TransferFrom/ToWindow() were reverted, fixed

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

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index a26f012890c0d5faafecd6e22193dd20b35c09cd..559508e9d49dd8c33f6395e3e5dc3dfd6ba86710 100644 (file)
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -73,16 +73,6 @@
 
 #endif // wxUSE_RICHEDIT
 
 
 #endif // wxUSE_RICHEDIT
 

-// ----------------------------------------------------------------------------
-// private functions
-// ----------------------------------------------------------------------------
-
-#if wxUSE_RICHEDIT
-
-DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb);
-
-#endif // wxUSE_RICHEDIT
-

 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------


@@ -117,17 +107,70 @@ IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
 // ----------------------------------------------------------------------------
 
 #if wxUSE_EXTENDED_RTTI
 // ----------------------------------------------------------------------------
 
 #if wxUSE_EXTENDED_RTTI

+WX_DEFINE_FLAGS( wxTextCtrlStyle )
+
+wxBEGIN_FLAGS( wxTextCtrlStyle )
+    // new style border flags, we put them first to
+    // use them for streaming out
+    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+    wxFLAGS_MEMBER(wxBORDER_RAISED)
+    wxFLAGS_MEMBER(wxBORDER_STATIC)
+    wxFLAGS_MEMBER(wxBORDER_NONE)
+    
+    // old style border flags
+    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+    wxFLAGS_MEMBER(wxRAISED_BORDER)
+    wxFLAGS_MEMBER(wxSTATIC_BORDER)
+    wxFLAGS_MEMBER(wxNO_BORDER)
+
+    // standard window styles
+    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+    wxFLAGS_MEMBER(wxWANTS_CHARS)
+    wxFLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+    wxFLAGS_MEMBER(wxVSCROLL)
+    wxFLAGS_MEMBER(wxHSCROLL)
+
+    wxFLAGS_MEMBER(wxTE_PROCESS_ENTER)
+    wxFLAGS_MEMBER(wxTE_PROCESS_TAB)
+    wxFLAGS_MEMBER(wxTE_MULTILINE)
+    wxFLAGS_MEMBER(wxTE_PASSWORD)
+    wxFLAGS_MEMBER(wxTE_READONLY)
+    wxFLAGS_MEMBER(wxHSCROLL)
+    wxFLAGS_MEMBER(wxTE_RICH)
+    wxFLAGS_MEMBER(wxTE_RICH2)
+    wxFLAGS_MEMBER(wxTE_AUTO_URL)
+    wxFLAGS_MEMBER(wxTE_NOHIDESEL)
+    wxFLAGS_MEMBER(wxTE_LEFT)
+    wxFLAGS_MEMBER(wxTE_CENTRE)
+    wxFLAGS_MEMBER(wxTE_RIGHT)
+    wxFLAGS_MEMBER(wxTE_DONTWRAP)
+    wxFLAGS_MEMBER(wxTE_LINEWRAP)
+    wxFLAGS_MEMBER(wxTE_WORDWRAP)
+
+wxEND_FLAGS( wxTextCtrlStyle )
+

 IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl, wxControl,"wx/textctrl.h")
 
 IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl, wxControl,"wx/textctrl.h")
 

-WX_BEGIN_PROPERTIES_TABLE(wxTextCtrl)
-       WX_PROPERTY( Font , wxFont , SetFont , GetFont  , )
-       WX_PROPERTY( Value , wxString , SetValue, GetValue, wxEmptyString )
-WX_END_PROPERTIES_TABLE()
+wxBEGIN_PROPERTIES_TABLE(wxTextCtrl)
+    wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent ) 
+    wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )

 
 

-WX_BEGIN_HANDLERS_TABLE(wxTextCtrl)
-WX_END_HANDLERS_TABLE()
+    wxPROPERTY( Font , wxFont , SetFont , GetFont  ,, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+       wxPROPERTY( Value , wxString , SetValue, GetValue, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_FLAGS( WindowStyle , wxTextCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()

 
 

-WX_CONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)
+wxBEGIN_HANDLERS_TABLE(wxTextCtrl)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)

 #else
 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 #endif
 #else
 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 #endif


@@ -411,11 +454,12 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
         msStyle |= ES_AUTOHSCROLL;
     }
 
         msStyle |= ES_AUTOHSCROLL;
     }
 

-    // styles which we add depending on the specified wxWindows styles
-    if ( style & wxHSCROLL )
+    // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz
+    // scrollbar, there is no wrapping -- which makes sense
+    if ( style & wxTE_DONTWRAP )

     {
         // automatically scroll the control horizontally as necessary
     {
         // automatically scroll the control horizontally as necessary

-        msStyle |= WS_HSCROLL;// | ES_AUTOHSCROLL;
+        msStyle |= WS_HSCROLL;

     }
 
     if ( style & wxTE_READONLY )
     }
 
     if ( style & wxTE_READONLY )


@@ -433,7 +477,7 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
     else if ( style & wxTE_RIGHT )
         msStyle |= ES_RIGHT;
     else
     else if ( style & wxTE_RIGHT )
         msStyle |= ES_RIGHT;
     else

-        msStyle |= ES_LEFT; // ES_LEFT if 0 as well but for consistency...
+        msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency...

 
     return msStyle;
 }
 
     return msStyle;
 }


@@ -483,6 +527,37 @@ wxString wxTextCtrl::GetRange(long from, long to) const
         int len = GetWindowTextLength(GetHwnd());
         if ( len > from )
         {
         int len = GetWindowTextLength(GetHwnd());
         if ( len > from )
         {

+            if ( to == -1 )
+                to = len;
+
+#if !wxUSE_UNICODE
+            // we must use EM_STREAMOUT if we don't want to lose all characters
+            // not representable in the current character set (EM_GETTEXTRANGE
+            // simply replaces them with question marks...)
+            //
+            // as EM_STREAMOUT only works for the entire controls contents (or
+            // just the selection but it's probably a bad idea to play games
+            // with selection here...), we can't use it unless we're called
+            // from GetValue(), i.e. we want to retrieve all text
+            if ( GetRichVersion() > 1 && (from == 0 && to >= len) )
+            {
+                wxFont font = m_defaultStyle.GetFont();
+                if ( !font.Ok() )
+                    font = GetFont();
+
+                if ( font.Ok() )
+                {
+                   wxFontEncoding encoding = font.GetEncoding();
+                   if ( encoding != wxFONTENCODING_SYSTEM )
+                   {
+                       str = StreamOut(encoding);
+                   }
+                }
+            }
+
+            // StreamOut() wasn't used or failed, try to do it in normal way
+            if ( str.empty() )
+#endif // !wxUSE_UNICODE

             {
                 // alloc one extra WORD as needed by the control
                 wxStringBuffer tmp(str, ++len);
             {
                 // alloc one extra WORD as needed by the control
                 wxStringBuffer tmp(str, ++len);


@@ -490,7 +565,7 @@ wxString wxTextCtrl::GetRange(long from, long to) const
 
                 TEXTRANGE textRange;
                 textRange.chrg.cpMin = from;
 
                 TEXTRANGE textRange;
                 textRange.chrg.cpMin = from;

-                textRange.chrg.cpMax = to == -1 ? len : to;
+                textRange.chrg.cpMax = to;

                 textRange.lpstrText = p;
 
                 (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE,
                 textRange.lpstrText = p;
 
                 (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE,


@@ -566,12 +641,17 @@ void wxTextCtrl::SetValue(const wxString& value)
 
 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
 
 
 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
 

-DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+// TODO: using memcpy() would improve performance a lot for big amounts of text
+
+DWORD CALLBACK
+wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)

 {
     *pcb = 0;
 
 {
     *pcb = 0;
 

+    const wchar_t ** const ppws = (const wchar_t **)dwCookie;
+

     wchar_t *wbuf = (wchar_t *)buf;
     wchar_t *wbuf = (wchar_t *)buf;

