added missing return on error

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

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index 8891fd63fb43623b37de9af723890b823815e90a..1d41116d870779623c23d25612d27b2c7110a8c5 100644 (file)
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -14,25 +14,176 @@
 #include "wx/textctrl.h"
 #include "wx/utils.h"
 #include "wx/intl.h"
 #include "wx/textctrl.h"
 #include "wx/utils.h"
 #include "wx/intl.h"

+#include "wx/log.h"

 #include "wx/settings.h"
 #include "wx/settings.h"

+#include "wx/panel.h"

 
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>
 
 
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>
 

+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+#include "gdk/gdkkeysyms.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern bool       g_blockEventsOnDrag;
+extern wxCursor   g_globalCursor;
+

 //-----------------------------------------------------------------------------
 //  "changed"
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 //  "changed"
 //-----------------------------------------------------------------------------
 

-static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+static void
+gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )

 {
 {

-  win->SetModified();
+    if (!win->m_hasVMT) return;
+
+    if (g_isIdle)
+        wxapp_install_idle_handler();

 
 

-  wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->m_windowId );
-  wxString val( win->GetValue() );
-  if (!val.IsNull()) event.m_commandString = WXSTRINGCAST val;
-  event.SetEventObject( win );
-  win->GetEventHandler()->ProcessEvent( event );
+    win->SetModified();
+    win->UpdateFontIfNeeded();
+
+    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();
+}
+
+//-----------------------------------------------------------------------------
+// "focus_in_event"
+//-----------------------------------------------------------------------------
+
+wxWindow *FindFocusedChild(wxWindow *win);
+extern wxWindow  *g_focusWindow;
+extern bool       g_blockEventsOnDrag;
+// extern bool g_isIdle;
+
+static gint gtk_text_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
+{
+    // Necessary?
+#if 0
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+#endif
+    if (!win->m_hasVMT) return FALSE;
+    if (g_blockEventsOnDrag) return FALSE;
+
+    g_focusWindow = win;
+
+    wxPanel *panel = wxDynamicCast(win->GetParent(), wxPanel);
+    if (panel)
+    {
+        panel->SetLastFocus(win);
+    }
+
+#ifdef HAVE_XIM
+    if (win->m_ic)
+        gdk_im_begin(win->m_ic, win->m_wxwindow->window);
+#endif
+
+#if 0
+#ifdef wxUSE_CARET
+    // caret needs to be informed about focus change
+    wxCaret *caret = win->GetCaret();
+    if ( caret )
+    {
+        caret->OnSetFocus();
+    }
+#endif // wxUSE_CARET
+#endif
+
+    wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
+    event.SetEventObject( win );
+
+    if (win->GetEventHandler()->ProcessEvent( event ))
+    {
+        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_in_event" );
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// "focus_out_event"
+//-----------------------------------------------------------------------------
+
+static gint gtk_text_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
+{
+#if 0
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+#endif
+
+    if (!win->m_hasVMT) return FALSE;
+    if (g_blockEventsOnDrag) return FALSE;
+
+#if 0
+    // if the focus goes out of our app alltogether, OnIdle() will send
+    // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
+    // g_sendActivateEvent to -1
+    g_sendActivateEvent = 0;
+#endif
+
+    wxWindow *winFocus = FindFocusedChild(win);
+    if ( winFocus )
+        win = winFocus;
+
+    g_focusWindow = (wxWindow *)NULL;
+
+#ifdef HAVE_XIM
+    if (win->m_ic)
+        gdk_im_end();
+#endif
+
+#if 0
+#ifdef wxUSE_CARET
+    // caret needs to be informed about focus change
+    wxCaret *caret = win->GetCaret();
+    if ( caret )
+    {
+        caret->OnKillFocus();
+    }
+#endif // wxUSE_CARET
+#endif
+
+    wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
+    event.SetEventObject( win );
+
+    if (win->GetEventHandler()->ProcessEvent( event ))
+    {
+        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_out_event" );
+        return TRUE;
+    }
+
+    return FALSE;

