Add the cascade animation as a separate widget

Signed-off-by: AnErrupTion <anerruption@disroot.org>

src/animations/Cascade.zig

@@ -0,0 +1,81 @@
+const std = @import("std");
+const math = std.math;
+
+const Cell = @import("../tui/Cell.zig");
+const TerminalBuffer = @import("../tui/TerminalBuffer.zig");
+const Widget = @import("../tui/Widget.zig");
+
+const Cascade = @This();
+
+buffer: *TerminalBuffer,
+current_auth_fails: *usize,
+max_auth_fails: usize,
+
+pub fn init(
+    buffer: *TerminalBuffer,
+    current_auth_fails: *usize,
+    max_auth_fails: usize,
+) Cascade {
+    return .{
+        .buffer = buffer,
+        .current_auth_fails = current_auth_fails,
+        .max_auth_fails = max_auth_fails,
+    };
+}
+
+pub fn widget(self: *Cascade) Widget {
+    return Widget.init(
+        self,
+        null,
+        null,
+        draw,
+        null,
+        null,
+    );
+}
+
+fn draw(self: *Cascade) void {
+    while (self.current_auth_fails.* >= self.max_auth_fails) {
+        std.Thread.sleep(std.time.ns_per_ms * 10);
+
+        var changed = false;
+        var y = self.buffer.height - 2;
+
+        while (y > 0) : (y -= 1) {
+            for (0..self.buffer.width) |x| {
+                const cell = TerminalBuffer.getCell(x, y - 1);
+                const cell_under = TerminalBuffer.getCell(x, y);
+
+                // This shouldn't happen under normal circumstances, but because
+                // this is a *secret* animation, there's no need to care that much
+                if (cell == null or cell_under == null) continue;
+
+                const char: u8 = @truncate(cell.?.ch);
+                if (std.ascii.isWhitespace(char)) continue;
+
+                const char_under: u8 = @truncate(cell_under.?.ch);
+                if (!std.ascii.isWhitespace(char_under)) continue;
+
+                changed = true;
+
+                if ((self.buffer.random.int(u16) % 10) > 7) continue;
+
+                cell.?.put(x, y);
+
+                var space = Cell.init(
+                    ' ',
+                    cell_under.?.fg,
+                    cell_under.?.bg,
+                );
+                space.put(x, y - 1);
+            }
+        }
+
+        if (!changed) {
+            std.Thread.sleep(std.time.ns_per_s * 7);
+            self.current_auth_fails.* = 0;
+        }
+
+        TerminalBuffer.presentBuffer();
+    }
+}

src/animations/ColorMix.zig

@@ -17,14 +17,22 @@ fn length(vec: Vec2) f32 {
 }
 
 terminal_buffer: *TerminalBuffer,
+timeout: *bool,
 frames: u64,
 pattern_cos_mod: f32,
 pattern_sin_mod: f32,
 palette: [palette_len]Cell,
 
-pub fn init(terminal_buffer: *TerminalBuffer, col1: u32, col2: u32, col3: u32) ColorMix {
+pub fn init(
+    terminal_buffer: *TerminalBuffer,
+    col1: u32,
+    col2: u32,
+    col3: u32,
+    timeout: *bool,
+) ColorMix {
     return .{
         .terminal_buffer = terminal_buffer,
+        .timeout = timeout,
         .frames = 0,
         .pattern_cos_mod = terminal_buffer.random.float(f32) * math.pi * 2.0,
         .pattern_sin_mod = terminal_buffer.random.float(f32) * math.pi * 2.0,
@@ -57,6 +65,8 @@ pub fn widget(self: *ColorMix) Widget {
 }
 
 fn draw(self: *ColorMix) void {
+    if (self.timeout.*) return;
+
     self.frames +%= 1;
     const time: f32 = @as(f32, @floatFromInt(self.frames)) * time_scale;
 

src/animations/Doom.zig

@@ -13,12 +13,22 @@ pub const SPREAD_MAX = 4;
 
 allocator: Allocator,
 terminal_buffer: *TerminalBuffer,
+timeout: *bool,
 buffer: []u8,
 height: u8,
 spread: u8,
 fire: [STEPS + 1]Cell,
 
-pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, top_color: u32, middle_color: u32, bottom_color: u32, fire_height: u8, fire_spread: u8) !Doom {
+pub fn init(
+    allocator: Allocator,
+    terminal_buffer: *TerminalBuffer,
+    top_color: u32,
+    middle_color: u32,
+    bottom_color: u32,
+    fire_height: u8,
+    fire_spread: u8,
+    timeout: *bool,
+) !Doom {
     const buffer = try allocator.alloc(u8, terminal_buffer.width * terminal_buffer.height);
     initBuffer(buffer, terminal_buffer.width);
 
@@ -42,6 +52,7 @@ pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, top_color: u
     return .{
         .allocator = allocator,
         .terminal_buffer = terminal_buffer,
+        .timeout = timeout,
         .buffer = buffer,
         .height = @min(HEIGHT_MAX, fire_height),
         .spread = @min(SPREAD_MAX, fire_spread),
@@ -71,6 +82,8 @@ fn realloc(self: *Doom) !void {
 }
 
 fn draw(self: *Doom) void {
+    if (self.timeout.*) return;
+
     for (0..self.terminal_buffer.width) |x| {
         // We start from 1 so that we always have the topmost line when spreading fire
         for (1..self.terminal_buffer.height) |y| {

src/animations/DurFile.zig

@@ -307,6 +307,7 @@ frames: u64,
 frame_size: UVec2,
 start_pos: IVec2,
 full_color: bool,
+timeout: *bool,
 frame_time: u32,
 time_previous: i64,
 is_color_format_16: bool,
@@ -357,7 +358,17 @@ fn calc_frame_size(terminal_buffer: *TerminalBuffer, dur_movie: *DurFormat) UVec
     return .{ frame_width, frame_height };
 }
 
-pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, log_file: *LogFile, file_path: []const u8, offset_alignment: DurOffsetAlignment, x_offset: i32, y_offset: i32, full_color: bool) !DurFile {
+pub fn init(
+    allocator: Allocator,
+    terminal_buffer: *TerminalBuffer,
+    log_file: *LogFile,
+    file_path: []const u8,
+    offset_alignment: DurOffsetAlignment,
+    x_offset: i32,
+    y_offset: i32,
+    full_color: bool,
+    timeout: *bool,
+) !DurFile {
     var dur_movie: DurFormat = .init(allocator);
 
     dur_movie.create_from_file(allocator, file_path) catch |err| switch (err) {
@@ -395,6 +406,7 @@ pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, log_file: *L
         .frame_size = frame_size,
         .start_pos = start_pos,
         .full_color = full_color,
+        .timeout = timeout,
         .dur_movie = dur_movie,
         .frame_time = frame_time,
         .is_color_format_16 = eql(u8, dur_movie.colorFormat.?, "16"),
@@ -425,6 +437,8 @@ fn realloc(self: *DurFile) !void {
 }
 
 fn draw(self: *DurFile) void {
+    if (self.timeout.*) return;
+
     const current_frame = self.dur_movie.frames.items[self.frames];
 
     const buf_width: u32 = @intCast(self.terminal_buffer.width);

src/animations/GameOfLife.zig

@@ -26,11 +26,20 @@ fg_color: u32,
 entropy_interval: usize,
 frame_delay: usize,
 initial_density: f32,
+timeout: *bool,
 dead_cell: Cell,
 width: usize,
 height: usize,
 
-pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg_color: u32, entropy_interval: usize, frame_delay: usize, initial_density: f32) !GameOfLife {
+pub fn init(
+    allocator: Allocator,
+    terminal_buffer: *TerminalBuffer,
+    fg_color: u32,
+    entropy_interval: usize,
+    frame_delay: usize,
+    initial_density: f32,
+    timeout: *bool,
+) !GameOfLife {
     const width = terminal_buffer.width;
     const height = terminal_buffer.height;
     const grid_size = width * height;
@@ -49,6 +58,7 @@ pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg_color: u3
         .entropy_interval = entropy_interval,
         .frame_delay = frame_delay,
         .initial_density = initial_density,
+        .timeout = timeout,
         .dead_cell = .{ .ch = DEAD_CHAR, .fg = @intCast(TerminalBuffer.Color.DEFAULT), .bg = terminal_buffer.bg },
         .width = width,
         .height = height,
@@ -94,6 +104,8 @@ fn realloc(self: *GameOfLife) !void {
 }
 
 fn draw(self: *GameOfLife) void {
+    if (self.timeout.*) return;
+
     // Update game state at controlled frame rate
     self.frame_counter += 1;
     if (self.frame_counter >= self.frame_delay) {

src/animations/Matrix.zig

@@ -34,9 +34,18 @@ fg: u32,
 head_col: u32,
 min_codepoint: u16,
 max_codepoint: u16,
+timeout: *bool,
 default_cell: Cell,
 
-pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg: u32, head_col: u32, min_codepoint: u16, max_codepoint: u16) !Matrix {
+pub fn init(
+    allocator: Allocator,
+    terminal_buffer: *TerminalBuffer,
+    fg: u32,
+    head_col: u32,
+    min_codepoint: u16,
+    max_codepoint: u16,
+    timeout: *bool,
+) !Matrix {
     const dots = try allocator.alloc(Dot, terminal_buffer.width * (terminal_buffer.height + 1));
     const lines = try allocator.alloc(Line, terminal_buffer.width);
 
@@ -53,6 +62,7 @@ pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg: u32, hea
         .head_col = head_col,
         .min_codepoint = min_codepoint,
         .max_codepoint = max_codepoint - min_codepoint,
+        .timeout = timeout,
         .default_cell = .{ .ch = ' ', .fg = fg, .bg = terminal_buffer.bg },
     };
 }
@@ -84,6 +94,8 @@ fn realloc(self: *Matrix) !void {
 }
 
 fn draw(self: *Matrix) void {
+    if (self.timeout.*) return;
+
     const buf_height = self.terminal_buffer.height;
     const buf_width = self.terminal_buffer.width;
     self.count += 1;

src/main.zig

@@ -15,6 +15,7 @@ const LogFile = ly_core.LogFile;
 const SharedError = ly_core.SharedError;
 const IniParser = ly_core.IniParser;
 
+const Cascade = @import("animations/Cascade.zig");
 const ColorMix = @import("animations/ColorMix.zig");
 const Doom = @import("animations/Doom.zig");
 const DurFile = @import("animations/DurFile.zig");
@@ -74,7 +75,6 @@ const UiState = struct {
     buffer: TerminalBuffer,
     labels_max_length: usize,
     animation_timed_out: bool,
-    animation: ?Widget,
     shutdown_label: Label,
     restart_label: Label,
     sleep_label: Label,
@@ -517,6 +517,7 @@ pub fn main() !void {
         state.buffer.border_fg,
         state.buffer.fg,
         state.buffer.bg,
+        &updateBox,
     );
 
     state.info_line = InfoLine.init(
@@ -867,10 +868,9 @@ pub fn main() !void {
     }
 
     // Initialize the animation, if any
+    var animation: ?Widget = null;
     switch (state.config.animation) {
-        .none => {
-            state.animation = null;
-        },
+        .none => {},
         .doom => {
             var doom = try Doom.init(
                 state.allocator,
@@ -880,8 +880,9 @@ pub fn main() !void {
                 state.config.doom_bottom_color,
                 state.config.doom_fire_height,
                 state.config.doom_fire_spread,
+                &state.animation_timed_out,
             );
-            state.animation = doom.widget();
+            animation = doom.widget();
         },
         .matrix => {
             var matrix = try Matrix.init(
@@ -891,8 +892,9 @@ pub fn main() !void {
                 state.config.cmatrix_head_col,
                 state.config.cmatrix_min_codepoint,
                 state.config.cmatrix_max_codepoint,
+                &state.animation_timed_out,
             );
-            state.animation = matrix.widget();
+            animation = matrix.widget();
         },
         .colormix => {
             var color_mix = ColorMix.init(
@@ -900,8 +902,9 @@ pub fn main() !void {
                 state.config.colormix_col1,
                 state.config.colormix_col2,
                 state.config.colormix_col3,
+                &state.animation_timed_out,
             );
-            state.animation = color_mix.widget();
+            animation = color_mix.widget();
         },
         .gameoflife => {
             var game_of_life = try GameOfLife.init(
@@ -911,8 +914,9 @@ pub fn main() !void {
                 state.config.gameoflife_entropy_interval,
                 state.config.gameoflife_frame_delay,
                 state.config.gameoflife_initial_density,
+                &state.animation_timed_out,
             );
-            state.animation = game_of_life.widget();
+            animation = game_of_life.widget();
         },
         .dur_file => {
             var dur = try DurFile.init(
@@ -924,11 +928,18 @@ pub fn main() !void {
                 state.config.dur_x_offset,
                 state.config.dur_y_offset,
                 state.config.full_color,
+                &state.animation_timed_out,
             );
-            state.animation = dur.widget();
+            animation = dur.widget();
         },
     }
-    defer if (state.animation) |*a| a.deinit();
+    defer if (animation) |*a| a.deinit();
+
+    var cascade = Cascade.init(
+        &state.buffer,
+        &state.auth_fails,
+        state.config.auth_fails,
+    );
 
