src/osx/cocoa/gauge.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/gauge.mm
   3 // Purpose:     wxGauge class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_GAUGE
  15
  16 #include "wx/gauge.h"
  17
  18 #include "wx/osx/private.h"
  19
  20 @interface wxNSProgressIndicator : NSProgressIndicator
  21 {
  22 }
  23
  24 @end
  25
  26 @implementation wxNSProgressIndicator
  27
  28 + (void)initialize
  29 {
  30     static BOOL initialized = NO;
  31     if (!initialized)
  32     {
  33         initialized = YES;
  34         wxOSXCocoaClassAddWXMethods( self );
  35     }
  36 }
  37
  38 @end
  39
  40 @interface NSView(PossibleSizeMethods)
  41 - (NSControlSize)controlSize;
  42 @end
  43
  44 namespace
  45 {
  46
  47 class wxOSXGaugeCocoaImpl : public wxWidgetCocoaImpl
  48 {
  49 public :
  50     wxOSXGaugeCocoaImpl( wxWindowMac* peer, WXWidget w) : wxWidgetCocoaImpl( peer, w )
  51     {
  52     }
  53
  54     void SetMaximum(wxInt32 v)
  55     {
  56         SetDeterminateMode();
  57         wxWidgetCocoaImpl::SetMaximum( v ) ;
  58     }
  59
  60     void SetValue(wxInt32 v)
  61     {
  62         SetDeterminateMode();
  63         wxWidgetCocoaImpl::SetValue( v ) ;
  64     }
  65
  66     void PulseGauge()
  67     {
  68         if ( ![(wxNSProgressIndicator*)m_osxView isIndeterminate] )
  69         {
  70             [(wxNSProgressIndicator*)m_osxView setIndeterminate:YES];
  71             [(wxNSProgressIndicator*)m_osxView startAnimation:nil];
  72         }
  73     }
  74
  75     void GetLayoutInset(int &left , int &top , int &right, int &bottom) const
  76     {
  77         left = top = right = bottom = 0;
  78         NSControlSize size = [(wxNSProgressIndicator*)m_osxView controlSize];
  79
  80         switch( size )
  81         {
  82             case NSRegularControlSize:
  83                 left = right = 2;
  84                 top = 0;
  85                 bottom = 4;
  86                 break;
  87             case NSMiniControlSize:
  88             case NSSmallControlSize:
  89                 left = right = 1;
  90                 top = 0;
  91                 bottom = 2;
  92                 break;
  93         }
  94     }
  95 protected:
  96     void SetDeterminateMode()
  97     {
  98        // switch back to determinate mode if necessary
  99         if ( [(wxNSProgressIndicator*)m_osxView isIndeterminate]  )
 100         {
 101             [(wxNSProgressIndicator*)m_osxView stopAnimation:nil];
 102             [(wxNSProgressIndicator*)m_osxView setIndeterminate:NO];
 103         }
 104     }
 105 };
 106
 107 } // anonymous namespace
 108
 109 wxWidgetImplType* wxWidgetImpl::CreateGauge( wxWindowMac* wxpeer,
 110                                     wxWindowMac* WXUNUSED(parent),
 111                                     wxWindowID WXUNUSED(id),
 112                                     wxInt32 value,
 113                                     wxInt32 minimum,
 114                                     wxInt32 maximum,
 115                                     const wxPoint& pos,
 116                                     const wxSize& size,
 117                                     long WXUNUSED(style),
 118                                     long WXUNUSED(extraStyle))
 119 {
 120     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
 121     wxNSProgressIndicator* v = [[wxNSProgressIndicator alloc] initWithFrame:r];
 122
 123     [v setMinValue: minimum];
 124     [v setMaxValue: maximum];
 125     [v setIndeterminate:FALSE];
 126     [v setDoubleValue: (double) value];
 127     wxWidgetCocoaImpl* c = new wxOSXGaugeCocoaImpl( wxpeer, v );
 128     return c;
 129 }
 130
 131 #endif // wxUSE_GAUGE
 132