Blame gtk/gtkoldeditable.c

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/* GTK - The GIMP Toolkit
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 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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/*
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 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
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 * file for a list of people on the GTK+ Team.  See the ChangeLog
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 * files for a list of changes.  These files are distributed with
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 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
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 */
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#undef GTK_DISABLE_DEPRECATED
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#include "config.h"
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#include <string.h>
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#include "gdk/gdkkeysyms.h"
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#include "gdk/gdki18n.h"
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#include "gtkclipboard.h"
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#include "gtkoldeditable.h"
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#include "gtkmain.h"
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#include "gtkmarshalers.h"
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#include "gtkselection.h"
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#include "gtksignal.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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#define MIN_EDITABLE_WIDTH  150
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#define DRAW_TIMEOUT     20
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#define INNER_BORDER     2
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enum {
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  /* Binding actions */
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  ACTIVATE,
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  SET_EDITABLE,
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  MOVE_CURSOR,
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  MOVE_WORD,
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  MOVE_PAGE,
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  MOVE_TO_ROW,
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  MOVE_TO_COLUMN,
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  KILL_CHAR,
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  KILL_WORD,
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  KILL_LINE,
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  CUT_CLIPBOARD,
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  COPY_CLIPBOARD,
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  PASTE_CLIPBOARD,
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  LAST_SIGNAL
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};
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enum {
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  ARG_0,
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  ARG_TEXT_POSITION,
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  ARG_EDITABLE
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};
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/* values for selection info */
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enum {
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  TARGET_STRING,
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  TARGET_TEXT,
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  TARGET_COMPOUND_TEXT
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};
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static void  gtk_old_editable_editable_init        (GtkEditableClass    *iface);
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static void  gtk_old_editable_set_arg              (GtkObject           *object,
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						    GtkArg              *arg,
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						    guint                arg_id);
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static void  gtk_old_editable_get_arg              (GtkObject           *object,
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						    GtkArg              *arg,
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						    guint                arg_id);
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static void *gtk_old_editable_get_public_chars     (GtkOldEditable      *old_editable,
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						    gint                 start,
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						    gint                 end);
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static gint gtk_old_editable_selection_clear    (GtkWidget         *widget,
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						 GdkEventSelection *event);
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static void gtk_old_editable_selection_get      (GtkWidget         *widget,
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						 GtkSelectionData  *selection_data,
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						 guint              info,
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						 guint              time);
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static void gtk_old_editable_selection_received (GtkWidget         *widget,
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						 GtkSelectionData  *selection_data,
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						 guint              time);
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static void  gtk_old_editable_set_selection        (GtkOldEditable      *old_editable,
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						    gint                 start,
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						    gint                 end);
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static void gtk_old_editable_real_set_editable    (GtkOldEditable *old_editable,
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						   gboolean        is_editable);
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static void gtk_old_editable_real_cut_clipboard   (GtkOldEditable *old_editable);
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static void gtk_old_editable_real_copy_clipboard  (GtkOldEditable *old_editable);
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static void gtk_old_editable_real_paste_clipboard (GtkOldEditable *old_editable);
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static void     gtk_old_editable_insert_text         (GtkEditable *editable,
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						      const gchar *new_text,
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						      gint         new_text_length,
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						      gint        *position);
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static void     gtk_old_editable_delete_text         (GtkEditable *editable,
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						      gint         start_pos,
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						      gint         end_pos);
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static gchar *  gtk_old_editable_get_chars           (GtkEditable *editable,
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						      gint         start,
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						      gint         end);
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static void     gtk_old_editable_set_selection_bounds (GtkEditable *editable,
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						       gint         start,
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						       gint         end);
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static gboolean gtk_old_editable_get_selection_bounds (GtkEditable *editable,
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						       gint        *start,
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						       gint        *end);
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static void     gtk_old_editable_set_position        (GtkEditable *editable,
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						      gint         position);
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static gint     gtk_old_editable_get_position        (GtkEditable *editable);
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static void     gtk_old_editable_finalize            (GObject     *object);
