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