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hlight.c

/*
 *  Leafpad - GTK+ based simple text editor
 *  Copyright (C) 2004-2005 Tarot Osuji
 *  
 *  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 2 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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <string.h>
#include "leafpad.h"
//#include <gtk/gtk.h>

static gboolean searched_flag = FALSE;

static void cb_changed(GtkTextBuffer *buffer)
{
      GtkTextIter start, end;
      
      gtk_text_buffer_get_bounds(buffer, &start, &end);
//    gtk_text_buffer_remove_tag_by_name(buffer,
//          "searched", &start, &end);
      gtk_text_buffer_remove_all_tags(buffer, &start, &end);
      g_signal_handlers_block_by_func(G_OBJECT(buffer),
            G_CALLBACK(cb_changed), NULL);
      searched_flag = FALSE;
}

static void cb_paste_clipboard(void)
{
      gchar *text;
      
      text = gtk_clipboard_wait_for_text(
            gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
      if (text) {
            gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
                  text, -1);
            g_free(text);
      }
}

gboolean hlight_check_searched(void)
{
      return searched_flag;
}

gboolean hlight_toggle_searched(GtkTextBuffer *buffer)
{
      if (!searched_flag) {
            g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
                  G_CALLBACK(cb_changed), NULL);
            searched_flag = TRUE;
      } else {
            g_signal_handlers_block_by_func(G_OBJECT(buffer),
                  G_CALLBACK(cb_changed), NULL);
            searched_flag = FALSE;
      }
      return searched_flag;
}

void hlight_init(GtkTextBuffer *buffer)
{
      gtk_text_buffer_create_tag(buffer, "searched",
            "background", "yellow",
            "foreground", "black",
            NULL);
      gtk_text_buffer_create_tag(buffer, "replaced",
            "background", "cyan",
            "foreground", "black",
            NULL);
      g_signal_connect(G_OBJECT(buffer), "changed",
            G_CALLBACK(cb_changed), NULL);
      g_signal_handlers_block_by_func(G_OBJECT(buffer),
            G_CALLBACK(cb_changed), NULL);
      
      g_signal_connect(G_OBJECT(pub->mw->view), "paste-clipboard",
            G_CALLBACK(cb_paste_clipboard), NULL);
}

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