlPoints(dc);
 246 }
 247
 248 void wxShapeEvtHandler::OnEraseControlPoints(wxDC& dc)
 249 {
 250   if (m_previousHandler)
 251     m_previousHandler->OnEraseControlPoints(dc);
 252 }
 253
 254 IMPLEMENT_ABSTRACT_CLASS(wxShape, wxShapeEvtHandler)
 255
 256 wxShape::wxShape(wxShapeCanvas *can)
 257 {
 258   m_eventHandler = this;
 259   SetShape(this);
 260   m_id = 0;
 261   m_formatted = FALSE;
 262   m_canvas = can;
 263   m_xpos = 0.0; m_ypos = 0.0;
 264   m_pen = black_pen;
 265   m_brush = wxWHITE_BRUSH;
 266   m_font = g_oglNormalFont;
 267   m_textColour = wxBLACK;
 268   m_textColourName = "BLACK";
 269   m_visible = FALSE;
 270   m_clientData = NULL;
 271   m_selected = FALSE;
 272   m_attachmentMode = FALSE;
 273   m_spaceAttachments = TRUE;
 274   m_disableLabel = FALSE;
 275   m_fixedWidth = FALSE;
 276   m_fixedHeight = FALSE;
 277   m_drawHandles = TRUE;
 278   m_sensitivity = OP_ALL;
 279   m_draggable = TRUE;
 280   m_parent = NULL;
 281   m_formatMode = FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT;
 282   m_shadowMode = SHADOW_NONE;
 283   m_shadowOffsetX = 6.0;
 284   m_shadowOffsetY = 6.0;
 285   m_shadowBrush = wxBLACK_BRUSH;
 286   m_textMarginX = 5.0;
 287   m_textMarginY = 5.0;
 288   m_regionName = "0";
 289   m_centreResize = TRUE;
 290   m_highlighted = FALSE;
 291   m_rotation = 0.0;
 292
 293   // Set up a default region. Much of the above will be put into
 294   // the region eventually (the duplication is for compatibility)
 295   wxShapeRegion *region = new wxShapeRegion;
 296   m_regions.Append(region);
 297   region->SetName("0");
 298   region->SetFont(g_oglNormalFont);
 299   region->SetFormatMode(FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT);
 300   region->SetColour("BLACK");
 301 }
 302
 303 wxShape::~wxShape()
 304 {
 305   if (m_parent)
 306     m_parent->GetChildren().DeleteObject(this);
 307
 308   ClearText();
 309   ClearRegions();
 310   ClearAttachments();
 311
 312   if (m_canvas)
 313     m_canvas->RemoveShape(this);
 314
 315   GetEventHandler()->OnDelete();
 316 }
 317
 318 void wxShape::SetHighlight(bool hi, bool recurse)
 319 {
 320   m_highlighted = hi;
 321   if (recurse)
 322   {
 323     wxNode *node = m_children.First();
 324     while (node)
 325     {
 326       wxShape *child = (wxShape *)node->Data();
 327       child->SetHighlight(hi, recurse);
 328       node = node->Next();
 329     }
 330   }
 331 }
 332
 333 void wxShape::SetSensitivityFilter(int sens, bool recursive)
 334 {
 335   if (sens & OP_DRAG_LEFT)
 336     m_draggable = TRUE;
 337   else
 338     m_draggable = FALSE;
 339
 340   m_sensitivity = sens;
 341   if (recursive)
 342   {
 343     wxNode *node = m_children.First();
 344     while (node)
 345     {
 346       wxShape *obj = (wxShape *)node->Data();
 347       obj->SetSensitivityFilter(sens, TRUE);
 348       node = node->Next();
 349     }
 350   }
 351 }
 352
 353 void wxShape::SetDraggable(bool drag, bool recursive)
 354 {
 355   m_draggable = drag;
 356   if (m_draggable)
 357     m_sensitivity |= OP_DRAG_LEFT;
 358   else
 359     if (m_sensitivity & OP_DRAG_LEFT)
 360       m_sensitivity = m_sensitivity - OP_DRAG_LEFT;
 361
 362   if (recursive)
 363   {
 364     wxNode *node = m_children.First();
 365     while (node)
 366     {
 367       wxShape *obj = (wxShape *)node->Data();
 368       obj->SetDraggable(drag, TRUE);
 369       node = node->Next();
 370     }
 371   }
 372 }
 373
 374 void wxShape::SetDrawHandles(bool drawH)
 375 {
 376   m_drawHandles = drawH;
 377   wxNode *node = m_children.First();
 378   while (node)
 379   {
 380     wxShape *obj = (wxShape *)node->Data();
 381     obj->SetDrawHandles(drawH);
 382     node = node->Next();
 383   }
 384 }
 385
 386 void wxShape::SetShadowMode(int mode, bool redraw)
 387 {
 388   if (redraw && GetCanvas())
 389   {
 390     wxClientDC dc(GetCanvas());
 391     GetCanvas()->PrepareDC(dc);
 392     Erase(dc);
 393
 394     m_shadowMode = mode;
 395
 396     Draw(dc);
 397   }
 398   else
 399   {
 400     m_shadowMode = mode;
 401   }
 402 }
 403
 404 void wxShape::SetCanvas(wxShapeCanvas *theCanvas)
 405 {
 406   m_canvas = theCanvas;
 407   wxNode *node = m_children.First();
 408   while (node)
 409   {
 410     wxShape *child = (wxShape *)node->Data();
 411     child->SetCanvas(theCanvas);
 412     node = node->Next();
 413   }
 414 }
 415
 416 void wxShape::AddToCanvas(wxShapeCanvas *theCanvas, wxShape *addAfter)
 417 {
 418   theCanvas->AddShape(this, addAfter);
 419   wxNode *node = m_children.First();
 420   wxShape *lastImage = this;
 421   while (node)
 422   {
 423     wxShape *object = (wxShape *)node->Data();
 424     object->AddToCanvas(theCanvas, lastImage);
 425     lastImage = object;
 426
 427     node = node->Next();
 428   }
 429 }
 430
 431 // Insert at front of canvas
 432 void wxShape::InsertInCanvas(wxShapeCanvas *theCanvas)
 433 {
 434   theCanvas->InsertShape(this);
 435   wxNode *node = m_children.First();
 436   wxShape *lastImage = this;
 437   while (node)
 438   {
 439     wxShape *object = (wxShape *)node->Data();
 440     object->AddToCanvas(theCanvas, lastImage);
 441     lastImage = object;
 442
 443     node = node->Next();
 444   }
 445 }
 446
 447 void wxShape::RemoveFromCanvas(wxShapeCanvas *theCanvas)
 448 {
 449   if (Selected())
 450     Select(FALSE);
 451   theCanvas->RemoveShape(this);
 452   wxNode *node = m_children.First();
 453   while (node)
 454   {
 455     wxShape *object = (wxShape *)node->Data();
 456     object->RemoveFromCanvas(theCanvas);
 457
 458     node = node->Next();
 459   }
 460 }
 461
 462 void wxShape::ClearAttachments()
 463 {
 464   wxNode *node = m_attachmentPoints.First();
 465   while (node)
 466   {
 467     wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
 468     delete point;
 469     node = node->Next();
 470   }
 471   m_attachmentPoints.Clear();
 472 }
 473
 474 void wxShape::ClearText(int regionId)
 475 {
 476   if (regionId == 0)
 477   {
 478     m_text.DeleteContents(TRUE);
 479     m_text.Clear();
 480     m_text.DeleteContents(FALSE);
 481   }
 482   wxNode *node = m_regions.Nth(regionId);
 483   if (!node)
 484     return;
 485   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 486   region->ClearText();
 487 }
 488
 489 void wxShape::ClearRegions()
 490 {
 491   wxNode *node = m_regions.First();
 492   while (node)
 493   {
 494     wxShapeRegion *region = (wxShapeRegion *)node->Data();
 495     wxNode *next = node->Next();
 496     delete region;
 497     delete node;
 498     node = next;
 499   }
 500 }
 501
 502 void wxShape::AddRegion(wxShapeRegion *region)
 503 {
 504   m_regions.Append(region);
 505 }
 506
 507 void wxShape::SetDefaultRegionSize()
 508 {
 509   wxNode *node = m_regions.First();
 510   if (!node) return;
 511   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 512   float w, h;
 513   GetBoundingBoxMin(&w, &h);
 514   region->SetSize(w, h);
 515 }
 516
 517 bool wxShape::HitTest(float x, float y, int *attachment, float *distance)
 518 {
 519 //  if (!sensitive)
 520 //    return FALSE;
 521
 522   float width = 0.0, height = 0.0;
 523   GetBoundingBoxMin(&width, &height);
 524   if (fabs(width) < 4.0) width = 4.0;
 525   if (fabs(height) < 4.0) height = 4.0;
 526
 527   width += (float)4.0; height += (float)4.0; // Allowance for inaccurate mousing
 528
 529   float left = (float)(m_xpos - (width/2.0));
 530   float top = (float)(m_ypos - (height/2.0));
 531   float right = (float)(m_xpos + (width/2.0));
 532   float bottom = (float)(m_ypos + (height/2.0));
 533
 534   int nearest_attachment = 0;
 535
 536
 537   // If within the bounding box, check the attachment points
 538   // within the object.
