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 // #pragma interface
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #include <math.h>
  29 #include <stdlib.h>
  30
  31 #include "wx/string.h"
  32 #include "wx/splitter.h"
  33 #include "wx/dcscreen.h"
  34
  35 #if !USE_SHARED_LIBRARY
  36 IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
  37
  38 BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow)
  39     EVT_PAINT(wxSplitterWindow::OnPaint)
  40     EVT_SIZE(wxSplitterWindow::OnSize)
  41     EVT_MOUSE_EVENTS(wxSplitterWindow::OnMouseEvent)
  42 END_EVENT_TABLE()
  43 #endif
  44
  45 wxSplitterWindow::wxSplitterWindow(void)
  46 {
  47     m_splitMode = wxSPLIT_VERTICAL;
  48     m_windowOne = NULL;
  49     m_windowTwo = NULL;
  50     m_dragMode = wxSPLIT_DRAG_NONE;
  51     m_oldX = 0;
  52     m_oldY = 0;
  53     m_firstX = 0;
  54     m_firstY = 0;
  55     m_sashSize = 7;
  56     m_borderSize = 2;
  57     m_sashPosition = 0;
  58     m_sashCursorWE = NULL;
  59     m_sashCursorNS = NULL;
  60     m_sashTrackerPen = NULL;
  61     m_lightShadowPen = NULL;
  62     m_mediumShadowPen = NULL;
  63     m_darkShadowPen = NULL;
  64     m_faceBrush = NULL;
  65     m_facePen = NULL;
  66     m_hilightPen = NULL;
  67     m_minimumPaneSize = 0;
  68 }
  69
  70 wxSplitterWindow::wxSplitterWindow(wxWindow *parent, const wxWindowID id, const wxPoint& pos,
  71     const wxSize& size, const long style, const wxString& name)
  72   :wxWindow(parent, id, pos, size, style, name)
  73 {
  74     m_splitMode = wxSPLIT_VERTICAL;
  75     m_windowOne = NULL;
  76     m_windowTwo = NULL;
  77     m_dragMode = wxSPLIT_DRAG_NONE;
  78     m_oldX = 0;
  79     m_oldY = 0;
  80     m_firstX = 0;
  81     m_firstY = 0;
  82     m_sashSize = 7;
  83     m_borderSize = 2;
  84     m_sashPosition = 0;
  85     m_minimumPaneSize = 0;
  86     m_sashCursorWE = new wxCursor(wxCURSOR_SIZEWE);
  87     m_sashCursorNS = new wxCursor(wxCURSOR_SIZENS);
  88     m_sashTrackerPen = new wxPen(*wxBLACK, 2, wxSOLID);
  89     m_lightShadowPen = NULL;
  90     m_mediumShadowPen = NULL;
  91     m_darkShadowPen = NULL;
  92     m_faceBrush = NULL;
  93     m_facePen = NULL;
  94     m_hilightPen = NULL;
  95
  96     if ( style & wxSP_3D )
  97     {
  98         m_borderSize = 2;
  99         m_sashSize = 7;
 100     }
 101     else if ( style & wxSP_BORDER )
 102     {
 103         m_borderSize = 1;
 104         m_sashSize = 3;
 105     }
 106     else
 107     {
 108         m_borderSize = 0;
 109         m_sashSize = 3;
 110     }
 111
 112     // Eventually, we'll respond to colour change messages
 113     InitColours();
 114
 115     SetDoubleClick(TRUE);
 116
 117     // For debugging purposes, to see the background.
 118 //    SetBackground(wxBLUE_BRUSH);
 119 }
 120
 121 wxSplitterWindow::~wxSplitterWindow(void)
 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         if (event.LeftDown())
 149         {
 150         if ( SashHitTest(x, y) )
 151         {
 152                 CaptureMouse();
 153
 154             // Required for X to specify that
 155                 // that we wish to draw on top of all windows
 156                 // - and we optimise by specifying the area
 157                 // for creating the overlap window.
 158                 wxScreenDC::StartDrawingOnTop(this);
 159
 160             // We don't say we're dragging yet; we leave that
 161             // decision for the Dragging() branch, to ensure
 162             // the user has dragged a little bit.
