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 #ifdef __WXMAC__
  41     #include "wx/osx/private.h"
  42 #endif
  43
  44 // ----------------------------------------------------------------------------
  45 // wxRendererGeneric: our wxRendererNative implementation
  46 // ----------------------------------------------------------------------------
  47
  48 class WXDLLEXPORT wxRendererGeneric : public wxRendererNative
  49 {
  50 public:
  51     wxRendererGeneric();
  52
  53     virtual int  DrawHeaderButton(wxWindow *win,
  54                                   wxDC& dc,
  55                                   const wxRect& rect,
  56                                   int flags = 0,
  57                                   wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  58                                   wxHeaderButtonParams* params = NULL);
  59
  60     virtual int  DrawHeaderButtonContents(wxWindow *win,
  61                                           wxDC& dc,
  62                                           const wxRect& rect,
  63                                           int flags = 0,
  64                                           wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  65                                           wxHeaderButtonParams* params = NULL);
  66
  67     virtual int GetHeaderButtonHeight(wxWindow *win);
  68
  69     virtual void DrawTreeItemButton(wxWindow *win,
  70                                     wxDC& dc,
  71                                     const wxRect& rect,
  72                                     int flags = 0);
  73
  74     virtual void DrawSplitterBorder(wxWindow *win,
  75                                     wxDC& dc,
  76                                     const wxRect& rect,
  77                                     int flags = 0);
  78
  79     virtual void DrawSplitterSash(wxWindow *win,
  80                                   wxDC& dc,
  81                                   const wxSize& size,
  82                                   wxCoord position,
  83                                   wxOrientation orient,
  84                                   int flags = 0);
  85
  86     virtual void DrawComboBoxDropButton(wxWindow *win,
  87                                         wxDC& dc,
  88                                         const wxRect& rect,
  89                                         int flags = 0);
  90
  91     virtual void DrawDropArrow(wxWindow *win,
  92                                wxDC& dc,
  93                                const wxRect& rect,
  94                                int flags = 0);
  95
  96     virtual void DrawCheckBox(wxWindow *win,
  97                               wxDC& dc,
  98                               const wxRect& rect,
  99                               int flags = 0);
 100
 101     virtual wxSize GetCheckBoxSize(wxWindow *win);
 102
 103     virtual void DrawPushButton(wxWindow *win,
 104                                 wxDC& dc,
 105                                 const wxRect& rect,
 106                                 int flags = 0);
 107
 108     virtual void DrawItemSelectionRect(wxWindow *win,
 109                                        wxDC& dc,
 110                                        const wxRect& rect,
 111                                        int flags = 0);
 112
 113     virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
 114
 115     virtual void DrawChoice(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 116
 117     virtual void DrawComboBox(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 118
 119     virtual void DrawTextCtrl(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 120
 121     virtual void DrawRadioButton(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 122
 123     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 124
 125     virtual wxRendererVersion GetVersion() const
 126     {
 127         return wxRendererVersion(wxRendererVersion::Current_Version,
 128                                  wxRendererVersion::Current_Age);
 129     }
 130
 131
 132     // Cleanup by deleting standard renderer
 133     static void Cleanup();
 134
 135     // Get the generic object
 136     static wxRendererGeneric* DoGetGeneric();
 137
 138 protected:
 139     // draw the rectange using the first pen for the left and top sides and
 140     // the second one for the bottom and right ones
 141     void DrawShadedRect(wxDC& dc, wxRect *rect,
 142                         const wxPen& pen1, const wxPen& pen2);
 143
 144     // the standard pens
 145     wxPen m_penBlack,
 146           m_penDarkGrey,
 147           m_penLightGrey,
 148           m_penHighlight;
 149
 150     static wxRendererGeneric* sm_rendererGeneric;
 151 };
 152
 153 // ============================================================================