 539
 540   if (x >= left && x <= right && y >= top && y <= bottom)
 541   {
 542     int n = GetNumberOfAttachments();
 543     float nearest = 999999.0;
 544
 545     for (int i = 0; i < n; i++)
 546     {
 547       float xp, yp;
 548       if (GetAttachmentPosition(i, &xp, &yp))
 549       {
 550         float l = (float)sqrt(((xp - x) * (xp - x)) +
 551                    ((yp - y) * (yp - y)));
 552
 553         if (l < nearest)
 554         {
 555           nearest = l;
 556           nearest_attachment = i;
 557         }
 558       }
 559     }
 560     *attachment = nearest_attachment;
 561     *distance = nearest;
 562     return TRUE;
 563   }
 564   else return FALSE;
 565 }
 566
 567 // Format a text string according to the region size, adding
 568 // strings with positions to region text list
 569
 570 static bool GraphicsInSizeToContents = FALSE; // Infinite recursion elimination
 571 void wxShape::FormatText(wxDC& dc, const wxString& s, int i)
 572 {
 573   float w, h;
 574   ClearText(i);
 575
 576   if (m_regions.Number() < 1)
 577     return;
 578   wxNode *node = m_regions.Nth(i);
 579   if (!node)
 580     return;
 581
 582   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 583   region->SetText(s);
 584   dc.SetFont(region->GetFont());
 585
 586   region->GetSize(&w, &h);
 587
 588   wxList *string_list = ::FormatText(dc, s, (w-5), (h-5), region->GetFormatMode());
 589   node = string_list->First();
 590   while (node)
 591   {
 592     char *s = (char *)node->Data();
 593     wxShapeTextLine *line = new wxShapeTextLine(0.0, 0.0, s);
 594     region->GetFormattedText().Append((wxObject *)line);
 595     delete node;
 596     node = string_list->First();
 597   }
 598   delete string_list;
 599   float actualW = w;
 600   float actualH = h;
 601   // Don't try to resize an object with more than one image (this case should be dealt
 602   // with by overriden handlers)
 603   if ((region->GetFormatMode() & FORMAT_SIZE_TO_CONTENTS) &&
 604       (region->GetFormattedText().Number() > 0) &&
 605       (m_regions.Number() == 1) && !GraphicsInSizeToContents)
 606   {
 607     GetCentredTextExtent(dc, &(region->GetFormattedText()), m_xpos, m_ypos, w, h, &actualW, &actualH);
 608     if ((actualW+m_textMarginX != w ) || (actualH+m_textMarginY != h))
 609     {
 610       // If we are a descendant of a composite, must make sure the composite gets
 611       // resized properly
 612       wxShape *topAncestor = GetTopAncestor();
 613
 614       if (topAncestor != this)
 615       {
 616         // Make sure we don't recurse infinitely
 617         GraphicsInSizeToContents = TRUE;
 618
 619         wxCompositeShape *composite = (wxCompositeShape *)topAncestor;
 620         composite->Erase(dc);
 621         SetSize(actualW+m_textMarginX, actualH+m_textMarginY);
 622         Move(dc, m_xpos, m_ypos);
 623         composite->CalculateSize();
 624         if (composite->Selected())
 625         {
 626           composite->DeleteControlPoints(& dc);
 627           composite->MakeControlPoints();
 628           composite->MakeMandatoryControlPoints();
 629         }
 630         // Where infinite recursion might happen if we didn't stop it
 631         composite->Draw(dc);
 632
 633         GraphicsInSizeToContents = FALSE;
 634       }
 635       else
 636       {
 637         Erase(dc);
 638         SetSize(actualW+m_textMarginX, actualH+m_textMarginY);
 639         Move(dc, m_xpos, m_ypos);
 640       }
 641       SetSize(actualW+m_textMarginX, actualH+m_textMarginY);
 642       Move(dc, m_xpos, m_ypos);
 643       EraseContents(dc);
 644     }
 645   }
 646   CentreText(dc, &(region->GetFormattedText()), m_xpos, m_ypos, actualW, actualH, region->GetFormatMode());
 647   m_formatted = TRUE;
 648 }
 649
 650 void wxShape::Recentre(wxDC& dc)
 651 {
 652   float w, h;
 653   GetBoundingBoxMin(&w, &h);
 654
 655   int noRegions = m_regions.Number();
 656   for (int i = 0; i < noRegions; i++)
 657   {
 658     wxNode *node = m_regions.Nth(i);
 659     if (node)
 660     {
 661       wxShapeRegion *region = (wxShapeRegion *)node->Data();
 662       CentreText(dc, &(region->GetFormattedText()), m_xpos, m_ypos, w, h, region->GetFormatMode());
 663     }
 664   }
 665 }
 666
 667 bool wxShape::GetPerimeterPoint(float x1, float y1,
 668                                      float x2, float y2,
 669                                      float *x3, float *y3)
 670 {
 671   return FALSE;
 672 }
 673
 674 void wxShape::SetPen(wxPen *the_pen)
 675 {
 676   m_pen = the_pen;
 677 }
 678
 679 void wxShape::SetBrush(wxBrush *the_brush)
 680 {
 681   m_brush = the_brush;
 682 }
 683
 684 // Get the top-most (non-division) ancestor, or self
 685 wxShape *wxShape::GetTopAncestor()
 686 {
 687   if (!GetParent())
 688     return this;
 689
 690   if (GetParent()->IsKindOf(CLASSINFO(wxDivisionShape)))
 691     return this;
 692   else return GetParent()->GetTopAncestor();
 693 }
 694
 695 /*
 696  * Region functions
 697  *
 698  */
 699 void wxShape::SetFont(wxFont *the_font, int regionId)
 700 {
 701   m_font = the_font;
 702   wxNode *node = m_regions.Nth(regionId);
 703   if (!node)
 704     return;
 705   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 706   region->SetFont(the_font);
 707 }
 708
 709 wxFont *wxShape::GetFont(int n) const
 710 {
 711   wxNode *node = m_regions.Nth(n);
 712   if (!node)
 713     return NULL;
 714   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 715   return region->GetFont();
 716 }
 717
 718 void wxShape::SetFormatMode(int mode, int regionId)
 719 {
 720   wxNode *node = m_regions.Nth(regionId);
 721   if (!node)
 722     return;
 723   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 724   region->SetFormatMode(mode);
 725 }
 726
 727 int wxShape::GetFormatMode(int regionId) const
 728 {
 729   wxNode *node = m_regions.Nth(regionId);
 730   if (!node)
 731     return 0;
 732   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 733   return region->GetFormatMode();
 734 }
 735
 736 void wxShape::SetTextColour(const wxString& the_colour, int regionId)
 737 {
 738   wxColour *wxcolour = wxTheColourDatabase->FindColour(the_colour);
 739   m_textColour = wxcolour;
 740   m_textColourName = the_colour;
 741
 742   wxNode *node = m_regions.Nth(regionId);
 743   if (!node)
 744     return;
 745   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 746   region->SetColour(the_colour);
 747 }
 748
 749 wxString wxShape::GetTextColour(int regionId) const
 750 {
 751   wxNode *node = m_regions.Nth(regionId);
 752   if (!node)
 753     return wxString("");
 754   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 755   return region->GetColour();
 756 }
 757
 758 void wxShape::SetRegionName(const wxString& name, int regionId)
 759 {
 760   wxNode *node = m_regions.Nth(regionId);
 761   if (!node)
 762     return;
 763   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 764   region->SetName(name);
 765 }
 766
 767 wxString wxShape::GetRegionName(int regionId)
 768 {
 769   wxNode *node = m_regions.Nth(regionId);
 770   if (!node)
 771     return wxString("");
 772   wxShapeRegion *region = (wxShapeRegion *)node->Data();
 773   return region->GetName();
 774 }
 775
 776 int wxShape::GetRegionId(const wxString& name)
 777 {
 778   wxNode *node = m_regions.First();
 779   int i = 0;
 780   while (node)
 781   {
 782     wxShapeRegion *region = (wxShapeRegion *)node->Data();
 783     if (region->GetName() == name)
 784       return i;
 785     node = node->Next();
 786     i ++;
 787   }
 788   return -1;
 789 }
 790
 791 // Name all m_regions in all subimages recursively.
 792 void wxShape::NameRegions(const wxString& parentName)
 793 {
 794   int n = GetNumberOfTextRegions();
 795   char buf[100];
 796   for (int i = 0; i < n; i++)
 797   {
 798     if (parentName.Length() > 0)
 799       sprintf(buf, "%s.%d", (const char*) parentName, i);
 800     else
 801       sprintf(buf, "%d", i);
 802     SetRegionName(buf, i);
 803   }
 804   wxNode *node = m_children.First();
 805   int j = 0;
 806   while (node)
 807   {
 808     wxShape *child = (wxShape *)node->Data();
 809     if (parentName.Length() > 0)
 810       sprintf(buf, "%s.%d", (const char*) parentName, j);
 811     else
 812       sprintf(buf, "%d", j);
 813     child->NameRegions(buf);
 814     node = node->Next();
 815     j ++;
 816   }
 817 }
 818
 819 // Get a region by name, possibly looking recursively into composites.
 820 wxShape *wxShape::FindRegion(const wxString& name, int *regionId)
 821 {
 822   int id = GetRegionId(name);
 823   if (id > -1)
 824   {
 825     *regionId = id;
 826     return this;
 827   }
 828
 829   wxNode *node = m_children.First();
 830   while (node)
 831   {
 832     wxShape *child = (wxShape *)node->Data();
 833     wxShape *actualImage = child->FindRegion(name, regionId);
 834     if (actualImage)
 835       return actualImage;
 836     node = node->Next();
 837   }
 838   return NULL;
 839 }
 840
 841 // Finds all region names for this image (composite or simple).
 842 // Supply empty string list.
