1. fixed Maximise() mismatch between wxFrame and wxMDIFrame

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

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index f1c4883d4494c2717ec539bf883dfa20b729f552..9739c45681107e156f27c2c07e0fae9a6be427d8 100644 (file)
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -2,10 +2,9 @@
 // Name:        textctrl.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Name:        textctrl.cpp
 // Purpose:
 // Author:      Robert Roebling

-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -14,408 +13,952 @@
 
 #include "wx/textctrl.h"
 #include "wx/utils.h"
 
 #include "wx/textctrl.h"
 #include "wx/utils.h"

+#include "wx/intl.h"
+#include "wx/settings.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <ctype.h>
+
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+#include "gdk/gdkkeysyms.h"

 
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------

-//  wxTextCtrl
+// idle system

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern bool   g_blockEventsOnDrag;
+
+//-----------------------------------------------------------------------------
+//  "changed"
+//-----------------------------------------------------------------------------
+
+static void
+gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+{
+    if (!win->m_hasVMT) return;
+
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    win->SetModified();

 
 

-void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
-{ 
-  win->m_modified = TRUE;
-};
+    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
+    event.SetString( win->GetValue() );
+    event.SetEventObject( win );
+    win->GetEventHandler()->ProcessEvent( event );
+}
+
+//-----------------------------------------------------------------------------
+// "changed" from vertical scrollbar
+//-----------------------------------------------------------------------------

 
 

+static void
+gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+{
+    if (!win->m_hasVMT) return;
+
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    win->CalculateScrollbar();
+}
+
+//-----------------------------------------------------------------------------
+//  wxTextCtrl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)

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

-//  EVT_CHAR(wxTextCtrl::OnChar)
+    EVT_CHAR(wxTextCtrl::OnChar)
+
+    EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
+    EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
+    EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
+    EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
+    EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
+
+    EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
+    EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
+    EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
+    EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
+    EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)

 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 

-wxTextCtrl::wxTextCtrl(void) : streambuf()
+wxTextCtrl::wxTextCtrl()

 {
 {

-  m_modified = FALSE;
-};
+    m_modified = FALSE;
+}

 
 

-wxTextCtrl::wxTextCtrl( wxWindow *parent, const wxWindowID id, const wxString &value, 
-      const wxPoint &pos, const wxSize &size, 
-      const int style, const wxString &name ) : streambuf()
+wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
+      const wxPoint &pos, const wxSize &size,
+      int style, const wxValidator& validator, const wxString &name )

 {
 {

-  m_modified = FALSE;
-  Create( parent, id, value, pos, size, style, name );
-};
+    m_modified = FALSE;
+    Create( parent, id, value, pos, size, style, validator, name );
+}

 
 

-bool wxTextCtrl::Create( wxWindow *parent, const wxWindowID id, const wxString &value,
-      const wxPoint &pos, const wxSize &size, 
-      const int style, const wxString &name )
+bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
+      const wxPoint &pos, const wxSize &size,
+      int style, const wxValidator& validator, const wxString &name )

