Add layout option

This introduces a new `set` option for setting the layout to
vertical or horizontal, which previously could not be done
without creating a new window (via `split` or `vsplit`).
Now, `set layout|lay h|v` will control this without creating
a new window.

1 files changed, 6 insertions, 0 deletions

diff --git a/sam.c b/sam.c
index 3b7aaf3..0abd9e2 100644
--- a/sam.c
+++ b/sam.c
@@ -297,6 +297,7 @@ enum {
 	OPTION_SAVE_METHOD,
 	OPTION_LOAD_METHOD,
 	OPTION_CHANGE_256COLORS,
+	OPTION_LAYOUT,
 };
 
 static const OptionDef options[] = {
@@ -380,6 +381,11 @@ static const OptionDef options[] = {
 		VIS_OPTION_TYPE_BOOL,
 		VIS_HELP("Change 256 color palette to support 24bit colors")
 	},
+	[OPTION_LAYOUT] = {
+		{ "layout", "lay" },
+		VIS_OPTION_TYPE_STRING,
+		VIS_HELP("Vertical or horizontal window layout")
+	},
 };
 
 bool sam_init(Vis *vis) {