 163             m_dragMode = wxSPLIT_DRAG_LEFT_DOWN;
 164             m_firstX = x;
 165             m_firstY = y;
 166         }
 167         }
 168     else if ( event.LeftUp() && m_dragMode == wxSPLIT_DRAG_LEFT_DOWN )
 169     {
 170         // Wasn't a proper drag
 171         ReleaseMouse();
 172         wxScreenDC::EndDrawingOnTop();
 173         m_dragMode = wxSPLIT_DRAG_NONE;
 174
 175         SetCursor(*wxSTANDARD_CURSOR);
 176         wxSetCursor(*wxSTANDARD_CURSOR);
 177     }
 178         else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING)
 179         {
 180         // We can stop dragging now and see what we've got.
 181         m_dragMode = wxSPLIT_DRAG_NONE;
 182                 ReleaseMouse();
 183         // Erase old tracker
 184         DrawSashTracker(m_oldX, m_oldY);
 185
 186         // End drawing on top (frees the window used for drawing
 187         // over the screen)
 188         wxScreenDC::EndDrawingOnTop();
 189
 190         int w, h;
 191                 GetClientSize(&w, &h);
 192         if ( m_splitMode == wxSPLIT_VERTICAL )
 193         {
 194             // First check if we should veto this resize because
 195             // the pane size is too small
 196             if ( wxMax(x, 0) < m_minimumPaneSize || wxMax((w - x), 0) < m_minimumPaneSize)
 197                 return;
 198
 199             if ( x <= 4 )
 200             {
 201                 // We remove the first window from the view
 202                 wxWindow *removedWindow = m_windowOne;
 203                 m_windowOne = m_windowTwo;
 204                 m_windowTwo = NULL;
 205
 206                 OnUnsplit(removedWindow);
 207                 m_sashPosition = 0;
 208             }
 209             else if ( x >= (w - 4) )
 210             {
 211                 // We remove the second window from the view
 212                 wxWindow *removedWindow = m_windowTwo;
 213                 m_windowTwo = NULL;
 214                 OnUnsplit(removedWindow);
 215                 m_sashPosition = 0;
 216             }
 217             else
 218             {
 219                 m_sashPosition = x;
 220             }
 221         }
 222         else
 223         {
 224             // First check if we should veto this resize because
 225             // the pane size is too small
 226             if ( wxMax(y, 0) < m_minimumPaneSize || wxMax((h - y), 0) < m_minimumPaneSize)
 227                 return;
 228
 229             if ( y <= 4 )
 230             {
 231                 // We remove the first window from the view
 232                 wxWindow *removedWindow = m_windowOne;
 233                 m_windowOne = m_windowTwo;
 234                 m_windowTwo = NULL;
 235
 236                 OnUnsplit(removedWindow);
 237                 m_sashPosition = 0;
 238             }
 239             else if ( y >= (h - 4) )
 240             {
 241                 // We remove the second window from the view
 242                 wxWindow *removedWindow = m_windowTwo;
 243                 m_windowTwo = NULL;
 244                 OnUnsplit(removedWindow);
 245                 m_sashPosition = 0;
 246             }
 247             else
 248             {
 249                 m_sashPosition = y;
 250             }
 251         }
 252         SizeWindows();
 253         }
 254         else if (event.Moving() && !event.Dragging())
 255         {
 256         // Just change the cursor if required
 257         if ( SashHitTest(x, y) )
 258         {
 259                 if ( m_splitMode == wxSPLIT_VERTICAL )
 260                 {
 261                         SetCursor(*m_sashCursorWE);
 262                     // Windows needs the following
 263                         wxSetCursor(*m_sashCursorWE);
 264                 }
 265                 else
 266                 {
