flow/src/tui/mode/input/flow.zig

427 lines
17 KiB
Zig

const tp = @import("thespian");
const root = @import("root");
const key = @import("renderer").input.key;
const mod = @import("renderer").input.modifier;
const event_type = @import("renderer").input.event_type;
const ucs32_to_utf8 = @import("renderer").ucs32_to_utf8;
const tui = @import("../../tui.zig");
const command = @import("../../command.zig");
const EventHandler = @import("../../EventHandler.zig");
const Allocator = @import("std").mem.Allocator;
const ArrayList = @import("std").ArrayList;
const json = @import("std").json;
const eql = @import("std").mem.eql;
const Self = @This();
const input_buffer_size = 1024;
a: Allocator,
input: ArrayList(u8),
last_cmd: []const u8 = "",
leader: ?struct { keypress: u32, modifiers: u32 } = null,
pub fn create(a: Allocator) !tui.Mode {
const self: *Self = try a.create(Self);
self.* = .{
.a = a,
.input = try ArrayList(u8).initCapacity(a, input_buffer_size),
};
return .{
.handler = EventHandler.to_owned(self),
.name = root.application_name,
.description = "default",
.keybind_hints = &hints,
};
}
pub fn deinit(self: *Self) void {
self.input.deinit();
self.a.destroy(self);
}
pub fn receive(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
var evtype: u32 = undefined;
var keypress: u32 = undefined;
var egc: u32 = undefined;
var modifiers: u32 = undefined;
var text: []const u8 = undefined;
if (try m.match(.{ "I", tp.extract(&evtype), tp.extract(&keypress), tp.extract(&egc), tp.string, tp.extract(&modifiers) })) {
self.mapEvent(evtype, keypress, egc, modifiers) catch |e| return tp.exit_error(e, @errorReturnTrace());
} else if (try m.match(.{"F"})) {
self.flush_input() catch |e| return tp.exit_error(e, @errorReturnTrace());
} else if (try m.match(.{ "system_clipboard", tp.extract(&text) })) {
self.paste_bytes(text) catch |e| return tp.exit_error(e, @errorReturnTrace());
}
return false;
}
pub fn add_keybind() void {}
fn mapEvent(self: *Self, evtype: u32, keypress: u32, egc: u32, modifiers: u32) !void {
return switch (evtype) {
event_type.PRESS => self.mapPress(keypress, egc, modifiers),
event_type.REPEAT => self.mapPress(keypress, egc, modifiers),
event_type.RELEASE => self.mapRelease(keypress, egc, modifiers),
else => {},
};
}
fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) !void {
const keynormal = if ('a' <= keypress and keypress <= 'z') keypress - ('a' - 'A') else keypress;
if (self.leader) |_| return self.mapFollower(keynormal, egc, modifiers);
switch (keypress) {
key.LCTRL, key.RCTRL => return self.cmd("enable_fast_scroll", .{}),
key.LALT, key.RALT => return self.cmd("enable_jump_mode", .{}),
else => {},
}
return switch (modifiers) {
mod.CTRL => switch (keynormal) {
'E' => self.cmd("open_recent", .{}),
'R' => self.cmd("open_recent_project", .{}),
'J' => self.cmd("toggle_panel", .{}),
'Z' => self.cmd("undo", .{}),
'Y' => self.cmd("redo", .{}),
'Q' => self.cmd("quit", .{}),
'O' => self.cmd("open_file", .{}),
'W' => self.cmd("close_file", .{}),
'S' => self.cmd("save_file", .{}),
'L' => self.cmd_cycle3("scroll_view_center", "scroll_view_top", "scroll_view_bottom", .{}),
'N' => self.cmd("goto_next_match", .{}),
'P' => self.cmd("goto_prev_match", .{}),
'B' => self.cmd("move_to_char", command.fmt(.{false})),
'T' => self.cmd("move_to_char", command.fmt(.{true})),
'X' => self.cmd("cut", .{}),
'C' => self.cmd("copy", .{}),
'V' => self.cmd("system_paste", .{}),
'U' => self.cmd("pop_cursor", .{}),
'K' => self.leader = .{ .keypress = keynormal, .modifiers = modifiers },