 {
 {

-  m_needParent = TRUE;
-  
-  PreCreation( parent, id, pos, size, style, name );
-  
-  if (style & wxTE_MULTILINE)
-    m_widget = gtk_text_new( NULL, NULL );
-  else
-    m_widget = gtk_entry_new();
-    
-  wxSize newSize = size;
-  if (newSize.x == -1) newSize.x = 80;
-  if (newSize.y == -1) newSize.y = 26;
-  SetSize( newSize.x, newSize.y );
-  
-  PostCreation();
-  
-  if (!value.IsNull())
-  {
-    gint tmp = 0;
-    
-    // Don't know why this is so
-    if (style & wxTE_MULTILINE)
-      gtk_editable_insert_text( GTK_EDITABLE(m_widget), value, value.Length()+1, &tmp );
+    m_needParent = TRUE;
+    m_acceptsFocus = TRUE;
+
+    PreCreation( parent, id, pos, size, style, name );
+
+#if wxUSE_VALIDATORS
+    SetValidator( validator );
+#endif // wxUSE_VALIDATORS
+
+    m_vScrollbarVisible = FALSE;
+
+    bool multi_line = (style & wxTE_MULTILINE) != 0;
+    if (multi_line)
+    {
+#if (GTK_MINOR_VERSION > 2)
+        /* a multi-line edit control: create a vertical scrollbar by default and
+           horizontal if requested */
+        bool bHasHScrollbar = (style & wxHSCROLL) != 0;
+#else
+        bool bHasHScrollbar = FALSE;
+#endif
+
+        /* create our control ... */
+        m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
+
+        /* ... and put into the upper left hand corner of the table */
+        m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
+        GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
+        gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
+                      (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
+                      (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
+                       0, 0);
+
+        /* always wrap words */
+        gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
+
+#if (GTK_MINOR_VERSION > 2)
+        /* put the horizontal scrollbar in the lower left hand corner */
+        if (bHasHScrollbar)
+        {
+            GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
+            GTK_WIDGET_UNSET_FLAGS( hscrollbar, GTK_CAN_FOCUS );
+            gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2,
+                       (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
+                       GTK_FILL,
+                       0, 0);
+            gtk_widget_show(hscrollbar);
+
+            /* don't wrap lines, otherwise we wouldn't need the scrollbar */
+            gtk_text_set_line_wrap( GTK_TEXT(m_text), FALSE );
+        }
+#endif
+
+        /* finally, put the vertical scrollbar in the upper right corner */
+        m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
+        GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
+        gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
+                     GTK_FILL,
+                     (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
+                     0, 0);
+    }

     else
     else

-      gtk_editable_insert_text( GTK_EDITABLE(m_widget), value, value.Length(), &tmp );
-  };
-  
-  if (style & wxREADONLY)
-  {
-  }
-  else
-  {
-    if (style & wxTE_MULTILINE) gtk_text_set_editable( GTK_TEXT(m_widget), 1 );
-  };
-  
-  Show( TRUE );
-    
-  return TRUE;
-};
+    {
+        /* a single-line text control: no need for scrollbars */
+        m_widget =
+          m_text = gtk_entry_new();
+    }
+
+    wxSize newSize = size;
+    if (newSize.x == -1) newSize.x = 80;
+    if (newSize.y == -1) newSize.y = 26;
+    SetSize( newSize.x, newSize.y );
+
+    m_parent->DoAddChild( this );
+
+    PostCreation();
+
+    if (multi_line)
+        gtk_widget_show(m_text);
+
+    /* we want to be notified about text changes */
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+    if (multi_line)
+    {
+        gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
+          (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
+    }
+
+    if (!value.IsEmpty())
+    {
+        gint tmp = 0;
+
+#if GTK_MINOR_VERSION == 0
+        // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
+        // gtk_editable_insert_text()
+        gtk_widget_realize(m_text);
+#endif // GTK 1.0
+
+#if wxUSE_UNICODE
+        wxWX2MBbuf val = value.mbc_str();
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
+#else // !Unicode
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
+#endif // Unicode/!Unicode
+
+        if (multi_line)
+        {
+            /* bring editable's cursor uptodate. bug in GTK. */
+
+            GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
+        }
+    }
+
+    if (style & wxTE_PASSWORD)
+    {
+        if (!multi_line)
+            gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
+    }
+
+    if (style & wxTE_READONLY)
+    {
+        if (!multi_line)
+            gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
+    }
+    else
+    {
+        if (multi_line)
+            gtk_text_set_editable( GTK_TEXT(m_text), 1 );
+    }
+
+    SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) );
+    SetForegroundColour( parent->GetForegroundColour() );
+
+    Show( TRUE );

 
 

-wxString wxTextCtrl::GetValue(void) const
+    return TRUE;
+}
+
+void wxTextCtrl::CalculateScrollbar()

