356 lines
14 KiB
Zig
356 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 key = @import("renderer").input.key;
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const mod = @import("renderer").input.modifier;
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const event_type = @import("renderer").input.event_type;
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const ucs32_to_utf8 = @import("renderer").ucs32_to_utf8;
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const project_manager = @import("project_manager");
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const tui = @import("../../tui.zig");
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const command = @import("../../command.zig");
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const EventHandler = @import("../../EventHandler.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 mainview = @import("../../mainview.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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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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pub fn create(allocator: std.mem.Allocator) !tui.Mode {
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const mv = tui.current().mainview.dynamic_cast(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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.menu = try Menu.create(*Self, allocator, tui.current().mainview, .{
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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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};
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try self.commands.init(self);
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try tui.current().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.menu.container_widget);
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return .{
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.handler = EventHandler.to_owned(self),
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.name = " open recent",
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.description = "open recent",
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};
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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.current().message_filters.remove_ptr(self);
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if (tui.current().mainview.dynamic_cast(mainview)) |mv|
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mv.floating_views.remove(self.menu.container_widget);
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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.current().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.current().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, button: *Button.State(*Menu.State(*Self)), theme: *const Widget.Theme, selected: bool) bool {
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const style_base = 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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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 pointer = if (selected) "⏵" else " ";
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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_base);
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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) error{Exit}!bool {
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if (try m.match(.{ "PRJ", tp.more })) {
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self.process_project_manager(m) catch |e| return tp.exit_error(e, @errorReturnTrace());
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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) !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 m.match(.{ "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 m.match(.{ "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 m.match(.{ "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 evtype: u32 = undefined;
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var keypress: u32 = undefined;
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var egc: u32 = undefined;
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var modifiers: u32 = undefined;
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var text: []const u8 = undefined;
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if (try m.match(.{ "I", tp.extract(&evtype), tp.extract(&keypress), tp.extract(&egc), tp.string, tp.extract(&modifiers) })) {
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self.mapEvent(evtype, keypress, egc, modifiers) catch |e| return tp.exit_error(e, @errorReturnTrace());
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} else 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 mapEvent(self: *Self, evtype: u32, keypress: u32, egc: u32, modifiers: u32) !void {
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return switch (evtype) {
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event_type.PRESS => self.mapPress(keypress, egc, modifiers),
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event_type.REPEAT => self.mapPress(keypress, egc, modifiers),
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event_type.RELEASE => self.mapRelease(keypress, modifiers),
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else => {},
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};
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}
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fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) !void {
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const keynormal = if ('a' <= keypress and keypress <= 'z') keypress - ('a' - 'A') else keypress;
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return switch (modifiers) {
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mod.CTRL => switch (keynormal) {
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'J' => self.cmd("toggle_panel", .{}),
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'Q' => self.cmd("quit", .{}),
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'W' => self.cmd("close_file", .{}),
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'E' => self.cmd("open_recent_menu_down", .{}),
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'P' => self.cmd("open_recent_menu_up", .{}),
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'N' => self.cmd("open_recent_menu_down", .{}),
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'V' => self.cmd("system_paste", .{}),
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'C' => self.cmd("exit_overlay_mode", .{}),
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'G' => self.cmd("exit_overlay_mode", .{}),
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key.ESC => self.cmd("exit_overlay_mode", .{}),
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key.UP => self.cmd("open_recent_menu_up", .{}),
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key.DOWN => self.cmd("open_recent_menu_down", .{}),
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key.ENTER => self.cmd("open_recent_menu_activate", .{}),
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key.BACKSPACE => self.delete_word(),
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else => {},
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},
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mod.CTRL | mod.SHIFT => switch (keynormal) {
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'Q' => self.cmd("quit_without_saving", .{}),
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'W' => self.cmd("close_file_without_saving", .{}),
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'R' => self.cmd("restart", .{}),
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'L' => self.cmd_async("toggle_panel"),
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'I' => self.cmd_async("toggle_inputview"),
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'E' => self.cmd("open_recent_menu_up", .{}),
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else => {},
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},
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mod.ALT => switch (keynormal) {
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'L' => self.cmd("toggle_panel", .{}),
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'I' => self.cmd("toggle_inputview", .{}),
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else => {},
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},
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mod.SHIFT => switch (keypress) {
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else => if (!key.synthesized_p(keypress))
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self.insert_code_point(egc)
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else {},
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},
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0 => switch (keypress) {
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key.F09 => self.cmd("theme_prev", .{}),
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key.F10 => self.cmd("theme_next", .{}),
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key.F11 => self.cmd("toggle_panel", .{}),
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key.F12 => self.cmd("toggle_inputview", .{}),
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key.ESC => self.cmd("exit_overlay_mode", .{}),
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key.UP => self.cmd("open_recent_menu_up", .{}),
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key.DOWN => self.cmd("open_recent_menu_down", .{}),
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key.ENTER => self.cmd("open_recent_menu_activate", .{}),
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key.BACKSPACE => self.delete_code_point(),
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else => if (!key.synthesized_p(keypress))
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self.insert_code_point(egc)
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else {},
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},
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else => {},
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};
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}
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fn mapRelease(self: *Self, keypress: u32, _: u32) !void {
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return switch (keypress) {
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key.LCTRL, key.RCTRL => if (self.menu.selected orelse 0 > 0) return self.cmd("open_recent_menu_activate", .{}),
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else => {},
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};
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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) !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 = self.inputbox.text.items.len;
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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 - 1);
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self.inputbox.cursor = self.inputbox.text.items.len;
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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 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 = self.inputbox.text.items.len;
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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 = self.inputbox.text.items.len;
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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 open_recent_menu_down(self: *Self, _: Ctx) Result {
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self.menu.select_down();
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}
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pub const open_recent_menu_down_meta = .{ .interactive = false };
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pub fn open_recent_menu_up(self: *Self, _: Ctx) Result {
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self.menu.select_up();
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}
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pub const open_recent_menu_up_meta = .{ .interactive = false };
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pub fn open_recent_menu_activate(self: *Self, _: Ctx) Result {
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self.menu.activate_selected();
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}
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pub const open_recent_menu_activate_meta = .{ .interactive = false };
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};
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