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