     state.auth_fails = 0;
     state.run = true;
@@ -966,9 +977,14 @@ pub fn main() !void {
         }
     }
 
+    // TODO: Layer system where we can put widgets in specific layers (to
+    // allow certain widgets to be below or above others, like animations)
     var widgets: std.ArrayList(Widget) = .empty;
     defer widgets.deinit(state.allocator);
 
+    if (animation) |a| {
+        try widgets.append(state.allocator, a);
+    }
     if (!state.config.hide_key_hints) {
         try widgets.append(state.allocator, state.shutdown_label.widget());
         try widgets.append(state.allocator, state.restart_label.widget());
@@ -1006,9 +1022,12 @@ pub fn main() !void {
     if (!state.config.hide_version_string) {
         try widgets.append(state.allocator, state.version_label.widget());
     }
+    if (state.config.auth_fails > 0) {
+        try widgets.append(state.allocator, cascade.widget());
+    }
 
     // Position components and place cursor accordingly
-    try updateComponents(&state, widgets);
+    for (widgets.items) |*widget| try widget.update(&state);
     positionComponents(&state);
 
     switch (state.active_input) {
@@ -1085,9 +1104,11 @@ pub fn main() !void {
         );
     }
 
+    if (state.is_autologin) _ = try authenticate(&state);
+
     while (state.run) {
         if (state.update) {
-            try updateComponents(&state, widgets);
+            for (widgets.items) |*widget| try widget.update(&state);
 
             switch (state.active_input) {
                 .info_line => state.info_line.label.handle(null, state.insert_mode),
@@ -1099,7 +1120,11 @@ pub fn main() !void {
                 },
             }
 
-            if (!try drawUi(&state, widgets)) continue;
+            try TerminalBuffer.clearScreen(false);
+
+            for (widgets.items) |*widget| widget.draw();
+
+            TerminalBuffer.presentBuffer();
         }
 
         var timeout: i32 = -1;
@@ -1113,7 +1138,7 @@ pub fn main() !void {
 
             if (state.config.animation_timeout_sec > 0 and time.seconds - animation_time_start.seconds > state.config.animation_timeout_sec) {
                 state.animation_timed_out = true;
-                if (state.animation) |*a| a.deinit();
+                if (animation) |*a| a.deinit();
             }
         } else if (state.config.bigclock != .none and state.config.clock == null) {
             const time = try interop.getTimeOfDay();
@@ -1155,25 +1180,11 @@ pub fn main() !void {
             }
         }
 
-        // Skip event polling if autologin is set, use simulated Enter key press instead
-        if (state.is_autologin) {
-            event = .{
-                .type = termbox.TB_EVENT_KEY,
-                .key = termbox.TB_KEY_ENTER,
-                .ch = 0,
-                .w = 0,
-                .h = 0,
-                .x = 0,
-                .y = 0,
-                .mod = 0,
-            };
-        } else {
         const event_error = if (timeout == -1) termbox.tb_poll_event(&event) else termbox.tb_peek_event(&event, timeout);
 
         state.update = timeout != -1;
 
         if (event_error < 0) continue;
-        }
 
         // Input of some kind was detected, so reset the inactivity timer
         inactivity_time_start = try interop.getTimeOfDay();
@@ -1184,7 +1195,7 @@ pub fn main() !void {
 
             try state.log_file.info("tui", "screen resolution updated to {d}x{d}", .{ state.buffer.width, state.buffer.height });
 
