]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/textctrl.cpp
Optimise internal sorting datastructure
[wxWidgets.git] / src / gtk / textctrl.cpp
index 74425264affe64cd87ce20917f0756d6c2a15f86..1b08ecc0a8d49d2e91fb2e9f88a429ce433dcde9 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        textctrl.cpp
+// Name:        src/gtk/textctrl.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#if wxUSE_TEXTCTRL
+
 #include "wx/textctrl.h"
-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/log.h"
-#include "wx/math.h"
-#include "wx/settings.h"
-#include "wx/panel.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/settings.h"
+    #include "wx/math.h"
+#endif
+
 #include "wx/strconv.h"
 #include "wx/fontutil.h"        // for wxNativeFontInfo (GetNativeFontInfo())
 
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>
-#include "wx/math.h"
 
 #include "wx/gtk/private.h"
-#include <gdk/gdkkeysyms.h>
-
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
-//-----------------------------------------------------------------------------
-// data
-//-----------------------------------------------------------------------------
-
-extern wxCursor   g_globalCursor;
-extern wxWindowGTK *g_delayedFocus;
 
 // ----------------------------------------------------------------------------
 // helpers
@@ -64,8 +53,26 @@ static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
 }
 }
 
-extern "C" {
-static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
+// remove all tags starting with the given prefix from the start..end range
+static void
+wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer,
+                              const char *prefix,
+                              GtkTextIter *start,
+                              GtkTextIter *end)
+{
+    gulong remove_handler_id = g_signal_connect
+                               (
+                                text_buffer,
+                                "remove_tag",
+                                G_CALLBACK(wxGtkOnRemoveTag),
+                                gpointer(prefix)
+                               );
+    gtk_text_buffer_remove_all_tags(text_buffer, start, end);
+    g_signal_handler_disconnect(text_buffer, remove_handler_id);
+}
+
+static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
+                                       GtkTextBuffer *text_buffer,
                                        const wxTextAttr& attr,
                                        GtkTextIter *start,
                                        GtkTextIter *end)
@@ -73,17 +80,13 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
     static gchar buf[1024];
     GtkTextTag *tag;
 
-    gulong remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
-            G_CALLBACK (wxGtkOnRemoveTag), gpointer("WX"));
-    gtk_text_buffer_remove_all_tags(text_buffer, start, end);
-    g_signal_handler_disconnect (text_buffer, remove_handler_id);
-
     if (attr.HasFont())
     {
-        char *font_string;
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
+
         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
-        font_string = pango_font_description_to_string(font_description);
-        g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string);
+        wxGtkString font_string(pango_font_description_to_string(font_description));
+        g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
                                          buf );
         if (!tag)
@@ -91,12 +94,26 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
                                               "font-desc", font_description,
                                               NULL );
         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
-        g_free (font_string);
+
+        if (attr.GetFont().GetUnderlined())
+        {
+            g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
+            tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+                                             buf );
+            if (!tag)
+                tag = gtk_text_buffer_create_tag( text_buffer, buf,
+                                                  "underline-set", TRUE,
+                                                  "underline", PANGO_UNDERLINE_SINGLE,
+                                                  NULL );
+            gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
+        }
     }
 
     if (attr.HasTextColour())
     {
-        GdkColor *colFg = attr.GetTextColour().GetColor();
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
+
+        const GdkColor *colFg = attr.GetTextColour().GetColor();
         g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
                    colFg->red, colFg->green, colFg->blue);
         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
@@ -109,7 +126,9 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
 
     if (attr.HasBackgroundColour())
     {
-        GdkColor *colBg = attr.GetBackgroundColour().GetColor();
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
+
+        const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
         g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
                    colBg->red, colBg->green, colBg->blue);
         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
@@ -128,11 +147,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
-        remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
-                                              G_CALLBACK(wxGtkOnRemoveTag),
-                                              gpointer("WXALIGNMENT"));
-        gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
-        g_signal_handler_disconnect (text_buffer, remove_handler_id);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", start, end);
 
         GtkJustification align;
         switch (attr.GetAlignment())
@@ -146,7 +161,16 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
             case wxTEXT_ALIGNMENT_CENTER:
                 align = GTK_JUSTIFY_CENTER;
                 break;
-            // gtk+ doesn't support justify as of gtk+-2.7.4
+// gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available
+// (but if new enough pango isn't available it's a mere gtk warning)
+#if GTK_CHECK_VERSION(2,11,0)
+            case wxTEXT_ALIGNMENT_JUSTIFIED:
+                if (!gtk_check_version(2,11,0))
+                    align = GTK_JUSTIFY_FILL;
+                else
+                    align = GTK_JUSTIFY_LEFT;
+                break;
+#endif
         }
 
