src/osx/carbon/renderer.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/renderer.cpp
   3 // Purpose:     implementation of wxRendererNative for Mac
   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 licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/string.h"
  21     #include "wx/dc.h"
  22     #include "wx/bitmap.h"
  23     #include "wx/settings.h"
  24     #include "wx/dcclient.h"
  25     #include "wx/toplevel.h"
  26 #endif
  27
  28 #include "wx/renderer.h"
  29 #include "wx/graphics.h"
  30 #include "wx/dcgraph.h"
  31 #include "wx/osx/private.h"
  32
  33 #if wxOSX_USE_COCOA
  34 // bring in the theme headers
  35 #include <Carbon/Carbon.h>
  36 #endif
  37
  38 // check if we're currently in a paint event
  39 inline bool wxInPaintEvent(wxWindow* win, wxDC& dc)
  40 {
  41     return ( win->MacGetCGContextRef() != NULL );
  42 }
  43
  44
  45
  46 class WXDLLEXPORT wxRendererMac : public wxDelegateRendererNative
  47 {
  48 public:
  49     // draw the header control button (used by wxListCtrl)
  50     virtual int DrawHeaderButton( wxWindow *win,
  51         wxDC& dc,
  52         const wxRect& rect,
  53         int flags = 0,
  54         wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  55         wxHeaderButtonParams* params = NULL );
  56
  57     virtual int GetHeaderButtonHeight(wxWindow *win);
  58
  59     // draw the expanded/collapsed icon for a tree control item
  60     virtual void DrawTreeItemButton( wxWindow *win,
  61         wxDC& dc,
  62         const wxRect& rect,
  63         int flags = 0 );
  64
  65     // draw a (vertical) sash
  66     virtual void DrawSplitterSash( wxWindow *win,
  67         wxDC& dc,
  68         const wxSize& size,
  69         wxCoord position,
  70         wxOrientation orient,
  71         int flags = 0 );
  72
  73     virtual void DrawCheckBox(wxWindow *win,
  74                               wxDC& dc,
  75                               const wxRect& rect,
  76                               int flags = 0);
  77
  78     virtual wxSize GetCheckBoxSize(wxWindow* win);
  79
  80     virtual void DrawComboBoxDropButton(wxWindow *win,
  81                                         wxDC& dc,
  82                                         const wxRect& rect,
  83                                         int flags = 0);
  84
  85     virtual void DrawPushButton(wxWindow *win,
  86                                 wxDC& dc,
  87                                 const wxRect& rect,
  88                                 int flags = 0);
  89
  90     virtual void DrawItemSelectionRect(wxWindow *win,
  91                                        wxDC& dc,
  92                                        const wxRect& rect,
  93                                        int flags = 0);
  94
  95     virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
  96
  97     virtual void DrawChoice(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
  98
  99     virtual void DrawComboBox(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 100
 101     virtual void DrawTextCtrl(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 102
 103     virtual void DrawRadioButton(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
 104
 105 private:
 106     void DrawMacThemeButton(wxWindow *win,
 107                             wxDC& dc,
 108                             const wxRect& rect,
 109                             int flags,
 110                             int kind,
 111                             int adornment);
 112
 113     // the tree buttons
 114     wxBitmap m_bmpTreeExpanded;
 115     wxBitmap m_bmpTreeCollapsed;
 116 };
 117
 118 // ============================================================================
 119 // implementation
 120 // ============================================================================
 121
 122 // static
 123 wxRendererNative& wxRendererNative::GetDefault()
 124 {
 125     static wxRendererMac s_rendererMac;
 126
 127     return s_rendererMac;
 128 }
 129
 130 int wxRendererMac::DrawHeaderButton( wxWindow *win,
 131     wxDC& dc,
 132     const wxRect& rect,
 133     int flags,
 134     wxHeaderSortIconType sortArrow,
 135     wxHeaderButtonParams* params )
 136 {
 137     const wxCoord x = rect.x;
 138     const wxCoord y = rect.y;
 139     const wxCoord w = rect.width;
 140     const wxCoord h = rect.height;
 141
 142     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 143
 144     HIRect headerRect = CGRectMake( x, y, w, h );
 145     if ( !wxInPaintEvent(win, dc) )
 146     {
 147         win->Refresh( &rect );
 148     }
 149     else
 150     {
 151         CGContextRef cgContext;
 152         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 153
 154         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 155
 156         {
 157             HIThemeButtonDrawInfo drawInfo;
 158             HIRect labelRect;
 159
 160             memset( &drawInfo, 0, sizeof(drawInfo) );
 161             drawInfo.version = 0;
 162             drawInfo.kind = kThemeListHeaderButton;
 163             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 164             drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 165             drawInfo.adornment = kThemeAdornmentNone;
 166
 167             // The down arrow is drawn automatically, change it to an up arrow if needed.
