357 lines
14 KiB
Zig
357 lines
14 KiB
Zig
const std = @import("std");
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const tp = @import("thespian");
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const log = @import("log");
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const cbor = @import("cbor");
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const root = @import("root");
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const Plane = @import("renderer").Plane;
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const input = @import("input");
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const keybind = @import("keybind");
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const project_manager = @import("project_manager");
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const command = @import("command");
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const EventHandler = @import("EventHandler");
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const BufferManager = @import("Buffer").Manager;
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const tui = @import("../../tui.zig");
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const MessageFilter = @import("../../MessageFilter.zig");
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const Button = @import("../../Button.zig");
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const InputBox = @import("../../InputBox.zig");
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const Menu = @import("../../Menu.zig");
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const Widget = @import("../../Widget.zig");
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const ModalBackground = @import("../../ModalBackground.zig");
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const Self = @This();
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const max_recent_files: usize = 25;
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allocator: std.mem.Allocator,
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f: usize = 0,
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modal: *ModalBackground.State(*Self),
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menu: *Menu.State(*Self),
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inputbox: *InputBox.State(*Self),
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logger: log.Logger,
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query_pending: bool = false,
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need_reset: bool = false,
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need_select_first: bool = true,
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longest: usize = 0,
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commands: Commands = undefined,
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buffer_manager: ?*BufferManager,
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pub fn create(allocator: std.mem.Allocator) !tui.Mode {
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const mv = tui.mainview() orelse return error.NotFound;
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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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.modal = try ModalBackground.create(*Self, allocator, tui.mainview_widget(), .{ .ctx = self }),
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.menu = try Menu.create(*Self, allocator, tui.plane(), .{
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.ctx = self,
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.on_render = on_render_menu,
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.on_resize = on_resize_menu,
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}),
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.logger = log.logger(@typeName(Self)),
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.inputbox = (try self.menu.add_header(try InputBox.create(*Self, self.allocator, self.menu.menu.parent, .{
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.ctx = self,
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.label = "Search files by name",
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}))).dynamic_cast(InputBox.State(*Self)) orelse unreachable,
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.buffer_manager = tui.get_buffer_manager(),
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};
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try self.commands.init(self);
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try tui.message_filters().add(MessageFilter.bind(self, receive_project_manager));
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self.query_pending = true;
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try project_manager.request_recent_files(max_recent_files);
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self.menu.resize(.{ .y = 0, .x = self.menu_pos_x(), .w = max_menu_width() + 2 });
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try mv.floating_views.add(self.modal.widget());
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try mv.floating_views.add(self.menu.container_widget);
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var mode = try keybind.mode("overlay/palette", allocator, .{
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.insert_command = "overlay_insert_bytes",
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});
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mode.event_handler = EventHandler.to_owned(self);
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mode.name = " open recent";
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return mode;
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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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tui.message_filters().remove_ptr(self);
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if (tui.mainview()) |mv| {
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mv.floating_views.remove(self.menu.container_widget);
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mv.floating_views.remove(self.modal.widget());
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}
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self.logger.deinit();
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self.allocator.destroy(self);
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}
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inline fn menu_width(self: *Self) usize {
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return @min(self.longest, max_menu_width()) + 2;
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}
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inline fn menu_pos_x(self: *Self) usize {
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const screen_width = tui.screen().w;
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const width = self.menu_width();
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return if (screen_width <= width) 0 else (screen_width - width) / 2;
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}
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inline fn max_menu_width() usize {
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const width = tui.screen().w;
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return @max(15, width - (width / 5));
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}
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fn on_render_menu(self: *Self, button: *Button.State(*Menu.State(*Self)), theme: *const Widget.Theme, selected: bool) bool {
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const style_base = theme.editor_widget;
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const style_label = if (button.active) theme.editor_cursor else if (button.hover or selected) theme.editor_selection else theme.editor_widget;
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const style_keybind = if (tui.find_scope_style(theme, "entity.name")) |sty| sty.style else style_base;
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button.plane.set_base_style(style_base);
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button.plane.erase();
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button.plane.home();
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button.plane.set_style(style_label);
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if (button.active or button.hover or selected) {
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button.plane.fill(" ");
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button.plane.home();
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}
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var file_path: []const u8 = undefined;
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var iter = button.opts.label; // label contains cbor, first the file name, then multiple match indexes
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if (!(cbor.matchString(&iter, &file_path) catch false))
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file_path = "#ERROR#";
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button.plane.set_style(style_keybind);
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const dirty = if (self.buffer_manager) |bm| if (bm.is_buffer_dirty(file_path)) "" else " " else " ";
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const pointer = if (selected) "⏵" else dirty;
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_ = button.plane.print("{s}", .{pointer}) catch {};
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var buf: [std.fs.max_path_bytes]u8 = undefined;
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var removed_prefix: usize = 0;
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const max_len = max_menu_width() - 2;
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button.plane.set_style(style_label);
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_ = button.plane.print("{s} ", .{
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if (file_path.len > max_len) root.shorten_path(&buf, file_path, &removed_prefix, max_len) else file_path,
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}) catch {};
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var index: usize = 0;
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var len = cbor.decodeArrayHeader(&iter) catch return false;
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while (len > 0) : (len -= 1) {
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if (cbor.matchValue(&iter, cbor.extract(&index)) catch break) {
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const cell_idx = if (index < removed_prefix) 1 else index + 1 - removed_prefix;
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render_cell(&button.plane, 0, cell_idx, theme.editor_match) catch break;
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} else break;
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}
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return false;
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}
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fn render_cell(plane: *Plane, y: usize, x: usize, style: Widget.Theme.Style) !void {
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plane.cursor_move_yx(@intCast(y), @intCast(x)) catch return;
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var cell = plane.cell_init();
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_ = plane.at_cursor_cell(&cell) catch return;
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cell.set_style(style);
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_ = plane.putc(&cell) catch {};
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}
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fn on_resize_menu(self: *Self, _: *Menu.State(*Self), _: Widget.Box) void {
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self.menu.resize(.{ .y = 0, .x = self.menu_pos_x(), .w = self.menu_width() });
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}
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fn menu_action_open_file(menu: **Menu.State(*Self), button: *Button.State(*Menu.State(*Self))) void {
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var file_path: []const u8 = undefined;
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var iter = button.opts.label;
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if (!(cbor.matchString(&iter, &file_path) catch false)) return;
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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", "navigate", .{ .file = file_path } }) catch |e| menu.*.opts.ctx.logger.err("navigate", e);
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}
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fn add_item(self: *Self, file_name: []const u8, matches: ?[]const u8) !void {
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var label = std.ArrayList(u8).init(self.allocator);
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defer label.deinit();
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const writer = label.writer();
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try cbor.writeValue(writer, file_name);
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if (matches) |cb| _ = try writer.write(cb);
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try self.menu.add_item_with_handler(label.items, menu_action_open_file);
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}
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fn receive_project_manager(self: *Self, _: tp.pid_ref, m: tp.message) MessageFilter.Error!bool {
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if (cbor.match(m.buf, .{ "PRJ", tp.more }) catch false) {
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try self.process_project_manager(m);
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return true;
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}
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return false;
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}
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fn process_project_manager(self: *Self, m: tp.message) MessageFilter.Error!void {
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var file_name: []const u8 = undefined;
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var matches: []const u8 = undefined;
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var query: []const u8 = undefined;
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if (try cbor.match(m.buf, .{ "PRJ", "recent", tp.extract(&self.longest), tp.extract(&file_name), tp.extract_cbor(&matches) })) {
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if (self.need_reset) self.reset_results();
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try self.add_item(file_name, matches);
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self.menu.resize(.{ .y = 0, .x = self.menu_pos_x(), .w = self.menu_width() });
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if (self.need_select_first) {
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self.menu.select_down();
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self.need_select_first = false;
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}
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tui.need_render();
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} else if (try cbor.match(m.buf, .{ "PRJ", "recent", tp.extract(&self.longest), tp.extract(&file_name) })) {
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if (self.need_reset) self.reset_results();
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try self.add_item(file_name, null);
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self.menu.resize(.{ .y = 0, .x = self.menu_pos_x(), .w = self.menu_width() });
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if (self.need_select_first) {
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self.menu.select_down();
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self.need_select_first = false;
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}
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tui.need_render();
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} else if (try cbor.match(m.buf, .{ "PRJ", "recent_done", tp.extract(&self.longest), tp.extract(&query) })) {
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self.query_pending = false;
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self.need_reset = true;
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if (!std.mem.eql(u8, self.inputbox.text.items, query))
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try self.start_query();
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} else {
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self.logger.err("receive", tp.unexpected(m));
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}
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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.insert_bytes(text) catch |e| return tp.exit_error(e, @errorReturnTrace());
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}
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return false;
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}
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fn reset_results(self: *Self) void {
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self.need_reset = false;
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self.menu.reset_items();
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self.menu.selected = null;
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self.need_select_first = true;
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}
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fn start_query(self: *Self) MessageFilter.Error!void {
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if (self.query_pending) return;
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self.query_pending = true;
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try project_manager.query_recent_files(max_recent_files, self.inputbox.text.items);
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}
