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     #include "wx/control.h"
  36 #endif //WX_PRECOMP
  37
  38 #include "wx/splitter.h"
  39 #include "wx/dcmirror.h"
  40
  41 #ifdef __WXMAC__
  42     #include "wx/osx/private.h"
  43 #endif
  44
  45 // ----------------------------------------------------------------------------
  46 // wxRendererGeneric: our wxRendererNative implementation
  47 // ----------------------------------------------------------------------------
  48
  49 class WXDLLEXPORT wxRendererGeneric : public wxRendererNative
  50 {
  51 public:
  52     wxRendererGeneric();
  53
  54     virtual int  DrawHeaderButton(wxWindow *win,
  55                                   wxDC& dc,
  56                                   const wxRect& rect,
  57                                   int flags = 0,
  58                                   wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  59                                   wxHeaderButtonParams* params = NULL);
  60
  61     virtual int  DrawHeaderButtonContents(wxWindow *win,
  62                                           wxDC& dc,
  63                                           const wxRect& rect,
  64                                           int flags = 0,
  65                                           wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  66                                           wxHeaderButtonParams* params = NULL);
  67
  68     virtual int GetHeaderButtonHeight(wxWindow *win);
  69
  70     virtual void DrawTreeItemButton(wxWindow *win,
  71                                     wxDC& dc,
  72                                     const wxRect& rect,
  73                                     int flags = 0);
  74
  75     virtual void DrawSplitterBorder(wxWindow *win,
  76                                     wxDC& dc,
  77                                     const wxRect& rect,
  78                                     int flags = 0);
  79
  80     virtual void DrawSplitterSash(wxWindow *win,
  81                                   wxDC& dc,
  82                                   const wxSize& size,
  83                                   wxCoord position,
  84                                   wxOrientation orient,
  85                                   int flags = 0);
  86
  87     virtual void DrawComboBoxDropButton(wxWindow *win,
  88                                         wxDC& dc,
  89                                         const wxRect& rect,
  90                                         int flags = 0);
  91
  92     virtual void DrawDropArrow(wxWindow *win,
  93                                wxDC& dc,
  94                                const wxRect& rect,
  95                                int flags = 0);
  96
  97     virtual void DrawCheckBox(wxWindow *win,
  98                               wxDC& dc,
  99                               const wxRect& rect,
 100                               int flags = 0);
 101
 102     virtual wxSize GetCheckBoxSize(wxWindow *win);
 103
 104     virtual void DrawPushButton(wxWindow *win,
 105                                 wxDC& dc,
 106                                 const wxRect& rect,
 107                                 int flags = 0);
 108
 109     virtual void DrawItemSelectionRect(wxWindow *win,
 110                                        wxDC& dc,
 111                                        const wxRect& rect,
 112                                        int flags = 0);
 113
 114     virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
 115
 116     virtual void DrawChoice(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 117
 118     virtual void DrawComboBox(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 119
 120     virtual void DrawTextCtrl(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 121
 122     virtual void DrawRadioBitmap(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 123
 124 #ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
 125     virtual void DrawTitleBarBitmap(wxWindow *win,
 126                                     wxDC& dc,
 127                                     const wxRect& rect,
 128                                     wxTitleBarButton button,
 129                                     int flags = 0);
 130 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 131
 132     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 133
 134     virtual wxRendererVersion GetVersion() const
 135     {
 136         return wxRendererVersion(wxRendererVersion::Current_Version,
 137                                  wxRendererVersion::Current_Age);
 138     }
 139
 140
 141     // Cleanup by deleting standard renderer
 142     static void Cleanup();
 143
 144     // Get the generic object
 145     static wxRendererGeneric* DoGetGeneric();
 146
 147 protected:
 148     // draw the rectange using the first pen for the left and top sides and
 149     // the second one for the bottom and right ones
 150     void DrawShadedRect(wxDC& dc, wxRect *rect,
 151                         const wxPen& pen1, const wxPen& pen2);
