Committing in .

[wxWidgets.git] / src / gtk1 / textctrl.cpp

diff --git a/src/gtk1/textctrl.cpp b/src/gtk1/textctrl.cpp
index 65f795181320acfd6733c45b150126fe96a46394..b7dd3a877d92e03375f64e8fef5d02be56a6b914 100644 (file)
--- a/src/gtk1/textctrl.cpp
+++ b/src/gtk1/textctrl.cpp
@@ -21,10 +21,15 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>

+#include <math.h>               // for fabs

 
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
-#include "gdk/gdkkeysyms.h"
+// TODO: reimplement wxTextCtrl using GtkTextView
+#ifdef __WXGTK20__
+    #define GTK_ENABLE_BROKEN       // need this to get GtkText at all
+#endif // __WXGTK20__
+
+#include "wx/gtk/private.h"
+#include <gdk/gdkkeysyms.h>

 
 //-----------------------------------------------------------------------------
 // idle system
 
 //-----------------------------------------------------------------------------
 // idle system


@@ -40,149 +45,105 @@ extern bool g_isIdle;
 extern bool       g_blockEventsOnDrag;
 extern wxCursor   g_globalCursor;
 
 extern bool       g_blockEventsOnDrag;
 extern wxCursor   g_globalCursor;
 

-//-----------------------------------------------------------------------------
-//  "changed"
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// helpers
+// ----------------------------------------------------------------------------

 
 

-static void
-gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+static void wxGtkTextInsert(GtkWidget *text,
+                            const wxTextAttr& attr,
+                            const char *txt,
+                            size_t len)

 {
 {

-    if (!win->m_hasVMT) return;
+    GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont()
+                                   : NULL;

 
 

-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
+                                           : NULL;

 
 

-    win->SetModified();
-    win->UpdateFontIfNeeded();
+    GdkColor *colBg = attr.HasBackgroundColour()
+                        ? attr.GetBackgroundColour().GetColor()
+                        : NULL;

 
 

-    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
-    event.SetString( win->GetValue() );
-    event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len );

 }
 
 }
 

-//-----------------------------------------------------------------------------
-// "changed" from vertical scrollbar
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// "insert_text" for GtkEntry
+// ----------------------------------------------------------------------------

 
 static void
 
 static void

-gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+gtk_insert_text_callback(GtkEditable *editable,
+                         const gchar *new_text,
+                         gint new_text_length,
+                         gint *position,
+                         wxTextCtrl *win)

 {
 {

-    if (!win->m_hasVMT) return;
-

     if (g_isIdle)
         wxapp_install_idle_handler();
 
     if (g_isIdle)
         wxapp_install_idle_handler();
 

-    win->CalculateScrollbar();
+    // we should only be called if we have a max len limit at all
+    GtkEntry *entry = GTK_ENTRY (editable);
+
+    wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
+
+    // check that we don't overflow the max length limit
+    //
+    // FIXME: this doesn't work when we paste a string which is going to be
+    //        truncated
+    if ( entry->text_length == entry->text_max_length )
+    {
+        // we don't need to run the base class version at all
+        gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text");
+
+        // remember that the next changed signal is to be ignored to avoid
+        // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
+        win->IgnoreNextTextUpdate();
+
+        // and generate the correct one ourselves
+        wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
+        event.SetEventObject(win);
+        event.SetString(win->GetValue());
+        win->GetEventHandler()->ProcessEvent( event );
+    }

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

-// "focus_in_event"
+//  "changed"

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

-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 )
+static void
+gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *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;
+    if ( win->IgnoreTextUpdate() )
+        return;

 
 

-    wxPanel *panel = wxDynamicCast(win->GetParent(), wxPanel);
-    if (panel)
-    {
-        panel->SetLastFocus(win);
-    }
+    if (!win->m_hasVMT) return;

 
 

-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_begin(win->m_ic, win->m_wxwindow->window);
-#endif
+    if (g_isIdle)
+        wxapp_install_idle_handler();

 
 

-#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
+    win->SetModified();
+    win->UpdateFontIfNeeded();

 
 

-    wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
+    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );

     event.SetEventObject( win );
     event.SetEventObject( win );

-
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_in_event" );
-        return TRUE;
-    }
-
-    return FALSE;
+    event.SetString( win->GetValue() );
+    win->GetEventHandler()->ProcessEvent( event );

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

-// "focus_out_event"
+// "changed" from vertical scrollbar

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

-static gint gtk_text_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
+static void
+gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )

 {
 {

-#if 0
+    if (!win->m_hasVMT) return;
+

     if (g_isIdle)
         wxapp_install_idle_handler();
     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 = wxFindFocusedChild(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;
+    win->CalculateScrollbar();

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


@@ -209,6 +170,7 @@ END_EVENT_TABLE()
 
 void wxTextCtrl::Init()
 {
 
 void wxTextCtrl::Init()
 {

+    m_ignoreNextUpdate =

     m_modified = FALSE;
     m_updateFont = FALSE;
     m_text =
     m_modified = FALSE;
     m_updateFont = FALSE;
     m_text =


@@ -254,7 +216,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
     bool multi_line = (style & wxTE_MULTILINE) != 0;
     if (multi_line)
     {
     bool multi_line = (style & wxTE_MULTILINE) != 0;
     if (multi_line)
     {

-#if (GTK_MINOR_VERSION > 2)
+#ifdef __WXGTK13__

         /* a multi-line edit control: create a vertical scrollbar by default and
            horizontal if requested */
         bool bHasHScrollbar = (style & wxHSCROLL) != 0;
         /* a multi-line edit control: create a vertical scrollbar by default and
            horizontal if requested */
         bool bHasHScrollbar = (style & wxHSCROLL) != 0;


@@ -276,7 +238,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
         /* always wrap words */
         gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
 
         /* always wrap words */
         gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
 

-#if (GTK_MINOR_VERSION > 2)
+#ifdef __WXGTK13__

         /* put the horizontal scrollbar in the lower left hand corner */
         if (bHasHScrollbar)
         {
         /* put the horizontal scrollbar in the lower left hand corner */
         if (bHasHScrollbar)
         {


@@ -310,6 +272,8 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_parent->DoAddChild( this );
 
 
     m_parent->DoAddChild( this );
 

+    m_focusWidget = m_text;
+

     PostCreation();
 
     SetFont( parent->GetFont() );
     PostCreation();
 
     SetFont( parent->GetFont() );


@@ -330,27 +294,13 @@ bool wxTextCtrl::Create( wxWindow *parent,
     {
         gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
           (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
     {
         gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
           (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );

-
-        gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_in_event",
-              GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this );
-
-        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 );
-
-        gtk_signal_connect( GTK_OBJECT(m_text), "focus_out_event",
-                           GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this );

     }
 
     if (!value.IsEmpty())
     {
         gint tmp = 0;
 
     }
 
     if (!value.IsEmpty())
     {
         gint tmp = 0;
 

-#if GTK_MINOR_VERSION == 0
+#if !GTK_CHECK_VERSION(1, 2, 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);
         // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
         // gtk_editable_insert_text()
         gtk_widget_realize(m_text);


@@ -366,8 +316,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
         if (multi_line)
         {
             /* bring editable's cursor uptodate. bug in GTK. */
         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) );
+            SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));

         }
     }
 
         }
     }
 


@@ -401,10 +350,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 

-    // FIXME: is the bg colour correct here?
-    wxTextAttr attrDef( colFg,
-                        wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW),
-                        parent->GetFont() );
+    wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() );

     SetDefaultStyle( attrDef );
 
     Show( TRUE );
     SetDefaultStyle( attrDef );
 
     Show( TRUE );


@@ -502,129 +448,80 @@ void wxTextCtrl::WriteText( const wxString &text )
 
     if ( m_windowStyle & wxTE_MULTILINE )
     {
 
     if ( m_windowStyle & wxTE_MULTILINE )
     {

-        /* this moves the cursor pos to behind the inserted text */
-        gint len = GTK_EDITABLE(m_text)->current_pos;
+        // After cursor movements, gtk_text_get_point() is wrong by one.
+        gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );

 
         // if we have any special style, use it
         if ( !m_defaultStyle.IsDefault() )
         {
 
         // 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;
+            GetInsertionPoint();

 
 

-            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
-                                ? m_defaultStyle.GetBackgroundColour().GetColor()
-                                : NULL;
-
-            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+            wxGtkTextInsert(m_text, m_defaultStyle, txt, txtlen);

