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refactor(scrollbar): make scrollbar event source optional

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This commit is contained in:
CJ van den Berg 2024-06-20 22:27:35 +02:00
parent d4019d00b2
commit 78e1951407
1 changed files with 3 additions and 2 deletions
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src/tui/scrollbar_v.zig
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@ -27,10 +27,11 @@ active: bool = false,
const Self = @This(); const Self = @This();
pub fn create(a: Allocator, parent: Widget, event_source: Widget) !Widget { pub fn create(a: Allocator, parent: Widget, event_source: ?Widget) !Widget {
const self: *Self = try a.create(Self); const self: *Self = try a.create(Self);
self.* = try init(parent); self.* = try init(parent);
try event_source.subscribe(EventHandler.bind(self, handle_event)); if (event_source) |source|
try source.subscribe(EventHandler.bind(self, handle_event));
return self.widget(); return self.widget();
} }