refactor: improve capsulation and safety of tui module public api

src/tui/status/clock.zig

@@ -28,13 +28,13 @@ pub fn create(allocator: std.mem.Allocator, parent: Plane, event_handler: ?Event
         .on_event = event_handler,
         .tz = zeit.local(allocator, &env) catch |e| return tp.exit_error(e, @errorReturnTrace()),
     };
-    try tui.current().message_filters.add(MessageFilter.bind(self, receive_tick));
+    try tui.message_filters().add(MessageFilter.bind(self, receive_tick));
     self.update_tick_timer(.init);
     return Widget.to(self);
 }
 
 pub fn deinit(self: *Self, allocator: std.mem.Allocator) void {
-    tui.current().message_filters.remove_ptr(self);
+    tui.message_filters().remove_ptr(self);
     if (self.tick_timer) |*t| {
         t.cancel() catch {};
         t.deinit();

src/tui/status/filestate.zig

@@ -90,7 +90,7 @@ pub fn render(self: *Self, btn: *Button.State(Self), theme: *const Widget.Theme)
         btn.plane.fill(" ");
         btn.plane.home();
     }
-    if (tui.current().mini_mode) |_|
+    if (tui.mini_mode()) |_|
         render_mini_mode(&btn.plane, theme)
     else if (self.detailed)
         self.render_detailed(&btn.plane, theme)
@@ -102,14 +102,13 @@ pub fn render(self: *Self, btn: *Button.State(Self), theme: *const Widget.Theme)
 
 fn render_mini_mode(plane: *Plane, theme: *const Widget.Theme) void {
     plane.off_styles(style.italic);
-    const tui_ = tui.current();
-    const mini_mode = tui_.mini_mode orelse return;
+    const mini_mode = tui.mini_mode() orelse return;
     _ = plane.print(" {s}", .{mini_mode.text}) catch {};
     if (mini_mode.cursor) |cursor| {
         const pos: c_int = @intCast(cursor);
-        if (tui_.config.enable_terminal_cursor) {
+        if (tui.config().enable_terminal_cursor) {
             const y, const x = plane.rel_yx_to_abs(0, pos + 1);
-            tui_.rdr.cursor_enable(y, x, tui_.get_cursor_shape()) catch {};
+            tui.rdr().cursor_enable(y, x, tui.get_cursor_shape()) catch {};
         } else {
             plane.cursor_move_yx(0, pos + 1) catch return;
             var cell = plane.cell_init();
@@ -189,7 +188,7 @@ fn render_terminal_title(self: *Self) void {
     if (std.mem.eql(u8, self.previous_title, new_title)) return;
     @memcpy(self.previous_title_buf[0..new_title.len], new_title);
     self.previous_title = self.previous_title_buf[0..new_title.len];
-    tui.current().rdr.set_terminal_title(new_title);
+    tui.rdr().set_terminal_title(new_title);
 }
 
 pub fn receive(self: *Self, _: *Button.State(Self), _: tp.pid_ref, m: tp.message) error{Exit}!bool {

src/tui/status/keystate.zig

@@ -36,7 +36,7 @@ pub fn create(allocator: Allocator, parent: Plane, _: ?EventHandler) @import("wi
         .plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent),
         .wipe_after_frames = @divTrunc(frame_rate, 2),
     };
-    try tui.current().input_listeners.add(EventHandler.bind(self, listen));
+    try tui.input_listeners().add(EventHandler.bind(self, listen));
     return self.widget();
 }
 
@@ -45,7 +45,7 @@ pub fn widget(self: *Self) Widget {
 }
 
 pub fn deinit(self: *Self, allocator: Allocator) void {
-    tui.current().input_listeners.remove_ptr(self);
+    tui.input_listeners().remove_ptr(self);
     self.plane.deinit();
     allocator.destroy(self);
 }
@@ -171,7 +171,7 @@ pub fn receive(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
         return true;
     }
     if (try m.match(.{ "H", tp.extract(&self.hover) })) {
-        tui.current().rdr.request_mouse_cursor_pointer(self.hover);
+        tui.rdr().request_mouse_cursor_pointer(self.hover);
         return true;
     }
 

src/tui/status/minilog.zig

@@ -34,7 +34,7 @@ pub fn create(allocator: std.mem.Allocator, parent: Plane, event_handler: ?Event
         .on_event = event_handler,
     };
     logview.init(allocator);
-    try tui.current().message_filters.add(MessageFilter.bind(self, receive_log));
+    try tui.message_filters().add(MessageFilter.bind(self, receive_log));
     try log.subscribe();
     return Widget.to(self);
 }
@@ -47,7 +47,7 @@ pub fn deinit(self: *Self, allocator: std.mem.Allocator) void {
     }
     self.msg.deinit();
     log.unsubscribe() catch {};
-    tui.current().message_filters.remove_ptr(self);
+    tui.message_filters().remove_ptr(self);
     self.plane.deinit();
     allocator.destroy(self);
 }

src/tui/status/modestate.zig

@@ -33,11 +33,11 @@ pub fn layout(_: *void, btn: *Button.State(void)) Widget.Layout {
 }
 
 fn is_mini_mode() bool {
-    return tui.current().mini_mode != null;
+    return tui.mini_mode() != null;
 }
 
 fn is_overlay_mode() bool {
-    return tui.current().input_mode_outer != null;
+    return tui.input_mode_outer() != null;
 }
 
 pub fn render(_: *void, self: *Button.State(void), theme: *const Widget.Theme) bool {

src/tui/status/modstate.zig

@@ -24,7 +24,7 @@ pub fn create(allocator: Allocator, parent: Plane, _: ?EventHandler) @import("wi
     self.* = .{
         .plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent),
     };
-    try tui.current().input_listeners.add(EventHandler.bind(self, listen));
+    try tui.input_listeners().add(EventHandler.bind(self, listen));
     return self.widget();
 }
 
@@ -33,7 +33,7 @@ pub fn widget(self: *Self) Widget {
 }
 
 pub fn deinit(self: *Self, allocator: Allocator) void {
-    tui.current().input_listeners.remove_ptr(self);
+    tui.input_listeners().remove_ptr(self);
     self.plane.deinit();
     allocator.destroy(self);
 }