feat: add spacer widget

src/tui/status/spacer.zig

@@ -0,0 +1,43 @@
+const std = @import("std");
+const tp = @import("thespian");
+const Plane = @import("renderer").Plane;
+
+const Widget = @import("../Widget.zig");
+
+plane: Plane,
+on_event: ?Widget.EventHandler,
+
+const Self = @This();
+
+pub fn create(a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
+    const self: *Self = try a.create(Self);
+    self.* = .{
+        .plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent),
+        .on_event = event_handler,
+    };
+    return Widget.to(self);
+}
+
+pub fn deinit(self: *Self, a: std.mem.Allocator) void {
+    self.plane.deinit();
+    a.destroy(self);
+}
+
+pub fn layout(_: *Self) Widget.Layout {
+    return .{ .static = 1 };
+}
+
+pub fn render(self: *Self, theme: *const Widget.Theme) bool {
+    self.plane.set_base_style(" ", theme.statusbar);
+    self.plane.erase();
+    return false;
+}
+
+pub fn receive(self: *Self, from: tp.pid_ref, m: tp.message) error{Exit}!bool {
+    var btn: u32 = 0;
+    if (try m.match(.{ "D", tp.any, tp.extract(&btn), tp.more })) {
+        if (self.on_event) |h| h.send(from, m) catch {};
+        return true;
+    }
+    return false;
+}

src/tui/status/widget.zig

@@ -12,6 +12,7 @@ const widgets = std.static_string_map.StaticStringMap(create_fn).initComptime(.{
     .{ "modifiers", @import("modstate.zig").create },
     .{ "keystate", @import("keystate.zig").create },
     .{ "expander", @import("expander.zig").create },
+    .{ "spacer", @import("spacer.zig").create },
 });
 pub const CreateError = error{ OutOfMemory, Exit };
 const create_fn = *const fn (a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) CreateError!Widget;