| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/osx/carbon/choice.cpp |
| 3 | // Purpose: wxChoice |
| 4 | // Author: Stefan Csomor |
| 5 | // Modified by: |
| 6 | // Created: 1998-01-01 |
| 7 | // RCS-ID: $Id: choice.cpp 54129 2008-06-11 19:30:52Z SC $ |
| 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 | #include "wx/dcclient.h" |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/osx/private.h" |
| 24 | |
| 25 | IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControlWithItems) |
| 26 | |
| 27 | wxChoice::~wxChoice() |
| 28 | { |
| 29 | if ( HasClientObjectData() ) |
| 30 | { |
| 31 | unsigned int i, max = GetCount(); |
| 32 | |
| 33 | for ( i = 0; i < max; ++i ) |
| 34 | delete GetClientObject( i ); |
| 35 | } |
| 36 | delete m_popUpMenu; |
| 37 | } |
| 38 | |
| 39 | bool wxChoice::Create(wxWindow *parent, |
| 40 | wxWindowID id, |
| 41 | const wxPoint& pos, |
| 42 | const wxSize& size, |
| 43 | const wxArrayString& choices, |
| 44 | long style, |
| 45 | const wxValidator& validator, |
| 46 | const wxString& name ) |
| 47 | { |
| 48 | if ( !Create( parent, id, pos, size, 0, NULL, style, validator, name ) ) |
| 49 | return false; |
| 50 | |
| 51 | Append( choices ); |
| 52 | |
| 53 | if ( !choices.empty() ) |
| 54 | SetSelection( 0 ); |
| 55 | |
| 56 | SetInitialSize( size ); |
| 57 | |
| 58 | return true; |
| 59 | } |
| 60 | |
| 61 | bool wxChoice::Create(wxWindow *parent, |
| 62 | wxWindowID id, |
| 63 | const wxPoint& pos, |
| 64 | const wxSize& size, |
| 65 | int n, |
| 66 | const wxString choices[], |
| 67 | long style, |
| 68 | const wxValidator& validator, |
| 69 | const wxString& name ) |
| 70 | { |
| 71 | m_macIsUserPane = false; |
| 72 | |
| 73 | if ( !wxChoiceBase::Create( parent, id, pos, size, style, validator, name ) ) |
| 74 | return false; |
| 75 | |
| 76 | m_popUpMenu = new wxMenu(); |
| 77 | m_popUpMenu->SetNoEventsMode(true); |
| 78 | |
| 79 | m_peer = wxWidgetImpl::CreateChoice( this, parent, id, m_popUpMenu, pos, size, style, GetExtraStyle() ); |
| 80 | |
| 81 | MacPostControlCreate( pos, size ); |
| 82 | |
| 83 | #if !wxUSE_STL |
| 84 | if ( style & wxCB_SORT ) |
| 85 | // autosort |
| 86 | m_strings = wxArrayString( 1 ); |
| 87 | #endif |
| 88 | |
| 89 | Append(n, choices); |
| 90 | |
| 91 | // Set the first item as being selected |
| 92 | if (n > 0) |
| 93 | SetSelection( 0 ); |
| 94 | |
| 95 | // Needed because it is a wxControlWithItems |
| 96 | SetInitialSize( size ); |
| 97 | |
| 98 | return true; |
| 99 | } |
| 100 | |
| 101 | // ---------------------------------------------------------------------------- |
| 102 | // adding/deleting items to/from the list |
| 103 | // ---------------------------------------------------------------------------- |
| 104 | |
| 105 | int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items, |
| 106 | unsigned int pos, |
| 107 | void **clientData, wxClientDataType type) |
| 108 | { |
| 109 | const unsigned int numItems = items.GetCount(); |
| 110 | for( unsigned int i = 0; i < numItems; ++i, ++pos ) |
| 111 | { |
| 112 | unsigned int idx; |
| 113 | |
| 114 | #if wxUSE_STL |
| 115 | if ( IsSorted() ) |
| 116 | { |
| 117 | wxArrayString::iterator |
| 118 | insertPoint = std::lower_bound( m_strings.begin(), m_strings.end(), items[i] ); |
| 119 | idx = insertPoint - m_strings.begin(); |
| 120 | m_strings.insert( insertPoint, items[i] ); |
| 121 | } |
| 122 | else |
| 123 | #endif // wxUSE_STL |
| 124 | { |
| 125 | idx = pos; |
| 126 | m_strings.Insert( items[i], idx ); |
| 127 | } |
| 128 | |
| 129 | m_popUpMenu->Insert( idx, i+1, items[i] ); |
| 130 | m_datas.Insert( NULL, idx ); |
| 131 | AssignNewItemClientData(idx, clientData, i, type); |
| 132 | } |
| 133 | |
| 134 | m_peer->SetMaximum( GetCount() ); |
| 135 | |
| 136 | return pos - 1; |
| 137 | } |
| 138 | |
| 139 | void wxChoice::DoDeleteOneItem(unsigned int n) |
| 140 | { |
| 141 | wxCHECK_RET( IsValid(n) , wxT("wxChoice::Delete: invalid index") ); |
| 142 | |
| 143 | if ( HasClientObjectData() ) |
| 144 | delete GetClientObject( n ); |
| 145 | |
| 146 | m_popUpMenu->Delete( m_popUpMenu->FindItemByPosition( n ) ); |
| 147 | |
| 148 | m_strings.RemoveAt( n ) ; |
| 149 | m_datas.RemoveAt( n ) ; |
| 150 | m_peer->SetMaximum( GetCount() ) ; |
| 151 | |
| 152 | } |
| 153 | |
| 154 | void wxChoice::DoClear() |
| 155 | { |
| 156 | for ( unsigned int i = 0 ; i < GetCount() ; i++ ) |
