unused parameter warning fix after last change

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

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index 87d8ada59ebaac8b812aa11546bca1bc29d82999..32c83c9b9bda15ae90235016aca2b30a5085fde2 100644 (file)
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        msw/textctrl.cpp
+// Name:        src/msw/textctrl.cpp

 // Purpose:     wxTextCtrl
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     wxTextCtrl
 // Author:      Julian Smart
 // Modified by:


@@ -13,10 +13,6 @@
 // declarations
 // ============================================================================
 
 // declarations
 // ============================================================================
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "textctrl.h"
-#endif
-

 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------


@@ -40,9 +36,10 @@
     #include "wx/app.h"
     #include "wx/menu.h"
     #include "wx/math.h"
     #include "wx/app.h"
     #include "wx/menu.h"
     #include "wx/math.h"

+    #include "wx/module.h"

 #endif
 
 #endif
 

-#include "wx/module.h"
+#include "wx/sysopt.h"

 
 #if wxUSE_CLIPBOARD
     #include "wx/clipbrd.h"
 
 #if wxUSE_CLIPBOARD
     #include "wx/clipbrd.h"


@@ -54,6 +51,7 @@
 
 #include "wx/msw/private.h"
 #include "wx/msw/winundef.h"
 
 #include "wx/msw/private.h"
 #include "wx/msw/winundef.h"

+#include "wx/msw/mslu.h"

 
 #include <string.h>
 #include <stdlib.h>
 
 #include <string.h>
 #include <stdlib.h>


@@ -64,16 +62,20 @@
 
 #if wxUSE_RICHEDIT
 
 
 #if wxUSE_RICHEDIT
 

+#if wxUSE_INKEDIT
+#include "wx/dynlib.h"
+#endif
+

 // old mingw32 has richedit stuff directly in windows.h and doesn't have
 // richedit.h at all
 #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
     #include <richedit.h>
 #endif
 
 // old mingw32 has richedit stuff directly in windows.h and doesn't have
 // richedit.h at all
 #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
     #include <richedit.h>
 #endif
 

-#include "wx/msw/missing.h"
-

 #endif // wxUSE_RICHEDIT
 
 #endif // wxUSE_RICHEDIT
 

+#include "wx/msw/missing.h"
+

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


@@ -84,20 +86,43 @@
 class wxRichEditModule : public wxModule
 {
 public:
 class wxRichEditModule : public wxModule
 {
 public:

+    enum Version
+    {
+        Version_1,          // riched32.dll
+        Version_2or3,       // both use riched20.dll
+        Version_41,         // msftedit.dll (XP SP1 and Windows 2003)
+        Version_Max
+    };
+

     virtual bool OnInit();
     virtual void OnExit();
 
     virtual bool OnInit();
     virtual void OnExit();
 

-    // load the richedit DLL of at least of required version
-    static bool Load(int version = 1);
+    // load the richedit DLL for the specified version of rich edit
+    static bool Load(Version version);
+
+#if wxUSE_INKEDIT
+    // load the InkEdit library
+    static bool LoadInkEdit();
+#endif

 
 private:
     // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
 
 private:
     // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs

-    static HINSTANCE ms_hRichEdit[2];
+    static HINSTANCE ms_hRichEdit[Version_Max];
+
+#if wxUSE_INKEDIT
+    static wxDynamicLibrary ms_inkEditLib;
+    static bool             ms_inkEditLibLoadAttemped;
+#endif

 
     DECLARE_DYNAMIC_CLASS(wxRichEditModule)
 };
 
 
     DECLARE_DYNAMIC_CLASS(wxRichEditModule)
 };
 

-HINSTANCE wxRichEditModule::ms_hRichEdit[2] = { NULL, NULL };
+HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL };
+
+#if wxUSE_INKEDIT
+wxDynamicLibrary wxRichEditModule::ms_inkEditLib;
+bool             wxRichEditModule::ms_inkEditLibLoadAttemped = false;
+#endif

 
 IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
 


@@ -111,9 +136,13 @@ public:
     UpdatesCountFilter(int& count)
         : m_count(count)
     {
     UpdatesCountFilter(int& count)
         : m_count(count)
     {

-        wxASSERT_MSG( m_count == -1, _T("wrong initial m_updatesCount value") );
+        wxASSERT_MSG( m_count == -1 || m_count == -2,
+                      _T("wrong initial m_updatesCount value") );

 
 

-        m_count = 0;
+        if (m_count != -2)
+            m_count = 0;
+        //else: we don't want to count how many update events we get as we're going
+        //      to ignore all of them

     }
 
     ~UpdatesCountFilter()
     }
 
     ~UpdatesCountFilter()