         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
@@ -157,10 +181,103 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
                                               "justification", align, NULL );
         gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
     }
-}
+
+    if (attr.HasLeftIndent())
+    {
+        // Indentation attribute
+
+        // Clear old indentation tags
+        GtkTextIter para_start, para_end = *end;
+        gtk_text_buffer_get_iter_at_line( text_buffer,
+                                          &para_start,
+                                          gtk_text_iter_get_line(start) );
+        gtk_text_iter_forward_line(&para_end);
+
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);
+
+        // Convert indent from 1/10th of a mm into pixels
+        float factor;
+#if GTK_CHECK_VERSION(2,2,0)
+        if (!gtk_check_version(2,2,0))
+            factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
+                      gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
+        else
+#endif
+            factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
+
+        const int indent = (int)(factor * attr.GetLeftIndent());
+        const int subIndent = (int)(factor * attr.GetLeftSubIndent());
+
+        gint gindent;
+        gint gsubindent;
+
+        if (subIndent >= 0)
+        {
+            gindent = indent;
+            gsubindent = -subIndent;
+        }
+        else
+        {
+            gindent = -subIndent;
+            gsubindent = indent;
+        }
+
+        g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
+        tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+                                        buf );
+        if (!tag)
+            tag = gtk_text_buffer_create_tag( text_buffer, buf,
+                                              "left-margin", gindent, "indent", gsubindent, NULL );
+        gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
+    }
+
+    if (attr.HasTabs())
+    {
+        // Set tab stops
+
+        // Clear old tabs
+        GtkTextIter para_start, para_end = *end;
+        gtk_text_buffer_get_iter_at_line( text_buffer,
+                                          &para_start,
+                                          gtk_text_iter_get_line(start) );
+        gtk_text_iter_forward_line(&para_end);
+
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);
+
+        const wxArrayInt& tabs = attr.GetTabs();
+
+        wxString tagname = _T("WXTABS");
+        g_snprintf(buf, sizeof(buf), "WXTABS");
+        for (size_t i = 0; i < tabs.GetCount(); i++)
+            tagname += wxString::Format(_T(" %d"), tabs[i]);
+
+        const wxWX2MBbuf buf = tagname.mb_str(wxConvUTF8);
+
+        tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+                                        buf );
+        if (!tag)
+        {
+            // Factor to convert from 1/10th of a mm into pixels
+            float factor;
+#if GTK_CHECK_VERSION(2,2,0)
+            if (!gtk_check_version(2,2,0))
+                factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
+                          gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
+            else
+#endif
+                factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
+
+            PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
+            for (size_t i = 0; i < tabs.GetCount(); i++)
+                pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
+            tag = gtk_text_buffer_create_tag( text_buffer, buf,
+                                              "tabs", tabArray, NULL );
+            pango_tab_array_free(tabArray);
+        }
+        gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
+    }
 }
 
-extern "C" {
 static void wxGtkTextInsert(GtkWidget *text,
                             GtkTextBuffer *text_buffer,
                             const wxTextAttr& attr,
@@ -177,8 +294,7 @@ static void wxGtkTextInsert(GtkWidget *text,
 
     gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
 
-    wxGtkTextApplyTagsFromAttr(text_buffer, attr, &start, &iter);
-}
+    wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 }
 
 // ----------------------------------------------------------------------------
@@ -193,9 +309,6 @@ gtk_insert_text_callback(GtkEditable *editable,
                          gint *position,
                          wxTextCtrl *win)
 {
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
     // we should only be called if we have a max len limit at all
     GtkEntry *entry = GTK_ENTRY (editable);
 
@@ -317,7 +430,7 @@ au_check_word( GtkTextIter *s, GtkTextIter *e )
     gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
     gtk_text_iter_forward_char(&end);
 
-    gchar* text = gtk_text_iter_get_text( &start, &end );
+    wxGtkString text(gtk_text_iter_get_text( &start, &end ));
     size_t len = strlen(text), prefix_len;
     size_t n;
 
@@ -442,14 +555,52 @@ gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 
     if (!win->m_hasVMT) return;
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    if ( win->MarkDirtyOnChange() )
+        win->MarkDirty();
+
+    win->SendTextUpdatedEvent();
+}
+}
 
-    win->SetModified();
+//-----------------------------------------------------------------------------
+//  clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
+//-----------------------------------------------------------------------------
 
-    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
+// common part of the event handlers below
+static void
+handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
+                                wxEventType eventType, const gchar * signal_name)
+{
+    wxClipboardTextEvent event( eventType, win->GetId() );
     event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    if ( win->GetEventHandler()->ProcessEvent( event ) )
+    {
+        // don't let the default processing to take place if we did something
+        // ourselves in the event handler
+        g_signal_stop_emission_by_name (widget, signal_name);
+    }
+}
+
+extern "C" {
+static void
+gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
+{
+    handle_text_clipboard_callback(
+        widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
+}
+
+static void
+gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
+{
+    handle_text_clipboard_callback(
+        widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
+}
+
+static void
+gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
+{
+    handle_text_clipboard_callback(
+        widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
 }
 }
 
@@ -470,9 +621,9 @@ gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl
 //  wxTextCtrl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
     EVT_CHAR(wxTextCtrl::OnChar)
 
