Initial public release
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472
src/tui/mode/input/vim/visual.zig
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472
src/tui/mode/input/vim/visual.zig
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const nc = @import("notcurses");
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const tp = @import("thespian");
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const root = @import("root");
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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 Allocator = @import("std").mem.Allocator;
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const ArrayList = @import("std").ArrayList;
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const json = @import("std").json;
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const eql = @import("std").mem.eql;
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const mod = nc.mod;
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const key = nc.key;
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const Self = @This();
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const input_buffer_size = 1024;
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a: Allocator,
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input: ArrayList(u8),
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last_cmd: []const u8 = "",
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leader: ?struct { keypress: u32, modifiers: u32 } = null,
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count: usize = 0,
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pub fn create(a: Allocator) !tui.Mode {
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const self: *Self = try a.create(Self);
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self.* = .{
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.a = a,
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.input = try ArrayList(u8).initCapacity(a, input_buffer_size),
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};
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return .{
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.handler = EventHandler.to_owned(self),
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.name = root.application_logo ++ "VISUAL",
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};
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}
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pub fn deinit(self: *Self) void {
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self.input.deinit();
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self.a.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 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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try self.mapEvent(evtype, keypress, egc, modifiers);
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} else if (try m.match(.{"F"})) {
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try self.flush_input();
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} else if (try m.match(.{ "system_clipboard", tp.extract(&text) })) {
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try self.flush_input();
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try self.insert_bytes(text);
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try self.flush_input();
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}
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return false;
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}
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pub fn add_keybind() void {}
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fn mapEvent(self: *Self, evtype: u32, keypress: u32, egc: u32, modifiers: u32) tp.result {
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return switch (evtype) {
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nc.event_type.PRESS => self.mapPress(keypress, egc, modifiers),
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nc.event_type.REPEAT => self.mapPress(keypress, egc, modifiers),
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nc.event_type.RELEASE => self.mapRelease(keypress, egc, 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) tp.result {
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const keynormal = if ('a' <= keypress and keypress <= 'z') keypress - ('a' - 'A') else keypress;
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if (self.leader) |_| return self.mapFollower(keynormal, egc, modifiers);
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return switch (modifiers) {
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mod.CTRL => switch (keynormal) {
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'R' => self.cmd("redo", .{}),
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'O' => self.cmd("jump_back", .{}),
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'I' => self.cmd("jump_forward", .{}),
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'J' => self.cmd("toggle_logview", .{}),
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'Z' => self.cmd("undo", .{}),
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'Y' => self.cmd("redo", .{}),
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'Q' => self.cmd("quit", .{}),
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'W' => self.cmd("close_file", .{}),
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'S' => self.cmd("save_file", .{}),
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'L' => self.cmd_cycle3("scroll_view_center", "scroll_view_top", "scroll_view_bottom", .{}),
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'N' => self.cmd("goto_next_match", .{}),
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'P' => self.cmd("goto_prev_match", .{}),
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'B' => self.cmd("enter_move_to_char_mode", command.fmt(.{false})),
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'T' => self.cmd("enter_move_to_char_mode", command.fmt(.{true})),
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'X' => self.cmd("cut", .{}),
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'C' => self.cmd("copy", .{}),
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'V' => self.cmd("system_paste", .{}),
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'U' => self.cmd("pop_cursor", .{}),
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'K' => self.leader = .{ .keypress = keynormal, .modifiers = modifiers },
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'F' => self.cmd("enter_find_mode", .{}),