@@ -182,7 +211,7 @@ wxBEGIN_FLAGS( wxTextCtrlStyle )
     wxFLAGS_MEMBER(wxTE_CENTRE)
     wxFLAGS_MEMBER(wxTE_RIGHT)
     wxFLAGS_MEMBER(wxTE_DONTWRAP)
     wxFLAGS_MEMBER(wxTE_CENTRE)
     wxFLAGS_MEMBER(wxTE_RIGHT)
     wxFLAGS_MEMBER(wxTE_DONTWRAP)

-    wxFLAGS_MEMBER(wxTE_LINEWRAP)
+    wxFLAGS_MEMBER(wxTE_CHARWRAP)

     wxFLAGS_MEMBER(wxTE_WORDWRAP)
 
 wxEND_FLAGS( wxTextCtrlStyle )
     wxFLAGS_MEMBER(wxTE_WORDWRAP)
 
 wxEND_FLAGS( wxTextCtrlStyle )


@@ -203,11 +232,11 @@ wxEND_HANDLERS_TABLE()
 
 wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)
 #else
 
 wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)
 #else

-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)

 #endif
 
 
 #endif
 
 

-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)

     EVT_CHAR(wxTextCtrl::OnChar)
     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 
     EVT_CHAR(wxTextCtrl::OnChar)
     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 


@@ -234,10 +263,50 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
     EVT_SET_FOCUS(wxTextCtrl::OnSetFocus)
 END_EVENT_TABLE()
 
     EVT_SET_FOCUS(wxTextCtrl::OnSetFocus)
 END_EVENT_TABLE()
 

+// ----------------------------------------------------------------------------
+// function prototypes
+// ----------------------------------------------------------------------------
+
+LRESULT APIENTRY _EXPORT wxTextCtrlWndProc(HWND hWnd,
+                                           UINT message,
+                                           WPARAM wParam,
+                                           LPARAM lParam);
+
+// ---------------------------------------------------------------------------
+// global vars
+// ---------------------------------------------------------------------------
+
+// the pointer to standard text control wnd proc
+static WNDPROC gs_wndprocEdit = (WNDPROC)NULL;
+

 // ============================================================================
 // implementation
 // ============================================================================
 
 // ============================================================================
 // implementation
 // ============================================================================
 

+// ----------------------------------------------------------------------------
+// wnd proc for subclassed edit control
+// ----------------------------------------------------------------------------
+
+LRESULT APIENTRY _EXPORT wxTextCtrlWndProc(HWND hWnd,
+                                           UINT message,
+                                           WPARAM wParam,
+                                           LPARAM lParam)
+{
+    switch ( message )
+    {
+        case WM_CUT:
+        case WM_COPY:
+        case WM_PASTE:
+            {
+                wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd);
+                if( win->HandleClipboardEvent( message ) )
+                    return 0;
+                break;
+            }
+    }
+    return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam);
+}
+

 // ----------------------------------------------------------------------------
 // creation
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // creation
 // ----------------------------------------------------------------------------


@@ -248,6 +317,10 @@ void wxTextCtrl::Init()
     m_verRichEdit = 0;
 #endif // wxUSE_RICHEDIT
 
     m_verRichEdit = 0;
 #endif // wxUSE_RICHEDIT
 

+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+    m_isInkEdit = 0;
+#endif
+

     m_privateContextMenu = NULL;
     m_updatesCount = -1;
     m_isNativeCaretShown = true;
     m_privateContextMenu = NULL;
     m_updatesCount = -1;
     m_isNativeCaretShown = true;


@@ -280,12 +353,12 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 
     // do create the control - either an EDIT or RICHEDIT
     wxString windowClass = wxT("EDIT");
 
     // do create the control - either an EDIT or RICHEDIT
     wxString windowClass = wxT("EDIT");

-    
+

 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
     // A control that capitalizes the first letter
     if (style & wxTE_CAPITALIZE)
         windowClass = wxT("CAPEDIT");
 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
     // A control that capitalizes the first letter
     if (style & wxTE_CAPITALIZE)
         windowClass = wxT("CAPEDIT");

-#endif    
+#endif

 
 #if wxUSE_RICHEDIT
     if ( m_windowStyle & wxTE_AUTO_URL )
 
 #if wxUSE_RICHEDIT
     if ( m_windowStyle & wxTE_AUTO_URL )


@@ -303,65 +376,90 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
     // we need to load the richedit DLL before creating the rich edit control
     if ( m_windowStyle & wxTE_RICH )
     {
     // we need to load the richedit DLL before creating the rich edit control
     if ( m_windowStyle & wxTE_RICH )
     {

-        static bool s_errorGiven = false;// MT-FIXME
-
-        // Which version do we need? Use 1.0 by default because it is much more
-        // like the the standard EDIT or 2.0 if explicitly requested, but use
-        // only 2.0 in Unicode mode as 1.0 doesn't support Unicode at all
+        // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with
+        // each other but not with version 1.0, so we have separate flags for
+        // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain
+        // EDIT control), 1 for version 1.0 or 2 for any higher version)

