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 int  DrawHeaderButton(wxWindow *win,
  50                                   wxDC& dc,
  51                                   const wxRect& rect,
  52                                   int flags = 0,
  53                                   wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  54                                   wxHeaderButtonParams* params = NULL);
  55
  56     virtual int  DrawHeaderButtonContents(wxWindow *win,
  57                                           wxDC& dc,
  58                                           const wxRect& rect,
  59                                           int flags = 0,
  60                                           wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  61                                           wxHeaderButtonParams* params = NULL);
  62
  63     virtual int GetHeaderButtonHeight(wxWindow *win);
  64
  65     virtual void DrawTreeItemButton(wxWindow *win,
  66                                     wxDC& dc,
  67                                     const wxRect& rect,
  68                                     int flags = 0);
  69
  70     virtual void DrawSplitterBorder(wxWindow *win,
  71                                     wxDC& dc,
  72                                     const wxRect& rect,
  73                                     int flags = 0);
  74
  75     virtual void DrawSplitterSash(wxWindow *win,
  76                                   wxDC& dc,
  77                                   const wxSize& size,
  78                                   wxCoord position,
  79                                   wxOrientation orient,
  80                                   int flags = 0);
  81
  82     virtual void DrawComboBoxDropButton(wxWindow *win,
  83                                         wxDC& dc,
  84                                         const wxRect& rect,
  85                                         int flags = 0);
  86
  87     virtual void DrawDropArrow(wxWindow *win,
  88                                wxDC& dc,
  89                                const wxRect& rect,
  90                                int flags = 0);
  91
  92     virtual void DrawCheckBox(wxWindow *win,
  93                               wxDC& dc,
  94                               const wxRect& rect,
  95                               int flags = 0);
  96
  97     virtual void DrawPushButton(wxWindow *win,
  98                                 wxDC& dc,
  99                                 const wxRect& rect,
 100                                 int flags = 0);
 101
 102     virtual void DrawItemSelectionRect(wxWindow *win,
 103                                        wxDC& dc,
 104                                        const wxRect& rect,
 105                                        int flags = 0);
 106
 107     virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
 108
 109     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 110
 111     virtual wxRendererVersion GetVersion() const
 112     {
 113         return wxRendererVersion(wxRendererVersion::Current_Version,
 114                                  wxRendererVersion::Current_Age);
 115     }
 116
 117
 118     // Cleanup by deleting standard renderer
 119     static void Cleanup();
 120
 121     // Get the generic object
 122     static wxRendererGeneric* DoGetGeneric();
 123
 124 protected:
 125     // draw the rectange using the first pen for the left and top sides and
 126     // the second one for the bottom and right ones
 127     void DrawShadedRect(wxDC& dc, wxRect *rect,
 128                         const wxPen& pen1, const wxPen& pen2);
 129
 130     // the standard pens
 131     wxPen m_penBlack,
 132           m_penDarkGrey,
 133           m_penLightGrey,
 134           m_penHighlight;
 135
 136     static wxRendererGeneric* sm_rendererGeneric;
 137 };
 138
 139 // ============================================================================
 140 // wxRendererGeneric implementation
 141 // ============================================================================
 142
 143 // Get the generic object
 144 wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
 145 {
 146     if (!sm_rendererGeneric)
 147         sm_rendererGeneric = new wxRendererGeneric;
 148     return sm_rendererGeneric;
 149 }
 150
 151 // ----------------------------------------------------------------------------
 152 // wxRendererGeneric creation
