src/osx/carbon/renderer.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/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/osx/private.h"
  31
  32
  33 class WXDLLEXPORT wxRendererMac : public wxDelegateRendererNative
  34 {
  35 public:
  36     // draw the header control button (used by wxListCtrl)
  37     virtual int DrawHeaderButton( wxWindow *win,
  38         wxDC& dc,
  39         const wxRect& rect,
  40         int flags = 0,
  41         wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
  42         wxHeaderButtonParams* params = NULL );
  43
  44     virtual int GetHeaderButtonHeight(wxWindow *win);
  45
  46     // draw the expanded/collapsed icon for a tree control item
  47     virtual void DrawTreeItemButton( wxWindow *win,
  48         wxDC& dc,
  49         const wxRect& rect,
  50         int flags = 0 );
  51
  52     // draw a (vertical) sash
  53     virtual void DrawSplitterSash( wxWindow *win,
  54         wxDC& dc,
  55         const wxSize& size,
  56         wxCoord position,
  57         wxOrientation orient,
  58         int flags = 0 );
  59
  60     virtual void DrawCheckBox(wxWindow *win,
  61                               wxDC& dc,
  62                               const wxRect& rect,
  63                               int flags = 0);
  64
  65     virtual void DrawComboBoxDropButton(wxWindow *win,
  66                                         wxDC& dc,
  67                                         const wxRect& rect,
  68                                         int flags = 0);
  69
  70     virtual void DrawPushButton(wxWindow *win,
  71                                 wxDC& dc,
  72                                 const wxRect& rect,
  73                                 int flags = 0);
  74
  75     virtual void DrawItemSelectionRect(wxWindow *win,
  76                                        wxDC& dc,
  77                                        const wxRect& rect,
  78                                        int flags = 0);
  79
  80     virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
  81
  82 private:
  83     void DrawMacThemeButton(wxWindow *win,
  84                             wxDC& dc,
  85                             const wxRect& rect,
  86                             int flags,
  87                             int kind,
  88                             int adornment);
  89
  90     // the tree buttons
  91     wxBitmap m_bmpTreeExpanded;
  92     wxBitmap m_bmpTreeCollapsed;
  93 };
  94
  95 // ============================================================================
  96 // implementation
  97 // ============================================================================
  98
  99 // static
 100 wxRendererNative& wxRendererNative::GetDefault()
 101 {
 102     static wxRendererMac s_rendererMac;
 103
 104     return s_rendererMac;
 105 }
 106
 107 int wxRendererMac::DrawHeaderButton( wxWindow *win,
 108     wxDC& dc,
 109     const wxRect& rect,
 110     int flags,
 111     wxHeaderSortIconType sortArrow,
 112     wxHeaderButtonParams* params )
 113 {
 114     const wxCoord x = rect.x;
 115     const wxCoord y = rect.y;
 116     const wxCoord w = rect.width;
 117     const wxCoord h = rect.height;
 118
 119     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 120
 121     HIRect headerRect = CGRectMake( x, y, w, h );
 122     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 123     {
 124         win->Refresh( &rect );
 125     }
 126     else
 127     {
 128         CGContextRef cgContext;
 129         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 130
 131         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 132
 133         {
 134             HIThemeButtonDrawInfo drawInfo;
 135             HIRect labelRect;
 136
 137             memset( &drawInfo, 0, sizeof(drawInfo) );
 138             drawInfo.version = 0;
 139             drawInfo.kind = kThemeListHeaderButton;
 140             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 141             drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 142             drawInfo.adornment = kThemeAdornmentNone;
 143
 144             // The down arrow is drawn automatically, change it to an up arrow if needed.
