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 private:
  61     // the tree buttons
  62     wxBitmap m_bmpTreeExpanded;
  63     wxBitmap m_bmpTreeCollapsed;
  64 };
  65
  66 // ============================================================================
  67 // implementation
  68 // ============================================================================
  69
  70 // static
  71 wxRendererNative& wxRendererNative::GetDefault()
  72 {
  73     static wxRendererMac s_rendererMac;
  74
  75     return s_rendererMac;
  76 }
  77
  78 void wxRendererMac::DrawHeaderButton( wxWindow *win,
  79     wxDC& dc,
  80     const wxRect& rect,
  81     int flags,
  82     wxHeaderSortIconType sortArrow,
  83     wxHeaderButtonParams* params )
  84 {
  85 #if !wxMAC_USE_CORE_GRAPHICS
  86     const wxCoord x = dc.LogicalToDeviceX(rect.x);
  87     const wxCoord y = dc.LogicalToDeviceY(rect.y);
  88     const wxCoord w = dc.LogicalToDeviceXRel(rect.width);
  89     const wxCoord h = dc.LogicalToDeviceYRel(rect.height);
  90 #else
  91     // now the wxGCDC is using native transformations
  92     const wxCoord x = rect.x;
  93     const wxCoord y = rect.y;
  94     const wxCoord w = rect.width;
  95     const wxCoord h = rect.height;
  96 #endif
  97
  98     dc.SetBrush( *wxTRANSPARENT_BRUSH );
  99
 100     HIRect headerRect = CGRectMake( x, y, w, h );
 101     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 102     {
 103         Rect r =
 104         {
 105             (short) headerRect.origin.y, (short) headerRect.origin.x,
 106             (short) (headerRect.origin.y + headerRect.size.height),
 107             (short) (headerRect.origin.x + headerRect.size.width)
 108         };
 109
 110         RgnHandle updateRgn = NewRgn();
 111         RectRgn( updateRgn, &r );
 112         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 113         DisposeRgn( updateRgn );
 114     }
 115     else
 116     {
 117         CGContextRef cgContext;
 118
 119 #if wxMAC_USE_CORE_GRAPHICS
 120         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 121 #else
 122         Rect bounds;
 123
 124         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 125         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 126
 127         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 128         CGContextScaleCTM( cgContext, 1, -1 );
 129
 130         HIShapeReplacePathInCGContext( HIShapeCreateWithQDRgn( (RgnHandle) dc.m_macCurrentClipRgn ), cgContext );
 131         CGContextClip( cgContext );
 132         HIViewConvertRect( &headerRect, (HIViewRef) win->GetHandle(), (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 133 #endif
 134
 135         {
 136             HIThemeButtonDrawInfo drawInfo;
 137             HIRect labelRect;
 138
 139             memset( &drawInfo, 0, sizeof(drawInfo) );
 140             drawInfo.version = 0;
 141             drawInfo.kind = kThemeListHeaderButton;
 142             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 143             drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 144             drawInfo.adornment = kThemeAdornmentNone;
 145
 146             // The down arrow is drawn automatically, change it to an up arrow if needed.
 147             if ( sortArrow == wxHDR_SORT_ICON_UP )
 148                 drawInfo.adornment = kThemeAdornmentHeaderButtonSortUp;
 149
 150             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 151
 152             // If we don't want any arrows we need to draw over the one already there
 153             if ( (flags & wxCONTROL_SELECTED) && (sortArrow == wxHDR_SORT_ICON_NONE) )
 154             {
 155                 // clip to the header rectangle
 156                 CGContextSaveGState( cgContext );
 157                 CGContextClipToRect( cgContext, headerRect );
 158                 // but draw bigger than that so the arrow will get clipped off
 159                 headerRect.size.width += 25;
 160                 HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 161                 CGContextRestoreGState( cgContext );
 162             }
 163         }
 164
 165 #if wxMAC_USE_CORE_GRAPHICS
 166 #else
 167         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 168 #endif
 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     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 #if !wxMAC_USE_CORE_GRAPHICS
 204     const wxCoord x = dc.LogicalToDeviceX(rect.x);
 205     const wxCoord y = dc.LogicalToDeviceY(rect.y);
 206     const wxCoord w = dc.LogicalToDeviceXRel(rect.width);
 207     const wxCoord h = dc.LogicalToDeviceYRel(rect.height);
 208 #else
 209     // now the wxGCDC is using native transformations
 210     const wxCoord x = rect.x;
 211     const wxCoord y = rect.y;
 212     const wxCoord w = rect.width;
 213     const wxCoord h = rect.height;