 153 // ----------------------------------------------------------------------------
 154
 155 /* static */
 156 wxRendererNative& wxRendererNative::GetGeneric()
 157 {
 158     return * wxRendererGeneric::DoGetGeneric();
 159 }
 160
 161 void wxRendererGeneric::Cleanup()
 162 {
 163     if (sm_rendererGeneric)
 164         delete sm_rendererGeneric;
 165
 166     sm_rendererGeneric = NULL;
 167 }
 168
 169 wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
 170
 171 wxRendererGeneric::wxRendererGeneric()
 172     : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
 173       m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
 174       m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
 175       m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
 176 {
 177 }
 178
 179 // ----------------------------------------------------------------------------
 180 // wxRendererGeneric helpers
 181 // ----------------------------------------------------------------------------
 182
 183 void
 184 wxRendererGeneric::DrawShadedRect(wxDC& dc,
 185                                   wxRect *rect,
 186                                   const wxPen& pen1,
 187                                   const wxPen& pen2)
 188 {
 189     // draw the rectangle
 190     dc.SetPen(pen1);
 191     dc.DrawLine(rect->GetLeft(), rect->GetTop(),
 192                 rect->GetLeft(), rect->GetBottom());
 193     dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
 194                 rect->GetRight(), rect->GetTop());
 195     dc.SetPen(pen2);
 196     dc.DrawLine(rect->GetRight(), rect->GetTop(),
 197                 rect->GetRight(), rect->GetBottom());
 198     dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
 199                 rect->GetRight() + 1, rect->GetBottom());
 200
 201     // adjust the rect
 202     rect->Inflate(-1);
 203 }
 204
 205 // ----------------------------------------------------------------------------
 206 // tree/list ctrl drawing
 207 // ----------------------------------------------------------------------------
 208
 209 int
 210 wxRendererGeneric::DrawHeaderButton(wxWindow* win,
 211                                     wxDC& dc,
 212                                     const wxRect& rect,
 213                                     int flags,
 214                                     wxHeaderSortIconType sortArrow,
 215                                     wxHeaderButtonParams* params)
 216 {
 217     const int CORNER = 1;
 218
 219     const wxCoord x = rect.x,
 220                   y = rect.y,
 221                   w = rect.width,
 222                   h = rect.height;
 223
 224     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 225     dc.SetPen(*wxTRANSPARENT_PEN);
 226     dc.DrawRectangle(rect);
 227
 228     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 229
 230     dc.SetPen(m_penBlack);
 231     dc.DrawLine( x+w-CORNER+1, y, x+w, y+h );  // right (outer)
 232     dc.DrawRectangle( x, y+h, w+1, 1 );        // bottom (outer)
 233
 234     dc.SetPen(m_penDarkGrey);
 235     dc.DrawLine( x+w-CORNER, y, x+w-1, y+h );  // right (inner)
 236     dc.DrawRectangle( x+1, y+h-1, w-2, 1 );    // bottom (inner)
 237
 238     dc.SetPen(m_penHighlight);
 239     dc.DrawRectangle( x, y, w-CORNER+1, 1 );   // top (outer)
 240     dc.DrawRectangle( x, y, 1, h );            // left (outer)
 241     dc.DrawLine( x, y+h-1, x+1, y+h-1 );
 242     dc.DrawLine( x+w-1, y, x+w-1, y+1 );
 243
 244     return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 245 }
 246
 247
 248 int
 249 wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win,
 250                                             wxDC& dc,
 251                                             const wxRect& rect,
 252                                             int flags,
 253                                             wxHeaderSortIconType sortArrow,
 254                                             wxHeaderButtonParams* params)
 255 {
 256     int labelWidth = 0;
 257
 258     // Mark this item as selected.  For the generic version we'll just draw an
 259     // underline
 260     if ( flags & wxCONTROL_SELECTED )
 261     {
 262         // draw a line at the bottom of the header button, overlaying the
 263         // native hot-tracking line (on XP)
 264         const int penwidth = 3;
 265         int y = rect.y + rect.height + 1 - penwidth;
 266         wxColour c = (params && params->m_selectionColour.Ok()) ?
