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/deprecated/setup.h>
  32 #include <wx/deprecated/wxexpr.h>
  33
  34 #include "studio.h"
  35 #include "doc.h"
  36 #include "shapes.h"
  37 #include "view.h"
  38 #include <wx/ogl/basicp.h>
  39 #include <wx/ogl/linesp.h>
  40 #include "cspalette.h"
  41 #include "dialogs.h"
  42
  43 #define csSTANDARD_SHAPE_WIDTH      100
  44
  45 IMPLEMENT_CLASS(csDiagram, wxDiagram)
  46
  47 csDiagram::~csDiagram()
  48 {
  49     DeleteAllShapes();
  50 }
  51
  52 void csDiagram::Redraw(wxDC& dc)
  53 {
  54     wxDiagram::Redraw(dc);
  55
  56     // Draw line crossings
  57     wxLineCrossings lineCrossings;
  58     lineCrossings.FindCrossings(*this);
  59     lineCrossings.DrawCrossings(*this, dc);
  60 }
  61
  62 /*
  63  * csEvtHandler: an event handler class for all shapes
  64  */
  65
  66 IMPLEMENT_DYNAMIC_CLASS(csEvtHandler, wxShapeEvtHandler)
  67
  68 csEvtHandler::csEvtHandler(wxShapeEvtHandler *prev, wxShape *shape, const wxString& lab):
  69   wxShapeEvtHandler(prev, shape)
  70 {
  71     m_label = lab;
  72 }
  73
  74 csEvtHandler::~csEvtHandler()
  75 {
  76 }
  77
  78 // Copy any event handler data
  79 void csEvtHandler::CopyData(wxShapeEvtHandler& copy)
  80 {
  81     wxShapeEvtHandler::CopyData(copy);
  82
  83     csEvtHandler& csCopy = (csEvtHandler&) copy;
  84     csCopy.m_label = m_label;
  85 }
  86
  87 void csEvtHandler::OnLeftClick(double x, double y, int keys, int attachment)
  88 {
  89   wxClientDC dc(GetShape()->GetCanvas());
  90   GetShape()->GetCanvas()->PrepareDC(dc);
  91
  92   csDiagramView* view = ((csCanvas*)GetShape()->GetCanvas())->GetView();
  93   view->ReflectPointSize(GetShape()->GetFont()->GetPointSize());
  94
  95   if (GetShape()->IsKindOf(CLASSINFO(wxLineShape)))
  96       view->ReflectArrowState((wxLineShape*) GetShape());
  97
  98   csEditorToolPalette *palette = wxGetApp().GetDiagramPalette();
  99   if (palette->GetSelection() == PALETTE_TEXT_TOOL)
 100   {
 101         view->ReflectPointSize(GetShape()->GetFont()->GetPointSize());
 102
 103         EditProperties();
 104 #if 0
 105         csLabelEditingDialog* dialog = new csLabelEditingDialog(GetShape()->GetCanvas()->GetParent());
 106         dialog->SetShapeLabel(m_label);
 107         if (dialog->ShowModal() == wxID_CANCEL)
 108         {
 109             dialog->Destroy();
 110             return;
 111         }
 112
 113         wxString newLabel = dialog->GetShapeLabel();
 114         dialog->Destroy();
 115
 116         wxShape* newShape = GetShape()->CreateNewCopy();
 117
 118         csEvtHandler* handler = (csEvtHandler *)newShape->GetEventHandler();
 119         handler->m_label = newLabel;
 120
 121         view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit label", (csDiagramDocument*) view->GetDocument(),
 122             new csCommandState(ID_CS_EDIT_PROPERTIES, newShape, GetShape())));
 123 #endif
 124         return;
 125   }
 126
 127   if (keys == 0)
 128   {
 129     // If no shift key, then everything is deselected.
 130     // If the shape was selected, deselect it and vice versa.
 131     bool selected = GetShape()->Selected();
 132
 133     view->SelectAll(FALSE);
 134
 135     selected = !selected;
 136
 137     GetShape()->Select(selected, &dc);
 138     GetShape()->GetCanvas()->Redraw(dc); // Redraw because bits of objects will be missing
 139
 140     view->SelectShape(GetShape(), selected);
 141   }
 142   else if (keys & KEY_SHIFT)
 143   {
 144     if (GetShape()->Selected())
 145     {
 146         GetShape()->Select(FALSE, &dc);
 147         view->SelectShape(GetShape(), FALSE);
 148     }
 149     else
 150     {
 151         GetShape()->Select(TRUE, &dc);
 152         view->SelectShape(GetShape(), TRUE);
 153     }
 154     GetShape()->GetCanvas()->Redraw(dc); // Redraw because bits of objects will be missing
 155   }
 156   else if (keys & KEY_CTRL)
 157   {
 158     // Do something for CONTROL
 159   }
 160   else
 161   {
 162     ((wxFrame*)wxGetApp().GetTopWindow())->SetStatusText(m_label);
 163   }
 164 }
 165
 166 void csEvtHandler::OnRightClick(double x, double y, int keys, int attachment)
 167 {
 168     // Have to convert back to physical coordinates from logical coordinates.