 152
 153     // the standard pens
 154     wxPen m_penBlack,
 155           m_penDarkGrey,
 156           m_penLightGrey,
 157           m_penHighlight;
 158
 159     static wxRendererGeneric* sm_rendererGeneric;
 160 };
 161
 162 // ============================================================================
 163 // wxRendererGeneric implementation
 164 // ============================================================================
 165
 166 // Get the generic object
 167 wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
 168 {
 169     if (!sm_rendererGeneric)
 170         sm_rendererGeneric = new wxRendererGeneric;
 171     return sm_rendererGeneric;
 172 }
 173
 174 // ----------------------------------------------------------------------------
 175 // wxRendererGeneric creation
 176 // ----------------------------------------------------------------------------
 177
 178 /* static */
 179 wxRendererNative& wxRendererNative::GetGeneric()
 180 {
 181     return * wxRendererGeneric::DoGetGeneric();
 182 }
 183
 184 void wxRendererGeneric::Cleanup()
 185 {
 186     wxDELETE(sm_rendererGeneric);
 187 }
 188
 189 wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
 190
 191 wxRendererGeneric::wxRendererGeneric()
 192     : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
 193       m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
 194       m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
 195       m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
 196 {
 197 }
 198
 199 // ----------------------------------------------------------------------------
 200 // wxRendererGeneric helpers
 201 // ----------------------------------------------------------------------------
 202
 203 void
 204 wxRendererGeneric::DrawShadedRect(wxDC& dc,
 205                                   wxRect *rect,
 206                                   const wxPen& pen1,
 207                                   const wxPen& pen2)
 208 {
 209     // draw the rectangle
 210     dc.SetPen(pen1);
 211     dc.DrawLine(rect->GetLeft(), rect->GetTop(),
 212                 rect->GetLeft(), rect->GetBottom());
 213     dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
 214                 rect->GetRight(), rect->GetTop());
 215     dc.SetPen(pen2);
 216     dc.DrawLine(rect->GetRight(), rect->GetTop(),
 217                 rect->GetRight(), rect->GetBottom());
 218     dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
 219                 rect->GetRight() + 1, rect->GetBottom());
 220
 221     // adjust the rect
 222     rect->Inflate(-1);
 223 }
 224
 225 // ----------------------------------------------------------------------------
 226 // tree/list ctrl drawing
 227 // ----------------------------------------------------------------------------
 228
 229 int
 230 wxRendererGeneric::DrawHeaderButton(wxWindow* win,
 231                                     wxDC& dc,
 232                                     const wxRect& rect,
 233                                     int flags,
 234                                     wxHeaderSortIconType sortArrow,
 235                                     wxHeaderButtonParams* params)
 236 {
 237     const wxCoord x = rect.x,
 238                   y = rect.y,
 239                   w = rect.width,
 240                   h = rect.height;
 241
 242     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 243     dc.SetPen(*wxTRANSPARENT_PEN);
 244     dc.DrawRectangle(rect);
 245
 246     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 247
 248     dc.SetPen(m_penBlack);
 249     dc.DrawLine( x+w-1, y, x+w-1, y+h );  // right (outer)
 250     dc.DrawLine( x, y+h-1, x+w, y+h-1 );  // bottom (outer)
 251
 252     dc.SetPen(m_penDarkGrey);
 253     dc.DrawLine( x+w-2, y+1, x+w-2, y+h-1 );  // right (inner)
 254     dc.DrawLine( x+1, y+h-2, x+w-1, y+h-2 );  // bottom (inner)
 255
 256     dc.SetPen(m_penHighlight);
 257     dc.DrawLine( x, y, x, y+h-1 ); // left (outer)
 258     dc.DrawLine( x, y, x+w-1, y ); // top (outer)
 259
 260     return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 261 }
 262
 263
 264 int
 265 wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win,
 266                                             wxDC& dc,
 267                                             const wxRect& rect,
 268                                             int flags,
 269                                             wxHeaderSortIconType sortArrow,
 270                                             wxHeaderButtonParams* params)
 271 {
 272     int labelWidth = 0;
 273
 274     // Mark this item as selected.  For the generic version we'll just draw an
 275     // underline
 276     if ( flags & wxCONTROL_SELECTED )
 277     {
 278         // draw a line at the bottom of the header button, overlaying the
 279         // native hot-tracking line (on XP)
 280         const int penwidth = 3;
 281         int y = rect.y + rect.height + 1 - penwidth;
 282         wxColour c = (params && params->m_selectionColour.Ok()) ?
