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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: univ/checklst.cpp | |
3 | // Purpose: wxCheckListBox implementation | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 12.09.00 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
21 | #pragma implementation "univchecklst.h" | |
22 | #endif | |
23 | ||
24 | #include "wx/wxprec.h" | |
25 | ||
26 | #ifdef __BORLANDC__ | |
27 | #pragma hdrstop | |
28 | #endif | |
29 | ||
30 | #if wxUSE_CHECKLISTBOX | |
31 | ||
32 | #ifndef WX_PRECOMP | |
33 | #include "wx/log.h" | |
34 | ||
35 | #include "wx/dcclient.h" | |
36 | #include "wx/checklst.h" | |
37 | #include "wx/validate.h" | |
38 | #endif | |
39 | ||
40 | #include "wx/univ/renderer.h" | |
41 | #include "wx/univ/inphand.h" | |
42 | #include "wx/univ/theme.h" | |
43 | ||
44 | // ============================================================================ | |
45 | // implementation of wxCheckListBox | |
46 | // ============================================================================ | |
47 | ||
48 | IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox) | |
49 | ||
50 | // ---------------------------------------------------------------------------- | |
51 | // creation | |
52 | // ---------------------------------------------------------------------------- | |
53 | ||
54 | void wxCheckListBox::Init() | |
55 | { | |
56 | } | |
57 | ||
58 | wxCheckListBox::wxCheckListBox(wxWindow *parent, | |
59 | wxWindowID id, | |
60 | const wxPoint &pos, | |
61 | const wxSize &size, | |
62 | const wxArrayString& choices, | |
63 | long style, | |
64 | const wxValidator& validator, | |
65 | const wxString &name) | |
66 | { | |
67 | Init(); | |
68 | ||
69 | Create(parent, id, pos, size, choices, style, validator, name); | |
70 | } | |
71 | ||
72 | bool wxCheckListBox::Create(wxWindow *parent, | |
73 | wxWindowID id, | |
74 | const wxPoint &pos, | |
75 | const wxSize &size, | |
76 | const wxArrayString& choices, | |
77 | long style, | |
78 | const wxValidator& validator, | |
79 | const wxString &name) | |
80 | { | |
81 | wxCArrayString chs(choices); | |
82 | ||
83 | return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(), | |
84 | style, validator, name); | |
85 | } | |
86 | ||
87 | bool wxCheckListBox::Create(wxWindow *parent, | |
88 | wxWindowID id, | |
89 | const wxPoint &pos, | |
90 | const wxSize &size, | |
91 | int n, | |
92 | const wxString choices[], | |
93 | long style, | |
94 | const wxValidator& validator, | |
95 | const wxString &name) | |
96 | { | |
97 | if ( !wxListBox::Create(parent, id, pos, size, | |
98 | n, choices, style, validator, name) ) | |
99 | return FALSE; | |
100 | ||
101 | CreateInputHandler(wxINP_HANDLER_CHECKLISTBOX); | |
102 | ||
103 | return TRUE; | |
104 | } | |
105 | ||
106 | // ---------------------------------------------------------------------------- | |
107 | // wxCheckListBox functions | |
108 | // ---------------------------------------------------------------------------- | |
109 | ||
110 | bool wxCheckListBox::IsChecked(size_t item) const | |
111 | { | |
112 | wxCHECK_MSG( item < m_checks.GetCount(), FALSE, | |
113 | _T("invalid index in wxCheckListBox::IsChecked") ); | |
114 | ||
115 | return m_checks[item] != 0; | |
116 | } | |
117 | ||
118 | void wxCheckListBox::Check(size_t item, bool check) | |
119 | { | |
120 | wxCHECK_RET( item < m_checks.GetCount(), | |
121 | _T("invalid index in wxCheckListBox::Check") ); | |
122 | ||
123 | // intermediate var is needed to avoid compiler warning with VC++ | |
124 | bool isChecked = m_checks[item] != 0; | |
125 | if ( check != isChecked ) | |
126 | { | |
127 | m_checks[item] = check; | |
128 | ||
129 | RefreshItem(item); | |
130 | } | |
131 | } | |
132 | ||
133 | // ---------------------------------------------------------------------------- | |
134 | // methods forwarded to wxListBox | |
135 | // ---------------------------------------------------------------------------- | |
136 | ||
137 | void wxCheckListBox::Delete(int n) | |
138 | { | |
139 | wxCHECK_RET( n < GetCount(), _T("invalid index in wxListBox::Delete") ); | |
140 | ||
141 | wxListBox::Delete(n); | |
142 | ||
143 | m_checks.RemoveAt(n); | |
144 | } | |
145 | ||
146 | int wxCheckListBox::DoAppend(const wxString& item) | |
147 | { | |
148 | int pos = wxListBox::DoAppend(item); | |
149 | ||