 154 // wxRendererGeneric implementation
 155 // ============================================================================
 156
 157 // Get the generic object
 158 wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
 159 {
 160     if (!sm_rendererGeneric)
 161         sm_rendererGeneric = new wxRendererGeneric;
 162     return sm_rendererGeneric;
 163 }
 164
 165 // ----------------------------------------------------------------------------
 166 // wxRendererGeneric creation
 167 // ----------------------------------------------------------------------------
 168
 169 /* static */
 170 wxRendererNative& wxRendererNative::GetGeneric()
 171 {
 172     return * wxRendererGeneric::DoGetGeneric();
 173 }
 174
 175 void wxRendererGeneric::Cleanup()
 176 {
 177     if (sm_rendererGeneric)
 178         delete sm_rendererGeneric;
 179
 180     sm_rendererGeneric = NULL;
 181 }
 182
 183 wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
 184
 185 wxRendererGeneric::wxRendererGeneric()
 186     : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
 187       m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
 188       m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
 189       m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
 190 {
 191 }
 192
 193 // ----------------------------------------------------------------------------
 194 // wxRendererGeneric helpers
 195 // ----------------------------------------------------------------------------
 196
 197 void
 198 wxRendererGeneric::DrawShadedRect(wxDC& dc,
 199                                   wxRect *rect,
 200                                   const wxPen& pen1,
 201                                   const wxPen& pen2)
 202 {
 203     // draw the rectangle
 204     dc.SetPen(pen1);
 205     dc.DrawLine(rect->GetLeft(), rect->GetTop(),
 206                 rect->GetLeft(), rect->GetBottom());
 207     dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
 208                 rect->GetRight(), rect->GetTop());
 209     dc.SetPen(pen2);
 210     dc.DrawLine(rect->GetRight(), rect->GetTop(),
 211                 rect->GetRight(), rect->GetBottom());
 212     dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
 213                 rect->GetRight() + 1, rect->GetBottom());
 214
 215     // adjust the rect
 216     rect->Inflate(-1);
 217 }
 218
 219 // ----------------------------------------------------------------------------
 220 // tree/list ctrl drawing
 221 // ----------------------------------------------------------------------------
 222
 223 int
 224 wxRendererGeneric::DrawHeaderButton(wxWindow* win,
 225                                     wxDC& dc,
 226                                     const wxRect& rect,
 227                                     int flags,
 228                                     wxHeaderSortIconType sortArrow,
 229                                     wxHeaderButtonParams* params)
 230 {
 231     const wxCoord x = rect.x,
 232                   y = rect.y,
 233                   w = rect.width,
 234                   h = rect.height;
 235
 236     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 237     dc.SetPen(*wxTRANSPARENT_PEN);
 238     dc.DrawRectangle(rect);
 239
 240     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 241
 242     dc.SetPen(m_penBlack);
 243     dc.DrawLine( x+w-1, y, x+w-1, y+h );  // right (outer)
 244     dc.DrawLine( x, y+h-1, x+w, y+h-1 );  // bottom (outer)
 245
 246     dc.SetPen(m_penDarkGrey);
 247     dc.DrawLine( x+w-2, y+1, x+w-2, y+h-1 );  // right (inner)
 248     dc.DrawLine( x+1, y+h-2, x+w-1, y+h-2 );  // bottom (inner)
 249
 250     dc.SetPen(m_penHighlight);
 251     dc.DrawLine( x, y, x, y+h-1 ); // left (outer)
 252     dc.DrawLine( x, y, x+w-1, y ); // top (outer)
 253
 254     return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 255 }
 256
 257
 258 int
 259 wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win,
 260                                             wxDC& dc,
 261                                             const wxRect& rect,
 262                                             int flags,
 263                                             wxHeaderSortIconType sortArrow,
 264                                             wxHeaderButtonParams* params)
 265 {
 266     int labelWidth = 0;
 267
 268     // Mark this item as selected.  For the generic version we'll just draw an
 269     // underline
 270     if ( flags & wxCONTROL_SELECTED )
 271     {
 272         // draw a line at the bottom of the header button, overlaying the
 273         // native hot-tracking line (on XP)
 274         const int penwidth = 3;
 275         int y = rect.y + rect.height + 1 - penwidth;
 276         wxColour c = (params && params->m_selectionColour.Ok()) ?
