X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/59396417d3285f933762d252d33ed095e6ffe299..575cabba69600557a34a08ddefad66628296ffad:/src/msw/textentry.cpp diff --git a/src/msw/textentry.cpp b/src/msw/textentry.cpp index 5e38009dde..b763b5de8e 100644 --- a/src/msw/textentry.cpp +++ b/src/msw/textentry.cpp @@ -24,6 +24,7 @@ #endif #ifndef WX_PRECOMP + #include "wx/arrstr.h" #include "wx/string.h" #endif // WX_PRECOMP @@ -34,16 +35,146 @@ #include "wx/msw/private.h" +#define GetEditHwnd() ((HWND)(GetEditHWND())) + +// ---------------------------------------------------------------------------- +// wxIEnumString implements IEnumString interface +// ---------------------------------------------------------------------------- + +// standard VC6 SDK (WINVER == 0x0400) does not know about IAutoComplete +#if wxUSE_OLE && (WINVER >= 0x0500) + #define HAS_AUTOCOMPLETE +#endif + +#ifdef HAS_AUTOCOMPLETE + +#include "wx/msw/ole/oleutils.h" +#include + +#if defined(__MINGW32__) || defined (__WATCOMC__) + // needed for IID_IAutoComplete, IID_IAutoComplete2 and ACO_AUTOSUGGEST + #include +#endif + +#ifndef ACO_UPDOWNKEYDROPSLIST + #define ACO_UPDOWNKEYDROPSLIST 0x20 +#endif + #ifndef SHACF_FILESYS_ONLY #define SHACF_FILESYS_ONLY 0x00000010 #endif -#define GetEditHwnd() ((HWND)(GetEditHWND())) +DEFINE_GUID(CLSID_AutoComplete, + 0x00bb2763, 0x6a77, 0x11d0, 0xa5, 0x35, 0x00, 0xc0, 0x4f, 0xd7, 0xd0, 0x62); + +class wxIEnumString : public IEnumString +{ +public: + wxIEnumString(const wxArrayString& strings) : m_strings(strings) + { + m_index = 0; + } + + DECLARE_IUNKNOWN_METHODS; + + virtual HRESULT STDMETHODCALLTYPE Next(ULONG celt, + LPOLESTR *rgelt, + ULONG *pceltFetched) + { + if ( !rgelt || (!pceltFetched && celt > 1) ) + return E_POINTER; + + ULONG pceltFetchedDummy; + if ( !pceltFetched ) + pceltFetched = &pceltFetchedDummy; + + *pceltFetched = 0; + + for ( const unsigned count = m_strings.size(); celt--; ++m_index ) + { + if ( m_index == count ) + return S_FALSE; + + const wxWX2WCbuf wcbuf = m_strings[m_index].wc_str(); + const size_t size = (wcslen(wcbuf) + 1)*sizeof(wchar_t); + void *olestr = CoTaskMemAlloc(size); + if ( !olestr ) + return E_OUTOFMEMORY; + + memcpy(olestr, wcbuf, size); + + *rgelt++ = wx_static_cast(LPOLESTR, olestr); + + ++(*pceltFetched); + } + + return S_OK; + } + + virtual HRESULT STDMETHODCALLTYPE Skip(ULONG celt) + { + m_index += celt; + if ( m_index > m_strings.size() ) + { + m_index = m_strings.size(); + return S_FALSE; + } + + return S_OK; + } + + virtual HRESULT STDMETHODCALLTYPE Reset() + { + m_index = 0; + + return S_OK; + } + + virtual HRESULT STDMETHODCALLTYPE Clone(IEnumString **ppEnum) + { + if ( !ppEnum ) + return E_POINTER; + + wxIEnumString *e = new wxIEnumString(m_strings); + e->m_index = m_index; + + e->AddRef(); + *ppEnum = e; + + return S_OK; + } + +private: + // dtor doesn't have to be virtual as we're only ever deleted from our own + // Release() and are not meant to be derived form anyhow, but making it + // virtual silences gcc warnings; making it private makes it impossible to + // (mistakenly) delete us directly instead of calling Release() + virtual ~wxIEnumString() { } + + + const wxArrayString m_strings; + unsigned m_index; + + DECLARE_NO_COPY_CLASS(wxIEnumString) +}; + +BEGIN_IID_TABLE(wxIEnumString) + ADD_IID(Unknown) + ADD_IID(EnumString) +END_IID_TABLE; + +IMPLEMENT_IUNKNOWN_METHODS(wxIEnumString) + +#endif // HAS_AUTOCOMPLETE // ============================================================================ // wxTextEntry implementation // ============================================================================ +// ---------------------------------------------------------------------------- +// operations on text +// ---------------------------------------------------------------------------- + void wxTextEntry::WriteText(const wxString& text) { ::SendMessage(GetEditHwnd(), EM_REPLACESEL, 0, (LPARAM)text.wx_str()); @@ -60,6 +191,10 @@ void wxTextEntry::Remove(long from, long to) WriteText(wxString()); } +// ---------------------------------------------------------------------------- +// clipboard operations +// ---------------------------------------------------------------------------- + void wxTextEntry::Copy() { ::SendMessage(GetEditHwnd(), WM_COPY, 0, 0); @@ -75,6 +210,10 @@ void wxTextEntry::Paste() ::SendMessage(GetEditHwnd(), WM_PASTE, 0, 0); } +// ---------------------------------------------------------------------------- +// undo/redo +// ---------------------------------------------------------------------------- + void wxTextEntry::Undo() { ::SendMessage(GetEditHwnd(), EM_UNDO, 0, 0); @@ -98,6 +237,10 @@ bool wxTextEntry::CanRedo() const return CanUndo(); } +// ---------------------------------------------------------------------------- +// insertion point and selection +// ---------------------------------------------------------------------------- + void wxTextEntry::SetInsertionPoint(long pos) { // be careful to call DoSetSelection() which is overridden in wxTextCtrl @@ -140,16 +283,19 @@ void wxTextEntry::GetSelection(long *from, long *to) const *to = dwEnd; } +// ---------------------------------------------------------------------------- +// auto-completion +// ---------------------------------------------------------------------------- + bool wxTextEntry::AutoCompleteFileNames() { +#ifdef HAS_AUTOCOMPLETE typedef HRESULT (WINAPI *SHAutoComplete_t)(HWND, DWORD); static SHAutoComplete_t s_pfnSHAutoComplete = (SHAutoComplete_t)-1; static wxDynamicLibrary s_dllShlwapi; if ( s_pfnSHAutoComplete == (SHAutoComplete_t)-1 ) { - wxLogNull noLog; - - if ( !s_dllShlwapi.Load(_T("shlwapi.dll"), wxDL_VERBATIM) ) + if ( !s_dllShlwapi.Load(_T("shlwapi.dll"), wxDL_VERBATIM | wxDL_QUIET) ) { s_pfnSHAutoComplete = NULL; } @@ -169,10 +315,74 @@ bool wxTextEntry::AutoCompleteFileNames() return false; } + return true; +#else // !HAS_AUTOCOMPLETE + return false; +#endif // HAS_AUTOCOMPLETE/!HAS_AUTOCOMPLETE +} + +bool wxTextEntry::AutoComplete(const wxArrayString& choices) +{ +#ifdef HAS_AUTOCOMPLETE + // create an object exposing IAutoComplete interface (don't go for + // IAutoComplete2 immediately as, presumably, it might be not available on + // older systems as otherwise why do we have both -- although in practice I + // don't know when can this happen) + IAutoComplete *pAutoComplete = NULL; + HRESULT hr = CoCreateInstance + ( + CLSID_AutoComplete, + NULL, + CLSCTX_INPROC_SERVER, + IID_IAutoComplete, + wx_reinterpret_cast(void **, &pAutoComplete) + ); + if ( FAILED(hr) ) + { + wxLogApiError(_T("CoCreateInstance(CLSID_AutoComplete)"), hr); + return false; + } + // associate it with our strings + wxIEnumString *pEnumString = new wxIEnumString(choices); + pEnumString->AddRef(); + hr = pAutoComplete->Init(GetEditHwnd(), pEnumString, NULL, NULL); + pEnumString->Release(); + if ( FAILED(hr) ) + { + wxLogApiError(_T("IAutoComplete::Init"), hr); + return false; + } + + // if IAutoComplete2 is available, set more user-friendly options + IAutoComplete2 *pAutoComplete2 = NULL; + hr = pAutoComplete->QueryInterface + ( + IID_IAutoComplete2, + wx_reinterpret_cast(void **, &pAutoComplete2) + ); + if ( SUCCEEDED(hr) ) + { + pAutoComplete2->SetOptions(ACO_AUTOSUGGEST | ACO_UPDOWNKEYDROPSLIST); + pAutoComplete2->Release(); + } + + // the docs are unclear about when can we release it but it seems safe to + // do it immediately, presumably the edit control itself keeps a reference + // to the auto completer object + pAutoComplete->Release(); return true; +#else // !HAS_AUTOCOMPLETE + wxUnusedVar(choices); + + return false; +#endif // HAS_AUTOCOMPLETE/!HAS_AUTOCOMPLETE } +// ---------------------------------------------------------------------------- +// editable state +// ---------------------------------------------------------------------------- + bool wxTextEntry::IsEditable() const { return !(::GetWindowLong(GetEditHwnd(), GWL_STYLE) & ES_READONLY); @@ -183,6 +393,10 @@ void wxTextEntry::SetEditable(bool editable) ::SendMessage(GetEditHwnd(), EM_SETREADONLY, !editable, 0); } +// ---------------------------------------------------------------------------- +// max length +// ---------------------------------------------------------------------------- + void wxTextEntry::SetMaxLength(unsigned long len) { if ( len >= 0xffff )