 843 void wxShape::FindRegionNames(wxStringList& list)
 844 {
 845   int n = GetNumberOfTextRegions();
 846   for (int i = 0; i < n; i++)
 847   {
 848     wxString name(GetRegionName(i));
 849     list.Add((const char*) name);
 850   }
 851
 852   wxNode *node = m_children.First();
 853   while (node)
 854   {
 855     wxShape *child = (wxShape *)node->Data();
 856     child->FindRegionNames(list);
 857     node = node->Next();
 858   }
 859 }
 860
 861 void wxShape::AssignNewIds()
 862 {
 863   if (m_id == 0)
 864     m_id = NewId();
 865   wxNode *node = m_children.First();
 866   while (node)
 867   {
 868     wxShape *child = (wxShape *)node->Data();
 869     child->AssignNewIds();
 870     node = node->Next();
 871   }
 872 }
 873
 874 void wxShape::OnDraw(wxDC& dc)
 875 {
 876 }
 877
 878 void wxShape::OnMoveLinks(wxDC& dc)
 879 {
 880   // Want to set the ends of all attached links
 881   // to point to/from this object
 882
 883   wxNode *current = m_lines.First();
 884   while (current)
 885   {
 886     wxLineShape *line = (wxLineShape *)current->Data();
 887     line->GetEventHandler()->OnMoveLink(dc);
 888     current = current->Next();
 889   }
 890 }
 891
 892
 893 void wxShape::OnDrawContents(wxDC& dc)
 894 {
 895   float bound_x, bound_y;
 896   GetBoundingBoxMin(&bound_x, &bound_y);
 897     if (m_regions.Number() < 1) return;
 898
 899     if (m_pen) dc.SetPen(m_pen);
 900
 901     wxShapeRegion *region = (wxShapeRegion *)m_regions.First()->Data();
 902     if (region->GetFont()) dc.SetFont(region->GetFont());
 903
 904     dc.SetTextForeground(* (region->GetActualColourObject()));
 905     dc.SetBackgroundMode(wxTRANSPARENT);
 906     if (!m_formatted)
 907     {
 908       CentreText(dc, &(region->GetFormattedText()), m_xpos, m_ypos, bound_x, bound_y, region->GetFormatMode());
 909       m_formatted = TRUE;
 910     }
 911     if (!GetDisableLabel())
 912     {
 913       DrawFormattedText(dc, &(region->GetFormattedText()), m_xpos, m_ypos, bound_x, bound_y, region->GetFormatMode());
 914     }
 915 }
 916
 917 void wxShape::DrawContents(wxDC& dc)
 918 {
 919   GetEventHandler()->OnDrawContents(dc);
 920 }
 921
 922 void wxShape::OnSize(float x, float y)
 923 {
 924 }
 925
 926 bool wxShape::OnMovePre(wxDC& dc, float x, float y, float old_x, float old_y, bool display)
 927 {
 928   return TRUE;
 929 }
 930
 931 void wxShape::OnMovePost(wxDC& dc, float x, float y, float old_x, float old_y, bool display)
 932 {
 933 }
 934
 935 void wxShape::OnErase(wxDC& dc)
 936 {
 937   if (!m_visible)
 938     return;
 939
 940   // Erase links
 941   wxNode *current = m_lines.First();
 942   while (current)
 943   {
 944     wxLineShape *line = (wxLineShape *)current->Data();
 945     line->GetEventHandler()->OnErase(dc);
 946     current = current->Next();
 947   }
 948   GetEventHandler()->OnEraseContents(dc);
 949 }
 950
 951 void wxShape::OnEraseContents(wxDC& dc)
 952 {
 953   if (!m_visible)
 954     return;
 955
 956   float maxX, maxY, minX, minY;
 957   float xp = GetX();
 958   float yp = GetY();
 959   GetBoundingBoxMin(&minX, &minY);
 960   GetBoundingBoxMax(&maxX, &maxY);
 961   float topLeftX = (float)(xp - (maxX / 2.0) - 2.0);
 962   float topLeftY = (float)(yp - (maxY / 2.0) - 2.0);
 963
 964     int penWidth = 0;
 965     if (m_pen)
 966       penWidth = m_pen->GetWidth();
 967
 968     dc.SetPen(white_background_pen);
 969     dc.SetBrush(white_background_brush);
 970     dc.DrawRectangle((float)(topLeftX - penWidth), (float)(topLeftY - penWidth),
 971                       (float)(maxX + penWidth*2.0 + 4.0), (float)(maxY + penWidth*2.0 + 4.0));
 972 }
 973
 974 void wxShape::EraseLinks(wxDC& dc, int attachment, bool recurse)
 975 {
 976   if (!m_visible)
 977     return;
 978
 979   wxNode *current = m_lines.First();
 980   while (current)
 981   {
 982     wxLineShape *line = (wxLineShape *)current->Data();
 983     if (attachment == -1 || ((line->GetTo() == this && line->GetAttachmentTo() == attachment) ||
 984                              (line->GetFrom() == this && line->GetAttachmentFrom() == attachment)))
 985       line->GetEventHandler()->OnErase(dc);
 986     current = current->Next();
 987   }
 988   if (recurse)
 989   {
 990     wxNode *node = m_children.First();
 991     while (node)
 992     {
 993       wxShape *child = (wxShape *)node->Data();
 994       child->EraseLinks(dc, attachment, recurse);
 995       node = node->Next();
 996     }
 997   }
 998 }
 999
1000 void wxShape::DrawLinks(wxDC& dc, int attachment, bool recurse)
1001 {
1002   if (!m_visible)
1003     return;
1004
1005   wxNode *current = m_lines.First();
1006   while (current)
1007   {
1008     wxLineShape *line = (wxLineShape *)current->Data();
1009     if (attachment == -1 ||
1010         (line->GetTo() == this && line->GetAttachmentTo() == attachment) ||
1011         (line->GetFrom() == this && line->GetAttachmentFrom() == attachment))
1012       line->Draw(dc);
1013     current = current->Next();
1014   }
1015   if (recurse)
1016   {
1017     wxNode *node = m_children.First();
1018     while (node)
1019     {
1020       wxShape *child = (wxShape *)node->Data();
1021       child->DrawLinks(dc, attachment, recurse);
1022       node = node->Next();
1023     }
1024   }
1025 }
1026
1027 void wxShape::MoveLineToNewAttachment(wxDC& dc, wxLineShape *to_move,
1028                                        float x, float y)
1029 {
1030   int new_point;
1031   float distance;
1032
1033   // Is (x, y) on this object? If so, find the new attachment point
1034   // the user has moved the point to
1035   bool hit = HitTest(x, y, &new_point, &distance);
1036   if (!hit)
1037     return;
1038
1039   EraseLinks(dc);
1040
1041   int old_attachment;
1042   if (to_move->GetTo() == this)
1043     old_attachment = to_move->GetAttachmentTo();
1044   else
1045     old_attachment = to_move->GetAttachmentFrom();
1046
1047   // Delete the line object from the list of links; we're going to move
1048   // it to another position in the list
1049   m_lines.DeleteObject(to_move);
1050
1051   float old_x = (float) -9999.9;
1052   float old_y = (float) -9999.9;
1053
1054   wxNode *node = m_lines.First();
1055   bool found = FALSE;
1056
1057   while (node && !found)
1058   {
1059     wxLineShape *line = (wxLineShape *)node->Data();
1060     if ((line->GetTo() == this && old_attachment == line->GetAttachmentTo()) ||
1061         (line->GetFrom() == this && old_attachment == line->GetAttachmentFrom()))
1062     {
1063       float startX, startY, endX, endY;
1064       float xp, yp;
1065       line->GetEnds(&startX, &startY, &endX, &endY);
1066       if (line->GetTo() == this)
1067       {
1068 //        xp = line->m_xpos2 + line->m_xpos;
1069 //        yp = line->m_ypos2 + line->m_ypos;
1070         xp = startX;
1071         yp = startY;
1072       } else
1073       {
1074 //        xp = line->m_xpos1 + line->m_xpos;
1075 //        yp = line->m_ypos1 + line->m_ypos;
1076         xp = endX;
1077         yp = endY;
1078       }
1079
1080       switch (old_attachment)
1081       {
1082         case 0:
1083         case 2:
1084         {
1085           if (x > old_x && x <= xp)
1086           {
1087             found = TRUE;
1088             m_lines.Insert(node, to_move);
1089           }
1090           break;
1091         }
1092         case 1:
1093         case 3:
1094         {
1095           if (y > old_y && y <= yp)
1096           {
1097             found = TRUE;
1098             m_lines.Insert(node, to_move);
1099           }
1100           break;
1101         }
1102       }
1103       old_x = xp;
1104       old_y = yp;
1105     }
1106     node = node->Next();
1107   }
1108   if (!found)
1109     m_lines.Append(to_move);
1110 }
1111
1112 // Reorders the lines coming into the node image at this attachment
1113 // position, in the order in which they appear in linesToSort.
1114 // Any remaining lines not in the list will be added to the end.
1115 void wxShape::SortLines(int attachment, wxList& linesToSort)
1116 {
1117   // This is a temporary store of all the lines at this attachment
1118   // point. We'll tick them off as we've processed them.
1119   wxList linesAtThisAttachment;
1120
1121   wxNode *node = m_lines.First();
1122   while (node)
1123   {
1124     wxLineShape *line = (wxLineShape *)node->Data();
1125     wxNode *next = node->Next();
1126     if ((line->GetTo() == this && line->GetAttachmentTo() == attachment) ||
1127         (line->GetFrom() == this && line->GetAttachmentFrom() == attachment))
1128     {
1129       linesAtThisAttachment.Append(line);
1130       delete node;
1131       node = next;
1132     }
1133     else node = node->Next();
1134   }
1135
1136   node = linesToSort.First();
1137   while (node)
1138   {
1139     wxLineShape *line = (wxLineShape *)node->Data();
1140     if (linesAtThisAttachment.Member(line))
1141     {
1142       // Done this one
1143       linesAtThisAttachment.DeleteObject(line);
1144       m_lines.Append(line);
1145     }
1146     node = node->Next();
1147   }
1148
1149   // Now add any lines that haven't been listed in linesToSort.
