X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/92255687a1ef4a2e04ca0f024711d0732ebd8b7f..de2fc9aa9e8db8e0258c8328161c6b5eda176a0a:/src/datasource_gc.c

diff --git a/src/datasource_gc.c b/src/datasource_gc.c
index 35e55c5c..21d653bf 100644
--- a/src/datasource_gc.c
+++ b/src/datasource_gc.c
@@ -18,37 +18,85 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#ifdef VIK_CONFIG_GEOCACHES
 #include <string.h>
 
+#include <glib/gi18n.h>
+
 #include "viking.h"
 #include "babel.h"
 #include "gpx.h"
 #include "acquire.h"
+#include "preferences.h"
+
+/* params will be geocaching.username, geocaching.password */
+/* we have to make sure these don't collide. */
+#define VIKING_GC_PARAMS_GROUP_KEY "geocaching"
+#define VIKING_GC_PARAMS_NAMESPACE "geocaching."
+
 
 typedef struct {
   GtkWidget *num_spin;
   GtkWidget *center_entry;
+  GtkWidget *miles_radius_spin;
+
+  GdkGC *circle_gc;
+  VikViewport *vvp;
+  gboolean circle_onscreen;
+  gint circle_x, circle_y, circle_width;
 } datasource_gc_widgets_t;
 
 
-static gpointer datasource_gc_add_widgets ( GtkWidget *dialog, VikViewport *vvp );
-static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_type );	
-static void datasource_gc_first_cleanup ( gpointer data );
+static gpointer datasource_gc_init ( );
+static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
+static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type );	
+static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets );
 static gchar *datasource_gc_check_existence ();
 
+#define METERSPERMILE 1609.344
+
 VikDataSourceInterface vik_datasource_gc_interface = {
-  "Acquire from gc",
+  N_("Download Geocaches"),
+  N_("Geocaching.com Caches"),
   VIK_DATASOURCE_SHELL_CMD,
   VIK_DATASOURCE_ADDTOLAYER,
+  VIK_DATASOURCE_INPUTTYPE_NONE,
+  TRUE,
+  (VikDataSourceInitFunc)		datasource_gc_init,
   (VikDataSourceCheckExistenceFunc)	datasource_gc_check_existence,
-  (VikDataSourceAddWidgetsFunc)		datasource_gc_add_widgets,
+  (VikDataSourceAddSetupWidgetsFunc)	datasource_gc_add_setup_widgets,
   (VikDataSourceGetCmdStringFunc)	datasource_gc_get_cmd_string,
-  (VikDataSourceFirstCleanupFunc)	datasource_gc_first_cleanup,
   (VikDataSourceProgressFunc)		NULL,
   (VikDataSourceAddProgressWidgetsFunc)	NULL,
-  (VikDataSourceCleanupFunc)		NULL
+  (VikDataSourceCleanupFunc)		datasource_gc_cleanup
 };
 
+static VikLayerParam prefs[] = {
+  { VIKING_GC_PARAMS_NAMESPACE "username", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com username:"), VIK_LAYER_WIDGET_ENTRY },
+  { VIKING_GC_PARAMS_NAMESPACE "password", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("geocaching.com password:"), VIK_LAYER_WIDGET_ENTRY },
+};
+
+void a_datasource_gc_init()
+{
+  a_preferences_register_group ( VIKING_GC_PARAMS_GROUP_KEY, "Geocaching" );
+
+  VikLayerParamData tmp;
+  tmp.s = "username";
+  a_preferences_register(prefs, tmp, VIKING_GC_PARAMS_GROUP_KEY);
+  tmp.s = "password";
+  a_preferences_register(prefs+1, tmp, VIKING_GC_PARAMS_GROUP_KEY);
+}
+
+
+static gpointer datasource_gc_init ( )
+{
+  datasource_gc_widgets_t *widgets = g_malloc(sizeof(*widgets));
+  return widgets;
+}
+
 static gchar *datasource_gc_check_existence ()
 {
   gchar *gcget_location = g_find_program_in_path("gcget");
@@ -56,44 +104,122 @@ static gchar *datasource_gc_check_existence ()
     g_free(gcget_location);
     return NULL;
   }
-  return g_strdup("Can't find gcget in path! Check that you have installed gcget correctly.");
+  return g_strdup(_("Can't find gcget in path! Check that you have installed gcget correctly."));
 }
 