 277             params->m_selectionColour : wxColour(0x66, 0x66, 0x66);
 278         wxPen pen(c, penwidth);
 279         pen.SetCap(wxCAP_BUTT);
 280         dc.SetPen(pen);
 281         dc.DrawLine(rect.x, y, rect.x + rect.width, y);
 282     }
 283
 284     // Draw an up or down arrow
 285     int arrowSpace = 0;
 286     if (sortArrow != wxHDR_SORT_ICON_NONE )
 287     {
 288         wxRect ar = rect;
 289
 290         // make a rect for the arrow
 291         ar.height = 4;
 292         ar.width = 8;
 293         ar.y += (rect.height - ar.height)/2;
 294         ar.x = ar.x + rect.width - 3*ar.width/2;
 295         arrowSpace = 3*ar.width/2; // space to preserve when drawing the label
 296
 297         wxPoint triPt[3];
 298         if ( sortArrow & wxHDR_SORT_ICON_UP )
 299         {
 300             triPt[0].x = ar.width / 2;
 301             triPt[0].y = 0;
 302             triPt[1].x = ar.width;
 303             triPt[1].y = ar.height;
 304             triPt[2].x = 0;
 305             triPt[2].y = ar.height;
 306         }
 307         else
 308         {
 309             triPt[0].x = 0;
 310             triPt[0].y = 0;
 311             triPt[1].x = ar.width;
 312             triPt[1].y = 0;
 313             triPt[2].x = ar.width / 2;
 314             triPt[2].y = ar.height;
 315         }
 316
 317         wxColour c = (params && params->m_arrowColour.Ok()) ?
 318             params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
 319         dc.SetPen(wxPen(c));
 320         dc.SetBrush(wxBrush(c));
 321         dc.DrawPolygon( 3, triPt, ar.x, ar.y);
 322     }
 323     labelWidth += arrowSpace;
 324
 325     const int margin = 5;   // number of pixels to reserve on either side of the label
 326     int bmpWidth = 0;
 327     int txtEnd = 0;
 328
 329     if ( params && params->m_labelBitmap.Ok() )
 330         bmpWidth = params->m_labelBitmap.GetWidth() + 2;
 331
 332     labelWidth += bmpWidth + 2*margin;
 333
 334     // Draw a label if one is given
 335     if ( params && !params->m_labelText.empty() )
 336     {
 337         wxFont font  = params->m_labelFont.Ok() ?
 338             params->m_labelFont : win->GetFont();
 339         wxColour clr = params->m_labelColour.Ok() ?
 340             params->m_labelColour : win->GetForegroundColour();
 341
 342         wxString label( params->m_labelText );
 343
 344         dc.SetFont(font);
 345         dc.SetTextForeground(clr);
 346         dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 347
 348         int tw, th, td, x, y;
 349         dc.GetTextExtent( label, &tw, &th, &td);
 350         labelWidth += tw;
 351         y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);
 352 #ifdef __WXGTK__
 353         y += 2; // No idea why.
 354 #endif
 355
 356         // truncate and add an ellipsis (...) if the text is too wide.
 357         int targetWidth = rect.width - arrowSpace - bmpWidth - 2*margin;
 358         if ( tw > targetWidth )
 359         {
 360             int ellipsisWidth;
 361             dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL);
 362             do {
 363                 label.Truncate( label.length() - 1 );
 364                 dc.GetTextExtent( label, &tw, &th);
 365             } while (tw + ellipsisWidth > targetWidth && label.length() );
 366             label.append( wxT("...") );
 367             tw += ellipsisWidth;
 368         }
 369
 370         switch (params->m_labelAlignment)
 371         {
 372             default:
 373             case wxALIGN_LEFT:
 374                 x = rect.x + margin;
 375                 break;
 376             case wxALIGN_CENTER:
 377                 x = rect.x + wxMax(0, (rect.width - arrowSpace  - tw - bmpWidth)/2);
 378                 break;
 379             case wxALIGN_RIGHT:
 380                 x = rect.x + wxMax(0, rect.width - arrowSpace - margin - tw - bmpWidth);
 381                 break;
 382         }
 383
 384         dc.DrawText(label, x, y);
 385         txtEnd = x + tw + 2;
 386     }
 387
 388     // draw the bitmap if there is one
 389     if ( params && params->m_labelBitmap.Ok() )
 390     {
 391         int w, h, x, y;
 392         w = params->m_labelBitmap.GetWidth();
 393         h = params->m_labelBitmap.GetHeight();
 394
 395         y = rect.y + wxMax(1, (rect.height - h) / 2);
