Add const to places.

Note that I did NOT add const to non-pointer/non-reference arguments
in function declarations (without a following definition), as they do
not mean anything there.

1 files changed, 17 insertions, 18 deletions

diff --git a/c/episodelistview.cpp b/c/episodelistview.cpp
index 01b4c1a..4196062 100644
--- a/c/episodelistview.cpp
+++ b/c/episodelistview.cpp
@@ -13,7 +13,7 @@
 extern DataListView *g_lpDlv;
 int CALLBACK ElvSort(LPARAM, LPARAM, LPARAM);
 
-EpisodeListView::EpisodeListView(HWND hWndParent)
+EpisodeListView::EpisodeListView(const HWND hWndParent)
 	: ListView(hWndParent, (HMENU)IDC_EPISODELISTVIEW, 0)
 {
 	LVCOLUMN lvc;
@@ -45,14 +45,14 @@ void EpisodeListView::DoSort()
 
 void EpisodeListView::EnsureFocusVisible()
 {
-	int iEpFocus = ListView_GetNextItem(m_hWnd, -1, LVNI_FOCUSED);
+	const int iEpFocus = ListView_GetNextItem(m_hWnd, -1, LVNI_FOCUSED);
 	if (iEpFocus == -1) return;
 	ListView_EnsureVisible(m_hWnd, iEpFocus, TRUE);
 }
 
-LRESULT EpisodeListView::HandleNotify(LPARAM lParam)
+LRESULT EpisodeListView::HandleNotify(const LPARAM lParam)
 {
-	LPNMLISTVIEW lpNmLv = (LPNMLISTVIEW)lParam;
+	const LPNMLISTVIEW lpNmLv = (LPNMLISTVIEW)lParam;
 
 	switch (lpNmLv->hdr.code) {
 	case LVN_ITEMCHANGED:	/* Select/focus episode. */
@@ -66,7 +66,7 @@ LRESULT EpisodeListView::HandleNotify(LPARAM lParam)
 		break;
 	case LVN_COLUMNCLICK:	/* Sort by column. */
 	    {
-		int iColumn = lpNmLv->iSubItem+1;
+		const int iColumn = lpNmLv->iSubItem+1;
 		m_iSort = abs(m_iSort) == iColumn? -m_iSort: iColumn;
 		Pl("cfg","set_sort",m_iSort);
 		DoSort();
@@ -75,7 +75,7 @@ LRESULT EpisodeListView::HandleNotify(LPARAM lParam)
 	    }
 	case LVN_KEYDOWN:	/* Navigate episodes by keyboard. */
 	    {
-		LPNMLVKEYDOWN lpNmLvKd = (LPNMLVKEYDOWN)lParam;
+		const LPNMLVKEYDOWN lpNmLvKd = (LPNMLVKEYDOWN)lParam;
 		switch (lpNmLvKd->wVKey) {
 		case VK_LEFT:
 			SelectUnwatched(-1);
@@ -88,7 +88,7 @@ LRESULT EpisodeListView::HandleNotify(LPARAM lParam)
 	    }
 	case NM_CUSTOMDRAW:	/* Make unwatched episodes bold. */
 	    {
-		LPNMLVCUSTOMDRAW lpLvCd = (LPNMLVCUSTOMDRAW)lParam;
+		const LPNMLVCUSTOMDRAW lpLvCd = (LPNMLVCUSTOMDRAW)lParam;
 		switch (lpLvCd->nmcd.dwDrawStage) {
 		case CDDS_PREPAINT:
 			return CDRF_NOTIFYITEMDRAW;
@@ -131,7 +131,7 @@ LRESULT EpisodeListView::HandleNotify(LPARAM lParam)
 	case NM_RCLICK:
 	    {
 		extern HMENU g_hPopupMenu;
-		DWORD dwPos = GetMessagePos();
+		const DWORD dwPos = GetMessagePos();
 		TrackPopupMenu(g_hPopupMenu, TPM_RIGHTBUTTON,
 		    LOWORD(dwPos), HIWORD(dwPos), 0,
 		    m_hWndParent, NULL);
@@ -157,9 +157,9 @@ void EpisodeListView::SaveFocus()
 		Pl("cfg","set_focus",lvi.lParam);
 }
 
