1237 lines
43 KiB
Zig
1237 lines
43 KiB
Zig
const std = @import("std");
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const nc = @import("notcurses");
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const tp = @import("thespian");
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const log = @import("log");
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const config = @import("config");
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const project_manager = @import("project_manager");
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const build_options = @import("build_options");
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const root = @import("root");
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const tracy = @import("tracy");
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const command = @import("command.zig");
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const WidgetStack = @import("WidgetStack.zig");
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const Widget = @import("Widget.zig");
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const MessageFilter = @import("MessageFilter.zig");
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const EventHandler = @import("EventHandler.zig");
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const mainview = @import("mainview.zig");
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const Allocator = std.mem.Allocator;
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const ArrayList = std.ArrayList;
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const eql = std.mem.eql;
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const STDIN_FILENO = std.os.STDIN_FILENO;
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const Timer = std.time.Timer;
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const Mutex = std.Thread.Mutex;
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const maxInt = std.math.maxInt;
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a: Allocator,
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nc: nc.Context,
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config: config,
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frame_time: usize, // in microseconds
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frame_clock: tp.metronome,
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frame_clock_running: bool = false,
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frame_last_time: i64 = 0,
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fd_stdin: tp.file_descriptor,
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receiver: Receiver,
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mainview: Widget,
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message_filters: MessageFilter.List,
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input_mode: ?Mode,
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input_mode_outer: ?Mode = null,
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input_listeners: EventHandler.List,
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keyboard_focus: ?Widget = null,
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mini_mode: ?MiniModeState = null,
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hover_focus: ?*Widget = null,
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commands: Commands = undefined,
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logger: log.Logger,
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drag: bool = false,
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drag_event: nc.Input = nc.input(),
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drag_source: ?*Widget = null,
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theme: Widget.Theme,
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escape_state: EscapeState = .none,
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escape_initial: ?nc.Input = null,
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escape_code: ArrayList(u8),
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bracketed_paste: bool = false,
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bracketed_paste_buffer: ArrayList(u8),
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idle_frame_count: usize = 0,
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unrendered_input_events_count: usize = 0,
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unflushed_events_count: usize = 0,
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init_timer: ?tp.timeout,
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sigwinch_signal: ?tp.signal = null,
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no_sleep: bool = false,
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mods: ModState = .{},
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const idle_frames = 1;
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const ModState = struct {
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ctrl: bool = false,
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shift: bool = false,
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alt: bool = false,
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};
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const init_delay = 1; // ms
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const Self = @This();
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const Receiver = tp.Receiver(*Self);
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const Commands = command.Collection(cmds);
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const StartArgs = struct { a: Allocator };
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pub fn spawn(a: Allocator, ctx: *tp.context, eh: anytype, env: ?*const tp.env) !tp.pid {
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return try ctx.spawn_link(StartArgs{ .a = a }, start, "tui", eh, env);
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}
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fn start(args: StartArgs) tp.result {
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_ = tp.set_trap(true);
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var self = init(args.a) catch |e| return tp.exit_error(e);
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errdefer self.deinit();
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need_render();
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tp.receive(&self.receiver);
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}
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fn init(a: Allocator) !*Self {
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var opts = nc.Context.Options{
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.termtype = null,
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.loglevel = @intFromEnum(nc.LogLevel.silent),
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.margin_t = 0,
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.margin_r = 0,
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.margin_b = 0,
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.margin_l = 0,
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.flags = nc.Context.option.SUPPRESS_BANNERS | nc.Context.option.INHIBIT_SETLOCALE | nc.Context.option.NO_WINCH_SIGHANDLER,
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};
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if (tp.env.get().is("no-alternate"))
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opts.flags |= nc.Context.option.NO_ALTERNATE_SCREEN;
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const nc_ = try nc.Context.core_init(&opts, null);
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nc_.mice_enable(nc.mice.ALL_EVENTS) catch {};
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try nc_.linesigs_disable();
