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     WXCOCOAIMPL_COMMON_MEMBERS
  22 }
  23
  24 WXCOCOAIMPL_COMMON_INTERFACE
  25
  26  - (void) clickedAction: (id) sender;
  27
  28 @end
  29
  30 @implementation wxNSSlider
  31
  32 - (id)initWithFrame:(NSRect)frame
  33 {
  34     [super initWithFrame:frame];
  35     impl = NULL;
  36     [self setTarget: self];
  37     [self setAction: @selector(clickedAction:)];
  38     return self;
  39 }
  40
  41 - (void) clickedAction: (id) sender
  42 {
  43     if ( impl )
  44     {
  45         wxWindow* wxpeer = (wxWindow*) impl->GetWXPeer();
  46         if ( wxpeer )
  47             wxpeer->HandleClicked(0);
  48     }
  49 }
  50
  51 WXCOCOAIMPL_COMMON_IMPLEMENTATION
  52
  53 @end
  54
  55 wxWidgetImplType* wxWidgetImpl::CreateSlider( wxWindowMac* wxpeer,
  56                                     wxWindowMac* parent,
  57                                     wxWindowID id,
  58                                     wxInt32 value,
  59                                     wxInt32 minimum,
  60                                     wxInt32 maximum,
  61                                     const wxPoint& pos,
  62                                     const wxSize& size,
  63                                     long style,
  64                                     long extraStyle)
  65 {
  66     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
  67     wxNSSlider* v = [[wxNSSlider alloc] initWithFrame:r];
  68
  69     int tickMarks = 0;
  70     if ( style & wxSL_AUTOTICKS )
  71     {
  72         tickMarks = (maximum - minimum) + 1; // +1 for the 0 value
  73
  74         // keep the number of tickmarks from becoming unwieldly, therefore below it is ok to cast
  75         // it to a UInt16
  76         while (tickMarks > 20)
  77             tickMarks /= 5;
  78
  79         [v setNumberOfTickMarks:tickMarks];
  80         [v setTickMarkPosition:NSTickMarkBelow];
  81     }
  82
  83     [v setMinValue: minimum];
  84     [v setMaxValue: maximum];
  85     [v setFloatValue: (double) value];
  86     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v );
  87     [v setImplementation:c];
  88     return c;
  89 }
  90
  91 #endif // wxUSE_SLIDER