Added licence/copyright information

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

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index 4a2c859fe7b75f5a9f3a696a0bac9c7240b7500a..7151acb27dec4dc928ba40675328e169c6a17e63 100644 (file)
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -84,20 +84,28 @@
 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);

 
 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];

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

-HINSTANCE wxRichEditModule::ms_hRichEdit[2] = { NULL, NULL };
+HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL };

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


@@ -212,7 +220,7 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 
 #if wxUSE_RICHEDIT
     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 
 #if wxUSE_RICHEDIT

-    EVT_RIGHT_UP(wxTextCtrl::OnRightClick)
+    EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)

 #endif
 
     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 #endif
 
     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)


@@ -251,7 +259,6 @@ void wxTextCtrl::Init()
     m_privateContextMenu = NULL;
     m_updatesCount = -1;
     m_isNativeCaretShown = true;
     m_privateContextMenu = NULL;
     m_updatesCount = -1;
     m_isNativeCaretShown = true;

-    m_isCaretAtEnd = true;

 }
 
 wxTextCtrl::~wxTextCtrl()
 }
 
 wxTextCtrl::~wxTextCtrl()


@@ -282,6 +289,12 @@ 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");
+#endif
+

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


@@ -298,63 +311,58 @@ 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 ( m_verRichEdit == 2 )

         {
         {

-            // try to load the RichEdit DLL (will do nothing if already done)
-            if ( !wxRichEditModule::Load(verRichEdit) )
+            if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )

             {
             {

-#if !wxUSE_UNICODE
-                // try another version?
-                verRichEdit = 3 - verRichEdit; // 1 <-> 2
-
-                if ( !wxRichEditModule::Load(verRichEdit) )
-#endif // wxUSE_UNICODE
-                {
-                    wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
-
-                    s_errorGiven = true;
-                }
+                // 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
+                              _T("W");
+#else // ANSI
+                              _T("A");
+#endif // Unicode/ANSI
+            }
+            else // failed to load msftedit.dll and riched20.dll
+            {
+                m_verRichEdit = 1;

             }
         }
 
             }
         }
 

-        // have we managed to load any richedit version?
-        if ( !s_errorGiven )
+        if ( m_verRichEdit == 1 )

         {
         {

-            m_verRichEdit = verRichEdit;
-            if ( m_verRichEdit == 1 )
+            if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )

             {
             {

-                windowClass = wxT("RICHEDIT");
+                windowClass = _T("RICHEDIT");

             }
             }

-            else
+            else // failed to load any richedit control DLL

             {
             {

-#ifndef RICHEDIT_CLASS
-                wxString RICHEDIT_CLASS;
-                RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), m_verRichEdit);
-#if wxUSE_UNICODE
-                RICHEDIT_CLASS += _T('W');
-#else // ANSI
-                RICHEDIT_CLASS += _T('A');
-#endif // Unicode/ANSI
-#endif // !RICHEDIT_CLASS
+                // 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

 
 

-                windowClass = RICHEDIT_CLASS;
+                wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+
+                s_errorGiven = true;
+
+                m_verRichEdit = 0;

             }
         }
     }
             }
         }
     }


@@ -386,6 +394,17 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
             // 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 )
         {


@@ -1090,8 +1109,6 @@ void wxTextCtrl::SetEditable(bool editable)
 void wxTextCtrl::SetInsertionPoint(long pos)
 {
     DoSetSelection(pos, pos);
 void wxTextCtrl::SetInsertionPoint(long pos)
 {
     DoSetSelection(pos, pos);

-
-    m_isCaretAtEnd = pos == GetLastPosition();

 }
 
 void wxTextCtrl::SetInsertionPointEnd()
 }
 
 void wxTextCtrl::SetInsertionPointEnd()


@@ -1101,9 +1118,8 @@ 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 ( m_isCaretAtEnd || GetInsertionPoint() == GetLastPosition() )
+    if ( GetInsertionPoint() == GetLastPosition() )

     {
     {

-        m_isCaretAtEnd = true;

         return;
     }
 
         return;
     }
 


@@ -1141,7 +1157,7 @@ long wxTextCtrl::GetInsertionPoint() const
     return Pos & 0xFFFF;
 }
 
     return Pos & 0xFFFF;
 }
 

-long wxTextCtrl::GetLastPosition() const
+wxTextPos wxTextCtrl::GetLastPosition() const