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static guint editable_signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkOldEditable, gtk_old_editable, GTK_TYPE_WIDGET,
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				  G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE,
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							 gtk_old_editable_editable_init))
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static void
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gtk_old_editable_class_init (GtkOldEditableClass *class)
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{
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  GObjectClass *gobject_class;
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  GtkObjectClass *object_class;
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  GtkWidgetClass *widget_class;
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  gobject_class = (GObjectClass*) class;
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  object_class = (GtkObjectClass*) class;
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  widget_class = (GtkWidgetClass*) class;
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  gobject_class->finalize = gtk_old_editable_finalize;
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  object_class->set_arg = gtk_old_editable_set_arg;
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  object_class->get_arg = gtk_old_editable_get_arg;
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  widget_class->selection_clear_event = gtk_old_editable_selection_clear;
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  widget_class->selection_received = gtk_old_editable_selection_received;
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  widget_class->selection_get = gtk_old_editable_selection_get;
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  class->activate = NULL;
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  class->set_editable = gtk_old_editable_real_set_editable;
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  class->move_cursor = NULL;
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  class->move_word = NULL;
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  class->move_page = NULL;
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  class->move_to_row = NULL;
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  class->move_to_column = NULL;
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  class->kill_char = NULL;
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  class->kill_word = NULL;
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  class->kill_line = NULL;
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  class->cut_clipboard = gtk_old_editable_real_cut_clipboard;
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  class->copy_clipboard = gtk_old_editable_real_copy_clipboard;
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  class->paste_clipboard = gtk_old_editable_real_paste_clipboard;
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  class->update_text = NULL;
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  class->get_chars = NULL;
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  class->set_selection = NULL;
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  class->set_position = NULL;
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  editable_signals[ACTIVATE] =
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    gtk_signal_new (I_("activate"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, activate),
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		    _gtk_marshal_VOID__VOID,
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		    GTK_TYPE_NONE, 0);
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  widget_class->activate_signal = editable_signals[ACTIVATE];
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  editable_signals[SET_EDITABLE] =
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    gtk_signal_new (I_("set-editable"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, set_editable),
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		    _gtk_marshal_VOID__BOOLEAN,
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		    GTK_TYPE_NONE, 1,
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		    GTK_TYPE_BOOL);
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  editable_signals[MOVE_CURSOR] =
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    gtk_signal_new (I_("move-cursor"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_cursor),
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		    _gtk_marshal_VOID__INT_INT,
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		    GTK_TYPE_NONE, 2, 
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		    GTK_TYPE_INT, 
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		    GTK_TYPE_INT);
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  editable_signals[MOVE_WORD] =
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    gtk_signal_new (I_("move-word"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_word),
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		    _gtk_marshal_VOID__INT,
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		    GTK_TYPE_NONE, 1, 
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		    GTK_TYPE_INT);
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  editable_signals[MOVE_PAGE] =
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    gtk_signal_new (I_("move-page"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_page),
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		    _gtk_marshal_VOID__INT_INT,
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		    GTK_TYPE_NONE, 2, 
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		    GTK_TYPE_INT, 
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		    GTK_TYPE_INT);
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  editable_signals[MOVE_TO_ROW] =
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    gtk_signal_new (I_("move-to-row"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_to_row),
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		    _gtk_marshal_VOID__INT,
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		    GTK_TYPE_NONE, 1, 
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		    GTK_TYPE_INT);
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  editable_signals[MOVE_TO_COLUMN] =
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    gtk_signal_new (I_("move-to-column"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, move_to_column),
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		    _gtk_marshal_VOID__INT,
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		    GTK_TYPE_NONE, 1, 
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		    GTK_TYPE_INT);
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  editable_signals[KILL_CHAR] =
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    gtk_signal_new (I_("kill-char"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, kill_char),
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		    _gtk_marshal_VOID__INT,
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		    GTK_TYPE_NONE, 1, 
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		    GTK_TYPE_INT);
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  editable_signals[KILL_WORD] =
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    gtk_signal_new (I_("kill-word"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, kill_word),
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		    _gtk_marshal_VOID__INT,
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		    GTK_TYPE_NONE, 1, 
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		    GTK_TYPE_INT);
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  editable_signals[KILL_LINE] =
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    gtk_signal_new (I_("kill-line"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, kill_line),
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		    _gtk_marshal_VOID__INT,
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		    GTK_TYPE_NONE, 1, 
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		    GTK_TYPE_INT);
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  editable_signals[CUT_CLIPBOARD] =
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    gtk_signal_new (I_("cut-clipboard"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, cut_clipboard),
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		    _gtk_marshal_VOID__VOID,
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		    GTK_TYPE_NONE, 0);
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  editable_signals[COPY_CLIPBOARD] =
