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