corrected off by 1 error in cMB2WC() call (thanks valgrind)

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

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index 182d64038a18776ddc6f418ebdd6529a705227ff..1b08ecc0a8d49d2e91fb2e9f88a429ce433dcde9 100644 (file)
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -10,13 +10,14 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 

+#if wxUSE_TEXTCTRL
+

 #include "wx/textctrl.h"
 
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/utils.h"
 #include "wx/textctrl.h"
 
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/utils.h"

-    #include "wx/panel.h"

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


@@ -29,7 +30,6 @@
 #include <ctype.h>
 
 #include "wx/gtk/private.h"
 #include <ctype.h>
 
 #include "wx/gtk/private.h"

-#include <gdk/gdkkeysyms.h>

 
 // ----------------------------------------------------------------------------
 // helpers
 
 // ----------------------------------------------------------------------------
 // helpers


@@ -53,7 +53,24 @@ static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
 }
 }
 
 }
 }
 

-extern "C" {
+// 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,
 static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                        GtkTextBuffer *text_buffer,
                                        const wxTextAttr& attr,


@@ -63,13 +80,10 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
     static gchar buf[1024];
     GtkTextTag *tag;
 
     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())
     {
     if (attr.HasFont())
     {

+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
+

         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
         wxGtkString font_string(pango_font_description_to_string(font_description));
         g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
         wxGtkString font_string(pango_font_description_to_string(font_description));
         g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());


@@ -97,6 +111,8 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
 
     if (attr.HasTextColour())
     {
 
     if (attr.HasTextColour())
     {

+        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);
         const GdkColor *colFg = attr.GetTextColour().GetColor();
         g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
                    colFg->red, colFg->green, colFg->blue);


@@ -110,6 +126,8 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
 
     if (attr.HasBackgroundColour())
     {
 
     if (attr.HasBackgroundColour())
     {

+        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);
         const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
         g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
                    colBg->red, colBg->green, colBg->blue);


@@ -129,11 +147,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
                                           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())
 
         GtkJustification align;
         switch (attr.GetAlignment())


@@ -147,7 +161,16 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
             case wxTEXT_ALIGNMENT_CENTER:
                 align = GTK_JUSTIFY_CENTER;
                 break;
             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);
         }
 
         g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);


@@ -170,11 +193,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
                                           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("WXINDENT"));
-        gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
-        g_signal_handler_disconnect (text_buffer, remove_handler_id);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);

 
         // Convert indent from 1/10th of a mm into pixels
         float factor;
 
         // Convert indent from 1/10th of a mm into pixels
         float factor;


@@ -223,11 +242,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
                                           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("WXTABS"));
-        gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
-        g_signal_handler_disconnect (text_buffer, remove_handler_id);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);

 
         const wxArrayInt& tabs = attr.GetTabs();
 
 
         const wxArrayInt& tabs = attr.GetTabs();
 


@@ -262,9 +277,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
         gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
     }
 }
         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,
 static void wxGtkTextInsert(GtkWidget *text,
                             GtkTextBuffer *text_buffer,
                             const wxTextAttr& attr,


@@ -283,7 +296,6 @@ static void wxGtkTextInsert(GtkWidget *text,
 
     wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 }
 
     wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 }

-}

 
 // ----------------------------------------------------------------------------
 // "insert_text" for GtkEntry
 
 // ----------------------------------------------------------------------------
 // "insert_text" for GtkEntry


@@ -297,9 +309,6 @@ gtk_insert_text_callback(GtkEditable *editable,
                          gint *position,
                          wxTextCtrl *win)
 {
                          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);
 
     // we should only be called if we have a max len limit at all
     GtkEntry *entry = GTK_ENTRY (editable);
 


@@ -421,7 +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);
 
     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;
 
     size_t len = strlen(text), prefix_len;
     size_t n;
 


@@ -546,9 +555,6 @@ gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
 
     if (!win->m_hasVMT) return;
 
 
     if (!win->m_hasVMT) return;
 

-    if (g_isIdle)
-        wxapp_install_idle_handler();
-

     if ( win->MarkDirtyOnChange() )
         win->MarkDirty();
 
     if ( win->MarkDirtyOnChange() )
         win->MarkDirty();
 


@@ -653,7 +659,8 @@ void wxTextCtrl::Init()
     SetUpdateFont(false);
 
     m_text = NULL;
     SetUpdateFont(false);
 
     m_text = NULL;