 267             params->m_selectionColour : wxColour(0x66, 0x66, 0x66);
 268         wxPen pen(c, penwidth);
 269         pen.SetCap(wxCAP_BUTT);
 270         dc.SetPen(pen);
 271         dc.DrawLine(rect.x, y, rect.x + rect.width, y);
 272     }
 273
 274     // Draw an up or down arrow
 275     int arrowSpace = 0;
 276     if (sortArrow != wxHDR_SORT_ICON_NONE )
 277     {
 278         wxRect ar = rect;
 279
 280         // make a rect for the arrow
 281         ar.height = 4;
 282         ar.width = 8;
 283         ar.y += (rect.height - ar.height)/2;
 284         ar.x = ar.x + rect.width - 3*ar.width/2;
 285         arrowSpace = 3*ar.width/2; // space to preserve when drawing the label
 286
 287         wxPoint triPt[3];
 288         if ( sortArrow & wxHDR_SORT_ICON_UP )
 289         {
 290             triPt[0].x = ar.width / 2;
 291             triPt[0].y = 0;
 292             triPt[1].x = ar.width;
 293             triPt[1].y = ar.height;
 294             triPt[2].x = 0;
 295             triPt[2].y = ar.height;
 296         }
 297         else
 298         {
 299             triPt[0].x = 0;
 300             triPt[0].y = 0;
 301             triPt[1].x = ar.width;
 302             triPt[1].y = 0;
 303             triPt[2].x = ar.width / 2;
 304             triPt[2].y = ar.height;
 305         }
 306
 307         wxColour c = (params && params->m_arrowColour.Ok()) ?
 308             params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
 309         dc.SetPen(wxPen(c));
 310         dc.SetBrush(wxBrush(c));
 311         dc.DrawPolygon( 3, triPt, ar.x, ar.y);
 312     }
 313     labelWidth += arrowSpace;
 314
 315     const int margin = 5;   // number of pixels to reserve on either side of the label
 316     int bmpWidth = 0;
 317     int txtEnd = 0;
 318
 319     if ( params && params->m_labelBitmap.Ok() )
 320         bmpWidth = params->m_labelBitmap.GetWidth() + 2;
 321
 322     labelWidth += bmpWidth + 2*margin;
 323
 324     // Draw a label if one is given
 325     if ( params && !params->m_labelText.empty() )
 326     {
 327         wxFont font  = params->m_labelFont.Ok() ?
 328             params->m_labelFont : win->GetFont();
 329         wxColour clr = params->m_labelColour.Ok() ?
 330             params->m_labelColour : win->GetForegroundColour();
 331
 332         wxString label( params->m_labelText );
 333
 334         dc.SetFont(font);
 335         dc.SetTextForeground(clr);
 336         dc.SetBackgroundMode(wxTRANSPARENT);
 337
 338         int tw, th, td, x, y;
 339         dc.GetTextExtent( label, &tw, &th, &td);
 340         labelWidth += tw;
 341         y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);
 342
 343         // truncate and add an ellipsis (...) if the text is too wide.
 344         int targetWidth = rect.width - arrowSpace - bmpWidth - 2*margin;
 345         if ( tw > targetWidth )
 346         {
 347             int ellipsisWidth;
 348             dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL);
 349             do {
 350                 label.Truncate( label.length() - 1 );
 351                 dc.GetTextExtent( label, &tw, &th);
 352             } while (tw + ellipsisWidth > targetWidth && label.length() );
 353             label.append( wxT("...") );
 354             tw += ellipsisWidth;
 355         }
 356
 357         switch (params->m_labelAlignment)
 358         {
 359             default:
 360             case wxALIGN_LEFT:
 361                 x = rect.x + margin;
 362                 break;
 363             case wxALIGN_CENTER:
 364                 x = rect.x + wxMax(0, (rect.width - arrowSpace  - tw - bmpWidth)/2);
 365                 break;
 366             case wxALIGN_RIGHT:
 367                 x = rect.x + wxMax(0, rect.width - arrowSpace - margin - tw - bmpWidth);
 368                 break;
