contrib/samples/ogl/studio/shapes.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        shapes.cpp
   3 // Purpose:     Implements Studio shapes
   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
  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 #if !wxUSE_DOC_VIEW_ARCHITECTURE
  28 #error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
  29 #endif
  30
  31 #include <wx/wxexpr.h>
  32
  33 #include "studio.h"
  34 #include "doc.h"
  35 #include "shapes.h"
  36 #include "view.h"
  37 #include <wx/ogl/basicp.h>
  38 #include <wx/ogl/linesp.h>
  39 #include "cspalette.h"
  40 #include "dialogs.h"
  41
  42 #define csSTANDARD_SHAPE_WIDTH      100
  43
  44 IMPLEMENT_CLASS(csDiagram, wxDiagram)
  45
  46 csDiagram::~csDiagram()
  47 {
  48     DeleteAllShapes();
  49 }
  50
  51 void csDiagram::Redraw(wxDC& dc)
  52 {
  53     wxDiagram::Redraw(dc);
  54
  55     // Draw line crossings
  56     wxLineCrossings lineCrossings;
  57     lineCrossings.FindCrossings(*this);
  58     lineCrossings.DrawCrossings(*this, dc);
  59 }
  60
  61 /*
  62  * csEvtHandler: an event handler class for all shapes
  63  */
  64
  65 IMPLEMENT_DYNAMIC_CLASS(csEvtHandler, wxShapeEvtHandler)
  66
  67 csEvtHandler::csEvtHandler(wxShapeEvtHandler *prev, wxShape *shape, const wxString& lab):
  68   wxShapeEvtHandler(prev, shape)
  69 {
  70     m_label = lab;
  71 }
  72
  73 csEvtHandler::~csEvtHandler()
  74 {
  75 }
  76
  77 // Copy any event handler data
  78 void csEvtHandler::CopyData(wxShapeEvtHandler& copy)
  79 {
  80     wxShapeEvtHandler::CopyData(copy);
  81
  82     csEvtHandler& csCopy = (csEvtHandler&) copy;
  83     csCopy.m_label = m_label;
  84 }
  85
  86 void csEvtHandler::OnLeftClick(double x, double y, int keys, int attachment)
  87 {
  88   wxClientDC dc(GetShape()->GetCanvas());
  89   GetShape()->GetCanvas()->PrepareDC(dc);
  90
  91   csDiagramView* view = ((csCanvas*)GetShape()->GetCanvas())->GetView();
  92   view->ReflectPointSize(GetShape()->GetFont()->GetPointSize());
  93
  94   if (GetShape()->IsKindOf(CLASSINFO(wxLineShape)))
  95       view->ReflectArrowState((wxLineShape*) GetShape());
  96
  97   csEditorToolPalette *palette = wxGetApp().GetDiagramPalette();
  98   if (palette->GetSelection() == PALETTE_TEXT_TOOL)
  99   {
 100         view->ReflectPointSize(GetShape()->GetFont()->GetPointSize());
 101
 102         EditProperties();
 103 #if 0
 104         csLabelEditingDialog* dialog = new csLabelEditingDialog(GetShape()->GetCanvas()->GetParent());
 105         dialog->SetShapeLabel(m_label);
 106         if (dialog->ShowModal() == wxID_CANCEL)
 107         {
 108             dialog->Destroy();
 109             return;
 110         }
 111
 112         wxString newLabel = dialog->GetShapeLabel();
 113         dialog->Destroy();
 114
 115         wxShape* newShape = GetShape()->CreateNewCopy();
 116
 117         csEvtHandler* handler = (csEvtHandler *)newShape->GetEventHandler();
 118         handler->m_label = newLabel;
 119
 120         view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit label", (csDiagramDocument*) view->GetDocument(),
 121             new csCommandState(ID_CS_EDIT_PROPERTIES, newShape, GetShape())));
 122 #endif
 123         return;
 124   }
 125
 126   if (keys == 0)
 127   {
 128     // If no shift key, then everything is deselected.
 129     // If the shape was selected, deselect it and vice versa.
 130     bool selected = GetShape()->Selected();
 131
 132     view->SelectAll(FALSE);
 133
 134     selected = !selected;
 135
 136     GetShape()->Select(selected, &dc);
 137     GetShape()->GetCanvas()->Redraw(dc); // Redraw because bits of objects will be missing
 138
 139     view->SelectShape(GetShape(), selected);
 140   }
 141   else if (keys & KEY_SHIFT)
 142   {
 143     if (GetShape()->Selected())
 144     {
 145         GetShape()->Select(FALSE, &dc);
 146         view->SelectShape(GetShape(), FALSE);
 147     }
 148     else
 149     {
 150         GetShape()->Select(TRUE, &dc);
 151         view->SelectShape(GetShape(), TRUE);
 152     }
 153     GetShape()->GetCanvas()->Redraw(dc); // Redraw because bits of objects will be missing
 154   }
 155   else if (keys & KEY_CTRL)
 156   {
 157     // Do something for CONTROL
 158   }
 159   else
 160   {
 161     ((wxFrame*)wxGetApp().GetTopWindow())->SetStatusText(m_label);
 162   }
 163 }
 164
 165 void csEvtHandler::OnRightClick(double x, double y, int keys, int attachment)
 166 {
 167     // Have to convert back to physical coordinates from logical coordinates.