 169
 170     int viewStartX, viewStartY;
 171     int unitX, unitY;
 172     GetShape()->GetCanvas()->GetViewStart(& viewStartX, & viewStartY);
 173     GetShape()->GetCanvas()->GetScrollPixelsPerUnit(& unitX, & unitY);
 174
 175     int x1 = (int)(x * GetShape()->GetCanvas()->GetScaleX());
 176     int y1 = (int)(y * GetShape()->GetCanvas()->GetScaleY());
 177
 178     int menuX = (int) (x1 - (viewStartX * unitX)) ;
 179     int menuY = (int) (y1 - (viewStartY * unitY));
 180
 181     wxGetApp().GetShapeEditMenu()->SetClientData((char*) GetShape());
 182     wxGetApp().GetShapeEditMenu()->Enable(ID_CS_ROTATE_CLOCKWISE, !GetShape()->IsKindOf(CLASSINFO(wxLineShape)));
 183     wxGetApp().GetShapeEditMenu()->Enable(ID_CS_ROTATE_ANTICLOCKWISE, !GetShape()->IsKindOf(CLASSINFO(wxLineShape)));
 184
 185     GetShape()->GetCanvas()->PopupMenu(wxGetApp().GetShapeEditMenu(), menuX, menuY);
 186 }
 187
 188 /*
 189  * Implement connection of two shapes by right-dragging between them.
 190  */
 191
 192 void csEvtHandler::OnBeginDragRight(double x, double y, int keys, int attachment)
 193 {
 194   wxClientDC dc(GetShape()->GetCanvas());
 195   GetShape()->GetCanvas()->PrepareDC(dc);
 196
 197   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
 198   dc.SetLogicalFunction(OGLRBLF);
 199   dc.SetPen(dottedPen);
 200   double xp, yp;
 201   GetShape()->GetAttachmentPositionEdge(attachment, &xp, &yp);
 202   dc.DrawLine(xp, yp, x, y);
 203   GetShape()->GetCanvas()->CaptureMouse();
 204 }
 205
 206 void csEvtHandler::OnDragRight(bool draw, double x, double y, int keys, int attachment)
 207 {
 208   wxClientDC dc(GetShape()->GetCanvas());
 209   GetShape()->GetCanvas()->PrepareDC(dc);
 210
 211   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
 212   dc.SetLogicalFunction(OGLRBLF);
 213   dc.SetPen(dottedPen);
 214   double xp, yp;
 215   GetShape()->GetAttachmentPositionEdge(attachment, &xp, &yp);
 216   dc.DrawLine(xp, yp, x, y);
 217 }
 218
 219 void csEvtHandler::OnEndDragRight(double x, double y, int keys, int attachment)
 220 {
 221   GetShape()->GetCanvas()->ReleaseMouse();
 222   csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
 223
 224   // Check if we're on an object
 225   int new_attachment;
 226   wxShape *otherShape = canvas->FindFirstSensitiveShape(x, y, &new_attachment, OP_DRAG_RIGHT);
 227
 228   if (otherShape && !otherShape->IsKindOf(CLASSINFO(wxLineShape)))
 229   {
 230         wxLineShape* theShape = new csLineShape;
 231
 232         theShape->AssignNewIds();
 233         theShape->SetEventHandler(new csEvtHandler(theShape, theShape, wxString("")));
 234         theShape->SetPen(wxBLACK_PEN);
 235         theShape->SetBrush(wxRED_BRUSH);
 236
 237         wxToolBar* toolbar = wxGetApp().GetDiagramToolBar();
 238         bool haveArrow = toolbar->GetToolState(DIAGRAM_TOOLBAR_LINE_ARROW);
 239
 240         wxLineShape *lineShape = (wxLineShape *)theShape;
 241
 242         // Yes, you can have more than 2 control points, in which case
 243         // it becomes a multi-segment line.
 244         lineShape->MakeLineControlPoints(2);
 245
 246         if (haveArrow)
 247             lineShape->AddArrow(ARROW_ARROW, ARROW_POSITION_MIDDLE, 10.0, 0.0, "Normal arrowhead");
 248
 249         lineShape->SetFrom(GetShape());
 250         lineShape->SetTo(otherShape);
 251         lineShape->SetAttachments(attachment, new_attachment);
 252
 253         canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(
 254             new csDiagramCommand("Line", (csDiagramDocument *)canvas->GetView()->GetDocument(),
 255                     new csCommandState(ID_CS_ADD_LINE, lineShape, NULL)));
 256   }
 257 }
 258
 259 static double g_DragOffsetX = 0.0;
 260 static double g_DragOffsetY = 0.0;
 261 static double g_DragStartX = 0.0;
 262 static double g_DragStartY = 0.0;
 263
 264 void csEvtHandler::OnDragLeft(bool draw, double x, double y, int keys, int attachment)
 265 {
 266   if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
 267   {
 268     attachment = 0;
 269     double dist;
 270     if (GetShape()->GetParent())
 271     {
 272       GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
 273       GetShape()->GetParent()->GetEventHandler()->OnDragLeft(draw, x, y, keys, attachment);
 274     }
 275     return;
 276   }
 277
 278   wxClientDC dc(GetShape()->GetCanvas());
 279   GetShape()->GetCanvas()->PrepareDC(dc);
 280
 281   dc.SetLogicalFunction(OGLRBLF);
 282
 283   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
 284   dc.SetPen(dottedPen);
 285   dc.SetBrush(* wxTRANSPARENT_BRUSH);
 286
 287   double xx, yy;
 288   xx = x + g_DragOffsetX;
 289   yy = y + g_DragOffsetY;
 290
 291   GetShape()->GetCanvas()->Snap(&xx, &yy);
 292
 293   double offsetX = xx - g_DragStartX;
 294   double offsetY = yy - g_DragStartY;
 295
 296 //  m_xpos = xx; m_ypos = yy;
 297   double w, h;
 298   GetShape()->GetBoundingBoxMax(&w, &h);
 299   GetShape()->GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
 300
 301   // Draw bounding box for other selected shapes
 302   wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
 303   while (node)
 304   {
 305      wxShape* shape = (wxShape*) node->Data();
 306      if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
 307      {
 308         shape->GetBoundingBoxMax(&w, &h);
 309         shape->OnDrawOutline(dc, shape->GetX() + offsetX, shape->GetY() + offsetY, w, h);
 310      }
 311      node = node->Next();
 312   }
 313 }
 314
 315 void csEvtHandler::OnBeginDragLeft(double x, double y, int keys, int attachment)
 316 {
 317   if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
 318   {
 319     attachment = 0;
 320     double dist;
 321     if (GetShape()->GetParent())
 322     {
 323       GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
 324       GetShape()->GetParent()->GetEventHandler()->OnBeginDragLeft(x, y, keys, attachment);
 325     }
 326     return;
 327   }
 328
 329   wxClientDC dc(GetShape()->GetCanvas());
 330   GetShape()->GetCanvas()->PrepareDC(dc);
 331
 332   // New policy: don't erase shape until end of drag.