         //
         //

-        // TODO: RichEdit 3.0 is apparently capable of emulating RichEdit 1.0
-        //       (and thus EDIT) much better than RichEdit 2.0 so we probably
-        //       should use 3.0 if available as it is the best of both worlds -
-        //       but as I can't test it right now I don't do it (VZ)
+        // notice that 1.0 has no Unicode support at all so in Unicode build we
+        // must use another version
+

 #if wxUSE_UNICODE
 #if wxUSE_UNICODE

-        const int verRichEdit = 2;
+        m_verRichEdit = 2;

 #else // !wxUSE_UNICODE
 #else // !wxUSE_UNICODE

-        int verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
+        m_verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;

 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 

-        // only give the error msg once if the DLL can't be loaded
-        if ( !s_errorGiven )
+#if wxUSE_INKEDIT
+        // First test if we can load an ink edit control. Normally, all edit
+        // controls will be made ink edit controls if a tablet environment is
+        // found (or if msw.inkedit != 0 and the InkEd.dll is present).
+        // However, an application can veto ink edit controls by either specifying
+        // msw.inkedit = 0 or by removing wxTE_RICH[2] from the style.
+        //
+        if ((wxSystemSettings::HasFeature(wxSYS_TABLET_PRESENT) || wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) != 0) &&
+            !(wxSystemOptions::HasOption(wxT("msw.inkedit")) && wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) == 0))

         {
         {

-            // try to load the RichEdit DLL (will do nothing if already done)
-            if ( !wxRichEditModule::Load(verRichEdit) )
+            if (wxRichEditModule::LoadInkEdit())

             {
             {

-#if !wxUSE_UNICODE
-                // try another version?
-                verRichEdit = 3 - verRichEdit; // 1 <-> 2
+                windowClass = INKEDIT_CLASS;

 
 

-                if ( !wxRichEditModule::Load(verRichEdit) )
-#endif // wxUSE_UNICODE
-                {
-                    wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+                m_isInkEdit = 1;
+#endif

 
 

-                    s_errorGiven = true;
-                }
+                // Fake rich text version for other calls
+                m_verRichEdit = 2;

             }
         }
             }
         }

+#endif

 
 

-        // have we managed to load any richedit version?
-        if ( !s_errorGiven )
+        if (!IsInkEdit())

         {
         {

-            m_verRichEdit = verRichEdit;
-            if ( m_verRichEdit == 1 )
+            if ( m_verRichEdit == 2 )

             {
             {

-                windowClass = wxT("RICHEDIT");
-            }
-            else
-            {
-#ifndef RICHEDIT_CLASS
-                wxString RICHEDIT_CLASS;
-                RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), m_verRichEdit);
+                if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
+                {
+                    // yes, class name for version 4.1 really is 5.0
+                    windowClass = _T("RICHEDIT50W");
+                }
+                else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
+                {
+                    windowClass = _T("RichEdit20")

 #if wxUSE_UNICODE
 #if wxUSE_UNICODE

-                RICHEDIT_CLASS += _T('W');
+                                _T("W");

 #else // ANSI
 #else // ANSI

-                RICHEDIT_CLASS += _T('A');
+                                _T("A");

 #endif // Unicode/ANSI
 #endif // Unicode/ANSI

-#endif // !RICHEDIT_CLASS
+                }
+                else // failed to load msftedit.dll and riched20.dll
+                {
+                    m_verRichEdit = 1;
+                }
+            }

 
 

-                windowClass = RICHEDIT_CLASS;
+            if ( m_verRichEdit == 1 )
+            {
+                if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
+                {
+                    windowClass = _T("RICHEDIT");
+                }
+                else // failed to load any richedit control DLL
+                {
+                    // only give the error msg once if the DLL can't be loaded
+                    static bool s_errorGiven = false; // MT ok as only used by GUI
+
+                    if ( !s_errorGiven )
+                    {
+                        wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+
+                        s_errorGiven = true;
+                    }
+
+                    m_verRichEdit = 0;
+                }

             }
             }

-        }
+        } // !useInkEdit

     }
 #endif // wxUSE_RICHEDIT
 
     }
 #endif // wxUSE_RICHEDIT
 


@@ -380,17 +478,40 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
         return false;
 
 #if wxUSE_RICHEDIT
         return false;
 
 #if wxUSE_RICHEDIT

-    if ( IsRich() )
+    if (IsRich())

     {
     {

+#if wxUSE_INKEDIT
+        if (IsInkEdit())
+        {
+            // Pass IEM_InsertText (0) as wParam, in order to have the ink always
+            // converted to text.
+            ::SendMessage(GetHwnd(), EM_SETINKINSERTMODE, 0, 0);
+
+            // Make sure the mouse can be used for input
+            ::SendMessage(GetHwnd(), EM_SETUSEMOUSEFORINPUT, 1, 0);
+        }
+#endif
+

