| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/mac/carbon/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/wxprec.h" |
| 13 | |
| 14 | #if wxUSE_CHOICE |
| 15 | |
| 16 | #include "wx/choice.h" |
| 17 | |
| 18 | #ifndef WX_PRECOMP |
| 19 | #include "wx/menu.h" |
| 20 | #endif |
| 21 | |
| 22 | #include "wx/mac/uma.h" |
| 23 | |
| 24 | extern MenuHandle NewUniqueMenu() ; |
| 25 | |
| 26 | IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl) |
| 27 | |
| 28 | |
| 29 | wxChoice::~wxChoice() |
| 30 | { |
| 31 | if ( HasClientObjectData() ) |
| 32 | { |
| 33 | unsigned int i, max = GetCount(); |
| 34 | |
| 35 | for ( i = 0; i < max; ++i ) |
| 36 | delete GetClientObject( i ); |
| 37 | } |
| 38 | |
| 39 | // DeleteMenu( m_macPopUpMenuId ) ; |
| 40 | // DisposeMenu( m_macPopUpMenuHandle ) ; |
| 41 | } |
| 42 | |
| 43 | bool wxChoice::Create(wxWindow *parent, |
| 44 | wxWindowID id, |
| 45 | const wxPoint& pos, |
| 46 | const wxSize& size, |
| 47 | const wxArrayString& choices, |
| 48 | long style, |
| 49 | const wxValidator& validator, |
| 50 | const wxString& name ) |
| 51 | { |
| 52 | wxCArrayString chs( choices ); |
| 53 | |
| 54 | return Create( |
| 55 | parent, id, pos, size, chs.GetCount(), chs.GetStrings(), |
| 56 | style, validator, name ); |
| 57 | } |
| 58 | |
| 59 | bool wxChoice::Create(wxWindow *parent, |
| 60 | wxWindowID id, |
| 61 | const wxPoint& pos, |
| 62 | const wxSize& size, |
| 63 | int n, |
| 64 | const wxString choices[], |
| 65 | long style, |
| 66 | const wxValidator& validator, |
| 67 | const wxString& name ) |
| 68 | { |
| 69 | m_macIsUserPane = false; |
| 70 | |
| 71 | if ( !wxChoiceBase::Create( parent, id, pos, size, style, validator, name ) ) |
| 72 | return false; |
| 73 | |
| 74 | Rect bounds = wxMacGetBoundsForControl( this , pos , size ); |
| 75 | |
| 76 | m_peer = new wxMacControl( this ) ; |
| 77 | OSStatus err = CreatePopupButtonControl( |
| 78 | MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") , |
| 79 | -12345 , false /* no variable width */ , 0 , 0 , 0 , m_peer->GetControlRefAddr() ); |
| 80 | verify_noerr( err ); |
| 81 | |
| 82 | m_macPopUpMenuHandle = NewUniqueMenu() ; |
| 83 | m_peer->SetData<MenuHandle>( kControlNoPart , kControlPopupButtonMenuHandleTag , (MenuHandle) m_macPopUpMenuHandle ) ; |
| 84 | m_peer->SetValueAndRange( n > 0 ? 1 : 0 , 0 , 0 ); |
| 85 | MacPostControlCreate( pos, size ); |
| 86 | |
| 87 | #if !wxUSE_STL |
| 88 | if ( style & wxCB_SORT ) |
| 89 | // autosort |
| 90 | m_strings = wxArrayString( 1 ); |
| 91 | #endif |
| 92 | |
| 93 | for ( int i = 0; i < n; i++ ) |
| 94 | { |
| 95 | Append( choices[i] ); |
| 96 | } |
| 97 | |
| 98 | // Set the first item as being selected |
| 99 | if (n > 0) |
| 100 | SetSelection( 0 ); |
| 101 | |
| 102 | // Needed because it is a wxControlWithItems |
| 103 | SetBestSize( size ); |
| 104 | |
| 105 | return true; |
| 106 | } |
| 107 | |
| 108 | // ---------------------------------------------------------------------------- |
| 109 | // adding/deleting items to/from the list |
| 110 | // ---------------------------------------------------------------------------- |
| 111 | int wxChoice::DoAppend( const wxString& item ) |
| 112 | { |
| 113 | #if wxUSE_STL |
| 114 | wxArrayString::iterator insertPoint; |
| 115 | unsigned int index; |
| 116 | |
| 117 | if (GetWindowStyle() & wxCB_SORT) |
| 118 | { |
| 119 | insertPoint = std::lower_bound( m_strings.begin(), m_strings.end(), item ); |
| 120 | index = insertPoint - m_strings.begin(); |
| 121 | } |
| 122 | else |
| 123 | { |
| 124 | insertPoint = m_strings.end(); |
| 125 | index = m_strings.size(); |
| 126 | } |
| 127 | |
| 128 | m_strings.insert( insertPoint, item ); |
| 129 | #else |
| 130 | unsigned int index = m_strings.Add( item ); |
