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     const wxCoord x = dc.LogicalToDeviceX(rect.x /*- 1*/);
  86     const wxCoord y = dc.LogicalToDeviceY(rect.y /*- 1*/);
  87     const wxCoord w = dc.LogicalToDeviceXRel(rect.width);
  88     const wxCoord h = dc.LogicalToDeviceYRel(rect.height);
  89
  90     dc.SetBrush( *wxTRANSPARENT_BRUSH );
  91
  92     HIRect headerRect = CGRectMake( x, y, w, h );
  93     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
  94     {
  95         Rect r =
  96         {
  97             (short) headerRect.origin.y, (short) headerRect.origin.x,
  98             (short) (headerRect.origin.y + headerRect.size.height),
  99             (short) (headerRect.origin.x + headerRect.size.width)
 100         };
 101
 102         RgnHandle updateRgn = NewRgn();
 103         RectRgn( updateRgn, &r );
 104         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 105         DisposeRgn( updateRgn );
 106     }
 107     else
 108     {
 109         CGContextRef cgContext;
 110
 111 #if wxMAC_USE_CORE_GRAPHICS
 112         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 113 #else
 114         Rect bounds;
 115
 116         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 117         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 118
 119         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 120         CGContextScaleCTM( cgContext, 1, -1 );
 121
 122         HIShapeReplacePathInCGContext( HIShapeCreateWithQDRgn( (RgnHandle) dc.m_macCurrentClipRgn ), cgContext );
 123         CGContextClip( cgContext );
 124         HIViewConvertRect( &headerRect, (HIViewRef) win->GetHandle(), (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 125 #endif
 126
 127         {
 128             HIThemeButtonDrawInfo drawInfo;
 129             HIRect labelRect;
 130
 131             memset( &drawInfo, 0, sizeof(drawInfo) );
 132             drawInfo.version = 0;
 133             drawInfo.kind = kThemeListHeaderButton;
 134             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 135             drawInfo.value = (flags & wxCONTROL_SELECTED) ? kThemeButtonOn : kThemeButtonOff;
 136             drawInfo.adornment = kThemeAdornmentNone;
 137
 138             // The down arrow is drawn automatically, change it to an up arrow if needed.
 139             if ( sortArrow == wxHDR_SORT_ICON_UP )
 140                 drawInfo.adornment = kThemeAdornmentHeaderButtonSortUp;
 141
 142             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 143
 144             // If we don't want any arrows we need to draw over the one already there
 145             if ( (flags & wxCONTROL_SELECTED) && (sortArrow == wxHDR_SORT_ICON_NONE) )
 146             {
 147                 // clip to the header rectangle
 148                 CGContextSaveGState( cgContext );
 149                 CGContextClipToRect( cgContext, headerRect );
 150                 // but draw bigger than that so the arrow will get clipped off
 151                 headerRect.size.width += 25;
 152                 HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 153                 CGContextRestoreGState( cgContext );
 154             }
 155         }
 156
 157 #if wxMAC_USE_CORE_GRAPHICS
 158 #else
 159         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 160 #endif
 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     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     const wxCoord x = dc.LogicalToDeviceX(rect.x /*- 1*/);
 196     const wxCoord y = dc.LogicalToDeviceY(rect.y /*- 1*/);
 197     const wxCoord w = dc.LogicalToDeviceXRel(rect.width);
 198     const wxCoord h = dc.LogicalToDeviceYRel(rect.height);
 199
 200     dc.SetBrush( *wxTRANSPARENT_BRUSH );
 201
 202     HIRect headerRect = CGRectMake( x, y, w, h );
 203     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 204     {
 205         Rect r =
 206     {
 207             (short) headerRect.origin.y, (short) headerRect.origin.x,
 208             (short) (headerRect.origin.y + headerRect.size.height),
 209             (short) (headerRect.origin.x + headerRect.size.width)
 210         };
 211
 212         RgnHandle updateRgn = NewRgn();
 213         RectRgn( updateRgn, &r );
 214         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 215         DisposeRgn( updateRgn );
 216     }
 217     else
 218     {
 219         CGContextRef cgContext;
 220
 221 #if wxMAC_USE_CORE_GRAPHICS
 222         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 223 #else
 224         Rect bounds;
 225
 226         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 227         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 228
 229         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 230         CGContextScaleCTM( cgContext, 1, -1 );
 231
 232         HIShapeReplacePathInCGContext( HIShapeCreateWithQDRgn( (RgnHandle) dc.m_macCurrentClipRgn ), cgContext );
 233         CGContextClip( cgContext );
 234         HIViewConvertRect( &headerRect, (HIViewRef) win->GetHandle(), (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 235 #endif
 236
 237     {
 238             HIThemeButtonDrawInfo drawInfo;
 239             HIRect labelRect;
 240
 241             memset( &drawInfo, 0, sizeof(drawInfo) );
 242             drawInfo.version = 0;
 243             drawInfo.kind = kThemeDisclosureButton;
 244             drawInfo.state = (flags & wxCONTROL_DISABLED) ? kThemeStateInactive : kThemeStateActive;
 245             // Apple mailing list posts say to use the arrow adornment constants, but those don't work.