150 | // the item is initially unchecked | |
151 | m_checks.Insert(FALSE, pos); | |
152 | ||
153 | return pos; | |
154 | } | |
155 | ||
156 | void wxCheckListBox::DoInsertItems(const wxArrayString& items, int pos) | |
157 | { | |
158 | wxListBox::DoInsertItems(items, pos); | |
159 | ||
160 | size_t count = items.GetCount(); | |
161 | for ( size_t n = 0; n < count; n++ ) | |
162 | { | |
163 | m_checks.Insert(FALSE, pos + n); | |
164 | } | |
165 | } | |
166 | ||
167 | void wxCheckListBox::DoSetItems(const wxArrayString& items, void **clientData) | |
168 | { | |
169 | // call it first as it does DoClear() | |
170 | wxListBox::DoSetItems(items, clientData); | |
171 | ||
172 | size_t count = items.GetCount(); | |
173 | for ( size_t n = 0; n < count; n++ ) | |
174 | { | |
175 | m_checks.Add(FALSE); | |
176 | } | |
177 | } | |
178 | ||
179 | void wxCheckListBox::DoClear() | |
180 | { | |
181 | m_checks.Empty(); | |
182 | } | |
183 | ||
184 | // ---------------------------------------------------------------------------- | |
185 | // drawing | |
186 | // ---------------------------------------------------------------------------- | |
187 | ||
188 | wxSize wxCheckListBox::DoGetBestClientSize() const | |
189 | { | |
190 | wxSize size = wxListBox::DoGetBestClientSize(); | |
191 | size.x += GetRenderer()->GetCheckBitmapSize().x; | |
192 | ||
193 | return size; | |
194 | } | |
195 | ||
196 | void wxCheckListBox::DoDrawRange(wxControlRenderer *renderer, | |
197 | int itemFirst, int itemLast) | |
198 | { | |
199 | renderer->DrawCheckItems(this, itemFirst, itemLast); | |
200 | } | |
201 | ||
202 | // ---------------------------------------------------------------------------- | |
203 | // actions | |
204 | // ---------------------------------------------------------------------------- | |
205 | ||
206 | bool wxCheckListBox::PerformAction(const wxControlAction& action, | |
207 | long numArg, | |
208 | const wxString& strArg) | |
209 | { | |
210 | if ( action == wxACTION_CHECKLISTBOX_TOGGLE ) | |
211 | { | |
212 | int sel = (int)numArg; | |
213 | if ( sel == -1 ) | |
214 | { | |
215 | sel = GetSelection(); | |
216 | } | |
217 | ||
218 | if ( sel != -1 ) | |
219 | { | |
220 | Check(sel, !IsChecked(sel)); | |
221 | ||
222 | SendEvent(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, sel); | |
223 | } | |
224 | } | |
225 | else | |
226 | { | |
227 | return wxListBox::PerformAction(action, numArg, strArg); | |
228 | } | |
229 | ||
230 | return TRUE; | |
231 | } | |
232 | ||
233 | // ---------------------------------------------------------------------------- | |
234 | // wxStdCheckListboxInputHandler | |
235 | // ---------------------------------------------------------------------------- | |
236 | ||
237 | wxStdCheckListboxInputHandler:: | |
238 | wxStdCheckListboxInputHandler(wxInputHandler *inphand) | |
239 | : wxStdListboxInputHandler(inphand) | |
240 | { | |
241 | } | |
242 | ||
243 | bool wxStdCheckListboxInputHandler::HandleKey(wxInputConsumer *consumer, | |
244 | const wxKeyEvent& event, | |
245 | bool pressed) | |
246 | { | |
247 | if ( pressed && (event.GetKeyCode() == WXK_SPACE) ) | |
248 | consumer->PerformAction(wxACTION_CHECKLISTBOX_TOGGLE); | |
249 | ||
250 | return wxStdListboxInputHandler::HandleKey(consumer, event, pressed); | |
251 | } | |
252 | ||
253 | bool wxStdCheckListboxInputHandler::HandleMouse(wxInputConsumer *consumer, | |
254 | const wxMouseEvent& event) | |
255 | { | |
256 | if ( event.LeftDown() || event.LeftDClick() ) | |
257 | { | |
258 | wxCheckListBox *lbox = wxStaticCast(consumer->GetInputWindow(), wxCheckListBox); | |
259 | int x, y; | |
260 | ||
261 | wxPoint pt = event.GetPosition(); | |
262 | pt -= consumer->GetInputWindow()->GetClientAreaOrigin(); | |
263 | lbox->CalcUnscrolledPosition(pt.x, pt.y, &x, &y); | |
264 | ||
265 | wxRenderer *renderer = lbox->GetRenderer(); | |
266 | x -= renderer->GetCheckItemMargin(); | |
267 | ||
268 | int item = y / lbox->GetLineHeight(); | |
269 | if ( x >= 0 && | |
270 | x < renderer->GetCheckBitmapSize().x && | |
271 | item >= 0 && | |
272 | item < lbox->GetCount() ) | |
273 | { | |
274 | lbox->PerformAction(wxACTION_CHECKLISTBOX_TOGGLE, item); | |
275 | ||
276 | return TRUE; | |
277 | } | |
278 | } | |
279 | ||
280 | return wxStdListboxInputHandler::HandleMouse(consumer, event); | |
281 | } | |
282 | ||
283 | #endif // wxUSE_CHECKLISTBOX |