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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 | #include "wx/arrstr.h" | |
23 | ||
24 | // ============================================================================ | |
25 | // implementation | |
26 | // ============================================================================ | |
27 | ||
28 | IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox) | |
29 | ||
30 | // ---------------------------------------------------------------------------- | |
31 | // implementation of wxCheckListBox class | |
32 | // ---------------------------------------------------------------------------- | |
33 | ||
34 | // define event table | |
35 | // ------------------ | |
36 | BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox) | |
37 | END_EVENT_TABLE() | |
38 | ||
39 | // control creation | |
40 | // ---------------- | |
41 | ||
42 | static const wxString prefixChecked = "[x] "; | |
43 | static const wxString prefixUnchecked = "[ ] "; | |
44 | static const char checkChar = 'x', uncheckChar = ' '; | |
45 | ||
46 | static inline const wxString& Prefix(bool checked) | |
47 | { return checked ? prefixChecked : prefixUnchecked; } | |
48 | static inline bool IsChecked(const wxString& s) | |
49 | { wxASSERT(s.length() >=4); return s[1] == checkChar; } | |
50 | ||
51 | static void CopyStringsAddingPrefix(const wxArrayString& orig, | |
52 | wxArrayString& copy) | |
53 | { | |
54 | copy.Clear(); | |
55 | ||
56 | for(size_t i = 0; i < orig.GetCount(); ++i ) | |
57 | copy.Add( Prefix(false) + orig[i] ); | |
58 | } | |
59 | ||
60 | // def ctor: use Create() to really create the control | |
61 | wxCheckListBox::wxCheckListBox() : wxCheckListBoxBase() | |
62 | { | |
63 | } | |
64 | ||
65 | // ctor which creates the associated control | |
66 | wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id, | |
67 | const wxPoint& pos, const wxSize& size, | |
68 | int nStrings, const wxString choices[], | |
69 | long style, const wxValidator& val, | |
70 | const wxString& name) | |
71 | : wxCheckListBoxBase() | |
72 | { | |
73 | Create(parent, id, pos, size, nStrings, choices, | |
74 | style, val, name); | |
75 | } | |
76 | ||
77 | wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id, | |
78 | const wxPoint& pos, const wxSize& size, | |
79 | const wxArrayString& choices, | |
80 | long style, const wxValidator& val, | |
81 | const wxString& name) | |
82 | : wxCheckListBoxBase() | |
83 | { | |
84 | Create(parent, id, pos, size, choices, | |
85 | style, val, name); | |
86 | } | |
87 | ||
88 | bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, | |
89 | const wxPoint& pos, | |
90 | const wxSize& size, | |
91 | int n, const wxString choices[], | |
92 | long style, | |
93 | const wxValidator& validator, | |
94 | const wxString& name) | |
95 | { | |
96 | // wxListBox::Create calls set, which adds the prefixes | |
97 | bool retVal = wxListBox::Create(parent, id, pos, size, n, choices, | |
98 | style, validator, name); | |
99 | return retVal; | |
100 | } | |
101 | ||
102 | bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, | |
103 | const wxPoint& pos, | |
104 | const wxSize& size, | |
105 | const wxArrayString& choices, | |
106 | long style, | |
107 | const wxValidator& validator, | |
108 | const wxString& name) | |
109 | { | |
110 | // wxListBox::Create calls set, which adds the prefixes | |
111 | bool retVal = wxListBox::Create(parent, id, pos, size, choices, | |
112 | style, validator, name); | |
113 | return retVal; | |
114 | } | |
115 | ||
116 | // check items | |
117 | // ----------- | |
118 | ||
119 | bool wxCheckListBox::IsChecked(unsigned int uiIndex) const | |
120 | { | |
121 | return ::IsChecked(wxListBox::GetString(uiIndex)); | |
122 | } | |
123 | ||
124 | void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck) | |
125 | { | |
126 | wxString label = wxListBox::GetString(uiIndex); | |
127 | if(::IsChecked(label) == bCheck) return; | |
128 | label[1u] = bCheck ? checkChar : uncheckChar; | |
129 | wxListBox::SetString(uiIndex, label); | |
130 | } | |
131 | ||
132 | void wxCheckListBox::DoToggleItem( int n, int x ) | |
133 | { | |
134 | if( x < 23 ) | |
135 | { | |
136 | wxString label = wxListBox::GetString(n); | |
137 | label[1u] = (!::IsChecked(label)) ? checkChar : uncheckChar; | |
138 | wxListBox::SetString(n, label); | |
139 | ||
140 | wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId()); | |
141 | if( HasClientObjectData() ) | |
142 | event.SetClientObject( GetClientObject(n) ); | |
143 | else if( HasClientUntypedData() ) | |
144 | event.SetClientData( GetClientData(n) ); | |
145 | event.SetInt(n); | |
146 | event.SetExtraLong(true); | |
147 | event.SetEventObject(this); | |
148 | event.SetString(GetString(n)); | |
149 | ||
150 | GetEventHandler()->ProcessEvent(event); | |
151 | } | |
152 | } | |
153 | ||
154 | int wxCheckListBox::DoAppend(const wxString& item) | |
155 | { | |
156 | return wxListBox::DoAppend( Prefix(false) + item ); | |
157 | } | |
158 | ||
159 | int wxCheckListBox::FindString(const wxString& s, bool bCase) const | |
160 | { | |
161 | int n1 = wxListBox::FindString(Prefix(false) + s, bCase); | |
162 | int n2 = wxListBox::FindString(Prefix(true) + s, bCase); | |
163 | int min = wxMin(n1, n2), max = wxMax(n1, n2); | |
164 | ||
165 | // why this works: | |
166 | // n1 == -1, n2 == -1 => return -1 OK | |
167 | // n1 != -1 || n2 != -1 => min == -1 => return the other one | |
168 | // both != -1 => return the first one. | |
169 | if( min == -1 ) return max; | |
170 | return min; | |
171 | } | |
172 | ||
173 | void wxCheckListBox::SetString(unsigned int n, const wxString& s) | |
174 | { | |
175 | wxListBox::SetString(n, Prefix(IsChecked(n)) + s); | |
176 | } | |
177 | ||
178 | wxString wxCheckListBox::GetString(unsigned int n) const | |
179 | { | |
180 | return wxListBox::GetString(n).substr(4); | |
181 | } | |
182 | ||
183 | void wxCheckListBox::DoInsertItems(const wxArrayString& items, unsigned int pos) | |
184 | { | |
185 | wxArrayString copy; | |
186 | CopyStringsAddingPrefix(items, copy); | |
187 | wxListBox::DoInsertItems(copy, pos); | |
188 | } | |
189 | ||
190 | void wxCheckListBox::DoSetItems(const wxArrayString& items, void **clientData) | |
191 | { | |
192 | wxArrayString copy; | |
193 | CopyStringsAddingPrefix(items, copy); | |
194 | wxListBox::DoSetItems(copy, clientData); | |
195 | } | |
196 | ||
197 | #endif // wxUSE_CHECKLISTBOX |