 267                         SetCursor(*m_sashCursorNS);
 268                         wxSetCursor(*m_sashCursorNS);
 269                 }
 270         }
 271         else
 272         {
 273             SetCursor(*wxSTANDARD_CURSOR);
 274             wxSetCursor(*wxSTANDARD_CURSOR);
 275         }
 276         }
 277         else if ( (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING)) ||
 278               (event.Dragging() && SashHitTest(x, y, 4)) )
 279         {
 280          if ( m_splitMode == wxSPLIT_VERTICAL )
 281          {
 282                 SetCursor(*m_sashCursorWE);
 283                 wxSetCursor(*m_sashCursorWE);
 284          }
 285          else
 286          {
 287                 SetCursor(*m_sashCursorNS);
 288                 wxSetCursor(*m_sashCursorNS);
 289          }
 290
 291         // Detect that this is really a drag: we've moved more than 1 pixel either way
 292         if ((m_dragMode == wxSPLIT_DRAG_LEFT_DOWN) &&
 293 //                (abs((int)x - m_firstX) > 1 || abs((int)y - m_firstY) > 1) )
 294                 (abs((int)x - m_firstX) > 0 || abs((int)y - m_firstY) > 1) )
 295         {
 296             m_dragMode = wxSPLIT_DRAG_DRAGGING;
 297             DrawSashTracker(x, y);
 298         }
 299         else
 300         {
 301           if ( m_dragMode == wxSPLIT_DRAG_DRAGGING )
 302           {
 303             // Erase old tracker
 304             DrawSashTracker(m_oldX, m_oldY);
 305
 306             // Draw new one
 307             DrawSashTracker(x, y);
 308           }
 309         }
 310         m_oldX = x;
 311         m_oldY = y;
 312         }
 313     else if ( event.LeftDClick() )
 314     {
 315         OnDoubleClickSash(x, y);
 316     }
 317     else
 318     {
 319         SetCursor(*wxSTANDARD_CURSOR);
 320         wxSetCursor(*wxSTANDARD_CURSOR);
 321     }
 322 }
 323
 324 void wxSplitterWindow::OnSize(wxSizeEvent& WXUNUSED(event))
 325 {
 326     int cw, ch;
 327     GetClientSize( &cw, &ch );
 328     if ( m_windowTwo )
 329     {
 330         if ( m_splitMode == wxSPLIT_VERTICAL )
 331         {
 332             if ( m_sashPosition >= (cw - 5) )
 333                 m_sashPosition = wxMax(10, cw - 40);
 334         }
 335         if ( m_splitMode == wxSPLIT_HORIZONTAL )
 336         {
 337             if ( m_sashPosition >= (ch - 5) )
 338                 m_sashPosition = wxMax(10, ch - 40);
 339         }
 340     }
 341     SizeWindows();
 342 }
 343
 344 bool wxSplitterWindow::SashHitTest(const int x, const int y, const int tolerance)
 345 {
 346     if ( m_windowTwo == NULL || m_sashPosition == 0)
 347         return FALSE; // No sash
 348
 349     if ( m_splitMode == wxSPLIT_VERTICAL )
 350     {
 351         if ( (x >= m_sashPosition - tolerance) && (x <= m_sashPosition + m_sashSize + tolerance) )
 352             return TRUE;
 353         else
 354             return FALSE;
 355     }
 356     else
 357     {
 358         if ( (y >= (m_sashPosition- tolerance)) && (y <= (m_sashPosition + m_sashSize + tolerance)) )
 359             return TRUE;
 360         else
 361             return FALSE;
 362     }
 363
 364     return FALSE;
 365 }
 366
 367 // Draw 3D effect borders
 368 void wxSplitterWindow::DrawBorders(wxDC& dc)
 369 {
 370     int w, h;
 371     GetClientSize(&w, &h);
 372
 373     if ( GetWindowStyleFlag() & wxSP_3D )
 374     {
 375         dc.SetPen(*m_mediumShadowPen);
 376         dc.DrawLine(0, 0, w-1, 0);
 377         dc.DrawLine(0, 0, 0, h - 1);
 378
 379         dc.SetPen(*m_darkShadowPen);
 380         dc.DrawLine(1, 1, w-2, 1);
 381         dc.DrawLine(1, 1, 1, h-2);
 382
 383         dc.SetPen(*m_hilightPen);
 384         dc.DrawLine(0, h-1, w-1, h-1);
 385         dc.DrawLine(w-1, 0, w-1, h); // Surely the maximum y pos. should be h - 1.
 386                                      /// Anyway, h is required for MSW.
