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 void 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 DrawItemSelectionRect(wxWindow *win,
  61                                        wxDC& dc,
  62                                        const wxRect& rect,
  63                                        int flags = 0);
  64
  65 private:
  66     // the tree buttons
  67     wxBitmap m_bmpTreeExpanded;
  68     wxBitmap m_bmpTreeCollapsed;
  69 };
  70
  71 // ============================================================================
  72 // implementation
  73 // ============================================================================
  74
  75 // static
  76 wxRendererNative& wxRendererNative::GetDefault()
  77 {
  78     static wxRendererMac s_rendererMac;
  79
  80     return s_rendererMac;
  81 }
  82
  83 void wxRendererMac::DrawHeaderButton( wxWindow *win,
  84     wxDC& dc,
  85     const wxRect& rect,
  86     int flags,
  87     wxHeaderSortIconType sortArrow,
  88     wxHeaderButtonParams* params )
  89 {
  90 #if !wxMAC_USE_CORE_GRAPHICS
  91     const wxCoord x = dc.LogicalToDeviceX(rect.x);
  92     const wxCoord y = dc.LogicalToDeviceY(rect.y);
  93     const wxCoord w = dc.LogicalToDeviceXRel(rect.width);
  94     const wxCoord h = dc.LogicalToDeviceYRel(rect.height);
  95 #else
  96     // now the wxGCDC is using native transformations
  97     const wxCoord x = rect.x;
  98     const wxCoord y = rect.y;
  99     const wxCoord w = rect.width;
 100     const wxCoord h = rect.height;
 101 #endif
 102
 103     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 104
 105     HIRect headerRect = CGRectMake( x, y, w, h );
 106     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 107     {
 108         Rect r =
 109         {
 110             (short) headerRect.origin.y, (short) headerRect.origin.x,
 111             (short) (headerRect.origin.y + headerRect.size.height),
 112             (short) (headerRect.origin.x + headerRect.size.width)
 113         };
 114
 115         RgnHandle updateRgn = NewRgn();
 116         RectRgn( updateRgn, &r );
 117         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 118         DisposeRgn( updateRgn );
 119     }
 120     else
 121     {
 122         CGContextRef cgContext;
 123
 124 #if wxMAC_USE_CORE_GRAPHICS
 125         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 126 #else
 127         Rect bounds;
 128
 129         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 130         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 131
 132         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 133         CGContextScaleCTM( cgContext, 1, -1 );
 134
 135         HIShapeReplacePathInCGContext( HIShapeCreateWithQDRgn( (RgnHandle) dc.m_macCurrentClipRgn ), cgContext );
 136         CGContextClip( cgContext );
 137         HIViewConvertRect( &headerRect, (HIViewRef) win->GetHandle(), (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 138 #endif
 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 #if wxMAC_USE_CORE_GRAPHICS
 171 #else
 172         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 173 #endif
 174     }
 175
 176     // Reserve room for the arrows before writing the label, and turn off the
 177     // flags we've already handled
 178     wxRect newRect(rect);
 179     if ( (flags & wxCONTROL_SELECTED) && (sortArrow != wxHDR_SORT_ICON_NONE) )
 180     {
 181         newRect.width -= 12;
 182         sortArrow = wxHDR_SORT_ICON_NONE;
 183     }
 184     flags &= ~wxCONTROL_SELECTED;
 185
 186     DrawHeaderButtonContents(win, dc, newRect, flags, sortArrow, params);
 187 }
 188
 189
 190 int wxRendererMac::GetHeaderButtonHeight(wxWindow* WXUNUSED(win))
 191 {
 192     SInt32              standardHeight;
 193     OSStatus            errStatus;
 194
 195     errStatus = GetThemeMetric( kThemeMetricListHeaderHeight, &standardHeight );
 196     if (errStatus == noErr)
 197     {
 198         return standardHeight;
 199     }
 200     return -1;
 201 }
 202
 203 void wxRendererMac::DrawTreeItemButton( wxWindow *win,
 204     wxDC& dc,
 205     const wxRect& rect,
 206     int flags )
 207 {
 208 #if !wxMAC_USE_CORE_GRAPHICS
 209     const wxCoord x = dc.LogicalToDeviceX(rect.x);
 210     const wxCoord y = dc.LogicalToDeviceY(rect.y);
 211     const wxCoord w = dc.LogicalToDeviceXRel(rect.width);
 212     const wxCoord h = dc.LogicalToDeviceYRel(rect.height);
 213 #else
 214     // now the wxGCDC is using native transformations
 215     const wxCoord x = rect.x;
 216     const wxCoord y = rect.y;
 217     const wxCoord w = rect.width;
 218     const wxCoord h = rect.height;
 219 #endif
 220
 221     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 222
 223     HIRect headerRect = CGRectMake( x, y, w, h );
 224     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 225     {
 226         Rect r =
 227     {
 228             (short) headerRect.origin.y, (short) headerRect.origin.x,
 229             (short) (headerRect.origin.y + headerRect.size.height),
 230             (short) (headerRect.origin.x + headerRect.size.width)
 231         };
 232
 233         RgnHandle updateRgn = NewRgn();
 234         RectRgn( updateRgn, &r );
 235         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 236         DisposeRgn( updateRgn );
 237     }
 238     else
 239     {
 240         CGContextRef cgContext;
 241
 242 #if wxMAC_USE_CORE_GRAPHICS
 243         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 244 #else
 245         Rect bounds;
 246
 247         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 248         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 249
 250         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 251         CGContextScaleCTM( cgContext, 1, -1 );
 252
 253         HIShapeReplacePathInCGContext( HIShapeCreateWithQDRgn( (RgnHandle) dc.m_macCurrentClipRgn ), cgContext );
 254         CGContextClip( cgContext );
 255         HIViewConvertRect( &headerRect, (HIViewRef) win->GetHandle(), (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 256 #endif
 257
 258     {
 259             HIThemeButtonDrawInfo drawInfo;
 260             HIRect labelRect;
 261
 262             memset( &drawInfo, 0, sizeof(drawInfo) );
 263             drawInfo.version = 0;
 264             drawInfo.kind = kThemeDisclosureButton;
 265             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 266             // Apple mailing list posts say to use the arrow adornment constants, but those don't work.
