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 class WXDLLEXPORT wxRendererMac : public wxDelegateRendererNative
  39 {
  40 public:
  41     // draw the header control button (used by wxListCtrl)
  42     virtual int DrawHeaderButton( wxWindow *win,
  43         wxDC& dc,
  44         const wxRect& rect,
  45         int flags = 0,
  46         wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  47         wxHeaderButtonParams* params = NULL );
  48
  49     virtual int GetHeaderButtonHeight(wxWindow *win);
  50
  51     // draw the expanded/collapsed icon for a tree control item
  52     virtual void DrawTreeItemButton( wxWindow *win,
  53         wxDC& dc,
  54         const wxRect& rect,
  55         int flags = 0 );
  56
  57     // draw a (vertical) sash
  58     virtual void DrawSplitterSash( wxWindow *win,
  59         wxDC& dc,
  60         const wxSize& size,
  61         wxCoord position,
  62         wxOrientation orient,
  63         int flags = 0 );
  64
  65     virtual void DrawCheckBox(wxWindow *win,
  66                               wxDC& dc,
  67                               const wxRect& rect,
  68                               int flags = 0);
  69
  70     virtual wxSize GetCheckBoxSize(wxWindow* win);
  71
  72     virtual void DrawComboBoxDropButton(wxWindow *win,
  73                                         wxDC& dc,
  74                                         const wxRect& rect,
  75                                         int flags = 0);
  76
  77     virtual void DrawPushButton(wxWindow *win,
  78                                 wxDC& dc,
  79                                 const wxRect& rect,
  80                                 int flags = 0);
  81
  82     virtual void DrawItemSelectionRect(wxWindow *win,
  83                                        wxDC& dc,
  84                                        const wxRect& rect,
  85                                        int flags = 0);
  86
  87     virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
  88
  89 private:
  90     void DrawMacThemeButton(wxWindow *win,
  91                             wxDC& dc,
  92                             const wxRect& rect,
  93                             int flags,
  94                             int kind,
  95                             int adornment);
  96
  97     // the tree buttons
  98     wxBitmap m_bmpTreeExpanded;
  99     wxBitmap m_bmpTreeCollapsed;
 100 };
 101
 102 // ============================================================================
 103 // implementation
 104 // ============================================================================
 105
 106 // static
 107 wxRendererNative& wxRendererNative::GetDefault()
 108 {
 109     static wxRendererMac s_rendererMac;
 110
 111     return s_rendererMac;
 112 }
 113
 114 int wxRendererMac::DrawHeaderButton( wxWindow *win,
 115     wxDC& dc,
 116     const wxRect& rect,
 117     int flags,
 118     wxHeaderSortIconType sortArrow,
 119     wxHeaderButtonParams* params )
 120 {
 121     const wxCoord x = rect.x;
 122     const wxCoord y = rect.y;
 123     const wxCoord w = rect.width;
 124     const wxCoord h = rect.height;
 125
 126     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 127
 128     HIRect headerRect = CGRectMake( x, y, w, h );
 129     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 130     {
 131         win->Refresh( &rect );
 132     }
 133     else
 134     {
 135         CGContextRef cgContext;
 136         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 137
 138         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 139
 140         {
 141             HIThemeButtonDrawInfo drawInfo;
 142             HIRect labelRect;
 143
 144             memset( &drawInfo, 0, sizeof(drawInfo) );
 145             drawInfo.version = 0;
 146             drawInfo.kind = kThemeListHeaderButton;
 147             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 148             drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 149             drawInfo.adornment = kThemeAdornmentNone;
 150
 151             // The down arrow is drawn automatically, change it to an up arrow if needed.