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'G' => self.cmd("enter_goto_mode", .{}),
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'A' => self.cmd("select_all", .{}),
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'/' => self.cmd("toggle_comment", .{}),
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key.ENTER => self.cmd("insert_line_after", .{}),
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key.SPACE => self.cmd("selections_reverse", .{}),
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key.END => self.cmd("select_buffer_end", .{}),
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key.HOME => self.cmd("select_buffer_begin", .{}),
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key.UP => self.cmd("select_scroll_up", .{}),
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key.DOWN => self.cmd("select_scroll_down", .{}),
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key.PGUP => self.cmd("select_scroll_page_up", .{}),
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key.PGDOWN => self.cmd("select_scroll_page_down", .{}),
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key.LEFT => self.cmd("select_word_left", .{}),
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key.RIGHT => self.cmd("select_word_right", .{}),
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key.BACKSPACE => self.cmd("delete_word_left", .{}),
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key.DEL => self.cmd("delete_word_right", .{}),
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else => {},
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},
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mod.CTRL | mod.SHIFT => switch (keynormal) {
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'D' => self.cmd("dupe_down", .{}),
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'Z' => self.cmd("redo", .{}),
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'Q' => self.cmd("quit_without_saving", .{}),
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'R' => self.cmd("restart", .{}),
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'F' => self.cmd("enter_find_in_files_mode", .{}),
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'L' => self.cmd_async("toggle_logview"),
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'I' => self.cmd_async("toggle_inputview"),
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'/' => self.cmd("log_widgets", .{}),
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key.ENTER => self.cmd("insert_line_before", .{}),
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key.END => self.cmd("select_buffer_end", .{}),
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key.HOME => self.cmd("select_buffer_begin", .{}),
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key.UP => self.cmd("select_scroll_up", .{}),
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key.DOWN => self.cmd("select_scroll_down", .{}),
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key.LEFT => self.cmd("select_word_left", .{}),
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key.RIGHT => self.cmd("select_word_right", .{}),
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else => {},
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},
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mod.ALT => switch (keynormal) {
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'J' => self.cmd("join_next_line", .{}),
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'N' => self.cmd("goto_next_match", .{}),
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'P' => self.cmd("goto_prev_match", .{}),
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'L' => self.cmd("toggle_logview", .{}),
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'I' => self.cmd("toggle_inputview", .{}),
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'B' => self.cmd("select_word_left", .{}),
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'F' => self.cmd("select_word_right", .{}),
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'S' => self.cmd("filter", command.fmt(.{"sort"})),
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'V' => self.cmd("paste", .{}),
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key.LEFT => self.cmd("jump_back", .{}),
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key.RIGHT => self.cmd("jump_forward", .{}),
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key.UP => self.cmd("pull_up", .{}),
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key.DOWN => self.cmd("pull_down", .{}),
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key.ENTER => self.cmd("insert_line", .{}),
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else => {},
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},
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mod.ALT | mod.SHIFT => switch (keynormal) {
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'D' => self.cmd("dupe_up", .{}),
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'F' => self.cmd("filter", command.fmt(.{ "zig", "fmt", "--stdin" })),
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'S' => self.cmd("filter", command.fmt(.{ "sort", "-u" })),
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'V' => self.cmd("paste", .{}),
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key.LEFT => self.cmd("move_scroll_left", .{}),
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key.RIGHT => self.cmd("move_scroll_right", .{}),
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else => {},
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},
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mod.SHIFT => switch (keypress) {
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key.F03 => self.cmd("goto_prev_match", .{}),
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key.LEFT => self.cmd("select_left", .{}),
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key.RIGHT => self.cmd("select_right", .{}),
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key.UP => self.cmd("select_up", .{}),
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key.DOWN => self.cmd("select_down", .{}),
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key.HOME => self.cmd("smart_select_begin", .{}),
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key.END => self.cmd("select_end", .{}),
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key.PGUP => self.cmd("select_page_up", .{}),
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key.PGDOWN => self.cmd("select_page_down", .{}),
