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     // NOTE: wxGA_SMOOTH flag is simply ignored (gauges are ALWAYS smooth)
  38     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  39         return false;
  40     SetNSView([[NSProgressIndicator alloc] initWithFrame: MakeDefaultNSRect(size)]);
  41     [m_cocoaNSView release];
  42
  43     // TODO: DoGetBestSize is likely totally wrong for vertical gauges but
  44     // this actually makes the widgets sample work so it's better than nothing.
  45     if(style & wxGA_VERTICAL)
  46     {
  47         wxLogDebug(wxT("wxGA_VERTICAL may not work correctly.  See src/cocoa/gauge.mm"));
  48         [m_cocoaNSView setBoundsRotation:-90.0];
  49     }
  50
  51     [(NSProgressIndicator*)m_cocoaNSView setMaxValue:range];
  52     [(NSProgressIndicator*)m_cocoaNSView setIndeterminate:NO];
  53
  54     if(m_parent)
  55         m_parent->CocoaAddChild(this);
  56     SetInitialFrameRect(pos,size);
  57
  58     return true;
  59 }
  60
  61 wxGauge::~wxGauge()
  62 {
  63 }
  64
  65 int wxGauge::GetValue() const
  66 {
  67     return (int)[(NSProgressIndicator*)m_cocoaNSView doubleValue];
  68 }
  69
  70 void wxGauge::SetValue(int value)
  71 {
  72     [(NSProgressIndicator*)m_cocoaNSView setDoubleValue:value];
  73 }
  74
  75 int wxGauge::GetRange() const
  76 {
  77     return (int)[(NSProgressIndicator*)m_cocoaNSView maxValue];
  78 }
  79
  80 void wxGauge::SetRange(int maxValue)
  81 {
  82     [(NSProgressIndicator*)m_cocoaNSView setMinValue:0.0];
  83     [(NSProgressIndicator*)m_cocoaNSView setMaxValue:maxValue];
  84 }
  85
  86 // NSProgressIndicator is not an NSControl but does respond to
  87 // sizeToFit on OS X >= 10.2
  88 wxSize wxGauge::DoGetBestSize() const
  89 {
  90     wxAutoNSAutoreleasePool pool;
  91     wxASSERT(GetNSProgressIndicator());
  92     NSRect storedRect = [m_cocoaNSView frame];
  93     bool didFit = false;
  94 NS_DURING
  95     [GetNSProgressIndicator() sizeToFit];
  96     didFit = true;
  97 NS_HANDLER
  98     // TODO: if anything other than method not implemented, re-raise
  99 NS_ENDHANDLER
 100     if(didFit)
 101     {
 102         NSRect cocoaRect = [m_cocoaNSView frame];
 103         wxSize size((int)ceil(cocoaRect.size.width),(int)ceil(cocoaRect.size.height));
 104         [m_cocoaNSView setFrame: storedRect];
 105         wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from sizeToFit"),this,size.x,size.y);
 106         return /*wxConstCast(this, wxControl)->m_bestSize =*/ size;
 107     }
 108     // Cocoa can't tell us the size
 109     float height = NSProgressIndicatorPreferredAquaThickness;
 110     return wxSize((int)(height*2),(int)height);
 111 }
 112
 113 #endif // wxUSE_GAUGE