src/mac/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/mac/uma.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
 130         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 131
 132         {
 133             HIThemeButtonDrawInfo drawInfo;
 134             HIRect labelRect;
 135
 136             memset( &drawInfo, 0, sizeof(drawInfo) );
 137             drawInfo.version = 0;
 138             drawInfo.kind = kThemeListHeaderButton;
 139             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 140             drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 141             drawInfo.adornment = kThemeAdornmentNone;
 142
 143             // The down arrow is drawn automatically, change it to an up arrow if needed.
 144             if ( sortArrow == wxHDR_SORT_ICON_UP )
 145                 drawInfo.adornment = kThemeAdornmentHeaderButtonSortUp;
 146
 147             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 148
 149             // If we don't want any arrows we need to draw over the one already there
 150             if ( (flags & wxCONTROL_SELECTED) && (sortArrow == wxHDR_SORT_ICON_NONE) )
 151             {
 152                 // clip to the header rectangle
 153                 CGContextSaveGState( cgContext );
 154                 CGContextClipToRect( cgContext, headerRect );
 155                 // but draw bigger than that so the arrow will get clipped off
 156                 headerRect.size.width += 25;
 157                 HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 158                 CGContextRestoreGState( cgContext );
 159             }
 160         }
 161     }
 162
 163     // Reserve room for the arrows before writing the label, and turn off the
 164     // flags we've already handled
 165     wxRect newRect(rect);
 166     if ( (flags & wxCONTROL_SELECTED) && (sortArrow != wxHDR_SORT_ICON_NONE) )
 167     {
 168         newRect.width -= 12;
 169         sortArrow = wxHDR_SORT_ICON_NONE;
 170     }
 171     flags &= ~wxCONTROL_SELECTED;
 172
 173     return DrawHeaderButtonContents(win, dc, newRect, flags, sortArrow, params);
 174 }
 175
 176
 177 int wxRendererMac::GetHeaderButtonHeight(wxWindow* WXUNUSED(win))
 178 {
 179     SInt32      standardHeight;
 180     OSStatus        errStatus;
 181
 182     errStatus = GetThemeMetric( kThemeMetricListHeaderHeight, &standardHeight );
 183     if (errStatus == noErr)
 184     {
 185         return standardHeight;
 186     }
 187     return -1;
 188 }
 189
 190 void wxRendererMac::DrawTreeItemButton( wxWindow *win,
 191     wxDC& dc,
 192     const wxRect& rect,
 193     int flags )
 194 {
 195     // now the wxGCDC is using native transformations
 196     const wxCoord x = rect.x;
 197     const wxCoord y = rect.y;
 198     const wxCoord w = rect.width;
 199     const wxCoord h = rect.height;
 200
 201     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 202
 203     HIRect headerRect = CGRectMake( x, y, w, h );
 204     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 205     {
 206         win->Refresh( &rect );
 207     }
 208     else
 209     {
 210         CGContextRef cgContext;
 211
 212         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 213
 214         HIThemeButtonDrawInfo drawInfo;
 215         HIRect labelRect;
 216
 217         memset( &drawInfo, 0, sizeof(drawInfo) );
 218         drawInfo.version = 0;
 219         drawInfo.kind = kThemeDisclosureButton;
 220         drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 221         // Apple mailing list posts say to use the arrow adornment constants, but those don't work.
 222         // We need to set the value using the 'old' DrawThemeButton constants instead.
 223         drawInfo.value = (flags & wxCONTROL_EXPANDED) ? kThemeDisclosureDown : kThemeDisclosureRight;
 224         drawInfo.adornment = kThemeAdornmentNone;
 225
 226         HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 227     }
 228 }
 229
 230 void wxRendererMac::DrawSplitterSash( wxWindow *win,
 231     wxDC& dc,
 232     const wxSize& size,
 233     wxCoord position,
 234     wxOrientation orient,
 235     int WXUNUSED(flags) )
 236 {
 237     bool hasMetal = win->MacGetTopLevelWindow()->MacGetMetalAppearance();
 238     SInt32 height;
 239     GetThemeMetric( kThemeMetricSmallPaneSplitterHeight, &height );
 240     HIRect splitterRect;
 241     if (orient == wxVERTICAL)
 242         splitterRect = CGRectMake( position, 0, height, size.y );
 243     else
 244         splitterRect = CGRectMake( 0, position, size.x, height );
 245
 246     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
 247     // strange redraw errors occur if we don't do this
 248
 249     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 250     {
 251         wxRect rect( (int) splitterRect.origin.x, (int) splitterRect.origin.y, (int) splitterRect.size.width,
 252                      (int) splitterRect.size.height );
 253         win->Refresh( &rect );
 254    }
 255     else
 256     {
 257         CGContextRef cgContext;
 258
 259         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 260
 261         HIThemeSplitterDrawInfo drawInfo;
 262         drawInfo.version = 0;
 263         drawInfo.state = kThemeStateActive;
 264         drawInfo.adornment = hasMetal ? kHIThemeSplitterAdornmentMetal : kHIThemeSplitterAdornmentNone;
 265         HIThemeDrawPaneSplitter( &splitterRect, &drawInfo, cgContext, kHIThemeOrientationNormal );
 266     }
 267 }
 268
 269 void
 270 wxRendererMac::DrawItemSelectionRect(wxWindow *win,
 271                                      wxDC& dc,
 272                                      const wxRect& rect,
 273                                      int flags )
 274 {
 275     if ( !(flags & wxCONTROL_SELECTED) )
 276         return;
 277
 278     wxColour col( wxMacCreateCGColorFromHITheme( (flags & wxCONTROL_FOCUSED) ?
