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         dc.DrawPolygon( 3, triPt, ar.x, ar.y);
 332     }
 333     labelWidth += arrowSpace;
 334
 335     const int margin = 5;   // number of pixels to reserve on either side of the label
 336     int bmpWidth = 0;
 337
 338     if ( params && params->m_labelBitmap.Ok() )
 339         bmpWidth = params->m_labelBitmap.GetWidth() + 2;
 340
 341     labelWidth += bmpWidth + 2*margin;
 342
 343     // draw the bitmap if there is one
 344     if ( params && params->m_labelBitmap.Ok() )
 345     {
 346         int w, h, x, y;
 347         w = params->m_labelBitmap.GetWidth();
 348         h = params->m_labelBitmap.GetHeight();
 349
 350         x = margin + rect.x;
 351         y = rect.y + wxMax(1, (rect.height - h) / 2);
 352
 353         if (params->m_labelText.empty())
 354         {
 355             // use the alignment flags
 356             switch (params->m_labelAlignment)
 357             {
 358                 default:
 359                 case wxALIGN_LEFT:
 360                     x = rect.x + margin;
 361                     break;
 362                 case wxALIGN_CENTER:
 363                     x = rect.x + wxMax(1, (rect.width - arrowSpace - w)/2);
 364                     break;
 365                 case wxALIGN_RIGHT:
 366                     x = rect.x + wxMax(1, rect.width - arrowSpace - margin - w);
 367                     break;
 368             }
 369         }
 370         dc.DrawBitmap(params->m_labelBitmap, x, y, true);
 371     }
 372
 373     // Draw a label if one is given
 374     if ( params && !params->m_labelText.empty() )
 375     {
 376         wxFont font  = params->m_labelFont.Ok() ?
 377             params->m_labelFont : win->GetFont();
 378         wxColour clr = params->m_labelColour.Ok() ?
 379             params->m_labelColour : win->GetForegroundColour();
 380
 381         wxString label( params->m_labelText );
 382
 383         dc.SetFont(font);
 384         dc.SetTextForeground(clr);
 385         dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 386
 387         int tw, th, td, x, y;
 388         dc.GetTextExtent( label, &tw, &th, &td);
 389         labelWidth += tw;
 390         y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);
 391
 392         // truncate and add an ellipsis (...) if the text is too wide.
 393         int targetWidth = rect.width - arrowSpace - bmpWidth - 2*margin;
 394         if ( tw > targetWidth )
 395         {
 396             int ellipsisWidth;
 397             dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL);
 398             do {
 399                 label.Truncate( label.length() - 1 );
 400                 dc.GetTextExtent( label, &tw, &th);
 401             } while (tw + ellipsisWidth > targetWidth && label.length() );
 402             label.append( wxT("...") );
 403             tw += ellipsisWidth;
 404         }
 405
 406         switch (params->m_labelAlignment)
 407         {
 408             default:
 409             case wxALIGN_LEFT:
 410                 x = rect.x + margin;
 411                 break;
 412             case wxALIGN_CENTER:
 413                 x = rect.x + wxMax(0, (rect.width - arrowSpace  - tw - bmpWidth)/2);
 414                 break;
 415             case wxALIGN_RIGHT:
 416                 x = rect.x + wxMax(0, rect.width - arrowSpace - margin - tw - bmpWidth);
 417                 break;
 418         }
 419
 420         dc.DrawText(label, x + bmpWidth, y);
 421     }
 422     return labelWidth;
 423 }
 424
 425
 426 int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
 427 {
 428     // Copied and adapted from src/generic/listctrl.cpp
 429     const int HEADER_OFFSET_Y = 1;
 430     const int EXTRA_HEIGHT = 4;
 431
