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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: choice.cpp | |
3 | // Purpose: wxChoice | |
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 | #ifdef __GNUG__ | |
13 | #pragma implementation "choice.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/defs.h" | |
17 | #include "wx/choice.h" | |
18 | #include "wx/menu.h" | |
19 | #include "wx/mac/uma.h" | |
20 | ||
21 | #if !USE_SHARED_LIBRARY | |
22 | IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl) | |
23 | #endif | |
24 | ||
25 | extern MenuHandle NewUniqueMenu() ; | |
26 | ||
27 | wxChoice::~wxChoice() | |
28 | { | |
29 | if ( HasClientObjectData() ) | |
30 | { | |
31 | size_t i, max = GetCount(); | |
32 | ||
33 | for ( i = 0; i < max; ++i ) | |
34 | delete GetClientObject(i); | |
35 | } | |
36 | ||
37 | // DeleteMenu( m_macPopUpMenuId ) ; | |
38 | // DisposeMenu( m_macPopUpMenuHandle ) ; | |
39 | } | |
40 | ||
41 | bool wxChoice::Create(wxWindow *parent, wxWindowID id, | |
42 | const wxPoint& pos, | |
43 | const wxSize& size, | |
44 | const wxArrayString& choices, | |
45 | long style, | |
46 | const wxValidator& validator, | |
47 | const wxString& name) | |
48 | { | |
49 | wxCArrayString chs(choices); | |
50 | ||
51 | return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(), | |
52 | style, validator, name); | |
53 | } | |
54 | ||
55 | bool wxChoice::Create(wxWindow *parent, wxWindowID id, | |
56 | const wxPoint& pos, | |
57 | const wxSize& size, | |
58 | int n, const wxString choices[], | |
59 | long style, | |
60 | const wxValidator& validator, | |
61 | const wxString& name) | |
62 | { | |
63 | m_macIsUserPane = FALSE ; | |
64 | ||
65 | if ( !wxChoiceBase::Create(parent, id, pos, size, style, validator, name) ) | |
66 | return false; | |
67 | ||
68 | Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ; | |
69 | m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , "\p" , true , 0 , -12345 , 0 , | |
70 | kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ; | |
71 | ||
72 | m_macPopUpMenuHandle = NewUniqueMenu() ; | |
73 | SetControlData( (ControlRef) m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ; | |
74 | SetControl32BitMinimum( (ControlRef) m_macControl , 0 ) ; | |
75 | SetControl32BitMaximum( (ControlRef) m_macControl , 0) ; | |
76 | if ( n > 0 ) | |
77 | SetControl32BitValue( (ControlRef) m_macControl , 1 ) ; | |
78 | MacPostControlCreate(pos,size) ; | |
79 | // TODO wxCB_SORT | |
80 | for ( int i = 0; i < n; i++ ) | |
81 | { | |
82 | Append(choices[i]); | |
83 | } | |
84 | return TRUE; | |
85 | } | |
86 | ||
87 | // ---------------------------------------------------------------------------- | |
88 | // adding/deleting items to/from the list | |
89 | // ---------------------------------------------------------------------------- | |
90 | int wxChoice::DoAppend(const wxString& item) | |
91 | { | |
92 | UMAAppendMenuItem(MAC_WXHMENU( m_macPopUpMenuHandle ) , item, m_font.GetEncoding() ); | |
93 | m_strings.Add( item ) ; | |
94 | m_datas.Add( NULL ) ; | |
95 | int index = m_strings.GetCount() - 1 ; | |
96 | DoSetItemClientData( index , NULL ) ; | |
97 | SetControl32BitMaximum( (ControlRef) m_macControl , GetCount()) ; | |
98 | return index ; | |
99 | } | |
100 | ||
101 | int wxChoice::DoInsert(const wxString& item, int pos) | |
102 | { | |
