X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c9f7896861f734ce044ee8601ba2d8a6959c9d9e..6cab4fcac7fe26d9ae5a1d29066e0893d689bb38:/src/msw/choice.cpp?ds=sidebyside diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp index e7d100a954..14a10703bc 100644 --- a/src/msw/choice.cpp +++ b/src/msw/choice.cpp @@ -158,6 +158,21 @@ bool wxChoice::CreateAndInit(wxWindow *parent, return true; } +void wxChoice::SetLabel(const wxString& label) +{ + if ( FindString(label) == wxNOT_FOUND ) + { + // unless we explicitly do this here, CB_GETCURSEL will continue to + // return the index of the previously selected item which will result + // in wrongly replacing the value being set now with the previously + // value if the user simply opens and closes (without selecting + // anything) the combobox popup + SetSelection(-1); + } + + wxChoiceBase::SetLabel(label); +} + bool wxChoice::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, @@ -211,63 +226,56 @@ WXDWORD wxChoice::MSWGetStyle(long style, WXDWORD *exstyle) const wxChoice::~wxChoice() { - Free(); + Clear(); } // ---------------------------------------------------------------------------- // adding/deleting items to/from the list // ---------------------------------------------------------------------------- -int wxChoice::DoAppend(const wxString& item) +int wxChoice::DoInsertItems(const wxArrayStringsAdapter& items, + unsigned int pos, + void **clientData, wxClientDataType type) { - int n = (int)SendMessage(GetHwnd(), CB_ADDSTRING, 0, - (LPARAM)item.wx_str()); - if ( n == CB_ERR ) - { - wxLogLastError(wxT("SendMessage(CB_ADDSTRING)")); - } - else // ok - { - // we need to refresh our size in order to have enough space for the - // newly added items - if ( !IsFrozen() ) - UpdateVisibleHeight(); - } + MSWAllocStorage(items, CB_INITSTORAGE); - InvalidateBestSize(); - return n; -} + const bool append = pos == GetCount(); -int wxChoice::DoInsert(const wxString& item, unsigned int pos) -{ - wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list")); - wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index")); + // use CB_ADDSTRING when appending at the end to make sure the control is + // resorted if it has wxCB_SORT style + const unsigned msg = append ? CB_ADDSTRING : CB_INSERTSTRING; - int n = (int)SendMessage(GetHwnd(), CB_INSERTSTRING, pos, - (LPARAM)item.wx_str()); - if ( n == CB_ERR ) - { - wxLogLastError(wxT("SendMessage(CB_INSERTSTRING)")); - } - else // ok + if ( append ) + pos = 0; + + int n = wxNOT_FOUND; + const unsigned numItems = items.GetCount(); + for ( unsigned i = 0; i < numItems; ++i ) { - if ( !IsFrozen() ) - UpdateVisibleHeight(); + n = MSWInsertOrAppendItem(pos, items[i], msg); + if ( n == wxNOT_FOUND ) + return n; + + if ( !append ) + pos++; + + AssignNewItemClientData(n, clientData, i, type); } + // we need to refresh our size in order to have enough space for the + // newly added items + if ( !IsFrozen() ) + UpdateVisibleHeight(); + InvalidateBestSize(); + return n; } -void wxChoice::Delete(unsigned int n) +void wxChoice::DoDeleteOneItem(unsigned int n) { wxCHECK_RET( IsValid(n), wxT("invalid item index in wxChoice::Delete") ); - if ( HasClientObjectData() ) - { - delete GetClientObject(n); - } - SendMessage(GetHwnd(), CB_DELETESTRING, n, 0); if ( !IsFrozen() ) @@ -276,10 +284,8 @@ void wxChoice::Delete(unsigned int n) InvalidateBestSize(); } -void wxChoice::Clear() +void wxChoice::DoClear() { - Free(); - SendMessage(GetHwnd(), CB_RESETCONTENT, 0, 0); if ( !IsFrozen() ) @@ -288,18 +294,6 @@ void wxChoice::Clear() InvalidateBestSize(); } -void wxChoice::Free() -{ - if ( HasClientObjectData() ) - { - unsigned int count = GetCount(); - for ( unsigned int n = 0; n < count; n++ ) - { - delete GetClientObject(n); - } - } -} - // ---------------------------------------------------------------------------- // selection // ---------------------------------------------------------------------------- @@ -384,25 +378,22 @@ void wxChoice::SetString(unsigned int n, const wxString& s) // we have to delete and add back the string as there is no way to change a // string in place - // we need to preserve the client data - void *data; - if ( m_clientDataItemsType != wxClientData_None ) - { - data = DoGetItemClientData(n); - } - else // no client data - { - data = NULL; - } + // we need to preserve the client data manually + void *oldData = NULL; + wxClientData *oldObjData = NULL; + if ( HasClientUntypedData() ) + oldData = GetClientData(n); + else if ( HasClientObjectData() ) + oldObjData = GetClientObject(n); ::SendMessage(GetHwnd(), CB_DELETESTRING, n, 0); ::SendMessage(GetHwnd(), CB_INSERTSTRING, n, (LPARAM)s.wx_str() ); - if ( data ) - { - DoSetItemClientData(n, data); - } - //else: it's already NULL by default + // restore the client data + if ( oldData ) + SetClientData(n, oldData); + else if ( oldObjData ) + SetClientObject(n, oldObjData); InvalidateBestSize(); } @@ -456,16 +447,6 @@ void* wxChoice::DoGetItemClientData(unsigned int n) const return (void *)rc; } -void wxChoice::DoSetItemClientObject(unsigned int n, wxClientData* clientData) -{ - DoSetItemClientData(n, clientData); -} - -wxClientData* wxChoice::DoGetItemClientObject(unsigned int n) const -{ - return (wxClientData *)DoGetItemClientData(n); -} - // ---------------------------------------------------------------------------- // wxMSW specific helpers // ----------------------------------------------------------------------------