138 lines
5.1 KiB
Zig
138 lines
5.1 KiB
Zig
const std = @import("std");
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const cbor = @import("cbor");
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const tp = @import("thespian");
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const root = @import("soft_root").root;
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const command = @import("command");
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const tui = @import("../../tui.zig");
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pub const Type = @import("palette.zig").Create(@This());
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pub const label = "Search commands";
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pub const name = " command";
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pub const description = "command";
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pub const Entry = struct {
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label: []const u8,
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name: []const u8,
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hint: []const u8,
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id: command.ID,
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used_time: i64,
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};
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pub fn load_entries(palette: *Type) !usize {
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const hints = if (tui.input_mode()) |m| m.keybind_hints else @panic("no keybind hints");
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var longest_description: usize = 0;
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var longest_total: usize = 0;
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for (command.commands.items) |cmd_| if (cmd_) |p| {
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if (p.meta.description.len > 0) {
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const hint = hints.get(p.name) orelse "";
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longest_description = @max(longest_description, p.meta.description.len);
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longest_total = @max(longest_total, p.meta.description.len + hint.len + 1);
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(try palette.entries.addOne(palette.allocator)).* = .{
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.label = if (p.meta.description.len > 0) p.meta.description else p.name,
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.name = p.name,
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.hint = hint,
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.id = p.id,
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.used_time = 0,
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};
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}
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};
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return longest_total - longest_description;
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}
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pub fn add_menu_entry(palette: *Type, entry: *Entry, matches: ?[]const usize) !void {
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var value: std.Io.Writer.Allocating = .init(palette.allocator);
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defer value.deinit();
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const writer = &value.writer;
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try cbor.writeValue(writer, entry.label);
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try cbor.writeValue(writer, entry.hint);
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try cbor.writeValue(writer, matches orelse &[_]usize{});
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try cbor.writeValue(writer, entry.id);
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try palette.menu.add_item_with_handler(value.written(), select);
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palette.items += 1;
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}
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fn select(menu: **Type.MenuType, button: *Type.ButtonType, _: Type.Pos) void {
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var unused: []const u8 = undefined;
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var command_id: command.ID = undefined;
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var iter = button.opts.label;
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if (!(cbor.matchString(&iter, &unused) catch false)) return;
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if (!(cbor.matchString(&iter, &unused) catch false)) return;
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var len = cbor.decodeArrayHeader(&iter) catch return;
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while (len > 0) : (len -= 1)
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cbor.skipValue(&iter) catch break;
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if (!(cbor.matchValue(&iter, cbor.extract(&command_id)) catch false)) return;
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update_used_time(menu.*.opts.ctx, command_id);
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tp.self_pid().send(.{ "cmd", "exit_overlay_mode" }) catch |e| menu.*.opts.ctx.logger.err("navigate", e);
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tp.self_pid().send(.{ "cmd", command_id, .{} }) catch |e| menu.*.opts.ctx.logger.err("navigate", e);
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}
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fn sort_by_used_time(palette: *Type) void {
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const less_fn = struct {
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fn less_fn(_: void, lhs: Entry, rhs: Entry) bool {
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return lhs.used_time > rhs.used_time;
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}
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}.less_fn;
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std.mem.sort(Entry, palette.entries.items, {}, less_fn);
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}
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fn update_used_time(palette: *Type, id: command.ID) void {
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set_used_time(palette, id, std.time.milliTimestamp());
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write_state(palette) catch {};
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}
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fn set_used_time(palette: *Type, id: command.ID, used_time: i64) void {
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for (palette.entries.items) |*cmd_| if (cmd_.id == id) {
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cmd_.used_time = used_time;
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return;
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};
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}
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fn write_state(palette: *Type) !void {
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var state_file_buffer: [std.fs.max_path_bytes]u8 = undefined;
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const state_file = try std.fmt.bufPrint(&state_file_buffer, "{s}/{s}", .{ try root.get_state_dir(), "commands" });
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var file = try std.fs.createFileAbsolute(state_file, .{ .truncate = true });
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defer file.close();
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var buf: [4096]u8 = undefined;
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var file_writer = file.writer(&buf);
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const writer = &file_writer.interface;
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defer writer.flush() catch {};
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for (palette.entries.items) |cmd_| {
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if (cmd_.used_time == 0) continue;
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try cbor.writeArrayHeader(writer, 2);
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try cbor.writeValue(writer, cmd_.name);
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try cbor.writeValue(writer, cmd_.used_time);
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}
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}
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pub fn restore_state(palette: *Type) !void {
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var state_file_buffer: [std.fs.max_path_bytes]u8 = undefined;
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const state_file = try std.fmt.bufPrint(&state_file_buffer, "{s}/{s}", .{ try root.get_state_dir(), "commands" });
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const a = std.heap.c_allocator;
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var file = std.fs.openFileAbsolute(state_file, .{ .mode = .read_only }) catch |e| switch (e) {
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error.FileNotFound => return,
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else => return e,
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};
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defer file.close();
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const stat = try file.stat();
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var buffer = try a.alloc(u8, @intCast(stat.size));
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defer a.free(buffer);
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const size = try file.readAll(buffer);
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const data = buffer[0..size];
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defer sort_by_used_time(palette);
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var name_: []const u8 = undefined;
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var used_time: i64 = undefined;
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var iter: []const u8 = data;
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while (cbor.matchValue(&iter, .{
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tp.extract(&name_),
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tp.extract(&used_time),
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}) catch |e| switch (e) {
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error.TooShort => return,
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else => return e,
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}) {
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const id = command.get_id(name_) orelse continue;
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set_used_time(palette, id, used_time);
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}
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}
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