| 157 | { |
| 158 | m_popUpMenu->Delete( m_popUpMenu->FindItemByPosition( 0 ) ); |
| 159 | } |
| 160 | |
| 161 | m_strings.Empty() ; |
| 162 | m_datas.Empty() ; |
| 163 | |
| 164 | m_peer->SetMaximum( 0 ) ; |
| 165 | } |
| 166 | |
| 167 | // ---------------------------------------------------------------------------- |
| 168 | // selection |
| 169 | // ---------------------------------------------------------------------------- |
| 170 | int wxChoice::GetSelection() const |
| 171 | { |
| 172 | return m_peer->GetValue(); |
| 173 | } |
| 174 | |
| 175 | void wxChoice::SetSelection( int n ) |
| 176 | { |
| 177 | m_peer->SetValue( n ); |
| 178 | } |
| 179 | |
| 180 | // ---------------------------------------------------------------------------- |
| 181 | // string list functions |
| 182 | // ---------------------------------------------------------------------------- |
| 183 | |
| 184 | unsigned int wxChoice::GetCount() const |
| 185 | { |
| 186 | return m_strings.GetCount() ; |
| 187 | } |
| 188 | |
| 189 | int wxChoice::FindString( const wxString& s, bool bCase ) const |
| 190 | { |
| 191 | #if !wxUSE_STL |
| 192 | // Avoid assert for non-default args passed to sorted array Index |
| 193 | if ( IsSorted() ) |
| 194 | bCase = true; |
| 195 | #endif |
| 196 | |
| 197 | return m_strings.Index( s , bCase ) ; |
| 198 | } |
| 199 | |
| 200 | void wxChoice::SetString(unsigned int n, const wxString& s) |
| 201 | { |
| 202 | wxCHECK_RET( IsValid(n), wxT("wxChoice::SetString(): invalid index") ); |
| 203 | |
| 204 | m_strings[n] = s ; |
| 205 | |
| 206 | m_popUpMenu->FindItemByPosition( n )->SetItemLabel( s ) ; |
| 207 | } |
| 208 | |
| 209 | wxString wxChoice::GetString(unsigned int n) const |
| 210 | { |
| 211 | wxCHECK_MSG( IsValid(n), wxEmptyString, wxT("wxChoice::GetString(): invalid index") ); |
| 212 | |
| 213 | return m_strings[n] ; |
| 214 | } |
| 215 | |
| 216 | // ---------------------------------------------------------------------------- |
| 217 | // client data |
| 218 | // ---------------------------------------------------------------------------- |
| 219 | void wxChoice::DoSetItemClientData(unsigned int n, void* clientData) |
| 220 | { |
| 221 | wxCHECK_RET( IsValid(n), wxT("wxChoice::DoSetItemClientData: invalid index") ); |
| 222 | |
| 223 | m_datas[n] = (char*)clientData ; |
| 224 | } |
| 225 | |
| 226 | void * wxChoice::DoGetItemClientData(unsigned int n) const |
| 227 | { |
| 228 | wxCHECK_MSG( IsValid(n), NULL, wxT("wxChoice::DoGetClientData: invalid index") ); |
| 229 | |
| 230 | return (void *)m_datas[n]; |
| 231 | } |
| 232 | |
| 233 | bool wxChoice::OSXHandleClicked( double timestampsec ) |
| 234 | { |
| 235 | wxCommandEvent event( wxEVT_COMMAND_CHOICE_SELECTED, m_windowId ); |
| 236 | |
| 237 | // actually n should be made sure by the os to be a valid selection, but ... |
| 238 | int n = GetSelection(); |
| 239 | if ( n > -1 ) |
| 240 | { |
| 241 | event.SetInt( n ); |
| 242 | event.SetString( GetStringSelection() ); |
| 243 | event.SetEventObject( this ); |
| 244 | |
| 245 | if ( HasClientObjectData() ) |
| 246 | event.SetClientObject( GetClientObject( n ) ); |
| 247 | else if ( HasClientUntypedData() ) |
| 248 | event.SetClientData( GetClientData( n ) ); |
| 249 | |
| 250 | ProcessCommand( event ); |
| 251 | } |
| 252 | |
| 253 | return true ; |
| 254 | } |
| 255 | |
| 256 | wxSize wxChoice::DoGetBestSize() const |
| 257 | { |
| 258 | int lbWidth = GetCount() > 0 ? 20 : 100; // some defaults |
| 259 | int lbHeight = 20; |
| 260 | int wLine; |
| 261 | |
| 262 | { |
| 263 | wxClientDC dc(const_cast<wxChoice*>(this)); |
| 264 | |
| 265 | // Find the widest line |
| 266 | for(unsigned int i = 0; i < GetCount(); i++) |
| 267 | { |
| 268 | wxString str(GetString(i)); |
| 269 | |
| 270 | wxCoord width, height ; |
| 271 | dc.GetTextExtent( str , &width, &height); |
| 272 | wLine = width ; |
| 273 | |
| 274 | lbWidth = wxMax( lbWidth, wLine ) ; |
| 275 | } |
| 276 | |
| 277 | // Add room for the popup arrow |
| 278 | lbWidth += 2 * lbHeight ; |
| 279 | |
| 280 | wxCoord width, height ; |
| 281 | dc.GetTextExtent( wxT("X"), &width, &height); |
| 282 | int cx = width ; |
| 283 | lbHeight += 4; |
| 284 | |
| 285 | lbWidth += cx ; |
| 286 | } |
| 287 | |
| 288 | return wxSize( lbWidth, lbHeight ); |
| 289 | } |
| 290 | |
| 291 | #endif // wxUSE_CHOICE |