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key.ENTER => self.cmd("insert_line_before", .{}),
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key.BACKSPACE => self.cmd("delete_backward", .{}),
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key.TAB => self.cmd("unindent", .{}),
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'N' => self.cmd("goto_prev_match", .{}),
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'A' => self.seq(.{ "move_end", "enter_mode" }, command.fmt(.{"vim/insert"})),
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'4' => self.cmd("select_end", .{}),
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'G' => if (self.count == 0)
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self.cmd("move_buffer_end", .{})
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else {
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const count = self.count;
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try self.cmd("move_buffer_begin", .{});
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self.count = count - 1;
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if (self.count > 0)
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try self.cmd_count("move_down", .{});
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},
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'O' => self.seq(.{ "insert_line_before", "enter_mode" }, command.fmt(.{"vim/insert"})),
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else => {},
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},
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0 => switch (keypress) {
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key.F02 => self.cmd("toggle_input_mode", .{}),
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key.F03 => self.cmd("goto_next_match", .{}),
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key.F15 => self.cmd("goto_prev_match", .{}), // S-F3
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key.F05 => self.cmd("toggle_inspector_view", .{}), // C-F5
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key.F06 => self.cmd("dump_current_line_tree", .{}),
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key.F07 => self.cmd("dump_current_line", .{}),
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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_logview", .{}),
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key.F12 => self.cmd("toggle_inputview", .{}),
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key.F34 => self.cmd("toggle_whitespace", .{}), // C-F10
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key.ESC => self.seq(.{ "cancel", "enter_mode" }, command.fmt(.{"vim/normal"})),
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key.ENTER => self.cmd("smart_insert_line", .{}),
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key.DEL => self.cmd("delete_forward", .{}),
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key.BACKSPACE => self.cmd("delete_backward", .{}),
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'i' => self.cmd("enter_mode", command.fmt(.{"vim/insert"})),
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'a' => self.seq(.{ "move_right", "enter_mode" }, command.fmt(.{"vim/insert"})),
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'v' => self.cmd("enter_mode", command.fmt(.{"vim/visual"})),
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'/' => self.cmd("enter_find_mode", .{}),
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'n' => self.cmd("goto_next_match", .{}),
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'h' => self.cmd_count("select_left", .{}),
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'j' => self.cmd_count("select_down", .{}),
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'k' => self.cmd_count("select_up", .{}),
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'l' => self.cmd_count("select_right", .{}),
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' ' => self.cmd_count("select_right", .{}),
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'b' => self.cmd_count("select_word_left", .{}),
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'w' => self.cmd_count("select_word_right_vim", .{}),
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'e' => self.cmd_count("select_word_right", .{}),
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'$' => self.cmd_count("select_end", .{}),
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'0' => self.cmd_count("select_begin", .{}),
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'1' => self.add_count(1),
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'2' => self.add_count(2),
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'3' => self.add_count(3),
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'4' => self.add_count(4),
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'5' => self.add_count(5),
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'6' => self.add_count(6),
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'7' => self.add_count(7),
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'8' => self.add_count(8),
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'9' => self.add_count(9),
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'u' => self.cmd("undo", .{}),
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'd' => self.leader = .{ .keypress = keynormal, .modifiers = modifiers },
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'r' => self.leader = .{ .keypress = keynormal, .modifiers = modifiers },
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'c' => self.leader = .{ .keypress = keynormal, .modifiers = modifiers },
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'z' => self.leader = .{ .keypress = keynormal, .modifiers = modifiers },
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'g' => self.leader = .{ .keypress = keynormal, .modifiers = modifiers },
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'x' => self.cmd("cut", .{}),
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'y' => self.cmd("copy", .{}),
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'p' => self.cmd("paste", .{}),
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'o' => self.seq(.{ "insert_line_after", "enter_mode" }, command.fmt(.{"vim/insert"})),
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key.LEFT => self.cmd("select_left", .{}),
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key.RIGHT => self.cmd("select_right", .{}),
