src/generic/splitter.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        splitter.cpp
   3 // Purpose:     wxSplitterWindow implementation
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "splitter.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 #include <math.h>
  28 #include <stdlib.h>
  29
  30 #include "wx/string.h"
  31 #include "wx/splitter.h"
  32 #include "wx/dcscreen.h"
  33
  34 #if !USE_SHARED_LIBRARY
  35 IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
  36
  37 BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow)
  38     EVT_PAINT(wxSplitterWindow::OnPaint)
  39     EVT_SIZE(wxSplitterWindow::OnSize)
  40     EVT_MOUSE_EVENTS(wxSplitterWindow::OnMouseEvent)
  41 END_EVENT_TABLE()
  42 #endif
  43
  44 wxSplitterWindow::wxSplitterWindow()
  45 {
  46     m_splitMode = wxSPLIT_VERTICAL;
  47     m_windowOne = (wxWindow *) NULL;
  48     m_windowTwo = (wxWindow *) NULL;
  49     m_dragMode = wxSPLIT_DRAG_NONE;
  50     m_oldX = 0;
  51     m_oldY = 0;
  52     m_firstX = 0;
  53     m_firstY = 0;
  54     m_sashSize = 7;
  55     m_borderSize = 2;
  56     m_sashPosition = 0;
  57     m_sashCursorWE = (wxCursor *) NULL;
  58     m_sashCursorNS = (wxCursor *) NULL;
  59     m_sashTrackerPen = (wxPen *) NULL;
  60     m_lightShadowPen = (wxPen *) NULL;
  61     m_mediumShadowPen = (wxPen *) NULL;
  62     m_darkShadowPen = (wxPen *) NULL;
  63     m_faceBrush = (wxBrush *) NULL;
  64     m_facePen = (wxPen *) NULL;
  65     m_hilightPen = (wxPen *) NULL;
  66     m_minimumPaneSize = 0;
  67 }
  68
  69 wxSplitterWindow::wxSplitterWindow(wxWindow *parent, wxWindowID id,
  70                                    const wxPoint& pos,
  71                                    const wxSize& size,
  72                                    long style,
  73                                    const wxString& name)
  74                 : wxWindow(parent, id, pos, size, style, name)
  75 {
  76     m_splitMode = wxSPLIT_VERTICAL;
  77     m_windowOne = (wxWindow *) NULL;
  78     m_windowTwo = (wxWindow *) NULL;
  79     m_dragMode = wxSPLIT_DRAG_NONE;
  80     m_oldX = 0;
  81     m_oldY = 0;
  82     m_firstX = 0;
  83     m_firstY = 0;
  84     m_sashSize = 7;
  85     m_borderSize = 2;
  86     m_sashPosition = 0;
  87     m_minimumPaneSize = 0;
  88     m_sashCursorWE = new wxCursor(wxCURSOR_SIZEWE);
  89     m_sashCursorNS = new wxCursor(wxCURSOR_SIZENS);
  90     m_sashTrackerPen = new wxPen(*wxBLACK, 2, wxSOLID);
  91     m_lightShadowPen = (wxPen *) NULL;
  92     m_mediumShadowPen = (wxPen *) NULL;
  93     m_darkShadowPen = (wxPen *) NULL;
  94     m_faceBrush = (wxBrush *) NULL;
  95     m_facePen = (wxPen *) NULL;
  96     m_hilightPen = (wxPen *) NULL;
  97
  98     if ( style & wxSP_3D )
  99     {
 100         m_borderSize = 2;
 101         m_sashSize = 7;
 102     }
 103     else if ( style & wxSP_BORDER )
 104     {
 105         m_borderSize = 1;
 106         m_sashSize = 3;
 107     }
 108     else
 109     {
 110         m_borderSize = 0;
 111         m_sashSize = 3;
 112     }
 113
 114     // Eventually, we'll respond to colour change messages
 115     InitColours();
 116
 117     // For debugging purposes, to see the background.
