src/generic/renderg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/renderg.cpp
   3 // Purpose:     generic implementation of wxRendererNative (for any platform)
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     20.07.2003
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
   9 // License:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #include "wx/renderer.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/string.h"
  31     #include "wx/dc.h"
  32     #include "wx/settings.h"
  33     #include "wx/gdicmn.h"
  34     #include "wx/module.h"
  35 #endif //WX_PRECOMP
  36
  37 #include "wx/splitter.h"
  38 #include "wx/dcmirror.h"
  39
  40 // ----------------------------------------------------------------------------
  41 // wxRendererGeneric: our wxRendererNative implementation
  42 // ----------------------------------------------------------------------------
  43
  44 class WXDLLEXPORT wxRendererGeneric : public wxRendererNative
  45 {
  46 public:
  47     wxRendererGeneric();
  48
  49     virtual void DrawHeaderButton(wxWindow *win,
  50                                   wxDC& dc,
  51                                   const wxRect& rect,
  52                                   int flags = 0,
  53                                   wxHeaderButtonParams* params = NULL);
  54
  55     virtual void DrawHeaderButtonContents(wxWindow *win,
  56                                           wxDC& dc,
  57                                           const wxRect& rect,
  58                                           int flags = 0,
  59                                           wxHeaderButtonParams* params = NULL);
  60
  61     virtual int GetHeaderButtonHeight(wxWindow *win);
  62
  63     virtual void DrawTreeItemButton(wxWindow *win,
  64                                     wxDC& dc,
  65                                     const wxRect& rect,
  66                                     int flags = 0);
  67
  68     virtual void DrawSplitterBorder(wxWindow *win,
  69                                     wxDC& dc,
  70                                     const wxRect& rect,
  71                                     int flags = 0);
  72
  73     virtual void DrawSplitterSash(wxWindow *win,
  74                                   wxDC& dc,
  75                                   const wxSize& size,
  76                                   wxCoord position,
  77                                   wxOrientation orient,
  78                                   int flags = 0);
  79
  80     virtual void DrawComboBoxDropButton(wxWindow *win,
  81                                         wxDC& dc,
  82                                         const wxRect& rect,
  83                                         int flags = 0);
  84
  85     virtual void DrawDropArrow(wxWindow *win,
  86                                wxDC& dc,
  87                                const wxRect& rect,
  88                                int flags = 0);
  89
  90     virtual void DrawCheckBox(wxWindow *win,
  91                               wxDC& dc,
  92                               const wxRect& rect,
  93                               int flags = 0);
  94
  95     virtual void DrawPushButton(wxWindow *win,
  96                                 wxDC& dc,
  97                                 const wxRect& rect,
  98                                 int flags = 0);
  99
 100     virtual void DrawItemSelectionRect(wxWindow *win,
 101                                        wxDC& dc,
 102                                        const wxRect& rect,
 103                                        int flags = 0);
 104
 105     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 106
 107     virtual wxRendererVersion GetVersion() const
 108     {
 109         return wxRendererVersion(wxRendererVersion::Current_Version,
 110                                  wxRendererVersion::Current_Age);
 111     }
 112
 113
 114     // Cleanup by deleting standard renderer
 115     static void Cleanup();
 116
 117     // Get the generic object
 118     static wxRendererGeneric* DoGetGeneric();
 119
 120 protected:
 121     // draw the rectange using the first pen for the left and top sides and
 122     // the second one for the bottom and right ones
 123     void DrawShadedRect(wxDC& dc, wxRect *rect,
 124                         const wxPen& pen1, const wxPen& pen2);
 125
 126     // the standard pens
 127     wxPen m_penBlack,
 128           m_penDarkGrey,
 129           m_penLightGrey,
 130           m_penHighlight;
 131
 132     static wxRendererGeneric* sm_rendererGeneric;
 133 };
 134
 135 // ============================================================================
 136 // wxRendererGeneric implementation