         }
         else // no style
         {
         }
         else // no style
         {

+            gint len = GET_EDITABLE_POS(m_text);

             gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
         }
 
             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) );
+        // Bring editable's cursor back uptodate.
+        SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));

     }
     else // single line
     {
     }
     else // single line
     {

-        /* this moves the cursor pos to behind the inserted text */
-        gint len = GTK_EDITABLE(m_text)->current_pos;
+        // This moves the cursor pos to behind the inserted text.
+        gint len = GET_EDITABLE_POS(m_text);

         gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
 
         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 += text.Len();
+        // Bring editable's cursor uptodate.
+        len += text.Len();

 
 

-        /* bring entry's cursor uptodate. bug in GTK. */
-        gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
+        // Bring entry's cursor uptodate.
+        gtk_entry_set_position( GTK_ENTRY(m_text), len );

     }
     }

+
+    m_modified = TRUE;

 }
 
 void wxTextCtrl::AppendText( const wxString &text )
 {
 }
 
 void wxTextCtrl::AppendText( const wxString &text )
 {

-    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
-
-    if ( text.empty() )
-        return;
-
-#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
+    SetInsertionPointEnd();
+    WriteText( text );
+}

 
 

+wxString wxTextCtrl::GetLineText( long lineNo ) const
+{

     if (m_windowStyle & wxTE_MULTILINE)
     {
     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;
+        gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+        char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );

 
 

-            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
-                                ? m_defaultStyle.GetBackgroundColour().GetColor()
-                                : NULL;
+        if (text)
+        {
+            wxString buf(wxT(""));
+            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];

 
 

-            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+            g_free( text );
+            return buf;

         }
         }

-        else // no style
+        else

         {
         {

-            /* 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 );
+            return wxEmptyString;

         }
         }

-
-        /* 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 );
-    }
-}
-
-wxString wxTextCtrl::GetLineText( long lineNo ) 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)
+    else

     {
     {

-        wxString buf(wxT(""));
-        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;
+        if (lineNo == 0) return GetValue();
+        return wxEmptyString;

     }
     }

-    else
-      return wxEmptyString;
-  }
-  else
-  {
-    if (lineNo == 0) return GetValue();
-    return wxEmptyString;
-  }

 }
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
 }
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )


@@ -749,7 +646,7 @@ void wxTextCtrl::SetInsertionPoint( long pos )
 
         /* bring editable's cursor uptodate. another bug in GTK. */
 
 
         /* bring editable's cursor uptodate. another bug in GTK. */
 

-        GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
+        SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));

     }
     else
     {
     }
     else
     {


@@ -757,7 +654,7 @@ void wxTextCtrl::SetInsertionPoint( long pos )
 
         /* bring editable's cursor uptodate. bug in GTK. */
 
 
         /* bring editable's cursor uptodate. bug in GTK. */
 

-        GTK_EDITABLE(m_text)->current_pos = (guint32)pos;
+        SET_EDITABLE_POS(m_text, (guint32)pos);

     }
 }
 
     }
 }
 


@@ -827,6 +724,61 @@ void wxTextCtrl::DiscardEdits()
     m_modified = FALSE;
 }
 
     m_modified = FALSE;
 }
 

+// ----------------------------------------------------------------------------
+// max text length support
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::IgnoreNextTextUpdate()
+{
+    m_ignoreNextUpdate = TRUE;
+}
+
+bool wxTextCtrl::IgnoreTextUpdate()
+{
+    if ( m_ignoreNextUpdate )
+    {
+        m_ignoreNextUpdate = FALSE;
+
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+void wxTextCtrl::SetMaxLength(unsigned long len)
+{
+    if ( !HasFlag(wxTE_MULTILINE) )
+    {
+        gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
+
+        // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
+        // we had tried to enter more text than allowed by max text length and
+        // the text wasn't really changed
+        //
+        // to detect this and generate TEXT_MAXLEN event instead of
+        // TEXT_CHANGED one in this case we also catch "insert_text" signal
+        //
+        // when max len is set to 0 we disconnect our handler as it means that
+        // we shouldn't check anything any more
+        if ( len )
+        {
+            gtk_signal_connect( GTK_OBJECT(m_text),
+                                "insert_text",
+                                GTK_SIGNAL_FUNC(gtk_insert_text_callback),
+                                (gpointer)this);
+        }
+        else // no checking
+        {
+            gtk_signal_disconnect_by_func
+            (
+                GTK_OBJECT(m_text),
+                GTK_SIGNAL_FUNC(gtk_insert_text_callback),
+                (gpointer)this
+            );
+        }
+    }
+}
+

 void wxTextCtrl::SetSelection( long from, long to )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 void wxTextCtrl::SetSelection( long from, long to )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );


@@ -842,16 +794,26 @@ void wxTextCtrl::SetSelection( long from, long to )
     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 pos )

 {
 {

-//    SetInsertionPoint( pos );
+    if (m_windowStyle & wxTE_MULTILINE)
+    {
+        GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
+        float totalLines =  (float) GetNumberOfLines();
+        long posX;
+        long posY;
+        PositionToXY(pos, &posX, &posY);
+        float posLine = (float) posY;
+        float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
+        gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
+    }

 }
 
 long wxTextCtrl::GetInsertionPoint() const
 {
     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
 
 }
 
 long wxTextCtrl::GetInsertionPoint() const
 {
     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
 

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

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


@@ -896,33 +858,21 @@ void wxTextCtrl::Cut()
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 

-#if (GTK_MINOR_VERSION > 0)
-    gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );
-#else
-    gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
-#endif
+    gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );

 }
 
 void wxTextCtrl::Copy()
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 }
 
 void wxTextCtrl::Copy()
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 

-#if (GTK_MINOR_VERSION > 0)
-    gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );
-#else
-    gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
-#endif
+    gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );

 }
 
 void wxTextCtrl::Paste()
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 }
 
 void wxTextCtrl::Paste()
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 

-#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_editable_paste_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );

 }
 
 // Undo/redo
 }
 
 // Undo/redo


@@ -958,21 +908,27 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 

-    long from, to;
+    gint from, to;
+#ifdef __WXGTK20__
+    if ( !gtk_editable_get_selection_bounds(GTK_EDITABLE(m_text), &from, &to) )
+#else

     if ( !(GTK_EDITABLE(m_text)->has_selection) )
     if ( !(GTK_EDITABLE(m_text)->has_selection) )

+#endif

     {
         from =
         to = GetInsertionPoint();
     }
     else // got selection
     {
     {
         from =
         to = GetInsertionPoint();
     }
     else // got selection
     {

+#ifndef __WXGTK20__

         from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
         to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
         from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
         to = (long) GTK_EDITABLE(m_text)->selection_end_pos;

+#endif

 
         if ( from > to )
         {
             // exchange them to be compatible with wxMSW
 
         if ( from > to )
         {
             // exchange them to be compatible with wxMSW

-            long tmp = from;
+            gint tmp = from;

             from = to;
             to = tmp;
         }
             from = to;
             to = tmp;
         }


@@ -988,7 +944,11 @@ bool wxTextCtrl::IsEditable() const
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 

+#ifdef __WXGTK20__
+    return gtk_editable_get_editable(GTK_EDITABLE(m_text));
+#else

     return GTK_EDITABLE(m_text)->editable;
     return GTK_EDITABLE(m_text)->editable;

+#endif

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


@@ -1015,15 +975,22 @@ void wxTextCtrl::OnChar( wxKeyEvent &key_event )
 
     if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
     {
 
     if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
     {

+        // This will invoke the dialog default action, such
+        // as the clicking the default button.
+    

         wxWindow *top_frame = m_parent;
         while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
             top_frame = top_frame->GetParent();
         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)
+        
+        if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))

         {
         {

-            gtk_widget_activate (window->default_widget);
-            return;
+            GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
+
+            if (window->default_widget)
+            {
+                gtk_widget_activate (window->default_widget);
+                return;
+            }

         }
     }
 
         }
     }
 


@@ -1048,7 +1015,7 @@ bool wxTextCtrl::SetFont( const wxFont &font )
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 

-    if ( !wxWindowBase::SetFont(font) )
+    if ( !wxTextCtrlBase::SetFont(font) )

     {
         // font didn't change, nothing to do
         return FALSE;
     {
         // font didn't change, nothing to do
         return FALSE;


@@ -1058,6 +1025,8 @@ bool wxTextCtrl::SetFont( const wxFont &font )
     {
         m_updateFont = TRUE;
 
