Changeset 3320

Timestamp:

11/01/07 17:21:18 (6 years ago)

Author:

chris

Message:

• src/worldclock-main.c: (map_button_press_event_cb), (main): Use a static map and add code to find the nearest timezone to where the user clicks

Location:

trunk/src/target/OM-2007.2/applications/openmoko-worldclock2

Files:

• ChangeLog (modified) (1 diff)
• src/worldclock-main.c (modified) (3 diffs)

trunk/src/target/OM-2007.2/applications/openmoko-worldclock2/ChangeLog

@@ +1 @@
+2007-11-01  Chris Lord  <chris@openedhand.com>
+
+        * src/worldclock-main.c: (map_button_press_event_cb), (main):
+        Use a static map and add code to find the nearest timezone to where the
+        user clicks
+
 2007-10-31  Chris Lord  <chris@openedhand.com>
 

trunk/src/target/OM-2007.2/applications/openmoko-worldclock2/src/worldclock-main.c

@@ -25 +25 @@
 #include <time.h>
 #include <sys/time.h>
+#include <math.h>
 #include "worldclock-data.h"
 
@@ -269 +270 @@
                            WorldClockData *data)
 {
-        gdouble lat, lon;
+        GList *markers, *m;
+        gdouble lat, lon, old_distance;
+        JanaGtkWorldMapMarker *marker;
         
         jana_gtk_world_map_get_latlon (map, event->x, event->y, &lat, &lon);
-        g_message ("Map clicked at latitude, longitude: %lg, %lg", lat, lon);
+        markers = jana_gtk_world_map_get_markers (map);
+        
+        marker = NULL;
+        old_distance = G_MAXDOUBLE;
+        for (m = markers; m; m = m->next) {
+                gdouble distance;
+                JanaGtkWorldMapMarker *marker2 =
+                        (JanaGtkWorldMapMarker *)m->data;
+                
+                distance = sqrt (pow (marker2->lat - lat, 2) +
+                        pow (marker2->lon - lon, 2));
+                if (distance < old_distance) {
+                        marker = marker2;
+                        old_distance = distance;
+                }
+        }
+        
+        if (marker) {
+                WorldClockZoneData *tzdata = (WorldClockZoneData *)
+                        g_object_get_data (G_OBJECT (marker), "zone");
+                g_debug ("Nearest location: %s", tzdata->name);
+        }
+        
+        g_list_free (markers);
         
         return FALSE;
@@ -321 +347 @@
         /* Create scrolling map */
         data.map = jana_gtk_world_map_new ();
+        jana_gtk_world_map_set_width (JANA_GTK_WORLD_MAP (data.map), 2048);
+        jana_gtk_world_map_set_height (JANA_GTK_WORLD_MAP (data.map), 1024);
+        jana_gtk_world_map_set_static (JANA_GTK_WORLD_MAP (data.map), TRUE);
         add_marks (&data);
         gtk_widget_add_events (GTK_WIDGET (data.map), GDK_BUTTON_PRESS_MASK);