 118 //    SetBackground(wxBLUE_BRUSH);
 119 }
 120
 121 wxSplitterWindow::~wxSplitterWindow()
 122 {
 123     delete m_sashCursorWE;
 124     delete m_sashCursorNS;
 125     delete m_sashTrackerPen;
 126     delete m_lightShadowPen;
 127     delete m_darkShadowPen;
 128     delete m_mediumShadowPen;
 129     delete m_hilightPen;
 130     delete m_facePen;
 131     delete m_faceBrush;
 132 }
 133
 134 void wxSplitterWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 135 {
 136     wxPaintDC dc(this);
 137
 138     if ( m_borderSize > 0 )
 139         DrawBorders(dc);
 140     DrawSash(dc);
 141 }
 142
 143 void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
 144 {
 145     long x, y;
 146     event.Position(&x, &y);
 147
 148     // reset the cursor
 149 #ifdef __WXMOTIF__
 150     SetCursor(* wxSTANDARD_CURSOR);
 151 #else
 152     SetCursor(wxCursor());
 153 #endif
 154
 155     if (event.LeftDown())
 156     {
 157         if ( SashHitTest(x, y) )
 158         {
 159             CaptureMouse();
 160
 161             m_dragMode = wxSPLIT_DRAG_DRAGGING;
 162
 163             DrawSashTracker(x, y);
 164             m_oldX = x;
 165             m_oldY = y;
 166             return;
 167         }
 168     }
 169     else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING)
 170     {
 171         // We can stop dragging now and see what we've got.
 172         m_dragMode = wxSPLIT_DRAG_NONE;
 173         ReleaseMouse();
 174
 175         // Erase old tracker
 176         DrawSashTracker(m_oldX, m_oldY);
 177
 178         int w, h;
 179         GetClientSize(&w, &h);
 180         if ( m_splitMode == wxSPLIT_VERTICAL )
 181         {
 182             if ( !OnSashPositionChange(x) )
 183                 return;
 184
 185             if ( x <= 4 )
 186             {
 187                 // We remove the first window from the view
 188                 wxWindow *removedWindow = m_windowOne;
 189                 m_windowOne = m_windowTwo;
 190                 m_windowTwo = (wxWindow *) NULL;
 191
 192                 OnUnsplit(removedWindow);
 193                 m_sashPosition = 0;
 194             }
 195             else if ( x >= (w - 4) )
 196             {
 197                 // We remove the second window from the view
 198                 wxWindow *removedWindow = m_windowTwo;
 199                 m_windowTwo = (wxWindow *) NULL;
 200                 OnUnsplit(removedWindow);
 201                 m_sashPosition = 0;
 202             }
 203             else
 204             {
 205                 m_sashPosition = x;
 206             }
 207         }
 208         else  // m_splitMode == wxSPLIT_VERTICAL
 209         {
 210             if ( !OnSashPositionChange(y) )
 211                 return;
 212
 213             if ( y <= 4 )
 214             {
 215                 // We remove the first window from the view
 216                 wxWindow *removedWindow = m_windowOne;
 217                 m_windowOne = m_windowTwo;
 218                 m_windowTwo = (wxWindow *) NULL;
 219
 220                 OnUnsplit(removedWindow);
 221                 m_sashPosition = 0;
 222             }
 223             else if ( y >= (h - 4) )
 224             {
 225                 // We remove the second window from the view
 226                 wxWindow *removedWindow = m_windowTwo;
 227                 m_windowTwo = (wxWindow *) NULL;
 228                 OnUnsplit(removedWindow);
 229                 m_sashPosition = 0;
 230             }
 231             else
 232             {
 233                 m_sashPosition = y;
 234             }
 235         } // m_splitMode == wxSPLIT_VERTICAL
 236         SizeWindows();
 237     }  // left up && dragging
 238     else if (event.Moving() && !event.Dragging())
 239     {
