475 lines
12 KiB
C
475 lines
12 KiB
C
/* 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, see <http://www.gnu.org/licenses/>.
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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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#include "config.h"
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#include <stdio.h>
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#include <string.h>
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#include "gtk/gtk.h"
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typedef enum {
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SEL_TYPE_NONE,
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APPLE_PICT,
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ATOM,
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ATOM_PAIR,
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BITMAP,
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C_STRING,
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COLORMAP,
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COMPOUND_TEXT,
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DRAWABLE,
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INTEGER,
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PIXEL,
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PIXMAP,
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SPAN,
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STRING,
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TEXT,
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WINDOW,
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LAST_SEL_TYPE
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} SelType;
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GdkAtom seltypes[LAST_SEL_TYPE];
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typedef struct _Target {
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gchar *target_name;
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SelType type;
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GdkAtom target;
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gint format;
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} Target;
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/* The following is a list of all the selection targets defined
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in the ICCCM */
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static Target targets[] = {
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{ "ADOBE_PORTABLE_DOCUMENT_FORMAT", STRING, NULL, 8 },
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{ "APPLE_PICT", APPLE_PICT, NULL, 8 },
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{ "BACKGROUND", PIXEL, NULL, 32 },
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{ "BITMAP", BITMAP, NULL, 32 },
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{ "CHARACTER_POSITION", SPAN, NULL, 32 },
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{ "CLASS", TEXT, NULL, 8 },
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{ "CLIENT_WINDOW", WINDOW, NULL, 32 },
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{ "COLORMAP", COLORMAP, NULL, 32 },
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{ "COLUMN_NUMBER", SPAN, NULL, 32 },
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{ "COMPOUND_TEXT", COMPOUND_TEXT, NULL, 8 },
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/* { "DELETE", "NULL", 0, ? }, */
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{ "DRAWABLE", DRAWABLE, NULL, 32 },
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{ "ENCAPSULATED_POSTSCRIPT", STRING, NULL, 8 },
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{ "ENCAPSULATED_POSTSCRIPT_INTERCHANGE", STRING, NULL, 8 },
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{ "FILE_NAME", TEXT, NULL, 8 },
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{ "FOREGROUND", PIXEL, NULL, 32 },
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{ "HOST_NAME", TEXT, NULL, 8 },
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/* { "INSERT_PROPERTY", "NULL", 0, ? NULL }, */
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/* { "INSERT_SELECTION", "NULL", 0, ? NULL }, */
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{ "LENGTH", INTEGER, NULL, 32 },
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{ "LINE_NUMBER", SPAN, NULL, 32 },
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{ "LIST_LENGTH", INTEGER, NULL, 32 },
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{ "MODULE", TEXT, NULL, 8 },
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/* { "MULTIPLE", "ATOM_PAIR", 0, 32 }, */
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{ "NAME", TEXT, NULL, 8 },
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{ "ODIF", TEXT, NULL, 8 },
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{ "OWNER_OS", TEXT, NULL, 8 },
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{ "PIXMAP", PIXMAP, NULL, 32 },
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{ "POSTSCRIPT", STRING, NULL, 8 },
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{ "PROCEDURE", TEXT, NULL, 8 },
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{ "PROCESS", INTEGER, NULL, 32 },
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{ "STRING", STRING, NULL, 8 },
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{ "TARGETS", ATOM, NULL, 32 },
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{ "TASK", INTEGER, NULL, 32 },
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{ "TEXT", TEXT, NULL, 8 },
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{ "TIMESTAMP", INTEGER, NULL, 32 },
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{ "USER", TEXT, NULL, 8 },
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};
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static int num_targets = sizeof(targets)/sizeof(Target);
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static int have_selection = FALSE;
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GtkWidget *selection_widget;
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GtkWidget *selection_text;
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GtkWidget *selection_button;
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GString *selection_string = NULL;
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static void
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init_atoms (void)
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{
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int i;
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seltypes[SEL_TYPE_NONE] = GDK_NONE;
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seltypes[APPLE_PICT] = gdk_atom_intern ("APPLE_PICT",FALSE);
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seltypes[ATOM] = gdk_atom_intern ("ATOM",FALSE);
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seltypes[ATOM_PAIR] = gdk_atom_intern ("ATOM_PAIR",FALSE);
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seltypes[BITMAP] = gdk_atom_intern ("BITMAP",FALSE);
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seltypes[C_STRING] = gdk_atom_intern ("C_STRING",FALSE);
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seltypes[COLORMAP] = gdk_atom_intern ("COLORMAP",FALSE);
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seltypes[COMPOUND_TEXT] = gdk_atom_intern ("COMPOUND_TEXT",FALSE);
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seltypes[DRAWABLE] = gdk_atom_intern ("DRAWABLE",FALSE);
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seltypes[INTEGER] = gdk_atom_intern ("INTEGER",FALSE);
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seltypes[PIXEL] = gdk_atom_intern ("PIXEL",FALSE);
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seltypes[PIXMAP] = gdk_atom_intern ("PIXMAP",FALSE);
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seltypes[SPAN] = gdk_atom_intern ("SPAN",FALSE);
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seltypes[STRING] = gdk_atom_intern ("STRING",FALSE);
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seltypes[TEXT] = gdk_atom_intern ("TEXT",FALSE);
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seltypes[WINDOW] = gdk_atom_intern ("WINDOW",FALSE);
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for (i=0; i<num_targets; i++)
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targets[i].target = gdk_atom_intern (targets[i].target_name, FALSE);
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}
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void
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selection_toggled (GtkWidget *widget)
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{
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if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
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{
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have_selection = gtk_selection_owner_set (selection_widget,
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GDK_SELECTION_PRIMARY,
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GDK_CURRENT_TIME);
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if (!have_selection)
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(widget), FALSE);
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}
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else
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{
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if (have_selection)
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{
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if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) == gtk_widget_get_window (widget))
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gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY,
