use bool expression rather than implicit conversion
[wxWidgets.git] / src / osx / checklst_osx.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/osx/checklst.cpp
3 // Purpose: implementation of wxCheckListBox class
4 // Author: Stefan Csomor
5 // Modified by:
6 // Created: 1998-01-01
7 // RCS-ID: $Id$
8 // Copyright: (c) Stefan Csomor
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11 //
12 // new DataBrowser-based version
13
14
15 #include "wx/wxprec.h"
16
17 #if wxUSE_CHECKLISTBOX
18
19 #include "wx/checklst.h"
20
21 #ifndef WX_PRECOMP
22 #include "wx/arrstr.h"
23 #endif
24
25 #include "wx/osx/private.h"
26
27 IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
28
29 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
30 END_EVENT_TABLE()
31
32 void wxCheckListBox::Init()
33 {
34 }
35
36 bool wxCheckListBox::Create(
37 wxWindow *parent,
38 wxWindowID id,
39 const wxPoint &pos,
40 const wxSize &size,
41 const wxArrayString& choices,
42 long style,
43 const wxValidator& validator,
44 const wxString &name )
45 {
46 wxCArrayString chs( choices );
47
48 return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(), style, validator, name );
49 }
50
51 bool wxCheckListBox::Create(
52 wxWindow *parent,
53 wxWindowID id,
54 const wxPoint& pos,
55 const wxSize& size,
56 int n,
57 const wxString choices[],
58 long style,
59 const wxValidator& validator,
60 const wxString& name )
61 {
62 m_macIsUserPane = false;
63
64 wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
65 wxT("only one of listbox selection modes can be specified") );
66
67 if ( !wxCheckListBoxBase::Create( parent, id, pos, size, n, choices, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
68 return false;
69
70 int colwidth = 30;
71 // TODO adapt the width according to the window variant
72 m_checkColumn = GetListPeer()->InsertCheckColumn(0, wxEmptyString, true, wxALIGN_CENTER, colwidth);
73
74 return true;
75 }
76
77 // ----------------------------------------------------------------------------
78 // wxCheckListBox functions
79 // ----------------------------------------------------------------------------
80
81 // ----------------------------------------------------------------------------
82 // wxCheckListBox functions
83 // ----------------------------------------------------------------------------
84
85 bool wxCheckListBox::IsChecked(unsigned int n) const
86 {
87 wxCHECK_MSG( IsValid(n), false,
88 _T("invalid index in wxCheckListBox::IsChecked") );
89
90 return m_checks[n] != 0;
91 }
92
93 void wxCheckListBox::Check(unsigned int n, bool check)
94 {
95 wxCHECK_RET( IsValid(n),
96 _T("invalid index in wxCheckListBox::Check") );
97
98 // intermediate var is needed to avoid compiler warning with VC++
99 bool isChecked = m_checks[n] != 0;
100 if ( check != isChecked )
101 {
102 m_checks[n] = check;
103
104 GetListPeer()->UpdateLine(n);
105 }
106 }
107
108 void wxCheckListBox::GetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
109 {
110 if ( col == m_checkColumn )
111 value.Set( IsChecked( n ) );
112 else
113 wxListBox::GetValueCallback( n, col, value );
114 }
115
116 void wxCheckListBox::SetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
117 {
118 if ( col == m_checkColumn )
119 {
120 Check( n, value.GetIntValue() != 0 );
121
122 wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId() );
123 event.SetInt( n );
124 event.SetString( GetString( n ) );
125 event.SetEventObject( this );
126 HandleWindowEvent( event );
127 }
128 }
129
130
131
132 // ----------------------------------------------------------------------------
133 // methods forwarded to wxListBox
134 // ----------------------------------------------------------------------------
135
136 void wxCheckListBox::OnItemInserted(unsigned int pos)
137 {
138 wxListBox::OnItemInserted(pos);
139
140 m_checks.Insert(false, pos );
141 }
142
143 void wxCheckListBox::DoDeleteOneItem(unsigned int n)
144 {
145 wxListBox::DoDeleteOneItem(n);
146
147 m_checks.RemoveAt(n);
148 }
149
150 void wxCheckListBox::DoClear()
151 {
152 wxListBox::DoClear();
153
154 m_checks.Empty();
155 }
156
157 #endif // wxUSE_CHECKLISTBOX