src/nautilus-zoom-control.h

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
   2
   3 /*
   4  * Nautilus
   5  *
   6  * Copyright (C) 2000 Eazel, Inc.
   7  *
   8  * Nautilus is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * Nautilus is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  * Author: Andy Hertzfeld <andy@eazel.com>
  23  *
  24  * This is the header file for the zoom control on the location bar
  25  *
  26  */
  27
  28 #ifndef NAUTILUS_ZOOM_CONTROL_H
  29 #define NAUTILUS_ZOOM_CONTROL_H
  30
  31 #include <gtk/gtkhbox.h>
  32 #include <libnautilus-private/nautilus-icon-info.h> /* For NautilusZoomLevel */
  33
  34 #define NAUTILUS_TYPE_ZOOM_CONTROL            (nautilus_zoom_control_get_type ())
  35 #define NAUTILUS_ZOOM_CONTROL(obj)            (GTK_CHECK_CAST ((obj), NAUTILUS_TYPE_ZOOM_CONTROL, NautilusZoomControl))
  36 #define NAUTILUS_ZOOM_CONTROL_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), NAUTILUS_TYPE_ZOOM_CONTROL, NautilusZoomControlClass))
  37 #define NAUTILUS_IS_ZOOM_CONTROL(obj)         (GTK_CHECK_TYPE ((obj), NAUTILUS_TYPE_ZOOM_CONTROL))
  38 #define NAUTILUS_IS_ZOOM_CONTROL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), NAUTILUS_TYPE_ZOOM_CONTROL))
  39
  40 typedef struct NautilusZoomControl NautilusZoomControl;
  41 typedef struct NautilusZoomControlClass NautilusZoomControlClass;
  42 typedef struct NautilusZoomControlDetails NautilusZoomControlDetails;
  43
  44 struct NautilusZoomControl {
  45         GtkHBox parent;
  46         NautilusZoomControlDetails *details;
  47 };
  48
  49 struct NautilusZoomControlClass {
  50         GtkHBoxClass parent_class;
  51
  52         void (*zoom_in)         (NautilusZoomControl *control);
  53         void (*zoom_out)        (NautilusZoomControl *control);
  54         void (*zoom_to_level)   (NautilusZoomControl *control,
  55                                  NautilusZoomLevel zoom_level);
  56         void (*zoom_to_default) (NautilusZoomControl *control);
  57
  58         /* Action signal for keybindings, do not connect to this */
  59         void (*change_value)    (NautilusZoomControl *control,
  60                                  GtkScrollType scroll);
  61 };
  62
  63 GType             nautilus_zoom_control_get_type           (void);
  64 GtkWidget *       nautilus_zoom_control_new                (void);
  65 void              nautilus_zoom_control_set_zoom_level     (NautilusZoomControl *zoom_control,
  66                                                             NautilusZoomLevel    zoom_level);
  67 void              nautilus_zoom_control_set_parameters     (NautilusZoomControl *zoom_control,
  68                                                             NautilusZoomLevel    min_zoom_level,
  69                                                             NautilusZoomLevel    max_zoom_level,
  70                                                             gboolean             has_min_zoom_level,
  71                                                             gboolean             has_max_zoom_level,
  72                                                             GList               *zoom_levels);
  73 NautilusZoomLevel nautilus_zoom_control_get_zoom_level     (NautilusZoomControl *zoom_control);
  74 NautilusZoomLevel nautilus_zoom_control_get_min_zoom_level (NautilusZoomControl *zoom_control);
  75 NautilusZoomLevel nautilus_zoom_control_get_max_zoom_level (NautilusZoomControl *zoom_control);
  76 gboolean          nautilus_zoom_control_has_min_zoom_level (NautilusZoomControl *zoom_control);
  77 gboolean          nautilus_zoom_control_has_max_zoom_level (NautilusZoomControl *zoom_control);
  78 gboolean          nautilus_zoom_control_can_zoom_in        (NautilusZoomControl *zoom_control);
  79 gboolean          nautilus_zoom_control_can_zoom_out       (NautilusZoomControl *zoom_control);
  80
  81 #endif /* NAUTILUS_ZOOM_CONTROL_H */