-static gpointer datasource_gc_add_widgets ( GtkWidget *dialog, VikViewport *vvp )
+static void datasource_gc_draw_circle ( datasource_gc_widgets_t *widgets )
 {
-  datasource_gc_widgets_t *widgets = g_malloc(sizeof(*widgets));
-  GtkWidget *num_label, *center_label;
+  gdouble lat, lon;
+  if ( widgets->circle_onscreen ) {
+    vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
+		widgets->circle_x - widgets->circle_width/2,
+		widgets->circle_y - widgets->circle_width/2,
+		widgets->circle_width, widgets->circle_width, 0, 360*64 );
+  }
+  /* calculate widgets circle_x and circle_y */
+  /* split up lat,lon into lat and lon */
+  if ( 2 == sscanf ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ), "%lf,%lf", &lat, &lon ) ) {
+    struct LatLon ll;
+    VikCoord c;
+    gint x, y;
+
+    ll.lat = lat; ll.lon = lon;
+    vik_coord_load_from_latlon ( &c, vik_viewport_get_coord_mode ( widgets->vvp ), &ll );
+    vik_viewport_coord_to_screen ( widgets->vvp, &c, &x, &y );
+    /* TODO: real calculation */
+    if ( x > -1000 && y > -1000 && x < (vik_viewport_get_width(widgets->vvp) + 1000) &&
+	y < (vik_viewport_get_width(widgets->vvp) + 1000) ) {
+      VikCoord c1, c2;
+      gdouble pixels_per_meter;
+
+      widgets->circle_x = x;
+      widgets->circle_y = y;
+
+      /* determine miles per pixel */
+      vik_viewport_screen_to_coord ( widgets->vvp, 0, vik_viewport_get_height(widgets->vvp)/2, &c1 );
+      vik_viewport_screen_to_coord ( widgets->vvp, vik_viewport_get_width(widgets->vvp), vik_viewport_get_height(widgets->vvp)/2, &c2 );
+      pixels_per_meter = ((gdouble)vik_viewport_get_width(widgets->vvp)) / vik_coord_diff(&c1, &c2);
+
+      /* this is approximate */
+      widgets->circle_width = gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) )
+		* METERSPERMILE * pixels_per_meter * 2;
+
+      vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
+		widgets->circle_x - widgets->circle_width/2,
+		widgets->circle_y - widgets->circle_width/2,
+		widgets->circle_width, widgets->circle_width, 0, 360*64 );
+
+      widgets->circle_onscreen = TRUE;
+    } else
+      widgets->circle_onscreen = FALSE;
+  }
+
+  /* see if onscreen */
+  /* okay */
+  vik_viewport_sync ( widgets->vvp );
+}
+
+static void datasource_gc_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
+{
+  datasource_gc_widgets_t *widgets = (datasource_gc_widgets_t *)user_data;
+  GtkWidget *num_label, *center_label, *miles_radius_label;
   struct LatLon ll;
   gchar *s_ll;
 
-  num_label = gtk_label_new ("Number geocaches:");
+  num_label = gtk_label_new (_("Number geocaches:"));
   widgets->num_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 100, 1, 1000, 10, 20, 50 )), 25, 0 );
-  center_label = gtk_label_new ("Centered around:");
+  center_label = gtk_label_new (_("Centered around:"));
   widgets->center_entry = gtk_entry_new();
+  miles_radius_label = gtk_label_new ("Miles Radius:");
+  widgets->miles_radius_spin = gtk_spin_button_new ( GTK_ADJUSTMENT(gtk_adjustment_new( 100, 1, 1000, 5, 20, 50 )), 25, 2 );
 
   vik_coord_to_latlon ( vik_viewport_get_center(vvp), &ll );
   s_ll = g_strdup_printf("%f,%f", ll.lat, ll.lon );
   gtk_entry_set_text ( GTK_ENTRY(widgets->center_entry), s_ll );
   g_free ( s_ll );
 
+
+  widgets->vvp = vvp;
+  widgets->circle_gc = vik_viewport_new_gc ( vvp, "#000000", 3 );
+  gdk_gc_set_function ( widgets->circle_gc, GDK_INVERT );
+  widgets->circle_onscreen = FALSE;
+  datasource_gc_draw_circle ( widgets );
+
+  g_signal_connect_swapped ( G_OBJECT(widgets->center_entry), "changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
+  g_signal_connect_swapped ( G_OBJECT(widgets->miles_radius_spin), "value-changed", G_CALLBACK(datasource_gc_draw_circle), widgets );
+
   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), num_label, FALSE, FALSE, 5 );
   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->num_spin, FALSE, FALSE, 5 );
   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), center_label, FALSE, FALSE, 5 );
   gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->center_entry, FALSE, FALSE, 5 );
+  gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), miles_radius_label, FALSE, FALSE, 5 );
+  gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), widgets->miles_radius_spin, FALSE, FALSE, 5 );
   gtk_widget_show_all(dialog);
-  return widgets;
 }
 
-static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_type )
+static void datasource_gc_get_cmd_string ( datasource_gc_widgets_t *widgets, gchar **cmd, gchar **input_file_type )
 {
-  /* TODO: we don't actually need GPSBabel... :-) */
   gchar *safe_string = g_shell_quote ( gtk_entry_get_text ( GTK_ENTRY(widgets->center_entry) ) );
-  *cmd = g_strdup_printf( "gcget %s %d", safe_string, gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ) );
-  *input_type = g_strdup("geo");
+  gchar *safe_user = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "username")->s );
+  gchar *safe_pass = g_shell_quote ( a_preferences_get ( VIKING_GC_PARAMS_NAMESPACE "password")->s );
+  *cmd = g_strdup_printf( "gcget -u %s -p -- %s %s %d %.2lf", safe_user, safe_pass, safe_string, 
+	gtk_spin_button_get_value_as_int ( GTK_SPIN_BUTTON(widgets->num_spin) ),
+	gtk_spin_button_get_value_as_float ( GTK_SPIN_BUTTON(widgets->miles_radius_spin) ) );
+  *input_file_type = NULL;
   g_free ( safe_string );
+  g_free ( safe_user );
+  g_free ( safe_pass );
 }
 
-static void datasource_gc_first_cleanup ( gpointer data )
+static void datasource_gc_cleanup ( datasource_gc_widgets_t *widgets )
 {
-  g_free ( data );
+  if ( widgets->circle_onscreen ) {
+    vik_viewport_draw_arc ( widgets->vvp, widgets->circle_gc, FALSE,
+		widgets->circle_x - widgets->circle_width/2,
+		widgets->circle_y - widgets->circle_width/2,
+		widgets->circle_width, widgets->circle_width, 0, 360*64 );
+    vik_viewport_sync( widgets->vvp );
+  }
+  g_free ( widgets );
 }
+#endif /* VIK_CONFIG_GEOCACHES */