123 lines
4.8 KiB
Zig
123 lines
4.8 KiB
Zig
const std = @import("std");
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const tp = @import("thespian");
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const cbor = @import("cbor");
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const log = @import("log");
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const root = @import("root");
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const input = @import("input");
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const keybind = @import("keybind");
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const command = @import("command");
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const EventHandler = @import("EventHandler");
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const tui = @import("../../tui.zig");
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pub fn Create(options: type) type {
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return struct {
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allocator: std.mem.Allocator,
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input: std.ArrayList(u8),
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commands: Commands = undefined,
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const Commands = command.Collection(cmds);
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const Self = @This();
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pub fn create(allocator: std.mem.Allocator, _: command.Context) !struct { tui.Mode, tui.MiniMode } {
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const self: *Self = try allocator.create(Self);
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self.* = .{
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.allocator = allocator,
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.input = std.ArrayList(u8).init(allocator),
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};
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try self.commands.init(self);
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if (@hasDecl(options, "restore_state"))
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options.restore_state(self) catch {};
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var mode = try keybind.mode("mini/buffer", allocator, .{
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.insert_command = "mini_mode_insert_bytes",
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});
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mode.event_handler = EventHandler.to_owned(self);
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return .{ mode, .{ .name = options.name(self) } };
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}
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pub fn deinit(self: *Self) void {
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self.commands.deinit();
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self.input.deinit();
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self.allocator.destroy(self);
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}
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pub fn receive(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
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var text: []const u8 = undefined;
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if (try m.match(.{ "system_clipboard", tp.extract(&text) })) {
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self.input.appendSlice(text) catch |e| return tp.exit_error(e, @errorReturnTrace());
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}
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self.update_mini_mode_text();
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return false;
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}
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fn message(comptime fmt: anytype, args: anytype) void {
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var buf: [256]u8 = undefined;
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tp.self_pid().send(.{ "message", std.fmt.bufPrint(&buf, fmt, args) catch @panic("too large") }) catch {};
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}
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fn update_mini_mode_text(self: *Self) void {
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if (tui.mini_mode()) |mini_mode| {
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mini_mode.text = self.input.items;
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mini_mode.cursor = tui.egc_chunk_width(self.input.items, 0, 8);
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}
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}
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const cmds = struct {
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pub const Target = Self;
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const Ctx = command.Context;
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const Result = command.Result;
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pub fn mini_mode_reset(self: *Self, _: Ctx) Result {
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self.input.clearRetainingCapacity();
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self.update_mini_mode_text();
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}
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pub const mini_mode_reset_meta = .{ .description = "Clear input" };
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pub fn mini_mode_cancel(_: *Self, _: Ctx) Result {
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command.executeName("exit_mini_mode", .{}) catch {};
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}
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pub const mini_mode_cancel_meta = .{ .description = "Cancel input" };
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pub fn mini_mode_delete_backwards(self: *Self, _: Ctx) Result {
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if (self.input.items.len > 0) {
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self.input.shrinkRetainingCapacity(self.input.items.len - tui.egc_last(self.input.items).len);
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}
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self.update_mini_mode_text();
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}
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pub const mini_mode_delete_backwards_meta = .{ .description = "Delete backwards" };
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pub fn mini_mode_insert_code_point(self: *Self, ctx: Ctx) Result {
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var egc: u32 = 0;
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if (!try ctx.args.match(.{tp.extract(&egc)}))
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return error.InvalidMiniBufferInsertCodePointArgument;
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var buf: [32]u8 = undefined;
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const bytes = try input.ucs32_to_utf8(&[_]u32{egc}, &buf);
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try self.input.appendSlice(buf[0..bytes]);
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self.update_mini_mode_text();
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}
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pub const mini_mode_insert_code_point_meta = .{ .arguments = &.{.integer} };
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pub fn mini_mode_insert_bytes(self: *Self, ctx: Ctx) Result {
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var bytes: []const u8 = undefined;
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if (!try ctx.args.match(.{tp.extract(&bytes)}))
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return error.InvalidMiniBufferInsertBytesArgument;
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try self.input.appendSlice(bytes);
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self.update_mini_mode_text();
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}
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pub const mini_mode_insert_bytes_meta = .{ .arguments = &.{.string} };
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pub fn mini_mode_select(self: *Self, _: Ctx) Result {
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options.select(self);
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self.update_mini_mode_text();
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}
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pub const mini_mode_select_meta = .{ .description = "Select" };
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pub fn mini_mode_paste(self: *Self, ctx: Ctx) Result {
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return mini_mode_insert_bytes(self, ctx);
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}
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pub const mini_mode_paste_meta = .{ .arguments = &.{.string} };
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};
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};
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}
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