         // enable the events we're interested in: we want to get EN_CHANGE as
         // for the normal controls
         LPARAM mask = ENM_CHANGE;
 
         // enable the events we're interested in: we want to get EN_CHANGE as
         // for the normal controls
         LPARAM mask = ENM_CHANGE;
 

-        if ( GetRichVersion() == 1 )
+        if (GetRichVersion() == 1 && !IsInkEdit())

         {
             // we also need EN_MSGFILTER for richedit 1.0 for the reasons
             // explained in its handler
            mask |= ENM_MOUSEEVENTS;
         {
             // we also need EN_MSGFILTER for richedit 1.0 for the reasons
             // explained in its handler
            mask |= ENM_MOUSEEVENTS;

+
+           // we also need to force the appearance of the vertical scrollbar
+           // initially as otherwise the control doesn't refresh correctly
+           // after resize: but once the vertical scrollbar had been shown
+           // (even if it's subsequently hidden) it does
+           //
+           // this is clearly a bug and for now it has been only noticed under
+           // Windows XP, so if we're sure it works correctly under other
+           // systems we could do this only for XP
+           SetSize(-1, 1); // 1 is small enough to force vert scrollbar
+           SetSize(size);

         }
         else if ( m_windowStyle & wxTE_AUTO_URL )
         {
         }
         else if ( m_windowStyle & wxTE_AUTO_URL )
         {


@@ -403,6 +524,9 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
     }
 #endif // wxUSE_RICHEDIT
 
     }
 #endif // wxUSE_RICHEDIT
 

+    gs_wndprocEdit = wxSetWindowProc((HWND)GetHwnd(),
+                                     wxTextCtrlWndProc);
+

     return true;
 }
 
     return true;
 }
 


@@ -455,9 +579,6 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
     // styles which we alaways add by default
     if ( style & wxTE_MULTILINE )
     {
     // styles which we alaways add by default
     if ( style & wxTE_MULTILINE )
     {

-        wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER),
-                      wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
-

         msStyle |= ES_MULTILINE | ES_WANTRETURN;
         if ( !(style & wxTE_NO_VSCROLL) )
         {
         msStyle |= ES_MULTILINE | ES_WANTRETURN;
         if ( !(style & wxTE_NO_VSCROLL) )
         {


@@ -540,6 +661,15 @@ void wxTextCtrl::SetWindowStyleFlag(long style)
 // set/get the controls text
 // ----------------------------------------------------------------------------
 
 // set/get the controls text
 // ----------------------------------------------------------------------------
 

+bool wxTextCtrl::IsEmpty() const
+{
+    // this is an optimization for multiline controls containing a lot of text
+    if ( IsMultiLine() && GetNumberOfLines() != 1 )
+        return false;
+
+    return wxTextCtrlBase::IsEmpty();
+}
+

 wxString wxTextCtrl::GetValue() const
 {
     // range 0..-1 is special for GetRange() and means to retrieve all text
 wxString wxTextCtrl::GetValue() const
 {
     // range 0..-1 is special for GetRange() and means to retrieve all text


@@ -663,7 +793,7 @@ wxString wxTextCtrl::GetRange(long from, long to) const
     return str;
 }
 
     return str;
 }
 

-void wxTextCtrl::SetValue(const wxString& value)
+void wxTextCtrl::DoSetValue(const wxString& value, int flags)

 {
     // if the text is long enough, it's faster to just set it instead of first
     // comparing it with the old one (chances are that it will be different
 {
     // if the text is long enough, it's faster to just set it instead of first
     // comparing it with the old one (chances are that it will be different


@@ -671,22 +801,27 @@ void wxTextCtrl::SetValue(const wxString& value)
     // edit controls mostly)
     if ( (value.length() > 0x400) || (value != GetValue()) )
     {
     // edit controls mostly)
     if ( (value.length() > 0x400) || (value != GetValue()) )
     {

-        DoWriteText(value, false /* not selection only */);
+        DoWriteText(value, flags /* doesn't include SelectionOnly here */);
+
+        // mark the control as being not dirty - we changed its text, not the
+        // user
+        DiscardEdits();

 
         // for compatibility, don't move the cursor when doing SetValue()
         SetInsertionPoint(0);
     }
     else // same text
     {
 
         // for compatibility, don't move the cursor when doing SetValue()
         SetInsertionPoint(0);
     }
     else // same text
     {

+        // still reset the modified flag even if the value didn't really change
+        // because now it comes from the program and not the user (and do it
+        // before generating the event so that the event handler could get the
+        // expected value from IsModified())
+        DiscardEdits();
+

         // still send an event for consistency
         // still send an event for consistency

