From 3a133c4063cbb81bee9f5bc55427be75d8e584e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Sun, 24 Jul 2022 02:04:38 +0200
Subject: Use Query object in DataListView::ShowEpisode.

---
 c/datalistview.cpp    | 13 +++++++------
 c/episodelistview.cpp |  8 +++-----
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/c/datalistview.cpp b/c/datalistview.cpp
index 82b62e6..a1bb255 100644
--- a/c/datalistview.cpp
+++ b/c/datalistview.cpp
@@ -1,3 +1,4 @@
+#include <sstream>
 #include <stdio.h>
 #include <windows.h>
 #include <commctrl.h>
@@ -48,12 +49,13 @@ void DataListView::ShowEpisode(const int iEpisode)
 	lviValue.mask = LVIF_TEXT;
 
 	Frame f;
-	const term_t t = PL_new_term_refs(3);
-	if (!PL_put_integer(t,iEpisode)) return;
-	const qid_t q = PL_open_query(NULL, PL_Q_NORMAL,
-	    PL_predicate("episode_datum", 3, "episode_data"), t);
+	const int iArity = 3;
+	const term_t t = PL_new_term_refs(iArity);
+	if (!PlPut(t, iEpisode)) return;
 
-	for (int i = 0; PL_next_solution(q); i++) {
+	Query q (NULL, PL_predicate("episode_datum", iArity, "episode_data"), t);
+
+	for (int i = 0; q.NextSolution(); i++) {
 		std::basic_string<TCHAR> tstrKey;
 		std::basic_string<TCHAR> tstrValue;
 
@@ -72,7 +74,6 @@ void DataListView::ShowEpisode(const int iEpisode)
 		ListView_SetItem(hWnd, &lviValue);
 	}
 
-	PL_cut_query(q);
 	UpdateLayout();
 
 	LVFINDINFO lvfi;
diff --git a/c/episodelistview.cpp b/c/episodelistview.cpp
index 7b9653e..5de5e2e 100644
--- a/c/episodelistview.cpp
+++ b/c/episodelistview.cpp
@@ -431,21 +431,19 @@ void EpisodeListView::Update()
 void EpisodeListView::UpdateItem(const LVITEM* const pLvi)
 {
 	std::basic_string<TCHAR> tstrName;
-	int iRating;
-	static TCHAR tszRating[3];
-
 	if (!Pl("episode_data","episode_title",pLvi->lParam,&tstrName)) {
 		if (!Pl("episode_data","update_episode_data")) goto r;
-		if (!Pl("episode_data","episode_title",pLvi->lParam,&tstrName))
-			goto r;
+		if (!Pl("episode_data","episode_title",pLvi->lParam,&tstrName)) goto r;
 	}
 	ListView_SetItemText(hWnd, pLvi->iItem, ELVSITITLE, tstrName.data());
 
+	int iRating;
 r:	if (!Pl("episode_data","episode_rating",pLvi->lParam,&iRating)) {
 		ListView_SetItemText(hWnd, pLvi->iItem, ELVSIRATING, (TCHAR*)TEXT(""));
 		return;
 	}
 
+	TCHAR tszRating[3];
 	_stprintf_s(tszRating, sizeof(tszRating), TEXT("%d"), iRating);
 	ListView_SetItemText(hWnd, pLvi->iItem, ELVSIRATING, tszRating);
 }
-- 
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