 {
 {

-  wxString tmp;
-  if (m_windowStyle & wxTE_MULTILINE)
-  {
-    gint len = gtk_text_get_length( GTK_TEXT(m_widget) );
-    tmp = gtk_editable_get_chars( GTK_EDITABLE(m_widget), 0, len-1 );
-  }
-  else
-  {
-    tmp = gtk_entry_get_text( GTK_ENTRY(m_widget) );
-  };
-  return tmp;
-};
+    if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
+
+    GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
+
+    if (adj->upper - adj->page_size < 0.8)
+    {
+        if (m_vScrollbarVisible)
+        {
+            gtk_widget_hide( m_vScrollbar );
+            m_vScrollbarVisible = FALSE;
+        }
+    }
+    else
+    {
+        if (!m_vScrollbarVisible)
+        {
+            gtk_widget_show( m_vScrollbar );
+            m_vScrollbarVisible = TRUE;
+        }
+    }
+}
+
+wxString wxTextCtrl::GetValue() const
+{
+    wxCHECK_MSG( m_text != NULL, _T(""), _T("invalid text ctrl") );
+
+    wxString tmp;
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+        char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
+        tmp = wxString(text,*wxConvCurrent);
+        g_free( text );
+    }
+    else
+    {
+        tmp = wxString(gtk_entry_get_text( GTK_ENTRY(m_text) ),*wxConvCurrent);
+    }
+    return tmp;
+}

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

-  wxString tmp = "";
-  if (!value.IsNull()) tmp = value;
-  if (m_windowStyle & wxTE_MULTILINE)
-  {
-    gint len = gtk_text_get_length( GTK_TEXT(m_widget) );
-    gtk_editable_delete_text( GTK_EDITABLE(m_widget), 0, len-1 );
-    len = 0;
-    gtk_editable_insert_text( GTK_EDITABLE(m_widget), tmp, tmp.Length(), &len );
-  }
-  else
-  {
-    gtk_entry_set_text( GTK_ENTRY(m_widget), tmp );
-  };
-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
+
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+    wxString tmp = _T("");
+    if (!value.IsNull()) tmp = value;
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+        gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
+        len = 0;
+#if wxUSE_UNICODE
+        wxWX2MBbuf tmpbuf = tmp.mbc_str();
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), tmpbuf, strlen(tmpbuf), &len );
+#else
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp.mbc_str(), tmp.Length(), &len );
+#endif
+    }
+    else
+    {
+        gtk_entry_set_text( GTK_ENTRY(m_text), tmp.mbc_str() );
+    }
+
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+}

 
 void wxTextCtrl::WriteText( const wxString &text )
 {
 
 void wxTextCtrl::WriteText( const wxString &text )
 {

-  if (text.IsNull()) return;
-  
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
+
+    if (text.IsEmpty()) return;
+
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        /* this moves the cursor pos to behind the inserted text */
+        gint len = GTK_EDITABLE(m_text)->current_pos;
+
+#if wxUSE_UNICODE
+        wxWX2MBbuf buf = text.mbc_str();
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
+#else
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
+#endif
+
+        /* bring editable's cursor uptodate. bug in GTK. */
+        GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
+    }
+    else
+    {
+        /* this moves the cursor pos to behind the inserted text */
+        gint len = GTK_EDITABLE(m_text)->current_pos;
+#if wxUSE_UNICODE
+        wxWX2MBbuf buf = text.mbc_str();
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
+#else
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
+#endif
+
+        /* bring editable's cursor uptodate. bug in GTK. */
+        GTK_EDITABLE(m_text)->current_pos += text.Len();
+
+        /* bring entry's cursor uptodate. bug in GTK. */
+        gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
+    }
+
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+}
+
+void wxTextCtrl::AppendText( const wxString &text )
+{
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
+
+    if (text.IsEmpty()) return;
+
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        bool hasSpecialAttributes = m_font.Ok() ||
+                                    m_foregroundColour.Ok() ||
+                                    m_backgroundColour.Ok();
+        if ( hasSpecialAttributes )
+        {
+             gtk_text_insert( GTK_TEXT(m_text),
+                              m_font.GetInternalFont(),
+                              m_foregroundColour.GetColor(),
+                              m_backgroundColour.GetColor(),
+                              text.mbc_str(), text.length());
+
+        }
+        else
+        {
+            /* we'll insert at the last position */
+            gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+#if wxUSE_UNICODE
+            wxWX2MBbuf buf = text.mbc_str();
+            gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
+#else
+            gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
+#endif
+        }
+
+        /* bring editable's cursor uptodate. bug in GTK. */
+        GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
+    }
+    else
+    {
+        gtk_entry_append_text( GTK_ENTRY(m_text), text.mbc_str() );
+    }
+
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+}
+
+wxString wxTextCtrl::GetLineText( long lineNo ) const
+{

   if (m_windowStyle & wxTE_MULTILINE)
   {
   if (m_windowStyle & wxTE_MULTILINE)
   {

-    gint len = gtk_text_get_length( GTK_TEXT(m_widget) );
-    gtk_editable_insert_text( GTK_EDITABLE(m_widget), text, text.Length(), &len );
+    gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+    char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
+
+    if (text)
+    {
+        wxString buf(_T(""));
+        long i;
+        int currentLine = 0;
+        for (i = 0; currentLine != lineNo && text[i]; i++ )
+          if (text[i] == '\n')
+            currentLine++;
+        // Now get the text
+        int j;
+        for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
+            buf += text[i];
+
+        g_free( text );
+        return buf;
+    }
+    else
+      return wxEmptyString;

   }
   else
   {
   }
   else
   {

-    gtk_entry_append_text( GTK_ENTRY(m_widget), text );
-  };
-};
+    if (lineNo == 0) return GetValue();
+    return wxEmptyString;
+  }
+}

 
 

-bool wxTextCtrl::LoadFile( const wxString &WXUNUSED(file) )
+void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )

 {
 {

-  wxFAIL_MSG("wxTextCtrl::LoadFile not implemented");
+  /* If you implement this, don't forget to update the documentation!
+   * (file docs/latex/wx/text.tex) */
+    wxFAIL_MSG( _T("wxTextCtrl::OnDropFiles not implemented") );
+}

 
 

-  return FALSE;
-};
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
+{
+    if ( m_windowStyle & wxTE_MULTILINE )
+    {
+        wxString text = GetValue();
+
+        // cast to prevent warning. But pos really should've been unsigned.
+        if( (unsigned long)pos > text.Len()  )
+            return FALSE;
+
+        *x=0;   // First Col
+        *y=0;   // First Line
+
+        const wxChar* stop = text.c_str() + pos;
+        for ( const wxChar *p = text.c_str(); p < stop; p++ )
+        {
+            if (*p == _T('\n'))
+            {
+                (*y)++;
+                *x=0;
+            }
+            else
+                (*x)++;
+        }
+    }
+    else // single line control
+    {
+        if ( pos <= GTK_ENTRY(m_text)->text_length )
+        {
+            *y = 0;
+            *x = pos;
+        }
+        else
+        {
+            // index out of bounds
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}

 
 

-bool wxTextCtrl::SaveFile( const wxString &WXUNUSED(file) )
+long wxTextCtrl::XYToPosition(long x, long y ) const

 {
 {

-  wxFAIL_MSG("wxTextCtrl::SaveFile not implemented");
+    if (!(m_windowStyle & wxTE_MULTILINE)) return 0;

 
 

-  return FALSE;
-};
+    long pos=0;
+    for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'

 
 

-bool wxTextCtrl::IsModified(void)
+    pos += x;
+    return pos;
+}
+
+int wxTextCtrl::GetLineLength(long lineNo) const

 {
 {

-  return m_modified;
-};
+    wxString str = GetLineText (lineNo);
+    return (int) str.Length();
+}

 
 

-void wxTextCtrl::DiscardEdits(void)
+int wxTextCtrl::GetNumberOfLines() const
+{
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+        char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
+
+        if (text)
+        {
+            int currentLine = 0;
+            for (int i = 0; i < len; i++ )
+            {
+                if (text[i] == '\n')
+                    currentLine++;
+            }
+            g_free( text );
+
+            // currentLine is 0 based, add 1 to get number of lines
+            return currentLine + 1;
+        }
+        else
+        {
+            return 0;
+        }
+    }
+    else
+    {
+        return 1;
+    }
+}
+
+void wxTextCtrl::SetInsertionPoint( long pos )

 {
 {

-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
+
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        /* seems to be broken in GTK 1.0.X:
+           gtk_text_set_point( GTK_TEXT(m_text), (int)pos ); */
+
+        gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
+          GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+        /* we fake a set_point by inserting and deleting. as the user
+           isn't supposed to get to know about thos non-sense, we
+           disconnect so that no events are sent to the user program. */
+
+        gint tmp = (gint)pos;
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
+        gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
+
+        gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+          GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+        /* bring editable's cursor uptodate. another bug in GTK. */
+
+        GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
+    }
+    else
+    {
+        gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
+
+        /* bring editable's cursor uptodate. bug in GTK. */

 
 

-/*
-wxString wxTextCtrl::GetLineText( const long lineNo ) const
+        GTK_EDITABLE(m_text)->current_pos = pos;
+    }
+}
+
+void wxTextCtrl::SetInsertionPointEnd()

 {
 {

-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );

 
 

+    if (m_windowStyle & wxTE_MULTILINE)
+        SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
+    else
+        gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
+}

 
 

-void wxTextCtrl::OnDropFiles( wxDropFilesEvent &event )
+void wxTextCtrl::SetEditable( bool editable )

 {
 {

-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );

 
 

-long wxTextCtrl::PositionToXY( const long pos, long *x, long *y ) const
+    if (m_windowStyle & wxTE_MULTILINE)
+        gtk_text_set_editable( GTK_TEXT(m_text), editable );
+    else
+        gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
+}
+
+void wxTextCtrl::DiscardEdits()

 {
 {

-};
+    m_modified = FALSE;
+}

 
 

-long wxTextCtrl::XYToPosition( const long x, const long y )
+void wxTextCtrl::SetSelection( long from, long to )

 {
 {

-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );

 
 

-int wxTextCtrl::GetNumberOfLines(void)
+    gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+}
+
+void wxTextCtrl::ShowPosition( long WXUNUSED(pos) )

 {
 {

-};
+//    SetInsertionPoint( pos );
+}

 
 

-*/
-void wxTextCtrl::SetInsertionPoint( const long pos )
+long wxTextCtrl::GetInsertionPoint() const

 {
 {

-  int tmp = (int) pos;
-  if (m_windowStyle & wxTE_MULTILINE)
-    gtk_text_set_point( GTK_TEXT(m_widget), tmp );
-  else
-    gtk_entry_set_position( GTK_ENTRY(m_widget), tmp );
-};
+    wxCHECK_MSG( m_text != NULL, 0, _T("invalid text ctrl") );
+
+    return (long) GTK_EDITABLE(m_text)->current_pos;
+}

 
 

-void wxTextCtrl::SetInsertionPointEnd(void)
+long wxTextCtrl::GetLastPosition() const

 {
 {

-  int pos = 0;
-  if (m_windowStyle & wxTE_MULTILINE)
-    pos = gtk_text_get_length( GTK_TEXT(m_widget) );
-  else
-    pos = GTK_ENTRY(m_widget)->text_length;
-  SetInsertionPoint( pos-1 );
-};
+    wxCHECK_MSG( m_text != NULL, 0, _T("invalid text ctrl") );
+
+    int pos = 0;
+    if (m_windowStyle & wxTE_MULTILINE)
+        pos = gtk_text_get_length( GTK_TEXT(m_text) );
+    else
+        pos = GTK_ENTRY(m_text)->text_length;

 
 

-void wxTextCtrl::SetEditable( const bool editable )
+    return (long)pos;
+}
+
+void wxTextCtrl::Remove( long from, long to )

 {
 {

-  if (m_windowStyle & wxTE_MULTILINE)
-    gtk_text_set_editable( GTK_TEXT(m_widget), editable );
-  else
-    gtk_entry_set_editable( GTK_ENTRY(m_widget), editable );
-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );

 
 

-void wxTextCtrl::SetSelection( const long from, const long to )
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+}
+
+void wxTextCtrl::Replace( long from, long to, const wxString &value )

 {
 {

-  gtk_editable_select_region( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );

 
 

-void wxTextCtrl::ShowPosition( const long WXUNUSED(pos) )
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+
+    if (!value.IsEmpty())
+    {
+        gint pos = (gint)from;
+#if wxUSE_UNICODE
+        wxWX2MBbuf buf = value.mbc_str();
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
+#else
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
+#endif
+    }
+
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+}
+
+void wxTextCtrl::Cut()

 {
 {

-  wxFAIL_MSG("wxTextCtrl::ShowPosition not implemented");
-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
+
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+#if (GTK_MINOR_VERSION > 0)
+    gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );
+#else
+    gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
+#endif

 
 

-long wxTextCtrl::GetInsertionPoint(void) const
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+}
+
+void wxTextCtrl::Copy()