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var conf_buf: ?[]const u8 = null;
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var conf = root.read_config(a, &conf_buf);
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defer if (conf_buf) |buf| a.free(buf);
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const theme = get_theme_by_name(conf.theme) orelse get_theme_by_name("dark_modern") orelse return tp.exit("unknown theme");
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conf.theme = theme.name;
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conf.input_mode = try a.dupe(u8, conf.input_mode);
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const frame_rate: usize = @intCast(tp.env.get().num("frame-rate"));
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if (frame_rate != 0)
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conf.frame_rate = frame_rate;
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const frame_time = std.time.us_per_s / conf.frame_rate;
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const frame_clock = try tp.metronome.init(frame_time);
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const fd_stdin = try tp.file_descriptor.init("stdin", nc_.inputready_fd());
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// const fd_stdin = try tp.file_descriptor.init("stdin", std.os.STDIN_FILENO);
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const n = nc_.stdplane();
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try frame_clock.start();
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try fd_stdin.wait_read();
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var self = try a.create(Self);
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self.* = .{
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.a = a,
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.config = conf,
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.nc = nc_,
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.frame_time = frame_time,
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.frame_clock = frame_clock,
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.frame_clock_running = true,
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.fd_stdin = fd_stdin,
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.receiver = Receiver.init(receive, self),
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.mainview = undefined,
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.message_filters = MessageFilter.List.init(a),
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.input_mode = null,
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.input_listeners = EventHandler.List.init(a),
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.logger = log.logger("tui"),
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.escape_code = ArrayList(u8).init(a),
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.bracketed_paste_buffer = ArrayList(u8).init(a),
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.init_timer = try tp.timeout.init_ms(init_delay, tp.message.fmt(.{"init"})),
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.theme = theme,
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.no_sleep = tp.env.get().is("no-sleep"),
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};
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try self.commands.init(self);
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errdefer self.deinit();
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instance_ = self;
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defer instance_ = null;
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try self.listen_sigwinch();
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self.mainview = try mainview.create(a, n);
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try self.initUI();
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try nc_.render();
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try self.save_config();
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// self.request_mouse_cursor_support_detect();
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self.bracketed_paste_enable();
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if (tp.env.get().is("restore-session")) {
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command.executeName("restore_session", .{}) catch |e| self.logger.err("restore_session", e);
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self.logger.print("session restored", .{});
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}
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return self;
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}
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pub fn initUI(self: *Self) !void {
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const n = self.nc.stdplane();
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var channels: u64 = 0;
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try nc.channels_set_fg_rgb(&channels, 0x88aa00);
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try nc.channels_set_bg_rgb(&channels, 0x000088);
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try nc.channels_set_bg_alpha(&channels, nc.ALPHA_TRANSPARENT);
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_ = try n.set_base(" ", 0, channels);
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try n.set_fg_rgb(0x40f040);
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try n.set_fg_rgb(0x00dddd);
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}
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fn init_delayed(self: *Self) tp.result {
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if (self.input_mode) |_| {} else return cmds.enter_mode(self, command.Context.fmt(.{self.config.input_mode}));
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}
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fn deinit(self: *Self) void {
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self.bracketed_paste_buffer.deinit();
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self.escape_code.deinit();
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if (self.input_mode) |*m| m.deinit();
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self.commands.deinit();
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self.fd_stdin.deinit();
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self.mainview.deinit(self.a);
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self.message_filters.deinit();
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self.input_listeners.deinit();
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if (self.frame_clock_running)
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self.frame_clock.stop() catch {};
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if (self.sigwinch_signal) |sig| sig.deinit();
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self.frame_clock.deinit();
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self.nc.stop();
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self.logger.deinit();
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self.a.destroy(self);
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}
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fn listen_sigwinch(self: *Self) tp.result {
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if (self.sigwinch_signal) |old| old.deinit();
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self.sigwinch_signal = tp.signal.init(std.posix.SIG.WINCH, tp.message.fmt(.{"sigwinch"})) catch |e| return tp.exit_error(e);
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}
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fn receive(self: *Self, from: tp.pid_ref, m: tp.message) tp.result {
