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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/mac/classic/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 | #include "wx/defs.h" | |
13 | ||
14 | #if wxUSE_CHOICE | |
15 | ||
16 | #include "wx/choice.h" | |
17 | #include "wx/menu.h" | |
18 | #include "wx/mac/uma.h" | |
19 | ||
20 | IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl) | |
21 | ||
22 | extern MenuHandle NewUniqueMenu() ; | |
23 | ||
24 | wxChoice::~wxChoice() | |
25 | { | |
26 | if ( HasClientObjectData() ) | |
27 | { | |
28 | size_t i, max = GetCount(); | |
29 | ||
30 | for ( i = 0; i < max; ++i ) | |
31 | delete GetClientObject(i); | |
32 | } | |
33 | ||
34 | // DeleteMenu( m_macPopUpMenuId ) ; | |
35 | // DisposeMenu( m_macPopUpMenuHandle ) ; | |
36 | } | |
37 | ||
38 | bool wxChoice::Create(wxWindow *parent, wxWindowID id, | |
39 | const wxPoint& pos, | |
40 | const wxSize& size, | |
41 | const wxArrayString& choices, | |
42 | long style, | |
43 | const wxValidator& validator, | |
44 | const wxString& name) | |
45 | { | |
46 | wxCArrayString chs(choices); | |
47 | ||
48 | return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(), | |
49 | style, validator, name); | |
50 | } | |
51 | ||
52 | bool wxChoice::Create(wxWindow *parent, wxWindowID id, | |
53 | const wxPoint& pos, | |
54 | const wxSize& size, | |
55 | int n, const wxString choices[], | |
56 | long style, | |
57 | const wxValidator& validator, | |
58 | const wxString& name) | |
59 | { | |
60 | if ( !wxChoiceBase::Create(parent, id, pos, size, style, validator, name) ) | |
61 | return false; | |
62 | ||
63 | Rect bounds ; | |
64 | Str255 title ; | |
65 | ||
66 | MacPreControlCreate( parent , id , wxEmptyString , pos , size ,style, validator , name , &bounds , title ) ; | |
67 | m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , -12345 , 0 , | |
68 | kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ; | |
69 | ||
70 | m_macPopUpMenuHandle = NewUniqueMenu() ; | |
71 | SetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ; | |
72 | SetControl32BitMinimum( (ControlHandle) m_macControl , 0 ) ; | |
73 | SetControl32BitMaximum( (ControlHandle) m_macControl , 0) ; | |
74 | if ( n > 0 ) | |
75 | SetControl32BitValue( (ControlHandle) m_macControl , 1 ) ; | |
76 | MacPostControlCreate() ; | |
77 | // TODO wxCB_SORT | |
78 | for ( int i = 0; i < n; i++ ) | |
79 | { | |
80 | Append(choices[i]); | |
81 | } | |
82 | return true; | |
83 | } | |
84 | ||
85 | // ---------------------------------------------------------------------------- | |
86 | // adding/deleting items to/from the list | |
87 | // ---------------------------------------------------------------------------- | |
88 | int wxChoice::DoAppend(const wxString& item) | |
89 | { | |
90 | UMAAppendMenuItem(MAC_WXHMENU( m_macPopUpMenuHandle ) , item, m_font.GetEncoding() ); | |
91 | m_strings.Add( item ) ; | |
92 | m_datas.Add( NULL ) ; | |
93 | int index = m_strings.GetCount() - 1 ; | |
94 | DoSetItemClientData( index , NULL ) ; | |
95 | SetControl32BitMaximum( (ControlHandle) m_macControl , GetCount()) ; | |
96 | return index ; | |
97 | } | |
98 | ||
99 | int wxChoice::DoInsert(const wxString& item, int pos) | |
100 | { | |