 432     int w=0, h=14, d=0;
 433     if (win)
 434         win->GetTextExtent(wxT("Hg"), &w, &h, &d);
 435
 436     return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
 437 }
 438
 439
 440 // draw the plus or minus sign
 441 void
 442 wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
 443                                       wxDC& dc,
 444                                       const wxRect& rect,
 445                                       int flags)
 446 {
 447     // store settings
 448     wxDCPenChanger penChanger(dc, *wxGREY_PEN);
 449     wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);
 450
 451     dc.DrawRectangle(rect);
 452
 453     // black lines
 454     const wxCoord xMiddle = rect.x + rect.width/2;
 455     const wxCoord yMiddle = rect.y + rect.height/2;
 456
 457     // half of the length of the horz lines in "-" and "+"
 458     const wxCoord halfWidth = rect.width/2 - 2;
 459     dc.SetPen(*wxBLACK_PEN);
 460     dc.DrawLine(xMiddle - halfWidth, yMiddle,
 461                 xMiddle + halfWidth + 1, yMiddle);
 462
 463     if ( !(flags & wxCONTROL_EXPANDED) )
 464     {
 465         // turn "-" into "+"
 466         const wxCoord halfHeight = rect.height/2 - 2;
 467         dc.DrawLine(xMiddle, yMiddle - halfHeight,
 468                     xMiddle, yMiddle + halfHeight + 1);
 469     }
 470 }
 471
 472 // ----------------------------------------------------------------------------
 473 // sash drawing
 474 // ----------------------------------------------------------------------------
 475
 476 wxSplitterRenderParams
 477 wxRendererGeneric::GetSplitterParams(const wxWindow *win)
 478 {
 479     // see below
 480     wxCoord sashWidth,
 481             border;
 482
 483     if ( win->HasFlag(wxSP_3DSASH) )
 484         sashWidth = 7;
 485     else if ( win->HasFlag(wxSP_NOSASH) )
 486         sashWidth = 0;
 487     else // no 3D effect
 488         sashWidth = 3;
 489
 490     if ( win->HasFlag(wxSP_3DBORDER) )
 491         border = 2;
 492     else // no 3D effect
 493         border = 0;
 494
 495     return wxSplitterRenderParams(sashWidth, border, false);
 496 }
 497
 498 void
 499 wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
 500                                       wxDC& dc,
 501                                       const wxRect& rectOrig,
 502                                       int WXUNUSED(falgs))
 503 {
 504     if ( win->HasFlag(wxSP_3DBORDER) )
 505     {
 506         wxRect rect = rectOrig;
 507         DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
 508         DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
 509     }
 510 }
 511
 512 void
 513 wxRendererGeneric::DrawSplitterSash(wxWindow *win,
 514                                     wxDC& dcReal,
 515                                     const wxSize& sizeReal,
 516                                     wxCoord position,
 517                                     wxOrientation orient,
 518                                     int WXUNUSED(flags))
 519 {
 520     // to avoid duplicating the same code for horizontal and vertical sashes,
 521     // simply mirror the DC instead if needed (i.e. if horz splitter)
 522     wxMirrorDC dc(dcReal, orient != wxVERTICAL);
 523     wxSize size = dc.Reflect(sizeReal);
 524
 525
 526     // we draw a Win32-like grey sash with possible 3D border here:
 527     //
 528     //   ---- this is position
 529     //  /
 530     // v
 531     // dWGGGDd
 532     // GWGGGDB
 533     // GWGGGDB  where G is light grey (face)
 534     // GWGGGDB        W    white      (light)
 535     // GWGGGDB        D    dark grey  (shadow)
 536     // GWGGGDB        B    black      (dark shadow)
 537     // GWGGGDB
 538     // GWGGGDB  and lower letters are our border (already drawn)