-        SendUpdateEvent();
+        if (flags & SetValue_SendEvent)
+            SendUpdateEvent();

     }
     }

-
-    // we should reset the modified flag even if the value didn't really change
-
-    // mark the control as being not dirty - we changed its text, not the
-    // user
-    DiscardEdits();

 }
 
 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
 }
 
 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)


@@ -796,7 +931,10 @@ wxTextCtrl::StreamIn(const wxString& value,
                   (selectionOnly ? SFF_SELECTION : 0),
                   (LPARAM)&eds);
 
                   (selectionOnly ? SFF_SELECTION : 0),
                   (LPARAM)&eds);
 

-    wxASSERT_MSG( ucf.GotUpdate(), _T("EM_STREAMIN didn't send EN_UPDATE?") );
+    // It's okay for EN_UPDATE to not be sent if the selection is empty and
+    // the text is empty, otherwise warn the programmer about it.
+    wxASSERT_MSG( ucf.GotUpdate() || ( !HasSelection() && value.empty() ),
+                  _T("EM_STREAMIN didn't send EN_UPDATE?") );

 
     if ( eds.dwError )
     {
 
     if ( eds.dwError )
     {


@@ -880,8 +1018,9 @@ void wxTextCtrl::WriteText(const wxString& value)
     DoWriteText(value);
 }
 
     DoWriteText(value);
 }
 

-void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
+void wxTextCtrl::DoWriteText(const wxString& value, int flags)

 {
 {

+    bool selectionOnly = (flags & SetValue_SelectionOnly) != 0;

     wxString valueDos;
     if ( m_windowStyle & wxTE_MULTILINE )
         valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
     wxString valueDos;
     if ( m_windowStyle & wxTE_MULTILINE )
         valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);


@@ -945,12 +1084,16 @@ void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
         // we generate exactly one of them by ignoring all but the first one in
         // SendUpdateEvent() and generating one ourselves if we hadn't got any
         // notifications from Windows
         // we generate exactly one of them by ignoring all but the first one in
         // SendUpdateEvent() and generating one ourselves if we hadn't got any
         // notifications from Windows

+        if ( !(flags & SetValue_SendEvent) )
+            m_updatesCount = -2;        // suppress any update event
+

         UpdatesCountFilter ucf(m_updatesCount);
 
         ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
         UpdatesCountFilter ucf(m_updatesCount);
 
         ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,

-                      0, (LPARAM)valueDos.c_str());
+                      // EM_REPLACESEL takes 1 to indicate the operation should be redoable
+                      selectionOnly ? 1 : 0, (LPARAM)valueDos.c_str());

 
 

-        if ( !ucf.GotUpdate() )
+        if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) )

         {
             SendUpdateEvent();
         }
         {
             SendUpdateEvent();
         }


@@ -1104,7 +1247,8 @@ void wxTextCtrl::SetInsertionPointEnd()
     // if it doesn't actually move the caret anywhere and so the simple fact of
     // doing it results in horrible flicker when appending big amounts of text
     // to the control in a few chunks (see DoAddText() test in the text sample)
     // if it doesn't actually move the caret anywhere and so the simple fact of
     // doing it results in horrible flicker when appending big amounts of text
     // to the control in a few chunks (see DoAddText() test in the text sample)

-    if ( GetInsertionPoint() == GetLastPosition() )
+    const wxTextPos lastPosition = GetLastPosition();
+    if ( GetInsertionPoint() == lastPosition )

     {
         return;
     }
     {
         return;
     }


@@ -1120,7 +1264,7 @@ void wxTextCtrl::SetInsertionPointEnd()
     else // !RichEdit 1.0
 #endif // wxUSE_RICHEDIT
     {
     else // !RichEdit 1.0
 #endif // wxUSE_RICHEDIT
     {

-        pos = GetLastPosition();
+        pos = lastPosition;

     }
 
     SetInsertionPoint(pos);
     }
 
     SetInsertionPoint(pos);


@@ -1244,10 +1388,14 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
         // ES_DISABLENOSCROLL
         //
         // this is very ugly but I don't see any other way to make this work
         // ES_DISABLENOSCROLL
         //
         // this is very ugly but I don't see any other way to make this work

+        long style = 0;

         if ( GetRichVersion() > 1 )
         {
             if ( !HasFlag(wxTE_NOHIDESEL) )
             {
         if ( GetRichVersion() > 1 )
         {
             if ( !HasFlag(wxTE_NOHIDESEL) )
             {

+                // setting ECO_NOHIDESEL also sets WS_VISIBLE and possibly
+                // others, remember the style so we can reset it later if needed
+                style = ::GetWindowLong(GetHwnd(), GWL_STYLE);

                 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
                               ECOOP_OR, ECO_NOHIDESEL);
             }
                 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
                               ECOOP_OR, ECO_NOHIDESEL);
             }