 145             if ( sortArrow == wxHDR_SORT_ICON_UP )
 146                 drawInfo.adornment = kThemeAdornmentHeaderButtonSortUp;
 147
 148             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 149
 150             // If we don't want any arrows we need to draw over the one already there
 151             if ( (flags & wxCONTROL_SELECTED) && (sortArrow == wxHDR_SORT_ICON_NONE) )
 152             {
 153                 // clip to the header rectangle
 154                 CGContextSaveGState( cgContext );
 155                 CGContextClipToRect( cgContext, headerRect );
 156                 // but draw bigger than that so the arrow will get clipped off
 157                 headerRect.size.width += 25;
 158                 HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 159                 CGContextRestoreGState( cgContext );
 160             }
 161         }
 162     }
 163
 164     // Reserve room for the arrows before writing the label, and turn off the
 165     // flags we've already handled
 166     wxRect newRect(rect);
 167     if ( (flags & wxCONTROL_SELECTED) && (sortArrow != wxHDR_SORT_ICON_NONE) )
 168     {
 169         newRect.width -= 12;
 170         sortArrow = wxHDR_SORT_ICON_NONE;
 171     }
 172     flags &= ~wxCONTROL_SELECTED;
 173
 174     return DrawHeaderButtonContents(win, dc, newRect, flags, sortArrow, params);
 175 }
 176
 177
 178 int wxRendererMac::GetHeaderButtonHeight(wxWindow* WXUNUSED(win))
 179 {
 180     SInt32      standardHeight;
 181     OSStatus        errStatus;
 182
 183     errStatus = GetThemeMetric( kThemeMetricListHeaderHeight, &standardHeight );
 184     if (errStatus == noErr)
 185     {
 186         return standardHeight;
 187     }
 188     return -1;
 189 }
 190
 191 void wxRendererMac::DrawTreeItemButton( wxWindow *win,
 192     wxDC& dc,
 193     const wxRect& rect,
 194     int flags )
 195 {
 196     // now the wxGCDC is using native transformations
 197     const wxCoord x = rect.x;
 198     const wxCoord y = rect.y;
 199     const wxCoord w = rect.width;
 200     const wxCoord h = rect.height;
 201
 202     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 203
 204     HIRect headerRect = CGRectMake( x, y, w, h );
 205     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 206     {
 207         win->Refresh( &rect );
 208     }
 209     else
 210     {
 211         CGContextRef cgContext;
 212
 213         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 214         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 215
 216         HIThemeButtonDrawInfo drawInfo;
 217         HIRect labelRect;
 218
 219         memset( &drawInfo, 0, sizeof(drawInfo) );
 220         drawInfo.version = 0;
 221         drawInfo.kind = kThemeDisclosureButton;
 222         drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 223         // Apple mailing list posts say to use the arrow adornment constants, but those don't work.
 224         // We need to set the value using the 'old' DrawThemeButton constants instead.
 225         drawInfo.value = (flags & wxCONTROL_EXPANDED) ? kThemeDisclosureDown : kThemeDisclosureRight;
 226         drawInfo.adornment = kThemeAdornmentNone;
 227
 228         HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 229     }
 230 }
 231
 232 void wxRendererMac::DrawSplitterSash( wxWindow *win,
 233     wxDC& dc,
 234     const wxSize& size,
 235     wxCoord position,
 236     wxOrientation orient,
 237     int WXUNUSED(flags) )
 238 {
 239     bool hasMetal = win->MacGetTopLevelWindow()->GetExtraStyle() & wxFRAME_EX_METAL;
 240     SInt32 height;
 241     GetThemeMetric( kThemeMetricSmallPaneSplitterHeight, &height );
 242     HIRect splitterRect;
 243     if (orient == wxVERTICAL)
 244         splitterRect = CGRectMake( position, 0, height, size.y );
 245     else
 246         splitterRect = CGRectMake( 0, position, size.x, height );
 247
 248     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
 249     // strange redraw errors occur if we don't do this
 250
 251     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 252     {
 253         wxRect rect( (int) splitterRect.origin.x, (int) splitterRect.origin.y, (int) splitterRect.size.width,
 254                      (int) splitterRect.size.height );
 255         win->Refresh( &rect );
 256    }
 257     else
 258     {
 259         CGContextRef cgContext;
 260         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 261         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 262
 263         HIThemeSplitterDrawInfo drawInfo;
 264         drawInfo.version = 0;
 265         drawInfo.state = kThemeStateActive;
 266         drawInfo.adornment = hasMetal ? kHIThemeSplitterAdornmentMetal : kHIThemeSplitterAdornmentNone;
 267         HIThemeDrawPaneSplitter( &splitterRect, &drawInfo, cgContext, kHIThemeOrientationNormal );
 268     }
 269 }
 270
 271 void
 272 wxRendererMac::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
 273                                      wxDC& dc,
 274                                      const wxRect& rect,
 275                                      int flags)
 276 {
 277     if ( !(flags & wxCONTROL_SELECTED) )
 278         return;
 279
 280     wxColour col( wxMacCreateCGColorFromHITheme( (flags & wxCONTROL_FOCUSED) ?
 281                                                  kThemeBrushAlternatePrimaryHighlightColor
 282                                                                              : kThemeBrushSecondaryHighlightColor ) );
 283     wxBrush selBrush( col );
 284
 285     dc.SetPen( *wxTRANSPARENT_PEN );
 286     dc.SetBrush( selBrush );
 287     dc.DrawRectangle( rect );
 288 }
 289
 290
 291 void
 292 wxRendererMac::DrawMacThemeButton(wxWindow *win,
 293                                   wxDC& dc,
 294                                   const wxRect& rect,
 295                                   int flags,
 296                                   int kind,
 297                                   int adornment)
 298 {
 299     // now the wxGCDC is using native transformations
 300     const wxCoord x = rect.x;
 301     const wxCoord y = rect.y;
 302     const wxCoord w = rect.width;
 303     const wxCoord h = rect.height;
 304
 305     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 306
 307     HIRect headerRect = CGRectMake( x, y, w, h );
 308     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 309     {
 310         win->Refresh( &rect );
 311     }
 312     else
 313     {
 314         wxGCDCImpl *impl = (wxGCDCImpl*) dc.GetImpl();
 315         CGContextRef cgContext;
 316         cgContext = (CGContextRef) impl->GetGraphicsContext()->GetNativeContext();
 317
 318         HIThemeButtonDrawInfo drawInfo;
 319         HIRect labelRect;
 320
 321         memset( &drawInfo, 0, sizeof(drawInfo) );
 322         drawInfo.version = 0;
 323         drawInfo.kind = kind;
 324         drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 325         drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 326         if (flags & wxCONTROL_UNDETERMINED)
 327             drawInfo.value = kThemeButtonMixed;
 328         drawInfo.adornment = adornment;
 329
 330         HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 331     }
 332 }
 333
 334 void
 335 wxRendererMac::DrawCheckBox(wxWindow *win,
 336                             wxDC& dc,
 337                             const wxRect& rect,
 338                             int flags)
 339 {
 340     if (flags & wxCONTROL_CHECKED)
 341         flags |= wxCONTROL_SELECTED;
 342
 343     DrawMacThemeButton(win, dc, rect, flags,
 344                        kThemeCheckBox, kThemeAdornmentNone);
 345 }
 346
 347 void
 348 wxRendererMac::DrawComboBoxDropButton(wxWindow *win,
 349                               wxDC& dc,
 350                               const wxRect& rect,
 351                               int flags)
 352 {
 353     int kind;
 354     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 355         kind = kThemeArrowButtonSmall;
 356     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 357         kind = kThemeArrowButtonMini;
 358     else
 359         kind = kThemeArrowButton;
 360
 361     DrawMacThemeButton(win, dc, rect, flags,
 362                        kind, kThemeAdornmentArrowDownArrow);
 363 }
 364
 365 void
 366 wxRendererMac::DrawPushButton(wxWindow *win,
 367                               wxDC& dc,
 368                               const wxRect& rect,
 369                               int flags)
 370 {
 371     int kind;
 372     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 373         kind = kThemeBevelButtonSmall;
 374     // There is no kThemeBevelButtonMini, but in this case, use Small
 375     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 376         kind = kThemeBevelButtonSmall;
 377     else
 378         kind = kThemeBevelButton;
 379
 380     DrawMacThemeButton(win, dc, rect, flags,
 381                        kind, kThemeAdornmentNone);
 382 }
 383
 384 void
 385 wxRendererMac::DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags)
 386 {
 387     if (!win)
 388     {
 389         wxDelegateRendererNative::DrawFocusRect(win, dc, rect, flags);
 390         return;
 391     }
 392
 393     CGRect cgrect = CGRectMake( rect.x , rect.y , rect.width, rect.height ) ;
 394
 395     HIThemeFrameDrawInfo info ;
 396     memset( &info, 0 , sizeof(info) ) ;
 397
 398     info.version = 0 ;
 399     info.kind = 0 ;
 400     info.state = kThemeStateActive;
 401     info.isFocused = true ;
 402
 403     CGContextRef cgContext = (CGContextRef) win->MacGetCGContextRef() ;
 404     wxASSERT( cgContext ) ;
 405
 406     HIThemeDrawFocusRect( &cgrect , true , cgContext , kHIThemeOrientationNormal ) ;
 407 }
 408