103 | wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list")); | |
104 | wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index")); | |
105 | ||
106 | if (pos == GetCount()) | |
107 | return DoAppend(item); | |
108 | ||
109 | UMAAppendMenuItem(MAC_WXHMENU( m_macPopUpMenuHandle ) , item, m_font.GetEncoding() ); | |
110 | m_strings.Insert( item, pos ) ; | |
111 | m_datas.Insert( NULL, pos ) ; | |
112 | DoSetItemClientData( pos , NULL ) ; | |
113 | SetControl32BitMaximum( (ControlRef) m_macControl , pos) ; | |
114 | return pos ; | |
115 | } | |
116 | ||
117 | void wxChoice::Delete(int n) | |
118 | { | |
119 | wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") ); | |
120 | if ( HasClientObjectData() ) | |
121 | { | |
122 | delete GetClientObject(n); | |
123 | } | |
124 | ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , n + 1) ; | |
125 | m_strings.RemoveAt( n ) ; | |
126 | m_datas.RemoveAt( n ) ; | |
127 | SetControl32BitMaximum( (ControlRef) m_macControl , GetCount()) ; | |
128 | } | |
129 | ||
130 | void wxChoice::Clear() | |
131 | { | |
132 | FreeData(); | |
133 | for ( int i = 0 ; i < GetCount() ; i++ ) | |
134 | { | |
135 | ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , 1 ) ; | |
136 | } | |
137 | m_strings.Empty() ; | |
138 | m_datas.Empty() ; | |
139 | SetControl32BitMaximum( (ControlRef) m_macControl , 0 ) ; | |
140 | } | |
141 | ||
142 | void wxChoice::FreeData() | |
143 | { | |
144 | if ( HasClientObjectData() ) | |
145 | { | |
146 | size_t count = GetCount(); | |
147 | for ( size_t n = 0; n < count; n++ ) | |
148 | { | |
149 | delete GetClientObject(n); | |
150 | } | |
151 | } | |
152 | } | |
153 | ||
154 | // ---------------------------------------------------------------------------- | |
155 | // selection | |
156 | // ---------------------------------------------------------------------------- | |
157 | int wxChoice::GetSelection() const | |
158 | { | |
159 | return GetControl32BitValue( (ControlRef) m_macControl ) -1 ; | |
160 | } | |
161 | ||
162 | void wxChoice::SetSelection(int n) | |
163 | { | |
164 | SetControl32BitValue( (ControlRef) m_macControl , n + 1 ) ; | |
165 | } | |
166 | ||
167 | // ---------------------------------------------------------------------------- | |
168 | // string list functions | |
169 | // ---------------------------------------------------------------------------- | |
170 | ||
171 | int wxChoice::GetCount() const | |
172 | { | |
173 | return m_strings.GetCount() ; | |
174 | } | |
175 | ||
176 | int wxChoice::FindString(const wxString& s) const | |
177 | { | |
178 | for( int i = 0 ; i < GetCount() ; i++ ) | |
179 | { | |
180 | if ( GetString( i ).IsSameAs(s, FALSE) ) | |
181 | return i ; | |
182 | } | |
183 | return wxNOT_FOUND ; | |
184 | } | |
185 | ||
186 | void wxChoice::SetString(int n, const wxString& s) | |
187 | { | |
188 | wxFAIL_MSG(wxT("wxChoice::SetString() not yet implemented")); | |
189 | #if 0 // should do this, but no Insert() so far | |
190 | Delete(n); | |
191 | Insert(n + 1, s); | |
192 | #endif | |
193 | } | |
194 | ||
195 | wxString wxChoice::GetString(int n) const | |
196 | { | |
197 | wxCHECK_MSG( n >= 0 && (size_t)n < m_strings.GetCount(), _T(""), | |
198 | _T("wxChoice::GetString(): invalid index") ); | |
199 | ||
200 | return m_strings[n] ; | |
201 | } | |
202 | ||
203 | // ---------------------------------------------------------------------------- | |
