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refactor: improve flexibility of the Button API

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CJ van den Berg 2024-03-08 21:31:50 +01:00
parent 7f08716575
commit 5965431b57
3 changed files with 33 additions and 30 deletions
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37
src/tui/Button.zig
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@ -13,12 +13,24 @@ pub fn Options(context: type) type {
pos: Widget.Box = .{ .y = 0, .x = 0, .w = 8, .h = 1 },
ctx: context = {},
on_click: *const fn (ctx: context, button: *State(Context)) void = do_nothing,
on_render: ?*const fn (ctx: context, button: *State(Context), theme: *const Widget.Theme) bool = null,
on_layout: ?*const fn (ctx: context, button: *State(Context)) Widget.Layout = null,
on_click: *const fn (ctx: *context, button: *State(Context)) void = do_nothing,
on_render: *const fn (ctx: *context, button: *State(Context), theme: *const Widget.Theme) bool = on_render_default,
on_layout: *const fn (ctx: *context, button: *State(Context)) Widget.Layout = on_layout_default,
pub const Context = context;
pub fn do_nothing(_: context, _: *State(Context)) void {}
pub fn do_nothing(_: *context, _: *State(Context)) void {}
pub fn on_render_default(_: *context, self: *State(Context), theme: *const Widget.Theme) bool {
tui.set_base_style(&self.plane, " ", if (self.active) theme.scrollbar_active else if (self.hover) theme.scrollbar_hover else theme.scrollbar);
self.plane.erase();
self.plane.home();
_ = self.plane.print(" {s} ", .{self.opts.label}) catch {};
return false;
}
pub fn on_layout_default(_: *context, self: *State(Context)) Widget.Layout {
return .{ .static = self.opts.label.len + 2 };
}
};
}
@ -52,20 +64,11 @@ pub fn State(ctx_type: type) type {
}
pub fn layout(self: *Self) Widget.Layout {
return if (self.opts.on_layout) |on_layout|
on_layout(self.opts.ctx, self)
else
.{ .static = self.opts.label.len + 2 };
return self.opts.on_layout(&self.opts.ctx, self);
}
pub fn render(self: *Self, theme: *const Widget.Theme) bool {
if (self.opts.on_render) |on_render|
return on_render(self.opts.ctx, self, theme);
tui.set_base_style(&self.plane, " ", if (self.active) theme.scrollbar_active else if (self.hover) theme.scrollbar_hover else theme.scrollbar);
self.plane.erase();
self.plane.home();
_ = self.plane.print(" {s} ", .{self.opts.label}) catch {};
return false;
return self.opts.on_render(&self.opts.ctx, self, theme);
}
pub fn receive(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
@ -73,11 +76,11 @@ pub fn State(ctx_type: type) type {
self.active = true;
return true;
} else if (try m.match(.{ "B", nc.event_type.RELEASE, nc.key.BUTTON1, tp.any, tp.any, tp.any, tp.any, tp.any })) {
self.opts.on_click(self.opts.ctx, self);
self.opts.on_click(&self.opts.ctx, self);
self.active = false;
return true;
} else if (try m.match(.{ "D", nc.event_type.RELEASE, nc.key.BUTTON1, tp.any, tp.any, tp.any, tp.any, tp.any })) {
self.opts.on_click(self.opts.ctx, self);
self.opts.on_click(&self.opts.ctx, self);
self.active = false;
return true;
} else if (try m.match(.{ "H", tp.extract(&self.hover) })) {