-            if (state.animation) |*a| a.realloc() catch |err| {
+            if (animation) |*a| a.realloc() catch |err| {
                 try state.info_line.addMessage(
                     state.lang.err_alloc,
                     state.config.error_bg,
@@ -1197,6 +1208,21 @@ pub fn main() !void {
                 );
             };
 
+            for (widgets.items) |*widget| {
+                widget.realloc() catch |err| {
+                    try state.info_line.addMessage(
+                        state.lang.err_alloc,
+                        state.config.error_bg,
+                        state.config.error_fg,
+                    );
+                    try state.log_file.err(
+                        "tui",
+                        "failed to reallocate widget: {s}",
+                        .{@errorName(err)},
+                    );
+                };
+            }
+
             positionComponents(&state);
 
             state.update = true;
@@ -1617,43 +1643,6 @@ fn increaseBrightnessCmd(ptr: *anyopaque) !bool {
     return false;
 }
 
-fn updateComponents(state: *UiState, widgets: std.ArrayList(Widget)) !void {
-    for (widgets.items) |*widget| {
-        try widget.update(state);
-    }
-}
-
-fn drawUi(state: *UiState, widgets: std.ArrayList(Widget)) !bool {
-    // If the user entered a wrong password 10 times in a row, play a cascade animation, else update normally
-    if (state.config.auth_fails > 0 and state.auth_fails >= state.config.auth_fails) {
-        std.Thread.sleep(std.time.ns_per_ms * 10);
-        state.update = state.buffer.cascade();
-
-        if (!state.update) {
-            std.Thread.sleep(std.time.ns_per_s * 7);
-            state.auth_fails = 0;
-        }
-
-        TerminalBuffer.presentBuffer();
-        return false;
-    }
-
-    try TerminalBuffer.clearScreen(false);
-
-    if (!state.animation_timed_out) if (state.animation) |*a| a.draw();
-
-    for (widgets.items) |*widget| {
-        widget.draw();
-    }
-
-    if (state.config.vi_mode) {
-        state.box.bottom_title = if (state.insert_mode) state.lang.insert else state.lang.normal;
-    }
-
-    TerminalBuffer.presentBuffer();
-    return true;
-}
-
 fn updateNumlock(self: *Label, ptr: *anyopaque) !void {
     var state: *UiState = @ptrCast(@alignCast(ptr));
 
@@ -1765,6 +1754,14 @@ fn updateBigClock(self: *BigLabel, ptr: *anyopaque) !void {
     self.setText(clock_str);
 }
 
+fn updateBox(self: *CenteredBox, ptr: *anyopaque) !void {
+    const state: *UiState = @ptrCast(@alignCast(ptr));
+
+    if (state.config.vi_mode) {
+        self.bottom_title = if (state.insert_mode) state.lang.insert else state.lang.normal;
+    }
+}
+
 fn updateSessionSpecifier(self: *Label, ptr: *anyopaque) !void {
     const state: *UiState = @ptrCast(@alignCast(ptr));
 

src/tui/Cell.zig

@@ -17,5 +17,5 @@ pub fn init(ch: u32, fg: u32, bg: u32) Cell {
 pub fn put(self: Cell, x: usize, y: usize) void {
     if (self.ch == 0) return;
 
-    TerminalBuffer.setCell(x, y, self.ch, self.fg, self.bg);
+    TerminalBuffer.setCell(x, y, self);
 }

src/tui/TerminalBuffer.zig

@@ -172,19 +172,29 @@ pub fn presentBuffer() void {
     _ = termbox.tb_present();
 }
 
-pub fn setCell(
-    x: usize,
-    y: usize,
-    ch: u32,
-    fg: u32,
-    bg: u32,
-) void {
+pub fn getCell(x: usize, y: usize) ?Cell {
+    var maybe_cell: ?*termbox.tb_cell = undefined;
+    _ = termbox.tb_get_cell(
+        @intCast(x),
+        @intCast(y),
+        1,
+        &maybe_cell,
+    );
+
+    if (maybe_cell) |cell| {
+        return Cell.init(cell.ch, cell.fg, cell.bg);
+    }
+
+    return null;
+}
+
+pub fn setCell(x: usize, y: usize, cell: Cell) void {
     _ = termbox.tb_set_cell(
         @intCast(x),
         @intCast(y),
-        ch,
-        fg,
-        bg,
+        cell.ch,
+        cell.fg,
+        cell.bg,
     );
 }
 