 369         }
 370
 371         dc.DrawText(label, x, y);
 372         txtEnd = x + tw + 2;
 373     }
 374
 375     // draw the bitmap if there is one
 376     if ( params && params->m_labelBitmap.Ok() )
 377     {
 378         int w, h, x, y;
 379         w = params->m_labelBitmap.GetWidth();
 380         h = params->m_labelBitmap.GetHeight();
 381
 382         y = rect.y + wxMax(1, (rect.height - h) / 2);
 383
 384         // if there is a text label, then put the bitmap at the end of the label
 385         if ( txtEnd != 0 )
 386         {
 387             x = txtEnd;
 388         }
 389         // otherwise use the alignment flags
 390         else
 391         {
 392             switch (params->m_labelAlignment)
 393             {
 394                 default:
 395                 case wxALIGN_LEFT:
 396                     x = rect.x + margin;
 397                     break;
 398                 case wxALIGN_CENTER:
 399                     x = rect.x + wxMax(1, (rect.width - arrowSpace - w)/2);
 400                     break;
 401                 case wxALIGN_RIGHT:
 402                     x = rect.x + wxMax(1, rect.width - arrowSpace - margin - w);
 403                     break;
 404             }
 405         }
 406         dc.DrawBitmap(params->m_labelBitmap, x, y, true);
 407     }
 408     return labelWidth;
 409 }
 410
 411
 412 int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
 413 {
 414     // Copied and adapted from src/generic/listctrl.cpp
 415     const int HEADER_OFFSET_Y = 1;
 416     const int EXTRA_HEIGHT = 4;
 417
 418     int w=0, h=14, d=0;
 419     if (win)
 420         win->GetTextExtent(wxT("Hg"), &w, &h, &d);
 421
 422     return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
 423 }
 424
 425
 426 // draw the plus or minus sign
 427 void
 428 wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
 429                                       wxDC& dc,
 430                                       const wxRect& rect,
 431                                       int flags)
 432 {
 433     // store settings
 434     wxDCPenChanger penChanger(dc, *wxGREY_PEN);
 435     wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);
 436
 437     dc.DrawRectangle(rect);
 438
 439     // black lines
 440     const wxCoord xMiddle = rect.x + rect.width/2;
 441     const wxCoord yMiddle = rect.y + rect.height/2;
 442
 443     // half of the length of the horz lines in "-" and "+"
 444     const wxCoord halfWidth = rect.width/2 - 2;
 445     dc.SetPen(*wxBLACK_PEN);
 446     dc.DrawLine(xMiddle - halfWidth, yMiddle,
 447                 xMiddle + halfWidth + 1, yMiddle);
 448
 449     if ( !(flags & wxCONTROL_EXPANDED) )
 450     {
 451         // turn "-" into "+"
 452         const wxCoord halfHeight = rect.height/2 - 2;
 453         dc.DrawLine(xMiddle, yMiddle - halfHeight,
 454                     xMiddle, yMiddle + halfHeight + 1);
 455     }
 456 }
 457
 458 // ----------------------------------------------------------------------------
 459 // sash drawing
 460 // ----------------------------------------------------------------------------
 461
 462 wxSplitterRenderParams
 463 wxRendererGeneric::GetSplitterParams(const wxWindow *win)
 464 {
 465     // see below
 466     wxCoord sashWidth,
 467             border;
 468
 469     if ( win->HasFlag(wxSP_3DSASH) )
 470         sashWidth = 7;
 471     else if ( win->HasFlag(wxSP_NOSASH) )
 472         sashWidth = 0;
 473     else // no 3D effect
 474         sashWidth = 3;
 475
 476     if ( win->HasFlag(wxSP_3DBORDER) )
 477         border = 2;
 478     else // no 3D effect
 479         border = 0;
 480
 481     return wxSplitterRenderParams(sashWidth, border, false);
 482 }
 483
 484 void
 485 wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
 486                                       wxDC& dc,
