hook up setMode

src/Window.zig

@@ -564,3 +564,15 @@ pub fn eraseChars(self: *Window, count: usize) !void {
 pub fn reverseIndex(self: *Window) !void {
     try self.terminal.reverseIndex(self.alloc);
 }
+
+pub fn setMode(self: *Window, mode: terminal.Mode, enabled: bool) !void {
+    switch (mode) {
+        .origin => {
+            self.terminal.mode_origin = enabled;
+            self.terminal.setCursorPos(1, 1);
+            unreachable; // TODO: implement
+        },
+
+        else => if (enabled) log.warn("unimplemented mode: {}", .{mode}),
+    }
+}

src/terminal/Terminal.zig

@@ -31,6 +31,10 @@ cols: usize,
 /// The current scrolling region.
 scrolling_region: ScrollingRegion,
 
+/// Modes
+// TODO: turn into a bitset probably
+mode_origin: bool = false,
+
 /// Screen represents a presentable terminal screen made up of lines and cells.
 const Screen = std.ArrayListUnmanaged(Line);
 const Line = std.ArrayListUnmanaged(Cell);

src/terminal/main.zig

@@ -1,15 +1,18 @@
 const stream = @import("stream.zig");
+const ansi = @import("ansi.zig");
 const csi = @import("csi.zig");
 
 pub const Terminal = @import("Terminal.zig");
 pub const Parser = @import("Parser.zig");
 pub const Stream = stream.Stream;
+pub const Mode = ansi.Mode;
 pub const EraseDisplay = csi.EraseDisplay;
 pub const EraseLine = csi.EraseLine;
 
 // Not exported because they're just used for tests.
 
 test {
+    _ = ansi;
     _ = csi;
     _ = stream;
     _ = Parser;