-    const wchar_t *wpc = *(const wchar_t **)dwCookie;
+    const wchar_t *wpc = *ppws;

     while ( cb && *wpc )
     {
         *wbuf++ = *wpc++;
     while ( cb && *wpc )
     {
         *wbuf++ = *wpc++;


@@ -580,56 +660,64 @@ DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
         (*pcb) += sizeof(wchar_t);
     }
 
         (*pcb) += sizeof(wchar_t);
     }
 

-    *(const wchar_t **)dwCookie = wpc;
+    *ppws = wpc;
+
+    return 0;
+}
+
+DWORD CALLBACK
+wxRichEditStreamOut(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+{
+    *pcb = 0;
+
+    wchar_t ** const ppws = (wchar_t **)dwCookie;
+
+    const wchar_t *wbuf = (const wchar_t *)buf;
+    wchar_t *wpc = *ppws;
+    while ( cb && *wpc )
+    {
+         *wpc++ = *wbuf++;
+
+        cb -= sizeof(wchar_t);
+        (*pcb) += sizeof(wchar_t);
+    }
+
+    *ppws = wpc;

 
     return 0;
 }
 
 
     return 0;
 }
 

-// from utils.cpp
-extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding);

 
 #if wxUSE_UNICODE_MSLU
 
 #if wxUSE_UNICODE_MSLU

-bool wxTextCtrl::StreamIn(const wxString& value,
-                          wxFontEncoding WXUNUSED(encoding),
-                          bool selectionOnly)
+    #define UNUSED_IF_MSLU(param)
+#else
+    #define UNUSED_IF_MSLU(param) param
+#endif
+
+bool
+wxTextCtrl::StreamIn(const wxString& value,
+                     wxFontEncoding UNUSED_IF_MSLU(encoding),
+                     bool selectionOnly)

 {
 {

+#if wxUSE_UNICODE_MSLU

     const wchar_t *wpc = value.c_str();
 #else // !wxUSE_UNICODE_MSLU
     const wchar_t *wpc = value.c_str();
 #else // !wxUSE_UNICODE_MSLU

-bool wxTextCtrl::StreamIn(const wxString& value,
-                          wxFontEncoding encoding,
-                          bool selectionOnly)
-{
-    // we have to use EM_STREAMIN to force richedit control 2.0+ to show any
-    // text in the non default charset -- otherwise it thinks it knows better
-    // than we do and always shows it in the default one
-
-    // first get the Windows code page for this encoding
-    long codepage = wxEncodingToCodepage(encoding);
-    if ( codepage == -1 )
-    {
-        // unknown encoding
-        return FALSE;
-    }
+    wxCSConv conv(encoding);

 
 

-    // next translate to Unicode using this code page
-    int len = ::MultiByteToWideChar(codepage, 0, value, -1, NULL, 0);
+    const size_t len = conv.MB2WC(NULL, value, value.length());

 
 #if wxUSE_WCHAR_T
     wxWCharBuffer wchBuf(len);
 
 #if wxUSE_WCHAR_T
     wxWCharBuffer wchBuf(len);

+    wchar_t *wpc = wchBuf.data();

 #else
     wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
 #else
     wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));

+    wchar_t *wpc = wchBuf;

 #endif
 
 #endif
 

-    if ( !::MultiByteToWideChar(codepage, 0, value, -1,
-                                (wchar_t *)(const wchar_t *)wchBuf, len) )
-    {
-        wxLogLastError(_T("MultiByteToWideChar"));
-    }
-
-    // finally, stream it in the control
-    const wchar_t *wpc = wchBuf;
+    conv.MB2WC(wpc, value, value.length());

 #endif // wxUSE_UNICODE_MSLU
 
 #endif // wxUSE_UNICODE_MSLU
 

+    // finally, stream it in the control

     EDITSTREAM eds;
     wxZeroMemory(eds);
     eds.dwCookie = (DWORD)&wpc;
     EDITSTREAM eds;
     wxZeroMemory(eds);
     eds.dwCookie = (DWORD)&wpc;