 487                                       const wxRect& rectOrig,
 488                                       int WXUNUSED(falgs))
 489 {
 490     if ( win->HasFlag(wxSP_3DBORDER) )
 491     {
 492         wxRect rect = rectOrig;
 493         DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
 494         DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
 495     }
 496 }
 497
 498 void
 499 wxRendererGeneric::DrawSplitterSash(wxWindow *win,
 500                                     wxDC& dcReal,
 501                                     const wxSize& sizeReal,
 502                                     wxCoord position,
 503                                     wxOrientation orient,
 504                                     int WXUNUSED(flags))
 505 {
 506     // to avoid duplicating the same code for horizontal and vertical sashes,
 507     // simply mirror the DC instead if needed (i.e. if horz splitter)
 508     wxMirrorDC dc(dcReal, orient != wxVERTICAL);
 509     wxSize size = dc.Reflect(sizeReal);
 510
 511
 512     // we draw a Win32-like grey sash with possible 3D border here:
 513     //
 514     //   ---- this is position
 515     //  /
 516     // v
 517     // dWGGGDd
 518     // GWGGGDB
 519     // GWGGGDB  where G is light grey (face)
 520     // GWGGGDB        W    white      (light)
 521     // GWGGGDB        D    dark grey  (shadow)
 522     // GWGGGDB        B    black      (dark shadow)
 523     // GWGGGDB
 524     // GWGGGDB  and lower letters are our border (already drawn)
 525     // GWGGGDB
 526     // wWGGGDd
 527     //
 528     // only the middle 3 columns are drawn unless wxSP_3D is specified
 529
 530     const wxCoord h = size.y;
 531     wxCoord offset = 0;
 532
 533     // If we're drawing the border, draw the sash 3d lines shorter
 534     if ( win->HasFlag(wxSP_3DBORDER) )
 535     {
 536         offset = 1;
 537     }
 538
 539     dc.SetPen(*wxTRANSPARENT_PEN);
 540     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 541
 542     if ( win->HasFlag(wxSP_3DSASH) )
 543     {
 544         // Draw the 3D sash
 545         dc.DrawRectangle(position + 2, 0, 3, h);
 546
 547         dc.SetPen(m_penLightGrey);
 548         dc.DrawLine(position, offset, position, h - offset);
 549
 550         dc.SetPen(m_penHighlight);
 551         dc.DrawLine(position + 1, 0, position + 1, h);
 552
 553         dc.SetPen(m_penDarkGrey);
 554         dc.DrawLine(position + 5, 0, position + 5, h);
 555
 556         dc.SetPen(m_penBlack);
 557         dc.DrawLine(position + 6, offset, position + 6, h - offset);
 558     }
 559     else
 560     {
 561         // Draw a flat sash
 562         dc.DrawRectangle(position, 0, 3, h);
 563     }
 564 }
 565
 566 // ----------------------------------------------------------------------------
 567 // button drawing
 568 // ----------------------------------------------------------------------------
 569
 570 void
 571 wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
 572                                           wxDC& dc,
 573                                           const wxRect& rect,
 574                                           int flags)
 575 {
 576     DrawPushButton(win,dc,rect,flags);
 577     DrawDropArrow(win,dc,rect,flags);
 578 }
 579
 580 void
 581 wxRendererGeneric::DrawDropArrow(wxWindow *win,
 582                                  wxDC& dc,
 583                                  const wxRect& rect,
 584                                  int WXUNUSED(flags))
 585 {
 586     // This generic implementation should be good
 587     // enough for Windows platforms (including XP).
 588
 589     int arrowHalf = rect.width/5;
 590     int rectMid = rect.width / 2;
 591     int arrowTopY = (rect.height/2) - (arrowHalf/2);
 592
 593     // This should always result in arrow with odd width.