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key.UP => self.cmd("select_up", .{}),
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key.DOWN => self.cmd("select_down", .{}),
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key.HOME => self.cmd("smart_select_begin", .{}),
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key.END => self.cmd("select_end", .{}),
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key.PGUP => self.cmd("select_page_up", .{}),
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key.PGDOWN => self.cmd("select_page_down", .{}),
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key.LCTRL, key.RCTRL => self.cmd("enable_fast_scroll", .{}),
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key.LALT, key.RALT => self.cmd("enable_fast_scroll", .{}),
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key.TAB => self.cmd("indent", .{}),
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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 mapFollower(self: *Self, keypress: u32, egc: u32, modifiers: u32) tp.result {
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if (keypress == key.LCTRL or
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keypress == key.RCTRL or
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keypress == key.LALT or
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keypress == key.RALT or
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keypress == key.LSHIFT or
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keypress == key.RSHIFT or
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keypress == key.LSUPER or
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keypress == key.RSUPER) return;
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switch (modifiers) {
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0 => switch (keypress) {
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'1' => {
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self.add_count(1);
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return;
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},
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'2' => {
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self.add_count(2);
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return;
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},
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'3' => {
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self.add_count(3);
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return;
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},
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'4' => {
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self.add_count(4);
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return;
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},
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'5' => {
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self.add_count(5);
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return;
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},
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'6' => {
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self.add_count(6);
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return;
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},
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'7' => {
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self.add_count(7);
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return;
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},
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'8' => {
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self.add_count(8);
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return;
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},
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'9' => {
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self.add_count(9);
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return;
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},
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else => {},
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},
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else => {},
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}
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defer self.leader = null;
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const ldr = if (self.leader) |leader| leader else return;
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return switch (ldr.modifiers) {
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mod.CTRL => switch (ldr.keypress) {
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'K' => switch (modifiers) {
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mod.CTRL => switch (keypress) {
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'U' => self.cmd("delete_to_begin", .{}),
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'K' => self.cmd("delete_to_end", .{}),
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'D' => self.cmd("move_cursor_next_match", .{}),
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else => {},
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},
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else => {},
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},
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else => {},
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},
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0 => switch (ldr.keypress) {
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'D', 'C' => {
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try switch (modifiers) {
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mod.SHIFT => switch (keypress) {
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'4' => self.cmd("delete_to_end", .{}),
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else => {},
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},
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0 => switch (keypress) {
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'D' => self.seq_count(.{ "move_begin", "select_end", "select_right", "cut" }, .{}),
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'W' => self.seq_count(.{ "select_word_right", "select_word_right", "select_word_left", "cut" }, .{}),
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'E' => self.seq_count(.{ "select_word_right", "cut" }, .{}),
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else => {},