 137 // ============================================================================
 138
 139 // Get the generic object
 140 wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
 141 {
 142     if (!sm_rendererGeneric)
 143         sm_rendererGeneric = new wxRendererGeneric;
 144     return sm_rendererGeneric;
 145 }
 146
 147 // ----------------------------------------------------------------------------
 148 // wxRendererGeneric creation
 149 // ----------------------------------------------------------------------------
 150
 151 /* static */
 152 wxRendererNative& wxRendererNative::GetGeneric()
 153 {
 154     return * wxRendererGeneric::DoGetGeneric();
 155 }
 156
 157 void wxRendererGeneric::Cleanup()
 158 {
 159     if (sm_rendererGeneric)
 160         delete sm_rendererGeneric;
 161
 162     sm_rendererGeneric = NULL;
 163 }
 164
 165 wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
 166
 167 wxRendererGeneric::wxRendererGeneric()
 168     : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
 169       m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
 170       m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
 171       m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
 172 {
 173 }
 174
 175 // ----------------------------------------------------------------------------
 176 // wxRendererGeneric helpers
 177 // ----------------------------------------------------------------------------
 178
 179 void
 180 wxRendererGeneric::DrawShadedRect(wxDC& dc,
 181                                   wxRect *rect,
 182                                   const wxPen& pen1,
 183                                   const wxPen& pen2)
 184 {
 185     // draw the rectangle
 186     dc.SetPen(pen1);
 187     dc.DrawLine(rect->GetLeft(), rect->GetTop(),
 188                 rect->GetLeft(), rect->GetBottom());
 189     dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
 190                 rect->GetRight(), rect->GetTop());
 191     dc.SetPen(pen2);
 192     dc.DrawLine(rect->GetRight(), rect->GetTop(),
 193                 rect->GetRight(), rect->GetBottom());
 194     dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
 195                 rect->GetRight() + 1, rect->GetBottom());
 196
 197     // adjust the rect
 198     rect->Inflate(-1);
 199 }
 200
 201 // ----------------------------------------------------------------------------
 202 // tree/list ctrl drawing
 203 // ----------------------------------------------------------------------------
 204
 205 void
 206 wxRendererGeneric::DrawHeaderButton(wxWindow* win,
 207                                     wxDC& dc,
 208                                     const wxRect& rect,
 209                                     int flags,
 210                                     wxHeaderButtonParams* params)
 211 {
 212     const int CORNER = 1;
 213
 214     const wxCoord x = rect.x,
 215                   y = rect.y,
 216                   w = rect.width,
 217                   h = rect.height;
 218
 219     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 220     dc.SetPen(*wxTRANSPARENT_PEN);
 221     dc.DrawRectangle(rect);
 222
 223     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 224
 225     dc.SetPen(m_penBlack);
 226     dc.DrawLine( x+w-CORNER+1, y, x+w, y+h );  // right (outer)
 227     dc.DrawRectangle( x, y+h, w+1, 1 );        // bottom (outer)
 228
 229     dc.SetPen(m_penDarkGrey);
 230     dc.DrawLine( x+w-CORNER, y, x+w-1, y+h );  // right (inner)
 231     dc.DrawRectangle( x+1, y+h-1, w-2, 1 );    // bottom (inner)
 232
 233     dc.SetPen(m_penHighlight);
 234     dc.DrawRectangle( x, y, w-CORNER+1, 1 );   // top (outer)
 235     dc.DrawRectangle( x, y, 1, h );            // left (outer)
 236     dc.DrawLine( x, y+h-1, x+1, y+h-1 );
 237     dc.DrawLine( x+w-1, y, x+w-1, y+1 );
 238
 239     DrawHeaderButtonContents(win, dc, rect, flags, params);
 240 }
 241
 242 void
 243 wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win,
 244                                             wxDC& dc,
 245                                             const wxRect& rect,
 246                                             int flags,
 247                                             wxHeaderButtonParams* params)
 248 {
 249     // Mark this item as selected.  For the generic version we'll just draw an
 250     // underline
 251     if ( flags & wxCONTROL_SELECTED )
 252     {
 253         // draw a line at the bottom of the header button, overlaying the
 254         // native hot-tracking line (on XP)
 255         const int penwidth = 3;
 256         int y = rect.y + rect.height + 1 - penwidth;
 257         wxColour c = (params && params->m_selectionColour.Ok()) ?
