gpslayer: fix bug that caused crash when click \'Cancel\' on layer creating dialog

[andy/viking.git] / src / viktrwlayer.h

/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
 *
 * 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
 *
 */

#ifndef _VIKING_TRWLAYER_H
#define _VIKING_TRWLAYER_H

#define VIK_TRW_LAYER_TYPE            (vik_trw_layer_get_type ())
#define VIK_TRW_LAYER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), VIK_TRW_LAYER_TYPE, VikTrwLayer))
#define VIK_TRW_LAYER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), VIK_TRW_LAYER_TYPE, VikTrwLayerClass))
#define IS_VIK_TRW_LAYER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), VIK_TRW_LAYER_TYPE))
#define IS_VIK_TRW_LAYER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), VIK_TRW_LAYER_TYPE))

typedef struct _VikTrwLayerClass VikTrwLayerClass;
struct _VikTrwLayerClass
{
  VikLayerClass object_class;
};


GType vik_trw_layer_get_type ();

typedef struct _VikTrwLayer VikTrwLayer;

/* These are meant for use in file loaders (gpspoint.c, gpx.c, etc).
 * These copy the name, so you should free it if necessary. */
void vik_trw_layer_filein_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp );
void vik_trw_layer_filein_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *tr );


/* TODO 0.0.8: _none_ of this should be here... interfaces, remember... */
VikTrwLayer *vik_trw_layer_new ( gint drawmode );
void vik_trw_layer_draw ( VikTrwLayer *l, gpointer data );
void vik_trw_layer_free ( VikTrwLayer *trwlayer );

VikTrwLayer *vik_trw_layer_create ( VikViewport *vp );
gboolean vik_trw_layer_properties ( VikTrwLayer *vtl, gpointer vp );

void vik_trw_layer_add_waypoint ( VikTrwLayer *vtl, gchar *name, VikWaypoint *wp );
void vik_trw_layer_add_track ( VikTrwLayer *vtl, gchar *name, VikTrack *t );
VikWaypoint *vik_trw_layer_get_waypoint ( VikTrwLayer *vtl, gchar *name );
VikTrack *vik_trw_layer_get_track ( VikTrwLayer *vtl, gchar *name );
gboolean vik_trw_layer_delete_waypoint ( VikTrwLayer *vtl, const gchar *wp_name );
gboolean vik_trw_layer_delete_track ( VikTrwLayer *vtl, const gchar *trk_name );
const gchar *vik_trw_layer_sublayer_rename_request ( VikTrwLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter );

gboolean vik_trw_layer_sublayer_toggle_visible ( VikTrwLayer *l, gint subtype, gpointer sublayer );
void vik_trw_layer_realize ( VikTrwLayer *vtl, VikTreeview *vt, GtkTreeIter *layer_iter );

gboolean vik_trw_layer_find_center ( VikTrwLayer *vtl, VikCoord *dest );
GHashTable *vik_trw_layer_get_tracks ( VikTrwLayer *l );
GHashTable *vik_trw_layer_get_waypoints ( VikTrwLayer *l );
void vik_trw_layer_add_menu_items ( VikTrwLayer *vtl, GtkMenu *menu, gpointer vlp );
gboolean vik_trw_layer_sublayer_add_menu_items ( VikTrwLayer *l, GtkMenu *menu, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter );
gboolean vik_trw_layer_new_waypoint ( VikTrwLayer *vtl, GtkWindow *w, const VikCoord *def_coord );

VikCoordMode vik_trw_layer_get_coord_mode ( VikTrwLayer *vtl );


#endif