src/cocoa/gauge.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cocoa/gauge.mm
   3 // Purpose:     wxGauge
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/07/15
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13 #if wxUSE_GAUGE
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/app.h"
  17     #include "wx/gauge.h"
  18     #include "wx/log.h"
  19 #endif //WX_PRECOMP
  20
  21 #include "wx/cocoa/autorelease.h"
  22
  23 #import <AppKit/NSProgressIndicator.h>
  24 #import <Foundation/NSException.h>
  25
  26 #include <math.h>
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxGauge, wxControl)
  29 BEGIN_EVENT_TABLE(wxGauge, wxGaugeBase)
  30 END_EVENT_TABLE()
  31 // WX_IMPLEMENT_COCOA_OWNER(wxGauge,NSProgressIndicator,NSView,NSView)
  32
  33 bool wxGauge::Create(wxWindow *parent, wxWindowID winid, int range,
  34             const wxPoint& pos, const wxSize& size, long style,
  35             const wxValidator& validator, const wxString& name)
  36 {
  37     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  38         return false;
  39     SetNSView([[NSProgressIndicator alloc] initWithFrame: MakeDefaultNSRect(size)]);
  40     [m_cocoaNSView release];
  41
  42     [(NSProgressIndicator*)m_cocoaNSView setMaxValue:range];
  43     [(NSProgressIndicator*)m_cocoaNSView setIndeterminate:NO];
  44
  45     if(m_parent)
  46         m_parent->CocoaAddChild(this);
  47     SetInitialFrameRect(pos,size);
  48
  49     return true;
  50 }
  51
  52 wxGauge::~wxGauge()
  53 {
  54 }
  55
  56 int wxGauge::GetValue() const
  57 {
  58     return (int)[(NSProgressIndicator*)m_cocoaNSView doubleValue];
  59 }
  60
  61 void wxGauge::SetValue(int value)
  62 {
  63     [(NSProgressIndicator*)m_cocoaNSView setDoubleValue:value];
  64 }
  65
  66 int wxGauge::GetRange() const
  67 {
  68     return (int)[(NSProgressIndicator*)m_cocoaNSView maxValue];
  69 }
  70
  71 void wxGauge::SetRange(int maxValue)
  72 {
  73     [(NSProgressIndicator*)m_cocoaNSView setMinValue:0.0];
  74     [(NSProgressIndicator*)m_cocoaNSView setMaxValue:maxValue];
  75 }
  76
  77 // NSProgressIndicator is not an NSControl but does respond to
  78 // sizeToFit on OS X >= 10.2
  79 wxSize wxGauge::DoGetBestSize() const
  80 {
  81     wxAutoNSAutoreleasePool pool;
  82     wxASSERT(GetNSProgressIndicator());
  83     NSRect storedRect = [m_cocoaNSView frame];
  84     bool didFit = false;
  85 NS_DURING
  86     [GetNSProgressIndicator() sizeToFit];
  87     didFit = true;
  88 NS_HANDLER
  89     // TODO: if anything other than method not implemented, re-raise
  90 NS_ENDHANDLER
  91     if(didFit)
  92     {
  93         NSRect cocoaRect = [m_cocoaNSView frame];
  94         wxSize size((int)ceilf(cocoaRect.size.width),(int)ceilf(cocoaRect.size.height));
  95         [m_cocoaNSView setFrame: storedRect];
  96         wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from sizeToFit"),this,size.x,size.y);
  97         return /*wxConstCast(this, wxControl)->m_bestSize =*/ size;
  98     }
  99     // Cocoa can't tell us the size
 100     float height = NSProgressIndicatorPreferredAquaThickness;
 101     return wxSize((int)(height*2),(int)height);
 102 }
 103
 104 #endif // wxUSE_GAUGE