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


@@ -42,281 +193,406 @@ static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *
 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(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() : streambuf()
+void wxTextCtrl::Init()

 {
 {

-  if (allocate()) setp(base(),ebuf());
-
-  m_modified = FALSE;
+    m_modified = FALSE;
+    m_updateFont = FALSE;
+    m_text =
+    m_vScrollbar = (GtkWidget *)NULL;

 }
 
 }
 

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

 {
 {

-  if (allocate()) setp(base(),ebuf());
+    Init();

 
 

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

 {
 {

-  m_needParent = TRUE;
+    m_needParent = TRUE;
+    m_acceptsFocus = TRUE;

 
 

-  PreCreation( parent, id, pos, size, style, name );
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
+        return FALSE;
+    }

 
 

-  SetValidator( validator );

 
 

-  bool multi_line = (style & wxTE_MULTILINE) != 0;
-  if ( multi_line )
-  {
-    // a multi-line edit control: create a vertical scrollbar by default and
-    // horizontal if requested
-    bool bHasHScrollbar = (style & wxHSCROLL) != 0;
+    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 );
+        /* 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_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
+        /* ... 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);
 
                       (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
                       (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
                        0, 0);
 

-    // put the horizontal scrollbar in the lower left hand corner
-    if (bHasHScrollbar)
-    {
-      GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
-      gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2,
-                       (GtkAttachOptions)(GTK_EXPAND | GTK_FILL),
+        /* 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_FILL,
                        0, 0);

-      gtk_widget_show(hscrollbar);
-    }
+            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
-    GtkWidget *vscrollbar = gtk_vscrollbar_new(GTK_TEXT(m_text)->vadj);
-    gtk_table_attach(GTK_TABLE(m_widget), vscrollbar, 1, 2, 0, 1,
+        /* 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);
                      GTK_FILL,
                      (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
                      0, 0);

-    gtk_widget_show( vscrollbar );
-  }
-  else
-  {
-    // a single-line text control: no need for scrollbars
-    m_widget =
-    m_text = gtk_entry_new();
-  }
+    }
+    else
+    {
+        /* 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 );

 
 

-  m_parent->AddChild( this );
+    PostCreation();

 
 

-  (m_parent->m_insertCallback)( m_parent, this );
+    SetFont( parent->GetFont() );

 
 

-  PostCreation();
+    wxSize size_best( DoGetBestSize() );
+    wxSize new_size( size );
+    if (new_size.x == -1)
+        new_size.x = size_best.x;
+    if (new_size.y == -1)
+        new_size.y = size_best.y;
+    if ((new_size.x != size.x) || (new_size.y != size.y))
+        SetSize( new_size.x, new_size.y );

 
 

-  if (multi_line)
-  {
-    gtk_widget_realize(m_text);
-    gtk_widget_show(m_text);
-  }
+    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.IsNull())
-  {
-    gint tmp = 0;
-    gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
-    SetInsertionPointEnd();
-  }
+        gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_in_event",
+              GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this );

 
 

-  if (style & wxTE_PASSWORD)
-  {
-    if (!multi_line)
-      gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
-  }
+        gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_out_event",
+                           GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this );
+    }
+    else
+    {
+        gtk_signal_connect( GTK_OBJECT(m_text), "focus_in_event",
+              GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this );

 
 

-  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 );
-  }
+        gtk_signal_connect( GTK_OBJECT(m_text), "focus_out_event",
+                           GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this );
+    }

 
 

-  Show( TRUE );
+    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) );
+        }
+    }

 
 

-  SetBackgroundColour( parent->GetBackgroundColour() );
-  SetForegroundColour( parent->GetForegroundColour() );
+    if (style & wxTE_PASSWORD)
+    {
+        if (!multi_line)
+            gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
+    }

 
 

-  return TRUE;
-}
+    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 );
+    }

 
 

-wxString wxTextCtrl::GetValue() const
-{
-  wxCHECK_MSG( m_text != NULL, "", "invalid text ctrl" );
+    /* 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);

 
 