 387
 388         dc.SetPen(*m_lightShadowPen);
 389         dc.DrawLine(w-2, 1, w-2, h-2); // Right hand side
 390         dc.DrawLine(1, h-2, w-1, h-2);     // Bottom
 391     }
 392     else if ( GetWindowStyleFlag() & wxSP_BORDER )
 393     {
 394         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 395         dc.SetPen(*wxBLACK_PEN);
 396         dc.DrawRectangle(0, 0, w-1, h-1);
 397     }
 398
 399     dc.SetPen(wxNullPen);
 400     dc.SetBrush(wxNullBrush);
 401 }
 402
 403 // Draw the sash
 404 void wxSplitterWindow::DrawSash(wxDC& dc)
 405 {
 406     if ( m_sashPosition == 0 || !m_windowTwo)
 407         return;
 408
 409     int w, h;
 410     GetClientSize(&w, &h);
 411
 412     if ( GetWindowStyleFlag() & wxSP_3D )
 413     {
 414         if ( m_splitMode == wxSPLIT_VERTICAL )
 415         {
 416             dc.SetPen(*m_facePen);
 417             dc.SetBrush(*m_faceBrush);
 418             dc.DrawRectangle(m_sashPosition + 2, 0, m_sashSize - 4, h);
 419
 420             dc.SetBrush(*wxTRANSPARENT_BRUSH);
 421
 422             dc.SetPen(*m_lightShadowPen);
 423             dc.DrawLine(m_sashPosition, 1, m_sashPosition, h-2);
 424
 425             dc.SetPen(*m_hilightPen);
 426             dc.DrawLine(m_sashPosition+1, 0, m_sashPosition+1, h);
 427
 428             dc.SetPen(*m_mediumShadowPen);
 429             dc.DrawLine(m_sashPosition+m_sashSize-2, 1, m_sashPosition+m_sashSize-2, h-1);
 430
 431             dc.SetPen(*m_darkShadowPen);
 432             dc.DrawLine(m_sashPosition+m_sashSize-1, 2, m_sashPosition+m_sashSize-1, h-2);
 433         }
 434         else
 435         {
 436             dc.SetPen(*m_facePen);
 437             dc.SetBrush(*m_faceBrush);
 438             dc.DrawRectangle(0, m_sashPosition + 2, w, m_sashSize - 4);
 439
 440             dc.SetBrush(*wxTRANSPARENT_BRUSH);
 441
 442             dc.SetPen(*m_lightShadowPen);
 443             dc.DrawLine(1, m_sashPosition, w-2, m_sashPosition);
 444
 445             dc.SetPen(*m_hilightPen);
 446             dc.DrawLine(0, m_sashPosition+1, w, m_sashPosition+1);
 447
 448             dc.SetPen(*m_mediumShadowPen);
 449             dc.DrawLine(1, m_sashPosition+m_sashSize-2, w-1, m_sashPosition+m_sashSize-2);
 450
 451             dc.SetPen(*m_darkShadowPen);
 452             dc.DrawLine(2, m_sashPosition+m_sashSize-1, w-2, m_sashPosition+m_sashSize-1);
 453         }
 454     }
 455     else
 456     {
 457         if ( m_splitMode == wxSPLIT_VERTICAL )
 458         {
 459             dc.SetPen(*wxBLACK_PEN);
 460             dc.SetBrush(*wxBLACK_BRUSH);
 461             int h1 = h-1;
 462             if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER )
 463                 h1 += 1; // Not sure why this is necessary...
 464             dc.DrawRectangle(m_sashPosition, 0, m_sashSize, h1);
 465         }
 466         else
 467         {
 468             dc.SetPen(*wxBLACK_PEN);
 469             dc.SetBrush(*wxBLACK_BRUSH);
 470             int w1 = w-1;
 471             if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER )
 472                 w1 ++;
 473
 474             dc.DrawRectangle(0, m_sashPosition, w1, m_sashSize);
 475         }
 476
 477     }
 478
 479     dc.SetPen(wxNullPen);
 480     dc.SetBrush(wxNullBrush);
 481 }
 482
 483 // Draw the sash tracker (for whilst moving the sash)
 484 void wxSplitterWindow::DrawSashTracker(const int x, const int y)
 485 {
 486     int w, h;
 487     GetClientSize(&w, &h);
 488
 489     wxScreenDC screenDC;
 490     int x1, y1;
 491     int x2, y2;
 492
 493     if ( m_splitMode == wxSPLIT_VERTICAL )
 494     {
 495         x1 = x; y1 = 2;
 496         x2 = x; y2 = h-2;
 497
 498         if ( x1 > w )
 499         {
 500             x1 = w; x2 = w;
 501         }
 502         else if ( x1 < 0 )
 503         {
 504             x1 = 0; x2 = 0;
 505         }
 506     }
 507     else
 508     {
 509         x1 = 2; y1 = y;
 510         x2 = w-2; y2 = y;
 511
 512         if ( y1 > h )
 513         {
 514             y1 = h;
 515             y2 = h;
 516         }
 517         else if ( y1 < 0 )
 518         {
 519             y1 = 0;
 520             y2 = 0;
 521         }
 522     }
 523
 524     ClientToScreen(&x1, &y1);
 525     ClientToScreen(&x2, &y2);
 526
 527     screenDC.SetLogicalFunction(wxXOR);
 528     screenDC.SetPen(*m_sashTrackerPen);
 529     screenDC.SetBrush(*wxTRANSPARENT_BRUSH);
 530
 531     screenDC.DrawLine(x1, y1, x2, y2);
 532
 533     screenDC.SetLogicalFunction(wxCOPY);
 534
 535     screenDC.SetPen(wxNullPen);
 536     screenDC.SetBrush(wxNullBrush);
 537 }
 538
 539 // Position and size subwindows.