 240         // Just change the cursor if required
 241         if ( SashHitTest(x, y) )
 242         {
 243                 if ( m_splitMode == wxSPLIT_VERTICAL )
 244                 {
 245                     SetCursor(*m_sashCursorWE);
 246                 }
 247                 else
 248                 {
 249                     SetCursor(*m_sashCursorNS);
 250                 }
 251         }
 252     }
 253     else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
 254     {
 255         // Erase old tracker
 256         DrawSashTracker(m_oldX, m_oldY);
 257
 258         // Draw new one
 259         DrawSashTracker(x, y);
 260
 261         m_oldX = x;
 262         m_oldY = y;
 263     }
 264     else if ( event.LeftDClick() )
 265     {
 266         OnDoubleClickSash(x, y);
 267     }
 268 }
 269
 270 void wxSplitterWindow::OnSize(wxSizeEvent& WXUNUSED(event))
 271 {
 272     int cw, ch;
 273     GetClientSize( &cw, &ch );
 274     if ( m_windowTwo )
 275     {
 276         if ( m_splitMode == wxSPLIT_VERTICAL )
 277         {
 278             if ( m_sashPosition >= (cw - 5) )
 279                 m_sashPosition = wxMax(10, cw - 40);
 280         }
 281         if ( m_splitMode == wxSPLIT_HORIZONTAL )
 282         {
 283             if ( m_sashPosition >= (ch - 5) )
 284                 m_sashPosition = wxMax(10, ch - 40);
 285         }
 286     }
 287     SizeWindows();
 288 }
 289
 290 bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
 291 {
 292     if ( m_windowTwo == NULL || m_sashPosition == 0)
 293         return FALSE; // No sash
 294
 295     if ( m_splitMode == wxSPLIT_VERTICAL )
 296     {
 297         if ( (x >= m_sashPosition - tolerance) && (x <= m_sashPosition + m_sashSize + tolerance) )
 298             return TRUE;
 299         else
 300             return FALSE;
 301     }
 302     else
 303     {
 304         if ( (y >= (m_sashPosition- tolerance)) && (y <= (m_sashPosition + m_sashSize + tolerance)) )
 305             return TRUE;
 306         else
 307             return FALSE;
 308     }
 309
 310     return FALSE;
 311 }
 312
 313 // Draw 3D effect borders
 314 void wxSplitterWindow::DrawBorders(wxDC& dc)
 315 {
 316     int w, h;
 317     GetClientSize(&w, &h);
 318
 319     if ( GetWindowStyleFlag() & wxSP_3D )
 320     {
 321         dc.SetPen(*m_mediumShadowPen);
 322         dc.DrawLine(0, 0, w-1, 0);
 323         dc.DrawLine(0, 0, 0, h - 1);
 324
 325         dc.SetPen(*m_darkShadowPen);
 326         dc.DrawLine(1, 1, w-2, 1);
 327         dc.DrawLine(1, 1, 1, h-2);
 328
 329         dc.SetPen(*m_hilightPen);
 330         dc.DrawLine(0, h-1, w-1, h-1);
 331         dc.DrawLine(w-1, 0, w-1, h); // Surely the maximum y pos. should be h - 1.
 332                                      /// Anyway, h is required for MSW.
 333
 334         dc.SetPen(*m_lightShadowPen);
 335         dc.DrawLine(w-2, 1, w-2, h-2); // Right hand side
 336         dc.DrawLine(1, h-2, w-1, h-2);     // Bottom
 337     }
 338     else if ( GetWindowStyleFlag() & wxSP_BORDER )
 339     {
 340         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 341         dc.SetPen(*wxBLACK_PEN);
 342         dc.DrawRectangle(0, 0, w-1, h-1);
 343     }
 344
 345     dc.SetPen(wxNullPen);
 346     dc.SetBrush(wxNullBrush);
 347 }
 348
 349 // Draw the sash
 350 void wxSplitterWindow::DrawSash(wxDC& dc)
 351 {
 352     if ( m_sashPosition == 0 || !m_windowTwo)
 353         return;
 354
 355     int w, h;
 356     GetClientSize(&w, &h);
 357
 358     if ( GetWindowStyleFlag() & wxSP_3D )
 359     {
 360         if ( m_splitMode == wxSPLIT_VERTICAL )
 361         {
 362             dc.SetPen(*m_facePen);
 363             dc.SetBrush(*m_faceBrush);
 364             dc.DrawRectangle(m_sashPosition + 2, 0, m_sashSize - 4, h);
