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