]> git.street.me.uk Git - andy/viking.git/blame - src/datasource_gc.c
Remove dependencies to gob2
[andy/viking.git] / src / datasource_gc.c
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1/*
2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
3 *
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 *
6 * This program 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 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program 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 this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
8aad4ca3 21#ifdef HAVE_CONFIG_H
08a1fa12 22#include "config.h"
8aad4ca3 23#endif
1ef9e637 24#ifdef VIK_CONFIG_GEOCACHES
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25#include <string.h>
26
4c77d5e0 27#include <glib/gi18n.h>
28c82d8b 28
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29#include "viking.h"
30#include "babel.h"
31#include "gpx.h"
32#include "acquire.h"
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33#include "preferences.h"
34
35/* params will be geocaching.username, geocaching.password */
36/* we have to make sure these don't collide. */
37#define VIKING_GC_PARAMS_GROUP_KEY "geocaching"
38#define VIKING_GC_PARAMS_NAMESPACE "geocaching."
39
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40
41typedef struct {
42 GtkWidget *num_spin;
43 GtkWidget *center_entry;
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44 GtkWidget *miles_radius_spin;
45
46 GdkGC *circle_gc;
47 VikViewport *vvp;
48 gboolean circle_onscreen;
49 gint circle_x, circle_y, circle_width;
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50} datasource_gc_widgets_t;
51
52
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53static gpointer datasource_gc_init ( );
54static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
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55static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type );
56static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets );
92255687 57static gchar *datasource_gc_check_existence ();
3333c069 58
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59#define METERSPERMILE 1609.344
60
3333c069 61VikDataSourceInterface vik_datasource_gc_interface = {
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62 N_("Download Geocaches"),
63 N_("Geocaching.com Caches"),
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64 VIK_DATASOURCE_SHELL_CMD,
65 VIK_DATASOURCE_ADDTOLAYER,
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66 VIK_DATASOURCE_INPUTTYPE_NONE,
67 TRUE,
65f0ccab 68 (VikDataSourceInitFunc) datasource_gc_init,
92255687 69 (VikDataSourceCheckExistenceFunc) datasource_gc_check_existence,
65f0ccab 70 (VikDataSourceAddSetupWidgetsFunc) datasource_gc_add_setup_widgets,
3333c069 71 (VikDataSourceGetCmdStringFunc) datasource_gc_get_cmd_string,
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72 (VikDataSourceProgressFunc) NULL,
73 (VikDataSourceAddProgressWidgetsFunc) NULL,
65f0ccab 74 (VikDataSourceCleanupFunc) datasource_gc_cleanup
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75};
76
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77static VikLayerParam prefs[] = {
78 { VIKING_GC_PARAMS_NAMESPACE "username", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com username:"), VIK_LAYER_WIDGET_ENTRY },
79 { VIKING_GC_PARAMS_NAMESPACE "password", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com password:"), VIK_LAYER_WIDGET_ENTRY },
80};
81
82void a_datasource_gc_init()
83{
84 a_preferences_register_group ( VIKING_GC_PARAMS_GROUP_KEY, "Geocaching" );
85
86 VikLayerParamData tmp;
87 tmp.s = "username";
88 a_preferences_register(prefs, tmp, VIKING_GC_PARAMS_GROUP_KEY);
89 tmp.s = "password";
90 a_preferences_register(prefs+1, tmp, VIKING_GC_PARAMS_GROUP_KEY);
91}
92
93
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94static gpointer datasource_gc_init ( )
95{
96 datasource_gc_widgets_t *widgets = g_malloc(sizeof(*widgets));
97 return widgets;
98}
99
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100static gchar *datasource_gc_check_existence ()
101{
102 gchar *gcget_location = g_find_program_in_path("gcget");
103 if ( gcget_location ) {
104 g_free(gcget_location);
105 return NULL;
106 }
4c77d5e0 107 return g_strdup(_("Can't find gcget in path! Check that you have installed gcget correctly."));
92255687 108}
3333c069 109
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110static void datasource_gc_draw_circle ( datasource_gc_widgets_t *widgets )
111{
112 gdouble lat, lon;
113 if ( widgets->circle_onscreen ) {
114 vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
115 widgets->circle_x - widgets->circle_width/2,
116 widgets->circle_y - widgets->circle_width/2,
117 widgets->circle_width, widgets->circle_width, 0, 360*64 );
118 }
119 /* calculate widgets circle_x and circle_y */
120 /* split up lat,lon into lat and lon */
121 if ( 2 == sscanf ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), "%lf,%lf", &lat, &lon ) ) {
122 struct LatLon ll;
123 VikCoord c;
124 gint x, y;
125
126 ll.lat = lat; ll.lon = lon;
127 vik_coord_load_from_latlon ( &c, vik_viewport_get_coord_mode ( widgets->vvp ), &ll );
128 vik_viewport_coord_to_screen ( widgets->vvp, &c, &x, &y );