| 131 | #endif |
| 132 | |
| 133 | m_datas.Insert( NULL , index ); |
| 134 | UMAInsertMenuItem( MAC_WXHMENU( m_macPopUpMenuHandle ), item, m_font.GetEncoding(), index ); |
| 135 | DoSetItemClientData( index, NULL ); |
| 136 | m_peer->SetMaximum( GetCount() ); |
| 137 | |
| 138 | return index; |
| 139 | } |
| 140 | |
| 141 | int wxChoice::DoInsert( const wxString& item, unsigned int pos ) |
| 142 | { |
| 143 | wxCHECK_MSG( !(GetWindowStyle() & wxCB_SORT), -1, wxT("wxChoice::DoInsert: can't insert into sorted list") ); |
| 144 | wxCHECK_MSG( IsValidInsert(pos), -1, wxT("wxChoice::DoInsert: invalid index") ); |
| 145 | |
| 146 | if (pos == GetCount()) |
| 147 | return DoAppend( item ); |
| 148 | |
| 149 | UMAInsertMenuItem( MAC_WXHMENU( m_macPopUpMenuHandle ), item, m_font.GetEncoding(), pos ); |
| 150 | m_strings.Insert( item, pos ); |
| 151 | m_datas.Insert( NULL, pos ); |
| 152 | DoSetItemClientData( pos, NULL ); |
| 153 | m_peer->SetMaximum( GetCount() ); |
| 154 | |
| 155 | return pos; |
| 156 | } |
| 157 | |
| 158 | void wxChoice::Delete(unsigned int n) |
| 159 | { |
| 160 | wxCHECK_RET( IsValid(n) , wxT("wxChoice::Delete: invalid index") ); |
| 161 | |
| 162 | if ( HasClientObjectData() ) |
| 163 | delete GetClientObject( n ); |
| 164 | |
| 165 | ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , n + 1 ) ; |
| 166 | m_strings.RemoveAt( n ) ; |
| 167 | m_datas.RemoveAt( n ) ; |
| 168 | m_peer->SetMaximum( GetCount() ) ; |
| 169 | } |
| 170 | |
| 171 | void wxChoice::Clear() |
| 172 | { |
| 173 | FreeData(); |
| 174 | for ( unsigned int i = 0 ; i < GetCount() ; i++ ) |
| 175 | { |
| 176 | ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , 1 ) ; |
| 177 | } |
| 178 | |
| 179 | m_strings.Empty() ; |
| 180 | m_datas.Empty() ; |
| 181 | m_peer->SetMaximum( 0 ) ; |
| 182 | } |
| 183 | |
| 184 | void wxChoice::FreeData() |
| 185 | { |
| 186 | if ( HasClientObjectData() ) |
| 187 | { |
| 188 | unsigned int count = GetCount(); |
| 189 | for ( unsigned int n = 0; n < count; n++ ) |
| 190 | { |
| 191 | delete GetClientObject( n ); |
| 192 | } |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | // ---------------------------------------------------------------------------- |
| 197 | // selection |
| 198 | // ---------------------------------------------------------------------------- |
| 199 | int wxChoice::GetSelection() const |
| 200 | { |
| 201 | return m_peer->GetValue() - 1 ; |
| 202 | } |
| 203 | |
| 204 | void wxChoice::SetSelection( int n ) |
| 205 | { |
| 206 | m_peer->SetValue( n + 1 ) ; |
| 207 | } |
| 208 | |
| 209 | // ---------------------------------------------------------------------------- |
| 210 | // string list functions |
| 211 | // ---------------------------------------------------------------------------- |
| 212 | |
| 213 | unsigned int wxChoice::GetCount() const |
| 214 | { |
| 215 | return m_strings.GetCount() ; |
| 216 | } |
| 217 | |
| 218 | int wxChoice::FindString( const wxString& s, bool bCase ) const |
| 219 | { |
| 220 | #if !wxUSE_STL |
| 221 | // Avoid assert for non-default args passed to sorted array Index |
| 222 | if ( HasFlag(wxCB_SORT) ) |
| 223 | bCase = true; |
| 224 | #endif |
| 225 | |
| 226 | return m_strings.Index( s , bCase ) ; |
| 227 | } |
| 228 | |
| 229 | void wxChoice::SetString(unsigned int n, const wxString& s) |
| 230 | { |
| 231 | wxCHECK_RET( IsValid(n), wxT("wxChoice::SetString(): invalid index") ); |
| 232 | |
| 233 | m_strings[n] = s ; |
| 234 | |
| 235 | // apple menu pos is 1-based |
| 236 | UMASetMenuItemText( MAC_WXHMENU(m_macPopUpMenuHandle) , n + 1 , s , wxFont::GetDefaultEncoding() ) ; |
| 237 | } |
| 238 | |
| 239 | wxString wxChoice::GetString(unsigned int n) const |
| 240 | { |
| 241 | wxCHECK_MSG( IsValid(n), wxEmptyString, wxT("wxChoice::GetString(): invalid index") ); |
