conf: move html_filter to PagerSettings

html_filter was in Account settings, but it makes more sense for it to
be in PagerSettings

meli.conf.5

@@ -70,6 +70,7 @@ identity="username@hostname.local"
 
 [pager]
 filter = "/usr/bin/pygmentize"
+html_filter = "w3m -I utf-8 -T text/html"
 
 [notifications]
 script = "notify-send"
@@ -113,8 +114,6 @@ shows one row per thread
 .It Cm display_name Ar String
 (optional) a name which can be combined with your address:
 "Name <email@address.tld>"
-.It Cm html_filter Ar String
-(optional) pipe html attachments through this filter before display
 .It Cm read_only Ar boolean
 attempt to not make any changes to this account.
 .Pq Em false
@@ -273,6 +272,10 @@ enable freedesktop-spec notifications. this is usually what you want
 (optional) always show headers when scrolling.
 .\" default value
 .Pq Em false
+.It Cm html_filter Ar String
+(optional) pipe html attachments through this filter before display
+.\" default value
+.Pq Em none
 .It Cm filter Ar String
 (optional) a command to pipe mail output through for viewing in pager.
 .\" default value

ui/src/components/mail/view.rs

@@ -134,9 +134,9 @@ impl MailView {
             Some(Box::new(move |a: &'closure Attachment, v: &mut Vec<u8>| {
                 if a.content_type().is_text_html() {
                     use std::io::Write;
-                    let settings = context.accounts[self.coordinates.0].runtime_settings.conf();
+                    let settings = &context.settings;
                     /* FIXME: duplication with view/html.rs */
-                    if let Some(filter_invocation) = settings.html_filter() {
+                    if let Some(filter_invocation) = settings.pager.html_filter.as_ref() {
                         let parts = split_command!(filter_invocation);
                         let (cmd, args) = (parts[0], &parts[1..]);
                         let command_obj = Command::new(cmd)
@@ -576,16 +576,11 @@ impl Component for MailView {
                 ViewMode::Attachment(aidx) if body.attachments()[aidx].is_html() => {
                     self.pager = None;
                     let attachment = &body.attachments()[aidx];
-                    self.subview = Some(Box::new(HtmlView::new(
-                        &attachment,
-                        context,
-                        self.coordinates.0,
-                    )));
+                    self.subview = Some(Box::new(HtmlView::new(&attachment, context)));
                     self.mode = ViewMode::Subview;
                 }
                 ViewMode::Normal if body.is_html() => {
-                    self.subview =
-                        Some(Box::new(HtmlView::new(&body, context, self.coordinates.0)));
+                    self.subview = Some(Box::new(HtmlView::new(&body, context)));
                     self.pager = None;
                     self.mode = ViewMode::Subview;
                 }

ui/src/components/mail/view/envelope.rs

@@ -96,8 +96,8 @@ impl EnvelopeView {
             Some(Box::new(|a: &Attachment, v: &mut Vec<u8>| {
                 if a.content_type().is_text_html() {
                     use std::io::Write;
-                    let settings = context.accounts[self.account_pos].runtime_settings.conf();
-                    if let Some(filter_invocation) = settings.html_filter() {
+                    let settings = &context.settings;
+                    if let Some(filter_invocation) = settings.pager.html_filter.as_ref() {
                         let parts = split_command!(filter_invocation);
                         let (cmd, args) = (parts[0], &parts[1..]);
                         let command_obj = Command::new(cmd)
@@ -319,14 +319,10 @@ impl Component for EnvelopeView {
             match self.mode {
                 ViewMode::Attachment(aidx) if body.attachments()[aidx].is_html() => {
                     let attachment = &body.attachments()[aidx];
-                    self.subview = Some(Box::new(HtmlView::new(
-                        &attachment,
-                        context,
-                        self.account_pos,
-                    )));
+                    self.subview = Some(Box::new(HtmlView::new(&attachment, context)));
                 }
                 ViewMode::Normal if body.is_html() => {
-                    self.subview = Some(Box::new(HtmlView::new(&body, context, self.account_pos)));
+                    self.subview = Some(Box::new(HtmlView::new(&body, context)));
                     self.mode = ViewMode::Subview;
                 }
                 _ => {

ui/src/components/mail/view/html.rs

@@ -31,12 +31,13 @@ pub struct HtmlView {
 }
 
 impl HtmlView {
-    pub fn new(body: &Attachment, context: &mut Context, account_pos: usize) -> Self {
+    pub fn new(body: &Attachment, context: &mut Context) -> Self {
         let id = ComponentId::new_v4();
         let bytes: Vec<u8> = decode_rec(body, None);
 
-        let settings = context.accounts[account_pos].runtime_settings.conf();
-        let mut display_text = if let Some(filter_invocation) = settings.html_filter() {
+        let settings = &context.settings;
+        let mut display_text = if let Some(filter_invocation) = settings.pager.html_filter.as_ref()
+        {
             let parts = split_command!(filter_invocation);
             let (cmd, args) = (parts[0], &parts[1..]);
             let command_obj = Command::new(cmd)

ui/src/conf.rs

@@ -157,11 +157,6 @@ pub struct FileAccount {
     display_name: Option<String>,
     index_style: IndexStyle,
 
-    /// A command to pipe html output before displaying it in a pager
-    /// Default: None
-    #[serde(default = "none", deserialize_with = "non_empty_string")]
-    html_filter: Option<String>,
-
     #[serde(default = "false_val")]
     read_only: bool,
     subscribed_folders: Vec<String>,
@@ -268,10 +263,6 @@ impl FileAccount {
     pub fn index_style(&self) -> IndexStyle {
         self.index_style
     }
-
-    pub fn html_filter(&self) -> Option<&str> {
-        self.html_filter.as_ref().map(String::as_str)
-    }
 }
 
 #[derive(Debug, Clone, Default, Serialize, Deserialize)]
@@ -421,18 +412,6 @@ impl Default for IndexStyle {
     }
 }
 
-fn non_empty_string<'de, D>(deserializer: D) -> std::result::Result<Option<String>, D::Error>
-where
-    D: Deserializer<'de>,
-{
-    let s = <String>::deserialize(deserializer)?;
-    if s.is_empty() {
-        Ok(None)
-    } else {
-        Ok(Some(s))
-    }
-}
-
 fn toggleflag_de<'de, D>(deserializer: D) -> std::result::Result<ToggleFlag, D::Error>
 where
     D: Deserializer<'de>,
@@ -488,6 +467,23 @@ mod default_vals {
     }
 }
 
+mod deserializers {
+    use serde::{Deserialize, Deserializer};
+    pub(in crate::conf) fn non_empty_string<'de, D>(
+        deserializer: D,
+    ) -> std::result::Result<Option<String>, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let s = <String>::deserialize(deserializer)?;
+        if s.is_empty() {
+            Ok(None)
+        } else {
+            Ok(Some(s))
+        }
+    }
+}
+
 impl<'de> Deserialize<'de> for IndexStyle {
     fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
     where

ui/src/conf/pager.rs

@@ -20,6 +20,7 @@
  */
 
 use super::default_vals::*;
+use super::deserializers::*;
 /// Settings for the pager function.
 #[derive(Debug, Deserialize, Clone, Default, Serialize)]
 pub struct PagerSettings {
@@ -45,9 +46,14 @@ pub struct PagerSettings {
 
     /// A command to pipe mail output through for viewing in pager.
     /// Default: None
-    #[serde(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")]