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 DrawRadioBitmap(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 122
 123 #ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
 124     virtual void DrawTitleBarBitmap(wxWindow *win,
 125                                     wxDC& dc,
 126                                     const wxRect& rect,
 127                                     wxTitleBarButton button,
 128                                     int flags = 0);
 129 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 130
 131     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 132
 133     virtual wxRendererVersion GetVersion() const
 134     {
 135         return wxRendererVersion(wxRendererVersion::Current_Version,
 136                                  wxRendererVersion::Current_Age);
 137     }
 138
 139
 140     // Cleanup by deleting standard renderer
 141     static void Cleanup();
 142
 143     // Get the generic object
 144     static wxRendererGeneric* DoGetGeneric();
 145
 146 protected:
 147     // draw the rectange using the first pen for the left and top sides and
 148     // the second one for the bottom and right ones
 149     void DrawShadedRect(wxDC& dc, wxRect *rect,
 150                         const wxPen& pen1, const wxPen& pen2);
 151
 152     // the standard pens
 153     wxPen m_penBlack,
 154           m_penDarkGrey,
 155           m_penLightGrey,
 156           m_penHighlight;
 157
 158     static wxRendererGeneric* sm_rendererGeneric;
 159 };
 160
 161 // ============================================================================
 162 // wxRendererGeneric implementation
 163 // ============================================================================
 164
 165 // Get the generic object
 166 wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
 167 {
 168     if (!sm_rendererGeneric)
 169         sm_rendererGeneric = new wxRendererGeneric;
 170     return sm_rendererGeneric;
 171 }
 172
 173 // ----------------------------------------------------------------------------
 174 // wxRendererGeneric creation
 175 // ----------------------------------------------------------------------------
 176
 177 /* static */
 178 wxRendererNative& wxRendererNative::GetGeneric()
 179 {
 180     return * wxRendererGeneric::DoGetGeneric();
 181 }
 182
 183 void wxRendererGeneric::Cleanup()
 184 {
 185     if (sm_rendererGeneric)
 186         delete sm_rendererGeneric;
 187
 188     sm_rendererGeneric = NULL;
 189 }
 190
 191 wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
 192
 193 wxRendererGeneric::wxRendererGeneric()
 194     : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)),
 195       m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)),
 196       m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)),
 197       m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT))
 198 {
 199 }
 200
 201 // ----------------------------------------------------------------------------
 202 // wxRendererGeneric helpers
 203 // ----------------------------------------------------------------------------
 204
 205 void
 206 wxRendererGeneric::DrawShadedRect(wxDC& dc,
 207                                   wxRect *rect,
 208                                   const wxPen& pen1,
 209                                   const wxPen& pen2)
 210 {
 211     // draw the rectangle
 212     dc.SetPen(pen1);
 213     dc.DrawLine(rect->GetLeft(), rect->GetTop(),
 214                 rect->GetLeft(), rect->GetBottom());
 215     dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(),
 216                 rect->GetRight(), rect->GetTop());
 217     dc.SetPen(pen2);
 218     dc.DrawLine(rect->GetRight(), rect->GetTop(),
 219                 rect->GetRight(), rect->GetBottom());
 220     dc.DrawLine(rect->GetLeft(), rect->GetBottom(),
 221                 rect->GetRight() + 1, rect->GetBottom());
 222
 223     // adjust the rect
 224     rect->Inflate(-1);
 225 }
 226
 227 // ----------------------------------------------------------------------------
 228 // tree/list ctrl drawing
 229 // ----------------------------------------------------------------------------
 230
 231 int
 232 wxRendererGeneric::DrawHeaderButton(wxWindow* win,
 233                                     wxDC& dc,
 234                                     const wxRect& rect,
 235                                     int flags,
 236                                     wxHeaderSortIconType sortArrow,
 237                                     wxHeaderButtonParams* params)
 238 {
 239     const wxCoord x = rect.x,
 240                   y = rect.y,
 241                   w = rect.width,
 242                   h = rect.height;
 243
 244     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 245     dc.SetPen(*wxTRANSPARENT_PEN);
 246     dc.DrawRectangle(rect);
 247
 248     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 249
 250     dc.SetPen(m_penBlack);
 251     dc.DrawLine( x+w-1, y, x+w-1, y+h );  // right (outer)
 252     dc.DrawLine( x, y+h-1, x+w, y+h-1 );  // bottom (outer)
 253
 254     dc.SetPen(m_penDarkGrey);
 255     dc.DrawLine( x+w-2, y+1, x+w-2, y+h-1 );  // right (inner)
 256     dc.DrawLine( x+1, y+h-2, x+w-1, y+h-2 );  // bottom (inner)
 257
 258     dc.SetPen(m_penHighlight);
 259     dc.DrawLine( x, y, x, y+h-1 ); // left (outer)
 260     dc.DrawLine( x, y, x+w-1, y ); // top (outer)
 261
 262     return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 263 }
 264
 265
 266 int
 267 wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win,
 268                                             wxDC& dc,
 269                                             const wxRect& rect,
 270                                             int flags,
 271                                             wxHeaderSortIconType sortArrow,
 272                                             wxHeaderButtonParams* params)
 273 {
 274     int labelWidth = 0;
 275
 276     // Mark this item as selected.  For the generic version we'll just draw an
 277     // underline
 278     if ( flags & wxCONTROL_SELECTED )
 279     {
 280         // draw a line at the bottom of the header button, overlaying the
 281         // native hot-tracking line (on XP)
 282         const int penwidth = 3;
 283         int y = rect.y + rect.height + 1 - penwidth;
 284         wxColour c = (params && params->m_selectionColour.Ok()) ?