 333 //  Erase(dc);
 334
 335   g_DragOffsetX = GetShape()->GetX() - x;
 336   g_DragOffsetY = GetShape()->GetY() - y;
 337
 338   double xx, yy;
 339   xx = x + g_DragOffsetX;
 340   yy = y + g_DragOffsetY;
 341
 342   GetShape()->GetCanvas()->Snap(&xx, &yy);
 343
 344   g_DragStartX = GetShape()->GetX();
 345   g_DragStartY = GetShape()->GetY();
 346
 347   double offsetX = xx - g_DragStartX;
 348   double offsetY = yy - g_DragStartY;
 349
 350   dc.SetLogicalFunction(OGLRBLF);
 351
 352   wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
 353   dc.SetPen(dottedPen);
 354   dc.SetBrush((* wxTRANSPARENT_BRUSH));
 355
 356   double w, h;
 357   GetShape()->GetBoundingBoxMax(&w, &h);
 358   GetShape()->GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
 359
 360   // Draw bounding box for other selected shapes
 361   wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
 362   while (node)
 363   {
 364      wxShape* shape = (wxShape*) node->Data();
 365      if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
 366      {
 367         shape->GetBoundingBoxMax(&w, &h);
 368         shape->OnDrawOutline(dc, shape->GetX() + offsetX, shape->GetY() + offsetY, w, h);
 369      }
 370      node = node->Next();
 371   }
 372
 373   GetShape()->GetCanvas()->CaptureMouse();
 374 }
 375
 376
 377 void csEvtHandler::OnEndDragLeft(double x, double y, int keys, int attachment)
 378 {
 379   csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
 380
 381   canvas->ReleaseMouse();
 382   if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
 383   {
 384     attachment = 0;
 385     double dist;
 386     if (GetShape()->GetParent())
 387     {
 388       GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
 389       GetShape()->GetParent()->GetEventHandler()->OnEndDragLeft(x, y, keys, attachment);
 390     }
 391     return;
 392   }
 393
 394   wxClientDC dc(canvas);
 395   canvas->PrepareDC(dc);
 396
 397   dc.SetLogicalFunction(wxCOPY);
 398
 399   double xx = x + g_DragOffsetX;
 400   double yy = y + g_DragOffsetY;
 401
 402   canvas->Snap(&xx, &yy);
 403
 404   double offsetX = xx - g_DragStartX;
 405   double offsetY = yy - g_DragStartY;
 406
 407   wxShape* newShape = GetShape()->CreateNewCopy();
 408
 409   newShape->SetX(xx);
 410   newShape->SetY(yy);
 411
 412   csDiagramCommand* cmd = new csDiagramCommand("Move", (csDiagramDocument*)canvas->GetView()->GetDocument(),
 413                 new csCommandState(ID_CS_MOVE, newShape, GetShape()));
 414
 415   // Move line points
 416   wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
 417   while (node)
 418   {
 419      wxShape* shape = (wxShape*) node->Data();
 420      // Only move the line point(s) if both ends move too
 421      if (shape->IsKindOf(CLASSINFO(wxLineShape)) &&
 422            ((wxLineShape*)shape)->GetTo()->Selected() && ((wxLineShape*)shape)->GetFrom()->Selected())
 423      {
 424         wxLineShape* lineShape = (wxLineShape*) shape;
 425
 426         if (lineShape->GetLineControlPoints()->Number() > 2)
 427         {
 428             wxLineShape* newLineShape = (wxLineShape*) lineShape->CreateNewCopy();
 429
 430             wxNode *node1 = newLineShape->GetLineControlPoints()->First();
 431             while (node1)
 432             {
 433                 wxRealPoint *point = (wxRealPoint *)node1->Data();
 434                 point->x += offsetX;
 435                 point->y += offsetY;
 436                 node1 = node1->Next();
 437             }
 438             cmd->AddState(new csCommandState(ID_CS_MOVE_LINE_POINT, newLineShape, lineShape));
 439             lineShape->Erase(dc);
 440         }
 441      }
 442      node = node->Next();
 443   }
 444
 445   // Add other selected node shapes, if any
 446   node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
 447   while (node)
 448   {
 449      wxShape* shape = (wxShape*) node->Data();
 450      if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
 451      {
 452         wxShape* newShape2 = shape->CreateNewCopy();
 453         newShape2->SetX(shape->GetX() + offsetX);
 454         newShape2->SetY(shape->GetY() + offsetY);
