*** empty log message ***

[wxWidgets.git] / src / os2 / textctrl.cpp

diff --git a/src/os2/textctrl.cpp b/src/os2/textctrl.cpp
index 720e6082be0ddc57b38b5d63999634d7d0435d1c..3ca7f9177c6ceedd219dc24ce50907d3f2dd7946 100644 (file)
--- a/src/os2/textctrl.cpp
+++ b/src/os2/textctrl.cpp
@@ -1,40 +1,59 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        textctrl.cpp
 // Purpose:     wxTextCtrl
 /////////////////////////////////////////////////////////////////////////////
 // Name:        textctrl.cpp
 // Purpose:     wxTextCtrl

-// Author:      AUTHOR
+// Author:      David Webster

 // Modified by:
 // Modified by:

-// Created:     ??/??/98
+// Created:     10/17/99

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) David Webster
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "textctrl.h"
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/textctrl.h"
+    #include "wx/settings.h"
+    #include "wx/brush.h"
+    #include "wx/utils.h"
+    #include "wx/log.h"

 #endif
 
 #endif
 

-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fstream.h>
+#if wxUSE_CLIPBOARD
+    #include "wx/app.h"
+    #include "wx/clipbrd.h"
+#endif

 
 

-#include "wx/textctrl.h"
-#include "wx/settings.h"
-#include "wx/filefn.h"
-#include "wx/utils.h"
+#include "wx/textfile.h"
+
+#include "wx/os2/private.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>

 
 

-#if defined(__BORLANDC__) && !defined(__WIN32__)
-#include <alloc.h>
+#if wxUSE_IOSTREAMH
+#   include <fstream.h>

 #else
 #else

-#ifndef __GNUWIN32__
-#include <malloc.h>
-#endif
+#   include <fstream>

 #endif
 
 #endif
 

-#if !USE_SHARED_LIBRARY
+
+// ----------------------------------------------------------------------------
+// event tables and other macros
+// ----------------------------------------------------------------------------
+

 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)

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

     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)


@@ -47,299 +66,587 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 END_EVENT_TABLE()
     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 END_EVENT_TABLE()

-#endif

 
 

-// Text item
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// creation
+// ----------------------------------------------------------------------------
+

 wxTextCtrl::wxTextCtrl()
 wxTextCtrl::wxTextCtrl()

-#ifndef NO_TEXT_WINDOW_STREAM
- :streambuf()
-#endif

 {
 {

-    m_fileName = "";

 }
 
 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 }
 
 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,

-                  const wxString& value,
-           const wxPoint& pos,
-           const wxSize& size, long style,
-           const wxValidator& validator,
-           const wxString& name)
+                        const wxString& value,
+                        const wxPoint& pos,
+                        const wxSize& size,
+                        long style,
+#if wxUSE_VALIDATORS
+                        const wxValidator& validator,
+#endif
+                        const wxString& name)

 {
 {

-    m_fileName = "";
-    SetName(name);
-    SetValidator(validator);
-    if (parent) parent->AddChild(this);
+    // base initialization
+    if ( !CreateBase(parent, id, pos, size, style, validator, name) )
+        return FALSE;

 
 

-    m_windowStyle = style;
+    // Validator was set in CreateBase
+    //SetValidator(validator);
+    if ( parent )
+        parent->AddChild(this);

 
 

-    if ( id == -1 )
-           m_windowId = (int)NewControlId();
+    // set colours
+    SetupColours();
+
+    // translate wxWin style flags to MSW ones, checking for consistency while
+    // doing it
+// TODO:
+/*
+    long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
+    if ( m_windowStyle & wxTE_MULTILINE )
+    {
+        wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
+                      wxT("wxTE_PROCESS_ENTER style is ignored for multiline "
+                         "text controls (they always process it)") );
+
+        msStyle |= ES_MULTILINE | ES_WANTRETURN;
+        if ((m_windowStyle & wxTE_NO_VSCROLL) == 0)
+            msStyle |= WS_VSCROLL;
+        m_windowStyle |= wxTE_PROCESS_ENTER;
+    }