 285             params->m_selectionColour : wxColour(0x66, 0x66, 0x66);
 286         wxPen pen(c, penwidth);
 287         pen.SetCap(wxCAP_BUTT);
 288         dc.SetPen(pen);
 289         dc.DrawLine(rect.x, y, rect.x + rect.width, y);
 290     }
 291
 292     // Draw an up or down arrow
 293     int arrowSpace = 0;
 294     if (sortArrow != wxHDR_SORT_ICON_NONE )
 295     {
 296         wxRect ar = rect;
 297
 298         // make a rect for the arrow
 299         ar.height = 4;
 300         ar.width = 8;
 301         ar.y += (rect.height - ar.height)/2;
 302         ar.x = ar.x + rect.width - 3*ar.width/2;
 303         arrowSpace = 3*ar.width/2; // space to preserve when drawing the label
 304
 305         wxPoint triPt[3];
 306         if ( sortArrow & wxHDR_SORT_ICON_UP )
 307         {
 308             triPt[0].x = ar.width / 2;
 309             triPt[0].y = 0;
 310             triPt[1].x = ar.width;
 311             triPt[1].y = ar.height;
 312             triPt[2].x = 0;
 313             triPt[2].y = ar.height;
 314         }
 315         else
 316         {
 317             triPt[0].x = 0;
 318             triPt[0].y = 0;
 319             triPt[1].x = ar.width;
 320             triPt[1].y = 0;
 321             triPt[2].x = ar.width / 2;
 322             triPt[2].y = ar.height;
 323         }
 324
 325         wxColour c = (params && params->m_arrowColour.Ok()) ?
 326             params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
 327
 328         wxDCPenChanger setPen(dc, c);
 329         wxDCBrushChanger setBrush(dc, c);
 330
 331         wxDCClipper clip(dc, rect);
 332         dc.DrawPolygon( 3, triPt, ar.x, ar.y);
 333     }
 334     labelWidth += arrowSpace;
 335
 336     int bmpWidth = 0;
 337
 338     // draw the bitmap if there is one
 339     if ( params && params->m_labelBitmap.Ok() )
 340     {
 341         int w = params->m_labelBitmap.GetWidth();
 342         int h = params->m_labelBitmap.GetHeight();
 343
 344         const int margin = 1; // an extra pixel on either side of the bitmap
 345
 346         bmpWidth = w + 2*margin;
 347         labelWidth += bmpWidth;
 348
 349         int x = rect.x + margin;
 350         const int y = rect.y + wxMax(1, (rect.height - h) / 2);
 351
 352         const int extraSpace = rect.width - labelWidth;
 353         if ( params->m_labelText.empty() && extraSpace > 0 )
 354         {
 355             // use the alignment flags
 356             switch (params->m_labelAlignment)
 357             {
 358                 default:
 359                 case wxALIGN_LEFT:
 360                     break;
 361
 362                 case wxALIGN_CENTER:
 363                     x += extraSpace/2;
 364                     break;
 365
 366                 case wxALIGN_RIGHT:
 367                     x += extraSpace;
 368                     break;
 369             }
 370         }
 371
 372         wxDCClipper clip(dc, rect);
 373         dc.DrawBitmap(params->m_labelBitmap, x, y, true);
 374     }
 375
 376     // Draw a label if one is given
 377     if ( params && !params->m_labelText.empty() )
 378     {
 379         const int margin = 5;   // number of pixels to reserve on either side of the label
 380         labelWidth += 2*margin;
 381
 382         wxFont font  = params->m_labelFont.Ok() ?
