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* meli - pager conf module
* Copyright 2018 Manos Pitsidianakis
* This file is part of meli.
* meli is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* meli is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with meli. If not, see <>.
//! Settings for the pager function.
use super::default_vals::*;
use super::deserializers::*;
use melib::ToggleFlag;
/// Settings for the pager function.
#[derive(Debug, Deserialize, Clone, Default, Serialize)]
pub struct PagerSettings {
/// Number of context lines when going to next page.
/// Default: 0
#[serde(default = "zero_val")]
pub pager_context: usize,
/// Stop at the end instead of displaying next mail.
/// Default: false
#[serde(default = "false_val")]
pub pager_stop: bool,
/// Always show headers when scrolling.
/// Default: true
#[serde(default = "true_val")]
pub headers_sticky: bool,
/// The height of the pager in mail view, in percent.
/// Default: 80
#[serde(default = "eighty_percent")]
pub pager_ratio: usize,
/// A command to pipe mail output through for viewing in pager.
/// Default: None
#[serde(default = "none", deserialize_with = "non_empty_string")]
pub filter: Option<String>,
/// A command to pipe html output before displaying it in a pager
/// Default: None
#[serde(default = "none", deserialize_with = "non_empty_string")]
pub html_filter: Option<String>,
/// Respect "format=flowed"
/// Default: true
#[serde(default = "true_val")]
pub format_flowed: bool,
/// Split long lines that would overflow on the x axis.
/// Default: true
#[serde(default = "true_val")]
pub split_long_lines: bool,
/// Minimum text width in columns.
/// Default: 80
#[serde(default = "eighty_val")]
pub minimum_width: usize,
/// Choose `text/html` alternative if `text/plain` is empty in `multipart/alternative`
/// attachments.
/// Default: true
#[serde(default = "internal_value_true")]
pub auto_choose_multipart_alternative: ToggleFlag,
fn eighty_val() -> usize {