 455         cmd->AddState(new csCommandState(ID_CS_MOVE, newShape2, shape));
 456      }
 457      node = node->Next();
 458   }
 459
 460   canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
 461 }
 462
 463 void csEvtHandler::OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys, int attachment)
 464 {
 465   wxShape* shape = GetShape();
 466   csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
 467
 468   if (shape->IsKindOf(CLASSINFO(wxLineShape)))
 469   {
 470     // TODO: Do/Undo support for line operations
 471     ((wxLineShape*)shape)->wxLineShape::OnSizingEndDragLeft(pt, x, y, keys, attachment);
 472 #if 0
 473         wxLineShape* lineShape = (wxLineShape*) shape;
 474
 475         wxLineControlPoint* lpt = (wxLineControlPoint*) pt;
 476
 477         wxClientDC dc(canvas);
 478         canvas->PrepareDC(dc);
 479
 480         shape->SetDisableLabel(FALSE);
 481
 482         if (lpt->m_type == CONTROL_POINT_LINE)
 483         {
 484             canvas->Snap(&x, &y);
 485
 486             dc.SetLogicalFunction(wxCOPY);
 487             lpt->SetX(x); lpt->SetY(y);
 488             lpt->m_point->x = x; lpt->m_point->y = y;
 489
 490             this->OnMoveLink(dc);
 491         }
 492         if (lpt->m_type == CONTROL_POINT_ENDPOINT_FROM)
 493         {
 494             if (lpt->m_oldCursor)
 495                 canvas->SetCursor(lpt->m_oldCursor);
 496             lineShape->Erase(dc);
 497
 498             lpt->SetX(x); lpt->SetY(y);
 499
 500             if (lineShape->GetFrom())
 501             {
 502                 lineShape->GetFrom()->MoveLineToNewAttachment(dc, lineShape, x, y);
 503             }
 504         }
 505         if (lpt->m_type == CONTROL_POINT_ENDPOINT_TO)
 506         {
 507             if (lpt->m_oldCursor)
 508                 canvas->SetCursor(lpt->m_oldCursor);
 509
 510             lpt->SetX(x); lpt->SetY(y);
 511
 512             if (lineShape->GetTo())
 513             {
 514                 lineShape->GetTo()->MoveLineToNewAttachment(dc, lineShape, x, y);
 515             }
 516         }
 517 #endif
 518         return;
 519   }
 520
 521   wxClientDC dc(canvas);
 522   canvas->PrepareDC(dc);
 523
 524   canvas->ReleaseMouse();
 525   dc.SetLogicalFunction(wxCOPY);
 526
 527 //  shape->Erase(dc);
 528 /*
 529   shape->Recompute();
 530   shape->ResetControlPoints();
 531   if (!pt->m_eraseObject)
 532     shape->Show(FALSE);
 533 */
 534
 535   wxShape* newShape = shape->CreateNewCopy();
 536
 537   if (newShape->IsKindOf(CLASSINFO(wxPolygonShape)))
 538   {
 539     wxPolygonControlPoint* ppt = (wxPolygonControlPoint*) pt;
 540     newShape->SetSize(ppt->GetNewSize().x, ppt->GetNewSize().y);
 541
 542     ((wxPolygonShape *)newShape)->CalculateBoundingBox();
 543     ((wxPolygonShape *)newShape)->CalculatePolygonCentre();
 544     newShape->ResetControlPoints();
 545   }
 546   else
 547   {
 548     newShape->SetSize(pt->sm_controlPointDragEndWidth, pt->sm_controlPointDragEndHeight);
 549     if (shape->GetCentreResize())
 550     {
 551       // Old position is fine
 552     }
 553     else
 554     {
 555       newShape->SetX(pt->sm_controlPointDragPosX);
 556       newShape->SetY(pt->sm_controlPointDragPosY);
 557     }
 558   }
 559
 560   csDiagramCommand* cmd = new csDiagramCommand("Size", (csDiagramDocument*)canvas->GetView()->GetDocument(),
 561                 new csCommandState(ID_CS_SIZE, newShape, shape));
 562
 563   canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
 564
 565 }
 566
 567 void csEvtHandler::OnEndSize(double x, double y)
 568 {
 569   wxClientDC dc(GetShape()->GetCanvas());
 570   GetShape()->GetCanvas()->PrepareDC(dc);
 571
 572   GetShape()->FormatText(dc, m_label);
 573 }
 574
 575 void csEvtHandler::OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering)
 576 {
 577     csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
 578
 579     // We actually submit two different states: one to change the ordering, and another
 580     // to change the attachment for the line.
 581     // Problem. If we refresh after the attachment change, we'll get a flicker.
 582     // We really want to do both in a oner.