 383             params->m_labelFont : win->GetFont();
 384         wxColour clr = params->m_labelColour.Ok() ?
 385             params->m_labelColour : win->GetForegroundColour();
 386
 387         wxString label( params->m_labelText );
 388
 389         dc.SetFont(font);
 390         dc.SetTextForeground(clr);
 391         dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 392
 393         int tw, th, td;
 394         dc.GetTextExtent( label, &tw, &th, &td);
 395
 396         int x = rect.x + bmpWidth + margin;
 397         const int y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);
 398
 399         // truncate and add an ellipsis (...) if the text is too wide.
 400         const int availWidth = rect.width - labelWidth;
 401         if ( tw > availWidth )
 402         {
 403             label = wxControl::Ellipsize(label,
 404                                          dc,
 405                                          wxELLIPSIZE_END,
 406                                          availWidth,
 407                                          wxELLIPSIZE_FLAGS_NONE);
 408             tw = dc.GetTextExtent(label).x;
 409         }
 410         else // enough space, we can respect alignment
 411         {
 412             switch (params->m_labelAlignment)
 413             {
 414                 default:
 415                 case wxALIGN_LEFT:
 416                     break;
 417
 418                 case wxALIGN_CENTER:
 419                     x += (availWidth - tw)/2;
 420                     break;
 421
 422                 case wxALIGN_RIGHT:
 423                     x += availWidth - tw;
 424                     break;
 425             }
 426         }
 427
 428         dc.DrawText(label, x, y);
 429
 430         labelWidth += tw;
 431     }
 432
 433     return labelWidth;
 434 }
 435
 436
 437 int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
 438 {
 439     // Copied and adapted from src/generic/listctrl.cpp
 440     const int HEADER_OFFSET_Y = 1;
 441     const int EXTRA_HEIGHT = 4;
 442
 443     int w=0, h=14, d=0;
 444     if (win)
 445         win->GetTextExtent(wxT("Hg"), &w, &h, &d);
 446
 447     return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
 448 }
 449
 450
 451 // draw the plus or minus sign
 452 void
 453 wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
 454                                       wxDC& dc,
 455                                       const wxRect& rect,
 456                                       int flags)
 457 {
 458     // store settings
 459     wxDCPenChanger penChanger(dc, *wxGREY_PEN);
 460     wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);
 461
 462     dc.DrawRectangle(rect);
 463
 464     // black lines
 465     const wxCoord xMiddle = rect.x + rect.width/2;
 466     const wxCoord yMiddle = rect.y + rect.height/2;
 467
 468     // half of the length of the horz lines in "-" and "+"
 469     const wxCoord halfWidth = rect.width/2 - 2;
 470     dc.SetPen(*wxBLACK_PEN);
 471     dc.DrawLine(xMiddle - halfWidth, yMiddle,
 472                 xMiddle + halfWidth + 1, yMiddle);
 473
 474     if ( !(flags & wxCONTROL_EXPANDED) )
 475     {
 476         // turn "-" into "+"
 477         const wxCoord halfHeight = rect.height/2 - 2;
 478         dc.DrawLine(xMiddle, yMiddle - halfHeight,
 479                     xMiddle, yMiddle + halfHeight + 1);
 480     }
 481 }
 482
 483 // ----------------------------------------------------------------------------
 484 // sash drawing
 485 // ----------------------------------------------------------------------------
 486
 487 wxSplitterRenderParams
 488 wxRendererGeneric::GetSplitterParams(const wxWindow *win)
 489 {
 490     // see below
 491     wxCoord sashWidth,
 492             border;
 493
 494     if ( win->HasFlag(wxSP_3DSASH) )
 495         sashWidth = 7;
 496     else if ( win->HasFlag(wxSP_NOSASH) )
 497         sashWidth = 0;
 498     else // no 3D effect
 499         sashWidth = 3;
 500
 501     if ( win->HasFlag(wxSP_3DBORDER) )
 502         border = 2;
 503     else // no 3D effect
 504         border = 0;
 505
 506     return wxSplitterRenderParams(sashWidth, border, false);
 507 }
 508
 509 void
 510 wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
 511                                       wxDC& dc,
 512                                       const wxRect& rectOrig,
 513                                       int WXUNUSED(falgs))
 514 {
 515     if ( win->HasFlag(wxSP_3DBORDER) )
 516     {
 517         wxRect rect = rectOrig;
 518         DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
 519         DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
 520     }
 521 }
 522
 523 void
 524 wxRendererGeneric::DrawSplitterSash(wxWindow *win,