     else
     else

-           m_windowId = id;
+        msStyle |= ES_AUTOHSCROLL;
+
+    if (m_windowStyle & wxHSCROLL)
+        msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL);
+
+    if (m_windowStyle & wxTE_READONLY)
+        msStyle |= ES_READONLY;
+
+    if (m_windowStyle & wxHSCROLL)
+        msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL);
+    if (m_windowStyle & wxTE_PASSWORD) // hidden input
+        msStyle |= ES_PASSWORD;
+
+    // we always want the characters and the arrows
+    m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
+
+    // we may have several different cases:
+    // 1. normal case: both TAB and ENTER are used for dialog navigation
+    // 2. ctrl which wants TAB for itself: ENTER is used to pass to the next
+    //    control in the dialog
+    // 3. ctrl which wants ENTER for itself: TAB is used for dialog navigation
+    // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to pass to
+    //    the next control
+    if ( m_windowStyle & wxTE_PROCESS_ENTER )
+        m_lDlgCode |= DLGC_WANTMESSAGE;
+    if ( m_windowStyle & wxTE_PROCESS_TAB )
+        m_lDlgCode |= DLGC_WANTTAB;
+
+    // do create the control - either an EDIT or RICHEDIT
+    const wxChar *windowClass = wxT("EDIT");
+
+    bool want3D;
+    WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
+
+    // Even with extended styles, need to combine with WS_BORDER for them to
+    // look right.
+    if ( want3D || wxStyleHasBorder(m_windowStyle) )
+        msStyle |= WS_BORDER;
+
+    // NB: don't use pos and size as CreateWindowEx arguments because they
+    //     might be -1 in which case we should use the default values (and
+    //     SetSize called below takes care of it)
+    m_hWnd = (WXHWND)::CreateWindowEx(exStyle,
+                                      windowClass,
+                                      NULL,
+                                      msStyle,
+                                      0, 0, 0, 0,
+                                      GetHwndOf(parent),
+                                      (HMENU)m_windowId,
+                                      wxGetInstance(),
+                                      NULL);
+
+    wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create text ctrl") );
+*/
+    SubclassWin(GetHWND());
+
+    // set font, position, size and initial value
+    wxFont& fontParent = parent->GetFont();
+    if ( fontParent.Ok() )
+    {
+        SetFont(fontParent);
+    }
+    else
+    {
+        SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
+    }
+
+    SetSize(pos.x, pos.y, size.x, size.y);

 
     return TRUE;
 }
 
 
     return TRUE;
 }
 

+// Make sure the window style (etc.) reflects the HWND style (roughly)
+void wxTextCtrl::AdoptAttributesFromHWND()
+{
+  wxWindow::AdoptAttributesFromHWND();
+
+  HWND hWnd = GetHwnd();
+  // TODO:
+  /*
+  long style = GetWindowLong(hWnd, GWL_STYLE);
+
+  if (style & ES_MULTILINE)
+    m_windowStyle |= wxTE_MULTILINE;
+  if (style & ES_PASSWORD)
+    m_windowStyle |= wxTE_PASSWORD;
+  if (style & ES_READONLY)
+    m_windowStyle |= wxTE_READONLY;
+  if (style & ES_WANTRETURN)
+    m_windowStyle |= wxTE_PROCESS_ENTER;
+  */
+}
+
+void wxTextCtrl::SetupColours()
+{
+    // FIXME why is bg colour not inherited from parent?
+    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    SetForegroundColour(GetParent()->GetForegroundColour());
+}
+
+// ----------------------------------------------------------------------------
+// set/get the controls text
+// ----------------------------------------------------------------------------
+

 wxString wxTextCtrl::GetValue() const
 {
 wxString wxTextCtrl::GetValue() const
 {

-    // TODO
-    return wxString("");
+    return wxGetWindowText(GetHWND());