 214 #endif
 215
 216     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 217
 218     HIRect headerRect = CGRectMake( x, y, w, h );
 219     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 220     {
 221         Rect r =
 222     {
 223             (short) headerRect.origin.y, (short) headerRect.origin.x,
 224             (short) (headerRect.origin.y + headerRect.size.height),
 225             (short) (headerRect.origin.x + headerRect.size.width)
 226         };
 227
 228         RgnHandle updateRgn = NewRgn();
 229         RectRgn( updateRgn, &r );
 230         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 231         DisposeRgn( updateRgn );
 232     }
 233     else
 234     {
 235         CGContextRef cgContext;
 236
 237 #if wxMAC_USE_CORE_GRAPHICS
 238         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 239 #else
 240         Rect bounds;
 241
 242         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 243         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 244
 245         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 246         CGContextScaleCTM( cgContext, 1, -1 );
 247
 248         HIShapeReplacePathInCGContext( HIShapeCreateWithQDRgn( (RgnHandle) dc.m_macCurrentClipRgn ), cgContext );
 249         CGContextClip( cgContext );
 250         HIViewConvertRect( &headerRect, (HIViewRef) win->GetHandle(), (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 251 #endif
 252
 253     {
 254             HIThemeButtonDrawInfo drawInfo;
 255             HIRect labelRect;
 256
 257             memset( &drawInfo, 0, sizeof(drawInfo) );
 258             drawInfo.version = 0;
 259             drawInfo.kind = kThemeDisclosureButton;
 260             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 261             // Apple mailing list posts say to use the arrow adornment constants, but those don't work.
 262             // We need to set the value using the 'old' DrawThemeButton constants instead.
 263             drawInfo.value = (flags & wxCONTROL_EXPANDED) ? kThemeDisclosureDown : kThemeDisclosureRight;
 264             drawInfo.adornment = kThemeAdornmentNone;
 265
 266             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 267
 268         }
 269
 270 #if wxMAC_USE_CORE_GRAPHICS
 271 #else
 272         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 273 #endif
 274     }
 275 }
 276
 277 void wxRendererMac::DrawSplitterSash( wxWindow *win,
 278     wxDC& dc,
 279     const wxSize& size,
 280     wxCoord position,
 281     wxOrientation orient,
 282     int WXUNUSED(flags) )
 283 {
 284     bool hasMetal = win->MacGetTopLevelWindow()->MacGetMetalAppearance();
 285     SInt32 height;
 286     GetThemeMetric( kThemeMetricSmallPaneSplitterHeight, &height );
 287     HIRect splitterRect;
 288     if (orient == wxVERTICAL)
 289         splitterRect = CGRectMake( position, 0, height, size.y );
 290     else
 291         splitterRect = CGRectMake( 0, position, size.x, height );
 292
 293 #if !wxMAC_USE_CORE_GRAPHICS
 294     HIViewConvertRect(
 295         &splitterRect,
 296         (HIViewRef) win->GetHandle(),
 297         (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 298 #endif
 299
 300     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
 301     // strange redraw errors occur if we don't do this
 302
 303     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 304     {
 305         Rect r =
 306         {
 307             (short) splitterRect.origin.y,
 308             (short) splitterRect.origin.x,
 309             (short) (splitterRect.origin.y + splitterRect.size.height),
 310             (short) (splitterRect.origin.x + splitterRect.size.width)
 311         };
 312
 313         RgnHandle updateRgn = NewRgn();
 314         RectRgn( updateRgn, &r );
 315         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 316         DisposeRgn( updateRgn );
 317     }
 318     else
 319     {
 320         CGContextRef cgContext;
 321
 322 #if wxMAC_USE_CORE_GRAPHICS
 323         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 324 #else
 325         Rect bounds;
 326         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 327         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 328         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 329         CGContextScaleCTM( cgContext, 1, -1 );
 330 #endif
 331
 332         HIThemeSplitterDrawInfo drawInfo;
 333         drawInfo.version = 0;
 334         drawInfo.state = kThemeStateActive;
 335         drawInfo.adornment = hasMetal ? kHIThemeSplitterAdornmentMetal : kHIThemeSplitterAdornmentNone;
 336         HIThemeDrawPaneSplitter( &splitterRect, &drawInfo, cgContext, kHIThemeOrientationNormal );
 337
 338 #if wxMAC_USE_CORE_GRAPHICS
 339 #else
 340         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 341 #endif
 342     }
 343 }