 583
 584     csDiagramCommand* cmd = new csDiagramCommand("Change attachment", (csDiagramDocument*)canvas->GetView()->GetDocument());
 585
 586     wxLineShape* newLine = (wxLineShape*) line->CreateNewCopy();
 587     if (line->GetTo() == GetShape())
 588         newLine->SetAttachmentTo(attachment);
 589     else
 590         newLine->SetAttachmentFrom(attachment);
 591
 592     cmd->AddState(new csCommandState(ID_CS_CHANGE_LINE_ATTACHMENT, newLine, line));
 593
 594     // Change ordering
 595     wxShape* newShape = GetShape()->CreateNewCopy();
 596     newShape->ApplyAttachmentOrdering(ordering);
 597
 598     cmd->AddState(new csCommandState(ID_CS_CHANGE_LINE_ORDERING, newShape, GetShape()));
 599
 600     canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
 601 }
 602
 603 void csEvtHandler::OnLeftDoubleClick(double x, double y, int keys, int attachment)
 604 {
 605     EditProperties();
 606 }
 607
 608 // Popup up a property dialog
 609 bool csEvtHandler::EditProperties()
 610 {
 611     wxShape* shape = GetShape();
 612
 613     // For now, no line property editing
 614     if (shape->IsKindOf(CLASSINFO(wxLineShape)))
 615         return FALSE;
 616
 617     csDiagramView* view = ((csCanvas*)shape->GetCanvas())->GetView();
 618
 619     wxPanel* attributeDialog;
 620     wxString attributeDialogName;
 621     wxString title;
 622
 623     if (shape->IsKindOf(CLASSINFO(csThinRectangleShape)))
 624     {
 625         attributeDialog = new csThinRectangleDialog;
 626         attributeDialogName = "thin_rectangle";
 627         title = "Thin Rectangle Properties";
 628     }
 629     else if (shape->IsKindOf(CLASSINFO(csWideRectangleShape)))
 630     {
 631         attributeDialog = new csWideRectangleDialog;
 632         attributeDialogName = "wide_rectangle";
 633         title = "Wide Rectangle Properties";
 634     }
 635     else if (shape->IsKindOf(CLASSINFO(csTriangleShape)))
 636     {
 637         attributeDialog = new csTriangleDialog;
 638         attributeDialogName = "triangle";
 639         title = "Triangle Properties";
 640     }
 641     else if (shape->IsKindOf(CLASSINFO(csSemiCircleShape)))
 642     {
 643         attributeDialog = new csSemiCircleDialog;
 644         attributeDialogName = "semi_circle";
 645         title = "Semicircle Properties";
 646     }
 647     else if (shape->IsKindOf(CLASSINFO(csCircleShape)))
 648     {
 649         attributeDialog = new csCircleDialog;
 650         attributeDialogName = "circle";
 651         title = "Circle Properties";
 652     }
 653     else if (shape->IsKindOf(CLASSINFO(csCircleShadowShape)))
 654     {
 655         attributeDialog = new csCircleShadowDialog;
 656         attributeDialogName = "circle_shadow";
 657         title = "Circle Shadow Properties";
 658     }
 659     else if (shape->IsKindOf(CLASSINFO(csTextBoxShape)))
 660     {
 661         attributeDialog = new csTextBoxDialog;
 662         attributeDialogName = "text_box";
 663         title = "Text Box Properties";
 664     }
 665     else if (shape->IsKindOf(CLASSINFO(csGroupShape)))
 666     {
 667         attributeDialog = new csGroupDialog;
 668         attributeDialogName = "group";
 669         title = "Group Properties";
 670     }
 671     else if (shape->IsKindOf(CLASSINFO(csOctagonShape)))
 672     {
 673         attributeDialog = new csOctagonDialog;
 674         attributeDialogName = "octagon";
 675         title = "Octagon Properties";
 676     }
 677     else
 678     {
 679         wxMessageBox("Unrecognised shape.", "Studio", wxICON_EXCLAMATION);
 680         return FALSE;
 681     }
 682
 683     csShapePropertiesDialog* dialog = new csShapePropertiesDialog(shape->GetCanvas()->GetParent(), title, attributeDialog, attributeDialogName);
 684     dialog->GetGeneralPropertiesDialog()->SetShapeLabel(m_label);
 685     if (dialog->ShowModal() == wxID_CANCEL)
 686     {
 687         dialog->Destroy();
 688         return FALSE;
 689     }
 690
 691     wxString newLabel = dialog->GetGeneralPropertiesDialog()->GetShapeLabel();
 692     dialog->Destroy();
 693
 694     wxShape* newShape = shape->CreateNewCopy();
 695
 696     csEvtHandler* handler2 = (csEvtHandler *)newShape->GetEventHandler();
 697     handler2->m_label = newLabel;
 698
 699     view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit properties", (csDiagramDocument*) view->GetDocument(),
 700                 new csCommandState(ID_CS_EDIT_PROPERTIES, newShape, shape)));
 701
 702     return TRUE;
 703 }
 704
 705 /*
 706  * Diagram
 707  */
 708
 709 bool csDiagram::OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr)
 710 {
 711   wxDiagram::OnShapeSave(db, shape, expr);
 712   csEvtHandler *handler = (csEvtHandler *)shape.GetEventHandler();
 713   expr.AddAttributeValueString("label", handler->m_label);
 714   return TRUE;
 715 }
 716
 717 bool csDiagram::OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr)
 718 {
 719   wxDiagram::OnShapeLoad(db, shape, expr);
 720   wxString label("");
 721   expr.GetAttributeValue("label", label);
 722   csEvtHandler *handler = new csEvtHandler(&shape, &shape, label);
 723   shape.SetEventHandler(handler);
 724
 725   return TRUE;
 726 }
 727
 728 IMPLEMENT_DYNAMIC_CLASS(csThinRectangleShape, wxDrawnShape)
 729
 730 csThinRectangleShape::csThinRectangleShape()
 731 {
 732     SetDrawnPen(wxBLACK_PEN);
 733     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 734     SetDrawnBrush(brush);
 735
 736     double w = csSTANDARD_SHAPE_WIDTH/2;
 737     double h = csSTANDARD_SHAPE_WIDTH;
 738
 739     DrawRectangle(wxRect(- w/2, - h/2, w, h));
 740     CalculateSize();
 741
 742     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 743     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 744     SetCentreResize(FALSE);
 745 }
 746
 747 IMPLEMENT_DYNAMIC_CLASS(csWideRectangleShape, wxDrawnShape)
 748
 749 csWideRectangleShape::csWideRectangleShape()
 750 {
 751     SetDrawnPen(wxBLACK_PEN);
 752     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 753     SetDrawnBrush(brush);
 754
 755     double w = csSTANDARD_SHAPE_WIDTH;
 756     double h = w/2.0;
 757
 758     DrawRoundedRectangle(wxRect(- w/2, - h/2, w, h), -0.3);
 759     CalculateSize();
 760
 761     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 762     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 763     SetCentreResize(FALSE);
 764 }
 765
 766 IMPLEMENT_DYNAMIC_CLASS(csTriangleShape, wxDrawnShape)
 767
 768 csTriangleShape::csTriangleShape()
 769 {
 770     SetDrawnPen(wxBLACK_PEN);
 771     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 772     SetDrawnBrush(brush);
 773
 774     double w = csSTANDARD_SHAPE_WIDTH;
 775     double h = (csSTANDARD_SHAPE_WIDTH*2.0)/3.0;
 776
 777     // Triangle, from top vertex
 778     wxPoint* points = new wxPoint[3];
 779
 780
 781     points[0] = wxPoint( 0 ,  - h / 2 );
 782     points[1] = wxPoint( w / 2 ,  h / 2 );
 783     points[2] = wxPoint( -w / 2,  h / 2 );
 784
 785     DrawPolygon(3, points, oglMETAFLAGS_OUTLINE);
 786
 787     delete[] points;
 788
 789     // Add another triangle at the top for the black bit
 790     SetDrawnBrush(wxBLACK_BRUSH);
 791
 792     points = new wxPoint[3];
 793
 794     // Calculate where the new points will be, using the proportions
 795     // of the triangle.
