fix calculation of the number of shown files in a directory

2 files changed, 20 insertions, 14 deletions

diff --git a/src/file_browser.rs b/src/file_browser.rs
index 0d31be4..1647090 100644
--- a/src/file_browser.rs
+++ b/src/file_browser.rs
@@ -197,10 +197,13 @@ impl Tabbable for TabView<FileBrowser> {
             tab.left_async_widget_mut().map(|async_w| {
                 async_w.widget.on_ready(move |mut w, _| {
                     w.as_mut()
-                        .map(|mut w| {
-                            w.content.show_hidden = show_hidden;
-                            w.refresh().log();
-                        }).ok();
+                     .map(|mut w| {
+                         if w.content.show_hidden != show_hidden {
+                             w.content.show_hidden = show_hidden;
+                             w.content.recalculate_len();
+                             w.refresh().log();
+                         }
+                     }).ok();
                     Ok(())
                 }).log();
             }).log();
@@ -208,10 +211,13 @@ impl Tabbable for TabView<FileBrowser> {
             tab.main_async_widget_mut().map(|async_w| {
                 async_w.widget.on_ready(move |mut w, _| {
                     w.as_mut()
-                        .map(|mut w| {
-                            w.content.show_hidden = show_hidden;
-                            w.refresh().log();
-                        }).ok();
+                     .map(|mut w| {
+                         if w.content.show_hidden != show_hidden {
+                             w.content.show_hidden = show_hidden;
+                             w.content.recalculate_len();
+                             w.refresh().log();
+                         }
+                     }).ok();
                     Ok(())
                 }).log()
             }).log();
diff --git a/src/files.rs b/src/files.rs
index 78741c1..6e800dd 100644
--- a/src/files.rs
+++ b/src/files.rs
@@ -288,7 +288,7 @@ impl Default for Files {
             sort: SortBy::Name,
             dirs_first: true,
             reverse: false,
-            show_hidden: true,
+            show_hidden: false,
             filter: None,
             filter_selected: false,
             dirty: DirtyBit::new(),
@@ -350,24 +350,24 @@ impl Files {
             })?;
         }
 
-        let len = files.len();
-
-        let files = Files {
+        let mut files = Files {
             directory: File::new_from_path(&path, None)?,
             files: files,
-            len: len,
+            len: 0,
             pending_events: Arc::new(RwLock::new(vec![])),
             refresh: None,
             meta_upto: None,
             sort: SortBy::Name,
             dirs_first: true,
             reverse: false,
-            show_hidden: true,
+            show_hidden: false,
             filter: None,
             filter_selected: false,
             dirty: dirty,
         };
 
+        files.recalculate_len();
+
         Ok(files)
     }