 283             params->m_selectionColour : wxColour(0x66, 0x66, 0x66);
 284         wxPen pen(c, penwidth);
 285         pen.SetCap(wxCAP_BUTT);
 286         dc.SetPen(pen);
 287         dc.DrawLine(rect.x, y, rect.x + rect.width, y);
 288     }
 289
 290     // Draw an up or down arrow
 291     int arrowSpace = 0;
 292     if (sortArrow != wxHDR_SORT_ICON_NONE )
 293     {
 294         wxRect ar = rect;
 295
 296         // make a rect for the arrow
 297         ar.height = 4;
 298         ar.width = 8;
 299         ar.y += (rect.height - ar.height)/2;
 300         ar.x = ar.x + rect.width - 3*ar.width/2;
 301         arrowSpace = 3*ar.width/2; // space to preserve when drawing the label
 302
 303         wxPoint triPt[3];
 304         if ( sortArrow & wxHDR_SORT_ICON_UP )
 305         {
 306             triPt[0].x = ar.width / 2;
 307             triPt[0].y = 0;
 308             triPt[1].x = ar.width;
 309             triPt[1].y = ar.height;
 310             triPt[2].x = 0;
 311             triPt[2].y = ar.height;
 312         }
 313         else
 314         {
 315             triPt[0].x = 0;
 316             triPt[0].y = 0;
 317             triPt[1].x = ar.width;
 318             triPt[1].y = 0;
 319             triPt[2].x = ar.width / 2;
 320             triPt[2].y = ar.height;
 321         }
 322
 323         wxColour c = (params && params->m_arrowColour.Ok()) ?
 324             params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
 325
 326         wxDCPenChanger setPen(dc, c);
 327         wxDCBrushChanger setBrush(dc, c);
 328
 329         wxDCClipper clip(dc, rect);
 330         dc.DrawPolygon( 3, triPt, ar.x, ar.y);
 331     }
 332     labelWidth += arrowSpace;
 333
 334     int bmpWidth = 0;
 335
 336     // draw the bitmap if there is one
 337     if ( params && params->m_labelBitmap.Ok() )
 338     {
 339         int w = params->m_labelBitmap.GetWidth();
 340         int h = params->m_labelBitmap.GetHeight();
 341
 342         const int margin = 1; // an extra pixel on either side of the bitmap
 343
 344         bmpWidth = w + 2*margin;
 345         labelWidth += bmpWidth;
 346
 347         int x = rect.x + margin;
 348         const int y = rect.y + wxMax(1, (rect.height - h) / 2);
 349
 350         const int extraSpace = rect.width - labelWidth;
 351         if ( params->m_labelText.empty() && extraSpace > 0 )
 352         {
 353             // use the alignment flags
 354             switch (params->m_labelAlignment)
 355             {
 356                 default:
 357                 case wxALIGN_LEFT:
 358                     break;
 359
 360                 case wxALIGN_CENTER:
 361                     x += extraSpace/2;
 362                     break;
 363
 364                 case wxALIGN_RIGHT:
 365                     x += extraSpace;
 366                     break;
 367             }
 368         }
 369
 370         wxDCClipper clip(dc, rect);
 371         dc.DrawBitmap(params->m_labelBitmap, x, y, true);
 372     }
 373
 374     // Draw a label if one is given
 375     if ( params && !params->m_labelText.empty() )
 376     {
 377         const int margin = 5;   // number of pixels to reserve on either side of the label
 378         labelWidth += 2*margin;
 379
 380         wxFont font  = params->m_labelFont.Ok() ?
 381             params->m_labelFont : win->GetFont();
 382         wxColour clr = params->m_labelColour.Ok() ?
 383             params->m_labelColour : win->GetForegroundColour();
 384
 385         wxString label( params->m_labelText );
 386
 387         dc.SetFont(font);
 388         dc.SetTextForeground(clr);
 389         dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 390
 391         int tw, th, td;
 392         dc.GetTextExtent( label, &tw, &th, &td);
 393
 394         int x = rect.x + bmpWidth + margin;
 395         const int y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);
 396
 397         // truncate and add an ellipsis (...) if the text is too wide.
 398         const int availWidth = rect.width - labelWidth;
 399         if ( tw > availWidth )
 400         {
 401             label = wxControl::Ellipsize(label,
 402                                          dc,
 403                                          wxELLIPSIZE_END,
 404                                          availWidth,
 405                                          wxELLIPSIZE_FLAGS_NONE);
 406             tw = dc.GetTextExtent(label).x;
 407         }
 408         else // enough space, we can respect alignment
 409         {
 410             switch (params->m_labelAlignment)
 411             {
 412                 default:
 413                 case wxALIGN_LEFT:
 414                     break;
 415
 416                 case wxALIGN_CENTER:
 417                     x += (availWidth - tw)/2;
 418                     break;
 419
 420                 case wxALIGN_RIGHT:
 421                     x += availWidth - tw;
 422                     break;
 423             }
 424         }
 425
 426         dc.DrawText(label, x, y);
 427
 428         labelWidth += tw;
 429     }
 430
 431     return labelWidth;
 432 }
 433
 434
 435 int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
 436 {
 437     // Copied and adapted from src/generic/listctrl.cpp
 438     const int HEADER_OFFSET_Y = 1;
 439     const int EXTRA_HEIGHT = 4;
 440
 441     int w=0, h=14, d=0;
 442     if (win)
 443         win->GetTextExtent(wxT("Hg"), &w, &h, &d);
 444
 445     return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
 446 }
 447
 448
 449 // draw the plus or minus sign
 450 void
 451 wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
 452                                       wxDC& dc,
 453                                       const wxRect& rect,
 454                                       int flags)
 455 {
 456     // store settings
 457     wxDCPenChanger penChanger(dc, *wxGREY_PEN);
 458     wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);
 459
 460     dc.DrawRectangle(rect);
 461
 462     // black lines
 463     const wxCoord xMiddle = rect.x + rect.width/2;
 464     const wxCoord yMiddle = rect.y + rect.height/2;
 465
 466     // half of the length of the horz lines in "-" and "+"
 467     const wxCoord halfWidth = rect.width/2 - 2;
 468     dc.SetPen(*wxBLACK_PEN);
 469     dc.DrawLine(xMiddle - halfWidth, yMiddle,
 470                 xMiddle + halfWidth + 1, yMiddle);
 471
 472     if ( !(flags & wxCONTROL_EXPANDED) )
 473     {
 474         // turn "-" into "+"
 475         const wxCoord halfHeight = rect.height/2 - 2;
 476         dc.DrawLine(xMiddle, yMiddle - halfHeight,
 477                     xMiddle, yMiddle + halfHeight + 1);
 478     }
 479 }
 480
 481 // ----------------------------------------------------------------------------
 482 // sash drawing
 483 // ----------------------------------------------------------------------------
 484
 485 wxSplitterRenderParams
 486 wxRendererGeneric::GetSplitterParams(const wxWindow *win)
 487 {
 488     // see below
 489     wxCoord sashWidth,
 490             border;
 491
 492     if ( win->HasFlag(wxSP_3DSASH) )
 493         sashWidth = 7;
 494     else if ( win->HasFlag(wxSP_NOSASH) )
 495         sashWidth = 0;
 496     else // no 3D effect
 497         sashWidth = 3;
 498
 499     if ( win->HasFlag(wxSP_3DBORDER) )
 500         border = 2;
 501     else // no 3D effect
 502         border = 0;
 503
 504     return wxSplitterRenderParams(sashWidth, border, false);
 505 }
 506
 507 void
 508 wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
 509                                       wxDC& dc,
 510                                       const wxRect& rectOrig,
 511                                       int WXUNUSED(falgs))
 512 {
 513     if ( win->HasFlag(wxSP_3DBORDER) )
 514     {
 515         wxRect rect = rectOrig;
 516         DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
 517         DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
 518     }
 519 }
 520
 521 void
 522 wxRendererGeneric::DrawSplitterSash(wxWindow *win,
 523                                     wxDC& dcReal,
 524                                     const wxSize& sizeReal,
 525                                     wxCoord position,
 526                                     wxOrientation orient,
 527                                     int WXUNUSED(flags))
 528 {
 529     // to avoid duplicating the same code for horizontal and vertical sashes,
