1/////////////////////////////////////////////////////////////////////////////
2// Name:        src/cocoa/gauge.mm
3// Purpose:     wxGauge
4// Author:      David Elliott
5// Modified by:
6// Created:     2003/07/15
7// Copyright:   (c) 2003 David Elliott
8// Licence:     wxWindows licence
9/////////////////////////////////////////////////////////////////////////////
10
11#include "wx/wxprec.h"
12
13#if wxUSE_GAUGE
14
15#include "wx/gauge.h"
16
17#ifndef WX_PRECOMP
18    #include "wx/app.h"
19    #include "wx/log.h"
20#endif //WX_PRECOMP
21
22#include "wx/cocoa/autorelease.h"
23
24#import <AppKit/NSProgressIndicator.h>
25#import <Foundation/NSException.h>
26
27#include <math.h>
28
29BEGIN_EVENT_TABLE(wxGauge, wxGaugeBase)
30END_EVENT_TABLE()
31// WX_IMPLEMENT_COCOA_OWNER(wxGauge,NSProgressIndicator,NSView,NSView)
32
33bool 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
61wxGauge::~wxGauge()
62{
63}
64
65int wxGauge::GetValue() const
66{
67    return (int)[(NSProgressIndicator*)m_cocoaNSView doubleValue];
68}
69
70void wxGauge::SetValue(int value)
71{
72    [(NSProgressIndicator*)m_cocoaNSView setDoubleValue:value];
73}
74
75int wxGauge::GetRange() const
76{
77    return (int)[(NSProgressIndicator*)m_cocoaNSView maxValue];
78}
79
80void 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
88wxSize wxGauge::DoGetBestSize() const
89{
90    wxAutoNSAutoreleasePool pool;
91    wxASSERT(GetNSProgressIndicator());
92    NSRect storedRect = [m_cocoaNSView frame];
93    bool didFit = false;
94NS_DURING
95    [GetNSProgressIndicator() sizeToFit];
96    didFit = true;
97NS_HANDLER
98    // TODO: if anything other than method not implemented, re-raise
99NS_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
114