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feat: add WidgetList support for overriding layouts

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This commit is contained in:
CJ van den Berg 2025-08-03 16:16:15 +02:00
parent 31e1e5091b
commit ce204d650a
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
1 changed files with 8 additions and 1 deletions
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9
src/tui/WidgetList.zig
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@ -24,12 +24,14 @@ parent: Plane,
allocator: Allocator, allocator: Allocator,
widgets: ArrayList(WidgetState), widgets: ArrayList(WidgetState),
layout_: Layout, layout_: Layout,
layout_empty: bool = true,
direction: Direction, direction: Direction,
box: ?Widget.Box = null, box: ?Widget.Box = null,
ctx: ?*anyopaque = null, ctx: ?*anyopaque = null,
on_render: *const fn (ctx: ?*anyopaque, theme: *const Widget.Theme) void = on_render_default, on_render: *const fn (ctx: ?*anyopaque, theme: *const Widget.Theme) void = on_render_default,
after_render: *const fn (ctx: ?*anyopaque, theme: *const Widget.Theme) void = on_render_default, after_render: *const fn (ctx: ?*anyopaque, theme: *const Widget.Theme) void = on_render_default,
on_resize: *const fn (ctx: ?*anyopaque, self: *Self, pos_: Widget.Box) void = on_resize_default, on_resize: *const fn (ctx: ?*anyopaque, self: *Self, pos_: Widget.Box) void = on_resize_default,
on_layout: *const fn (ctx: ?*anyopaque, self: *Self) Widget.Layout = on_layout_default,
pub fn createH(allocator: Allocator, parent: Plane, name: [:0]const u8, layout_: Layout) error{OutOfMemory}!*Self { pub fn createH(allocator: Allocator, parent: Plane, name: [:0]const u8, layout_: Layout) error{OutOfMemory}!*Self {
const self = try allocator.create(Self); const self = try allocator.create(Self);
@ -71,7 +73,7 @@ pub fn widget(self: *Self) Widget {
} }
pub fn layout(self: *Self) Widget.Layout { pub fn layout(self: *Self) Widget.Layout {
return self.layout_; return self.on_layout(self.ctx, self);
} }
pub fn deinit(self: *Self, allocator: std.mem.Allocator) void { pub fn deinit(self: *Self, allocator: std.mem.Allocator) void {
@ -214,6 +216,10 @@ fn on_resize_default(_: ?*anyopaque, self: *Self, pos: Widget.Box) void {
self.resize(pos); self.resize(pos);
} }
fn on_layout_default(_: ?*anyopaque, self: *Self) Widget.Layout {
return self.layout_;
}
pub fn resize(self: *Self, pos_: Widget.Box) void { pub fn resize(self: *Self, pos_: Widget.Box) void {
self.box = pos_; self.box = pos_;
var pos = pos_; var pos = pos_;
@ -235,6 +241,7 @@ pub fn resize(self: *Self, pos_: Widget.Box) void {
}, },
} }
} }
self.layout_empty = avail == total and dynamics == 0;
const dyn_size = avail / if (dynamics > 0) dynamics else 1; const dyn_size = avail / if (dynamics > 0) dynamics else 1;
const rounded: usize = if (dyn_size * dynamics < avail) avail - dyn_size * dynamics else 0; const rounded: usize = if (dyn_size * dynamics < avail) avail - dyn_size * dynamics else 0;