 {
 {

-  return (long) GTK_EDITABLE(m_widget)->current_pos;
-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );

 
 

-long wxTextCtrl::GetLastPosition(void) const
+#if (GTK_MINOR_VERSION > 0)
+    gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );
+#else
+    gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
+#endif
+}
+
+void wxTextCtrl::Paste()

 {
 {

-  int pos = 0;
-  if (m_windowStyle & wxTE_MULTILINE)
-    pos = gtk_text_get_length( GTK_TEXT(m_widget) );
-  else
-    pos = GTK_ENTRY(m_widget)->text_length;
-  return (long)pos-1;
-};
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );
+
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+#if (GTK_MINOR_VERSION > 0)
+    gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) );
+#else
+    gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
+#endif
+
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+}

 
 

-void wxTextCtrl::Remove( const long from, const long to )
+bool wxTextCtrl::CanCopy() const

 {
 {

-  gtk_editable_delete_text( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
-};
+    // Can copy if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}

 
 

-void wxTextCtrl::Replace( const long from, const long to, const wxString &value )
+bool wxTextCtrl::CanCut() const

 {
 {

-  gtk_editable_delete_text( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
-  if (value.IsNull()) return;
-  gint pos = (gint)to;
-  gtk_editable_insert_text( GTK_EDITABLE(m_widget), value, value.Length(), &pos );
-};
+    // Can cut if there's a selection
+    long from, to;
+    GetSelection(& from, & to);
+    return (from != to) ;
+}

 
 

-void wxTextCtrl::Cut(void)
+bool wxTextCtrl::CanPaste() const

 {
 {

-  gtk_editable_cut_clipboard( GTK_EDITABLE(m_widget), 0 );
-};
+    return IsEditable() ;
+}

 
 

-void wxTextCtrl::Copy(void)
+// Undo/redo
+void wxTextCtrl::Undo()

 {
 {

-  gtk_editable_copy_clipboard( GTK_EDITABLE(m_widget), 0 );
-};
+    // TODO
+    wxFAIL_MSG( _T("wxTextCtrl::Undo not implemented") );
+}

 
 

-void wxTextCtrl::Paste(void)
+void wxTextCtrl::Redo()

 {
 {

-  gtk_editable_paste_clipboard( GTK_EDITABLE(m_widget), 0 );
-};
+    // TODO
+    wxFAIL_MSG( _T("wxTextCtrl::Redo not implemented") );
+}

 
 

-void wxTextCtrl::Delete(void)
+bool wxTextCtrl::CanUndo() const

 {
 {

-  SetValue( "" );
-};
+    // TODO
+    wxFAIL_MSG( _T("wxTextCtrl::CanUndo not implemented") );
+    return FALSE;
+}

 
 

-void wxTextCtrl::OnChar( wxKeyEvent &WXUNUSED(event) )
+bool wxTextCtrl::CanRedo() const

 {
 {

-};
+    // TODO
+    wxFAIL_MSG( _T("wxTextCtrl::CanRedo not implemented") );
+    return FALSE;
+}

 
 

-int wxTextCtrl::overflow(int c)
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const

 {
 {

-  // 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;
-  }
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );

 
 

-  // Reset get area
-  setg(0,0,0);
+    if (!(GTK_EDITABLE(m_text)->has_selection))
+    {
+        if (from) *from = 0;
+        if (to)   *to = 0;
+        return;
+    }

 
 

-  // 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() );
-  }
+    if (from) *from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
+    if (to)   *to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
+}

 
 

-  // Determine how many characters have been inserted but no consumed
-  int plen = pptr() - pbase();
+bool wxTextCtrl::IsEditable() const
+{
+    wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") );

 
 

-  // 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.
+    return GTK_EDITABLE(m_text)->editable;
+}

 
 

-  // If c!=EOF, it is a character that must also be comsumed
-  int xtra = c==EOF? 0 : 1;
+bool wxTextCtrl::IsModified() const
+{
+    return m_modified;
+}

 
 

-  // 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
-  WriteText(txt);
-    delete[] txt;
-  }
+void wxTextCtrl::Clear()
+{
+    SetValue( _T("") );
+}

 
 