 365
 366             dc.SetBrush(*wxTRANSPARENT_BRUSH);
 367
 368             dc.SetPen(*m_lightShadowPen);
 369             dc.DrawLine(m_sashPosition, 1, m_sashPosition, h-2);
 370
 371             dc.SetPen(*m_hilightPen);
 372             dc.DrawLine(m_sashPosition+1, 0, m_sashPosition+1, h);
 373
 374             dc.SetPen(*m_mediumShadowPen);
 375             dc.DrawLine(m_sashPosition+m_sashSize-2, 1, m_sashPosition+m_sashSize-2, h-1);
 376
 377             dc.SetPen(*m_darkShadowPen);
 378             dc.DrawLine(m_sashPosition+m_sashSize-1, 2, m_sashPosition+m_sashSize-1, h-2);
 379         }
 380         else
 381         {
 382             dc.SetPen(*m_facePen);
 383             dc.SetBrush(*m_faceBrush);
 384             dc.DrawRectangle(0, m_sashPosition + 2, w, m_sashSize - 4);
 385
 386             dc.SetBrush(*wxTRANSPARENT_BRUSH);
 387
 388             dc.SetPen(*m_lightShadowPen);
 389             dc.DrawLine(1, m_sashPosition, w-2, m_sashPosition);
 390
 391             dc.SetPen(*m_hilightPen);
 392             dc.DrawLine(0, m_sashPosition+1, w, m_sashPosition+1);
 393
 394             dc.SetPen(*m_mediumShadowPen);
 395             dc.DrawLine(1, m_sashPosition+m_sashSize-2, w-1, m_sashPosition+m_sashSize-2);
 396
 397             dc.SetPen(*m_darkShadowPen);
 398             dc.DrawLine(2, m_sashPosition+m_sashSize-1, w-2, m_sashPosition+m_sashSize-1);
 399         }
 400     }
 401     else
 402     {
 403         if ( m_splitMode == wxSPLIT_VERTICAL )
 404         {
 405             dc.SetPen(*wxBLACK_PEN);
 406             dc.SetBrush(*wxBLACK_BRUSH);
 407             int h1 = h-1;
 408             if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER )
 409                 h1 += 1; // Not sure why this is necessary...
 410             dc.DrawRectangle(m_sashPosition, 0, m_sashSize, h1);
 411         }
 412         else
 413         {
 414             dc.SetPen(*wxBLACK_PEN);
 415             dc.SetBrush(*wxBLACK_BRUSH);
 416             int w1 = w-1;
 417             if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER )
 418                 w1 ++;
 419
 420             dc.DrawRectangle(0, m_sashPosition, w1, m_sashSize);
 421         }
 422
 423     }
 424
 425     dc.SetPen(wxNullPen);
 426     dc.SetBrush(wxNullBrush);
 427 }
 428
 429 // Draw the sash tracker (for whilst moving the sash)
 430 void wxSplitterWindow::DrawSashTracker(int x, int y)
 431 {
 432     int w, h;
 433     GetClientSize(&w, &h);
 434
 435     wxScreenDC screenDC;
 436     int x1, y1;
 437     int x2, y2;
 438
 439     if ( m_splitMode == wxSPLIT_VERTICAL )
 440     {
 441         x1 = x; y1 = 2;
 442         x2 = x; y2 = h-2;
 443
 444         if ( x1 > w )
 445         {
 446             x1 = w; x2 = w;
 447         }
 448         else if ( x1 < 0 )
 449         {
 450             x1 = 0; x2 = 0;
 451         }
 452     }
 453     else
 454     {
 455         x1 = 2; y1 = y;
 456         x2 = w-2; y2 = y;
 457
 458         if ( y1 > h )
 459         {
 460             y1 = h;
 461             y2 = h;
 462         }
 463         else if ( y1 < 0 )
 464         {
 465             y1 = 0;
 466             y2 = 0;
 467         }
 468     }
 469
 470     ClientToScreen(&x1, &y1);
 471     ClientToScreen(&x2, &y2);
 472
 473     screenDC.SetLogicalFunction(wxXOR);
 474     screenDC.SetPen(*m_sashTrackerPen);
 475     screenDC.SetBrush(*wxTRANSPARENT_BRUSH);
 476
 477     screenDC.DrawLine(x1, y1, x2, y2);
 478
 479     screenDC.SetLogicalFunction(wxCOPY);
 480
 481     screenDC.SetPen(wxNullPen);
 482     screenDC.SetBrush(wxNullBrush);
 483 }
 484
 485 // Position and size subwindows.
 486 // Note that the border size applies to each subwindow, not
 487 // including the edges next to the sash.