-  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 = text;
-    g_free( text );
-  }
-  else
-  {
-    tmp = gtk_entry_get_text( GTK_ENTRY(m_text) );
-  }
-  return tmp;
-}
+    /* we don't set a valid background colour, because the window
+       manager should use a default one */
+    m_backgroundColour = wxColour();

 
 

-void wxTextCtrl::SetValue( const wxString &value )
-{
-  wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+    wxColour colFg = parent->GetForegroundColour();
+    SetForegroundColour( colFg );

 
 

-  wxString tmp = "";
-  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;
-    gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp, tmp.Length(), &len );
-  }
-  else
-  {
-    gtk_entry_set_text( GTK_ENTRY(m_text), tmp );
-  }
-}
+    m_cursor = wxCursor( wxCURSOR_IBEAM );

 
 

-void wxTextCtrl::WriteText( const wxString &text )
-{
-  wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+    // FIXME: is the bg colour correct here?
+    wxTextAttr attrDef( colFg,
+                        wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW),
+                        parent->GetFont() );
+    SetDefaultStyle( attrDef );

 
 

-  if (text.IsNull()) return;
+    Show( TRUE );

 
 

-  if (m_windowStyle & wxTE_MULTILINE)
-  {
-    gint len = gtk_text_get_length( GTK_TEXT(m_text) );
-    gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
-  }
-  else
-  {
-    gtk_entry_append_text( GTK_ENTRY(m_text), text );
-  }
+    return TRUE;

 }
 
 }
 

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

 {
 {

-  wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" );
+    if ((m_windowStyle & wxTE_MULTILINE) == 0) return;

 
 

-  if (!wxFileExists(file)) return FALSE;
+    GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;

 
 

-  Clear();
+    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;
+        }
+    }
+}

 
 

-  FILE *fp = NULL;
-  struct stat statb;
+wxString wxTextCtrl::GetValue() const
+{
+    wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") );

 
 

-  if ((stat ((char*) (const char*) file, &statb) == -1) || (statb.st_mode & S_IFMT) != S_IFREG ||
-      !(fp = fopen ((char*) (const char*) file, "r")))
-  {
-      return FALSE;
-  }
-  else
-  {
-    gint len = statb.st_size;
-    char *text;
-    if (!(text = (char*)malloc ((unsigned) (len + 1))))
+    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

     {
     {

-      fclose (fp);
-      return FALSE;
+        tmp = wxString(gtk_entry_get_text( GTK_ENTRY(m_text) ),*wxConvCurrent);

     }
     }

-    if (fread (text, sizeof (char), len, fp) != (size_t) len)
-       {
-       }
-    fclose (fp);
+    return tmp;
+}

 
 

-    text[len] = 0;
+void wxTextCtrl::SetValue( const wxString &value )
+{
+    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );

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

-      gtk_editable_insert_text( GTK_EDITABLE(m_text), text, 0, &len );
+        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 = value.mbc_str();
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), tmpbuf, strlen(tmpbuf), &len );
+#else
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
+#endif

     }
     else
     {
     }
     else
     {

-      gtk_entry_set_text( GTK_ENTRY(m_text), text );
+        gtk_entry_set_text( GTK_ENTRY(m_text), value.mbc_str() );

     }
 
     }
 

-    free (text);
+    // GRG, Jun/2000: Changed this after a lot of discussion in
+    //   the lists. wxWindows 2.2 will have a set of flags to
+    //   customize this behaviour.
+    SetInsertionPoint(0);
+

     m_modified = FALSE;
     m_modified = FALSE;

-    return TRUE;
-  }
-  return FALSE;

 }
 
 }
 

-bool wxTextCtrl::SaveFile( const wxString &file )
+void wxTextCtrl::WriteText( const wxString &text )

 {
 {

-  wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" );
+    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );

 
 

-  if (file == "") return FALSE;
+    if ( text.empty() )
+        return;

 
 

-  FILE *fp;
+#if wxUSE_UNICODE
+    wxWX2MBbuf buf = text.mbc_str();
+    const char *txt = buf;
+    size_t txtlen = strlen(buf);
+#else
+    const char *txt = text;
+    size_t txtlen = text.length();
+#endif