@@ -662,6 +750,61 @@ bool wxTextCtrl::StreamIn(const wxString& value,
     return TRUE;
 }
 
     return TRUE;
 }
 

+#if !wxUSE_UNICODE_MSLU
+
+wxString
+wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const
+{
+    wxString out;
+
+    const int len = GetWindowTextLength(GetHwnd());
+
+#if wxUSE_WCHAR_T
+    wxWCharBuffer wchBuf(len);
+    wchar_t *wpc = wchBuf.data();
+#else
+    wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
+    wchar_t *wpc = wchBuf;
+#endif
+
+    EDITSTREAM eds;
+    wxZeroMemory(eds);
+    eds.dwCookie = (DWORD)&wpc;
+    eds.pfnCallback = wxRichEditStreamOut;
+
+    ::SendMessage
+      (
+        GetHwnd(),
+        EM_STREAMOUT,
+        SF_TEXT | SF_UNICODE | (selectionOnly ? SFF_SELECTION : 0),
+        (LPARAM)&eds
+      );
+
+    if ( eds.dwError )
+    {
+        wxLogLastError(_T("EM_STREAMOUT"));
+    }
+    else // streamed out ok
+    {
+        // now convert to the given encoding (this is a lossful conversion but
+        // what else can we do)
+        wxCSConv conv(encoding);
+        size_t lenNeeded = conv.WC2MB(NULL, wchBuf, len);
+        if ( lenNeeded )
+        {
+            conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, len);
+        }
+    }
+
+#if !wxUSE_WCHAR_T
+    free(wchBuf);
+#endif // !wxUSE_WCHAR_T
+
+    return out;
+}
+
+#endif // !wxUSE_UNICODE_MSLU
+

 #endif // wxUSE_RICHEDIT
 
 void wxTextCtrl::WriteText(const wxString& value)
 #endif // wxUSE_RICHEDIT
 
 void wxTextCtrl::WriteText(const wxString& value)


@@ -713,6 +856,10 @@ void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
                wxFontEncoding encoding = font.GetEncoding();
                if ( encoding != wxFONTENCODING_SYSTEM )
                {
                wxFontEncoding encoding = font.GetEncoding();
                if ( encoding != wxFONTENCODING_SYSTEM )
                {

+                   // we have to use EM_STREAMIN to force richedit control 2.0+
+                   // to show any text in the non default charset -- otherwise
+                   // it thinks it knows better than we do and always shows it
+                   // in the default one

                    done = StreamIn(valueDos, encoding, selectionOnly);
                }
             }
                    done = StreamIn(valueDos, encoding, selectionOnly);
                }
             }


@@ -1114,7 +1261,11 @@ bool wxTextCtrl::IsModified() const
     return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
 }
 
     return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
 }
 

-// Makes 'unmodified'
+void wxTextCtrl::MarkDirty()
+{
+    SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L);
+}
+

 void wxTextCtrl::DiscardEdits()
 {
     SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
 void wxTextCtrl::DiscardEdits()
 {
     SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);


@@ -1223,8 +1374,28 @@ wxString wxTextCtrl::GetLineText(long lineNo) const
         wxChar *buf = tmp;
 
         *(WORD *)buf = (WORD)len;
         wxChar *buf = tmp;
 
         *(WORD *)buf = (WORD)len;

-        len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE,
-                                    lineNo, (LPARAM)buf);
+        len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
+
+#if wxUSE_RICHEDIT
+        if ( IsRich() )
+        {
+            // remove the '\r' returned by the rich edit control, the user code
+            // should never see it
+            if ( buf[len - 2] == _T('\r') && buf[len - 1] == _T('\n') )
+            {
+                buf[len - 2] = _T('\n');
+                len--;
+            }
+        }
+#endif // wxUSE_RICHEDIT
+
+        // remove the '\n' at the end, if any (this is how this function is
+        // supposed to work according to the docs)
+        if ( buf[len - 1] == _T('\n') )
+        {
+            len--;
+        }
+

         buf[len] = 0;
         tmp.SetLength(len);
     }
         buf[len] = 0;
         tmp.SetLength(len);
     }