From fdb10dd6d9cdd22079ca27ffee4918b2badb718b Mon Sep 17 00:00:00 2001 From: Damon Chaplin Date: Thu, 14 Jun 2001 04:06:55 +0000 Subject: copied the EMap widget verbatim from Ximian Setup Tools. Hmm. Maybe it 2001-06-14 Damon Chaplin * e-map.[hc]: copied the EMap widget verbatim from Ximian Setup Tools. Hmm. Maybe it should go in gal, but its not a very general widget. * Makefile.am (INCLUDES): defined MAP_DIR for e-map.c. (libemiscwidgets_a_SOURCES): added e-map.[hc]. svn path=/trunk/; revision=10221 --- widgets/misc/e-map.h | 139 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 widgets/misc/e-map.h (limited to 'widgets/misc/e-map.h') diff --git a/widgets/misc/e-map.h b/widgets/misc/e-map.h new file mode 100644 index 0000000000..df914bec72 --- /dev/null +++ b/widgets/misc/e-map.h @@ -0,0 +1,139 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* Map widget. + * + * Copyright (C) 2000-2001 Ximian, Inc. + * + * Authors: Hans Petter Jansson + * + * 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 E_MAP_H +#define E_MAP_H + +#include +#include + +#define TYPE_E_MAP (e_map_get_type ()) +#define E_MAP(obj) (GTK_CHECK_CAST ((obj), TYPE_E_MAP, EMap)) +#define E_MAP_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), TYPE_E_MAP, EMapClass)) +#define IS_E_MAP(obj) (GTK_CHECK_TYPE ((obj), TYPE_E_MAP)) +#define IS_E_MAP_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), TYPE_E_MAP)) + +typedef struct _EMap EMap; +typedef struct _EMapClass EMapClass; +typedef struct _EMapPoint EMapPoint; + +struct _EMap +{ + GtkWidget widget; + + /* Private data */ + gpointer priv; +}; + +struct _EMapClass +{ + GtkWidgetClass parent_class; + + /* Notification signals */ + void (*zoom_fit) (EMap * view); + + /* GTK+ scrolling interface */ + void (*set_scroll_adjustments) (GtkWidget * widget, + GtkAdjustment * hadj, + GtkAdjustment * vadj); +}; + +/* The definition of Dot */ + +struct _EMapPoint +{ + gchar *name; /* Can be NULL */ + double longitude, latitude; + guint32 rgba; + gpointer user_data; +}; + + +/* --- Widget --- */ + +GtkType e_map_get_type (void); + +EMap *e_map_new (void); + +/* Stop doing redraws when map data changes (e.g. by modifying points) */ +void e_map_freeze (EMap *map); + +/* Do an immediate repaint, and start doing realtime repaints again */ +void e_map_thaw (EMap *map); + +/* --- Coordinate translation --- */ + +/* Translates window-relative coords to lat/long */ +void e_map_window_to_world (EMap *map, + double win_x, double win_y, + double *world_longitude, double *world_latitude); + +/* Translates lat/long to window-relative coordinates. Note that the + * returned coordinates can be negative or greater than the current size + * of the allocation area */ +void e_map_world_to_window (EMap *map, + double world_longitude, double world_latitude, + double *win_x, double *win_y); + +/* --- Zoom --- */ + +double e_map_get_magnification (EMap *map); + +/* Pass TRUE if we want the smooth zoom hack */ +void e_map_set_smooth_zoom (EMap *map, gboolean state); + +/* TRUE if smooth zoom hack will be employed */ +gboolean e_map_get_smooth_zoom (EMap *map); + +/* NB: Function definition will change shortly */ +void e_map_zoom_to_location (EMap *map, double longitude, double latitude); + +/* Zoom to mag factor 1.0 */ +void e_map_zoom_out (EMap *map); + +/* --- Points --- */ + +EMapPoint *e_map_add_point (EMap *map, gchar *name, + double longitude, double latitude, + guint32 color_rgba); + +void e_map_remove_point (EMap *map, EMapPoint *point); + +void e_map_point_get_location (EMapPoint *point, + double *longitude, double *latitude); + +gchar *e_map_point_get_name (EMapPoint *point); + +guint32 e_map_point_get_color_rgba (EMapPoint *point); + +void e_map_point_set_color_rgba (EMap *map, EMapPoint *point, guint32 color_rgba); + +void e_map_point_set_data (EMapPoint *point, gpointer data); + +gpointer e_map_point_get_data (EMapPoint *point); + +gboolean e_map_point_is_in_view (EMap *map, EMapPoint *point); + +EMapPoint *e_map_get_closest_point (EMap *map, double longitude, double latitude, + gboolean in_view); + +#endif -- cgit v1.2.3