129 /* TODO: real calculation */
130 if ( x > -1000 && y > -1000 && x < (vik_viewport_get_width(widgets->vvp) + 1000) &&
131 y < (vik_viewport_get_width(widgets->vvp) + 1000) ) {
132 VikCoord c1, c2;
133 gdouble pixels_per_meter;
134
135 widgets->circle_x = x;
136 widgets->circle_y = y;
137
138 /* determine miles per pixel */
139 vik_viewport_screen_to_coord ( widgets->vvp, 0, vik_viewport_get_height(widgets->vvp)/2, &c1 );
140 vik_viewport_screen_to_coord ( widgets->vvp, vik_viewport_get_width(widgets->vvp), vik_viewport_get_height(widgets->vvp)/2, &c2 );
141 pixels_per_meter = ((gdouble)vik_viewport_get_width(widgets->vvp)) / vik_coord_diff(&c1, &c2);
142
143 /* this is approximate */
144 widgets->circle_width = gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) )
145 * METERSPERMILE * pixels_per_meter * 2;
146
147 vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
148 widgets->circle_x - widgets->circle_width/2,
149 widgets->circle_y - widgets->circle_width/2,
150 widgets->circle_width, widgets->circle_width, 0, 360*64 );
151
152 widgets->circle_onscreen = TRUE;
153 } else
154 widgets->circle_onscreen = FALSE;
155 }
156
157 /* see if onscreen */
158 /* okay */
159 vik_viewport_sync ( widgets->vvp );
160}
161
65f0ccab 162static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
3333c069 163{
65f0ccab 164 datasource_gc_widgets_t *widgets = (datasource_gc_widgets_t *)user_data;
28c82d8b 165 GtkWidget *num_label, *center_label, *miles_radius_label;
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166 struct LatLon ll;
167 gchar *s_ll;
168
4c77d5e0 169 num_label = gtk_label_new (_("Number geocaches:"));
3333c069 170 widgets->num_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 100, 1, 1000, 10, 20, 50 )), 25, 0 );
4c77d5e0 171 center_label = gtk_label_new (_("Centered around:"));
3333c069 172 widgets->center_entry = gtk_entry_new();
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173 miles_radius_label = gtk_label_new ("Miles Radius:");
174 widgets->miles_radius_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 100, 1, 1000, 5, 20, 50 )), 25, 2 );
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175
176 vik_coord_to_latlon ( vik_viewport_get_center(vvp), &ll );
177 s_ll = g_strdup_printf("%f,%f", ll.lat, ll.lon );
178 gtk_entry_set_text ( GTK_ENTRY(widgets->center_entry), s_ll );
179 g_free ( s_ll );
180
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181
182 widgets->vvp = vvp;
183 widgets->circle_gc = vik_viewport_new_gc ( vvp, "#000000", 3 );
184 gdk_gc_set_function ( widgets->circle_gc, GDK_INVERT );
185 widgets->circle_onscreen = FALSE;
186 datasource_gc_draw_circle ( widgets );
187
188 g_signal_connect_swapped ( G_OBJECT(widgets->center_entry), "changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
189 g_signal_connect_swapped ( G_OBJECT(widgets->miles_radius_spin), "value-changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
190
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191 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), num_label, FALSE, FALSE, 5 );
192 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->num_spin, FALSE, FALSE, 5 );
193 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), center_label, FALSE, FALSE, 5 );
194 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->center_entry, FALSE, FALSE, 5 );
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195 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), miles_radius_label, FALSE, FALSE, 5 );
196 gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->miles_radius_spin, FALSE, FALSE, 5 );
3333c069 197 gtk_widget_show_all(dialog);
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198}
199
28c82d8b 200static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type )
3333c069 201{
92255687 202 gchar *safe_string = g_shell_quote ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ) );
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203 gchar *safe_user = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "username")->s );
204 gchar *safe_pass = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "password")->s );
f2643f9e 205 *cmd = g_strdup_printf( "gcget -u %s -p -- %s %s %d %.2lf", safe_user, safe_pass, safe_string,
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206 gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ),
207 gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) ) );
208 *input_file_type = NULL;
92255687 209 g_free ( safe_string );
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210 g_free ( safe_user );
211 g_free ( safe_pass );
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212}
213
28c82d8b 214static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets )
3333c069 215{
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216 if ( widgets->circle_onscreen ) {
217 vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
218 widgets->circle_x - widgets->circle_width/2,
219 widgets->circle_y - widgets->circle_width/2,
220 widgets->circle_width, widgets->circle_width, 0, 360*64 );
221 vik_viewport_sync( widgets->vvp );
222 }
223 g_free ( widgets );
3333c069 224}
1ef9e637 225#endif /* VIK_CONFIG_GEOCACHES */