Viking GPS data editor and analyzer Code

/*
 * 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_VIKWINDOW_H
#define _VIKING_VIKWINDOW_H
/* Requires <gtk/gtk.h> or glib, and coords.h*/

#include <glib.h>
#include <glib-object.h>
#include <gtk/gtk.h>

#include "vikviewport.h"
#include "vikstatus.h"

G_BEGIN_DECLS

#define VIK_WINDOW_TYPE            (vik_window_get_type ())
#define VIK_WINDOW(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), VIK_WINDOW_TYPE, VikWindow))
#define VIK_WINDOW_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), VIK_WINDOW_TYPE, VikWindowClass))
#define IS_VIK_WINDOW(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), VIK_WINDOW_TYPE))
#define IS_VIK_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), VIK_WINDOW_TYPE))

typedef struct _VikWindow VikWindow;
typedef struct _VikWindowClass VikWindowClass;

struct _VikWindowClass
{
  GtkWindowClass window_class;
  void (* newwindow) (VikWindow *vw);
  void (* openwindow) (VikWindow *vw, const gchar *filename);
};

GType vik_window_get_type ();

VikWindow *vik_window_new ();
GtkWidget *vik_window_get_drawmode_button ( VikWindow *vw, VikViewportDrawMode mode );
gboolean vik_window_get_pan_move ( VikWindow *vw );
void vik_window_open_file ( VikWindow *vw, const gchar *filename, gboolean changefilename );
struct _VikLayer;
void vik_window_selected_layer(VikWindow *vw, struct _VikLayer *vl);
struct _VikViewport * vik_window_viewport(VikWindow *vw);
struct _VikLayersPanel * vik_window_layers_panel(VikWindow *vw);
struct _VikStatusbar * vik_window_get_statusbar(VikWindow *vw);

void vik_window_set_redraw_trigger(struct _VikLayer *vl);

void vik_window_enable_layer_tool ( VikWindow *vw, gint layer_id, gint tool_id );

gpointer vik_window_get_selected_trw_layer ( VikWindow *vw ); /* return type VikTrwLayer */
void vik_window_set_selected_trw_layer ( VikWindow *vw, gpointer vtl ); /* input VikTrwLayer */
gpointer vik_window_get_selected_tracks ( VikWindow *vw ); /* return type GList */
void vik_window_set_selected_tracks ( VikWindow *vw, gpointer gl, gpointer vtl ); /* input GList, VikTrwLayer */
gpointer vik_window_get_selected_track ( VikWindow *vw ); /* return type VikTrack */
void vik_window_set_selected_track ( VikWindow *vw, gpointer *vt, gpointer vtl, gpointer name ); /* input VikTrack, VikTrwLayer */
gpointer vik_window_get_selected_waypoints ( VikWindow *vw ); /* return type GList */
void vik_window_set_selected_waypoints ( VikWindow *vw, gpointer gl, gpointer vtl ); /* input GList, VikTrwLayer */
gpointer vik_window_get_selected_waypoint ( VikWindow *vw ); /* return type VikWaypoint */
void vik_window_set_selected_waypoint ( VikWindow *vw, gpointer *vwp, gpointer vtl, gpointer name ); /* input VikWaypoint, VikTrwLayer */
/* Return the VikTrwLayer of the selected track(s) or waypoint(s) are in (maybe NULL) */
gpointer vik_window_get_containing_trw_layer ( VikWindow *vw );
gpointer vik_window_get_selected_name ( VikWindow *vw );
/* return indicates if a redraw is necessary */
gboolean vik_window_clear_highlight ( VikWindow *vw );

typedef struct {
  VikWindow *vw;
  VikViewport *vvp;
  gpointer *vtl; // VikTrwlayer
  gboolean holding;
  gboolean is_waypoint; // otherwise a track
  GdkGC *gc;
  int oldx, oldy;
} tool_ed_t;

G_END_DECLS

#define VIK_WINDOW_FROM_WIDGET(x) VIK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(x)))

#endif