     {
         m_updateFont = TRUE;
 

+        m_defaultStyle.SetFont(font);
+

         ChangeFontGlobally();
     }
 
         ChangeFontGlobally();
     }
 


@@ -1074,10 +1043,10 @@ void wxTextCtrl::ChangeFontGlobally()
     wxString value = GetValue();
     if ( !value.IsEmpty() )
     {
     wxString value = GetValue();
     if ( !value.IsEmpty() )
     {

+        m_updateFont = FALSE;
+

         Clear();
         AppendText(value);
         Clear();
         AppendText(value);

-
-        m_updateFont = FALSE;

     }
 }
 
     }
 }
 


@@ -1102,12 +1071,13 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 

-    wxControl::SetBackgroundColour( colour );
+    if ( !wxControl::SetBackgroundColour( colour ) )
+        return FALSE;

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

-    wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );
+    wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );

     if (sysbg.Red() == colour.Red() &&
         sysbg.Green() == colour.Green() &&
         sysbg.Blue() == colour.Blue())
     if (sysbg.Red() == colour.Red() &&
         sysbg.Green() == colour.Green() &&
         sysbg.Blue() == colour.Blue())


@@ -1134,7 +1104,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
     return TRUE;
 }
 
     return TRUE;
 }
 

-bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style )
+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) */
 {
     /* VERY dirty way to do that - removes the required text and re-adds it
        with styling (FIXME) */


@@ -1168,19 +1138,13 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr &style )
         size_t txtlen = tmp.length();
 #endif
 
         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 );
+        // use the attributes from style which are set in it and fall back
+        // first to the default style and then to the text control default
+        // colours for the others
+        wxGtkTextInsert(m_text,
+                        wxTextAttr::Combine(style, m_defaultStyle, this),
+                        txt,
+                        txtlen);

 
         /* does not seem to help under GTK+ 1.2 !!!
         gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
 
         /* does not seem to help under GTK+ 1.2 !!!
         gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */


@@ -1290,3 +1254,81 @@ wxSize wxTextCtrl::DoGetBestSize() const
     wxSize ret( wxControl::DoGetBestSize() );
     return wxSize(80, ret.y);
 }
     wxSize ret( wxControl::DoGetBestSize() );
     return wxSize(80, ret.y);
 }

+
+// ----------------------------------------------------------------------------
+// freeze/thaw
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Freeze()
+{
+    if ( HasFlag(wxTE_MULTILINE) )
+    {
+        gtk_text_freeze(GTK_TEXT(m_text));
+    }
+}
+
+void wxTextCtrl::Thaw()
+{
+    if ( HasFlag(wxTE_MULTILINE) )
+    {
+        GTK_TEXT(m_text)->vadj->value = 0.0;
+
+        gtk_text_thaw(GTK_TEXT(m_text));
+    }
+}
+
+// ----------------------------------------------------------------------------
+// scrolling
+// ----------------------------------------------------------------------------
+
+GtkAdjustment *wxTextCtrl::GetVAdj() const
+{
+    return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL;
+}
+
+bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
+{
+    float value = adj->value + diff;
+
+    if ( value < 0 )
+        value = 0;
+
+    float upper = adj->upper - adj->page_size;
+    if ( value > upper )
+        value = upper;
+
+    // did we noticeably change the scroll position?
+    if ( fabs(adj->value - value) < 0.2 )
+    {
+        // well, this is what Robert does in wxScrollBar, so it must be good...
+        return FALSE;
+    }
+
+    adj->value = value;
+
+    gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
+
+    return TRUE;
+}
+
+bool wxTextCtrl::ScrollLines(int lines)
+{
+    GtkAdjustment *adj = GetVAdj();
+    if ( !adj )
+        return FALSE;
+
+    // this is hardcoded to 10 in GTK+ 1.2 (great idea)
+    static const int KEY_SCROLL_PIXELS = 10;
+
+    return DoScroll(adj, lines*KEY_SCROLL_PIXELS);
+}
+
+bool wxTextCtrl::ScrollPages(int pages)
+{
+    GtkAdjustment *adj = GetVAdj();
+    if ( !adj )
+        return FALSE;
+
+    return DoScroll(adj, (int)ceil(pages*adj->page_increment));
+}
+