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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/motif/checklst.cpp | |
3 | // Purpose: implementation of wxCheckListBox class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // headers & declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #if wxUSE_CHECKLISTBOX | |
20 | ||
21 | #include "wx/checklst.h" | |
22 | ||
23 | #ifndef WX_PRECOMP | |
24 | #include "wx/arrstr.h" | |
25 | #endif | |
26 | ||
27 | // ============================================================================ | |
28 | // implementation | |
29 | // ============================================================================ | |
30 | ||
31 | IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox) | |
32 | ||
33 | // ---------------------------------------------------------------------------- | |
34 | // implementation of wxCheckListBox class | |
35 | // ---------------------------------------------------------------------------- | |
36 | ||
37 | // define event table | |
38 | // ------------------ | |
39 | BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox) | |
40 | END_EVENT_TABLE() | |
41 | ||
42 | // control creation | |
43 | // ---------------- | |
44 | ||
45 | static const wxString prefixChecked = "[x] "; | |
46 | static const wxString prefixUnchecked = "[ ] "; | |
47 | static const char checkChar = 'x', uncheckChar = ' '; | |
48 | ||
49 | static inline const wxString& Prefix(bool checked) | |
50 | { return checked ? prefixChecked : prefixUnchecked; } | |
51 | static inline bool IsChecked(const wxString& s) | |
52 | { wxASSERT(s.length() >=4); return s[1] == checkChar; } | |
53 | ||
54 | // def ctor: use Create() to really create the control | |
55 | wxCheckListBox::wxCheckListBox() : wxCheckListBoxBase() | |
56 | { | |
57 | } | |
58 | ||
59 | // ctor which creates the associated control | |
60 | wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id, | |
61 | const wxPoint& pos, const wxSize& size, | |
62 | int nStrings, const wxString choices[], | |
63 | long style, const wxValidator& val, | |
64 | const wxString& name) | |
65 | : wxCheckListBoxBase() | |
66 | { | |
67 | Create(parent, id, pos, size, nStrings, choices, | |
68 | style, val, name); | |
69 | } | |
70 | ||
71 | wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id, | |
72 | const wxPoint& pos, const wxSize& size, | |
73 | const wxArrayString& choices, | |
74 | long style, const wxValidator& val, | |
75 | const wxString& name) | |
76 | : wxCheckListBoxBase() | |
77 | { | |
78 | Create(parent, id, pos, size, choices, | |
79 | style, val, name); | |
80 | } | |
81 | ||
82 | bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, | |
83 | const wxPoint& pos, | |
84 | const wxSize& size, | |
85 | int n, const wxString choices[], | |
86 | long style, | |
87 | const wxValidator& validator, | |
88 | const wxString& name) | |
89 | { | |
90 | // wxListBox::Create calls set, which adds the prefixes | |
91 | bool retVal = wxListBox::Create(parent, id, pos, size, n, choices, | |
92 | style, validator, name); | |
93 | return retVal; | |
94 | } | |
95 | ||
96 | bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, | |
97 | const wxPoint& pos, | |
98 | const wxSize& size, | |
99 | const wxArrayString& choices, | |
100 | long style, | |
101 | const wxValidator& validator, | |
102 | const wxString& name) | |
103 | { | |
104 | // wxListBox::Create calls set, which adds the prefixes | |
105 | bool retVal = wxListBox::Create(parent, id, pos, size, choices, | |
106 | style, validator, name); | |
107 | return retVal; | |
108 | } | |
109 | ||
110 | // check items | |
111 | // ----------- | |
112 | ||
113 | bool wxCheckListBox::IsChecked(unsigned int uiIndex) const | |
114 | { | |
115 | return ::IsChecked(wxListBox::GetString(uiIndex)); | |
116 | } | |
117 | ||
118 | void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck) | |
119 | { | |
120 | wxString label = wxListBox::GetString(uiIndex); | |
121 | if(::IsChecked(label) == bCheck) return; | |
122 | label[1u] = bCheck ? checkChar : uncheckChar; | |
123 | wxListBox::SetString(uiIndex, label); | |
124 | } | |
125 | ||
126 | void wxCheckListBox::DoToggleItem( int n, int x ) | |
127 | { | |
128 | if( x > 0 && x < 23 ) | |
129 | { | |
130 | wxString label = wxListBox::GetString(n); | |
131 | label[1u] = (!::IsChecked(label)) ? checkChar : uncheckChar; | |
132 | wxListBox::SetString(n, label); | |
133 | ||
134 | wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId()); | |
135 | if( HasClientObjectData() ) | |
136 | event.SetClientObject( GetClientObject(n) ); | |
137 | else if( HasClientUntypedData() ) | |
138 | event.SetClientData( GetClientData(n) ); | |
139 | event.SetInt(n); | |
140 | event.SetExtraLong(true); | |
141 | event.SetEventObject(this); | |
142 | event.SetString(GetString(n)); | |
143 | ||
144 | GetEventHandler()->ProcessEvent(event); | |
145 | } | |
146 | } | |
147 | ||
148 | int wxCheckListBox::FindString(const wxString& s, bool bCase) const | |
149 | { | |
150 | int n1 = wxListBox::FindString(Prefix(false) + s, bCase); | |
151 | int n2 = wxListBox::FindString(Prefix(true) + s, bCase); | |
152 | int min = wxMin(n1, n2), max = wxMax(n1, n2); | |
153 | ||
154 | // why this works: | |
155 | // n1 == -1, n2 == -1 => return -1 OK | |
156 | // n1 != -1 || n2 != -1 => min == -1 => return the other one | |
157 | // both != -1 => return the first one. | |
158 | if( min == -1 ) return max; | |
159 | return min; | |
160 | } | |
161 | ||
162 | void wxCheckListBox::SetString(unsigned int n, const wxString& s) | |
163 | { | |
164 | wxListBox::SetString(n, Prefix(IsChecked(n)) + s); | |
165 | } | |
166 | ||
167 | wxString wxCheckListBox::GetString(unsigned int n) const | |
168 | { | |
169 | return wxListBox::GetString(n).substr(4); | |
170 | } | |
171 | ||
172 | int wxCheckListBox::DoInsertItems(const wxArrayStringsAdapter& items, | |
173 | unsigned int pos, | |
174 | void **clientData, wxClientDataType type) | |
175 | { | |
176 | wxArrayString copy; | |
177 | copy.reserve(pos); | |
178 | for ( size_t i = 0; i < items.GetCount(); ++i ) | |
179 | copy.push_back( Prefix(false) + items[i] ); | |
180 | ||
181 | return wxListBox::DoInsertItems(copy, pos, clientData, type); | |
182 | } | |
183 | ||
184 | #endif // wxUSE_CHECKLISTBOX |