ignore WinCE projects and build directories

[wxWidgets.git] / src / msw / textentry.cpp

diff --git a/src/msw/textentry.cpp b/src/msw/textentry.cpp
index a63871e6bebade513b6f030fc252054dc1033761..b763b5de8e9051f460441b936932a61e7d2be0a7 100644 (file)
--- a/src/msw/textentry.cpp
+++ b/src/msw/textentry.cpp
@@ -24,18 +24,157 @@
 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

+    #include "wx/arrstr.h"
+    #include "wx/string.h"

 #endif // WX_PRECOMP
 
 #endif // WX_PRECOMP
 

+#if wxUSE_TEXTCTRL || wxUSE_COMBOBOX
+

 #include "wx/textentry.h"
 #include "wx/textentry.h"

+#include "wx/dynlib.h"

 
 #include "wx/msw/private.h"
 
 #define GetEditHwnd() ((HWND)(GetEditHWND()))
 
 
 #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 <shldisp.h>
+
+#if defined(__MINGW32__) || defined (__WATCOMC__)
+    // needed for IID_IAutoComplete, IID_IAutoComplete2 and ACO_AUTOSUGGEST
+    #include <shlguid.h>
+#endif
+
+#ifndef ACO_UPDOWNKEYDROPSLIST
+    #define ACO_UPDOWNKEYDROPSLIST 0x20
+#endif
+
+#ifndef SHACF_FILESYS_ONLY
+    #define SHACF_FILESYS_ONLY 0x00000010
+#endif
+
+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
 // ============================================================================
 
 // ============================================================================
 // wxTextEntry implementation
 // ============================================================================
 

+// ----------------------------------------------------------------------------
+// operations on text
+// ----------------------------------------------------------------------------
+

 void wxTextEntry::WriteText(const wxString& text)
 {
     ::SendMessage(GetEditHwnd(), EM_REPLACESEL, 0, (LPARAM)text.wx_str());
 void wxTextEntry::WriteText(const wxString& text)
 {
     ::SendMessage(GetEditHwnd(), EM_REPLACESEL, 0, (LPARAM)text.wx_str());


@@ -52,6 +191,10 @@ void wxTextEntry::Remove(long from, long to)
     WriteText(wxString());
 }
 
     WriteText(wxString());
 }
 

+// ----------------------------------------------------------------------------
+// clipboard operations
+// ----------------------------------------------------------------------------
+

 void wxTextEntry::Copy()
 {
     ::SendMessage(GetEditHwnd(), WM_COPY, 0, 0);
 void wxTextEntry::Copy()
 {
     ::SendMessage(GetEditHwnd(), WM_COPY, 0, 0);


@@ -67,6 +210,10 @@ void wxTextEntry::Paste()
     ::SendMessage(GetEditHwnd(), WM_PASTE, 0, 0);
 }
 
     ::SendMessage(GetEditHwnd(), WM_PASTE, 0, 0);
 }
 

+// ----------------------------------------------------------------------------
+// undo/redo
+// ----------------------------------------------------------------------------
+

 void wxTextEntry::Undo()
 {
     ::SendMessage(GetEditHwnd(), EM_UNDO, 0, 0);
 void wxTextEntry::Undo()
 {
     ::SendMessage(GetEditHwnd(), EM_UNDO, 0, 0);


@@ -90,6 +237,10 @@ bool wxTextEntry::CanRedo() const
     return CanUndo();
 }
 
     return CanUndo();
 }
 

+// ----------------------------------------------------------------------------
+// insertion point and selection
+// ----------------------------------------------------------------------------
+

 void wxTextEntry::SetInsertionPoint(long pos)
 {
     // be careful to call DoSetSelection() which is overridden in wxTextCtrl
 void wxTextEntry::SetInsertionPoint(long pos)
 {
     // be careful to call DoSetSelection() which is overridden in wxTextCtrl


@@ -132,9 +283,109 @@ void wxTextEntry::GetSelection(long *from, long *to) const
         *to = dwEnd;
 }
 
         *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 )
+    {
+        if ( !s_dllShlwapi.Load(_T("shlwapi.dll"), wxDL_VERBATIM | wxDL_QUIET) )
+        {
+            s_pfnSHAutoComplete = NULL;
+        }
+        else
+        {
+            wxDL_INIT_FUNC(s_pfn, SHAutoComplete, s_dllShlwapi);
+        }
+    }
+
+    if ( !s_pfnSHAutoComplete )
+        return false;
+
+    HRESULT hr = (*s_pfnSHAutoComplete)(GetEditHwnd(), SHACF_FILESYS_ONLY);
+    if ( FAILED(hr) )
+    {
+        wxLogApiError(_T("SHAutoComplete()"), hr);
+
+        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
 {
 bool wxTextEntry::IsEditable() const
 {

-    return (::GetWindowLong(GetEditHwnd(), GWL_STYLE) & ES_READONLY) != 0;
+    return !(::GetWindowLong(GetEditHwnd(), GWL_STYLE) & ES_READONLY);

 }
 
 void wxTextEntry::SetEditable(bool editable)
 }
 
 void wxTextEntry::SetEditable(bool editable)


@@ -142,6 +393,10 @@ void wxTextEntry::SetEditable(bool editable)
     ::SendMessage(GetEditHwnd(), EM_SETREADONLY, !editable, 0);
 }
 
     ::SendMessage(GetEditHwnd(), EM_SETREADONLY, !editable, 0);
 }
 

+// ----------------------------------------------------------------------------
+// max length
+// ----------------------------------------------------------------------------
+

 void wxTextEntry::SetMaxLength(unsigned long len)
 {
     if ( len >= 0xffff )
 void wxTextEntry::SetMaxLength(unsigned long len)
 {
     if ( len >= 0xffff )


@@ -153,3 +408,5 @@ void wxTextEntry::SetMaxLength(unsigned long len)
 
     ::SendMessage(GetEditHwnd(), EM_LIMITTEXT, len, 0);
 }
 
     ::SendMessage(GetEditHwnd(), EM_LIMITTEXT, len, 0);
 }

+
+#endif // wxUSE_TEXTCTRL || wxUSE_COMBOBOX