 396
 397         // if there is a text label, then put the bitmap at the end of the label
 398         if ( txtEnd != 0 )
 399         {
 400             x = txtEnd;
 401         }
 402         // otherwise use the alignment flags
 403         else
 404         {
 405             switch (params->m_labelAlignment)
 406             {
 407                 default:
 408                 case wxALIGN_LEFT:
 409                     x = rect.x + margin;
 410                     break;
 411                 case wxALIGN_CENTER:
 412                     x = rect.x + wxMax(1, (rect.width - arrowSpace - w)/2);
 413                     break;
 414                 case wxALIGN_RIGHT:
 415                     x = rect.x + wxMax(1, rect.width - arrowSpace - margin - w);
 416                     break;
 417             }
 418         }
 419         dc.DrawBitmap(params->m_labelBitmap, x, y, true);
 420     }
 421     return labelWidth;
 422 }
 423
 424
 425 int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
 426 {
 427     // Copied and adapted from src/generic/listctrl.cpp
 428     const int HEADER_OFFSET_Y = 1;
 429     const int EXTRA_HEIGHT = 4;
 430
 431     int w=0, h=14, d=0;
 432     if (win)
 433         win->GetTextExtent(wxT("Hg"), &w, &h, &d);
 434
 435     return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
 436 }
 437
 438
 439 // draw the plus or minus sign
 440 void
 441 wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
 442                                       wxDC& dc,
 443                                       const wxRect& rect,
 444                                       int flags)
 445 {
 446     // store settings
 447     wxDCPenChanger penChanger(dc, *wxGREY_PEN);
 448     wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);
 449
 450     dc.DrawRectangle(rect);
 451
 452     // black lines
 453     const wxCoord xMiddle = rect.x + rect.width/2;
 454     const wxCoord yMiddle = rect.y + rect.height/2;
 455
 456     // half of the length of the horz lines in "-" and "+"
 457     const wxCoord halfWidth = rect.width/2 - 2;
 458     dc.SetPen(*wxBLACK_PEN);
 459     dc.DrawLine(xMiddle - halfWidth, yMiddle,
 460                 xMiddle + halfWidth + 1, yMiddle);
 461
 462     if ( !(flags & wxCONTROL_EXPANDED) )
 463     {
 464         // turn "-" into "+"
 465         const wxCoord halfHeight = rect.height/2 - 2;
 466         dc.DrawLine(xMiddle, yMiddle - halfHeight,
 467                     xMiddle, yMiddle + halfHeight + 1);
 468     }
 469 }
 470
 471 // ----------------------------------------------------------------------------
 472 // sash drawing
 473 // ----------------------------------------------------------------------------
 474
 475 wxSplitterRenderParams
 476 wxRendererGeneric::GetSplitterParams(const wxWindow *win)
 477 {
 478     // see below
 479     wxCoord sashWidth,
 480             border;
 481
 482     if ( win->HasFlag(wxSP_3DSASH) )
 483         sashWidth = 7;
 484     else if ( win->HasFlag(wxSP_NOSASH) )
 485         sashWidth = 0;
 486     else // no 3D effect
 487         sashWidth = 3;
 488
 489     if ( win->HasFlag(wxSP_3DBORDER) )
 490         border = 2;
 491     else // no 3D effect
 492         border = 0;
 493
 494     return wxSplitterRenderParams(sashWidth, border, false);
 495 }
 496
 497 void
 498 wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
 499                                       wxDC& dc,
 500                                       const wxRect& rectOrig,
 501                                       int WXUNUSED(falgs))
 502 {
 503     if ( win->HasFlag(wxSP_3DBORDER) )
 504     {
 505         wxRect rect = rectOrig;
 506         DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
 507         DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
 508     }
 509 }
 510
 511 void
 512 wxRendererGeneric::DrawSplitterSash(wxWindow *win,
 513                                     wxDC& dcReal,
 514                                     const wxSize& sizeReal,
 515                                     wxCoord position,
 516                                     wxOrientation orient,
 517                                     int WXUNUSED(flags))
 518 {
 519     // to avoid duplicating the same code for horizontal and vertical sashes,