     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
@@ -500,12 +651,16 @@ END_EVENT_TABLE()
 
 void wxTextCtrl::Init()
 {
-    m_ignoreNextUpdate =
+    m_dontMarkDirty =
     m_modified = false;
+
+    m_countUpdatesToIgnore = 0;
+
     SetUpdateFont(false);
-    m_text =
-    m_vScrollbar = (GtkWidget *)NULL;
-    m_frozenness = 0;
+
+    m_text = NULL;
+    m_freezeCount = 0;
+    m_showPositionOnThaw = NULL;
     m_gdkHandCursor = NULL;
     m_gdkXTermCursor = NULL;
 }
@@ -541,9 +696,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
                          const wxValidator& validator,
                          const wxString &name )
 {
-    m_needParent = true;
-    m_acceptsFocus = true;
-
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
@@ -551,9 +703,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
         return false;
     }
 
-
-    m_vScrollbarVisible = false;
-
     bool multi_line = (style & wxTE_MULTILINE) != 0;
 
     if (multi_line)
@@ -563,39 +712,27 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
         m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
 
+        // create "ShowPosition" marker
+        GtkTextIter iter;
+        gtk_text_buffer_get_start_iter(m_buffer, &iter);
+        gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
+
         // create scrolled window
         m_widget = gtk_scrolled_window_new( NULL, NULL );
         gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
-                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+                                        GTK_POLICY_AUTOMATIC,
+                                        style & wxTE_NO_VSCROLL
+                                            ? GTK_POLICY_NEVER
+                                            : GTK_POLICY_AUTOMATIC );
+        // for ScrollLines/Pages
+        m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
 
         // Insert view into scrolled window
         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 
-        // translate wx wrapping style to GTK+
-        GtkWrapMode wrap;
-        if ( HasFlag( wxTE_DONTWRAP ) )
-            wrap = GTK_WRAP_NONE;
-        else if ( HasFlag( wxTE_CHARWRAP ) )
-            wrap = GTK_WRAP_CHAR;
-        else if ( HasFlag( wxTE_WORDWRAP ) )
-            wrap = GTK_WRAP_WORD;
-        else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
-        {
-            // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
-#ifdef __WXGTK24__
-            if ( !gtk_check_version(2,4,0) )
-            {
-                wrap = GTK_WRAP_WORD_CHAR;
-            }
-            else
-#endif
-            wrap = GTK_WRAP_WORD;
-        }
-
-        gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
+        GTKSetWrapMode();
 
-        if (!HasFlag(wxNO_BORDER))
-            gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
+        GtkScrolledWindowSetBorder(m_widget, style);
 
         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 
@@ -608,7 +745,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
         m_text = gtk_entry_new();
 
         if (style & wxNO_BORDER)
-            g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL );
+            g_object_set (m_text, "has-frame", FALSE, NULL);
     }
 
     m_parent->DoAddChild( this );
@@ -618,7 +755,21 @@ bool wxTextCtrl::Create( wxWindow *parent,
     PostCreation(size);
 
     if (multi_line)
+    {
         gtk_widget_show(m_text);
+    }
+
+    // We want to be notified about text changes.
+    if (multi_line)
+    {
+        g_signal_connect (m_buffer, "changed",
+                          G_CALLBACK (gtk_text_changed_callback), this);
+    }
+    else
+    {
+        g_signal_connect (m_text, "changed",
+                          G_CALLBACK (gtk_text_changed_callback), this);
+    }
 
     if (!value.empty())
     {
@@ -626,48 +777,18 @@ bool wxTextCtrl::Create( wxWindow *parent,
     }
 
     if (style & wxTE_PASSWORD)
-    {
-        if (!multi_line)
-            gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
-    }
+        GTKSetVisibility();
 
     if (style & wxTE_READONLY)
-    {
-        if (!multi_line)
-            gtk_editable_set_editable( GTK_EDITABLE(m_text), FALSE );
-        else
-            gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
-    }
+        GTKSetEditable();
 
-    if (multi_line)
-    {
-        if (style & wxTE_RIGHT)
-            gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT );
-        else if (style & wxTE_CENTRE)
-            gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER );
-        // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT
-    }
-    else
-    {
-#ifdef __WXGTK24__
-        // gtk_entry_set_alignment was introduced in gtk+-2.3.5
-        if (!gtk_check_version(2,4,0))
-        {
-            if (style & wxTE_RIGHT)
-                gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 );
-            else if (style & wxTE_CENTRE)
-                gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 );
-        }
-#endif
-    }
+    // left justification (alignment) is the default anyhow
+    if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
+        GTKSetJustification();
 
-    // We want to be notified about text changes.
     if (multi_line)
     {
-        g_signal_connect (m_buffer, "changed",
-                          G_CALLBACK (gtk_text_changed_callback), this);
-
-        // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
+        // Handle URLs on multi-line controls with wxTE_AUTO_URL style
         if (style & wxTE_AUTO_URL)
         {
             GtkTextIter start, end;
@@ -703,89 +824,224 @@ bool wxTextCtrl::Create( wxWindow *parent,
             au_check_range(&start, &end);
         }
     }
-    else
-    {
-        g_signal_connect (m_text, "changed",
-                          G_CALLBACK (gtk_text_changed_callback), this);
-    }
+    
+    g_signal_connect (m_text, "copy-clipboard",
+                      G_CALLBACK (gtk_copy_clipboard_callback), this);
+    g_signal_connect (m_text, "cut-clipboard",
+                      G_CALLBACK (gtk_cut_clipboard_callback), this);
+    g_signal_connect (m_text, "paste-clipboard",
+                      G_CALLBACK (gtk_paste_clipboard_callback), this);
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
-    wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
-    SetDefaultStyle( attrDef );
-
     return true;
 }
 