 246             // We need to set the value using the 'old' DrawThemeButton constants instead.
 247             drawInfo.value = (flags & wxCONTROL_EXPANDED) ? kThemeDisclosureDown : kThemeDisclosureRight;
 248             drawInfo.adornment = kThemeAdornmentNone;
 249
 250             HIThemeDrawButton( &headerRect, &drawInfo, cgContext, kHIThemeOrientationNormal, &labelRect );
 251
 252         }
 253
 254 #if wxMAC_USE_CORE_GRAPHICS
 255 #else
 256         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 257 #endif
 258     }
 259 }
 260
 261 void wxRendererMac::DrawSplitterSash( wxWindow *win,
 262     wxDC& dc,
 263     const wxSize& size,
 264     wxCoord position,
 265     wxOrientation orient,
 266     int WXUNUSED(flags) )
 267 {
 268     bool hasMetal = win->MacGetTopLevelWindow()->MacGetMetalAppearance();
 269     SInt32 height;
 270     GetThemeMetric( kThemeMetricSmallPaneSplitterHeight, &height );
 271     HIRect splitterRect;
 272     if (orient == wxVERTICAL)
 273         splitterRect = CGRectMake( position, 0, height, size.y );
 274     else
 275         splitterRect = CGRectMake( 0, position, size.x, height );
 276
 277 #if !wxMAC_USE_CORE_GRAPHICS
 278     HIViewConvertRect(
 279         &splitterRect,
 280         (HIViewRef) win->GetHandle(),
 281         (HIViewRef) win->MacGetTopLevelWindow()->GetHandle() );
 282 #endif
 283
 284     // under compositing we should only draw when called by the OS, otherwise just issue a redraw command
 285     // strange redraw errors occur if we don't do this
 286
 287     if ( !dc.IsKindOf( CLASSINFO( wxPaintDC ) ) )
 288     {
 289         Rect r =
 290         {
 291             (short) splitterRect.origin.y,
 292             (short) splitterRect.origin.x,
 293             (short) (splitterRect.origin.y + splitterRect.size.height),
 294             (short) (splitterRect.origin.x + splitterRect.size.width)
 295         };
 296
 297         RgnHandle updateRgn = NewRgn();
 298         RectRgn( updateRgn, &r );
 299         HIViewSetNeedsDisplayInRegion( (HIViewRef) win->GetHandle(), updateRgn, true );
 300         DisposeRgn( updateRgn );
 301     }
 302     else
 303     {
 304         CGContextRef cgContext;
 305
 306 #if wxMAC_USE_CORE_GRAPHICS
 307         cgContext = (CGContextRef) dc.GetGraphicsContext()->GetNativeContext();
 308 #else
 309         Rect bounds;
 310         GetPortBounds( (CGrafPtr) dc.m_macPort, &bounds );
 311         QDBeginCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 312         CGContextTranslateCTM( cgContext, 0, bounds.bottom - bounds.top );
 313         CGContextScaleCTM( cgContext, 1, -1 );
 314 #endif
 315
 316         HIThemeSplitterDrawInfo drawInfo;
 317         drawInfo.version = 0;
 318         drawInfo.state = kThemeStateActive;
 319         drawInfo.adornment = hasMetal ? kHIThemeSplitterAdornmentMetal : kHIThemeSplitterAdornmentNone;
 320         HIThemeDrawPaneSplitter( &splitterRect, &drawInfo, cgContext, kHIThemeOrientationNormal );
 321
 322 #if wxMAC_USE_CORE_GRAPHICS
 323 #else
 324         QDEndCGContext( (CGrafPtr) dc.m_macPort, &cgContext );
 325 #endif
 326     }
 327 }