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     //flag checking
  38     wxASSERT_MSG( !(style & wxGA_HORIZONTAL), wxT("Horizontal gauge not supported on cocoa"));//*
  39     wxASSERT_MSG( !(style & wxGA_SMOOTH), wxT("Smooth gauge not supported on cocoa"));
  40     //* - GNUStep made isVertical and setVertical part of thier framework, but its specific to them
  41     //the way they do it is just handle that flag in drawRect.
  42
  43     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  44         return false;
  45     SetNSView([[NSProgressIndicator alloc] initWithFrame: MakeDefaultNSRect(size)]);
  46     [m_cocoaNSView release];
  47
  48     [(NSProgressIndicator*)m_cocoaNSView setMaxValue:range];
  49     [(NSProgressIndicator*)m_cocoaNSView setIndeterminate:NO];
  50
  51     if(m_parent)
  52         m_parent->CocoaAddChild(this);
  53     SetInitialFrameRect(pos,size);
  54
  55     return true;
  56 }
  57
  58 wxGauge::~wxGauge()
  59 {
  60 }
  61
  62 int wxGauge::GetValue() const
  63 {
  64     return (int)[(NSProgressIndicator*)m_cocoaNSView doubleValue];
  65 }
  66
  67 void wxGauge::SetValue(int value)
  68 {
  69     [(NSProgressIndicator*)m_cocoaNSView setDoubleValue:value];
  70 }
  71
  72 int wxGauge::GetRange() const
  73 {
  74     return (int)[(NSProgressIndicator*)m_cocoaNSView maxValue];
  75 }
  76
  77 void wxGauge::SetRange(int maxValue)
  78 {
  79     [(NSProgressIndicator*)m_cocoaNSView setMinValue:0.0];
  80     [(NSProgressIndicator*)m_cocoaNSView setMaxValue:maxValue];
  81 }
  82
  83 // NSProgressIndicator is not an NSControl but does respond to
  84 // sizeToFit on OS X >= 10.2
  85 wxSize wxGauge::DoGetBestSize() const
  86 {
  87     wxAutoNSAutoreleasePool pool;
  88     wxASSERT(GetNSProgressIndicator());
  89     NSRect storedRect = [m_cocoaNSView frame];
  90     bool didFit = false;
  91 NS_DURING
  92     [GetNSProgressIndicator() sizeToFit];
  93     didFit = true;
  94 NS_HANDLER
  95     // TODO: if anything other than method not implemented, re-raise
  96 NS_ENDHANDLER
  97     if(didFit)
  98     {
  99         NSRect cocoaRect = [m_cocoaNSView frame];
 100         wxSize size((int)ceil(cocoaRect.size.width),(int)ceil(cocoaRect.size.height));
 101         [m_cocoaNSView setFrame: storedRect];
 102         wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from sizeToFit"),this,size.x,size.y);
 103         return /*wxConstCast(this, wxControl)->m_bestSize =*/ size;
 104     }
 105     // Cocoa can't tell us the size
 106     float height = NSProgressIndicatorPreferredAquaThickness;
 107     return wxSize((int)(height*2),(int)height);
 108 }
 109
 110 #endif // wxUSE_GAUGE