1150   node = linesAtThisAttachment.First();
1151   while (node)
1152   {
1153     wxLineShape *line = (wxLineShape *)node->Data();
1154     m_lines.Append(line);
1155     node = node->Next();
1156   }
1157 }
1158
1159 void wxShape::OnHighlight(wxDC& dc)
1160 {
1161 }
1162
1163 void wxShape::OnLeftClick(float x, float y, int keys, int attachment)
1164 {
1165   if ((m_sensitivity & OP_CLICK_LEFT) != OP_CLICK_LEFT)
1166   {
1167     attachment = 0;
1168     float dist;
1169     if (m_parent)
1170     {
1171       m_parent->HitTest(x, y, &attachment, &dist);
1172       m_parent->GetEventHandler()->OnLeftClick(x, y, keys, attachment);
1173     }
1174     return;
1175   }
1176 }
1177
1178 void wxShape::OnRightClick(float x, float y, int keys, int attachment)
1179 {
1180   if ((m_sensitivity & OP_CLICK_RIGHT) != OP_CLICK_RIGHT)
1181   {
1182     attachment = 0;
1183     float dist;
1184     if (m_parent)
1185     {
1186       m_parent->HitTest(x, y, &attachment, &dist);
1187       m_parent->GetEventHandler()->OnRightClick(x, y, keys, attachment);
1188     }
1189     return;
1190   }
1191 }
1192
1193 float DragOffsetX = 0.0;
1194 float DragOffsetY = 0.0;
1195
1196 void wxShape::OnDragLeft(bool draw, float x, float y, int keys, int attachment)
1197 {
1198   if ((m_sensitivity & OP_DRAG_LEFT) != OP_DRAG_LEFT)
1199   {
1200     attachment = 0;
1201     float dist;
1202     if (m_parent)
1203     {
1204       m_parent->HitTest(x, y, &attachment, &dist);
1205       m_parent->GetEventHandler()->OnDragLeft(draw, x, y, keys, attachment);
1206     }
1207     return;
1208   }
1209
1210   wxClientDC dc(GetCanvas());
1211   GetCanvas()->PrepareDC(dc);
1212
1213   dc.SetLogicalFunction(wxXOR);
1214
1215   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
1216   dc.SetPen(dottedPen);
1217   dc.SetBrush(* wxTRANSPARENT_BRUSH);
1218
1219   float xx, yy;
1220   xx = x + DragOffsetX;
1221   yy = y + DragOffsetY;
1222
1223   m_canvas->Snap(&xx, &yy);
1224 //  m_xpos = xx; m_ypos = yy;
1225   float w, h;
1226   GetBoundingBoxMax(&w, &h);
1227   GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
1228 }
1229
1230 void wxShape::OnBeginDragLeft(float x, float y, int keys, int attachment)
1231 {
1232   if ((m_sensitivity & OP_DRAG_LEFT) != OP_DRAG_LEFT)
1233   {
1234     attachment = 0;
1235     float dist;
1236     if (m_parent)
1237     {
1238       m_parent->HitTest(x, y, &attachment, &dist);
1239       m_parent->GetEventHandler()->OnBeginDragLeft(x, y, keys, attachment);
1240     }
1241     return;
1242   }
1243
1244   DragOffsetX = m_xpos - x;
1245   DragOffsetY = m_ypos - y;
1246
1247   wxClientDC dc(GetCanvas());
1248   GetCanvas()->PrepareDC(dc);
1249
1250   Erase(dc);
1251   float xx, yy;
1252   xx = x + DragOffsetX;
1253   yy = y + DragOffsetY;
1254   m_canvas->Snap(&xx, &yy);
1255 //  m_xpos = xx; m_ypos = yy;
1256   dc.SetLogicalFunction(wxXOR);
1257
1258   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
1259   dc.SetPen(dottedPen);
1260   dc.SetBrush((* wxTRANSPARENT_BRUSH));
1261
1262   float w, h;
1263   GetBoundingBoxMax(&w, &h);
1264   GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
1265   m_canvas->CaptureMouse();
1266 }
1267
1268 void wxShape::OnEndDragLeft(float x, float y, int keys, int attachment)
1269 {
1270   m_canvas->ReleaseMouse();
1271   if ((m_sensitivity & OP_DRAG_LEFT) != OP_DRAG_LEFT)
1272   {
1273     attachment = 0;
1274     float dist;
1275     if (m_parent)
1276     {
1277       m_parent->HitTest(x, y, &attachment, &dist);
1278       m_parent->GetEventHandler()->OnEndDragLeft(x, y, keys, attachment);
1279     }
1280     return;
1281   }
1282
1283   wxClientDC dc(GetCanvas());
1284   GetCanvas()->PrepareDC(dc);
1285
1286   dc.SetLogicalFunction(wxCOPY);
1287
1288   float xx = x + DragOffsetX;
1289   float yy = y + DragOffsetY;
1290   m_canvas->Snap(&xx, &yy);
1291 //  canvas->Snap(&m_xpos, &m_ypos);
1292   Move(dc, xx, yy);
1293   if (m_canvas && !m_canvas->GetQuickEditMode()) m_canvas->Redraw(dc);
1294 }
1295
1296 void wxShape::OnDragRight(bool draw, float x, float y, int keys, int attachment)
1297 {
1298   if ((m_sensitivity & OP_DRAG_RIGHT) != OP_DRAG_RIGHT)
1299   {
1300     attachment = 0;
1301     float dist;
1302     if (m_parent)
1303     {
1304       m_parent->HitTest(x, y, &attachment, &dist);
1305       m_parent->GetEventHandler()->OnDragRight(draw, x, y, keys, attachment);
1306     }
1307     return;
1308   }
1309 }
1310
1311 void wxShape::OnBeginDragRight(float x, float y, int keys, int attachment)
1312 {
1313   if ((m_sensitivity & OP_DRAG_RIGHT) != OP_DRAG_RIGHT)
1314   {
1315     attachment = 0;
1316     float dist;
1317     if (m_parent)
1318     {
1319       m_parent->HitTest(x, y, &attachment, &dist);
1320       m_parent->GetEventHandler()->OnBeginDragRight(x, y, keys, attachment);
1321     }
1322     return;
1323   }
1324 }
1325
1326 void wxShape::OnEndDragRight(float x, float y, int keys, int attachment)
1327 {
1328   if ((m_sensitivity & OP_DRAG_RIGHT) != OP_DRAG_RIGHT)
1329   {
1330     attachment = 0;
1331     float dist;
1332     if (m_parent)
1333     {
1334       m_parent->HitTest(x, y, &attachment, &dist);
1335       m_parent->GetEventHandler()->OnEndDragRight(x, y, keys, attachment);
1336     }
1337     return;
1338   }
1339 }
1340
1341 void wxShape::OnDrawOutline(wxDC& dc, float x, float y, float w, float h)
1342 {
1343   float top_left_x = (float)(x - w/2.0);
1344   float top_left_y = (float)(y - h/2.0);
1345   float top_right_x = (float)(top_left_x + w);
1346   float top_right_y = (float)top_left_y;
1347   float bottom_left_x = (float)top_left_x;
1348   float bottom_left_y = (float)(top_left_y + h);
1349   float bottom_right_x = (float)top_right_x;
1350   float bottom_right_y = (float)bottom_left_y;
1351
1352   wxPoint points[5];
1353   points[0].x = top_left_x; points[0].y = top_left_y;
1354   points[1].x = top_right_x; points[1].y = top_right_y;
1355   points[2].x = bottom_right_x; points[2].y = bottom_right_y;
1356   points[3].x = bottom_left_x; points[3].y = bottom_left_y;
1357   points[4].x = top_left_x; points[4].y = top_left_y;
1358
1359   dc.DrawLines(5, points);
1360 }
1361
1362 void wxShape::Attach(wxShapeCanvas *can)
1363 {
1364   m_canvas = can;
1365 }
1366
1367 void wxShape::Detach()
1368 {
1369   m_canvas = NULL;
1370 }
1371
1372 void wxShape::Move(wxDC& dc, float x, float y, bool display)
1373 {
1374   float old_x = m_xpos;
1375   float old_y = m_ypos;
1376
1377   m_xpos = x; m_ypos = y;
1378
1379   if (!GetEventHandler()->OnMovePre(dc, x, y, old_x, old_y, display))
1380   {
1381     m_xpos = old_x;
1382     m_ypos = old_y;
1383     return;
1384   }
1385
1386   ResetControlPoints();
1387
1388   if (display)
1389     Draw(dc);
1390
1391   MoveLinks(dc);
1392
1393   GetEventHandler()->OnMovePost(dc, x, y, old_x, old_y, display);
1394 }
1395
1396 void wxShape::MoveLinks(wxDC& dc)
1397 {
1398   GetEventHandler()->OnMoveLinks(dc);
1399 }
1400
1401
1402 void wxShape::Draw(wxDC& dc)
1403 {
1404   if (m_visible)
1405   {
1406     GetEventHandler()->OnDraw(dc);
1407     GetEventHandler()->OnDrawContents(dc);
1408     GetEventHandler()->OnDrawControlPoints(dc);
1409   }
1410 }
1411
1412 void wxShape::Flash()
1413 {
1414     if (GetCanvas())
1415     {
1416         wxClientDC dc(GetCanvas());
1417         GetCanvas()->PrepareDC(dc);
1418
1419         dc.SetLogicalFunction(wxXOR);
1420         Draw(dc);
1421         dc.SetLogicalFunction(wxCOPY);
1422         Draw(dc);
1423     }
1424 }
1425
1426 void wxShape::Show(bool show)
1427 {
1428   m_visible = show;
1429   wxNode *node = m_children.First();
1430   while (node)
1431   {
1432     wxShape *image = (wxShape *)node->Data();
1433     image->Show(show);
1434     node = node->Next();
1435   }
1436 }
1437
1438 void wxShape::Erase(wxDC& dc)
1439 {
1440   GetEventHandler()->OnErase(dc);
1441   GetEventHandler()->OnEraseControlPoints(dc);
1442 }
1443
1444 void wxShape::EraseContents(wxDC& dc)
1445 {
1446   GetEventHandler()->OnEraseContents(dc);
1447 }
1448
1449 void wxShape::AddText(const wxString& string)
1450 {
1451   wxNode *node = m_regions.First();
1452   if (!node)
1453     return;
1454   wxShapeRegion *region = (wxShapeRegion *)node->Data();
1455   region->ClearText();
1456   wxShapeTextLine *new_line =
1457       new wxShapeTextLine(0.0, 0.0, string);
1458   region->GetFormattedText().Append(new_line);
1459
1460   m_formatted = FALSE;
1461 }
1462
1463 void wxShape::SetSize(float x, float y, bool recursive)
1464 {
1465   SetAttachmentSize(x, y);
1466   SetDefaultRegionSize();
1467 }
1468
1469 void wxShape::SetAttachmentSize(float w, float h)
1470 {
1471   float scaleX;
1472   float scaleY;
1473   float width, height;
1474   GetBoundingBoxMin(&width, &height);
1475   if (width == 0.0)
1476     scaleX = 1.0;
1477   else scaleX = w/width;
1478   if (height == 0.0)
1479     scaleY = 1.0;
1480   else scaleY = h/height;
1481
1482   wxNode *node = m_attachmentPoints.First();
1483   while (node)
1484   {
1485     wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
1486     point->m_x = (float)(point->m_x * scaleX);
1487     point->m_y = (float)(point->m_y * scaleY);
1488     node = node->Next();
1489   }
1490 }
1491
1492 // Add line FROM this object
1493 void wxShape::AddLine(wxLineShape *line, wxShape *other,
1494                            int attachFrom, int attachTo)
1495 {
1496   if (!m_lines.Member(line))
1497     m_lines.Append(line);
1498
1499   if (!other->m_lines.Member(line))
1500     other->m_lines.Append(line);
1501
1502   line->SetFrom(this);
1503   line->SetTo(other);
1504   line->SetAttachments(attachFrom, attachTo);
1505 }
1506
1507 void wxShape::RemoveLine(wxLineShape *line)
1508 {
1509   if (line->GetFrom() == this)
1510     line->GetTo()->m_lines.DeleteObject(line);
1511   else
1512    line->GetFrom()->m_lines.DeleteObject(line);
1513
1514   m_lines.DeleteObject(line);
1515 }
1516
1517 #ifdef PROLOGIO
1518 char *wxShape::GetFunctor()
1519 {
1520   return "node_image";
1521 }
1522
1523 void wxShape::WritePrologAttributes(wxExpr *clause)
1524 {
1525   clause->AddAttributeValueString("type", GetClassInfo()->GetClassName());
1526   clause->AddAttributeValue("id", m_id);
1527
1528   if (m_pen)
1529   {
1530     int penWidth = m_pen->GetWidth();
1531     int penStyle = m_pen->GetStyle();
1532     if (penWidth != 1)
1533       clause->AddAttributeValue("pen_width", (long)penWidth);
1534     if (penStyle != wxSOLID)
1535       clause->AddAttributeValue("pen_style", (long)penStyle);
1536
1537     wxString penColour = wxTheColourDatabase->FindName(m_pen->GetColour());
1538     if ((penColour != "") && (penColour != "BLACK"))
1539       clause->AddAttributeValueString("pen_colour", penColour);
1540   }
1541
1542   if (m_brush)
1543   {
1544     wxString brushColour = wxTheColourDatabase->FindName(m_brush->GetColour());
1545
1546     if ((brushColour != "") && (brushColour != "WHITE"))
1547       clause->AddAttributeValueString("brush_colour", brushColour);
1548
1549     if (m_brush->GetStyle() != wxSOLID)
1550       clause->AddAttributeValue("brush_style", (long)m_brush->GetStyle());
1551   }
1552
1553   // Output line ids
1554
1555   int n_lines = m_lines.Number();
1556   if (n_lines > 0)
1557   {
1558     wxExpr *list = new wxExpr(PrologList);
1559     wxNode *node = m_lines.First();
1560     while (node)
1561     {
1562       wxShape *line = (wxShape *)node->Data();
1563       wxExpr *id_expr = new wxExpr(line->GetId());
1564       list->Append(id_expr);
1565       node = node->Next();
1566     }
1567     clause->AddAttributeValue("arcs", list);
1568   }
1569
1570   // Miscellaneous members
1571   if (m_attachmentMode != 0)
1572     clause->AddAttributeValue("use_attachments", (long)m_attachmentMode);
1573   if (m_sensitivity != OP_ALL)
1574     clause->AddAttributeValue("sensitivity", (long)m_sensitivity);
1575   if (!m_spaceAttachments)
1576     clause->AddAttributeValue("space_attachments", (long)m_spaceAttachments);
1577   if (m_fixedWidth)
1578     clause->AddAttributeValue("fixed_width", (long)m_fixedWidth);
1579   if (m_fixedHeight)
1580     clause->AddAttributeValue("fixed_height", (long)m_fixedHeight);
1581   if (m_shadowMode != SHADOW_NONE)
1582     clause->AddAttributeValue("shadow_mode", (long)m_shadowMode);
1583   if (m_centreResize != TRUE)
1584     clause->AddAttributeValue("centre_resize", (long)0);
1585   if (m_highlighted != FALSE)
1586     clause->AddAttributeValue("hilite", (long)m_highlighted);
1587
1588   if (m_parent) // For composite objects
1589     clause->AddAttributeValue("parent", (long)m_parent->GetId());
1590
1591   if (m_rotation != 0.0)
1592     clause->AddAttributeValue("rotation", m_rotation);
1593
1594   // Write user-defined attachment points, if any
1595   if (m_attachmentPoints.Number() > 0)
1596   {
1597     wxExpr *attachmentList = new wxExpr(PrologList);
1598     wxNode *node = m_attachmentPoints.First();
1599     while (node)
1600     {
1601       wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
1602       wxExpr *pointExpr = new wxExpr(PrologList);
1603       pointExpr->Append(new wxExpr((long)point->m_id));
1604       pointExpr->Append(new wxExpr(point->m_x));
1605       pointExpr->Append(new wxExpr(point->m_y));
1606       attachmentList->Append(pointExpr);
1607       node = node->Next();
1608     }
1609     clause->AddAttributeValue("user_attachments", attachmentList);
1610   }
1611
1612   // Write text regions
1613   WriteRegions(clause);
1614 }
1615
1616 void wxShape::WriteRegions(wxExpr *clause)
1617 {
1618   // Output regions as region1 = (...), region2 = (...), etc
1619   // and formatted text as text1 = (...), text2 = (...) etc.
1620   int regionNo = 1;
1621   char regionNameBuf[20];
1622   char textNameBuf[20];
1623   wxNode *node = m_regions.First();
1624   while (node)
1625   {
1626     wxShapeRegion *region = (wxShapeRegion *)node->Data();
1627     sprintf(regionNameBuf, "region%d", regionNo);
1628     sprintf(textNameBuf, "text%d", regionNo);
1629
1630     // Original text and region attributes:
1631     // region1 = (regionName regionText x y width height minWidth minHeight proportionX proportionY
1632     //            formatMode fontSize fontFamily fontStyle fontWeight textColour)
1633     wxExpr *regionExpr = new wxExpr(PrologList);
1634     regionExpr->Append(new wxExpr(PrologString, (region->m_regionName ? region->m_regionName : "")));
1635     regionExpr->Append(new wxExpr(PrologString, (region->m_regionText ? region->m_regionText : "")));
1636
1637     regionExpr->Append(new wxExpr(region->m_x));
1638     regionExpr->Append(new wxExpr(region->m_y));
1639     regionExpr->Append(new wxExpr(region->GetWidth()));
1640     regionExpr->Append(new wxExpr(region->GetHeight()));
1641
1642     regionExpr->Append(new wxExpr(region->m_minWidth));
1643     regionExpr->Append(new wxExpr(region->m_minHeight));
1644     regionExpr->Append(new wxExpr(region->m_regionProportionX));
1645     regionExpr->Append(new wxExpr(region->m_regionProportionY));
1646
1647     regionExpr->Append(new wxExpr((long)region->m_formatMode));
1648
1649     regionExpr->Append(new wxExpr((long)(region->m_font ? region->m_font->GetPointSize() : 10)));
1650     regionExpr->Append(new wxExpr((long)(region->m_font ? region->m_font->GetFamily() : wxDEFAULT)));
1651     regionExpr->Append(new wxExpr((long)(region->m_font ? region->m_font->GetStyle() : wxDEFAULT)));
1652     regionExpr->Append(new wxExpr((long)(region->m_font ? region->m_font->GetWeight() : wxNORMAL)));
1653     regionExpr->Append(new wxExpr(PrologString, region->m_textColour ? region->m_textColour : "BLACK"));
1654
1655     // New members for pen colour/style
1656     regionExpr->Append(new wxExpr(PrologString, region->m_penColour ? region->m_penColour : "BLACK"));
1657     regionExpr->Append(new wxExpr((long)region->m_penStyle));
1658
1659     // Formatted text:
1660     // text1 = ((x y string) (x y string) ...)
1661     wxExpr *textExpr = new wxExpr(PrologList);
1662
1663     wxNode *textNode = region->m_formattedText.First();
1664     while (textNode)
1665     {
1666       wxShapeTextLine *line = (wxShapeTextLine *)textNode->Data();
1667       wxExpr *list2 = new wxExpr(PrologList);
1668       list2->Append(new wxExpr(line->GetX()));
1669       list2->Append(new wxExpr(line->GetY()));
1670       list2->Append(new wxExpr(PrologString, line->GetText()));
1671       textExpr->Append(list2);
1672       textNode = textNode->Next();
1673     }
1674
1675     // Now add both attributes to the clause
1676     clause->AddAttributeValue(regionNameBuf, regionExpr);
1677     clause->AddAttributeValue(textNameBuf, textExpr);
1678
1679     node = node->Next();
1680     regionNo ++;
1681   }
1682 }
1683
1684 void wxShape::ReadPrologAttributes(wxExpr *clause)
1685 {
1686   clause->GetAttributeValue("id", m_id);
1687   RegisterId(m_id);
1688
1689   clause->GetAttributeValue("x", m_xpos);
1690   clause->GetAttributeValue("y", m_ypos);
1691
1692   // Input text strings (FOR COMPATIBILITY WITH OLD FILES ONLY. SEE REGION CODE BELOW.)
1693   ClearText();
1694   wxExpr *strings = clause->AttributeValue("text");
1695   if (strings && strings->Type() == PrologList)
1696   {
1697     m_formatted = TRUE;  // Assume text is formatted unless we prove otherwise
1698     wxExpr *node = strings->value.first;
1699     while (node)
1700     {
1701       wxExpr *string_expr = node;
1702       float the_x = 0.0;
1703       float the_y = 0.0;
1704       wxString the_string("");
1705
1706       // string_expr can either be a string, or a list of
1707       // 3 elements: x, y, and string.
1708       if (string_expr->Type() == PrologString)
1709       {
1710         the_string = string_expr->StringValue();
1711         m_formatted = FALSE;
1712       }
1713       else if (string_expr->Type() == PrologList)
1714       {
1715         wxExpr *first = string_expr->value.first;
1716         wxExpr *second = first ? first->next : NULL;
1717         wxExpr *third = second ? second->next : NULL;
1718
1719         if (first && second && third &&
1720             (first->Type() == PrologReal || first->Type() == PrologInteger) &&
1721             (second->Type() == PrologReal || second->Type() == PrologInteger) &&
1722             third->Type() == PrologString)
1723           {
1724             if (first->Type() == PrologReal)
1725               the_x = first->RealValue();
1726             else the_x = (float)first->IntegerValue();
1727
1728             if (second->Type() == PrologReal)
1729               the_y = second->RealValue();
1730             else the_y = (float)second->IntegerValue();
1731
1732             the_string = third->StringValue();
1733           }
1734       }
1735       wxShapeTextLine *line =
1736             new wxShapeTextLine(the_x, the_y, (char*) (const char*) the_string);
1737       m_text.Append(line);
1738
1739       node = node->next;
1740     }
1741   }
1742
1743   wxString pen_string = "";
1744   wxString brush_string = "";
1745   int pen_width = 1;
1746   int pen_style = wxSOLID;
1747   int brush_style = wxSOLID;
1748   m_attachmentMode = FALSE;
1749
1750   clause->GetAttributeValue("pen_colour", pen_string);
1751   clause->GetAttributeValue("text_colour", m_textColourName);
1752
1753   SetTextColour(m_textColourName);
1754
1755   clause->GetAttributeValue("region_name", m_regionName);
1756
1757   clause->GetAttributeValue("brush_colour", brush_string);
1758   clause->GetAttributeValue("pen_width", pen_width);
1759   clause->GetAttributeValue("pen_style", pen_style);
1760   clause->GetAttributeValue("brush_style", brush_style);
1761
1762   int iVal = (int) m_attachmentMode;
1763   clause->GetAttributeValue("use_attachments", iVal);
1764   m_attachmentMode = (iVal != 0);
1765
1766   clause->GetAttributeValue("sensitivity", m_sensitivity);
1767
1768   iVal = (int) m_spaceAttachments;
1769   clause->GetAttributeValue("space_attachments", iVal);
1770   m_spaceAttachments = (iVal != 0);
1771
1772   iVal = (int) m_fixedWidth;
1773   clause->GetAttributeValue("fixed_width", iVal);
1774   m_fixedWidth = (iVal != 0);
1775
1776   iVal = (int) m_fixedHeight;
1777   clause->GetAttributeValue("fixed_height", iVal);
1778   m_fixedHeight = (iVal != 0);
1779
1780   clause->GetAttributeValue("format_mode", m_formatMode);
1781   clause->GetAttributeValue("shadow_mode", m_shadowMode);
1782
1783   iVal = (int) m_centreResize;
1784   clause->GetAttributeValue("centre_resize", iVal);
1785   m_centreResize = (iVal != 0);
1786
1787   iVal = (int) m_highlighted;
1788   clause->GetAttributeValue("hilite", iVal);
1789   m_highlighted = (iVal != 0);
1790
1791   clause->GetAttributeValue("rotation", m_rotation);
1792
1793   if (pen_string == "")
1794     pen_string = "BLACK";
1795   if (brush_string == "")
1796     brush_string = "WHITE";
1797
1798   m_pen = wxThePenList->FindOrCreatePen(pen_string, pen_width, pen_style);
1799   if (!m_pen)
1800     m_pen = wxBLACK_PEN;
1801
1802   m_brush = wxTheBrushList->FindOrCreateBrush(brush_string, brush_style);
1803   if (!m_brush)
1804     m_brush = wxWHITE_BRUSH;
1805
1806   int point_size = 10;
1807   clause->GetAttributeValue("point_size", point_size);
1808   SetFont(MatchFont(point_size));
1809
1810   // Read user-defined attachment points, if any
1811   wxExpr *attachmentList = clause->AttributeValue("user_attachments");
1812   if (attachmentList)
1813   {
1814     wxExpr *pointExpr = attachmentList->GetFirst();
1815     while (pointExpr)
1816     {
1817       wxExpr *idExpr = pointExpr->Nth(0);
1818       wxExpr *xExpr = pointExpr->Nth(1);
1819       wxExpr *yExpr = pointExpr->Nth(2);
1820       if (idExpr && xExpr && yExpr)
1821       {
1822         wxAttachmentPoint *point = new wxAttachmentPoint;
1823         point->m_id = (int)idExpr->IntegerValue();
1824         point->m_x = xExpr->RealValue();
1825         point->m_y = yExpr->RealValue();
1826         m_attachmentPoints.Append((wxObject *)point);
1827       }
1828       pointExpr = pointExpr->GetNext();
1829     }
1830   }
1831
1832   // Read text regions
1833   ReadRegions(clause);
1834 }
1835
1836 void wxShape::ReadRegions(wxExpr *clause)
1837 {
1838   ClearRegions();
1839
1840   // region1 = (regionName regionText x y width height minWidth minHeight proportionX proportionY
1841   //            formatMode fontSize fontFamily fontStyle fontWeight textColour)
1842   int regionNo = 1;
1843   char regionNameBuf[20];
1844   char textNameBuf[20];
1845
1846   wxExpr *regionExpr = NULL;
1847   wxExpr *textExpr = NULL;
1848   sprintf(regionNameBuf, "region%d", regionNo);
1849   sprintf(textNameBuf, "text%d", regionNo);
1850
1851   m_formatted = TRUE;  // Assume text is formatted unless we prove otherwise
1852
1853   while (regionExpr = clause->AttributeValue(regionNameBuf))
1854   {
1855     /*
1856      * Get the region information
1857      *
1858      */
1859
1860     wxString regionName("");
1861     wxString regionText("");
1862     float x = 0.0;
1863     float y = 0.0;
1864     float width = 0.0;
1865     float height = 0.0;
1866     float minWidth = 5.0;
1867     float minHeight = 5.0;
1868     float m_regionProportionX = -1.0;
1869     float m_regionProportionY = -1.0;
1870     int formatMode = FORMAT_NONE;
1871     int fontSize = 10;
1872     int fontFamily = wxSWISS;
1873     int fontStyle = wxNORMAL;
1874     int fontWeight = wxNORMAL;
1875     wxString regionTextColour("");
1876     wxString penColour("");
1877     int penStyle = wxSOLID;
1878
1879     if (regionExpr->Type() == PrologList)
1880     {
1881       wxExpr *nameExpr = regionExpr->Nth(0);
1882       wxExpr *textExpr = regionExpr->Nth(1);
1883       wxExpr *xExpr = regionExpr->Nth(2);
1884       wxExpr *yExpr = regionExpr->Nth(3);
1885       wxExpr *widthExpr = regionExpr->Nth(4);
1886       wxExpr *heightExpr = regionExpr->Nth(5);
1887       wxExpr *minWidthExpr = regionExpr->Nth(6);
1888       wxExpr *minHeightExpr = regionExpr->Nth(7);
1889       wxExpr *propXExpr = regionExpr->Nth(8);
1890       wxExpr *propYExpr = regionExpr->Nth(9);
1891       wxExpr *formatExpr = regionExpr->Nth(10);
1892       wxExpr *sizeExpr = regionExpr->Nth(11);
1893       wxExpr *familyExpr = regionExpr->Nth(12);
1894       wxExpr *styleExpr = regionExpr->Nth(13);
1895       wxExpr *weightExpr = regionExpr->Nth(14);
1896       wxExpr *colourExpr = regionExpr->Nth(15);
1897       wxExpr *penColourExpr = regionExpr->Nth(16);
1898       wxExpr *penStyleExpr = regionExpr->Nth(17);
1899
1900       regionName = nameExpr->StringValue();
1901       regionText = textExpr->StringValue();
1902
1903       x = xExpr->RealValue();
1904       y = yExpr->RealValue();
1905
1906       width = widthExpr->RealValue();
1907       height = heightExpr->RealValue();
1908
1909       minWidth = minWidthExpr->RealValue();
1910       minHeight = minHeightExpr->RealValue();
1911
1912       m_regionProportionX = propXExpr->RealValue();
1913       m_regionProportionY = propYExpr->RealValue();
1914
1915       formatMode = (int) formatExpr->IntegerValue();
1916       fontSize = (int)sizeExpr->IntegerValue();
1917       fontFamily = (int)familyExpr->IntegerValue();
1918       fontStyle = (int)styleExpr->IntegerValue();
1919       fontWeight = (int)weightExpr->IntegerValue();
1920
1921       if (colourExpr)
1922       {
1923         regionTextColour = colourExpr->StringValue();
1924       }
1925       else
1926         regionTextColour = "BLACK";
1927
1928       if (penColourExpr)
1929         penColour = penColourExpr->StringValue();
1930       if (penStyleExpr)
1931         penStyle = (int)penStyleExpr->IntegerValue();
1932     }
1933     wxFont *font = wxTheFontList->FindOrCreateFont(fontSize, fontFamily, fontStyle, fontWeight);
1934
1935     wxShapeRegion *region = new wxShapeRegion;
1936     region->SetProportions(m_regionProportionX, m_regionProportionY);
1937     region->SetFont(font);
1938     region->SetSize(width, height);
1939     region->SetPosition(x, y);
1940     region->SetMinSize(minWidth, minHeight);
1941     region->SetFormatMode(formatMode);
1942     region->SetPenStyle(penStyle);
1943     if (penColour != "")
1944       region->SetPenColour(penColour);
1945
1946     region->m_textColour = regionTextColour;
1947     region->m_regionText = regionText;
1948     region->m_regionName = regionName;
1949
1950     m_regions.Append(region);
1951
1952     /*
1953      * Get the formatted text strings
1954      *
1955      */
1956     textExpr = clause->AttributeValue(textNameBuf);
1957     if (textExpr && (textExpr->Type() == PrologList))
1958     {
1959       wxExpr *node = textExpr->value.first;
1960       while (node)
1961       {
1962         wxExpr *string_expr = node;
1963         float the_x = 0.0;
1964         float the_y = 0.0;
1965         wxString the_string("");
1966
1967         // string_expr can either be a string, or a list of
1968         // 3 elements: x, y, and string.
