refactor: allow palettes to configure placement

This commit is contained in:
CJ van den Berg 2025-11-18 18:00:37 +01:00
parent f7134df47c
commit d5bd31652e
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9

View file

@ -22,6 +22,12 @@ pub const Menu = @import("../../Menu.zig");
const max_menu_width = 80;
const widget_type: Widget.Type = .palette;
pub const Placement = enum {
top_center,
top_left,
top_right,
};
pub fn Create(options: type) type {
return struct {
allocator: std.mem.Allocator,
@ -35,6 +41,7 @@ pub fn Create(options: type) type {
entries: std.ArrayList(Entry) = undefined,
longest_hint: usize = 0,
initial_selected: ?usize = null,
placement: Placement,
items: usize = 0,
view_rows: usize,
@ -94,6 +101,7 @@ pub fn Create(options: type) type {
.mode = try keybind.mode("overlay/palette", allocator, .{
.insert_command = "overlay_insert_bytes",
}),
.placement = if (@hasDecl(options, "placement")) options.placement else .top_center,
};
try self.commands.init(self);
self.mode.event_handler = EventHandler.to_owned(self);
@ -183,13 +191,38 @@ pub fn Create(options: type) type {
fn prepare_resize(self: *Self) Widget.Box {
const screen = tui.screen();
const w = @max(@min(self.longest + 3, max_menu_width) + 2 + self.longest_hint, options.label.len + 2);
const x = if (screen.w > w) (screen.w - w) / 2 else 0;
const w = self.prepare_width();
return switch (self.placement) {
.top_center => self.prepare_resize_top_center(screen, w),
.top_left => self.prepare_resize_top_left(screen, w),
.top_right => self.prepare_resize_top_right(screen, w),
};
}
fn prepare_width(self: *Self) usize {
return @max(@min(self.longest + 3, max_menu_width) + 2 + self.longest_hint, options.label.len + 2);
}
fn prepare_resize_at_x(self: *Self, screen: Widget.Box, w: usize, x: usize) Widget.Box {
self.view_rows = get_view_rows(screen);
const h = @min(self.items + self.menu.header_count, self.view_rows + self.menu.header_count);
return .{ .y = 0, .x = x, .w = w, .h = h };
}
fn prepare_resize_top_center(self: *Self, screen: Widget.Box, w: usize) Widget.Box {
const x = if (screen.w > w) (screen.w - w) / 2 else 0;
return self.prepare_resize_at_x(screen, w, x);
}
fn prepare_resize_top_left(self: *Self, screen: Widget.Box, w: usize) Widget.Box {
return self.prepare_resize_at_x(screen, w, 0);
}
fn prepare_resize_top_right(self: *Self, screen: Widget.Box, w: usize) Widget.Box {
const x = if (screen.w > w) (screen.w - w) else 0;
return self.prepare_resize_at_x(screen, w, x);
}
fn after_resize_menu(self: *Self, _: *Menu.State(*Self), _: Widget.Box) void {
return self.after_resize();
}