4354c0ac03
2002-11-27 Not Zed <NotZed@Ximian.com> * e-charset-picker.c: Add include of gnome-dialog.h * *.[ch]: ran fix.sh script over everything. svn path=/trunk/; revision=18978
139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/* Map widget.
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*
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* Copyright (C) 2000-2001 Ximian, Inc.
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*
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* Authors: Hans Petter Jansson <hpj@ximian.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef E_MAP_H
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#define E_MAP_H
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#include <gtk/gtkwidget.h>
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#define TYPE_E_MAP (e_map_get_type ())
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#define E_MAP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_E_MAP, EMap))
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#define E_MAP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_E_MAP, EMapClass))
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#define IS_E_MAP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_E_MAP))
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#define IS_E_MAP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_E_MAP))
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typedef struct _EMap EMap;
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typedef struct _EMapClass EMapClass;
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typedef struct _EMapPoint EMapPoint;
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struct _EMap
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{
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GtkWidget widget;
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/* Private data */
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gpointer priv;
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};
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struct _EMapClass
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{
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GtkWidgetClass parent_class;
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/* Notification signals */
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void (*zoom_fit) (EMap * view);
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/* GTK+ scrolling interface */
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void (*set_scroll_adjustments) (GtkWidget * widget,
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GtkAdjustment * hadj,
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GtkAdjustment * vadj);
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};
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/* The definition of Dot */
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struct _EMapPoint
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{
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gchar *name; /* Can be NULL */
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double longitude, latitude;
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guint32 rgba;
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gpointer user_data;
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};
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/* --- Widget --- */
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GtkType e_map_get_type (void);
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EMap *e_map_new (void);
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/* Stop doing redraws when map data changes (e.g. by modifying points) */
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void e_map_freeze (EMap *map);
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/* Do an immediate repaint, and start doing realtime repaints again */
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void e_map_thaw (EMap *map);
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/* --- Coordinate translation --- */
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/* Translates window-relative coords to lat/long */
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void e_map_window_to_world (EMap *map,
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double win_x, double win_y,
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double *world_longitude, double *world_latitude);
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/* Translates lat/long to window-relative coordinates. Note that the
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* returned coordinates can be negative or greater than the current size
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* of the allocation area */
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void e_map_world_to_window (EMap *map,
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double world_longitude, double world_latitude,
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double *win_x, double *win_y);
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/* --- Zoom --- */
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double e_map_get_magnification (EMap *map);
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/* Pass TRUE if we want the smooth zoom hack */
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void e_map_set_smooth_zoom (EMap *map, gboolean state);
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/* TRUE if smooth zoom hack will be employed */
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gboolean e_map_get_smooth_zoom (EMap *map);
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/* NB: Function definition will change shortly */
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void e_map_zoom_to_location (EMap *map, double longitude, double latitude);
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/* Zoom to mag factor 1.0 */
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void e_map_zoom_out (EMap *map);
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/* --- Points --- */
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EMapPoint *e_map_add_point (EMap *map, gchar *name,
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double longitude, double latitude,
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guint32 color_rgba);
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void e_map_remove_point (EMap *map, EMapPoint *point);
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void e_map_point_get_location (EMapPoint *point,
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double *longitude, double *latitude);
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gchar *e_map_point_get_name (EMapPoint *point);
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guint32 e_map_point_get_color_rgba (EMapPoint *point);
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void e_map_point_set_color_rgba (EMap *map, EMapPoint *point, guint32 color_rgba);
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void e_map_point_set_data (EMapPoint *point, gpointer data);
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gpointer e_map_point_get_data (EMapPoint *point);
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gboolean e_map_point_is_in_view (EMap *map, EMapPoint *point);
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EMapPoint *e_map_get_closest_point (EMap *map, double longitude, double latitude,
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gboolean in_view);
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#endif
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