 
 

-  if (!(fp = fopen ((char*) (const char*) file, "w")))
+    if ( m_windowStyle & wxTE_MULTILINE )

     {
     {

-      return FALSE;
+        /* this moves the cursor pos to behind the inserted text */
+        gint len = GTK_EDITABLE(m_text)->current_pos;
+
+        // if we have any special style, use it
+        if ( !m_defaultStyle.IsDefault() )
+        {
+            GdkFont *font = m_defaultStyle.HasFont()
+                                ? m_defaultStyle.GetFont().GetInternalFont()
+                                : NULL;
+
+            GdkColor *colFg = m_defaultStyle.HasTextColour()
+                                ? m_defaultStyle.GetTextColour().GetColor()
+                                : NULL;
+
+            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
+                                ? m_defaultStyle.GetBackgroundColour().GetColor()
+                                : NULL;
+
+            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+        }
+        else // no style
+        {
+            gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
+        }
+
+        /* bring editable's cursor uptodate. bug in GTK. */
+        GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );

     }
     }

-  else
+    else // single line

     {
     {

-      char *text = NULL;
-      gint len = 0;
+        /* this moves the cursor pos to behind the inserted text */
+        gint len = GTK_EDITABLE(m_text)->current_pos;
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );

 
 

-      if (m_windowStyle & wxTE_MULTILINE)
-      {
-        len = gtk_text_get_length( GTK_TEXT(m_text) );
-        text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
-      }
-      else
-      {
-        text = gtk_entry_get_text( GTK_ENTRY(m_text) );
-      }
+        /* bring editable's cursor uptodate. bug in GTK. */
+        GTK_EDITABLE(m_text)->current_pos += text.Len();

 
 

-      if (fwrite (text, sizeof (char), len, fp) != (size_t) len)
-       {
-         // Did not write whole file
-       }
+        /* bring entry's cursor uptodate. bug in GTK. */
+        gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
+    }
+}

 
 

-      // Make sure newline terminates the file
-      if (text[len - 1] != '\n')
-       fputc ('\n', fp);
+void wxTextCtrl::AppendText( const wxString &text )
+{
+    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );

 
 

-      fclose (fp);
+    if ( text.empty() )
+        return;

 
 

-      if (m_windowStyle & wxTE_MULTILINE) g_free( text );
+#if wxUSE_UNICODE
+    wxWX2MBbuf buf = text.mbc_str();
+    const char *txt = buf;
+    size_t txtlen = strlen(buf);
+#else
+    const char *txt = text;
+    size_t txtlen = text.length();
+#endif

 
 

-      m_modified = FALSE;
-      return TRUE;
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        if ( !m_defaultStyle.IsDefault() )
+        {
+            GdkFont *font = m_defaultStyle.HasFont()
+                                ? m_defaultStyle.GetFont().GetInternalFont()
+                                : NULL;
+
+            GdkColor *colFg = m_defaultStyle.HasTextColour()
+                                ? m_defaultStyle.GetTextColour().GetColor()
+                                : NULL;
+
+            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
+                                ? m_defaultStyle.GetBackgroundColour().GetColor()
+                                : NULL;
+
+            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+        }
+        else // no style
+        {
+            /* we'll insert at the last position */
+            gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+            gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
+        }
+
+        /* bring editable's cursor uptodate. bug in GTK. */
+        GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
+    }
+    else // single line
+    {
+        gtk_entry_append_text( GTK_ENTRY(m_text), txt );

     }
     }

-
-  return TRUE;

 }
 
 wxString wxTextCtrl::GetLineText( long lineNo ) const
 }
 
 wxString wxTextCtrl::GetLineText( long lineNo ) const


@@ -328,7 +604,7 @@ wxString wxTextCtrl::GetLineText( long lineNo ) const
 
     if (text)
     {
 
     if (text)
     {

-        wxString buf("");
+        wxString buf(wxT(""));

         long i;
         int currentLine = 0;
         for (i = 0; currentLine != lineNo && text[i]; i++ )
         long i;
         int currentLine = 0;
         for (i = 0; currentLine != lineNo && text[i]; i++ )