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    gtk_signal_new (I_("copy-clipboard"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, copy_clipboard),
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		    _gtk_marshal_VOID__VOID,
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		    GTK_TYPE_NONE, 0);
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  editable_signals[PASTE_CLIPBOARD] =
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    gtk_signal_new (I_("paste-clipboard"),
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		    GTK_RUN_LAST | GTK_RUN_ACTION,
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		    GTK_CLASS_TYPE (object_class),
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		    GTK_SIGNAL_OFFSET (GtkOldEditableClass, paste_clipboard),
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		    _gtk_marshal_VOID__VOID,
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		    GTK_TYPE_NONE, 0);
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  gtk_object_add_arg_type ("GtkOldEditable::text-position", GTK_TYPE_INT, GTK_ARG_READWRITE | G_PARAM_STATIC_NAME, ARG_TEXT_POSITION);
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  gtk_object_add_arg_type ("GtkOldEditable::editable", GTK_TYPE_BOOL, GTK_ARG_READWRITE | G_PARAM_STATIC_NAME, ARG_EDITABLE);
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}
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static void
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gtk_old_editable_editable_init (GtkEditableClass *iface)
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{
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  iface->do_insert_text = gtk_old_editable_insert_text;
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  iface->do_delete_text = gtk_old_editable_delete_text;
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  iface->get_chars = gtk_old_editable_get_chars;
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  iface->set_selection_bounds = gtk_old_editable_set_selection_bounds;
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  iface->get_selection_bounds = gtk_old_editable_get_selection_bounds;
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  iface->set_position = gtk_old_editable_set_position;
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  iface->get_position = gtk_old_editable_get_position;
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}
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static void
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gtk_old_editable_set_arg (GtkObject *object,
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			  GtkArg    *arg,
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			  guint      arg_id)
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{
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  GtkEditable *editable = GTK_EDITABLE (object);
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  switch (arg_id)
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    {
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    case ARG_TEXT_POSITION:
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      gtk_editable_set_position (editable, GTK_VALUE_INT (*arg));
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      break;
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    case ARG_EDITABLE:
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      gtk_signal_emit (object, editable_signals[SET_EDITABLE],
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		       GTK_VALUE_BOOL (*arg) != FALSE);
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      break;
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    default:
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      break;
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    }
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}
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static void
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gtk_old_editable_get_arg (GtkObject *object,
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			  GtkArg    *arg,
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			  guint      arg_id)
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{
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  GtkOldEditable *old_editable;
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  old_editable = GTK_OLD_EDITABLE (object);
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  switch (arg_id)
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    {
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    case ARG_TEXT_POSITION:
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      GTK_VALUE_INT (*arg) = old_editable->current_pos;
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      break;
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    case ARG_EDITABLE:
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      GTK_VALUE_BOOL (*arg) = old_editable->editable;
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      break;
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    default:
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      arg->type = GTK_TYPE_INVALID;
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      break;
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    }
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}
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static void
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gtk_old_editable_init (GtkOldEditable *old_editable)
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{
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  static const GtkTargetEntry targets[] = {
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    { "UTF8_STRING", 0, 0 },
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    { "STRING", 0, 0 },
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    { "TEXT",   0, 0 }, 
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    { "COMPOUND_TEXT", 0, 0 }
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  };
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  gtk_widget_set_can_focus (GTK_WIDGET (old_editable), TRUE);
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  old_editable->selection_start_pos = 0;
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  old_editable->selection_end_pos = 0;
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  old_editable->has_selection = FALSE;
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  old_editable->editable = 1;
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  old_editable->visible = 1;
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  old_editable->clipboard_text = NULL;
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  gtk_selection_add_targets (GTK_WIDGET (old_editable), GDK_SELECTION_PRIMARY,
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			     targets, G_N_ELEMENTS (targets));
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}
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static void
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gtk_old_editable_finalize (GObject *object)
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{
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  gtk_selection_clear_targets (GTK_WIDGET (object), GDK_SELECTION_PRIMARY);
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  G_OBJECT_CLASS (gtk_old_editable_parent_class)->finalize (object);
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}
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static void
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gtk_old_editable_insert_text (GtkEditable *editable,
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			      const gchar *new_text,
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			      gint         new_text_length,
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			      gint        *position)
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{
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  gchar buf[64];
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  gchar *text;
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  g_object_ref (editable);
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  if (new_text_length <= 63)
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    text = buf;
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  else
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    text = g_new (gchar, new_text_length + 1);
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  text[new_text_length] = '\0';
Packit 98cdb6
  strncpy (text, new_text, new_text_length);
Packit 98cdb6
  
