Keep the proxy text view from doing anything

Add GimpTextProxy, a GtkTextView subclass which does nothing but
overriding the binding methods with empty implementations, so the text
view has no chance of letting e.g. the display beep or doing anything
else.

app/tools/Makefile.am

@@ -168,6 +168,8 @@ libapptools_a_sources = \
 	gimpsourcetool.h		\
 	gimptextoptions.c		\
 	gimptextoptions.h		\
+	gimptextproxy.c			\
+	gimptextproxy.h			\
 	gimptexttool.c			\
 	gimptexttool.h			\
 	gimpthresholdtool.c		\

app/tools/gimptextproxy.c

@@ -0,0 +1,113 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpTextProxy
+ * Copyright (C) 2009  Michael Natterer <mitch@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+
+#include "gimptextproxy.h"
+
+
+static void   gimp_text_proxy_move_cursor        (GtkTextView     *text_view,
+                                                  GtkMovementStep  step,
+                                                  gint             count,
+                                                  gboolean         extend_selection);
+static void   gimp_text_proxy_delete_from_cursor (GtkTextView     *text_view,
+                                                  GtkDeleteType    type,
+                                                  gint             count);
+static void   gimp_text_proxy_backspace          (GtkTextView     *text_view);
+static void   gimp_text_proxy_cut_clipboard      (GtkTextView     *text_view);
+static void   gimp_text_proxy_copy_clipboard     (GtkTextView     *text_view);
+static void   gimp_text_proxy_paste_clipboard    (GtkTextView     *text_view);
+
+
+G_DEFINE_TYPE (GimpTextProxy, gimp_text_proxy, GTK_TYPE_TEXT_VIEW)
+
+
+static void
+gimp_text_proxy_class_init (GimpTextProxyClass *klass)
+{
+  GtkTextViewClass *tv_class = GTK_TEXT_VIEW_CLASS (klass);
+
+  tv_class->move_cursor        = gimp_text_proxy_move_cursor;
+  tv_class->delete_from_cursor = gimp_text_proxy_delete_from_cursor;
+  tv_class->backspace          = gimp_text_proxy_backspace;
+  tv_class->cut_clipboard      = gimp_text_proxy_cut_clipboard;
+  tv_class->copy_clipboard     = gimp_text_proxy_copy_clipboard;
+  tv_class->paste_clipboard    = gimp_text_proxy_paste_clipboard;
+}
+
+static void
+gimp_text_proxy_init (GimpTextProxy *text_proxy)
+{
+}
+
+static void
+gimp_text_proxy_move_cursor (GtkTextView     *text_view,
+                             GtkMovementStep  step,
+                             gint             count,
+                             gboolean         extend_selection)
+{
+}
+
+static void
+gimp_text_proxy_delete_from_cursor (GtkTextView   *text_view,
+                                    GtkDeleteType  type,
+                                    gint           count)
+{
+}
+
+static void
+gimp_text_proxy_backspace (GtkTextView *text_view)
+{
+}
+
+static void
+gimp_text_proxy_cut_clipboard (GtkTextView *text_view)
+{
+}
+
+static void
+gimp_text_proxy_copy_clipboard (GtkTextView *text_view)
+{
+}
+
+static void
+gimp_text_proxy_paste_clipboard (GtkTextView *text_view)
+{
+}
+
+
+/*  public functions  */
+
+GtkWidget *
+gimp_text_proxy_new (void)
+{
+  GtkTextBuffer *buffer = gtk_text_buffer_new (NULL);
+  GtkWidget     *proxy;
+
+  proxy = g_object_new (GIMP_TYPE_TEXT_PROXY,
+                        "buffer", buffer,
+                        NULL);
+
+  g_object_unref (buffer);
+
+  return proxy;
+}

app/tools/gimptextproxy.h

@@ -0,0 +1,48 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_TEXT_PROXY_H__
+#define __GIMP_TEXT_PROXY_H__
+
+
+#define GIMP_TYPE_TEXT_PROXY            (gimp_text_proxy_get_type ())
+#define GIMP_TEXT_PROXY(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_TEXT_PROXY, GimpTextProxy))
+#define GIMP_IS_TEXT_PROXY(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_TEXT_PROXY))
+#define GIMP_TEXT_PROXY_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_TEXT_PROXY, GimpTextProxyClass))
+#define GIMP_IS_TEXT_PROXY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_TEXT_PROXY))
+
+
+typedef struct _GimpTextProxy       GimpTextProxy;
+typedef struct _GimpTextProxyClass  GimpTextProxyClass;
+
+struct _GimpTextProxy
+{
+  GtkTextView  parent_instance;
+};
+
+struct _GimpTextProxyClass
+{
+  GtkTextViewClass  parent_class;
+};
+
+
+GType       gimp_text_proxy_get_type (void) G_GNUC_CONST;
+
+GtkWidget * gimp_text_proxy_new      (void);
+
+
+#endif /* __GIMP_TEXT_PROXY_H__ */

app/tools/gimptexttool.c

@@ -61,6 +61,7 @@
 #include "gimprectangletool.h"
 #include "gimprectangleoptions.h"
 #include "gimptextoptions.h"
+#include "gimptextproxy.h"
 #include "gimptexttool.h"
 #include "gimptoolcontrol.h"
 
@@ -1364,18 +1365,13 @@ gimp_text_tool_ensure_proxy (GimpTextTool *text_tool)
     }
   else if (! text_tool->offscreen_window)
     {
-      GtkTextBuffer *buffer;
-
       text_tool->offscreen_window = gtk_window_new (GTK_WINDOW_POPUP);
       gtk_window_set_screen (GTK_WINDOW (text_tool->offscreen_window),
                              gtk_widget_get_screen (tool->display->shell));
       gtk_window_move (GTK_WINDOW (text_tool->offscreen_window), -200, -200);
       gtk_widget_show (text_tool->offscreen_window);
 
-      buffer = gtk_text_buffer_new (NULL);
+      text_tool->proxy_text_view = gimp_text_proxy_new ();
-      text_tool->proxy_text_view = gtk_text_view_new_with_buffer (buffer);
-      g_object_unref  (buffer);
-
       gtk_container_add (GTK_CONTAINER (text_tool->offscreen_window),
                          text_tool->proxy_text_view);
       gtk_widget_show (text_tool->proxy_text_view);