-    m_frozenness = 0;
+    m_freezeCount = 0;
+    m_showPositionOnThaw = NULL;

     m_gdkHandCursor = NULL;
     m_gdkXTermCursor = NULL;
 }
     m_gdkHandCursor = NULL;
     m_gdkXTermCursor = NULL;
 }


@@ -689,9 +696,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
                          const wxValidator& validator,
                          const wxString &name )
 {
                          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 ))
     {
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {


@@ -708,38 +712,25 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
         m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
 
 
         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 ),
         // 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 );
 
         // 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();

 
         GtkScrolledWindowSetBorder(m_widget, style);
 
 
         GtkScrolledWindowSetBorder(m_widget, style);
 


@@ -768,54 +759,36 @@ bool wxTextCtrl::Create( wxWindow *parent,
         gtk_widget_show(m_text);
     }
 
         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())
     {
         SetValue( value );
     }
 
     if (style & wxTE_PASSWORD)
     if (!value.empty())
     {
         SetValue( value );
     }
 
     if (style & wxTE_PASSWORD)

-    {
-        if (!multi_line)
-            gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
-    }
+        GTKSetVisibility();

 
     if (style & wxTE_READONLY)
 
     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)
     {
     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;
         if (style & wxTE_AUTO_URL)
         {
             GtkTextIter start, end;


@@ -851,12 +824,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
             au_check_range(&start, &end);
         }
     }
             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_signal_connect (m_text, "copy-clipboard",
                       G_CALLBACK (gtk_copy_clipboard_callback), this);
     g_signal_connect (m_text, "cut-clipboard",


@@ -866,17 +834,119 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 

-    wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
-    SetDefaultStyle( attrDef );
-

     return true;
 }
 
     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::CalculateScrollbar()
+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;
+
+        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 wxTextCtrl::GetValue() const
 {
     wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );


@@ -890,16 +960,12 @@ wxString wxTextCtrl::GetValue() const
         gtk_text_buffer_get_end_iter( m_buffer, &end );
         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 
         gtk_text_buffer_get_end_iter( m_buffer, &end );
         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 

-        const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
-        if ( buf )
-            tmp = buf;
+        return wxGTK_CONV_BACK(text);

     }
     else
     {
         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
     }
     else
     {
         const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );

-        const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
-        if ( buf )
-            tmp = buf;
+        return wxGTK_CONV_BACK(text);

     }
 
     return tmp;
     }
 
     return tmp;


@@ -926,7 +992,7 @@ wxFontEncoding wxTextCtrl::GetTextEncoding() const
 bool wxTextCtrl::IsEmpty() const
 {
     if ( IsMultiLine() )
 bool wxTextCtrl::IsEmpty() const
 {
     if ( IsMultiLine() )

-        return gtk_text_buffer_get_char_count(m_buffer) != 0;
+        return gtk_text_buffer_get_char_count(m_buffer) == 0;

 
     return wxTextCtrlBase::IsEmpty();
 }
 
     return wxTextCtrlBase::IsEmpty();
 }


@@ -935,14 +1001,15 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 

-    // the control won't be modified any more as we programmatically replace
-    // all the existing text, so reset the flag and don't set it again (and do
-    // it now, before the text event handler is ran so that IsModified() called
-    // from there returns the expected value)

     m_modified = false;
     m_modified = false;

-    DontMarkDirtyOnNextChange();

 
 

-    const wxCharBuffer buffer(wxGTK_CONV_ENC(value, GetTextEncoding()));
+    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 )
     {
         // see comment in WriteText() as to why we must warn the user about
     if ( !buffer )
     {
         // see comment in WriteText() as to why we must warn the user about


@@ -951,27 +1018,29 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags )
         return;
     }
 
         return;
     }
 

-    // if the control is not empty, two "changed" signals are emitted,
-    // otherwise only one and we need to ignore either both or one of them
-    int ignore = flags & SetValue_SendEvent ? 0 : 1;
-    if ( !IsEmpty() )
-        ignore++;
-
-    if ( ignore )
-        IgnoreNextTextUpdate(ignore);
-
+    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 ( IsMultiLine() )
     {
         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );

+                    
+        if ( !m_defaultStyle.IsDefault() )
+        {
+            GtkTextIter start, end;
+            gtk_text_buffer_get_bounds( m_buffer, &start, &end );
+            wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
+                                       &start, &end);
+        }

     }
     }

-    else // single line
+    else

     {
         gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
     }
     {
         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);
 }
 
     SetInsertionPoint(0);
 }
 


@@ -1020,7 +1089,8 @@ void wxTextCtrl::WriteText( const wxString &text )
 