@@ -354,46 +630,62 @@ wxString wxTextCtrl::GetLineText( long lineNo ) const
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
 {
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
 {

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

 }
 
 }
 

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

 {
 {

-  if (!(m_windowStyle & wxTE_MULTILINE))
-    return 0;
-  gint len = gtk_text_get_length( GTK_TEXT(m_text) );
-  char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
-  if(!text)
-    return 0;
-  if( pos >= len)
-    return pos=len-1;
-
-  *x=1;   // Col 1
-  *y=1;   // Line 1
-  for (int i = 0; i < pos; i++ )
+    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 == wxT('\n'))
+            {
+                (*y)++;
+                *x=0;
+            }
+            else
+                (*x)++;
+        }
+    }
+    else // single line control

     {
     {

-      if (text[i] == '\n')
-       {
-         (*y)++;
-         *x=1;
-       }
-      else
-       (*x)++;
+        if ( pos <= GTK_ENTRY(m_text)->text_length )
+        {
+            *y = 0;
+            *x = pos;
+        }
+        else
+        {
+            // index out of bounds
+            return FALSE;
+        }

     }
     }

-  g_free( text );
-  return 1;
+
+    return TRUE;

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

-  if (!(m_windowStyle & wxTE_MULTILINE))
-    return 0;
-  long pos=0;
+    if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
+
+    long pos=0;
+    for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'

 
 

-  for(int i=1;i<y;i++)
-      pos +=GetLineLength(i);
-  pos +=x-1; // Pos start with 0
-  return pos;
+    pos += x;
+    return pos;

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


@@ -404,244 +696,339 @@ int wxTextCtrl::GetLineLength(long lineNo) const
 
 int wxTextCtrl::GetNumberOfLines() const
 {
 
 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)
+    if (m_windowStyle & wxTE_MULTILINE)

     {
     {

-        int currentLine = 0;
-        for (int i = 0; i < len; i++ )
-          if (text[i] == '\n')
-            currentLine++;
-
-        g_free( text );
-        return currentLine;
+        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
     }
     else

-      return 0;
-  }
-  else
-  {
-    return 1;
-  }
+    {
+        return 1;
+    }

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

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

 
 

-  int tmp = (int) pos;
-  if (m_windowStyle & wxTE_MULTILINE)
-    gtk_text_set_point( GTK_TEXT(m_text), tmp );
-  else
-    gtk_entry_set_position( GTK_ENTRY(m_text), tmp );
+    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. */
+
+        GTK_EDITABLE(m_text)->current_pos = (guint32)pos;
+    }

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

-  wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+    wxCHECK_RET( m_text != NULL, wxT("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;
-  SetInsertionPoint((pos-1)>0 ? (pos-1):0);
+    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::SetEditable( bool editable )
 {
 }
 
 void wxTextCtrl::SetEditable( bool editable )
 {

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

 
 

-  if (m_windowStyle & wxTE_MULTILINE)
-    gtk_text_set_editable( GTK_TEXT(m_text), editable );
-  else
-    gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
+    if (m_windowStyle & wxTE_MULTILINE)
+        gtk_text_set_editable( GTK_TEXT(m_text), editable );
+    else
+        gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
+}
+
+bool wxTextCtrl::Enable( bool enable )
+{
+    if (!wxWindowBase::Enable(enable))
+    {
+        // nothing to do
+        return FALSE;
+    }
+
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        gtk_text_set_editable( GTK_TEXT(m_text), enable );
+        OnParentEnable(enable);
+    }
+    else
+    {
+        gtk_widget_set_sensitive( m_text, enable );
+    }
+
+    return TRUE;
+}
+
+// wxGTK-specific: called recursively by Enable,
+// to give widgets an oppprtunity to correct their colours after they
+// have been changed by Enable
+void wxTextCtrl::OnParentEnable( bool enable )
+{
+    // If we have a custom background colour, we use this colour in both
+    // disabled and enabled mode, or we end up with a different colour under the
+    // text.
+    wxColour oldColour = GetBackgroundColour();
+    if (oldColour.Ok())
+    {
+        // Need to set twice or it'll optimize the useful stuff out
+        if (oldColour == * wxWHITE)
+            SetBackgroundColour(*wxBLACK);
+        else
+            SetBackgroundColour(*wxWHITE);
+        SetBackgroundColour(oldColour);
+    }
+}
+
+void wxTextCtrl::DiscardEdits()
+{
+    m_modified = FALSE;