204 | // client data | |
205 | // ---------------------------------------------------------------------------- | |
206 | void wxChoice::DoSetItemClientData( int n, void* clientData ) | |
207 | { | |
208 | wxCHECK_RET( n >= 0 && (size_t)n < m_datas.GetCount(), | |
209 | wxT("invalid index in wxChoice::SetClientData") ); | |
210 | ||
211 | m_datas[n] = (char*) clientData ; | |
212 | } | |
213 | ||
214 | void *wxChoice::DoGetItemClientData(int n) const | |
215 | { | |
216 | wxCHECK_MSG( n >= 0 && (size_t)n < m_datas.GetCount(), NULL, | |
217 | wxT("invalid index in wxChoice::GetClientData") ); | |
218 | return (void *)m_datas[n]; | |
219 | } | |
220 | ||
221 | void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData ) | |
222 | { | |
223 | DoSetItemClientData(n, clientData); | |
224 | } | |
225 | ||
226 | wxClientData* wxChoice::DoGetItemClientObject( int n ) const | |
227 | { | |
228 | return (wxClientData *)DoGetItemClientData(n); | |
229 | } | |
230 | ||
231 | void wxChoice::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown)) | |
232 | { | |
233 | wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId ); | |
234 | int n = GetSelection(); | |
235 | // actually n should be made sure by the os to be a valid selection, but ... | |
236 | if ( n > -1 ) | |
237 | { | |
238 | event.SetInt( n ); | |
239 | event.SetString(GetStringSelection()); | |
240 | event.SetEventObject(this); | |
241 | if ( HasClientObjectData() ) | |
242 | event.SetClientObject( GetClientObject(n) ); | |
243 | else if ( HasClientUntypedData() ) | |
244 | event.SetClientData( GetClientData(n) ); | |
245 | ProcessCommand(event); | |
246 | } | |
247 | } | |
248 | ||
249 | wxSize wxChoice::DoGetBestSize() const | |
250 | { | |
251 | int lbWidth = GetCount() > 0 ? 20 : 100; // some defaults | |
252 | int lbHeight = 20; | |
253 | int wLine; | |
254 | #if TARGET_CARBON | |
255 | long metric ; | |
256 | GetThemeMetric(kThemeMetricPopupButtonHeight , &metric ); | |
257 | lbHeight = metric ; | |
258 | #endif | |
259 | { | |
260 | wxMacPortStateHelper st( UMAGetWindowPort( (WindowRef) MacGetTopLevelWindowRef() ) ) ; | |
261 | if ( m_font.Ok() ) | |
262 | { | |
263 | ::TextFont( m_font.MacGetFontNum() ) ; | |
264 | ::TextSize( m_font.MacGetFontSize() ) ; | |
265 | ::TextFace( m_font.MacGetFontStyle() ) ; | |
266 | } | |
267 | else | |
268 | { | |
269 | ::TextFont( kFontIDMonaco ) ; | |
270 | ::TextSize( 9 ); | |
271 | ::TextFace( 0 ) ; | |
272 | } | |
273 | // Find the widest line | |
274 | for(int i = 0; i < GetCount(); i++) { | |
275 | wxString str(GetString(i)); | |
276 | #if wxUSE_UNICODE | |
277 | Point bounds={0,0} ; | |
278 | SInt16 baseline ; | |
279 | ::GetThemeTextDimensions( wxMacCFStringHolder( str , m_font.GetEncoding() ) , | |
280 | kThemeCurrentPortFont, | |
281 | kThemeStateActive, | |
282 | false, | |
283 | &bounds, | |
284 | &baseline ); | |
285 | wLine = bounds.h ; | |
286 | #else | |
287 | wLine = ::TextWidth( str.c_str() , 0 , str.Length() ) ; | |
288 | #endif | |
289 | lbWidth = wxMax(lbWidth, wLine); | |
290 | } | |
291 | // Add room for the popup arrow | |
292 | lbWidth += 2 * lbHeight ; | |
293 | // And just a bit more | |
294 | int cx = ::TextWidth( "X" , 0 , 1 ) ; | |
295 | lbWidth += cx ; | |
296 | ||
297 | } | |
298 | return wxSize(lbWidth, lbHeight); | |
299 | } |