 539     // GWGGGDB
 540     // wWGGGDd
 541     //
 542     // only the middle 3 columns are drawn unless wxSP_3D is specified
 543
 544     const wxCoord h = size.y;
 545     wxCoord offset = 0;
 546
 547     // If we're drawing the border, draw the sash 3d lines shorter
 548     if ( win->HasFlag(wxSP_3DBORDER) )
 549     {
 550         offset = 1;
 551     }
 552
 553     dc.SetPen(*wxTRANSPARENT_PEN);
 554     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 555
 556     if ( win->HasFlag(wxSP_3DSASH) )
 557     {
 558         // Draw the 3D sash
 559         dc.DrawRectangle(position + 2, 0, 3, h);
 560
 561         dc.SetPen(m_penLightGrey);
 562         dc.DrawLine(position, offset, position, h - offset);
 563
 564         dc.SetPen(m_penHighlight);
 565         dc.DrawLine(position + 1, 0, position + 1, h);
 566
 567         dc.SetPen(m_penDarkGrey);
 568         dc.DrawLine(position + 5, 0, position + 5, h);
 569
 570         dc.SetPen(m_penBlack);
 571         dc.DrawLine(position + 6, offset, position + 6, h - offset);
 572     }
 573     else
 574     {
 575         // Draw a flat sash
 576         dc.DrawRectangle(position, 0, 3, h);
 577     }
 578 }
 579
 580 // ----------------------------------------------------------------------------
 581 // button drawing
 582 // ----------------------------------------------------------------------------
 583
 584 void
 585 wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
 586                                           wxDC& dc,
 587                                           const wxRect& rect,
 588                                           int flags)
 589 {
 590     DrawPushButton(win,dc,rect,flags);
 591     DrawDropArrow(win,dc,rect,flags);
 592 }
 593
 594 void
 595 wxRendererGeneric::DrawDropArrow(wxWindow *win,
 596                                  wxDC& dc,
 597                                  const wxRect& rect,
 598                                  int WXUNUSED(flags))
 599 {
 600     // This generic implementation should be good
 601     // enough for Windows platforms (including XP).
 602
 603     int arrowHalf = rect.width/5;
 604     int rectMid = rect.width / 2;
 605     int arrowTopY = (rect.height/2) - (arrowHalf/2);
 606
 607     // This should always result in arrow with odd width.
 608     wxPoint pt[] =
 609     {
 610         wxPoint(rectMid - arrowHalf, arrowTopY),
 611         wxPoint(rectMid + arrowHalf, arrowTopY),
 612         wxPoint(rectMid, arrowTopY + arrowHalf)
 613     };
 614     dc.SetBrush(wxBrush(win->GetForegroundColour()));
 615     dc.SetPen(wxPen(win->GetForegroundColour()));
 616     dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
 617 }
 618
 619 void
 620 wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
 621                                 wxDC& dc,
 622                                 const wxRect& rect,
 623                                 int flags)
 624 {
 625     dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
 626     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 627     dc.DrawRectangle(rect);
 628
 629     if ( flags & wxCONTROL_CHECKED )
 630     {
 631         dc.DrawCheckMark(rect.Deflate(2, 2));
 632     }
 633 }
 634
 635 wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
 636 {
 637     return wxSize(16, 16);
 638 }
 639
 640 void
 641 wxRendererGeneric::DrawPushButton(wxWindow *win,
 642                                   wxDC& dc,
 643                                   const wxRect& rect,
 644                                   int flags)
 645 {
 646     // Don't try anything too fancy. It'll just turn out looking
 647     // out-of-place on most platforms.
 648     wxColour bgCol = flags & wxCONTROL_DISABLED ?
 649                         wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
 650                         win->GetBackgroundColour();
 651     dc.SetBrush(wxBrush(bgCol));
 652     dc.SetPen(wxPen(bgCol));
 653     dc.DrawRectangle(rect);
 654 }
 655
 656 void
 657 wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
 658                                          wxDC& dc,
 659                                          const wxRect& rect,
 660                                          int flags)
 661 {
 662     wxBrush brush;
 663     if ( flags & wxCONTROL_SELECTED )
 664     {
 665         if ( flags & wxCONTROL_FOCUSED )
 666         {
 667             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 668         }
 669         else // !focused
 670         {
 671             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 672         }
 673     }
 674     else // !selected
 675     {
 676         brush = *wxTRANSPARENT_BRUSH;
 677     }
 678
 679     dc.SetBrush(brush);
 680     if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
 681 #if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
 682                 && IsControlActive( (ControlRef)win->GetHandle() )
 683 #endif
 684     )
 685         dc.SetPen( *wxBLACK_PEN );
 686     else
 687         dc.SetPen( *wxTRANSPARENT_PEN );
 688
 689     dc.DrawRectangle( rect );
 690
 691     // it's unused everywhere except in wxOSX/Carbon
 692     wxUnusedVar(win);
 693 }
 694
 695 void
 696 wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
 697 {
 698     // draw the pixels manually because the "dots" in wxPen with wxDOT style
 699     // may be short traits and not really dots
 700     //
 701     // note that to behave in the same manner as DrawRect(), we must exclude
 702     // the bottom and right borders from the rectangle
 703     wxCoord x1 = rect.GetLeft(),
 704             y1 = rect.GetTop(),
 705             x2 = rect.GetRight(),
 706             y2 = rect.GetBottom();
 707
 708     dc.SetPen(m_penBlack);
 709
 710 #ifdef __WXMAC__
 711     dc.SetLogicalFunction(wxCOPY);
 712 #else
 713     // this seems to be closer than what Windows does than wxINVERT although
 714     // I'm still not sure if it's correct
 715     dc.SetLogicalFunction(wxAND_REVERSE);
 716 #endif
 717
 718     wxCoord z;
 719     for ( z = x1 + 1; z < x2; z += 2 )
 720         dc.DrawPoint(z, rect.GetTop());
 721
 722     wxCoord shift = z == x2 ? 0 : 1;
 723     for ( z = y1 + shift; z < y2; z += 2 )
 724         dc.DrawPoint(x2, z);
 725
 726     shift = z == y2 ? 0 : 1;
 727     for ( z = x2 - shift; z > x1; z -= 2 )
 728         dc.DrawPoint(z, y2);
 729
 730     shift = z == x1 ? 0 : 1;
 731     for ( z = y2 - shift; z > y1; z -= 2 )
 732         dc.DrawPoint(x1, z);
 733
 734     dc.SetLogicalFunction(wxCOPY);
 735 }
 736
 737 void wxRendererGeneric::DrawChoice(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 738                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 739 {
 740     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawChoice");
 741 }
 742
 743 void wxRendererGeneric::DrawComboBox(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 744                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 745 {
 746     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawComboBox");
 747 }
 748
 749 void wxRendererGeneric::DrawRadioBitmap(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 750                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 751 {
 752     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawRadioBitmap");
 753 }
 754
 755 void wxRendererGeneric::DrawTextCtrl(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 756                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 757 {
 758     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawTextCtrl");
 759 }
 760
 761 #ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
 762
 763 void wxRendererGeneric::DrawTitleBarBitmap(wxWindow * WXUNUSED(win),
 764                                            wxDC& WXUNUSED(dc),
 765                                            const wxRect& WXUNUSED(rect),
 766                                            wxTitleBarButton WXUNUSED(button),
 767                                            int WXUNUSED(flags))
 768 {
 769     // no need to fail here, if wxHAS_DRAW_TITLE_BAR_BITMAP is defined this
 770     // will be implemented in the native renderer and this version is never
 771     // going to be used -- but we still need to define it to allow
 772     // instantiation of this class (which would have been pure virtual
 773     // otherwise)
 774 }
 775
 776 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 777
 778
 779 // ----------------------------------------------------------------------------
 780 // A module to allow cleanup of generic renderer.
 781 // ----------------------------------------------------------------------------
 782
 783 class wxGenericRendererModule: public wxModule
 784 {
 785 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
 786 public:
 787     wxGenericRendererModule() {}
 788     bool OnInit() { return true; }
 789     void OnExit() { wxRendererGeneric::Cleanup(); }
 790 };
 791
 792 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)