Packit 98cdb6
  g_signal_emit_by_name (editable, "insert-text", text, new_text_length,
Packit 98cdb6
			 position);
Packit 98cdb6
  g_signal_emit_by_name (editable, "changed");
Packit 98cdb6
  
Packit 98cdb6
  if (new_text_length > 63)
Packit 98cdb6
    g_free (text);
Packit 98cdb6
Packit 98cdb6
  g_object_unref (editable);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_delete_text (GtkEditable *editable,
Packit 98cdb6
			      gint         start_pos,
Packit 98cdb6
			      gint         end_pos)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditable *old_editable = GTK_OLD_EDITABLE (editable);
Packit 98cdb6
Packit 98cdb6
  g_object_ref (old_editable);
Packit 98cdb6
Packit 98cdb6
  g_signal_emit_by_name (editable, "delete-text", start_pos, end_pos);
Packit 98cdb6
  g_signal_emit_by_name (editable, "changed");
Packit 98cdb6
Packit 98cdb6
  if (old_editable->selection_start_pos == old_editable->selection_end_pos &&
Packit 98cdb6
      old_editable->has_selection)
Packit 98cdb6
    gtk_old_editable_claim_selection (old_editable, FALSE, GDK_CURRENT_TIME);
Packit 98cdb6
  
Packit 98cdb6
  g_object_unref (old_editable);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_update_text (GtkOldEditable *old_editable,
Packit 98cdb6
			      gint            start_pos,
Packit 98cdb6
			      gint            end_pos)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditableClass *klass = GTK_OLD_EDITABLE_GET_CLASS (old_editable);
Packit 98cdb6
  klass->update_text (GTK_OLD_EDITABLE (old_editable), start_pos, end_pos);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static gchar *    
Packit 98cdb6
gtk_old_editable_get_chars  (GtkEditable      *editable,
Packit 98cdb6
			     gint              start,
Packit 98cdb6
			     gint              end)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditableClass *klass = GTK_OLD_EDITABLE_GET_CLASS (editable);
Packit 98cdb6
  return klass->get_chars (GTK_OLD_EDITABLE (editable), start, end);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
/*
Packit 98cdb6
 * Like gtk_editable_get_chars, but if the editable is not
Packit 98cdb6
 * visible, return asterisks; also convert result to UTF-8.
Packit 98cdb6
 */
Packit 98cdb6
static void *    
Packit 98cdb6
gtk_old_editable_get_public_chars (GtkOldEditable   *old_editable,
Packit 98cdb6
				   gint              start,
Packit 98cdb6
				   gint              end)
Packit 98cdb6
{
Packit 98cdb6
  gchar *str = NULL;
Packit 98cdb6
  const gchar *charset;
Packit 98cdb6
  gboolean need_conversion = !g_get_charset (&charset);
Packit 98cdb6
Packit 98cdb6
  if (old_editable->visible)
Packit 98cdb6
    {
Packit 98cdb6
      GError *error = NULL;
Packit 98cdb6
      gchar *tmp = gtk_editable_get_chars (GTK_EDITABLE (old_editable), start, end);
Packit 98cdb6
Packit 98cdb6
      if (need_conversion)
Packit 98cdb6
	{
Packit 98cdb6
	  str = g_convert (tmp, -1,
Packit 98cdb6
			   "UTF-8", charset,
Packit 98cdb6
			   NULL, NULL, &error);
Packit 98cdb6
	  