'F' => self.cmd("find", .{}),
'G' => self.cmd("goto", .{}),
'D' => self.cmd("add_cursor_next_match", .{}),
'A' => self.cmd("select_all", .{}),
'I' => self.insert_bytes("\t"),
'/' => self.cmd("toggle_comment", .{}),
key.ENTER => self.cmd("smart_insert_line_after", .{}),
key.SPACE => self.cmd("completion", .{}),
key.END => self.cmd("move_buffer_end", .{}),
key.HOME => self.cmd("move_buffer_begin", .{}),
key.UP => self.cmd("move_scroll_up", .{}),
key.DOWN => self.cmd("move_scroll_down", .{}),
key.PGUP => self.cmd("move_scroll_page_up", .{}),
key.PGDOWN => self.cmd("move_scroll_page_down", .{}),
key.LEFT => self.cmd("move_word_left", .{}),
key.RIGHT => self.cmd("move_word_right", .{}),
key.BACKSPACE => self.cmd("delete_word_left", .{}),
key.DEL => self.cmd("delete_word_right", .{}),
key.F05 => self.cmd("toggle_inspector_view", .{}),
key.F10 => self.cmd("toggle_whitespace", .{}), // aka F34
key.F12 => self.cmd("goto_implementation", .{}),
else => {},
},
mod.CTRL | mod.SHIFT => switch (keynormal) {
'P' => self.cmd("open_command_palette", .{}),
'D' => self.cmd("dupe_down", .{}),
'Z' => self.cmd("redo", .{}),
'Q' => self.cmd("quit_without_saving", .{}),
'W' => self.cmd("close_file_without_saving", .{}),
'F' => self.cmd("find_in_files", .{}),
'L' => self.cmd_async("add_cursor_all_matches"),
'I' => self.cmd_async("toggle_inspector_view"),
'M' => self.cmd("show_diagnostics", .{}),
key.ENTER => self.cmd("smart_insert_line_before", .{}),
key.END => self.cmd("select_buffer_end", .{}),
key.HOME => self.cmd("select_buffer_begin", .{}),
key.UP => self.cmd("select_scroll_up", .{}),
key.DOWN => self.cmd("select_scroll_down", .{}),
key.LEFT => self.cmd("select_word_left", .{}),
key.RIGHT => self.cmd("select_word_right", .{}),
key.SPACE => self.cmd("selections_reverse", .{}),
else => {},
},
mod.ALT => switch (keynormal) {
'J' => self.cmd("join_next_line", .{}),
'N' => self.cmd("goto_next_file_or_diagnostic", .{}),
'P' => self.cmd("goto_prev_file_or_diagnostic", .{}),
'U' => self.cmd("to_upper", .{}),
'L' => self.cmd("to_lower", .{}),
'I' => self.cmd("toggle_inputview", .{}),
'B' => self.cmd("move_word_left", .{}),
'F' => self.cmd("move_word_right", .{}),
'S' => self.cmd("filter", command.fmt(.{"sort"})),
'V' => self.cmd("paste", .{}),
key.LEFT => self.cmd("jump_back", .{}),
key.RIGHT => self.cmd("jump_forward", .{}),
key.UP => self.cmd("pull_up", .{}),
key.DOWN => self.cmd("pull_down", .{}),
key.ENTER => self.cmd("insert_line", .{}),
key.F10 => self.cmd("gutter_mode_next", .{}), // aka F58
key.F12 => self.cmd("goto_declaration", .{}),
else => {},
},
mod.ALT | mod.SHIFT => switch (keynormal) {
'P' => self.cmd("open_command_palette", .{}),
'D' => self.cmd("dupe_up", .{}),
// 'B' => self.cmd("select_word_left", .{}),
// 'F' => self.cmd("select_word_right", .{}),
'F' => self.cmd("format", .{}),
'S' => self.cmd("filter", command.fmt(.{ "sort", "-u" })),
'V' => self.cmd("paste", .{}),
'I' => self.cmd("add_cursors_to_line_ends", .{}),
key.LEFT => self.cmd("move_scroll_left", .{}),
key.RIGHT => self.cmd("move_scroll_right", .{}),
key.UP => self.cmd("add_cursor_up", .{}),
key.DOWN => self.cmd("add_cursor_down", .{}),
key.F12 => self.cmd("goto_type_definition", .{}),
else => {},
},
mod.SHIFT => switch (keypress) {
key.F03 => self.cmd("goto_prev_match", .{}),
key.F12 => self.cmd("references", .{}),
key.LEFT => self.cmd("select_left", .{}),
key.RIGHT => self.cmd("select_right", .{}),
key.UP => self.cmd("select_up", .{}),
key.DOWN => self.cmd("select_down", .{}),