 279                                                  kThemeBrushAlternatePrimaryHighlightColor
 280                                                                              : kThemeBrushSecondaryHighlightColor ) );
 281     wxBrush selBrush( col );
 282
 283     dc.SetPen( *wxTRANSPARENT_PEN );
 284     dc.SetBrush( selBrush );
 285     dc.DrawRectangle( rect );
 286 }
 287
 288
 289 void
 290 wxRendererMac::DrawMacThemeButton(wxWindow *win,
 291                                   wxDC& dc,
 292                                   const wxRect& rect,
 293                                   int flags,
 294                                   int kind,
 295                                   int adornment)
 296 {
 297     // now the wxGCDC is using native transformations
 298     const wxCoord x = rect.x;
 299     const wxCoord y = rect.y;
 300     const wxCoord w = rect.width;
 301     const wxCoord h = rect.height;
 302
 303     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 304
 305     HIRect headerRect = CGRectMake( x, y, w, h );
 306     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 307     {
 308         win->Refresh( &rect );
 309     }
 310     else
 311     {
 312         CGContextRef cgContext;
 313         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 314
 315         HIThemeButtonDrawInfo drawInfo;
 316         HIRect labelRect;
 317
 318         memset( &drawInfo, 0, sizeof(drawInfo) );
 319         drawInfo.version = 0;
 320         drawInfo.kind = kind;
 321         drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 322         drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 323         if (flags & wxCONTROL_UNDETERMINED)
 324             drawInfo.value = kThemeButtonMixed;
 325         drawInfo.adornment = adornment;
 326
 327         HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 328     }
 329 }
 330
 331 void
 332 wxRendererMac::DrawCheckBox(wxWindow *win,
 333                             wxDC& dc,
 334                             const wxRect& rect,
 335                             int flags)
 336 {
 337     if (flags & wxCONTROL_CHECKED)
 338         flags |= wxCONTROL_SELECTED;
 339
 340     DrawMacThemeButton(win, dc, rect, flags,
 341                        kThemeCheckBox, kThemeAdornmentNone);
 342 }
 343
 344 void
 345 wxRendererMac::DrawComboBoxDropButton(wxWindow *win,
 346                               wxDC& dc,
 347                               const wxRect& rect,
 348                               int flags)
 349 {
 350     int kind;
 351     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 352         kind = kThemeArrowButtonSmall;
 353     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 354         kind = kThemeArrowButtonMini;
 355     else
 356         kind = kThemeArrowButton;
 357
 358     DrawMacThemeButton(win, dc, rect, flags,
 359                        kind, kThemeAdornmentArrowDownArrow);
 360 }
 361
 362 void
 363 wxRendererMac::DrawPushButton(wxWindow *win,
 364                               wxDC& dc,
 365                               const wxRect& rect,
 366                               int flags)
 367 {
 368     int kind;
 369     if (win->GetWindowVariant() == wxWINDOW_VARIANT_SMALL || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_SMALL))
 370         kind = kThemeBevelButtonSmall;
 371     // There is no kThemeBevelButtonMini, but in this case, use Small
 372     else if (win->GetWindowVariant() == wxWINDOW_VARIANT_MINI || (win->GetParent() && win->GetParent()->GetWindowVariant() == wxWINDOW_VARIANT_MINI))
 373         kind = kThemeBevelButtonSmall;
 374     else
 375         kind = kThemeBevelButton;
 376
 377     DrawMacThemeButton(win, dc, rect, flags,
 378                        kind, kThemeAdornmentNone);
 379 }
 380
 381 void
 382 wxRendererMac::DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags)
 383 {
 384     if (!win)
 385     {
 386         wxDelegateRendererNative::DrawFocusRect(win, dc, rect, flags);
 387         return;
 388     }
 389
 390     CGRect cgrect = CGRectMake( rect.x , rect.y , rect.width, rect.height ) ;
 391
 392     HIThemeFrameDrawInfo info ;
 393     memset( &info, 0 , sizeof(info) ) ;
 394
 395     info.version = 0 ;
 396     info.kind = 0 ;
 397     info.state = kThemeStateActive;
 398     info.isFocused = true ;
 399
 400     CGContextRef cgContext = (CGContextRef) win->MacGetCGContextRef() ;
 401     wxASSERT( cgContext ) ;
 402
 403     HIThemeDrawFocusRect( &cgrect , true , cgContext , kHIThemeOrientationNormal ) ;
 404 }
 405