Contents of /trunk/src/map-tool.c

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Revision 33 - (show annotations)
Tue Jul 28 13:21:40 2009 UTC (14 years, 9 months ago) by harbaum
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osm-gps-map integration
1 /*
2 * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
3 *
4 * This file is part of GPXView.
5 *
6 * GPXView is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * GPXView is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with GPXView. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "gpxview.h"
21
22 #ifdef ENABLE_OSM_GPS_MAP
23 #include "osm-gps-map.h"
24 #endif
25
26 typedef struct {
27 GtkWidget *widget;
28 GtkWidget *zoomin, *zoomout, *gps;
29 gint handler_id;
30 } map_context_t;
31
32 static const char *get_proxy_uri(void) {
33 static char proxy_buffer[64];
34
35 /* use environment settings if preset */
36 const char *proxy = g_getenv("http_proxy");
37 if(proxy) {
38 printf("http_proxy: %s\n", proxy);
39 return proxy;
40 }
41
42 #if 0
43 /* otherwise try settings */
44 if(!settings || !settings->proxy ||
45 !settings->proxy->host) return NULL;
46
47 snprintf(proxy_buffer, sizeof(proxy_buffer), "%s%s:%u",
48 strncmp(settings->proxy->host, "http://", 7)?"http://":"",
49 settings->proxy->host, settings->proxy->port);
50
51 proxy_buffer[sizeof(proxy_buffer)-1] = 0;
52 printf("gconf_proxy: %s\n", proxy_buffer);
53 #endif
54
55 return proxy_buffer;
56 }
57
58 static void map_zoom(map_context_t *context, int step) {
59 int zoom;
60 OsmGpsMap *map = OSM_GPS_MAP(context->widget);
61 g_object_get(map, "zoom", &zoom, NULL);
62 zoom = osm_gps_map_set_zoom(map, zoom+step);
63
64 /* enable/disable zoom buttons as required */
65 gtk_widget_set_sensitive(context->zoomin, zoom<17);
66 gtk_widget_set_sensitive(context->zoomout, zoom>1);
67 }
68
69 static gboolean
70 cb_map_zoomin(GtkButton *button, map_context_t *context) {
71 map_zoom(context, +1);
72 return FALSE;
73 }
74
75 static gboolean
76 cb_map_zoomout(GtkButton *button, map_context_t *context) {
77 map_zoom(context, -1);
78 return FALSE;
79 }
80
81 static gboolean
82 cb_map_gps(GtkButton *button, map_context_t *context) {
83
84 // osm_gps_map_set_center(OSM_GPS_MAP(context->widget),
85 // DEG2RAD(pos.lat), DEG2RAD(pos.lon));
86
87 return FALSE;
88 }
89
90 static GtkWidget
91 *map_add_button(const gchar *icon, GCallback cb, gpointer data,
92 char *tooltip) {
93 GtkWidget *button = gtk_button_new();
94 gtk_button_set_image(GTK_BUTTON(button),
95 gtk_image_new_from_stock(icon, GTK_ICON_SIZE_MENU));
96 g_signal_connect(button, "clicked", cb, data);
97 #ifndef USE_MAEMO
98 gtk_widget_set_tooltip_text(button, tooltip);
99 #endif
100 return button;
101 }
102
103 static gboolean map_gps_update(gpointer data) {
104 map_context_t *context = (map_context_t*)data;
105
106 // gtk_widget_set_sensitive(context->map.gps, gps_fix);
107
108 return TRUE;
109 }
110
111
112 void map(appdata_t *appdata) {
113 map_context_t context;
114
115 GtkWidget *dialog = gtk_dialog_new_with_buttons(_("Map"),
116 GTK_WINDOW(appdata->window),
117 GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
118 GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
119 NULL);
120
121 #ifndef USE_MAEMO
122 gtk_window_set_default_size(GTK_WINDOW(dialog), 400, 350);
123 #else
124 gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 480);
125 #endif
126
127 GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
128
129 char *path = g_strdup_printf("%s/map/", appdata->image_path);
130
131 context.widget = g_object_new(OSM_TYPE_GPS_MAP,
132 "repo-uri", MAP_SOURCE_OPENSTREETMAP,
133 "proxy-uri", get_proxy_uri(),
134 "tile-cache", path,
135 NULL);
136
137 g_free(path);
138
139 #if 0
140 g_signal_connect(G_OBJECT(context.widget), "button-release-event",
141 G_CALLBACK(on_map_button_release_event), &context);
142 #endif
143
144 gtk_box_pack_start_defaults(GTK_BOX(hbox), context.widget);
145 /* zoom button box */
146 GtkWidget *vbox = gtk_vbox_new(FALSE,0);
147
148 context.zoomin =
149 map_add_button(GTK_STOCK_ZOOM_IN, G_CALLBACK(cb_map_zoomin),
150 &context, _("Zoom in"));
151 gtk_box_pack_start(GTK_BOX(vbox), context.zoomin, FALSE, FALSE, 0);
152
153 context.zoomout =
154 map_add_button(GTK_STOCK_ZOOM_OUT, G_CALLBACK(cb_map_zoomout),
155 &context, _("Zoom out"));
156 gtk_box_pack_start(GTK_BOX(vbox), context.zoomout, FALSE, FALSE, 0);
157
158 context.gps =
159 map_add_button(GTK_STOCK_HOME, G_CALLBACK(cb_map_gps),
160 &context, _("Jump to GPS position"));
161 gtk_widget_set_sensitive(context.gps, FALSE);
162 /* install handler for timed updates of the gps button */
163 context.handler_id = gtk_timeout_add(1000, map_gps_update, &context);
164 gtk_box_pack_start(GTK_BOX(vbox), context.gps, FALSE, FALSE, 0);
165
166 gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
167
168 gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox);
169
170 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_CLOSE);
171
172 gtk_widget_show_all(dialog);
173
174 gtk_dialog_run(GTK_DIALOG(dialog));
175
176 gtk_widget_destroy(dialog);
177
178 }