 }
 
 void wxTextCtrl::SetSelection( long from, long to )
 {
 }
 
 void wxTextCtrl::SetSelection( long from, long to )
 {

-  wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+    if ( (m_windowStyle & wxTE_MULTILINE) &&
+         !GTK_TEXT(m_text)->line_start_cache )
+    {
+        // tell the programmer that it didn't work
+        wxLogDebug(_T("Can't call SetSelection() before realizing the control"));
+        return;
+    }

 
 

-  gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+    gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );

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

-  wxFAIL_MSG( "wxTextCtrl::ShowPosition not implemented" );
+//    SetInsertionPoint( pos );

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

-  wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" );
+    wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );

 
 

-  return (long) GTK_EDITABLE(m_text)->current_pos;
+    return (long) GTK_EDITABLE(m_text)->current_pos;

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

-  wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" );
+    wxCHECK_MSG( m_text != NULL, 0, wxT("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;
-  return (long)pos-1;
+    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;
+
+    return (long)pos;

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

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

 
 

-  gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );

 }
 
 void wxTextCtrl::Replace( long from, long to, const wxString &value )
 {
 }
 
 void wxTextCtrl::Replace( long from, long to, const wxString &value )
 {

-  wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );

 
 

-  gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
-  if (value.IsNull()) return;
-  gint pos = (gint)to;
-  gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
+    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
+    }

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

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

 
 

-#if (GTK_MINOR_VERSION == 1)
-  gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );
+#if (GTK_MINOR_VERSION > 0)
+    gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );

 #else
 #else

-  gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
+    gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );

 #endif
 }
 
 void wxTextCtrl::Copy()
 {
 #endif
 }
 
 void wxTextCtrl::Copy()
 {

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

 
 

-#if (GTK_MINOR_VERSION == 1)
-  gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );
+#if (GTK_MINOR_VERSION > 0)
+    gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );

 #else
 #else

-  gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
+    gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );

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

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

 
 

-#if (GTK_MINOR_VERSION == 1)
-  gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) );
+#if (GTK_MINOR_VERSION > 0)
+    gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) );

 #else
 #else

-  gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
+    gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );

 #endif
 }
 
 #endif
 }
 

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

 {
 {

-  SetValue( "" );
+    // TODO
+    wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );

 }
 
 }
 

-void wxTextCtrl::OnChar( wxKeyEvent &key_event )
+void wxTextCtrl::Redo()

 {
 {

-  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;
-  }
-  else if (key_event.KeyCode() == WXK_TAB)
-  {
-    wxNavigationKeyEvent event;
-    event.SetDirection( key_event.m_shiftDown );
-    event.SetWindowChange(FALSE);
-    event.SetEventObject(this);
-
-    if (GetEventHandler()->ProcessEvent(event)) return;
-  }
-  key_event.Skip();
+    // TODO
+    wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );

 }
 
 }
 

-int wxTextCtrl::overflow( int WXUNUSED(c) )
+bool wxTextCtrl::CanUndo() const

 {
 {

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

 }
 
 }
 

-int wxTextCtrl::sync()
+bool wxTextCtrl::CanRedo() const

 {
 {

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

 }
 
 }
 

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

 {
 {

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

 
 

-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
-{
-  WriteText(s);
-  return *this;
-}
+    long from, to;
+    if ( !(GTK_EDITABLE(m_text)->has_selection) )
+    {
+        from =
+        to = GetInsertionPoint();
+    }
+    else // got selection
+    {
+        from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
+        to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
+
+        if ( from > to )
+        {
+            // exchange them to be compatible with wxMSW
+            long tmp = from;
+            from = to;
+            to = tmp;
+        }
+    }

