Added timestamp sorting for date field

glade/mainWindow.glade

@@ -10,6 +10,8 @@
       <column type="gchararray"/>
       <!-- column-name Tags -->
       <column type="gchararray"/>
+      <!-- column-name Timestamp -->
+      <column type="guint"/>
     </columns>
   </object>
   <object class="GtkTextBuffer" id="entryTextBuffer">

src/mainwindow.c

@@ -4,10 +4,31 @@ enum {
 	COL_TITLE = 0,
 	COL_DATE,
 	COL_TAGS,
+	COL_TIMESTAMP,
 	COL_COUNT
 };
 
-static void mainWindow_test_treeView(struct mainWindow *mainWindow)
+static gint
+mainWindow_sort_date_compare_func(GtkTreeModel *model,
+				  GtkTreeIter  *a,
+				  GtkTreeIter  *b,
+				  gpointer      userdata)
+{
+	guint time1, time2;
+
+	gtk_tree_model_get(model, a, COL_TIMESTAMP, &time1, -1);
+	gtk_tree_model_get(model, b, COL_TIMESTAMP, &time2, -1);
+
+	if (time1 == time2)
+		return 0;
+	else if (time1 > time2)
+		return 1;
+	else
+		return -1;
+}
+
+
+static void mainWindow_configure_treeView(struct mainWindow *mainWindow)
 {
 	GtkCellRenderer *renderer;
 	GtkTreeIter iter;
@@ -35,33 +56,35 @@ static void mainWindow_test_treeView(struct mainWindow *mainWindow)
 	gtk_tree_view_column_set_resizable(col, 1);
 	gtk_tree_view_column_set_sort_column_id(col, COL_TAGS);
 
-	/*gtk_tree_sortable_set_sort_func(sortable, COL_DATE, mainWindow_sort_date_compare_func,
+	sortable = GTK_TREE_SORTABLE(mainWindow->entryListStore);
-					GINT_TO_POINTER(COL_DATE), NULL);*/
+	gtk_tree_sortable_set_sort_func(sortable, COL_DATE, mainWindow_sort_date_compare_func,
+					GINT_TO_POINTER(COL_DATE), NULL);
+	gtk_tree_sortable_set_sort_column_id(sortable, COL_DATE, GTK_SORT_DESCENDING);
 
 	/*
 	 * Code just for debugging - some test values
 	 */
 	gtk_list_store_append(mainWindow->entryListStore, &iter);
-	gtk_list_store_set (mainWindow->entryListStore, &iter,
+	gtk_list_store_set(mainWindow->entryListStore, &iter,
-			    COL_TITLE, "ZA Test entry longer title",
+			   COL_TITLE, "ZA Test entry longer title",
-			    COL_DATE, "2016-05-12",
+			   COL_DATE, "Weekday, Month nth Year hh:mm",
-			    COL_TAGS, "X",
+			   COL_TAGS, "X",
-			    -1);
+			   COL_TIMESTAMP, 123,
+			   -1);
 	gtk_list_store_append(mainWindow->entryListStore, &iter);
-	gtk_list_store_set (mainWindow->entryListStore, &iter,
+	gtk_list_store_set(mainWindow->entryListStore, &iter,
-			    COL_TITLE, "baz",
+			   COL_TITLE, "baz",
-			    COL_DATE, "2016-11-22",
+			   COL_DATE, "Mayday, July 8th 1234",
-			    COL_TAGS, "A",
+			   COL_TAGS, "A",
-			    -1);
+			   COL_TIMESTAMP, 555,
+			   -1);
 	gtk_list_store_append(mainWindow->entryListStore, &iter);
-	gtk_list_store_set (mainWindow->entryListStore, &iter,
+	gtk_list_store_set(mainWindow->entryListStore, &iter,
-			    COL_TITLE, "Foo",
+			   COL_TITLE, "Foo",
-			    COL_DATE, "1998-12-03",
+			   COL_DATE, "Sunday, Movember 1337",
-			    COL_TAGS, "F",
+			   COL_TAGS, "F",
-			    -1);
+			   COL_TIMESTAMP, 11,
-
+			   -1);
-	sortable = GTK_TREE_SORTABLE(mainWindow->entryListStore);
-	gtk_tree_sortable_set_sort_column_id(sortable, COL_DATE, GTK_SORT_DESCENDING);
 }
 
 struct mainWindow *mainWindow_new()
@@ -85,7 +108,7 @@ struct mainWindow *mainWindow_new()
 
 	g_object_unref(G_OBJECT(builder));
 
-	mainWindow_test_treeView(mainWindow);
+	mainWindow_configure_treeView(mainWindow);
 
 	return mainWindow;
 }

src/mainwindow.h

@@ -17,4 +17,4 @@ struct mainWindow {
 
 struct mainWindow *mainWindow_new();
 
-#endif // MAINWINDOW_H
+#endif /* MAINWINDOW_H */