refactor: merge expander and spacer status bar widgets

src/tui/status/blank.zig

@@ -5,26 +5,32 @@ const Plane = @import("renderer").Plane;
 const Widget = @import("../Widget.zig");
 
 plane: Plane,
+layout: Widget.Layout,
 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 {
+pub fn Create(comptime layout_: Widget.Layout) @import("widget.zig").CreateFunction {
+    return struct {
+        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),
+                .layout = layout_,
                 .on_event = event_handler,
             };
             return Widget.to(self);
         }
+    }.create;
+}
 
 pub fn deinit(self: *Self, a: std.mem.Allocator) void {
     self.plane.deinit();
     a.destroy(self);
 }
 
-pub fn layout(_: *Self) Widget.Layout {
+pub fn layout(self: *Self) Widget.Layout {
-    return .dynamic;
+    return self.layout;
 }
 
 pub fn render(self: *Self, theme: *const Widget.Theme) bool {

src/tui/status/spacer.zig

@@ -1,43 +0,0 @@
-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

@@ -2,7 +2,7 @@ const std = @import("std");
 const Widget = @import("../Widget.zig");
 const Plane = @import("renderer").Plane;
 
-const widgets = std.static_string_map.StaticStringMap(create_fn).initComptime(.{
+const widgets = std.static_string_map.StaticStringMap(CreateFunction).initComptime(.{
     .{ "mode", @import("modestate.zig").create },
     .{ "file", @import("filestate.zig").create },
     .{ "log", @import("minilog.zig").create },
@@ -11,11 +11,12 @@ const widgets = std.static_string_map.StaticStringMap(create_fn).initComptime(.{
     .{ "linenumber", @import("linenumstate.zig").create },
     .{ "modifiers", @import("modstate.zig").create },
     .{ "keystate", @import("keystate.zig").create },
-    .{ "expander", @import("expander.zig").create },
+    .{ "expander", @import("blank.zig").Create(.dynamic) },
-    .{ "spacer", @import("spacer.zig").create },
+    .{ "spacer", @import("blank.zig").Create(.{ .static = 1 }) },
+    .{ "clock", @import("clock.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;
+pub const CreateFunction = *const fn (a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) CreateError!Widget;
 
 pub fn create(name: []const u8, a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) CreateError!?Widget {
     const create_ = widgets.get(name) orelse return null;