 520     // simply mirror the DC instead if needed (i.e. if horz splitter)
 521     wxMirrorDC dc(dcReal, orient != wxVERTICAL);
 522     wxSize size = dc.Reflect(sizeReal);
 523
 524
 525     // we draw a Win32-like grey sash with possible 3D border here:
 526     //
 527     //   ---- this is position
 528     //  /
 529     // v
 530     // dWGGGDd
 531     // GWGGGDB
 532     // GWGGGDB  where G is light grey (face)
 533     // GWGGGDB        W    white      (light)
 534     // GWGGGDB        D    dark grey  (shadow)
 535     // GWGGGDB        B    black      (dark shadow)
 536     // GWGGGDB
 537     // GWGGGDB  and lower letters are our border (already drawn)
 538     // GWGGGDB
 539     // wWGGGDd
 540     //
 541     // only the middle 3 columns are drawn unless wxSP_3D is specified
 542
 543     const wxCoord h = size.y;
 544     wxCoord offset = 0;
 545
 546     // If we're drawing the border, draw the sash 3d lines shorter
 547     if ( win->HasFlag(wxSP_3DBORDER) )
 548     {
 549         offset = 1;
 550     }
 551
 552     dc.SetPen(*wxTRANSPARENT_PEN);
 553     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 554
 555     if ( win->HasFlag(wxSP_3DSASH) )
 556     {
 557         // Draw the 3D sash
 558         dc.DrawRectangle(position + 2, 0, 3, h);
 559
 560         dc.SetPen(m_penLightGrey);
 561         dc.DrawLine(position, offset, position, h - offset);
 562
 563         dc.SetPen(m_penHighlight);
 564         dc.DrawLine(position + 1, 0, position + 1, h);
 565
 566         dc.SetPen(m_penDarkGrey);
 567         dc.DrawLine(position + 5, 0, position + 5, h);
 568
 569         dc.SetPen(m_penBlack);
 570         dc.DrawLine(position + 6, offset, position + 6, h - offset);
 571     }
 572     else
 573     {
 574         // Draw a flat sash
 575         dc.DrawRectangle(position, 0, 3, h);
 576     }
 577 }
 578
 579 // ----------------------------------------------------------------------------
 580 // button drawing
 581 // ----------------------------------------------------------------------------
 582
 583 void
 584 wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
 585                                           wxDC& dc,
 586                                           const wxRect& rect,
 587                                           int flags)
 588 {
 589     DrawPushButton(win,dc,rect,flags);
 590     DrawDropArrow(win,dc,rect,flags);
 591 }
 592
 593 void
 594 wxRendererGeneric::DrawDropArrow(wxWindow *win,
 595                                  wxDC& dc,
 596                                  const wxRect& rect,
 597                                  int WXUNUSED(flags))
 598 {
 599     // This generic implementation should be good
 600     // enough for Windows platforms (including XP).
 601
 602     int arrowHalf = rect.width/5;
 603     int rectMid = rect.width / 2;
 604     int arrowTopY = (rect.height/2) - (arrowHalf/2);
 605
 606     // This should always result in arrow with odd width.
 607     wxPoint pt[] =
 608     {
 609         wxPoint(rectMid - arrowHalf, arrowTopY),
 610         wxPoint(rectMid + arrowHalf, arrowTopY),
 611         wxPoint(rectMid, arrowTopY + arrowHalf)
 612     };
 613     dc.SetBrush(wxBrush(win->GetForegroundColour()));
 614     dc.SetPen(wxPen(win->GetForegroundColour()));
 615     dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
 616 }
 617
 618 void
 619 wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
 620                                 wxDC& dc,
 621                                 const wxRect& rect,
 622                                 int flags)
 623 {
 624     dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
 625     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 626     dc.DrawRectangle(rect);
 627
 628     if ( flags & wxCONTROL_CHECKED )
 629     {
 630         dc.DrawCheckMark(rect.Deflate(2, 2));
 631     }
 632 }
 633
 634 wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
 635 {
 636     return wxSize(16, 16);
 637 }
 638
 639 void
 640 wxRendererGeneric::DrawPushButton(wxWindow *win,
 641                                   wxDC& dc,
 642                                   const wxRect& rect,
 643                                   int flags)
 644 {
 645     // Don't try anything too fancy. It'll just turn out looking
 646     // out-of-place on most platforms.
