| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/ctrlsub.cpp |
| 3 | // Purpose: wxItemContainer implementation |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 22.10.99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) wxWidgets team |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_CONTROLS |
| 28 | |
| 29 | #ifndef WX_PRECOMP |
| 30 | #include "wx/ctrlsub.h" |
| 31 | #include "wx/arrstr.h" |
| 32 | #endif |
| 33 | |
| 34 | IMPLEMENT_ABSTRACT_CLASS(wxControlWithItems, wxControl) |
| 35 | |
| 36 | // ============================================================================ |
| 37 | // wxItemContainerImmutable implementation |
| 38 | // ============================================================================ |
| 39 | |
| 40 | wxItemContainerImmutable::~wxItemContainerImmutable() |
| 41 | { |
| 42 | // this destructor is required for Darwin |
| 43 | } |
| 44 | |
| 45 | // ---------------------------------------------------------------------------- |
| 46 | // selection |
| 47 | // ---------------------------------------------------------------------------- |
| 48 | |
| 49 | wxString wxItemContainerImmutable::GetStringSelection() const |
| 50 | { |
| 51 | wxString s; |
| 52 | |
| 53 | int sel = GetSelection(); |
| 54 | if ( sel != wxNOT_FOUND ) |
| 55 | s = GetString((unsigned int)sel); |
| 56 | |
| 57 | return s; |
| 58 | } |
| 59 | |
| 60 | bool wxItemContainerImmutable::SetStringSelection(const wxString& s) |
| 61 | { |
| 62 | const int sel = FindString(s); |
| 63 | if ( sel == wxNOT_FOUND ) |
| 64 | return false; |
| 65 | |
| 66 | SetSelection(sel); |
| 67 | |
| 68 | return true; |
| 69 | } |
| 70 | |
| 71 | wxArrayString wxItemContainerImmutable::GetStrings() const |
| 72 | { |
| 73 | wxArrayString result; |
| 74 | |
| 75 | const unsigned int count = GetCount(); |
| 76 | result.Alloc(count); |
| 77 | for ( unsigned int n = 0; n < count; n++ ) |
| 78 | result.Add(GetString(n)); |
| 79 | |
| 80 | return result; |
| 81 | } |
| 82 | |
| 83 | // ============================================================================ |
| 84 | // wxItemContainer implementation |
| 85 | // ============================================================================ |
| 86 | |
| 87 | wxItemContainer::~wxItemContainer() |
| 88 | { |
| 89 | // this destructor is required for Darwin |
| 90 | } |
| 91 | |
| 92 | // ---------------------------------------------------------------------------- |
| 93 | // deleting items |
| 94 | // ---------------------------------------------------------------------------- |
| 95 | |
| 96 | void wxItemContainer::Clear() |
| 97 | { |
| 98 | if ( HasClientObjectData() ) |
| 99 | { |
| 100 | const unsigned count = GetCount(); |
| 101 | for ( unsigned i = 0; i < count; ++i ) |
| 102 | ResetItemClientObject(i); |
| 103 | } |
| 104 | |
| 105 | SetClientDataType(wxClientData_None); |
| 106 | |
| 107 | DoClear(); |
| 108 | } |
| 109 | |
| 110 | void wxItemContainer::Delete(unsigned int pos) |
| 111 | { |
| 112 | wxCHECK_RET( pos < GetCount(), wxT("invalid index") ); |
| 113 | |
| 114 | if ( HasClientObjectData() ) |
| 115 | ResetItemClientObject(pos); |
| 116 | |
| 117 | DoDeleteOneItem(pos); |
| 118 | |
| 119 | if ( IsEmpty() ) |
| 120 | { |
| 121 | SetClientDataType(wxClientData_None); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | // ---------------------------------------------------------------------------- |
| 126 | // |
| 127 | // ---------------------------------------------------------------------------- |
| 128 | |
| 129 | int wxItemContainer::DoInsertItemsInLoop(const wxArrayStringsAdapter& items, |
| 130 | unsigned int pos, |
| 131 | void **clientData, |
| 132 | wxClientDataType type) |
| 133 | { |
| 134 | int n = wxNOT_FOUND; |
| 135 | |
| 136 | const unsigned int count = items.GetCount(); |
| 137 | for ( unsigned int i = 0; i < count; ++i ) |
| 138 | { |
| 139 | n = DoInsertOneItem(items[i], pos++); |
| 140 | if ( n == wxNOT_FOUND ) |
| 141 | break; |
| 142 | |
| 143 | AssignNewItemClientData(n, clientData, i, type); |
| 144 | } |
| 145 | |
| 146 | return n; |
| 147 | } |
| 148 | |
| 149 | int |
| 150 | wxItemContainer::DoInsertOneItem(const wxString& WXUNUSED(item), |
| 151 | unsigned int WXUNUSED(pos)) |
| 152 | { |
| 153 | wxFAIL_MSG( wxT("Must be overridden if DoInsertItemsInLoop() is used") ); |
| 154 | |
| 155 | return wxNOT_FOUND; |
| 156 | } |
| 157 | |
| 158 | |