| 242 | |
| 243 | return m_strings[n] ; |
| 244 | } |
| 245 | |
| 246 | // ---------------------------------------------------------------------------- |
| 247 | // client data |
| 248 | // ---------------------------------------------------------------------------- |
| 249 | void wxChoice::DoSetItemClientData(unsigned int n, void* clientData) |
| 250 | { |
| 251 | wxCHECK_RET( IsValid(n), wxT("wxChoice::DoSetItemClientData: invalid index") ); |
| 252 | |
| 253 | m_datas[n] = (char*)clientData ; |
| 254 | } |
| 255 | |
| 256 | void * wxChoice::DoGetItemClientData(unsigned int n) const |
| 257 | { |
| 258 | wxCHECK_MSG( IsValid(n), NULL, wxT("wxChoice::DoGetClientData: invalid index") ); |
| 259 | |
| 260 | return (void *)m_datas[n]; |
| 261 | } |
| 262 | |
| 263 | void wxChoice::DoSetItemClientObject(unsigned int n, wxClientData* clientData) |
| 264 | { |
| 265 | DoSetItemClientData(n, clientData); |
| 266 | } |
| 267 | |
| 268 | wxClientData* wxChoice::DoGetItemClientObject(unsigned int n) const |
| 269 | { |
| 270 | return (wxClientData*)DoGetItemClientData( n ) ; |
| 271 | } |
| 272 | |
| 273 | wxInt32 wxChoice::MacControlHit( WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) ) |
| 274 | { |
| 275 | wxCommandEvent event( wxEVT_COMMAND_CHOICE_SELECTED, m_windowId ); |
| 276 | |
| 277 | // actually n should be made sure by the os to be a valid selection, but ... |
| 278 | int n = GetSelection(); |
| 279 | if ( n > -1 ) |
| 280 | { |
| 281 | event.SetInt( n ); |
| 282 | event.SetString( GetStringSelection() ); |
| 283 | event.SetEventObject( this ); |
| 284 | |
| 285 | if ( HasClientObjectData() ) |
| 286 | event.SetClientObject( GetClientObject( n ) ); |
| 287 | else if ( HasClientUntypedData() ) |
| 288 | event.SetClientData( GetClientData( n ) ); |
| 289 | |
| 290 | ProcessCommand( event ); |
| 291 | } |
| 292 | |
| 293 | return noErr ; |
| 294 | } |
| 295 | |
| 296 | wxSize wxChoice::DoGetBestSize() const |
| 297 | { |
| 298 | int lbWidth = GetCount() > 0 ? 20 : 100; // some defaults |
| 299 | int lbHeight = 20; |
| 300 | int wLine; |
| 301 | |
| 302 | #if TARGET_CARBON |
| 303 | long metric ; |
| 304 | |
| 305 | GetThemeMetric( kThemeMetricPopupButtonHeight , &metric ); |
| 306 | lbHeight = metric ; |
| 307 | #endif |
| 308 | |
| 309 | { |
| 310 | wxMacPortStateHelper st( UMAGetWindowPort( (WindowRef) MacGetTopLevelWindowRef() ) ) ; |
| 311 | if ( m_font.Ok() ) |
| 312 | { |
| 313 | ::TextFont( m_font.MacGetFontNum() ) ; |
| 314 | ::TextSize( m_font.MacGetFontSize() ) ; |
| 315 | ::TextFace( m_font.MacGetFontStyle() ) ; |
| 316 | } |
| 317 | else |
| 318 | { |
| 319 | ::TextFont( kFontIDMonaco ) ; |
| 320 | ::TextSize( 9 ) ; |
| 321 | ::TextFace( 0 ) ; |
| 322 | } |
| 323 | |
| 324 | // Find the widest line |
| 325 | for(unsigned int i = 0; i < GetCount(); i++) |
| 326 | { |
| 327 | wxString str(GetString(i)); |
| 328 | |
| 329 | #if wxUSE_UNICODE |
| 330 | Point bounds = { 0, 0 } ; |
| 331 | SInt16 baseline ; |
| 332 | |
| 333 | ::GetThemeTextDimensions( wxMacCFStringHolder( str , m_font.GetEncoding() ) , |
| 334 | kThemeCurrentPortFont, |
| 335 | kThemeStateActive, |
| 336 | false, |
| 337 | &bounds, |
| 338 | &baseline ); |
| 339 | |
| 340 | wLine = bounds.h ; |
| 341 | #else |
| 342 | wLine = ::TextWidth( str.c_str() , 0 , str.length() ) ; |
| 343 | #endif |
| 344 | |
| 345 | lbWidth = wxMax( lbWidth, wLine ) ; |
| 346 | } |
| 347 | |
| 348 | // Add room for the popup arrow |
| 349 | lbWidth += 2 * lbHeight ; |
| 350 | |
| 351 | // And just a bit more |
| 352 | int cx = ::TextWidth( "X" , 0 , 1 ) ; |
| 353 | lbWidth += cx ; |
| 354 | } |
| 355 | |
| 356 | return wxSize( lbWidth, lbHeight ); |
| 357 | } |
| 358 | |
| 359 | #endif // wxUSE_CHOICE |