101 | wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list")); | |
102 | wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index")); | |
103 | ||
104 | if (pos == GetCount()) | |
105 | return DoAppend(item); | |
106 | ||
107 | UMAAppendMenuItem(MAC_WXHMENU( m_macPopUpMenuHandle ) , item, m_font.GetEncoding() ); | |
108 | m_strings.Insert( item, pos ) ; | |
109 | m_datas.Insert( NULL, pos ) ; | |
110 | DoSetItemClientData( pos , NULL ) ; | |
111 | SetControl32BitMaximum( (ControlHandle) m_macControl , pos) ; | |
112 | return pos ; | |
113 | } | |
114 | ||
115 | void wxChoice::Delete(int n) | |
116 | { | |
117 | wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") ); | |
118 | if ( HasClientObjectData() ) | |
119 | { | |
120 | delete GetClientObject(n); | |
121 | } | |
122 | ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , n + 1) ; | |
123 | m_strings.RemoveAt( n ) ; | |
124 | m_datas.RemoveAt( n ) ; | |
125 | SetControl32BitMaximum( (ControlHandle) m_macControl , GetCount()) ; | |
126 | } | |
127 | ||
128 | void wxChoice::Clear() | |
129 | { | |
130 | FreeData(); | |
131 | for ( int i = 0 ; i < GetCount() ; i++ ) | |
132 | { | |
133 | ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , 1 ) ; | |
134 | } | |
135 | m_strings.Empty() ; | |
136 | m_datas.Empty() ; | |
137 | SetControl32BitMaximum( (ControlHandle) m_macControl , 0 ) ; | |
138 | } | |
139 | ||
140 | void wxChoice::FreeData() | |
141 | { | |
142 | if ( HasClientObjectData() ) | |
143 | { | |
144 | size_t count = GetCount(); | |
145 | for ( size_t n = 0; n < count; n++ ) | |
146 | { | |
147 | delete GetClientObject(n); | |
148 | } | |
149 | } | |
150 | } | |
151 | ||
152 | // ---------------------------------------------------------------------------- | |
153 | // selection | |
154 | // ---------------------------------------------------------------------------- | |
155 | int wxChoice::GetSelection() const | |
156 | { | |
157 | return GetControl32BitValue( (ControlHandle) m_macControl ) -1 ; | |
158 | } | |
159 | ||
160 | void wxChoice::SetSelection(int n) | |
161 | { | |
162 | SetControl32BitValue( (ControlHandle) m_macControl , n + 1 ) ; | |
163 | } | |
164 | ||
165 | // ---------------------------------------------------------------------------- | |
166 | // string list functions | |
167 | // ---------------------------------------------------------------------------- | |
168 | ||
169 | int wxChoice::GetCount() const | |
170 | { | |
171 | return m_strings.GetCount() ; | |
172 | } | |
173 | ||
174 | void wxChoice::SetString(int n, const wxString& s) | |
175 | { | |
176 | wxFAIL_MSG(wxT("wxChoice::SetString() not yet implemented")); | |
177 | #if 0 // should do this, but no Insert() so far | |
178 | Delete(n); | |
179 | Insert(n + 1, s); | |
180 | #endif | |
181 | } | |
182 | ||
183 | wxString wxChoice::GetString(int n) const | |
184 | { | |
185 | wxCHECK_MSG( n >= 0 && (size_t)n < m_strings.GetCount(), wxEmptyString, | |
186 | _T("wxChoice::GetString(): invalid index") ); | |
187 | ||
188 | return m_strings[n] ; | |
189 | } | |
190 | ||
191 | // ---------------------------------------------------------------------------- | |
192 | // client data | |
193 | // ---------------------------------------------------------------------------- | |