@@ -1263,6 +1411,8 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
         {
             ::SendMessage(GetHwnd(), EM_SETOPTIONS,
                           ECOOP_AND, ~ECO_NOHIDESEL);
         {
             ::SendMessage(GetHwnd(), EM_SETOPTIONS,
                           ECOOP_AND, ~ECO_NOHIDESEL);

+            if ( style != ::GetWindowLong(GetHwnd(), GWL_STYLE) )
+                ::SetWindowLong(GetHwnd(), GWL_STYLE, style);

         }
 #endif // wxUSE_RICHEDIT
     }
         }
 #endif // wxUSE_RICHEDIT
     }


@@ -1272,9 +1422,9 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
 // Working with files
 // ----------------------------------------------------------------------------
 
 // Working with files
 // ----------------------------------------------------------------------------
 

-bool wxTextCtrl::LoadFile(const wxString& file)
+bool wxTextCtrl::DoLoadFile(const wxString& file, int fileType)

 {
 {

-    if ( wxTextCtrlBase::LoadFile(file) )
+    if ( wxTextCtrlBase::DoLoadFile(file, fileType) )

     {
         // update the size limit if needed
         AdjustSpaceLimit();
     {
         // update the size limit if needed
         AdjustSpaceLimit();


@@ -1294,7 +1444,7 @@ void wxTextCtrl::Replace(long from, long to, const wxString& value)
     // Set selection and remove it
     DoSetSelection(from, to, false /* don't scroll caret into view */);
 
     // Set selection and remove it
     DoSetSelection(from, to, false /* don't scroll caret into view */);
 

-    DoWriteText(value, true /* selection only */);
+    DoWriteText(value);

 }
 
 void wxTextCtrl::Remove(long from, long to)
 }
 
 void wxTextCtrl::Remove(long from, long to)


@@ -1546,11 +1696,22 @@ wxString wxTextCtrl::GetLineText(long lineNo) const
 void wxTextCtrl::SetMaxLength(unsigned long len)
 {
 #if wxUSE_RICHEDIT
 void wxTextCtrl::SetMaxLength(unsigned long len)
 {
 #if wxUSE_RICHEDIT

-    if (IsRich())
-        ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, (LPARAM) (DWORD) len);
+    if ( IsRich() )
+    {
+        ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff);
+    }

     else
     else

-#endif
-    ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
+#endif // wxUSE_RICHEDIT
+    {
+        if ( len >= 0xffff )
+        {
+            // this will set it to a platform-dependent maximum (much more
+            // than 64Kb under NT)
+            len = 0;
+        }
+
+        ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1638,18 +1799,17 @@ void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 // kbd input processing
 // ----------------------------------------------------------------------------
 
 // kbd input processing
 // ----------------------------------------------------------------------------
 

-bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
+bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg)

 {
 {

-    MSG *msg = (MSG *)pMsg;
-

     // check for our special keys here: if we don't do it and the parent frame
     // uses them as accelerators, they wouldn't work at all, so we disable
     // usual preprocessing for them
     if ( msg->message == WM_KEYDOWN )
     {
     // check for our special keys here: if we don't do it and the parent frame
     // uses them as accelerators, they wouldn't work at all, so we disable
     // usual preprocessing for them
     if ( msg->message == WM_KEYDOWN )
     {

-        WORD vkey = (WORD) msg->wParam;
-        if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
+        const WPARAM vkey = msg->wParam;
+        if ( HIWORD(msg->lParam) & KF_ALTDOWN )

         {
         {

+            // Alt-Backspace is accelerator for "Undo"

             if ( vkey == VK_BACK )
                 return false;
         }
             if ( vkey == VK_BACK )
                 return false;
         }


@@ -1667,6 +1827,9 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
                     // fall through
 
                 case 0:
                     // fall through
 
                 case 0:

+                    if ( IsMultiLine() && vkey == VK_RETURN )
+                        return false;
+                    // fall through

                 case 2:
                     break;
 
                 case 2:
                     break;
 


@@ -1695,7 +1858,7 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
         }
     }
 
         }
     }
 

-    return wxControl::MSWShouldPreProcessMessage(pMsg);
+    return wxControl::MSWShouldPreProcessMessage(msg);

 }
 
 void wxTextCtrl::OnChar(wxKeyEvent& event)
 }
 
 void wxTextCtrl::OnChar(wxKeyEvent& event)


@@ -1703,16 +1866,15 @@ void wxTextCtrl::OnChar(wxKeyEvent& event)
     switch ( event.GetKeyCode() )
     {
         case WXK_RETURN:
     switch ( event.GetKeyCode() )
     {
         case WXK_RETURN:

-            if ( !HasFlag(wxTE_MULTILINE) )