 }
 
 void wxTextCtrl::SetValue(const wxString& value)
 {
 }
 
 void wxTextCtrl::SetValue(const wxString& value)
 {

-    // TODO
+// TODO:
+/*
+    wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+
+    SetWindowText(GetHwnd(), valueDos);
+
+    AdjustSpaceLimit();
+*/
+}
+
+void wxTextCtrl::WriteText(const wxString& value)
+{
+// TODO:
+/*
+    wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+
+    SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
+
+    AdjustSpaceLimit();
+*/

 }
 
 }
 

-void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxTextCtrl::AppendText(const wxString& text)
+{
+// TODO:
+/*
+    SetInsertionPointEnd();
+    WriteText(text);
+*/
+}
+
+void wxTextCtrl::Clear()

 {
 {

-    // TODO
+//    SetWindowText(GetHwnd(), wxT(""));

 }
 
 }
 

+// ----------------------------------------------------------------------------

 // Clipboard operations
 // Clipboard operations

+// ----------------------------------------------------------------------------
+

 void wxTextCtrl::Copy()
 {
 void wxTextCtrl::Copy()
 {

-    // TODO
+    if (CanCopy())
+    {
+        HWND hWnd = GetHwnd();
+//        SendMessage(hWnd, WM_COPY, 0, 0L);
+    }

 }
 
 void wxTextCtrl::Cut()
 {
 }
 
 void wxTextCtrl::Cut()
 {

-    // TODO
+    if (CanCut())
+    {
+        HWND hWnd = GetHwnd();
+//        SendMessage(hWnd, WM_CUT, 0, 0L);
+    }

 }
 
 void wxTextCtrl::Paste()
 {
 }
 
 void wxTextCtrl::Paste()
 {

-    // TODO
+    if (CanPaste())
+    {
+        HWND hWnd = GetHwnd();
+//        SendMessage(hWnd, WM_PASTE, 0, 0L);
+    }
+}
+
+bool wxTextCtrl::CanCopy() const
+{
+    // Can copy if there's a selection
+    long from = 0L;
+    long to = 0L;
+//    GetSelection(& from, & to);
+    return (from != to);
+}
+
+bool wxTextCtrl::CanCut() const
+{
+    // Can cut if there's a selection
+    long from = 0L;
+    long to = 0L;
+//    GetSelection(& from, & to);
+    return (from != to);
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+    if (!IsEditable())
+        return FALSE;
+
+    // Standard edit control: check for straight text on clipboard
+    bool isTextAvailable = FALSE;
+//TODO:
+/*
+    if ( ::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
+    {
+        isTextAvailable = (::IsClipboardFormatAvailable(CF_TEXT) != 0);
+        ::CloseClipboard();
+    }
+*/
+    return isTextAvailable;

 }
 
 }
 

+// ----------------------------------------------------------------------------
+// Accessors
+// ----------------------------------------------------------------------------
+

 void wxTextCtrl::SetEditable(bool editable)
 {
 void wxTextCtrl::SetEditable(bool editable)
 {

-    // TODO
+    HWND hWnd = GetHwnd();
+//    SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);

 }
 
 void wxTextCtrl::SetInsertionPoint(long pos)
 {
 }
 
 void wxTextCtrl::SetInsertionPoint(long pos)
 {

-    // TODO
+// TODO:
+/*
+    HWND hWnd = GetHwnd();
+    {
+        SendMessage(hWnd, EM_SETSEL, pos, pos);
+        SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+    }
+    static const char *nothing = "";
+    SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
+*/

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

+// TODO:
+/*

     long pos = GetLastPosition();
     SetInsertionPoint(pos);
     long pos = GetLastPosition();
     SetInsertionPoint(pos);

+*/

 }
 
 long wxTextCtrl::GetInsertionPoint() const
 {
 }
 
 long wxTextCtrl::GetInsertionPoint() const
 {

-    // TODO
+// TODO:
+/*
+    DWORD Pos = (DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
+    return Pos & 0xFFFF;
+*/

     return 0;
 }
 
 long wxTextCtrl::GetLastPosition() const
 {
     return 0;
 }
 
 long wxTextCtrl::GetLastPosition() const
 {

-    // TODO
-    return 0;
-}
+    HWND hWnd = GetHwnd();