         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
 
         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 );
         {
             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 );


@@ -1054,8 +1124,12 @@ wxString wxTextCtrl::GetLineText( long lineNo ) const
     {
         GtkTextIter line;
         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
     {
         GtkTextIter line;
         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);

+

         GtkTextIter end = line;
         GtkTextIter end = line;

-        gtk_text_iter_forward_to_line_end(&end);
+        // 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);
     }
         wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
         result = wxGTK_CONV_BACK(text);
     }


@@ -1149,31 +1223,7 @@ int wxTextCtrl::GetNumberOfLines() const
 {
     if ( IsMultiLine() )
     {
 {
     if ( IsMultiLine() )
     {

-        GtkTextIter iter;
-        gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, 0 );
-
-        // move forward by one display line until the end is reached
-        int lineCount = 1;
-        while ( gtk_text_view_forward_display_line(GTK_TEXT_VIEW(m_text), &iter) )
-        {
-            lineCount++;
-        }
-
-        // If the last character in the text buffer is a newline,
-        // gtk_text_view_forward_display_line() will return false without that
-        // line being counted. Must add one manually in that case.
-        GtkTextIter lastCharIter;
-        gtk_text_buffer_get_iter_at_offset
-        (
-            m_buffer,
-            &lastCharIter,
-            gtk_text_buffer_get_char_count(m_buffer) - 1
-        );
-        gchar lastChar = gtk_text_iter_get_char( &lastCharIter );
-        if ( lastChar == wxT('\n') )
-            lineCount++;
-
-        return lineCount;
+        return gtk_text_buffer_get_line_count( m_buffer );

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


@@ -1190,11 +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 );
         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
     {
     }
     else
     {


@@ -1205,18 +1256,7 @@ void wxTextCtrl::SetInsertionPoint( long pos )
 
 void wxTextCtrl::SetInsertionPointEnd()
 {
 
 void wxTextCtrl::SetInsertionPointEnd()
 {

-    wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
-
-    if ( IsMultiLine() )
-    {
-        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 )
 }
 
 void wxTextCtrl::SetEditable( bool editable )


@@ -1241,22 +1281,15 @@ bool wxTextCtrl::Enable( bool enable )
         return false;
     }
 
         return false;
     }
 

-    if ( IsMultiLine() )
-    {
-        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,
 
     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
 // 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
 {
     // 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


@@ -1366,13 +1399,17 @@ void wxTextCtrl::SetSelection( long from, long to )
 
 void wxTextCtrl::ShowPosition( long pos )
 {
 
 void wxTextCtrl::ShowPosition( long pos )
 {

-    if ( IsMultiLine() )
+    if (IsMultiLine())

     {
         GtkTextIter iter;
     {
         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);

     }
 }
 
     }
 }
 


@@ -1750,18 +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 );
 
         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_widget, m_buffer, attr, &starti, &endi );
+        wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );

 
         return true;
     }
 
         return true;
     }

+    //else: single line text controls don't support styles

 
 

-    // else single line
-    // cannot do this for GTK+'s Entry widget

     return false;
 }
 
     return false;
 }
 


@@ -1835,9 +1866,11 @@ wxSize wxTextCtrl::DoGetBestSize() const
 
 void wxTextCtrl::Freeze()
 {
 
 void wxTextCtrl::Freeze()
 {

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

     if ( HasFlag(wxTE_MULTILINE) )
     {
     if ( HasFlag(wxTE_MULTILINE) )
     {

-        if ( !m_frozenness++ )
+        if (m_freezeCount++ == 0)

         {
             // freeze textview updates and remove buffer
             g_signal_connect (m_text, "expose_event",
         {
             // freeze textview updates and remove buffer
             g_signal_connect (m_text, "expose_event",


@@ -1846,7 +1879,17 @@ void wxTextCtrl::Freeze()
                               G_CALLBACK (gtk_text_exposed_callback), this);
             gtk_widget_set_sensitive(m_widget, false);
             g_object_ref(m_buffer);
                               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);

         }
     }
 }
         }
     }
 }


@@ -1855,9 +1898,9 @@ void wxTextCtrl::Thaw()
 {
     if ( HasFlag(wxTE_MULTILINE) )
     {
 {
     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);
         {
             // Reattach buffer and thaw textview updates
             gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);


@@ -1867,6 +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);
                     (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;
+            }

         }
     }
 }
         }
     }
 }


@@ -1942,3 +1991,5 @@ wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
 }
 {
     return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
 }

+
+#endif // wxUSE_TEXTCTRL