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const frame = tracy.initZone(@src(), .{ .name = "tui" });
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defer frame.deinit();
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instance_ = self;
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defer instance_ = null;
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errdefer self.deinit();
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errdefer self.fd_stdin.cancel() catch {};
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errdefer self.nc.leave_alternate_screen();
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self.receive_safe(from, m) catch |e| {
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if (std.mem.eql(u8, "normal", tp.error_text()))
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return e;
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if (std.mem.eql(u8, "restart", tp.error_text()))
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return e;
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self.logger.err("UI", e);
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};
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}
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fn receive_safe(self: *Self, from: tp.pid_ref, m: tp.message) tp.result {
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if (self.message_filters.filter(from, m) catch |e| return self.logger.err("filter", e))
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return;
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var cmd: []const u8 = undefined;
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var ctx: cmds.Ctx = .{};
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if (try m.match(.{ "cmd", tp.extract(&cmd) }))
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return command.executeName(cmd, ctx) catch |e| self.logger.err(cmd, e);
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var arg: []const u8 = undefined;
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if (try m.match(.{ "cmd", tp.extract(&cmd), tp.extract_cbor(&arg) })) {
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ctx.args = .{ .buf = arg };
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return command.executeName(cmd, ctx) catch |e| self.logger.err(cmd, e);
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}
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if (try m.match(.{"quit"})) {
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project_manager.shutdown();
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return tp.exit_normal();
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}
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if (try m.match(.{ "project_manager", "shutdown" })) {
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return tp.exit_normal();
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}
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if (try m.match(.{"restart"})) {
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_ = try self.mainview.msg(.{"write_restore_info"});
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project_manager.shutdown();
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return tp.exit("restart");
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}
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if (try m.match(.{"sigwinch"})) {
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try self.listen_sigwinch();
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self.nc.refresh() catch |e| return self.logger.err("refresh", e);
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self.mainview.resize(Widget.Box.from(self.nc.stdplane()));
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need_render();
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return;
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}
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if (try m.match(.{ "system_clipboard", tp.string })) {
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if (self.input_mode) |mode|
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mode.handler.send(tp.self_pid(), m) catch |e| self.logger.err("clipboard handler", e);
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return;
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}
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if (self.dispatch_input(m) catch |e| b: {
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self.logger.err("input dispatch", e);
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break :b true;
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})
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return;
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if (try m.match(.{"render"})) {
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if (!self.frame_clock_running)
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self.render(std.time.microTimestamp());
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return;
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}
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var counter: usize = undefined;
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if (try m.match(.{ "tick", tp.extract(&counter) })) {
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tracy.frameMark();
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const current_time = std.time.microTimestamp();
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if (current_time < self.frame_last_time) { // clock moved backwards
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self.frame_last_time = current_time;
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return;
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}
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const time_delta = current_time - self.frame_last_time;
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if (time_delta >= self.frame_time * 2 / 3) {
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self.frame_last_time = current_time;
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self.render(current_time);
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}
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return;
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}
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if (try m.match(.{"init"})) {
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try self.init_delayed();
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self.render(std.time.microTimestamp());
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if (self.init_timer) |*timer| {
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timer.deinit();
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self.init_timer = null;
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} else {
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return tp.unexpected(m);
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}
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return;
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}
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if (try self.send_widgets(from, m))
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return;
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if (try m.match(.{ "exit", "normal" }))
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return;
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if (try m.match(.{ "exit", "timeout_error", 125, "Operation aborted." }))
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return;
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if (try m.match(.{ "exit", "DEADSEND", tp.more }))
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return;
