1/////////////////////////////////////////////////////////////////////////////
2// Name:        src/mac/classic/spinbutt.cpp
3// Purpose:     wxSpinButton
4// Author:      Stefan Csomor
5// Modified by:
6// Created:     1998-01-01
7// RCS-ID:      $Id: spinbutt.cpp 38790 2006-04-18 09:05:00Z ABX $
8// Copyright:   (c) Stefan Csomor
9// Licence:     wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#include "wx/wxprec.h"
13
14#ifdef __BORLANDC__
15    #pragma hdrstop
16#endif
17
18#if wxUSE_SPINBTN
19
20#include "wx/spinbutt.h"
21#include "wx/mac/uma.h"
22
23// ============================================================================
24// implementation
25// ============================================================================
26
27// ----------------------------------------------------------------------------
28// wxWin macros
29// ----------------------------------------------------------------------------
30
31IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
32IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
33
34wxSpinButton::wxSpinButton()
35   : wxSpinButtonBase()
36{
37}
38
39bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
40        long style, const wxString& name)
41{
42    if ( !wxSpinButtonBase::Create(parent, id, pos, size,
43                                   style, wxDefaultValidator, name) )
44        return false;
45
46    m_min = 0;
47    m_max = 100;
48
49    if (!parent)
50        return false;
51
52    Rect bounds ;
53    Str255 title ;
54
55    MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
56
57    m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 100,
58        kControlLittleArrowsProc , (long) this ) ;
59
60    wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
61
62    MacPostControlCreate() ;
63
64    return true;
65}
66
67wxSpinButton::~wxSpinButton()
68{
69}
70
71// Attributes
72////////////////////////////////////////////////////////////////////////////
73
74int wxSpinButton::GetMin() const
75{
76    return m_min;
77}
78
79int wxSpinButton::GetMax() const
80{
81    return m_max;
82}
83
84int wxSpinButton::GetValue() const
85{
86    int n = m_value;
87
88    if (n < m_min) n = m_min;
89    if (n > m_max) n = m_max;
90
91    return n;
92}
93
94void wxSpinButton::SetValue(int val)
95{
96    m_value = val ;
97}
98
99void wxSpinButton::SetRange(int minVal, int maxVal)
100{
101    m_min = minVal;
102    m_max = maxVal;
103    SetControl32BitMaximum( (ControlHandle) m_macControl , maxVal ) ;
104    SetControl32BitMinimum((ControlHandle) m_macControl , minVal ) ;
105}
106
107void wxSpinButton::MacHandleValueChanged( int inc )
108{
109
110    wxEventType scrollEvent = wxEVT_NULL;
111    int oldValue = m_value ;
112
113    m_value = oldValue + inc;
114
115    if (m_value < m_min)
116    {
117        if ( m_windowStyle & wxSP_WRAP )
118            m_value = m_max;
119        else
120            m_value = m_min;
121    }
122
123    if (m_value > m_max)
124    {
125        if ( m_windowStyle & wxSP_WRAP )
126            m_value = m_min;
127        else
128            m_value = m_max;
129    }
130
131    if ( m_value - oldValue == -1 )
132        scrollEvent = wxEVT_SCROLL_LINEDOWN ;
133    else if ( m_value - oldValue == 1 )
134        scrollEvent = wxEVT_SCROLL_LINEUP ;
135    else
136        scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
137
138    wxSpinEvent event(scrollEvent, m_windowId);
139
140    event.SetPosition(m_value);
141    event.SetEventObject( this );
142    if ((GetEventHandler()->ProcessEvent( event )) &&
143        !event.IsAllowed() )
144    {
145        m_value = oldValue ;
146    }
147    SetControl32BitValue( (ControlHandle) m_macControl , m_value ) ;
148
149    /* always send a thumbtrack event */
150    if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
151    {
152        scrollEvent = wxEVT_SCROLL_THUMBTRACK;
153        wxSpinEvent event2( scrollEvent, GetId());
154        event2.SetPosition( m_value );
155        event2.SetEventObject( this );
156        GetEventHandler()->ProcessEvent( event2 );
157    }
158}
159
160void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown))
161{
162    if ( (ControlHandle) m_macControl == NULL )
163        return ;
164
165    int nScrollInc = 0;
166
167    switch( controlpart )
168    {
169    case kControlUpButtonPart :
170        nScrollInc = 1;
171        break ;
172    case kControlDownButtonPart :
173        nScrollInc = -1;
174        break ;
175    }
176    MacHandleValueChanged( nScrollInc ) ;
177
178}
179
180// ----------------------------------------------------------------------------
181// size calculation
182// ----------------------------------------------------------------------------
183
184wxSize wxSpinButton::DoGetBestSize() const
185{
186    return wxSize(16,24);
187}
188
189#endif // wxUSE_SPINBTN
190