 488 void wxSplitterWindow::SizeWindows()
 489 {
 490     int w, h;
 491     GetClientSize(&w, &h);
 492
 493     if ( m_windowOne && !m_windowTwo )
 494     {
 495         m_windowOne->SetSize(m_borderSize, m_borderSize, w - 2*m_borderSize, h - 2*m_borderSize);
 496     }
 497     else if ( m_windowOne && m_windowTwo )
 498     {
 499         if (m_splitMode == wxSPLIT_VERTICAL)
 500         {
 501             int x1 = m_borderSize;
 502             int y1 = m_borderSize;
 503             int w1 = m_sashPosition - m_borderSize;
 504             int h1 = h - 2*m_borderSize;
 505
 506             int x2 = m_sashPosition + m_sashSize;
 507             int y2 = m_borderSize;
 508             int w2 = w - 2*m_borderSize - m_sashSize - w1;
 509             int h2 = h - 2*m_borderSize;
 510
 511             m_windowOne->SetSize(x1, y1, w1, h1);
 512             m_windowTwo->SetSize(x2, y2, w2, h2);
 513         }
 514         else
 515         {
 516             m_windowOne->SetSize(m_borderSize, m_borderSize,
 517                 w - 2*m_borderSize, m_sashPosition - m_borderSize);
 518             m_windowTwo->SetSize(m_borderSize, m_sashPosition + m_sashSize,
 519                 w - 2*m_borderSize, h - 2*m_borderSize - m_sashSize - (m_sashPosition - m_borderSize));
 520         }
 521     }
 522     wxClientDC dc(this);
 523     DrawBorders(dc);
 524     DrawSash(dc);
 525 }
 526
 527 // Set pane for unsplit window
 528 void wxSplitterWindow::Initialize(wxWindow *window)
 529 {
 530     m_windowOne = window;
 531     m_windowTwo = (wxWindow *) NULL;
 532     m_sashPosition = 0;
 533 }
 534
 535 // Associates the given window with window 2, drawing the appropriate sash
 536 // and changing the split mode.
 537 // Does nothing and returns FALSE if the window is already split.
 538 bool wxSplitterWindow::SplitVertically(wxWindow *window1, wxWindow *window2, int sashPosition)
 539 {
 540     if ( IsSplit() )
 541         return FALSE;
 542
 543     int w, h;
 544     GetClientSize(&w, &h);
 545
 546     m_splitMode = wxSPLIT_VERTICAL;
 547     m_windowOne = window1;
 548     m_windowTwo = window2;
 549     if ( sashPosition > 0 )
 550         m_sashPosition = sashPosition;
 551     else if ( sashPosition < 0 )
 552         m_sashPosition = w - sashPosition;
 553     else    // default
 554         m_sashPosition = w/2;
 555
 556     SizeWindows();
 557
 558     return TRUE;
 559 }
 560
 561 bool wxSplitterWindow::SplitHorizontally(wxWindow *window1, wxWindow *window2, int sashPosition)
 562 {
 563     if ( IsSplit() )
 564         return FALSE;
 565
 566     int w, h;
 567     GetClientSize(&w, &h);
 568
 569     m_splitMode = wxSPLIT_HORIZONTAL;
 570     m_windowOne = window1;
 571     m_windowTwo = window2;
 572     if ( sashPosition > 0 )
 573         m_sashPosition = sashPosition;
 574     else if ( sashPosition < 0 )
 575         m_sashPosition = h - sashPosition;
 576     else    // default
 577         m_sashPosition = h/2;
 578
 579     SizeWindows();
 580
 581     return TRUE;
 582 }
 583
 584
 585 // Remove the specified (or second) window from the view
 586 // Doesn't actually delete the window.