 
 

-void wxTextCtrl::Replace(long from, long to, const wxString& value)
-{
-    // TODO
-}
+// TODO:
+/*
+    // Will always return a number > 0 (according to docs)
+    int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);

 
 

-void wxTextCtrl::Remove(long from, long to)
-{
-    // TODO
-}
+    // This gets the char index for the _beginning_ of the last line
+    int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);

 
 

-void wxTextCtrl::SetSelection(long from, long to)
-{
-    // TODO
+    // Get number of characters in the last line. We'll add this to the character
+    // index for the last line, 1st position.
+    int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
+
+    return (long)(charIndex + lineLength);
+*/
+    return 0L;

 }
 
 }
 

-bool wxTextCtrl::LoadFile(const wxString& file)
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const

 {
 {

-    if (!wxFileExists(file))
-        return FALSE;
+    DWORD dwStart, dwEnd;
+    MPARAM wParam = (MPARAM) (DWORD*) & dwStart; // receives starting position
+    MPARAM lParam = (MPARAM) (DWORD*) & dwEnd;   // receives ending position

 
 

-    m_fileName = file;
+//    ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);

 
 

-    Clear();
+    *from = dwStart;
+    *to = dwEnd;
+}

 
 

-    ifstream input((char*) (const char*) file, ios::nocreate | ios::in);
+bool wxTextCtrl::IsEditable() const
+{
+// TODO:
+/*
+    long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);

 
 

-    if (!input.bad())
-    {
-        struct stat stat_buf;
-        if (stat(file, &stat_buf) < 0)
-            return FALSE;
-        // This may need to be a bigger buffer than the file size suggests,
-        // if it's a UNIX file. Give it an extra 1000 just in case.
-        char *tmp_buffer = (char*)malloc((size_t)(stat_buf.st_size+1+1000));
-        long no_lines = 0;
-        long pos = 0;
-        while (!input.eof() && input.peek() != EOF)
-        {
-            input.getline(wxBuffer, 500);
-               int len = strlen(wxBuffer);
-               wxBuffer[len] = 13;
-               wxBuffer[len+1] = 10;
-               wxBuffer[len+2] = 0;
-               strcpy(tmp_buffer+pos, wxBuffer);
-               pos += strlen(wxBuffer);
-               no_lines++;
-         }
-
-         // TODO add line
-
-         free(tmp_buffer);
-
-         return TRUE;
-    }
+    return ((style & ES_READONLY) == 0);
+*/

     return FALSE;
 }
 
     return FALSE;
 }
 

-// If file is null, try saved file name first
-// Returns TRUE if succeeds.
-bool wxTextCtrl::SaveFile(const wxString& file)
+// ----------------------------------------------------------------------------
+// Editing
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Replace(long from, long to, const wxString& value)

 {
 {

-    wxString theFile(file);
-    if (theFile == "")
-        theFile = m_fileName;
-    if (theFile == "")
-        return FALSE;
-    m_fileName = theFile;
+#if wxUSE_CLIPBOARD
+    HWND hWnd = GetHwnd();
+    long fromChar = from;
+    long toChar = to;

 
 

-    ofstream output((char*) (const char*) theFile);
-    if (output.bad())
-           return FALSE;
+    // Set selection and remove it
+//    SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
+//    SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);

 
 

-    // TODO get and save text
+    // Now replace with 'value', by pasting.
+    wxSetClipboardData(wxDF_TEXT, (wxObject *) (const wxChar *)value, 0, 0);

 
 

-    return FALSE;
+    // Paste into edit control
+//    SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
+#else
+    wxFAIL_MSG("wxTextCtrl::Replace not implemented if wxUSE_CLIPBOARD is 0.");
+#endif

 }
 
 }
 

-void wxTextCtrl::WriteText(const wxString& text)
+void wxTextCtrl::Remove(long from, long to)

 {
 {

-    // TODO write text to control
+    HWND hWnd = GetHwnd();
+    long fromChar = from;
+    long toChar = to;
+
+    // Cut all selected text
+//    SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
+//    SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);

 }
 
 }
 

-void wxTextCtrl::AppendText(const wxString& text)
+void wxTextCtrl::SetSelection(long from, long to)

 {
 {

-    // TODO append text to control
+    HWND hWnd = GetHwnd();
+    long fromChar = from;
+    long toChar = to;
+
+    // if from and to are both -1, it means (in wxWindows) that all text should
+    // be selected. Translate into Windows convention
+    if ((from == -1) && (to == -1))
+    {
+      fromChar = 0;
+      toChar = -1;
+    }
+
+//    SendMessage(hWnd, EM_SETSEL, (WPARAM)fromChar, (LPARAM)toChar);
+//    SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);

 }
 
 }
 

-void wxTextCtrl::Clear()
+bool wxTextCtrl::LoadFile(const wxString& file)

 {
 {

-    // TODO
+// TODO:
+/*
+    if ( wxTextCtrlBase::LoadFile(file) )
+    {
+        // update the size limit if needed
+        AdjustSpaceLimit();
+
+        return TRUE;
+    }
+*/
+    return FALSE;

 }
 
 bool wxTextCtrl::IsModified() const
 {
 }
 
 bool wxTextCtrl::IsModified() const
 {

-    // TODO
+//    return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0);

     return FALSE;
 }
 
 // Makes 'unmodified'
 void wxTextCtrl::DiscardEdits()
 {
     return FALSE;
 }
 
 // Makes 'unmodified'
 void wxTextCtrl::DiscardEdits()
 {

-    // TODO
+//    SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);

 }
 
 int wxTextCtrl::GetNumberOfLines() const
 {
 }
 
 int wxTextCtrl::GetNumberOfLines() const
 {

-    // TODO
+//    return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);

     return 0;
 }
 
 long wxTextCtrl::XYToPosition(long x, long y) const
 {
     return 0;
 }
 
 long wxTextCtrl::XYToPosition(long x, long y) const
 {

-    // TODO
-    return 0;
+    HWND hWnd = GetHwnd();
+
+    // This gets the char index for the _beginning_ of this line
+// TODO:
+/*
+    int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
+    return (long)(x + charIndex);
+*/
+    return 0L;

 }
 
 }
 

-void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const

 {
 {

-    // TODO
+    HWND hWnd = GetHwnd();
+
+    // This gets the line number containing the character
+    int lineNo = -1;
+//    lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+
+    if ( lineNo == -1 )
+    {
+        // no such line
+        return FALSE;
+    }
+
+    // This gets the char index for the _beginning_ of this line
+    int charIndex = 0; // TODO: (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
+    if ( charIndex == -1 )
+    {
+        return FALSE;
+    }
+
+    // The X position must therefore be the different between pos and charIndex
+    if ( x )
+        *x = (long)(pos - charIndex);
+    if ( y )
+        *y = (long)lineNo;
+
+    return TRUE;

 }
 
 void wxTextCtrl::ShowPosition(long pos)
 {
 }
 
 void wxTextCtrl::ShowPosition(long pos)
 {

-    // TODO
+    HWND hWnd = GetHwnd();
+
+    // To scroll to a position, we pass the number of lines and characters
+    // to scroll *by*. This means that we need to:
+    // (1) Find the line position of the current line.
+    // (2) Find the line position of pos.
+    // (3) Scroll by (pos - current).
+    // For now, ignore the horizontal scrolling.
+
+    // Is this where scrolling is relative to - the line containing the caret?
+    // Or is the first visible line??? Try first visible line.
+//    int currentLineLineNo1 = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
+
+// TODO:
+/*
+    int currentLineLineNo = (int)SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
+
+    int specifiedLineLineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
+
+    int linesToScroll = specifiedLineLineNo - currentLineLineNo;
+
+    if (linesToScroll != 0)
+      (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
+*/

