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 // Licence:     wxWindows licence
  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 int GetHeaderButtonMargin(wxWindow *win);
  71
  72     virtual void DrawTreeItemButton(wxWindow *win,
  73                                     wxDC& dc,
  74                                     const wxRect& rect,
  75                                     int flags = 0);
  76
  77     virtual void DrawSplitterBorder(wxWindow *win,
  78                                     wxDC& dc,
  79                                     const wxRect& rect,
  80                                     int flags = 0);
  81
  82     virtual void DrawSplitterSash(wxWindow *win,
  83                                   wxDC& dc,
  84                                   const wxSize& size,
  85                                   wxCoord position,
  86                                   wxOrientation orient,
  87                                   int flags = 0);
  88
  89     virtual void DrawComboBoxDropButton(wxWindow *win,
  90                                         wxDC& dc,
  91                                         const wxRect& rect,
  92                                         int flags = 0);
  93
  94     virtual void DrawDropArrow(wxWindow *win,
  95                                wxDC& dc,
  96                                const wxRect& rect,
  97                                int flags = 0);
  98
  99     virtual void DrawCheckBox(wxWindow *win,
 100                               wxDC& dc,
 101                               const wxRect& rect,
 102                               int flags = 0);
 103
 104     virtual wxSize GetCheckBoxSize(wxWindow *win);
 105
 106     virtual void DrawPushButton(wxWindow *win,
 107                                 wxDC& dc,
 108                                 const wxRect& rect,
 109                                 int flags = 0);
 110
 111     virtual void DrawItemSelectionRect(wxWindow *win,
 112                                        wxDC& dc,
 113                                        const wxRect& rect,
 114                                        int flags = 0);
 115
 116     virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
 117
 118     virtual void DrawChoice(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 119
 120     virtual void DrawComboBox(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 121
 122     virtual void DrawTextCtrl(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 123
 124     virtual void DrawRadioBitmap(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 125
 126 #ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
 127     virtual void DrawTitleBarBitmap(wxWindow *win,
 128                                     wxDC& dc,
 129                                     const wxRect& rect,
 130                                     wxTitleBarButton button,
 131                                     int flags = 0);
 132 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 133
 134     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 135
 136     virtual wxRendererVersion GetVersion() const
 137     {
 138         return wxRendererVersion(wxRendererVersion::Current_Version,
 139                                  wxRendererVersion::Current_Age);
 140     }
 141
 142
 143     // Cleanup by deleting standard renderer
 144     static void Cleanup();
 145
 146     // Get the generic object
 147     static wxRendererGeneric* DoGetGeneric();
 148
 149 protected:
 150     // draw the rectange using the first pen for the left and top sides and
 151     // the second one for the bottom and right ones
 152     void DrawShadedRect(wxDC& dc, wxRect *rect,
 153                         const wxPen& pen1, const wxPen& pen2);
 154
 155     // the standard pens
 156     wxPen m_penBlack,
 157           m_penDarkGrey,
 158           m_penLightGrey,
 159           m_penHighlight;
 160
 161     static wxRendererGeneric* sm_rendererGeneric;
 162 };
 163
 164 // ============================================================================
 165 // wxRendererGeneric implementation
 166 // ============================================================================
 167
 168 // Get the generic object
 169 wxRendererGeneric* wxRendererGeneric::DoGetGeneric()
 170 {
 171     if (!sm_rendererGeneric)
 172         sm_rendererGeneric = new wxRendererGeneric;
 173     return sm_rendererGeneric;
 174 }
 175
 176 // ----------------------------------------------------------------------------
 177 // wxRendererGeneric creation
 178 // ----------------------------------------------------------------------------
 179
 180 /* static */
 181 wxRendererNative& wxRendererNative::GetGeneric()
 182 {
 183     return * wxRendererGeneric::DoGetGeneric();
 184 }
 185
 186 void wxRendererGeneric::Cleanup()
 187 {
 188     wxDELETE(sm_rendererGeneric);
 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 wxUSE_CONTROLS
 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 #endif // wxUSE_CONTROLS
 413         {
 414             switch (params->m_labelAlignment)
 415             {
 416                 default:
 417                 case wxALIGN_LEFT:
 418                     break;
 419
 420                 case wxALIGN_CENTER:
 421                     x += (availWidth - tw)/2;
 422                     break;
 423
 424                 case wxALIGN_RIGHT:
 425                     x += availWidth - tw;
 426                     break;
 427             }
 428         }
 429
 430         dc.DrawText(label, x, y);
 431
 432         labelWidth += tw;
 433     }
 434
 435     return labelWidth;
 436 }
 437
 438
 439 int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
 440 {
 441     // Copied and adapted from src/generic/listctrl.cpp
 442     const int HEADER_OFFSET_Y = 1;
 443     const int EXTRA_HEIGHT = 4;
 444
 445     int w=0, h=14, d=0;
 446     if (win)
 447         win->GetTextExtent(wxT("Hg"), &w, &h, &d);
 448
 449     return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
 450 }
 451
 452 int wxRendererGeneric::GetHeaderButtonMargin(wxWindow *WXUNUSED(win))
 453 {
 454     return 5;
 455 }
 456
 457
 458 // draw the plus or minus sign
 459 void
 460 wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
 461                                       wxDC& dc,
 462                                       const wxRect& rect,
 463                                       int flags)
 464 {
 465     // store settings
 466     wxDCPenChanger penChanger(dc, *wxGREY_PEN);
 467     wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH);
 468
 469     dc.DrawRectangle(rect);
 470
 471     // black lines
 472     const wxCoord xMiddle = rect.x + rect.width/2;
 473     const wxCoord yMiddle = rect.y + rect.height/2;
 474
 475     // half of the length of the horz lines in "-" and "+"
 476     const wxCoord halfWidth = rect.width/2 - 2;
 477     dc.SetPen(*wxBLACK_PEN);
 478     dc.DrawLine(xMiddle - halfWidth, yMiddle,
 479                 xMiddle + halfWidth + 1, yMiddle);
 480
 481     if ( !(flags & wxCONTROL_EXPANDED) )
 482     {
 483         // turn "-" into "+"
 484         const wxCoord halfHeight = rect.height/2 - 2;
 485         dc.DrawLine(xMiddle, yMiddle - halfHeight,
 486                     xMiddle, yMiddle + halfHeight + 1);
 487     }
 488 }
 489
 490 // ----------------------------------------------------------------------------
 491 // sash drawing
 492 // ----------------------------------------------------------------------------
 493
 494 wxSplitterRenderParams
 495 wxRendererGeneric::GetSplitterParams(const wxWindow *win)
 496 {
 497     // see below
 498     wxCoord sashWidth,
 499             border;
 500
 501     if ( win->HasFlag(wxSP_3DSASH) )
 502         sashWidth = 7;
 503     else if ( win->HasFlag(wxSP_NOSASH) )
 504         sashWidth = 0;
 505     else // no 3D effect
 506         sashWidth = 3;
 507
 508     if ( win->HasFlag(wxSP_3DBORDER) )
 509         border = 2;
 510     else // no 3D effect
 511         border = 0;
 512
 513     return wxSplitterRenderParams(sashWidth, border, false);
 514 }
 515
 516 void
 517 wxRendererGeneric::DrawSplitterBorder(wxWindow *win,
 518                                       wxDC& dc,
 519                                       const wxRect& rectOrig,
 520                                       int WXUNUSED(falgs))
 521 {
 522     if ( win->HasFlag(wxSP_3DBORDER) )
 523     {
 524         wxRect rect = rectOrig;
 525         DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight);
 526         DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey);
 527     }
 528 }
 529
 530 void
 531 wxRendererGeneric::DrawSplitterSash(wxWindow *win,
 532                                     wxDC& dcReal,
 533                                     const wxSize& sizeReal,
 534                                     wxCoord position,
 535                                     wxOrientation orient,
 536                                     int WXUNUSED(flags))