 
 

-wxTextCtrl& wxTextCtrl::operator<<(float f)
-{
-  static char buf[100];
-  sprintf(buf, "%.2f", f);
-  WriteText(buf);
-  return *this;
+    if ( fromOut )
+        *fromOut = from;
+    if ( toOut )
+        *toOut = to;

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(double d)
+bool wxTextCtrl::IsEditable() const

 {
 {

-  static char buf[100];
-  sprintf(buf, "%.2f", d);
-  WriteText(buf);
-  return *this;
+    wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
+
+    return GTK_EDITABLE(m_text)->editable;

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(int i)
+bool wxTextCtrl::IsModified() const

 {
 {

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

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(long i)
+void wxTextCtrl::Clear()

 {
 {

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

 }
 
 }
 

-wxTextCtrl& wxTextCtrl::operator<<(const char c)
+void wxTextCtrl::OnChar( wxKeyEvent &key_event )

 {
 {

-  char buf[2];
+    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );

 
 

-  buf[0] = c;
-  buf[1] = 0;
-  WriteText(buf);
-  return *this;
+    if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
+    {
+        wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+        event.SetEventObject(this);
+        event.SetString(GetValue());
+        if (GetEventHandler()->ProcessEvent(event)) return;
+    }
+
+    if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
+    {
+        wxWindow *top_frame = m_parent;
+        while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
+            top_frame = top_frame->GetParent();
+        GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
+
+        if (window->default_widget)
+        {
+            gtk_widget_activate (window->default_widget);
+            return;
+        }
+    }
+
+    key_event.Skip();

 }
 
 GtkWidget* wxTextCtrl::GetConnectWidget()
 }
 
 GtkWidget* wxTextCtrl::GetConnectWidget()


@@ -657,50 +1044,163 @@ bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
         return (window == GTK_ENTRY(m_text)->text_area);
 }
 
         return (window == GTK_ENTRY(m_text)->text_area);
 }
 

-void wxTextCtrl::SetFont( const wxFont &WXUNUSED(font) )
+// the font will change for subsequent text insertiongs
+bool wxTextCtrl::SetFont( const wxFont &font )
+{
+    wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
+
+    if ( !wxWindowBase::SetFont(font) )
+    {
+        // font didn't change, nothing to do
+        return FALSE;
+    }
+
+    if ( m_windowStyle & wxTE_MULTILINE )
+    {
+        m_updateFont = TRUE;
+
+        ChangeFontGlobally();
+    }
+
+    return TRUE;
+}
+
+void wxTextCtrl::ChangeFontGlobally()

 {
 {

-    wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+    // this method is very inefficient and hence should be called as rarely as
+    // possible!
+    wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
+                  _T("shouldn't be called for single line controls") );

 
 

-    // doesn't work
+    wxString value = GetValue();
+    if ( !value.IsEmpty() )
+    {
+        Clear();
+        AppendText(value);
+
+        m_updateFont = FALSE;
+    }
+}
+
+void wxTextCtrl::UpdateFontIfNeeded()
+{
+    if ( m_updateFont )
+        ChangeFontGlobally();

 }
 
 }
 

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

 {
 {

-    wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+    if ( !wxControl::SetForegroundColour(colour) )
+        return FALSE;

 
 

-    // doesn't work
+    // update default fg colour too
+    m_defaultStyle.SetTextColour(colour);
+
+    return TRUE;

 }
 
 }
 

-void wxTextCtrl::SetBackgroundColour( const wxColour &colour )
+bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )

 {
 {

-    wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+    wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );

 
     wxControl::SetBackgroundColour( colour );
 
 
     wxControl::SetBackgroundColour( colour );
 

+    if (!m_widget->window)
+        return FALSE;
+

     wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );
     wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );

-    if (sysbg.Red() == colour.Red() && 
-        sysbg.Green() == colour.Green() && 
+    if (sysbg.Red() == colour.Red() &&
+        sysbg.Green() == colour.Green() &&

         sysbg.Blue() == colour.Blue())
     {
         sysbg.Blue() == colour.Blue())
     {