             {
                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
                 InitCommandEvent(event);
                 event.SetString(GetValue());
                 if ( GetEventHandler()->ProcessEvent(event) )
             {
                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
                 InitCommandEvent(event);
                 event.SetString(GetValue());
                 if ( GetEventHandler()->ProcessEvent(event) )

+                if ( !HasFlag(wxTE_MULTILINE) )

                     return;
                     return;

+                //else: multiline controls need Enter for themselves

             }
             }

-            //else: multiline controls need Enter for themselves
-

             break;
 
         case WXK_TAB:
             break;
 
         case WXK_TAB:


@@ -1748,6 +1910,7 @@ void wxTextCtrl::OnChar(wxKeyEvent& event)
                 // Insert tab since calling the default Windows handler
                 // doesn't seem to do it
                 WriteText(wxT("\t"));
                 // Insert tab since calling the default Windows handler
                 // doesn't seem to do it
                 WriteText(wxT("\t"));

+                return;

             }
             break;
     }
             }
             break;
     }


@@ -1825,6 +1988,11 @@ bool wxTextCtrl::SendUpdateEvent()
             // we hadn't updated the control ourselves, this event comes from
             // the user, don't need to ignore it nor update the count
             break;
             // we hadn't updated the control ourselves, this event comes from
             // the user, don't need to ignore it nor update the count
             break;

+
+        case -2:
+            // the control was updated programmatically and we do NOT want to
+            // send events
+            return false;

     }
 
     wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
     }
 
     wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());


@@ -1872,56 +2040,44 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
     return true;
 }
 
     return true;
 }
 

-WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC)
+WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd)

 {
     if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
         return MSWControlColorDisabled(hDC);
 
 {
     if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
         return MSWControlColorDisabled(hDC);
 

-    return wxTextCtrlBase::MSWControlColorSolid(hDC);
+    return wxTextCtrlBase::MSWControlColor(hDC, hWnd);

 }
 
 }
 

-bool wxTextCtrl::AdjustSpaceLimit()
+bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const

 {
 {

-    unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
-

     // HACK: we try to automatically extend the limit for the amount of text
     //       to allow (interactively) entering more than 64Kb of text under
     //       Win9x but we shouldn't reset the text limit which was previously
     //       set explicitly with SetMaxLength()
     //
     // HACK: we try to automatically extend the limit for the amount of text
     //       to allow (interactively) entering more than 64Kb of text under
     //       Win9x but we shouldn't reset the text limit which was previously
     //       set explicitly with SetMaxLength()
     //

-    //       we could solve this by storing the limit we set in wxTextCtrl but
-    //       to save space we prefer to simply test here the actual limit
-    //       value: we consider that SetMaxLength() can only be called for
-    //       values < 32Kb
-    if ( limit < 0x8000 )
-    {
-        // we've got more text than limit set by SetMaxLength()
+    //       Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't
+    //       know the limit we set (if any). We could solve this by storing the
+    //       limit we set in wxTextCtrl but to save space we prefer to simply
+    //       test here the actual limit value: we consider that SetMaxLength()
+    //       can only be called for small values while EN_MAXTEXT is only sent
+    //       for large values (in practice the default limit seems to be 30000
+    //       but make it smaller just to be on the safe side)
+    *len = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
+    return *len < 10001;
+
+}
+
+bool wxTextCtrl::AdjustSpaceLimit()
+{
+    unsigned int limit;
+    if ( HasSpaceLimit(&limit) )

         return false;
         return false;

-    }

 
     unsigned int len = ::GetWindowTextLength(GetHwnd());
     if ( len >= limit )
     {
 
     unsigned int len = ::GetWindowTextLength(GetHwnd());
     if ( len >= limit )
     {

-        limit = len + 0x8000;    // 32Kb
-
-#if wxUSE_RICHEDIT
-        if ( IsRich() )
-        {
-            // as a nice side effect, this also allows passing limit > 64Kb
-            ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, limit);
-        }
-        else
-#endif // wxUSE_RICHEDIT
-        {
-            if ( limit > 0xffff )
-            {
-                // this will set it to a platform-dependent maximum (much more
-                // than 64Kb under NT)
-                limit = 0;
-            }
-
-            ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
-        }
+        // increment in 32Kb chunks
+        SetMaxLength(len + 0x8000);

     }
 
     // we changed the limit
     }
 
     // we changed the limit


@@ -1946,7 +2102,7 @@ wxSize wxTextCtrl::DoGetBestSize() const
     int hText = cy;
     if ( m_windowStyle & wxTE_MULTILINE )
     {
     int hText = cy;
     if ( m_windowStyle & wxTE_MULTILINE )
     {

-        hText *= wxMax(GetNumberOfLines(), 5);
+        hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);

     }
     //else: for single line control everything is ok
 
     }
     //else: for single line control everything is ok
 


@@ -2430,11 +2586,23 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
         }
     }
 
