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-rw-r--r--README.md1
-rw-r--r--doc/ranger.pod11
-rw-r--r--ranger/config/rc.conf8
-rw-r--r--ranger/container/settings.py3
-rw-r--r--ranger/core/actions.py8
-rw-r--r--ranger/ext/img_display.py10
-rw-r--r--ranger/gui/widgets/browsercolumn.py16
7 files changed, 53 insertions, 4 deletions
diff --git a/README.md b/README.md
index 8abb7265..e14bab46 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,7 @@ Optional:
 * The python module `chardet`, in case of encoding detection problems
 * `sudo` to use the "run as root"-feature
 * `w3m` for the `w3mimgdisplay` program to preview images
+* `python-bidi` for correct display of RTL file names (Hebrew, Arabic)
 
 Optional, for enhanced file previews (with `scope.sh`):
 
diff --git a/doc/ranger.pod b/doc/ranger.pod
index b262ad44..24df0fc9 100644
--- a/doc/ranger.pod
+++ b/doc/ranger.pod
@@ -1000,6 +1000,12 @@ Abbreviate $HOME with ~ in the titlebar (first line) of ranger?
 
 Use a unicode "..." character instead of "~" to mark cut-off filenames?
 
+=item bidi_support [bool]
+
+Try to properly display file names in RTL languages (Hebrew, Arabic) by using
+a BIDI algorithm to reverse the relevant parts of the text.
+Requires the python-bidi pip package.
+
 =item update_title [bool]
 
 Set a window title?
@@ -1030,6 +1036,11 @@ Sets the view mode, which can be B<miller> to display the files in the
 traditional miller column view that shows multiple levels of the hierarchy, or
 B<multipane> to use multiple panes (one per tab) similar to midnight-commander.
 
+=item w3m_delay [float]
+
+Delay in seconds before displaying an image with the w3m method.
+Increase it in case of experiencing display corruption.
+
 =item wrap_scroll [bool]
 
 Enable scroll wrapping - moving down while on the last item will wrap around to
diff --git a/ranger/config/rc.conf b/ranger/config/rc.conf
index 5317dff5..37a570b5 100644
--- a/ranger/config/rc.conf
+++ b/ranger/config/rc.conf
@@ -108,6 +108,10 @@ set preview_images false
 #   Tmux is unsupported.
 set preview_images_method w3m
 
+# Delay in seconds before displaying an image with the w3m method.
+# Increase it in case of experiencing display corruption.
+set w3m_delay 0.02
+
 # Default iTerm2 font size (see: preview_images_method: iterm2)
 set iterm2_font_width 8
 set iterm2_font_height 11
@@ -115,6 +119,10 @@ set iterm2_font_height 11
 # Use a unicode "..." character to mark cut-off filenames?
 set unicode_ellipsis false
 
+# BIDI support - try to properly display file names in RTL languages (Hebrew, Arabic).
+# Requires the python-bidi pip package
+set bidi_support false
+
 # Show dotfiles in the bookmark preview box?
 set show_hidden_bookmarks true
 
diff --git a/ranger/container/settings.py b/ranger/container/settings.py
index b9695301..9002fded 100644
--- a/ranger/container/settings.py
+++ b/ranger/container/settings.py
@@ -27,6 +27,7 @@ ALLOWED_SETTINGS = {
     'automatically_count_files': bool,
     'autosave_bookmarks': bool,
     'autoupdate_cumulative_size': bool,
+    'bidi_support': bool,
     'cd_bookmarks': bool,
     'cd_tab_case': str,
     'cd_tab_fuzzy': bool,
@@ -91,6 +92,7 @@ ALLOWED_SETTINGS = {
     'vcs_backend_hg': str,
     'vcs_backend_svn': str,
     'viewmode': str,
+    'w3m_delay': float,
     'wrap_scroll': bool,
     'xterm_alt_key': bool,
 }
@@ -114,6 +116,7 @@ DEFAULT_VALUES = {
     type(None): None,
     str: "",
     int: 0,
+    float: 0.0,
     list: [],
     tuple: tuple([]),
 }
diff --git a/ranger/core/actions.py b/ranger/core/actions.py
index e8c47b9f..ae8e33d4 100644
--- a/ranger/core/actions.py
+++ b/ranger/core/actions.py
@@ -110,7 +110,8 @@ class Actions(  # pylint: disable=too-many-instance-attributes,too-many-public-m
         self.settings.set(option_name, self._parse_option_value(option_name, value),
                           localpath, tags)
 