 168
 169     int viewStartX, viewStartY;
 170     int unitX, unitY;
 171     GetShape()->GetCanvas()->ViewStart(& viewStartX, & viewStartY);
 172     GetShape()->GetCanvas()->GetScrollPixelsPerUnit(& unitX, & unitY);
 173
 174     int x1 = (int)(x * GetShape()->GetCanvas()->GetScaleX());
 175     int y1 = (int)(y * GetShape()->GetCanvas()->GetScaleY());
 176
 177     int menuX = (int) (x1 - (viewStartX * unitX)) ;
 178     int menuY = (int) (y1 - (viewStartY * unitY));
 179
 180     wxGetApp().GetShapeEditMenu()->SetClientData((char*) GetShape());
 181     wxGetApp().GetShapeEditMenu()->Enable(ID_CS_ROTATE_CLOCKWISE, !GetShape()->IsKindOf(CLASSINFO(wxLineShape)));
 182     wxGetApp().GetShapeEditMenu()->Enable(ID_CS_ROTATE_ANTICLOCKWISE, !GetShape()->IsKindOf(CLASSINFO(wxLineShape)));
 183
 184     GetShape()->GetCanvas()->PopupMenu(wxGetApp().GetShapeEditMenu(), menuX, menuY);
 185 }
 186
 187 /*
 188  * Implement connection of two shapes by right-dragging between them.
 189  */
 190
 191 void csEvtHandler::OnBeginDragRight(double x, double y, int keys, int attachment)
 192 {
 193   wxClientDC dc(GetShape()->GetCanvas());
 194   GetShape()->GetCanvas()->PrepareDC(dc);
 195
 196   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
 197   dc.SetLogicalFunction(OGLRBLF);
 198   dc.SetPen(dottedPen);
 199   double xp, yp;
 200   GetShape()->GetAttachmentPositionEdge(attachment, &xp, &yp);
 201   dc.DrawLine(xp, yp, x, y);
 202   GetShape()->GetCanvas()->CaptureMouse();
 203 }
 204
 205 void csEvtHandler::OnDragRight(bool draw, double x, double y, int keys, int attachment)
 206 {
 207   wxClientDC dc(GetShape()->GetCanvas());
 208   GetShape()->GetCanvas()->PrepareDC(dc);
 209
 210   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
 211   dc.SetLogicalFunction(OGLRBLF);
 212   dc.SetPen(dottedPen);
 213   double xp, yp;
 214   GetShape()->GetAttachmentPositionEdge(attachment, &xp, &yp);
 215   dc.DrawLine(xp, yp, x, y);
 216 }
 217
 218 void csEvtHandler::OnEndDragRight(double x, double y, int keys, int attachment)
 219 {
 220   GetShape()->GetCanvas()->ReleaseMouse();
 221   csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
 222
 223   // Check if we're on an object
 224   int new_attachment;
 225   wxShape *otherShape = canvas->FindFirstSensitiveShape(x, y, &new_attachment, OP_DRAG_RIGHT);
 226
 227   if (otherShape && !otherShape->IsKindOf(CLASSINFO(wxLineShape)))
 228   {
 229         wxLineShape* theShape = new csLineShape;
 230
 231         theShape->AssignNewIds();
 232         theShape->SetEventHandler(new csEvtHandler(theShape, theShape, wxString("")));
 233         theShape->SetPen(wxBLACK_PEN);
 234         theShape->SetBrush(wxRED_BRUSH);
 235
 236         wxToolBar* toolbar = wxGetApp().GetDiagramToolBar();
 237         bool haveArrow = toolbar->GetToolState(DIAGRAM_TOOLBAR_LINE_ARROW);
 238
 239         wxLineShape *lineShape = (wxLineShape *)theShape;
 240
 241         // Yes, you can have more than 2 control points, in which case
 242         // it becomes a multi-segment line.
 243         lineShape->MakeLineControlPoints(2);
 244
 245         if (haveArrow)
 246             lineShape->AddArrow(ARROW_ARROW, ARROW_POSITION_MIDDLE, 10.0, 0.0, "Normal arrowhead");
 247
 248         lineShape->SetFrom(GetShape());
 249         lineShape->SetTo(otherShape);
 250         lineShape->SetAttachments(attachment, new_attachment);
 251
 252         canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(
 253             new csDiagramCommand("Line", (csDiagramDocument *)canvas->GetView()->GetDocument(),
 254                     new csCommandState(ID_CS_ADD_LINE, lineShape, NULL)));
 255   }
 256 }
 257
 258 static double g_DragOffsetX = 0.0;
 259 static double g_DragOffsetY = 0.0;
 260 static double g_DragStartX = 0.0;
 261 static double g_DragStartY = 0.0;
 262
 263 void csEvtHandler::OnDragLeft(bool draw, double x, double y, int keys, int attachment)
 264 {
 265   if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
 266   {
 267     attachment = 0;
 268     double dist;
 269     if (GetShape()->GetParent())
 270     {
 271       GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
 272       GetShape()->GetParent()->GetEventHandler()->OnDragLeft(draw, x, y, keys, attachment);
 273     }
 274     return;
 275   }
 276
 277   wxClientDC dc(GetShape()->GetCanvas());
 278   GetShape()->GetCanvas()->PrepareDC(dc);
 279
 280   dc.SetLogicalFunction(OGLRBLF);
 281
 282   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
 283   dc.SetPen(dottedPen);
 284   dc.SetBrush(* wxTRANSPARENT_BRUSH);
 285
 286   double xx, yy;
 287   xx = x + g_DragOffsetX;
 288   yy = y + g_DragOffsetY;
 289
 290   GetShape()->GetCanvas()->Snap(&xx, &yy);
 291
 292   double offsetX = xx - g_DragStartX;
 293   double offsetY = yy - g_DragStartY;
 294
 295 //  m_xpos = xx; m_ypos = yy;
 296   double w, h;
 297   GetShape()->GetBoundingBoxMax(&w, &h);
 298   GetShape()->GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
 299
 300   // Draw bounding box for other selected shapes
 301   wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
 302   while (node)
 303   {
 304      wxShape* shape = (wxShape*) node->Data();
 305      if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
 306      {
 307         shape->GetBoundingBoxMax(&w, &h);
 308         shape->OnDrawOutline(dc, shape->GetX() + offsetX, shape->GetY() + offsetY, w, h);
 309      }
 310      node = node->Next();
 311   }
 312 }
 313
 314 void csEvtHandler::OnBeginDragLeft(double x, double y, int keys, int attachment)
 315 {
 316   if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
 317   {
 318     attachment = 0;
 319     double dist;
 320     if (GetShape()->GetParent())
 321     {
 322       GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
 323       GetShape()->GetParent()->GetEventHandler()->OnBeginDragLeft(x, y, keys, attachment);
 324     }
 325     return;
 326   }
 327
 328   wxClientDC dc(GetShape()->GetCanvas());
 329   GetShape()->GetCanvas()->PrepareDC(dc);
 330
 331   // New policy: don't erase shape until end of drag.