 530     // simply mirror the DC instead if needed (i.e. if horz splitter)
 531     wxMirrorDC dc(dcReal, orient != wxVERTICAL);
 532     wxSize size = dc.Reflect(sizeReal);
 533
 534
 535     // we draw a Win32-like grey sash with possible 3D border here:
 536     //
 537     //   ---- this is position
 538     //  /
 539     // v
 540     // dWGGGDd
 541     // GWGGGDB
 542     // GWGGGDB  where G is light grey (face)
 543     // GWGGGDB        W    white      (light)
 544     // GWGGGDB        D    dark grey  (shadow)
 545     // GWGGGDB        B    black      (dark shadow)
 546     // GWGGGDB
 547     // GWGGGDB  and lower letters are our border (already drawn)
 548     // GWGGGDB
 549     // wWGGGDd
 550     //
 551     // only the middle 3 columns are drawn unless wxSP_3D is specified
 552
 553     const wxCoord h = size.y;
 554     wxCoord offset = 0;
 555
 556     // If we're drawing the border, draw the sash 3d lines shorter
 557     if ( win->HasFlag(wxSP_3DBORDER) )
 558     {
 559         offset = 1;
 560     }
 561
 562     dc.SetPen(*wxTRANSPARENT_PEN);
 563     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 564
 565     if ( win->HasFlag(wxSP_3DSASH) )
 566     {
 567         // Draw the 3D sash
 568         dc.DrawRectangle(position + 2, 0, 3, h);
 569
 570         dc.SetPen(m_penLightGrey);
 571         dc.DrawLine(position, offset, position, h - offset);
 572
 573         dc.SetPen(m_penHighlight);
 574         dc.DrawLine(position + 1, 0, position + 1, h);
 575
 576         dc.SetPen(m_penDarkGrey);
 577         dc.DrawLine(position + 5, 0, position + 5, h);
 578
 579         dc.SetPen(m_penBlack);
 580         dc.DrawLine(position + 6, offset, position + 6, h - offset);
 581     }
 582     else
 583     {
 584         // Draw a flat sash
 585         dc.DrawRectangle(position, 0, 3, h);
 586     }
 587 }
 588
 589 // ----------------------------------------------------------------------------
 590 // button drawing
 591 // ----------------------------------------------------------------------------
 592
 593 void
 594 wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
 595                                           wxDC& dc,
 596                                           const wxRect& rect,
 597                                           int flags)
 598 {
 599     DrawPushButton(win,dc,rect,flags);
 600     DrawDropArrow(win,dc,rect,flags);
 601 }
 602
 603 void
 604 wxRendererGeneric::DrawDropArrow(wxWindow *win,
 605                                  wxDC& dc,
 606                                  const wxRect& rect,
 607                                  int WXUNUSED(flags))
 608 {
 609     // This generic implementation should be good
 610     // enough for Windows platforms (including XP).
 611
 612     int arrowHalf = rect.width/5;
 613     int rectMid = rect.width / 2;
 614     int arrowTopY = (rect.height/2) - (arrowHalf/2);
 615
 616     // This should always result in arrow with odd width.
 617     wxPoint pt[] =
 618     {
 619         wxPoint(rectMid - arrowHalf, arrowTopY),
 620         wxPoint(rectMid + arrowHalf, arrowTopY),
 621         wxPoint(rectMid, arrowTopY + arrowHalf)
 622     };
 623     dc.SetBrush(wxBrush(win->GetForegroundColour()));
 624     dc.SetPen(wxPen(win->GetForegroundColour()));
 625     dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
 626 }
 627
 628 void
 629 wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
 630                                 wxDC& dc,
 631                                 const wxRect& rect,
 632                                 int flags)
 633 {
 634     dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
 635     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 636     dc.DrawRectangle(rect);
 637
 638     if ( flags & wxCONTROL_CHECKED )
 639     {
 640         dc.DrawCheckMark(rect.Deflate(2, 2));
 641     }
 642 }
 643
 644 wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
 645 {
 646     return wxSize(16, 16);
 647 }
 648
 649 void
 650 wxRendererGeneric::DrawPushButton(wxWindow *win,
 651                                   wxDC& dc,
 652                                   const wxRect& rect,
 653                                   int flags)
 654 {
 655     // Don't try anything too fancy. It'll just turn out looking
 656     // out-of-place on most platforms.
 657     wxColour bgCol = flags & wxCONTROL_DISABLED ?