Packit 98cdb6
	  if (!str)
Packit 98cdb6
	    {
Packit 98cdb6
	      g_warning ("Cannot convert text from charset to UTF-8 %s: %s", charset, error->message);
Packit 98cdb6
	      g_error_free (error);
Packit 98cdb6
	    }
Packit 98cdb6
Packit 98cdb6
	  g_free (tmp);
Packit 98cdb6
	}
Packit 98cdb6
      else
Packit 98cdb6
	str = tmp;
Packit 98cdb6
    }
Packit 98cdb6
  else
Packit 98cdb6
    {
Packit 98cdb6
      gint i;
Packit 98cdb6
      gint nchars = end - start;
Packit 98cdb6
       
Packit 98cdb6
      if (nchars < 0)
Packit 98cdb6
	nchars = -nchars;
Packit 98cdb6
Packit 98cdb6
      str = g_new (gchar, nchars + 1);
Packit 98cdb6
      for (i = 0; i
Packit 98cdb6
	str[i] = '*';
Packit 98cdb6
      str[i] = '\0';
Packit 98cdb6
    }
Packit 98cdb6
Packit 98cdb6
  return str;
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_set_selection (GtkOldEditable *old_editable,
Packit 98cdb6
				gint            start_pos,
Packit 98cdb6
				gint            end_pos)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditableClass *klass = GTK_OLD_EDITABLE_GET_CLASS (old_editable);
Packit 98cdb6
  klass->set_selection (old_editable, start_pos, end_pos);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_set_position (GtkEditable *editable,
Packit 98cdb6
			       gint            position)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditableClass *klass = GTK_OLD_EDITABLE_GET_CLASS (editable);
Packit 98cdb6
Packit 98cdb6
  klass->set_position (GTK_OLD_EDITABLE (editable), position);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static gint
Packit 98cdb6
gtk_old_editable_get_position (GtkEditable *editable)
Packit 98cdb6
{
Packit 98cdb6
  return GTK_OLD_EDITABLE (editable)->current_pos;
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static gint
Packit 98cdb6
gtk_old_editable_selection_clear (GtkWidget         *widget,
Packit 98cdb6
				  GdkEventSelection *event)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditable *old_editable = GTK_OLD_EDITABLE (widget);
Packit 98cdb6
  
Packit 98cdb6
  /* Let the selection handling code know that the selection
Packit 98cdb6
   * has been changed, since we've overriden the default handler */
Packit 98cdb6
  if (!GTK_WIDGET_CLASS (gtk_old_editable_parent_class)->selection_clear_event (widget, event))
Packit 98cdb6
    return FALSE;
Packit 98cdb6
  
Packit 98cdb6
  if (old_editable->has_selection)
Packit 98cdb6
    {
Packit 98cdb6
      old_editable->has_selection = FALSE;
Packit 98cdb6
      gtk_old_editable_update_text (old_editable, old_editable->selection_start_pos,
Packit 98cdb6
				    old_editable->selection_end_pos);
Packit 98cdb6
    }
Packit 98cdb6
  
Packit 98cdb6
  return TRUE;
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_selection_get (GtkWidget        *widget,
Packit 98cdb6
				GtkSelectionData *selection_data,
Packit 98cdb6
				guint             info,
Packit 98cdb6
				guint             time)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditable *old_editable = GTK_OLD_EDITABLE (widget);
Packit 98cdb6
  gint selection_start_pos;
Packit 98cdb6
  gint selection_end_pos;
Packit 98cdb6
Packit 98cdb6
  gchar *str;
Packit 98cdb6
Packit 98cdb6
  selection_start_pos = MIN (old_editable->selection_start_pos, old_editable->selection_end_pos);
Packit 98cdb6
  selection_end_pos = MAX (old_editable->selection_start_pos, old_editable->selection_end_pos);
Packit 98cdb6
Packit 98cdb6
  str = gtk_old_editable_get_public_chars (old_editable, 
Packit 98cdb6
					   selection_start_pos, 
Packit 98cdb6
					   selection_end_pos);
Packit 98cdb6
Packit 98cdb6
  if (str)
Packit 98cdb6
    {
Packit 98cdb6
      gtk_selection_data_set_text (selection_data, str, -1);
Packit 98cdb6
      g_free (str);
Packit 98cdb6
    }
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_paste_received (GtkOldEditable *old_editable,
Packit 98cdb6
				 const gchar    *text,
Packit 98cdb6
				 gboolean        is_clipboard)
Packit 98cdb6
{
Packit 98cdb6
  const gchar *str = NULL;
Packit 98cdb6
  const gchar *charset;
Packit 98cdb6
  gboolean need_conversion = FALSE;
Packit 98cdb6
Packit 98cdb6
  if (text)
Packit 98cdb6
    {
Packit 98cdb6
      GError *error = NULL;
Packit 98cdb6
      