 168             if ( sortArrow == wxHDR_SORT_ICON_UP )
 169                 drawInfo.adornment = kThemeAdornmentHeaderButtonSortUp;
 170
 171             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 172
 173             // If we don't want any arrows we need to draw over the one already there
 174             if ( (flags & wxCONTROL_SELECTED) && (sortArrow == wxHDR_SORT_ICON_NONE) )
 175             {
 176                 // clip to the header rectangle
 177                 CGContextSaveGState( cgContext );
 178                 CGContextClipToRect( cgContext, headerRect );
 179                 // but draw bigger than that so the arrow will get clipped off
 180                 headerRect.size.width += 25;
 181                 HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 182                 CGContextRestoreGState( cgContext );
 183             }
 184         }
 185     }
 186
 187     // Reserve room for the arrows before writing the label, and turn off the
 188     // flags we've already handled
 189     wxRect newRect(rect);
 190     if ( (flags & wxCONTROL_SELECTED) && (sortArrow != wxHDR_SORT_ICON_NONE) )
 191     {
 192         newRect.width -= 12;
 193         sortArrow = wxHDR_SORT_ICON_NONE;
 194     }
 195     flags &= ~wxCONTROL_SELECTED;
 196
 197     return DrawHeaderButtonContents(win, dc, newRect, flags, sortArrow, params);
 198 }
 199
 200
 201 int wxRendererMac::GetHeaderButtonHeight(wxWindow* WXUNUSED(win))
 202 {
 203     SInt32      standardHeight;
 204     OSStatus        errStatus;
 205
 206     errStatus = GetThemeMetric( kThemeMetricListHeaderHeight, &standardHeight );
 207     if (errStatus == noErr)
 208     {
 209         return standardHeight;
 210     }
 211     return -1;
 212 }
 213
 214 void wxRendererMac::DrawTreeItemButton( wxWindow *win,
 215     wxDC& dc,
 216     const wxRect& rect,
 217     int flags )
 218 {
 219     // now the wxGCDC is using native transformations
 220     const wxCoord x = rect.x;
 221     const wxCoord y = rect.y;
 222     const wxCoord w = rect.width;
 223     const wxCoord h = rect.height;
 224
 225     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 226
 227     HIRect headerRect = CGRectMake( x, y, w, h );
 228     if ( !wxInPaintEvent(win, dc) )
 229     {
 230         win->Refresh( &rect );
 231     }
 232     else
 233     {
 234         CGContextRef cgContext;
 235
 236         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 237         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 238
 239         HIThemeButtonDrawInfo drawInfo;
 240         HIRect labelRect;
 241
 242         memset( &drawInfo, 0, sizeof(drawInfo) );
 243         drawInfo.version = 0;
 244         drawInfo.kind = kThemeDisclosureButton;
 245         drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 246         // Apple mailing list posts say to use the arrow adornment constants, but those don't work.
 247         // We need to set the value using the 'old' DrawThemeButton constants instead.
 248         drawInfo.value = (flags & wxCONTROL_EXPANDED) ? kThemeDisclosureDown : kThemeDisclosureRight;
 249         drawInfo.adornment = kThemeAdornmentNone;
 250
 251         HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 252     }
 253 }
 254
 255 void wxRendererMac::DrawSplitterSash( wxWindow *win,
 256     wxDC& dc,
 257     const wxSize& size,
 258     wxCoord position,
 259     wxOrientation orient,
 260     int WXUNUSED(flags) )
 261 {
 262     bool hasMetal = win->MacGetTopLevelWindow()->GetExtraStyle() & wxFRAME_EX_METAL;
 263     SInt32 height;
 264     GetThemeMetric( kThemeMetricSmallPaneSplitterHeight, &height );
 265     HIRect splitterRect;
 266     if (orient == wxVERTICAL)
 267         splitterRect = CGRectMake( position, 0, height, size.y );
 268     else
 269         splitterRect = CGRectMake( 0, position, size.x, height );
 270
 271     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
 272     // strange redraw errors occur if we don't do this
 273
 274     if ( !wxInPaintEvent(win, dc) )
 275     {
 276         wxRect rect( (int) splitterRect.origin.x, (int) splitterRect.origin.y, (int) splitterRect.size.width,
 277                      (int) splitterRect.size.height );
 278         win->Refresh( &rect );
 279    }
 280     else
 281     {
 282         CGContextRef cgContext;
 283         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 284         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 285
 286         HIThemeSplitterDrawInfo drawInfo;
 287         drawInfo.version = 0;
 288         drawInfo.state = kThemeStateActive;
 289         drawInfo.adornment = hasMetal ? kHIThemeSplitterAdornmentMetal : kHIThemeSplitterAdornmentNone;
 290         HIThemeDrawPaneSplitter( &splitterRect, &drawInfo, cgContext, kHIThemeOrientationNormal );
 291     }
 292 }
 293
 294 void
 295 wxRendererMac::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
 296                                      wxDC& dc,
 297                                      const wxRect& rect,
 298                                      int flags)
 299 {
 300     if ( !(flags & wxCONTROL_SELECTED) )
 301         return;
 302
 303     wxColour col( wxMacCreateCGColorFromHITheme( (flags & wxCONTROL_FOCUSED) ?
 304                                                  kThemeBrushAlternatePrimaryHighlightColor
 305                                                                              : kThemeBrushSecondaryHighlightColor ) );
 306     wxBrush selBrush( col );
 307
 308     dc.SetPen( *wxTRANSPARENT_PEN );
 309     dc.SetBrush( selBrush );
 310     dc.DrawRectangle( rect );
 311 }
 312
 313
 314 void
 315 wxRendererMac::DrawMacThemeButton(wxWindow *win,
 316                                   wxDC& dc,
 317                                   const wxRect& rect,
 318                                   int flags,
 319                                   int kind,
 320                                   int adornment)
 321 {
 322     // now the wxGCDC is using native transformations
 323     const wxCoord x = rect.x;
 324     const wxCoord y = rect.y;
 325     const wxCoord w = rect.width;
 326     const wxCoord h = rect.height;
 327
 328     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 329
 330     HIRect headerRect = CGRectMake( x, y, w, h );
 331     if ( !wxInPaintEvent(win, dc) )
 332     {
 333         win->Refresh( &rect );
 334     }
 335     else
 336     {
 337         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 338         CGContextRef cgContext;
 339         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 340
 341         HIThemeButtonDrawInfo drawInfo;
 342         HIRect labelRect;
 343
 344         memset( &drawInfo, 0, sizeof(drawInfo) );
 345         drawInfo.version = 0;
 346         drawInfo.kind = kind;
 347         drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 348         drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 349         if (flags & wxCONTROL_UNDETERMINED)
 350             drawInfo.value = kThemeButtonMixed;
 351         drawInfo.adornment = adornment;
 352         if (flags & wxCONTROL_FOCUSED)
 353             drawInfo.adornment |= kThemeAdornmentFocus;
 354
 355         HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 356     }
 357 }
 358
 359 void
 360 wxRendererMac::DrawCheckBox(wxWindow *win,
 361                             wxDC& dc,
 362                             const wxRect& rect,
 363                             int flags)
 364 {
 365     if (flags & wxCONTROL_CHECKED)
 366         flags |= wxCONTROL_SELECTED;
 367
 368     int kind;
 369
 370     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL ||
 371         (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 372         kind = kThemeCheckBoxSmall;
 373     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI ||
 374              (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 375         kind = kThemeCheckBoxMini;
 376     else
 377         kind = kThemeCheckBox;
 378
 379
 380     DrawMacThemeButton(win, dc, rect, flags,
 381                        kind, kThemeAdornmentNone);
 382 }
 383
 384 wxSize wxRendererMac::GetCheckBoxSize(wxWindow* WXUNUSED(win))
 385 {
 386     wxSize size;
 387     SInt32 width, height;
 388     OSStatus errStatus;
 389
 390     errStatus = GetThemeMetric(kThemeMetricCheckBoxWidth, &width);
 391     if (errStatus == noErr)
 392     {
 393         size.SetWidth(width);
 394     }
 395
 396     errStatus = GetThemeMetric(kThemeMetricCheckBoxHeight, &height);
 397     if (errStatus == noErr)
 398     {
 399         size.SetHeight(height);
 400     }
 401
 402     return size;
 403 }
 404
 405 void
 406 wxRendererMac::DrawComboBoxDropButton(wxWindow *win,
 407                               wxDC& dc,
 408                               const wxRect& rect,
 409                               int flags)
 410 {
 411     int kind;
 412     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 413         kind = kThemeArrowButtonSmall;
 414     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 415         kind = kThemeArrowButtonMini;
 416     else
 417         kind = kThemeArrowButton;
 418
 419     DrawMacThemeButton(win, dc, rect, flags,
 420                        kind, kThemeAdornmentArrowDownArrow);
 421 }
 422
 423 void
 424 wxRendererMac::DrawPushButton(wxWindow *win,
 425                               wxDC& dc,
 426                               const wxRect& rect,
 427                               int flags)
 428 {
 429     int kind;
 430     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 431         kind = kThemeBevelButtonSmall;
 432     // There is no kThemeBevelButtonMini, but in this case, use Small
 433     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 434         kind = kThemeBevelButtonSmall;
 435     else
 436         kind = kThemeBevelButton;
 437
 438     DrawMacThemeButton(win, dc, rect, flags,
 439                        kind, kThemeAdornmentNone);
 440 }
 441
 442 void
 443 wxRendererMac::DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags)
 444 {
 445     if (!win)
 446     {
 447         wxDelegateRendererNative::DrawFocusRect(win, dc, rect, flags);
 448         return;
 449     }
 450
 451     CGRect cgrect = CGRectMake( rect.x , rect.y , rect.width, rect.height ) ;
 452
 453     HIThemeFrameDrawInfo info ;
 454
 455     memset( &info, 0 , sizeof(info) ) ;
 456
 457     info.version = 0 ;
 458     info.kind = 0 ;
 459     info.state = kThemeStateActive;
 460     info.isFocused = true ;
 461
 462     CGContextRef cgContext = (CGContextRef) win->MacGetCGContextRef() ;
 463     wxASSERT( cgContext ) ;
 464
 465     HIThemeDrawFocusRect( &cgrect , true , cgContext , kHIThemeOrientationNormal ) ;
 466 }
 467
 468 void wxRendererMac::DrawChoice(wxWindow* win, wxDC& dc,
 469                            const wxRect& rect, int flags)
 470 {
 471     int kind;
 472
 473     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL ||
 474         (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 475         kind = kThemePopupButtonSmall;
 476     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI ||
 477              (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 478         kind = kThemePopupButtonMini;
 479     else
 480         kind = kThemePopupButton;
 481
 482     DrawMacThemeButton(win, dc, rect, flags, kind, kThemeAdornmentNone);
 483 }
 484
 485
 486 void wxRendererMac::DrawComboBox(wxWindow* win, wxDC& dc,
 487                              const wxRect& rect, int flags)
 488 {
 489     int kind;
 490
 491     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL ||
 492         (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 493         kind = kThemeComboBoxSmall;
 494     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI ||
 495              (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 496         kind = kThemeComboBoxMini;
 497     else
 498         kind = kThemeComboBox;
 499
 500     DrawMacThemeButton(win, dc, rect, flags, kind, kThemeAdornmentNone);
 501 }
 502
 503 void wxRendererMac::DrawRadioButton(wxWindow* win, wxDC& dc,
 504                                 const wxRect& rect, int flags)
 505 {
 506     int kind;
 507
 508     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL ||
 509         (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 510         kind = kThemeRadioButtonSmall;
 511     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI ||
 512              (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 513         kind = kThemeRadioButtonMini;
 514     else
 515         kind = kThemeRadioButton;
 516
 517     if (flags & wxCONTROL_CHECKED)
 518         flags |= wxCONTROL_SELECTED;
 519
 520     DrawMacThemeButton(win, dc, rect, flags,
 521                           kind, kThemeAdornmentNone);
 522 }
 523
 524 void wxRendererMac::DrawTextCtrl(wxWindow* win, wxDC& dc,
 525                              const wxRect& rect, int flags)
 526 {
 527     const wxCoord x = rect.x;
 528     const wxCoord y = rect.y;
 529     const wxCoord w = rect.width;
 530     const wxCoord h = rect.height;
 531
 532     dc.SetBrush( *wxWHITE_BRUSH );
 533     dc.SetPen( *wxTRANSPARENT_PEN );
 534     dc.DrawRectangle(rect);
 535
 536     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 537
 538     HIRect hiRect = CGRectMake( x, y, w, h );
 539     if ( !wxInPaintEvent(win, dc) )
 540     {
 541         win->Refresh( &rect );
 542     }
 543     else
 544     {
 545         CGContextRef cgContext;
 546
 547         cgContext = (CGContextRef) static_cast<wxGCDCImpl*>(dc.GetImpl())->GetGraphicsContext()->GetNativeContext();
 548
 549         {
 550             HIThemeFrameDrawInfo drawInfo;
 551
 552             memset( &drawInfo, 0, sizeof(drawInfo) );
 553             drawInfo.version = 0;
 554             drawInfo.kind = kHIThemeFrameTextFieldSquare;
 555             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 556             if (flags & wxCONTROL_FOCUSED)
 557                 drawInfo.isFocused = true;
 558
 559             HIThemeDrawFrame( &hiRect, &drawInfo, cgContext, kHIThemeOrientationNormal);
 560         }
 561     }
 562 }
 563