tiny.windowing.ClipboardCapacity

1pub const Capacity = struct {2    received_text_byte_count: usize,3    published_text_byte_count: usize,4    transfer_read_byte_count: usize,5    retained_wait_event_count: usize,6    x11_property_long_count: u32,7    transfer_read_bytes: usize,8    retained_wait_event_bytes: usize,9    maximum_backend_working_storage_bytes: usize,1011    pub fn derive(limits: Limits) CapacityError!Capacity {12        if (limits.received_text_byte_count == 0) return error.ReceivedTextEmpty;13        if (limits.received_text_byte_count > std.math.maxInt(u32)) {14            return error.ReceivedTextTooLarge;15        }16        if (limits.published_text_byte_count == 0) return error.PublishedTextEmpty;17        if (limits.transfer_read_byte_count == 0) return error.TransferReadStorageEmpty;18        if (limits.retained_wait_event_count == 0) return error.WaitEventStorageEmpty;19        const x11_property_long_count: u32 = @intCast(20            limits.received_text_byte_count / 4 +21                @intFromBool(limits.received_text_byte_count % 4 != 0),22        );23        const retained_wait_event_bytes = std.math.mul(24            usize,25            limits.retained_wait_event_count,26            x11_message_bytes,27        ) catch return error.CapacityOverflow;28        const maximum_backend_working_storage_bytes = @max(29            limits.transfer_read_byte_count,30            retained_wait_event_bytes,31        );32        return .{33            .received_text_byte_count = limits.received_text_byte_count,34            .published_text_byte_count = limits.published_text_byte_count,35            .transfer_read_byte_count = limits.transfer_read_byte_count,36            .retained_wait_event_count = limits.retained_wait_event_count,37            .x11_property_long_count = x11_property_long_count,38            .transfer_read_bytes = limits.transfer_read_byte_count,39            .retained_wait_event_bytes = retained_wait_event_bytes,40            .maximum_backend_working_storage_bytes = maximum_backend_working_storage_bytes,41        };42    }43};

1pub const ClipboardCapacity = clipboard_module.Capacity;