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if (try m.match(.{ "PRJ", tp.more })) // drop late project manager query responses
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return;
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return tp.unexpected(m);
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}
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fn render(self: *Self, current_time: i64) void {
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self.frame_last_time = current_time;
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{
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const frame = tracy.initZone(@src(), .{ .name = "tui update" });
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defer frame.deinit();
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self.mainview.update();
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}
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const more = ret: {
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const frame = tracy.initZone(@src(), .{ .name = "tui render" });
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defer frame.deinit();
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self.nc.stdplane().erase();
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break :ret self.mainview.render(&self.theme);
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};
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{
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const frame = tracy.initZone(@src(), .{ .name = "notcurses render" });
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defer frame.deinit();
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self.nc.render() catch |e| self.logger.err("render", e);
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}
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self.idle_frame_count = if (self.unrendered_input_events_count > 0)
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0
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else
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self.idle_frame_count + 1;
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if (more or self.idle_frame_count < idle_frames or self.no_sleep) {
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self.unrendered_input_events_count = 0;
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if (!self.frame_clock_running) {
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self.frame_clock.start() catch {};
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self.frame_clock_running = true;
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}
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} else {
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if (self.frame_clock_running) {
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self.frame_clock.stop() catch {};
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self.frame_clock_running = false;
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}
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}
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}
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fn dispatch_input(self: *Self, m: tp.message) error{Exit}!bool {
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const frame = tracy.initZone(@src(), .{ .name = "tui input" });
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defer frame.deinit();
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var err: i64 = 0;
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var err_msg: []u8 = "";
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if (try m.match(.{ "fd", "stdin", "read_ready" })) {
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self.fd_stdin.wait_read() catch |e| return tp.exit_error(e);
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try self.dispatch_notcurses();
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return true; // consume message
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}
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if (try m.match(.{ "fd", "stdin", "read_error", tp.extract(&err), tp.extract(&err_msg) })) {
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return tp.exit(err_msg);
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}
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return false;
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}
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fn dispatch_notcurses(self: *Self) tp.result {
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var input_buffer: [256]nc.Input = undefined;
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while (true) {
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const nivec = self.nc.getvec_nblock(&input_buffer) catch |e| return tp.exit_error(e);
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if (nivec.len == 0)
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break;
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for (nivec) |*ni| {
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if (ni.id == 27 or self.escape_state != .none) {
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try self.handle_escape(ni);
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continue;
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}
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self.dispatch_input_event(ni) catch |e|
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self.logger.err("input dispatch", e);
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}
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}
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if (self.escape_state == .init)
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try self.handle_escape_short();
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if (self.unflushed_events_count > 0)
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_ = try self.dispatch_flush_input_event();
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if (self.unrendered_input_events_count > 0 and !self.frame_clock_running)
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need_render();
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}
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fn dispatch_input_event(self: *Self, ni: *nc.Input) tp.result {
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const keypress: u32 = ni.id;
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var buf: [256]u8 = undefined;
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self.unrendered_input_events_count += 1;
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ni.modifiers &= nc.mod.CTRL | nc.mod.SHIFT | nc.mod.ALT | nc.mod.SUPER | nc.mod.META | nc.mod.HYPER;
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if (keypress == nc.key.RESIZE) return;
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try self.sync_mod_state(keypress, ni.modifiers);
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if (keypress == nc.key.MOTION) {
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if (ni.y == 0 and ni.x == 0 and ni.ypx == -1 and ni.xpx == -1) return;
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self.dispatch_mouse(ni.y, ni.x, tp.self_pid(), tp.message.fmtbuf(&buf, .{
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"M",
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ni.x,
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ni.y,
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ni.xpx,
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ni.ypx,
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}) catch |e| return tp.exit_error(e));
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} else if (keypress > nc.key.MOTION and keypress <= nc.key.BUTTON11) {
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if (ni.y == 0 and ni.x == 0 and ni.ypx == -1 and ni.xpx == -1) return;