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GDK_CURRENT_TIME);
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have_selection = FALSE;
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}
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}
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}
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void
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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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gpointer data)
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{
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guchar *buffer;
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gint len;
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GdkAtom type = GDK_NONE;
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if (!selection_string)
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{
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buffer = NULL;
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len = 0;
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}
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else
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{
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buffer = (guchar *)selection_string->str;
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len = selection_string->len;
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}
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switch (info)
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{
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case COMPOUND_TEXT:
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case TEXT:
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type = seltypes[COMPOUND_TEXT];
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case STRING:
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type = seltypes[STRING];
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}
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gtk_selection_data_set (selection_data, type, 8, buffer, len);
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}
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gint
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selection_clear (GtkWidget *widget, GdkEventSelection *event)
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{
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have_selection = FALSE;
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(selection_button), FALSE);
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return TRUE;
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}
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gchar *
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stringify_atom (guchar *data, gint *position)
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{
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gchar *str = gdk_atom_name (*(GdkAtom *)(data+*position));
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*position += sizeof(GdkAtom);
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return str;
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}
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gchar *
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stringify_text (guchar *data, gint *position)
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{
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gchar *str = g_strdup ((gchar *)(data+*position));
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*position += strlen (str) + 1;
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return str;
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}
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gchar *
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stringify_xid (guchar *data, gint *position)
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{
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gchar buffer[20];
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gchar *str;
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sprintf(buffer,"0x%x",*(guint32 *)(data+*position));
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str = g_strdup (buffer);
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*position += sizeof(guint32);
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return str;
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}
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gchar *
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stringify_integer (guchar *data, gint *position)
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{
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gchar buffer[20];
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gchar *str;
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sprintf(buffer,"%d",*(int *)(data+*position));
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str = g_strdup (buffer);
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*position += sizeof(int);
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return str;
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}
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gchar *
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stringify_span (guchar *data, gint *position)
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{
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gchar buffer[42];
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gchar *str;
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sprintf(buffer,"%d - %d",((int *)(data+*position))[0],
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((int *)(data+*position))[1]);
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str = g_strdup (buffer);
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*position += 2*sizeof(int);
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return str;
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}
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void
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selection_received (GtkWidget *widget, GtkSelectionData *selection_data)
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{
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int position;
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int i;
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SelType seltype;
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char *str;
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guchar *data;
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GtkTextBuffer *buffer;
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GdkAtom type;
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if (gtk_selection_data_get_length (selection_data) < 0)
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{
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g_print("Error retrieving selection\n");
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return;
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}
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type = gtk_selection_data_get_data_type (selection_data);
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seltype = SEL_TYPE_NONE;
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for (i=0; i<LAST_SEL_TYPE; i++)
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{
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if (seltypes[i] == type)
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{
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seltype = i;
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break;
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}
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}
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if (seltype == SEL_TYPE_NONE)
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{
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char *name = gdk_atom_name (type);
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g_print("Don't know how to handle type: %s\n",
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name?name:"<unknown>");
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return;
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}
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if (selection_string != NULL)
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g_string_free (selection_string, TRUE);
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selection_string = g_string_new (NULL);
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buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (selection_text));
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gtk_text_buffer_set_text (buffer, "", -1);
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position = 0;
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while (position < gtk_selection_data_get_length (selection_data))
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{
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data = (guchar *) gtk_selection_data_get_data (selection_data);
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switch (seltype)
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{
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case ATOM:
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str = stringify_atom (data, &position);
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break;
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case COMPOUND_TEXT:
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case STRING:
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case TEXT:
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str = stringify_text (data, &position);
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break;
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case BITMAP:
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case DRAWABLE:
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case PIXMAP:
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case WINDOW:
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case COLORMAP:
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str = stringify_xid (data, &position);
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break;
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case INTEGER:
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case PIXEL:
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str = stringify_integer (data, &position);
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break;
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case SPAN:
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str = stringify_span (data, &position);
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break;
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default:
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{
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char *name = gdk_atom_name (gtk_selection_data_get_data_type (selection_data));
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g_print("Can't convert type %s to string\n",
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name?name:"<unknown>");
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position = gtk_selection_data_get_length (selection_data);
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continue;
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}
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}
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gtk_text_buffer_insert_at_cursor (buffer, str, -1);
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gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
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g_string_append (selection_string, str);
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g_free (str);
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}
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}
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void
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paste (GtkWidget *widget, GtkWidget *entry)
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{
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const char *name;
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GdkAtom atom;
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name = gtk_entry_get_text (GTK_ENTRY(entry));
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atom = gdk_atom_intern (name, FALSE);
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if (atom == GDK_NONE)
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{
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g_print("Could not create atom: \"%s\"\n",name);
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return;
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}
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gtk_selection_convert (selection_widget, GDK_SELECTION_PRIMARY, atom,
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GDK_CURRENT_TIME);
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}
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void
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quit (void)
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{
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gtk_main_quit ();
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}
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int
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main (int argc, char *argv[])
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{
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GtkWidget *action_area, *content_area;
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GtkWidget *dialog;
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GtkWidget *button;
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GtkWidget *vbox;
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GtkWidget *label;
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GtkWidget *entry;
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GtkWidget *hbox;
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GtkWidget *scrolled;
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static GtkTargetEntry targetlist[] = {
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{ "STRING", 0, STRING },
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{ "TEXT", 0, TEXT },
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{ "COMPOUND_TEXT", 0, COMPOUND_TEXT }
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};
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static gint ntargets = sizeof(targetlist) / sizeof(targetlist[0]);
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gtk_init (&argc, &argv);
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init_atoms();
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selection_widget = gtk_invisible_new ();
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dialog = gtk_dialog_new ();
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gtk_widget_set_name (dialog, "Test Input");
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gtk_container_set_border_width (GTK_CONTAINER(dialog), 0);
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g_signal_connect (dialog, "destroy",
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G_CALLBACK (quit), NULL);
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content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
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action_area = gtk_dialog_get_action_area (GTK_DIALOG (dialog));
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 10);
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gtk_box_pack_start (GTK_BOX (content_area), vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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selection_button = gtk_toggle_button_new_with_label ("Claim Selection");
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gtk_container_add (GTK_CONTAINER (vbox), selection_button);
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gtk_widget_show (selection_button);
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g_signal_connect (selection_button, "toggled",
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G_CALLBACK (selection_toggled), NULL);
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g_signal_connect (selection_widget, "selection_clear_event",
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G_CALLBACK (selection_clear), NULL);
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g_signal_connect (selection_widget, "selection_received",
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G_CALLBACK (selection_received), NULL);
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gtk_selection_add_targets (selection_widget, GDK_SELECTION_PRIMARY,
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targetlist, ntargets);
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g_signal_connect (selection_widget, "selection_get",
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G_CALLBACK (selection_get), NULL);
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selection_text = gtk_text_view_new ();
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scrolled = gtk_scrolled_window_new (NULL, NULL);
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gtk_container_add (GTK_CONTAINER (scrolled), selection_text);
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gtk_container_add (GTK_CONTAINER (vbox), scrolled);
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gtk_widget_show (selection_text);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
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gtk_container_add (GTK_CONTAINER (vbox), hbox);
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gtk_widget_show (hbox);
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label = gtk_label_new ("Target:");
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gtk_box_pack_start (GTK_BOX(hbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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entry = gtk_entry_new ();
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gtk_box_pack_start (GTK_BOX(hbox), entry, TRUE, TRUE, 0);
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gtk_widget_show (entry);
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/* .. And create some buttons */
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button = gtk_button_new_with_label ("Paste");
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gtk_box_pack_start (GTK_BOX (action_area), button, TRUE, TRUE, 0);
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g_signal_connect (button, "clicked",
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G_CALLBACK (paste), entry);
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gtk_widget_show (button);
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button = gtk_button_new_with_label ("Quit");
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gtk_box_pack_start (GTK_BOX (action_area), button, TRUE, TRUE, 0);
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g_signal_connect_swapped (button, "clicked",
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G_CALLBACK (gtk_widget_destroy), dialog);
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gtk_widget_show (button);
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gtk_widget_show (dialog);
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gtk_main ();
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return 0;
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}
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