Packit 98cdb6
      need_conversion = !g_get_charset (&charset);
Packit 98cdb6
Packit 98cdb6
      if (need_conversion)
Packit 98cdb6
	{
Packit 98cdb6
	  str = g_convert_with_fallback (text, -1,
Packit 98cdb6
					 charset, "UTF-8", NULL,
Packit 98cdb6
					 NULL, NULL, &error);
Packit 98cdb6
	  if (!str)
Packit 98cdb6
	    {
Packit 98cdb6
	      g_warning ("Cannot convert text from UTF-8 to %s: %s",
Packit 98cdb6
			 charset, error->message);
Packit 98cdb6
	      g_error_free (error);
Packit 98cdb6
	      return;
Packit 98cdb6
	    }
Packit 98cdb6
	}
Packit 98cdb6
      else
Packit 98cdb6
	str = text;
Packit 98cdb6
    }
Packit 98cdb6
Packit 98cdb6
  if (str)
Packit 98cdb6
    {
Packit 98cdb6
      gboolean reselect;
Packit 98cdb6
      gint old_pos;
Packit 98cdb6
      gint tmp_pos;
Packit 98cdb6
  
Packit 98cdb6
      reselect = FALSE;
Packit 98cdb6
Packit 98cdb6
      if ((old_editable->selection_start_pos != old_editable->selection_end_pos) && 
Packit 98cdb6
	  (!old_editable->has_selection || is_clipboard))
Packit 98cdb6
	{
Packit 98cdb6
	  reselect = TRUE;
Packit 98cdb6
	  
Packit 98cdb6
	  /* Don't want to call gtk_editable_delete_selection here if we are going
Packit 98cdb6
	   * to reclaim the selection to avoid extra server traffic */
Packit 98cdb6
	  if (old_editable->has_selection)
Packit 98cdb6
	    {
Packit 98cdb6
	      gtk_editable_delete_text (GTK_EDITABLE (old_editable),
Packit 98cdb6
					MIN (old_editable->selection_start_pos, old_editable->selection_end_pos),
Packit 98cdb6
					MAX (old_editable->selection_start_pos, old_editable->selection_end_pos));
Packit 98cdb6
	    }
Packit 98cdb6
	  else
Packit 98cdb6
	    gtk_editable_delete_selection (GTK_EDITABLE (old_editable));
Packit 98cdb6
	}
Packit 98cdb6
      