 258             params->m_selectionColour : wxColour(0x66, 0x66, 0x66);
 259         wxPen pen(c, penwidth);
 260         pen.SetCap(wxCAP_BUTT);
 261         dc.SetPen(pen);
 262         dc.DrawLine(rect.x, y, rect.x + rect.width, y);
 263     }
 264
 265     // Draw an up or down arrow
 266     int arrowSpace = 0;
 267     if (flags & (wxCONTROL_UPICON | wxCONTROL_DOWNICON) )
 268     {
 269         wxRect ar = rect;
 270
 271         // make a rect for the arrow
 272         ar.height = 4;
 273         ar.width = 8;
 274         ar.y += (rect.height - ar.height)/2;
 275         ar.x = ar.x + rect.width - 3*ar.width/2;
 276         arrowSpace = 3*ar.width/2; // space to preserve when drawing the label
 277
 278         wxPoint triPt[3];
 279         if ( flags & wxCONTROL_UPICON )
 280         {
 281             triPt[0].x = ar.width / 2;
 282             triPt[0].y = 0;
 283             triPt[1].x = ar.width;
 284             triPt[1].y = ar.height;
 285             triPt[2].x = 0;
 286             triPt[2].y = ar.height;
 287         }
 288         else
 289         {
 290             triPt[0].x = 0;
 291             triPt[0].y = 0;
 292             triPt[1].x = ar.width;
 293             triPt[1].y = 0;
 294             triPt[2].x = ar.width / 2;
 295             triPt[2].y = ar.height;
 296         }
 297
 298         wxColour c = (params && params->m_arrowColour.Ok()) ?
 299             params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
 300         dc.SetPen(wxPen(c));
 301         dc.SetBrush(wxBrush(c));
 302         dc.DrawPolygon( 3, triPt, ar.x, ar.y);
 303     }
 304
 305     const int margin = 5;   // number of pixels to reserve on either side of the label
 306     int bmpWidth = 0;
 307     int txtEnd = 0;
 308
 309     if ( params && params->m_labelBitmap.Ok() )
 310         bmpWidth = params->m_labelBitmap.GetWidth() + 2;
 311
 312     // Draw a label if one is given
 313     if ( params && !params->m_labelText.empty() )
 314     {
 315         wxFont font  = params->m_labelFont.Ok() ?
 316             params->m_labelFont : win->GetFont();
 317         wxColour clr = params->m_labelColour.Ok() ?
 318             params->m_labelColour : win->GetForegroundColour();
 319
 320         wxString label( params->m_labelText );
 321
 322         dc.SetFont(font);
 323         dc.SetTextForeground(clr);
 324         dc.SetBackgroundMode(wxTRANSPARENT);
 325
 326         int tw, th, td, x, y;
 327         dc.GetTextExtent( label, &tw, &th, &td);
 328         y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);
 329
 330         // truncate and add an ellipsis (...) if the text is too wide.
 331         int targetWidth = rect.width - arrowSpace - bmpWidth - 2*margin;
 332         if ( tw > targetWidth )
 333         {
 334             int ellipsisWidth;
 335             dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL);
 336             do {
 337                 label.Truncate( label.length() - 1 );
 338                 dc.GetTextExtent( label, &tw, &th);
 339             } while (tw + ellipsisWidth > targetWidth && label.length() );
 340             label.append( wxT("...") );
 341             tw += ellipsisWidth;
 342         }
 343
 344         switch (params->m_labelAlignment)
 345         {
 346             default:
 347             case wxALIGN_LEFT:
 348                 x = rect.x + margin;
 349                 break;
 350             case wxALIGN_CENTER:
 351                 x = rect.x + wxMax(0, (rect.width - arrowSpace  - tw - bmpWidth)/2);
 352                 break;
 353             case wxALIGN_RIGHT:
 354                 x = rect.x + wxMax(0, rect.width - arrowSpace - margin - tw - bmpWidth);
 355                 break;
 356         }
 357
 358         dc.DrawText(label, x, y);
 359         txtEnd = x + tw + 2;
 360     }
 361
 362     // draw the bitmap if there is one
 363     if ( params && params->m_labelBitmap.Ok() )
 364     {
 365         int w, h, x, y;
 366         w = params->m_labelBitmap.GetWidth();
 367         h = params->m_labelBitmap.GetHeight();
 368
 369         y = rect.y + wxMax(1, (rect.height - h) / 2);
 370
 371         // if there is a text label, then put the bitmap at the end of the label
 372         if ( txtEnd != 0 )
 373         {
 374             x = txtEnd;
 375         }
 376         // otherwise use the alignment flags
 377         else
 378         {
 379             switch (params->m_labelAlignment)
 380             {
 381                 default:
 382                 case wxALIGN_LEFT:
 383                     x = rect.x + margin;
 384                     break;
 385                 case wxALIGN_CENTER:
 386                     x = rect.x + wxMax(1, (rect.width - arrowSpace - w)/2);
 387                     break;
 388                 case wxALIGN_RIGHT:
 389                     x = rect.x + wxMax(1, rect.width - arrowSpace - margin - w);
 390                     break;
 391             }
 392         }
 393         dc.DrawBitmap(params->m_labelBitmap, x, y, true);
 394     }
 395 }
 396
 397
 398 int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
 399 {
 400     // Copied and adapted from src/generic/listctrl.cpp
 401     const int HEADER_OFFSET_Y = 1;
 402     const int EXTRA_HEIGHT = 4;
 403
 404     int w=0, h=14, d=0;
 405     if (win)
 406         win->GetTextExtent(wxT("Hg"), &w, &h, &d);
 407
 408     return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
 409 }
 410
 411
 412 // draw the plus or minus sign
 413 void
 414 wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
 415                                       wxDC& dc,
 416                                       const wxRect& rect,
 417                                       int flags)
 418 {
 419     // store settings
 420     wxDCPenChanger penChanger(dc, *wxGREY_PEN);
 421     wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);
 422
 423     dc.DrawRectangle(rect);
 424
 425     // black lines
 426     const wxCoord xMiddle = rect.x + rect.width/2;
 427     const wxCoord yMiddle = rect.y + rect.height/2;
 428
 429     // half of the length of the horz lines in "-" and "+"
 430     const wxCoord halfWidth = rect.width/2 - 2;
 431     dc.SetPen(*wxBLACK_PEN);
 432     dc.DrawLine(xMiddle - halfWidth, yMiddle,
 433                 xMiddle + halfWidth + 1, yMiddle);
 434
 435     if ( !(flags & wxCONTROL_EXPANDED) )
 436     {
 437         // turn "-" into "+"
 438         const wxCoord halfHeight = rect.height/2 - 2;
 439         dc.DrawLine(xMiddle, yMiddle - halfHeight,
 440                     xMiddle, yMiddle + halfHeight + 1);
 441     }
 442 }
 443
 444 // ----------------------------------------------------------------------------
 445 // sash drawing
 446 // ----------------------------------------------------------------------------
 447
 448 wxSplitterRenderParams
 449 wxRendererGeneric::GetSplitterParams(const wxWindow *win)
 450 {
 451     // see below
 452     wxCoord sashWidth,
 453             border;
 454
 455     if ( win->HasFlag(wxSP_3DSASH) )
 456         sashWidth = 7;
 457     else if ( win->HasFlag(wxSP_NOSASH) )
 458         sashWidth = 0;
 459     else // no 3D effect
 460         sashWidth = 3;
 461
 462     if ( win->HasFlag(wxSP_3DBORDER) )
 463         border = 2;
 464     else // no 3D effect
 465         border = 0;
 466
 467     return wxSplitterRenderParams(sashWidth, border, false);
 468 }
 469
 470 void
 471 wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
 472                                       wxDC& dc,
 473                                       const wxRect& rectOrig,
 474                                       int WXUNUSED(falgs))
 475 {
 476     if ( win->HasFlag(wxSP_3DBORDER) )
 477     {
 478         wxRect rect = rectOrig;
 479         DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
 480         DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
 481     }
 482 }
 483
 484 void
 485 wxRendererGeneric::DrawSplitterSash(wxWindow *win,
 486                                     wxDC& dcReal,
 487                                     const wxSize& sizeReal,
 488                                     wxCoord position,
 489                                     wxOrientation orient,
 490                                     int WXUNUSED(flags))
 491 {
 492     // to avoid duplicating the same code for horizontal and vertical sashes,
 493     // simply mirror the DC instead if needed (i.e. if horz splitter)
 494     wxMirrorDC dc(dcReal, orient != wxVERTICAL);
 495     wxSize size = dc.Reflect(sizeReal);
 496
 497
 498     // we draw a Win32-like grey sash with possible 3D border here:
 499     //
 500     //   ---- this is position
 501     //  /
 502     // v
 503     // dWGGGDd
 504     // GWGGGDB
 505     // GWGGGDB  where G is light grey (face)
 506     // GWGGGDB        W    white      (light)
 507     // GWGGGDB        D    dark grey  (shadow)
 508     // GWGGGDB        B    black      (dark shadow)
 509     // GWGGGDB
 510     // GWGGGDB  and lower letters are our border (already drawn)
 511     // GWGGGDB
 512     // wWGGGDd
 513     //
 514     // only the middle 3 columns are drawn unless wxSP_3D is specified
 515
 516     const wxCoord h = size.y;
 517     wxCoord offset = 0;
 518
 519     // If we're drawing the border, draw the sash 3d lines shorter
 520     if ( win->HasFlag(wxSP_3DBORDER) )
 521     {
 522         offset = 1;
 523     }
 524
 525     dc.SetPen(*wxTRANSPARENT_PEN);
 526     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 527
 528     if ( win->HasFlag(wxSP_3DSASH) )
 529     {