@@ -201,40 +211,6 @@ pub fn reclaim(self: TerminalBuffer) !void {
     }
 }
 
-pub fn cascade(self: TerminalBuffer) bool {
-    var changed = false;
-    var y = self.height - 2;
-
-    while (y > 0) : (y -= 1) {
-        for (0..self.width) |x| {
-            var cell: ?*termbox.tb_cell = undefined;
-            var cell_under: ?*termbox.tb_cell = undefined;
-
-            _ = termbox.tb_get_cell(@intCast(x), @intCast(y - 1), 1, &cell);
-            _ = termbox.tb_get_cell(@intCast(x), @intCast(y), 1, &cell_under);
-
-            // This shouldn't happen under normal circumstances, but because
-            // this is a *secret* animation, there's no need to care that much
-            if (cell == null or cell_under == null) continue;
-
-            const char: u8 = @truncate(cell.?.ch);
-            if (std.ascii.isWhitespace(char)) continue;
-
-            const char_under: u8 = @truncate(cell_under.?.ch);
-            if (!std.ascii.isWhitespace(char_under)) continue;
-
-            changed = true;
-
-            if ((self.random.int(u16) % 10) > 7) continue;
-
-            _ = termbox.tb_set_cell(@intCast(x), @intCast(y), cell.?.ch, cell.?.fg, cell.?.bg);
-            _ = termbox.tb_set_cell(@intCast(x), @intCast(y - 1), ' ', cell_under.?.fg, cell_under.?.bg);
-        }
-    }
-
-    return changed;
-}
-
 pub fn registerKeybind(self: *TerminalBuffer, keybind: []const u8, callback: KeybindCallbackFn) !void {
     var key = std.mem.zeroes(keyboard.Key);
     var iterator = std.mem.splitScalar(u8, keybind, '+');

src/tui/components/BigLabel.zig

@@ -140,7 +140,7 @@ pub fn childrenPosition(self: BigLabel) Position {
     return self.children_pos;
 }
 
-pub fn draw(self: *BigLabel) void {
+fn draw(self: *BigLabel) void {
     for (self.text, 0..) |c, i| {
         const clock_cell = clockCell(
             c,
@@ -159,7 +159,7 @@ pub fn draw(self: *BigLabel) void {
     }
 }
 
-pub fn update(self: *BigLabel, context: *anyopaque) !void {
+fn update(self: *BigLabel, context: *anyopaque) !void {
     if (self.update_fn) |update_fn| {
         return @call(
             .auto,

src/tui/components/CenteredBox.zig

@@ -19,6 +19,7 @@ bottom_title: ?[]const u8,
 border_fg: u32,
 title_fg: u32,
 bg: u32,
+update_fn: ?*const fn (*CenteredBox, *anyopaque) anyerror!void,
 left_pos: Position,
 right_pos: Position,
 children_pos: Position,
@@ -36,6 +37,7 @@ pub fn init(
     border_fg: u32,
     title_fg: u32,
     bg: u32,
+    update_fn: ?*const fn (*CenteredBox, *anyopaque) anyerror!void,
 ) CenteredBox {
     return .{
         .buffer = buffer,
@@ -50,6 +52,7 @@ pub fn init(
         .border_fg = border_fg,
         .title_fg = title_fg,
         .bg = bg,
+        .update_fn = update_fn,
         .left_pos = TerminalBuffer.START_POSITION,
         .right_pos = TerminalBuffer.START_POSITION,
         .children_pos = TerminalBuffer.START_POSITION,
@@ -90,7 +93,7 @@ pub fn childrenPosition(self: CenteredBox) Position {
     return self.children_pos;
 }
 