 267             // We need to set the value using the 'old' DrawThemeButton constants instead.
 268             drawInfo.value = (flags & wxCONTROL_EXPANDED) ? kThemeDisclosureDown : kThemeDisclosureRight;
 269             drawInfo.adornment = kThemeAdornmentNone;
 270
 271             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 272
 273         }
 274
 275 #if wxMAC_USE_CORE_GRAPHICS
 276 #else
 277         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 278 #endif
 279     }
 280 }
 281
 282 void wxRendererMac::DrawSplitterSash( wxWindow *win,
 283     wxDC& dc,
 284     const wxSize& size,
 285     wxCoord position,
 286     wxOrientation orient,
 287     int WXUNUSED(flags) )
 288 {
 289     bool hasMetal = win->MacGetTopLevelWindow()->MacGetMetalAppearance();
 290     SInt32 height;
 291     GetThemeMetric( kThemeMetricSmallPaneSplitterHeight, &height );
 292     HIRect splitterRect;
 293     if (orient == wxVERTICAL)
 294         splitterRect = CGRectMake( position, 0, height, size.y );
 295     else
 296         splitterRect = CGRectMake( 0, position, size.x, height );
 297
 298 #if !wxMAC_USE_CORE_GRAPHICS
 299     HIViewConvertRect(
 300         &splitterRect,
 301         (HIViewRef) win->GetHandle(),
 302         (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 303 #endif
 304
 305     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
 306     // strange redraw errors occur if we don't do this
 307
 308     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 309     {
 310         Rect r =
 311         {
 312             (short) splitterRect.origin.y,
 313             (short) splitterRect.origin.x,
 314             (short) (splitterRect.origin.y + splitterRect.size.height),
 315             (short) (splitterRect.origin.x + splitterRect.size.width)
 316         };
 317
 318         RgnHandle updateRgn = NewRgn();
 319         RectRgn( updateRgn, &r );
 320         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 321         DisposeRgn( updateRgn );
 322     }
 323     else
 324     {
 325         CGContextRef cgContext;
 326
 327 #if wxMAC_USE_CORE_GRAPHICS
 328         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 329 #else
 330         Rect bounds;
 331         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 332         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 333         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 334         CGContextScaleCTM( cgContext, 1, -1 );
 335 #endif
 336
 337         HIThemeSplitterDrawInfo drawInfo;
 338         drawInfo.version = 0;
 339         drawInfo.state = kThemeStateActive;
 340         drawInfo.adornment = hasMetal ? kHIThemeSplitterAdornmentMetal : kHIThemeSplitterAdornmentNone;
 341         HIThemeDrawPaneSplitter( &splitterRect, &drawInfo, cgContext, kHIThemeOrientationNormal );
 342
 343 #if wxMAC_USE_CORE_GRAPHICS
 344 #else
 345         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 346 #endif
 347     }
 348 }
 349
 350 void
 351 wxRendererMac::DrawItemSelectionRect(wxWindow *win,
 352                                      wxDC& dc,
 353                                      const wxRect& rect,
 354                                      int flags )
 355 {
 356     RGBColor selColor;
 357     if (flags & wxCONTROL_SELECTED)
 358     {
 359         if (flags & wxCONTROL_FOCUSED)
 360             GetThemeBrushAsColor(kThemeBrushAlternatePrimaryHighlightColor, 32, true, &selColor);
 361         else
 362             GetThemeBrushAsColor(kThemeBrushSecondaryHighlightColor, 32, true, &selColor);
 363     }
 364
 365     wxBrush selBrush = wxBrush( wxColour( selColor.red, selColor.green, selColor.blue ), wxSOLID );
 366
 367     dc.SetPen( *wxTRANSPARENT_PEN );
 368     dc.SetBrush( selBrush );
 369     dc.DrawRectangle( rect );
 370 }