 }
 
 int wxTextCtrl::GetLineLength(long lineNo) const
 {
 }
 
 int wxTextCtrl::GetLineLength(long lineNo) const
 {

-    // TODO
+// TODO:
+/*
+
+    long charIndex = XYToPosition(0, lineNo);
+    int len = (int)SendMessage(GetHwnd(), EM_LINELENGTH, charIndex, 0);
+    return len;
+*/

     return 0;
 }
 
 wxString wxTextCtrl::GetLineText(long lineNo) const
 {
     return 0;
 }
 
 wxString wxTextCtrl::GetLineText(long lineNo) const
 {

-    // TODO
-    return wxString("");
-}
+    size_t len = (size_t)GetLineLength(lineNo) + 1;
+    char *buf = (char *)malloc(len);
+    *(WORD *)buf = len;
+    int noChars = 0; // TODO:(int)SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
+    buf[noChars] = 0;

 
 

-bool wxTextCtrl::CanCopy() const
-{
-    // Can copy if there's a selection
-    long from, to;
-    GetSelection(& from, & to);
-    return (from != to) ;
-}
+    wxString str(buf);

 
 

-bool wxTextCtrl::CanCut() const
-{
-    // Can cut if there's a selection
-    long from, to;
-    GetSelection(& from, & to);
-    return (from != to) ;
-}
+    free(buf);

 
 

-bool wxTextCtrl::CanPaste() const
-{
-    return IsEditable() ;
+    return str;

 }
 
 }
 

+// ----------------------------------------------------------------------------

 // Undo/redo
 // Undo/redo

+// ----------------------------------------------------------------------------
+

 void wxTextCtrl::Undo()
 {
 void wxTextCtrl::Undo()
 {

-    // TODO
+    if (CanUndo())
+    {
+//        ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+    }

 }
 
 void wxTextCtrl::Redo()
 {
 }
 
 void wxTextCtrl::Redo()
 {

-    // TODO
+    if (CanRedo())
+    {
+        // Same as Undo, since Undo undoes the undo, i.e. a redo.
+//        ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+    }

 }
 
 bool wxTextCtrl::CanUndo() const
 {
 }
 
 bool wxTextCtrl::CanUndo() const
 {

-    // TODO
+//    return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);

     return FALSE;
 }
 
 bool wxTextCtrl::CanRedo() const
 {
     return FALSE;
 }
 
 bool wxTextCtrl::CanRedo() const
 {

-    // TODO
+//    return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);

     return FALSE;
 }
 
     return FALSE;
 }
 

-// If the return values from and to are the same, there is no
-// selection.
-void wxTextCtrl::GetSelection(long* from, long* to) const
-{
-    // TODO
-    *from = 0;
-    *to = 0;
-}
-
-bool wxTextCtrl::IsEditable() const
-{
-    // TODO
-    return FALSE;
-}
+// ----------------------------------------------------------------------------
+// implemenation details
+// ----------------------------------------------------------------------------

 
 void wxTextCtrl::Command(wxCommandEvent & event)
 {
 
 void wxTextCtrl::Command(wxCommandEvent & event)
 {

-    SetValue (event.GetString());
+    SetValue(event.GetString());

     ProcessCommand (event);
 }
 
     ProcessCommand (event);
 }
 


@@ -352,161 +659,166 @@ void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
     }
 }
 