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if (try self.detect_drag(ni)) return;
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self.dispatch_mouse(ni.y, ni.x, tp.self_pid(), tp.message.fmtbuf(&buf, .{
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"B",
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ni.evtype,
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keypress,
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nc.key_string(ni),
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ni.x,
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ni.y,
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ni.xpx,
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ni.ypx,
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}) catch |e| return tp.exit_error(e));
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} else {
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self.unflushed_events_count += 1;
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self.send_input(tp.self_pid(), tp.message.fmtbuf(&buf, .{
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"I",
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normalized_evtype(ni.evtype),
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keypress,
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if (@hasField(nc.Input, "eff_text")) ni.eff_text[0] else keypress,
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nc.key_string(ni),
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ni.modifiers,
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}) catch |e| return tp.exit_error(e));
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}
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}
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fn dispatch_flush_input_event(self: *Self) error{Exit}!bool {
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var buf: [32]u8 = undefined;
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self.unflushed_events_count = 0;
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if (self.input_mode) |mode|
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try mode.handler.send(tp.self_pid(), tp.message.fmtbuf(&buf, .{"F"}) catch |e| return tp.exit_error(e));
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return false;
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}
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fn detect_drag(self: *Self, ni: *nc.Input) error{Exit}!bool {
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return switch (ni.id) {
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nc.key.BUTTON1...nc.key.BUTTON3, nc.key.BUTTON6...nc.key.BUTTON9 => if (self.drag) self.detect_drag_end(ni) else self.detect_drag_begin(ni),
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else => false,
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};
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}
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|
|
fn detect_drag_begin(self: *Self, ni: *nc.Input) error{Exit}!bool {
|
|
if (ni.evtype == nc.event_type.PRESS and self.drag_event.id == ni.id) {
|
|
self.drag_source = self.find_coord_widget(@intCast(self.drag_event.y), @intCast(self.drag_event.x));
|
|
self.drag_event = ni.*;
|
|
self.drag = true;
|
|
var buf: [256]u8 = undefined;
|
|
_ = try self.send_mouse_drag(tp.self_pid(), tp.message.fmtbuf(&buf, .{
|
|
"D",
|
|
nc.event_type.PRESS,
|
|
ni.id,
|
|
nc.key_string(ni),
|
|
ni.x,
|
|
ni.y,
|
|
ni.xpx,
|
|
ni.ypx,
|
|
}) catch |e| return tp.exit_error(e));
|
|
return true;
|
|
}
|
|
if (ni.evtype == nc.event_type.PRESS)
|
|
self.drag_event = ni.*
|
|
else
|
|
self.drag_event = nc.input();
|
|
return false;
|
|
}
|
|
|
|
fn detect_drag_end(self: *Self, ni: *nc.Input) error{Exit}!bool {
|
|
var buf: [256]u8 = undefined;
|
|
if (ni.id == self.drag_event.id and ni.evtype != nc.event_type.PRESS) {
|
|
_ = try self.send_mouse_drag(tp.self_pid(), tp.message.fmtbuf(&buf, .{
|
|
"D",
|
|
nc.event_type.RELEASE,
|
|
ni.id,
|
|
nc.key_string(ni),
|
|
ni.x,
|
|
ni.y,
|
|
ni.xpx,
|
|
ni.ypx,
|
|
}) catch |e| return tp.exit_error(e));
|
|
self.drag = false;
|
|
self.drag_event = nc.input();
|
|
self.drag_source = null;
|
|
return true;
|
|
}
|
|
_ = try self.send_mouse_drag(tp.self_pid(), tp.message.fmtbuf(&buf, .{
|
|
"D",
|
|
ni.evtype,
|
|
ni.id,
|
|
nc.key_string(ni),
|
|
ni.x,
|
|
ni.y,
|
|
ni.xpx,
|
|
ni.ypx,
|
|
}) catch |e| return tp.exit_error(e));
|
|
return true;
|
|
}
|
|
|
|
fn normalized_evtype(evtype: c_uint) c_uint {
|
|
return if (evtype == nc.event_type.UNKNOWN) @as(c_uint, @intCast(nc.event_type.PRESS)) else evtype;
|
|
}
|
|
|
|
const EscapeState = enum { none, init, OSC, st, CSI };
|
|
|
|
fn handle_escape(self: *Self, ni: *nc.Input) tp.result {
|
|
switch (self.escape_state) {
|
|
.none => switch (ni.id) {
|
|
'\x1B' => {
|
|
self.escape_state = .init;
|
|
self.escape_initial = ni.*;
|
|
},
|
|
else => unreachable,
|
|
},
|
|
.init => switch (ni.id) {
|
|
']' => self.escape_state = .OSC,
|
|
'[' => self.escape_state = .CSI,
|
|
else => {
|
|
try self.handle_escape_short();
|
|
_ = try self.dispatch_input_event(ni);
|
|
},
|
|
},
|
|
.OSC => switch (ni.id) {
|
|
'\x1B' => self.escape_state = .st,
|
|
'\\' => try self.handle_OSC_escape_code(),
|
|
' '...'\\' - 1, '\\' + 1...127 => {
|
|
const p = self.escape_code.addOne() catch |e| return tp.exit_error(e);
|
|
p.* = @intCast(ni.id);
|
|
},
|
|
else => try self.handle_OSC_escape_code(),
|
|
},
|
|
.st => switch (ni.id) {
|
|
'\\' => try self.handle_OSC_escape_code(),
|
|
else => try self.handle_OSC_escape_code(),
|
|
},
|
|
.CSI => switch (ni.id) {
|
|
'0'...'9', ';', ' ', '-', '?' => {
|
|
const p = self.escape_code.addOne() catch |e| return tp.exit_error(e);
|
|
p.* = @intCast(ni.id);
|
|
},
|
|
else => {
|
|
const p = self.escape_code.addOne() catch |e| return tp.exit_error(e);
|
|
p.* = @intCast(ni.id);
|
|
try self.handle_CSI_escape_code();
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
fn handle_escape_short(self: *Self) tp.result {
|
|
self.escape_code.clearAndFree();
|
|
self.escape_state = .none;
|
|
defer self.escape_initial = null;
|
|
if (self.escape_initial) |*ni|
|
|
_ = try self.dispatch_input_event(ni);
|
|
}
|
|
|
|
fn find_coord_widget(self: *Self, y: usize, x: usize) ?*Widget {
|
|
const Ctx = struct {
|
|
widget: ?*Widget = null,
|
|
y: usize,
|
|
x: usize,
|
|
fn find(ctx_: *anyopaque, w: *Widget) bool {
|
|
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
|
|
if (w.box().is_abs_coord_inside(ctx.y, ctx.x)) {
|
|
ctx.widget = w;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
var ctx: Ctx = .{ .y = y, .x = x };
|
|
_ = self.mainview.walk(&ctx, Ctx.find);
|
|
return ctx.widget;
|
|
}
|
|
|
|
pub fn is_abs_coord_in_widget(w: *const Widget, y: usize, x: usize) bool {
|
|
return w.box().is_abs_coord_inside(y, x);
|
|
}
|
|
|
|
fn is_live_widget_ptr(self: *Self, w_: *Widget) bool {
|
|
const Ctx = struct {
|
|
w: *Widget,
|
|
fn find(ctx_: *anyopaque, w: *Widget) bool {
|
|
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
|
|
return ctx.w == w;
|
|
}
|
|
};
|
|
var ctx: Ctx = .{ .w = w_ };
|
|
return self.mainview.walk(&ctx, Ctx.find);
|
|
}
|
|
|
|
fn send_widgets(self: *Self, from: tp.pid_ref, m: tp.message) error{Exit}!bool {
|
|
const frame = tracy.initZone(@src(), .{ .name = "tui widgets" });
|
|
defer frame.deinit();
|
|
tp.trace(tp.channel.widget, m);
|
|
return if (self.keyboard_focus) |w|
|
|
w.send(from, m)
|
|
else
|
|
self.mainview.send(from, m);
|
|
}
|
|
|
|
fn dispatch_mouse(self: *Self, y: c_int, x: c_int, from: tp.pid_ref, m: tp.message) void {
|
|
self.send_mouse(y, x, from, m) catch |e|
|
|
self.logger.err("dispatch mouse", e);
|
|
}
|
|
|
|
fn send_mouse(self: *Self, y: c_int, x: c_int, from: tp.pid_ref, m: tp.message) tp.result {
|
|
tp.trace(tp.channel.input, m);
|
|
_ = self.input_listeners.send(from, m) catch {};
|
|
if (self.keyboard_focus) |w| {
|
|
_ = try w.send(from, m);
|
|
} else if (self.find_coord_widget(@intCast(y), @intCast(x))) |w| {
|
|
if (if (self.hover_focus) |h| h != w else true) {
|
|
var buf: [256]u8 = undefined;
|
|
if (self.hover_focus) |h| {
|
|
if (self.is_live_widget_ptr(h))
|
|
_ = try h.send(tp.self_pid(), tp.message.fmtbuf(&buf, .{ "H", false }) catch |e| return tp.exit_error(e));
|
|
}
|
|
self.hover_focus = w;
|
|
_ = try w.send(tp.self_pid(), tp.message.fmtbuf(&buf, .{ "H", true }) catch |e| return tp.exit_error(e));
|
|
}
|
|
_ = try w.send(from, m);
|
|
} else {
|
|
if (self.hover_focus) |h| {
|
|
var buf: [256]u8 = undefined;
|
|
_ = try h.send(tp.self_pid(), tp.message.fmtbuf(&buf, .{ "H", false }) catch |e| return tp.exit_error(e));
|
|
}
|
|
self.hover_focus = null;
|
|
}
|
|
}
|
|
|
|
fn send_mouse_drag(self: *Self, from: tp.pid_ref, m: tp.message) error{Exit}!bool {
|
|
tp.trace(tp.channel.input, m);
|
|
_ = self.input_listeners.send(from, m) catch {};
|
|
return if (self.keyboard_focus) |w|
|
|
w.send(from, m)
|
|
else if (self.drag_source) |w|
|
|
w.send(from, m)
|
|
else
|
|
false;
|
|
}
|
|
|
|
fn send_input(self: *Self, from: tp.pid_ref, m: tp.message) void {
|
|
tp.trace(tp.channel.input, m);
|
|
if (self.bracketed_paste and self.handle_bracketed_paste_input(m) catch |e| {
|
|
self.bracketed_paste_buffer.clearAndFree();
|
|
self.bracketed_paste = false;
|
|
return self.logger.err("bracketed paste input handler", e);
|
|
}) {
|
|
return;
|
|
}
|
|
self.input_listeners.send(from, m) catch {};
|
|
if (self.keyboard_focus) |w|
|
|
if (w.send(from, m) catch |e| ret: {
|
|
self.logger.err("focus", e);
|
|
break :ret false;
|
|
})
|
|
return;
|
|
if (self.input_mode) |mode|
|
|
mode.handler.send(from, m) catch |e| self.logger.err("input handler", e);
|
|
}
|
|
|
|
pub fn save_config(self: *const Self) !void {
|
|
try root.write_config(self.config, self.a);
|
|
}
|
|
|
|
fn sync_mod_state(self: *Self, keypress: u32, modifiers: u32) tp.result {
|
|
if (keypress == nc.key.LCTRL or keypress == nc.key.RCTRL or keypress == nc.key.LALT or keypress == nc.key.RALT or
|
|
keypress == nc.key.LSHIFT or keypress == nc.key.RSHIFT or keypress == nc.key.LSUPER or keypress == nc.key.RSUPER) return;
|
|
if (nc.isCtrl(modifiers) and !self.mods.ctrl)
|
|
try self.send_key(nc.event_type.PRESS, nc.key.LCTRL, "lctrl", modifiers);
|
|
if (!nc.isCtrl(modifiers) and self.mods.ctrl)
|
|
try self.send_key(nc.event_type.RELEASE, nc.key.LCTRL, "lctrl", modifiers);
|
|
if (nc.isAlt(modifiers) and !self.mods.alt)
|
|
try self.send_key(nc.event_type.PRESS, nc.key.LALT, "lalt", modifiers);
|
|
if (!nc.isAlt(modifiers) and self.mods.alt)
|
|
try self.send_key(nc.event_type.RELEASE, nc.key.LALT, "lalt", modifiers);
|
|
if (nc.isShift(modifiers) and !self.mods.shift)
|
|
try self.send_key(nc.event_type.PRESS, nc.key.LSHIFT, "lshift", modifiers);
|
|
if (!nc.isShift(modifiers) and self.mods.shift)
|
|
try self.send_key(nc.event_type.RELEASE, nc.key.LSHIFT, "lshift", modifiers);
|
|
self.mods = .{
|
|
.ctrl = nc.isCtrl(modifiers),
|
|
.alt = nc.isAlt(modifiers),
|
|
.shift = nc.isShift(modifiers),
|
|
};
|
|
}
|
|
|
|
fn send_key(self: *Self, event_type: c_int, keypress: u32, key_string: []const u8, modifiers: u32) tp.result {
|
|
var buf: [256]u8 = undefined;
|
|
self.send_input(tp.self_pid(), tp.message.fmtbuf(&buf, .{
|
|
"I",
|
|
event_type,
|
|
keypress,
|
|
keypress,
|
|
key_string,
|
|
modifiers,
|
|
}) catch |e| return tp.exit_error(e));
|
|
}
|
|
|
|
const cmds = struct {
|
|
pub const Target = Self;
|
|
const Ctx = command.Context;
|
|
|
|
pub fn restart(_: *Self, _: Ctx) tp.result {
|
|
try tp.self_pid().send("restart");
|
|
}
|
|
|
|
pub fn log_widgets(self: *Self, _: Ctx) tp.result {
|
|
const l = log.logger("z stack");
|
|
defer l.deinit();
|
|
var buf: [256]u8 = undefined;
|
|
var buf_parent: [256]u8 = undefined;
|
|
var z: i32 = 0;
|
|
var n = self.nc.stdplane();
|
|
while (n.below()) |n_| : (n = n_) {
|
|
z -= 1;
|
|
l.print("{d} {s} {s}", .{ z, n_.name(&buf), n_.parent().name(&buf_parent) });
|
|
}
|
|
z = 0;
|
|
n = self.nc.stdplane();
|
|
while (n.above()) |n_| : (n = n_) {
|
|
z += 1;
|
|
l.print("{d} {s} {s}", .{ z, n_.name(&buf), n_.parent().name(&buf_parent) });
|
|
}
|
|
}
|
|
|
|
pub fn theme_next(self: *Self, _: Ctx) tp.result {
|
|
self.theme = get_next_theme_by_name(self.theme.name);
|
|
self.config.theme = self.theme.name;
|
|
self.logger.print("theme: {s}", .{self.theme.description});
|
|
self.save_config() catch |e| return tp.exit_error(e);
|
|
}
|
|
|
|
pub fn theme_prev(self: *Self, _: Ctx) tp.result {
|
|
self.theme = get_prev_theme_by_name(self.theme.name);
|
|
self.config.theme = self.theme.name;
|
|
self.logger.print("theme: {s}", .{self.theme.description});
|
|
self.save_config() catch |e| return tp.exit_error(e);
|
|
}
|
|
|
|
pub fn toggle_whitespace(self: *Self, _: Ctx) tp.result {
|
|
self.config.show_whitespace = !self.config.show_whitespace;
|
|
self.logger.print("show_whitspace {s}", .{if (self.config.show_whitespace) "enabled" else "disabled"});
|
|
self.save_config() catch |e| return tp.exit_error(e);
|
|
var buf: [32]u8 = undefined;
|
|
const m = tp.message.fmtbuf(&buf, .{ "show_whitespace", self.config.show_whitespace }) catch |e| return tp.exit_error(e);
|
|
_ = try self.send_widgets(tp.self_pid(), m);
|
|
}
|
|
|
|
pub fn toggle_input_mode(self: *Self, _: Ctx) tp.result {
|
|
self.config.input_mode = if (std.mem.eql(u8, self.config.input_mode, "flow")) "vim/normal" else "flow";
|
|
self.save_config() catch |e| return tp.exit_error(e);
|
|
return enter_mode(self, Ctx.fmt(.{self.config.input_mode}));
|
|
}
|
|
|
|
pub fn enter_mode(self: *Self, ctx: Ctx) tp.result {
|
|
var mode: []const u8 = undefined;
|
|
if (!try ctx.args.match(.{tp.extract(&mode)}))
|
|
return tp.exit_error(error.InvalidArgument);
|
|
if (self.mini_mode) |_| try cmds.exit_mini_mode(self, .{});
|
|
if (self.input_mode) |*m| m.deinit();
|
|
if (self.input_mode_outer) |*m| {
|
|
m.deinit();
|
|
self.input_mode_outer = null;
|
|
}
|
|
self.input_mode = if (std.mem.eql(u8, mode, "vim/normal"))
|
|
@import("mode/input/vim/normal.zig").create(self.a) catch |e| return tp.exit_error(e)
|
|
else if (std.mem.eql(u8, mode, "vim/insert"))
|
|
@import("mode/input/vim/insert.zig").create(self.a) catch |e| return tp.exit_error(e)
|
|
else if (std.mem.eql(u8, mode, "vim/visual"))
|
|
@import("mode/input/vim/visual.zig").create(self.a) catch |e| return tp.exit_error(e)
|
|
else if (std.mem.eql(u8, mode, "flow"))
|
|
@import("mode/input/flow.zig").create(self.a) catch |e| return tp.exit_error(e)
|
|
else if (std.mem.eql(u8, mode, "home"))
|
|
@import("mode/input/home.zig").create(self.a) catch |e| return tp.exit_error(e)
|
|
else ret: {
|
|
self.logger.print("unknown mode {s}", .{mode});
|
|
break :ret @import("mode/input/flow.zig").create(self.a) catch |e| return tp.exit_error(e);
|
|
};
|
|
// self.logger.print("input mode: {s}", .{(self.input_mode orelse return).description});
|
|
}
|
|
|
|
pub fn enter_mode_default(self: *Self, _: Ctx) tp.result {
|
|
return enter_mode(self, Ctx.fmt(.{self.config.input_mode}));
|
|
}
|
|
|
|
pub fn enter_overlay_mode(self: *Self, ctx: Ctx) tp.result {
|
|
var mode: []const u8 = undefined;
|
|
if (!try ctx.args.match(.{tp.extract(&mode)}))
|
|
return tp.exit_error(error.InvalidArgument);
|
|
if (self.mini_mode) |_| try cmds.exit_mini_mode(self, .{});
|
|
if (self.input_mode_outer) |*m| {
|
|
m.deinit();
|
|
self.input_mode_outer = null;
|
|
}
|
|
self.input_mode = if (std.mem.eql(u8, mode, "open_recent")) ret: {
|
|
self.input_mode_outer = self.input_mode;
|
|
break :ret @import("mode/overlay/open_recent.zig").create(self.a) catch |e| return tp.exit_error(e);
|
|
} else {
|
|
self.logger.print("unknown mode {s}", .{mode});
|
|
return;
|
|
};
|
|
// self.logger.print("input mode: {s}", .{(self.input_mode orelse return).description});
|
|
}
|
|
|
|
pub fn exit_overlay_mode(self: *Self, _: Ctx) tp.result {
|
|
if (self.input_mode_outer) |_| {} else return;
|
|
defer {
|
|
self.input_mode = self.input_mode_outer;
|
|
self.input_mode_outer = null;
|
|
}
|
|
if (self.input_mode) |*mode| mode.deinit();
|
|
}
|
|
|
|
pub fn enter_find_mode(self: *Self, ctx: Ctx) tp.result {
|
|
return enter_mini_mode(self, @import("mode/mini/find.zig"), ctx);
|
|
}
|
|
|
|
pub fn enter_find_in_files_mode(self: *Self, ctx: Ctx) tp.result {
|
|
return enter_mini_mode(self, @import("mode/mini/find_in_files.zig"), ctx);
|
|
}
|
|
|
|
pub fn enter_goto_mode(self: *Self, ctx: Ctx) tp.result {
|
|
return enter_mini_mode(self, @import("mode/mini/goto.zig"), ctx);
|
|
}
|
|
|
|
pub fn enter_move_to_char_mode(self: *Self, ctx: Ctx) tp.result {
|
|
return enter_mini_mode(self, @import("mode/mini/move_to_char.zig"), ctx);
|
|
}
|
|
|
|
pub fn enter_open_file_mode(self: *Self, ctx: Ctx) tp.result {
|
|
return enter_mini_mode(self, @import("mode/mini/open_file.zig"), ctx);
|
|
}
|
|
|
|
const MiniModeFactory = fn (Allocator, Ctx) error{ NotFound, OutOfMemory }!EventHandler;
|
|
|
|
fn enter_mini_mode(self: *Self, comptime mode: anytype, ctx: Ctx) tp.result {
|
|
self.input_mode_outer = self.input_mode;
|
|
errdefer {
|
|
self.input_mode = self.input_mode_outer;
|
|
self.input_mode_outer = null;
|
|
self.mini_mode = null;
|
|
}
|
|
const mode_instance = mode.create(self.a, ctx) catch |e| return tp.exit_error(e);
|
|
self.input_mode = .{
|
|
.handler = mode_instance.handler(),
|
|
.name = mode_instance.name(),
|
|
.description = mode_instance.name(),
|
|
};
|
|
self.mini_mode = .{};
|
|
}
|
|
|
|
pub fn exit_mini_mode(self: *Self, _: Ctx) tp.result {
|
|
if (self.mini_mode) |_| {} else return;
|
|
defer {
|
|
self.input_mode = self.input_mode_outer;
|
|
self.input_mode_outer = null;
|
|
self.mini_mode = null;
|
|
}
|
|
if (self.input_mode) |*mode| mode.deinit();
|
|
}
|
|
};
|
|
|
|
pub const Mode = struct {
|
|
handler: EventHandler,
|
|
name: []const u8,
|
|
description: []const u8,
|
|
line_numbers: enum { absolute, relative } = .absolute,
|
|
|
|
fn deinit(self: *Mode) void {
|
|
self.handler.deinit();
|
|
}
|
|
};
|
|
|
|
pub const MiniModeState = struct {
|
|
text: []const u8 = "",
|
|
cursor: ?usize = null,
|
|
};
|
|
|
|
threadlocal var instance_: ?*Self = null;
|
|
|
|
pub fn current() *Self {
|
|
return if (instance_) |p| p else @panic("tui call out of context");
|
|
}
|
|
|
|
const OSC = "\x1B]"; // Operating System Command
|
|
const ST = "\x1B\\"; // String Terminator
|
|
const BEL = "\x07";
|
|
const OSC0_title = OSC ++ "0;";
|
|
const OSC52_clipboard = OSC ++ "52;c;";
|
|
const OSC52_clipboard_paste = OSC ++ "52;p;";
|
|
const OSC22_cursor = OSC ++ "22;";
|
|
const OSC22_cursor_reply = OSC ++ "22:";
|
|
|
|
pub fn set_terminal_title(text: []const u8) void {
|
|
var writer = std.io.getStdOut().writer();
|
|
var buf: [std.posix.PATH_MAX]u8 = undefined;
|
|
const term_cmd = std.fmt.bufPrint(&buf, OSC0_title ++ "{s}" ++ BEL, .{text}) catch return;
|
|
_ = writer.write(term_cmd) catch return;
|
|
}
|
|
|
|
pub fn copy_to_system_clipboard(self: *const Self, text: []const u8) void {
|
|
self.copy_to_system_clipboard_with_errors(text) catch |e| self.logger.err("copy_to_system_clipboard", e);
|
|
}
|
|
|
|
pub fn copy_to_system_clipboard_with_errors(self: *const Self, text: []const u8) !void {
|
|
var writer = std.io.getStdOut().writer();
|
|
const encoder = std.base64.standard.Encoder;
|
|
const size = OSC52_clipboard.len + encoder.calcSize(text.len) + ST.len;
|
|
const buf = try self.a.alloc(u8, size);
|
|
defer self.a.free(buf);
|
|
@memcpy(buf[0..OSC52_clipboard.len], OSC52_clipboard);
|
|
const b64 = encoder.encode(buf[OSC52_clipboard.len..], text);
|
|
@memcpy(buf[OSC52_clipboard.len + b64.len ..], ST);
|
|
_ = try writer.write(buf);
|
|
}
|
|
|
|
pub fn write_stdout(self: *const Self, bytes: []const u8) void {
|
|
_ = std.io.getStdOut().writer().write(bytes) catch |e| self.logger.err("stdout", e);
|
|
}
|
|
|
|
pub fn request_system_clipboard(self: *const Self) void {
|
|
self.write_stdout(OSC52_clipboard ++ "?" ++ ST);
|
|
}
|
|
|
|
pub fn request_mouse_cursor_text(self: *const Self, push_or_pop: bool) void {
|
|
if (push_or_pop) self.mouse_cursor_push("text") else self.mouse_cursor_pop();
|
|
}
|
|
|
|
pub fn request_mouse_cursor_pointer(self: *const Self, push_or_pop: bool) void {
|
|
if (push_or_pop) self.mouse_cursor_push("pointer") else self.mouse_cursor_pop();
|
|
}
|
|
|
|
pub fn request_mouse_cursor_default(self: *const Self, push_or_pop: bool) void {
|
|
if (push_or_pop) self.mouse_cursor_push("default") else self.mouse_cursor_pop();
|
|
}
|
|
|
|
fn mouse_cursor_push(self: *const Self, comptime name: []const u8) void {
|
|
self.write_stdout(OSC22_cursor ++ name ++ ST);
|
|
}
|
|
|
|
fn mouse_cursor_pop(self: *const Self) void {
|
|
self.write_stdout(OSC22_cursor ++ "default" ++ ST);
|
|
}
|
|
|
|
fn match_code(self: *const Self, match: []const u8, skip: usize) bool {
|
|
const code = self.escape_code.items;
|
|
if (!(code.len >= match.len - skip)) return false;
|
|
const code_prefix = code[0 .. match.len - skip];
|
|
return std.mem.eql(u8, match[skip..], code_prefix);
|
|
}
|
|
|
|
fn handle_OSC_escape_code(self: *Self) tp.result {
|
|
self.escape_state = .none;
|
|
self.escape_initial = null;
|
|
defer self.escape_code.clearAndFree();
|
|
const code = self.escape_code.items;
|
|
if (self.match_code(OSC52_clipboard, OSC.len))
|
|
return self.handle_system_clipboard(code[OSC52_clipboard.len - OSC.len ..]);
|
|
if (self.match_code(OSC52_clipboard_paste, OSC.len))
|
|
return self.handle_system_clipboard(code[OSC52_clipboard_paste.len - OSC.len ..]);
|
|
if (self.match_code(OSC22_cursor_reply, OSC.len))
|
|
return self.handle_mouse_cursor(code[OSC22_cursor_reply.len - OSC.len ..]);
|
|
self.logger.print("ignored escape code: OSC {s}", .{std.fmt.fmtSliceEscapeLower(code)});
|
|
}
|
|
|
|
fn handle_system_clipboard(self: *Self, base64: []const u8) tp.result {
|
|
const decoder = std.base64.standard.Decoder;
|
|
// try self.logger.print("clipboard: b64 {s}", .{base64});
|
|
const text = self.a.alloc(
|
|
u8,
|
|
decoder.calcSizeForSlice(base64) catch |e| return tp.exit_error(e),
|
|
) catch |e| return tp.exit_error(e);
|
|
decoder.decode(text, base64) catch |e| return tp.exit_error(e);
|
|
// try self.logger.print("clipboard: txt {s}", .{std.fmt.fmtSliceEscapeLower(text)});
|
|
return tp.self_pid().send(.{ "system_clipboard", text });
|
|
}
|
|
|
|
fn handle_mouse_cursor(self: *Self, text: []const u8) tp.result {
|
|
self.logger.print("mouse cursor report: {s}", .{text});
|
|
}
|
|
|
|
const CSI = "\x1B["; // Control Sequence Introducer
|
|
const CSI_bracketed_paste_enable = CSI ++ "?2004h";
|
|
const CSI_bracketed_paste_disable = CSI ++ "?2004h";
|
|
const CIS_bracketed_paste_begin = CSI ++ "200~";
|
|
const CIS_bracketed_paste_end = CSI ++ "201~";
|
|
|
|
fn handle_CSI_escape_code(self: *Self) tp.result {
|
|
self.escape_state = .none;
|
|
self.escape_initial = null;
|
|
defer self.escape_code.clearAndFree();
|
|
const code = self.escape_code.items;
|
|
if (self.match_code(CIS_bracketed_paste_begin, CSI.len))
|
|
return self.handle_bracketed_paste_begin();
|
|
if (self.match_code(CIS_bracketed_paste_end, CSI.len))
|
|
return self.handle_bracketed_paste_end();
|
|
self.logger.print("ignored escape code: CSI {s}", .{std.fmt.fmtSliceEscapeLower(code)});
|
|
}
|
|
|
|
fn handle_bracketed_paste_begin(self: *Self) tp.result {
|
|
_ = try self.dispatch_flush_input_event();
|
|
self.bracketed_paste_buffer.clearAndFree();
|
|
self.bracketed_paste = true;
|
|
}
|
|
|
|
fn handle_bracketed_paste_input(self: *Self, m: tp.message) !bool {
|
|
var keypress: u32 = undefined;
|
|
var egc: u32 = undefined;
|
|
if (try m.match(.{ "I", tp.number, tp.extract(&keypress), tp.extract(&egc), tp.string, 0 })) {
|
|
switch (keypress) {
|
|
nc.key.ENTER => try self.bracketed_paste_buffer.appendSlice("\n"),
|
|
else => if (!nc.key.synthesized_p(keypress)) {
|
|
var buf: [6]u8 = undefined;
|
|
const bytes = try nc.ucs32_to_utf8(&[_]u32{egc}, &buf);
|
|
try self.bracketed_paste_buffer.appendSlice(buf[0..bytes]);
|
|
} else {
|
|
try self.handle_bracketed_paste_end();
|
|
return false;
|
|
},
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
fn handle_bracketed_paste_end(self: *Self) tp.result {
|
|
defer self.bracketed_paste_buffer.clearAndFree();
|
|
if (!self.bracketed_paste) return;
|
|
self.bracketed_paste = false;
|
|
return tp.self_pid().send(.{ "system_clipboard", self.bracketed_paste_buffer.items });
|
|
}
|
|
|
|
fn bracketed_paste_enable(self: *const Self) void {
|
|
self.write_stdout(CSI_bracketed_paste_enable);
|
|
}
|
|
|
|
fn bracketed_paste_disable(self: *const Self) void {
|
|
self.write_stdout(CSI_bracketed_paste_disable);
|
|
}
|
|
|
|
pub inline fn fg_channels_from_style(channels: *u64, style: Widget.Theme.Style) void {
|
|
if (style.fg) |fg| {
|
|
nc.channels_set_fg_rgb(channels, fg) catch {};
|
|
nc.channels_set_fg_alpha(channels, nc.ALPHA_OPAQUE) catch {};
|
|
}
|
|
}
|
|
|
|
pub inline fn bg_channels_from_style(channels: *u64, style: Widget.Theme.Style) void {
|
|
if (style.bg) |bg| {
|
|
nc.channels_set_bg_rgb(channels, bg) catch {};
|
|
nc.channels_set_bg_alpha(channels, nc.ALPHA_OPAQUE) catch {};
|
|
}
|
|
}
|
|
|
|
pub inline fn channels_from_style(channels: *u64, style: Widget.Theme.Style) void {
|
|
fg_channels_from_style(channels, style);
|
|
bg_channels_from_style(channels, style);
|
|
}
|
|
|
|
pub inline fn set_cell_style(cell: *nc.Cell, style: Widget.Theme.Style) void {
|
|
channels_from_style(&cell.channels, style);
|
|
if (style.fs) |fs| switch (fs) {
|
|
.normal => nc.cell_set_styles(cell, nc.style.none),
|
|
.bold => nc.cell_set_styles(cell, nc.style.bold),
|
|
.italic => nc.cell_set_styles(cell, nc.style.italic),
|
|
.underline => nc.cell_set_styles(cell, nc.style.underline),
|
|
.strikethrough => nc.cell_set_styles(cell, nc.style.struck),
|
|
};
|
|
}
|
|
|
|
pub inline fn set_cell_style_fg(cell: *nc.Cell, style: Widget.Theme.Style) void {
|
|
fg_channels_from_style(&cell.channels, style);
|
|
}
|
|
|
|
pub inline fn set_cell_style_bg(cell: *nc.Cell, style: Widget.Theme.Style) void {
|
|
bg_channels_from_style(&cell.channels, style);
|
|
}
|
|
|
|
pub inline fn set_base_style(plane: *const nc.Plane, egc: [*c]const u8, style: Widget.Theme.Style) void {
|
|
var channels: u64 = 0;
|
|
channels_from_style(&channels, style);
|
|
if (style.fg) |fg| plane.set_fg_rgb(fg) catch {};
|
|
if (style.bg) |bg| plane.set_bg_rgb(bg) catch {};
|
|
_ = plane.set_base(egc, 0, channels) catch {};
|
|
}
|
|
|
|
pub fn set_base_style_alpha(plane: nc.Plane, egc: [*:0]const u8, style: Widget.Theme.Style, fg_alpha: c_uint, bg_alpha: c_uint) !void {
|
|
var channels: u64 = 0;
|
|
if (style.fg) |fg| {
|
|
nc.channels_set_fg_rgb(&channels, fg) catch {};
|
|
nc.channels_set_fg_alpha(&channels, fg_alpha) catch {};
|
|
}
|
|
if (style.bg) |bg| {
|
|
nc.channels_set_bg_rgb(&channels, bg) catch {};
|
|
nc.channels_set_bg_alpha(&channels, bg_alpha) catch {};
|
|
}
|
|
if (style.fg) |fg| plane.set_fg_rgb(fg) catch {};
|
|
if (style.bg) |bg| plane.set_bg_rgb(bg) catch {};
|
|
_ = plane.set_base(egc, 0, channels) catch {};
|
|
}
|
|
|
|
pub inline fn set_style(plane: *const nc.Plane, style: Widget.Theme.Style) void {
|
|
var channels: u64 = 0;
|
|
channels_from_style(&channels, style);
|
|
plane.set_channels(channels);
|
|
if (style.fs) |fs| switch (fs) {
|
|
.normal => plane.set_styles(nc.style.none),
|
|
.bold => plane.set_styles(nc.style.bold),
|
|
.italic => plane.set_styles(nc.style.italic),
|
|
.underline => plane.set_styles(nc.style.underline),
|
|
.strikethrough => plane.set_styles(nc.style.struck),
|
|
};
|
|
}
|
|
|
|
pub fn get_mode() []const u8 {
|
|
return if (current().input_mode) |m| m.name else "INI";
|
|
}
|
|
|
|
pub fn need_render() void {
|
|
tp.self_pid().send(.{"render"}) catch {};
|
|
}
|
|
|
|
pub fn get_theme_by_name(name: []const u8) ?Widget.Theme {
|
|
for (Widget.themes) |theme| {
|
|
if (std.mem.eql(u8, theme.name, name))
|
|
return theme;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
pub fn get_next_theme_by_name(name: []const u8) Widget.Theme {
|
|
var next = false;
|
|
for (Widget.themes) |theme| {
|
|
if (next)
|
|
return theme;
|
|
if (std.mem.eql(u8, theme.name, name))
|
|
next = true;
|
|
}
|
|
return Widget.themes[0];
|
|
}
|
|
|
|
pub fn get_prev_theme_by_name(name: []const u8) Widget.Theme {
|
|
var prev: ?Widget.Theme = null;
|
|
for (Widget.themes) |theme| {
|
|
if (std.mem.eql(u8, theme.name, name))
|
|
return prev orelse Widget.themes[Widget.themes.len - 1];
|
|
prev = theme;
|
|
}
|
|
return Widget.themes[Widget.themes.len - 1];
|
|
}
|
|
|
|
pub fn find_scope_style(theme: *const Widget.Theme, scope: []const u8) ?Widget.Theme.Token {
|
|
return if (find_scope_fallback(scope)) |tm_scope| find_scope_style_nofallback(theme, tm_scope) orelse find_scope_style_nofallback(theme, scope) else find_scope_style_nofallback(theme, scope);
|
|
}
|
|
|
|
fn find_scope_style_nofallback(theme: *const Widget.Theme, scope: []const u8) ?Widget.Theme.Token {
|
|
var idx = theme.tokens.len - 1;
|
|
var done = false;
|
|
while (!done) : (if (idx == 0) {
|
|
done = true;
|
|
} else {
|
|
idx -= 1;
|
|
}) {
|
|
const token = theme.tokens[idx];
|
|
const name = Widget.scopes[token.id];
|
|
if (name.len > scope.len)
|
|
continue;
|
|
if (std.mem.eql(u8, name, scope[0..name.len]))
|
|
return token;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
fn find_scope_fallback(scope: []const u8) ?[]const u8 {
|
|
for (fallbacks) |fallback| {
|
|
if (fallback.ts.len > scope.len)
|
|
continue;
|
|
if (std.mem.eql(u8, fallback.ts, scope[0..fallback.ts.len]))
|
|
return fallback.tm;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
pub const FallBack = struct { ts: []const u8, tm: []const u8 };
|
|
pub const fallbacks: []const FallBack = &[_]FallBack{
|
|
.{ .ts = "namespace", .tm = "entity.name.namespace" },
|
|
.{ .ts = "type", .tm = "entity.name.type" },
|
|
.{ .ts = "type.defaultLibrary", .tm = "support.type" },
|
|
.{ .ts = "struct", .tm = "storage.type.struct" },
|
|
.{ .ts = "class", .tm = "entity.name.type.class" },
|
|
.{ .ts = "class.defaultLibrary", .tm = "support.class" },
|
|
.{ .ts = "interface", .tm = "entity.name.type.interface" },
|
|
.{ .ts = "enum", .tm = "entity.name.type.enum" },
|
|
.{ .ts = "function", .tm = "entity.name.function" },
|
|
.{ .ts = "function.defaultLibrary", .tm = "support.function" },
|
|
.{ .ts = "method", .tm = "entity.name.function.member" },
|
|
.{ .ts = "macro", .tm = "entity.name.function.macro" },
|
|
.{ .ts = "variable", .tm = "variable.other.readwrite , entity.name.variable" },
|
|
.{ .ts = "variable.readonly", .tm = "variable.other.constant" },
|
|
.{ .ts = "variable.readonly.defaultLibrary", .tm = "support.constant" },
|
|
.{ .ts = "parameter", .tm = "variable.parameter" },
|
|
.{ .ts = "property", .tm = "variable.other.property" },
|
|
.{ .ts = "property.readonly", .tm = "variable.other.constant.property" },
|
|
.{ .ts = "enumMember", .tm = "variable.other.enummember" },
|
|
.{ .ts = "event", .tm = "variable.other.event" },
|
|
|
|
// zig
|
|
.{ .ts = "attribute", .tm = "keyword" },
|
|
.{ .ts = "number", .tm = "constant.numeric" },
|
|
.{ .ts = "conditional", .tm = "keyword.control.conditional" },
|
|
.{ .ts = "operator", .tm = "keyword.operator" },
|
|
.{ .ts = "boolean", .tm = "keyword.constant.bool" },
|
|
.{ .ts = "string", .tm = "string.quoted" },
|
|
.{ .ts = "repeat", .tm = "keyword.control.flow" },
|
|
.{ .ts = "field", .tm = "variable" },
|
|
};
|