 658                         wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
 659                         win->GetBackgroundColour();
 660     dc.SetBrush(wxBrush(bgCol));
 661     dc.SetPen(wxPen(bgCol));
 662     dc.DrawRectangle(rect);
 663 }
 664
 665 void
 666 wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
 667                                          wxDC& dc,
 668                                          const wxRect& rect,
 669                                          int flags)
 670 {
 671     wxBrush brush;
 672     if ( flags & wxCONTROL_SELECTED )
 673     {
 674         if ( flags & wxCONTROL_FOCUSED )
 675         {
 676             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 677         }
 678         else // !focused
 679         {
 680             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 681         }
 682     }
 683     else // !selected
 684     {
 685         brush = *wxTRANSPARENT_BRUSH;
 686     }
 687
 688     dc.SetBrush(brush);
 689     if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
 690 #if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
 691                 && IsControlActive( (ControlRef)win->GetHandle() )
 692 #endif
 693     )
 694         dc.SetPen( *wxBLACK_PEN );
 695     else
 696         dc.SetPen( *wxTRANSPARENT_PEN );
 697
 698     dc.DrawRectangle( rect );
 699
 700     // it's unused everywhere except in wxOSX/Carbon
 701     wxUnusedVar(win);
 702 }
 703
 704 void
 705 wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
 706 {
 707     // draw the pixels manually because the "dots" in wxPen with wxDOT style
 708     // may be short traits and not really dots
 709     //
 710     // note that to behave in the same manner as DrawRect(), we must exclude
 711     // the bottom and right borders from the rectangle
 712     wxCoord x1 = rect.GetLeft(),
 713             y1 = rect.GetTop(),
 714             x2 = rect.GetRight(),
 715             y2 = rect.GetBottom();
 716
 717     dc.SetPen(m_penBlack);
 718
 719 #ifdef __WXMAC__
 720     dc.SetLogicalFunction(wxCOPY);
 721 #else
 722     // this seems to be closer than what Windows does than wxINVERT although
 723     // I'm still not sure if it's correct
 724     dc.SetLogicalFunction(wxAND_REVERSE);
 725 #endif
 726
 727     wxCoord z;
 728     for ( z = x1 + 1; z < x2; z += 2 )
 729         dc.DrawPoint(z, rect.GetTop());
 730
 731     wxCoord shift = z == x2 ? 0 : 1;
 732     for ( z = y1 + shift; z < y2; z += 2 )
 733         dc.DrawPoint(x2, z);
 734
 735     shift = z == y2 ? 0 : 1;
 736     for ( z = x2 - shift; z > x1; z -= 2 )
 737         dc.DrawPoint(z, y2);
 738
 739     shift = z == x1 ? 0 : 1;
 740     for ( z = y2 - shift; z > y1; z -= 2 )
 741         dc.DrawPoint(x1, z);
 742
 743     dc.SetLogicalFunction(wxCOPY);
 744 }
 745
 746 void wxRendererGeneric::DrawChoice(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 747                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 748 {
 749     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawChoice");
 750 }
 751
 752 void wxRendererGeneric::DrawComboBox(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 753                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 754 {
 755     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawComboBox");
 756 }
 757
 758 void wxRendererGeneric::DrawRadioBitmap(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 759                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 760 {
 761     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawRadioBitmap");
 762 }
 763
 764 void wxRendererGeneric::DrawTextCtrl(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 765                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 766 {
 767     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawTextCtrl");
 768 }
 769
 770 #ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
 771
 772 void wxRendererGeneric::DrawTitleBarBitmap(wxWindow * WXUNUSED(win),
 773                                            wxDC& WXUNUSED(dc),
 774                                            const wxRect& WXUNUSED(rect),
 775                                            wxTitleBarButton WXUNUSED(button),
 776                                            int WXUNUSED(flags))
 777 {
 778     // no need to fail here, if wxHAS_DRAW_TITLE_BAR_BITMAP is defined this
 779     // will be implemented in the native renderer and this version is never
 780     // going to be used -- but we still need to define it to allow
 781     // instantiation of this class (which would have been pure virtual
 782     // otherwise)
 783 }
 784
 785 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 786
 787
 788 // ----------------------------------------------------------------------------
 789 // A module to allow cleanup of generic renderer.
 790 // ----------------------------------------------------------------------------
 791
 792 class wxGenericRendererModule: public wxModule
 793 {
 794 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
 795 public:
 796     wxGenericRendererModule() {}
 797     bool OnInit() { return true; }
 798     void OnExit() { wxRendererGeneric::Cleanup(); }
 799 };
 800
 801 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)