src/osx/cocoa/slider.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/slider.mm
   3 // Purpose:     wxSlider
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: slider.cpp 54129 2008-06-11 19:30:52Z SC $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_SLIDER
  15
  16 #include "wx/slider.h"
  17 #include "wx/osx/private.h"
  18
  19 @interface wxNSSlider : NSSlider
  20 {
  21     wxWidgetCocoaImpl* impl;
  22 }
  23
  24 - (void)setImplementation: (wxWidgetCocoaImpl *) theImplementation;
  25 - (wxWidgetCocoaImpl*) implementation;
  26 - (BOOL) isFlipped;
  27  - (void) clickedAction: (id) sender;
  28
  29 @end
  30
  31 @implementation wxNSSlider
  32
  33 - (id)initWithFrame:(NSRect)frame
  34 {
  35     [super initWithFrame:frame];
  36     impl = NULL;
  37     [self setTarget: self];
  38     [self setAction: @selector(clickedAction:)];
  39     return self;
  40 }
  41
  42 - (void) clickedAction: (id) sender
  43 {
  44     if ( impl )
  45     {
  46         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
  47         if ( wxpeer )
  48             wxpeer->HandleClicked(0);
  49     }
  50 }
  51
  52 - (void)setImplementation: (wxWidgetCocoaImpl *) theImplementation
  53 {
  54     impl = theImplementation;
  55 }
  56
  57 - (wxWidgetCocoaImpl*) implementation
  58 {
  59     return impl;
  60 }
  61
  62 - (BOOL) isFlipped
  63 {
  64     return YES;
  65 }
  66
  67 @end
  68
  69 wxWidgetImplType* wxWidgetImpl::CreateSlider( wxWindowMac* wxpeer,
  70                                     wxWindowMac* parent,
  71                                     wxWindowID id,
  72                                     wxInt32 value,
  73                                     wxInt32 minimum,
  74                                     wxInt32 maximum,
  75                                     const wxPoint& pos,
  76                                     const wxSize& size,
  77                                     long style,
  78                                     long extraStyle)
  79 {
  80     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
  81     wxNSSlider* v = [[wxNSSlider alloc] initWithFrame:r];
  82
  83     int tickMarks = 0;
  84     if ( style & wxSL_AUTOTICKS )
  85     {
  86         tickMarks = (maximum - minimum) + 1; // +1 for the 0 value
  87
  88         // keep the number of tickmarks from becoming unwieldly, therefore below it is ok to cast
  89         // it to a UInt16
  90         while (tickMarks > 20)
  91             tickMarks /= 5;
  92
  93         [v setNumberOfTickMarks:tickMarks];
  94         [v setTickMarkPosition:NSTickMarkBelow];
  95     }
  96
  97     [v setMinValue: minimum];
  98     [v setMaxValue: maximum];
  99     [v setFloatValue: (double) value];
 100     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v );
 101     [v setImplementation:c];
 102     return c;
 103 }
 104
 105 #endif // wxUSE_SLIDER