 {
     int numLines = GetNumberOfLines();
     long posStartLastLine = XYToPosition(0, numLines - 1);
 {
     int numLines = GetNumberOfLines();
     long posStartLastLine = XYToPosition(0, numLines - 1);


@@ -1484,9 +1500,6 @@ void wxTextCtrl::ShowPosition(long pos)
 
     if (linesToScroll != 0)
       (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
 
     if (linesToScroll != 0)
       (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);

-
-    // be pessimistic
-    m_isCaretAtEnd = false;

 }
 
 long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
 }
 
 long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const


@@ -1563,9 +1576,6 @@ void wxTextCtrl::Undo()
     if (CanUndo())
     {
         ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
     if (CanUndo())
     {
         ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);

-
-        // it's not necessarily at the end any more
-        m_isCaretAtEnd = false;

     }
 }
 
     }
 }
 


@@ -1580,9 +1590,6 @@ void wxTextCtrl::Redo()
 #endif
         // Same as Undo, since Undo undoes the undo, i.e. a redo.
         ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
 #endif
         // Same as Undo, since Undo undoes the undo, i.e. a redo.
         ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);

-
-        // it's not necessarily at the end any more
-        m_isCaretAtEnd = false;

     }
 }
 
     }
 }
 


@@ -1879,12 +1886,12 @@ 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::AdjustSpaceLimit()


@@ -2043,7 +2050,7 @@ void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
     event.Enable(GetLastPosition() > 0);
 }
 
     event.Enable(GetLastPosition() > 0);
 }
 

-void wxTextCtrl::OnRightClick(wxMouseEvent& event)
+void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)

 {
 #if wxUSE_RICHEDIT
     if (IsRich())
 {
 #if wxUSE_RICHEDIT
     if (IsRich())


@@ -2061,7 +2068,7 @@ void wxTextCtrl::OnRightClick(wxMouseEvent& event)
             m_privateContextMenu->AppendSeparator();
             m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
         }
             m_privateContextMenu->AppendSeparator();
             m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
         }

-        PopupMenu(m_privateContextMenu, event.GetPosition());
+        PopupMenu(m_privateContextMenu);

         return;
     }
     else
         return;
     }
     else


@@ -2082,7 +2089,7 @@ void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
 // Default colors for MSW text control
 //
 // Set default background color to the native white instead of
 // Default colors for MSW text control
 //
 // Set default background color to the native white instead of

-// the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour). 
+// the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour).

 // ----------------------------------------------------------------------------
 
 wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const
 // ----------------------------------------------------------------------------
 
 wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const


@@ -2466,7 +2473,7 @@ bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
     {
         // we have to do this or the style wouldn't apply for the text typed by
         // the user
     {
         // we have to do this or the style wouldn't apply for the text typed by
         // the user

-        long posLast = GetLastPosition();
+        wxTextPos posLast = GetLastPosition();

         SetStyle(posLast, posLast, m_defaultStyle);
     }
 
         SetStyle(posLast, posLast, m_defaultStyle);
     }
 


@@ -2531,7 +2538,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
     wxStrcpy(lf.lfFaceName, cf.szFaceName);
 
     //NOTE:  we _MUST_ set each of these values to _something_ since we
     wxStrcpy(lf.lfFaceName, cf.szFaceName);
 
     //NOTE:  we _MUST_ set each of these values to _something_ since we

-    //do not call wxZeroMemory on the LOGFONT lf 
+    //do not call wxZeroMemory on the LOGFONT lf

     if (cf.dwEffects & CFE_ITALIC)
         lf.lfItalic = TRUE;
     else
     if (cf.dwEffects & CFE_ITALIC)
         lf.lfItalic = TRUE;
     else


@@ -2626,6 +2633,8 @@ 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


@@ -2636,7 +2645,7 @@ 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;


@@ -2645,17 +2654,9 @@ void wxRichEditModule::OnExit()
 }
 
 /* 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;


@@ -2667,16 +2668,21 @@ 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;
     }