+// ----------------------------------------------------------------------------
+// flags handling
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::GTKSetEditable()
+{
+    gboolean editable = !HasFlag(wxTE_READONLY);
+    if ( IsSingleLine() )
+        gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
+    else
+        gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
+}
+
+void wxTextCtrl::GTKSetVisibility()
+{
+    // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control?
+    if ( IsSingleLine() )
+        gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
+}
+
+void wxTextCtrl::GTKSetWrapMode()
+{
+    // no wrapping in single line controls
+    if ( !IsMultiLine() )
+        return;
+
+    // translate wx wrapping style to GTK+
+    GtkWrapMode wrap;
+    if ( HasFlag( wxTE_DONTWRAP ) )
+        wrap = GTK_WRAP_NONE;
+    else if ( HasFlag( wxTE_CHARWRAP ) )
+        wrap = GTK_WRAP_CHAR;
+    else if ( HasFlag( wxTE_WORDWRAP ) )
+        wrap = GTK_WRAP_WORD;
+    else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
+    {
+        // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
+#ifdef __WXGTK24__
+        if ( !gtk_check_version(2,4,0) )
+        {
+            wrap = GTK_WRAP_WORD_CHAR;
+        }
+        else
+#endif // __WXGTK24__
+        wrap = GTK_WRAP_WORD;
+    }
+
+    gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
+}
+
+void wxTextCtrl::GTKSetJustification()
+{
+    if ( IsMultiLine() )
+    {
+        GtkJustification just;
+        if ( HasFlag(wxTE_RIGHT) )
+            just = GTK_JUSTIFY_RIGHT;
+        else if ( HasFlag(wxTE_CENTRE) )
+            just = GTK_JUSTIFY_CENTER;
+        else // wxTE_LEFT == 0
+            just = GTK_JUSTIFY_LEFT;
 
-void wxTextCtrl::CalculateScrollbar()
+        gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
+    }
+    else // single line
+    {
+#ifdef __WXGTK24__
+        // gtk_entry_set_alignment was introduced in gtk+-2.3.5
+        if (!gtk_check_version(2,4,0))
+        {
+            gfloat align;
+            if ( HasFlag(wxTE_RIGHT) )
+                align = 1.0;
+            else if ( HasFlag(wxTE_CENTRE) )
+                align = 0.5;
+            else // single line
+                align = 0.0;
+
+            gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
+        }
+#endif // __WXGTK24__
+    }
+
+}
+
+void wxTextCtrl::SetWindowStyleFlag(long style)
 {
+    long styleOld = GetWindowStyleFlag();
+
+    wxTextCtrlBase::SetWindowStyleFlag(style);
+
+    if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
+        GTKSetEditable();
+
+    if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
+        GTKSetVisibility();
+
+    static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
+    if ( (style & flagsWrap) != (styleOld & flagsWrap) )
+        GTKSetWrapMode();
+
+    static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
+    if ( (style & flagsAlign) != (styleOld & flagsAlign) )
+        GTKSetJustification();
 }
 
+// ----------------------------------------------------------------------------
+// control value
+// ----------------------------------------------------------------------------
+
 wxString wxTextCtrl::GetValue() const
 {
     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
 
     wxString tmp;
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
         GtkTextIter start;
         gtk_text_buffer_get_start_iter( m_buffer, &start );
         GtkTextIter end;
         gtk_text_buffer_get_end_iter( m_buffer, &end );
-        gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
-
-#if wxUSE_UNICODE
-        wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
-#else
-        wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
-#endif
-        if ( buffer )
-            tmp = buffer;
+        wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 
-        g_free( text );
+        return wxGTK_CONV_BACK(text);
     }
     else
     {
-        tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
+        const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
+        return wxGTK_CONV_BACK(text);
     }
 
     return tmp;
 }
 
-void wxTextCtrl::SetValue( const wxString &value )
+wxFontEncoding wxTextCtrl::GetTextEncoding() const
+{
+    // GTK+ uses UTF-8 internally, we need to convert to it but from which
+    // encoding?
+
+    // first check the default text style (we intentionally don't check the
+    // style for the current position as it doesn't make sense for SetValue())
+    const wxTextAttr& style = GetDefaultStyle();
+    wxFontEncoding enc = style.HasFont() ? style.GetFont().GetEncoding()
+                                         : wxFONTENCODING_SYSTEM;
+
+    // fall back to the controls font if no style
+    if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
+        enc = GetFont().GetEncoding();
+
+    return enc;
+}
+
+bool wxTextCtrl::IsEmpty() const
+{
+    if ( IsMultiLine() )
+        return gtk_text_buffer_get_char_count(m_buffer) == 0;
+
+    return wxTextCtrlBase::IsEmpty();
+}
+
+void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    m_modified = false;
+
+    wxFontEncoding enc = m_defaultStyle.HasFont()
+                            ? m_defaultStyle.GetFont().GetEncoding()
+                            : wxFONTENCODING_SYSTEM;
+    if ( enc == wxFONTENCODING_SYSTEM )
+        enc = GetTextEncoding();
+
+    const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
+    if ( !buffer )
     {
-#if wxUSE_UNICODE
-        wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
-#else
-        wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
-#endif
-        if (gtk_text_buffer_get_char_count(m_buffer) != 0)
-            IgnoreNextTextUpdate();
+        // see comment in WriteText() as to why we must warn the user about
+        // this
+        wxLogWarning(_("Failed to set text in the text control."));
+        return;
+    }
 
-        if ( !buffer )
+    void* blockWidget = IsMultiLine() ? (void*)m_buffer : (void*)m_text;
+    g_signal_handlers_block_by_func(blockWidget,
+        (gpointer)gtk_text_changed_callback, this);
+    if ( IsMultiLine() )
+    {
+        gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
+                    
+        if ( !m_defaultStyle.IsDefault() )
         {
-            // what else can we do? at least don't crash...
-            return;
+            GtkTextIter start, end;
+            gtk_text_buffer_get_bounds( m_buffer, &start, &end );
+            wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
+                                       &start, &end);
         }
-
-        gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
     }
     else
     {
-        gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
+        gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
     }
-
-    // GRG, Jun/2000: Changed this after a lot of discussion in
-    //   the lists. wxWidgets 2.2 will have a set of flags to
-    //   customize this behaviour.
+    g_signal_handlers_unblock_by_func(blockWidget,
+        (gpointer)gtk_text_changed_callback, this);
+                    
+    // This was added after discussion on the list
     SetInsertionPoint(0);
-
-    m_modified = false;
 }
 
 void wxTextCtrl::WriteText( const wxString &text )
@@ -795,30 +1051,46 @@ void wxTextCtrl::WriteText( const wxString &text )
     if ( text.empty() )
         return;
 
-    // gtk_text_changed_callback() will set m_modified to true but m_modified
-    // shouldn't be changed by the program writing to the text control itself,
-    // so save the old value and restore when we're done
-    bool oldModified = m_modified;
+    // check if we have a specific style for the current position
+    wxFontEncoding enc = wxFONTENCODING_SYSTEM;
+    wxTextAttr style;
+    if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() )
+    {
+        enc = style.GetFont().GetEncoding();
+    }
+
+    if ( enc == wxFONTENCODING_SYSTEM )
+        enc = GetTextEncoding();
 
-    if ( m_windowStyle & wxTE_MULTILINE )
+    const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
+    if ( !buffer )
     {
-#if wxUSE_UNICODE
-        wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
-#else
-        wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
-#endif
-        if ( !buffer )
-        {
-            // what else can we do? at least don't crash...
-            return;
-        }
+        // we must log an error here as losing the text like this can be a
+        // serious problem (e.g. imagine the document edited by user being
+        // empty instead of containing the correct text)
+        wxLogWarning(_("Failed to insert text in the control."));
+        return;
+    }
 
-        // TODO: Call whatever is needed to delete the selection.
+    // we're changing the text programmatically
+    DontMarkDirtyOnNextChange();
+
+    if ( IsMultiLine() )
+    {
+        // First remove the selection if there is one
+        // TODO:  Is there an easier GTK specific way to do this?
+        long from, to;
+        GetSelection(&from, &to);
+        if (from != to)
+            Remove(from, to);
+
+        // Insert the text
         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
 
         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
         // Scroll to cursor, but only if scrollbar thumb is at the very bottom
-        if ( wxIsSameDouble(adj->value, adj->upper - adj->page_size) )
+        // won't work when frozen, text view is not using m_buffer then
+        if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
         {
             gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
                     gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
@@ -832,24 +1104,11 @@ void wxTextCtrl::WriteText( const wxString &text )
         // This moves the cursor pos to behind the inserted text.
         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
 
-#if wxUSE_UNICODE
-        wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
-#else
-        wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
-#endif
-        if ( !buffer )
-        {
-            // what else can we do? at least don't crash...
-            return;
-        }
-
         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
 
         // Bring entry's cursor uptodate.
         gtk_editable_set_position( GTK_EDITABLE(m_text), len );
     }
-
-    m_modified = oldModified;
 }
 
 void wxTextCtrl::AppendText( const wxString &text )
@@ -860,22 +1119,26 @@ void wxTextCtrl::AppendText( const wxString &text )
 
 wxString wxTextCtrl::GetLineText( long lineNo ) const
 {
-    if (m_windowStyle & wxTE_MULTILINE)
+    wxString result;
+    if ( IsMultiLine() )
     {
         GtkTextIter line;
         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
+
         GtkTextIter end = line;
-        gtk_text_iter_forward_to_line_end(&end);
-        gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE);
-        wxString result(wxGTK_CONV_BACK(text));
-        g_free(text);
-        return result;
+        // avoid skipping to the next line end if this one is empty
+        if ( !gtk_text_iter_ends_line(&line) )
+            gtk_text_iter_forward_to_line_end(&end);
+
+        wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
+        result = wxGTK_CONV_BACK(text);
     }
     else
     {
-        if (lineNo == 0) return GetValue();
-        return wxEmptyString;
+        if (lineNo == 0)
+            result = GetValue();
     }
+    return result;
 }
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
@@ -887,22 +1150,28 @@ void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
 
