flow/src/tui/mode/overlay/theme_palette.zig

83 lines
2.9 KiB
Zig

const std = @import("std");
const cbor = @import("cbor");
const tp = @import("thespian");
const Widget = @import("../../Widget.zig");
const tui = @import("../../tui.zig");
pub const Type = @import("palette.zig").Create(@This());
pub const label = "Search themes";
pub const name = " theme";
pub const description = "theme";
pub const Entry = struct {
label: []const u8,
name: []const u8,
};
pub const Match = struct {
name: []const u8,
score: i32,
matches: []const usize,
};
var previous_theme: ?[]const u8 = null;
pub fn load_entries(palette: *Type) !usize {
var longest_hint: usize = 0;
var idx: usize = 0;
previous_theme = tui.theme().name;
for (Widget.themes) |theme| {
idx += 1;
(try palette.entries.addOne()).* = .{
.label = theme.description,
.name = theme.name,
};
if (previous_theme) |theme_name| if (std.mem.eql(u8, theme.name, theme_name)) {
palette.initial_selected = idx;
};
longest_hint = @max(longest_hint, theme.name.len);
}
return longest_hint;
}
pub fn add_menu_entry(palette: *Type, entry: *Entry, matches: ?[]const usize) !void {
var value = std.ArrayList(u8).init(palette.allocator);
defer value.deinit();
const writer = value.writer();
try cbor.writeValue(writer, entry.label);
try cbor.writeValue(writer, entry.name);
try cbor.writeValue(writer, matches orelse &[_]usize{});
try palette.menu.add_item_with_handler(value.items, select);
palette.items += 1;
}
fn select(menu: **Type.MenuState, button: *Type.ButtonState) void {
var description_: []const u8 = undefined;
var name_: []const u8 = undefined;
var iter = button.opts.label;
if (!(cbor.matchString(&iter, &description_) catch false)) return;
if (!(cbor.matchString(&iter, &name_) catch false)) return;
if (previous_theme) |prev| if (std.mem.eql(u8, prev, name_))
return;
tp.self_pid().send(.{ "cmd", "exit_overlay_mode" }) catch |e| menu.*.opts.ctx.logger.err("theme_palette", e);
tp.self_pid().send(.{ "cmd", "set_theme", .{name_} }) catch |e| menu.*.opts.ctx.logger.err("theme_palette", e);
}
pub fn updated(palette: *Type, button_: ?*Type.ButtonState) !void {
const button = button_ orelse return cancel(palette);
var description_: []const u8 = undefined;
var name_: []const u8 = undefined;
var iter = button.opts.label;
if (!(cbor.matchString(&iter, &description_) catch false)) return;
if (!(cbor.matchString(&iter, &name_) catch false)) return;
tp.self_pid().send(.{ "cmd", "set_theme", .{name_} }) catch |e| palette.logger.err("theme_palette upated", e);
}
pub fn cancel(palette: *Type) !void {
if (previous_theme) |name_| if (!std.mem.eql(u8, name_, tui.theme().name)) {
previous_theme = null;
tp.self_pid().send(.{ "cmd", "set_theme", .{name_} }) catch |e| palette.logger.err("theme_palette cancel", e);
};
}