 332 //  Erase(dc);
 333
 334   g_DragOffsetX = GetShape()->GetX() - x;
 335   g_DragOffsetY = GetShape()->GetY() - y;
 336
 337   double xx, yy;
 338   xx = x + g_DragOffsetX;
 339   yy = y + g_DragOffsetY;
 340
 341   GetShape()->GetCanvas()->Snap(&xx, &yy);
 342
 343   g_DragStartX = GetShape()->GetX();
 344   g_DragStartY = GetShape()->GetY();
 345
 346   double offsetX = xx - g_DragStartX;
 347   double offsetY = yy - g_DragStartY;
 348
 349   dc.SetLogicalFunction(OGLRBLF);
 350
 351   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
 352   dc.SetPen(dottedPen);
 353   dc.SetBrush((* wxTRANSPARENT_BRUSH));
 354
 355   double w, h;
 356   GetShape()->GetBoundingBoxMax(&w, &h);
 357   GetShape()->GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
 358
 359   // Draw bounding box for other selected shapes
 360   wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
 361   while (node)
 362   {
 363      wxShape* shape = (wxShape*) node->Data();
 364      if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
 365      {
 366         shape->GetBoundingBoxMax(&w, &h);
 367         shape->OnDrawOutline(dc, shape->GetX() + offsetX, shape->GetY() + offsetY, w, h);
 368      }
 369      node = node->Next();
 370   }
 371
 372   GetShape()->GetCanvas()->CaptureMouse();
 373 }
 374
 375
 376 void csEvtHandler::OnEndDragLeft(double x, double y, int keys, int attachment)
 377 {
 378   csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
 379
 380   canvas->ReleaseMouse();
 381   if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
 382   {
 383     attachment = 0;
 384     double dist;
 385     if (GetShape()->GetParent())
 386     {
 387       GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
 388       GetShape()->GetParent()->GetEventHandler()->OnEndDragLeft(x, y, keys, attachment);
 389     }
 390     return;
 391   }
 392
 393   wxClientDC dc(canvas);
 394   canvas->PrepareDC(dc);
 395
 396   dc.SetLogicalFunction(wxCOPY);
 397
 398   double xx = x + g_DragOffsetX;
 399   double yy = y + g_DragOffsetY;
 400
 401   canvas->Snap(&xx, &yy);
 402
 403   double offsetX = xx - g_DragStartX;
 404   double offsetY = yy - g_DragStartY;
 405
 406   wxShape* newShape = GetShape()->CreateNewCopy();
 407
 408   newShape->SetX(xx);
 409   newShape->SetY(yy);
 410
 411   csDiagramCommand* cmd = new csDiagramCommand("Move", (csDiagramDocument*)canvas->GetView()->GetDocument(),
 412                 new csCommandState(ID_CS_MOVE, newShape, GetShape()));
 413
 414   // Move line points
 415   wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
 416   while (node)
 417   {
 418      wxShape* shape = (wxShape*) node->Data();
 419      // Only move the line point(s) if both ends move too
 420      if (shape->IsKindOf(CLASSINFO(wxLineShape)) &&
 421            ((wxLineShape*)shape)->GetTo()->Selected() && ((wxLineShape*)shape)->GetFrom()->Selected())
 422      {
 423         wxLineShape* lineShape = (wxLineShape*) shape;
 424
 425         if (lineShape->GetLineControlPoints()->Number() > 2)
 426         {
 427             wxLineShape* newLineShape = (wxLineShape*) lineShape->CreateNewCopy();
 428
 429             wxNode *node1 = newLineShape->GetLineControlPoints()->First();
 430             while (node1)
 431             {
 432                 wxRealPoint *point = (wxRealPoint *)node1->Data();
 433                 point->x += offsetX;
 434                 point->y += offsetY;
 435                 node1 = node1->Next();
 436             }
 437             cmd->AddState(new csCommandState(ID_CS_MOVE_LINE_POINT, newLineShape, lineShape));
 438             lineShape->Erase(dc);
 439         }
 440      }
 441      node = node->Next();
 442   }
 443
 444   // Add other selected node shapes, if any
 445   node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
 446   while (node)
 447   {
 448      wxShape* shape = (wxShape*) node->Data();
 449      if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
 450      {
 451         wxShape* newShape2 = shape->CreateNewCopy();
 452         newShape2->SetX(shape->GetX() + offsetX);
 453         newShape2->SetY(shape->GetY() + offsetY);
 454         cmd->AddState(new csCommandState(ID_CS_MOVE, newShape2, shape));
 455      }
 456      node = node->Next();
 457   }
 458
 459   canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
 460 }
 461
 462 void csEvtHandler::OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys, int attachment)
 463 {
 464   wxShape* shape = GetShape();
 465   csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
 466
 467   if (shape->IsKindOf(CLASSINFO(wxLineShape)))
 468   {
 469     // TODO: Do/Undo support for line operations
 470     ((wxLineShape*)shape)->wxLineShape::OnSizingEndDragLeft(pt, x, y, keys, attachment);
 471 #if 0
 472         wxLineShape* lineShape = (wxLineShape*) shape;
 473
 474         wxLineControlPoint* lpt = (wxLineControlPoint*) pt;
 475
 476         wxClientDC dc(canvas);
 477         canvas->PrepareDC(dc);
 478
 479         shape->SetDisableLabel(FALSE);
 480
 481         if (lpt->m_type == CONTROL_POINT_LINE)
 482         {
 483             canvas->Snap(&x, &y);
 484
 485             dc.SetLogicalFunction(wxCOPY);
 486             lpt->SetX(x); lpt->SetY(y);
 487             lpt->m_point->x = x; lpt->m_point->y = y;
 488
 489             this->OnMoveLink(dc);
 490         }
 491         if (lpt->m_type == CONTROL_POINT_ENDPOINT_FROM)
 492         {
 493             if (lpt->m_oldCursor)
 494                 canvas->SetCursor(lpt->m_oldCursor);
 495             lineShape->Erase(dc);
 496
 497             lpt->SetX(x); lpt->SetY(y);
 498
 499             if (lineShape->GetFrom())
 500             {
 501                 lineShape->GetFrom()->MoveLineToNewAttachment(dc, lineShape, x, y);
 502             }
 503         }
 504         if (lpt->m_type == CONTROL_POINT_ENDPOINT_TO)
 505         {
 506             if (lpt->m_oldCursor)
 507                 canvas->SetCursor(lpt->m_oldCursor);
 508
 509             lpt->SetX(x); lpt->SetY(y);
 510
 511             if (lineShape->GetTo())
 512             {
 513                 lineShape->GetTo()->MoveLineToNewAttachment(dc, lineShape, x, y);
 514             }
 515         }
 516 #endif
 517         return;
 518   }
 519
 520   wxClientDC dc(canvas);
 521   canvas->PrepareDC(dc);
 522
 523   canvas->ReleaseMouse();
 524   dc.SetLogicalFunction(wxCOPY);
 525
 526 //  shape->Erase(dc);
 527 /*
 528   shape->Recompute();
 529   shape->ResetControlPoints();
 530   if (!pt->m_eraseObject)
 531     shape->Show(FALSE);
 532 */
 533
 534   wxShape* newShape = shape->CreateNewCopy();
 535
 536   if (newShape->IsKindOf(CLASSINFO(wxPolygonShape)))
 537   {
 538     wxPolygonControlPoint* ppt = (wxPolygonControlPoint*) pt;
 539     newShape->SetSize(ppt->GetNewSize().x, ppt->GetNewSize().y);
 540
 541     ((wxPolygonShape *)newShape)->CalculateBoundingBox();
 542     ((wxPolygonShape *)newShape)->CalculatePolygonCentre();
 543     newShape->ResetControlPoints();
 544   }
 545   else
 546   {
 547     newShape->SetSize(pt->sm_controlPointDragEndWidth, pt->sm_controlPointDragEndHeight);
 548     if (shape->GetCentreResize())
 549     {
 550       // Old position is fine
 551     }
 552     else
 553     {
 554       newShape->SetX(pt->sm_controlPointDragPosX);
 555       newShape->SetY(pt->sm_controlPointDragPosY);
 556     }
 557   }
 558
 559   csDiagramCommand* cmd = new csDiagramCommand("Size", (csDiagramDocument*)canvas->GetView()->GetDocument(),
 560                 new csCommandState(ID_CS_SIZE, newShape, shape));
 561
 562   canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
 563
 564 }
 565
 566 void csEvtHandler::OnEndSize(double x, double y)
 567 {
 568   wxClientDC dc(GetShape()->GetCanvas());
 569   GetShape()->GetCanvas()->PrepareDC(dc);
 570
 571   GetShape()->FormatText(dc, m_label);
 572 }
 573
 574 void csEvtHandler::OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering)
 575 {
 576     csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
 577
 578     // We actually submit two different states: one to change the ordering, and another
 579     // to change the attachment for the line.
 580     // Problem. If we refresh after the attachment change, we'll get a flicker.
 581     // We really want to do both in a oner.
 582
 583     csDiagramCommand* cmd = new csDiagramCommand("Change attachment", (csDiagramDocument*)canvas->GetView()->GetDocument());
 584
 585     wxLineShape* newLine = (wxLineShape*) line->CreateNewCopy();
 586     if (line->GetTo() == GetShape())
 587         newLine->SetAttachmentTo(attachment);
 588     else
 589         newLine->SetAttachmentFrom(attachment);
 590
 591     cmd->AddState(new csCommandState(ID_CS_CHANGE_LINE_ATTACHMENT, newLine, line));
 592
 593     // Change ordering
 594     wxShape* newShape = GetShape()->CreateNewCopy();
 595     newShape->ApplyAttachmentOrdering(ordering);
 596
 597     cmd->AddState(new csCommandState(ID_CS_CHANGE_LINE_ORDERING, newShape, GetShape()));
 598
 599     canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
 600 }
 601
 602 void csEvtHandler::OnLeftDoubleClick(double x, double y, int keys, int attachment)
 603 {
 604     EditProperties();
 605 }
 606
 607 // Popup up a property dialog
 608 bool csEvtHandler::EditProperties()
 609 {
 610     wxShape* shape = GetShape();
 611
 612     // For now, no line property editing
 613     if (shape->IsKindOf(CLASSINFO(wxLineShape)))
 614         return FALSE;
 615
 616     csDiagramView* view = ((csCanvas*)shape->GetCanvas())->GetView();
 617
 618     wxPanel* attributeDialog;
 619     wxString attributeDialogName;
 620     wxString title;
 621
 622     if (shape->IsKindOf(CLASSINFO(csThinRectangleShape)))
 623     {
 624         attributeDialog = new csThinRectangleDialog;
 625         attributeDialogName = "thin_rectangle";
 626         title = "Thin Rectangle Properties";
 627     }
 628     else if (shape->IsKindOf(CLASSINFO(csWideRectangleShape)))
 629     {
 630         attributeDialog = new csWideRectangleDialog;
 631         attributeDialogName = "wide_rectangle";
 632         title = "Wide Rectangle Properties";
 633     }
 634     else if (shape->IsKindOf(CLASSINFO(csTriangleShape)))
 635     {
 636         attributeDialog = new csTriangleDialog;
 637         attributeDialogName = "triangle";
 638         title = "Triangle Properties";
 639     }
 640     else if (shape->IsKindOf(CLASSINFO(csSemiCircleShape)))
 641     {
 642         attributeDialog = new csSemiCircleDialog;
 643         attributeDialogName = "semi_circle";
 644         title = "Semicircle Properties";
 645     }
 646     else if (shape->IsKindOf(CLASSINFO(csCircleShape)))
 647     {
 648         attributeDialog = new csCircleDialog;
 649         attributeDialogName = "circle";
 650         title = "Circle Properties";
 651     }
 652     else if (shape->IsKindOf(CLASSINFO(csCircleShadowShape)))
 653     {
 654         attributeDialog = new csCircleShadowDialog;
 655         attributeDialogName = "circle_shadow";
 656         title = "Circle Shadow Properties";
 657     }
 658     else if (shape->IsKindOf(CLASSINFO(csTextBoxShape)))
 659     {
 660         attributeDialog = new csTextBoxDialog;
 661         attributeDialogName = "text_box";
 662         title = "Text Box Properties";
 663     }
 664     else if (shape->IsKindOf(CLASSINFO(csGroupShape)))
 665     {
 666         attributeDialog = new csGroupDialog;
 667         attributeDialogName = "group";
 668         title = "Group Properties";
 669     }
 670     else if (shape->IsKindOf(CLASSINFO(csOctagonShape)))
 671     {
 672         attributeDialog = new csOctagonDialog;
 673         attributeDialogName = "octagon";
 674         title = "Octagon Properties";
 675     }
 676     else
 677     {
 678         wxMessageBox("Unrecognised shape.", "Studio", wxICON_EXCLAMATION);
 679         return FALSE;
 680     }
 681
 682     csShapePropertiesDialog* dialog = new csShapePropertiesDialog(shape->GetCanvas()->GetParent(), title, attributeDialog, attributeDialogName);
 683     dialog->GetGeneralPropertiesDialog()->SetShapeLabel(m_label);
 684     if (dialog->ShowModal() == wxID_CANCEL)
 685     {
 686         dialog->Destroy();
 687         return FALSE;
 688     }
 689
 690     wxString newLabel = dialog->GetGeneralPropertiesDialog()->GetShapeLabel();
 691     dialog->Destroy();
 692
 693     wxShape* newShape = shape->CreateNewCopy();
 694
 695     csEvtHandler* handler2 = (csEvtHandler *)newShape->GetEventHandler();
 696     handler2->m_label = newLabel;
 697
 698     view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit properties", (csDiagramDocument*) view->GetDocument(),
 699                 new csCommandState(ID_CS_EDIT_PROPERTIES, newShape, shape)));
 700
 701     return TRUE;
 702 }
 703
 704 /*
 705  * Diagram
 706  */
 707
 708 bool csDiagram::OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr)
 709 {
 710   wxDiagram::OnShapeSave(db, shape, expr);
 711   csEvtHandler *handler = (csEvtHandler *)shape.GetEventHandler();
 712   expr.AddAttributeValueString("label", handler->m_label);
 713   return TRUE;
 714 }
 715
 716 bool csDiagram::OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr)
 717 {
 718   wxDiagram::OnShapeLoad(db, shape, expr);
 719   wxString label("");
 720   expr.GetAttributeValue("label", label);
 721   csEvtHandler *handler = new csEvtHandler(&shape, &shape, label);
 722   shape.SetEventHandler(handler);
 723
 724   return TRUE;
 725 }
 726
 727 IMPLEMENT_DYNAMIC_CLASS(csThinRectangleShape, wxDrawnShape)
 728
 729 csThinRectangleShape::csThinRectangleShape()
 730 {
 731     SetDrawnPen(wxBLACK_PEN);
 732     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 733     SetDrawnBrush(brush);
 734
 735     double w = csSTANDARD_SHAPE_WIDTH/2;
 736     double h = csSTANDARD_SHAPE_WIDTH;
 737
 738     DrawRectangle(wxRect(- w/2, - h/2, w, h));
 739     CalculateSize();
 740
 741     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 742     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 743     SetCentreResize(FALSE);
 744 }
 745
 746 IMPLEMENT_DYNAMIC_CLASS(csWideRectangleShape, wxDrawnShape)
 747
 748 csWideRectangleShape::csWideRectangleShape()
 749 {
 750     SetDrawnPen(wxBLACK_PEN);
 751     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 752     SetDrawnBrush(brush);
 753
 754     double w = csSTANDARD_SHAPE_WIDTH;
 755     double h = w/2.0;
 756
 757     DrawRoundedRectangle(wxRect(- w/2, - h/2, w, h), -0.3);
 758     CalculateSize();
 759
 760     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 761     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 762     SetCentreResize(FALSE);
 763 }
 764
 765 IMPLEMENT_DYNAMIC_CLASS(csTriangleShape, wxDrawnShape)
 766
 767 csTriangleShape::csTriangleShape()
 768 {
 769     SetDrawnPen(wxBLACK_PEN);
 770     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 771     SetDrawnBrush(brush);
 772
 773     double w = csSTANDARD_SHAPE_WIDTH;
 774     double h = (csSTANDARD_SHAPE_WIDTH*2.0)/3.0;
 775
 776     // Triangle, from top vertex
 777     wxPoint* points = new wxPoint[3];
 778
 779
 780     points[0] = wxPoint( 0 ,  - h / 2 );
 781     points[1] = wxPoint( w / 2 ,  h / 2 );
 782     points[2] = wxPoint( -w / 2,  h / 2 );
 783
 784     DrawPolygon(3, points, oglMETAFLAGS_OUTLINE);
 785
 786     delete[] points;
 787
 788     // Add another triangle at the top for the black bit
 789     SetDrawnBrush(wxBLACK_BRUSH);
 790
 791     points = new wxPoint[3];
 792
 793     // Calculate where the new points will be, using the proportions
 794     // of the triangle.
 795     double h1 = 8; // Height of little triangle.
 796
 797     /*
 798         Formula: ((w/2) / h) = w1 / h1
 799         w1 = ((w/2) / h) * h1;
 800     */
 801     double ratio = ((w/2.0) / h) ;
 802     double w1 = ratio * h1;
 803
 804     points[0] = wxPoint(0  ,  (int) (- h / 2 ));
 805     points[1] = wxPoint( (int) w1,  (int) (- h / 2 + h1));
 806     points[2] = wxPoint( (int) -w1, (int) (- h / 2 + h1));
 807
 808     DrawPolygon(3, points);
 809
 810     delete[] points;
 811
 812     CalculateSize();
 813
 814     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 815     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 816     SetCentreResize(FALSE);
 817 }
 818
 819 IMPLEMENT_DYNAMIC_CLASS(csSemiCircleShape, wxDrawnShape)
 820
 821 csSemiCircleShape::csSemiCircleShape()
 822 {
 823     // Zero degrees
 824     DrawAtAngle(oglDRAWN_ANGLE_0);
 825
 826     double w = csSTANDARD_SHAPE_WIDTH;
 827     double h = w/2.0;
 828
 829     SetDrawnPen(wxTRANSPARENT_PEN);
 830     SetDrawnBrush(wxTRANSPARENT_BRUSH);
 831
 832     // Draw a dummy rectangle that will be used for calculating the
 833     // bounding box, since we can't calculate the bounding box for
 834     // an arbitrary arc (not implemented)
 835
 836     DrawRectangle(wxRect(-w/2.0, -h/2.0, w, h));
 837
 838     SetDrawnPen(wxBLACK_PEN);
 839     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 840     SetDrawnBrush(brush);
 841
 842     DrawEllipticArc(wxRect(-w/2, -h/2, w, 2*h), 0.0, 180.0);
 843     DrawLine(wxPoint(-w/2, h/2), wxPoint(w/2, h/2));
 844
 845     CalculateSize();
 846
 847     /// 90 degrees
 848
 849     w = csSTANDARD_SHAPE_WIDTH/2;
 850     h = csSTANDARD_SHAPE_WIDTH;
 851
 852     DrawAtAngle(oglDRAWN_ANGLE_90);
 853
 854     SetDrawnPen(wxTRANSPARENT_PEN);
 855     SetDrawnBrush(wxTRANSPARENT_BRUSH);
 856
 857     DrawRectangle(wxRect(-w/2, -h/2, w, h));
 858
 859     SetDrawnPen(wxBLACK_PEN);
 860     SetDrawnBrush(brush);
 861
 862     DrawEllipticArc(wxRect(-w/2 - w, -h/2, 2*w, h), 270.0, 90.0);
 863     DrawLine(wxPoint(-w/2, -h/2), wxPoint(-w/2, h/2));
 864
 865     CalculateSize();
 866
 867     /// 180 degrees
 868
 869     DrawAtAngle(oglDRAWN_ANGLE_180);
 870
 871     w = csSTANDARD_SHAPE_WIDTH;
 872     h = csSTANDARD_SHAPE_WIDTH/2;
 873
 874     SetDrawnPen(wxTRANSPARENT_PEN);
 875     SetDrawnBrush(wxTRANSPARENT_BRUSH);
 876
 877     DrawRectangle(wxRect(-w/2, -h/2, w, h));
 878
 879     SetDrawnPen(wxBLACK_PEN);
 880     SetDrawnBrush(brush);
 881
 882     DrawEllipticArc(wxRect(-w/2, -h/2 - h, w, 2*h), 180.0, 0.0);
 883     DrawLine(wxPoint(-w/2, -h/2), wxPoint(w/2, -h/2));
 884
 885     CalculateSize();
 886
 887     /// 270 degrees
 888
 889     DrawAtAngle(oglDRAWN_ANGLE_270);
 890
 891     w = csSTANDARD_SHAPE_WIDTH/2;
 892     h = csSTANDARD_SHAPE_WIDTH;
 893
 894     SetDrawnPen(wxTRANSPARENT_PEN);
 895     SetDrawnBrush(wxTRANSPARENT_BRUSH);
 896
 897     DrawRectangle(wxRect(-w/2, -h/2, w, h));
 898
 899     SetDrawnPen(wxBLACK_PEN);
 900     SetDrawnBrush(brush);
 901
 902     DrawEllipticArc(wxRect(-w/2, -h/2, 2*w, h), 90.0, 270.0);
 903     DrawLine(wxPoint(w/2, -h/2), wxPoint(w/2, h/2));
 904
 905     CalculateSize();
 906
 907     // Reset to zero
 908     DrawAtAngle(oglDRAWN_ANGLE_0);
 909     CalculateSize();
 910
 911     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 912     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 913     SetCentreResize(FALSE);
 914 }
 915
 916 IMPLEMENT_DYNAMIC_CLASS(csCircleShape, wxCircleShape)
 917
 918 csCircleShape::csCircleShape()
 919 {
 920     SetPen(wxBLACK_PEN);
 921     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 922     SetBrush(brush);
 923
 924     SetSize(csSTANDARD_SHAPE_WIDTH*0.6, csSTANDARD_SHAPE_WIDTH*0.6);
 925
 926     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 927     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 928     SetCentreResize(FALSE);
 929 }
 930
 931 IMPLEMENT_DYNAMIC_CLASS(csCircleShadowShape, wxCircleShape)
 932
 933 csCircleShadowShape::csCircleShadowShape()
 934 {
 935     SetPen(wxBLACK_PEN);
 936     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 937     SetBrush(brush);
 938
 939     SetSize(csSTANDARD_SHAPE_WIDTH*0.6, csSTANDARD_SHAPE_WIDTH*0.6);
 940
 941     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 942     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 943     SetCentreResize(FALSE);
 944     SetShadowMode(SHADOW_RIGHT);
 945 }
 946
 947 IMPLEMENT_DYNAMIC_CLASS(csOctagonShape, wxPolygonShape)
 948
 949 csOctagonShape::csOctagonShape()
 950 {
 951     SetPen(wxBLACK_PEN);
 952     SetBrush(wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID));
 953
 954     double w = csSTANDARD_SHAPE_WIDTH*0.5;
 955     double h = csSTANDARD_SHAPE_WIDTH*0.5;
 956
 957     double prop = h/3.0;
 958
 959     wxList* points = new wxList;
 960     points->Append((wxObject*) new wxRealPoint(-w/2.0 + prop, -h/2.0));
 961     points->Append((wxObject*) new wxRealPoint(w/2.0 - prop, -h/2.0));
 962     points->Append((wxObject*) new wxRealPoint(w/2.0, -h/2.0 + prop));
 963     points->Append((wxObject*) new wxRealPoint(w/2.0, h/2.0 - prop));
 964     points->Append((wxObject*) new wxRealPoint(w/2.0 - prop, h/2.0));
 965     points->Append((wxObject*) new wxRealPoint(-w/2.0 + prop, h/2.0));
 966     points->Append((wxObject*) new wxRealPoint(-w/2.0, h/2.0 - prop));
 967     points->Append((wxObject*) new wxRealPoint(-w/2.0, -h/2.0 + prop));
 968
 969     Create(points);
 970
 971     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 972     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 973     SetCentreResize(FALSE);
 974 }
 975
 976 // This is a transparent shape for drawing around other shapes.
 977 IMPLEMENT_DYNAMIC_CLASS(csGroupShape, wxRectangleShape)
 978
 979 csGroupShape::csGroupShape()
 980 {
 981     SetPen(wxThePenList->FindOrCreatePen("BLACK", 1, wxDOT));
 982     SetBrush(wxTRANSPARENT_BRUSH);
 983
 984     SetSize(csSTANDARD_SHAPE_WIDTH, csSTANDARD_SHAPE_WIDTH);
 985     SetCentreResize(FALSE);
 986 }
 987
 988 void csGroupShape::OnDraw(wxDC& dc)
 989 {
 990     wxRectangleShape::OnDraw(dc);
 991 }
 992
 993 // Must modify the hit-test so it doesn't obscure shapes that are inside.
 994 bool csGroupShape::HitTest(double x, double y, int* attachment, double* distance)
 995 {
 996     *attachment = 0;
 997     *distance = 0.0;
 998
 999     double width = 0.0, height = 0.0;
1000     GetBoundingBoxMin(&width, &height);
1001
1002     double x1 = GetX() - (width/2.0);
1003     double y1 = GetY() - (height/2.0);
1004     double x2 = GetX() + (width/2.0);
1005     double y2 = GetY() + (height/2.0);
1006
1007     double edgeTolerance = 4.0;
1008
1009     // Test each edge in turn
1010
1011     // Top/bottom edges
1012     if (x >= x1 && x <= x2)
1013     {
1014         if ((y >= y1 - edgeTolerance) && (y <= y1 + edgeTolerance))
1015             return TRUE;
1016         if ((y <= y2 + edgeTolerance) && (y >= y2 - edgeTolerance))
1017             return TRUE;
1018     }
1019     // Left/right edges
1020     if (y >= y1 && y <= y2)
1021     {
1022         if ((x >= x1 - edgeTolerance) && (x <= x1 + edgeTolerance))
1023             return TRUE;
1024         if ((x <= x2 + edgeTolerance) && (x >= x2 - edgeTolerance))
1025             return TRUE;
1026     }
1027
1028     return FALSE;
1029 }
1030
1031 IMPLEMENT_DYNAMIC_CLASS(csTextBoxShape, wxRectangleShape)
1032
1033 csTextBoxShape::csTextBoxShape()
1034 {
1035     SetPen(wxTRANSPARENT_PEN);
1036     SetBrush(wxTRANSPARENT_BRUSH);
1037
1038     SetSize(csSTANDARD_SHAPE_WIDTH, csSTANDARD_SHAPE_WIDTH/2.0);
1039
1040     SetAttachmentMode(ATTACHMENT_MODE_NONE);
1041     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
1042     SetCentreResize(FALSE);
1043 }
1044
1045 IMPLEMENT_DYNAMIC_CLASS(csLineShape, wxLineShape)
1046
1047 csLineShape::csLineShape()
1048 {
1049 }
1050
1051 bool csLineShape::OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt)
1052 {
1053     csDiagramView* view = ((csCanvas*)GetCanvas())->GetView();
1054
1055     // Temporarily set the new shape properties so we can copy it
1056     lpt->SetX(pt.x); lpt->SetY(pt.y);
1057     lpt->m_point->x = pt.x; lpt->m_point->y = pt.y;
1058
1059     wxLineShape* newShape = (wxLineShape*) this->CreateNewCopy();
1060
1061     // Now set them back again
1062     lpt->SetX(lpt->m_originalPos.x); lpt->SetY(lpt->m_originalPos.y);
1063     lpt->m_point->x = lpt->m_originalPos.x; lpt->m_point->y = lpt->m_originalPos.y;
1064
1065     view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Move line point", (csDiagramDocument*) view->GetDocument(),
1066                 new csCommandState(ID_CS_MOVE_LINE_POINT, newShape, this)));
1067
1068     return TRUE;
1069 }
1070
1071 wxLabelShape* csLineShape::OnCreateLabelShape(wxLineShape *parent, wxShapeRegion *region, double w, double h)
1072 {
1073     return new csLabelShape(parent, region, w, h);
1074 }
1075
1076 #if 0
1077 bool csLineShape::OnLabelMovePre(wxDC& dc, wxLabelShape* labelShape, double x, double y, double old_x, double old_y, bool display)
1078 {
1079     csDiagramView* view = ((csCanvas*)GetCanvas())->GetView();
1080
1081     wxLineShape* newShape = (wxLineShape*) this->CreateNewCopy();
1082
1083     wxLineShape::OnLabelMovePre(dc, labelShape, x, y, old_x, old_y, display);
1084
1085     view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Move label", (csDiagramDocument*) view->GetDocument(),
1086                 new csCommandState(ID_CS_MOVE_LABEL, newShape, this)));
1087   return TRUE;
1088 }
1089 #endif
1090
1091 IMPLEMENT_DYNAMIC_CLASS(csLabelShape, wxLabelShape)
1092
1093 csLabelShape::csLabelShape(wxLineShape *parent, wxShapeRegion *region, double w, double h):
1094   wxLabelShape(parent, region, w, h)
1095 {
1096 }
1097
1098 // TODO: not sure how intercept normal behaviour (OnMovePre) to make
1099 // label movement undo-able.
1100 void csLabelShape::OnEndDragLeft(double x, double y, int keys, int attachment)
1101 {
1102     wxLabelShape::OnEndDragLeft(x, y, keys, attachment);
1103 }
1104
1105
1106 // Menu for editing shapes
1107 void studioShapeEditProc(wxMenu& menu, wxCommandEvent& event)
1108 {
1109     wxShape* shape = (wxShape*) menu.GetClientData();
1110     csDiagramView* view = ((csCanvas*)shape->GetCanvas())->GetView();
1111
1112     switch (event.GetId())
1113     {
1114         case ID_CS_EDIT_PROPERTIES:
1115         {
1116             csEvtHandler* handler1 = (csEvtHandler *)shape->GetEventHandler();
1117             handler1->EditProperties();
1118 #if 0
1119             csEvtHandler* handler1 = (csEvtHandler *)shape->GetEventHandler();
1120             csLabelEditingDialog* dialog = new csLabelEditingDialog(shape->GetCanvas()->GetParent());
1121             dialog->SetShapeLabel(handler1->m_label);
1122             if (dialog->ShowModal() == wxID_CANCEL)
1123             {
1124                 dialog->Destroy();
1125                 return;
1126             }
1127
1128             wxString newLabel = dialog->GetShapeLabel();
1129             dialog->Destroy();
1130
1131             wxShape* newShape = shape->CreateNewCopy();
1132
1133             csEvtHandler* handler2 = (csEvtHandler *)newShape->GetEventHandler();
1134             handler2->m_label = newLabel;
1135
1136             view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit label", (csDiagramDocument*) view->GetDocument(),
1137                 new csCommandState(ID_CS_EDIT_LABEL, newShape, shape)));
1138 #endif
1139             break;
1140         }
1141         case wxID_CUT:
1142         {
1143             wxList list;
1144             list.Append(shape);
1145             view->DoCut(list);
1146             break;
1147         }
1148         case ID_CS_ROTATE_CLOCKWISE:
1149         case ID_CS_ROTATE_ANTICLOCKWISE:
1150         {
1151             if (shape->IsKindOf(CLASSINFO(wxLineShape)))
1152                 break;
1153
1154             double theta = shape->GetRotation();
1155             const double myPi = 3.1415926535897932384626433832795 ;
1156             double ninetyDegrees = myPi/2.0;
1157
1158             wxString opStr;
1159             if (event.GetId() == ID_CS_ROTATE_CLOCKWISE)
1160             {
1161                 theta += ninetyDegrees;
1162                 opStr = "Rotate clockwise";
1163             }
1164             else
1165             {
1166                 theta -= ninetyDegrees;
1167                 opStr = "Rotate anticlockwise";
1168             }
1169
1170             if (theta >= 2.0*myPi || theta < 0.0)
1171                 theta = 0.0;
1172             wxShape* newShape = shape->CreateNewCopy();
1173             newShape->Rotate(0.0, 0.0, theta);
1174             wxList newShapes;
1175             wxList oldShapes;
1176             newShapes.Append(newShape);
1177             oldShapes.Append(shape);
1178             view->DoCmd(newShapes, oldShapes, event.GetId(), opStr);
1179             break;
1180         }
1181         default:
1182             break;
1183     }
1184 }
1185
1186 BEGIN_EVENT_TABLE(ShapeEditMenu, wxMenu)
1187     EVT_COMMAND_RANGE(1, 65000, wxEVT_COMMAND_MENU_SELECTED, ShapeEditMenu::OnCommand)
1188 END_EVENT_TABLE()
1189
1190 void ShapeEditMenu::OnCommand(wxCommandEvent& event)
1191 {
1192     studioShapeEditProc(*this, event);
1193 }
1194