 647     wxColour bgCol = flags & wxCONTROL_DISABLED ?
 648                         wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
 649                         win->GetBackgroundColour();
 650     dc.SetBrush(wxBrush(bgCol));
 651     dc.SetPen(wxPen(bgCol));
 652     dc.DrawRectangle(rect);
 653 }
 654
 655 void
 656 #ifdef __WXMAC__
 657 wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
 658                                          wxDC& dc,
 659                                          const wxRect& rect,
 660                                          int flags)
 661 #else
 662 wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
 663                                          wxDC& dc,
 664                                          const wxRect& rect,
 665                                          int flags)
 666 #endif
 667 {
 668     wxBrush brush;
 669     if ( flags & wxCONTROL_SELECTED )
 670     {
 671         if ( flags & wxCONTROL_FOCUSED )
 672         {
 673             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 674         }
 675         else // !focused
 676         {
 677             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 678         }
 679     }
 680     else // !selected
 681     {
 682         brush = *wxTRANSPARENT_BRUSH;
 683     }
 684
 685     dc.SetBrush(brush);
 686     if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
 687 #if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
 688                 && IsControlActive( (ControlRef)win->GetHandle() )
 689 #endif
 690     )
 691         dc.SetPen( *wxBLACK_PEN );
 692     else
 693         dc.SetPen( *wxTRANSPARENT_PEN );
 694
 695     dc.DrawRectangle( rect );
 696 }
 697
 698 void
 699 wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
 700 {
 701     // draw the pixels manually because the "dots" in wxPen with wxDOT style
 702     // may be short traits and not really dots
 703     //
 704     // note that to behave in the same manner as DrawRect(), we must exclude
 705     // the bottom and right borders from the rectangle
 706     wxCoord x1 = rect.GetLeft(),
 707             y1 = rect.GetTop(),
 708             x2 = rect.GetRight(),
 709             y2 = rect.GetBottom();
 710
 711     dc.SetPen(m_penBlack);
 712
 713 #ifdef __WXMAC__
 714     dc.SetLogicalFunction(wxCOPY);
 715 #else
 716     // this seems to be closer than what Windows does than wxINVERT although
 717     // I'm still not sure if it's correct
 718     dc.SetLogicalFunction(wxAND_REVERSE);
 719 #endif
 720
 721     wxCoord z;
 722     for ( z = x1 + 1; z < x2; z += 2 )
 723         dc.DrawPoint(z, rect.GetTop());
 724
 725     wxCoord shift = z == x2 ? 0 : 1;
 726     for ( z = y1 + shift; z < y2; z += 2 )
 727         dc.DrawPoint(x2, z);
 728
 729     shift = z == y2 ? 0 : 1;
 730     for ( z = x2 - shift; z > x1; z -= 2 )
 731         dc.DrawPoint(z, y2);
 732
 733     shift = z == x1 ? 0 : 1;
 734     for ( z = y2 - shift; z > y1; z -= 2 )
 735         dc.DrawPoint(x1, z);
 736
 737     dc.SetLogicalFunction(wxCOPY);
 738 }
 739
 740 void wxRendererGeneric::DrawChoice(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 741                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 742 {
 743     // FIXME: Implement
 744 }
 745
 746 void wxRendererGeneric::DrawComboBox(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 747                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 748 {
 749     // FIXME: Implement
 750 }
 751
 752 void wxRendererGeneric::DrawRadioButton(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 753                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 754 {
 755     // FIXME: Implement
 756 }
 757
 758 void wxRendererGeneric::DrawTextCtrl(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 759                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 760 {
 761     // FIXME: Implement
 762 }
 763
 764
 765
 766
 767 // ----------------------------------------------------------------------------
 768 // A module to allow cleanup of generic renderer.
 769 // ----------------------------------------------------------------------------
 770
 771 class wxGenericRendererModule: public wxModule
 772 {
 773 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
 774 public:
 775     wxGenericRendererModule() {}
 776     bool OnInit() { return true; }
 777     void OnExit() { wxRendererGeneric::Cleanup(); }
 778 };
 779
 780 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)