 525                                     wxDC& dcReal,
 526                                     const wxSize& sizeReal,
 527                                     wxCoord position,
 528                                     wxOrientation orient,
 529                                     int WXUNUSED(flags))
 530 {
 531     // to avoid duplicating the same code for horizontal and vertical sashes,
 532     // simply mirror the DC instead if needed (i.e. if horz splitter)
 533     wxMirrorDC dc(dcReal, orient != wxVERTICAL);
 534     wxSize size = dc.Reflect(sizeReal);
 535
 536
 537     // we draw a Win32-like grey sash with possible 3D border here:
 538     //
 539     //   ---- this is position
 540     //  /
 541     // v
 542     // dWGGGDd
 543     // GWGGGDB
 544     // GWGGGDB  where G is light grey (face)
 545     // GWGGGDB        W    white      (light)
 546     // GWGGGDB        D    dark grey  (shadow)
 547     // GWGGGDB        B    black      (dark shadow)
 548     // GWGGGDB
 549     // GWGGGDB  and lower letters are our border (already drawn)
 550     // GWGGGDB
 551     // wWGGGDd
 552     //
 553     // only the middle 3 columns are drawn unless wxSP_3D is specified
 554
 555     const wxCoord h = size.y;
 556     wxCoord offset = 0;
 557
 558     // If we're drawing the border, draw the sash 3d lines shorter
 559     if ( win->HasFlag(wxSP_3DBORDER) )
 560     {
 561         offset = 1;
 562     }
 563
 564     dc.SetPen(*wxTRANSPARENT_PEN);
 565     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 566
 567     if ( win->HasFlag(wxSP_3DSASH) )
 568     {
 569         // Draw the 3D sash
 570         dc.DrawRectangle(position + 2, 0, 3, h);
 571
 572         dc.SetPen(m_penLightGrey);
 573         dc.DrawLine(position, offset, position, h - offset);
 574
 575         dc.SetPen(m_penHighlight);
 576         dc.DrawLine(position + 1, 0, position + 1, h);
 577
 578         dc.SetPen(m_penDarkGrey);
 579         dc.DrawLine(position + 5, 0, position + 5, h);
 580
 581         dc.SetPen(m_penBlack);
 582         dc.DrawLine(position + 6, offset, position + 6, h - offset);
 583     }
 584     else
 585     {
 586         // Draw a flat sash
 587         dc.DrawRectangle(position, 0, 3, h);
 588     }
 589 }
 590
 591 // ----------------------------------------------------------------------------
 592 // button drawing
 593 // ----------------------------------------------------------------------------
 594
 595 void
 596 wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
 597                                           wxDC& dc,
 598                                           const wxRect& rect,
 599                                           int flags)
 600 {
 601     DrawPushButton(win,dc,rect,flags);
 602     DrawDropArrow(win,dc,rect,flags);
 603 }
 604
 605 void
 606 wxRendererGeneric::DrawDropArrow(wxWindow *win,
 607                                  wxDC& dc,
 608                                  const wxRect& rect,
 609                                  int WXUNUSED(flags))
 610 {
 611     // This generic implementation should be good
 612     // enough for Windows platforms (including XP).
 613
 614     int arrowHalf = rect.width/5;
 615     int rectMid = rect.width / 2;
 616     int arrowTopY = (rect.height/2) - (arrowHalf/2);
 617
 618     // This should always result in arrow with odd width.
 619     wxPoint pt[] =
 620     {
 621         wxPoint(rectMid - arrowHalf, arrowTopY),
 622         wxPoint(rectMid + arrowHalf, arrowTopY),
 623         wxPoint(rectMid, arrowTopY + arrowHalf)
 624     };
 625     dc.SetBrush(wxBrush(win->GetForegroundColour()));
 626     dc.SetPen(wxPen(win->GetForegroundColour()));
 627     dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
 628 }
 629
 630 void
 631 wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
 632                                 wxDC& dc,
 633                                 const wxRect& rect,
 634                                 int flags)
 635 {
 636     dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
 637     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 638     dc.DrawRectangle(rect);
 639
 640     if ( flags & wxCONTROL_CHECKED )
 641     {
 642         dc.DrawCheckMark(rect.Deflate(2, 2));
 643     }
 644 }
 645
 646 wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
 647 {
 648     return wxSize(16, 16);
 649 }
 650
 651 void
 652 wxRendererGeneric::DrawPushButton(wxWindow *win,
 653                                   wxDC& dc,
 654                                   const wxRect& rect,
 655                                   int flags)
 656 {
 657     // Don't try anything too fancy. It'll just turn out looking
 658     // out-of-place on most platforms.
 659     wxColour bgCol = flags & wxCONTROL_DISABLED ?