 530         // Draw the 3D sash
 531         dc.DrawRectangle(position + 2, 0, 3, h);
 532
 533         dc.SetPen(m_penLightGrey);
 534         dc.DrawLine(position, offset, position, h - offset);
 535
 536         dc.SetPen(m_penHighlight);
 537         dc.DrawLine(position + 1, 0, position + 1, h);
 538
 539         dc.SetPen(m_penDarkGrey);
 540         dc.DrawLine(position + 5, 0, position + 5, h);
 541
 542         dc.SetPen(m_penBlack);
 543         dc.DrawLine(position + 6, offset, position + 6, h - offset);
 544     }
 545     else
 546     {
 547         // Draw a flat sash
 548         dc.DrawRectangle(position, 0, 3, h);
 549     }
 550 }
 551
 552 // ----------------------------------------------------------------------------
 553 // button drawing
 554 // ----------------------------------------------------------------------------
 555
 556 void
 557 wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
 558                                           wxDC& dc,
 559                                           const wxRect& rect,
 560                                           int flags)
 561 {
 562     DrawPushButton(win,dc,rect,flags);
 563     DrawDropArrow(win,dc,rect,flags);
 564 }
 565
 566 void
 567 wxRendererGeneric::DrawDropArrow(wxWindow *win,
 568                                  wxDC& dc,
 569                                  const wxRect& rect,
 570                                  int WXUNUSED(flags))
 571 {
 572     // This generic implementation should be good
 573     // enough for Windows platforms (including XP).
 574
 575     int arrowHalf = rect.width/5;
 576     int rectMid = rect.width / 2;
 577     int arrowTopY = (rect.height/2) - (arrowHalf/2);
 578
 579     // This should always result in arrow with odd width.
 580     wxPoint pt[] =
 581     {
 582         wxPoint(rectMid - arrowHalf, arrowTopY),
 583         wxPoint(rectMid + arrowHalf, arrowTopY),
 584         wxPoint(rectMid, arrowTopY + arrowHalf)
 585     };
 586     dc.SetBrush(wxBrush(win->GetForegroundColour()));
 587     dc.SetPen(wxPen(win->GetForegroundColour()));
 588     dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
 589 }
 590
 591 void
 592 wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
 593                                 wxDC& dc,
 594                                 const wxRect& rect,
 595                                 int flags)
 596 {
 597     dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
 598     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 599     dc.DrawRectangle(rect);
 600
 601     if ( flags & wxCONTROL_CHECKED )
 602     {
 603         dc.DrawCheckMark(rect.Deflate(2, 2));
 604     }
 605 }
 606
 607 void
 608 wxRendererGeneric::DrawPushButton(wxWindow *win,
 609                                   wxDC& dc,
 610                                   const wxRect& rect,
 611                                   int flags)
 612 {
 613     // Don't try anything too fancy. It'll just turn out looking
 614     // out-of-place on most platforms.
 615     wxColour bgCol = flags & wxCONTROL_DISABLED ?
 616                         wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
 617                         win->GetBackgroundColour();
 618     dc.SetBrush(wxBrush(bgCol));
 619     dc.SetPen(wxPen(bgCol));
 620     dc.DrawRectangle(rect);
 621 }
 622
 623 void
 624 wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
 625                                          wxDC& dc,
 626                                          const wxRect& rect,
 627                                          int flags)
 628 {
 629     wxBrush brush;
 630     if ( flags & wxCONTROL_SELECTED )
 631     {
 632         if ( flags & wxCONTROL_FOCUSED )
 633         {
 634             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 635         }
 636         else // !focused
 637         {
 638             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 639         }
 640     }
 641     else // !selected
 642     {
 643         brush = *wxTRANSPARENT_BRUSH;
 644     }
 645
 646     dc.SetBrush(brush);
 647     dc.SetPen(flags & wxCONTROL_CURRENT ? *wxBLACK_PEN : *wxTRANSPARENT_PEN);
 648
 649     dc.DrawRectangle( rect );
 650 }
 651
 652
 653 // ----------------------------------------------------------------------------
 654 // A module to allow cleanup of generic renderer.
 655 // ----------------------------------------------------------------------------
 656
 657 class wxGenericRendererModule: public wxModule
 658 {
 659 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
 660 public:
 661     wxGenericRendererModule() {}
 662     bool OnInit() { return true; };
 663     void OnExit() { wxRendererGeneric::Cleanup(); };
 664 };
 665
 666 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)