1969         if (string_expr->Type() == PrologString)
1970         {
1971           the_string = string_expr->StringValue();
1972           m_formatted = FALSE;
1973         }
1974         else if (string_expr->Type() == PrologList)
1975         {
1976           wxExpr *first = string_expr->value.first;
1977           wxExpr *second = first ? first->next : NULL;
1978           wxExpr *third = second ? second->next : NULL;
1979
1980           if (first && second && third &&
1981               (first->Type() == PrologReal || first->Type() == PrologInteger) &&
1982               (second->Type() == PrologReal || second->Type() == PrologInteger) &&
1983               third->Type() == PrologString)
1984           {
1985             if (first->Type() == PrologReal)
1986               the_x = first->RealValue();
1987             else the_x = (float)first->IntegerValue();
1988
1989             if (second->Type() == PrologReal)
1990               the_y = second->RealValue();
1991             else the_y = (float)second->IntegerValue();
1992
1993             the_string = third->StringValue();
1994           }
1995         }
1996         if (the_string)
1997         {
1998           wxShapeTextLine *line =
1999               new wxShapeTextLine(the_x, the_y, (char*) (const char*) the_string);
2000           region->m_formattedText.Append(line);
2001         }
2002         node = node->next;
2003       }
2004     }
2005
2006     regionNo ++;
2007     sprintf(regionNameBuf, "region%d", regionNo);
2008     sprintf(textNameBuf, "text%d", regionNo);
2009   }
2010
2011   // Compatibility: check for no regions (old file).
2012   // Lines and divided rectangles must deal with this compatibility
2013   // theirselves. Composites _may_ not have any regions anyway.
2014   if ((m_regions.Number() == 0) &&
2015       !this->IsKindOf(CLASSINFO(wxLineShape)) && !this->IsKindOf(CLASSINFO(wxDividedShape)) &&
2016       !this->IsKindOf(CLASSINFO(wxCompositeShape)))
2017   {
2018     wxShapeRegion *newRegion = new wxShapeRegion;
2019     newRegion->SetName("0");
2020     m_regions.Append((wxObject *)newRegion);
2021     if (m_text.Number() > 0)
2022     {
2023       newRegion->ClearText();
2024       wxNode *node = m_text.First();
2025       while (node)
2026       {
2027         wxShapeTextLine *textLine = (wxShapeTextLine *)node->Data();
2028         wxNode *next = node->Next();
2029         newRegion->GetFormattedText().Append((wxObject *)textLine);
2030         delete node;
2031         node = next;
2032       }
2033     }
2034   }
2035 }
2036
2037 #endif
2038
2039 void wxShape::Copy(wxShape& copy)
2040 {
2041   copy.m_id = m_id;
2042   copy.m_xpos = m_xpos;
2043   copy.m_ypos = m_ypos;
2044   copy.m_pen = m_pen;
2045   copy.m_brush = m_brush;
2046   copy.m_textColour = m_textColour;
2047   copy.m_centreResize = m_centreResize;
2048   copy.m_attachmentMode = m_attachmentMode;
2049   copy.m_spaceAttachments = m_spaceAttachments;
2050   copy.m_highlighted = m_highlighted;
2051   copy.m_rotation = m_rotation;
2052   copy.m_textColourName = m_textColourName;
2053   copy.m_regionName = m_regionName;
2054
2055   copy.m_sensitivity = m_sensitivity;
2056   copy.m_draggable = m_draggable;
2057   copy.m_fixedWidth = m_fixedWidth;
2058   copy.m_fixedHeight = m_fixedHeight;
2059   copy.m_formatMode = m_formatMode;
2060   copy.m_drawHandles = m_drawHandles;
2061
2062   copy.m_visible = m_visible;
2063   copy.m_shadowMode = m_shadowMode;
2064   copy.m_shadowOffsetX = m_shadowOffsetX;
2065   copy.m_shadowOffsetY = m_shadowOffsetY;
2066   copy.m_shadowBrush = m_shadowBrush;
2067
2068   // Copy text regions
2069   copy.ClearRegions();
2070   wxNode *node = m_regions.First();
2071   while (node)
2072   {
2073     wxShapeRegion *region = (wxShapeRegion *)node->Data();
2074     wxShapeRegion *newRegion = new wxShapeRegion(*region);
2075     copy.m_regions.Append(newRegion);
2076     node = node->Next();
2077   }
2078
2079   // Copy attachments
2080   copy.ClearAttachments();
2081   node = m_attachmentPoints.First();
2082   while (node)
2083   {
2084     wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
2085     wxAttachmentPoint *newPoint = new wxAttachmentPoint;
2086     newPoint->m_id = point->m_id;
2087     newPoint->m_x = point->m_x;
2088     newPoint->m_y = point->m_y;
2089     copy.m_attachmentPoints.Append((wxObject *)newPoint);
2090     node = node->Next();
2091   }
2092 }
2093
2094 // Create and return a new, fully copied object.
2095 wxShape *wxShape::CreateNewCopy(bool resetMapping, bool recompute)
2096 {
2097   if (resetMapping)
2098     wxObjectCopyMapping.Clear();
2099
2100   wxShape* newObject = (wxShape*) GetClassInfo()->CreateObject();
2101
2102   wxASSERT( (newObject != NULL) );
2103   wxASSERT( (newObject->IsKindOf(CLASSINFO(wxShape))) );
2104
2105   Copy(*newObject);
2106
2107   if (GetEventHandler() != this)
2108   {
2109     wxShapeEvtHandler* newHandler = GetEventHandler()->CreateNewCopy();
2110     newObject->SetEventHandler(newHandler);
2111     newObject->SetPreviousHandler(NULL);
2112     newHandler->SetPreviousHandler(newObject);
2113     newHandler->SetShape(newObject);
2114   }
2115
2116   if (recompute)
2117     newObject->Recompute();
2118   return newObject;
2119 }
2120
2121 // Does the copying for this object, including copying event
2122 // handler data if any. Calls the virtual Copy function.