-  // Reset put area
-  setp(pbase(), epptr());
+void wxTextCtrl::OnChar( wxKeyEvent &key_event )
+{
+    wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") );

 
 

-#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
+    if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
+    {
+        wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+        event.SetEventObject(this);
+        if (GetEventHandler()->ProcessEvent(event)) return;
+    }

 
 

-/* 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 EOF;
-*/
-};
-
-int wxTextCtrl::sync(void)
-{
-  // Verify that there are no characters in get area
-  if ( gptr() && gptr() < egptr() )
-  {
-     wxError("Who's trespassing my get area?","Internal error");
-     return EOF;
-  }
+    key_event.Skip();
+}
+
+GtkWidget* wxTextCtrl::GetConnectWidget()
+{
+    return GTK_WIDGET(m_text);
+}
+
+bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
+{
+    if (m_windowStyle & wxTE_MULTILINE)
+        return (window == GTK_TEXT(m_text)->text_area);
+    else
+        return (window == GTK_ENTRY(m_text)->text_area);
+}
+
+// the font will change for subsequent text insertiongs
+bool wxTextCtrl::SetFont( const wxFont &font )
+{
+    wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") );
+
+    if ( !wxWindowBase::SetFont(font) )
+    {
+        // font didn't change, nothing to do
+        return FALSE;
+    }

 
 

-  if ( pptr() && pptr() > pbase() ) return overflow(EOF);
+    if ( m_windowStyle & wxTE_MULTILINE )
+    {
+        // for compatibility with other ports: the font is a global controls
+        // characteristic, so change the font globally
+        wxString value = GetValue();
+        if ( !value.IsEmpty() )
+        {
+            Clear();

 
 

-  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;
-*/
-};
+            AppendText(value);
+        }
+    }
+
+    return TRUE;
+}

 
 

-int wxTextCtrl::underflow(void)
+bool wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) )

 {
 {

-  return EOF;
-};
+    wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") );

 
 

-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
+    // doesn't work
+    return FALSE;
+}
+
+bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )

 {
 {

-  WriteText(s);
-  return *this;
+    wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") );
+
+    wxControl::SetBackgroundColour( colour );
+
+    if (!m_widget->window)
+        return FALSE;
+
+    wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );
+    if (sysbg.Red() == colour.Red() &&
+        sysbg.Green() == colour.Green() &&
+        sysbg.Blue() == colour.Blue())
+    {
+        return FALSE; // FIXME or TRUE?
+    }
+
+    if (!m_backgroundColour.Ok())
+        return FALSE;
+
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        GdkWindow *window = GTK_TEXT(m_text)->text_area;
+        if (!window)
+            return FALSE;
+        m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
+        gdk_window_set_background( window, m_backgroundColour.GetColor() );
+        gdk_window_clear( window );
+    }
+
+    return TRUE;

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(const float f)
+void wxTextCtrl::ApplyWidgetStyle()

 {
 {

-  static char buf[100];
-  sprintf(buf, "%.2f", f);
-  WriteText(buf);
-  return *this;
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        // how ?
+    }
+    else
+    {
+        SetWidgetStyle();
+        gtk_widget_set_style( m_text, m_widgetStyle );
+    }

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(const double d)
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))

 {
 {

-  static char buf[100];
-  sprintf(buf, "%.2f", d);
-  WriteText(buf);
-  return *this;
+    Cut();

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(const int i)
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))

 {
 {

-  static char buf[100];
-  sprintf(buf, "%i", i);
-  WriteText(buf);
-  return *this;
+    Copy();

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(const long i)
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))

 {
 {

-  static char buf[100];
-  sprintf(buf, "%ld", i);
-  WriteText(buf);
-  return *this;
+    Paste();

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(const char c)
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))

 {
 {

-  char buf[2];
+    Undo();
+}

 
 

-  buf[0] = c;
-  buf[1] = 0;
-  WriteText(buf);
-  return *this;
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
+{
+    Redo();

 }
 
 }
 

+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+    event.Enable( CanCut() );
+}
+
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+    event.Enable( CanCopy() );
+}
+
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+    event.Enable( CanPaste() );
+}
+
+void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+    event.Enable( CanUndo() );
+}
+
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+    event.Enable( CanRedo() );
+}