Added function to clear the listStore

src/main.c

@@ -16,6 +16,9 @@ int main(int argc, char *argv[])
 	mdiary_scan_to_store(argv[1], mainWindow->entryListStore, mainWindow->completionListStore);
 	mainWindow_set_meta_information(mainWindow, mdiary_get_time_earliest(), mdiary_get_time_latest(), FALSE);
 
+	mainWindow_set_meta_information(mainWindow, mdiary_get_time_earliest(), mdiary_get_time_latest(), TRUE);
+	mdiary_reset_store(mainWindow->entryListStore, mainWindow->completionListStore);
+
 	gtk_main();
 
 	return 0;

src/mainwindow.c

@@ -475,7 +475,7 @@ void mainWindow_set_meta_information(struct mainWindow *mainWindow,
 	mainWindow->time_earliest = time_earliest;
 	mainWindow->time_latest   = time_latest;
 	mainWindow->filterSettings.hide_all = hide_all;
-
+	gtk_widget_set_sensitive(mainWindow->mainPane, !hide_all);
 	mainWindow_clearSearch(NULL, mainWindow);
 }
 

src/mdiary.c

@@ -500,3 +500,37 @@ void mdiary_add_entry_to_store(GtkListStore *entryListStore,
 				   -1);
 	}
 }
+
+/**
+ * @brief mdiary_free_entry_elements frees all non-GtkListView-managed parts of the mdiary entry
+ * @param model
+ * @param path
+ * @param iter
+ * @param data
+ * @return FALSE
+ */
+gboolean mdiary_free_entry_elements(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) {
+	gpointer ptr;
+
+	gtk_tree_model_get(model, iter, COL_TAGLIST, &ptr, -1);
+	g_list_free_full((GList *)ptr, g_free);
+
+	gtk_tree_model_get(model, iter, COL_TIMESTAMP, &ptr, -1);
+	g_date_time_unref((GDateTime *)ptr);
+
+	return FALSE;
+}
+
+/**
+ * @brief mdiary_reset_store clears the two GtkListStores and frees all of their respective elements. (Make sure that
+ *	  no other part of the program tries to access the elements of the store while executing this function.)
+ * @param entryListStore
+ * @param autoCompletion
+ */
+void mdiary_reset_store(GtkListStore *entryListStore, GtkListStore *autoCompletion)
+{
+
+	gtk_tree_model_foreach(GTK_TREE_MODEL(entryListStore), mdiary_free_entry_elements, NULL);
+	gtk_list_store_clear(entryListStore);
+	gtk_list_store_clear(autoCompletion);
+}

src/mdiary.h

@@ -28,5 +28,6 @@ GDateTime *mdiary_get_date_from_string_ext(gchar *string, gchar *prefix, gchar *
 GDateTime *mdiary_get_date_from_string(gchar *string);
 gint64 mdiary_get_time_earliest(void);
 gint64 mdiary_get_time_latest(void);
+void mdiary_reset_store(GtkListStore *entryListStore, GtkListStore *autoCompletion);
 
 #endif /* MDIARY_H */