Packit 98cdb6
      tmp_pos = old_pos = old_editable->current_pos;
Packit 98cdb6
      
Packit 98cdb6
      gtk_editable_insert_text (GTK_EDITABLE (old_editable), str, -1, &tmp_pos);
Packit 98cdb6
Packit 98cdb6
      if (reselect)
Packit 98cdb6
	gtk_old_editable_set_selection (old_editable, old_pos, old_editable->current_pos);
Packit 98cdb6
Packit 98cdb6
      if (str && str != text)
Packit 98cdb6
	g_free ((gchar *) str);
Packit 98cdb6
    }
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_selection_received  (GtkWidget         *widget,
Packit 98cdb6
				      GtkSelectionData  *selection_data,
Packit 98cdb6
				      guint              time)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditable *old_editable = GTK_OLD_EDITABLE (widget);
Packit 98cdb6
Packit 98cdb6
  guchar *text = gtk_selection_data_get_text (selection_data);
Packit 98cdb6
Packit 98cdb6
  if (!text)
Packit 98cdb6
    {
Packit 98cdb6
      /* If we asked for UTF8 and didn't get it, try text; if we asked
Packit 98cdb6
       * for text and didn't get it, try string.  If we asked for
Packit 98cdb6
       * anything else and didn't get it, give up.
Packit 98cdb6
       */
Packit 98cdb6
      if (selection_data->target == gdk_atom_intern_static_string ("UTF8_STRING"))
Packit 98cdb6
	{
Packit 98cdb6
	  gtk_selection_convert (widget, GDK_SELECTION_PRIMARY,
Packit 98cdb6
				 gdk_atom_intern_static_string ("TEXT"),
Packit 98cdb6
				 time);
Packit 98cdb6
	  return;
Packit 98cdb6
	}
Packit 98cdb6
      else if (selection_data->target == gdk_atom_intern_static_string ("TEXT"))
Packit 98cdb6
	{
Packit 98cdb6
	  gtk_selection_convert (widget, GDK_SELECTION_PRIMARY,
Packit 98cdb6
				 GDK_TARGET_STRING,
Packit 98cdb6
				 time);
Packit 98cdb6
	  return;
Packit 98cdb6
	}
Packit 98cdb6
    }
Packit 98cdb6
Packit 98cdb6
  if (text)
Packit 98cdb6
    {
Packit 98cdb6
      gtk_old_editable_paste_received (old_editable, (gchar *) text, FALSE);
Packit 98cdb6
      g_free (text);
Packit 98cdb6
    }
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
old_editable_text_received_cb (GtkClipboard *clipboard,
Packit 98cdb6
			       const gchar  *text,
Packit 98cdb6
			       gpointer      data)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditable *old_editable = GTK_OLD_EDITABLE (data);
Packit 98cdb6
Packit 98cdb6
  gtk_old_editable_paste_received (old_editable, text, TRUE);
Packit 98cdb6
  g_object_unref (G_OBJECT (old_editable));
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
/**
Packit 98cdb6
 * gtk_old_editable_claim_selection:
Packit 98cdb6
 * @old_editable: a #GtkOldEditable
Packit 98cdb6
 * @claim: if %TRUE, claim ownership of the selection, if %FALSE, give
Packit 98cdb6
 *   up ownership
Packit 98cdb6
 * @time_: timestamp for this operation
Packit 98cdb6
 * 
Packit 98cdb6
 * Claims or gives up ownership of the selection.
Packit 98cdb6
 */
Packit 98cdb6
void
Packit 98cdb6
gtk_old_editable_claim_selection (GtkOldEditable *old_editable, 
Packit 98cdb6
				  gboolean        claim, 
Packit 98cdb6
				  guint32         time)
Packit 98cdb6
{
Packit 98cdb6
  GtkWidget  *widget;
Packit 98cdb6
  GdkDisplay *display;
Packit 98cdb6
  
Packit 98cdb6
  g_return_if_fail (GTK_IS_OLD_EDITABLE (old_editable));
Packit 98cdb6
  widget = GTK_WIDGET (old_editable);
Packit 98cdb6
  g_return_if_fail (gtk_widget_get_realized (widget));
Packit 98cdb6
Packit 98cdb6
  display = gtk_widget_get_display (widget);
Packit 98cdb6
  old_editable->has_selection = FALSE;
Packit 98cdb6
  
Packit 98cdb6
  if (claim)
Packit 98cdb6
    {
Packit 98cdb6
      if (gtk_selection_owner_set_for_display (display, widget,
Packit 98cdb6
					       GDK_SELECTION_PRIMARY, time))
Packit 98cdb6
	old_editable->has_selection = TRUE;
Packit 98cdb6
    }
Packit 98cdb6
  else
Packit 98cdb6
    {
Packit 98cdb6
      if (gdk_selection_owner_get_for_display (display, GDK_SELECTION_PRIMARY) == widget->window)
Packit 98cdb6
	gtk_selection_owner_set_for_display (display,
Packit 98cdb6
					     NULL,
Packit 98cdb6
					     GDK_SELECTION_PRIMARY, time);
Packit 98cdb6
    }
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_set_selection_bounds (GtkEditable *editable,
Packit 98cdb6
				       gint         start,
Packit 98cdb6
				       gint         end)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditable *old_editable = GTK_OLD_EDITABLE (editable);
Packit 98cdb6
  
Packit 98cdb6
  if (gtk_widget_get_realized (GTK_WIDGET (editable)))
Packit 98cdb6
    gtk_old_editable_claim_selection (old_editable, start != end, GDK_CURRENT_TIME);
Packit 98cdb6
  