 587 bool wxSplitterWindow::Unsplit(wxWindow *toRemove)
 588 {
 589     if ( ! IsSplit() )
 590         return FALSE;
 591
 592     wxWindow *win = NULL;
 593     if ( toRemove == NULL || toRemove == m_windowTwo)
 594     {
 595         win = m_windowTwo ;
 596         m_windowTwo = (wxWindow *) NULL;
 597     }
 598     else if ( toRemove == m_windowOne )
 599     {
 600         win = m_windowOne ;
 601         m_windowOne = m_windowTwo;
 602         m_windowTwo = (wxWindow *) NULL;
 603     }
 604     else
 605     {
 606         wxFAIL_MSG("splitter: attempt to remove a non-existent window");
 607
 608         return FALSE;
 609     }
 610
 611     OnUnsplit(win);
 612     m_sashPosition = 0;
 613     SizeWindows();
 614
 615     return TRUE;
 616 }
 617
 618 // Replace a window with another one
 619 bool wxSplitterWindow::ReplaceWindow(wxWindow *winOld, wxWindow *winNew)
 620 {
 621     wxCHECK_MSG( winOld, FALSE, "use one of Split() functions instead" );
 622     wxCHECK_MSG( winNew, FALSE, "use Unsplit() functions instead" );
 623
 624     if ( winOld == m_windowTwo )
 625     {
 626         m_windowTwo = winNew;
 627     }
 628     else if ( winOld == m_windowOne )
 629     {
 630         m_windowOne = winNew;
 631     }
 632     else
 633     {
 634         wxFAIL_MSG("splitter: attempt to replace a non-existent window");
 635
 636         return FALSE;
 637     }
 638
 639     SizeWindows();
 640
 641     return TRUE;
 642 }
 643
 644 void wxSplitterWindow::SetSashPosition(int position, bool redraw)
 645 {
 646     m_sashPosition = position;
 647
 648     if ( redraw )
 649     {
 650         SizeWindows();
 651     }
 652 }
 653
 654 bool wxSplitterWindow::OnSashPositionChange(int newSashPosition)
 655 {
 656   // is the left/upper pane too small?
 657   if ( newSashPosition < m_minimumPaneSize )
 658     return NULL;
 659
 660   // is the right/lower pane too small?
 661   int w, h;
 662   GetClientSize(&w, &h);
 663
 664   if ( m_splitMode == wxSPLIT_VERTICAL )
 665   {
 666     if ( w - newSashPosition < m_minimumPaneSize )
 667       return FALSE;
 668   }
 669   else // m_splitMode = wxSPLIT_HORIZONTAL
 670   {
 671     if ( h - newSashPosition < m_minimumPaneSize )
 672       return FALSE;
 673   }
 674
 675   // it's ok to move sash
 676   return TRUE;
 677 }
 678
 679 // Called when the sash is double-clicked.
 680 // The default behaviour is to remove the sash if the
 681 // minimum pane size is zero.
 682 void wxSplitterWindow::OnDoubleClickSash(int WXUNUSED(x), int WXUNUSED(y) )
 683 {
 684     if ( GetMinimumPaneSize() == 0 )
 685     {
 686         Unsplit();
 687     }
 688 }
 689
 690 // Initialize colours
 691 void wxSplitterWindow::InitColours()
 692 {
 693     wxDELETE( m_facePen );
 694     wxDELETE( m_faceBrush );
 695     wxDELETE( m_mediumShadowPen );
 696     wxDELETE( m_darkShadowPen );
 697     wxDELETE( m_lightShadowPen );
 698     wxDELETE( m_hilightPen );
 699
 700     // Shadow colours
 701 #if defined(__WIN95__)
 702     wxColour faceColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
 703     m_facePen = new wxPen(faceColour, 1, wxSOLID);
 704     m_faceBrush = new wxBrush(faceColour, wxSOLID);
 705
 706     wxColour mediumShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW));
 707     m_mediumShadowPen = new wxPen(mediumShadowColour, 1, wxSOLID);
 708
 709     wxColour darkShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW));
 710     m_darkShadowPen = new wxPen(darkShadowColour, 1, wxSOLID);
 711
 712     wxColour lightShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT));
 713     m_lightShadowPen = new wxPen(lightShadowColour, 1, wxSOLID);
 714
 715     wxColour hilightColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT));
 716     m_hilightPen = new wxPen(hilightColour, 1, wxSOLID);
 717 #else // !Win32
 718     m_facePen = new wxPen("LIGHT GREY", 1, wxSOLID);
 719     m_faceBrush = new wxBrush("LIGHT GREY", wxSOLID);
 720     m_mediumShadowPen = new wxPen("GREY", 1, wxSOLID);
 721     m_darkShadowPen = new wxPen("BLACK", 1, wxSOLID);
 722     m_lightShadowPen = new wxPen("LIGHT GREY", 1, wxSOLID);
 723     m_hilightPen = new wxPen("WHITE", 1, wxSOLID);
 724 #endif // Win32/!Win32
 725 }
 726