-    def _parse_option_value(self, name, value):
+    def _parse_option_value(  # pylint: disable=too-many-return-statements
+            self, name, value):
         types = self.fm.settings.types_of(name)
         if bool in types:
             if value.lower() in ('false', 'off', '0'):
@@ -124,6 +125,11 @@ class Actions(  # pylint: disable=too-many-instance-attributes,too-many-public-m
                 return int(value)
             except ValueError:
                 pass
+        if float in types:
+            try:
+                return float(value)
+            except ValueError:
+                pass
         if str in types:
             return value
         if list in types:
diff --git a/ranger/ext/img_display.py b/ranger/ext/img_display.py
index ba2f6f4d..f78e170b 100644
--- a/ranger/ext/img_display.py
+++ b/ranger/ext/img_display.py
@@ -86,7 +86,7 @@ class ImageDisplayer(object):
         pass
 
 
-class W3MImageDisplayer(ImageDisplayer):
+class W3MImageDisplayer(ImageDisplayer, FileManagerAware):
     """Implementation of ImageDisplayer using w3mimgdisplay, an utilitary
     program from w3m (a text-based web browser). w3mimgdisplay can display
     images either in virtual tty (using linux framebuffer) or in a Xorg session.
@@ -145,6 +145,14 @@ class W3MImageDisplayer(ImageDisplayer):
             input_gen = self._generate_w3m_input(path, start_x, start_y, width, height)
         except ImageDisplayError:
             raise
+
+        # Mitigate the issue with the horizontal black bars when
+        # selecting some images on some systems. 2 milliseconds seems
+        # enough. Adjust as necessary.
+        if self.fm.settings.w3m_delay > 0:
+            from time import sleep
+            sleep(self.fm.settings.w3m_delay)
+
         self.process.stdin.write(input_gen)
         self.process.stdin.flush()
         self.process.stdout.readline()
diff --git a/ranger/gui/widgets/browsercolumn.py b/ranger/gui/widgets/browsercolumn.py
index cf322409..f85e1646 100644
--- a/ranger/gui/widgets/browsercolumn.py
+++ b/ranger/gui/widgets/browsercolumn.py
@@ -10,6 +10,12 @@ import stat
 from time import time
 from os.path import splitext
 
+try:
+    from bidi.algorithm import get_display  # pylint: disable=import-error
+    HAVE_BIDI = True
+except ImportError:
+    HAVE_BIDI = False
+
 from ranger.ext.widestring import WideString
 from ranger.core import linemode
 
@@ -410,9 +416,15 @@ class BrowserColumn(Pager):  # pylint: disable=too-many-instance-attributes
     def _total_len(predisplay):
         return sum([len(WideString(s)) for s, _ in predisplay])
 
+    def _bidi_transpose(self, text):
+        if self.settings.bidi_support and HAVE_BIDI:
+            return get_display(text)
+        return text
+
     def _draw_text_display(self, text, space):
-        wtext = WideString(text)
-        wext = WideString(splitext(text)[1])
+        bidi_text = self._bidi_transpose(text)
+        wtext = WideString(bidi_text)
+        wext = WideString(splitext(bidi_text)[1])
         wellip = WideString(self.ellipsis[self.settings.unicode_ellipsis])
         if len(wtext) > space:
             wtext = wtext[:max(1, space - len(wext) - len(wellip))] + wellip + wext