 594     wxPoint pt[] =
 595     {
 596         wxPoint(rectMid - arrowHalf, arrowTopY),
 597         wxPoint(rectMid + arrowHalf, arrowTopY),
 598         wxPoint(rectMid, arrowTopY + arrowHalf)
 599     };
 600     dc.SetBrush(wxBrush(win->GetForegroundColour()));
 601     dc.SetPen(wxPen(win->GetForegroundColour()));
 602     dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
 603 }
 604
 605 void
 606 wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
 607                                 wxDC& dc,
 608                                 const wxRect& rect,
 609                                 int flags)
 610 {
 611     dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
 612     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 613     dc.DrawRectangle(rect);
 614
 615     if ( flags & wxCONTROL_CHECKED )
 616     {
 617         dc.DrawCheckMark(rect.Deflate(2, 2));
 618     }
 619 }
 620
 621 void
 622 wxRendererGeneric::DrawPushButton(wxWindow *win,
 623                                   wxDC& dc,
 624                                   const wxRect& rect,
 625                                   int flags)
 626 {
 627     // Don't try anything too fancy. It'll just turn out looking
 628     // out-of-place on most platforms.
 629     wxColour bgCol = flags & wxCONTROL_DISABLED ?
 630                         wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
 631                         win->GetBackgroundColour();
 632     dc.SetBrush(wxBrush(bgCol));
 633     dc.SetPen(wxPen(bgCol));
 634     dc.DrawRectangle(rect);
 635 }
 636
 637 void
 638 wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
 639                                          wxDC& dc,
 640                                          const wxRect& rect,
 641                                          int flags)
 642 {
 643     wxBrush brush;
 644     if ( flags & wxCONTROL_SELECTED )
 645     {
 646         if ( flags & wxCONTROL_FOCUSED )
 647         {
 648             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 649         }
 650         else // !focused
 651         {
 652             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 653         }
 654     }
 655     else // !selected
 656     {
 657         brush = *wxTRANSPARENT_BRUSH;
 658     }
 659
 660     dc.SetBrush(brush);
 661     dc.SetPen(flags & wxCONTROL_CURRENT ? *wxBLACK_PEN : *wxTRANSPARENT_PEN);
 662
 663     dc.DrawRectangle( rect );
 664 }
 665
 666 void
 667 wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
 668 {
 669     // draw the pixels manually because the "dots" in wxPen with wxDOT style
 670     // may be short traits and not really dots
 671     //
 672     // note that to behave in the same manner as DrawRect(), we must exclude
 673     // the bottom and right borders from the rectangle
 674     wxCoord x1 = rect.GetLeft(),
 675             y1 = rect.GetTop(),
 676             x2 = rect.GetRight(),
 677             y2 = rect.GetBottom();
 678
 679     dc.SetPen(m_penBlack);
 680
 681 #ifdef __WXMAC__
 682     dc.SetLogicalFunction(wxCOPY);
 683 #else
 684     // this seems to be closer than what Windows does than wxINVERT although
 685     // I'm still not sure if it's correct
 686     dc.SetLogicalFunction(wxAND_REVERSE);
 687 #endif
 688
 689     wxCoord z;
 690     for ( z = x1 + 1; z < x2; z += 2 )
 691         dc.DrawPoint(z, rect.GetTop());
 692
 693     wxCoord shift = z == x2 ? 0 : 1;
 694     for ( z = y1 + shift; z < y2; z += 2 )
 695         dc.DrawPoint(x2, z);
 696
 697     shift = z == y2 ? 0 : 1;
 698     for ( z = x2 - shift; z > x1; z -= 2 )
 699         dc.DrawPoint(z, y2);
 700
 701     shift = z == x1 ? 0 : 1;
 702     for ( z = y2 - shift; z > y1; z -= 2 )
 703         dc.DrawPoint(x1, z);
 704
 705     dc.SetLogicalFunction(wxCOPY);
 706 }
 707
 708 // ----------------------------------------------------------------------------
 709 // A module to allow cleanup of generic renderer.
 710 // ----------------------------------------------------------------------------
 711
 712 class wxGenericRendererModule: public wxModule
 713 {
 714 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
 715 public:
 716     wxGenericRendererModule() {}
 717     bool OnInit() { return true; }
 718     void OnExit() { wxRendererGeneric::Cleanup(); }
 719 };
 720
 721 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)