 537 {
 538     // to avoid duplicating the same code for horizontal and vertical sashes,
 539     // simply mirror the DC instead if needed (i.e. if horz splitter)
 540     wxMirrorDC dc(dcReal, orient != wxVERTICAL);
 541     wxSize size = dc.Reflect(sizeReal);
 542
 543
 544     // we draw a Win32-like grey sash with possible 3D border here:
 545     //
 546     //   ---- this is position
 547     //  /
 548     // v
 549     // dWGGGDd
 550     // GWGGGDB
 551     // GWGGGDB  where G is light grey (face)
 552     // GWGGGDB        W    white      (light)
 553     // GWGGGDB        D    dark grey  (shadow)
 554     // GWGGGDB        B    black      (dark shadow)
 555     // GWGGGDB
 556     // GWGGGDB  and lower letters are our border (already drawn)
 557     // GWGGGDB
 558     // wWGGGDd
 559     //
 560     // only the middle 3 columns are drawn unless wxSP_3D is specified
 561
 562     const wxCoord h = size.y;
 563     wxCoord offset = 0;
 564
 565     // If we're drawing the border, draw the sash 3d lines shorter
 566     if ( win->HasFlag(wxSP_3DBORDER) )
 567     {
 568         offset = 1;
 569     }
 570
 571     dc.SetPen(*wxTRANSPARENT_PEN);
 572     dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
 573
 574     if ( win->HasFlag(wxSP_3DSASH) )
 575     {
 576         // Draw the 3D sash
 577         dc.DrawRectangle(position + 2, 0, 3, h);
 578
 579         dc.SetPen(m_penLightGrey);
 580         dc.DrawLine(position, offset, position, h - offset);
 581
 582         dc.SetPen(m_penHighlight);
 583         dc.DrawLine(position + 1, 0, position + 1, h);
 584
 585         dc.SetPen(m_penDarkGrey);
 586         dc.DrawLine(position + 5, 0, position + 5, h);
 587
 588         dc.SetPen(m_penBlack);
 589         dc.DrawLine(position + 6, offset, position + 6, h - offset);
 590     }
 591     else
 592     {
 593         // Draw a flat sash
 594         dc.DrawRectangle(position, 0, 3, h);
 595     }
 596 }
 597
 598 // ----------------------------------------------------------------------------
 599 // button drawing
 600 // ----------------------------------------------------------------------------
 601
 602 void
 603 wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win,
 604                                           wxDC& dc,
 605                                           const wxRect& rect,
 606                                           int flags)
 607 {
 608     DrawPushButton(win,dc,rect,flags);
 609     DrawDropArrow(win,dc,rect,flags);
 610 }
 611
 612 void
 613 wxRendererGeneric::DrawDropArrow(wxWindow *win,
 614                                  wxDC& dc,
 615                                  const wxRect& rect,
 616                                  int WXUNUSED(flags))
 617 {
 618     // This generic implementation should be good
 619     // enough for Windows platforms (including XP).
 620
 621     int arrowHalf = rect.width/5;
 622     int rectMid = rect.width / 2;
 623     int arrowTopY = (rect.height/2) - (arrowHalf/2);
 624
 625     // This should always result in arrow with odd width.
 626     wxPoint pt[] =
 627     {
 628         wxPoint(rectMid - arrowHalf, arrowTopY),
 629         wxPoint(rectMid + arrowHalf, arrowTopY),
 630         wxPoint(rectMid, arrowTopY + arrowHalf)
 631     };
 632     dc.SetBrush(wxBrush(win->GetForegroundColour()));
 633     dc.SetPen(wxPen(win->GetForegroundColour()));
 634     dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y);
 635 }
 636
 637 void
 638 wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
 639                                 wxDC& dc,
 640                                 const wxRect& rect,
 641                                 int flags)
 642 {
 643     dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN));
 644     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 645     dc.DrawRectangle(rect);
 646
 647     if ( flags & wxCONTROL_CHECKED )
 648     {
 649         dc.DrawCheckMark(rect.Deflate(2, 2));
 650     }
 651 }
 652
 653 wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
 654 {
 655     return wxSize(16, 16);
 656 }
 657
 658 void
 659 wxRendererGeneric::DrawPushButton(wxWindow *win,
 660                                   wxDC& dc,
 661                                   const wxRect& rect,
 662                                   int flags)
 663 {
 664     // Don't try anything too fancy. It'll just turn out looking
 665     // out-of-place on most platforms.
 666     wxColour bgCol = flags & wxCONTROL_DISABLED ?
 667                         wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) :
 668                         win->GetBackgroundColour();
 669     dc.SetBrush(wxBrush(bgCol));
 670     dc.SetPen(wxPen(bgCol));
 671     dc.DrawRectangle(rect);
 672 }
 673
 674 void
 675 wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
 676                                          wxDC& dc,
 677                                          const wxRect& rect,
 678                                          int flags)
 679 {
 680     wxBrush brush;
 681     if ( flags & wxCONTROL_SELECTED )
 682     {
 683         if ( flags & wxCONTROL_FOCUSED )
 684         {
 685             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
 686         }
 687         else // !focused
 688         {
 689             brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
 690         }
 691     }
 692     else // !selected
 693     {
 694         brush = *wxTRANSPARENT_BRUSH;
 695     }
 696
 697     dc.SetBrush(brush);
 698     if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
 699 #if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
 700                 && IsControlActive( (ControlRef)win->GetHandle() )
 701 #endif
 702     )
 703         dc.SetPen( *wxBLACK_PEN );
 704     else
 705         dc.SetPen( *wxTRANSPARENT_PEN );
 706
 707     dc.DrawRectangle( rect );
 708
 709     // it's unused everywhere except in wxOSX/Carbon
 710     wxUnusedVar(win);
 711 }
 712
 713 void
 714 wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
 715 {
 716     // draw the pixels manually because the "dots" in wxPen with wxDOT style
 717     // may be short traits and not really dots
 718     //
 719     // note that to behave in the same manner as DrawRect(), we must exclude
 720     // the bottom and right borders from the rectangle
 721     wxCoord x1 = rect.GetLeft(),
 722             y1 = rect.GetTop(),
 723             x2 = rect.GetRight(),
 724             y2 = rect.GetBottom();
 725
 726     dc.SetPen(m_penBlack);
 727
 728 #ifdef __WXMAC__
 729     dc.SetLogicalFunction(wxCOPY);
 730 #else
 731     // this seems to be closer than what Windows does than wxINVERT although
 732     // I'm still not sure if it's correct
 733     dc.SetLogicalFunction(wxAND_REVERSE);
 734 #endif
 735
 736     wxCoord z;
 737     for ( z = x1 + 1; z < x2; z += 2 )
 738         dc.DrawPoint(z, rect.GetTop());
 739
 740     wxCoord shift = z == x2 ? 0 : 1;
 741     for ( z = y1 + shift; z < y2; z += 2 )
 742         dc.DrawPoint(x2, z);
 743
 744     shift = z == y2 ? 0 : 1;
 745     for ( z = x2 - shift; z > x1; z -= 2 )
 746         dc.DrawPoint(z, y2);
 747
 748     shift = z == x1 ? 0 : 1;
 749     for ( z = y2 - shift; z > y1; z -= 2 )
 750         dc.DrawPoint(x1, z);
 751
 752     dc.SetLogicalFunction(wxCOPY);
 753 }
 754
 755 void wxRendererGeneric::DrawChoice(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 756                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 757 {
 758     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawChoice");
 759 }
 760
 761 void wxRendererGeneric::DrawComboBox(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 762                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 763 {
 764     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawComboBox");
 765 }
 766
 767 void wxRendererGeneric::DrawRadioBitmap(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 768                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 769 {
 770     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawRadioBitmap");
 771 }
 772
 773 void wxRendererGeneric::DrawTextCtrl(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
 774                            const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
 775 {
 776     wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawTextCtrl");
 777 }
 778
 779 #ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
 780
 781 void wxRendererGeneric::DrawTitleBarBitmap(wxWindow * WXUNUSED(win),
 782                                            wxDC& WXUNUSED(dc),
 783                                            const wxRect& WXUNUSED(rect),
 784                                            wxTitleBarButton WXUNUSED(button),
 785                                            int WXUNUSED(flags))
 786 {
 787     // no need to fail here, if wxHAS_DRAW_TITLE_BAR_BITMAP is defined this
 788     // will be implemented in the native renderer and this version is never
 789     // going to be used -- but we still need to define it to allow
 790     // instantiation of this class (which would have been pure virtual
 791     // otherwise)
 792 }
 793
 794 #endif // wxHAS_DRAW_TITLE_BAR_BITMAP
 795
 796
 797 // ----------------------------------------------------------------------------
 798 // A module to allow cleanup of generic renderer.
 799 // ----------------------------------------------------------------------------
 800
 801 class wxGenericRendererModule: public wxModule
 802 {
 803 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
 804 public:
 805     wxGenericRendererModule() {}
 806     bool OnInit() { return true; }
 807     void OnExit() { wxRendererGeneric::Cleanup(); }
 808 };
 809
 810 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)