194 | void wxChoice::DoSetItemClientData( int n, void* clientData ) | |
195 | { | |
196 | wxCHECK_RET( n >= 0 && (size_t)n < m_datas.GetCount(), | |
197 | wxT("invalid index in wxChoice::SetClientData") ); | |
198 | ||
199 | m_datas[n] = (char*) clientData ; | |
200 | } | |
201 | ||
202 | void *wxChoice::DoGetItemClientData(int n) const | |
203 | { | |
204 | wxCHECK_MSG( n >= 0 && (size_t)n < m_datas.GetCount(), NULL, | |
205 | wxT("invalid index in wxChoice::GetClientData") ); | |
206 | return (void *)m_datas[n]; | |
207 | } | |
208 | ||
209 | void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData ) | |
210 | { | |
211 | DoSetItemClientData(n, clientData); | |
212 | } | |
213 | ||
214 | wxClientData* wxChoice::DoGetItemClientObject( int n ) const | |
215 | { | |
216 | return (wxClientData *)DoGetItemClientData(n); | |
217 | } | |
218 | ||
219 | void wxChoice::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown)) | |
220 | { | |
221 | wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId ); | |
222 | int n = GetSelection(); | |
223 | // actually n should be made sure by the os to be a valid selection, but ... | |
224 | if ( n > -1 ) | |
225 | { | |
226 | event.SetInt( n ); | |
227 | event.SetString(GetStringSelection()); | |
228 | event.SetEventObject(this); | |
229 | if ( HasClientObjectData() ) | |
230 | event.SetClientObject( GetClientObject(n) ); | |
231 | else if ( HasClientUntypedData() ) | |
232 | event.SetClientData( GetClientData(n) ); | |
233 | ProcessCommand(event); | |
234 | } | |
235 | } | |
236 | ||
237 | wxSize wxChoice::DoGetBestSize() const | |
238 | { | |
239 | int lbWidth = GetCount() > 0 ? 20 : 100; // some defaults | |
240 | int lbHeight = 20; | |
241 | int wLine; | |
242 | #if TARGET_CARBON | |
243 | long metric ; | |
244 | GetThemeMetric(kThemeMetricPopupButtonHeight , &metric ); | |
245 | lbHeight = metric ; | |
246 | #endif | |
247 | { | |
248 | wxMacPortStateHelper st( UMAGetWindowPort( (WindowRef) MacGetRootWindow() ) ) ; | |
249 | if ( m_font.Ok() ) | |
250 | { | |
251 | ::TextFont( m_font.GetMacFontNum() ) ; | |
252 | ::TextSize( m_font.GetMacFontSize() ) ; | |
253 | ::TextFace( m_font.GetMacFontStyle() ) ; | |
254 | } | |
255 | else | |
256 | { | |
257 | ::TextFont( kFontIDMonaco ) ; | |
258 | ::TextSize( 9 ); | |
259 | ::TextFace( 0 ) ; | |
260 | } | |
261 | // Find the widest line | |
262 | for(int i = 0; i < GetCount(); i++) { | |
263 | wxString str(GetString(i)); | |
264 | #if wxUSE_UNICODE | |
265 | Point bounds={0,0} ; | |
266 | SInt16 baseline ; | |
267 | ::GetThemeTextDimensions( wxMacCFStringHolder( str , m_font.GetEncoding() ) , | |
268 | kThemeCurrentPortFont, | |
269 | kThemeStateActive, | |
270 | false, | |
271 | &bounds, | |
272 | &baseline ); | |
273 | wLine = bounds.h ; | |
274 | #else | |
275 | wLine = ::TextWidth( str.c_str() , 0 , str.Length() ) ; | |
276 | #endif | |
277 | lbWidth = wxMax(lbWidth, wLine); | |
278 | } | |
279 | // Add room for the popup arrow | |
280 | lbWidth += 2 * lbHeight ; | |
281 | // And just a bit more | |
282 | int cx = ::TextWidth( "X" , 0 , 1 ) ; | |
283 | lbWidth += cx ; | |
284 | ||
285 | } | |
286 | return wxSize(lbWidth, lbHeight); | |
287 | } | |
288 | ||
289 | #endif // wxUSE_CHOICE |