2123 void wxShape::CopyWithHandler(wxShape& copy)
2124 {
2125     Copy(copy);
2126
2127     if (GetEventHandler() != this)
2128     {
2129         wxASSERT( copy.GetEventHandler() != NULL );
2130         wxASSERT( copy.GetEventHandler() != (&copy) );
2131         wxASSERT( GetEventHandler()->GetClassInfo() == copy.GetEventHandler()->GetClassInfo() );
2132         GetEventHandler()->CopyData(* (copy.GetEventHandler()));
2133     }
2134 }
2135
2136
2137 // Default - make 6 control points
2138 void wxShape::MakeControlPoints()
2139 {
2140   float maxX, maxY, minX, minY;
2141
2142   GetBoundingBoxMax(&maxX, &maxY);
2143   GetBoundingBoxMin(&minX, &minY);
2144
2145   float widthMin = (float)(minX + CONTROL_POINT_SIZE + 2);
2146   float heightMin = (float)(minY + CONTROL_POINT_SIZE + 2);
2147
2148   // Offsets from main object
2149   float top = (float)(- (heightMin / 2.0));
2150   float bottom = (float)(heightMin / 2.0 + (maxY - minY));
2151   float left = (float)(- (widthMin / 2.0));
2152   float right = (float)(widthMin / 2.0 + (maxX - minX));
2153
2154   wxControlPoint *control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, left, top,
2155                                            CONTROL_POINT_DIAGONAL);
2156   m_canvas->AddShape(control);
2157   m_controlPoints.Append(control);
2158
2159   control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, 0, top,
2160                                            CONTROL_POINT_VERTICAL);
2161   m_canvas->AddShape(control);
2162   m_controlPoints.Append(control);
2163
2164   control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, right, top,
2165                                            CONTROL_POINT_DIAGONAL);
2166   m_canvas->AddShape(control);
2167   m_controlPoints.Append(control);
2168
2169   control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, right, 0,
2170                                            CONTROL_POINT_HORIZONTAL);
2171   m_canvas->AddShape(control);
2172   m_controlPoints.Append(control);
2173
2174   control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, right, bottom,
2175                                            CONTROL_POINT_DIAGONAL);
2176   m_canvas->AddShape(control);
2177   m_controlPoints.Append(control);
2178
2179   control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, 0, bottom,
2180                                            CONTROL_POINT_VERTICAL);
2181   m_canvas->AddShape(control);
2182   m_controlPoints.Append(control);
2183
2184   control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, left, bottom,
2185                                            CONTROL_POINT_DIAGONAL);
2186   m_canvas->AddShape(control);
2187   m_controlPoints.Append(control);
2188
2189   control = new wxControlPoint(m_canvas, this, CONTROL_POINT_SIZE, left, 0,
2190                                            CONTROL_POINT_HORIZONTAL);
2191   m_canvas->AddShape(control);
2192   m_controlPoints.Append(control);
2193
2194 }
2195
2196 void wxShape::MakeMandatoryControlPoints()
2197 {
2198   wxNode *node = m_children.First();
2199   while (node)
2200   {
2201     wxShape *child = (wxShape *)node->Data();
2202     child->MakeMandatoryControlPoints();
2203     node = node->Next();
2204   }
2205 }
2206
2207 void wxShape::ResetMandatoryControlPoints()
2208 {
2209   wxNode *node = m_children.First();
2210   while (node)
2211   {
2212     wxShape *child = (wxShape *)node->Data();
2213     child->ResetMandatoryControlPoints();
2214     node = node->Next();
2215   }
2216 }
2217
2218 void wxShape::ResetControlPoints()
2219 {
2220   ResetMandatoryControlPoints();
2221
2222   if (m_controlPoints.Number() < 1)
2223     return;
2224
2225   float maxX, maxY, minX, minY;
2226
2227   GetBoundingBoxMax(&maxX, &maxY);
2228   GetBoundingBoxMin(&minX, &minY);
2229
2230   float widthMin = (float)(minX + CONTROL_POINT_SIZE + 2);
2231   float heightMin = (float)(minY + CONTROL_POINT_SIZE + 2);
2232
2233   // Offsets from main object
2234   float top = (float)(- (heightMin / 2.0));
2235   float bottom = (float)(heightMin / 2.0 + (maxY - minY));
2236   float left = (float)(- (widthMin / 2.0));
2237   float right = (float)(widthMin / 2.0 + (maxX - minX));
2238
2239   wxNode *node = m_controlPoints.First();
2240   wxControlPoint *control = (wxControlPoint *)node->Data();
2241   control->m_xoffset = left; control->m_yoffset = top;
2242
2243   node = node->Next(); control = (wxControlPoint *)node->Data();
2244   control->m_xoffset = 0; control->m_yoffset = top;
2245
2246   node = node->Next(); control = (wxControlPoint *)node->Data();
2247   control->m_xoffset = right; control->m_yoffset = top;
2248
2249   node = node->Next(); control = (wxControlPoint *)node->Data();
2250   control->m_xoffset = right; control->m_yoffset = 0;
2251
2252   node = node->Next(); control = (wxControlPoint *)node->Data();
2253   control->m_xoffset = right; control->m_yoffset = bottom;
2254
2255   node = node->Next(); control = (wxControlPoint *)node->Data();
2256   control->m_xoffset = 0; control->m_yoffset = bottom;
2257
2258   node = node->Next(); control = (wxControlPoint *)node->Data();
2259   control->m_xoffset = left; control->m_yoffset = bottom;
2260
2261   node = node->Next(); control = (wxControlPoint *)node->Data();
2262   control->m_xoffset = left; control->m_yoffset = 0;
2263 }
2264
2265 void wxShape::DeleteControlPoints(wxDC *dc)
2266 {
2267   wxNode *node = m_controlPoints.First();
2268   while (node)
2269   {
2270     wxControlPoint *control = (wxControlPoint *)node->Data();
2271     if (dc)
2272         control->GetEventHandler()->OnErase(*dc);
2273     m_canvas->RemoveShape(control);
2274     delete control;
2275     delete node;
2276     node = m_controlPoints.First();
2277   }
2278   // Children of divisions are contained objects,
2279   // so stop here
2280   if (!IsKindOf(CLASSINFO(wxDivisionShape)))
2281   {
2282     node = m_children.First();
2283     while (node)
2284     {
2285       wxShape *child = (wxShape *)node->Data();
2286       child->DeleteControlPoints(dc);
2287       node = node->Next();
2288     }
2289   }
2290 }
2291
2292 void wxShape::OnDrawControlPoints(wxDC& dc)
2293 {
2294   if (!m_drawHandles)
2295     return;
2296
2297   dc.SetBrush(wxBLACK_BRUSH);
2298   dc.SetPen(wxBLACK_PEN);
2299
2300   wxNode *node = m_controlPoints.First();
2301   while (node)
2302   {
2303     wxControlPoint *control = (wxControlPoint *)node->Data();
2304     control->Draw(dc);
2305     node = node->Next();
2306   }
2307   // Children of divisions are contained objects,
2308   // so stop here.
2309   // This test bypasses the type facility for speed
2310   // (critical when drawing)
2311   if (!IsKindOf(CLASSINFO(wxDivisionShape)))
2312   {
2313     node = m_children.First();
2314     while (node)
2315     {
2316       wxShape *child = (wxShape *)node->Data();
2317       child->GetEventHandler()->OnDrawControlPoints(dc);
2318       node = node->Next();
2319     }
2320   }
2321 }
2322
2323 void wxShape::OnEraseControlPoints(wxDC& dc)
2324 {
2325   wxNode *node = m_controlPoints.First();
2326   while (node)
2327   {
2328     wxControlPoint *control = (wxControlPoint *)node->Data();
2329     control->Erase(dc);
2330     node = node->Next();
2331   }
2332   if (!IsKindOf(CLASSINFO(wxDivisionShape)))
2333   {
2334     node = m_children.First();
2335     while (node)
2336     {
2337       wxShape *child = (wxShape *)node->Data();
2338       child->GetEventHandler()->OnEraseControlPoints(dc);
2339       node = node->Next();
2340     }
2341   }
2342 }
2343
2344 void wxShape::Select(bool select, wxDC* dc)
2345 {
2346   m_selected = select;
2347   if (select)
2348   {
2349     MakeControlPoints();
2350     // Children of divisions are contained objects,
2351     // so stop here
2352     if (!IsKindOf(CLASSINFO(wxDivisionShape)))
2353     {
2354       wxNode *node = m_children.First();
2355       while (node)
2356       {
2357         wxShape *child = (wxShape *)node->Data();
2358         child->MakeMandatoryControlPoints();
2359         node = node->Next();
2360       }
2361     }
2362     if (dc)
2363         GetEventHandler()->OnDrawControlPoints(*dc);
2364   }
2365   if (!select)
2366   {
2367     DeleteControlPoints(dc);
2368     if (!IsKindOf(CLASSINFO(wxDivisionShape)))
2369     {
2370       wxNode *node = m_children.First();
2371       while (node)
2372       {
2373         wxShape *child = (wxShape *)node->Data();
2374         child->DeleteControlPoints(dc);
2375         node = node->Next();
2376       }
2377     }
2378   }
2379 }
2380
2381 bool wxShape::Selected() const
2382 {
2383   return m_selected;
2384 }
2385
2386 bool wxShape::AncestorSelected() const
2387 {
2388   if (m_selected) return TRUE;
2389   if (!GetParent())
2390     return FALSE;
2391   else
2392     return GetParent()->AncestorSelected();
2393 }
2394
2395 int wxShape::GetNumberOfAttachments()
2396 {
2397   // Should return the MAXIMUM attachment point id here,
2398   // so higher-level functions can iterate through all attachments,
2399   // even if they're not contiguous.
2400   if (m_attachmentPoints.Number() == 0)
2401     return 4;
2402   else
2403   {
2404     int maxN = 3;
2405     wxNode *node = m_attachmentPoints.First();
2406     while (node)
2407     {
2408       wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
2409       if (point->m_id > maxN)
2410         maxN = point->m_id;
2411       node = node->Next();
2412     }
2413     return maxN+1;;
2414   }
2415 }
2416
2417 bool wxShape::AttachmentIsValid(int attachment)
2418 {
2419   if ((attachment >= 0) && (attachment < 4))
2420     return TRUE;
2421
2422   wxNode *node = m_attachmentPoints.First();
2423   while (node)
2424   {
2425     wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
2426     if (point->m_id == attachment)
2427       return TRUE;
2428     node = node->Next();
2429   }
2430   return FALSE;
2431 }
2432
2433 bool wxShape::GetAttachmentPosition(int attachment, float *x, float *y,
2434                                          int nth, int no_arcs, wxLineShape *line)
2435 {
2436   if (!m_attachmentMode)
2437   {
2438     *x = m_xpos; *y = m_ypos;
2439     return TRUE;
2440   }
2441   else
2442   {
2443     wxNode *node = m_attachmentPoints.First();
2444     while (node)
2445     {
2446       wxAttachmentPoint *point = (wxAttachmentPoint *)node->Data();
2447       if (point->m_id == attachment)
2448       {
2449         *x = (float)(m_xpos + point->m_x);
2450         *y = (float)(m_ypos + point->m_y);
2451         return TRUE;
2452       }
2453       node = node->Next();
2454     }
2455     *x = m_xpos; *y = m_ypos;
2456     return FALSE;
2457   }
2458 }
2459
2460 void wxShape::GetBoundingBoxMax(float *w, float *h)
2461 {
2462   float ww, hh;
2463   GetBoundingBoxMin(&ww, &hh);
2464   if (m_shadowMode != SHADOW_NONE)
2465   {
2466     ww += m_shadowOffsetX;
2467     hh += m_shadowOffsetY;
2468   }
2469   *w = ww;
2470   *h = hh;
2471 }
2472
2473 // Returns TRUE if image is a descendant of this composite
2474 bool wxShape::HasDescendant(wxShape *image)
2475 {
2476   if (image == this)
2477     return TRUE;
2478   wxNode *node = m_children.First();
2479   while (node)
2480   {
2481     wxShape *child = (wxShape *)node->Data();
2482     bool ans = child->HasDescendant(image);
2483     if (ans)
2484       return TRUE;
2485     node = node->Next();
2486   }
2487   return FALSE;
2488 }
2489
2490 // Clears points from a list of wxRealPoints, and clears list
2491 void wxShape::ClearPointList(wxList& list)
2492 {
2493     wxNode* node = list.First();
2494     while (node)
2495     {
2496         wxRealPoint* pt = (wxRealPoint*) node->Data();
2497         delete pt;
2498
2499         node = node->Next();
2500     }
2501     list.Clear();
2502 }
2503