     }
 }
 

-// The streambuf code was partly taken from chapter 3 by Jerry Schwarz of
-// AT&T's "C++ Lanuage System Release 3.0 Library Manual" - Stein Somers
-
-//=========================================================================
-// Called then the buffer is full (gcc 2.6.3) 
-// or when "endl" is output (Borland 4.5)
-//=========================================================================
-// Class declaration using multiple inheritance doesn't work properly for
-// Borland. See note in wb_text.h.
-#ifndef NO_TEXT_WINDOW_STREAM
-int wxTextCtrl::overflow(int c)
-{
-  // Make sure there is a holding area
-  if ( allocate()==EOF )
-  {
-    wxError("Streambuf allocation failed","Internal error");
-    return EOF;
-  }
-  
-  // Verify that there are no characters in get area
-  if ( gptr() && gptr() < egptr() )
-  {
-     wxError("Who's trespassing my get area?","Internal error");
-     return EOF;
-  }
-
-  // Reset get area
-  setg(0,0,0);
-
-  // Make sure there is a put area
-  if ( ! pptr() )
-  {
-/* This doesn't seem to be fatal so comment out error message */
-//    wxError("Put area not opened","Internal error");
-    setp( base(), base() );
-  }
-
-  // Determine how many characters have been inserted but no consumed
-  int plen = pptr() - pbase();
-
-  // Now Jerry relies on the fact that the buffer is at least 2 chars
-  // long, but the holding area "may be as small as 1" ???
-  // And we need an additional \0, so let's keep this inefficient but
-  // safe copy.
-
-  // If c!=EOF, it is a character that must also be comsumed
-  int xtra = c==EOF? 0 : 1;
-
-  // Write temporary C-string to wxTextWindow
-  {
-  char *txt = new char[plen+xtra+1];
-  memcpy(txt, pbase(), plen);
-  txt[plen] = (char)c;     // append c
-  txt[plen+xtra] = '\0';   // append '\0' or overwrite c
-    // If the put area already contained \0, output will be truncated there
-  AppendText(txt);
-    delete[] txt;
-  }
-
-  // Reset put area
-  setp(pbase(), epptr());
-
-#if defined(__WATCOMC__)
-  return __NOT_EOF;
-#elif defined(zapeof)     // HP-UX (all cfront based?)
-  return zapeof(c);
-#else
-  return c!=EOF ? c : 0;  // this should make everybody happy
-#endif
-}
+WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
+                                WXUINT message, WXWPARAM wParam,
+                                WXLPARAM lParam)
+{
+    HDC hdc = (HDC)pDC;
+// TODO:
+/*
+    SetBkMode(hdc, GetParent()->GetTransparentBackground() ? TRANSPARENT
+                                                           : OPAQUE);

 
 

-//=========================================================================
-// called then "endl" is output (gcc) or then explicit sync is done (Borland)
-//=========================================================================
-int wxTextCtrl::sync()
-{
-  // Verify that there are no characters in get area
-  if ( gptr() && gptr() < egptr() )
-  {
-     wxError("Who's trespassing my get area?","Internal error");
-     return EOF;
-  }
-
-  if ( pptr() && pptr() > pbase() ) return overflow(EOF);
-
-  return 0;
-/* OLD CODE
-  int len = pptr() - pbase();
-  char *txt = new char[len+1];
-  strncpy(txt, pbase(), len);
-  txt[len] = '\0';
-  (*this) << txt;
-  setp(pbase(), epptr());
-  delete[] txt;
-  return 0;
+    ::SetBkColor(hdc, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
+    ::SetTextColor(hdc, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));

 */
 */

-}
+    wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);

 
 

-//=========================================================================
-// Should not be called by a "ostream". Used by a "istream"
-//=========================================================================
-int wxTextCtrl::underflow()
-{
-  return EOF;
+    return (WXHBRUSH) backgroundBrush->GetResourceHandle();

 }
 }

-#endif

 
 

-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
+void wxTextCtrl::OnChar(wxKeyEvent& event)

 {
 {

-    AppendText(s);
-    return *this;
-}
+    switch ( event.KeyCode() )
+    {
+// TODO:
+/*
+        case WXK_RETURN:
+            if ( !(m_windowStyle & wxTE_MULTILINE) )
+            {
+                wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+                event.SetEventObject( this );
+                if ( GetEventHandler()->ProcessEvent(event) )
+                    return;
+            }
+            //else: multiline controls need Enter for themselves
+
+            break;
+
+        case WXK_TAB:
+            // always produce navigation event - even if we process TAB
+            // ourselves the fact that we got here means that the user code
+            // decided to skip processing of this TAB - probably to let it
+            // do its default job.
+            //
+            // NB: Notice that Ctrl-Tab is handled elsewhere and Alt-Tab is
+            //     handled by Windows
+            {
+                wxNavigationKeyEvent eventNav;
+                eventNav.SetDirection(!event.ShiftDown());
+                eventNav.SetWindowChange(FALSE);
+                eventNav.SetEventObject(this);
+
+                if ( GetEventHandler()->ProcessEvent(eventNav) )
+                    return;
+            }
+            break;
+*/
+        default:
+            event.Skip();
+            return;
+    }

