flow/src/tui/mode/overlay/clipboard_palette.zig

108 lines
4.1 KiB
Zig

const std = @import("std");
const cbor = @import("cbor");
const tp = @import("thespian");
const root = @import("soft_root").root;
const command = @import("command");
const tui = @import("../../tui.zig");
pub const Type = @import("palette.zig").Create(@This());
const module_name = @typeName(@This());
pub const label = "Clipboard history";
pub const name = " clipboard";
pub const description = "clipboard";
pub const icon = "";
pub const Entry = struct {
label: []const u8,
idx: usize,
group: usize,
};
pub fn load_entries(palette: *Type) !usize {
const history = tui.clipboard_get_history() orelse &.{};
if (history.len > 0) {
var idx = history.len - 1;
while (true) : (idx -= 1) {
const entry = &history[idx];
var label_ = entry.text;
while (label_.len > 0) switch (label_[0]) {
' ', '\t', '\n' => label_ = label_[1..],
else => break,
};
(try palette.entries.addOne(palette.allocator)).* = .{
.label = label_,
.idx = idx,
.group = entry.group,
};
if (idx == 0) break;
}
}
return if (palette.entries.items.len == 0) label.len + 3 else 10;
}
pub fn clear_entries(palette: *Type) void {
palette.entries.clearRetainingCapacity();
}
pub fn add_menu_entry(palette: *Type, entry: *Entry, matches: ?[]const usize) !void {
var value: std.Io.Writer.Allocating = .init(palette.allocator);
defer value.deinit();
const writer = &value.writer;
try cbor.writeValue(writer, entry.label);
var hint: std.Io.Writer.Allocating = .init(palette.allocator);
defer hint.deinit();
const clipboard_ = tui.clipboard_get_history();
const clipboard = clipboard_ orelse &.{};
const clipboard_entry: tui.ClipboardEntry = if (clipboard_) |_| clipboard[entry.idx] else .{};
const group_idx = tui.clipboard_current_group() - clipboard_entry.group;
const item = clipboard_entry.text;
var line_count: usize = 1;
for (0..item.len) |i| if (item[i] == '\n') {
line_count += 1;
};
if (line_count > 1)
try hint.writer.print(" {d} lines", .{line_count})
else
try hint.writer.print(" {d} {s}", .{ item.len, if (item.len == 1) "byte " else "bytes" });
try hint.writer.print(":{d}", .{group_idx});
try cbor.writeValue(writer, hint.written());
try cbor.writeValue(writer, matches orelse &[_]usize{});
try cbor.writeValue(writer, entry.idx);
try palette.menu.add_item_with_handler(value.written(), select);
palette.items += 1;
}
fn select(menu: **Type.MenuType, button: *Type.ButtonType, _: Type.Pos) void {
var unused: []const u8 = undefined;
var idx: usize = undefined;
var iter = button.opts.label;
if (!(cbor.matchString(&iter, &unused) catch false)) return;
if (!(cbor.matchString(&iter, &unused) catch false)) return;
var len = cbor.decodeArrayHeader(&iter) catch return;
while (len > 0) : (len -= 1)
cbor.skipValue(&iter) catch return;
if (!(cbor.matchValue(&iter, cbor.extract(&idx)) catch false)) return;
tp.self_pid().send(.{ "cmd", "exit_overlay_mode" }) catch |e| menu.*.opts.ctx.logger.err("clipboard_palette", e);
const history = tui.clipboard_get_history() orelse return;
if (history.len <= idx) return;
tp.self_pid().send(.{ "cmd", "paste", .{history[idx].text} }) catch {};
}
pub fn delete_item(menu: *Type.MenuType, button: *Type.ButtonType) bool {
var unused: []const u8 = undefined;
var idx: usize = undefined;
var iter = button.opts.label;
if (!(cbor.matchString(&iter, &unused) catch false)) return false;
if (!(cbor.matchString(&iter, &unused) catch false)) return false;
var len = cbor.decodeArrayHeader(&iter) catch return false;
while (len > 0) : (len -= 1)
cbor.skipValue(&iter) catch return false;
if (!(cbor.matchValue(&iter, cbor.extract(&idx)) catch false)) return false;
command.executeName("clipboard_delete", command.fmt(.{idx})) catch |e| menu.*.opts.ctx.logger.err(module_name, e);
return true; //refresh list
}