| 159 | // ---------------------------------------------------------------------------- |
| 160 | // client data |
| 161 | // ---------------------------------------------------------------------------- |
| 162 | |
| 163 | void wxItemContainer::SetClientObject(unsigned int n, wxClientData *data) |
| 164 | { |
| 165 | wxASSERT_MSG( !HasClientUntypedData(), |
| 166 | wxT("can't have both object and void client data") ); |
| 167 | |
| 168 | wxCHECK_RET( IsValid(n), "Invalid index passed to SetClientObject()" ); |
| 169 | |
| 170 | if ( HasClientObjectData() ) |
| 171 | { |
| 172 | wxClientData * clientDataOld |
| 173 | = static_cast<wxClientData *>(DoGetItemClientData(n)); |
| 174 | if ( clientDataOld ) |
| 175 | delete clientDataOld; |
| 176 | } |
| 177 | else // didn't have any client data so far |
| 178 | { |
| 179 | // now we have object client data |
| 180 | DoInitItemClientData(); |
| 181 | |
| 182 | SetClientDataType(wxClientData_Object); |
| 183 | } |
| 184 | |
| 185 | DoSetItemClientData(n, data); |
| 186 | } |
| 187 | |
| 188 | wxClientData *wxItemContainer::GetClientObject(unsigned int n) const |
| 189 | { |
| 190 | wxCHECK_MSG( HasClientObjectData(), NULL, |
| 191 | wxT("this window doesn't have object client data") ); |
| 192 | |
| 193 | wxCHECK_MSG( IsValid(n), NULL, |
| 194 | "Invalid index passed to GetClientObject()" ); |
| 195 | |
| 196 | return static_cast<wxClientData *>(DoGetItemClientData(n)); |
| 197 | } |
| 198 | |
| 199 | wxClientData *wxItemContainer::DetachClientObject(unsigned int n) |
| 200 | { |
| 201 | wxClientData * const data = GetClientObject(n); |
| 202 | if ( data ) |
| 203 | { |
| 204 | // reset the pointer as we don't own it any more |
| 205 | DoSetItemClientData(n, NULL); |
| 206 | } |
| 207 | |
| 208 | return data; |
| 209 | } |
| 210 | |
| 211 | void wxItemContainer::SetClientData(unsigned int n, void *data) |
| 212 | { |
| 213 | if ( !HasClientData() ) |
| 214 | { |
| 215 | DoInitItemClientData(); |
| 216 | SetClientDataType(wxClientData_Void); |
| 217 | } |
| 218 | |
| 219 | wxASSERT_MSG( HasClientUntypedData(), |
| 220 | wxT("can't have both object and void client data") ); |
| 221 | |
| 222 | wxCHECK_RET( IsValid(n), "Invalid index passed to SetClientData()" ); |
| 223 | |
| 224 | DoSetItemClientData(n, data); |
| 225 | } |
| 226 | |
| 227 | void *wxItemContainer::GetClientData(unsigned int n) const |
| 228 | { |
| 229 | wxCHECK_MSG( HasClientUntypedData(), NULL, |
| 230 | wxT("this window doesn't have void client data") ); |
| 231 | |
| 232 | wxCHECK_MSG( IsValid(n), NULL, |
| 233 | "Invalid index passed to GetClientData()" ); |
| 234 | |
| 235 | return DoGetItemClientData(n); |
| 236 | } |
| 237 | |
| 238 | void wxItemContainer::AssignNewItemClientData(unsigned int pos, |
| 239 | void **clientData, |
| 240 | unsigned int n, |
| 241 | wxClientDataType type) |
| 242 | { |
| 243 | switch ( type ) |
| 244 | { |
| 245 | case wxClientData_Object: |
| 246 | SetClientObject |
| 247 | ( |
| 248 | pos, |
| 249 | (reinterpret_cast<wxClientData **>(clientData))[n] |
| 250 | ); |
| 251 | break; |
| 252 | |
| 253 | case wxClientData_Void: |
| 254 | SetClientData(pos, clientData[n]); |
| 255 | break; |
| 256 | |
| 257 | default: |
| 258 | wxFAIL_MSG( wxT("unknown client data type") ); |
| 259 | // fall through |
| 260 | |
| 261 | case wxClientData_None: |
| 262 | // nothing to do |
| 263 | break; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | void wxItemContainer::ResetItemClientObject(unsigned int n) |
| 268 | { |
| 269 | wxClientData * const data = GetClientObject(n); |
| 270 | if ( data ) |
| 271 | { |
| 272 | delete data; |
| 273 | DoSetItemClientData(n, NULL); |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | // ============================================================================ |
| 278 | // wxControlWithItems implementation |
| 279 | // ============================================================================ |
| 280 | |
| 281 | void |
| 282 | wxControlWithItemsBase::InitCommandEventWithItems(wxCommandEvent& event, int n) |
| 283 | { |
| 284 | InitCommandEvent(event); |
| 285 | |
| 286 | if ( n != wxNOT_FOUND ) |
| 287 | { |
| 288 | if ( HasClientObjectData() ) |
| 289 | event.SetClientObject(GetClientObject(n)); |
| 290 | else if ( HasClientUntypedData() ) |
| 291 | event.SetClientData(GetClientData(n)); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | #endif // wxUSE_CONTROLS |