hook up insertLines

src/Window.zig

@@ -561,6 +561,10 @@ pub fn eraseChars(self: *Window, count: usize) !void {
     try self.terminal.eraseChars(self.alloc, count);
 }
 
+pub fn insertLines(self: *Window, count: usize) !void {
+    try self.terminal.insertLines(self.alloc, count);
+}
+
 pub fn deleteLines(self: *Window, count: usize) !void {
     self.terminal.deleteLines(self.alloc, count);
 }

src/terminal/stream.zig

@@ -195,6 +195,14 @@ pub fn Stream(comptime Handler: type) type {
                     },
                 ) else log.warn("unimplemented CSI callback: {}", .{action}),
 
+                // IL - Insert Lines
+                // TODO: test
+                'L' => if (@hasDecl(T, "insertLines")) switch (action.params.len) {
+                    0 => try self.handler.insertLines(1),
+                    1 => try self.handler.insertLines(action.params[0]),
+                    else => log.warn("invalid IL command: {}", .{action}),
+                } else log.warn("unimplemented CSI callback: {}", .{action}),
+
                 // DL - Delete Lines
                 // TODO: test
                 'M' => if (@hasDecl(T, "deleteLines")) switch (action.params.len) {