 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
 {
-    if ( m_windowStyle & wxTE_MULTILINE )
+    if ( IsMultiLine() )
     {
         GtkTextIter iter;
-        gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
-        if (gtk_text_iter_is_end(&iter))
+
+        if (pos > GetLastPosition())
             return false;
 
-        *y = gtk_text_iter_get_line(&iter);
-        *x = gtk_text_iter_get_line_offset(&iter);
+        gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
+
+        if ( y )
+            *y = gtk_text_iter_get_line(&iter);
+        if ( x )
+            *x = gtk_text_iter_get_line_offset(&iter);
     }
     else // single line control
     {
         if ( pos <= GTK_ENTRY(m_text)->text_length )
         {
-            *y = 0;
-            *x = pos;
+            if ( y )
+                *y = 0;
+            if ( x )
+                *x = pos;
         }
         else
         {
@@ -916,7 +1185,8 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
 
 long wxTextCtrl::XYToPosition(long x, long y ) const
 {
-    if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
+    if ( IsSingleLine() )
+        return 0;
 
     GtkTextIter iter;
     if (y >= gtk_text_buffer_get_line_count (m_buffer))
@@ -931,7 +1201,7 @@ long wxTextCtrl::XYToPosition(long x, long y ) const
 
 int wxTextCtrl::GetLineLength(long lineNo) const
 {
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
         int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
         if (lineNo > last_line)
@@ -945,16 +1215,20 @@ int wxTextCtrl::GetLineLength(long lineNo) const
     else
     {
         wxString str = GetLineText (lineNo);
-        return (int) str.Length();
+        return (int) str.length();
     }
 }
 
 int wxTextCtrl::GetNumberOfLines() const
 {
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
+    {
         return gtk_text_buffer_get_line_count( m_buffer );
-    else
+    }
+    else // single line
+    {
         return 1;
+    }
 }
 
 void wxTextCtrl::SetInsertionPoint( long pos )
@@ -966,11 +1240,12 @@ void wxTextCtrl::SetInsertionPoint( long pos )
         GtkTextIter iter;
         gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
         gtk_text_buffer_place_cursor( m_buffer, &iter );
-        gtk_text_view_scroll_mark_onscreen
-        (
-            GTK_TEXT_VIEW(m_text),
-            gtk_text_buffer_get_insert( m_buffer )
-        );
+        GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
+        if (IsFrozen())
+            // defer until Thaw, text view is not using m_buffer now
+            m_showPositionOnThaw = mark;
+        else
+            gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
     }
     else
     {
@@ -981,25 +1256,14 @@ void wxTextCtrl::SetInsertionPoint( long pos )
 
 void wxTextCtrl::SetInsertionPointEnd()
 {
-    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
-
-    if (m_windowStyle & wxTE_MULTILINE)
-    {
-        GtkTextIter end;
-        gtk_text_buffer_get_end_iter( m_buffer, &end );
-        gtk_text_buffer_place_cursor( m_buffer, &end );
-    }
-    else
-    {
-        gtk_editable_set_position( GTK_EDITABLE(m_text), -1 );
-    }
+    SetInsertionPoint(-1);
 }
 
 void wxTextCtrl::SetEditable( bool editable )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
         gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
     }
@@ -1017,22 +1281,15 @@ bool wxTextCtrl::Enable( bool enable )
         return false;
     }
 
-    if (m_windowStyle & wxTE_MULTILINE)
-    {
-        SetEditable( enable );
-    }
-    else
-    {
-        gtk_widget_set_sensitive( m_text, enable );
-    }
+    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
+// to give widgets an opportunity to correct their colours after they
 // have been changed by Enable
-void wxTextCtrl::OnParentEnable( bool enable )
+void wxTextCtrl::OnEnabled( 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
@@ -1063,16 +1320,11 @@ void wxTextCtrl::DiscardEdits()
 // max text length support
 // ----------------------------------------------------------------------------
 
-void wxTextCtrl::IgnoreNextTextUpdate()
-{
-    m_ignoreNextUpdate = true;
-}
-
 bool wxTextCtrl::IgnoreTextUpdate()
 {
-    if ( m_ignoreNextUpdate )
+    if ( m_countUpdatesToIgnore > 0 )
     {
-        m_ignoreNextUpdate = false;
+        m_countUpdatesToIgnore--;
 
         return true;
     }
@@ -1080,6 +1332,18 @@ bool wxTextCtrl::IgnoreTextUpdate()
     return false;
 }
 