-pub fn draw(self: *CenteredBox) void {
+fn draw(self: *CenteredBox) void {
     if (self.show_borders) {
         var left_up = Cell.init(
             self.buffer.box_chars.left_up,
@@ -172,3 +175,13 @@ pub fn draw(self: *CenteredBox) void {
         );
     }
 }
+
+fn update(self: *CenteredBox, ctx: *anyopaque) !void {
+    if (self.update_fn) |update_fn| {
+        return @call(
+            .auto,
+            update_fn,
+            .{ self, ctx },
+        );
+    }
+}

src/tui/components/InfoLine.zig

@@ -56,14 +56,6 @@ pub fn widget(self: *InfoLine) Widget {
     );
 }
 
-pub fn draw(self: *InfoLine) void {
-    self.label.draw();
-}
-
-pub fn handle(self: *InfoLine, maybe_key: ?keyboard.Key, insert_mode: bool) !void {
-    self.label.handle(maybe_key, insert_mode);
-}
-
 pub fn addMessage(self: *InfoLine, text: []const u8, bg: u32, fg: u32) !void {
     if (text.len == 0) return;
 
@@ -91,6 +83,14 @@ pub fn clearRendered(self: InfoLine, allocator: Allocator) !void {
     );
 }
 
+fn draw(self: *InfoLine) void {
+    self.label.draw();
+}
+
+fn handle(self: *InfoLine, maybe_key: ?keyboard.Key, insert_mode: bool) !void {
+    self.label.handle(maybe_key, insert_mode);
+}
+
 fn drawItem(label: *MessageLabel, message: Message, x: usize, y: usize, width: usize) void {
     if (message.width == 0) return;
 

src/tui/components/Label.zig

@@ -98,7 +98,7 @@ pub fn childrenPosition(self: Label) Position {
     return self.children_pos;
 }
 
-pub fn draw(self: *Label) void {
+fn draw(self: *Label) void {
     if (self.max_width) |width| {
         TerminalBuffer.drawConfinedText(
             self.text,
@@ -120,7 +120,7 @@ pub fn draw(self: *Label) void {
     );
 }
 
-pub fn update(self: *Label, ctx: *anyopaque) !void {
+fn update(self: *Label, ctx: *anyopaque) !void {
     if (self.update_fn) |update_fn| {
         return @call(
             .auto,

src/tui/components/Session.zig

@@ -66,14 +66,6 @@ pub fn widget(self: *Session) Widget {
     );
 }
 
-pub fn draw(self: *Session) void {
-    self.label.draw();
-}
-
-pub fn handle(self: *Session, maybe_key: ?keyboard.Key, insert_mode: bool) !void {
-    self.label.handle(maybe_key, insert_mode);
-}
-
 pub fn addEnvironment(self: *Session, environment: Environment) !void {
     const env = Env{ .environment = environment, .index = self.label.list.items.len };
 
@@ -81,6 +73,14 @@ pub fn addEnvironment(self: *Session, environment: Environment) !void {
     addedSession(env, self.user_list);
 }
 
+fn draw(self: *Session) void {
+    self.label.draw();
+}
+
+fn handle(self: *Session, maybe_key: ?keyboard.Key, insert_mode: bool) !void {
+    self.label.handle(maybe_key, insert_mode);
+}
+
 fn addedSession(env: Env, user_list: *UserList) void {
     const user = user_list.label.list.items[user_list.label.current];
     if (!user.first_run) return;

src/tui/components/Text.zig

@@ -87,6 +87,13 @@ pub fn childrenPosition(self: Text) Position {
     return self.children_pos;
 }
 
+pub fn clear(self: *Text) void {
+    self.text.clearRetainingCapacity();
+    self.end = 0;
+    self.cursor = 0;
+    self.visible_start = 0;
+}
+
 pub fn handle(self: *Text, maybe_key: ?keyboard.Key, insert_mode: bool) !void {
     if (maybe_key) |key| {
         if (key.left or (!insert_mode and (key.h or key.backspace))) {
@@ -117,7 +124,7 @@ pub fn handle(self: *Text, maybe_key: ?keyboard.Key, insert_mode: bool) !void {
     );
 }
 
-pub fn draw(self: *Text) void {
+fn draw(self: *Text) void {
     if (self.masked) {
         if (self.maybe_mask) |mask| {
             if (self.width < 1) return;
@@ -158,13 +165,6 @@ pub fn draw(self: *Text) void {
     );
 }
 
-pub fn clear(self: *Text) void {
-    self.text.clearRetainingCapacity();
-    self.end = 0;
-    self.cursor = 0;
-    self.visible_start = 0;
-}
-
 fn goLeft(self: *Text) void {
     if (self.cursor == 0) return;
     if (self.visible_start > 0) self.visible_start -= 1;