 540 // Note that the border size applies to each subwindow, not
 541 // including the edges next to the sash.
 542 void wxSplitterWindow::SizeWindows(void)
 543 {
 544     int w, h;
 545     GetClientSize(&w, &h);
 546
 547     if ( m_windowOne && !m_windowTwo )
 548     {
 549         m_windowOne->SetSize(m_borderSize, m_borderSize, w - 2*m_borderSize, h - 2*m_borderSize);
 550     }
 551     else if ( m_windowOne && m_windowTwo )
 552     {
 553         if (m_splitMode == wxSPLIT_VERTICAL)
 554         {
 555             int x1 = m_borderSize;
 556             int y1 = m_borderSize;
 557             int w1 = m_sashPosition - m_borderSize;
 558             int h1 = h - 2*m_borderSize;
 559
 560             int x2 = m_sashPosition + m_sashSize;
 561             int y2 = m_borderSize;
 562             int w2 = w - 2*m_borderSize - m_sashSize - w1;
 563             int h2 = h - 2*m_borderSize;
 564
 565             m_windowOne->SetSize(x1, y1,
 566                 w1, h1);
 567             m_windowTwo->SetSize(x2, y2,
 568                 w2, h2);
 569         }
 570         else
 571         {
 572             m_windowOne->SetSize(m_borderSize, m_borderSize,
 573                 w - 2*m_borderSize, m_sashPosition - m_borderSize);
 574             m_windowTwo->SetSize(m_borderSize, m_sashPosition + m_sashSize,
 575                 w - 2*m_borderSize, h - 2*m_borderSize - m_sashSize - (m_sashPosition - m_borderSize));
 576         }
 577     }
 578     wxClientDC dc(this);
 579     DrawBorders(dc);
 580     DrawSash(dc);
 581 }
 582
 583 // Set pane for unsplit window
 584 void wxSplitterWindow::Initialize(wxWindow *window)
 585 {
 586     m_windowOne = window;
 587     m_windowTwo = NULL;
 588     m_sashPosition = 0;
 589 }
 590
 591 // Associates the given window with window 2, drawing the appropriate sash
 592 // and changing the split mode.
 593 // Does nothing and returns FALSE if the window is already split.
 594 bool wxSplitterWindow::SplitVertically(wxWindow *window1, wxWindow *window2, const int sashPosition)
 595 {
 596     if ( IsSplit() )
 597         return FALSE;
 598
 599     m_splitMode = wxSPLIT_VERTICAL;
 600     m_windowOne = window1;
 601     m_windowTwo = window2;
 602     if ( sashPosition == -1 )
 603         m_sashPosition = 100;
 604     else
 605         m_sashPosition = sashPosition;
 606
 607     SizeWindows();
 608
 609     return TRUE;
 610 }
 611
 612 bool wxSplitterWindow::SplitHorizontally(wxWindow *window1, wxWindow *window2, const int sashPosition)
 613 {
 614     if ( IsSplit() )
 615         return FALSE;
 616
 617     m_splitMode = wxSPLIT_HORIZONTAL;
 618     m_windowOne = window1;
 619     m_windowTwo = window2;
 620     if ( sashPosition == -1 )
 621         m_sashPosition = 100;
 622     else
 623         m_sashPosition = sashPosition;
 624
 625     SizeWindows();
 626
 627     return TRUE;
 628 }
 629
 630
 631 // Remove the specified (or second) window from the view
 632 // Doesn't actually delete the window.
 633 bool wxSplitterWindow::Unsplit(wxWindow *toRemove)
 634 {
 635     if ( ! IsSplit() )
 636         return FALSE;
 637
 638     if ( toRemove == NULL || toRemove == m_windowTwo)
 639     {
 640         wxWindow *win = m_windowTwo ;
 641         m_windowTwo = NULL;
 642         m_sashPosition = 0;
 643         OnUnsplit(win);
 644         SizeWindows();
 645     }
 646     else if ( toRemove == m_windowOne )
 647     {
 648         wxWindow *win = m_windowOne ;
 649         m_windowOne = m_windowTwo;
 650         m_windowTwo = NULL;
 651         m_sashPosition = 0;
 652         OnUnsplit(win);
 653         SizeWindows();
 654     }
 655     else
 656         return FALSE;
 657
 658     return TRUE;
 659 }
 660
 661 void wxSplitterWindow::SetSashPosition(const int position, const bool redraw)
 662 {
 663     m_sashPosition = position;
 664
 665     if ( redraw )
 666     {
 667         SizeWindows();
 668     }
 669 }
 670
 671 // Called when the sash is double-clicked.
 672 // The default behaviour is to remove the sash if the
 673 // minimum pane size is zero.
 674 void wxSplitterWindow::OnDoubleClickSash(int WXUNUSED(x), int WXUNUSED(y) )
 675 {
 676     if ( GetMinimumPaneSize() == 0 )
 677     {
 678         Unsplit();
 679     }
 680 }
 681
 682 // Initialize colours
 683 void wxSplitterWindow::InitColours(void)
 684 {
 685     if ( m_facePen )
 686         delete m_facePen;
 687     if ( m_faceBrush )
 688         delete m_faceBrush;
 689     if ( m_mediumShadowPen )
 690         delete m_mediumShadowPen;
 691     if ( m_darkShadowPen )
 692         delete m_darkShadowPen;
 693     if ( m_lightShadowPen )
 694         delete m_lightShadowPen;
 695     if ( m_hilightPen )
 696         delete m_hilightPen;
 697
 698     // Shadow colours
 699 #if defined(__WIN95__)
 700 //    COLORREF ref = ::GetSysColor(COLOR_3DFACE); // Normally light grey
 701     wxColour faceColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
 702     m_facePen = new wxPen(faceColour, 1, wxSOLID);
 703     m_faceBrush = new wxBrush(faceColour, wxSOLID);
 704
 705 //    ref = ::GetSysColor(COLOR_3DSHADOW); // Normally dark grey
 706     wxColour mediumShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW));
 707     m_mediumShadowPen = new wxPen(mediumShadowColour, 1, wxSOLID);
 708
 709 //    ref = ::GetSysColor(COLOR_3DDKSHADOW); // Normally black
 710     wxColour darkShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW));
 711     m_darkShadowPen = new wxPen(darkShadowColour, 1, wxSOLID);
 712
 713 //    ref = ::GetSysColor(COLOR_3DLIGHT); // Normally light grey
 714     wxColour lightShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT));
 715     m_lightShadowPen = new wxPen(lightShadowColour, 1, wxSOLID);
 716
 717 //    ref = ::GetSysColor(COLOR_3DHILIGHT); // Normally white
 718     wxColour hilightColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT));
 719     m_hilightPen = new wxPen(hilightColour, 1, wxSOLID);
 720 #else
 721     m_facePen = new wxPen("LIGHT GREY", 1, wxSOLID);
 722     m_faceBrush = new wxBrush("LIGHT GREY", wxSOLID);
 723     m_mediumShadowPen = new wxPen("GREY", 1, wxSOLID);
 724     m_darkShadowPen = new wxPen("BLACK", 1, wxSOLID);
 725     m_lightShadowPen = new wxPen("LIGHT GREY", 1, wxSOLID);
 726     m_hilightPen = new wxPen("WHITE", 1, wxSOLID);
 727 #endif
 728 }
 729