Packit 98cdb6
  gtk_old_editable_set_selection (old_editable, start, end);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static gboolean
Packit 98cdb6
gtk_old_editable_get_selection_bounds (GtkEditable *editable,
Packit 98cdb6
				       gint        *start,
Packit 98cdb6
				       gint        *end)
Packit 98cdb6
{
Packit 98cdb6
  GtkOldEditable *old_editable = GTK_OLD_EDITABLE (editable);
Packit 98cdb6
Packit 98cdb6
  *start = old_editable->selection_start_pos;
Packit 98cdb6
  *end = old_editable->selection_end_pos;
Packit 98cdb6
Packit 98cdb6
  return (old_editable->selection_start_pos != old_editable->selection_end_pos);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_real_set_editable (GtkOldEditable *old_editable,
Packit 98cdb6
				    gboolean        is_editable)
Packit 98cdb6
{
Packit 98cdb6
  is_editable = is_editable != FALSE;
Packit 98cdb6
Packit 98cdb6
  if (old_editable->editable != is_editable)
Packit 98cdb6
    {
Packit 98cdb6
      old_editable->editable = is_editable;
Packit 98cdb6
      gtk_widget_queue_draw (GTK_WIDGET (old_editable));
Packit 98cdb6
    }
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_real_cut_clipboard (GtkOldEditable *old_editable)
Packit 98cdb6
{
Packit 98cdb6
  gtk_old_editable_real_copy_clipboard (old_editable);
Packit 98cdb6
  gtk_editable_delete_selection (GTK_EDITABLE (old_editable));
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_real_copy_clipboard (GtkOldEditable *old_editable)
Packit 98cdb6
{
Packit 98cdb6
  gint selection_start_pos; 
Packit 98cdb6
  gint selection_end_pos;
Packit 98cdb6
Packit 98cdb6
  selection_start_pos = MIN (old_editable->selection_start_pos, old_editable->selection_end_pos);
Packit 98cdb6
  selection_end_pos = MAX (old_editable->selection_start_pos, old_editable->selection_end_pos);
Packit 98cdb6
Packit 98cdb6
  if (selection_start_pos != selection_end_pos)
Packit 98cdb6
    {
Packit 98cdb6
      gchar *text = gtk_old_editable_get_public_chars (old_editable,
Packit 98cdb6
						       selection_start_pos,
Packit 98cdb6
						       selection_end_pos);
Packit 98cdb6
Packit 98cdb6
      if (text)
Packit 98cdb6
	{
Packit 98cdb6
	  GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (old_editable),
Packit 98cdb6
							      GDK_SELECTION_CLIPBOARD);
Packit 98cdb6
	  
Packit 98cdb6
	  gtk_clipboard_set_text (clipboard, text, -1);
Packit 98cdb6
	  g_free (text);
Packit 98cdb6
	}
Packit 98cdb6
    }
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
static void
Packit 98cdb6
gtk_old_editable_real_paste_clipboard (GtkOldEditable *old_editable)
Packit 98cdb6
{
Packit 98cdb6
  GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (old_editable), 
Packit 98cdb6
						      GDK_SELECTION_CLIPBOARD);
Packit 98cdb6
Packit 98cdb6
  g_object_ref (G_OBJECT (old_editable));
Packit 98cdb6
  gtk_clipboard_request_text (clipboard, old_editable_text_received_cb, old_editable);
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
/**
Packit 98cdb6
 * gtk_old_editable_changed:
Packit 98cdb6
 * @old_editable: a #GtkOldEditable
Packit 98cdb6
 *
Packit 98cdb6
 * Emits the ::changed signal on @old_editable.
Packit 98cdb6
 */
Packit 98cdb6
void
Packit 98cdb6
gtk_old_editable_changed (GtkOldEditable *old_editable)
Packit 98cdb6
{
Packit 98cdb6
  g_return_if_fail (GTK_IS_OLD_EDITABLE (old_editable));
Packit 98cdb6
  
Packit 98cdb6
  g_signal_emit_by_name (old_editable, "changed");
Packit 98cdb6
}
Packit 98cdb6
Packit 98cdb6
#define __GTK_OLD_EDITABLE_C__
Packit 98cdb6
#include "gtkaliasdef.c"