Update documentation.

Makefile.am

@@ -109,6 +109,8 @@ doc/gqpe/index.htm: $(GQPESOURCES)
 		--target-glib=2.38					\
 		--vapidir=vapi						\
 		--verbose						\
+		@CHAMPLAIN_PACKAGES@					\
+		@CLUTTER_GTK_PACKAGES@					\
 		@GEE_PACKAGES@						\
 		@GEXIV2_PACKAGES@					\
 		@GTK_PACKAGES@						\

src/application-window.vala

@@ -131,8 +131,9 @@ namespace GQPE {
         private Champlain.MarkerLayer layer;
         /* The marker. */
         private Champlain.Label marker;
-
+        /* Counter for the loader. */
         private int counter;
+        /* Updating flag. */
         private bool updating;
 
         /**
@@ -520,13 +521,14 @@ namespace GQPE {
         /* Updates the map. */
         private void update_map() {
             if (photograph.has_geolocation) {
-                update_location(photograph.latitude, photograph.longitude);
+                update_map_location(photograph.latitude, photograph.longitude);
                 on_pin_map_clicked();
             }
             marker.text = photograph.caption;
         }
 
-        private void update_location(double latitude,
+        /* Updates the map location. */
+        private void update_map_location(double latitude,
                                          double longitude) {
             if (marker != null) {
                 layer.remove_marker(marker);
@@ -538,6 +540,7 @@ namespace GQPE {
             this.longitude.value = longitude;
         }
 
+        /* Creates a new marker. */
         private Champlain.Label create_marker(double latitude,
                                               double longitude) {
             string photo_caption = (photograph != null &&
@@ -556,12 +559,13 @@ namespace GQPE {
             return marker;
         }
 
+        /* Map button release callback. */
         private bool map_button_release(Clutter.ButtonEvent event) {
             double latitude  = view.y_to_latitude(event.y);
             double longitude = view.x_to_longitude(event.x);
 
             if (event.button == 1) {
-                update_location(latitude, longitude);
+                update_map_location(latitude, longitude);
                 photograph.latitude = this.latitude.value;
                 photograph.longitude = this.longitude.value;
                 enable_ui(Item.PIN_MAP);

src/photograph.vala

@@ -148,15 +148,6 @@ namespace GQPE {
             update_data();
         }
 
-        private void update_data() {
-            album = (metadata.has_tag(Tag.SUBJECT)) ?
-                metadata.get_tag_string(Tag.SUBJECT).strip() : "";
-            caption = (metadata.has_tag(Tag.CAPTION)) ?
-                metadata.get_tag_string(Tag.CAPTION).strip() : "";
-            comment = (metadata.has_tag(Tag.DESCRIPTION)) ?
-                metadata.get_tag_string(Tag.DESCRIPTION).strip() : "";
-        }
-
         /**
          * Resizes the photograph so it fills the given width and height.
          * @param width the width.
@@ -244,6 +235,16 @@ namespace GQPE {
             metadata.save_file(file.get_path());
         }
 
+        /* Updates the data from the metadata. */
+        private void update_data() {
+            album = (metadata.has_tag(Tag.SUBJECT)) ?
+                metadata.get_tag_string(Tag.SUBJECT).strip() : "";
+            caption = (metadata.has_tag(Tag.CAPTION)) ?
+                metadata.get_tag_string(Tag.CAPTION).strip() : "";
+            comment = (metadata.has_tag(Tag.DESCRIPTION)) ?
+                metadata.get_tag_string(Tag.DESCRIPTION).strip() : "";
+        }
+
         /* Updates the text tags. */
         private void update_text_tags() throws GLib.Error {
             metadata.clear_tag(Tag.SUBJECT);

src/tag.vala

@@ -22,7 +22,7 @@ namespace GQPE {
     /**
      * Constants for the used tags.
      */
-    private class Tag {
+    public class Tag {
 
         /**
          * Orientation tag.