 796     double h1 = 8; // Height of little triangle.
 797
 798     /*
 799         Formula: ((w/2) / h) = w1 / h1
 800         w1 = ((w/2) / h) * h1;
 801     */
 802     double ratio = ((w/2.0) / h) ;
 803     double w1 = ratio * h1;
 804
 805     points[0] = wxPoint(0  ,  (int) (- h / 2 ));
 806     points[1] = wxPoint( (int) w1,  (int) (- h / 2 + h1));
 807     points[2] = wxPoint( (int) -w1, (int) (- h / 2 + h1));
 808
 809     DrawPolygon(3, points);
 810
 811     delete[] points;
 812
 813     CalculateSize();
 814
 815     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 816     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 817     SetCentreResize(FALSE);
 818 }
 819
 820 IMPLEMENT_DYNAMIC_CLASS(csSemiCircleShape, wxDrawnShape)
 821
 822 csSemiCircleShape::csSemiCircleShape()
 823 {
 824     // Zero degrees
 825     DrawAtAngle(oglDRAWN_ANGLE_0);
 826
 827     double w = csSTANDARD_SHAPE_WIDTH;
 828     double h = w/2.0;
 829
 830     SetDrawnPen(wxTRANSPARENT_PEN);
 831     SetDrawnBrush(wxTRANSPARENT_BRUSH);
 832
 833     // Draw a dummy rectangle that will be used for calculating the
 834     // bounding box, since we can't calculate the bounding box for
 835     // an arbitrary arc (not implemented)
 836
 837     DrawRectangle(wxRect(-w/2.0, -h/2.0, w, h));
 838
 839     SetDrawnPen(wxBLACK_PEN);
 840     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 841     SetDrawnBrush(brush);
 842
 843     DrawEllipticArc(wxRect(-w/2, -h/2, w, 2*h), 0.0, 180.0);
 844     DrawLine(wxPoint(-w/2, h/2), wxPoint(w/2, h/2));
 845
 846     CalculateSize();
 847
 848     /// 90 degrees
 849
 850     w = csSTANDARD_SHAPE_WIDTH/2;
 851     h = csSTANDARD_SHAPE_WIDTH;
 852
 853     DrawAtAngle(oglDRAWN_ANGLE_90);
 854
 855     SetDrawnPen(wxTRANSPARENT_PEN);
 856     SetDrawnBrush(wxTRANSPARENT_BRUSH);
 857
 858     DrawRectangle(wxRect(-w/2, -h/2, w, h));
 859
 860     SetDrawnPen(wxBLACK_PEN);
 861     SetDrawnBrush(brush);
 862
 863     DrawEllipticArc(wxRect(-w/2 - w, -h/2, 2*w, h), 270.0, 90.0);
 864     DrawLine(wxPoint(-w/2, -h/2), wxPoint(-w/2, h/2));
 865
 866     CalculateSize();
 867
 868     /// 180 degrees
 869
 870     DrawAtAngle(oglDRAWN_ANGLE_180);
 871
 872     w = csSTANDARD_SHAPE_WIDTH;
 873     h = csSTANDARD_SHAPE_WIDTH/2;
 874
 875     SetDrawnPen(wxTRANSPARENT_PEN);
 876     SetDrawnBrush(wxTRANSPARENT_BRUSH);
 877
 878     DrawRectangle(wxRect(-w/2, -h/2, w, h));
 879
 880     SetDrawnPen(wxBLACK_PEN);
 881     SetDrawnBrush(brush);
 882
 883     DrawEllipticArc(wxRect(-w/2, -h/2 - h, w, 2*h), 180.0, 0.0);
 884     DrawLine(wxPoint(-w/2, -h/2), wxPoint(w/2, -h/2));
 885
 886     CalculateSize();
 887
 888     /// 270 degrees
 889
 890     DrawAtAngle(oglDRAWN_ANGLE_270);
 891
 892     w = csSTANDARD_SHAPE_WIDTH/2;
 893     h = csSTANDARD_SHAPE_WIDTH;
 894
 895     SetDrawnPen(wxTRANSPARENT_PEN);
 896     SetDrawnBrush(wxTRANSPARENT_BRUSH);
 897
 898     DrawRectangle(wxRect(-w/2, -h/2, w, h));
 899
 900     SetDrawnPen(wxBLACK_PEN);
 901     SetDrawnBrush(brush);
 902
 903     DrawEllipticArc(wxRect(-w/2, -h/2, 2*w, h), 90.0, 270.0);
 904     DrawLine(wxPoint(w/2, -h/2), wxPoint(w/2, h/2));
 905
 906     CalculateSize();
 907
 908     // Reset to zero
 909     DrawAtAngle(oglDRAWN_ANGLE_0);
 910     CalculateSize();
 911
 912     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 913     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 914     SetCentreResize(FALSE);
 915 }
 916
 917 IMPLEMENT_DYNAMIC_CLASS(csCircleShape, wxCircleShape)
 918
 919 csCircleShape::csCircleShape()
 920 {
 921     SetPen(wxBLACK_PEN);
 922     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 923     SetBrush(brush);
 924
 925     SetSize(csSTANDARD_SHAPE_WIDTH*0.6, csSTANDARD_SHAPE_WIDTH*0.6);
 926
 927     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 928     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 929     SetCentreResize(FALSE);
 930 }
 931
 932 IMPLEMENT_DYNAMIC_CLASS(csCircleShadowShape, wxCircleShape)
 933
 934 csCircleShadowShape::csCircleShadowShape()
 935 {
 936     SetPen(wxBLACK_PEN);
 937     wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
 938     SetBrush(brush);
 939
 940     SetSize(csSTANDARD_SHAPE_WIDTH*0.6, csSTANDARD_SHAPE_WIDTH*0.6);
 941
 942     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 943     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 944     SetCentreResize(FALSE);
