fix media preview config loading

src/config.rs

@@ -159,19 +159,8 @@ impl Config {
                 Ok(("media_mute", "on")) => config.media_mute = true,
                 Ok(("media_mute", "off")) => config.media_mute = false,
                 Ok(("media_previewer", cmd)) => {
-                    use crate::minibuffer::find_bins;
-
                     let cmd = cmd.to_string();
                     config.media_previewer = cmd;
-
-                    let previewer = std::path::Path::new(&config.media_previewer);
-                    let exists = match previewer.is_absolute() {
-                        true => previewer.exists(),
-                        false => find_bins(&config.media_previewer).is_ok()
-                    };
-
-                    config.media_previewer_exists = exists;
-
                 },
                 Ok(("ratios", ratios)) => {
                     let ratios_str = ratios.to_string();
@@ -200,6 +189,12 @@ impl Config {
                     "auto")) => config.graphics = detect_g_mode(),
                 _ => { HError::config_error::<Config>(line.to_string()).log(); }
             }
+
+            #[cfg(feature = "img")]
+            match has_media_previewer(&config.media_previewer) {
+                t @ _ => config.media_previewer_exists = t
+            }
+
             config
         });
 
@@ -245,3 +240,12 @@ fn detect_g_mode() -> String {
         _ => "unicode"
     }.to_string()
 }
+
+fn has_media_previewer(name: &str) -> bool {
+    use crate::minibuffer::find_bins;
+    let previewer = std::path::Path::new(name);
+    match previewer.is_absolute() {
+        true => previewer.exists(),
+        false => find_bins(name).is_ok()
+    }
+}

src/file_browser.rs

@@ -212,7 +212,6 @@ impl Tabbable for TabView<FileBrowser> {
                         .map(|mut w| {
                             w.content.show_hidden = show_hidden;
                             w.content.dirty_meta.set_dirty();
-                            w.content.sort();
                             w.refresh().log();
                         }).ok();
                     Ok(())

src/preview.rs

@@ -11,7 +11,6 @@ use crate::textview::TextView;
 use crate::widget::{Widget, WidgetCore};
 use crate::coordinates::Coordinates;
 use crate::fail::{HResult, HError, ErrorLog};
-use crate::dirty::Dirtyable;
 use crate::imgview::ImgView;
 use crate::mediaview::MediaView;
 
@@ -354,7 +353,6 @@ impl Previewer {
         let core = self.core.clone();
         let cache = self.cache.clone();
         let animator = self.animator.clone();
-        let has_media = self.core.config().media_available();
 
         if same_dir {
             self.animator.set_fresh().ok();
@@ -386,6 +384,7 @@ impl Previewer {
                 if let Some(mime) = file.get_mime() {
                     let mime_type = mime.type_().as_str();
                     let is_gif = mime.subtype() == "gif";
+                    let has_media = core.config().media_available();
 
                     match mime_type {
                         _ if mime_type == "video" || is_gif && has_media => {
@@ -436,7 +435,6 @@ impl Previewer {
 
     pub fn reload(&mut self) {
         if let Some(file) = self.file.take() {
-            self.file = None;
             self.set_file(&file).log();
         }
     }
@@ -583,11 +581,25 @@ impl Widget for Previewer {
     }
 
     fn config_loaded(&mut self) -> HResult<()> {
-        let show_hidden = self.core.config().show_hidden();
-        if let PreviewWidget::FileList(filelist) = self.widget.widget_mut()? {
-            filelist.content.show_hidden = show_hidden;
-            filelist.content.dirty_meta.set_dirty();
+        use PreviewWidget::*;
+
+        let show_hidden = self.core
+                              .config()
+                              .show_hidden();
+
+        match self.widget.widget_mut() {
+            Ok(FileList(filelist)) => {
+                let setting = filelist.content.show_hidden;
+
+                if setting != show_hidden {
+                    self.reload();
+                }
+
+            }
+            Ok(_) => {},
+            Err(_) => self.reload(),
         }
+
         Ok(())
     }