key.HOME => self.cmd("smart_select_begin", .{}),
key.END => self.cmd("select_end", .{}),
key.PGUP => self.cmd("select_page_up", .{}),
key.PGDOWN => self.cmd("select_page_down", .{}),
key.ENTER => self.cmd("smart_insert_line_before", .{}),
key.BACKSPACE => self.cmd("delete_backward", .{}),
key.TAB => self.cmd("unindent", .{}),
else => if (!key.synthesized_p(keypress))
self.insert_code_point(egc)
else {},
},
0 => switch (keypress) {
key.F02 => self.cmd("toggle_input_mode", .{}),
key.F03 => self.cmd("goto_next_match", .{}),
key.F15 => self.cmd("goto_prev_match", .{}), // S-F3
key.F05 => self.cmd("toggle_inspector_view", .{}), // C-F5
key.F06 => self.cmd("dump_current_line_tree", .{}),
key.F07 => self.cmd("dump_current_line", .{}),
key.F09 => self.cmd("theme_prev", .{}),
key.F10 => self.cmd("theme_next", .{}),
key.F11 => self.cmd("toggle_panel", .{}),
key.F12 => self.cmd("goto_definition", .{}),
key.F34 => self.cmd("toggle_whitespace", .{}), // C-F10
key.F58 => self.cmd("gutter_mode_next", .{}), // A-F10
key.ESC => self.cmd("cancel", .{}),
key.ENTER => self.cmd("smart_insert_line", .{}),
key.DEL => self.cmd("delete_forward", .{}),
key.BACKSPACE => self.cmd("delete_backward", .{}),
key.LEFT => self.cmd("move_left", .{}),
key.RIGHT => self.cmd("move_right", .{}),
key.UP => self.cmd("move_up", .{}),
key.DOWN => self.cmd("move_down", .{}),
key.HOME => self.cmd("smart_move_begin", .{}),
key.END => self.cmd("move_end", .{}),
key.PGUP => self.cmd("move_page_up", .{}),
key.PGDOWN => self.cmd("move_page_down", .{}),
key.TAB => self.cmd("indent", .{}),
else => if (!key.synthesized_p(keypress))
self.insert_code_point(egc)
else {},
},
else => {},
};
}
fn mapFollower(self: *Self, keypress: u32, _: u32, modifiers: u32) !void {
defer self.leader = null;
const ldr = if (self.leader) |leader| leader else return;
return switch (ldr.modifiers) {
mod.CTRL => switch (ldr.keypress) {
'K' => switch (modifiers) {
mod.CTRL => switch (keypress) {
'U' => self.cmd("delete_to_begin", .{}),
'K' => self.cmd("delete_to_end", .{}),
'D' => self.cmd("move_cursor_next_match", .{}),
'T' => self.cmd("change_theme", .{}),
else => {},
},
else => {},
},
else => {},
},
else => {},
};
}
fn mapRelease(self: *Self, keypress: u32, _: u32, _: u32) !void {
return switch (keypress) {
key.LCTRL, key.RCTRL => self.cmd("disable_fast_scroll", .{}),
key.LALT, key.RALT => self.cmd("disable_jump_mode", .{}),
else => {},
};
}
fn insert_code_point(self: *Self, c: u32) !void {
if (self.input.items.len + 4 > input_buffer_size)
try self.flush_input();
var buf: [6]u8 = undefined;
const bytes = try ucs32_to_utf8(&[_]u32{c}, &buf);
try self.input.appendSlice(buf[0..bytes]);
}
fn insert_bytes(self: *Self, bytes: []const u8) !void {
if (self.input.items.len + 4 > input_buffer_size)
try self.flush_input();
try self.input.appendSlice(bytes);
}
fn paste_bytes(self: *Self, bytes: []const u8) !void {
try self.flush_input();
try command.executeName("paste", command.fmt(.{bytes}));
}
var insert_chars_id: ?command.ID = null;
fn flush_input(self: *Self) !void {
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, null);
};
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 {
try self.flush_input();
self.last_cmd = name_;
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_ });
}
const hints = tui.KeybindHints.initComptime(.{
.{ "add_cursor_all_matches", "C-S-l" },
.{ "add_cursor_down", "S-A-down" },
.{ "add_cursor_next_match", "C-d" },
.{ "add_cursors_to_line_ends", "S-A-i" },
.{ "add_cursor_up", "S-A-up" },
.{ "cancel", "esc" },