 
 

-wxTextCtrl& wxTextCtrl::operator<<(float f)
-{
-    wxString str;
-    str.Printf("%.2f", f);
-    AppendText(str);
-    return *this;
+    // don't just call event.Skip() because this will cause TABs and ENTERs
+    // be passed upwards and we don't always want this - instead process it
+    // right here
+
+    // FIXME
+    event.Skip();

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(double d)
+bool wxTextCtrl::OS2Command(WXUINT param, WXWORD WXUNUSED(id))

 {
 {

-    wxString str;
-    str.Printf("%.2f", d);
-    AppendText(str);
-    return *this;
+    switch (param)
+    {
+// TODO:
+/*
+        case EN_SETFOCUS:
+        case EN_KILLFOCUS:
+            {
+                wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
+                        : wxEVT_SET_FOCUS,
+                        m_windowId);
+                event.SetEventObject( this );
+                GetEventHandler()->ProcessEvent(event);
+            }
+            break;
+
+        case EN_CHANGE:
+            {
+                wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
+                wxString val(GetValue());
+                if ( !val.IsNull() )
+                    event.m_commandString = WXSTRINGCAST val;
+                event.SetEventObject( this );
+                ProcessCommand(event);
+            }
+            break;
+
+        case EN_ERRSPACE:
+            // the text size limit has been hit - increase it
+            AdjustSpaceLimit();
+            break;
+
+            // the other notification messages are not processed
+        case EN_UPDATE:
+        case EN_MAXTEXT:
+        case EN_HSCROLL:
+        case EN_VSCROLL:
+*/
+        default:
+            return FALSE;
+    }
+
+    // processed
+    return TRUE;

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(int i)
+void wxTextCtrl::AdjustSpaceLimit()

 {
 {

-    wxString str;
-    str.Printf("%d", i);
-    AppendText(str);
-    return *this;
+// TODO:
+/*
+    unsigned int len = ::GetWindowTextLength(GetHwnd()),
+    limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
+    if ( len > limit )
+    {
+        limit = len + 0x8000;    // 32Kb
+
+        if ( limit > 0xffff )
+            ::SendMessage(GetHwnd(), EM_LIMITTEXT, 0, limit);
+        else
+            ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
+    }
+*/

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(long i)
+bool wxTextCtrl::AcceptsFocus() const

 {
 {

-    wxString str;
-    str.Printf("%ld", i);
-    AppendText(str);
-    return *this;
+    // we don't want focus if we can't be edited
+    return IsEditable() && wxControl::AcceptsFocus();

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(const char c)
+wxSize wxTextCtrl::DoGetBestSize() const

 {
 {

-    char buf[2];
+    int cx, cy;
+    wxGetCharSize(GetHWND(), &cx, &cy, (wxFont*)&GetFont());

 
 

-    buf[0] = c;
-    buf[1] = 0;
-    AppendText(buf);
-    return *this;
+    int wText = DEFAULT_ITEM_WIDTH;
+
+    int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+    if ( m_windowStyle & wxTE_MULTILINE )
+    {
+        hText *= wxMin(GetNumberOfLines(), 5);
+    }
+    //else: for single line control everything is ok
+
+    return wxSize(wText, hText);

 }
 
 }
 

+// ----------------------------------------------------------------------------
+// standard handlers for standard edit menu events
+// ----------------------------------------------------------------------------
+

 void wxTextCtrl::OnCut(wxCommandEvent& event)
 {
     Cut();
 void wxTextCtrl::OnCut(wxCommandEvent& event)
 {
     Cut();


@@ -556,3 +868,4 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 {
     event.Enable( CanRedo() );
 }
 {
     event.Enable( CanRedo() );
 }

+