 152             if ( sortArrow == wxHDR_SORT_ICON_UP )
 153                 drawInfo.adornment = kThemeAdornmentHeaderButtonSortUp;
 154
 155             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 156
 157             // If we don't want any arrows we need to draw over the one already there
 158             if ( (flags & wxCONTROL_SELECTED) && (sortArrow == wxHDR_SORT_ICON_NONE) )
 159             {
 160                 // clip to the header rectangle
 161                 CGContextSaveGState( cgContext );
 162                 CGContextClipToRect( cgContext, headerRect );
 163                 // but draw bigger than that so the arrow will get clipped off
 164                 headerRect.size.width += 25;
 165                 HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 166                 CGContextRestoreGState( cgContext );
 167             }
 168         }
 169     }
 170
 171     // Reserve room for the arrows before writing the label, and turn off the
 172     // flags we've already handled
 173     wxRect newRect(rect);
 174     if ( (flags & wxCONTROL_SELECTED) && (sortArrow != wxHDR_SORT_ICON_NONE) )
 175     {
 176         newRect.width -= 12;
 177         sortArrow = wxHDR_SORT_ICON_NONE;
 178     }
 179     flags &= ~wxCONTROL_SELECTED;
 180
 181     return DrawHeaderButtonContents(win, dc, newRect, flags, sortArrow, params);
 182 }
 183
 184
 185 int wxRendererMac::GetHeaderButtonHeight(wxWindow* WXUNUSED(win))
 186 {
 187     SInt32      standardHeight;
 188     OSStatus        errStatus;
 189
 190     errStatus = GetThemeMetric( kThemeMetricListHeaderHeight, &standardHeight );
 191     if (errStatus == noErr)
 192     {
 193         return standardHeight;
 194     }
 195     return -1;
 196 }
 197
 198 void wxRendererMac::DrawTreeItemButton( wxWindow *win,
 199     wxDC& dc,
 200     const wxRect& rect,
 201     int flags )
 202 {
 203     // now the wxGCDC is using native transformations
 204     const wxCoord x = rect.x;
 205     const wxCoord y = rect.y;
 206     const wxCoord w = rect.width;
 207     const wxCoord h = rect.height;
 208
 209     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 210
 211     HIRect headerRect = CGRectMake( x, y, w, h );
 212     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 213     {
 214         win->Refresh( &rect );
 215     }
 216     else
 217     {
 218         CGContextRef cgContext;
 219
 220         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 221         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 222
 223         HIThemeButtonDrawInfo drawInfo;
 224         HIRect labelRect;
 225
 226         memset( &drawInfo, 0, sizeof(drawInfo) );
 227         drawInfo.version = 0;
 228         drawInfo.kind = kThemeDisclosureButton;
 229         drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 230         // Apple mailing list posts say to use the arrow adornment constants, but those don't work.
 231         // We need to set the value using the 'old' DrawThemeButton constants instead.
 232         drawInfo.value = (flags & wxCONTROL_EXPANDED) ? kThemeDisclosureDown : kThemeDisclosureRight;
 233         drawInfo.adornment = kThemeAdornmentNone;
 234
 235         HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 236     }
 237 }
 238
 239 void wxRendererMac::DrawSplitterSash( wxWindow *win,
 240     wxDC& dc,
 241     const wxSize& size,
 242     wxCoord position,
 243     wxOrientation orient,
 244     int WXUNUSED(flags) )
 245 {
 246     bool hasMetal = win->MacGetTopLevelWindow()->GetExtraStyle() & wxFRAME_EX_METAL;
 247     SInt32 height;
 248     GetThemeMetric( kThemeMetricSmallPaneSplitterHeight, &height );
 249     HIRect splitterRect;
 250     if (orient == wxVERTICAL)
 251         splitterRect = CGRectMake( position, 0, height, size.y );
 252     else
 253         splitterRect = CGRectMake( 0, position, size.x, height );
 254
 255     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
 256     // strange redraw errors occur if we don't do this
 257
 258     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 259     {
 260         wxRect rect( (int) splitterRect.origin.x, (int) splitterRect.origin.y, (int) splitterRect.size.width,
 261                      (int) splitterRect.size.height );
 262         win->Refresh( &rect );
 263    }
 264     else
 265     {
 266         CGContextRef cgContext;
 267         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 268         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 269
 270         HIThemeSplitterDrawInfo drawInfo;
 271         drawInfo.version = 0;
 272         drawInfo.state = kThemeStateActive;
 273         drawInfo.adornment = hasMetal ? kHIThemeSplitterAdornmentMetal : kHIThemeSplitterAdornmentNone;
 274         HIThemeDrawPaneSplitter( &splitterRect, &drawInfo, cgContext, kHIThemeOrientationNormal );
 275     }
 276 }
 277
 278 void
 279 wxRendererMac::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
 280                                      wxDC& dc,
 281                                      const wxRect& rect,
 282                                      int flags)
 283 {
 284     if ( !(flags & wxCONTROL_SELECTED) )
 285         return;
 286
 287     wxColour col( wxMacCreateCGColorFromHITheme( (flags & wxCONTROL_FOCUSED) ?
 288                                                  kThemeBrushAlternatePrimaryHighlightColor
 289                                                                              : kThemeBrushSecondaryHighlightColor ) );
 290     wxBrush selBrush( col );
 291
 292     dc.SetPen( *wxTRANSPARENT_PEN );
 293     dc.SetBrush( selBrush );
 294     dc.DrawRectangle( rect );
 295 }
 296
 297
 298 void
 299 wxRendererMac::DrawMacThemeButton(wxWindow *win,
 300                                   wxDC& dc,
 301                                   const wxRect& rect,
 302                                   int flags,
 303                                   int kind,
 304                                   int adornment)
 305 {
 306     // now the wxGCDC is using native transformations
 307     const wxCoord x = rect.x;
 308     const wxCoord y = rect.y;
 309     const wxCoord w = rect.width;
 310     const wxCoord h = rect.height;
 311
 312     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 313
 314     HIRect headerRect = CGRectMake( x, y, w, h );
 315     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 316     {
 317         win->Refresh( &rect );
 318     }
 319     else
 320     {
 321         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 322         CGContextRef cgContext;
 323         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 324
 325         HIThemeButtonDrawInfo drawInfo;
 326         HIRect labelRect;
 327
 328         memset( &drawInfo, 0, sizeof(drawInfo) );
 329         drawInfo.version = 0;
 330         drawInfo.kind = kind;
 331         drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 332         drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 333         if (flags & wxCONTROL_UNDETERMINED)
 334             drawInfo.value = kThemeButtonMixed;
 335         drawInfo.adornment = adornment;
 336
 337         HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 338     }
 339 }
 340
 341 void
 342 wxRendererMac::DrawCheckBox(wxWindow *win,
 343                             wxDC& dc,
 344                             const wxRect& rect,
 345                             int flags)
 346 {
 347     if (flags & wxCONTROL_CHECKED)
 348         flags |= wxCONTROL_SELECTED;
 349
 350     DrawMacThemeButton(win, dc, rect, flags,
 351                        kThemeCheckBox, kThemeAdornmentNone);
 352 }
 353
 354 wxSize wxRendererMac::GetCheckBoxSize(wxWindow* WXUNUSED(win))
 355 {
 356     wxSize size;
 357     SInt32 width, height;
 358     OSStatus errStatus;
 359
 360     errStatus = GetThemeMetric(kThemeMetricCheckBoxWidth, &width);
 361     if (errStatus == noErr)
 362     {
 363         size.SetWidth(width);
 364     }
 365
 366     errStatus = GetThemeMetric(kThemeMetricCheckBoxHeight, &height);
 367     if (errStatus == noErr)
 368     {
 369         size.SetHeight(height);
 370     }
 371
 372     return size;
 373 }
 374
 375 void
 376 wxRendererMac::DrawComboBoxDropButton(wxWindow *win,
 377                               wxDC& dc,
 378                               const wxRect& rect,
 379                               int flags)
 380 {
 381     int kind;
 382     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 383         kind = kThemeArrowButtonSmall;
 384     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 385         kind = kThemeArrowButtonMini;
 386     else
 387         kind = kThemeArrowButton;
 388
 389     DrawMacThemeButton(win, dc, rect, flags,
 390                        kind, kThemeAdornmentArrowDownArrow);
 391 }
 392
 393 void
 394 wxRendererMac::DrawPushButton(wxWindow *win,
 395                               wxDC& dc,
 396                               const wxRect& rect,
 397                               int flags)
 398 {
 399     int kind;
 400     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 401         kind = kThemeBevelButtonSmall;
 402     // There is no kThemeBevelButtonMini, but in this case, use Small
 403     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 404         kind = kThemeBevelButtonSmall;
 405     else
 406         kind = kThemeBevelButton;
 407
 408     DrawMacThemeButton(win, dc, rect, flags,
 409                        kind, kThemeAdornmentNone);
 410 }
 411
 412 void
 413 wxRendererMac::DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags)
 414 {
 415     if (!win)
 416     {
 417         wxDelegateRendererNative::DrawFocusRect(win, dc, rect, flags);
 418         return;
 419     }
 420
 421     CGRect cgrect = CGRectMake( rect.x , rect.y , rect.width, rect.height ) ;
 422
 423     HIThemeFrameDrawInfo info ;
 424     memset( &info, 0 , sizeof(info) ) ;
 425
 426     info.version = 0 ;
 427     info.kind = 0 ;
 428     info.state = kThemeStateActive;
 429     info.isFocused = true ;
 430
 431     CGContextRef cgContext = (CGContextRef) win->MacGetCGContextRef() ;
 432     wxASSERT( cgContext ) ;
 433
 434     HIThemeDrawFocusRect( &cgrect , true , cgContext , kHIThemeOrientationNormal ) ;
 435 }