-        return;
-    } 
-    
-    if (!m_backgroundColour.Ok()) return;
+        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 (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 );
     }
         m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
         gdk_window_set_background( window, m_backgroundColour.GetColor() );
         gdk_window_clear( window );
     }

+
+    // change active background color too
+    m_defaultStyle.SetBackgroundColour( colour );
+
+    return TRUE;
+}
+
+bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style )
+{
+    /* VERY dirty way to do that - removes the required text and re-adds it
+       with styling (FIXME) */
+    if ( m_windowStyle & wxTE_MULTILINE )
+    {
+        if ( style.IsDefault() )
+        {
+            // nothing to do
+            return TRUE;
+        }
+
+        gint l = gtk_text_get_length( GTK_TEXT(m_text) );
+
+        wxCHECK_MSG( start >= 0 && end <= l, FALSE,
+                     _T("invalid range in wxTextCtrl::SetStyle") );
+
+        gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
+        char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
+        wxString tmp(text,*wxConvCurrent);
+        g_free( text );
+
+        gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
+        gtk_editable_set_position( GTK_EDITABLE(m_text), start );
+
+#if wxUSE_UNICODE
+        wxWX2MBbuf buf = tmp.mbc_str();
+        const char *txt = buf;
+        size_t txtlen = strlen(buf);
+#else
+        const char *txt = tmp;
+        size_t txtlen = tmp.length();
+#endif
+
+        GdkFont *font = style.HasFont()
+                            ? style.GetFont().GetInternalFont()
+                            : NULL;
+
+        GdkColor *colFg = style.HasTextColour()
+                            ? style.GetTextColour().GetColor()
+                            : NULL;
+
+        GdkColor *colBg = style.HasBackgroundColour()
+                            ? style.GetBackgroundColour().GetColor()
+                            : NULL;
+
+        gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+
+        /* does not seem to help under GTK+ 1.2 !!!
+        gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
+        SetInsertionPoint( old_pos );
+        return TRUE;
+    }
+    else // singe line
+    {
+        // cannot do this for GTK+'s Entry widget
+        return FALSE;
+    }

 }
 
 void wxTextCtrl::ApplyWidgetStyle()
 {
     if (m_windowStyle & wxTE_MULTILINE)
     {
 }
 
 void wxTextCtrl::ApplyWidgetStyle()
 {
     if (m_windowStyle & wxTE_MULTILINE)
     {

-    } 
+        // how ?
+    }

     else
     {
         SetWidgetStyle();
     else
     {
         SetWidgetStyle();


@@ -708,3 +1208,86 @@ void wxTextCtrl::ApplyWidgetStyle()
     }
 }
 
     }
 }
 

+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
+{
+    Cut();
+}
+
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+    Copy();
+}
+
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+    Paste();
+}
+
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+    Undo();
+}
+
+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() );
+}
+
+void wxTextCtrl::OnInternalIdle()
+{
+    wxCursor cursor = m_cursor;
+    if (g_globalCursor.Ok()) cursor = g_globalCursor;
+
+    if (cursor.Ok())
+    {
+        GdkWindow *window = (GdkWindow*) NULL;
+        if (HasFlag(wxTE_MULTILINE))
+            window = GTK_TEXT(m_text)->text_area;
+        else
+            window = GTK_ENTRY(m_text)->text_area;
+
+        if (window)
+            gdk_window_set_cursor( window, cursor.GetCursor() );
+
+        if (!g_globalCursor.Ok())
+            cursor = *wxSTANDARD_CURSOR;
+
+        window = m_widget->window;
+        if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
+            gdk_window_set_cursor( window, cursor.GetCursor() );
+    }
+
+    UpdateWindowUI();
+}
+
+wxSize wxTextCtrl::DoGetBestSize() const
+{
+    // FIXME should be different for multi-line controls...
+    wxSize ret( wxControl::DoGetBestSize() );
+    return wxSize(80, ret.y);
+}