-void EpisodeListView::SetTop(int iItem)
+void EpisodeListView::SetTop(const int iItem)
 {
-	int iLast = ListView_GetItemCount(m_hWnd)-1;
+	const int iLast = ListView_GetItemCount(m_hWnd)-1;
 	ListView_EnsureVisible(m_hWnd, iLast, TRUE);
 	ListView_EnsureVisible(m_hWnd, iItem, TRUE);
 }
@@ -237,7 +237,7 @@ void EpisodeListView::SelectUnwatched(int iDir)
 
 void EpisodeListView::ShowFocus()
 {
-	int iEpFocus = ListView_GetNextItem(m_hWnd, -1, LVNI_FOCUSED);
+	const int iEpFocus = ListView_GetNextItem(m_hWnd, -1, LVNI_FOCUSED);
 	if (iEpFocus == -1) return;
 	ListView_EnsureVisible(m_hWnd, iEpFocus, TRUE);
 }
@@ -353,7 +353,7 @@ void EpisodeListView::Update()
 }
 
 /* Update episode name and rating. */
-void EpisodeListView::UpdateItem(LPLVITEM lpLvi)
+void EpisodeListView::UpdateItem(const LPLVITEM lpLvi)
 {
 	TCHAR *tszName;
 	int iRating;
@@ -375,19 +375,18 @@ r:	if (!Pl("episode_data","episode_rating",lpLvi->lParam,&iRating)) {
 	ListView_SetItemText(m_hWnd, lpLvi->iItem, ELVSIRATING, tszRating);
 }
 
-LRESULT CALLBACK EpisodeListView::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+LRESULT CALLBACK EpisodeListView::WndProc(const HWND hWnd, const UINT uMsg,
+    const WPARAM wParam, const LPARAM lParam)
 {
 	switch (uMsg) {
 	case WM_GETDLGCODE:
 	    {
-		LRESULT lResult;
-
 		/* For the episode list view, the Enter key should not
 		 * be handled by the dialog manager, but instead be sent
 		 * along to the main window procedure, so that it may be
 		 * handled by the NM_RETURN case in ElvHandleNotify. */
 
-		lResult = CallWindowProc(m_prevProc, hWnd, uMsg, wParam, lParam);
+		const LRESULT lResult = CallWindowProc(m_prevProc, hWnd, uMsg, wParam, lParam);
 		if (lParam && ((MSG *)lParam)->message == WM_KEYDOWN
 		    && ((MSG *)lParam)->wParam == VK_RETURN)
 			return DLGC_WANTMESSAGE;
@@ -398,7 +397,7 @@ LRESULT CALLBACK EpisodeListView::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, L
 	return ListView::WndProc(hWnd, uMsg, wParam, lParam);
 }
 
-int CALLBACK ElvSort(LPARAM iItem1, LPARAM iItem2, LPARAM lExtra)
+int CALLBACK ElvSort(const LPARAM iItem1, const LPARAM iItem2, const LPARAM lExtra)
 {
 	EpisodeListView *lpElv = (EpisodeListView *)lExtra;
 
@@ -410,7 +409,7 @@ int CALLBACK ElvSort(LPARAM iItem1, LPARAM iItem2, LPARAM lExtra)
 
 	/* abs(m_iSort) is the 1-based index of the column to sort by.
 	 * If m_iSort is negative, the order is descending. */
-	int iOrder = Cmp(lpElv->m_iSort, 0);
+	const int iOrder = Cmp(lpElv->m_iSort, 0);
 
 	switch (abs(lpElv->m_iSort)-1) {
 	case ELVSIEPISODE: