src/cocoa/gauge.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/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:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_GAUGE
  15
  16 #include "wx/gauge.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/app.h"
  20     #include "wx/log.h"
  21 #endif //WX_PRECOMP
  22
  23 #include "wx/cocoa/autorelease.h"
  24
  25 #import <AppKit/NSProgressIndicator.h>
  26 #import <Foundation/NSException.h>
  27
  28 #include <math.h>
  29
  30 BEGIN_EVENT_TABLE(wxGauge, wxGaugeBase)
  31 END_EVENT_TABLE()
  32 // WX_IMPLEMENT_COCOA_OWNER(wxGauge,NSProgressIndicator,NSView,NSView)
  33
  34 bool wxGauge::Create(wxWindow *parent, wxWindowID winid, int range,
  35             const wxPoint& pos, const wxSize& size, long style,
  36             const wxValidator& validator, const wxString& name)
  37 {
  38     // NOTE: wxGA_SMOOTH flag is simply ignored (gauges are ALWAYS smooth)
  39     if(!CreateControl(parent,winid,pos,size,style,validator,name))
  40         return false;
  41     SetNSView([[NSProgressIndicator alloc] initWithFrame: MakeDefaultNSRect(size)]);
  42     [m_cocoaNSView release];
  43
  44     // TODO: DoGetBestSize is likely totally wrong for vertical gauges but
  45     // this actually makes the widgets sample work so it's better than nothing.
  46     if(style & wxGA_VERTICAL)
  47     {
  48         wxLogDebug(wxT("wxGA_VERTICAL may not work correctly.  See src/cocoa/gauge.mm"));
  49         [m_cocoaNSView setBoundsRotation:-90.0];
  50     }
  51
  52     [(NSProgressIndicator*)m_cocoaNSView setMaxValue:range];
  53     [(NSProgressIndicator*)m_cocoaNSView setIndeterminate:NO];
  54
  55     if(m_parent)
  56         m_parent->CocoaAddChild(this);
  57     SetInitialFrameRect(pos,size);
  58
  59     return true;
  60 }
  61
  62 wxGauge::~wxGauge()
  63 {
  64 }
  65
  66 int wxGauge::GetValue() const
  67 {
  68     return (int)[(NSProgressIndicator*)m_cocoaNSView doubleValue];
  69 }
  70
  71 void wxGauge::SetValue(int value)
  72 {
  73     [(NSProgressIndicator*)m_cocoaNSView setDoubleValue:value];
  74 }
  75
  76 int wxGauge::GetRange() const
  77 {
  78     return (int)[(NSProgressIndicator*)m_cocoaNSView maxValue];
  79 }
  80
  81 void wxGauge::SetRange(int maxValue)
  82 {
  83     [(NSProgressIndicator*)m_cocoaNSView setMinValue:0.0];
  84     [(NSProgressIndicator*)m_cocoaNSView setMaxValue:maxValue];
  85 }
  86
  87 // NSProgressIndicator is not an NSControl but does respond to
  88 // sizeToFit on OS X >= 10.2
  89 wxSize wxGauge::DoGetBestSize() const
  90 {
  91     wxAutoNSAutoreleasePool pool;
  92     wxASSERT(GetNSProgressIndicator());
  93     NSRect storedRect = [m_cocoaNSView frame];
  94     bool didFit = false;
  95 NS_DURING
  96     [GetNSProgressIndicator() sizeToFit];
  97     didFit = true;
  98 NS_HANDLER
  99     // TODO: if anything other than method not implemented, re-raise
 100 NS_ENDHANDLER
 101     if(didFit)
 102     {
 103         NSRect cocoaRect = [m_cocoaNSView frame];
 104         wxSize size((int)ceil(cocoaRect.size.width),(int)ceil(cocoaRect.size.height));
 105         [m_cocoaNSView setFrame: storedRect];
 106         wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from sizeToFit"),this,size.x,size.y);
 107         return /*wxConstCast(this, wxControl)->m_bestSize =*/ size;
 108     }
 109     // Cocoa can't tell us the size
 110     float height = NSProgressIndicatorPreferredAquaThickness;
 111     return wxSize((int)(height*2),(int)height);
 112 }
 113
 114 #endif // wxUSE_GAUGE