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},
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else => switch (egc) {
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'$' => self.cmd("delete_to_end", .{}),
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else => {},
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},
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};
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if (ldr.keypress == 'C')
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try self.cmd("enter_mode", command.fmt(.{"vim/insert"}));
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},
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'R' => switch (modifiers) {
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mod.SHIFT, 0 => if (!key.synthesized_p(keypress)) {
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var count = self.count;
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try self.cmd_count("delete_forward", .{});
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while (count > 0) : (count -= 1)
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try self.insert_code_point(egc);
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},
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else => {},
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},
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'Z' => switch (modifiers) {
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0 => switch (keypress) {
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'Z' => self.cmd_cycle3("scroll_view_center", "scroll_view_top", "scroll_view_bottom", .{}),
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else => {},
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},
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else => {},
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},
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'G' => switch (modifiers) {
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0 => switch (keypress) {
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'G' => self.cmd("move_buffer_begin", .{}),
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else => {},
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},
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else => {},
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},
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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, _: u32) tp.result {
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return switch (keypress) {
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key.LCTRL, key.RCTRL => self.cmd("disable_fast_scroll", .{}),
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key.LALT, key.RALT => self.cmd("disable_fast_scroll", .{}),
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else => {},
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};
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}
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fn add_count(self: *Self, value: usize) void {
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if (self.count > 0) self.count *= 10;
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self.count += value;
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}
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fn insert_code_point(self: *Self, c: u32) tp.result {
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if (self.input.items.len + 4 > input_buffer_size)
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try self.flush_input();
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var buf: [6]u8 = undefined;
|
||||
const bytes = nc.ucs32_to_utf8(&[_]u32{c}, &buf) catch |e| return tp.exit_error(e);
|
||||
self.input.appendSlice(buf[0..bytes]) catch |e| return tp.exit_error(e);
|
||||
}
|
||||
|
||||
fn insert_bytes(self: *Self, bytes: []const u8) tp.result {
|
||||
if (self.input.items.len + 4 > input_buffer_size)
|
||||
try self.flush_input();
|
||||
self.input.appendSlice(bytes) catch |e| return tp.exit_error(e);
|
||||
}
|
||||
|
||||
var insert_chars_id: ?command.ID = null;
|
||||
|
||||
fn flush_input(self: *Self) tp.result {
|
||||
if (self.input.items.len > 0) {
|
||||
defer self.input.clearRetainingCapacity();
|
||||
const id = insert_chars_id orelse command.get_id_cache("insert_chars", &insert_chars_id) orelse {
|
||||
return tp.exit_error(error.InputTargetNotFound);
|
||||
};
|
||||
try command.execute(id, command.fmt(.{self.input.items}));
|
||||
self.last_cmd = "insert_chars";
|
||||
}
|
||||
}
|
||||
|
||||
fn cmd(self: *Self, name_: []const u8, ctx: command.Context) tp.result {
|
||||
self.count = 0;
|
||||
try self.flush_input();
|
||||
self.last_cmd = name_;
|
||||
try command.executeName(name_, ctx);
|
||||
}
|
||||
|
||||
fn cmd_count(self: *Self, name_: []const u8, ctx: command.Context) tp.result {
|
||||
var count = if (self.count == 0) 1 else self.count;
|
||||
self.count = 0;
|
||||
try self.flush_input();
|
||||
self.last_cmd = name_;
|
||||
while (count > 0) : (count -= 1)
|
||||
try command.executeName(name_, ctx);
|
||||
}
|
||||
|
||||
fn cmd_cycle3(self: *Self, name1: []const u8, name2: []const u8, name3: []const u8, ctx: command.Context) tp.result {
|
||||
return if (eql(u8, self.last_cmd, name2))
|
||||
self.cmd(name3, ctx)
|
||||
else if (eql(u8, self.last_cmd, name1))
|
||||
self.cmd(name2, ctx)
|
||||
else
|
||||
self.cmd(name1, ctx);
|
||||
}
|
||||
|
||||
fn cmd_async(self: *Self, name_: []const u8) tp.result {
|
||||
self.last_cmd = name_;
|
||||
return tp.self_pid().send(.{ "cmd", name_ });
|
||||
}
|
||||
|
||||
fn seq(self: *Self, cmds: anytype, ctx: command.Context) tp.result {
|
||||
const cmds_type_info = @typeInfo(@TypeOf(cmds));
|
||||
if (cmds_type_info != .Struct) @compileError("expected tuple argument");
|
||||
const fields_info = cmds_type_info.Struct.fields;
|
||||
inline for (fields_info) |field_info|
|
||||
try self.cmd(@field(cmds, field_info.name), ctx);
|
||||
}
|
||||
|
||||
fn seq_count(self: *Self, cmds: anytype, ctx: command.Context) tp.result {
|
||||
var count = if (self.count == 0) 1 else self.count;
|
||||
self.count = 0;
|
||||
const cmds_type_info = @typeInfo(@TypeOf(cmds));
|
||||
if (cmds_type_info != .Struct) @compileError("expected tuple argument");
|
||||
const fields_info = cmds_type_info.Struct.fields;
|
||||
while (count > 0) : (count -= 1)
|
||||
inline for (fields_info) |field_info|
|
||||
try self.cmd(@field(cmds, field_info.name), ctx);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue