flow/src/tui/mode/helix.zig
2025-04-03 06:13:05 +02:00

96 lines
3.3 KiB
Zig

const std = @import("std");
const log = @import("log");
const location_history = @import("location_history");
const command = @import("command");
const cmd = command.executeName;
const tui = @import("../tui.zig");
const Editor = @import("../editor.zig").Editor;
var commands: Commands = undefined;
pub fn init() !void {
var v: void = {};
try commands.init(&v);
}
pub fn deinit() void {
commands.deinit();
}
const Commands = command.Collection(cmds_);
const cmds_ = struct {
pub const Target = void;
const Ctx = command.Context;
const Meta = command.Metadata;
const Result = command.Result;
pub fn w(_: *void, _: Ctx) Result {
try cmd("save_file", .{});
}
pub const w_meta: Meta = .{ .description = "w (write/save file)" };
pub fn q(_: *void, _: Ctx) Result {
try cmd("quit", .{});
}
pub const q_meta: Meta = .{ .description = "q (quit)" };
pub fn @"q!"(_: *void, _: Ctx) Result {
try cmd("quit_without_saving", .{});
}
pub const @"q!_meta": Meta = .{ .description = "q! (quit without saving)" };
pub fn wq(_: *void, _: Ctx) Result {
try cmd("save_file", command.fmt(.{ "then", .{ "quit", .{} } }));
}
pub const wq_meta: Meta = .{ .description = "wq (write/save file and quit)" };
pub fn o(_: *void, _: Ctx) Result {
try cmd("open_file", .{});
}
pub const o_meta: Meta = .{ .description = "o (open file)" };
pub fn @"wq!"(_: *void, _: Ctx) Result {
cmd("save_file", .{}) catch {};
try cmd("quit_without_saving", .{});
}
pub const @"wq!_meta": Meta = .{ .description = "wq! (write/save file and quit without saving)" };
pub fn save_selection(_: *void, _: Ctx) Result {
const logger = log.logger("helix-mode");
defer logger.deinit();
logger.print("saved location", .{});
const mv = tui.mainview() orelse return;
const file_path = mv.get_active_file_path() orelse return;
const primary = (mv.get_active_editor() orelse return).get_primary();
const sel: ?location_history.Selection = if (primary.selection) |sel| .{
.begin = .{ .row = sel.begin.row, .col = sel.begin.col },
.end = .{ .row = sel.end.row, .col = sel.end.col },
} else null;
mv.location_history_.update(file_path, .{
.row = primary.cursor.row + 1,
.col = primary.cursor.col + 1,
}, sel);
}
pub const save_selection_meta: Meta = .{ .description = "Save current selection to location history" };
pub fn extend_line_below(_: *void, _: Ctx) Result {
const mv = tui.mainview() orelse return;
const ed = mv.get_active_editor() orelse return;
const root = try ed.buf_root();
for (ed.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
const sel = cursel.enable_selection_normal();
sel.normalize();
try Editor.move_cursor_begin(root, &sel.begin, ed.metrics);
try Editor.move_cursor_end(root, &sel.end, ed.metrics);
cursel.cursor = sel.end;
try cursel.selection.?.end.move_right(root, ed.metrics);
try cursel.cursor.move_right(root, ed.metrics);
};
ed.clamp();
}
pub const extend_line_below_meta: Meta = .{ .description = "Select current line, if already selected, extend to next line" };
};