.{ "close_file", "C-w" },
.{ "close_file_without_saving", "C-S-w" },
.{ "copy", "C-c" },
.{ "cut", "C-x" },
.{ "delete_backward", "backspace" },
.{ "delete_forward", "del" },
.{ "delete_to_begin", "C-k C-u" },
.{ "delete_to_end", "C-k C-k" },
.{ "delete_word_left", "C-backspace" },
.{ "delete_word_right", "C-del" },
.{ "dump_current_line", "F7" },
.{ "dump_current_line_tree", "F6" },
.{ "dupe_down", "C-S-d" },
.{ "dupe_up", "S-A-d" },
.{ "enable_fast_scroll", "hold Ctrl" },
.{ "enable_jump_mode", "hold Alt" },
.{ "find_in_files", "C-S-f" },
.{ "find", "C-f" },
.{ "goto", "C-g" },
.{ "move_to_char", "C-b, C-t" }, // true/false
.{ "open_file", "C-o" },
.{ "filter", "A-s" }, // self.cmd("filter", command.fmt(.{"sort"})),
// .{ "filter", "S-A-s" }, // self.cmd("filter", command.fmt(.{ "sort", "-u" })),
.{ "format", "S-A-f" },
.{ "goto_definition", "F12" },
.{ "goto_implementation", "C-F12" },
.{ "goto_declaration", "A-F12" },
.{ "goto_type_definition", "A-S-F12" },
.{ "goto_next_file_or_diagnostic", "A-n" },
.{ "goto_next_match", "C-n, F3" },
.{ "goto_prev_file_or_diagnostic", "A-p" },
.{ "goto_prev_match", "C-p, S-F3" },
.{ "gutter_mode_next", "A-F10" },
.{ "indent", "tab" },
.{ "insert_line", "A-enter" },
.{ "join_next_line", "A-j" },
.{ "jump_back", "A-left" },
.{ "jump_forward", "A-right" },
.{ "move_buffer_begin", "C-home" },
.{ "move_buffer_end", "C-end" },
.{ "move_cursor_next_match", "C-k C-d" },
.{ "move_down", "down" },
.{ "move_end", "end" },
.{ "move_left", "left" },
.{ "move_page_down", "pgdn" },
.{ "move_page_up", "pgup" },
.{ "move_right", "right" },
.{ "move_scroll_down", "C-down" },
.{ "move_scroll_left", "S-A-left" },
.{ "move_scroll_page_down", "C-pgdn" },
.{ "move_scroll_page_up", "C-pgup" },
.{ "move_scroll_right", "S-A-right" },
.{ "move_scroll_up", "C-up" },
.{ "move_up", "up" },
.{ "move_word_left", "C-left, A-b" },
.{ "move_word_right", "C-right, A-f" },
.{ "open_command_palette", "C-S-p, S-A-p" },
.{ "open_recent", "C-e" },
.{ "open_recent_project", "C-r" },
.{ "paste", "A-v" },
.{ "pop_cursor", "C-u" },
.{ "pull_down", "A-down" },
.{ "pull_up", "A-up" },
.{ "quit", "C-q" },
.{ "quit_without_saving", "C-S-q" },
.{ "redo", "C-S-z, C-y" },
.{ "references", "S-F12" },
.{ "save_file", "C-s" },
.{ "scroll_view_bottom", "C-l" },
.{ "scroll_view_center", "C-l" },
.{ "scroll_view_top", "C-l" },
.{ "select_all", "C-a" },
.{ "select_buffer_begin", "C-S-home" },
.{ "select_buffer_end", "C-S-end" },
.{ "select_down", "S-down" },
.{ "select_end", "S-end" },
.{ "selections_reverse", "C-S-space" },
.{ "select_left", "S-left" },
.{ "select_page_down", "S-pgdn" },
.{ "select_page_up", "S-pgup" },
.{ "select_right", "S-right" },
.{ "select_scroll_down", "C-S-down" },
.{ "select_scroll_up", "C-S-up" },
.{ "change_theme", "C-k C-t" },
.{ "select_up", "S-up" },
.{ "select_word_left", "C-S-left" },
.{ "select_word_right", "C-S-right" },
.{ "show_diagnostics", "C-S-m" },
.{ "smart_insert_line_after", "C-enter" },
.{ "smart_insert_line_before", "S-enter, C-S-enter" },
.{ "smart_insert_line", "enter" },
.{ "smart_move_begin", "home" },
.{ "smart_select_begin", "S-home" },
.{ "system_paste", "C-v" },
.{ "theme_next", "F10" },
.{ "theme_prev", "F9" },
.{ "toggle_comment", "C-/" },
.{ "toggle_input_mode", "F2" },
.{ "toggle_inputview", "A-i" },
.{ "toggle_inspector_view", "F5, C-F5, C-S-i" },
.{ "toggle_panel", "C-j, F11" },
.{ "toggle_whitespace", "C-F10" },
.{ "to_lower", "A-l" },
.{ "to_upper", "A-u" },
.{ "undo", "C-z" },
.{ "unindent", "S-tab" },
});