 945     SetShadowMode(SHADOW_RIGHT);
 946 }
 947
 948 IMPLEMENT_DYNAMIC_CLASS(csOctagonShape, wxPolygonShape)
 949
 950 csOctagonShape::csOctagonShape()
 951 {
 952     SetPen(wxBLACK_PEN);
 953     SetBrush(wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID));
 954
 955     double w = csSTANDARD_SHAPE_WIDTH*0.5;
 956     double h = csSTANDARD_SHAPE_WIDTH*0.5;
 957
 958     double prop = h/3.0;
 959
 960     wxList* points = new wxList;
 961     points->Append((wxObject*) new wxRealPoint(-w/2.0 + prop, -h/2.0));
 962     points->Append((wxObject*) new wxRealPoint(w/2.0 - prop, -h/2.0));
 963     points->Append((wxObject*) new wxRealPoint(w/2.0, -h/2.0 + prop));
 964     points->Append((wxObject*) new wxRealPoint(w/2.0, h/2.0 - prop));
 965     points->Append((wxObject*) new wxRealPoint(w/2.0 - prop, h/2.0));
 966     points->Append((wxObject*) new wxRealPoint(-w/2.0 + prop, h/2.0));
 967     points->Append((wxObject*) new wxRealPoint(-w/2.0, h/2.0 - prop));
 968     points->Append((wxObject*) new wxRealPoint(-w/2.0, -h/2.0 + prop));
 969
 970     Create(points);
 971
 972     SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
 973     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
 974     SetCentreResize(FALSE);
 975 }
 976
 977 // This is a transparent shape for drawing around other shapes.
 978 IMPLEMENT_DYNAMIC_CLASS(csGroupShape, wxRectangleShape)
 979
 980 csGroupShape::csGroupShape()
 981 {
 982     SetPen(wxThePenList->FindOrCreatePen("BLACK", 1, wxDOT));
 983     SetBrush(wxTRANSPARENT_BRUSH);
 984
 985     SetSize(csSTANDARD_SHAPE_WIDTH, csSTANDARD_SHAPE_WIDTH);
 986     SetCentreResize(FALSE);
 987 }
 988
 989 void csGroupShape::OnDraw(wxDC& dc)
 990 {
 991     wxRectangleShape::OnDraw(dc);
 992 }
 993
 994 // Must modify the hit-test so it doesn't obscure shapes that are inside.
 995 bool csGroupShape::HitTest(double x, double y, int* attachment, double* distance)
 996 {
 997     *attachment = 0;
 998     *distance = 0.0;
 999
1000     double width = 0.0, height = 0.0;
1001     GetBoundingBoxMin(&width, &height);
1002
1003     double x1 = GetX() - (width/2.0);
1004     double y1 = GetY() - (height/2.0);
1005     double x2 = GetX() + (width/2.0);
1006     double y2 = GetY() + (height/2.0);
1007
1008     double edgeTolerance = 4.0;
1009
1010     // Test each edge in turn
1011
1012     // Top/bottom edges
1013     if (x >= x1 && x <= x2)
1014     {
1015         if ((y >= y1 - edgeTolerance) && (y <= y1 + edgeTolerance))
1016             return TRUE;
1017         if ((y <= y2 + edgeTolerance) && (y >= y2 - edgeTolerance))
1018             return TRUE;
1019     }
1020     // Left/right edges
1021     if (y >= y1 && y <= y2)
1022     {
1023         if ((x >= x1 - edgeTolerance) && (x <= x1 + edgeTolerance))
1024             return TRUE;
1025         if ((x <= x2 + edgeTolerance) && (x >= x2 - edgeTolerance))
1026             return TRUE;
1027     }
1028
1029     return FALSE;
1030 }
1031
1032 IMPLEMENT_DYNAMIC_CLASS(csTextBoxShape, wxRectangleShape)
1033
1034 csTextBoxShape::csTextBoxShape()
1035 {
1036     SetPen(wxTRANSPARENT_PEN);
1037     SetBrush(wxTRANSPARENT_BRUSH);
1038
1039     SetSize(csSTANDARD_SHAPE_WIDTH, csSTANDARD_SHAPE_WIDTH/2.0);
1040
1041     SetAttachmentMode(ATTACHMENT_MODE_NONE);
1042     SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
1043     SetCentreResize(FALSE);
1044 }
1045
1046 IMPLEMENT_DYNAMIC_CLASS(csLineShape, wxLineShape)
1047
1048 csLineShape::csLineShape()
1049 {
1050 }
1051
1052 bool csLineShape::OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt)
1053 {
1054     csDiagramView* view = ((csCanvas*)GetCanvas())->GetView();
1055
1056     // Temporarily set the new shape properties so we can copy it
1057     lpt->SetX(pt.x); lpt->SetY(pt.y);
1058     lpt->m_point->x = pt.x; lpt->m_point->y = pt.y;
1059
1060     wxLineShape* newShape = (wxLineShape*) this->CreateNewCopy();
1061
1062     // Now set them back again
1063     lpt->SetX(lpt->m_originalPos.x); lpt->SetY(lpt->m_originalPos.y);
1064     lpt->m_point->x = lpt->m_originalPos.x; lpt->m_point->y = lpt->m_originalPos.y;
1065
1066     view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Move line point", (csDiagramDocument*) view->GetDocument(),
1067                 new csCommandState(ID_CS_MOVE_LINE_POINT, newShape, this)));
1068
1069     return TRUE;
1070 }
1071
1072 wxLabelShape* csLineShape::OnCreateLabelShape(wxLineShape *parent, wxShapeRegion *region, double w, double h)