 660                         wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
 661                         win->GetBackgroundColour();
 662     dc.SetBrush(wxBrush(bgCol));
 663     dc.SetPen(wxPen(bgCol));
 664     dc.DrawRectangle(rect);
 665 }
 666
 667 void
 668 wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
 669                                          wxDC& dc,
 670                                          const wxRect& rect,
 671                                          int flags)
 672 {
 673     wxBrush brush;
 674     if ( flags & wxCONTROL_SELECTED )
 675     {
 676         if ( flags & wxCONTROL_FOCUSED )
 677         {
 678             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 679         }
 680         else // !focused
 681         {
 682             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 683         }
 684     }
 685     else // !selected
 686     {
 687         brush = *wxTRANSPARENT_BRUSH;
 688     }
 689
 690     dc.SetBrush(brush);
 691     if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
 692 #if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
 693                 && IsControlActive( (ControlRef)win->GetHandle() )
 694 #endif
 695     )
 696         dc.SetPen( *wxBLACK_PEN );
 697     else
 698         dc.SetPen( *wxTRANSPARENT_PEN );
 699
 700     dc.DrawRectangle( rect );
 701
 702     // it's unused everywhere except in wxOSX/Carbon
 703     wxUnusedVar(win);
 704 }
 705
 706 void
 707 wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
 708 {
 709     // draw the pixels manually because the "dots" in wxPen with wxDOT style
 710     // may be short traits and not really dots
 711     //
 712     // note that to behave in the same manner as DrawRect(), we must exclude
 713     // the bottom and right borders from the rectangle
 714     wxCoord x1 = rect.GetLeft(),
 715             y1 = rect.GetTop(),
 716             x2 = rect.GetRight(),
 717             y2 = rect.GetBottom();
 718
 719     dc.SetPen(m_penBlack);
 720
 721 #ifdef __WXMAC__
 722     dc.SetLogicalFunction(wxCOPY);
 723 #else
 724     // this seems to be closer than what Windows does than wxINVERT although
 725     // I'm still not sure if it's correct
 726     dc.SetLogicalFunction(wxAND_REVERSE);
 727 #endif
 728
 729     wxCoord z;
 730     for ( z = x1 + 1; z < x2; z += 2 )
 731         dc.DrawPoint(z, rect.GetTop());
 732
 733     wxCoord shift = z == x2 ? 0 : 1;
 734     for ( z = y1 + shift; z < y2; z += 2 )
 735         dc.DrawPoint(x2, z);
 736
 737     shift = z == y2 ? 0 : 1;
 738     for ( z = x2 - shift; z > x1; z -= 2 )
 739         dc.DrawPoint(z, y2);
 740
 741     shift = z == x1 ? 0 : 1;
 742     for ( z = y2 - shift; z > y1; z -= 2 )
 743         dc.DrawPoint(x1, z);
 744
 745     dc.SetLogicalFunction(wxCOPY);
 746 }
 747
 748 void wxRendererGeneric::DrawChoice(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 749                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 750 {
 751     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawChoice");
 752 }
 753
 754 void wxRendererGeneric::DrawComboBox(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 755                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 756 {
 757     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawComboBox");
 758 }
 759
 760 void wxRendererGeneric::DrawRadioBitmap(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 761                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 762 {
 763     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawRadioBitmap");
 764 }
 765
 766 void wxRendererGeneric::DrawTextCtrl(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 767                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 768 {
 769     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawTextCtrl");
 770 }
 771
 772 #ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
 773
 774 void wxRendererGeneric::DrawTitleBarBitmap(wxWindow * WXUNUSED(win),
 775                                            wxDC& WXUNUSED(dc),
 776                                            const wxRect& WXUNUSED(rect),
 777                                            wxTitleBarButton WXUNUSED(button),
 778                                            int WXUNUSED(flags))
 779 {
 780     // no need to fail here, if wxHAS_DRAW_TITLE_BAR_BITMAP is defined this
 781     // will be implemented in the native renderer and this version is never
 782     // going to be used -- but we still need to define it to allow
 783     // instantiation of this class (which would have been pure virtual
 784     // otherwise)
 785 }
 786
 787 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 788
 789
 790 // ----------------------------------------------------------------------------
 791 // A module to allow cleanup of generic renderer.
 792 // ----------------------------------------------------------------------------
 793
 794 class wxGenericRendererModule: public wxModule
 795 {
 796 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
 797 public:
 798     wxGenericRendererModule() {}
 799     bool OnInit() { return true; }
 800     void OnExit() { wxRendererGeneric::Cleanup(); }
 801 };
 802
 803 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)