+bool wxTextCtrl::MarkDirtyOnChange()
+{
+    if ( m_dontMarkDirty )
+    {
+        m_dontMarkDirty = false;
+
+        return false;
+    }
+
+    return true;
+}
+
 void wxTextCtrl::SetMaxLength(unsigned long len)
 {
     if ( !HasFlag(wxTE_MULTILINE) )
@@ -1115,10 +1379,10 @@ void wxTextCtrl::SetSelection( long from, long to )
     if (from == -1 && to == -1)
     {
         from = 0;
-        to = GetValue().Length();
+        to = GetValue().length();
     }
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
         GtkTextIter fromi, toi;
         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
@@ -1135,13 +1399,17 @@ void wxTextCtrl::SetSelection( long from, long to )
 
 void wxTextCtrl::ShowPosition( long pos )
 {
-    if (m_windowStyle & wxTE_MULTILINE)
+    if (IsMultiLine())
     {
         GtkTextIter iter;
-        gtk_text_buffer_get_start_iter( m_buffer, &iter );
-        gtk_text_iter_set_offset( &iter, pos );
-        GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE );
-        gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
+        gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
+        GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
+        gtk_text_buffer_move_mark(m_buffer, mark, &iter);
+        if (IsFrozen())
+            // defer until Thaw, text view is not using m_buffer now
+            m_showPositionOnThaw = mark;
+        else
+            gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
     }
 }
 
@@ -1175,7 +1443,7 @@ long wxTextCtrl::GetInsertionPoint() const
 {
     wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
         // There is no direct accessor for the cursor, but
         // internally, the cursor is the "mark" called
@@ -1199,7 +1467,7 @@ wxTextPos wxTextCtrl::GetLastPosition() const
 
     int pos = 0;
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
         GtkTextIter end;
         gtk_text_buffer_get_end_iter( m_buffer, &end );
@@ -1218,7 +1486,7 @@ void wxTextCtrl::Remove( long from, long to )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
         GtkTextIter fromi, toi;
         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
@@ -1247,7 +1515,7 @@ void wxTextCtrl::Cut()
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
         g_signal_emit_by_name (m_text, "cut-clipboard");
     else
         gtk_editable_cut_clipboard(GTK_EDITABLE(m_text));
@@ -1257,7 +1525,7 @@ void wxTextCtrl::Copy()
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
         g_signal_emit_by_name (m_text, "copy-clipboard");
     else
         gtk_editable_copy_clipboard(GTK_EDITABLE(m_text));
@@ -1267,7 +1535,7 @@ void wxTextCtrl::Paste()
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
         g_signal_emit_by_name (m_text, "paste-clipboard");
     else
         gtk_editable_paste_clipboard(GTK_EDITABLE(m_text));
@@ -1310,7 +1578,7 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
     gint to = -1;
     bool haveSelection = false;
 
-     if (m_windowStyle & wxTE_MULTILINE)
+     if ( IsMultiLine() )
      {
          GtkTextIter ifrom, ito;
          if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
@@ -1351,7 +1619,7 @@ bool wxTextCtrl::IsEditable() const
 {
     wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
 
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
         return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
     }
@@ -1375,31 +1643,37 @@ void wxTextCtrl::OnChar( wxKeyEvent &key_event )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if ((key_event.GetKeyCode() == 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.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
+    if ( key_event.GetKeyCode() == WXK_RETURN )
     {
-        // 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();
+        if ( HasFlag(wxTE_PROCESS_ENTER) )
+        {
+            wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+            event.SetEventObject(this);
+            event.SetString(GetValue());
+            if ( GetEventHandler()->ProcessEvent(event) )
+                return;
+        }
 
-        if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
+        // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
+        //        probably is
+        if ( IsSingleLine() )
         {
-            GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
+            // This will invoke the dialog default action, such
+            // as the clicking the default button.
 
-            if (window->default_widget)
+            wxWindow *top_frame = m_parent;
+            while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
+                top_frame = top_frame->GetParent();
+
+            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;
+                }
             }
         }
     }
@@ -1412,15 +1686,16 @@ GtkWidget* wxTextCtrl::GetConnectWidget()
     return GTK_WIDGET(m_text);
 }
 
-bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
+GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
 {
-    if (m_windowStyle & wxTE_MULTILINE)
+    if ( IsMultiLine() )
     {
-        return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT );  // pure guesswork
+        return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
+                                        GTK_TEXT_WINDOW_TEXT );
     }
     else
     {
-        return (window == GTK_ENTRY(m_text)->text_area);
+        return GTK_ENTRY(m_text)->text_area;
     }
 }
 
@@ -1435,7 +1710,7 @@ bool wxTextCtrl::SetFont( const wxFont &font )
         return false;
     }
 
-    if ( m_windowStyle & wxTE_MULTILINE )
+    if ( IsMultiLine() )
     {
         SetUpdateFont(true);
 
@@ -1453,7 +1728,7 @@ void wxTextCtrl::ChangeFontGlobally()
     // possible!
     //
     // TODO: it can be implemented much more efficiently for GTK2
-    wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE),
+    wxASSERT_MSG( IsMultiLine(),
                   _T("shouldn't be called for single line controls") );
 
     wxString value = GetValue();
@@ -1495,7 +1770,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
 
 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
 {
-    if ( m_windowStyle & wxTE_MULTILINE )
+    if ( IsMultiLine() )
     {
         if ( style.IsDefault() )
         {
@@ -1512,18 +1787,12 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
         gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
 
-        // 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
-        wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
-
-        wxGtkTextApplyTagsFromAttr( m_buffer, attr, &starti, &endi );
+        wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
 
         return true;
     }
+    //else: single line text controls don't support styles
 
-    // else single line
-    // cannot do this for GTK+'s Entry widget
     return false;
 }
 
@@ -1582,24 +1851,6 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
     event.Enable( CanRedo() );
 }
 
-void wxTextCtrl::OnInternalIdle()
-{
-    wxCursor cursor = m_cursor;
-    if (g_globalCursor.Ok()) cursor = g_globalCursor;
-
-    if (g_delayedFocus == this)
-    {
-        if (GTK_WIDGET_REALIZED(m_widget))
-        {
-            gtk_widget_grab_focus( m_widget );
-            g_delayedFocus = NULL;
-        }
-    }
-
-    if (wxUpdateUIEvent::CanUpdate(this))
-        UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
-}
-
 wxSize wxTextCtrl::DoGetBestSize() const
 {
     // FIXME should be different for multi-line controls...
@@ -1615,9 +1866,11 @@ wxSize wxTextCtrl::DoGetBestSize() const
 
 void wxTextCtrl::Freeze()
 {
+    wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
+
     if ( HasFlag(wxTE_MULTILINE) )
     {
-        if ( !m_frozenness++ )
+        if (m_freezeCount++ == 0)
         {
             // freeze textview updates and remove buffer
             g_signal_connect (m_text, "expose_event",
@@ -1626,7 +1879,17 @@ void wxTextCtrl::Freeze()
                               G_CALLBACK (gtk_text_exposed_callback), this);
             gtk_widget_set_sensitive(m_widget, false);
             g_object_ref(m_buffer);
-            gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL));
+            GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
+            GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
+            gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
+            // gtk_text_view_set_buffer adds its own reference
+            g_object_unref(buf_new);
+            // This mark should be deleted when the buffer is changed,
+            // but it's not (in GTK+ up to at least 2.10.6).
+            // Otherwise these anonymous marks start to build up in the buffer,
+            // and Freeze takes longer and longer each time it is called.
+            if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
+                gtk_text_buffer_delete_mark(m_buffer, mark);
         }
     }
 }
@@ -1635,9 +1898,9 @@ void wxTextCtrl::Thaw()
 {
     if ( HasFlag(wxTE_MULTILINE) )
     {
-        wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") );
+        wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
 
-        if ( !--m_frozenness )
+        if (--m_freezeCount == 0)
         {
             // Reattach buffer and thaw textview updates
             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
@@ -1647,6 +1910,12 @@ void wxTextCtrl::Thaw()
                     (gpointer) gtk_text_exposed_callback, this);
             g_signal_handlers_disconnect_by_func (m_text,
                     (gpointer) gtk_text_exposed_callback, this);
+            if (m_showPositionOnThaw != NULL)
+            {
+                gtk_text_view_scroll_mark_onscreen(
+                    GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
+                m_showPositionOnThaw = NULL;
+            }
         }
     }
 }
@@ -1661,7 +1930,7 @@ void wxTextCtrl::Thaw()
 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
 {
     event.Skip();
-    if(!(m_windowStyle & wxTE_AUTO_URL))
+    if( !HasFlag(wxTE_AUTO_URL) )
         return;
 
     gint x, y;
@@ -1704,67 +1973,23 @@ void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
     GetEventHandler()->ProcessEvent(url_event);
 }
 
-// ----------------------------------------------------------------------------
-// scrolling
-// ----------------------------------------------------------------------------
-
-GtkAdjustment *wxTextCtrl::GetVAdj() const
-{
-    if ( !IsMultiLine() )
-        return NULL;
-
-    return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
-}
-
-bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
+bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
 {
-    float value = adj->value + diff;
+    bool rc = wxTextCtrlBase::GTKProcessEvent(event);
 
-    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_adjustment_value_changed(GTK_ADJUSTMENT(adj));
-
-    return true;
-}
-
-bool wxTextCtrl::ScrollLines(int lines)
-{
-    GtkAdjustment *adj = GetVAdj();
-    if ( !adj )
-        return false;
-
-    int diff = (int)ceil(lines*adj->step_increment);
-
-    return DoScroll(adj, diff);
+    // GtkTextView starts a drag operation when left mouse button is pressed
+    // and ends it when it is released and if it doesn't get the release event
+    // the next click on a control results in an assertion failure inside
+    // gtk_text_view_start_selection_drag() which simply *kills* the program
+    // without anything we can do about it, so always let GTK+ have this event
+    return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
 }
 
-bool wxTextCtrl::ScrollPages(int pages)
-{
-    GtkAdjustment *adj = GetVAdj();
-    if ( !adj )
-        return false;
-
-    return DoScroll(adj, (int)ceil(pages*adj->page_increment));
-}
-
-
 // static
 wxVisualAttributes
 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
 }
+
+#endif // wxUSE_TEXTCTRL