1073 {
1074     return new csLabelShape(parent, region, w, h);
1075 }
1076
1077 #if 0
1078 bool csLineShape::OnLabelMovePre(wxDC& dc, wxLabelShape* labelShape, double x, double y, double old_x, double old_y, bool display)
1079 {
1080     csDiagramView* view = ((csCanvas*)GetCanvas())->GetView();
1081
1082     wxLineShape* newShape = (wxLineShape*) this->CreateNewCopy();
1083
1084     wxLineShape::OnLabelMovePre(dc, labelShape, x, y, old_x, old_y, display);
1085
1086     view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Move label", (csDiagramDocument*) view->GetDocument(),
1087                 new csCommandState(ID_CS_MOVE_LABEL, newShape, this)));
1088   return TRUE;
1089 }
1090 #endif
1091
1092 IMPLEMENT_DYNAMIC_CLASS(csLabelShape, wxLabelShape)
1093
1094 csLabelShape::csLabelShape(wxLineShape *parent, wxShapeRegion *region, double w, double h):
1095   wxLabelShape(parent, region, w, h)
1096 {
1097 }
1098
1099 // TODO: not sure how intercept normal behaviour (OnMovePre) to make
1100 // label movement undo-able.
1101 void csLabelShape::OnEndDragLeft(double x, double y, int keys, int attachment)
1102 {
1103     wxLabelShape::OnEndDragLeft(x, y, keys, attachment);
1104 }
1105
1106
1107 // Menu for editing shapes
1108 void studioShapeEditProc(wxMenu& menu, wxCommandEvent& event)
1109 {
1110     wxShape* shape = (wxShape*) menu.GetClientData();
1111     csDiagramView* view = ((csCanvas*)shape->GetCanvas())->GetView();
1112
1113     switch (event.GetId())
1114     {
1115         case ID_CS_EDIT_PROPERTIES:
1116         {
1117             csEvtHandler* handler1 = (csEvtHandler *)shape->GetEventHandler();
1118             handler1->EditProperties();
1119 #if 0
1120             csEvtHandler* handler1 = (csEvtHandler *)shape->GetEventHandler();
1121             csLabelEditingDialog* dialog = new csLabelEditingDialog(shape->GetCanvas()->GetParent());
1122             dialog->SetShapeLabel(handler1->m_label);
1123             if (dialog->ShowModal() == wxID_CANCEL)
1124             {
1125                 dialog->Destroy();
1126                 return;
1127             }
1128
1129             wxString newLabel = dialog->GetShapeLabel();
1130             dialog->Destroy();
1131
1132             wxShape* newShape = shape->CreateNewCopy();
1133
1134             csEvtHandler* handler2 = (csEvtHandler *)newShape->GetEventHandler();
1135             handler2->m_label = newLabel;
1136
1137             view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit label", (csDiagramDocument*) view->GetDocument(),
1138                 new csCommandState(ID_CS_EDIT_LABEL, newShape, shape)));
1139 #endif
1140             break;
1141         }
1142         case wxID_CUT:
1143         {
1144             wxList list;
1145             list.Append(shape);
1146             view->DoCut(list);
1147             break;
1148         }
1149         case ID_CS_ROTATE_CLOCKWISE:
1150         case ID_CS_ROTATE_ANTICLOCKWISE:
1151         {
1152             if (shape->IsKindOf(CLASSINFO(wxLineShape)))
1153                 break;
1154
1155             double theta = shape->GetRotation();
1156             const double myPi = 3.1415926535897932384626433832795 ;
1157             double ninetyDegrees = myPi/2.0;
1158
1159             wxString opStr;
1160             if (event.GetId() == ID_CS_ROTATE_CLOCKWISE)
1161             {
1162                 theta += ninetyDegrees;
1163                 opStr = "Rotate clockwise";
1164             }
1165             else
1166             {
1167                 theta -= ninetyDegrees;
1168                 opStr = "Rotate anticlockwise";
1169             }
1170
1171             if (theta >= 2.0*myPi || theta < 0.0)
1172                 theta = 0.0;
1173             wxShape* newShape = shape->CreateNewCopy();
1174             newShape->Rotate(0.0, 0.0, theta);
1175             wxList newShapes;
1176             wxList oldShapes;
1177             newShapes.Append(newShape);
1178             oldShapes.Append(shape);
1179             view->DoCmd(newShapes, oldShapes, event.GetId(), opStr);
1180             break;
1181         }
1182         default:
1183             break;
1184     }
1185 }
1186
1187 BEGIN_EVENT_TABLE(ShapeEditMenu, wxMenu)
1188     EVT_COMMAND_RANGE(1, 65000, wxEVT_COMMAND_MENU_SELECTED, ShapeEditMenu::OnCommand)
1189 END_EVENT_TABLE()
1190
1191 void ShapeEditMenu::OnCommand(wxCommandEvent& event)
1192 {
1193     studioShapeEditProc(*this, event);
1194 }
1195