         }
     }
 

-    if (pf.dwMask != 0)
+#if wxUSE_RICHEDIT2
+    if ( m_verRichEdit > 1 )
+    {
+        if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+        {
+            // Use RTL paragraphs in RTL mode to get proper layout
+            pf.dwMask |= PFM_RTLPARA;
+            pf.wEffects |= PFE_RTLPARA;
+        }
+    }
+#endif // wxUSE_RICHEDIT2
+
+    if ( pf.dwMask )

     {
         // do format the selection
         bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
     {
         // do format the selection
         bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,

-            0, (LPARAM) &pf) != 0;
+                                0, (LPARAM) &pf) != 0;

         if ( !ok )
         {
             wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
         if ( !ok )
         {
             wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));


@@ -2507,7 +2675,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
 
     if ( changeSel )
     {
 
     if ( changeSel )
     {

-        DoSetSelection(position, position, false /* don't scroll caret into view */);
+        DoSetSelection(position, position+1, false /* don't scroll caret into view */);

     }
 
     // get the selection formatting
     }
 
     // get the selection formatting


@@ -2619,6 +2787,8 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
 // wxRichEditModule
 // ----------------------------------------------------------------------------
 
 // wxRichEditModule
 // ----------------------------------------------------------------------------
 

+static const HINSTANCE INVALID_HINSTANCE = (HINSTANCE)-1;
+

 bool wxRichEditModule::OnInit()
 {
     // don't do anything - we will load it when needed
 bool wxRichEditModule::OnInit()
 {
     // don't do anything - we will load it when needed


@@ -2629,26 +2799,22 @@ void wxRichEditModule::OnExit()
 {
     for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
     {
 {
     for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
     {

-        if ( ms_hRichEdit[i] )
+        if ( ms_hRichEdit[i] && ms_hRichEdit[i] != INVALID_HINSTANCE )

         {
             ::FreeLibrary(ms_hRichEdit[i]);
             ms_hRichEdit[i] = NULL;
         }
     }
         {
             ::FreeLibrary(ms_hRichEdit[i]);
             ms_hRichEdit[i] = NULL;
         }
     }

+#if wxUSE_INKEDIT
+    if (ms_inkEditLib.IsLoaded())
+        ms_inkEditLib.Unload();
+#endif

 }
 
 /* static */
 }
 
 /* static */

-bool wxRichEditModule::Load(int version)
+bool wxRichEditModule::Load(Version version)

 {
 {

-    // we don't support loading richedit 3.0 as I don't know how to distinguish
-    // it from 2.0 anyhow
-    wxCHECK_MSG( version == 1 || version == 2, false,
-                 _T("incorrect richedit control version requested") );
-
-    // make it the index in the array
-    version--;
-
-    if ( ms_hRichEdit[version] == (HINSTANCE)-1 )
+    if ( ms_hRichEdit[version] == INVALID_HINSTANCE )

     {
         // we had already tried to load it and failed
         return false;
     {
         // we had already tried to load it and failed
         return false;


@@ -2660,16 +2826,21 @@ bool wxRichEditModule::Load(int version)
         return true;
     }
 
         return true;
     }
 

-    wxString dllname = version ? _T("riched20") : _T("riched32");
-    dllname += _T(".dll");
+    static const wxChar *dllnames[] =
+    {
+        _T("riched32"),
+        _T("riched20"),
+        _T("msftedit"),
+    };
+
+    wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max,
+                            RichEditDllNamesVersionsMismatch );

 
 

-    ms_hRichEdit[version] = ::LoadLibrary(dllname);
+    ms_hRichEdit[version] = ::LoadLibrary(dllnames[version]);

 
     if ( !ms_hRichEdit[version] )
     {
 
     if ( !ms_hRichEdit[version] )
     {

-        wxLogSysError(_("Could not load Rich Edit DLL '%s'"), dllname.c_str());
-
-        ms_hRichEdit[version] = (HINSTANCE)-1;
+        ms_hRichEdit[version] = INVALID_HINSTANCE;

 
         return false;
     }
 
         return false;
     }


@@ -2677,6 +2848,23 @@ bool wxRichEditModule::Load(int version)
     return true;
 }
 
     return true;
 }
 

+#if wxUSE_INKEDIT
+// load the InkEdit library
+bool wxRichEditModule::LoadInkEdit()
+{
+    static wxDynamicLibrary ms_inkEditLib;
+    static bool             ms_inkEditLibLoadAttemped;
+    if (ms_inkEditLibLoadAttemped)
+        ms_inkEditLib.IsLoaded();
+
+    ms_inkEditLibLoadAttemped = true;
+
+    wxLogNull logNull;
+    return ms_inkEditLib.Load(wxT("inked"));
+}
+#endif
+
+

 #endif // wxUSE_RICHEDIT
 
 #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)
 #endif // wxUSE_RICHEDIT
 
 #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)