Added function scrollview

1 files changed, 19 insertions, 0 deletions

diff --git a/dwm.c b/dwm.c
index 6e54eff..97cf3c5 100644
--- a/dwm.c
+++ b/dwm.c
@@ -262,6 +262,7 @@ static void updatetitle(Client *c);
 static void updatewindowtype(Client *c);
 static void updatewmhints(Client *c);
 static void view(const Arg *arg);
+static void scrollview(const Arg *arg);
 static Client *wintoclient(Window w);
 static Monitor *wintomon(Window w);
 static Client *wintosystrayicon(Window w);
@@ -2408,6 +2409,24 @@ view(const Arg *arg)
 	arrange(selmon);
 }
 
+void
+scrollview(const Arg *arg)
+{
+	int ui = 0;
+	if (arg->i < 0)
+		ui = selmon->tagset[selmon->seltags] >> 1;
+	else if (arg->i > 0)
+		ui = selmon->tagset[selmon->seltags] << 1;
+
+	if ((ui & TAGMASK) == 0 || (ui & TAGMASK) == selmon->tagset[selmon->seltags])
+		return;
+	selmon->seltags ^= 1; /* toggle sel tagset */
+	if (ui & TAGMASK)
+		selmon->tagset[selmon->seltags] = ui;
+	focus(NULL);
+	arrange(selmon);
+}
+
 Client *
 wintoclient(Window w)
 {