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fn delete_word(self: *Self) !void {
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if (std.mem.lastIndexOfAny(u8, self.inputbox.text.items, "/\\. -_")) |pos| {
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self.inputbox.text.shrinkRetainingCapacity(pos);
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} else {
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self.inputbox.text.shrinkRetainingCapacity(0);
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}
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self.inputbox.cursor = tui.egc_chunk_width(self.inputbox.text.items, 0, 8);
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return self.start_query();
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}
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fn delete_code_point(self: *Self) !void {
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if (self.inputbox.text.items.len > 0) {
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self.inputbox.text.shrinkRetainingCapacity(self.inputbox.text.items.len - tui.egc_last(self.inputbox.text.items).len);
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self.inputbox.cursor = tui.egc_chunk_width(self.inputbox.text.items, 0, 8);
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}
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return self.start_query();
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}
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fn insert_code_point(self: *Self, c: u32) !void {
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var buf: [6]u8 = undefined;
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const bytes = try input.ucs32_to_utf8(&[_]u32{c}, &buf);
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try self.inputbox.text.appendSlice(buf[0..bytes]);
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self.inputbox.cursor = tui.egc_chunk_width(self.inputbox.text.items, 0, 8);
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return self.start_query();
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}
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fn insert_bytes(self: *Self, bytes: []const u8) !void {
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try self.inputbox.text.appendSlice(bytes);
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self.inputbox.cursor = tui.egc_chunk_width(self.inputbox.text.items, 0, 8);
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return self.start_query();
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}
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fn cmd(_: *Self, name_: []const u8, ctx: command.Context) tp.result {
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try command.executeName(name_, ctx);
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}
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fn msg(_: *Self, text: []const u8) tp.result {
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return tp.self_pid().send(.{ "log", "home", text });
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}
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fn cmd_async(_: *Self, name_: []const u8) tp.result {
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return tp.self_pid().send(.{ "cmd", name_ });
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}
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const Commands = command.Collection(cmds);
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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 palette_menu_top(self: *Self, _: Ctx) Result {
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self.menu.select_first();
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}
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pub const palette_menu_top_meta = .{};
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pub fn palette_menu_down(self: *Self, _: Ctx) Result {
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self.menu.select_down();
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}
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pub const palette_menu_down_meta = .{};
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pub fn palette_menu_up(self: *Self, _: Ctx) Result {
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self.menu.select_up();
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}
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pub const palette_menu_up_meta = .{};
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pub fn palette_menu_pagedown(self: *Self, _: Ctx) Result {
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self.menu.select_last();
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}
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pub const palette_menu_pagedown_meta = .{};
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pub fn palette_menu_pageup(self: *Self, _: Ctx) Result {
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self.menu.select_first();
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}
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pub const palette_menu_pageup_meta = .{};
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pub fn palette_menu_activate(self: *Self, _: Ctx) Result {
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self.menu.activate_selected();
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}
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pub const palette_menu_activate_meta = .{};
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pub fn palette_menu_activate_quick(self: *Self, _: Ctx) Result {
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if (self.menu.selected orelse 0 > 0) self.menu.activate_selected();
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}
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pub const palette_menu_activate_quick_meta = .{};
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pub fn palette_menu_cancel(self: *Self, _: Ctx) Result {
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try self.cmd("exit_overlay_mode", .{});
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}
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pub const palette_menu_cancel_meta = .{};
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pub fn overlay_delete_word_left(self: *Self, _: Ctx) Result {
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self.delete_word() catch |e| return tp.exit_error(e, @errorReturnTrace());
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}
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pub const overlay_delete_word_left_meta = .{ .description = "Delete word to the left" };
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pub fn overlay_delete_backwards(self: *Self, _: Ctx) Result {
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self.delete_code_point() catch |e| return tp.exit_error(e, @errorReturnTrace());
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}
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pub const overlay_delete_backwards_meta = .{ .description = "Delete backwards" };
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pub fn overlay_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.InvalidOpenRecentInsertCodePointArgument;
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self.insert_code_point(egc) catch |e| return tp.exit_error(e, @errorReturnTrace());
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}
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pub const overlay_insert_code_point_meta = .{ .arguments = &.{.integer} };
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pub fn overlay_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.InvalidOpenRecentInsertBytesArgument;
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self.insert_bytes(bytes) catch |e| return tp.exit_error(e, @errorReturnTrace());
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}
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pub const overlay_insert_bytes_meta = .{ .arguments = &.{.string} };
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pub fn overlay_toggle_panel(self: *Self, _: Ctx) Result {
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return self.cmd_async("toggle_panel");
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}
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pub const overlay_toggle_panel_meta = .{};
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pub fn overlay_toggle_inputview(self: *Self, _: Ctx) Result {
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return self.cmd_async("toggle_inputview");
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}
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pub const overlay_toggle_inputview_meta = .{};
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pub fn mini_mode_paste(self: *Self, ctx: Ctx) Result {
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return overlay_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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