Improve structure.

1 files changed, 27 insertions, 20 deletions

diff --git a/c/episodelistview.cpp b/c/episodelistview.cpp
index ec8ab69..3856ce0 100644
--- a/c/episodelistview.cpp
+++ b/c/episodelistview.cpp
@@ -32,6 +32,7 @@ EpisodeListView::EpisodeListView(const HWND hWndParent)
 	lvc.cx = Dpi(30);
 	ListView_InsertColumn(hWnd, ELVSIRATING, &lvc);
 
+	/* Get saved sort-by-column setting. */
 	if (!Pl("cfg","get_sort",&m_iSortCol))
 		m_iSortCol = 1;
 }
@@ -39,8 +40,8 @@ EpisodeListView::EpisodeListView(const HWND hWndParent)
 void EpisodeListView::EnsureFocusVisible()
 {
 	const int iEpFocus = ListView_GetNextItem(hWnd, -1, LVNI_FOCUSED);
-	if (iEpFocus == -1) return;
-	ListView_EnsureVisible(hWnd, iEpFocus, TRUE);
+	if (iEpFocus != -1)
+		ListView_EnsureVisible(hWnd, iEpFocus, TRUE);
 }
 
 LRESULT EpisodeListView::HandleNotify(const LPARAM lParam)
@@ -49,22 +50,26 @@ LRESULT EpisodeListView::HandleNotify(const LPARAM lParam)
 
 	switch (nm->hdr.code) {
 	case LVN_ITEMCHANGED:	/* Select/focus episode. */
-		if ((nm->uChanged & LVIF_STATE) &&
-		    (nm->uNewState & LVIS_FOCUSED)) {
+		if ((nm->uChanged & LVIF_STATE) && (nm->uNewState & LVIS_FOCUSED)) {
 			extern DataListView* const g_dlv;
 			UpdateItem(nm->iItem, nm->lParam);
 			g_dlv->ShowEpisode(nm->lParam);
 		}
-		break;
+		return 0;
+
 	case LVN_COLUMNCLICK:	/* Sort by column. */
 	    {
-		const int iColumn = nm->iSubItem+1;
-		m_iSortCol = abs(m_iSortCol) == iColumn? -m_iSortCol: iColumn;
+		const int iCol = nm->iSubItem+1;
+
+		/* The sign of m_iSortCol decides the sort order. */
+		m_iSortCol = abs(m_iSortCol) == iCol? -m_iSortCol: iCol;
+
 		Pl("cfg","set_sort",m_iSortCol);
 		Sort();
 		ShowFocus();
-		break;
+		return 0;
 	    }
+
 	case LVN_KEYDOWN:	/* Navigate episodes by keyboard. */
 	    {
 		const NMLVKEYDOWN *const nm = reinterpret_cast<NMLVKEYDOWN*>(lParam);
@@ -76,8 +81,9 @@ LRESULT EpisodeListView::HandleNotify(const LPARAM lParam)
 			SelectUnwatched(1);
 			break;
 		}
-		break;
+		return 0;
 	    }
+
 	case NM_CUSTOMDRAW:	/* Make unwatched episodes bold. */
 	    {
 		const NMLVCUSTOMDRAW* const nm = reinterpret_cast<NMLVCUSTOMDRAW*>(lParam);
@@ -86,45 +92,46 @@ LRESULT EpisodeListView::HandleNotify(const LPARAM lParam)
 			return CDRF_NOTIFYITEMDRAW;
 			break;
 		case CDDS_ITEMPREPAINT:
-		    {
-			extern HFONT g_hfBold;
 			if (!Pl("track_episodes","watched",nm->nmcd.lItemlParam)) {
+				extern HFONT g_hfBold;
 				Require(SelectObject(nm->nmcd.hdc, g_hfBold));
 				return CDRF_NEWFONT;
 			}
 			break;
-		    }
 		}
-		break;
+		return 0;
 	    }
+
 	case NM_DBLCLK:		/* Open clicked episode. */
 	    {
 		LVITEM lvi = {LVIF_PARAM, -1};
 		if (FindNextItem(&lvi, LVNI_FOCUSED))
 			Pl("local_episodes","open_episode_locally",lvi.lParam)
 			|| Pl("local_episodes","open_episode_online",lvi.lParam);
-		break;
+		return 0;
 	    }
+
 	case NM_RETURN:		/* Open all selected episodes. */
 	    {
 		LVITEM lvi = {LVIF_PARAM, -1};
 		while (FindNextItem(&lvi, LVNI_SELECTED))
 			Pl("local_episodes","open_episode_locally",lvi.lParam)
 			|| Pl("local_episodes","open_episode_online",lvi.lParam);
-		break;
+		return 0;
 	    }
+
 	case NM_RCLICK:
 	    {
 		extern HMENU g_hMenuPopup;
 		const DWORD pos = GetMessagePos();
 		Require(TrackPopupMenu(g_hMenuPopup, TPM_RIGHTBUTTON,
-		    LOWORD(pos), HIWORD(pos), 0,
-		    m_hWndParent, nullptr));
-		break;
+		    LOWORD(pos), HIWORD(pos), 0, m_hWndParent, nullptr));
+		return 0;
 	    }
-	}
 
-	return 0;
+	default:
+		return 0;
+	}
 }
 
 void EpisodeListView::Redraw()